:root{--bg:#f6f5fb;--fg:#1a1a2e;--muted:#666677;--brand:#635EAA;--card:#fff;--line:#e2e2ee}@media (prefers-color-scheme:dark){:root{--bg:#14141f;--fg:#ececf5;--muted:#9a9ab0;--card:#1e1e2e;--line:#33334a}}*{box-sizing:border-box}html,body{margin:0;height:100%}body{font-family:system-ui,sans-serif;background:var(--bg);color:var(--fg)}#app{height:100dvh;display:flex;flex-direction:column}header{padding:16px;border-bottom:1px solid var(--line);background:var(--card)}header h1{margin:0;font-size:18px}header p{margin:4px 0 0;color:var(--muted);font-size:14px}.stage{position:relative;flex:1;min-height:0;overflow:hidden;touch-action:none}.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.bar{display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px;background:var(--card);border-top:1px solid var(--line)}button{font:inherit;border:0;border-radius:10px;padding:12px 16px;background:var(--brand);color:#fff;cursor:pointer}button.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}button:disabled{opacity:.5}.rooms{display:flex;gap:8px;overflow-x:auto;padding:12px 16px}.rooms button{white-space:nowrap}.msg{margin:auto;padding:32px 16px;text-align:center;max-width:420px}.msg h2{margin:0 0 8px}.msg p{color:var(--muted)}dialog{border:1px solid var(--line);border-radius:14px;background:var(--card);color:var(--fg);max-width:420px;width:calc(100% - 32px)}dialog input,dialog textarea{width:100%;font:inherit;padding:10px;margin:6px 0 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}#ar-overlay{position:fixed;inset:0;pointer-events:none}#ar-overlay button{pointer-events:auto;position:absolute;bottom:24px}#ar-overlay .hint{position:absolute;top:24px;left:16px;right:16px;text-align:center;color:#fff;text-shadow:0 1px 3px #000}