:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f6f7fb;color:#121316;display:grid;place-items:center;padding:24px}.app{width:min(680px,100%)}h1{margin:0 0 8px;font-size:1.75rem}.subtitle{margin:0 0 16px;color:#4d5260}.card{background:#fff;border:1px solid #e6e8ef;border-radius:12px;padding:16px;display:grid;gap:12px}#videoInput{display:none}.btn{border:none;border-radius:10px;padding:10px 14px;font-size:.95rem;font-weight:600;background:#2f6df6;color:#fff;cursor:pointer;width:fit-content}button:disabled{opacity:.55;cursor:not-allowed}.info{font-size:.95rem;color:#2e3440}.actions{display:flex;gap:10px;flex-wrap:wrap}