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organ-pulse{0%{opacity:.7;transform:scale(.62)}80%,to{opacity:0;transform:scale(1.35)}}.play-badge{background:var(--organ-accent,var(--accent));border-radius:50%;width:42px;height:42px;position:absolute}@supports (color:color-mix(in lab, red, red)){.play-badge{background:color-mix(in srgb, var(--organ-accent,var(--accent)) 55%, #2b2219)}}.play-badge{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;box-shadow:0 6px 16px -4px var(--organ-accent,var(--accent)), inset 0 1px 0 #ffffff38;place-items:center;display:grid}@supports (color:color-mix(in lab, red, red)){.play-badge{box-shadow:0 6px 16px -4px color-mix(in srgb, var(--organ-accent,var(--accent)) 50%, #26272b59), inset 0 1px 0 #ffffff38}}.play-badge{pointer-events:none;transition:transform .3s cubic-bezier(.16,1,.3,1)}.function-visual:hover .play-badge{transform:scale(1.12)}.learning-cards ul{margin:var(--card-gap-top) 0 var(--card-gap-bottom);font:500 12.5px var(--font-sans), 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var(--organ-accent,var(--accent)) 45%, var(--line))}}.module-card:hover{box-shadow:0 16px 32px -18px var(--organ-accent,var(--accent))}@supports (color:color-mix(in lab, red, red)){.module-card:hover{box-shadow:0 16px 32px -18px color-mix(in srgb, var(--organ-accent,var(--accent)) 42%, #26272b40)}}.module-card-art{background:radial-gradient(circle at 50% 40%, var(--organ-accent,var(--accent)), #f5eee0 82%);border-radius:12px;place-items:center;width:100%;height:200px;display:grid;position:relative;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.module-card-art{background:radial-gradient(circle at 50% 40%, color-mix(in srgb, var(--organ-accent,var(--accent)) 8%, #f7f1e4), #f5eee0 82%)}}.module-card-art{box-shadow:inset 0 0 0 1px var(--organ-accent,var(--accent))}@supports (color:color-mix(in lab, red, red)){.module-card-art{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--organ-accent,var(--accent)) 14%, var(--line))}}.module-card-art>img,.module-card-art>.art-fallback{object-fit:contain;width:100%;height:100%}.module-card-mark{width:88px;height:88px;color:var(--organ-accent,var(--accent));border-radius:50%;place-items:center;display:grid}@supports (color:color-mix(in lab, red, red)){.module-card-mark{color:color-mix(in srgb, var(--organ-accent,var(--accent)) 72%, var(--ink))}}.module-card-mark{background:var(--organ-accent,var(--accent))}@supports (color:color-mix(in lab, red, red)){.module-card-mark{background:color-mix(in srgb, var(--organ-accent,var(--accent)) 10%, transparent)}}.module-card-mark{box-shadow:inset 0 0 0 1px var(--organ-accent,var(--accent))}@supports (color:color-mix(in lab, red, red)){.module-card-mark{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--organ-accent,var(--accent)) 22%, var(--line))}}.module-kind-badge{background:var(--surface);inset-inline-start:8px;border-radius:999px;align-items:center;gap:5px;padding-block:4px;padding-inline:7px 9px;display:flex;position:absolute;bottom:8px}@supports (color:color-mix(in lab, red, red)){.module-kind-badge{background:color-mix(in srgb, var(--surface) 88%, transparent)}}.module-kind-badge{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);box-shadow:inset 0 0 0 1px var(--organ-accent,var(--accent))}@supports (color:color-mix(in lab, red, red)){.module-kind-badge{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--organ-accent,var(--accent)) 26%, var(--line))}}.module-kind-badge{color:var(--soft);font:600 10.5px var(--font-sans), sans-serif;letter-spacing:.01em;white-space:nowrap}.module-kind-badge img{object-fit:cover;border-radius:4px;width:16px;height:16px}.module-kind-badge svg{color:var(--organ-accent,var(--accent))}@supports (color:color-mix(in lab, red, red)){.module-kind-badge svg{color:color-mix(in srgb, var(--organ-accent,var(--accent)) 70%, var(--ink))}}.module-card-body{flex-direction:column;gap:6px;display:flex}.module-card-tags{align-items:center;gap:8px;display:flex}.module-card-tags b{background:var(--accent-soft);color:var(--accent-ink);font:700 10px var(--font-sans), sans-serif;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:3px 9px}.module-card-level{color:var(--muted);font:600 10.5px var(--font-sans), sans-serif;text-transform:capitalize}.module-card-body strong{font:600 15.5px/1.25 var(--font-sans), sans-serif;letter-spacing:-.01em}.module-card-body p{color:var(--soft);margin:0;font-size:12.5px;line-height:1.5}.module-card-foot{color:var(--muted);font:600 11.5px var(--font-sans), sans-serif;border-top:1px solid var(--line);align-items:center;gap:6px;margin-top:auto;padding-top:8px;display:flex}.module-card-mastered{color:var(--accent-ink);align-items:center;gap:4px;margin-inline-start:auto;display:flex}.module-player{max-width:1180px;margin:26px auto 0;padding:0 6px 56px}.module-player-head{margin-bottom:24px}.module-banner{border-radius:var(--radius-md);height:clamp(220px,26vw,320px);box-shadow:inset 0 0 0 1px var(--organ-accent,var(--accent));margin:12px 0 16px;display:block;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.module-banner{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--organ-accent,var(--accent)) 18%, var(--line))}}.module-banner{-webkit-mask-image:linear-gradient(#000 84%,#00000059);mask-image:linear-gradient(#000 84%,#00000059)}.module-banner img{object-fit:cover;object-position:center 38%;width:100%;height:100%}.module-player-head h1{font:700 clamp(22px, 3vw, 28px)/1.2 var(--font-sans), sans-serif;letter-spacing:-.03em;margin:4px 0 8px}.module-player-head p{color:var(--muted);max-width:68ch;margin:0;font-size:14px}.module-meta{flex-wrap:wrap;gap:6px;margin:14px 0 0;padding:0;list-style:none;display:flex}.module-meta li{border:1px solid var(--line);background:var(--surface);color:var(--soft);font:600 11.5px var(--font-sans), sans-serif;border-radius:999px;align-items:center;gap:5px;padding:5px 11px;display:inline-flex}.module-meta li svg{color:var(--organ-accent,var(--accent))}@supports (color:color-mix(in lab, red, red)){.module-meta li svg{color:color-mix(in srgb, var(--organ-accent,var(--accent)) 78%, var(--soft))}}.module-meta li.module-meta-level{text-transform:capitalize}.module-meta li.module-meta-best{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.module-meta li.module-meta-best{border-color:color-mix(in srgb, var(--accent) 40%, transparent)}}.module-meta li.module-meta-best{background:var(--accent-soft);color:var(--accent-ink)}.module-result{text-align:start;flex-direction:column;gap:16px;max-width:620px;display:flex}.result-card{--result-tone:var(--accent);border:1px solid var(--result-tone);align-items:center;gap:18px;padding:20px 22px;display:flex}@supports (color:color-mix(in lab, red, red)){.result-card{border:1px solid color-mix(in srgb, var(--result-tone) 32%, var(--line))}}.result-card{border-radius:var(--radius-md);background:linear-gradient(180deg, var(--result-tone), var(--surface))}@supports (color:color-mix(in lab, red, red)){.result-card{background:linear-gradient(180deg, color-mix(in srgb, var(--result-tone) 5%, var(--surface)), var(--surface))}}.result-card{box-shadow:var(--shadow-soft)}.result-card[data-tone=fair]{--result-tone:var(--warn)}.result-card[data-tone=weak]{--result-tone:var(--coral)}.result-ring{flex:none;place-items:center;width:72px;height:72px;display:grid;position:relative}.result-ring-score{width:100%;height:100%;position:absolute;inset:0;transform:rotate(-90deg)}.result-ring-score circle{fill:none;stroke-width:4px;stroke-linecap:round}.result-ring-track{stroke:var(--result-tone)}@supports (color:color-mix(in lab, red, red)){.result-ring-track{stroke:color-mix(in srgb, var(--result-tone) 18%, var(--line))}}.result-ring-fill{stroke:var(--result-tone);transition:stroke-dasharray .5s}.result-ring b{font:700 19px var(--font-sans), sans-serif;font-variant-numeric:tabular-nums;color:var(--result-tone);letter-spacing:-.02em;direction:ltr;unicode-bidi:isolate}.result-ring b i{font:inherit;opacity:.7;font-size:12px;font-style:normal}.result-ring-done{color:var(--result-tone);background:var(--result-tone);border-radius:50%}@supports (color:color-mix(in lab, red, red)){.result-ring-done{background:color-mix(in srgb, var(--result-tone) 12%, transparent)}}.result-ring-done{box-shadow:inset 0 0 0 2px var(--result-tone)}@supports (color:color-mix(in lab, red, red)){.result-ring-done{box-shadow:inset 0 0 0 2px color-mix(in srgb, var(--result-tone) 30%, transparent)}}.result-copy{min-width:0}.result-copy strong{font:700 clamp(17px, 2vw, 20px)/1.25 var(--font-sans), sans-serif;letter-spacing:-.02em;display:block}.result-copy p{color:var(--soft);font-size:var(--text-md);line-height:var(--leading-base);margin:4px 0 0}.result-actions{flex-direction:column;gap:10px;display:flex}.module-split-body>.module-result{max-width:none}.result-more{flex-wrap:wrap;gap:8px;display:flex}.ghost-button{border:1px solid var(--line);background:var(--surface);min-height:40px;color:var(--soft);cursor:pointer;font:600 12.5px var(--font-sans), sans-serif;border-radius:11px;justify-content:center;align-items:center;gap:7px;padding:0 15px;text-decoration:none;transition:color .16s,border-color .16s,background .16s;display:inline-flex}.ghost-button:hover{color:var(--ink);border-color:var(--ink)}@supports (color:color-mix(in lab, red, red)){.ghost-button:hover{border-color:color-mix(in srgb, var(--ink) 18%, var(--line))}}.ghost-button:hover{background:var(--paper)}.ghost-button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn{justify-content:center;align-items:center;gap:var(--space-2);min-height:44px;padding:0 var(--space-5);background:var(--gilt);color:var(--on-gilt);cursor:pointer;white-space:nowrap;font:600 var(--text-md) var(--font-sans), sans-serif;transition:background var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);border:1px solid #0000;border-radius:12px;text-decoration:none;display:inline-flex;box-shadow:0 12px 30px -18px #a9792fb3,inset 0 1px #fff6}.btn:hover{background:var(--gilt-hover)}.btn:active{transform:scale(.98)}.btn[disabled],.