:root{--bg: #f4f6f8;--card: #ffffff;--primary: #0f172a;--muted: #6b7280;--border: #e5e7eb;--accent: #2563eb}body{margin:0;font-family:Inter,system-ui,-apple-system;background:var(--bg);color:var(--primary)}.center{min-height:100vh;display:flex;align-items:center;justify-content:center}.card{background:var(--card);width:100%;max-width:560px;padding:32px;border-radius:12px;box-shadow:0 10px 30px #00000014}h2{margin:0 0 8px;font-size:20px}p{color:var(--muted);margin-bottom:20px}input,textarea,select{width:100%;padding:12px;border-radius:8px;border:1px solid var(--border);margin-bottom:20px;font-size:14px}button{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}.card h2{font-size:20px;margin-bottom:8px}.card p{font-size:14px;color:var(--muted)}button{min-width:120px}button:disabled{background:#e5e7eb;color:#9ca3af}