:root{--panel: rgba(255, 255, 255, .88);--panel-border: rgba(20, 23, 28, .12);--text: #14171c;--muted: #6b7280;--accent: #2f6fd0;--accent-soft: rgba(47, 111, 208, .12);--shadow: 0 6px 24px rgba(16, 20, 28, .16);--radius: 10px}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;font:14px/1.45 Segoe UI,system-ui,-apple-system,sans-serif;color:var(--text);background:#e9ebf0}canvas#c{display:block;width:100vw;height:100vh;touch-action:none}#topbar{position:fixed;top:12px;left:12px;z-index:5;background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:8px 14px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);max-width:min(52vw,520px)}#topbar .title{display:flex;flex-direction:column;gap:2px}#model-title{font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#topbar .sub{color:var(--muted);font-size:12px}#tools{position:fixed;top:12px;right:12px;z-index:5;width:232px;background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:10px 12px 12px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);max-height:calc(100vh - 24px);overflow:auto}#tools section+section{margin-top:12px;border-top:1px solid var(--panel-border);padding-top:10px}#tools h4{margin:0 0 8px;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-weight:600}.row{display:flex;gap:6px;margin-bottom:6px}.row:last-child{margin-bottom:0}button{flex:1;padding:7px 8px;font:inherit;font-size:12.5px;cursor:pointer;background:#fff;color:var(--text);border:1px solid var(--panel-border);border-radius:7px;transition:background .12s,border-color .12s}button:hover{background:#f2f5fa}button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.check{display:flex;align-items:center;gap:7px;font-size:12.5px;margin-top:7px;cursor:pointer}.slider{display:block;font-size:12.5px;color:var(--muted);margin-top:8px}.slider input{width:100%;margin-top:4px}.swatches button.sw{height:26px;border-radius:6px}.sw-light{background:#e9ebf0}.sw-grey{background:#ccc}.sw-blue{background:#d6e2f0}.sw-dark{background:#2b2f36}#card{position:fixed;left:12px;bottom:44px;z-index:6;width:min(340px,84vw);background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px 14px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}#card.hidden{display:none}#card h3{margin:0 26px 8px 0;font-size:14px}#card-close{position:absolute;top:8px;right:8px;width:24px;height:24px;flex:none;padding:0;line-height:1;font-size:16px;color:var(--muted)}#card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:3px 12px;font-size:12.5px}#card dt{color:var(--muted)}#card dd{margin:0;overflow-wrap:anywhere}#statusbar{position:fixed;left:12px;bottom:12px;z-index:5;color:var(--muted);font-size:12px;background:var(--panel);border:1px solid var(--panel-border);border-radius:7px;padding:4px 10px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;gap:14px;flex-direction:column;align-items:center;justify-content:center;background:#e9ebf0eb;color:var(--muted)}.overlay.hidden{display:none}.spinner{width:34px;height:34px;border-radius:50%;border:3px solid rgba(47,111,208,.25);border-top-color:var(--accent);animation:spin .9s linear infinite}.overlay.error .spinner{display:none}@keyframes spin{to{transform:rotate(360deg)}}#mtools{display:none}@media (max-width: 768px),(max-height: 500px){#tools{display:none}#mtools{display:flex;gap:6px;position:fixed;z-index:6;left:8px;right:8px;bottom:8px;background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:6px}#statusbar{display:none}#card{bottom:64px}#topbar{max-width:calc(100vw - 24px)}}