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed;transform:none}.btn--ghost{border-color:var(--line);background:var(--surface);color:var(--soft);box-shadow:none}.btn--ghost:hover{border-color:var(--ink)}@supports (color:color-mix(in lab, red, red)){.btn--ghost:hover{border-color:color-mix(in srgb, var(--ink) 18%, var(--line))}}.btn--ghost:hover{background:var(--paper);color:var(--ink)}.btn--quiet{box-shadow:none;color:var(--accent-ink);padding-inline:var(--space-3);background:0 0;min-height:40px}.btn--quiet:hover{background:var(--accent-soft)}.btn--block{width:100%}.btn--lg{min-height:50px;font-size:var(--text-base)}.btn--sm{min-height:36px;padding:0 var(--space-4);font-size:var(--text-sm)}.btn-spinner{border:2px solid;border-radius:50%;flex:none;width:15px;height:15px}@supports (color:color-mix(in lab, red, red)){.btn-spinner{border:2px solid color-mix(in srgb, currentColor 30%, transparent)}}.btn-spinner{border-top-color:currentColor;animation:.7s linear infinite btn-spin}@keyframes btn-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.btn-spinner{border-top-color:currentColor;animation:none}@supports (color:color-mix(in lab, red, red)){.btn-spinner{border-top-color:color-mix(in srgb, currentColor 30%, 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var(--line);background:var(--paper);border-radius:13px;flex-wrap:wrap;gap:8px;min-height:48px;margin:0;padding:12px;list-style:none;display:flex}.order-picked li{background:var(--surface);border:1px solid var(--line);font:600 12.5px var(--font-sans), sans-serif;box-shadow:var(--shadow-soft);border-radius:999px;align-items:center;gap:8px;padding:7px 13px 7px 7px;padding-inline:7px 13px;display:inline-flex}.order-rank{background:var(--paper);border:1px solid var(--line);width:21px;height:21px;color:var(--muted);font:700 11px/1 var(--font-sans), sans-serif;border-radius:50%;place-items:center;display:grid}.order-picked li.correct{border-color:var(--success);background:var(--success-soft)}.order-picked li.correct .order-rank{background:var(--success);color:var(--on-accent);border-color:#0000}.order-picked li.wrong{border-color:var(--danger);background:var(--danger-soft)}.order-picked li.wrong .order-rank{background:var(--danger);color:var(--on-accent);border-color:#0000}.order-picked li.order-slot{color:var(--muted);box-shadow:none;background:0 0;border-style:dashed}.order-picked li.order-slot .order-rank{background:0 0;border-style:dashed}.order-bank{flex-wrap:wrap;gap:8px;display:flex}.order-bank button{border:1px solid var(--line);background:var(--surface);cursor:pointer;font:600 12.5px var(--font-sans), sans-serif;border-radius:999px;padding:9px 15px;transition:border-color .16s,background .16s}.order-bank button:hover{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.order-bank button:hover{border-color:color-mix(in srgb, var(--accent) 45%, transparent)}}.order-bank button:hover{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.order-bank button:hover{background:color-mix(in srgb, var(--accent) 4%, #fff)}}.order-runner .action-grid{grid-template-columns:repeat(2,1fr)}.order-answer{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.order-answer li{background:var(--accent-soft);color:var(--accent-ink);font:600 12px var(--font-sans), sans-serif;border-radius:999px;padding:7px 12px}.match-runner{gap:var(--space-3);text-align:start;flex-direction:column;display:flex}.match-meter{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);flex-wrap:wrap;align-items:center;gap:8px 12px;padding:9px 12px;display:flex}.match-meter-count{color:var(--ink);font:700 var(--text-sm)/1 var(--font-sans), sans-serif;align-items:center;gap:6px;display:inline-flex}.match-meter-hint{color:var(--muted);font:500 var(--text-xs)/1.4 var(--font-sans), sans-serif;flex:auto}.match-meter-misses{background:var(--danger-soft);color:var(--danger);font:700 var(--text-xs)/1 var(--font-sans), sans-serif;border-radius:999px;padding:4px 9px}.match-board{grid-template-columns:1fr 1fr;align-items:start;gap:16px;display:grid}.match-column{flex-direction:column;gap:8px;display:flex}.match-column-head{color:var(--muted);font:600 var(--text-xs) var(--font-sans), sans-serif;letter-spacing:.08em;text-transform:uppercase;margin:0 0 2px}.match-item{border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;text-align:start;font:500 13px/1.4 var(--font-sans), sans-serif;transition:border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);border-radius:12px;align-items:center;gap:10px;padding:12px 14px;display:flex}.match-item-text{flex:auto}.match-item:not(:disabled):hover{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.match-item:not(:disabled):hover{border-color:color-mix(in srgb, var(--accent) 50%, transparent)}}.match-item:not(:disabled):hover{box-shadow:var(--shadow-soft);transform:translateY(-1px)}.match-item.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 3px var(--accent)}@supports (color:color-mix(in lab, red, red)){.match-item.active{box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent)}}.match-item.awaiting:not(:disabled){border-style:dashed;border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.match-item.awaiting:not(:disabled){border-color:color-mix(in srgb, var(--accent) 40%, var(--line))}}.match-item.matched{--pair-color:hsl(calc(150 + var(--pair,0) * 47) 46% var(--pair-l));border-color:var(--pair-color);background:var(--pair-color)}@supports (color:color-mix(in lab, red, red)){.match-item.matched{background:color-mix(in srgb, var(--pair-color) 13%, var(--surface))}}.match-item.matched{cursor:default;box-shadow:none;transform:none}.match-item-pin{background:var(--pair-color,var(--accent));color:#fff;width:20px;height:20px;font:700 11px/1 var(--font-sans), sans-serif;border-radius:50%;flex:none;place-items:center;display:grid}.match-item.wrong{border-color:var(--danger);background:var(--danger-soft);animation:match-shake var(--dur-slow) var(--ease-out)}@keyframes match-shake{25%{transform:translate(-4px)}75%{transform:translate(4px)}}.memo-runner{--memo-card-w:400px;--memo-card-h:clamp(370px, 50vh, 470px);gap:var(--space-5);text-align:start;flex-direction:column;display:flex}.memo-head{justify-content:space-between;align-items:flex-end;gap:var(--space-3);display:flex}.memo-head .step-meter{flex:auto;min-width:0}.memo-tally{border:1px solid var(--line);background:var(--paper);color:var(--soft);font:700 var(--text-xs)/1 var(--font-sans), sans-serif;border-radius:999px;flex:none;align-items:center;gap:5px;padding:5px 10px;display:inline-flex}.memo-tally i{color:var(--muted);font-style:normal}.memo-stage{display:grid;position:relative}.memo-stage>.memo-card{grid-area:1/1}.memo-card-gone{z-index:2;cursor:default;pointer-events:none}.memo-card-gone-again{z-index:0}.memo-card{--face:var(--accent);width:min(100%, var(--memo-card-w));height:var(--memo-card-h);cursor:pointer;perspective:1600px;background:0 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0;border:0;border-radius:999px;flex:1;justify-content:center;align-items:center;gap:4px;padding:5px 6px;transition:background .16s,color .16s;display:inline-flex}.atlas-focus button:hover{color:var(--ink)}.atlas-focus button.active{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-soft)}.atlas-shell-slider{justify-content:space-between}.atlas-shell-slider input{width:120px}.atlas-hint{z-index:5;color:var(--muted);pointer-events:none;top:14px;margin:0;font-size:11px;position:absolute;inset-inline-start:16px}.atlas-rail{z-index:5;background:var(--surface);inset-inline-end:14px;border-radius:14px;flex-direction:column;gap:3px;padding:6px;display:flex;position:absolute;top:50%}@supports (color:color-mix(in lab, red, red)){.atlas-rail{background:color-mix(in srgb, var(--surface) 88%, transparent)}}.atlas-rail{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px var(--line), var(--shadow-soft);transform:translateY(-50%)}.atlas-rail button{width:36px;height:36px;color:var(--soft);font:700 13px var(--font-sans), sans-serif;cursor:pointer;background:0 0;border:0;border-radius:10px;place-items:center;transition:background .16s,color .16s;display:grid}.atlas-rail button:hover{color:var(--ink);background:var(--paper)}.atlas-rail button.active{background:var(--ink);color:var(--surface)}.atlas-rail hr{border:0;border-top:1px solid var(--line);width:100%;margin:2px 0}.atlas-detail{z-index:5;background:var(--surface);inset-inline-end:16px;border-radius:18px;flex-direction:column;gap:4px;width:min(330px,100% - 32px);max-height:calc(100% - 160px);padding:16px 18px;display:flex;position:absolute;top:64px;overflow:auto}@supports (color:color-mix(in lab, red, red)){.atlas-detail{background:color-mix(in srgb, var(--surface) 90%, transparent)}}.atlas-detail{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px var(--line), var(--shadow-soft)}.atlas-detail-head{justify-content:space-between;align-items:center;display:flex}.atlas-detail-system{color:var(--item-accent);font:700 10.5px var(--font-sans), sans-serif;letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:6px;display:inline-flex}.atlas-detail-close{color:var(--muted);cursor:pointer;background:0 0;border:0;place-items:center;padding:2px;display:grid}.atlas-detail-close:hover{color:var(--ink)}.atlas-detail b{font:700 16px var(--font-sans), sans-serif;letter-spacing:-.01em}.atlas-detail i{color:var(--muted);font-size:12px}.atlas-detail-part{color:var(--ink);font:600 13px var(--font-sans), sans-serif;align-items:center;gap:6px;margin-top:2px;display:inline-flex}.atlas-detail-part small{color:var(--soft);letter-spacing:.04em;font-size:10.5px;font-weight:500}.atlas-detail-crumbs{flex-wrap:wrap;align-items:baseline;gap:6px;margin-top:1px;display:flex}.atlas-detail-crumbs b{color:var(--muted);font:700 10.5px var(--font-sans), sans-serif;letter-spacing:.04em}.atlas-detail-crumbs b:after{content:"·";color:var(--line);margin-inline-start:6px;font-weight:500}.atlas-detail-crumbs span{color:var(--soft);font-size:11px}.atlas-detail-cue{border-inline-start:2px solid var(--item-accent);padding-inline-start:9px;margin:6px 0 0!important}@supports (color:color-mix(in lab, red, red)){.atlas-detail-cue{border-inline-start:2px solid color-mix(in srgb, var(--item-accent) 45%, transparent)}}.atlas-detail-cue{-webkit-line-clamp:4;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden;color:var(--muted)!important;font-size:12px!important;line-height:1.5!important}.atlas-detail p{color:var(--soft);margin:2px 0 0;font-size:12.5px;line-height:1.5}.atlas-detail-desc{-webkit-line-clamp:3;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.atlas-detail-actions{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.atlas-detail-actions .lesson-button{width:auto}.atlas-detail-link{border:1px solid var(--line);color:var(--ink);font:600 12px var(--font-sans), sans-serif;border-radius:999px;align-items:center;gap:6px;padding:8px 12px;text-decoration:none;display:inline-flex}.atlas-detail-link:hover{border-color:var(--item-accent)}@supports (color:color-mix(in lab, red, red)){.atlas-detail-link:hover{border-color:color-mix(in srgb, var(--item-accent) 55%, var(--line))}}.atlas-topbar{z-index:6;pointer-events:none;inset-inline:16px;justify-content:space-between;align-items:flex-start;gap:12px;display:flex;position:absolute;top:14px}.atlas-topbar>*{pointer-events:auto}.atlas-topbar .atlas-hint{background:var(--surface);border-radius:999px;padding:7px 12px;position:static}@supports (color:color-mix(in lab, red, red)){.atlas-topbar .atlas-hint{background:color-mix(in srgb, var(--surface) 78%, transparent)}}.atlas-topbar .atlas-hint{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:inset 0 0 0 1px var(--line);color:var(--soft);font:500 12px var(--font-sans), sans-serif;pointer-events:none}.atlas-views,.atlas-segment{background:var(--surface);border-radius:12px;gap:2px;padding:3px;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.atlas-views,.atlas-segment{background:color-mix(in srgb, var(--surface) 82%, transparent)}}.atlas-views,.atlas-segment{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:inset 0 0 0 1px var(--line), var(--shadow-soft)}.atlas-views button,.atlas-segment button{min-width:34px;height:30px;color:var(--soft);cursor:pointer;font:600 12.5px var(--font-sans), sans-serif;white-space:nowrap;transition:background var(--dur-fast,.15s) ease, color var(--dur-fast,.15s) ease;background:0 0;border:0;border-radius:9px;padding:0 11px}.atlas-views button:hover,.atlas-segment button:hover:not(:disabled){color:var(--ink);background:var(--paper)}.atlas-views button.active,.atlas-segment button.active{background:var(--ink);color:var(--surface)}.atlas-views .atlas-views-reset{box-shadow:inset 1px 0 0 var(--line);border-radius:0 9px 9px 