.embed-page{padding-bottom:40px}.embed-page .site-header{min-height:76px}.embed-page .intro{padding-block:36px 24px}.embed-page h1{font-size:clamp(30px,4vw,44px);letter-spacing:-1px;line-height:1.25}.embed-page .intro>p{max-width:900px;color:var(--muted);line-height:1.7;overflow-wrap:anywhere}.embed-page .code-card{margin-block:16px;min-width:0}.embed-page .code-card pre{padding-block:12px}.embed-layout{display:grid;grid-template-columns:minmax(240px,.7fr) minmax(0,1.6fr);gap:24px;align-items:start;margin-top:28px}.embed-stage{min-width:0;position:sticky;top:20px;text-align:center}.embed-stage mesh-avatar{width:min(100%,340px);margin:auto}.embed-stage #status{margin-bottom:0;font-size:14px;color:var(--muted)}.embed-stage #status[data-state=error],#notice{color:#a52b2b}.embed-stage #source-name{margin:12px 0 0;font-size:13px;overflow-wrap:anywhere}.embed-panels{display:grid;gap:16px;min-width:0}.control-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;min-width:0;padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.control-panel>*,.embed-demo-controls{min-width:0}.control-panel h2{margin:0 0 16px;font-size:18px;font-weight:650;letter-spacing:0}.control-panel .code-card{margin:0;align-self:start}.control-panel .code-heading{padding:10px 12px;gap:8px}.control-panel h3{margin:0;font-size:12px;font-weight:500}.control-panel pre{white-space:pre-wrap;overflow-wrap:anywhere;padding-inline:12px}.control-panel label{display:block;margin-block:12px 8px;font-size:14px}.control-panel input[type=text],.control-panel select{width:100%;min-height:40px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff;color:var(--ink)}.control-panel button:not(.copy-button),.control-panel .file-button{min-height:40px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);cursor:pointer;font:inherit;font-size:14px}.control-panel button:hover:not(:disabled),.control-panel button[aria-pressed=true],.file-button:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.control-panel button:disabled{opacity:.5;cursor:default}.control-panel form button{margin-top:12px}.control-panel .expression-chips{margin:0}.control-panel .expression-chips button{flex:0 0 auto;white-space:nowrap}.control-panel .hint{color:var(--muted);font-size:13px;line-height:1.7;overflow-wrap:anywhere}#avatar-controls{display:grid;gap:16px}#notice{margin:0;font-size:14px;line-height:1.6}.file-actions{display:flex;flex-wrap:wrap;gap:8px;position:relative}.control-panel .file-button{display:inline-flex;align-items:center;margin:0}.file-input{position:absolute;width:1px;height:1px;padding:0;border:0;clip-path:inset(50%);overflow:hidden;white-space:nowrap}.file-input:focus-visible+.file-button,.embed-page input[type=text]:focus-visible,.embed-page select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media(max-width:1000px){.embed-layout{grid-template-columns:minmax(240px,.7fr) minmax(0,1fr)}.control-panel{grid-template-columns:1fr}}@media(max-width:760px){.embed-page .shell{width:calc(100% - 32px)}.embed-page .site-header{flex-wrap:wrap;padding-block:16px}.embed-page .primary-nav{gap:16px}.embed-layout{grid-template-columns:1fr}.embed-stage{position:static}.embed-stage mesh-avatar{width:min(100%,300px)}}