:root{color-scheme:dark;--bg: #05070b;--panel: #0c1017;--line: #1c2330;--text: #e7ebf0;--muted: #9aa5b4;--focus: #7fb2ff;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.45}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;background:var(--bg);color:var(--text)}body{min-height:100vh;display:flex;flex-direction:column}a{color:var(--text)}.lab{flex:1;width:100%;max-width:1440px;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:24px}.stage-wrap{position:relative;width:100%;height:min(72vh,820px);min-height:320px}.orb{position:absolute;inset:0}.fps{position:absolute;top:12px;right:12px;margin:0;padding:4px 10px;border-radius:6px;background:#05070bcc;color:var(--text);font:14px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;font-variant-numeric:tabular-nums}.caption{position:absolute;left:50%;bottom:16px;transform:translate(-50%);max-width:calc(100% - 32px);margin:0;padding:8px 14px;border-radius:8px;background:#05070bcc;font-size:18px;text-align:center}.panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;align-items:start}.title h1{margin:0;font-size:28px}.title p{margin:4px 0 0;color:var(--muted)}fieldset{margin:0;padding:8px 12px;border:1px solid var(--line);border-radius:8px;display:flex;gap:12px;flex-wrap:wrap}legend{color:var(--muted);padding:0 4px}.field{display:flex;align-items:center;gap:8px}select,button,input[type=color]{font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 12px}button:disabled{opacity:.55;cursor:not-allowed}.talk-btn{width:100%;min-height:56px;font-size:18px;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.talk-btn[aria-pressed=true]{border-color:var(--focus)}.promise,.hint{margin:8px 0 0;color:var(--muted);font-size:14px}.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}pre{margin:0;max-width:100%;overflow-x:auto;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);font-size:13px}.install{min-width:0}.install h2{margin:0 0 8px}footer{padding:24px 16px;text-align:center;color:var(--muted)}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}@media(max-width:600px){.stage-wrap{height:auto;aspect-ratio:1 / 1;min-height:0}.panel{grid-template-columns:minmax(0,1fr)}}