0;place-items:center;margin-inline-start:3px;padding:0;display:grid}[dir=rtl] .atlas-views .atlas-views-reset{box-shadow:inset -1px 0 0 var(--line);border-radius:9px 0 0 9px}.atlas-segment button:disabled{opacity:.45;cursor:default}.atlas-toolbar{z-index:6;background:var(--surface);inset-inline:16px;border-radius:18px;align-items:center;gap:14px;width:min(820px,100% - 32px);margin-inline:auto;padding:10px 12px 10px 18px;display:flex;position:absolute;bottom:16px}@supports (color:color-mix(in lab, red, red)){.atlas-toolbar{background:color-mix(in srgb, var(--surface) 84%, transparent)}}.atlas-toolbar{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:inset 0 0 0 1px var(--line), 0 18px 40px -22px #00000073}[dir=rtl] .atlas-toolbar{padding:10px 18px 10px 12px}.atlas-toolbar-open{color:var(--ink);font:700 13px var(--font-sans), sans-serif;white-space:nowrap;flex:none;gap:1px;display:grid}.atlas-toolbar-open output{color:var(--muted);font:600 11.5px var(--font-sans), sans-serif;font-variant-numeric:tabular-nums}.atlas-toolbar input[type=range]{min-width:90px;accent-color:var(--accent);flex:1}.atlas-toolbar .atlas-segment{box-shadow:inset 0 0 0 1px var(--line);background:var(--paper);flex:none}.atlas-toolbar .atlas-puzzle-start,.atlas-toolbar .atlas-section-start{flex:none;height:36px}.atlas-toolbar .section-axes{flex:none}.atlas-toolbar .section-offset{flex:1;min-width:120px}.atlas-toolbar .section-flip{flex:none;width:36px;height:36px}.atlas-shell .gesture-pill,.atlas-shell .gesture-panel{top:calc(var(--topbar-h,36px) + 24px);border-color:var(--line);background:var(--surface);bottom:auto;inset-inline:16px auto}@supports (color:color-mix(in lab, red, red)){.atlas-shell .gesture-pill,.atlas-shell .gesture-panel{background:color-mix(in srgb, var(--surface) 88%, transparent)}}.atlas-shell .gesture-pill,.atlas-shell .gesture-panel{color:var(--ink)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .atlas-shell{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#f1e8d6;--soft:#c2b59d;--muted:#8f836f;--surface:#1c1813;--paper:#15120e;--line:#2e271e;--accent:#d4ab5a;--accent-ink:#e6c57c;--accent-soft:#d4ab5a24;--on-accent:#1d1406;--vermilion:#e2785c;--coral:#e2785c;--danger:#e2785c;--success:#8fbf6a;background:radial-gradient(at 50% 40%,#2a231a,#16120e 62%,#0c0a08)}}:root[data-theme=dark] .atlas-shell{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#f1e8d6;--soft:#c2b59d;--muted:#8f836f;--surface:#1c1813;--paper:#15120e;--line:#2e271e;--accent:#d4ab5a;--accent-ink:#e6c57c;--accent-soft:#d4ab5a24;--on-accent:#1d1406;--vermilion:#e2785c;--coral:#e2785c;--danger:#e2785c;--success:#8fbf6a;background:radial-gradient(at 50% 40%,#2a231a,#16120e 62%,#0c0a08)}@media (width<=1100px){.atlas{grid-template-columns:270px minmax(0,1fr)}.atlas-toolbar{flex-wrap:wrap;gap:10px}.atlas-toolbar input[type=range]{flex-basis:100%;order:3}.atlas-toolbar .atlas-section-start{margin-inline-start:auto}}@media (width<=900px){.atlas{grid-template-columns:minmax(0,1fr)}.atlas-shell{--atlas-h:clamp(460px, 72dvh, 680px);height:var(--atlas-h);order:1}.atlas-panel{order:2;height:auto;max-height:80dvh}.atlas-detail{inset-inline:12px;top:auto;bottom:calc(var(--toolbar-h,88px) + 32px);width:auto;max-height:45%}.atlas-topbar{inset-inline:10px;top:10px}.atlas-topbar .atlas-hint{display:none}.atlas-topbar .atlas-puzzle-mini{display:inline-flex}.atlas-views{margin-inline-start:auto}.atlas-toolbar{inset-inline:10px;width:auto;padding:10px 12px;bottom:10px}.atlas-toolbar-open{display:none}.atlas-toolbar .atlas-segment button{padding:0 9px}.atlas-toolbar .atlas-puzzle-start{justify-content:center;width:36px;padding:0}.atlas-toolbar .atlas-puzzle-start span{display:none}.atlas-toolbar .atlas-section-start{justify-content:center;width:36px;padding:0}.atlas-toolbar .atlas-section-start span{display:none}.atlas-toolbar.sectioned .section-axes{flex:100%}.atlas-toolbar.sectioned .atlas-section-start{margin-inline-start:0}.atlas-shell .gesture-pill,.atlas-shell .gesture-panel{top:52px;inset-inline-start:10px}}.atlas-rail button:disabled{color:var(--line);cursor:default;background:0 0}.kit-hover,.kit-held{z-index:6;pointer-events:none;border:1px solid var(--line);background:var(--surface);border-radius:9px;margin:0;padding:5px 10px;position:absolute}@supports (color:color-mix(in lab, red, red)){.kit-hover,.kit-held{background:color-mix(in srgb, var(--surface) 92%, transparent)}}.kit-hover,.kit-held{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--ink);font:600 12.5px var(--font-sans), sans-serif;white-space:nowrap;box-shadow:0 6px 16px -8px #26272b40}.kit-hover{transform:translate(14px,-50%)}[dir=rtl] .kit-hover{transform:translate(-14px,-50%)}.kit-held{top:14px;align-items:center;gap:6px;font-size:13.5px;display:inline-flex;inset-inline-start:50%;transform:translate(-50%)}[dir=rtl] .kit-held{transform:translate(50%)}.atlas-puzzle-start{border:1px solid var(--accent);background:var(--accent-soft);color:var(--accent-ink);cursor:pointer;font:600 12px var(--font-sans), sans-serif;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;display:inline-flex}.atlas-puzzle-start.active{background:var(--accent);color:#fff}.atlas-puzzle-start:disabled{opacity:.45;cursor:default}.atlas-section-start{border:1px solid var(--line);background:var(--paper);color:var(--soft);cursor:pointer;font:600 12px var(--font-sans), sans-serif;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;display:inline-flex}.atlas-section-start:hover:not(:disabled){color:var(--ink)}.atlas-section-start.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink)}.atlas-section-start:disabled{opacity:.45;cursor:default}.atlas-puzzle{border:1px solid var(--accent);gap:9px;padding:14px;display:grid}@supports (color:color-mix(in lab, red, red)){.atlas-puzzle{border:1px solid color-mix(in srgb, var(--accent) 40%, var(--line))}}.atlas-puzzle{border-radius:var(--radius-md);background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.atlas-puzzle{background:color-mix(in srgb, var(--accent) 6%, var(--surface))}}.atlas-puzzle p{color:var(--soft);font:400 13px/1.5 var(--font-sans), sans-serif;margin:0}.atlas-puzzle .atlas-detail-head{justify-content:space-between;align-items:center;display:flex}.atlas-puzzle-progress{gap:4px;display:grid}.atlas-puzzle-progress progress{appearance:none;background:var(--line);border:0;border-radius:99px;width:100%;height:6px;overflow:hidden}.atlas-puzzle-progress progress::-webkit-progress-bar{background:var(--line);border-radius:99px}.atlas-puzzle-progress progress::-webkit-progress-value{background:var(--accent);border-radius:99px}.atlas-puzzle-progress progress::-moz-progress-bar{background:var(--accent);border-radius:99px}.atlas-puzzle-progress small{color:var(--muted);font:500 12px var(--font-sans), sans-serif}.atlas-puzzle-list{flex-wrap:wrap;gap:5px;margin:0;padding:0;list-style:none;display:flex}.atlas-puzzle-list li{border:1px solid var(--line);color:var(--soft);font:500 12px var(--font-sans), sans-serif;border-radius:999px;align-items:center;gap:5px;padding:4px 9px;display:inline-flex}.atlas-puzzle-list li svg{color:var(--muted)}.atlas-puzzle-list li.found{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink)}.atlas-puzzle-list li.found svg{color:var(--accent)}.atlas-puzzle-mini{background:var(--surface);border-radius:999px;align-items:center;gap:6px;margin:0;padding:7px 12px;display:none}@supports (color:color-mix(in lab, red, red)){.atlas-puzzle-mini{background:color-mix(in srgb, var(--surface) 82%, transparent)}}.atlas-puzzle-mini{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:inset 0 0 0 1px var(--accent)}@supports (color:color-mix(in lab, red, red)){.atlas-puzzle-mini{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--accent) 45%, var(--line))}}.atlas-puzzle-mini{color:var(--ink);font:600 12px var(--font-sans), sans-serif;font-variant-numeric:tabular-nums;white-space:nowrap;pointer-events:none;direction:ltr;transition:box-shadow .2s,color .2s}.atlas-puzzle-mini svg{color:var(--accent);flex:none}.atlas-puzzle-mini.placed{color:var(--accent-ink)}.atlas-puzzle-mini.missed{color:var(--coral);box-shadow:inset 0 0 0 1px var(--coral)}.kit-verdict{font:600 13px var(--font-sans), sans-serif;margin:0}.kit-verdict.placed{color:var(--accent-ink)}.kit-verdict.missed{color:var(--coral)}.identify-main{max-width:1500px;padding:0 var(--page-gutter) 56px;margin:26px auto 0}.identify-page{grid-template-columns:220px minmax(0,1fr) 340px;align-items:start;gap:16px;display:grid}.identify-stage-column{flex-direction:column;gap:12px;min-width:0;display:flex}.identify-shell{border-radius:var(--radius-lg);flex:none;height:clamp(520px,78vh,820px);position:relative;overflow:hidden}.identify-sets,.identify-board{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);max-height:calc(100vh - 110px);box-shadow:var(--shadow-soft);flex-direction:column;gap:10px;padding:14px;display:flex;position:sticky;top:90px;overflow:auto}.identify-sets-head{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.identify-sets-head h2{color:var(--muted);font:700 10.5px/1.4 var(--font-sans), sans-serif;letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:5px;margin:0;display:flex}.identify-sets-head small{color:var(--soft);white-space:nowrap;flex:none;font-size:11.5px}.identify-sets ul{flex-direction:column;gap:3px;margin:0;padding:0;list-style:none;display:flex}.identify-sets-tier{color:var(--soft);font:700 9.5px/1.4 var(--font-sans), sans-serif;letter-spacing:.13em;text-transform:uppercase;margin:6px 0 0;padding-inline-start:9px}.identify-set{width:100%;color:var(--ink);text-align:start;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:10px;flex-direction:column;gap:1px;padding:7px 9px;transition:background .16s,border-color .16s;display:flex}.identify-set b{font:600 12.5px var(--font-sans), sans-serif}.identify-set small{color:var(--soft);font-size:10.5px}.identify-set:hover{background:var(--paper)}.identify-set.active{border-color:var(--line);background:var(--paper)}.identify-set.active b{color:var(--accent-ink,var(--ink))}.identify-set:disabled{color:var(--muted);cursor:default}.identify-set:disabled:hover{background:0 0}.identify-focus{z-index:5;background:var(--surface);inset-inline-start:14px;border-radius:999px;align-items:center;gap:2px;padding:3px 8px 3px 10px;display:flex;position:absolute;bottom:14px}@supports (color:color-mix(in lab, red, red)){.identify-focus{background:color-mix(in srgb, var(--surface) 88%, transparent)}}.identify-focus{color:var(--soft);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 0 0 0 1px var(--line), var(--shadow-soft)}.identify-focus button{color:var(--muted);font:600 11px var(--font-sans), sans-serif;cursor:pointer;background:0 0;border:0;border-radius:999px;padding:5px 9px;transition:background .16s,color .16s}.identify-focus button:hover{color:var(--ink)}.identify-focus button.active{background:var(--ink);color:var(--surface)}.identify-idle{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.identify-idle p{color:var(--muted);margin:0;font-size:13px;line-height:1.55}.identify-idle .lesson-button{width:100%}.identify-fallback{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);flex-direction:column;align-items:flex-start;gap:12px;padding:20px;display:flex}.identify-fallback p{color:var(--muted);margin:0;font-size:13.5px;line-height:1.6}.identify-fallback .lesson-button{width:auto}@media (width<=1080px){.identify-page{grid-template-columns:1fr}.identify-sets,.identify-board{max-height:none;position:static}.identify-stage-column{order:1}.identify-board{order:2}.identify-sets{order:3}.identify-sets ul{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));display:grid}.identify-shell{height:clamp(420px,70vh,640px)}}.radiology-page{max-width:var(--page-max);padding:24px var(--page-gutter) 64px;margin:0 auto}.scan{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:20px;margin-top:20px;display:grid}.scan-panes{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.scan-pane{flex-direction:column;gap:6px;min-width:0;margin:0;display:flex}.scan-slider b,.scan-readout b,.scan-readout small,.scan-pane figcaption small{direction:ltr;unicode-bidi:isolate}.scan-volume{border:1px solid var(--line);border-radius:var(--radius-md);aspect-ratio:1;touch-action:none;background:#000;position:relative;overflow:hidden}.scan-volume .three-mount{position:absolute;inset:0}.scan-volume-axes{pointer-events:none;direction:ltr;position:absolute;inset:0}.scan-volume-axis{color:#e6f4eeeb;font:600 11px var(--font-sans), sans-serif;letter-spacing:.06em;text-shadow:0 0 5px #000000f2,0 0 2px #000000e6;position:absolute;transform:translate(-50%,-50%)}.scan-volume-hint{color:#fff6;pointer-events:none;top:8px;margin:0;font-size:10.5px;position:absolute;inset-inline-start:10px}.scan-volume-controls{bottom:8px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;display:flex;position:absolute;inset-inline:8px}.scan-volume-modes{background:#0000008c;border-radius:999px;gap:2px;padding:2px;display:flex}.scan-volume-modes button,.scan-volume-cut{color:#ffffff9e;font:600 10.5px var(--font-sans), sans-serif;cursor:pointer;background:0 0;border:0;border-radius:999px;align-items:center;gap:4px;padding:5px 9px;transition:background .16s,color .16s;display:inline-flex}.scan-volume-cut{background:#0000008c}.scan-volume-modes button:hover,.scan-volume-cut:hover{color:#fff}.scan-volume-modes button.active,.scan-volume-cut.active{color:#10100f;background:#ffffffeb}.scan-volume-empty{aspect-ratio:1;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper);color:var(--muted);text-align:center;place-items:center;padding:24px;font-size:12px;display:grid}.scan-frame{border:1px solid var(--line);border-radius:var(--radius-md);cursor:crosshair;touch-action:none;background:#000;position:relative;overflow:hidden}.scan-frame canvas{image-rendering:auto;width:100%;height:100%;display:block}.scan-cross-v,.scan-cross-h{background:var(--accent);position:absolute}@supports (color:color-mix(in lab, red, red)){.scan-cross-v,.scan-cross-h{background:color-mix(in srgb, var(--accent) 70%, transparent)}}.scan-cross-v,.scan-cross-h{pointer-events:none}.scan-cross-v{width:1px;top:0;bottom:0}.scan-cross-h{height:1px;inset-inline:0}.scan-marker{color:#ffffffb8;font:700 11px var(--font-sans), sans-serif;letter-spacing:.08em;text-shadow:0 0 4px #000000e6,0 1px 2px #000000e6;pointer-events:none;position:absolute;top:8px}.scan-marker-start{inset-inline-start:8px}.scan-marker-end{inset-inline-end:8px}.scan-pane figcaption{color:var(--muted);font:600 11.5px var(--font-sans), sans-serif;justify-content:space-between;align-items:baseline;gap:8px;display:flex}.scan-pane figcaption small{color:var(--soft);font-variant-numeric:tabular-nums}.scan-controls{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow-soft);flex-direction:column;gap:16px;padding:16px;display:flex;position:sticky;top:90px}.scan-head{flex-direction:column;gap:6px;display:flex}.scan-head h2{font:700 17px/1.25 var(--font-serif), serif;margin:0}.scan-head p{color:var(--muted);margin:0;font-size:12px;line-height:1.55}.scan-block{flex-direction:column;gap:8px;display:flex}.scan-block h3{color:var(--muted);font:700 10.5px/1.4 var(--font-sans), sans-serif;letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:5px;margin:0;display:flex}.scan-why{color:var(--soft);margin:0;font-size:11.5px;line-height:1.55}.scan-chips{gap:4px;display:flex}.scan-chips button{border:1px solid var(--line);background:var(--paper);color:var(--muted);font:600 11px var(--font-sans), sans-serif;cursor:pointer;border-radius:999px;flex:1;padding:5px 8px;transition:background .16s,color .16s,border-color .16s}.scan-chips button:hover{color:var(--ink)}.scan-chips button.active{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.scan-chips button.active{border-color:color-mix(in srgb, var(--accent) 45%, var(--line))}}.scan-chips button.active{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.scan-chips button.active{background:color-mix(in srgb, var(--accent) 14%, var(--surface))}}.scan-chips button.active{color:var(--ink)}.scan-slider{flex-direction:column;gap:3px;display:flex}.scan-slider span{color:var(--muted);font:500 11.5px var(--font-sans), sans-serif;justify-content:space-between;gap:8px;display:flex}.scan-slider b{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:600}.scan-slider input{width:100%}.scan-readout{border-radius:var(--radius-sm,10px);background:var(--paper);flex-direction:column;gap:2px;padding:10px 12px;display:flex}.scan-readout span{color:var(--muted);font:600 10.5px var(--font-sans), sans-serif;letter-spacing:.1em;text-transform:uppercase}.scan-readout b{font:700 18px var(--font-sans), sans-serif;font-variant-numeric:tabular-nums}.scan-readout small{color:var(--soft);font-size:10.5px;line-height:1.5}.scan-source{color:var(--soft);margin:0;font-size:11px;line-height:1.5}.scan-source a{color:var(--muted)}.scan-state{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);color:var(--muted);text-align:center;flex-direction:column;align-items:center;gap:8px;margin-top:20px;padding:72px 24px;display:flex}.scan-state strong{color:var(--ink);font:700 16px var(--font-serif), serif}.scan-state p{max-width:42ch;margin:0;font-size:12.5px;line-height:1.6}.scan-state[role=status] .scan-state-icon{animation:1.6s ease-in-out infinite scan-breathe}.scan-progress{background:var(--line);border-radius:999px;width:min(280px,100%);height:6px;margin-top:6px;position:relative;overflow:hidden}.scan-progress span{border-radius:inherit;background:var(--accent,var(--ink));width:0;transition:width .2s ease-out;position:absolute;inset-block:0;inset-inline-start:0}.scan-progress[data-indeterminate] span{width:35%;animation:1.2s ease-in-out infinite scan-sweep}.scan-progress-count{color:var(--soft);font:600 11.5px var(--font-sans), sans-serif;font-variant-numeric:tabular-nums}@keyframes scan-breathe{50%{opacity:.45;transform:scale(.94)}}@keyframes scan-sweep{0%{translate:-100%}to{translate:290%}}[dir=rtl] .scan-progress[data-indeterminate] span{animation-name:scan-sweep-rtl}@keyframes 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8px;position:absolute;bottom:8px}.scan-pending{grid-template-columns:minmax(0,1fr);gap:14px}@media (width<=980px){.scan{grid-template-columns:minmax(0,1fr)}.scan-controls{position:static}}@media (width<=620px){.scan-panes{grid-template-columns:minmax(0,1fr)}}.mech-page{max-width:var(--page-max);padding:24px var(--page-gutter) 64px;margin:0 auto}.mech-layout{grid-template-columns:212px minmax(0,1fr) 268px;align-items:start;gap:20px;margin-top:20px;display:grid}.mech-index{position:sticky;top:90px}.mech-index-heading{color:var(--soft);font:700 11.5px var(--font-sans), sans-serif;letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;align-items:baseline;gap:8px;margin:0 0 10px;display:flex}.mech-count{color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:0}.mech-index-list{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.mech-index-item{border-radius:var(--radius-md);width:100%;color:var(--soft);font:600 13px 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var(--font-sans), sans-serif;pointer-events:none;inset-inline-start:12px;margin:0;position:absolute;bottom:10px}.mech-stage-tools{inset-inline-end:10px;flex-direction:column;gap:6px;display:flex;position:absolute;top:10px}.mech-stage-tools button{color:#ffffffbd;cursor:pointer;background:#14151a9e;border:1px solid #ffffff29;border-radius:9px;place-items:center;width:30px;height:30px;display:grid}.mech-stage-tools button:hover{color:#fff;border-color:#ffffff57}.mech-stage-tools button.active{background:var(--accent);color:var(--on-accent,#fff);border-color:#0000}.mech-narration{flex-direction:column;gap:12px;display:flex}.mech-steps{flex-wrap:nowrap;align-items:center;gap:8px;display:flex}.mech-steps>button:not(.mech-play){border:1px solid var(--line);background:var(--surface);width:28px;height:28px;color:var(--soft);cursor:pointer;border-radius:8px;place-items:center;display:grid}.mech-steps>button:not(.mech-play):disabled{color:var(--line);cursor:default}.mech-ticks{flex:1;gap:5px;margin:0;padding:0;list-style:none;display:flex}.mech-ticks li{flex:1}.mech-ticks button{cursor:pointer;background:0 0;border:0;width:100%;height:5px;padding:7px 0;display:block;position:relative}.mech-ticks button:before{content:"";background:var(--line);border-radius:2px;height:4px;transition:background .18s;display:block}.mech-ticks button:hover:before{background:var(--mech-accent)}@supports (color:color-mix(in lab, red, red)){.mech-ticks button:hover:before{background:color-mix(in srgb, var(--mech-accent) 55%, var(--line))}}.mech-ticks button.active:before{background:var(--mech-accent)}.mech-ticks button:after{content:"";background:var(--mech-accent);transform-origin:0;border-radius:2px;height:4px;position:absolute;inset:7px 0 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0;font-size:11px;line-height:1.5}.mech-notice{max-width:78ch;color:var(--muted);margin:22px 0 0;font-size:11.5px;line-height:1.6}@media (width<=1080px){.mech-layout{grid-template-columns:196px minmax(0,1fr)}.mech-detail{grid-column:1/-1;position:static}}@media (width<=760px){.mech-layout{grid-template-columns:minmax(0,1fr)}.mech-index{position:static}.mech-index-list{flex-direction:row;padding-bottom:4px;overflow-x:auto}.mech-index-item{white-space:nowrap}.mech-stage{aspect-ratio:4/3}}.unit-molecules{margin-top:34px}.unit-molecules h2{color:var(--ink);font:700 19px var(--font-serif), serif;margin:0 0 4px}.unit-molecules>p{max-width:62ch;color:var(--soft);margin:0 0 14px;font-size:13.5px;line-height:1.6}.unit-molecules ul{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.unit-molecules li>a{border:1px solid var(--line);border-inline-start:3px solid var(--mech-accent);border-radius:var(--radius-md);background:var(--surface);flex-direction:column;gap:5px;height:100%;padding:13px 15px;text-decoration:none;transition:border-color .16s,transform .16s;display:flex;position:relative}.unit-molecules li>a:hover{border-color:var(--mech-accent)}@supports (color:color-mix(in lab, red, red)){.unit-molecules li>a:hover{border-color:color-mix(in srgb, var(--mech-accent) 55%, var(--line))}}.unit-molecules li>a:hover{transform:translateY(-1px)}.unit-molecules strong{color:var(--ink);font:700 14px var(--font-sans), sans-serif;padding-inline-end:44px}.unit-molecules small{color:var(--soft);font-size:12px;line-height:1.55}.unit-molecules .mech-index-pdb{position:absolute;top:13px;right:14px}[dir=rtl] .unit-molecules .mech-index-pdb{left:14px;right:auto}.not-found-page{max-width:720px;margin:0 auto;padding:clamp(40px,12vh,120px) 0 64px}.not-found-actions{flex-wrap:wrap;gap:10px;margin-top:26px;display:flex}.not-found-actions .lesson-button{gap:12px;width:auto;margin-top:0}@media (width<=640px){.not-found-actions .lesson-button{width:100%}}.workup-scan{color:var(--accent-ink);font:600 11.5px var(--font-sans), sans-serif;margin-top:6px;text-decoration:none;display:inline-block}.workup-scan:hover{text-decoration:underline}.scan-quiz{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.scan-quiz-pane{position:sticky;top:90px}.scan-quiz-body{flex-direction:column;gap:14px;min-width:0;display:flex}.scan-quiz-target{border:2px solid var(--accent);width:26px;height:26px;margin:-13px 0 0 -13px;position:absolute}@supports (color:color-mix(in lab, red, red)){.scan-quiz-target{border:2px solid color-mix(in srgb, var(--accent) 85%, white)}}.scan-quiz-target{pointer-events:none;border-radius:50%;box-shadow:0 0 0 1px #0000008c,inset 0 0 0 1px #00000059}.scan-quiz .quiz-shell{grid-column:1/-1;max-width:520px;margin-inline:auto}.scan-test{border:1px solid var(--accent);border-radius:var(--radius-md);background:var(--accent-soft);width:100%;color:var(--accent-ink);font:600 12.5px var(--font-sans), sans-serif;cursor:pointer;justify-content:center;align-items:center;gap:6px;margin-top:12px;padding:9px 12px;display:inline-flex}.scan-test:hover{background:var(--accent);color:var(--on-accent)}.scan-quiz-exit{color:var(--muted);font:600 11.5px var(--font-sans), sans-serif;cursor:pointer;background:0 0;border:0;align-self:start;padding:0}.scan-quiz-exit:hover{color:var(--ink)}@media (width<=860px){.scan-quiz{grid-template-columns:minmax(0,1fr)}.scan-quiz-pane{position:static}}.share-score{flex-direction:column;gap:8px;display:flex}.share-score-label{font:600 11px var(--font-sans), sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0}:lang(ar) .share-score-label{letter-spacing:0}.share-score-row{flex-wrap:wrap;gap:8px;display:flex}.share-chip{border:1px solid var(--line);background:var(--surface);min-height:36px;color:var(--ink);font:600 12.5px var(--font-sans), sans-serif;cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:0 14px;transition:border-color .16s,background-color .16s;display:inline-flex}.share-chip:hover,.share-chip:focus-visible{border-color:var(--ink)}@supports (color:color-mix(in lab, red, red)){.share-chip:hover,.share-chip:focus-visible{border-color:color-mix(in srgb, var(--ink) 35%, transparent)}}.share-chip[data-channel=whatsapp]{background:#25d366;border-color:#25d36673}@supports (color:color-mix(in lab, red, red)){.share-chip[data-channel=whatsapp]{background:color-mix(in srgb, #25d366 10%, var(--surface))}}.share-chip[data-channel=whatsapp]:hover{background:#25d366}@supports (color:color-mix(in lab, red, red)){.share-chip[data-channel=whatsapp]:hover{background:color-mix(in srgb, #25d366 18%, var(--surface))}}.module-result .share-score{margin-top:var(--space-3,12px)}.defi-page{max-width:1140px;margin:var(--space-6,32px) auto 0;padding:0 var(--space-4,16px) var(--space-8,64px)}.defi-shell{--stage-h:clamp(300px, 48vh, 500px);gap:var(--space-5,24px);flex-direction:column;display:flex}.defi-head{flex-direction:column;gap:6px;display:flex}.defi-kicker{font:600 11px var(--font-sans), sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-ink);margin:0}:lang(ar) .defi-kicker{letter-spacing:0}.defi-head h1{font-size:var(--text-3xl);line-height:var(--leading-tight);letter-spacing:-.01em;margin:0}.defi-sub{color:var(--muted);font-size:var(--text-base);max-width:56ch;margin:0}.defi-streak{color:var(--warn);font:600 13px var(--font-sans), sans-serif;align-items:center;gap:6px;margin:0;display:flex}.defi-tomorrow{color:var(--muted);align-items:center;gap:7px;margin:0;font-size:12.5px;display:flex}@media (width<=900px){.defi-shell .module-split{grid-template-columns:minmax(0,1fr)}.defi-shell{--stage-h:clamp(220px, 34vh, 340px)}.defi-shell .module-split-body{min-height:0}}.defi-post{gap:var(--space-6,32px);grid-template-columns:minmax(0,440px) minmax(0,1fr);align-items:start;display:grid}.defi-post-card{margin:0}.defi-post-card img,.defi-post-card-wait{aspect-ratio:4/5;border-radius:6px;width:100%;height:auto;display:block;box-shadow:0 1px 2px #2b22191f,0 12px 32px -12px #2b221947}.defi-post-card-wait{background:#f9f2e2}.defi-post-side{flex-direction:column;gap:12px;min-width:0;display:flex}.defi-post-caption{border:1px solid var(--line);background:var(--surface);color:var(--ink);font:400 14px/1.55 var(--font-sans), sans-serif;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:10px;margin:0;padding:16px 18px}.defi-post-steps{color:var(--muted);margin:4px 0 0;padding-inline-start:20px;font-size:13px;line-height:1.6}@media 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.module-stage{order:2;height:clamp(160px,26vh,240px)}}.duel-progress{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.duel-dots{gap:5px;display:inline-flex}.duel-dots i{background:var(--ink);border-radius:50%;width:9px;height:9px}@supports (color:color-mix(in lab, red, red)){.duel-dots i{background:color-mix(in srgb, var(--ink) 14%, transparent)}}.duel-dots i[data-state=now]{background:#c99a45}.duel-dots i[data-state=right]{background:var(--success)}.duel-dots i[data-state=wrong]{background:var(--danger)}.duel-shell:has(.duel-result){text-align:center;align-items:center}.duel-shell:has(.duel-result) .defi-head{align-items:center}.duel-result{align-items:center;gap:var(--space-5,24px);flex-direction:column;width:100%;max-width:560px;display:flex}.duel-result .share-score{align-items:center}.duel-result .share-score-row{justify-content:center}.duel-scores{justify-content:center;align-items:center;gap:var(--space-4,16px);width:100%;display:flex}.duel-score{padding:var(--space-4,16px);border:1px solid var(--line);background:var(--surface);border-radius:16px;flex-direction:column;flex:1;align-items:center;gap:4px;display:flex}.duel-scores:not([data-versus]) .duel-score{flex:0 260px}.duel-score[data-lead]{border-color:#c99a45;box-shadow:0 0 0 1px #c99a45,0 14px 32px -20px #a9792fe6}.duel-score-name{font:600 13px var(--font-sans), sans-serif;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.duel-score b{font:700 44px/1 var(--font-sans), sans-serif;color:var(--ink)}.duel-score-vs{color:var(--muted);font:italic 500 18px var(--font-serif), serif;flex:none}.duel-next{flex-wrap:wrap;justify-content:center;gap:10px 20px;display:flex}.duel-next a{color:var(--ink);font:600 13px var(--font-sans), sans-serif;align-items:center;gap:7px;text-decoration:none;display:inline-flex}.duel-next a:hover{text-underline-offset:3px;text-decoration:underline}.duel-next .duel-signup{color:var(--accent-ink)}.invite-panel h2{align-items:center;gap:8px;display:flex}.invite-code{border:1px dashed var(--line);border-radius:var(--radius-md);justify-content:space-between;align-items:baseline;gap:12px;padding:12px 16px;display:flex}.invite-code span{color:var(--muted);font-size:12.5px}.invite-code b{font:700 24px var(--font-sans), sans-serif;letter-spacing:.18em;color:var(--ink);direction:ltr;unicode-bidi:isolate}.invite-progress{align-items:center;gap:6px;display:flex}.invite-progress span{background:var(--line);border-radius:999px;width:22px;height:6px}.invite-progress span[data-done]{background:var(--accent)}.invite-progress small{color:var(--muted);margin-inline-start:6px;font-size:12px}.qcm-page{max-width:860px;margin:var(--space-6,32px) auto 0;padding:0 var(--space-4,16px) 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0 1px var(--line);border-radius:50%}.qcm-essentials dl{grid-template-columns:max-content minmax(0,1fr);gap:10px 18px;margin:0;display:grid}.qcm-essentials dt{color:var(--ink);font-weight:600}.qcm-essentials dd{color:var(--soft);margin:0;line-height:1.6}.qcm-list{gap:var(--space-4,16px);flex-direction:column;margin:0;padding-inline-start:1.4em;display:flex}.qcm-list>li{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);padding:14px 16px}.qcm-list>li::marker{color:var(--muted);font-weight:600}.qcm-prompt{color:var(--ink);margin:0 0 8px;font-weight:600;line-height:1.5}.qcm-options{color:var(--soft);margin:0 0 10px;padding-inline-start:1.4em;line-height:1.7;list-style:upper-alpha}:lang(ar) .qcm-options{list-style:arabic-indic}.qcm-list details summary{cursor:pointer;color:var(--accent-ink);font:600 12.5px var(--font-sans), sans-serif}.qcm-list details p{color:var(--soft);margin:8px 0 0;line-height:1.6}.qcm-list details .qcm-answer{color:var(--ink);font-weight:600}.qcm-cta{justify-content:space-between;align-items:center;gap:var(--space-4,16px);padding:var(--space-5,24px);border:1px solid var(--accent);flex-wrap:wrap;display:flex}@supports (color:color-mix(in lab, red, red)){.qcm-cta{border:1px solid color-mix(in srgb, var(--accent) 40%, transparent)}}.qcm-cta{border-radius:var(--radius-lg);background:var(--accent-soft)}.qcm-cta h2{margin-bottom:4px}.qcm-cta p{color:var(--soft);margin:0}.qcm-cta-actions{flex-wrap:wrap;gap:10px;display:flex}.qcm-others ul{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.qcm-others a{border:1px solid var(--line);color:var(--ink);border-radius:999px;padding:6px 12px;font-size:13px;text-decoration:none;display:inline-block}.qcm-index{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.qcm-index li{display:flex}.qcm-index a{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);color:var(--ink);flex:1;align-items:center;gap:12px;padding:10px 14px 10px 10px;text-decoration:none;display:flex}.qcm-index img{object-fit:cover;border-radius:50%;width:52px;height:52px}.qcm-index span{flex-direction:column;gap:2px;display:flex}.qcm-index small{color:var(--muted);font-size:12px}@media (width<=640px){.qcm-head{grid-template-columns:minmax(0,1fr)}.qcm-plate{order:-1;width:140px;height:140px}.qcm-essentials dl{grid-template-columns:minmax(0,1fr);gap:4px}.qcm-essentials dd{margin-bottom:8px}}@media (width>=1280px){.qcm-page{max-width:min(1280px,92vw)}.qcm-head{grid-template-columns:minmax(0,1fr) 260px}.qcm-plate{width:260px;height:260px}.qcm-lede,.qcm-essentials dl,.qcm-cta p{max-width:76ch}.qcm-list{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));padding-inline-start:0;display:grid}.qcm-list>li{flex-direction:column;display:flex}.qcm-list details{margin-top:auto}.qcm-list+.qcm-list{margin-top:var(--space-4,16px)}.qcm-index{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.qcm-index a{padding:12px 16px 12px 12px}.qcm-index img{width:60px;height:60px}}.footer-links{gap:14px;font-size:12px;display:flex}.footer-links a{color:var(--muted);text-decoration:none}.footer-links a:hover{color:var(--ink)}.feature-lock{align-items:center;gap:var(--space-2,8px);max-width:440px;padding:var(--space-6,32px) var(--space-5,24px);border:1.5px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-soft);text-align:center;flex-direction:column;margin-inline:auto;display:flex}.feature-lock-icon{width:44px;height:44px;margin-bottom:var(--space-1,4px);background:var(--accent-soft);color:var(--accent);border-radius:50%;place-items:center;display:grid}.feature-lock strong{color:var(--ink);font:700 var(--text-lg,18px)/1.25 var(--font-sans), 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.feature-lock{max-width:none}.stage-tool-lock-close{z-index:1;width:30px;height:30px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;display:grid;position:absolute;inset-block-start:8px;inset-inline-end:8px}.stage-tool-lock-close:hover{background:var(--accent-soft);color:var(--ink)}.gesture-panel .feature-lock{padding:var(--space-3,12px) var(--space-2,8px);background:0 0;border:0}.organ-chip .organ-chip-lock,.atlas-toolbar .tool-lock{color:var(--muted);flex:none}.viewer-shell>.feature-lock{z-index:3;height:fit-content;margin:auto;position:absolute;inset:0}.mech-lock{z-index:3;padding:var(--space-4,16px);background:var(--paper);place-items:center;display:grid;position:absolute;inset:0}@supports (color:color-mix(in lab, red, red)){.mech-lock{background:color-mix(in srgb, var(--paper) 82%, transparent)}}.mech-lock{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.qcm-locked{gap:var(--space-3,12px);margin-top:var(--space-5,24px);flex-direction:column;display:flex}.qcm-locked-count{text-align:center;color:var(--soft);margin:0;font-size:13px}.scan-studies strong svg,.identify-set b svg{vertical-align:-1px;color:var(--muted);margin-inline-start:5px;display:inline-block}.feature-lock-kicker{color:var(--accent);font:700 10.5px var(--font-sans), sans-serif;letter-spacing:.12em;text-transform:uppercase}.dental-page{max-width:var(--page-max);padding:16px var(--page-gutter) 40px;margin:0 auto}.dental-hero{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:12px 32px;margin-bottom:12px;display:grid}.dental-hero-text{justify-items:start;gap:4px;display:grid}.dental-hero h1{font:700 clamp(24px, 2.4vw, 32px)/1.08 var(--font-sans), sans-serif;letter-spacing:-.035em;margin:0}.dental-hero p{max-width:640px;color:var(--muted);font-size:var(--text-md);margin:0;line-height:1.55}.dental-facts{gap:8px;margin:0;display:flex}.dental-facts div{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);min-width:96px;padding:8px 14px}.dental-facts dt{font:700 22px/1 var(--font-sans), sans-serif;letter-spacing:-.03em;color:var(--accent-ink)}.dental-facts dd{color:var(--muted);font-size:var(--text-xs);margin:4px 0 0;line-height:1.3}.dental-shell{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-soft);gap:8px;padding:8px;display:grid}.dental-shell[data-fullscreen=true]{height:100vh;box-shadow:none;border:0;border-radius:0;grid-template-rows:auto minmax(0,1fr)}.dental-bar{align-items:center;gap:10px;min-width:0;display:flex}.dental-jumps{scrollbar-width:none;flex:1;align-items:center;gap:6px;min-width:0;padding:2px;display:flex;overflow-x:auto}.dental-jumps::-webkit-scrollbar{display:none}.dental-jumps{padding-inline-end:24px;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 28px),#0000)}[dir=rtl] .dental-jumps{-webkit-mask-image:linear-gradient(270deg,#000 calc(100% - 28px),#0000);mask-image:linear-gradient(270deg,#000 calc(100% - 28px),#0000)}.dental-jumps-label{color:var(--muted);font:600 var(--text-xs) var(--font-sans), sans-serif;letter-spacing:.06em;text-transform:uppercase;flex:none;padding-inline:6px 4px}.dental-jumps button,.dental-action{border:1px solid var(--line);background:var(--paper);height:34px;color:var(--ink);font:500 var(--text-sm) var(--font-sans), sans-serif;white-space:nowrap;cursor:pointer;transition:background var(--dur-fast) ease, border-color var(--dur-fast) ease, color var(--dur-fast) ease;border-radius:999px;flex:none;align-items:center;gap:7px;padding:0 13px;display:inline-flex}.dental-jumps button:hover:not(:disabled),.dental-action:hover:not(:disabled){border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.dental-jumps button:hover:not(:disabled),.dental-action:hover:not(:disabled){border-color:color-mix(in srgb, var(--accent) 40%, var(--line))}}.dental-jumps button:hover:not(:disabled),.dental-action:hover:not(:disabled){color:var(--accent-ink)}.dental-jumps button.active{background:var(--accent-soft);color:var(--accent-ink);border-color:#0000;font-weight:600}.dental-jumps 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0;font-size:7.5pt;display:grid}.ld-mast>*{white-space:nowrap}.ld-mast>:last-child{text-align:end}.ld-mast-mid{letter-spacing:.22em;color:var(--ld-ink);font-size:9pt}.ld-mast-mid:before,.ld-mast-mid:after{content:"—◆—";color:var(--ld-rule);letter-spacing:0;margin-inline:2.5mm}.ld-main{flex:auto;grid-template-columns:1fr 46mm;gap:4mm;min-height:0;display:grid}.ld-main--wide{grid-template-columns:1fr}.ld-lead{flex-direction:column;min-height:0;display:flex}.ld-title h1{text-transform:uppercase;letter-spacing:.02em;margin:0;font-size:34pt;font-weight:600;line-height:1}.ld-poetic{color:var(--ld-red);margin:1mm 0 2mm;font-size:14pt;font-style:italic}.ld-standfirst{border-block:.25mm solid var(--ld-rule);max-width:92mm;margin:0;padding-block:2mm;font-size:9.5pt;line-height:1.45}.ld-specimen{flex:1 1 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img{flex:auto;min-height:0}.ld-frame-title{letter-spacing:.14em;text-transform:uppercase;color:var(--ld-red);font-size:7pt;font-weight:600}.ld-frame-caption{text-align:center;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:7.2pt;font-style:italic;line-height:1.3;display:-webkit-box;overflow:hidden}.ld-facts{border:.3mm solid var(--ld-rule);background:#f5ecd6;grid-template-columns:repeat(3,1fr);gap:2.5mm 4mm;margin:0;padding:3mm 4mm;display:grid}.ld-facts>div{align-items:flex-start;gap:2mm;display:flex}.ld-fact-icon{border:.25mm solid var(--ld-gilt);width:6.5mm;height:6.5mm;color:var(--ld-gilt);border-radius:50%;flex:none;place-items:center;display:grid}.ld-fact-icon svg{width:3.6mm;height:3.6mm}.ld-facts dt{letter-spacing:.14em;text-transform:uppercase;color:var(--ld-gilt);font-size:6.8pt;font-weight:600}.ld-facts dd{-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:8pt;line-height:1.3;display:-webkit-box;overflow:hidden}.ld-parts{flex:none;grid-template-columns:repeat(3,1fr);gap:3mm;height:58mm;display:grid}.lesson-doc:lang(ar) .ld-mast,.lesson-doc:lang(ar) .ld-mast-mid,.lesson-doc:lang(ar) .ld-frame-title,.lesson-doc:lang(ar) .ld-facts dt{letter-spacing:0;text-transform:none}.lesson-doc:lang(ar) .ld-mast{font-size:9pt}.lesson-doc:lang(ar) .ld-frame-title,.lesson-doc:lang(ar) .ld-facts dt{font-size:8.5pt}.lesson-doc:lang(ar) .ld-title h1{text-transform:none;font-size:32pt}.lesson-doc:lang(ar) .ld-frame-caption,.lesson-doc:lang(ar) .ld-facts dd{font-size:7.8pt;line-height:1.65}.lesson-doc:lang(ar) .ld-poetic,.lesson-doc:lang(ar) .ld-frame-caption{font-style:normal}.lesson-doc-section{margin-top:12px}.lesson-doc h2{letter-spacing:.1em;text-transform:uppercase;color:#8e3626;break-after:avoid;border-bottom:1px solid #d9c7a3;margin:0 0 6px;padding-bottom:3px;font-size:11pt}.lesson-doc:lang(ar) h2{letter-spacing:0;text-transform:none;font-size:13pt}.lesson-doc h3{break-after:avoid;margin:10px 0 3px;font-size:12pt}.lesson-doc p{orphans:3;widows:3;margin:0 0 5px}.lesson-doc-lead{font-size:12pt}.lesson-doc-terms{margin:0}.lesson-doc-terms div{break-inside:avoid;margin:0 0 3px}.lesson-doc-terms dt{color:#8e3626;font-weight:700;display:inline}.lesson-doc-terms dt:after{content:" — ";color:#2a2118;font-weight:400}.lesson-doc-terms dd{margin:0;display:inline}.lesson-doc-topic{break-inside:auto}.lesson-doc-points{break-inside:avoid;background:#faf3e6;border-inline-start:3px solid #c99a45;margin:4px 0 6px;padding:6px 10px}.lesson-doc-points b{color:#9a7434;font-size:9pt}.lesson-doc ul{margin:2px 0 0;padding-inline-start:18px}.lesson-doc-flags li{margin:2px 0}.lesson-doc-disclaimer{color:#6b5a45;margin-top:12px;font-size:9pt;font-style:italic}}.listen{--listen-top:76px;align-self:stretch;inline-size:100%;max-inline-size:940px;margin-inline:auto}.listen:not([data-phase=idle]){top:var(--listen-top);z-index:calc(var(--z-nav) - 1);position:sticky}.listen-bar{flex-direction:column;align-items:center;gap:10px;display:flex}.listen-start{border:1px solid var(--ms-hairline);background:var(--surface);min-height:52px;color:var(--ink);box-shadow:var(--shadow-soft);cursor:pointer;text-align:start;transition:border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);border-radius:999px;align-items:center;gap:12px;padding-block:7px;padding-inline:7px 22px;display:inline-flex}.listen-start:hover:not(:disabled){border-color:var(--gold);box-shadow:var(--shadow-lift)}.listen-start:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.listen-start:disabled{cursor:default;box-shadow:none;background:0 0}.listen-start:disabled .listen-start-copy{opacity:.62}.listen-start:disabled .listen-start-icon{background:var(--line);color:var(--muted)}.listen-start-icon{background:var(--gilt);block-size:38px;inline-size:38px;color:var(--on-gilt);border-radius:50%;flex:none;place-items:center;display:grid}.listen-start-copy{gap:2px;display:grid}.listen-start-copy strong{font:650 14px/1.3 var(--font-sans), sans-serif}.listen-start-title{align-items:baseline;gap:9px;display:flex}.listen-start-title .ms-callig{margin-block-end:-.06em;font-size:1.5em}.listen-start-title .ms-callig:only-child{font-size:1.45em}.listen-start-copy small{font:500 12px/1.35 var(--font-sans), sans-serif;color:var(--muted)}.listen-why{border:1px solid color-mix(in srgb, var(--warn) 40%, var(--line));border-radius:var(--radius-sm);background:color-mix(in srgb, var(--warn) 9%, var(--surface));max-inline-size:560px;color:var(--soft);font:500 12.5px/1.5 var(--font-sans), sans-serif;text-align:center;gap:3px;margin:0;padding:10px 14px;display:grid}.listen-why b{color:var(--ink);font-weight:650}.listen-player{--ms-folio-radius:18px;border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 93%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--shadow);border-radius:18px;grid-template-columns:auto minmax(0,1fr) auto auto;grid-template-areas:"controls now speed close""progress progress progress progress";align-items:center;gap:6px 14px;padding:15px 16px 11px;display:grid}@keyframes listen-in{0%{opacity:0;transform:translateY(4px)}}.listen-player>*{animation:listen-in var(--dur-slow) var(--ease-out) 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#3c280f73}.listen-toggle:hover{background:var(--gilt-hover)}.listen-skip:focus-visible,.listen-close:focus-visible,.listen-toggle:focus-visible,.listen-speed button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}[dir=rtl] .listen-skip svg{transform:scaleX(-1)}.listen-now{grid-area:now;gap:1px;min-inline-size:0;margin:0;display:grid}.listen-now-label{font:700 10px/1.4 var(--font-sans), sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);align-items:baseline;gap:8px;display:flex}.listen-now-label .ms-callig{font-size:1.6em}.listen-now-label:lang(ar){letter-spacing:0;text-transform:none;font-size:11px}.listen-now-label:lang(ar) .ms-callig{font-size:1.5em}.listen-now-label[data-tone=late]{color:var(--vermilion);letter-spacing:0;text-transform:none;font-size:11.5px}.listen-now-text{-webkit-line-clamp:2;line-clamp:2;font:400 14px/1.45 var(--font-serif), Georgia, 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var(--ms-hairline)) 50% 50% / 100% 1px no-repeat;flex:1;block-size:10px;position:relative}.listen-track>span{background:linear-gradient(var(--accent), var(--accent)) 50% 50% / 100% 2px no-repeat;block-size:100%;transition:inline-size var(--dur-slow) var(--ease-out);display:block;position:relative}.listen-track>span:after{content:"";inset-inline-end:-4px;background:var(--gold);width:7px;height:7px;box-shadow:0 0 0 2px var(--surface);margin-top:-3.5px;position:absolute;top:50%;rotate:45deg}.listen-progress small{color:var(--muted);flex:none;font-size:13px;font-style:italic;line-height:1}.listen-progress small:lang(ar){font:500 11.5px/1 var(--font-sans), sans-serif}.listen-voice{border-inline-start:1px solid var(--ms-hairline);color:var(--muted);flex:none;align-items:center;gap:5px;padding-inline-start:10px;display:inline-flex}.listen-voice