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4px;display:grid;position:relative;overflow:hidden}.ob-face{background:#0b0b0d;border-radius:16px;grid-template-columns:repeat(3,52px);gap:6px;padding:8px;display:grid;box-shadow:0 16px 40px #0006}.ob-tile{color:#161a2c;width:52px;height:52px;font-family:var(--font-display);background:#ece8e2;border-radius:9px;place-items:center;font-size:1.4rem;font-weight:800;display:grid}.ob-shuffle{animation:ob-colors 4.8s var(--d) ease-in-out infinite}@keyframes ob-colors{0%,to{background:var(--c1)}33%{background:var(--c2)}66%{background:var(--c3)}}.ob-band{border-top:4px solid var(--action);background:#171b2d;border-radius:12px;height:46px;margin-top:-23px;animation:4.8s ease-in-out infinite ob-band;position:absolute;top:50%;left:-6px;right:-6px;transform:translate(-130%)rotate(-4deg)}@keyframes ob-band{0%,20%{transform:translate(-130%)rotate(-4deg)}40%,80%{transform:translate(0)rotate(-4deg)}to{transform:translate(130%)rotate(-4deg)}}.ob-letter{color:#0000;animation:ob-letter 4s var(--d) 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h4{margin:0}.ch-time{font-family:var(--font-mono);color:var(--muted);font-size:.78rem}.challenge-view :is(b,span,p).ok{color:var(--ok)}.challenge-view :is(b,span,p).fail{color:var(--danger-text)}.ch-hero{border-radius:var(--r-lg);background:radial-gradient(circle at 92% 10%, color-mix(in srgb, var(--action) 28%, transparent), transparent 55%), radial-gradient(circle at 0% 100%, color-mix(in srgb, var(--face-B) 30%, transparent), transparent 60%), var(--raised);border:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:18px 16px;display:flex;position:relative;overflow:hidden}.ch-hero-text small{color:var(--muted);text-transform:capitalize}.ch-hero h3{font-family:var(--font-display);margin:2px 0 6px;font-size:1.4rem;line-height:1.15}.ch-hero p{max-width:24ch;margin:0}.ch-flame{text-align:center;min-width:84px;color:var(--muted);justify-items:center;display:grid}.ch-flame-icon{width:42px;height:42px;fill:var(--blind)}.ch-flame.lit .ch-flame-icon{fill:var(--warn);filter:drop-shadow(0 0 10px color-mix(in srgb, var(--warn) 70%, transparent))}.ch-flame.lit.today .ch-flame-icon{fill:var(--action);animation:2.4s ease-in-out infinite ch-flicker}.ch-flame b{font-family:var(--font-display);color:var(--text);font-size:2rem;line-height:1}.ch-flame small{font-size:.72rem}@keyframes ch-flicker{0%,to{transform:scale(1)rotate(0)}40%{transform:scale(1.06)rotate(-3deg)}70%{transform:scale(.97)rotate(2deg)}}.ch-tiles,.ch-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.ch-tile{border-radius:var(--r-md);background:var(--raised);border:1px solid var(--line);align-content:start;gap:8px;padding:12px;transition:border-color .2s,box-shadow .2s;display:grid;position:relative}.ch-tile.themed:before{content:"";border-radius:var(--r-md) var(--r-md) 0 0;background:linear-gradient(90deg, var(--face-R), var(--face-L), var(--face-D), var(--face-F), var(--face-B));height:4px;position:absolute;inset:0 0 auto}.ch-tile.ok{border-color:color-mix(in srgb, var(--ok) 60%, transparent);background:linear-gradient(160deg, color-mix(in srgb, var(--ok) 14%, var(--raised)), var(--raised) 70%)}.ch-tile.fail{border-color:color-mix(in srgb, var(--danger) 45%, transparent)}.ch-tile.live{border-color:var(--action);animation:1.8s ease-in-out infinite ch-pulse}@keyframes ch-pulse{50%{box-shadow:0 0 0 4px color-mix(in srgb, var(--action) 25%, transparent)}}.ch-tile-icon{width:48px;height:48px;position:relative}.ch-tile-icon .mini-cube{width:48px;height:48px}.ch-cubes{background:var(--action);color:var(--action-ink);border-radius:999px;padding:0 5px;font-size:.72rem;font-weight:800;position:absolute;bottom:-4px;right:-10px}.ch-tile-text{gap:2px;min-width:0;display:grid}.ch-tile-text