:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{margin:0;background:#f5f6f8;color:#1a1a1a}.app{max-width:640px;margin:0 auto;padding:32px 16px 64px}header h1{margin-bottom:4px}.tagline{color:#555;margin-top:0}.card{background:#fff;border-radius:10px;box-shadow:0 1px 3px #0000001a;padding:20px 24px;margin-bottom:20px}.card.status{padding:12px 24px}.field{display:block;margin-bottom:14px}.field span{display:block;font-size:13px;font-weight:600;margin-bottom:4px;color:#333}input{width:100%;padding:8px 10px;border:1px solid #ccc;border-radius:6px;font-size:14px;box-sizing:border-box}button{background:#2563eb;color:#fff;border:none;padding:10px 18px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer}button:disabled{opacity:.6;cursor:default}.rec{font-size:16px}h3{margin-bottom:4px}.muted{color:#888;font-style:italic}.error{color:#b91c1c;font-weight:600}