:root{--bg: #0b0f1a;--panel: #131a2b;--accent: #7c5cff;--accent-2: #22d3ee;--text: #e6e9f2;--muted: #8892a6;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 10%,#1a2140 0%,var(--bg) 60%);color:var(--text);min-height:100vh}.app{max-width:1100px;margin:0 auto;padding:24px}.header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px}.header h1{margin:0;font-size:28px;color:#3b82f6}.header .tag{color:var(--muted);font-size:14px}.grid{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}@media (max-width: 900px){.grid{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid #212a43;border-radius:14px;padding:16px}.video-wrap{position:relative;aspect-ratio:4 / 3;background:#000;border-radius:10px;overflow:hidden}.video-wrap video,.video-wrap canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.letter-big{font-size:72px;font-weight:700;text-align:center;letter-spacing:2px;margin:8px 0}.confidence{text-align:center;color:var(--muted);font-size:13px}.buffer{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;background:#0a0f1e;padding:12px;border-radius:8px;min-height:48px;word-break:break-all}.sentence{font-size:20px;line-height:1.45;min-height:60px}.row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 14px;font-size:14px;font-weight:600;cursor:pointer}button.secondary{background:transparent;border:1px solid #2a3457;color:var(--text)}button:disabled{opacity:.5;cursor:not-allowed}.status{font-size:12px;color:var(--muted);margin-top:8px}h2{font-size:14px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:0 0 8px}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-10px)}}button{transition:all .2s}button:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.1)}button:active:not(:disabled){transform:translateY(0)}