b{font-family:var(--font-display);font-size:1rem;line-height:1.2}.ch-status{font-family:var(--font-display);font-size:1.15rem;font-weight:800}.ch-status.ok{color:var(--ok)}.ch-status.fail{color:var(--danger-text)}.ch-status.live{color:var(--action-text);font-size:.95rem}button.ch-go{width:100%;min-height:38px;padding:6px 12px}.ch-tile-actions{flex-wrap:wrap;gap:6px;display:flex}.ch-tile-actions button{flex:1}.ch-sprint-icon{border:3px solid var(--face-B);font-family:var(--font-display);color:var(--face-B);border-radius:50%;place-items:center;font-weight:800;display:grid}button.ch-world{text-align:left;background:var(--night);width:100%;color:var(--text);align-items:center;gap:10px;font-size:.9rem;font-weight:600;display:flex}button.ch-world>span:nth-child(2){flex:1}p.ch-world{text-align:center;margin:0}.ch-avatar{color:#14161f;width:28px;height:28px;box-shadow:0 0 0 2px var(--panel);border-radius:50%;flex:none;place-items:center;font-size:.85rem;font-weight:800;display:inline-grid}.ch-avatars{display:inline-flex}.ch-avatars .ch-avatar+.ch-avatar{margin-left:-8px}.ch-toast{z-index:3;border-radius:var(--r-md);background:var(--action);color:var(--action-ink);padding:10px 14px;font-weight:700;animation:.35s ease-out ch-drop;position:sticky;top:0}@keyframes ch-drop{0%{opacity:0;transform:translateY(-12px)}}.ch-badge{background:var(--action);color:var(--action-ink);font-size:.72rem;font-family:var(--font-text);vertical-align:middle;border-radius:999px;margin-left:8px;padding:1px 8px}.ch-duel{border-color:color-mix(in srgb, var(--rot) 60%, transparent);background:linear-gradient(160deg, color-mix(in srgb, var(--rot) 16%, var(--raised)), var(--raised) 70%)}.ch-duel-head{align-items:center;gap:10px;display:flex}.ch-duel-head>div{display:grid}.ch-duel-vs{text-align:center;grid-template-columns:1fr auto 1fr;align-items:center;margin:12px 0;display:grid}.ch-duel-vs>div{gap:2px;display:grid}.ch-duel-vs b{font-size:1.8rem;font-family:var(--font-display)}.ch-vs{color:var(--muted);font-weight:800}.ch-duel-verdict{text-align:center;font-family:var(--font-display);font-size:1.1rem;font-weight:800}.ch-advent{background:radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--face-R) 22%, transparent), transparent 55%), var(--raised)}.ch-doors{grid-template-columns:repeat(6,minmax(0,1fr));gap:6px;margin-top:8px;display:grid}button.ch-door{aspect-ratio:1;border-radius:var(--r-sm);min-height:0;font-family:var(--font-display);background:color-mix(in srgb, var(--face-F) 70%, var(--night));color:#fff;padding:0;font-weight:800}button.ch-door.today{background:var(--face-R);box-shadow:0 0 0 3px color-mix(in srgb, var(--action) 50%, transparent)}button.ch-door.locked{background:var(--night);color:var(--muted)}button.ch-door.ok{background:var(--action);color:var(--action-ink)}button.ch-door.fail{background:var(--night);color:var(--danger-text)}button.ch-door:disabled{cursor:default;transform:none}.ch-event.live-event{border-color:var(--action)}.ch-stepper{align-items:center;gap:10px;margin:8px 0 12px;display:flex}.ch-stepper b{text-align:center;min-width:2ch;font-family:var(--font-display);font-size:1.4rem}.ch-focus-item{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:8px 0;display:grid}.ch-focus-item+.ch-focus-item{border-top:1px solid var(--line)}.ch-focus-item>div{display:grid}.memo-ch-chip{border-radius:var(--r-sm);background:var(--night);min-width:30px;height:30px;font-family:var(--font-display);place-items:center;padding:0 6px;font-weight:800;display:inline-grid}.memo-ch-chip.kind-corner{border-radius:4px var(--r-sm) 4px var(--r-sm)}.memo-ch-chip.ok{background:color-mix(in srgb, var(--ok) 25%, var(--night));color:var(--ok)}.memo-ch-chip.miss{outline:2px solid