:root{--bg:#0d0f10;--panel:#14181a;--line:rgba(255,255,255,.18);--text:#f2ece0;--muted:#b9b09c;--acc:#e2b25a;--acc2:#c28a32;--ok:#4cd08a;--bad:#ff7b6b;color-scheme:dark}
*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:14px/1.45 Inter,system-ui,Segoe UI,Arial,sans-serif}
.app{display:grid;grid-template-columns:minmax(0,1fr) 340px;height:100vh;height:100dvh;overflow:hidden}
.stage{position:relative;min-width:0;min-height:0;background:#000}
.view{position:absolute;inset:0}
.view canvas.gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
.titleblock{position:absolute;left:22px;top:16px;pointer-events:none;max-width:min(62%,640px);text-shadow:0 2px 14px rgba(0,0,0,.75)}
.titleblock .brand{font:600 11px/1 'JetBrains Mono',ui-monospace,monospace;letter-spacing:.22em;color:#eadcb8;margin-bottom:10px}
.titleblock h1{margin:0;font:600 clamp(20px,3.4vw,44px)/1.02 Georgia,'Times New Roman',serif;text-transform:uppercase;letter-spacing:.01em;color:#fff}
.titleblock p{margin:8px 0 0;font:italic 400 clamp(13px,1.6vw,20px)/1.2 Georgia,serif;color:#efe6d2}
.titleblock i{display:block;width:70px;height:2px;background:var(--acc);margin-top:10px}
.badge3d{position:absolute;right:16px;top:14px;border:1px solid rgba(255,255,255,.4);border-radius:12px;padding:7px 13px;font:600 11px/1 'JetBrains Mono',ui-monospace,monospace;letter-spacing:.16em;background:rgba(14,18,20,.6);backdrop-filter:blur(4px);pointer-events:none}
.chips{position:absolute;right:14px;top:56px;display:flex;flex-direction:column;align-items:flex-end;gap:5px;pointer-events:none}
.chip{background:rgba(12,15,16,.72);border:1px solid var(--line);border-radius:9px;padding:4px 9px;font:600 12px/1.3 'JetBrains Mono',ui-monospace,Consolas,monospace;backdrop-filter:blur(4px)}
.chip b{color:var(--acc);font-weight:700}.chip.warn b{color:var(--bad)}
.tip{position:absolute;left:50%;transform:translateX(-50%);bottom:142px;background:rgba(12,15,16,.82);border:1px solid var(--acc2);border-radius:10px;padding:5px 12px;font-size:12px;pointer-events:none;white-space:nowrap;max-width:92%;overflow:hidden;text-overflow:ellipsis}
.hudbar{position:absolute;left:14px;right:14px;bottom:12px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding:10px 16px;background:rgba(12,15,16,.86);border:1px solid var(--line);border-radius:24px;backdrop-filter:blur(8px)}
.hg{display:flex;align-items:center;gap:10px;min-width:0}.hg+.hg{border-left:1px solid var(--line);padding-left:18px}
.hg label,.hg .lbl{font:600 10px/1 'JetBrains Mono',ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:5px}
.hg input[type=range]{accent-color:var(--acc);width:130px;min-height:24px}
.hg output,.val{font:600 14px 'JetBrains Mono',ui-monospace,monospace;color:#fff;min-width:46px;text-align:center}
.step{width:30px;height:30px;min-height:30px;padding:0;border-radius:50%;font-size:16px;line-height:1}
button,select{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:7px 12px;font:600 13px inherit;cursor:pointer;min-height:38px}
button:hover,select:hover{border-color:var(--acc)}button.on{background:var(--acc);color:#1a1205;border-color:var(--acc)}
button.cta{background:linear-gradient(180deg,#e8c070,#c28a32);color:#2a1a06;border:0;border-radius:14px;padding:0 22px;min-height:46px;min-width:200px;font:600 16px Georgia,serif;box-shadow:0 2px 12px rgba(226,178,90,.25)}
button:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.sw{width:30px;height:30px;min-height:30px;padding:0;border-radius:50%;border:2px solid rgba(255,255,255,.4)}.sw.on{border-color:#fff;box-shadow:0 0 0 3px var(--acc)}
.note{color:var(--muted);font-size:12px}
.panel{overflow:auto;background:var(--panel);border-left:1px solid var(--line);padding:12px 14px 40px}
.panel h2{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:14px 0 6px}
.panel h2:first-child{margin-top:2px}
.row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 8px;margin:6px 0}
.row output{font:600 12px 'JetBrains Mono',ui-monospace,Consolas,monospace;color:var(--acc)}
.row input[type=range]{grid-column:1/3;width:100%;accent-color:var(--acc);min-height:24px}
.btns{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.btns button{min-height:34px;padding:5px 10px;font-size:12px}
.kv{display:grid;grid-template-columns:1fr auto;gap:2px 8px;font-size:12px}.kv span:nth-child(odd){color:var(--muted)}.kv span:nth-child(even){font-family:'JetBrains Mono',ui-monospace,Consolas,monospace;text-align:right}
canvas.chart{width:100%;height:130px;display:block;background:#0d1214;border:1px solid var(--line);border-radius:8px}
details{border:1px solid var(--line);border-radius:8px;padding:6px 10px;margin:10px 0;background:#101517}summary{cursor:pointer;font-weight:700}
details p,details li{color:#d9d0bd;font-size:13px}details code,.eq{background:#1d2428;padding:1px 5px;border-radius:4px;font-family:'JetBrains Mono',ui-monospace,monospace;font-size:12px}
pre.eq{display:block;white-space:pre-wrap;padding:6px 8px}
.pass{color:var(--ok)}.fail{color:var(--bad)}
table.t{width:100%;border-collapse:collapse;font-size:11.5px}table.t td,table.t th{border-bottom:1px solid var(--line);padding:3px 4px;text-align:right}table.t th:first-child,table.t td:first-child{text-align:left}
.disc{font-size:11.5px;color:var(--muted);margin-top:10px}
@media (max-width:820px){
 .app{grid-template-columns:1fr;height:auto;min-height:100vh;overflow:visible}
 .stage{display:flex;flex-direction:column}
 .view{position:relative;inset:auto;height:58vh;min-height:300px}
 .hudbar{position:static;border-radius:16px;margin:8px;gap:8px 12px;padding:10px}
 .hg+.hg{border-left:0;padding-left:0}
 .tip{bottom:8px;font-size:11px}
 .chips{display:none}
 .titleblock{left:12px;top:10px;max-width:60%}.titleblock h1{font-size:17px}.titleblock p{font-size:12px}.badge3d{top:8px;right:8px;padding:5px 8px;font-size:9px}
 button.cta{width:100%}
 .panel{border-left:0;border-top:1px solid var(--line)}html,body{height:auto}}
body.embed-mode,body.embed-mode html{height:100%}
@media (max-width:820px){body.embed-mode .view{height:56dvh}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}}