:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#111;--fg:#eee;--accent:#ff4d6d;--canvas-w:720;--canvas-h:1280}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);overscroll-behavior:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;height:100%;margin:0;padding:0;font:16px/1.4 -apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang TC,Microsoft JhengHei,sans-serif;overflow:hidden}#app{flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}#stage{aspect-ratio:720/1280;justify-content:center;align-items:center;max-width:100vw;height:100%;max-height:100vh;display:flex;position:relative}#composite{object-fit:contain;background:#000;width:100%;height:100%;display:block}.hidden-source{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}#tap-overlay{z-index:10;cursor:pointer;background:#000000d9;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}#tap-overlay button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:999px;padding:1rem 2rem;font-size:1.5rem}#error-overlay{z-index:11;text-align:center;background:#000000e6;flex-direction:column;justify-content:center;align-items:center;gap:1.2rem;padding:2rem;display:flex;position:absolute;inset:0}#error-overlay #error-text{word-break:break-word;max-width:90%;font-size:1rem;line-height:1.5}#error-overlay button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:999px;padding:.7rem 1.6rem;font-size:1.1rem}#countdown-overlay{color:#fff;text-shadow:0 0 30px #000c;pointer-events:none;z-index:5;justify-content:center;align-items:center;font-size:12rem;font-weight:900;display:flex;position:absolute;inset:0}#record-btn{z-index:6;background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:999px;min-width:11rem;padding:.9rem 1.8rem;font-size:1.1rem;position:absolute;bottom:6%;left:50%;transform:translate(-50%)}#record-btn[disabled]{opacity:.5;cursor:default}#debug-panel{z-index:20;color:#fff;background:#00000080;border-radius:.5rem;flex-direction:column;gap:.2rem;padding:.5rem;font-size:.7rem;display:flex;position:absolute;top:1%;left:1%}#debug-panel #dbg-state{color:#ffd166;word-break:break-all;font-size:.75rem;font-weight:700}#debug-panel label{align-items:center;gap:.3rem;display:flex}#debug-panel input[type=range]{width:8rem}#app:not(.state-gestureWait) #tap-overlay,#app:not(.state-error) #error-overlay,#app:not(.state-counting) #countdown-overlay,#app.state-gestureWait #record-btn,#app.state-initializing #record-btn,#app.state-error #record-btn{display:none}