select{appearance:none;field-sizing:content;block-size:24px;max-inline-size:150px;color:var(--soft);font:italic 500 13px/1 var(--font-serif), Georgia, serif;text-overflow:ellipsis;cursor:pointer;background:linear-gradient(45deg,#0000 50%,currentColor 50%) calc(100% - 7px) 55%/4px 4px no-repeat,linear-gradient(-45deg,#0000 50%,currentColor 50%) calc(100% - 3px) 55%/4px 4px no-repeat;border:0;border-radius:6px;padding-block:0;padding-inline:2px 15px}[dir=rtl] .listen-voice select{background-position:7px 55%,3px 55%}.listen-voice select:hover{color:var(--ink)}.listen-voice select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.listen-voice select:lang(ar),.listen-voice select option{font-style:normal}::highlight(lesson-listen){background-color:color-mix(in srgb, var(--gold) 36%, transparent);color:var(--ink)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) ::highlight(lesson-listen){background-color:color-mix(in srgb, var(--gold) 26%, transparent)}}:root[data-theme=dark] ::highlight(lesson-listen){background-color:color-mix(in srgb, var(--gold) 26%, transparent)}@media 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ease, box-shadow var(--dur-base) ease, border-color var(--dur-base) ease;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:16px 18px;text-decoration:none;display:grid}.cells-build-icon{background:var(--gilt);width:46px;height:46px;color:var(--on-gilt);border-radius:50%;place-items:center;display:grid;box-shadow:inset 0 0 0 1px #ffffff40,0 6px 14px -8px #3c280f80}.cells-build-text{flex-direction:column;gap:2px;min-width:0;display:flex}.cells-build-text small{color:var(--accent-ink);font:700 10.5px/1.4 var(--font-sans), sans-serif;letter-spacing:.14em;text-transform:uppercase}.cells-build-text strong{font:600 21px/1.2 var(--font-serif), Georgia, serif}.cells-build-text strong:lang(ar),:lang(ar) .cells-build-text strong{font:700 18px/1.4 var(--font-sans), sans-serif}.cells-build-text>span{color:var(--muted);font-size:13px;line-height:1.45}.cells-build-arrow{color:var(--accent-ink);transition:translate var(--dur-base) ease}.cells-build-cta:hover{border-color:var(--gold);box-shadow:var(--shadow-lift);transform:translateY(-2px)}.cells-build-cta:hover .cells-build-arrow{translate:4px}[dir=rtl] .cells-build-cta:hover .cells-build-arrow{translate:-4px}.cells-build-cta:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.cells-layout{--plate-paper:#f7efdf;--plate-paper-edge:#ecdfc7;--plate-ink:#4a3522;--plate-ink-soft:#4a35229e;--plate-chip:#fbf6ecf0;--plate-chip-line:#4a352238;grid-template-columns:minmax(0,1fr) 340px;grid-template-areas:"index index""main detail";align-items:start;gap:26px 24px;margin-top:24px;display:grid}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .cells-layout{--plate-paper:#221d17;--plate-paper-edge:#15120e;--plate-ink:#ead9b8;--plate-ink-soft:#ead9b899;--plate-chip:#1c1813eb;--plate-chip-line:#ead9b833}}:root[data-theme=dark] .cells-layout{--plate-paper:#221d17;--plate-paper-edge:#15120e;--plate-ink:#ead9b8;--plate-ink-soft:#ead9b899;--plate-chip:#1c1813eb;--plate-chip-line:#ead9b833}.cells-page :is(button,a):focus-visible{outline:2px solid var(--accent);outline-offset:2px}.cells-index-heading,.cells-key-heading{color:var(--muted);font:700 11px/1.4 var(--font-sans), sans-serif;letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px}.cells-index{grid-area:index;min-width:0}.cells-index-list{grid-template-columns:repeat(8,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.cells-index-list li{min-width:0}.cells-index-item{border:1.5px solid var(--line);background:var(--surface);width:100%;height:100%;color:var(--soft);font:600 13.5px/1.25 var(--font-sans), sans-serif;text-align:start;cursor:pointer;transition:transform var(--dur-base) ease, box-shadow var(--dur-base) ease, border-color var(--dur-base) ease, background var(--dur-base) ease;border-radius:14px;flex-direction:column;align-items:flex-start;gap:10px;padding:12px 12px 11px;display:flex;position:relative}.cells-index-item:hover{border-color:color-mix(in srgb, var(--item-accent) 55%, var(--line));box-shadow:var(--shadow-soft);color:var(--ink);transform:translateY(-2px)}.cells-index-item.active{border-color:var(--item-accent);background:color-mix(in srgb, var(--item-accent) 13%, var(--surface));box-shadow:0 0 0 3px color-mix(in srgb, var(--item-accent) 24%, transparent), var(--shadow-soft);color:var(--ink)}.cells-index-swatch{background:radial-gradient(circle at 34% 30%, color-mix(in srgb, #fff 55%, var(--item-accent)) 0%, var(--item-accent) 52%, color-mix(in srgb, #2b2219 28%, var(--item-accent)) 100%);width:28px;height:28px;transition:box-shadow var(--dur-base) ease;border-radius:50%;flex:none;box-shadow:inset 0 0 0 1px #4a352240}.cells-index-item.active .cells-index-swatch{box-shadow:inset 0 0 0 1px #4a352240, 0 0 0 2px var(--surface), 0 0 0 4px var(--item-accent)}.cells-index-text{flex-direction:column;gap:3px;width:100%;min-width:0;display:flex}.cells-index-name{min-width:0;color:inherit}.cells-index-kind{color:var(--muted);font:600 11px/1.3 var(--font-sans), sans-serif;letter-spacing:.01em}.cells-index-size{font-variant-numeric:tabular-nums;white-space:nowrap;unicode-bidi:isolate}.cells-index-lock{border:1px solid color-mix(in srgb, var(--gold) 55%, var(--line));background:color-mix(in srgb, var(--gold) 16%, var(--surface));width:22px;height:22px;color:var(--accent-ink);border-radius:50%;place-items:center;display:grid;position:absolute;inset-block-start:9px;inset-inline-end:9px}.cells-index-item.is-locked:not(.active) .cells-index-name{color:var(--soft)}.cells-main{flex-direction:column;grid-area:main;gap:16px;min-width:0;display:flex}.cells-head h2{color:var(--ink);font:600 clamp(24px, 2.2vw, 30px)/1.15 var(--font-serif), Georgia, serif;align-items:center;gap:11px;margin:0 0 6px;display:flex}.cells-head h2:lang(ar),:lang(ar) .cells-head h2{font:700 24px/1.4 var(--font-sans), sans-serif}.cells-head-swatch,.cells-overview-swatch{background:var(--cell-accent);width:12px;height:12px;box-shadow:0 0 0 3px color-mix(in srgb, var(--cell-accent) 25%, transparent);border-radius:50%;flex:none}.cells-head p{max-width:78ch;color:var(--soft);margin:0;font-size:14px;line-height:1.6}.cells-viewer{border:1.5px solid var(--line);background:var(--surface);box-shadow:var(--shadow-soft);border-radius:20px;flex-direction:column;gap:10px;padding:10px;display:flex}.cells-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:2px 2px 0;display:flex}.cells-modes{border:1px solid var(--line);background:color-mix(in srgb, var(--ink) 4%, var(--surface));border-radius:999px;gap:2px;padding:3px;display:inline-flex}.cells-switches{gap:6px;display:inline-flex}.cells-modes button,.cells-switches button{min-height:34px;color:var(--soft);font:600 13px var(--font-sans), sans-serif;cursor:pointer;transition:background var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;background:0 0;border:0;border-radius:999px;align-items:center;gap:6px;padding:0 15px;display:inline-flex}.cells-modes button:hover:not(:disabled):not(.active){color:var(--ink);background:color-mix(in srgb, var(--ink) 6%, transparent)}.cells-modes button.active{background:var(--gilt);color:var(--on-gilt);box-shadow:0 4px 10px -6px #3c280f8c}.cells-switches button{border:1px solid var(--line);color:var(--muted);background:0 0}.cells-switches button:hover:not(:disabled){color:var(--ink);border-color:color-mix(in srgb, var(--accent) 35%, var(--line))}.cells-switches button.active{border-color:color-mix(in srgb, var(--accent) 50%, var(--line));color:var(--accent-ink);background:var(--accent-soft)}.cells-modes button:disabled,.cells-switches button:disabled{opacity:.45;cursor:default}.cells-stage{border:1px solid var(--line);background:radial-gradient(ellipse 70% 62% at 50% 46%, var(--plate-paper) 0%, var(--plate-paper) 55%, var(--plate-paper-edge) 100%);aspect-ratio:16/10;min-height:360px;max-height:calc(100dvh - 110px);box-shadow:inset 0 0 0 6px color-mix(in srgb, var(--plate-paper) 70%, transparent), inset 0 0 0 7px var(--plate-chip-line);border-radius:13px;position:relative;overflow:hidden}.cells-mount{position:absolute;inset:0}.cells-mount canvas{touch-action:none;cursor:grab;width:100%;height:100%;display:block}.cells-mount canvas:active{cursor:grabbing}.cells-status{inset-inline-start:50%;color:var(--plate-ink-soft);font:600 12.5px var(--font-sans), sans-serif;align-items:center;gap:7px;margin:0;display:flex;position:absolute;top:50%;transform:translate(-50%,-50%)}[dir=rtl] .cells-status{transform:translate(50%,-50%)}.cells-status-failed{color:var(--danger)}.cell-label-layer{position:absolute;inset:0;overflow:hidden}.cell-leaders{position:absolute;top:0;left:0;overflow:visible}.cell-leader-line{fill:none;stroke:var(--plate-ink-soft);stroke-width:.9px;stroke-linejoin:round;transition:opacity .25s}.cell-leader-ring{fill:color-mix(in srgb, var(--plate-paper) 55%, transparent);stroke:var(--plate-ink-soft);stroke-width:.8px;transition:opacity .25s}.cell-leader-dot{fill:var(--plate-ink);transition:opacity .25s}.cell-label{border:1px solid var(--plate-chip-line);background:var(--plate-chip);width:max-content;max-width:164px;color:var(--plate-ink);font:600 11.5px/1.25 var(--font-sans), sans-serif;white-space:normal;border-radius:7px;align-items:baseline;gap:5px;padding:3px 8px 3px 6px;transition:opacity .25s,border-color .2s;display:inline-flex;position:absolute;top:0;left:0}.cell-label b{color:var(--plate-ink-soft);font:700 11px var(--font-serif), serif;flex:none}.cell-label span{overflow-wrap:break-word;min-width:0}.cell-label.is-selected{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent)}.cell-pin{border:1px solid var(--plate-ink-soft);background:var(--plate-chip);width:18px;height:18px;color:var(--plate-ink);font:700 10px var(--font-serif), serif;font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;display:grid;position:absolute;top:0;left:0}.cell-pin.is-selected{border-color:var(--accent);background:var(--accent);color:var(--on-accent)}.cell-hover-chip{z-index:2;border:1px solid var(--plate-chip-line);background:var(--plate-chip);color:var(--plate-ink);font:600 11.5px var(--font-sans), sans-serif;white-space:nowrap;pointer-events:none;opacity:0;border-radius:6px;padding:3px 8px;transition:opacity .15s;position:absolute;top:0;left:0}.cell-scalebar{pointer-events:none;flex-direction:column;align-items:flex-start;gap:3px;display:flex;position:absolute;bottom:12px;left:14px}.cell-scalebar-line{border:1.2px solid var(--plate-ink);border-top:0;height:4px;display:block}.cell-scalebar-text{color:var(--plate-ink);font:600 11px var(--font-sans), sans-serif;font-variant-numeric:tabular-nums;unicode-bidi:isolate}.cells-stage-tools{inset-inline-end:12px;z-index:3;border:1px solid var(--plate-chip-line);background:var(--plate-chip);border-radius:12px;flex-direction:column;padding:3px;display:flex;position:absolute;top:12px;box-shadow:0 6px 16px -10px #2b221966}.cells-stage-tools button{width:32px;height:32px;color:var(--plate-ink);cursor:pointer;transition:background var(--dur-fast) ease;background:0 0;border:0;border-radius:9px;place-items:center;display:grid}.cells-stage-tools button:hover{background:color-mix(in srgb, var(--plate-ink) 10%, transparent)}.cells-affordance{color:var(--plate-ink-soft);font:500 11px