:root{--ff-reader-serif:"Spectral", Georgia, serif;--ff-reader-body:"IBM Plex Sans", system-ui, -apple-system, sans-serif;--ff-devanagari:"IBM Plex Sans Devanagari", "IBM Plex Sans", sans-serif;--body-ink:#2a251e;--r-col:760px;--r-rail:212px;--r-pad:28px;--r-gap:30px;--r-section-gap:64px}.tone-violet{--s:#ede9fe;--b:#c4b5fd;--i:#1e1b4b;--a:#5b21b6}.tone-amber{--s:#fef3c7;--b:#fcd34d;--i:#422006;--a:#92400e}.tone-emerald{--s:#dcfce7;--b:#86efac;--i:#052e16;--a:#166534}.tone-sky{--s:#e0f2fe;--b:#7dd3fc;--i:#082f49;--a:#0369a1}.tone-rose{--s:#ffe4e6;--b:#fca5a5;--i:#4c0519;--a:#be123c}.tone-indigo{--s:#e0e7ff;--b:#a5b4fc;--i:#1e1b4b;--a:#4338ca}html[data-theme=dark]{--body-ink:#e7dfd2}html[data-theme=dark] .tone-violet{--s:#251f38;--b:#4a3d70;--i:#d6ccf0;--a:#b9a6ed}html[data-theme=dark] .tone-amber{--s:#34290f;--b:#5e4a1c;--i:#f0d79a;--a:#e2b765}html[data-theme=dark] .tone-emerald{--s:#1a3025;--b:#356048;--i:#b8e6cb;--a:#5cc088}html[data-theme=dark] .tone-sky{--s:#142533;--b:#2d4d68;--i:#acd4f0;--a:#5ba0d8}html[data-theme=dark] .tone-rose{--s:#341820;--b:#5e2e3c;--i:#f0aebd;--a:#e06e84}html[data-theme=dark] .tone-indigo{--s:#1e2040;--b:#3a3d6e;--i:#b8bdf0;--a:#8a90e0}.reader-swap{z-index:3;background:var(--paper);position:absolute;inset:0}.reader-layer{z-index:3;opacity:0;transition:opacity 0s linear .3s;position:absolute;inset:0}.reader-layer.is-active{opacity:1;z-index:4;transition:opacity .3s}@media (prefers-reduced-motion:reduce){.reader-layer,.reader-layer.is-active{transition:none}}.reader{z-index:3;font-family:var(--ff-reader-body);color:var(--ink);background:linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);flex-direction:column;animation:.3s reader-in;display:flex;position:absolute;inset:0}@keyframes reader-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.reader__bar{z-index:5;flex:none;position:sticky;top:0}.reader__chrome{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule);background:#fffdf6f2;align-items:center;gap:14px;padding:12px 20px;display:flex}html[data-theme=dark] .reader__chrome{background:#1a1713eb}.reader__iconbtn{background:var(--surface-2);width:38px;height:38px;color:var(--ink);cursor:pointer;border:0;border-radius:50%;flex:none;place-items:center;font-size:18px;font-weight:700;transition:background .15s;display:grid}.reader__iconbtn:hover{background:var(--paper-edge)}.reader__iconbtn.is-on{color:var(--emerald);background:var(--emerald-soft)}.reader__narrate{background:var(--surface-2);height:38px;color:var(--ink);cursor:pointer;border:0;border-radius:999px;flex:none;align-items:center;gap:6px;padding:0 13px;font-size:13px;font-weight:700;transition:background .15s,color .15s;display:inline-flex}.reader__narrate:hover{background:var(--paper-edge)}.reader__narrate.is-on{background:var(--emerald-soft);color:var(--emerald-deep)}.reader__narrate svg{flex:none;display:block}.reader__narrate-label{white-space:nowrap}@media (width<=720px){.reader__narrate-label{display:none}}.reader__title{min-width:0;font-family:var(--ff-reader-serif);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:22px;font-weight:700;overflow:hidden}.reader__body{flex:1;min-height:0;display:flex}.reader__rail{flex:0 0 var(--r-rail);width:var(--r-rail);border-right:1px solid var(--rule);padding:16px 10px;transition:width .22s,flex-basis .22s,opacity .18s;overflow-y:auto}.reader__body.rail-collapsed .reader__rail{opacity:0;pointer-events:none;border-right:none;flex-basis:0;width:0;padding-left:0;padding-right:0;overflow:hidden}.reader__railtoggle{background:var(--surface-2);width:38px;height:38px;color:var(--ink);cursor:pointer;border:0;border-radius:50%;flex:none;place-items:center;transition:background .15s;display:grid}.reader__railtoggle:hover{background:var(--paper-edge)}.reader__railtoggle svg{width:18px;height:18px}.reader__rail-h{letter-spacing:.16em;color:var(--ink-faint);padding:0 10px 10px;font-size:10px;font-weight:900}.reader__rail-item{text-align:left;cursor:pointer;width:100%;color:var(--ink-soft);background:0 0;border:0;border-radius:10px;align-items:flex-start;gap:8px;margin-bottom:2px;padding:10px;transition:background .15s;display:flex}.reader__rail-item:hover{background:var(--surface-2)}.reader__rail-item.is-active{background:var(--emerald-soft)}.reader__rail-num{font-family:var(--ff-reader-serif);color:var(--ink-faint);flex:0 0 30px;font-size:13px;font-weight:700}.reader__rail-item.is-active .reader__rail-num{color:var(--emerald)}.reader__rail-text{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;font-weight:600;line-height:17px;display:-webkit-box;overflow:hidden}.reader__rail-item.is-active .reader__rail-text{color:var(--ink);font-weight:700}.reader__rail-item.is-unnumbered{padding-left:38px}.reader__rail-caret{color:var(--ink-faint);flex:none;align-items:center;margin-left:auto;transition:transform .16s;display:inline-flex}.reader__rail-caret svg{width:16px;height:16px}.reader__rail-item.is-open .reader__rail-caret{transform:rotate(90deg)}.reader__rail-item.is-open .reader__rail-text{color:var(--ink);font-weight:700}.reader__rail-sub{text-align:left;cursor:pointer;width:100%;color:var(--ink-faint);background:0 0;border:0;border-radius:10px;align-items:center;gap:8px;margin-bottom:2px;padding:7px 10px 7px 38px;transition:background .15s;display:flex}.reader__rail-sub:hover{background:var(--surface-2)}.reader__rail-sub.is-active{background:var(--emerald-soft)}.reader__rail-sub .reader__rail-text{font-weight:600}.reader__rail-sub.is-active .reader__rail-text{color:var(--ink);font-weight:700}.reader__rail-dot{background:var(--amber,#c2842b);border-radius:50%;flex:none;width:7px;height:7px;margin-left:auto}.reader__scroll{flex:1;min-width:0;overflow-y:auto}.reader__block{padding:0 var(--r-pad);margin-top:var(--r-gap);justify-content:center;display:flex}.reader__block.is-section{margin-top:var(--r-section-gap)}.reader__col{width:100%;max-width:var(--r-col)}.reader__hero{padding:26px var(--r-pad) 0;justify-content:center;display:flex}.reader__hero-inner{width:100%;max-width:var(--r-col)}.reader__kicker{align-items:center;gap:10px;display:flex}.reader__kicker-chip{background:color-mix(in srgb, var(--emerald) 15%, transparent);color:var(--emerald);letter-spacing:.12em;border-radius:10px;padding:6px 12px;font-size:12px;font-weight:900}.reader__kicker-meta{color:var(--ink-faint);font-size:12px;font-weight:600}.reader__hero-title{font-family:var(--ff-reader-serif);letter-spacing:-.01em;margin:14px 0 0;font-size:clamp(30px,4vw,40px);font-weight:900;line-height:1.1}.reader__hero-sub{color:var(--ink-soft);margin-top:10px;font-size:18px;line-height:28px}.r-prose{color:var(--body-ink);white-space:pre-line;font-size:19px;line-height:1.7}.r-prose--lead{font-family:var(--ff-reader-serif);color:var(--ink);font-size:25px;font-weight:500;line-height:1.5}.prose-term{color:var(--emerald-deep);font-weight:600}.r-prose strong{color:var(--ink);font-weight:700}.r-prose em{font-style:italic}.r-caption{color:var(--ink-faint);margin-top:8px;font-size:13px}.r-card{background:var(--s);border:1px solid var(--b);border-radius:16px;padding:18px}.r-row{align-items:center;gap:12px;display:flex}.r-eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--a);font-size:11px;font-weight:900}.r-tap{background:color-mix(in srgb, var(--a) 14%, transparent);border:1px solid color-mix(in srgb, var(--a) 40%, transparent);color:var(--a);cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:8px 14px;font-size:13px;font-weight:700;display:inline-flex}.r-tap:hover{background:color-mix(in srgb, var(--a) 22%, transparent)}.r-section{border-top:1px solid var(--rule);padding-top:22px}.r-section__num{background:var(--emerald);color:#fff;letter-spacing:.13em;border-radius:7px;margin-bottom:12px;padding:4px 10px;font-size:12px;font-weight:900;display:inline-block}.r-section__title{font-family:var(--ff-reader-serif);letter-spacing:-.01em;font-size:30px;font-weight:700;line-height:1.15}.r-section__sub{font-family:var(--ff-reader-serif);color:var(--ink-soft);margin-top:8px;font-size:18px;font-style:italic;line-height:1.3}.r-keyterm{border-left:3px solid var(--emerald);background:0 0;border-radius:0;padding:2px 0 2px 22px}.r-keyterm .r-eyebrow{color:var(--emerald-deep)}.r-keyterm__term{font-family:var(--ff-reader-serif);color:var(--ink);margin:6px 0 8px;font-size:25px;font-weight:700}.r-keyterm__def{color:var(--ink-soft);font-size:17px;line-height:1.6}.r-callout{border-radius:14px;gap:14px;padding:18px 20px;display:flex}.r-callout__emoji{font-size:22px;line-height:1.3}.r-callout__title{letter-spacing:.06em;text-transform:uppercase;color:var(--a);margin-bottom:5px;font-size:13px;font-weight:800}.r-callout__body{color:var(--i);font-size:17px;line-height:1.55}.r-quote{padding:22px}.r-quote__body{color:var(--i);font-size:18px;font-style:italic;line-height:28px}.r-quote__attr{color:var(--a);margin-top:8px;font-size:13px;font-weight:600}.r-shloka{text-align:center;background:var(--surface-2);border:1px solid var(--rule);border-radius:18px;padding:26px 30px}.r-shloka__deva{font-family:var(--ff-devanagari);color:var(--emerald);font-size:24px;font-weight:600;line-height:38px}.r-shloka__trans{color:var(--ink-soft);margin-top:14px;font-size:15px;font-style:italic;line-height:22px}.r-shloka__tr{color:var(--ink-soft);margin-top:16px;font-size:16px;line-height:25px}.r-shloka__attr{color:var(--coral);margin-top:12px;font-size:13px;font-weight:700}.r-summary{background:var(--surface);border:1px solid var(--rule);border-radius:16px;padding:24px 26px}.r-summary__title{font-family:var(--ff-reader-serif);margin:6px 0 16px;font-size:26px;font-weight:700}.r-summary__point{align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.r-summary__n{background:color-mix(in srgb, var(--emerald) 16%, transparent);width:24px;height:24px;color:var(--emerald);border-radius:7px;flex:0 0 24px;place-items:center;font-size:12px;font-weight:900;display:grid}.r-summary__pt{color:var(--ink-soft);font-size:15px;line-height:23px}.r-keywords__title{font-family:var(--ff-reader-serif);margin-bottom:14px;font-size:20px;font-weight:900}.r-keywords__cloud{flex-wrap:wrap;gap:10px;display:flex}.r-chip-tone{background:var(--s);border:1px solid var(--b);color:var(--i);cursor:pointer;border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600}.r-chip-tone.is-on{background:color-mix(in srgb, var(--a) 25%, transparent)}.r-figure__plate{background:color-mix(in srgb, var(--s) 55%, transparent);border:1px solid var(--b);border-radius:16px;padding:18px}.r-figure__alt{color:var(--i);margin-top:8px;font-size:15px;line-height:23px}.r-figure__hotspots{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.r-figure__blurb{color:var(--i);margin-top:10px;font-size:14px;line-height:21px}.r-imgcallout{background:color-mix(in srgb, var(--s) 60%, transparent)}.r-imgcallout__caption{color:var(--i);font-size:15px;line-height:23px}.r-compare__row{gap:12px;display:flex}.r-compare__side{text-align:center;cursor:pointer;flex:1}.r-compare__side.is-focus{border-width:2px;border-color:var(--a)}.r-compare__emoji{font-size:30px}.r-compare__label{color:var(--a);margin-top:8px;font-size:15px;font-weight:900}.r-compare__blurb{color:var(--i);margin-top:8px;font-size:14px;line-height:21px}.r-compare__hint{color:color-mix(in srgb, var(--a) 70%, transparent);margin-top:4px;font-size:11px}.r-table__caption{color:var(--ink-soft);margin-bottom:10px;font-size:14px;font-weight:700}.r-table{border-collapse:collapse;border:1px solid var(--rule);border-radius:14px;width:100%;overflow:hidden}.r-table th,.r-table td{text-align:left;vertical-align:top;padding:9px 14px;font-size:14px;line-height:21px}.r-table thead th{background:var(--tone-sky-s,#e0f2fe);color:#0369a1;font-size:13px;font-weight:900}.r-table tbody tr:nth-child(odd){background:0 0}.r-table tbody tr:nth-child(2n){background:#1f1b160a}.r-table td{color:var(--ink)}.r-table--scroll{white-space:nowrap;display:block;overflow-x:auto}.r-nutrient{cursor:pointer}.r-nutrient__head{align-items:center;gap:12px;display:flex}.r-nutrient__name{color:var(--i);flex:1;font-size:17px;font-weight:900}.r-nutrient__toggle{color:var(--a);font-size:22px;font-weight:900}.r-nutrient__detail{margin-top:12px}.r-nutrient__detail dt{letter-spacing:.1em;text-transform:uppercase;color:var(--a);margin-bottom:2px;font-size:11px;font-weight:900}.r-nutrient__detail dd{color:var(--i);margin:0 0 10px;font-size:15px;line-height:22px}.r-nutrient__detail dt:last-of-type,.r-nutrient__detail dd:last-of-type{margin-bottom:0}.r-labels__prompt{margin-bottom:14px;font-size:16px;font-weight:500;line-height:25px}.r-labels__row{gap:14px;display:flex}.r-facts{cursor:pointer;flex:1}.r-facts.is-pick{border-width:2px;border-color:var(--a)}.r-facts__name{color:var(--a);font-size:16px;font-weight:900}.r-facts__sub{color:var(--i);margin-top:4px;font-size:11px;font-weight:600}.r-facts__row{color:var(--i);border-bottom:1px solid color-mix(in srgb, var(--b) 40%, transparent);justify-content:space-between;padding:5px 0;font-size:14px;display:flex}.r-facts__row b{font-weight:700}.r-facts__pick{color:var(--a);margin-top:10px;font-size:13px;font-weight:700}.r-labels__verdict{gap:12px;margin-top:14px;display:flex}.r-bubble{align-items:flex-start;gap:12px;display:flex}.r-bubble__av{border-radius:50%;flex:0 0 40px;place-items:center;width:40px;height:40px;font-size:17px;font-weight:900;display:grid}.r-bubble__card{background:var(--surface);border:1px solid var(--rule);border-radius:4px 16px 16px;flex:1;padding:16px 20px}.r-bubble__body{font-family:var(--ff-reader-serif);color:var(--ink);font-size:20px;font-weight:500;line-height:29px}.r-bubble__who{letter-spacing:.1em;margin-top:8px;font-size:12px;font-weight:900}.r-story__scene{font-family:var(--ff-reader-serif);color:var(--i);margin-top:8px;font-size:19px;font-weight:500;line-height:29px}.r-scientist{border-radius:18px;align-items:flex-start;gap:16px;padding:20px;display:flex}.r-scientist__av{width:56px;height:56px;color:var(--a);background:color-mix(in srgb, var(--a) 22%, transparent);border:2px solid var(--a);border-radius:50%;flex:0 0 56px;place-items:center;font-size:24px;font-weight:900;display:grid}.r-scientist__name{color:var(--i);font-size:18px;font-weight:900}.r-scientist__dates{color:var(--a);margin-left:8px;font-size:13px;font-weight:600}.r-scientist__bio{color:var(--i);margin-top:8px;font-size:15px;line-height:23px}.r-success__title{color:var(--a);font-size:17px;font-weight:900}.r-success__body{color:var(--i);margin-top:8px;font-size:15px;line-height:23px}.r-success__hl{color:var(--a);margin-top:10px;font-size:14px;font-weight:700}.r-spotlight{gap:14px;display:flex}.r-spotlight__title{color:var(--a);margin-bottom:5px;font-size:15px;font-weight:900}.r-spotlight__body{color:var(--i);font-size:15px;line-height:23px}.r-case{background:var(--surface);border:1px solid var(--rule);border-radius:14px;display:flex;overflow:hidden}.r-case__spine{background:var(--coral);flex:0 0 4px}.r-case__inner{flex:1;padding:20px 24px}.r-case__label{letter-spacing:.13em;text-transform:uppercase;color:var(--coral);font-size:12px;font-weight:900}.r-case__year{font-family:var(--ff-reader-serif);color:var(--ink-faint);margin-left:12px;font-size:15px;font-weight:700}.r-case__title{font-family:var(--ff-reader-serif);margin-top:8px;font-size:21px;font-weight:700}.r-case__body{color:var(--ink-soft);margin-top:10px;font-size:16px;line-height:25px}.r-case__reveal{margin-top:16px}.r-case__cause{background:var(--emerald-soft);border:1px solid color-mix(in srgb, var(--emerald) 30%, transparent);border-radius:12px;align-items:center;gap:12px;padding:16px;display:flex}.r-case__cause b{font-weight:700}.r-exercise{background:color-mix(in srgb, var(--s) 55%, transparent)}.r-exercise__head{align-items:flex-start;gap:12px;display:flex}.r-exercise__num{background:color-mix(in srgb, var(--a) 20%, transparent);width:30px;height:30px;color:var(--a);border-radius:9px;flex:0 0 30px;place-items:center;font-size:13px;font-weight:900;display:grid}.r-exercise__headtext{flex-direction:column;flex:1;gap:3px;display:flex}.r-exercise__label{letter-spacing:.1em;text-transform:uppercase;color:var(--a);font-size:11px;font-weight:900}.r-exercise__prompt{font-size:16px;line-height:25px}.r-exercise__instruction{color:var(--i);opacity:.82;margin-top:12px;font-size:13px;font-weight:700;line-height:20px}.r-exercise__reveal{background:var(--s);border:1px solid var(--b);border-radius:12px;margin-top:14px;padding:14px}.r-exercise__reveal dt{letter-spacing:.1em;text-transform:uppercase;color:var(--a);margin-top:10px;font-size:11px;font-weight:900}.r-exercise__reveal dt:first-child{margin-top:0}.r-exercise__reveal dd{color:var(--i);margin:4px 0 0;font-size:14px;line-height:22px}.r-further__title{font-family:var(--ff-reader-serif);margin-bottom:14px;font-size:20px;font-weight:900}.r-further__project{background:color-mix(in srgb, var(--s) 60%, transparent);border:1px solid var(--b);border-radius:14px;align-items:center;gap:12px;margin-bottom:10px;padding:16px;display:flex}.r-further__project-body{color:var(--i);font-size:15px;line-height:23px}.r-worked__title{color:var(--a);font-size:16px;font-weight:900}.r-worked__step{gap:8px;margin-top:8px;display:flex}.r-worked__n{color:var(--a);font-weight:700}.r-worked__step-body{color:var(--i);font-size:15px;line-height:23px}.r-cycle{background:color-mix(in srgb, var(--s) 50%, transparent);border-radius:18px;padding:20px}.r-cycle__title{font-family:var(--ff-reader-serif);color:var(--a);font-size:18px;font-weight:900}.r-cycle__line{align-items:center;margin-top:18px;display:flex}.r-cycle__stop{text-align:center;cursor:pointer;flex:1}.r-cycle__dot{width:46px;height:46px;color:var(--a);background:var(--surface-2);border:1px solid var(--b);border-radius:50%;place-items:center;margin:0 auto;font-weight:900;display:grid}.r-cycle__stop.is-reached .r-cycle__dot{background:color-mix(in srgb, var(--a) 25%, transparent)}.r-cycle__stop.is-current .r-cycle__dot{border-width:2.5px}.r-cycle__stop-label{color:var(--ink-faint);margin-top:6px;font-size:11px;font-weight:600;line-height:14px}.r-cycle__stop.is-reached .r-cycle__stop-label{color:var(--ink)}.r-cycle__stop.is-current .r-cycle__stop-label{color:var(--ink);font-weight:900}.r-cycle__conn{background:var(--rule);flex:0 0 18px;height:2px}.r-cycle__detail{background:var(--s);border:1px solid var(--b);border-radius:14px;margin-top:16px;padding:16px}.r-cycle__detail-h{letter-spacing:.1em;color:var(--a);font-size:11px;font-weight:900}.r-cycle__detail-body{color:var(--i);margin-top:5px;font-size:15px;line-height:23px}.r-cycle__nav{gap:10px;margin-top:14px;display:flex}.r-cycle__btn{border:1px solid var(--a);background:color-mix(in srgb, var(--a) 18%, transparent);color:var(--a);cursor:pointer;border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700}.r-cycle__btn:disabled{background:color-mix(in srgb, var(--a) 5%, transparent);border-color:color-mix(in srgb, var(--a) 20%, transparent);color:color-mix(in srgb, var(--i) 35%, transparent);cursor:not-allowed}.r-hday{background:color-mix(in srgb, var(--s) 50%, transparent);border-radius:18px;padding:20px}.r-hday__title{font-family:var(--ff-reader-serif);color:var(--a);font-size:18px;font-weight:900}.r-hday__legend{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.r-hday__tag{border-radius:999px;padding:2px 9px;font-size:11px;font-weight:800}.r-hday__tag.is-physical{background:var(--emerald-soft);color:var(--emerald-deep)}.r-hday__tag.is-mental{background:var(--blue-soft);color:var(--blue-ink)}.r-hday__tag.is-social{background:var(--amber-soft);color:var(--amber-ink)}.r-hday__track{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.r-hday__stop{border:1px solid var(--b);background:var(--surface-2);cursor:pointer;border-radius:14px;flex-direction:column;flex:74px;align-items:center;gap:4px;min-width:74px;padding:10px 4px;transition:border-color .15s;display:flex}.r-hday__stop:hover{border-color:var(--a)}.r-hday__stop.is-current{border-color:var(--a);background:color-mix(in srgb, var(--a) 12%, transparent);border-width:2px}.r-hday__dot{width:40px;height:40px;color:var(--a);background:color-mix(in srgb, var(--a) 14%, transparent);border-radius:50%;place-items:center;font-size:20px;font-weight:900;display:grid}.r-hday__stop-label{text-align:center;color:var(--i);font-size:11.5px;font-weight:700;line-height:14px}.r-hday__stop-time{color:var(--ink-faint);font-size:10.5px;font-weight:700}.r-hday__detail{background:var(--s);border:1px solid var(--b);border-radius:14px;margin-top:16px;padding:16px;animation:.25s r-hday-fade}@keyframes r-hday-fade{0%{opacity:.4}to{opacity:1}}.r-hday__detail-head{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.r-hday__detail-title{font-family:var(--ff-reader-serif);color:var(--i);font-size:16px;font-weight:900}.r-hday__detail-time{color:var(--ink-faint);font-size:12px;font-weight:700}.r-hday__detail-tags{gap:6px;margin-left:auto;display:inline-flex}.r-hday__detail-body{color:var(--i);margin-top:8px;font-size:15px;line-height:23px}.r-hday__nav{gap:10px;margin-top:14px;display:flex}.r-hday__btn{border:1px solid var(--a);background:color-mix(in srgb, var(--a) 18%, transparent);color:var(--a);cursor:pointer;border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700}.r-hday__btn:disabled{background:color-mix(in srgb, var(--a) 5%, transparent);border-color:color-mix(in srgb, var(--a) 20%, transparent);color:color-mix(in srgb, var(--i) 35%, transparent);cursor:not-allowed}.r-hday__note{color:var(--ink-soft);background:color-mix(in srgb, var(--s) 60%, transparent);border:1px dashed var(--b);border-radius:12px;align-items:center;gap:8px;margin-top:14px;padding:10px 14px;font-size:13px;font-weight:700;display:flex}.r-abr{background:color-mix(in srgb, var(--s) 50%, transparent);border-radius:18px;padding:20px}.r-abr__title{font-family:var(--ff-reader-serif);color:var(--a);font-size:18px;font-weight:900}.r-abr__legend{flex-wrap:wrap;gap:14px;margin-top:10px;display:flex}.r-abr__key{color:var(--ink-soft);align-items:center;gap:6px;font-size:12px;font-weight:700;display:inline-flex}.r-abr__swatch{border-radius:50%;width:11px;height:11px}.r-abr__body{flex-wrap:wrap;align-items:center;gap:20px;margin-top:16px;display:flex}.r-abr__dishwrap{flex:0 0 240px;max-width:260px}.r-abr__dish{width:100%;height:auto;display:block}.r-abr__plate{fill:var(--surface-2);stroke:var(--b);stroke-width:1.5px}.r-abr__drug{fill:none;stroke:var(--blue);stroke-width:14px;opacity:.5}.r-abr__dot{transition:opacity .4s,fill .4s}.r-abr__side{flex:240px;min-width:220px}.r-abr__stepno{letter-spacing:.1em;text-transform:uppercase;color:var(--a);font-size:11px;font-weight:900}.r-abr__caption{color:var(--i);margin:8px 0 0;font-size:15px;line-height:23px;animation:.25s r-abr-fade}@keyframes r-abr-fade{0%{opacity:.4}to{opacity:1}}.r-abr__note{background:var(--s);border:1px solid var(--b);color:var(--ink-soft);border-radius:12px;margin-top:12px;padding:12px 14px;font-size:13.5px;line-height:20px}.r-abr__nav{gap:10px;margin-top:14px;display:flex}.r-abr__btn{border:1px solid var(--a);background:color-mix(in srgb, var(--a) 18%, transparent);color:var(--a);cursor:pointer;border-radius:999px;padding:9px 16px;font-size:13px;font-weight:700}.r-abr__btn:disabled{background:color-mix(in srgb, var(--a) 5%, transparent);border-color:color-mix(in srgb, var(--a) 20%, transparent);color:color-mix(in srgb, var(--i) 35%, transparent);cursor:not-allowed}.r-activity{background:color-mix(in srgb, var(--s) 45%, transparent);border:1.5px solid var(--b);border-radius:20px;padding:20px}.r-activity__head{align-items:center;gap:12px;display:flex}.r-activity__tile{background:color-mix(in srgb, var(--a) 18%, transparent);border-radius:10px;flex:0 0 34px;place-items:center;width:34px;height:34px;font-size:17px;display:grid}.r-activity__title{font-family:var(--ff-reader-serif);flex:1;font-size:18px;font-weight:900;line-height:24px}.r-activity__intro{color:var(--ink-soft);margin-top:12px;font-size:15px;line-height:23px}.r-activity__tables{flex-direction:column;gap:14px;margin-top:14px;display:flex}.r-activity__cta{background:color-mix(in srgb, var(--a) 16%, transparent);border:1px solid color-mix(in srgb, var(--a) 50%, transparent);color:var(--a);cursor:pointer;border-radius:14px;align-items:center;gap:8px;margin-top:14px;padding:13px 18px;font-size:15px;font-weight:900;display:inline-flex}.r-activity__yourturn{color:var(--a);align-items:center;gap:8px;margin-top:12px;font-size:13px;font-weight:700;display:flex}.r-activity__engine{background:var(--surface);border:1px dashed var(--b);text-align:center;color:var(--ink-soft);border-radius:16px;margin-top:16px;padding:28px}.share-btn{width:34px;height:34px;color:var(--ink-faint);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:10px;flex:none;place-items:center;transition:color .15s,background .15s,border-color .15s;display:grid}.share-btn:hover,.share-btn:focus-visible{color:var(--a);background:color-mix(in srgb, var(--a) 12%, transparent);border-color:color-mix(in srgb, var(--a) 40%, transparent)}.r-unknown{background:var(--surface-2);border:1px dashed var(--rule);color:var(--ink-faint);border-radius:12px;padding:12px 16px;font-size:13px}.reader button{color:inherit;font-family:inherit}.r-cycle__conn.is-on{background:var(--a)}.r-figure__img,.r-imgcallout__img,.r-compare__img{object-fit:cover;border-radius:12px;width:100%;display:block}.r-figure__img{aspect-ratio:16/10;max-height:420px}.r-imgcallout__img{aspect-ratio:16/10}.r-compare__img{aspect-ratio:4/3;margin-bottom:10px}.asset-ph{aspect-ratio:16/10;background:color-mix(in srgb, var(--s,#e0f2fe) 50%, transparent);border:1px dashed var(--b,#7dd3fc);width:100%;color:var(--i,#082f49);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex}.asset-ph__icon{opacity:.7;font-size:28px}.asset-ph__label{text-align:center;opacity:.7;max-width:28ch;font-size:12px;font-weight:600}.r-compare__img+.asset-ph,.asset-ph.r-compare__img{aspect-ratio:4/3;min-height:0}.r-engine__input{box-sizing:border-box;border:1px solid var(--b);background:var(--paper);width:100%;font:inherit;color:var(--i);resize:vertical;border-radius:12px;margin-top:14px;padding:12px 14px;font-size:15px;line-height:23px}.r-engine__input:focus{outline:2px solid color-mix(in srgb, var(--a) 55%, transparent);outline-offset:1px}.r-engine__actions{align-items:center;gap:12px;margin-top:12px;display:flex}.r-engine__submit{background:var(--a);color:#fff;cursor:pointer;border:0;border-radius:999px;align-items:center;gap:7px;padding:9px 