:root{font-family:Arial,sans-serif;color:#111;background:#f7f7f7}body{margin:0;padding:0}.container{max-width:1080px;margin:0 auto;padding:24px}.card{background:#fff;padding:16px;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,.05);margin-bottom:16px}button,input,select,textarea{font-family:inherit}input,select,textarea{padding:8px;border:1px solid #ddd;border-radius:6px}button{padding:10px 14px;border:none;border-radius:6px;background:#2563eb;color:#fff;cursor:pointer}button.secondary{background:#6b7280}button.danger{background:#dc2626}.table{width:100%;border-collapse:collapse}.table td,.table th{border:1px solid #eee;padding:8px;text-align:left}.flex{display:flex;gap:12px}.space-between{display:flex;justify-content:space-between;align-items:center}