body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:#f4f6f8;color:#333}.container{max-width:900px;margin:40px auto}.card{background:#fff;padding:24px;margin-bottom:20px;border-radius:8px;box-shadow:0 2px 6px #00000014}input,select{padding:10px;margin:6px 0;width:100%;border:1px solid #ccc;border-radius:4px}button{padding:10px 16px;background:#2563eb;color:#fff;border:none;border-radius:4px;cursor:pointer}button:disabled{background:#9ca3af}table{width:100%;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid #e5e7eb;text-align:left}