var(--danger);outline-offset:-2px;color:var(--danger-text)}.memo-ch,.sprint{gap:14px;display:grid}.ch-title{font-family:var(--font-display);margin:0;font-size:1.3rem}.memo-ch-steps{gap:6px;margin:0;padding-left:1.2em;display:grid}.memo-ch-head{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.memo-ch-clock{font-family:var(--font-mono);font-size:1.4rem}.memo-ch .cube-net{grid-template-columns:repeat(12,minmax(0,30px));grid-auto-rows:30px;gap:3px}.memo-ch-typed{flex-wrap:wrap;align-items:center;gap:6px;min-height:36px;display:flex}.memo-ch-actions button{flex:1}button.wide{width:100%}.memo-ch-review{gap:10px;display:grid}.memo-ch-review-group{gap:4px;display:grid}.memo-ch-review-group p{margin:0}.sprint-head{justify-content:space-between;align-items:center;display:flex}.sprint-clock{--left:1;width:54px;height:54px;font-family:var(--font-mono);background:radial-gradient(closest-side, var(--panel) 78%, transparent 80%), conic-gradient(var(--action) calc(var(--left) * 360deg), var(--night) 0);border-radius:50%;place-items:center;font-weight:700;display:grid}.sprint-score b{font-family:var(--font-display);font-size:1.8rem}.sprint-card{border-radius:var(--r-lg);background:var(--raised);border:1px solid var(--line);place-items:center;gap:6px;min-height:170px;display:grid}.sprint-key{font-family:var(--font-display);letter-spacing:.06em;font-size:3.2rem}.sprint-word{min-height:1.6em;color:var(--ok);font-size:1.25rem;font-weight:700}.sprint-card.revealed .sprint-word{animation:.25s ease-out ch-drop}.sprint-actions{grid-template-columns:1fr 1fr;gap:10px;display:grid}.sprint-actions button{min-height:64px;font-size:1.05rem}.ch-me{align-items:center;gap:12px;display:flex}.ch-me .ch-avatar{width:44px;height:44px;font-size:1.2rem}.ch-me>div{display:grid}.ch-me b{font-family:var(--font-display);font-size:1.2rem}.ch-name details{margin:10px 0 4px}.ch-name-edit{margin:8px 0}.ch-name-edit input{flex:1;min-width:0}.ch-switch{align-items:center;gap:10px;margin:8px 0;display:flex}.ch-chips{flex-wrap:wrap;gap:6px;margin:8px 0 10px;display:flex}.ch-board,.ch-feed{gap:6px;margin:0;padding:0;list-style:none;display:grid}.ch-board-row{border-radius:var(--r-md);background:var(--night);grid-template-columns:22px 28px minmax(0,1fr) auto;grid-template-areas:"rank av name pill""rank av time pill";align-items:center;column-gap:10px;padding:8px 10px;display:grid}.ch-board-row.mine{outline:2px solid color-mix(in srgb, var(--action) 60%, transparent)}.ch-board-row.fail{opacity:.75}.ch-rank{font-family:var(--font-display);color:var(--muted);text-align:center;grid-area:rank;font-weight:800}.ch-board-row:first-child.ok .ch-rank{color:var(--action-text)}.ch-board-row .ch-avatar{grid-area:av}.ch-board-name{text-overflow:ellipsis;white-space:nowrap;grid-area:name;overflow:hidden}.ch-board-row .ch-time{grid-area:time}.ch-pill{border-radius:999px;grid-area:pill;padding:3px 10px;font-size:.9rem;font-weight:800}.ch-pill.ok{background:color-mix(in srgb, var(--ok) 22%, transparent);color:var(--ok)}.ch-pill.fail{background:var(--danger-bg);color:var(--danger-text)}.ch-feed-row{border-radius:var(--r-md);background:var(--night);grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:4px 10px;padding:10px;display:grid}.ch-feed-text{min-width:0;display:grid}.ch-feed-result{justify-items:end;display:grid}.ch-feed-actions{flex-wrap:wrap;grid-column:2/-1;gap:6px;display:flex}.ch-rate{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:14px;display:grid}.ch-rate p{margin:2px 0}.ch-ring{width:96px;height:96px;position:relative}.ch-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.ch-ring circle{fill:none;stroke-width:8px}.ch-ring .track{stroke:var(--night)}.ch-ring .fill{stroke:var(--ok);stroke-linecap:round;transition:stroke-dasharray .8s ease-out}.ch-ring