:root{--bg: #0e1116;--panel: #151a21;--panel-2: #1c232c;--glass: rgba(14, 17, 22, .72);--line: rgba(255, 255, 255, .09);--text: #eef1f4;--muted: #9aa6b2;--accent: #ffcc33;--accent-ink: #1a1405;--red: #9e1b22;--radius: 12px;--font-ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-head: "Arvo", "Rockwell", Georgia, serif}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:var(--font-ui);-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit}.app{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100dvh}.topbar{display:flex;align-items:center;gap:18px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);min-width:0}.brand{display:flex;align-items:center;gap:8px;font-family:var(--font-head);font-size:20px;white-space:nowrap}.brand em{font-style:normal;color:var(--accent)}.brand-mark{width:28px;height:28px;color:var(--accent)}.moves{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;min-width:0;padding:2px}.moves::-webkit-scrollbar{display:none}.move-chip{flex:none;display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--panel-2);font-weight:600;font-size:14px;cursor:pointer;transition:background .15s,border-color .15s}.move-chip:hover:not(:disabled){border-color:#ffcc3380}.move-chip[aria-current=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.move-chip:disabled{cursor:not-allowed;color:var(--muted);opacity:.75}.soon{font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 6px;border-radius:6px;background:#ffffff14}.stage{position:relative;min-height:0}.viewport{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;background:#0b0f14}.viewport canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.viewport canvas:active{cursor:grabbing}.hud{position:absolute;top:66px;left:16px;z-index:3;max-width:calc(100% - 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24px)}.play-btn{display:grid;place-items:center;width:52px;height:52px;border:0;border-radius:50%;background:var(--accent);color:var(--accent-ink);cursor:pointer;flex:none;transition:transform .1s}.play-btn:active{transform:scale(.94)}.play-btn:disabled{opacity:.35;cursor:default}.play-btn svg{width:24px;height:24px}.speed{display:flex;align-items:center;gap:2px;padding:0 4px;border-left:1px solid var(--line);border-right:1px solid var(--line)}.speed-val{min-width:54px;text-align:center;font-weight:700;font-size:17px;font-variant-numeric:tabular-nums}.toggles{display:flex;gap:6px}.toggle{display:flex;align-items:center;gap:7px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:transparent;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap}.toggle svg{width:18px;height:18px;flex:none}.toggle:hover{background:#ffffff0f}.toggle[aria-pressed=true]{background:#ffcc3324;border-color:#ffcc338c;color:var(--accent)}.hint{position:absolute;z-index:3;left:50%;bottom:96px;transform:translate(-50%);padding:7px 14px;border-radius:999px;background:#0000008c;color:#dfe5ea;font-size:12.5px;white-space:nowrap;pointer-events:none;transition:opacity .6s}.hint.gone{opacity:0}.info{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr) 210px;gap:18px;padding:14px 18px 16px;background:var(--panel);border-top:1px solid var(--line);max-height:34vh;overflow:auto}.desc-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}.desc h1{margin:0;font-family:var(--font-head);font-size:19px}.variations h2{margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}.var-list{display:grid;gap:8px}.var-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel-2);text-align:left;cursor:pointer}.var-card:hover{border-color:#ffcc3373}.var-card[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.var-name{font-weight:700;font-size:14.5px}.var-tags{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:11px;font-weight:600;padding:2px 7px;border-radius:6px;background:#ffffff12;color:var(--muted)}.tag.ok{background:#2fa66a2e;color:#7fe0ae}.desc p{margin:0 0 6px;color:#cdd5dc;font-size:14.5px;line-height:1.45}.desc ul{margin:0;padding-left:18px;color:var(--muted);font-size:13.5px;line-height:1.5}.desc li{break-inside:avoid}.score{align-self:start;padding:12px 14px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--line)}.score-label{font-size:12px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}.score-row{display:flex;align-items:baseline;gap:8px;margin-top:4px}.score-value{color:var(--accent);font:700 34px var(--font-head);font-variant-numeric:tabular-nums}.score-row span:last-child{color:var(--muted);font-size:14px}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media(max-width:760px){.app{height:auto;min-height:100dvh;grid-template-rows:auto auto auto}.topbar{flex-direction:column;align-items:stretch;gap:8px;padding:10px 12px 8px}.brand{font-size:18px}.stage{min-height:460px}.stage-tabs{top:8px;left:8px}.stage-tabs button{padding:7px 12px;font-size:13px}.stage{height:74dvh}.hud{top:54px;left:12px;max-width:calc(100% - 24px)}.hud-title{font-size:17px}.hand-toggle{top:8px;left:auto;right:8px}.hand-toggle button{padding:7px 9px;font-size:12.5px}.hand-toggle .wide{display:none}.hand-toggle button{text-transform:capitalize}.views{top:auto;bottom:86px;left:8px;right:96px;grid-template-columns:repeat(6,1fr);gap:0;padding:4px 2px}.view-btn{flex-direction:column;gap:3px;padding:6px 0;font-size:9.5px;text-align:center;letter-spacing:-.01em}.zoom{bottom:86px;right:8px;flex-direction:row;padding:7px 6px}.icon-btn{width:36px;height:36px}.controls{bottom:10px;gap:6px;padding:6px;border-radius:14px;width:calc(100% - 16px);justify-content:space-between}.play-btn{width:46px;height:46px}.speed-val{min-width:44px;font-size:15px}.toggle{padding:0 9px}.toggle span{display:none}.hint{bottom:150px;font-size:11.5px}.info{grid-template-columns:1fr;max-height:none;padding:14px 14px 22px}}@media(min-width:761px)and (max-width:1100px){.info{grid-template-columns:minmax(0,1fr) 240px}.variations{grid-column:2;grid-row:1}.score{grid-column:2;grid-row:2}.desc{grid-row:1 / span 2}}