16px;font-size:13px;font-weight:800;display:inline-flex}.r-engine__submit:disabled{background:color-mix(in srgb, var(--i) 12%, transparent);color:color-mix(in srgb, var(--i) 42%, transparent);cursor:not-allowed}.r-engine__saved{color:var(--a);font-size:12px;font-weight:800}.r-engine__hint{color:var(--i);opacity:.7;font-size:12px;font-weight:700;line-height:18px}.present__page .r-engine__hint{font-size:2.4cqh;line-height:1.4}.r-mcq{flex-direction:column;gap:14px;margin-top:14px;display:flex}.r-mcq__group-label{letter-spacing:.08em;text-transform:uppercase;color:var(--a);margin-bottom:8px;font-size:11px;font-weight:900}.r-mcq__opts{flex-wrap:wrap;gap:8px;display:flex}.r-mcq__opt{cursor:pointer;border:1px solid var(--b);background:var(--paper);color:var(--i);font:inherit;border-radius:999px;padding:8px 14px;font-size:14px;font-weight:600}.r-mcq__opt.is-on{background:color-mix(in srgb, var(--a) 16%, transparent);border-color:var(--a)}.r-mcq__opt.is-hit{color:#14532d;background:#dcfce7;border-color:#16a34a}.r-mcq__opt.is-miss{border-style:dashed;border-color:#16a34a}.r-mcq__opt.is-wrong{color:#7f1d1d;background:#fee2e2;border-color:#ef4444}.r-mcq__opt:disabled{cursor:default}.r-sort__head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.r-sort__eyebrow{letter-spacing:.1em;color:var(--a);font-size:11px;font-weight:900}.r-sort__prompt{color:var(--i);margin-top:6px;font-size:15px;font-weight:600;line-height:22px}.r-sort__btns{flex:none;gap:8px;display:flex}.r-sort__ghost{border:1px solid var(--b);color:var(--a);cursor:pointer;background:0 0;border-radius:999px;padding:9px 14px;font-size:13px;font-weight:700}.r-sort__pool{border:1px dashed var(--b);background:color-mix(in srgb, var(--s) 50%, transparent);border-radius:14px;min-height:64px;margin-top:14px;padding:14px}.r-sort__pool-label,.r-sort__bucket-title{letter-spacing:.12em;text-transform:uppercase;color:var(--a);font-size:10px;font-weight:900}.r-sort__chips{flex-wrap:wrap;gap:10px;margin-top:10px;display:flex}.r-sort__chip{cursor:grab;border:1px solid var(--b);background:var(--paper);color:var(--i);font:inherit;-webkit-user-select:none;user-select:none;border-radius:12px;align-items:center;gap:7px;padding:9px 14px;font-size:14px;font-weight:600;display:inline-flex}.r-sort__chip:active{cursor:grabbing}.r-sort__chip.is-picked{border-color:var(--a);box-shadow:0 0 0 2px color-mix(in srgb, var(--a) 40%, transparent)}.r-sort__chip.is-correct{color:#14532d;background:#dcfce7;border-color:#16a34a}.r-sort__chip.is-wrong{color:#7f1d1d;background:#fee2e2;border-color:#ef4444}.r-sort__emoji{font-size:16px}.r-sort__buckets{flex-wrap:wrap;gap:14px;margin-top:14px;display:flex}.r-sort__bucket{border:1px solid var(--b);background:color-mix(in srgb, var(--s) 60%, transparent);border-radius:14px;flex:160px;min-height:120px;padding:14px}.r-sort__bucket-label{color:var(--i);margin-top:4px;font-size:17px;font-weight:900}.r-sort__bucket-hint{color:var(--i);opacity:.7;margin-top:4px;font-size:12px;line-height:16px}.r-sort__result{color:#7f1d1d;background:#fee2e2;border:1px solid #fca5a5;border-radius:12px;margin-top:14px;padding:12px 16px;font-size:14px}.r-sort__result.is-perfect{color:#14532d;background:#dcfce7;border-color:#86efac}.r-fill__sentence{color:var(--i);margin-top:14px;font-size:16px;line-height:2.1}.r-fill__blank{border:1px dashed var(--b);background:color-mix(in srgb, var(--s) 50%, transparent);color:var(--i);font:inherit;cursor:pointer;vertical-align:middle;border-radius:8px;align-items:center;margin:0 3px;padding:4px 12px;font-size:15px;font-weight:700;display:inline-flex}.r-fill__blank.is-active{border-style:solid;border-color:var(--a);box-shadow:0 0 0 2px color-mix(in srgb, var(--a) 30%, transparent)}.r-fill__blank.is-filled{background:color-mix(in srgb, var(--a) 12%, transparent);border-style:solid}.r-fill__blank.is-right{color:#14532d;background:#dcfce7;border-color:#16a34a}.r-fill__blank.is-wrong{color:#7f1d1d;background:#fee2e2;border-color:#ef4444}.r-fill__correct{opacity:.85;font-weight:800}.r-fill__bank{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.r-fill__word{cursor:pointer;border:1px solid var(--b);background:var(--paper);color:var(--i);font:inherit;border-radius:999px;padding:8px 14px;font-size:14px;font-weight:700}.r-fill__word:hover:not(:disabled){border-color:var(--a)}.r-fill__word.is-used{opacity:.35;cursor:default}.r-fill__result{color:#7f1d1d;background:#fee2e2;border:1px solid #fca5a5;border-radius:12px;margin-top:14px;padding:12px 16px;font-size:14px;line-height:1.5}.r-fill__result.is-perfect{color:#14532d;background:#dcfce7;border-color:#86efac}.r-tf{flex-direction:column;gap:10px;margin-top:14px;display:flex}.r-tf__row{border:1px solid var(--b);background:var(--paper);border-radius:12px;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:12px 14px;display:grid}.r-tf__row.is-right{background:#dcfce7;border-color:#86efac}.r-tf__row.is-wrong{background:#fee2e2;border-color:#fca5a5}.r-tf__text{color:var(--i);font-size:14.5px;line-height:1.45}.r-tf__btns{gap:6px;display:flex}.r-tf__btn{cursor:pointer;border:1px solid var(--b);color:var(--i);font:inherit;background:0 0;border-radius:999px;padding:8px 16px;font-size:13.5px;font-weight:700}.r-tf__btn.is-on{background:color-mix(in srgb, var(--a) 16%, transparent);border-color:var(--a);color:var(--a)}.r-tf__btn:disabled{cursor:default}.r-tf__why{color:var(--i);opacity:.85;grid-column:1/-1;font-size:13px;line-height:1.5}.reader__modes{background:var(--paper-2,#0000000d);border:1px solid var(--rule);border-radius:999px;gap:2px;margin:0 12px;padding:3px;display:inline-flex}.reader__mode{cursor:pointer;color:var(--ink-soft);background:0 0;border:0;border-radius:999px;flex-direction:column;align-items:center;gap:1px;padding:5px 14px;display:flex}.reader__mode.is-on{background:var(--emerald);color:#fff}.reader__mode-t{font-size:13px;font-weight:800;line-height:1}.reader__mode-s{letter-spacing:.1em;opacity:.7;font-size:8px;font-weight:800}.reader__expbtn{cursor:pointer;background:var(--emerald);color:#fff;white-space:nowrap;border:0;border-radius:999px;align-items:center;gap:7px;height:34px;margin-right:2px;padding:0 15px;font-family:inherit;font-size:13.5px;font-weight:800;transition:background .16s,transform .12s;display:inline-flex;box-shadow:0 6px 16px #1f7a4a3d}.reader__expbtn:hover{background:var(--emerald-2)}.reader__expbtn:active{transform:translateY(1px)}.reader__expbtn-ic{font-size:15px;line-height:1}.present__stage{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.present__deck{flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.present__canvas{background:var(--paper);width:100%;height:100%;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 40px #14281e1f;container-type:size}.present__page{flex-direction:column;flex:1;justify-content:center;min-height:0;padding:7cqh 8.5cqh;display:flex}.present__page.is-cover{justify-content:center}.present__page-inner{flex-direction:column;gap:3.4cqh;width:100%;display:flex}.present__page-inner .reader__col{width:100%;max-width:100%;margin:0}.present__page .r-prose{font-size:3.8cqh;line-height:1.45}.present__page .r-prose--lead{font-size:4.5cqh;line-height:1.4}.present__page .r-section__num{font-size:2.2cqh}.present__page .r-section__title{font-size:5.8cqh;line-height:1.1}.present__page .r-section__sub{margin-top:1.4cqh;font-size:3cqh;line-height:1.3}.present__page .r-eyebrow{letter-spacing:.14em;font-size:2cqh}.present__page .r-keyterm__term{font-size:4.7cqh}.present__page .r-keyterm__def{font-size:3.3cqh;line-height:1.45}.present__page .r-callout__title{font-size:2.9cqh}.present__page .r-callout__body{font-size:3.3cqh;line-height:1.45}.present__page .r-quote__body{font-size:4.2cqh;line-height:1.4}.present__page .r-quote__attr{font-size:2.4cqh}.present__page .r-summary__title{font-size:4.5cqh}.present__page .r-summary__pt{font-size:3.1cqh;line-height:1.4}.present__page .r-summary__n{font-size:2.2cqh}.present__page .r-caption{font-size:2.4cqh}.present__page .r-shloka__deva{font-size:5cqh;line-height:1.5}.present__page .r-shloka__trans{font-size:2.9cqh}.present__page .r-shloka__tr{font-size:3.1cqh;line-height:1.45}.present__page .r-bubble__body{font-size:3.3cqh}.present__page .prose-term{font-weight:700}.present__page .r-table th,.present__page .r-table td{padding:.5em .7em;font-size:2.9cqh}.present__page .r-activity__title{font-size:3.8cqh}.present__page .r-activity__intro{font-size:3.1cqh;line-height:1.45}.present__page .r-formula__math{font-size:1.6em}.present__page .r-compare__img,.present__page .asset-ph.r-compare__img,.present__page .r-compare__img+.asset-ph{aspect-ratio:auto;height:22cqh;max-height:none;margin-bottom:.5em}.present__page .r-compare__emoji{font-size:5cqh}.present__page .r-compare__label{font-size:3cqh}.present__page .r-compare__blurb{font-size:2.4cqh;line-height:1.4}.present__page .r-compare__row{gap:2.5cqh}.present__page .r-bubble__who{font-size:2cqh}.present__page .r-keyterm__term~*{line-height:1.4}.present__page .r-figure__img,.present__page .r-imgcallout__img{aspect-ratio:auto;object-fit:contain;height:28cqh;max-height:none}.present__page .r-figure__plate{padding:1.5cqh}.present__page .asset-ph{aspect-ratio:auto;background:color-mix(in srgb, var(--s,#e0f2fe) 30%, transparent);border-style:dashed;flex-direction:row;justify-content:flex-start;gap:2cqh;height:auto;padding:2.4cqh 3cqh}.present__page .asset-ph__icon{flex:none;font-size:3.4cqh}.present__page .asset-ph__label{text-align:left;opacity:.85;max-width:none;font-size:2.4cqh}.present__page .r-exercise__num{border-radius:.4em;flex:0 0 5.5cqh;width:5.5cqh;height:5.5cqh;font-size:2.6cqh}.present__page .r-exercise__prompt{font-size:3.2cqh;line-height:1.4}.present__page .r-exercise__label{font-size:2cqh}.present__page .r-exercise__instruction{margin-top:2cqh;font-size:2.5cqh;line-height:1.4}.present__page .r-exercise__head{gap:2.2cqh}.present__page .r-exercise__reveal dt{font-size:2cqh}.present__page .r-exercise__reveal dd{font-size:2.6cqh;line-height:1.4}.present__page .r-keywords__title{font-size:4cqh}.present__page .r-chip-tone{padding:.35em .7em;font-size:3cqh}.present__page .r-process__step,.present__page .r-cycle__label{font-size:3cqh}.present__page .r-keyterm__def{line-height:1.4}.present__page .r-callout__emoji{font-size:4cqh}.present__page:has(>.present__page-inner>.reader__col:first-child .r-section){justify-content:flex-start;padding-top:0}.present__page .r-section{background:var(--emerald);border-top:none;border-radius:0;margin:0 -8.5cqh 5cqh;padding:5cqh 8.5cqh}.present__page .r-section__num{color:#fff;letter-spacing:.12em;background:#ffffff38;border-radius:.4em;margin-bottom:1.2cqh;padding:.22em .7em;font-weight:700;display:inline-block}.present__page .r-section__title{font-family:var(--ff-reader-serif);color:#fff;font-weight:800}.present__page:has(.r-section) .present__page-inner{flex:1;justify-content:center}.present__page .r-keyterm{background:var(--emerald-soft);border-left:none;border-radius:16px;padding:3cqh 3.8cqh}.present__page .r-keyterm__term{color:var(--emerald-deep)}.present__page .r-callout{border-radius:16px;padding:3cqh 3.8cqh}.present__page .r-quote{border-radius:16px}.present__page:has(>.present__page-inner>.reader__col:only-child .r-section){justify-content:center}.present__page:has(>.present__page-inner>.reader__col:only-child .r-section) .r-section{text-align:center;margin:0;padding:8cqh 8.5cqh}.present__page:has(>.present__page-inner>.reader__col:only-child .r-section) .r-section__title{font-size:7cqh}.present__page .r-table,.present__page .r-summary,.present__page .r-activity,.present__page .r-keywords,.present__page .r-process{width:100%}.present__page--v-top{justify-content:flex-start}.present__page--v-center{justify-content:center}.present__page--v-bottom{justify-content:flex-end}.present__page--a-center .present__page-inner{text-align:center;align-items:center}.present__page--d-compact .present__page-inner{gap:18px}.present__page--cols-2 .present__page-inner{grid-template-columns:1fr 1fr;align-items:start;gap:30px 48px;display:grid}.present__cover{width:100%;margin:0 auto}.present__cover-chip{background:var(--coral-soft,#fde4dc);color:var(--coral,#c0492f);letter-spacing:.1em;border-radius:999px;padding:5px 12px;font-size:11px;font-weight:900;display:inline-block}.present__cover-title{font-family:var(--ff-reader-serif);color:var(--ink);margin:16px 0 0;font-size:clamp(28px,5vw,52px);line-height:1.08}.present__cover-sub{color:var(--ink-soft);max-width:640px;margin-top:14px;font-size:18px;line-height:1.5}@keyframes pg-fade{0%{opacity:0}to{opacity:1}}.present__canvas.dir-fwd,.present__canvas.dir-back{animation:.2s pg-fade}.present__bottom{border-top:1px solid var(--rule);background:var(--paper);flex:none;justify-content:space-between;align-items:center;padding:12px clamp(20px,5vw,64px);display:flex}.present__nav{border:1px solid var(--rule);background:var(--paper);color:var(--ink);cursor:pointer;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:800}.present__nav:hover:not(:disabled){border-color:var(--emerald);color:var(--emerald)}.present__nav:disabled{opacity:.35;cursor:not-allowed}.present__count{flex-direction:column;align-items:center;gap:2px;display:flex}.present__section{color:var(--ink-soft);font-size:12px;font-weight:700}.present__page-no{color:var(--ink);letter-spacing:.04em;font-size:13px;font-weight:900}.reader.present:focus{outline:none}@media (width<=900px){:root{--r-rail:0px}.reader__rail{display:none}.r-sort__head,.r-sort__buckets{flex-direction:column}.reader__mode-s{display:none}}.r-formula{text-align:center;margin:18px 0}.r-formula--inline{margin:0;display:inline-block}.r-formula__math{overflow-x:auto}.r-formula__raw{color:var(--ink-soft);font-family:ui-monospace,monospace;font-size:14px}.r-formula__caption{color:var(--ink-faint);margin-top:8px;font-size:13px}:root{--paper:#f4ecda;--paper-2:#efe5cf;--paper-edge:#e8ddc4;--surface:#fffdf6;--surface-2:#faf3e1;--ink:#1f1b16;--ink-soft:#45413a;--ink-faint:#8a8378;--ink-ghost:#b3ab9c;--rule:#1f1b161a;--rule-soft:#1f1b160f;--emerald:#1f7a4a;--emerald-2:#2f8c4f;--emerald-deep:#155c37;--emerald-soft:#e4efd9;--emerald-line:#c4ddb3;--coral:#c85d3a;--coral-soft:#f6e2d6;--coral-line:#e6c3b1;--coral-ink:#8d4524;--amber:#c2842b;--amber-soft:#f3e4c4;--amber-ink:#8a5a13;--blue:#2f5d8a;--blue-soft:#d9e6f1;--blue-ink:#244c72;--violet:#6d51a8;--violet-soft:#e6def4;--violet-ink:#4d3880;--ff-display:"Fraunces", Georgia, serif;--ff-body:"Hanken Grotesk", system-ui, sans-serif;--shadow-card:0 1px 2px #503c1e0d, 0 12px 30px #785a2814;--shadow-lift:0 2px 4px #503c1e0f, 0 22px 48px #785a2824;--radius:20px;--fs-xs:clamp(12px, .25vw + 11.1px, 13.5px);--fs-sm:clamp(13px, .45vw + 11.4px, 15px);--fs-md:clamp(15px, .55vw + 13px, 18px);--fs-lg:clamp(17px, .85vw + 14px, 21px);--fs-xl:clamp(20px, 1.5vw + 14.6px, 28px);--fs-2xl:clamp(23px, 2.2vw + 15.1px, 34px);--pad-card:clamp(18px, 3.2vw, 34px);--gap-card:clamp(10px, 1.4vw, 16px)}html[data-theme=dark]{--paper:#1a1713;--paper-2:#16130f;--paper-edge:#221d17;--surface:#242019;--surface-2:#2b261e;--ink:#f3ece0;--ink-soft:#cfc7b8;--ink-faint:#978f80;--ink-ghost:#6f6859;--rule:#f3ece01f;--rule-soft:#f3ece012;--emerald:#4cae78;--emerald-2:#5cbf88;--emerald-deep:#8fd6ad;--emerald-soft:#20352a;--emerald-line:#335f47;--coral:#e0805f;--coral-soft:#3a261d;--coral-line:#5e3a2a;--coral-ink:#f0a98a;--amber:#d6a14a;--amber-soft:#382c16;--amber-ink:#e8c074;--blue:#6699c9;--blue-soft:#1c2c3b;--blue-ink:#9bc0e0;--violet:#9b81d4;--violet-soft:#2a2440;--violet-ink:#c0aef0;--shadow-card:0 1px 2px #0000004d, 0 12px 30px #00000059;--shadow-lift:0 2px 4px #00000059, 0 22px 48px #00000080;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}html[data-theme=dark] .appbar{background:#1a1713c7}html[data-theme=dark] .layout-switch{background:#242019db}*{box-sizing:border-box}html[data-font=fraunces]{--ff-display:"Fraunces", Georgia, serif;--ff-body:"Hanken Grotesk", system-ui, sans-serif}html[data-font=editorial]{--ff-display:"Newsreader", Georgia, serif;--ff-body:"Public Sans", system-ui, sans-serif}html[data-font=modern]{--ff-display:"Bricolage Grotesque", system-ui, sans-serif;--ff-body:"Mulish", system-ui, sans-serif}html,body{height:100%;margin:0;padding:0}body{font-family:var(--ff-body);color:var(--ink);background:radial-gradient(1400px 820px at 50% -12%, var(--paper) 0%, var(--paper-2) 66%, var(--paper-edge) 100%);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-attachment:fixed;overflow:hidden}h1,h2,h3,h4,p{margin:0}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,select{font-family:inherit}a{color:inherit}#root{height:100dvh;position:relative;overflow:hidden}.screen{opacity:0;visibility:hidden;transition:opacity .42s,transform .42s cubic-bezier(.22,.61,.36,1);position:absolute;inset:0;transform:translateY(10px)scale(.994)}.screen.is-active{opacity:1;visibility:visible;z-index:2;transform:none}@media (prefers-reduced-motion:reduce){.screen{transition:none;transform:none}}.login{display:flex}.login__inner{width:100%;height:100%;display:none}.login[data-variant=center] .login__inner--center{display:flex}.layout-switch{z-index:60;border:1px solid var(--rule);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffdf6db;border-radius:999px;align-items:center;gap:8px;padding:6px;display:flex;position:fixed;top:18px;right:18px}.layout-switch .lbl{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);padding-left:10px;font-size:11px;font-weight:700}.layout-switch button{color:var(--ink-faint);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:700}.layout-switch button.on{background:var(--ink);color:var(--surface)}.font-switch{top:64px}.authcard{width:100%;max-width:430px}.auth-disabled-banner{color:#8a5a00;background:#f0a92b1f;border:1px solid #f0a92b73;border-radius:12px;flex-direction:column;gap:4px;padding:12px 14px;font-size:13px;line-height:1.45;display:flex}.auth-disabled-banner b{font-size:13.5px}.auth-disabled-banner code{background:#0000000f;border-radius:5px;padding:1px 5px;font-family:Space Mono,ui-monospace,monospace;font-size:12px}.brandlock{align-items:center;gap:13px;display:flex}.brandlock .glyph{background:var(--emerald);color:#fff;border-radius:13px;flex:none;justify-content:center;align-items:center;width:46px;height:46px;display:flex;box-shadow:0 8px 20px #1f7a4a47}.brandlock .glyph svg{width:26px;height:26px}.brandlock .name{font-family:var(--ff-display);letter-spacing:-.01em;font-size:26px;font-weight:700}.brandlock .name b{color:var(--emerald);font-weight:700}.brandlock .tag{color:var(--ink-faint);letter-spacing:.01em;margin-top:1px;font-size:12.5px;font-weight:600;display:block}.auth-h{font-family:var(--ff-display);letter-spacing:-.02em;font-size:clamp(30px,3vw,40px);font-weight:700;line-height:1.06}.auth-sub{color:var(--ink-soft);margin-top:10px;font-size:16px;line-height:1.5}.role-seg{background:var(--surface-2);border:1px solid var(--rule);border-radius:15px;gap:6px;padding:5px;display:flex}.role-seg button{color:var(--ink-faint);border-radius:11px;flex:1;justify-content:center;align-items:center;gap:9px;padding:12px 10px;font-size:15px;font-weight:700;transition:background .18s,color .18s,box-shadow .18s;display:flex}.role-seg button svg{opacity:.85;width:19px;height:19px}.role-seg button.on{background:var(--surface);color:var(--ink);box-shadow:0 2px 10px #785a281f}.role-seg button.on svg{opacity:1}.method-tabs{border-bottom:1px solid var(--rule);gap:24px;display:flex}.method-tabs button{color:var(--ink-faint);padding:11px 2px 13px;font-size:14px;font-weight:700;position:relative}.method-tabs button.on{color:var(--ink)}.method-tabs button.on:after{content:"";background:var(--emerald);border-radius:2px;height:2.5px;position:absolute;bottom:-1px;left:0;right:0}.field{display:block}.field+.field{margin-top:14px}.field .flabel{color:var(--ink-soft);margin-bottom:7px;font-size:13px;font-weight:600;display:block}.field .control{background:var(--surface);border:1.5px solid var(--rule);border-radius:13px;align-items:center;gap:11px;height:52px;padding:0 15px;transition:border-color .16s,box-shadow .16s;display:flex}.field .control:focus-within{border-color:var(--emerald);box-shadow:0 0 0 4px #1f7a4a1a}.field .control svg{width:18px;height:18px;color:var(--ink-ghost);flex:none}.field .control input{color:var(--ink);background:0 0;border:none;outline:none;flex:1;min-width:0;font-size:15.5px;font-weight:500}.field .control input::placeholder{color:var(--ink-ghost);font-weight:500}.field .control .suffix{color:var(--emerald);white-space:nowrap;font-size:13px;font-weight:700}.field .control .ccode{color:var(--ink-soft);border-right:1px solid var(--rule);padding-right:11px;font-size:15px;font-weight:600}.otp-row{gap:10px;display:flex}.otp-row input{text-align:center;border:1.5px solid var(--rule);background:var(--surface);width:54px;height:60px;color:var(--ink);border-radius:13px;outline:none;font-size:24px;font-weight:700}.otp-row input:focus{border-color:var(--emerald);box-shadow:0 0 0 4px #1f7a4a1a}.otp-meta{color:var(--ink-faint);justify-content:space-between;align-items:center;margin-top:12px;font-size:13px;display:flex}.otp-meta b{color:var(--ink-soft);font-weight:700}.otp-meta .resend{color:var(--emerald);font-weight:700}.row-between{justify-content:space-between;align-items:center;display:flex}.check{color:var(--ink-soft);cursor:pointer;align-items:center;gap:9px;font-size:13.5px;font-weight:600;display:inline-flex}.check .box{border:1.5px solid var(--ink-ghost);border-radius:6px;justify-content:center;align-items:center;width:18px;height:18px;display:flex}.check input{display:none}.check input:checked+.box{background:var(--emerald);border-color:var(--emerald)}.check input:checked+.box:after{content:"✓";color:#fff;font-size:12px;font-weight:800}.link-faint{color:var(--emerald);font-size:13.5px;font-weight:700}.btn-primary{background:var(--emerald);color:#fff;letter-spacing:.01em;border-radius:14px;justify-content:center;align-items:center;gap:10px;width:100%;height:54px;font-size:16px;font-weight:700;transition:transform .12s,box-shadow .18s,background .18s;display:flex;box-shadow:0 12px 26px #1f7a4a42}.btn-primary:hover{background:var(--emerald-2);box-shadow:0 14px 30px #1f7a4a52}.btn-primary:active{transform:translateY(1px)}.btn-primary svg{width:18px;height:18px}.divider-or{color:var(--ink-ghost);letter-spacing:.14em;text-transform:uppercase;align-items:center;gap:14px;font-size:12px;font-weight:700;display:flex}.divider-or:before,.divider-or:after{content:"";background:var(--rule);flex:1;height:1px}.sso-row{gap:12px;display:flex}.sso-btn{border:1.5px solid var(--rule);background:var(--surface);height:50px;color:var(--ink-soft);border-radius:13px;flex:1;justify-content:center;align-items:center;gap:9px;font-size:14px;font-weight:700;transition:border-color .16s,background .16s;display:flex}.sso-btn:hover{border-color:var(--ink-ghost);background:var(--surface-2)}.sso-btn svg{width:18px;height:18px}.foot-note{color:var(--ink-faint);font-size:13px}.foot-note b{color:var(--emerald);font-weight:700}.stack-22>*+*{margin-top:22px}.stack-16>*+*{margin-top:16px}.login__inner--center{padding:clamp(20px,4vh,48px) 16px;position:relative;overflow:auto}.lp-c-bg{pointer-events:none;position:absolute;inset:0;overflow:hidden}.lp-c-band{background:linear-gradient(#0000,#1f7a4a0f);height:230px;position:absolute;bottom:0;left:0;right:0;-webkit-mask:linear-gradient(#0000,#000 60%);mask:linear-gradient(#0000,#000 60%)}.lp-c-bg svg{opacity:.9;position:absolute;bottom:0}.lp-c-card{z-index:2;background:var(--surface);border:1px solid var(--rule);width:min(460px,92vw);box-shadow:var(--shadow-lift);border-radius:26px;margin:auto;padding:38px 40px;position:relative}.lp-c-card .authcard{max-width:none}.activity{z-index:80;background:#0c1424;flex-direction:column;animation:.25s activity-in;display:flex;position:fixed;inset:0;overflow:hidden}.activity__stage{overscroll-behavior:contain;min-height:0;overflow:hidden auto}@keyframes activity-in{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:none}}.activity--loading{color:#ffffffb3;justify-content:center;align-items:center;font-weight:600}.ll-html-activity{z-index:80;background:#050505;animation:.25s activity-in;position:fixed;inset:0}.ll-html-activity__frame{border:0;width:100%;height:100%;display:block;position:absolute;inset:0}.ll-html-activity__back{z-index:5;color:#f5ead7;cursor:pointer;background:#0c0906c7;border:1px solid #ffe8be2e;border-radius:12px;padding:9px 14px;font-family:Hanken Grotesk,system-ui,sans-serif;font-size:14px;font-weight:700;transition:all .16s;position:absolute;top:14px;left:14px;box-shadow:0 10px 26px -10px #000000b3}.ll-html-activity__back:hover{color:#ffc24d;border-color:#f0a92b;transform:translateY(-1px)}.activity__bar{background:#111c30;border-bottom:.5px solid #ffffff14;align-items:center;gap:12px;padding:12px 18px;display:flex}.activity__icon{font-size:22px}.activity__titles{flex:1;min-width:0}.activity__eyebrow{font-size:var(--fs-xs);letter-spacing:.12em;color:#5b8cff;font-weight:700}.activity__title{color:#eaf1ff;font-size:16px;font-weight:700}.activity__tally{color:#9aa7c0;white-space:nowrap;font-size:13px}.activity__tally b{color:#cfe0ff}.activity__reset,.activity__close{color:#cdd6ea;cursor:pointer;background:#ffffff14;border:none;border-radius:9px;width:34px;height:34px;font-size:16px}.activity__reset:hover,.activity__close:hover{background:#ffffff29}.activity__stage{background:radial-gradient(120% 110% at 50% 20%,#1b2741 0%,#0c1424 70%);flex:1;position:relative}.activity__stage canvas{display:block}.activity__hint{color:#9fb0d0;pointer-events:none;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0000004d;border-radius:999px;padding:6px 16px;font-size:13px;position:absolute;top:18px;left:50%;transform:translate(-50%)}.mlab .activity__hint{top:74px}.activity__why{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0d1626eb;border:1px solid #ffffff1f;border-radius:14px;width:calc(100% - 48px);max-width:520px;padding:14px 18px;animation:.3s why-in;position:absolute;bottom:22px;left:50%;transform:translate(-50%)}@keyframes why-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}.activity__why-verdict{letter-spacing:.06em;font-size:12px;font-weight:800}.activity__why.is-yes .activity__why-verdict{color:#7fffd0}.activity__why.is-no .activity__why-verdict{color:#ff9b9b}.activity__why-text{color:#dfe8ff;margin-top:4px;font-size:14px;line-height:1.5}.activity__tray{background:#0f1828;flex-wrap:wrap;gap:10px;padding:16px 18px;display:flex}.activity__obj{color:#dfe8ff;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff24;border-radius:14px;flex-direction:column;flex:1;align-items:center;gap:4px;min-width:110px;padding:14px 12px;transition:transform .12s,border-color .12s;display:flex}.activity__obj:hover:not(:disabled){border-color:#5b8cff;transform:translateY(-3px)}.activity__obj:disabled{opacity:.6;cursor:default}.activity__obj.is-stuck{background:#2dd47f24;border-color:#1d9e75}.activity__obj.is-repelled{background:#e24b4a24;border-color:#a32d2d}.activity__obj-name{font-size:14px;font-weight:700}.activity__obj-verdict{font-size:var(--fs-xs);color:#6b7a96;font-weight:700}.is-stuck .activity__obj-verdict{color:#7fffd0}.is-repelled .activity__obj-verdict{color:#ff9b9b}.solids__solids{background:#0f1828;border-bottom:1px solid #ffffff0f;gap:8px;padding:12px 18px;display:flex;overflow-x:auto}.solids__solid{color:#dfe8ff;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff24;border-radius:14px;flex-direction:column;flex:none;align-items:center;gap:4px;min-width:84px;padding:10px 16px;font-size:13px;font-weight:700;transition:transform .12s,border-color .12s,background .12s;display:flex}.solids__solid:hover{border-color:#34d399;transform:translateY(-2px)}.solids__solid.is-active{background:#34d39929;border-color:#34d399}.solids__solid-icon{font-size:22px}.solids__readout{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:none;background:#060c16c7;border:1px solid #34d39959;border-radius:14px;min-width:240px;padding:14px 18px;position:absolute;top:16px;left:16px}.solids__formula{flex-direction:column;margin-bottom:10px;display:flex}.solids__formula:last-child{margin-bottom:0}.solids__flabel{font-size:var(--fs-xs);letter-spacing:.1em;text-transform:uppercase;color:#7fdcb8;font-weight:800}.solids__fexpr{color:#eafff6;font-family:Fraunces,Georgia,serif;font-size:22px;font-weight:800}.solids__fval{color:#b9c9e8;font-size:14px;font-weight:600}.solids__slant{color:#ffd98a;border-top:1px solid #ffffff1f;margin-top:8px;padding-top:8px;font-size:13px;font-weight:600}.solids__modes{background:#0f1828;flex-wrap:wrap;gap:8px;padding:12px 18px 6px;display:flex}.solids__mode{color:#dfe8ff;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff24;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:6px;min-width:92px;padding:12px 10px;font-size:14px;font-weight:700;transition:transform .12s,border-color .12s,background .12s;display:flex}.solids__mode:hover:not(:disabled){border-color:#34d399;transform:translateY(-2px)}.solids__mode.is-active{background:#34d39929;border-color:#34d399}.solids__mode:disabled{opacity:.4;cursor:not-allowed}.solids__sliders{background:#0f1828;flex-wrap:wrap;gap:20px;padding:6px 18px 16px;display:flex}.solids__slider{flex-direction:column;flex:1;gap:6px;min-width:180px;display:flex}.solids__slider>span{color:#b9c9e8;font-size:13px;font-weight:600}.solids__slider>span b{color:#eafff6;margin-left:4px;font-size:15px}.solids__slider input[type=range]{accent-color:#34d399;cursor:pointer;height:4px}.deriv{--d-bg:#0b1220;--d-panel:#111a2b;--d-panel-2:#16223a;--d-line:#ffffff12;--d-line-2:#ffffff1f;--d-ink:#eef3fb;--d-ink-soft:#9db0d0;--d-ink-faint:#6b7c9c;--d-em:#34d399;--d-em-soft:#34d39924;--d-em-line:#34d39961;--d-amber:#f0b429;--d-blue:#7ea8ff;background:var(--d-bg);height:100%;color:var(--d-ink);flex-direction:column;display:flex;overflow:hidden}.deriv__bar{background:var(--d-panel);border-bottom:1px solid var(--d-line);align-items:center;gap:20px;padding:13px 22px;display:flex}.deriv__brand{min-width:0}.deriv__eyebrow{font-size:var(--fs-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--d-em);font-weight:700}.deriv__heading{font-family:var(--ff-display);color:var(--d-ink);font-size:19px;font-weight:700;line-height:1.15}.deriv__picker{align-items:center;gap:7px;margin-left:auto;display:flex}.deriv__solid{cursor:pointer;border:1px solid var(--d-line-2);color:var(--d-ink-soft);background:0 0;border-radius:11px;align-items:center;gap:7px;padding:8px 13px;font-size:14px;font-weight:700;transition:border-color .14s,background .14s,color .14s;display:inline-flex}.deriv__solid:hover{border-color:var(--d-em-line);color:var(--d-ink);background:var(--d-panel-2)}.deriv__solid.is-active{background:var(--d-em-soft);border-color:var(--d-em);color:#b9f2da}.deriv__solid-icon{font-size:17px}.deriv__soon{color:var(--d-ink-faint);font-size:12px;font-style:italic;font-weight:600}.deriv__close{cursor:pointer;border:1px solid var(--d-line-2);width:38px;height:38px;color:var(--d-ink-soft);background:0 0;border-radius:11px;font-size:15px;transition:background .14s,color .14s}.deriv__close:hover{color:var(--d-ink);background:#ffffff14}.deriv__body{flex:1;min-height:0;display:flex}.deriv__rail{background:var(--d-panel);border-right:1px solid var(--d-line);flex-direction:column;flex-shrink:0;width:340px;min-height:0;display:flex}.deriv__rail-label{font-size:var(--fs-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--d-ink-faint);margin-bottom:16px;font-weight:800}.deriv__formula{flex-direction:column;flex:1;gap:12px;min-height:0;padding:22px 24px;display:flex;overflow-y:auto}.deriv__frag.is-empty{font-family:var(--ff-body);color:var(--d-ink-faint);font-size:15px;font-style:italic;font-weight:500}.deriv__card{border:1px solid var(--d-line);opacity:.72;background:#ffffff08;border-radius:10px;grid-template-columns:auto 1fr;align-items:baseline;gap:4px 8px;padding:9px 12px;display:grid}.deriv__card-tick{grid-row:1/3;align-self:center;font-size:13px;font-weight:800}.deriv__card.is-volume .deriv__card-tick{color:#6fe6b6}.deriv__card.is-surface .deriv__card-tick{color:#f5c451}.deriv__card.is-lateral .deriv__card-tick{color:#a6c2ff}.deriv__card.is-note .deriv__card-tick{color:var(--d-ink-faint)}.deriv__card-name{font-family:var(--ff-body);color:var(--d-ink-soft);letter-spacing:.01em;font-size:12px;font-weight:800}.deriv__card-math{font-family:var(--ff-display);color:var(--d-ink);font-variant-numeric:tabular-nums;grid-column:2;font-size:16px}.deriv__card-real{font-family:var(--ff-body);color:var(--d-ink-soft);grid-column:2;font-size:12px;font-weight:700}.deriv__current{border-left:4px solid var(--d-line-2);background:#ffffff05;border-radius:14px;padding:14px 16px;animation:.4s deriv-pop}.deriv__current.is-volume{border-left-color:var(--d-em)}.deriv__current.is-surface{border-left-color:var(--d-amber)}.deriv__current.is-lateral{border-left-color:var(--d-blue)}.deriv__current-name{font-family:var(--ff-body);text-transform:uppercase;letter-spacing:.1em;color:var(--d-ink-faint);margin-bottom:10px;font-size:12px;font-weight:800}.deriv__current-body{flex-direction:column;gap:6px;display:flex}.deriv__current-math{font-family:var(--ff-display);color:var(--d-ink);font-variant-numeric:tabular-nums;font-size:26px}.deriv__current-real{font-family:var(--ff-body);color:var(--d-ink-soft);font-size:15px;font-weight:700}.deriv__current.is-volume .deriv__current-real{color:#6fe6b6}.deriv__current.is-surface .deriv__current-real{color:#f5c451}.deriv__current.is-lateral .deriv__current-real{color:#a6c2ff}@keyframes deriv-pop{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.deriv__work{flex-direction:column;gap:8px;display:flex}.deriv__work-line{flex-direction:column;gap:2px;animation:.35s deriv-work-in;display:flex}.deriv__work-say{font-family:var(--ff-body);font-size:var(--fs-xs);letter-spacing:.02em;color:var(--d-ink-faint);font-weight:700}.deriv__work-math{font-family:var(--ff-display);color:var(--d-ink);font-variant-numeric:tabular-nums;font-size:20px}.deriv__work-line.is-new .deriv__work-math{color:#6fe6b6}.deriv__frag.is-surface .deriv__work-line.is-new .deriv__work-math{color:#f5c451}@keyframes deriv-work-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.deriv__work-line,.deriv__frag.is-new{animation:none}}.deriv__stage{background:radial-gradient(130% 95% at 50% 45%, #12203a 0%, var(--d-bg) 64%, #070c17 100%);flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.deriv__stage canvas{display:block}.deriv__lesson-head{flex-shrink:0;padding:20px 44px 6px}.deriv__step-head{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:14px;display:flex}.deriv__progress{color:var(--d-ink-soft);letter-spacing:.02em;font-size:13px;font-weight:800}.deriv__dots{gap:6px;display:flex}.deriv__dot{background:#ffffff2e;border-radius:999px;width:7px;height:7px;transition:background .2s,transform .2s}.deriv__dot.is-done{background:var(--d-em-line)}.deriv__dot.is-on{background:var(--d-em);transform:scale(1.4)}.deriv__real{background:var(--d-em-soft);border:1px solid var(--d-em-line);color:#b9f2da;border-radius:999px;align-items:center;gap:7px;margin:0 0 0 auto;padding:6px 13px;font-size:13px;font-weight:700;display:inline-flex}.deriv__real-icon{font-size:16px}.deriv__stage-prompt{text-align:center;font-family:var(--ff-display);color:var(--d-ink);text-wrap:balance;margin:0;font-size:27px;font-weight:600;line-height:1.25;animation:.4s deriv-prompt-in}@keyframes deriv-prompt-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.deriv__stage-prompt{animation:none}}.deriv__scene{flex:1;min-height:0;position:relative}.deriv__layer{opacity:0;pointer-events:none;transition:opacity .45s;position:absolute;inset:0 0 12%}.deriv__layer.is-on{opacity:1;pointer-events:auto}.deriv__layer--3d{z-index:1}.deriv__layer--2d{z-index:2;place-items:center;display:grid}.deriv__svg{filter:drop-shadow(0 12px 30px #00000073);width:min(66%,60vh);height:min(66%,60vh)}@media (prefers-reduced-motion:reduce){.deriv__layer{transition:none}}.lbl3d{pointer-events:none;white-space:nowrap;flex-direction:column;align-items:center;display:flex;position:relative}.lbl3d__text{font-family:var(--ff-body);font-size:var(--fs-xs);color:var(--d-ink-soft);text-align:center;border:1px solid var(--d-line-2);background:#0b1220e0;border-radius:8px;padding:4px 9px;font-weight:700;line-height:1.2;box-shadow:0 5px 14px #0006}.lbl3d__text b{color:#6fe6b6;font-family:var(--ff-display);font-size:13px}.lbl3d__text.is-surface b{color:#f5c451}.lbl3d__line{background:linear-gradient(var(--d-em), transparent);width:2px;height:18px}.lbl3d__line.is-surface{background:linear-gradient(#f0b429,#0000)}.lbl3d__line:after{content:"";background:var(--d-em);border-radius:999px;width:7px;height:7px;position:absolute;bottom:-3px;left:50%;transform:translate(-50%)}.lbl3d__line.is-surface:after{background:#f0b429}.deriv__lesson-foot{flex-shrink:0;padding:6px 44px 22px}.deriv__nav{gap:12px;max-width:560px;margin-inline:auto;display:flex}.deriv__btn{cursor:pointer;border:1px solid var(--d-line-2);color:var(--d-ink);background:0 0;border-radius:12px;padding:13px 22px;font-size:16px;font-weight:800;transition:transform .12s,border-color .12s,background .12s}.deriv__btn:hover:not(:disabled){border-color:var(--d-em);background:var(--d-panel-2);transform:translateY(-1px)}.deriv__btn:disabled{opacity:.35;cursor:not-allowed}.deriv__btn.is-primary{background:var(--d-em);border-color:var(--d-em);color:#06281d;flex:1}.deriv__btn.is-primary:hover{background:#4ade9f;background:color-mix(in srgb, var(--d-em) 88%, white)}.mlab__stage{touch-action:none;background:radial-gradient(130% 120% at 50% 12%,#101d34 0%,#0a1120 68%,#070c17 100%)}.mlab__stage canvas{width:100%;height:100%;display:block}.mlab__predict{z-index:4;text-align:center;overscroll-behavior:contain;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:radial-gradient(120% 90% at 50% 40%,#080d189e,#080d18e6);flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:clamp(14px,3vw,28px);animation:.3s why-in;display:flex;position:absolute;inset:0;overflow:hidden auto}.mlab__predict-eyebrow{letter-spacing:.16em;color:#ffca6b;font-size:12px;font-weight:800}.mlab__predict-q{font-family:var(--ff-display);color:#f2f6ff;max-width:620px;font-size:clamp(19px,3.2vw,27px);font-weight:600;line-height:1.3}.mlab__predict-opts{flex-wrap:wrap;justify-content:center;gap:12px;width:100%;max-width:min(640px,100%);display:flex}.mlab__predict-opt{cursor:pointer;color:#eaf1ff;font-weight:700;font-size:var(--fs-sm);font-family:var(--ff-body);background:#ffffff0f;border:1.5px solid #96b4ff57;border-radius:14px;flex:auto;min-width:min(200px,100%);max-width:100%;padding:13px clamp(14px,2.4vw,22px);transition:transform .12s,border-color .12s,background .12s}.mlab__predict-opt:hover{background:#5a8cff2e;border-color:#7fb0ff;transform:translateY(-3px)}.mlab__predict-note{color:#93a4c6;max-width:440px;font-size:12.5px}.mlab__cta{z-index:4;flex-direction:column;align-items:center;gap:12px;width:calc(100% - clamp(16px,5vw,40px));max-width:560px;animation:.3s why-in;display:flex;position:absolute;bottom:20px;left:50%;transform:translate(-50%)}.mlab__feedback{color:#dfe8ff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0d1626f0;border:1px solid #ffffff24;border-radius:13px;width:100%;padding:12px 16px;font-size:14px;line-height:1.5}.mlab__feedback.is-right{border-color:#2dd47f80}.mlab__feedback.is-right b{color:#7fffd0}.mlab__feedback.is-rethink{border-color:#ffc46b8c}.mlab__feedback.is-rethink b{color:#ffca6b}.mlab__reveal{cursor:pointer;color:#fff;font-size:15px;font-weight:800;font-family:var(--ff-body);background:linear-gradient(#2f8c4f,#1f7a4a);border:none;border-radius:999px;padding:13px 26px;transition:transform .12s;box-shadow:0 14px 30px -10px #1f7a4acc}.mlab__reveal:hover{transform:translateY(-2px)}.mlab__conclude-backdrop{z-index:20;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#060a148c;justify-content:center;align-items:center;padding:24px;animation:.25s mlab-fade;display:flex;position:absolute;inset:0}@keyframes mlab-fade{0%{opacity:0}to{opacity:1}}.mlab__conclude{background:linear-gradient(#142036fa,#0d1526fc);border:1px solid #96b4ff3d;border-radius:22px;flex-wrap:wrap;align-items:flex-start;gap:14px clamp(20px,2.6vw,32px);width:min(660px,100%);max-height:calc(100% - 48px);padding:26px 28px;animation:.34s cubic-bezier(.2,.9,.25,1.1) mlab-pop;display:flex;position:relative;overflow-y:auto;box-shadow:0 30px 80px -24px #000c}.mlab__conclude.has-aside{width:min(1040px,100%)}.mlab__conclude-main{flex:340px;min-width:0}.mlab__conclude-aside{flex:290px;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));align-content:start;align-self:stretch;gap:10px;min-width:0;display:grid}@keyframes mlab-pop{0%{opacity:0;transform:translateY(16px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.mlab__conclude-eyebrow{font-size:var(--fs-xs);letter-spacing:.16em;color:#7fffd0;font-weight:800}.mlab__conclude-head{font-family:var(--ff-display);color:#f2f6ff;margin-top:4px;font-size:clamp(20px,3vw,26px);font-weight:600;line-height:1.25}.mlab__conclude-body{color:#d5def2;margin-top:10px;font-size:15px;line-height:1.6}.mlab__conclude-body b{color:#fff}.mlab__term{background:#5a8cff1a;border-left:3px solid #5b8cff;border-radius:12px;flex-direction:column;gap:2px;padding:11px 14px;display:flex}.mlab__term-name{color:#cfe0ff;font-size:14px;font-weight:800}.mlab__term-def{color:#b9c6e2;font-size:13.5px;line-height:1.5}.mlab__curiosity{color:#ffe0a3;background:#ffca6b1a;border:1px dashed #ffca6b80;border-radius:12px;grid-column:1/-1;align-items:flex-start;gap:10px;padding:12px 14px;font-size:14px;line-height:1.5;display:flex}.mlab__curiosity-q{color:#0a1120;background:#ffca6b;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-weight:900;display:grid}.mlab__conclude-actions{flex:1 0 100%;gap:10px;display:flex}.mlab__again,.mlab__done{cursor:pointer;font-size:14px;font-weight:800;font-family:var(--ff-body);border-radius:12px;flex:1;padding:12px;transition:transform .12s}.mlab__again{color:#dfe8ff;background:#ffffff14;border:1px solid #ffffff29}.mlab__done{color:#fff;background:linear-gradient(#2f8c4f,#1f7a4a);border:none}.mlab__again:hover,.mlab__done:hover{transform:translateY(-2px)}.mlab__controls{z-index:3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0a112099;border:1px solid #ffffff1a;border-radius:14px;flex-wrap:wrap;justify-content:center;gap:8px;padding:6px;display:flex;position:absolute;top:16px;left:50%;transform:translate(-50%)}.mlab__chip{cursor:pointer;font-size:13.5px;font-weight:700;font-family:var(--ff-body);color:#b9c6e2;background:0 0;border:1px solid #0000;border-radius:10px;padding:8px 15px;transition:all .14s}.mlab__chip:hover{color:#eaf1ff;background:#ffffff0f}.mlab__chip.is-on{color:#0a1120;background:#ffca6b;border-color:#ffca6b}.mlab__readout{z-index:3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#eaf1ff;text-align:center;background:#0a1120b3;border:1px solid #ffffff1a;border-radius:12px;min-width:92px;padding:10px 14px;font-size:13px;font-weight:700;position:absolute;top:16px;right:16px}.mlab__readout small{font-size:var(--fs-xs);letter-spacing:.1em;color:#93a4c6;font-weight:800;display:block}.mlab__building{color:#7f8db0;place-items:center;font-weight:700;display:grid;position:absolute;inset:0}.mlab__controls--labelled{align-items:center;padding-left:12px}.mlab__controls-label{font-size:var(--fs-xs);letter-spacing:.14em;color:#93a4c6;padding:0 4px;font-weight:800}.mlab5{background:var(--paper);color:var(--ink)}.mlab5__bar{background:var(--surface);border-bottom:2px solid var(--paper-edge);box-shadow:var(--shadow-card);flex-wrap:wrap;flex:none;align-items:center;gap:clamp(10px,1.6vw,16px);padding:clamp(10px,1.6vw,16px) clamp(12px,2.2vw,24px);display:flex}.mlab5__icon{font-size:var(--fs-xl);background:var(--emerald-soft);border:1px solid var(--emerald-line);border-radius:16px;flex:none;place-items:center;width:clamp(40px,5vw,56px);height:clamp(40px,5vw,56px);display:grid}.mlab5__titles{flex:min(240px,100%);min-width:0}.mlab5__eyebrow{font-size:var(--fs-xs);color:var(--emerald-deep);letter-spacing:clamp(.04em,.6vw,.14em);overflow-wrap:break-word;font-weight:800}.mlab5__title{font-family:var(--ff-display);font-size:var(--fs-lg);color:var(--ink);overflow-wrap:break-word;font-weight:600;line-height:1.15}.mlab5__tally{font-size:var(--fs-sm);color:var(--ink-soft);text-align:center;background:var(--paper-2);border:1px solid var(--paper-edge);border-radius:999px;flex:0 auto;min-width:0;padding:8px clamp(10px,1.6vw,16px);font-weight:600}.mlab5__tally b{color:var(--emerald-deep)}.mlab5__iconbtn{cursor:pointer;width:46px;height:46px;font-size:20px;font-family:var(--ff-body);background:var(--paper-2);border:1px solid var(--paper-edge);color:var(--ink-soft);border-radius:12px;flex:none;place-items:center;transition:background .15s,transform .1s;display:grid}.mlab5__iconbtn:hover{background:var(--emerald-soft);color:var(--emerald-deep);transform:translateY(-1px)}.mlab5__stage{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:radial-gradient(140% 120% at 50% 0%, var(--surface) 0%, var(--paper) 55%, var(--paper-2) 100%);flex:1;min-height:0;position:relative;overflow:hidden auto}.mlab5__stage canvas,.mlab5__stage svg{display:block}.mlab5__predict{z-index:6;overscroll-behavior:contain;padding:var(--gap-card);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#f4ecda8c;justify-content:center;align-items:center;animation:.25s mlab5-fade;display:flex;position:absolute;inset:0;overflow-y:auto}.mlab5__predict-card{text-align:center;width:100%;max-width:760px;padding:var(--pad-card);border-radius:var(--radius);background:var(--surface);border:1px solid var(--paper-edge);box-shadow:var(--shadow-lift);margin:auto;animation:.32s cubic-bezier(.34,1.56,.64,1) mlab5-pop}.mlab5__predict-eyebrow{font-size:var(--fs-xs);letter-spacing:.14em;color:var(--amber-ink);font-weight:800}.mlab5__predict-q{font-family:var(--ff-display);font-size:var(--fs-xl);color:var(--ink);text-wrap:balance;max-width:620px;margin:12px auto clamp(14px,2.4vw,22px);font-weight:600;line-height:1.25}.mlab5__predict-opts{gap:var(--gap-card);flex-wrap:wrap;justify-content:center;display:flex}.mlab5__predict-opt{cursor:pointer;font-size:var(--fs-md);font-weight:700;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink);border-radius:16px;flex:auto;justify-content:center;align-items:center;gap:10px;min-width:min(220px,100%);padding:clamp(12px,1.8vw,16px) clamp(16px,2.6vw,24px);transition:transform .14s cubic-bezier(.34,1.56,.64,1),border-color .14s,background .14s;display:flex}.mlab5__predict-opt:hover{border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-4px)scale(1.03)}.mlab5__predict-emoji{font-size:var(--fs-lg)}.mlab5__predict-note{font-size:var(--fs-sm);color:var(--ink-faint);margin-top:clamp(14px,2.4vw,22px)}.mlab5__cta{z-index:7;flex-direction:column;align-items:center;gap:clamp(10px,1.6vw,14px);width:min(720px,100% - clamp(24px,26vw,340px));animation:.3s mlab5-rise;display:flex;position:absolute;bottom:clamp(14px,3vw,26px);left:50%;transform:translate(-50%)}.mlab5__feedback{font-size:var(--fs-md);text-align:center;background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);color:var(--ink-soft);border-radius:16px;padding:clamp(12px,1.8vw,16px) clamp(16px,2.4vw,22px);line-height:1.5}.mlab5__feedback.is-right{border-color:var(--emerald-line);background:var(--emerald-soft)}.mlab5__feedback.is-right b{color:var(--emerald-deep)}.mlab5__feedback.is-rethink{border-color:var(--amber);background:var(--amber-soft)}.mlab5__feedback.is-rethink b{color:var(--amber-ink)}.mlab5__reveal{cursor:pointer;font-size:var(--fs-md);font-weight:800;font-family:var(--ff-body);color:#fff;background:linear-gradient(180deg, var(--emerald-2), var(--emerald));box-shadow:var(--shadow-card);border:none;border-radius:14px;padding:clamp(12px,1.8vw,16px) clamp(20px,3.4vw,32px);transition:transform .12s}.mlab5__reveal:hover{transform:translateY(-2px)scale(1.02)}.mlab5__conclude-backdrop{z-index:8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1f1b1647;place-items:center;padding:12px;animation:.25s mlab5-fade;display:grid;position:absolute;inset:0}.mlab5__conclude{border-radius:var(--radius);background:var(--surface);border:1px solid var(--paper-edge);width:min(720px,100%);max-height:calc(100% - 20px);box-shadow:var(--shadow-lift);flex-wrap:wrap;align-items:flex-start;gap:clamp(10px,1.4vw,15px) clamp(20px,2.6vw,34px);padding:clamp(16px,2.2vw,26px) clamp(18px,3vw,30px);animation:.36s cubic-bezier(.34,1.56,.64,1) mlab5-pop;display:flex;overflow-y:auto}.mlab5__conclude.has-aside{width:min(1080px,100%)}.mlab5__conclude-main{flex:360px;min-width:0}.mlab5__conclude-aside{flex:300px;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));align-content:start;align-self:stretch;gap:10px;min-width:0;display:grid}.mlab5__conclude-eyebrow{font-size:var(--fs-xs);letter-spacing:.14em;color:var(--emerald-deep);font-weight:800}.mlab5__conclude-head{font-family:var(--ff-display);font-size:var(--fs-xl);color:var(--ink);text-wrap:balance;margin-top:6px;font-weight:600;line-height:1.15}.mlab5__conclude-body{font-size:var(--fs-md);color:var(--ink-soft);margin-top:12px;line-height:1.5}.mlab5__conclude-body b{color:var(--ink)}.mlab5__term{background:var(--emerald-soft);border:1px solid var(--emerald-line);border-radius:12px;padding:10px 14px}.mlab5__term-name{color:var(--emerald-deep);font-weight:800;font-size:var(--fs-sm);display:block}.mlab5__term-def{font-size:var(--fs-sm);color:var(--ink-soft);margin-top:2px;line-height:1.4;display:block}.mlab5__curiosity{background:var(--amber-soft);border:1px dashed var(--amber);color:var(--amber-ink);font-size:var(--fs-sm);border-radius:12px;grid-column:1/-1;align-items:flex-start;gap:10px;padding:10px 14px;line-height:1.4;display:flex}.mlab5__curiosity-q{color:#fff;background:var(--amber);border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:16px;font-weight:900;display:grid}.mlab5__conclude-actions{flex-wrap:wrap;flex:1 0 100%;gap:12px;display:flex}.mlab5__again,.mlab5__done{cursor:pointer;font-weight:800;font-size:var(--fs-sm);font-family:var(--ff-body);border-radius:14px;flex:140px;padding:clamp(12px,1.8vw,16px);transition:transform .12s}.mlab5__again{background:var(--paper-2);border:1px solid var(--paper-edge);color:var(--ink-soft)}.mlab5__done{background:linear-gradient(180deg, var(--emerald-2), var(--emerald));color:#fff;border:none}.mlab5__again:hover,.mlab5__done:hover{transform:translateY(-2px)}@media (height<=640px){.mlab5__conclude-backdrop,.mlab__conclude-backdrop{padding:10px}.mlab5__conclude,.mlab__conclude{--fs-xs:11px;--fs-sm:12.5px;--fs-md:13.5px;--fs-xl:19px;row-gap:9px;max-height:calc(100% - 12px);padding:13px 18px}.mlab5__conclude-head,.mlab__conclude-head{margin-top:3px}.mlab5__conclude-body,.mlab__conclude-body{margin-top:7px}.mlab5__conclude-main,.mlab__conclude-main{flex:296px}.mlab5__conclude-aside,.mlab__conclude-aside{flex:384px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.mlab5__term,.mlab5__curiosity,.mlab__term,.mlab__curiosity{padding:8px 11px}.mlab5__again,.mlab5__done,.mlab__again,.mlab__done{padding:9px}.mlab5__curiosity-q,.mlab__curiosity-q{width:22px;height:22px;font-size:13px}.mlab__conclude-head{font-size:clamp(17px,2.4vw,20px)}.mlab__conclude-body{font-size:13.5px;line-height:1.45}.mlab__term-name{font-size:12.5px}.mlab__term-def,.mlab__curiosity{font-size:12.5px;line-height:1.4}}@keyframes mlab5-fade{0%{opacity:0}to{opacity:1}}@keyframes mlab5-pop{0%{opacity:0;transform:scale(.92)translateY(8px)}to{opacity:1;transform:none}}@keyframes mlab5-rise{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}@keyframes measlab-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.measlab__svg{width:100%;height:100%;display:block;position:absolute;inset:0}.measlab__table{z-index:4;background:var(--surface);border:1px solid var(--paper-edge);width:320px;box-shadow:var(--shadow-lift);font-family:var(--ff-body);border-radius:18px;max-height:calc(100% - 48px);padding:18px 20px;position:absolute;top:24px;right:24px;overflow-y:auto}.measlab__table-title{letter-spacing:.08em;color:var(--emerald-deep);margin-bottom:12px;font-size:14px;font-weight:800}.measlab__row{border-top:1px solid var(--rule-soft);grid-template-columns:1fr 96px;align-items:center;gap:8px;padding:10px 0;display:grid}.measlab__row--head{letter-spacing:.05em;color:var(--ink-faint);border-top:none;padding-bottom:4px;font-size:13px;font-weight:800}.measlab__row--btn{text-align:left;border-top:1px solid var(--rule-soft);cursor:pointer;width:100%;font-family:var(--ff-body);background:0 0;border-bottom:none;border-left:none;border-right:none;border-radius:0;transition:background .14s}.measlab__row--btn:hover:not(:disabled){background:var(--paper)}.measlab__row--btn:disabled{cursor:default}.measlab__row.is-active{background:var(--emerald-soft);box-shadow:inset 0 0 0 1px var(--emerald-line);border-radius:10px}.measlab__name{font-size:var(--fs-md);color:var(--ink);overflow-wrap:break-word;min-width:0;font-weight:700}.measlab__len{font-size:var(--fs-md);color:var(--ink-faint);text-align:right;font-weight:800}.measlab__row.is-done .measlab__len{color:var(--emerald-deep)}.measlab__step{z-index:5;background:var(--surface);border:2px solid var(--paper-edge);width:calc(100% - 400px);max-width:780px;box-shadow:var(--shadow-lift);color:var(--ink-soft);border-radius:18px;align-items:center;gap:16px;padding:18px 22px;font-size:18px;line-height:1.45;animation:.28s mlab5-rise;display:flex;position:absolute;bottom:26px;left:50%;transform:translate(-50%)}.measlab__step.is-ok{border-color:var(--emerald-line);background:var(--emerald-soft)}.measlab__step b{color:var(--emerald-deep)}.measlab__step-n{color:#fff;background:var(--amber);border-radius:50%;flex:none;place-items:center;width:36px;height:36px;font-size:18px;font-weight:900;display:grid}.measlab__step.is-ok .measlab__step-n{background:var(--emerald)}.measlab__record{cursor:pointer;font-family:var(--ff-body);white-space:nowrap;background:linear-gradient(180deg, var(--emerald-2), var(--emerald));color:#fff;box-shadow:var(--shadow-card);border:none;border-radius:12px;flex:none;margin-left:auto;padding:14px 22px;font-size:17px;font-weight:800;transition:transform .12s}.measlab__record:hover{transform:translateY(-2px)scale(1.02)}.hspan__friends{z-index:4;flex-direction:column;gap:10px;display:flex;position:absolute;top:24px;left:24px}.hspan__friend{cursor:pointer;width:190px;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:14px;align-items:center;gap:12px;padding:12px 16px;transition:transform .14s cubic-bezier(.34,1.5,.64,1),border-color .14s;display:flex}.hspan__friend:hover:not(:disabled){border-color:var(--emerald);transform:translate(4px)}.hspan__friend:disabled{cursor:default}.hspan__friend.is-done{border-color:var(--emerald-line);background:var(--emerald-soft);opacity:1}.hspan__friend.is-busy{border-color:var(--amber);background:var(--amber-soft);animation:.9s ease-in-out infinite hspan-pulse}.hspan__friend-emoji{flex:none;font-size:28px}.hspan__friend-name{color:var(--ink);flex:1;font-size:18px;font-weight:700}.hspan__friend-count{color:#fff;background:var(--emerald);border-radius:10px;flex:none;place-items:center;min-width:34px;height:34px;padding:0 6px;font-size:18px;font-weight:800;display:grid}@keyframes hspan-pulse{0%,to{transform:translate(0)}50%{transform:translate(3px)}}.uladder{box-sizing:border-box;overscroll-behavior:contain;flex-direction:column;align-items:center;gap:14px;padding:18px clamp(12px,3vw,36px) 0;display:flex;position:absolute;inset:0 0 clamp(88px,18vh,172px);overflow:hidden auto}.uladder__cols{flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:clamp(14px,2.4vw,28px);display:flex}.uladder__rail{flex-direction:column;flex:none;gap:10px;width:min(470px,100%);display:flex}.uladder__rung{text-align:left;cursor:pointer;width:100%;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:15px;grid-template-columns:42px 146px 1fr auto;align-items:center;gap:14px;padding:11px 20px;transition:border-color .16s,transform .16s,box-shadow .16s;display:grid;position:relative}.uladder__rung:hover{transform:translate(2px)}.uladder__rung.is-set{border-color:var(--rung);box-shadow:var(--shadow-lift);transform:scale(1.015)}.uladder__rung.is-drop{border-style:dashed;border-color:var(--amber);background:var(--amber-soft)}.uladder__rung.is-drop:hover{transform:scale(1.02)}.uladder__rung-drop{color:var(--amber-ink);font-size:15px;font-weight:800}.uladder__rung-emoji{font-size:30px}.uladder__rung-unit{flex-direction:column;line-height:1.1;display:flex}.uladder__rung-unit b{color:var(--ink);font-size:19px}.uladder__rung-unit small{color:var(--ink-faint);font-size:14px;font-weight:700}.uladder__rung-val{font-family:var(--ff-body);color:var(--rung);text-align:right;font-size:26px;font-weight:800;animation:.32s uladder-flip}.uladder__rung-val em{color:var(--ink-faint);font-size:16px;font-style:normal}.uladder__step{z-index:2;color:var(--ink-soft);background:var(--paper-2);border:1px solid var(--paper-edge);border-radius:999px;padding:2px 10px;font-size:14px;font-weight:800;position:absolute;bottom:-13px;left:78px}@keyframes uladder-flip{0%{opacity:.2;transform:translateY(-6px)}to{opacity:1;transform:none}}.uladder__side{flex-direction:column;flex:none;gap:12px;width:360px;display:flex}.uladder__presets{background:var(--surface);border:1px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:999px;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;padding:10px 18px;display:flex}.uladder__presets-title{color:var(--ink-soft);font-size:15px;font-weight:700}.uladder__preset{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink);border-radius:12px;padding:10px 16px;font-size:16px;font-weight:700;transition:transform .12s,border-color .12s,background .12s}.uladder__preset:hover{border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-2px)}.uladder__match{background:var(--surface);border:1px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:16px;padding:12px 16px}.uladder__match-title{color:var(--emerald-deep);margin-bottom:6px;font-size:14px;font-weight:800}.uladder__match-items{flex-direction:column;gap:6px;display:flex}.uladder__chip{text-align:left;cursor:pointer;width:100%;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink);border-radius:12px;align-items:center;gap:10px;padding:9px 12px;transition:transform .12s,border-color .12s,background .12s;display:flex}.uladder__chip:hover{transform:translate(3px)}.uladder__chip.is-picked{border-color:var(--amber);background:var(--amber-soft)}.uladder__chip.is-right{border-color:var(--emerald-line);background:var(--emerald-soft);cursor:default}.uladder__chip.is-wrong{border-color:var(--coral-line);background:var(--coral-soft)}.uladder__chip-emoji{flex:none;font-size:27px}.uladder__chip-label{flex:1;font-size:17px;font-weight:700}.uladder__chip-tag{background:var(--paper-2);color:var(--ink-soft);border-radius:999px;flex:none;padding:3px 10px;font-size:14px;font-weight:800}.uladder__chip.is-right .uladder__chip-tag{background:var(--emerald);color:#fff}.uladder__match-hint{color:var(--ink-soft);margin-top:9px;font-size:13.5px;line-height:1.35}.motion__buckets{z-index:6;text-align:center;background:var(--surface);border:2px solid var(--paper-edge);width:calc(100% - 80px);max-width:860px;box-shadow:var(--shadow-lift);border-radius:18px;padding:18px 22px;animation:.28s mlab5-rise;position:absolute;bottom:24px;left:50%;transform:translate(-50%)}.motion__buckets-title{color:var(--ink-soft);margin-bottom:12px;font-size:18px}.motion__buckets-title b{color:var(--emerald-deep)}.motion__buckets-row{justify-content:center;gap:12px;display:flex}.motion__bucket{cursor:pointer;max-width:240px;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink);border-radius:14px;flex-direction:column;flex:1;align-items:center;gap:3px;padding:12px 14px;transition:transform .12s cubic-bezier(.34,1.5,.64,1),border-color .12s,background .12s;display:flex}.motion__bucket:hover{border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-3px)}.motion__bucket.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.motion__bucket-ic{font-size:24px}.motion__bucket-label{font-size:17px;font-weight:800}.motion__bucket-hint{color:var(--ink-faint);font-size:14px}.motion__buckets-oops{color:var(--coral-ink);margin-top:10px;font-size:14px;font-weight:700}@keyframes motion-shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.matlab{box-sizing:border-box;overscroll-behavior:contain;flex-direction:column;align-items:center;gap:16px;padding:clamp(14px,2.4vw,22px) clamp(12px,3.2vw,40px) 0;display:flex;position:absolute;inset:0 0 clamp(88px,18vh,172px);overflow:hidden auto}.matlab__objects{flex-wrap:wrap;justify-content:center;gap:14px;max-width:900px;display:flex}.matlab__obj{cursor:pointer;width:128px;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:16px;flex-direction:column;align-items:center;gap:4px;padding:14px 10px 12px;transition:transform .14s cubic-bezier(.34,1.5,.64,1),border-color .14s,background .14s;display:flex}.matlab__obj:hover:not(:disabled){border-color:var(--emerald);transform:translateY(-4px)}.matlab__obj:disabled{cursor:default;opacity:.55}.matlab__obj.is-active{border-color:var(--amber);background:var(--amber-soft);transform:translateY(-4px)scale(1.03)}.matlab__obj.is-done{border-color:var(--emerald-line);background:var(--emerald-soft)}.matlab__obj-emoji{font-size:40px;line-height:1}.matlab__obj-label{color:var(--ink);font-size:16px;font-weight:700}.matlab__obj-mat{color:#fff;background:var(--emerald);border-radius:999px;margin-top:2px;padding:2px 10px;font-size:14px;font-weight:800}.matlab__pick{text-align:center;background:var(--surface);border:2px dashed var(--amber);box-shadow:var(--shadow-lift);border-radius:18px;flex-direction:column;align-items:center;gap:12px;padding:16px 22px;animation:.24s mlab5-pop;display:flex}.matlab__pick-q{color:var(--ink-soft);font-size:19px}.matlab__pick-q b{color:var(--amber-ink)}.matlab__pick-chips{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.matlab__pick-chip{cursor:pointer;font-family:var(--ff-body);color:var(--ink);background:var(--paper);border:2px solid var(--paper-edge);border-radius:12px;padding:12px 20px;font-size:17px;font-weight:800;transition:transform .12s,border-color .12s,background .12s}.matlab__pick-chip:hover{border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-2px)}.matlab__table{z-index:4;background:var(--surface);border:1px solid var(--paper-edge);width:300px;box-shadow:var(--shadow-lift);font-family:var(--ff-body);border-radius:18px;max-height:calc(100% - 200px);padding:16px 18px;position:absolute;top:20px;right:24px;overflow-y:auto}.matlab__table-title{letter-spacing:.06em;color:var(--emerald-deep);margin-bottom:10px;font-size:14px;font-weight:800}.matlab__trow{border-top:1px solid var(--rule-soft);grid-template-columns:1fr 96px;align-items:center;gap:8px;padding:8px 0;display:grid}.matlab__trow--head{letter-spacing:.05em;color:var(--ink-faint);border-top:none;font-size:13px;font-weight:800}.matlab__tname{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:700;overflow:hidden}.matlab__tmat{color:var(--ink-faint);text-align:right;font-size:15px;font-weight:800}.matlab__trow.is-done .matlab__tmat{color:var(--emerald-deep)}.matlab__step{background:var(--surface);border:2px solid var(--paper-edge);width:100%;max-width:820px;box-shadow:var(--shadow-lift);color:var(--ink-soft);border-radius:18px;align-items:center;gap:16px;margin-top:auto;padding:16px 22px;font-size:18px;line-height:1.45;animation:.28s mlab5-rise;display:flex}.matlab__step.is-ok{border-color:var(--emerald-line);background:var(--emerald-soft)}.matlab__step b{color:var(--emerald-deep)}.matlab__step-n{color:#fff;background:var(--amber);border-radius:50%;flex:none;place-items:center;width:36px;height:36px;font-size:18px;font-weight:900;display:grid}.matlab__step.is-ok .matlab__step-n{background:var(--emerald)}.matlab__next,.matlab__prop-check{white-space:nowrap}.matlab__next{cursor:pointer;font-family:var(--ff-body);background:linear-gradient(180deg, var(--emerald-2), var(--emerald));color:#fff;box-shadow:var(--shadow-card);border:none;border-radius:12px;flex:none;margin-left:auto;padding:14px 22px;font-size:17px;font-weight:800;transition:transform .12s}.matlab__next:hover{transform:translateY(-2px)scale(1.02)}.matlab--group{justify-content:flex-start;gap:18px}.matlab__props{background:var(--surface);border:1px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:999px;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;padding:12px 20px;display:flex}.matlab__props-label{color:var(--ink-soft);font-size:16px;font-weight:700}.matlab__prop{cursor:pointer;font-family:var(--ff-body);color:var(--ink);background:var(--paper);border:2px solid var(--paper-edge);border-radius:12px;align-items:center;gap:8px;padding:11px 18px;font-size:17px;font-weight:800;transition:transform .12s,border-color .12s,background .12s;display:inline-flex}.matlab__prop:hover{border-color:var(--emerald);transform:translateY(-2px)}.matlab__prop.is-on{border-color:var(--emerald);background:var(--emerald-soft);color:var(--emerald-deep)}.matlab__prop.is-done{border-color:var(--emerald-line)}.matlab__prop-emoji{font-size:22px}.matlab__prop-check{color:var(--emerald);font-weight:900}.msort{flex-direction:column;align-items:center;gap:14px;width:100%;max-width:980px;display:flex}.msort__instruction{color:var(--ink-soft);text-align:center;font-size:17px}.msort__tray{box-sizing:border-box;background:var(--paper-2);border:1px dashed var(--paper-edge);border-radius:16px;flex-wrap:wrap;justify-content:center;gap:12px;width:100%;min-height:66px;padding:12px 16px;display:flex}.msort__tray-empty{color:var(--emerald-deep);align-self:center;font-size:17px;font-weight:800}.msort__chip{cursor:grab;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:12px;align-items:center;gap:8px;padding:10px 16px;transition:transform .12s cubic-bezier(.34,1.5,.64,1),border-color .12s;display:flex}.msort__chip:hover{border-color:var(--emerald);transform:translateY(-3px)}.msort__chip.is-selected{border-color:var(--amber);background:var(--amber-soft);transform:translateY(-3px)scale(1.04)}.msort__chip-emoji{font-size:28px}.msort__chip-label{color:var(--ink);font-size:17px;font-weight:700}.msort__pickhint{color:var(--amber-ink);font-size:16px;font-weight:700}.msort__pickhint b{color:var(--amber-ink)}.msort__bins{gap:16px;width:100%;display:grid}.msort__bin{cursor:pointer;background:var(--surface);border:2px solid var(--paper-edge);min-height:150px;box-shadow:var(--shadow-card);border-radius:18px;flex-direction:column;gap:10px;padding:14px 16px;transition:border-color .14s,background .14s,transform .14s;display:flex}.msort__bin.is-armed{border-style:dashed;border-color:var(--emerald)}.msort__bin.is-armed:hover{background:var(--emerald-soft);transform:translateY(-2px)}.msort__bin.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.34s motion-shake}.msort__bin-head{border-bottom:1px solid var(--rule-soft);align-items:baseline;gap:10px;padding-bottom:8px;display:flex}.msort__bin-label{font-family:var(--ff-display);color:var(--ink);font-size:22px;font-weight:600}.msort__bin-hint{color:var(--ink-faint);font-size:14px;font-weight:700}.msort__bin-items{flex-wrap:wrap;flex:1;align-content:flex-start;gap:8px;display:flex}.msort__bin-empty{color:var(--ink-ghost);align-self:center;margin:auto;font-size:15px}.msort__placed{background:var(--emerald-soft);border:1px solid var(--emerald-line);border-radius:10px;align-items:center;gap:6px;padding:7px 12px;display:inline-flex}.msort__placed.is-pop{animation:.4s cubic-bezier(.34,1.56,.64,1) mlab5-pop}.msort__placed-emoji{font-size:22px}.msort__placed-label{color:var(--emerald-deep);font-size:15px;font-weight:700}.msort__done{color:var(--emerald-deep);text-align:center;font-size:18px;font-weight:800}.bounce__svg{height:calc(100% - 210px)!important}.dissolve__svg{height:calc(100% - 200px)!important}.dissolve__table{width:380px}.dissolve__row3{grid-template-columns:1.3fr 70px 96px!important}.dissolve__cell{color:var(--ink-faint);text-align:right;font-size:15px;font-weight:800}.dissolve__row3.is-done .dissolve__obs{color:var(--emerald-deep)}.dissolve__predict{gap:10px;margin-left:auto;display:flex}.dissolve__pbtn{cursor:pointer;font-family:var(--ff-body);white-space:nowrap;color:var(--ink);background:var(--paper);border:2px solid var(--paper-edge);border-radius:12px;padding:12px 18px;font-size:16px;font-weight:800;transition:transform .12s,border-color .12s,background .12s}.dissolve__pbtn:hover{border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-2px)}.seethrough__svg{height:calc(100% - 190px)!important}.seethrough__picker{z-index:4;background:var(--surface);border:1px solid var(--paper-edge);width:320px;box-shadow:var(--shadow-lift);border-radius:18px;flex-direction:column;gap:8px;padding:16px 18px;display:flex;position:absolute;top:24px;right:24px}.seethrough__picker-title{letter-spacing:.06em;color:var(--emerald-deep);margin-bottom:4px;font-size:14px;font-weight:800}.seethrough__obj{cursor:pointer;width:100%;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:11px 14px;transition:transform .12s cubic-bezier(.34,1.5,.64,1),border-color .12s,background .12s;display:flex}.seethrough__obj:hover:not(:disabled){border-color:var(--emerald);transform:translate(-3px)}.seethrough__obj:disabled{cursor:default}.seethrough__obj.is-active{border-color:var(--amber);background:var(--amber-soft)}.seethrough__obj.is-done{background:var(--surface)}.seethrough__obj-name{font-size:17px;font-weight:700}.seethrough__obj-tag{background:var(--paper-2);color:var(--ink-faint);border-radius:999px;flex:none;padding:3px 12px;font-size:14px;font-weight:800}.seethrough__obj-tag.is-todo{color:var(--ink-ghost)}.seethrough__obj-tag.is-transparent{background:var(--emerald);color:#fff}.seethrough__obj-tag.is-translucent{background:var(--amber);color:#fff}.seethrough__obj-tag.is-opaque{background:var(--ink-soft);color:#fff}.seethrough__buckets{z-index:6;text-align:center;background:var(--surface);border:2px solid var(--paper-edge);width:calc(100% - 400px);max-width:720px;box-shadow:var(--shadow-lift);border-radius:18px;padding:18px 22px;animation:.28s mlab5-rise;position:absolute;bottom:24px;left:50%;transform:translate(-50%)}.seethrough__buckets-title{color:var(--ink-soft);margin-bottom:12px;font-size:18px}.seethrough__buckets-title b{color:var(--emerald-deep)}.seethrough__buckets-row{justify-content:center;gap:12px;display:flex}.seethrough__bucket{cursor:pointer;max-width:200px;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink);border-radius:14px;flex-direction:column;flex:1;align-items:center;gap:3px;padding:12px 14px;transition:transform .12s cubic-bezier(.34,1.5,.64,1),border-color .12s,background .12s;display:flex}.seethrough__bucket:hover{border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-3px)}.seethrough__bucket.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.seethrough__bucket-ic{font-size:24px}.seethrough__bucket-label{font-size:17px;font-weight:800}.seethrough__bucket-hint{color:var(--ink-faint);font-size:14px}.seethrough__oops{color:var(--coral-ink);margin-top:10px;font-size:14px;font-weight:700}.lustre{box-sizing:border-box;overscroll-behavior:contain;flex-direction:column;align-items:center;gap:12px;padding:16px clamp(12px,3.2vw,40px) 0;display:flex;position:absolute;inset:0 0 clamp(88px,18vh,168px);overflow:hidden auto}.hardsoft{box-sizing:border-box;overscroll-behavior:contain;grid-template-columns:1fr min(460px,42vw);align-items:start;gap:clamp(12px,2vw,24px);padding:18px clamp(12px,3.2vw,40px) 0;display:grid;position:absolute;inset:0 0 clamp(88px,18vh,168px);overflow:hidden auto}@media (width<=900px){.hardsoft{grid-template-columns:1fr}}.hardsoft__left{flex-direction:column;align-items:center;gap:14px;min-width:0;display:flex}.lustre__stage{width:100%;max-width:560px;min-height:150px;box-shadow:var(--shadow-lift);background:linear-gradient(#2a2620,#1c1916);border-radius:20px;place-items:center;padding:14px;display:grid}[data-theme=light] .lustre__stage{background:linear-gradient(#2a2620,#1c1916)}.lustre__empty{color:#b3ab9c;font-size:18px;font-weight:700}.lustre__lamp{flex-direction:column;align-items:center;gap:8px;display:flex;position:relative}.lustre__beam{pointer-events:none;border-bottom:150px solid #fff0b400;border-left:90px solid #0000;border-right:90px solid #0000;width:0;height:0;transition:border-bottom-color .4s;position:absolute;top:-18px;left:50%;transform:translate(-50%)}.lustre__lamp.is-on .lustre__beam{border-bottom-color:#fff0b447}.lustre__sample{z-index:1;background:#ffffff0f;border:1px solid #ffffff1f;border-radius:18px;place-items:center;width:92px;height:92px;display:grid;position:relative}.lustre__sample.is-shiny{animation:1s lustre-glow;box-shadow:0 0 34px #fff0b499}.lustre__sample.is-dull{filter:brightness(.82)}.lustre__sample-emoji{font-size:48px}.lustre__glint{pointer-events:none;border-radius:20px;position:absolute;inset:0;overflow:hidden}.lustre__glint:after{content:"";background:linear-gradient(120deg,#0000,#ffffffd9,#0000);width:60%;height:220%;animation:1.1s lustre-sweep;position:absolute;top:-60%;left:-60%;transform:rotate(20deg)}@keyframes lustre-sweep{0%{left:-60%}to{left:160%}}@keyframes lustre-glow{0%{box-shadow:0 0 #fff0b400}50%{box-shadow:0 0 40px #fff0b4b3}to{box-shadow:0 0 24px #fff0b480}}.lustre__sample-label{color:#f3ece0;z-index:1;font-size:19px;font-weight:800}.lustre__verdict{z-index:1;text-align:center;margin-top:2px;font-size:18px;font-weight:800}.lustre__verdict.is-shiny{color:#ffe08a}.lustre__verdict.is-dull{color:#b3ab9c}.lustre__note{color:#e8c074;max-width:320px;margin-top:4px;font-size:15px;font-weight:700}.lustre__shelf,.hardsoft__shelf{flex-wrap:wrap;justify-content:center;gap:9px;max-width:1160px;display:flex}.lustre__chip,.hardsoft__chip{cursor:pointer;width:108px;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:13px;flex-direction:column;align-items:center;gap:2px;padding:8px 6px;transition:transform .14s cubic-bezier(.34,1.5,.64,1),border-color .14s,background .14s;display:flex}.lustre__chip:hover:not(:disabled),.hardsoft__chip:hover:not(:disabled){border-color:var(--emerald);transform:translateY(-4px)}.lustre__chip:disabled,.hardsoft__chip:disabled{cursor:default}.lustre__chip.is-active,.hardsoft__chip.is-active{border-color:var(--amber);background:var(--amber-soft)}.lustre__chip.is-done,.hardsoft__chip.is-done{border-color:var(--emerald-line);background:var(--emerald-soft);opacity:.85}.hardsoft__chip.is-example{border-style:dashed}.lustre__chip-emoji,.hardsoft__chip-emoji{font-size:30px}.lustre__chip-label,.hardsoft__chip-label{color:var(--ink);text-align:center;font-size:14px;font-weight:700;line-height:1.1}.hardsoft__chip-tag{color:var(--ink-faint);font-size:12px;font-weight:800}.lustre__bins{gap:16px;width:100%;max-width:900px;display:flex}.lustre__bin{background:var(--surface);border:2px solid var(--paper-edge);min-height:80px;box-shadow:var(--shadow-card);border-radius:16px;flex:1;padding:12px 16px}.lustre__bin-head{font-family:var(--ff-display);color:var(--ink);margin-bottom:8px;font-size:20px;font-weight:600}.lustre__bin-head small{color:var(--ink-faint);font-size:14px;font-family:var(--ff-body);font-weight:700}.lustre__bin-items{flex-wrap:wrap;gap:8px;display:flex}.lustre__placed{background:var(--emerald-soft);border:1px solid var(--emerald-line);color:var(--emerald-deep);border-radius:10px;align-items:center;gap:5px;padding:6px 12px;font-size:15px;font-weight:700;animation:.35s cubic-bezier(.34,1.56,.64,1) mlab5-pop;display:inline-flex}.lustre__sortbtns,.hardsoft__btns{gap:10px;margin-left:auto;display:flex}.lustre__sortbtn,.hardsoft__btn{cursor:pointer;font-family:var(--ff-body);white-space:nowrap;color:var(--ink);background:var(--paper);border:2px solid var(--paper-edge);border-radius:12px;padding:12px 20px;font-size:16px;font-weight:800;transition:transform .12s,border-color .12s,background .12s}.lustre__sortbtn:hover,.hardsoft__btn:hover{border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-2px)}.lustre__sortbtn.is-wrong,.hardsoft__btn.