:root{--ink: #22304a;--ink-soft: #5b6984;--panel: rgba(255, 255, 255, .82);--panel-border: rgba(34, 48, 74, .12);--accent: #2f9fa6;--shadow: 0 6px 24px rgba(34, 48, 74, .14);--halo: rgba(255, 255, 255, .95)}:root.night{--ink: #e9eef8;--ink-soft: #a7b3cc;--panel: rgba(18, 26, 46, .78);--panel-border: rgba(233, 238, 248, .14);--shadow: 0 6px 24px rgba(0, 0, 0, .4);--halo: rgba(10, 16, 32, .9)}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:#dfe7f1;color:var(--ink);font-family:Inter,system-ui,sans-serif}#app{position:fixed;top:0;right:0;bottom:0;left:0}.stage{position:absolute;top:0;right:0;bottom:0;left:0;transition:background .2s}.stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.stage canvas:active{cursor:grabbing}.title{position:absolute;top:16px;left:16px;padding:14px 18px 12px;background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow);pointer-events:none;max-width:calc(100vw - 32px)}.title h1{margin:0;font:400 28px/1 Fraunces,Georgia,serif;letter-spacing:-.01em}.title h1 b{font-weight:700}.title p{margin:6px 0 0;font-size:12px;color:var(--ink-soft);letter-spacing:.02em}.controls{position:absolute;right:16px;bottom:44px;display:flex;flex-direction:column;gap:4px;padding:6px;background:var(--panel);border:1px solid var(--panel-border);border-radius:14px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow)}.controls button{width:40px;height:40px;display:grid;place-items:center;border:0;border-radius:10px;background:transparent;color:var(--ink);cursor:pointer}.controls button:hover{background:#7f8ca529}.controls button.on{color:var(--accent)}.controls svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.controls .sep{height:1px;margin:2px 6px;background:var(--panel-border)}.credits{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;gap:12px;padding:6px 16px;font-size:11px;color:var(--ink-soft);pointer-events:none}.credits a{color:inherit;pointer-events:auto;text-decoration:none}.credits a b{font-weight:600;color:var(--ink)}.credits a:hover b{text-decoration:underline}.info{position:absolute;top:0;right:0;bottom:0;left:0;z-index:10;display:grid;place-items:center;padding:16px}.info[hidden]{display:none}.info-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#10182861;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}.info-card{position:relative;width:min(600px,100%);max-height:calc(100dvh - 32px);overflow:auto;padding:28px 30px 24px;background:#fbfcfe;color:#22304a;border-radius:18px;box-shadow:0 20px 60px #0a102059;font-size:14px;line-height:1.6;animation:info-in .22s ease-out}@keyframes info-in{0%{opacity:0;transform:translateY(8px)}}.info-card h2{margin:0 0 10px;font:400 30px/1.1 Fraunces,Georgia,serif}.info-card h2 b{font-weight:700}.info-card h3{margin:22px 0 8px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#5b6984}.info-card p{margin:0}.info-card a{color:#1f6f8b}.info-card ul{margin:0;padding:0;list-style:none}.info-top{position:absolute;top:12px;right:12px;display:flex;align-items:center;gap:6px}.lang{display:flex;padding:2px;border-radius:9px;background:#22304a12}.lang button{border:0;padding:4px 9px;border-radius:7px;background:transparent;color:#5b6984;cursor:pointer;font:600 11px/1.4 Inter,system-ui,sans-serif;letter-spacing:.04em}.lang button[aria-pressed=true]{background:#fff;color:#22304a;box-shadow:0 1px 3px #22304a26}.info-close{width:36px;height:36px;display:grid;place-items:center;border:0;border-radius:10px;background:transparent;color:#22304a;cursor:pointer}.info-close:hover{background:#22304a14}.info-close svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}.keys li{display:grid;grid-template-columns:170px 1fr;gap:12px;padding:5px 0;border-bottom:1px solid rgba(34,48,74,.07)}.keys li>span{color:#5b6984}kbd{display:inline-block;min-width:22px;padding:0 6px;border:1px solid rgba(34,48,74,.2);border-bottom-width:2px;border-radius:5px;font:500 12px/20px Inter,system-ui,sans-serif;text-align:center;color:#22304a;background:#fff}.sources li{padding:4px 0 4px 14px;position:relative}.sources li:before{content:"";position:absolute;left:0;top:13px;width:5px;height:5px;border-radius:50%;background:#2f9fa6}.info-card .note{margin-top:10px;font-size:12.5px;color:#5b6984}.info-card code{font-size:12px;padding:1px 5px;border-radius:4px;background:#22304a12}.sign{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px;padding-top:18px;border-top:1px solid rgba(34,48,74,.1)}.sign img{display:block;height:auto}.sign .sig{width:120px;opacity:.9}.sign .logo{width:150px}.fps{font-variant-numeric:tabular-nums}.labels{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.label{position:absolute;left:0;top:0;will-change:transform}.label span{position:absolute;bottom:6px;left:0;transform:translate(-50%);white-space:nowrap;padding:3px 8px;font-size:11px;font-weight:500;color:var(--ink);background:var(--panel);border:1px solid var(--panel-border);border-radius:999px;box-shadow:var(--shadow)}.label:after{content:"";position:absolute;left:-3px;top:-3px;width:6px;height:6px;border-radius:50%;background:var(--ink)}.label.tier1 span{font-size:13px;font-weight:600;padding:4px 10px;font-family:Fraunces,Georgia,serif}.label.tier0 span{font:600 15px Fraunces,Georgia,serif;padding:0;background:none;border:0;box-shadow:none;letter-spacing:.04em;color:var(--ink);text-shadow:0 0 6px var(--halo),0 0 2px var(--halo)}.label.tier0:after{display:none}.toast{position:absolute;left:50%;bottom:48px;transform:translate(-50%,12px);opacity:0;transition:.25s;padding:8px 14px;border-radius:999px;background:var(--ink);color:#fff;font-size:13px;pointer-events:none;max-width:calc(100vw - 32px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}:root.night .toast{color:#121a2e}.toast.show{opacity:1;transform:translate(-50%)}@media (max-width: 600px){.title{padding:10px 14px}.title h1{font-size:22px}.controls{bottom:52px;right:12px}.controls button{width:36px;height:36px}.credits{flex-direction:column;gap:0;padding:6px 12px}.info-card{padding:60px 18px 18px}.keys li{grid-template-columns:1fr;gap:0}}