:root{--bg:#0b0b0f;--surface:#16161d;--surface-2:#1e1e27;--text:#f2f2f5;--muted:#8a8a99;--accent:#ff5a36;--accent-press:#e64a2a;--error:#ff6b6b;--radius:16px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}main{max-width:480px;margin:0 auto;min-height:100dvh;padding:max(env(safe-area-inset-top),20px) 20px max(env(safe-area-inset-bottom),20px)}.center{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}.center,.center-text{text-align:center}.logo{font-size:64px}.title{margin:0;font-size:32px;letter-spacing:-.5px}.muted{color:var(--muted)}.error{color:var(--error);margin:0}.app{display:flex;flex-direction:column;gap:20px}.topbar{display:flex;align-items:center;justify-content:space-between}.brand{font-weight:700;font-size:18px}.composer{display:flex;flex-direction:column;gap:16px}.picker{display:flex;align-items:center;justify-content:center;min-height:160px;padding:20px;border:2px dashed #33333f;border-radius:var(--radius);background:var(--surface);text-align:center;cursor:pointer;transition:border-color .15s}.picker:active{border-color:var(--accent)}.filename{font-weight:600;word-break:break-all}.caption{position:relative}.caption textarea{width:100%;resize:none;padding:14px;border:none;border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:16px;font-family:inherit}.caption textarea:focus{outline:2px solid var(--accent)}.counter{color:var(--muted);font-size:13px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.caption .counter{position:absolute;right:12px;bottom:10px}.toggle{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;cursor:pointer}.toggle input{width:18px;height:18px;accent-color:var(--accent)}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:var(--radius);padding:16px;font-size:17px;font-weight:600;color:var(--text);background:var(--surface-2);cursor:pointer}.btn:active{transform:scale(.99)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:active{background:var(--accent-press)}.link{background:none;border:none;color:var(--muted);font-size:15px;cursor:pointer}.bar{width:100%;height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden}.bar-fill{height:100%;background:var(--accent);transition:width .2s ease}.status{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.card{display:flex;align-items:center;gap:12px;padding:16px;border-radius:var(--radius);background:var(--surface)}.card-icon{font-size:20px}.card-name{flex:1 1;font-weight:600}.card-state a{color:var(--accent);font-weight:600;text-decoration:none}.card-state em{font-style:normal;font-size:14px}.retry{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:var(--surface-2);color:var(--accent);font-weight:600;font-size:14px;padding:6px 12px;border-radius:999px;cursor:pointer}.retry:active{background:var(--accent);color:#fff}.frame{display:flex;flex-direction:column;gap:8px}.frame-video{width:100%;max-height:320px;border-radius:var(--radius);background:#000;object-fit:contain}.frame-label{font-size:13px}.frame-slider{width:100%;accent-color:var(--accent)}