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.hardsoft__stage{background:var(--surface);border:1px solid var(--paper-edge);width:100%;max-width:520px;min-height:190px;box-shadow:var(--shadow-card);border-radius:20px;place-items:center;padding:16px;display:grid}.hardsoft__empty{color:var(--ink-ghost);font-size:18px;font-weight:700}.hardsoft__press{flex-direction:column;align-items:center;gap:6px;display:flex}.hardsoft__hand{font-size:34px;animation:1.4s ease-in-out infinite hardsoft-tap}@keyframes hardsoft-tap{0%,to{transform:translateY(-6px)}50%{transform:translateY(2px)}}.hardsoft__obj{transform-origin:bottom;place-items:center;width:108px;height:108px;display:grid}.hardsoft__obj-emoji{font-size:72px}.hardsoft__obj.is-press-soft{animation:.9s cubic-bezier(.34,1.56,.64,1) hardsoft-squash}.hardsoft__obj.is-press-hard{animation:.9s hardsoft-firm}@keyframes hardsoft-squash{0%{transform:scaleY(1)scaleX(1)}35%{transform:scaleY(.6)scaleX(1.18)}to{transform:scaleY(1)scaleX(1)}}@keyframes hardsoft-firm{0%{transform:translateY(0)}30%{transform:translateY(3px)}to{transform:translateY(0)}}.hardsoft__obj-label{color:var(--ink);font-size:19px;font-weight:800}.hardsoft__feel{margin-top:2px;font-size:18px;font-weight:800}.hardsoft__feel.is-hard{color:var(--emerald-deep)}.hardsoft__feel.is-soft{color:var(--amber-ink)}.hardsoft__table{box-sizing:border-box;background:var(--surface);border:1px solid var(--paper-edge);width:100%;max-height:100%;box-shadow:var(--shadow-card);border-radius:18px;align-self:start;padding:14px 18px;overflow-y:auto}.hardsoft__row{border-top:1px solid var(--rule-soft);grid-template-columns:1.3fr .9fr 1.2fr;align-items:center;gap:10px;padding:7px 0;display:grid}.hardsoft__row--head{letter-spacing:.05em;color:var(--ink-faint);border-top:none;font-size:13px;font-weight:800}.hardsoft__row.is-active{background:var(--amber-soft);box-shadow:inset 0 0 0 1px var(--amber);border-radius:10px}.hardsoft__cell-obj{color:var(--ink);font-size:17px;font-weight:700}.hardsoft__cell-hs{color:var(--ink-faint);font-size:16px;font-weight:800}.hardsoft__cell-hs.is-hard{color:var(--emerald-deep)}.hardsoft__cell-hs.is-soft{color:var(--amber-ink)}.hardsoft__cell-mat{color:var(--ink-soft);font-size:16px;font-weight:700}.massvol__svg{height:calc(100% - 190px)!important}.massvol__cups{z-index:4;gap:12px;display:flex;position:absolute;bottom:118px;left:32px}.massvol__cup{cursor:pointer;width:130px;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:14px;flex-direction:column;align-items:center;gap:3px;padding:12px 10px;transition:transform .14s cubic-bezier(.34,1.5,.64,1),border-color .14s,background .14s;display:flex}.massvol__cup:hover:not(:disabled){border-color:var(--emerald);transform:translateY(-4px)}.massvol__cup:disabled{cursor:default}.massvol__cup.is-done{border-color:var(--emerald-line);background:var(--emerald-soft)}.massvol__cup.is-busy{border-color:var(--amber);background:var(--amber-soft);animation:.9s ease-in-out infinite hspan-pulse}.massvol__cup-emoji{font-size:32px}.massvol__cup-name{color:var(--ink);flex-direction:column;align-items:center;font-size:16px;font-weight:800;line-height:1.1;display:flex}.massvol__cup-name small{color:var(--ink-faint);font-size:13px;font-weight:700}.massvol__cup-mass{color:#fff;background:var(--emerald);border-radius:999px;padding:2px 12px;font-size:15px;font-weight:800}.hc3d__canvas{z-index:1;position:absolute;inset:0 0 176px}.hotcold__table{width:300px;top:24px;right:24px}.hc3d__label{white-space:nowrap;pointer-events:none;-webkit-user-select:none;user-select:none;background:var(--surface);border:1.5px solid var(--rim,var(--emerald));box-shadow:var(--shadow-card);font-family:var(--ff-body);border-radius:999px;align-items:center;gap:7px;padding:5px 12px 5px 5px;display:flex}.hc3d__label-badge{color:#fff;background:var(--rim,var(--emerald));border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:14px;font-weight:900;display:grid}.hc3d__label-name{color:var(--ink);font-size:14px;font-weight:800}.hc3d__label-temp{color:var(--ink-faint);font-size:12px;font-weight:700}.hc3d__feel{white-space:nowrap;pointer-events:none;font-family:var(--ff-body);background:var(--surface);box-shadow:var(--shadow-card);border-radius:14px;align-items:center;gap:8px;padding:7px 14px;animation:.42s cubic-bezier(.34,1.56,.64,1) hc3d-pop;display:flex;position:relative}.hc3d__feel-ic{font-size:20px;line-height:1}.hc3d__feel-tx{text-align:left;flex-direction:column;line-height:1.1;display:flex}.hc3d__feel-tx b{font-size:17px;font-weight:900}.hc3d__feel-tx em{color:var(--ink-faint);font-size:12px;font-style:normal;font-weight:700}.hc3d__feel:after{content:"";border:7px solid #0000;border-top-color:var(--surface);position:absolute;bottom:-7px;left:50%;transform:translate(-50%)}.hc3d__feel.is-cool,.hc3d__feel.is-cold{color:var(--blue-ink);border:2px solid var(--blue)}.hc3d__feel.is-cool:after,.hc3d__feel.is-cold:after{border-top-color:var(--blue)}.hc3d__feel.is-warm,.hc3d__feel.is-hot{color:var(--coral-ink);border:2px solid var(--coral)}.hc3d__feel.is-warm:after,.hc3d__feel.is-hot:after{border-top-color:var(--coral)}@keyframes hc3d-pop{0%{opacity:0;transform:scale(.4)translateY(8px)}to{opacity:1;transform:none}}.thermo-stage{box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:20px 32px 0;display:flex;position:absolute;inset:0 340px 172px 0}.thermo-scene{align-items:center;gap:28px;display:flex}.thermo-kid{flex-direction:column;align-items:center;display:flex;position:relative}.thermo-kid-img{filter:drop-shadow(0 8px 16px #00000024);width:auto;height:300px;display:block}.thermo-kid-name{font-family:var(--ff-body);color:#fff;background:var(--emerald);border-radius:999px;margin-top:6px;padding:4px 16px;font-size:18px;font-weight:800}.thermo-readout{flex-direction:column;align-items:center;gap:12px;width:340px;display:flex}.thermo-svg{filter:drop-shadow(0 6px 14px #0000001f);width:100%;height:auto;display:block}.thermo-beep{animation:.7s ease-in-out infinite thermo-beep}@keyframes thermo-beep{0%,to{opacity:1}50%{opacity:.25}}.thermo-caption{color:var(--ink-soft);text-align:center;font-size:18px;font-weight:700}.thermo-caption b{color:var(--emerald-deep)}.thermo-people{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.thermo-person{cursor:pointer;min-width:92px;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:14px;flex-direction:column;align-items:center;gap:3px;padding:10px 16px;transition:transform .14s cubic-bezier(.34,1.5,.64,1),border-color .14s;display:flex}.thermo-person:hover:not(:disabled){border-color:var(--emerald);transform:translateY(-4px)}.thermo-person:disabled{cursor:default}.thermo-person.is-active{border-color:var(--amber);background:var(--amber-soft);animation:.9s ease-in-out infinite hspan-pulse}.thermo-person.is-done{border-color:var(--emerald-line);background:var(--emerald-soft)}.thermo-person-name{color:var(--ink);font-size:17px;font-weight:800}.thermo-person-temp{color:var(--ink-faint);font-size:15px;font-weight:800}.thermo-person.is-done .thermo-person-temp{color:var(--emerald-deep)}.thermo-table{width:300px;top:24px;right:24px}.labthermo-stage{box-sizing:border-box;justify-content:center;align-items:center;gap:40px;padding:40px 32px 0;display:flex;position:absolute;inset:0 300px 172px 0}.labthermo-main{align-items:center;height:100%;display:flex}.labthermo-svg{width:auto;height:min(500px,100%);display:block}.labthermo-zoom{background:var(--surface);border:2px solid var(--amber-line,var(--paper-edge));max-width:360px;box-shadow:var(--shadow-lift);border-radius:18px;flex-direction:column;align-items:center;gap:12px;padding:18px 22px;animation:.3s mlab5-rise;display:flex}.labthermo-zoom .labthermo-svg{height:340px}.labthermo-zoom-title{color:var(--amber-ink);font-size:16px;font-weight:800}.labthermo-zoom-note{color:var(--ink-soft);text-align:center;font-size:17px;line-height:1.5}.labthermo-zoom-note b{color:var(--emerald-deep)}.labthermo-table{width:268px;top:24px;right:24px}.warmwater-stage{box-sizing:border-box;justify-content:center;align-items:center;padding:20px 32px 0;display:flex;position:absolute;inset:0 300px 172px 0}.warmwater-svg{width:auto;height:min(520px,100%);display:block}.warmwater-wisp{opacity:0;animation:2.4s ease-in-out infinite warmwater-steam}@keyframes warmwater-steam{0%{opacity:0;transform:translateY(6px)}40%{opacity:.6}to{opacity:0;transform:translateY(-22px)}}.warmwater-rules{width:280px;top:24px;right:24px}.warmwater-rules-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.warmwater-rules-list li{color:var(--ink-faint);background:var(--paper);border:1px solid var(--rule-soft);border-radius:10px;padding:8px 10px 8px 34px;font-size:15px;line-height:1.35;transition:all .2s;position:relative}.warmwater-rules-list li:before{content:"○";color:var(--ink-ghost);font-size:16px;position:absolute;top:7px;left:11px}.warmwater-rules-list li.is-on{color:var(--emerald-deep);background:var(--emerald-soft);border-color:var(--emerald-line);font-weight:700}.warmwater-rules-list li.is-on:before{content:"✓";color:var(--emerald);font-weight:900}.scales-stage{box-sizing:border-box;justify-content:center;align-items:center;gap:48px;padding:24px 40px 0;display:flex;position:absolute;inset:0 0 172px}.scales-col{align-items:center;height:100%;display:flex}.scales-svg{width:auto;height:min(500px,100%);display:block}.scales-controls{flex-direction:column;gap:26px;width:340px;display:flex}.scales-slider-wrap{flex-direction:column;gap:12px;display:flex}.scales-slider-cap{color:var(--ink-soft);font-size:16px;font-weight:800}.scales-slider{width:100%;height:8px;accent-color:var(--coral);cursor:pointer}.scales-readout{font-family:var(--ff-body);color:var(--ink-soft);text-align:center;background:var(--surface);border:1px solid var(--paper-edge);border-radius:12px;padding:10px;font-size:22px}.scales-readout b{color:var(--ink)}.scales-presets{gap:12px;display:flex}.scales-preset{cursor:pointer;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);box-shadow:var(--shadow-card);border-radius:14px;flex-direction:column;flex:1;align-items:center;gap:2px;padding:12px 8px;transition:transform .14s cubic-bezier(.34,1.5,.64,1),border-color .14s;display:flex}.scales-preset:hover{border-color:var(--emerald);transform:translateY(-3px)}.scales-preset.is-on{border-color:var(--emerald);background:var(--emerald-soft)}.scales-preset b{color:var(--ink);font-size:16px}.scales-preset small{color:var(--ink-faint);font-size:13px;font-weight:700}.scales-stage--readings{padding-top:40px}.boiling-card{background:var(--surface);border:1px solid var(--paper-edge);width:min(720px,90%);box-shadow:var(--shadow-lift);border-radius:20px;padding:24px 28px}.boiling-title{color:var(--emerald-deep);margin-bottom:16px;font-size:17px;font-weight:800}.boiling-rows{flex-direction:column;gap:12px;display:flex}.boiling-row{grid-template-columns:88px 1fr 80px;align-items:center;gap:14px;display:grid}.boiling-name{color:var(--ink);font-size:17px;font-weight:800}.boiling-bar{background:var(--paper-2);border-radius:999px;height:22px;overflow:hidden}.boiling-bar-fill{background:linear-gradient(90deg, var(--amber), var(--coral));border-radius:999px;min-width:8%;height:100%;display:block}.boiling-temp{color:var(--coral-ink);text-align:right;font-size:18px;font-weight:800}.boiling-note{color:var(--ink-soft);margin-top:18px;font-size:16px;line-height:1.5}.boiling-note b{color:var(--emerald-deep)}.poles__prompt{z-index:3;text-align:center;color:#b9c6e2;pointer-events:none;width:calc(100% - 40px);max-width:440px;font-size:14px;line-height:1.5;position:absolute;top:132px;left:50%;transform:translate(-50%)}.poles__prompt b{color:#ffca6b}.mat__table{z-index:4;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:268px;font-family:var(--ff-body);background:#0a1120d1;border:1px solid #ffffff1a;border-radius:16px;max-height:calc(100% - 150px);padding:12px 14px;position:absolute;top:70px;right:16px;overflow-y:auto}.mat__table-title{font-size:var(--fs-xs);letter-spacing:.1em;color:#8b99bd;margin-bottom:8px;font-weight:800}.mat__row{border-top:1px solid #ffffff0f;grid-template-columns:1fr 58px 74px;align-items:center;gap:6px;padding:4px 0;display:grid}.mat__row--head{font-size:var(--fs-xs);letter-spacing:.08em;color:#7f8db0;border-top:none;font-weight:800}.mat__name{color:#dfe8ff;white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:700;overflow:hidden}.mat__pred{gap:4px;display:flex}.mat__yn{cursor:pointer;width:26px;height:24px;font-size:var(--fs-xs);font-weight:800;line-height:1;font-family:var(--ff-body);color:#cbd6ee;background:#ffffff0f;border:1px solid #ffffff24;border-radius:7px}.mat__yn.is-on{color:#fff;background:#5b8cff;border-color:#5b8cff}.mat__yn:disabled{cursor:default;opacity:.75}.mat__obs{font-size:var(--fs-xs);color:#7f8db0;font-weight:700}.mat__obs.is-stuck{color:#7fffd0}.mat__obs.is-no{color:#ffb0b0}.mat__obs em{font-style:normal;font-weight:900}.mat__obs em.is-right{color:#7fffd0}.mat__obs em.is-wrong{color:#ffca6b}.mat__observe{z-index:5;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0d1626f2;border:1px solid #96b4ff57;border-radius:16px;width:min(480px,100% - 330px);padding:15px 20px;animation:.35s why-in;position:absolute;bottom:clamp(64px,12vh,110px);left:16px}.mat__observe-eyebrow{font-size:var(--fs-xs);letter-spacing:.16em;color:#7fb0ff;font-weight:800}.mat__observe-q{font-family:var(--ff-display);color:#f2f6ff;margin-top:5px;font-size:17.5px;font-weight:600;line-height:1.35}.mat__observe-opts{flex-direction:column;gap:8px;margin-top:12px;display:flex}.mat__observe-opt{cursor:pointer;font-size:13.5px;font-weight:700;font-family:var(--ff-body);color:#eaf1ff;background:#ffffff0f;border:1.5px solid #96b4ff57;border-radius:11px;padding:10px 16px;transition:all .14s}.mat__observe-opt:hover{background:#5a8cff2e;border-color:#7fb0ff;transform:translateY(-2px)}.mat__teach{z-index:4;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#dfe8ff;width:min(500px,100% - 330px);font-size:14px;line-height:1.55;font-family:var(--ff-body);background:#0d1626f2;border-radius:14px;padding:14px 18px;animation:.35s why-in;position:absolute;bottom:92px;left:16px}.mat__teach.is-right{border:1px solid #2dd47f80}.mat__teach.is-right b{color:#7fffd0}.mat__teach.is-rethink{border:1px solid #ffc46b8c}.mat__teach.is-rethink b{color:#ffca6b}.fun__tabs{z-index:4;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0a1120b8;border:1px solid #ffffff1a;border-radius:14px;gap:6px;padding:5px;display:flex;position:absolute;top:16px;left:50%;transform:translate(-50%)}.fun__tab{cursor:pointer;color:#b9c6e2;min-width:78px;font-family:var(--ff-body);background:0 0;border:1px solid #0000;border-radius:10px;flex-direction:column;align-items:center;gap:1px;padding:7px 16px;transition:all .14s;display:flex}.fun__tab:hover{color:#eaf1ff;background:#ffffff0f}.fun__tab.is-on{color:#fff;background:#5b8cff}.fun__tab.is-done:not(.is-on){color:#7fffd0;background:#2dd47f24}.fun__tab-ic{font-size:18px;line-height:1}.fun__tab-lbl{font-size:12.5px;font-weight:700}.fun__tab-fig{font-size:var(--fs-xs);opacity:.7}.fun__replay{z-index:4;cursor:pointer;font-size:13px;font-weight:700;font-family:var(--ff-body);color:#dfe8ff;background:#ffffff14;border:1px solid #ffffff29;border-radius:10px;padding:8px 15px;transition:all .14s;position:absolute;top:74px;right:16px}.fun__replay:hover{background:#ffffff24}.fun__win{z-index:4;text-align:center;color:#bff5df;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:calc(100% - 48px);max-width:520px;font-size:14.5px;line-height:1.5;font-family:var(--ff-body);background:#2dd47f24;border:1px solid #2dd47f80;border-radius:14px;padding:13px 20px;animation:.35s why-in;position:absolute;bottom:clamp(84px,15vh,128px);left:50%;transform:translate(-50%)}.fun__hint-top{z-index:4;color:#93a4c6;text-align:center;pointer-events:none;font-size:13.5px;position:absolute;top:108px;left:50%;transform:translate(-50%)}.build__steps{z-index:4;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0a1120b8;border:1px solid #ffffff1a;border-radius:13px;flex-direction:column;gap:6px;padding:12px 14px;display:flex;position:absolute;top:16px;left:16px}.build__step-item{color:#7f8db0;font-size:13px;font-weight:700;font-family:var(--ff-body);align-items:center;gap:9px;display:flex}.build__step-item.is-active{color:#eaf1ff}.build__step-item.is-done{color:#7fffd0}.build__step-dot{width:20px;height:20px;font-size:var(--fs-xs);color:#b9c6e2;background:#ffffff14;border-radius:50%;place-items:center;font-weight:900;display:grid}.build__step-item.is-active .build__step-dot{color:#fff;background:#5b8cff}.build__step-item.is-done .build__step-dot{color:#7fffd0;background:#2dd47f4d}.build__prompt{z-index:4;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#dfe8ff;width:calc(100% - 48px);max-width:540px;font-size:15px;line-height:1.45;font-family:var(--ff-body);background:#0d1626eb;border:1px solid #96b4ff47;border-radius:14px;padding:13px 20px;position:absolute;bottom:clamp(120px,20vh,172px);left:50%;transform:translate(-50%)}.build__prompt b{color:#ffca6b}.build__prompt--watch{border-color:#2dd47f73;bottom:clamp(84px,15vh,128px)}.build__prompt--watch b{color:#7fffd0}.build__meter{z-index:4;background:#ffffff14;border:1px solid #ffffff29;border-radius:999px;justify-content:center;align-items:center;width:min(360px,100% - 48px);height:30px;display:flex;position:absolute;bottom:clamp(74px,13vh,118px);left:50%;overflow:hidden;transform:translate(-50%)}.build__meter-fill{background:linear-gradient(90deg,#5b8cff,#7fb0ff);border-radius:999px;transition:width .2s;position:absolute;top:0;bottom:0;left:0}.build__meter-label{z-index:1;color:#fff;font-size:12.5px;font-weight:800;font-family:var(--ff-body);position:relative}.build__actions{z-index:5;flex-direction:column;align-items:center;gap:10px;display:flex;position:absolute;bottom:clamp(24px,8vh,64px);left:50%;transform:translate(-50%)}.build__do{cursor:pointer;color:#fff;font-size:15px;font-weight:800;font-family:var(--ff-body);background:linear-gradient(#6aa0ff,#3f74e0);border:none;border-radius:999px;padding:14px 28px;transition:transform .12s;box-shadow:0 14px 30px -12px #3f74e0cc}.build__do:hover{transform:translateY(-2px)}.build__result{text-align:center;color:#bff5df;font-size:14px;line-height:1.5;font-family:var(--ff-body);background:#2dd47f24;border:1px solid #2dd47f80;border-radius:12px;padding:11px 18px}.build__result b{color:#eafff6}.build__bad{z-index:5;text-align:center;color:#ffe0a3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);width:calc(100% - 48px);max-width:480px;font-size:13.5px;line-height:1.5;font-family:var(--ff-body);background:#ffc46b1f;border:1px solid #ffc46b8c;border-radius:13px;padding:11px 16px;animation:.25s why-in;position:absolute;top:96px;left:50%;transform:translate(-50%)}.build__bad b{color:#fff}.cmp__drag{z-index:1;cursor:grab;position:absolute;inset:0}.cmp__drag:active{cursor:grabbing}.cmp__tabs{z-index:4;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0a1120b3;border:1px solid #ffffff1a;border-radius:13px;gap:6px;padding:5px;display:flex;position:absolute;top:16px;left:50%;transform:translate(-50%)}.cmp__tab{cursor:pointer;font-size:13px;font-weight:700;font-family:var(--ff-body);color:#b9c6e2;background:0 0;border:none;border-radius:9px;padding:8px 15px;transition:all .14s}.cmp__tab:hover{color:#eaf1ff;background:#ffffff0f}.cmp__tab.is-on{color:#fff;background:#5b8cff}.cmp__step{z-index:4;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#dfe8ff;width:calc(100% - 48px);max-width:540px;font-size:15px;line-height:1.45;font-family:var(--ff-body);background:#0d1626eb;border:1px solid #96b4ff47;border-radius:14px;padding:13px 20px;position:absolute;bottom:clamp(84px,15vh,128px);left:50%;transform:translate(-50%)}.cmp__step b{color:#ffca6b}.cmp__controls{z-index:4;flex-direction:column;gap:8px;display:flex;position:absolute;top:74px;right:16px}.cmp__btn{cursor:pointer;font-size:13.5px;font-weight:800;font-family:var(--ff-body);color:#dfe8ff;background:#ffffff12;border:1px solid #ffffff29;border-radius:11px;padding:10px 16px;transition:all .14s}.cmp__btn:hover{background:#ffffff21}.cmp__btn.is-on{color:#cfe0ff;background:#96b4ff33;border-color:#7fb0ff}.cmp__shields{z-index:4;flex-direction:column;align-items:flex-end;gap:6px;width:150px;display:flex;position:absolute;top:74px;right:16px}.cmp__shields-label{font-size:var(--fs-xs);letter-spacing:.12em;color:#8b99bd;font-weight:800}.cmp__chip{cursor:pointer;width:100%;font-size:13px;font-weight:700;font-family:var(--ff-body);color:#cbd6ee;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:10px;padding:8px 12px;transition:all .14s}.cmp__chip:hover{background:#ffffff1a}.cmp__chip.is-on{color:#fff;background:#5b8cff;border-color:#5b8cff}.cmp__chip.is-done{border-color:#2dd47f80}.cmp__table{z-index:4;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);width:320px;font-family:var(--ff-body);background:#0a1120cc;border:1px solid #ffffff1a;border-radius:12px;padding:12px 14px;position:absolute;bottom:20px;left:16px}.cmp__table-title{font-size:var(--fs-xs);letter-spacing:.1em;color:#8b99bd;margin-bottom:8px;font-weight:800}.cmp__table-row{color:#b9c6e2;border-top:1px solid #ffffff0f;justify-content:space-between;gap:12px;padding:4px 0;font-size:12.5px;display:flex}.cmp__table-row span:first-child{color:#dfe8ff;font-weight:700}.cmp__table-row .is-done{color:#7fffd0}.cmp__note{z-index:4;text-align:center;color:#bff5df;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#2dd47f1f;border:1px solid #2dd47f73;border-radius:12px;width:calc(100% - 380px);max-width:420px;padding:11px 16px;font-size:13.5px;line-height:1.5;position:absolute;bottom:20px;left:50%;transform:translate(-50%)}.cmp__note b{color:#eafff6}.sus__step.cmp__step{top:55%;bottom:auto;transform:translate(-50%,-50%)}.sus__badge{z-index:4;font-size:14.5px;font-weight:800;font-family:var(--ff-body);color:#dfe8ff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0d1626e6;border:1px solid #96b4ff59;border-radius:999px;padding:9px 20px;animation:.25s why-in;position:absolute;top:20px;left:50%;transform:translate(-50%)}.sus__badge b{color:#ffca6b}.sus__badge.is-proven{color:#eafff6;background:#2dd47f24;border-color:#2dd47f80}.sus__badge.is-proven b{color:#7fffd0}.sus__actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:12px;display:flex}.sus__spin{animation:1.8s ease-in-out infinite sus-pulse;color:#fff!important;background:linear-gradient(#5b8cff,#4470e6)!important;border-color:#5b8cff!important}.sus__spin:hover{transform:translateY(-2px)}@keyframes sus-pulse{0%,to{box-shadow:0 0 #5b8cff80}50%{box-shadow:0 0 0 8px #5b8cff00}}.pair__drag{z-index:1;cursor:grab;position:absolute;inset:0}.pair__drag:active{cursor:grabbing}.pair__step{z-index:4;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#dfe8ff;width:calc(100% - 48px);max-width:560px;font-size:15px;line-height:1.45;font-family:var(--ff-body);background:#0d1626eb;border:1px solid #96b4ff47;border-radius:14px;padding:13px 20px;position:absolute;bottom:clamp(84px,15vh,128px);left:50%;transform:translate(-50%)}.pair__step b{color:#ffca6b}.pair__verdict{z-index:4;font-size:14px;font-weight:800;font-family:var(--ff-body);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:999px;padding:9px 18px;animation:.25s why-in;position:absolute;top:20px;left:50%;transform:translate(-50%)}.pair__verdict.is-attract{color:#7fffd0;background:#2dd47f29;border:1px solid #2dd47f8c}.pair__verdict.is-repel{color:#ffb0b0;background:#e2565629;border:1px solid #e256568c}.pair__controls{z-index:4;flex-direction:column;align-items:stretch;gap:8px;display:flex;position:absolute;top:64px;right:16px}.pair__btn{cursor:pointer;font-size:13.5px;font-weight:800;line-height:1.2;font-family:var(--ff-body);color:#dfe8ff;background:#ffffff12;border:1px solid #ffffff29;border-radius:11px;padding:10px 16px;transition:all .14s}.pair__btn:hover:not(:disabled){background:#ffffff21}.pair__btn:disabled{opacity:.5;cursor:default}.pair__btn.is-on{color:#cfe0ff;background:#96b4ff33;border-color:#7fb0ff}.pair__seen{z-index:4;flex-direction:column;gap:6px;display:flex;position:absolute;top:64px;left:16px}.pair__seen-chip{font-size:13px;font-weight:700;font-family:var(--ff-body);color:#93a4c6;background:#ffffff0d;border:1px solid #ffffff1f;border-radius:10px;padding:7px 13px}.pair__seen-chip.is-done{color:#7fffd0;background:#2dd47f24;border-color:#2dd47f80}.poles__drag{z-index:1;cursor:grab;position:absolute;inset:0}.poles__drag:active{cursor:grabbing}.poles__step{z-index:4;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#dfe8ff;width:calc(100% - 48px);max-width:540px;font-size:15px;line-height:1.45;font-family:var(--ff-body);background:#0d1626eb;border:1px solid #96b4ff47;border-radius:14px;align-items:center;gap:10px;padding:13px 20px;display:flex;position:absolute;bottom:clamp(20px,8vh,72px);left:50%;transform:translate(-50%)}.poles__step b{color:#ffca6b}.poles__step-n{color:#0a1120;background:#7fb0ff;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:13px;font-weight:900;display:grid}.poles__actions{z-index:5;justify-content:center;display:flex;position:absolute;bottom:clamp(24px,10vh,96px);left:50%;transform:translate(-50%)}.poles__do{cursor:pointer;color:#fff;font-size:16px;font-weight:800;font-family:var(--ff-body);background:linear-gradient(#6aa0ff,#3f74e0);border:none;border-radius:999px;padding:15px 30px;transition:transform .12s;animation:2.2s ease-in-out infinite poles-pulse;box-shadow:0 16px 34px -12px #3f74e0d9}.poles__do:hover{animation:none;transform:translateY(-2px)}.poles__do--tap{color:#221600;background:linear-gradient(#f0b64d,#d9962f);box-shadow:0 16px 34px -12px #d9962fd9}@keyframes poles-pulse{0%,to{box-shadow:0 16px 34px -12px #3f74e0b3,0 0 #7ab0ff80}50%{box-shadow:0 16px 34px -12px #3f74e0b3,0 0 0 12px #7ab0ff00}}.poles__observe{z-index:4;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0d1626f0;border:1px solid #96b4ff57;border-radius:16px;width:calc(100% - 48px);max-width:470px;padding:16px 20px;animation:.35s why-in;position:absolute;top:92px;left:50%;transform:translate(-50%)}.poles__observe-eyebrow{font-size:var(--fs-xs);letter-spacing:.16em;color:#7fb0ff;font-weight:800}.poles__observe-q{font-family:var(--ff-display);color:#f2f6ff;margin-top:5px;font-size:19px;font-weight:600;line-height:1.3}.poles__observe-opts{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:14px;display:flex}.poles__observe-opt{cursor:pointer;font-size:14px;font-weight:700;font-family:var(--ff-body);color:#eaf1ff;background:#ffffff0f;border:1.5px solid #96b4ff57;border-radius:11px;padding:11px 20px;transition:all .14s}.poles__observe-opt:hover{background:#5a8cff2e;border-color:#7fb0ff;transform:translateY(-2px)}.poles__teach{z-index:4;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0d1626f2;border-radius:16px;flex-direction:column;align-items:center;gap:12px;width:calc(100% - 48px);max-width:520px;padding:15px 20px;animation:.35s why-in;display:flex;position:absolute;bottom:92px;left:50%;transform:translate(-50%)}.poles__teach.is-right{border:1px solid #2dd47f80}.poles__teach.is-rethink{border:1px solid #ffc46b8c}.poles__teach-text{color:#dfe8ff;text-align:center;font-size:14.5px;line-height:1.55;font-family:var(--ff-body)}.poles__teach.is-right .poles__teach-text b{color:#7fffd0}.poles__teach.is-rethink .poles__teach-text b{color:#ffca6b}.poles__followups{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.poles__followup{cursor:pointer;color:#cfe0ff;font-size:13.5px;font-weight:800;font-family:var(--ff-body);background:#7ab0ff2e;border:1px solid #7ab0ff80;border-radius:999px;padding:10px 20px;transition:all .14s}.poles__followup:hover{background:#7ab0ff47}.poles__followup--break{color:#ffc9c9;background:#e2565624;border-color:#e2565680}.poles__followup--break:hover{background:#e256563d}.poles__followup--break.is-on{color:#ffd9d9;background:#e2565642;border-color:#e25656}.poles__pairs-note{text-align:center;color:#ffd9d9;font-size:13px;line-height:1.5;font-family:var(--ff-body);background:#e256561a;border:1px dashed #e2565673;border-radius:11px;padding:9px 14px}.poles__pairs-note b,.poles__pairs-note em{color:#fff;font-style:normal}.poles__shapes-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:flex}.poles__shapes-label{font-size:var(--fs-xs);letter-spacing:.1em;color:#8b99bd;font-weight:800}.poles__shape{cursor:pointer;color:#cbd6ee;min-width:62px;font-family:var(--ff-body);background:#ffffff0d;border:1px solid #ffffff24;border-radius:11px;flex-direction:column;align-items:center;gap:2px;padding:7px 14px;transition:all .14s;display:flex}.poles__shape:hover{color:#eaf1ff;background:#ffffff1a}.poles__shape.is-on{color:#ffe0a3;background:#ffca6b2e;border-color:#ffca6b}.poles__shape-ic{font-size:19px;line-height:1}.poles__shape-lbl{font-size:var(--fs-xs);font-weight:700;line-height:1.2}.r-activity__medallion{background:radial-gradient(circle at 34% 28%,#fffffff2,#ffffffb3 60%,#ffffff80);border-radius:22px;flex:none;place-items:center;width:72px;height:72px;display:grid;position:relative;box-shadow:inset 0 2px 4px #ffffffe6,inset 0 -6px 12px #1450322e,0 10px 22px -10px #08281899}.r-activity__medallion:after{content:"";pointer-events:none;border:1.5px solid #ffffff8c;border-radius:17px;position:absolute;inset:5px}.r-activity__medallion--sm{border-radius:16px;width:52px;height:52px}.r-activity__medallion--sm:after{border-radius:12px;inset:4px}.r-activity__medallion-ic{filter:drop-shadow(0 2px 2px #0000002e);font-size:38px;line-height:1}.r-activity__medallion--sm .r-activity__medallion-ic{font-size:27px}.r-activity__inline-eyebrow{font-size:var(--fs-xs);letter-spacing:.16em;text-transform:uppercase;color:#ffffffc7;font-weight:800}.r-activity__launch{cursor:pointer;text-align:left;color:#fff;background:radial-gradient(120% 140% at 0% 0%, #ffffff29, transparent 46%), linear-gradient(135deg, var(--emerald-2,#2f8c4f), var(--emerald-deep,#155c37));border:1px solid #ffffff24;border-radius:18px;align-items:center;gap:14px;width:100%;margin-top:14px;padding:14px 16px;transition:transform .15s,box-shadow .2s;display:flex;box-shadow:0 12px 26px -14px #082818b3,inset 0 1px #ffffff2e}.r-activity__launch:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px #082818bf,inset 0 1px #ffffff38}.r-activity__launch:active{transform:translateY(0)}.r-activity__launch:hover .r-activity__launch-arrow{transform:translate(4px)}.r-activity__launch-body{flex-direction:column;flex:1;gap:2px;display:flex}.r-activity__launch-title{margin-top:2px;font-size:15.5px;font-weight:800}.r-activity__launch-sub{opacity:.85;font-size:12.5px}.r-activity__launch-arrow{font-size:20px;font-weight:800;transition:transform .18s}.r-activity__inline{isolation:isolate;cursor:pointer;text-align:center;color:#fff;background:radial-gradient(130% 120% at 50% -10%, #fff3, transparent 52%), linear-gradient(160deg, var(--emerald-2,#2f8c4f) 0%, var(--emerald-deep,#155c37) 70%, #0f4a2c 100%);border:1px solid #ffffff29;border-radius:22px;flex-direction:column;align-items:center;gap:4px;width:100%;margin-top:14px;padding:26px 20px 22px;transition:transform .16s,box-shadow .22s;display:flex;position:relative;overflow:hidden;box-shadow:0 22px 48px -22px #082818bf,inset 0 1px #ffffff38}.r-activity__inline:hover{transform:translateY(-3px);box-shadow:0 30px 60px -24px #082818cc,inset 0 1px #ffffff42}.r-activity__inline:active{transform:translateY(-1px)}.r-activity__inline-glow{z-index:-1;pointer-events:none;background:radial-gradient(closest-side,#ffffff38,#0000 70%);width:280px;height:200px;position:absolute;top:-40px;left:50%;transform:translate(-50%)}.r-activity__inline .r-activity__medallion{margin-bottom:10px}.r-activity__inline-title{letter-spacing:-.01em;margin-top:2px;font-size:19px;font-weight:800}.r-activity__inline-sub{opacity:.82;max-width:32ch;font-size:13.5px}.r-activity__cta{color:var(--emerald-deep,#155c37);background:#fff;border-radius:999px;align-items:center;gap:8px;margin-top:16px;padding:11px 22px;font-size:14px;font-weight:800;transition:transform .15s,box-shadow .2s;display:inline-flex;box-shadow:0 8px 18px -8px #0828188c}.r-activity__inline:hover .r-activity__cta{box-shadow:0 12px 24px -8px #08281899}.r-activity__cta-arrow{font-size:16px;transition:transform .18s}.r-activity__inline:hover .r-activity__cta-arrow{transform:translate(4px)}.shell{opacity:0;visibility:hidden;flex-direction:column;transition:opacity .4s;display:flex;position:absolute;inset:0}.shell.is-active{opacity:1;visibility:visible;z-index:2}.app-splash{z-index:1;position:fixed;inset:0}.appbar{border-bottom:1px solid var(--rule);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:20;background:#fffdf6c7;flex:none;align-items:center;gap:18px;padding:14px clamp(20px,3vw,40px);display:flex;position:relative}.appbar__brand{cursor:pointer;font:inherit;color:inherit;background:0 0;border:0;border-radius:12px;align-items:center;gap:11px;margin-left:-6px;padding:4px 6px;transition:background .16s;display:flex}.appbar__brand:hover{background:var(--surface-2)}.appbar__brand .glyph{background:var(--emerald);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.appbar__brand .glyph svg{width:21px;height:21px}.appbar__brand .name{font-family:var(--ff-display);font-size:19px;font-weight:700}.appbar__brand .name b{color:var(--emerald)}.backbtn{background:var(--surface);border:1px solid var(--rule);box-shadow:var(--shadow-card);color:var(--ink-soft);cursor:pointer;border-radius:9px;align-items:center;gap:7px;margin-top:-8px;margin-bottom:16px;padding:6px 13px;font-size:14px;font-weight:600;transition:border-color .16s,color .16s,box-shadow .2s;display:inline-flex}.backbtn:hover{border-color:var(--ink-ghost);color:var(--ink);box-shadow:var(--shadow-lift)}.backbtn__arrow{font-size:16px;line-height:1}.appbar .spacer{flex:1}.appbar .offline{background:var(--emerald-soft);border:1px solid var(--emerald-line);color:var(--emerald-deep);border-radius:999px;align-items:center;gap:7px;margin-right:4px;padding:6px 12px;font-size:12.5px;font-weight:700;display:inline-flex}.appbar .offline .d{background:var(--emerald);border-radius:50%;width:7px;height:7px;animation:2.4s ease-out infinite ll-pulse;box-shadow:0 0 #1f7a4a80}@keyframes ll-pulse{0%{box-shadow:0 0 #1f7a4a80}70%{box-shadow:0 0 0 7px #1f7a4a00}to{box-shadow:0 0 #1f7a4a00}}.themebtn{background:var(--surface);border:1px solid var(--rule);width:36px;height:36px;color:var(--ink-soft);cursor:pointer;border-radius:999px;font-size:16px;transition:border-color .16s,color .16s}.themebtn:hover{border-color:var(--ink-ghost);color:var(--ink)}.authorbtn{background:var(--surface);border:1px solid var(--rule);height:36px;color:var(--ink-soft);cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:0 14px;font-size:13.5px;font-weight:700;transition:border-color .16s,color .16s;display:inline-flex}.authorbtn:hover{border-color:var(--ink-ghost);color:var(--ink)}.authorbtn svg{flex-shrink:0;display:block}.rolepill{background:var(--surface);border:1px solid var(--rule);height:36px;color:var(--ink-soft);cursor:pointer;border-radius:999px;align-items:center;gap:9px;padding:0 6px 0 14px;font-size:13.5px;font-weight:700;transition:border-color .16s;display:inline-flex}.rolepill:hover{border-color:var(--ink-ghost)}.rolepill .dot{background:var(--emerald);border-radius:50%;width:7px;height:7px}.rolepill .av{background:var(--emerald-soft);border:1px solid var(--emerald-line);width:28px;height:28px;font-family:var(--ff-display);color:var(--emerald-deep);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.stage{flex:1;min-height:0;position:relative;overflow-y:auto}.stage::-webkit-scrollbar{width:10px}.stage::-webkit-scrollbar-thumb{background:#1f1b1629 padding-box padding-box;border:3px solid #0000;border-radius:6px}.view{display:none}.view.is-active{display:block}.wrap{max-width:1240px;margin:0 auto;padding:clamp(26px,4vw,56px) clamp(20px,3vw,40px) 80px}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.page-head .eyebrow{letter-spacing:.13em;text-transform:uppercase;color:var(--ink-faint);align-items:center;gap:9px;font-size:13px;font-weight:700;display:inline-flex}.page-head .eyebrow .b4{background:var(--emerald);border-radius:2px;width:22px;height:3px}.page-head h1{font-family:var(--ff-display);letter-spacing:-.02em;margin-top:12px;font-size:clamp(30px,3.6vw,46px);font-weight:700;line-height:1.04}.page-head .lede{color:var(--ink-soft);max-width:56ch;margin-top:10px;font-size:16.5px;line-height:1.5}.head-aside{align-items:center;gap:10px;display:flex}.pill-stat{background:var(--surface);border:1px solid var(--rule);border-radius:14px;flex-direction:column;padding:12px 18px;display:inline-flex}.pill-stat .n{font-family:var(--ff-display);color:var(--ink);font-size:26px;font-weight:700;line-height:1}.pill-stat .l{letter-spacing:.04em;color:var(--ink-faint);text-transform:uppercase;margin-top:5px;font-size:12px;font-weight:600}.card-grid{gap:clamp(16px,1.6vw,22px);margin-top:clamp(24px,3vw,38px);display:grid}.card-grid.cols-classes{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));align-items:start}.card-grid.cols-subjects{grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}.class-card{text-align:left;border-radius:var(--radius);background:var(--surface);border:1px solid var(--rule);box-shadow:var(--shadow-card);width:100%;padding:18px 24px;transition:transform .16s,box-shadow .2s,border-color .2s;display:block;position:relative;overflow:hidden}.class-card:hover{box-shadow:var(--shadow-lift);border-color:var(--emerald-line);transform:translateY(-3px)}.class-card.locked{opacity:.62;pointer-events:none}.class-card__row{align-items:center;gap:16px;display:flex}.class-card__grade{background:var(--emerald-soft);border:1px solid var(--emerald-line);border-radius:16px;flex-direction:column;flex:none;justify-content:center;align-items:center;width:56px;height:56px;line-height:1;display:flex}.class-card__grade .g{letter-spacing:.1em;text-transform:uppercase;color:var(--emerald-deep);font-size:10px;font-weight:700}.class-card__grade .s{font-family:var(--ff-display);color:var(--emerald-deep);font-size:28px;font-weight:700}.class-card__name{font-family:var(--ff-display);font-size:22px;font-weight:700;line-height:1.1}.class-card__meta{color:var(--ink-faint);margin-top:4px;font-size:13.5px;font-weight:600}.chip{background:var(--surface-2);border:1px solid var(--rule);color:var(--ink-soft);border-radius:999px;padding:5px 11px;font-size:12px;font-weight:600}.class-card__go{background:var(--surface-2);border:1px solid var(--rule);width:34px;height:34px;color:var(--ink-faint);border-radius:50%;justify-content:center;align-items:center;transition:background .16s,color .16s;display:flex;position:absolute;top:50%;right:22px;transform:translateY(-50%)}.class-card__go svg{width:18px;height:18px}.class-card:hover .class-card__go{background:var(--emerald);color:#fff;border-color:var(--emerald)}.add-card{border:1.5px dashed var(--rule);border-radius:var(--radius);min-height:94px;color:var(--ink-faint);background:0 0;flex-direction:column;justify-content:center;align-items:center;gap:8px;font-size:15px;font-weight:700;transition:border-color .18s,color .18s,background .18s;display:flex}.add-card:hover{border-color:var(--emerald);color:var(--emerald);background:#1f7a4a0a}.add-card .plus{border:1.5px solid;border-radius:12px;justify-content:center;align-items:center;width:42px;height:42px;font-size:22px;display:flex}.subj-card{text-align:left;border-radius:var(--radius);background:var(--surface);border:1px solid var(--rule);box-shadow:var(--shadow-card);width:100%;padding:18px 24px;transition:transform .16s,box-shadow .2s,border-color .2s;display:block;position:relative;overflow:hidden}.subj-card:hover{box-shadow:var(--shadow-lift);border-color:var(--emerald-line);transform:translateY(-3px)}.subj-card.locked{opacity:.6;pointer-events:none}.subj-card__row{align-items:center;gap:16px;display:flex}.subj-ic{border-radius:16px;flex:none;justify-content:center;align-items:center;width:56px;height:56px;display:flex}.subj-ic svg{width:28px;height:28px}.subj-card__name{font-family:var(--ff-display);font-size:22px;font-weight:700;line-height:1.1}.subj-card__meta{color:var(--ink-faint);margin-top:4px;font-size:13.5px;font-weight:600}.subj-card__go{background:var(--surface-2);border:1px solid var(--rule);width:34px;height:34px;color:var(--ink-faint);border-radius:50%;justify-content:center;align-items:center;transition:background .16s,color .16s;display:flex;position:absolute;top:50%;right:22px;transform:translateY(-50%)}.subj-card__go svg{width:18px;height:18px}.subj-card:hover .subj-card__go{background:var(--emerald);color:#fff;border-color:var(--emerald)}.t-emerald .subj-ic{background:var(--emerald-soft);color:var(--emerald-deep)}.t-emerald .subj-card__bar i{background:var(--emerald)}.t-emerald .pct{color:var(--emerald)}.t-coral .subj-ic{background:var(--coral-soft);color:var(--coral-ink)}.t-coral .subj-card__bar i{background:var(--coral)}.t-coral .pct{color:var(--coral)}.t-amber .subj-ic{background:var(--amber-soft);color:var(--amber-ink)}.t-amber .subj-card__bar i{background:var(--amber)}.t-amber .pct{color:var(--amber-ink)}.t-blue .subj-ic{background:var(--blue-soft);color:var(--blue-ink)}.t-blue .subj-card__bar i{background:var(--blue)}.t-blue .pct{color:var(--blue-ink)}.t-violet .subj-ic{background:var(--violet-soft);color:var(--violet-ink)}.t-violet .subj-card__bar i{background:var(--violet)}.t-violet .pct{color:var(--violet-ink)}.chapters{flex-direction:column;gap:12px;margin-top:clamp(22px,3vw,34px);display:flex}.ch-row{text-align:left;background:var(--surface);border:1px solid var(--rule);box-shadow:var(--shadow-card);border-radius:16px;align-items:center;gap:20px;padding:18px 22px;transition:transform .14s,box-shadow .18s,border-color .18s;display:flex}.ch-row:hover{box-shadow:var(--shadow-lift);border-color:var(--emerald-line);transform:translate(3px)}.ch-row.locked{opacity:.58}.ch-row.locked:hover{box-shadow:var(--shadow-card);border-color:var(--rule);cursor:default;transform:none}.ch-num{background:var(--surface-2);border:1px solid var(--rule);border-radius:14px;flex-direction:column;flex:none;justify-content:center;align-items:center;width:54px;height:54px;line-height:1;display:flex}.ch-num .k{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-ghost);font-size:9px;font-weight:700}.ch-num .n{font-family:var(--ff-display);color:var(--ink-soft);font-size:24px;font-weight:700}.ch-row.done .ch-num{background:var(--emerald-soft);border-color:var(--emerald-line)}.ch-row.done .ch-num .n,.ch-row.done .ch-num .k{color:var(--emerald-deep)}.ch-main{flex:1;min-width:0}.ch-title{font-family:var(--ff-display);font-size:19.5px;font-weight:700;line-height:1.18}.ch-sub{color:var(--ink-faint);flex-wrap:wrap;align-items:center;gap:12px;margin-top:4px;font-size:13.5px;font-weight:500;display:flex}.ch-sub .seg{align-items:center;gap:6px;display:inline-flex}.ch-sub .seg svg{opacity:.7;width:14px;height:14px}.ch-prog{flex:0 0 150px}.ch-prog .track{background:var(--surface-2);border-radius:4px;height:7px;position:relative;overflow:hidden}.ch-prog .track i{background:var(--emerald);border-radius:4px;position:absolute;top:0;bottom:0;left:0}.ch-prog .pl{color:var(--ink-faint);margin-top:6px;font-size:12px;font-weight:600}.ch-cta{flex:none;align-items:center;gap:9px;display:flex}.experiments-cta{cursor:pointer;background:var(--emerald);color:#fff;text-align:left;border:0;border-radius:16px;align-items:center;gap:12px;padding:11px 18px;transition:background .16s,transform .14s,box-shadow .2s;display:inline-flex;box-shadow:0 10px 24px #1f7a4a42}.experiments-cta:hover{background:var(--emerald-2);transform:translateY(-2px);box-shadow:0 14px 32px #1f7a4a52}.experiments-cta__ic{font-size:26px;line-height:1}.experiments-cta__body{flex-direction:column;line-height:1.2;display:flex}.experiments-cta__title{font-family:var(--ff-display);font-size:16px;font-weight:700}.experiments-cta__sub{opacity:.9;font-size:12.5px;font-weight:600}.ch-item{align-items:stretch;gap:12px;display:flex}.ch-item>.ch-row{flex:1;min-width:0}.ch-lab-side{border:1px solid var(--emerald-line);background:var(--emerald-soft);width:96px;color:var(--emerald-deep);box-shadow:var(--shadow-card);cursor:pointer;border-radius:16px;flex-direction:column;flex:none;justify-content:center;align-items:center;gap:4px;transition:background .16s,border-color .16s,transform .14s,box-shadow .2s;display:flex}.ch-lab-side:hover{border-color:var(--emerald);background:color-mix(in srgb, var(--emerald-soft) 60%, var(--emerald) 15%);box-shadow:var(--shadow-lift);transform:translateY(-2px)}.ch-lab-side__ic{font-size:22px;line-height:1}.ch-lab-side__t{letter-spacing:.03em;font-size:12px;font-weight:800}.ch-lab-side:disabled{cursor:default;background:var(--surface-2);border-color:var(--rule);color:var(--ink-faint);box-shadow:none}.ch-lab-side:disabled:hover{background:var(--surface-2);border-color:var(--rule);box-shadow:none;transform:none}.ch-lab-side:disabled .ch-lab-side__ic{opacity:.45}@media (width<=720px){.ch-item{flex-direction:column;gap:8px}.ch-lab-side{flex-direction:row;justify-content:center;gap:8px;width:100%;padding:10px}}.offline-btn{border:1px solid var(--rule);background:var(--paper);min-width:84px;color:var(--ink-soft);cursor:pointer;border-radius:999px;justify-content:center;align-items:center;padding:8px 12px;font-size:12px;font-weight:700;display:inline-flex;position:relative;overflow:hidden}.offline-btn:hover:not(:disabled){border-color:var(--emerald);color:var(--emerald)}.offline-btn.is-progress{cursor:default}.offline-btn.is-done{background:var(--emerald);border-color:var(--emerald);color:#fff;cursor:default}.offline-btn.is-resetting{transition:background-color .65s ease-in-out,border-color .65s ease-in-out,color .65s ease-in-out}.offline-btn__bar{background:var(--emerald-soft);z-index:0;transition:width .2s;position:absolute;top:0;bottom:0;left:0}.offline-btn__label{z-index:1;position:relative}.offline-badge{background:var(--emerald-soft);color:var(--emerald);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:8px 12px;font-size:12px;font-weight:800;display:inline-flex}.offline-badge.is-compact{padding:6px 10px;font-size:11px}.offline-all{white-space:nowrap}.offline-all-wrap{flex-direction:column;align-items:flex-end;gap:5px;display:flex}.offline-storage{color:var(--ink-faint);white-space:nowrap;font-size:11px;font-weight:600}.btn-ghost{border:1px solid var(--rule);background:var(--surface);color:var(--ink-soft);border-radius:11px;align-items:center;gap:7px;padding:10px 16px;font-size:13.5px;font-weight:700;transition:border-color .16s,background .16s;display:inline-flex}.btn-ghost:hover{border-color:var(--ink-ghost);background:var(--surface-2)}.btn-ghost svg{width:15px;height:15px}.btn-emerald{background:var(--emerald);color:#fff;border-radius:11px;align-items:center;gap:7px;padding:10px 18px;font-size:13.5px;font-weight:700;transition:background .16s;display:inline-flex;box-shadow:0 8px 18px #1f7a4a38}.btn-emerald:hover{background:var(--emerald-2)}.btn-emerald svg{width:15px;height:15px}.lock-ic{width:20px;height:20px;color:var(--ink-ghost)}.ch-mode-note{color:var(--ink-faint);font-size:12px;font-weight:600}.toast{background:var(--ink);color:var(--surface);opacity:0;pointer-events:none;z-index:80;border-radius:13px;padding:13px 22px;font-size:14px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:34px;left:50%;transform:translate(-50%)translateY(20px);box-shadow:0 16px 40px #0000004d}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.rolemenu{z-index:50;background:var(--surface);border:1px solid var(--rule);width:248px;box-shadow:var(--shadow-lift);opacity:0;visibility:hidden;border-radius:16px;padding:8px;transition:opacity .18s,transform .18s,visibility .18s;position:absolute;top:64px;right:clamp(20px,3vw,40px);transform:translateY(-6px)}.rolemenu.open{opacity:1;visibility:visible;transform:none}.rolemenu .rm-h{letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);padding:8px 12px 6px;font-size:11px;font-weight:700}.rolemenu button{text-align:left;width:100%;color:var(--ink-soft);border-radius:10px;align-items:center;gap:11px;padding:11px 12px;font-size:14.5px;font-weight:600;display:flex}.rolemenu button:hover{background:var(--surface-2)}.rolemenu button.on{color:var(--ink)}.rolemenu button .rm-ic{background:var(--surface-2);border-radius:9px;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.rolemenu button .rm-ic svg{width:17px;height:17px}.rolemenu button.on .rm-ic{background:var(--emerald-soft);color:var(--emerald-deep)}.rolemenu button .tick{color:var(--emerald);opacity:0;margin-left:auto;font-weight:800}.rolemenu button.on .tick{opacity:1}.rolemenu .rm-div{background:var(--rule);height:1px;margin:6px 4px}.install{z-index:70;background:var(--surface);border:1px solid var(--rule);max-width:min(440px,92vw);box-shadow:var(--shadow-lift);border-radius:16px;align-items:center;gap:14px;padding:12px 12px 12px 16px;animation:.3s ll-rise;display:flex;position:fixed;bottom:34px;left:50%;transform:translate(-50%)}@keyframes ll-rise{0%{opacity:0;transform:translate(-50%)translateY(12px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.install__icon{border-radius:11px;flex:none;width:40px;height:40px}.install__body{flex-direction:column;min-width:0;line-height:1.25;display:flex}.install__body strong{font-size:14.5px;font-family:var(--ff-display)}.install__body span{color:var(--ink-faint);font-size:12.5px}.install__actions{flex-shrink:0;align-items:center;gap:8px;margin-left:6px;display:flex}.install__ios{color:var(--ink-soft);font-size:12.5px;font-weight:600}.install__cta{background:var(--emerald);color:#fff;border-radius:11px;padding:9px 16px;font-size:13.5px;font-weight:700;transition:background .16s;box-shadow:0 8px 18px #1f7a4a38}.install__cta:hover{background:var(--emerald-2)}.install__close{width:30px;height:30px;color:var(--ink-ghost);border-radius:9px;place-items:center;transition:background .14s,color .14s;display:grid}.install__close:hover{background:var(--surface-2);color:var(--ink)}.install__close svg{width:16px;height:16px}.orient{z-index:90;text-align:center;background:radial-gradient(1200px 700px at 50% -10%, var(--paper) 0%, var(--paper-2) 70%, var(--paper-edge) 100%);place-items:center;padding:24px;display:grid;position:fixed;inset:0}.orient__card{flex-direction:column;align-items:center;gap:12px;max-width:320px;display:flex}.orient__phone{border:3px solid var(--emerald);border-radius:12px;width:64px;height:110px;animation:2s ease-in-out infinite ll-turn;position:relative}.orient__phone span{background:var(--emerald);border-radius:999px;width:22px;height:3px;position:absolute;bottom:7px;left:50%;transform:translate(-50%)}@keyframes ll-turn{0%,40%{transform:rotate(0)}60%,to{transform:rotate(-90deg)}}.orient__title{font-family:var(--ff-display);margin:6px 0 0;font-size:22px;font-weight:700}.orient__sub{color:var(--ink-soft);margin:0;font-size:14.5px;line-height:1.5}.fair{flex-direction:column;gap:16px;width:100%;display:flex}.fair__grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.fair__col{background:var(--surface);border:2px solid var(--paper-edge);border-radius:16px;flex-direction:column;gap:12px;padding:14px 16px 16px;display:flex}.fair__col-name{letter-spacing:.12em;color:var(--ink-faint);text-transform:uppercase;font-size:12px;font-weight:800}.fair__col--a .fair__col-name{color:var(--blue-ink)}.fair__col--b .fair__col-name{color:var(--violet-ink)}.fair__var{border-radius:11px;flex-direction:column;gap:5px;padding:8px 10px;display:flex}.fair__var.is-differing{background:var(--amber-soft);box-shadow:inset 0 0 0 1.5px var(--amber)}.fair__var-label{color:var(--ink);align-items:center;gap:8px;font-size:15px;font-weight:800;display:flex}.fair__var-flag{font-size:var(--fs-xs);letter-spacing:.08em;text-transform:uppercase;background:var(--amber);color:#4a3410;border-radius:999px;padding:2px 7px;font-weight:800}.fair__var-hint{color:var(--ink-faint);font-size:12.5px;line-height:1.3}.fair__opts{flex-wrap:wrap;gap:6px;margin-top:2px;display:flex}.fair__opt{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:1.5px solid var(--paper-edge);color:var(--ink-soft);border-radius:999px;align-items:center;gap:5px;padding:6px 11px;font-size:13.5px;font-weight:700;transition:background .12s,border-color .12s,color .12s;display:flex}.fair__opt:hover:not(:disabled){border-color:var(--emerald);background:var(--emerald-soft)}.fair__opt.is-on,.fair__opt.is-on:hover:not(:disabled){background:var(--emerald);border-color:var(--emerald);color:#fff}.fair__opt:disabled{cursor:default;opacity:.7}.fair__opt-emoji{font-size:15px}.fair__verdict{border:2px solid;border-radius:14px;padding:12px 16px;line-height:1.45}.fair__verdict.is-fair{background:var(--emerald-soft);border-color:var(--emerald-line)}.fair__verdict.is-same{background:var(--paper-2);border-color:var(--paper-edge)}.fair__verdict.is-unfair{background:var(--coral-soft);border-color:var(--coral-line)}.fair__verdict-head{margin-bottom:3px;font-size:15.5px;font-weight:800}.fair__verdict.is-fair .fair__verdict-head{color:var(--emerald-deep)}.fair__verdict.is-same .fair__verdict-head{color:var(--ink-soft)}.fair__verdict.is-unfair .fair__verdict-head{color:var(--coral-ink)}.fair__verdict-body{color:var(--ink-soft);font-size:14px}.fair__verdict-body b{color:var(--ink)}.fair__run{cursor:pointer;font-family:var(--ff-body);background:var(--emerald);color:#fff;border:none;border-radius:999px;padding:13px 22px;font-size:16px;font-weight:800;transition:transform .12s,background .15s}.fair__run:hover:not(:disabled){transform:translateY(-2px)}.fair__run:disabled{background:var(--paper-2);color:var(--ink-ghost);cursor:not-allowed}.tscrub{flex-direction:column;gap:7px;width:100%;display:flex}.tscrub__row{align-items:center;gap:12px;display:flex}.tscrub__play{cursor:pointer;width:42px;height:42px;font-size:15px;font-family:var(--ff-body);background:var(--emerald);color:#fff;border:none;border-radius:50%;flex:none;place-items:center;transition:transform .12s;display:grid}.tscrub__play:hover:not(:disabled){transform:scale(1.07)}.tscrub__play:disabled{background:var(--paper-2);color:var(--ink-ghost);cursor:default}.tscrub__range{height:8px;accent-color:var(--emerald);cursor:pointer;flex:1}.tscrub__label{color:var(--ink-soft);text-align:center;letter-spacing:.02em;font-size:15px;font-weight:800}.rsheet{flex-direction:column;gap:10px;width:100%;display:flex}.rsheet__caption{color:var(--ink-soft);font-size:14px;font-weight:800}.rsheet__table{background:var(--surface);border:2px solid var(--paper-edge);border-radius:14px;overflow:auto hidden}.rsheet__head,.rsheet__row{align-items:center;gap:10px;padding:9px 13px;display:grid}.rsheet__head{background:var(--paper-2);letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);font-size:12px;font-weight:800}.rsheet__row{border-top:1px solid var(--rule-soft)}.rsheet__rowlabel{color:var(--ink);align-items:center;gap:8px;min-width:0;font-size:14.5px;font-weight:700;display:flex}.rsheet__rowemoji{flex:none;font-size:19px}.rsheet__cell{flex-direction:column;gap:3px;min-width:0;display:flex}.rsheet__input,.rsheet__select{box-sizing:border-box;width:100%;font-family:var(--ff-body);color:var(--ink);background:var(--paper);border:1.5px solid var(--paper-edge);border-radius:9px;padding:7px 10px;font-size:14px}.rsheet__input:focus,.rsheet__select:focus{border-color:var(--emerald);background:var(--surface);outline:none}.rsheet__input:disabled,.rsheet__select:disabled{opacity:.75}.rsheet__answer{color:var(--amber-ink);font-size:12.5px;font-weight:700;line-height:1.25}.rsheet__answer.is-match{color:var(--emerald-deep)}.rsheet__add{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:1.5px