/* frontend/public/checkout.css */
.checkout-section { display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 40px; padding: 40px 32px 80px; max-width: 1000px; }
.checkout-title { font-size: 28px; font-weight: 800; margin-bottom: 20px; }
.form-row { margin-bottom: 14px; display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 12px; font-weight: 700; color: var(--gray); text-transform: uppercase; letter-spacing: 0.04em; }
.form-row input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; }
.form-row-split { flex-direction: row; gap: 14px; }
.form-row-split > div { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.checkout-error { background: #fdf3f2; color: #b52b27; border: 1px solid #d9534f; border-radius: 10px; padding: 12px 14px; font-size: 13px; margin-bottom: 14px; }
.checkout-pay-btn { width: 100%; margin-top: 8px; }
.checkout-summary { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 24px; height: fit-content; }
.checkout-summary-title { font-weight: 800; margin-bottom: 14px; }
.checkout-summary-line { display: flex; justify-content: space-between; font-size: 13px; padding: 4px 0; color: var(--gray); }
.checkout-summary-row { display: flex; justify-content: space-between; font-size: 14px; padding: 6px 0; }
.checkout-total-row { font-size: 18px; font-weight: 800; border-top: 1px solid var(--border); margin-top: 8px; padding-top: 14px; }
@media (max-width: 720px) { .checkout-section { grid-template-columns: 1fr; } }