*{box-sizing:border-box;margin:0}html,body{color:#eee;-webkit-user-select:none;user-select:none;background:#000;height:100%;font-family:-apple-system,PingFang TC,Noto Sans TC,sans-serif;overflow:hidden}#view{touch-action:none;width:100%;height:100%;position:fixed;inset:0}#hud{padding:max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));pointer-events:none;background:linear-gradient(#0000008c,#00000040);flex-direction:column;gap:12px;display:flex;position:fixed;inset:0;overflow-y:auto}#hud>*{pointer-events:auto}#hud.playing-ui{background:0 0}#hud.playing-ui .panel,#hud.playing-ui h1{background:#0009}h1{letter-spacing:.08em;font-size:22px}.panel{background:#141418cc;border:1px solid #ffffff1f;border-radius:12px;flex-direction:column;gap:10px;padding:14px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.row label{color:#bbb;flex-direction:column;flex:1;gap:4px;min-width:120px;font-size:13px;display:flex}input[type=url]{color:#fff;background:#00000080;border:1px solid #fff3;border-radius:8px;flex:1;min-width:0;padding:10px 12px;font-size:14px}select,button,.file-btn{color:#fff;cursor:pointer;text-align:center;background:#ffffff1a;border:1px solid #fff3;border-radius:8px;padding:10px 14px;font-size:14px}select{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}button.primary{background:#4f7cff;border-color:#4f7cff;font-weight:600}.main-actions{margin-top:auto}.main-actions button{flex:1;padding:14px}input[type=range]{width:100%}#status{color:#9aa;text-align:center;min-height:1.2em;font-size:13px}[hidden]{display:none!important}#vr-hud{top:max(8px, env(safe-area-inset-top));opacity:.35;gap:10px;transition:opacity .2s;display:flex;position:fixed;left:50%;transform:translate(-50%)}#vr-hud:active,#vr-hud:hover{opacity:1}#vr-hud button{background:#0009;padding:6px 10px;font-size:12px}#gaze{z-index:5;pointer-events:none;position:fixed;inset:0;overflow:hidden}.gaze-eye{width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden}#gaze.stereo .gaze-eye{width:50%}#gaze.stereo .gaze-eye+.gaze-eye{left:50%}.gaze-reticle{width:60px;height:60px;margin:-30px 0 0 -30px;position:absolute;top:50%;left:50%}.gaze-ring-track{fill:none;stroke:#ffffff2e;stroke-width:3px}.gaze-ring{fill:none;stroke:#fff;stroke-width:3px;stroke-linecap:round}.gaze-dot{fill:#ff3b30;stroke:#00000080;stroke-width:1px}.gaze-hint{text-align:center;color:#ffffff73;text-shadow:0 1px 2px #000;font-size:12px;position:absolute;bottom:14%;left:0;right:0}.gaze-btn{color:#fff;background:#0f0f14b8;border:2px solid #ffffff4d;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;transition:background .15s,border-color .15s;display:flex;position:absolute;top:0;left:0}.gaze-btn.hover{background:#4f7cffd9;border-color:#fff}.gaze-btn.disabled{opacity:.3}.gaze-btn-icon{width:42%;height:42%}.gaze-btn-icon svg{width:100%;height:100%;display:block}.gaze-btn-caption{white-space:nowrap;text-shadow:0 1px 2px #000;margin-top:4px;font-size:11px;position:absolute;top:100%}#hud{z-index:10}#vr-hud{z-index:20}#calibration summary{color:#bbb;cursor:pointer;font-size:13px}#calibration[open] summary{margin-bottom:10px}#calibration .row+.row{margin-top:10px}.gaze-notice{color:#ffd166;text-align:center;background:#000000b3;border-radius:8px;padding:8px 10px;font-size:13px;line-height:1.4;position:absolute;top:22%;left:8%;right:8%}