:root{--brand-purple: #3500A7;--brand-pink: #FE00B5;--ink: #0d0a1e;--ink-soft: rgba(13, 10, 30, .78);--paper: #f5f3ff;--hud-z: 10}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;width:100%;background:#000;color:var(--paper);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;overflow:hidden;-webkit-tap-highlight-color:transparent;user-select:none}#renderCanvas{position:fixed;inset:0;width:100%;height:100%;display:block;outline:none;touch-action:none}#hud{position:fixed;inset:0;pointer-events:none;z-index:var(--hud-z)}#topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:12px;padding:12px max(12px,env(safe-area-inset-right)) 12px max(12px,env(safe-area-inset-left));padding-top:max(12px,env(safe-area-inset-top));background:linear-gradient(180deg,#0000008c,#0000);pointer-events:auto;flex-wrap:wrap}#brand{font-weight:800;font-size:14px;letter-spacing:.08em;color:var(--paper);text-shadow:0 1px 0 rgba(0,0,0,.4)}#brand .dot{color:var(--brand-pink);padding:0 4px}#scene-pills{display:flex;gap:6px;flex-wrap:wrap}#scene-pills button{appearance:none;border:1px solid rgba(255,255,255,.25);background:#ffffff14;color:var(--paper);padding:6px 12px;font-size:12px;border-radius:999px;cursor:pointer;letter-spacing:.04em}#scene-pills button[aria-pressed=true]{background:var(--brand-pink);border-color:var(--brand-pink);color:#fff}#xr-button{margin-left:auto;appearance:none;border:1px solid var(--brand-pink);background:var(--brand-pink);color:#fff;font-weight:700;padding:7px 14px;border-radius:999px;cursor:pointer;font-size:12px;letter-spacing:.05em}#xr-button:disabled{opacity:.5;cursor:default}#options-panel{position:absolute;right:12px;top:64px;display:flex;flex-direction:column;gap:6px;padding:10px 12px;background:var(--ink-soft);border-radius:12px;border:1px solid rgba(255,255,255,.1);pointer-events:auto;max-width:220px;font-size:12px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}#options-panel:empty{display:none}#options-panel h3{margin:0 0 4px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#f5f3ff99;font-weight:600}#options-panel .opt{display:flex;flex-direction:column;gap:4px}#options-panel label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#f5f3ffb3}#options-panel select{appearance:none;-webkit-appearance:none;background:#ffffff14;color:var(--paper);border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:6px 10px;font-size:13px;font-family:inherit}#placeholder-note{position:absolute;left:12px;bottom:max(12px,env(safe-area-inset-bottom));background:var(--ink-soft);padding:8px 12px;border-radius:8px;font-size:12px;border-left:3px solid var(--brand-pink);pointer-events:auto;max-width:320px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}#placeholder-note strong{color:var(--brand-pink)}#hint{position:absolute;left:50%;transform:translate(-50%);bottom:max(80px,calc(env(safe-area-inset-bottom) + 80px));background:#0000008c;padding:6px 12px;border-radius:999px;font-size:12px;letter-spacing:.04em;pointer-events:none;opacity:0;transition:opacity .4s}#hint.show{opacity:1}#touch-controls{position:fixed;inset:0;pointer-events:none;z-index:5}#joystick{position:absolute;left:max(20px,env(safe-area-inset-left));bottom:max(28px,env(safe-area-inset-bottom));width:110px;height:110px;border-radius:50%;background:#ffffff14;border:1px solid rgba(255,255,255,.2);pointer-events:auto;touch-action:none}#joystick-knob{position:absolute;left:50%;top:50%;width:50px;height:50px;margin-left:-25px;margin-top:-25px;border-radius:50%;background:#fe00b5d9;pointer-events:none}#look-pad{position:absolute;right:0;top:0;width:60%;height:100%;pointer-events:auto;touch-action:none;display:flex;align-items:flex-end;justify-content:center;padding-bottom:32px;font-size:10px;color:#ffffff4d;letter-spacing:.1em;text-transform:uppercase}.boot-msg{position:fixed;inset:0;display:grid;place-items:center;text-align:center;font-size:14px;padding:24px}@media (max-width: 480px){#brand{font-size:12px}#scene-pills button{padding:5px 10px;font-size:11px}}