var(--font-sans), sans-serif;pointer-events:none;margin:0;position:absolute;bottom:11px;right:14px}.cells-lock{z-index:4;place-items:center;padding:16px;display:grid;position:absolute;inset:0}.cells-stage[data-field=light]{--plate-ink:#4a3522;--plate-ink-soft:#4a35229e;--plate-chip:#fbf6ecf0;--plate-chip-line:#4a352238}.cells-stage[data-field=dark]{--plate-ink:#ead9b8;--plate-ink-soft:#ead9b899;--plate-chip:#1c1813eb;--plate-chip-line:#ead9b833}.cells-stains{gap:6px;padding:2px 4px 4px;display:grid}.cells-stain-picker{flex-wrap:wrap;align-items:center;gap:5px;display:flex}.cells-stain-label{color:var(--muted);font:700 10.5px var(--font-sans), sans-serif;letter-spacing:.12em;text-transform:uppercase;margin-inline-end:4px}.cells-stain-picker button{border:1px solid var(--line);min-height:30px;color:var(--soft);font:600 12.5px var(--font-sans), sans-serif;cursor:pointer;transition:background var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;background:0 0;border-radius:999px;padding:0 12px}.cells-stain-picker button:hover:not(.active){color:var(--ink);border-color:color-mix(in srgb, var(--accent) 35%, var(--line))}.cells-stain-picker button.active{border-color:color-mix(in srgb, var(--accent) 50%, var(--line));background:var(--accent-soft);color:var(--accent-ink)}.cells-stain-picker button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.cells-stain-note{color:var(--soft);max-width:92ch;margin:2px 0 0;font-size:13.5px;line-height:1.55}.cells-stain-note strong{color:var(--ink);font-weight:650}.cells-stain-binds{color:var(--muted);max-width:92ch;margin:0;font-size:12.5px;line-height:1.55}.cells-stain-caveat{color:var(--muted);margin-top:6px;font-size:12.5px;font-style:italic;display:block}.cells-stain-caveat strong{color:var(--soft);font-style:normal}.cells-quiz-prompt{z-index:3;border:1px solid color-mix(in srgb, var(--accent) 40%, var(--plate-chip-line));background:var(--plate-chip);max-width:calc(100% - 100px);color:var(--plate-ink);box-shadow:var(--shadow-soft);border-radius:999px;align-items:baseline;gap:9px;padding:7px 14px;display:flex;position:absolute;top:12px;left:50%;transform:translate(-50%)}.cells-quiz-kicker{color:var(--plate-ink-soft);font:700 10.5px var(--font-sans), sans-serif;letter-spacing:.08em;text-transform:uppercase}.cells-quiz-prompt strong{font:700 16px var(--font-serif), serif;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.cells-quiz-count{color:var(--plate-ink-soft);font:600 11px var(--font-sans), sans-serif;font-variant-numeric:tabular-nums;unicode-bidi:isolate}.cells-key-heading{justify-content:space-between;align-items:baseline;gap:12px;display:flex}:lang(ar) :is(.cells-index-heading,.cells-key-heading,.cells-build-text small,.cells-facts dt,.cells-stats dt,.cells-lesson small,.cells-drawing span,.cells-quiz-kicker){letter-spacing:0;font-size:12.5px}.cells-key-heading span{color:var(--muted);letter-spacing:.04em;text-transform:none;font-size:12px;font-weight:600}.cells-key{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.cells-key li{min-width:0}.cells-key button{border:1px solid var(--line);background:var(--surface);width:100%;height:100%;min-height:46px;color:var(--soft);font:600 12.5px var(--font-sans), sans-serif;text-align:start;cursor:pointer;transition:transform var(--dur-fast) ease, border-color var(--dur-fast) ease, background var(--dur-fast) ease, color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;border-radius:12px;align-items:center;gap:10px;padding:7px 12px 7px 9px;display:flex}.cells-key button:hover{color:var(--ink);border-color:color-mix(in srgb, var(--swatch) 70%, var(--line));box-shadow:var(--shadow-soft);transform:translateY(-1px)}.cells-key button.active{color:var(--ink);border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent)}.cells-key-n{background:var(--swatch);width:24px;height:24px;color:var(--swatch-ink,#2b2219);font:700 11px var(--font-serif), serif;font-variant-numeric:tabular-nums;border-radius:50%;flex:none;place-items:center;display:grid;box-shadow:inset 0 0 0 1px #4a35224d}.cells-key-name{min-width:0;line-height:1.3}.cells-drawing{border-inline-start:2px solid var(--ms-hairline,var(--line));max-width:86ch;color:var(--muted);margin:0;padding-inline-start:12px;font-size:12.5px;font-style:italic;line-height:1.6}.cells-drawing span{color:var(--vermilion);font:700 10.5px var(--font-sans), sans-serif;letter-spacing:.12em;text-transform:uppercase;font-style:normal}.cells-detail{flex-direction:column;grid-area:detail;gap:14px;min-width:0;display:flex;position:sticky;top:84px}.cells-card{border:1.5px solid var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow-soft);flex-direction:column;gap:12px;min-width:0;padding:20px;display:flex}.cells-card.ms-folio{padding:22px}.cells-card h3{color:var(--ink);font:600 20px/1.25 var(--font-serif), Georgia, serif;align-items:center;gap:10px;margin:0;display:flex}.cells-card h3:lang(ar),:lang(ar) .cells-card h3{font:700 18px/1.4 var(--font-sans), sans-serif}.cells-card-n{background:var(--swatch);width:28px;height:28px;color:var(--swatch-ink,#2b2219);font:700 13px var(--font-serif), serif;box-shadow:inset 0 0 0 1px #4a35224d, 0 0 0 3px color-mix(in srgb, var(--swatch) 25%, transparent);border-radius:50%;flex:none;place-items:center;display:grid}.cells-card--locked .step-tag{align-self:flex-start}.cells-card-seal{border:1px solid color-mix(in srgb, var(--gold) 55%, var(--line));background:color-mix(in srgb, var(--gold) 16%, var(--surface));width:30px;height:30px;color:var(--accent-ink);border-radius:50%;flex:none;place-items:center;display:grid}.cells-card-lead{color:var(--ink);margin:0;font-size:14px;line-height:1.6}.cells-card-back{border:1px solid var(--line);min-height:30px;color:var(--accent-ink);font:600 12px var(--font-sans), sans-serif;cursor:pointer;transition:border-color var(--dur-fast) ease, background var(--dur-fast) ease;background:0 0;border-radius:999px;align-self:flex-start;align-items:center;gap:6px;padding:0 11px 0 9px;display:inline-flex}.cells-card-back:hover{border-color:color-mix(in srgb, var(--accent) 45%, var(--line));background:var(--accent-soft)}[dir=rtl] .cells-card-back svg{transform:scaleX(-1)}.cells-facts{flex-direction:column;gap:10px;margin:0;display:flex}.cells-facts>div{border-top:1px solid var(--line);flex-direction:column;gap:3px;padding-top:10px;display:flex}.cells-facts dt,.cells-stats dt{color:var(--muted);font:700 10.5px/1.4 var(--font-sans), 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transparent)}.cb-thumb-line{stroke:color-mix(in srgb, var(--pick-accent) 80%, #4a3522);stroke-width:1.6px;stroke-linecap:round}.cb-thumb-core{fill:color-mix(in srgb, var(--pick-accent) 70%, #4a3522)}.cb-thumb-wall{fill:none;stroke:color-mix(in srgb, var(--pick-accent) 85%, #4a3522);stroke-width:3px}.cb-thumb-pale{fill:color-mix(in srgb, var(--pick-accent) 12%, #f7efdf)}.cb-layout{grid-template-columns:minmax(0,1.42fr) minmax(320px,1fr);align-items:start;gap:22px;display:grid}.cb-stage-col{flex-direction:column;gap:12px;display:flex;position:sticky;top:84px}.cb-stage{border:1px solid var(--cb-paper-edge);border-radius:var(--radius-lg);background:radial-gradient(58% 54% at 50% 56%, color-mix(in srgb, var(--cb-accent) 16%, transparent), transparent 72%), radial-gradient(120% 90% at 50% 45%, var(--cb-paper) 55%, var(--cb-paper-edge) 130%);box-shadow:var(--shadow-soft), inset 0 0 0 6px color-mix(in srgb, var(--cb-paper) 70%, transparent), inset 0 0 0 7px color-mix(in srgb, var(--cb-ink) 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18px;display:grid}.cb-ring{width:66px;height:66px;position:relative}.cb-ring-svg{width:100%;height:100%;display:block}[dir=rtl] .cb-ring-svg{transform:scaleX(-1)}.cb-ring-track{fill:none;stroke:color-mix(in srgb, var(--ink) 10%, transparent);stroke-width:4px}.cb-ring-arc{fill:none;stroke:color-mix(in srgb, var(--cb-accent,var(--accent)) 82%, var(--ink));stroke-width:4px;stroke-linecap:round;transition:stroke-dasharray var(--dur-slow) var(--ease-out), stroke var(--dur-base) ease, opacity var(--dur-base) ease}.cb-ring-arc.is-zero{opacity:0}.cb-score.is-done .cb-ring-arc,.cb-finish-ring .cb-ring-arc{stroke:var(--gold)}.cb-ring-num,.cb-finish-pct{direction:ltr}.cb-ring-num{color:var(--ink);justify-content:center;align-items:baseline;padding-top:19px;font-size:25px;font-weight:600;line-height:1;display:flex;position:absolute;inset:0}.cb-ring-num 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srgb, var(--vermilion) 50%, transparent);border-radius:50%;flex:none;transform:translateY(-1px)}.endo-map-here .endo-depth{color:var(--muted);opacity:1;font-weight:500}@keyframes mech-rise{0%{opacity:0;transform:translateY(8px)}}.mech-page{--mech-gold:var(--gold);--mech-night:#1b1611;--mech-night-edge:#0f0c09;--mech-chip:#1b1611c7;--mech-chip-line:#ead9b82e;--mech-chip-ink:#f4e8d0d1;max-width:1520px;padding-top:32px}.mech-page :is(button,a):focus-visible{outline:2px solid var(--accent);outline-offset:2px}.mech-page .mech-hero{border-bottom:1px solid var(--ms-hairline,var(--line));padding-bottom:24px}.mech-page .mech-hero h1{color:var(--ink);font:500 clamp(30px, 3.6vw, 44px)/1.08 var(--font-serif), Georgia, serif;letter-spacing:-.01em;text-wrap:balance;margin:12px 0 8px}.mech-page .mech-hero h1:lang(ar){font:700 clamp(26px, 3vw, 34px)/1.35 var(--font-sans), sans-serif;letter-spacing:0}.mech-page .mech-hero 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sans-serif;text-align:start;cursor:pointer;white-space:normal;transition:background var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;background:0 0;border:1px solid #0000;border-radius:10px;grid-template-columns:22px minmax(0,1fr) auto;align-items:center;gap:8px;padding:7px 8px;display:grid;position:relative}.mech-page .mech-index-item:hover{background:color-mix(in srgb, var(--ink) 5%, transparent);color:var(--ink)}.mech-page .mech-index-item.active{border-color:color-mix(in srgb, var(--mech-gold) 55%, var(--line));background:color-mix(in srgb, var(--mech-gold) 14%, var(--surface));color:var(--ink)}.mech-page .mech-index-item.active:before{content:"";background:var(--gilt);border-radius:3px;width:3px;position:absolute;inset-block:8px;inset-inline-start:-1px}.mech-page .mech-index-n{color:var(--muted);font:500 14px/1 var(--font-serif), Georgia, serif;font-variant-numeric:oldstyle-nums tabular-nums;text-align:center}.mech-page .mech-index-item.active 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.mech-index-name{color:var(--muted)}.mech-page .mech-head h2{color:var(--ink);font:600 clamp(24px, 2.2vw, 30px)/1.15 var(--font-serif), Georgia, serif;margin:0 0 6px}.mech-page .mech-head h2:lang(ar),:lang(ar) .mech-page .mech-head h2{font:700 24px/1.4 var(--font-sans), sans-serif}.mech-page .mech-head p{max-width:78ch;color:var(--soft);margin:0;font-size:14px;line-height:1.6}.mech-page .mech-viewer{border:1.5px solid var(--line);background:var(--surface);box-shadow:var(--shadow-soft);border-radius:20px;flex-direction:column;gap:10px;padding:10px;display:flex}.mech-page .mech-stage{border:1px solid color-mix(in srgb, var(--mech-gold) 22%, #000);background:radial-gradient(ellipse 72% 64% at 50% 42%, #2c241b 0%, var(--mech-night) 58%, var(--mech-night-edge) 100%);aspect-ratio:16/10;border-radius:13px;min-height:340px;max-height:calc(100dvh - 150px);box-shadow:inset 0 0 0 1px #ead9b80f}.mech-page .mech-mount canvas{cursor:grab}.mech-page .mech-mount 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