dashed var(--paper-edge);color:var(--ink-soft);border-radius:999px;align-self:flex-start;padding:8px 16px;font-size:14px;font-weight:700}.rsheet__add:hover{border-color:var(--emerald);color:var(--emerald-deep)}.rsheet__footer{color:var(--ink-soft);font-size:14px;line-height:1.45}.rsheet__footer b{color:var(--emerald-deep)}.scimethod__stage{box-sizing:border-box;gap:22px;padding:22px 26px;display:flex;position:absolute;inset:0;overflow:hidden}.scimethod__scene{flex:auto;width:100%;min-width:0;height:100%}.scimethod__panel{flex-direction:column;flex:none;gap:14px;width:400px;padding-right:2px;display:flex;overflow-y:auto}.scimethod__steps{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.scimethod__step{opacity:.45;border-radius:10px;align-items:center;gap:10px;padding:6px 10px;transition:opacity .2s,background .2s;display:flex}.scimethod__step.is-done{opacity:1}.scimethod__step.is-now{opacity:1;background:var(--amber-soft)}.scimethod__step-n{background:var(--paper-2);width:24px;height:24px;color:var(--ink-faint);border-radius:50%;flex:none;place-items:center;font-size:12.5px;font-weight:800;display:grid}.scimethod__step.is-done .scimethod__step-n{background:var(--emerald);color:#fff}.scimethod__step-txt{align-items:baseline;gap:7px;font-size:14px;display:flex}.scimethod__step-txt b{color:var(--ink);font-weight:800}.scimethod__step-txt em{color:var(--ink-faint);font-size:12.5px;font-style:normal}.scimethod__ask,.scimethod__test,.scimethod__result{background:var(--surface);border:2px solid var(--paper-edge);border-radius:16px;padding:15px 17px;animation:.24s mlab5-rise}.scimethod__ask-q{font-family:var(--ff-display);color:var(--ink);font-size:20px;font-weight:700}.scimethod__ask-hint{color:var(--ink-faint);margin-top:3px;font-size:13px}.scimethod__guesses{flex-direction:column;gap:7px;margin-top:12px;display:flex}.scimethod__guess{text-align:left;cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:1.5px solid var(--paper-edge);color:var(--ink);border-radius:12px;align-items:center;gap:8px;padding:11px 13px;font-size:14.5px;transition:transform .12s,border-color .12s,background .12s;display:flex}.scimethod__guess:hover:not(:disabled){border-color:var(--emerald);background:var(--emerald-soft);transform:translate(3px)}.scimethod__guess.is-ruled{opacity:.5;cursor:default;text-decoration:line-through}.scimethod__guess-txt{flex:1}.scimethod__guess-x{font-size:var(--fs-xs);letter-spacing:.07em;text-transform:uppercase;background:var(--coral-soft);color:var(--coral-ink);border-radius:999px;flex:none;padding:2px 7px;font-weight:800;text-decoration:none}.scimethod__test-eyebrow,.scimethod__result-eyebrow{font-size:var(--fs-xs);letter-spacing:.12em;color:var(--ink-faint);font-weight:800}.scimethod__test-guess{font-family:var(--ff-display);color:var(--ink);margin-top:5px;font-size:19px;font-weight:700}.scimethod__test-how{color:var(--ink-soft);margin-top:9px;font-size:14.5px;line-height:1.45}.scimethod__test-how b{color:var(--emerald-deep)}.scimethod__test-btns{flex-direction:column;gap:7px;margin-top:13px;display:flex}.scimethod__run{cursor:pointer;font-family:var(--ff-body);background:var(--emerald);color:#fff;border:none;border-radius:999px;padding:12px 18px;font-size:15.5px;font-weight:800;transition:transform .12s}.scimethod__run:hover{transform:translateY(-2px)}.scimethod__back{cursor:pointer;font-family:var(--ff-body);border:1.5px solid var(--paper-edge);color:var(--ink-soft);background:0 0;border-radius:999px;padding:9px 16px;font-size:14px;font-weight:700}.scimethod__back:hover{border-color:var(--ink-faint);color:var(--ink)}.scimethod__result.is-confirmed{background:var(--emerald-soft);border-color:var(--emerald-line)}.scimethod__result.is-ruled{background:var(--coral-soft);border-color:var(--coral-line)}.scimethod__result.is-confirmed .scimethod__result-eyebrow{color:var(--emerald-deep)}.scimethod__result.is-ruled .scimethod__result-eyebrow{color:var(--coral-ink)}.scimethod__result-body{color:var(--ink);margin-top:6px;font-size:15px;line-height:1.45}.scimethod__result-note{border-top:1px solid var(--rule-soft);color:var(--ink-soft);margin-top:9px;padding-top:9px;font-size:13.5px;font-style:italic;line-height:1.4}.scimethod__result .scimethod__run{width:100%;margin-top:12px}.scientist__stage{box-sizing:border-box;overscroll-behavior:contain;flex-direction:column;gap:14px;padding:20px clamp(12px,2.4vw,26px);display:flex;position:absolute;inset:0;overflow:hidden auto}.scientist__tabs{flex:none;justify-content:center;gap:10px;display:flex}.scientist__tab{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink-soft);border-radius:999px;align-items:center;gap:8px;padding:9px 16px;font-size:15px;font-weight:700;transition:transform .12s,border-color .12s,background .12s;display:flex}.scientist__tab:hover{transform:translateY(-2px)}.scientist__tab.is-active{border-color:var(--emerald);background:var(--emerald-soft);color:var(--emerald-deep)}.scientist__tab.is-done{border-style:solid}.scientist__tab-emoji{font-size:20px}.scientist__tab-tick{color:var(--emerald);font-weight:900}.scientist__problem{text-align:center;color:var(--ink-soft);background:var(--surface);border:1.5px solid var(--paper-edge);box-sizing:border-box;border-radius:12px;flex:none;max-width:900px;margin:0 auto;padding:10px 18px;font-size:16px;line-height:1.45}.scientist__problem b{color:var(--ink)}.scientist__cols{flex:1;grid-template-columns:1.15fr 1fr;gap:20px;min-height:0;display:grid}.scientist__slots{flex-direction:column;gap:7px;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.scientist__slot{background:var(--paper);border:2px dashed var(--paper-edge);border-radius:13px;gap:11px;padding:10px 13px;transition:all .2s;display:flex}.scientist__slot.is-filled{background:var(--emerald-soft);border-style:solid;border-color:var(--emerald-line)}.scientist__slot.is-next{border-color:var(--amber);background:var(--amber-soft)}.scientist__slot-n{background:var(--paper-2);width:26px;height:26px;color:var(--ink-faint);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:800;display:grid}.scientist__slot.is-filled .scientist__slot-n{background:var(--emerald);color:#fff}.scientist__slot-body{flex-direction:column;gap:2px;min-width:0;display:flex}.scientist__slot-name{color:var(--ink);font-size:14px;font-weight:800}.scientist__slot-action{color:var(--ink-soft);font-size:14px;line-height:1.4}.scientist__slot-empty{color:var(--ink-ghost);font-size:13px;font-style:italic}.scientist__pool{flex-direction:column;gap:8px;display:flex;overflow-y:auto}.scientist__pool-title{color:var(--ink-soft);font-size:14.5px;font-weight:700}.scientist__pool-title b{color:var(--emerald-deep)}.scientist__card{text-align:left;cursor:pointer;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);color:var(--ink);border-radius:13px;padding:12px 14px;font-size:14.5px;line-height:1.4;transition:transform .12s,border-color .12s}.scientist__card:hover{border-color:var(--emerald);transform:translateY(-2px)}.scientist__card.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.scientist__oops{color:var(--coral-ink);font-size:13.5px;font-weight:700;line-height:1.4}.scientist__oops b{color:var(--ink)}.scientist__next{cursor:pointer;font-family:var(--ff-body);background:var(--emerald);color:#fff;border:none;border-radius:999px;align-self:flex-start;margin-top:4px;padding:11px 20px;font-size:15px;font-weight:800;transition:transform .12s}.scientist__next:hover{transform:translateY(-2px)}@media (width<=900px){.scimethod__stage{flex-direction:column;overflow-y:auto}.scimethod__panel{width:100%}.scientist__cols,.fair__grid{grid-template-columns:1fr}}@media (width<=720px){.ch-prog{display:none}.ch-row{flex-wrap:wrap}.page-head{align-items:flex-start}.appbar__brand .name{display:none}}@media (width>=2000px){.wrap{max-width:1480px}body{font-size:17px}}.askwhy__stage{box-sizing:border-box;flex-direction:column;gap:14px;padding:20px 28px;display:flex;position:absolute;inset:0;overflow-y:auto}.askwhy__head{text-align:center;flex:none}.askwhy__head-title{font-family:var(--ff-display);color:var(--ink);font-size:24px;font-weight:700}.askwhy__head-sub{color:var(--ink-faint);margin-top:3px;font-size:14.5px}.askwhy__sortrow{flex:1;grid-template-columns:1.1fr 1fr;gap:20px;min-height:0;display:grid}.askwhy__claims{flex-direction:column;gap:9px;display:flex;overflow-y:auto}.askwhy__claim{background:var(--surface);border:2px solid var(--paper-edge);border-radius:14px;flex-direction:column;gap:9px;padding:13px 15px;display:flex}.askwhy__claim.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.askwhy__claim-txt{color:var(--ink);font-size:15.5px;line-height:1.4}.askwhy__claim-btns{gap:8px;display:flex}.askwhy__pill{cursor:pointer;font-family:var(--ff-body);border:1.5px solid var(--paper-edge);background:var(--paper);border-radius:999px;padding:7px 15px;font-size:13.5px;font-weight:800;transition:transform .12s,background .12s,border-color .12s}.askwhy__pill:hover{transform:translateY(-2px)}.askwhy__pill.is-yes{color:var(--emerald-deep)}.askwhy__pill.is-yes:hover{background:var(--emerald-soft);border-color:var(--emerald)}.askwhy__pill.is-no{color:var(--coral-ink)}.askwhy__pill.is-no:hover{background:var(--coral-soft);border-color:var(--coral)}.askwhy__done{flex-direction:column;gap:8px;display:flex;overflow-y:auto}.askwhy__done-title{letter-spacing:.1em;color:var(--ink-faint);text-transform:uppercase;font-size:12px;font-weight:800}.askwhy__done-empty{color:var(--ink-ghost);font-size:13.5px;font-style:italic}.askwhy__donecard{border:2px solid;border-radius:12px;padding:11px 13px}.askwhy__donecard.is-yes{background:var(--emerald-soft);border-color:var(--emerald-line)}.askwhy__donecard.is-no{background:var(--coral-soft);border-color:var(--coral-line)}.askwhy__donecard-top{font-size:var(--fs-xs);letter-spacing:.06em;text-transform:uppercase;font-weight:800}.askwhy__donecard.is-yes .askwhy__donecard-top{color:var(--emerald-deep)}.askwhy__donecard.is-no .askwhy__donecard-top{color:var(--coral-ink)}.askwhy__donecard-txt{color:var(--ink);margin-top:3px;font-size:14px;font-weight:700;line-height:1.35}.askwhy__donecard-why{color:var(--ink-soft);margin-top:4px;font-size:13px;line-height:1.4}.askwhy__oops{text-align:center;color:var(--coral-ink);flex:none;font-size:14px;font-weight:700}.askwhy__oops b{color:var(--ink)}.askwhy__build{flex-direction:column;flex:1;gap:13px;min-height:0;display:flex;overflow-y:auto}.askwhy__starters{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.askwhy__starter{cursor:pointer;font-family:var(--ff-body);text-align:left;background:var(--paper);border:1.5px solid var(--paper-edge);color:var(--ink-soft);border-radius:999px;align-items:center;gap:7px;padding:8px 14px;font-size:13.5px;transition:transform .12s,border-color .12s,background .12s;display:flex}.askwhy__starter:hover{border-color:var(--emerald);transform:translateY(-2px)}.askwhy__starter.is-on{background:var(--emerald-soft);border-color:var(--emerald);color:var(--emerald-deep);font-weight:700}.askwhy__starter-emoji{font-size:17px}.askwhy__chain{flex-direction:column;gap:9px;width:100%;max-width:900px;margin:0 auto;display:flex}.askwhy__field{background:var(--surface);border:2px solid var(--paper-edge);border-radius:14px;gap:11px;padding:12px 14px;transition:border-color .2s;display:flex}.askwhy__field.is-filled{border-color:var(--emerald-line);background:var(--emerald-soft)}.askwhy__field-n{background:var(--paper-2);width:26px;height:26px;color:var(--ink-faint);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:800;display:grid}.askwhy__field.is-filled .askwhy__field-n{background:var(--emerald);color:#fff}.askwhy__field-body{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.askwhy__field-label{color:var(--ink);font-size:14px;font-weight:800}.askwhy__input{box-sizing:border-box;resize:vertical;width:100%;font-family:var(--ff-body);color:var(--ink);background:var(--paper);border:1.5px solid var(--paper-edge);border-radius:10px;padding:8px 11px;font-size:14.5px;line-height:1.45}.askwhy__input:focus{border-color:var(--emerald);background:var(--surface);outline:none}.askwhy__check{background:var(--amber-soft);border:2px solid var(--amber);border-radius:16px;flex-direction:column;gap:8px;width:100%;max-width:900px;margin:0 auto;padding:15px 17px;display:flex}.askwhy__check-title{color:var(--ink);font-size:15px;font-weight:800}.askwhy__crit{cursor:pointer;color:var(--ink-soft);background:var(--paper);border:1.5px solid var(--paper-edge);border-radius:11px;align-items:flex-start;gap:9px;padding:9px 11px;font-size:14.5px;line-height:1.4;transition:all .15s;display:flex}.askwhy__crit.is-on{background:var(--emerald-soft);border-color:var(--emerald-line);color:var(--emerald-deep);font-weight:700}.askwhy__crit input{accent-color:var(--emerald);width:17px;height:17px;margin-top:2px}.askwhy__check-note{color:var(--ink-soft);font-size:13.5px;font-style:italic;line-height:1.45}.askwhy__go{cursor:pointer;font-family:var(--ff-body);background:var(--emerald);color:#fff;border:none;border-radius:999px;align-self:center;padding:13px 26px;font-size:16px;font-weight:800;transition:transform .12s}.askwhy__go:hover{transform:translateY(-2px)}@media (width<=900px){.askwhy__sortrow{grid-template-columns:1fr}}.water__stage{box-sizing:border-box;overscroll-behavior:contain;flex-direction:column;align-items:center;gap:14px;padding:20px clamp(12px,2.4vw,26px);display:flex;position:absolute;inset:0;overflow:hidden auto}.water__stage--split{flex-direction:row;align-items:stretch;gap:22px}.water__stage--panelonly{overflow-y:auto}.water__scene{flex:auto;width:100%;min-width:0;height:100%;min-height:0}.water__stage--split .water__scene{flex:58%}.water__controls{flex-direction:column;flex:none;gap:12px;width:100%;max-width:720px;display:flex}.water__panel{flex-direction:column;flex:42%;gap:13px;min-width:320px;max-width:560px;padding-right:2px;display:flex;overflow-y:auto}.water__hint{color:var(--ink-soft);text-align:center;background:var(--surface);border:1.5px solid var(--paper-edge);border-radius:12px;padding:10px 16px;font-size:15px;line-height:1.45}.water__hint.is-warn{background:var(--amber-soft);border-color:var(--amber);color:var(--amber-ink);font-weight:700}.water__btn{cursor:pointer;font-family:var(--ff-body);background:var(--emerald);color:#fff;border:none;border-radius:999px;padding:13px 22px;font-size:16px;font-weight:800;transition:transform .12s,background .15s}.water__btn:hover:not(:disabled){transform:translateY(-2px)}.water__btn:disabled{background:var(--paper-2);color:var(--ink-ghost);cursor:not-allowed}.water__btn--ghost{border:2px solid var(--paper-edge);color:var(--ink-soft);background:0 0;font-weight:700}.water__btn--ghost:hover:not(:disabled){border-color:var(--emerald);color:var(--emerald-deep);background:var(--emerald-soft)}.water__next{background:var(--amber-soft);border:2px solid var(--amber);border-radius:14px;flex-direction:column;gap:10px;padding:13px 16px;display:flex}.water__next.is-done{background:var(--emerald-soft);border-color:var(--emerald-line)}.water__next-txt{color:var(--ink);font-size:15px;line-height:1.45}.sweat__title{font-family:var(--ff-display);color:var(--ink);font-size:21px;font-weight:700}.sweat__table{border-collapse:collapse;width:100%;font-size:13.5px}.sweat__table th{text-align:left;font-size:var(--fs-xs);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);border-bottom:2px solid var(--paper-edge);padding:7px 8px}.sweat__table td{border-bottom:1px solid var(--rule-soft);color:var(--ink-soft);vertical-align:top;padding:10px 8px}.sweat__idea{color:var(--ink);font-weight:700}.sweat__table tr.is-dead{opacity:.55}.sweat__table tr.is-dead .sweat__idea{text-decoration:line-through}.sweat__table tr.is-alive td{background:var(--emerald-soft)}.sweat__mark{margin-left:6px;font-weight:900;display:inline-block}.sweat__mark.is-ok{color:var(--emerald)}.sweat__mark.is-no{color:var(--coral)}.sweat__evidence{flex-direction:column;gap:7px;display:flex}.sweat__ev{background:var(--surface);border:1.5px solid var(--paper-edge);border-radius:11px;align-items:center;gap:10px;padding:9px 12px;font-size:14.5px;display:flex}.sweat__ev-k{font-size:var(--fs-xs);letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);min-width:62px;font-weight:800}.sweat__ev-v{color:var(--ink)}.sweat__ev-v b{color:var(--emerald-deep)}.evap__wrap{flex-direction:column;gap:16px;width:100%;max-width:1080px;margin:0 auto;display:flex}.evap__run{flex-direction:column;align-items:center;gap:14px;display:flex}.evap__run-head{color:var(--ink-soft);font-size:16px}.evap__run-head b{color:var(--emerald-deep)}.evap__race{flex-direction:column;gap:12px;width:100%;max-width:620px;display:flex}.evap__lane{grid-template-columns:76px 1fr 150px;align-items:center;gap:12px;display:grid}.evap__lane-name{letter-spacing:.06em;text-transform:uppercase;font-size:13px;font-weight:800}.evap__lane--a .evap__lane-name{color:var(--blue-ink)}.evap__lane--b .evap__lane-name{color:var(--violet-ink)}.evap__dish{background:var(--paper-2);border:2px solid var(--paper-edge);border-top:none;border-radius:0 0 14px 14px;height:46px;display:block;position:relative;overflow:hidden}.evap__water{background:#8fc4e8;transition:height .4s;position:absolute;bottom:0;left:0;right:0}.evap__lane-time{color:var(--ink-soft);text-align:right;font-size:14px}.evap__scale{color:var(--ink-faint);text-align:center;font-size:12.5px}.evap__finding{background:var(--emerald-soft);border:2px solid var(--emerald-line);border-radius:14px;max-width:620px;padding:13px 16px}.evap__finding-head{font-size:var(--fs-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--emerald-deep);font-weight:800}.evap__finding-body{color:var(--ink);margin-top:5px;font-size:15px;line-height:1.45}.evap__found{background:var(--surface);border:1.5px solid var(--paper-edge);border-radius:14px;padding:13px 16px}.evap__found-title{color:var(--ink-soft);font-size:13px;font-weight:800}.evap__found-chips{flex-wrap:wrap;gap:7px;margin-top:8px;display:flex}.evap__chip{background:var(--paper-2);color:var(--ink-faint);border:1.5px solid #0000;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:700}.evap__chip.is-on{background:var(--emerald-soft);color:var(--emerald-deep);border-color:var(--emerald-line)}.evap__found-note{color:var(--ink-faint);margin-top:8px;font-size:13px;font-style:italic}.namechg__wrap{flex-direction:column;align-items:center;gap:16px;width:100%;max-width:1060px;margin:0 auto;display:flex}.namechg__diagram{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;display:flex}.namechg__col{display:flex}.namechg__arrows{flex-direction:column;gap:8px;display:flex}.namechg__arrow{align-items:center;gap:6px;display:flex}.namechg__arrow-line{color:var(--ink-ghost);letter-spacing:-1px;font-size:15px}.namechg__slot{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:2px dashed var(--paper-edge);color:var(--ink-faint);border-radius:13px;flex-direction:column;align-items:center;gap:2px;transition:all .15s;display:flex}.namechg__slot--state{min-width:132px;padding:18px 14px}.namechg__slot--arrow{min-width:118px;padding:9px 12px}.namechg__slot.is-open{border-color:var(--amber);background:var(--amber-soft)}.namechg__slot.is-filled{border-style:solid;border-color:var(--emerald-line);background:var(--emerald-soft);color:var(--emerald-deep);cursor:default}.namechg__slot.is-given{border-color:var(--rule);background:var(--paper-2);color:var(--ink-soft)}.namechg__slot.is-reject{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.namechg__slot-mark{font-size:var(--fs-xs);letter-spacing:.1em;opacity:.7;font-weight:800}.namechg__slot-word{font-size:16px;font-weight:800}.namechg__slot--state .namechg__slot-word{font-size:19px}.namechg__legend{color:var(--ink-faint);gap:48px;font-size:13px;font-weight:700;display:flex}.namechg__reject{color:var(--coral-ink);text-align:center;max-width:620px;font-size:14.5px;font-weight:700;line-height:1.4}.namechg__bank{flex-direction:column;align-items:center;gap:10px;display:flex}.namechg__bank-title{color:var(--ink-soft);font-size:15px}.namechg__bank-title b{color:var(--emerald-deep)}.namechg__bank-words{flex-wrap:wrap;justify-content:center;gap:9px;display:flex}.namechg__word{cursor:pointer;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);color:var(--ink);border-radius:999px;padding:10px 20px;font-size:15.5px;font-weight:700;transition:transform .12s,all .15s}.namechg__word:hover:not(:disabled){border-color:var(--emerald);transform:translateY(-2px)}.namechg__word.is-held{background:var(--amber);border-color:var(--amber);color:#4a3410}.namechg__word.is-used{opacity:.35;cursor:default;text-decoration:line-through}.states__left{flex-direction:column;flex:52%;gap:12px;min-width:0;display:flex}.states__pickers{flex-direction:column;gap:9px;display:flex}.states__picker{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.states__picker-label{font-size:var(--fs-xs);letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);min-width:74px;font-weight:800}.states__chip{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:1.5px solid var(--paper-edge);color:var(--ink-soft);border-radius:999px;align-items:center;gap:5px;padding:7px 13px;font-size:13.5px;font-weight:700;transition:all .13s;display:flex}.states__chip:hover{border-color:var(--emerald);transform:translateY(-2px)}.states__chip.is-on{background:var(--emerald);border-color:var(--emerald);color:#fff}.cloud__toggle{gap:8px;display:flex}.cloud__tab{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink-soft);border-radius:12px;flex:1;padding:11px 14px;font-size:14.5px;font-weight:700;transition:all .15s}.cloud__tab.is-on{background:var(--emerald-soft);border-color:var(--emerald);color:var(--emerald-deep)}.cloud__state{background:var(--surface);border:1.5px solid var(--paper-edge);color:var(--ink-soft);border-radius:13px;padding:13px 16px;font-size:15.5px;line-height:1.45}.cloud__state b{color:var(--emerald-deep)}.cloud__nudge{background:var(--amber-soft);border:2px solid var(--amber);color:var(--amber-ink);border-radius:13px;padding:12px 15px;font-size:14px;line-height:1.45}.cloud__nudge b{color:var(--ink)}.cycle__left{flex-direction:column;flex:58%;gap:10px;min-width:0;display:flex}.cycle__pins{flex-wrap:wrap;gap:6px;display:flex}.cycle__pin{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:1.5px dashed var(--paper-edge);color:var(--ink-faint);border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:700;transition:all .13s}.cycle__pin.is-open{border-color:var(--amber);background:var(--amber-soft);color:var(--amber-ink)}.cycle__pin.is-filled{border-style:solid;border-color:var(--emerald-line);background:var(--emerald-soft);color:var(--emerald-deep);cursor:default}.cycle__title{color:var(--ink-soft);font-size:16px;line-height:1.45}.cycle__title b{color:var(--emerald-deep)}.cycle__bank{flex-wrap:wrap;gap:8px;display:flex}.cycle__word{cursor:pointer;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);color:var(--ink);border-radius:999px;padding:9px 16px;font-size:14.5px;font-weight:700;transition:all .13s}.cycle__word:hover:not(:disabled){border-color:var(--emerald);transform:translateY(-2px)}.cycle__word.is-held{background:var(--amber);border-color:var(--amber);color:#4a3410}.cycle__word.is-used{opacity:.32;cursor:default;text-decoration:line-through}.cycle__oops{color:var(--coral-ink);font-size:14px;font-weight:700}.cycle__say{background:var(--emerald-soft);border:2px solid var(--emerald-line);color:var(--ink);border-radius:14px;padding:14px 16px;font-size:15.5px;line-height:1.5}.pot__title{color:var(--ink-soft);font-size:16px;line-height:1.45}.pot__steps{flex-direction:column;gap:5px;margin:0;padding:0;list-style:none;display:flex}.pot__step{opacity:.42;border-radius:11px;gap:10px;padding:8px 11px;transition:all .2s;display:flex}.pot__step.is-done{opacity:1;background:var(--emerald-soft)}.pot__step.is-now{opacity:1;background:var(--amber-soft)}.pot__step-n{background:var(--paper-2);width:23px;height:23px;color:var(--ink-faint);border-radius:50%;flex:none;place-items:center;font-size:12px;font-weight:800;display:grid}.pot__step.is-done .pot__step-n{background:var(--emerald);color:#fff}.pot__step span:last-child{flex-direction:column;gap:1px;display:flex}.pot__step b{color:var(--ink);font-size:14px}.pot__step em{color:var(--ink-faint);font-size:12.5px;font-style:normal}.pot__moisture{align-items:center;gap:10px;display:flex}.pot__moisture-k{font-size:var(--fs-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);font-weight:800}.pot__moisture-bar{background:var(--paper-2);border-radius:999px;flex:1;height:14px;overflow:hidden}.pot__moisture-fill{background:#6a94c4;border-radius:999px;height:100%;transition:width .3s;display:block}.pot__moisture-fill.is-dry{background:var(--amber)}.pot__moisture-v{color:var(--ink-soft);text-align:right;min-width:42px;font-size:13px;font-weight:800}.pot__warn{background:var(--coral-soft);border:2px solid var(--coral-line);color:var(--coral-ink);border-radius:13px;padding:12px 15px;font-size:14px;font-weight:600;line-height:1.45}@media (width<=1000px){.water__stage--split{flex-direction:column;overflow-y:auto}.water__panel{flex:none;max-width:100%}.states__left,.cycle__left{flex:none}}.sep__winds,.sep__routes{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.sep__wind,.sep__route{cursor:pointer;font-family:var(--ff-body);text-align:left;background:var(--surface);border:2px solid var(--paper-edge);color:var(--ink);border-radius:14px;flex-direction:column;gap:2px;padding:12px 18px;transition:transform .12s,border-color .12s,background .12s;display:flex;position:relative}.sep__route{max-width:340px}.sep__wind:hover,.sep__route:hover{border-color:var(--emerald);transform:translateY(-2px)}.sep__wind.is-on{border-color:var(--emerald);background:var(--emerald-soft)}.sep__wind.is-tried{border-style:solid}.sep__wind b,.sep__route b{font-size:15.5px}.sep__wind em,.sep__route em{color:var(--ink-faint);font-size:13px;font-style:normal;line-height:1.35}.sep__wind-tick{color:var(--emerald);font-size:12.5px;font-weight:800;position:absolute;top:7px;right:10px}.sep__materials{flex-direction:column;gap:7px;display:flex}.sep__material{cursor:pointer;text-align:left;font-family:var(--ff-body);background:var(--surface);border:1.5px solid var(--paper-edge);color:var(--ink);border-radius:12px;align-items:center;gap:11px;padding:9px 12px;transition:transform .12s,border-color .12s;display:flex}.sep__material:hover:not(:disabled){border-color:var(--emerald);transform:translate(3px)}.sep__material.is-used{opacity:.4;cursor:default}.sep__material-swatch{border:1px solid #0000001f;border-radius:7px;flex:none;width:26px;height:26px}.sep__material span:last-child{flex-direction:column;gap:1px;display:flex}.sep__material b{font-size:14.5px}.sep__material em{color:var(--ink-faint);font-size:12.5px;font-style:normal}.sep__buttons{flex-wrap:wrap;gap:9px;display:flex}.sep__notes{flex-direction:column;gap:4px;margin:7px 0 0;padding-left:18px;display:flex}.sep__notes li{color:var(--ink-soft);font-size:13.5px;line-height:1.4}.whysep__wrap{flex-direction:column;align-items:center;gap:16px;width:100%;max-width:940px;margin:0 auto;display:flex}.whysep__card{text-align:center;background:var(--surface);border:2px solid var(--paper-edge);width:100%;box-shadow:var(--shadow-card);border-radius:18px;padding:22px 24px}.whysep__card-eyebrow{font-size:var(--fs-xs);letter-spacing:.12em;color:var(--ink-faint);font-weight:800}.whysep__card-txt{font-family:var(--ff-display);color:var(--ink);margin:9px 0 18px;font-size:23px;font-weight:700;line-height:1.35}.whysep__baskets{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.whysep__basket{cursor:pointer;min-width:240px;max-width:320px;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink);border-radius:15px;flex-direction:column;flex:1;align-items:center;gap:3px;padding:16px 18px;transition:all .13s;display:flex}.whysep__basket:hover{border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-3px)}.whysep__basket-emoji{font-size:27px}.whysep__basket b{font-size:15.5px}.whysep__basket em{color:var(--ink-faint);text-align:center;font-size:12.5px;font-style:normal}.whysep__fb{border:2px solid;border-radius:14px;width:100%;padding:13px 17px;font-size:15px;line-height:1.5}.whysep__fb.is-right{background:var(--emerald-soft);border-color:var(--emerald-line);color:var(--ink)}.whysep__fb.is-rethink{background:var(--amber-soft);border-color:var(--amber);color:var(--ink)}.whysep__summary{grid-template-columns:1fr 1fr;gap:16px;width:100%;display:grid}.whysep__col{flex-direction:column;gap:8px;display:flex}.whysep__col-head{color:var(--emerald-deep);font-size:14.5px;font-weight:800}.whysep__done{background:var(--surface);border:1.5px solid var(--paper-edge);border-radius:12px;flex-direction:column;gap:3px;padding:10px 13px;display:flex}.whysep__done b{color:var(--ink);font-size:14px;line-height:1.35}.whysep__done em{color:var(--ink-faint);font-size:12.5px;font-style:normal;line-height:1.4}.whysep__progress{gap:6px;display:flex}.whysep__dot{background:var(--paper-2);border-radius:50%;width:10px;height:10px;transition:background .2s}.whysep__dot.is-on{background:var(--emerald)}.fish__wrap{flex-direction:column;gap:14px;width:100%;max-width:1080px;margin:0 auto;display:flex}.fish__tanks{grid-template-columns:1fr 1.35fr;gap:16px;display:grid}.fish__tank{background:var(--surface);border:2px solid var(--paper-edge);border-radius:16px;padding:13px 15px}.fish__tank-head{letter-spacing:.05em;color:var(--ink-faint);margin-bottom:9px;font-size:13px;font-weight:800}.fish__list{flex-direction:column;gap:6px;display:flex}.fish__fish,.fish__slip{text-align:left;cursor:pointer;font-family:var(--ff-body);border:1.5px solid var(--paper-edge);background:var(--paper);color:var(--ink);border-radius:11px;padding:9px 13px;font-size:14px;line-height:1.35;transition:all .13s}.fish__fish{font-weight:700}.fish__fish:hover:not(:disabled),.fish__slip:hover:not(:disabled){border-color:var(--emerald);transform:translate(3px)}.fish__fish.is-held{background:var(--amber);border-color:var(--amber);color:#4a3410}.fish__slip.is-open{border-style:dashed;border-color:var(--amber)}.fish__slip.