b{font-family:var(--font-display);place-items:center;font-size:1.5rem;display:grid;position:absolute;inset:0}.ch-trend.up{color:var(--ok)}.ch-trend.down{color:var(--warn)}.ch-calendar{grid-template-rows:repeat(7,18px);grid-auto-columns:18px;grid-auto-flow:column;gap:4px;margin-top:10px;display:grid}.ch-day{background:var(--night);border-radius:4px}.ch-day.ok{background:var(--ok)}.ch-day.tried{background:color-mix(in srgb, var(--warn) 55%, var(--night))}.ch-day.future{outline:1px dashed var(--line);outline-offset:-1px;background:0 0}.ch-day.today{outline:2px solid var(--text);outline-offset:-2px}.ch-ladder{gap:4px;margin:8px 0 0;padding:0;list-style:none;display:grid;position:relative}.ch-ladder:before{content:"";background:var(--line);width:2px;position:absolute;top:14px;bottom:14px;left:13px}.ch-step{grid-template-columns:28px minmax(0,1fr) 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0;padding:0;list-style:none;display:grid}.ch-trophy{border-radius:var(--r-md);background:var(--night);text-align:center;filter:grayscale();opacity:.45;justify-items:center;gap:2px;padding:10px 8px;display:grid}.ch-trophy.got{filter:none;opacity:1;background:linear-gradient(170deg, color-mix(in srgb, var(--action) 18%, var(--night)), var(--night) 75%);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--action) 35%, transparent)}.ch-trophy-icon{font-size:1.7rem;line-height:1.2}.ch-trophy b{font-size:.85rem}.ch-trophy small{color:var(--muted);font-size:.72rem}@media (prefers-reduced-motion:reduce){.ch-flame.lit.today .ch-flame-icon,.ch-tile.live,.ch-toast,.sprint-card.revealed .sprint-word{animation:none}}#app.nxn-stage .move-pad{display:none}#app.nxn-stage .stage-tools{visibility:hidden}.timer-view{flex-direction:column;gap:14px;display:flex}.timer-pick{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.timer-sizes{flex:260px;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px;display:grid}.timer-size{background:var(--raised);color:var(--muted);min-height:40px;font-family:var(--font-display);font-variant-numeric:tabular-nums;padding:6px 0;font-size:.95rem}.timer-size.on{background:var(--action);color:var(--action-ink)}.timer-main{background:var(--raised);border-radius:var(--r-lg);text-align:center;flex-direction:column;align-items:center;gap:8px;padding:14px 12px 12px;display:flex}.timer-clock{font-family:var(--font-display);font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-size:clamp(2.6rem,11vw,3.6rem);font-weight:700;line-height:1}.timer-main.phase-running .timer-clock,.timer-main.phase-solving .timer-clock{color:var(--action)}.timer-main.phase-memo .timer-clock{color:var(--rot)}.timer-main.phase-loading .timer-clock,.timer-main.phase-ready .timer-clock,.timer-main.phase-covered .timer-clock{color:var(--muted)}.timer-hint{color:var(--muted);margin:0;font-size:.9rem}.timer-start{text-align:center;justify-items:center;gap:4px;display:grid}.timer-start-cta{color:var(--action-text);font-family:var(--font-display);margin:0;font-size:1.05rem;font-weight:700}.timer-start-cta span{margin-right:6px;animation:1.6s ease-in-out infinite timer-start-nudge;display:inline-block}@keyframes timer-start-nudge{50%{transform:translateY(-4px)}}@media (prefers-reduced-motion:reduce){.timer-start-cta span{animation:none}}.timer-scramble{font-family:var(--font-mono);word-spacing:.15em;overflow-wrap:anywhere;color:var(--text);margin:0;font-size:.82rem;line-height:1.5}.timer-main .timer-scramble{background:var(--night);border-radius:var(--r-sm);width:100%;max-height:7.5em;padding:8px 10px;overflow-y:auto}.timer-actions{justify-content:center}.timer-result{color:var(--muted);flex-direction:column;gap:4px;font-size:.9rem;display:flex}.timer-best{color:var(--ok)}.timer-memo{color:var(--text);font-family:var(--font-mono);margin:4px 0 