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.fish__fish.is-done,.fish__slip.is-done{opacity:.35;cursor:default;text-decoration:line-through}.fish__status{color:var(--ink-soft);text-align:center;font-size:15px;line-height:1.45}.fish__status b{color:var(--emerald-deep)}.fish__oops{color:var(--coral-ink);font-weight:700}.fish__caught{flex-direction:column;gap:6px;display:flex}.fish__pair{background:var(--emerald-soft);border:1.5px solid var(--emerald-line);border-radius:11px;grid-template-columns:190px 1fr;align-items:baseline;gap:4px 12px;padding:9px 13px;display:grid}.fish__pair b{color:var(--emerald-deep);font-size:14.5px}.fish__pair span{color:var(--ink);font-size:14px}.fish__pair em{color:var(--ink-faint);grid-column:1/-1;font-size:12.5px;font-style:normal}@media (width<=900px){.fish__tanks,.whysep__summary,.fish__pair{grid-template-columns:1fr}}.living__wrap,.mosq__wrap,.frog__wrap{flex-direction:column;align-items:center;gap:14px;width:100%;max-width:1080px;margin:0 auto;display:flex}.living__head{text-align:center}.living__pass{letter-spacing:.12em;color:var(--emerald-deep);font-size:11.5px;font-weight:800}.living__sub{color:var(--ink-faint);max-width:720px;margin-top:4px;font-size:14.5px;line-height:1.45}.living__chars{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.living__char{background:var(--emerald-soft);color:var(--emerald-deep);border:1px solid var(--emerald-line);cursor:help;border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:700}.living__grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:8px;width:100%;display:grid}.living__item{background:var(--surface);border:2px solid var(--paper-edge);border-radius:13px;grid-template-columns:32px 1fr;align-items:center;gap:3px 10px;padding:10px 13px;display:grid}.living__item.is-right{border-color:var(--emerald-line);background:var(--emerald-soft)}.living__item.is-wrong{border-color:var(--coral-line);background:var(--coral-soft)}.living__item-emoji{grid-row:span 2;font-size:24px}.living__item-label{color:var(--ink);font-size:14.5px;font-weight:700}.living__item-btns{gap:6px;display:flex}.living__item-verdict{color:var(--ink-soft);font-size:13px;font-weight:800}.living__item-verdict em{color:var(--coral-ink);font-style:normal;font-weight:600}.living__item-why{color:var(--ink-faint);grid-column:1/-1;margin-top:4px;font-size:12.5px;line-height:1.45}.living__changed{color:var(--ink-soft);text-align:center;font-size:15px}.living__changed b{color:var(--emerald-deep)}.germ__reason{color:var(--ink-soft);margin-bottom:6px;font-size:13.5px;line-height:1.45}.germ__reason b{color:var(--emerald-deep);margin-right:4px}.mosq__plans{grid-template-columns:1fr 1fr;gap:10px;width:100%;display:grid}.mosq__plan{text-align:left;cursor:pointer;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);color:var(--ink);border-radius:14px;flex-direction:column;gap:3px;padding:13px 16px;transition:all .13s;display:flex;position:relative}.mosq__plan:hover{border-color:var(--emerald);transform:translateY(-2px)}.mosq__plan.is-open{border-color:var(--amber);background:var(--amber-soft)}.mosq__plan b{font-size:15px}.mosq__plan em{color:var(--ink-faint);font-size:13px;font-style:normal;line-height:1.4}.mosq__outcome{border:2px solid;border-radius:14px;width:100%;padding:14px 17px}.mosq__outcome.is-good{background:var(--emerald-soft);border-color:var(--emerald-line)}.mosq__outcome.is-bad{background:var(--amber-soft);border-color:var(--amber)}.mosq__outcome-head{letter-spacing:.1em;font-size:11.5px;font-weight:800}.mosq__outcome.is-good .mosq__outcome-head{color:var(--emerald-deep)}.mosq__outcome.is-bad .mosq__outcome-head{color:var(--amber-ink)}.mosq__outcome-body{color:var(--ink);margin-top:6px;font-size:15px;line-height:1.5}.mosq__chain{grid-template-columns:repeat(4,1fr);gap:10px;width:100%;display:grid}.mosq__slot{text-align:center;background:var(--paper);border:2px dashed var(--paper-edge);border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:3px;min-height:116px;padding:14px 12px;display:flex}.mosq__slot.is-filled{border-style:solid;border-color:var(--emerald-line);background:var(--emerald-soft)}.mosq__slot.is-next{border-color:var(--amber);background:var(--amber-soft)}.mosq__slot-n{letter-spacing:.09em;color:var(--ink-faint);font-size:10.5px;font-weight:800}.mosq__slot-emoji{font-size:27px}.mosq__slot b{color:var(--ink);font-size:14.5px}.mosq__slot em{color:var(--ink-faint);font-size:12px;font-style:normal;line-height:1.35}.mosq__slot-empty{color:var(--ink-ghost);font-size:26px}.mosq__pool{flex-wrap:wrap;justify-content:center;gap:9px;display:flex}.mosq__card{cursor:pointer;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);color:var(--ink);border-radius:999px;align-items:center;gap:7px;padding:11px 18px;font-size:15px;font-weight:700;transition:all .13s;display:flex}.mosq__card:hover{border-color:var(--emerald);transform:translateY(-2px)}.mosq__card.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.frog__chain{grid-template-columns:repeat(6,1fr);gap:8px;width:100%;display:grid}.frog__slot{text-align:center;background:var(--paper);border:2px dashed var(--paper-edge);border-radius:13px;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:132px;padding:10px 6px;display:flex}.frog__slot.is-filled{border-style:solid;border-color:var(--emerald-line);background:var(--emerald-soft)}.frog__slot.is-next{border-color:var(--amber);background:var(--amber-soft)}.frog__slot-n{color:var(--ink-faint);font-size:10.5px;font-weight:800}.frog__slot b{color:var(--ink);font-size:12.5px;line-height:1.25}.frog__slot em{color:var(--ink-faint);font-size:11px;font-style:normal}.frog__slot-empty{color:var(--ink-ghost);font-size:24px}.frog__art{width:74px;height:52px;display:block}.frog__pool{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.frog__card{cursor:pointer;background:var(--surface);border:2px solid var(--paper-edge);border-radius:13px;padding:9px 12px;transition:all .13s;position:relative}.frog__card:hover{border-color:var(--emerald);transform:translateY(-3px)}.frog__card.is-open{border-color:var(--amber);background:var(--amber-soft)}.frog__card.is-wrong{border-color:var(--coral);background:var(--coral-soft);animation:.3s motion-shake}.frog__card-mark{color:var(--ink-faint);font-size:11px;font-weight:800;position:absolute;top:4px;left:7px}.frog__inspect{background:var(--surface);border:1.5px solid var(--paper-edge);max-width:780px;color:var(--ink-soft);text-align:center;border-radius:13px;padding:12px 16px;font-size:14.5px;line-height:1.5}.frog__inspect b{color:var(--emerald-deep)}.frog__inspect em{color:var(--ink-faint);font-style:normal}.frog__table{flex-direction:column;gap:5px;width:100%;max-width:720px;display:flex}.frog__row{background:var(--emerald-soft);border:1px solid var(--emerald-line);border-radius:11px;grid-template-columns:1.3fr .8fr 1fr;align-items:center;gap:12px;padding:9px 14px;display:grid}.frog__row b{color:var(--ink);font-size:14px}.frog__row span,.frog__row em{color:var(--ink-soft);font-size:13px;font-style:normal}@media (width<=900px){.mosq__plans,.mosq__chain{grid-template-columns:1fr}.frog__chain{grid-template-columns:repeat(3,1fr)}}.breath__wrap{flex-direction:column;align-items:center;gap:16px;width:100%;max-width:860px;margin:0 auto;display:flex}.breath__caution{background:var(--amber-soft);border:2px solid var(--amber);width:100%;color:var(--amber-ink);border-radius:12px;padding:11px 15px;font-size:13.5px;line-height:1.45}.breath__timer{justify-content:center;display:flex}.breath__ring{background:var(--surface);border:6px solid var(--paper-edge);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:2px;width:168px;height:168px;transition:border-color .3s;display:flex}.breath__ring.is-holding{border-color:var(--emerald);animation:2.4s ease-in-out infinite breath-pulse}@keyframes breath-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.045)}}.breath__secs{font-family:var(--ff-display);color:var(--ink);font-size:52px;font-weight:700;line-height:1}.breath__unit{color:var(--ink-faint);letter-spacing:.06em;font-size:13px;font-weight:700}.breath__steps{text-align:center;flex-direction:column;align-items:center;gap:9px;display:flex}.breath__steps p{color:var(--ink-soft);max-width:560px;margin:0;font-size:15.5px;line-height:1.5}.breath__steps b{color:var(--emerald-deep)}.breath__air{flex-direction:column;align-items:center;gap:9px;width:100%;display:flex}.breath__air-title{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);font-size:13px;font-weight:800}.breath__grid{grid-template-columns:repeat(20,1fr);gap:3px;width:100%;max-width:460px;display:grid}.breath__cell{aspect-ratio:1;border-radius:2px;transition:background .4s}.breath__legend{color:var(--ink-soft);flex-wrap:wrap;justify-content:center;gap:14px;font-size:13px;display:flex}.breath__legend-item{align-items:center;gap:6px;display:flex}.breath__swatch{border-radius:3px;width:13px;height:13px;transition:background .4s}.breath__air-note{color:var(--ink-ghost);font-size:12.5px;font-style:italic}.firki__stage{flex-direction:column;flex:55%;justify-content:center;align-items:center;gap:16px;min-width:0;display:flex}.firki__rig{flex-direction:column;align-items:center;display:flex;position:relative}.firki__wheel{width:176px;height:176px;animation-name:firki-spin;animation-timing-function:linear;animation-iteration-count:infinite;position:relative}@keyframes firki-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.firki__blade{transform-origin:0 0;border-radius:50% 6px;width:76px;height:76px;position:absolute;top:50%;left:50%}.firki__blade--0{background:#e0574f;transform:rotate(0)}.firki__blade--1{background:#f0b429;transform:rotate(90deg)}.firki__blade--2{background:#3f8f6f;transform:rotate(180deg)}.firki__blade--3{background:#4a7fb5;transform:rotate(270deg)}.firki__pin{background:var(--ink-soft);width:16px;height:16px;box-shadow:0 0 0 3px var(--surface);border-radius:50%;margin:-8px 0 0 -8px;position:absolute;top:50%;left:50%}.firki__stick{background:#c2a878;border-radius:5px;width:9px;height:128px;margin-top:-6px}.firki__load{flex-direction:column;align-items:center;display:flex;position:absolute;top:88px;right:-58px}.firki__string{background:var(--ink-faint);width:2px;height:56px;transition:height .6s}.firki__load.is-up .firki__string{height:14px}.firki__weight{font-size:24px}.firki__wind-label{color:var(--ink-soft);text-align:center;max-width:400px;font-size:15.5px;font-weight:700}.audit__wrap{flex-direction:column;gap:16px;width:100%;max-width:900px;margin:0 auto;display:flex}.audit__meter{background:var(--surface);border:2px solid var(--paper-edge);border-radius:16px;flex-direction:column;gap:9px;padding:15px 18px;display:flex}.audit__meter-row{grid-template-columns:130px 1fr 66px;align-items:center;gap:12px;display:grid}.audit__meter-k{color:var(--ink-faint);font-size:12.5px;font-weight:800}.audit__bar{background:var(--paper-2);border-radius:999px;height:18px;display:block;overflow:hidden}.audit__fill{border-radius:999px;height:100%;transition:width .4s;display:block}.audit__fill.is-bad{background:linear-gradient(90deg, var(--amber), var(--coral))}.audit__fill.is-good{background:var(--emerald)}.audit__meter-v{color:var(--ink);text-align:right;font-size:15px;font-weight:800}.audit__meter-note{color:var(--ink-soft);font-size:14px;line-height:1.45}.audit__meter-note b{color:var(--emerald-deep)}.audit__jobs{flex-direction:column;gap:7px;display:flex}.audit__job{background:var(--surface);border:2px solid var(--paper-edge);border-radius:13px;overflow:hidden}.audit__job.is-fixed{border-color:var(--emerald-line);background:var(--emerald-soft)}.audit__job-btn{cursor:pointer;width:100%;font-family:var(--ff-body);text-align:left;background:0 0;border:none;grid-template-columns:34px 1fr 96px 76px;align-items:center;gap:11px;padding:11px 14px;display:grid}.audit__job-emoji{font-size:22px}.audit__job-label{color:var(--ink);font-size:15px;font-weight:700}.audit__job-litres{color:var(--ink-soft);text-align:right;font-size:14px;font-weight:800}.audit__job-litres s{color:var(--ink-ghost);font-weight:600}.audit__job-tag{text-align:center;background:var(--paper-2);color:var(--ink-faint);border-radius:999px;padding:4px 9px;font-size:11.5px;font-weight:800}.audit__job-tag.is-on{background:var(--emerald);color:#fff}.audit__job-why{color:var(--ink-soft);flex-direction:column;gap:4px;padding:0 14px 12px 59px;font-size:13.5px;line-height:1.45;display:flex}.audit__job-why b{color:var(--ink)}.soil__left{flex-direction:column;flex:46%;justify-content:center;align-items:center;gap:12px;min-width:0;display:flex}.soil__dish{width:min(360px,100%);height:auto}.soil__tabs{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.soil__tab{cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:1.5px solid var(--paper-edge);color:var(--ink-soft);border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:700;transition:all .13s}.soil__tab:hover{border-color:var(--emerald)}.soil__tab.is-on{background:var(--emerald);border-color:var(--emerald);color:#fff}.soil__place{font-family:var(--ff-display);color:var(--ink);font-size:20px;font-weight:700}.soil__guess{color:var(--ink-soft);flex-direction:column;gap:5px;font-size:14px;font-weight:700;display:flex}.soil__views{gap:9px;display:flex}.soil__obs{background:var(--surface);border:1.5px solid var(--paper-edge);color:var(--ink-soft);border-radius:13px;flex-direction:column;gap:7px;padding:13px 15px;font-size:14.5px;line-height:1.5;display:flex}.soil__obs b{color:var(--ink)}.soil__compare{border-top:1px solid var(--rule-soft);color:var(--amber-ink);margin-top:4px;padding-top:9px;font-style:italic}.fuel__wrap{flex-direction:column;align-items:center;gap:14px;width:100%;max-width:940px;margin:0 auto;display:flex}.fuel__tabs{gap:9px;display:flex}.fuel__grid{grid-template-columns:1fr 1fr;gap:8px;width:100%;display:grid}.fuel__kind{background:var(--surface);border:2px solid var(--paper-edge);border-radius:12px;grid-template-columns:30px 1fr auto;align-items:center;gap:10px;padding:9px 13px;display:grid}.fuel__kind.is-counted{border-color:var(--emerald-line);background:var(--emerald-soft)}.fuel__emoji{font-size:22px}.fuel__label{flex-direction:column;gap:1px;min-width:0;display:flex}.fuel__label b{color:var(--ink);font-size:14px}.fuel__label em{color:var(--ink-faint);font-size:12px;font-style:normal}.fuel__counter{align-items:center;gap:8px;display:flex}.fuel__counter button{cursor:pointer;background:var(--paper);border:1.5px solid var(--paper-edge);width:28px;height:28px;color:var(--ink-soft);border-radius:50%;font-size:17px;font-weight:800}.fuel__counter button:hover{border-color:var(--emerald);color:var(--emerald-deep)}.fuel__counter b{text-align:center;min-width:22px;font-size:16px}.fuel__tally{flex-direction:column;gap:7px;width:100%;max-width:620px;display:flex}.fuel__tally-txt{color:var(--ink-soft);text-align:center;font-size:15px}.fuel__tally-txt b{color:var(--coral-ink)}@media (width<=900px){.fuel__grid{grid-template-columns:1fr}.breath__grid{grid-template-columns:repeat(10,1fr)}.audit__job-btn{grid-template-columns:30px 1fr 80px}.audit__job-tag{display:none}}.sky__left{flex-direction:column;flex:62%;justify-content:center;gap:10px;min-width:0;display:flex}.sky__field{border-radius:16px;width:100%;height:auto;display:block;overflow:hidden}.sky__bg{fill:#0a1020}.sky__field.is-twilight .sky__bg{fill:#141d33}.sky__glow{fill:#2b3d5c;opacity:.55}.sky__star{fill:#f2f6ff;cursor:default;transition:r .15s}.sky__star[role=button]{cursor:pointer}.sky__star.is-twinkle{animation:3.1s ease-in-out infinite sky-twinkle}@keyframes sky-twinkle{0%,to{opacity:1}45%{opacity:.42}70%{opacity:.95}}.sky__star.is-planet{fill:#ffe9b0}.sky__star.is-pole{fill:#ffd479}.sky__star.is-on{fill:#8fe3b0}.sky__star.is-wrong{fill:#ff8f86}.sky__halo{fill:#8fe3b0;opacity:.22}.sky__label{fill:#cfe0f5;font-size:15px;font-weight:700;font-family:var(--ff-body);pointer-events:none}.sky__myline{stroke:#7fd4a8;stroke-width:2.5px;stroke-linecap:round}.sky__reallines line{stroke:#6f8fc0;stroke-width:2px;opacity:.7}.sky__guide{stroke:#ffd479;stroke-width:2.5px;stroke-dasharray:8 7;opacity:.85}.sky__clock{align-items:center;gap:12px;display:flex}.sky__clock-k{letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);font-size:11.5px;font-weight:800}.sky__clock-v{color:var(--ink);text-align:right;min-width:76px;font-size:15px;font-weight:800}.sky__missions{flex-direction:column;gap:6px;display:flex}.sky__mission{text-align:left;cursor:pointer;font-family:var(--ff-body);background:var(--paper);border:1.5px solid var(--paper-edge);color:var(--ink-soft);border-radius:11px;padding:9px 13px;font-size:14px;transition:all .13s}.sky__mission:hover{border-color:var(--emerald);transform:translate(3px)}.sky__mission.is-on{background:var(--emerald-soft);border-color:var(--emerald);color:var(--emerald-deep)}.sky__mission.is-done{font-weight:700}.sky__mission b{color:var(--ink-faint);margin-right:6px}.sky__mission.is-on b{color:var(--emerald-deep)}.sky__brief{color:var(--ink-soft);font-size:14.5px;line-height:1.5}.sky__brief b{color:var(--emerald-deep)}.sky__steps{counter-reset:s;flex-direction:column;gap:5px;margin:0;padding:0;list-style:none;display:flex}.sky__steps li{counter-increment:s;color:var(--ink-faint);background:var(--paper);border:1.5px solid var(--paper-edge);border-radius:10px;padding:7px 11px 7px 34px;font-size:13.5px;position:relative}.sky__steps li:before{content:counter(s);background:var(--paper-2);width:18px;height:18px;color:var(--ink-faint);border-radius:50%;place-items:center;font-size:11px;font-weight:800;display:grid;position:absolute;top:50%;left:9px;transform:translateY(-50%)}.sky__steps li.is-now{border-color:var(--amber);background:var(--amber-soft);color:var(--ink)}.sky__steps li.is-done{border-color:var(--emerald-line);background:var(--emerald-soft);color:var(--emerald-deep)}.sky__steps li.is-done:before{background:var(--emerald);color:#fff;content:"✓"}@media (width<=1000px){.sky__left{flex:none}}.bio__wrap{flex-direction:column;align-items:center;gap:14px;width:100%;max-width:940px;margin:0 auto;display:flex}.bio__card{text-align:center;background:var(--surface);border:2px solid var(--paper-edge);width:100%;max-width:640px;box-shadow:var(--shadow-card);border-radius:18px;flex-direction:column;align-items:center;gap:11px;padding:20px 24px;display:flex}.bio__card-emoji{font-size:52px;line-height:1}.bio__card-name{font-family:var(--ff-display);color:var(--ink);font-size:25px;font-weight:700}.bio__facts{color:var(--ink-soft);flex-direction:column;gap:4px;font-size:14.5px;display:flex}.bio__facts b{color:var(--ink);margin-right:7px}.bio__groups{flex-wrap:wrap;justify-content:center;gap:10px;width:100%;display:flex}.bio__group{cursor:pointer;min-width:170px;max-width:250px;font-family:var(--ff-body);background:var(--paper);border:2px solid var(--paper-edge);color:var(--ink);border-radius:14px;flex-direction:column;flex:1;align-items:center;gap:2px;padding:13px 15px;transition:all .13s;display:flex}.bio__group:hover:not(:disabled){border-color:var(--emerald);background:var(--emerald-soft);transform:translateY(-3px)}.bio__group:disabled{opacity:.45;cursor:not-allowed}.bio__group b{font-size:16px}.bio__group em{color:var(--ink-faint);text-align:center;font-size:12.5px;font-style:normal;line-height:1.35}.bio__summary{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;width:100%;display:grid}.bio__art{flex-direction:column;flex:46%;justify-content:center;align-items:center;gap:9px;min-width:0;display:flex}.bio__art-name{color:var(--ink-soft);font-size:16px;font-weight:800}.bio__soil{text-align:center;color:#e0d3bb;background:#6b5136;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:10px;width:220px;height:250px;padding:16px;display:flex}.bio__soil-plant{font-size:44px}.bio__soil-txt{font-size:13.5px;line-height:1.4}.seed__art{width:min(320px,100%);height:auto}.pattern__table,.pattern__three{flex-direction:column;gap:5px;width:100%;max-width:720px;display:flex}.pattern__head,.pattern__row{text-align:left;font-family:var(--ff-body);border-radius:11px;grid-template-columns:1.2fr 1.2fr 1fr;align-items:center;gap:12px;padding:10px 15px;display:grid}.pattern__head{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);font-size:11.5px;font-weight:800}.pattern__row{cursor:pointer;background:var(--paper);border:1.5px solid var(--paper-edge);color:var(--ink-faint);font-size:14.5px;transition:all .15s}.pattern__row:hover:not(:disabled){border-color:var(--emerald)}.pattern__row.is-on{cursor:default;color:var(--ink);font-weight:600}.pattern__row.is-on.is-reticulate{background:var(--emerald-soft);border-color:var(--emerald-line)}.pattern__row.is-on.is-parallel{background:var(--amber-soft);border-color:var(--amber)}.pattern__predict{grid-template-columns:1fr 1.1fr;align-items:center;gap:20px;width:100%;max-width:760px;display:grid}.pattern__side{flex-direction:column;align-items:center;gap:12px;display:flex}@media (width<=900px){.pattern__predict{grid-template-columns:1fr}.pattern__head,.pattern__row{grid-template-columns:1fr;gap:3px}}.label__pair{grid-template-columns:1fr 1fr;gap:14px;width:100%;max-width:720px;display:grid}.label__card{background:var(--surface);border:2px solid var(--paper-edge);border-radius:16px;padding:15px 17px}.label__title{color:var(--ink);font-size:17px;font-weight:800}.label__sub{letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:9px;font-size:12px;font-weight:700}.label__row{color:var(--ink-soft);border-top:1px solid var(--rule-soft);border-radius:8px;justify-content:space-between;gap:10px;padding:7px 9px;font-size:14px;display:flex}.label__row.is-better{background:var(--emerald-soft);color:var(--emerald-deep);font-weight:700}.label__notes{max-width:720px;color:var(--ink-soft);flex-direction:column;gap:6px;font-size:13.5px;line-height:1.5;display:flex}.label__notes b{color:var(--ink)}.matjob__grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:9px;width:100%;max-width:860px;display:grid}.matjob__mat{text-align:center;cursor:pointer;font-family:var(--ff-body);background:var(--surface);border:2px solid var(--paper-edge);color:var(--ink);border-radius:14px;flex-direction:column;align-items:center;gap:3px;padding:13px 14px;transition:all .13s;display:flex}.matjob__mat:hover{border-color:var(--emerald);transform:translateY(-3px)}.matjob__mat.is-on{border-color:var(--emerald);background:var(--emerald-soft)}.matjob__emoji{font-size:27px}.matjob__mat b{font-size:14.5px}.matjob__mat em{color:var(--ink-faint);font-size:12px;font-style:normal;line-height:1.35}@media (width<=760px){.label__pair{grid-template-columns:1fr}}