0}.timer-duel-result.won{color:var(--ok)}.timer-duel-result.lost{color:var(--warn)}.timer-stats{grid-template-columns:repeat(auto-fit,minmax(76px,1fr));gap:6px;display:grid}.timer-stat{background:var(--night);border-radius:var(--r-sm);flex-direction:column;gap:2px;padding:8px 10px;display:flex}.timer-stat span{color:var(--muted);font-size:.75rem}.timer-stat b{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:1.05rem}.timer-results h4{margin:0 0 6px}.timer-results ol{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.timer-results details{background:var(--night);border-radius:var(--r-sm);padding:6px 10px}.timer-results details[open]{flex-direction:column;gap:8px;padding-bottom:10px;display:flex}.timer-results summary{cursor:pointer;align-items:baseline;gap:10px;list-style:none;display:flex}.timer-results summary::-webkit-details-marker{display:none}.timer-results summary b{font-variant-numeric:tabular-nums;min-width:4.5em}.timer-results summary b.dnf{color:var(--danger-text)}.timer-results summary small{color:var(--muted);margin-left:auto}.timer-icon{font-size:.85rem}.timer-duel{border-radius:var(--r-lg);background:var(--info-bg);border:1px solid var(--line);padding:12px 14px}.timer-duel h4,.timer-duel p{margin:0 0 8px}.timer-toast{text-align:center;color:var(--ok);margin:0}.timer-empty,.timer-keys{margin:0}div.timer-memo{text-align:left;align-self:stretch}div.timer-memo p{margin:2px 0}div.timer-memo b{color:var(--muted);font-weight:600}:root[data-color-assist]{--face-U:#f6f6f2;--face-F:#12a974;--face-R:#b8141d;--face-D:#fff25c;--face-B:#2c66dd;--face-L:#ffa53a;--ok:#5aa9ff;--danger:#ff9d3b}@media (prefers-color-scheme:light){:root[data-color-assist]:not([data-theme=dark]){--ok:#1f6fd1;--danger:#b84f00}}:root[data-color-assist][data-theme=light]{--ok:#1f6fd1;--danger:#b84f00}.face-mark{fill:#111111d9;stroke:#ffffffe6;stroke-width:6px;stroke-linejoin:round;paint-order:stroke;vector-effect:non-scaling-stroke;display:none}:root[data-color-assist] .face-mark{display:inline}.mini-cube .face-mark{stroke-width:1.2px}.face-mark-svg{pointer-events:none;display:none}:root[data-color-assist] .face-mark-svg{display:block}.net-cell,.swatch{position:relative}.net-cell .face-mark-svg,.swatch .face-mark-svg{width:64%;height:64%;position:absolute;inset:18%}.swatch .face-mark-svg .face-mark,.net-cell .face-mark-svg .face-mark{stroke-width:1.5px}.net-cell .face-mark-svg.corner{width:38%;height:38%;inset:3% auto auto 3%}:root[data-color-assist] .recall-dots i.fail,:root[data-color-assist] .ch-dots i.fail{border-radius:1px;transform:scale(.85)}:root[data-color-assist] .multi-mini.ok:after{content:"✓";color:var(--ok);font-weight:700;line-height:1}:root[data-color-assist] .multi-mini.fail:after{content:"✗";color:var(--danger);font-weight:700;line-height:1}.held-finder{font-family:var(--font-text);margin-top:10px}.held-finder summary{cursor:pointer;color:var(--action-text)}.held-finder-input{text-transform:uppercase;width:100%;max-width:20em;margin:4px 0}.held-finder-list{gap:6px;margin:6px 0 0;padding:0;list-style:none;display:grid}.held-finder-list li{background:var(--raised);font-family:var(--font-mono);overflow-wrap:anywhere;border-radius:8px;padding:6px 8px}.held-finder-list li.own{box-shadow:inset 0 0 0 2px var(--action)}.held-finder-name{font-weight:700;font-family:var(--font-display)}.held-finder-list li p{margin:2px 0;font-size:.85rem}.held-finder-list li b{color:var(--muted);font-weight:600}.held-finder-list li .held-finder-name{font-size:.95rem}.big-mix-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.big-mix-bar{flex-wrap:wrap;row-gap:6px}.big-cube-nav{flex:auto;align-items:center;gap:4px;min-width:0;display:flex}.big-cube-nav .multi-dock-label{text-align:center;flex:0 auto}.big-cube-nav .mini{min-width:2.2em;font-size:1.1rem}.big-mix-chip.ok{color:var(--ok)}.big-mix-chip.fail{color:var(--danger)}.big-mix-chip.on{color:inherit}