.checkout-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; align-items: flex-start; padding: 34px 0 76px; }
.checkout-form, .checkout-summary { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-sm); }
.checkout-form h2 { font-size: 18px; margin-bottom: 4px; }
.checkout-form > p.hint { color: var(--text-muted); font-size: 12.5px; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12.5px; font-weight: 800; margin-bottom: 6px; }
.field label .req { color: var(--danger); }
.field input, .field textarea { width: 100%; padding: 12px 13px; border: 1px solid var(--border); border-radius: 9px; font-size: 13px; background: #fff; }
.field input:focus, .field textarea:focus { border-color: var(--primary); }
.field textarea { resize: vertical; min-height: 100px; }
.field .error-text { color: var(--danger); font-size: 11px; margin-top: 5px; display: none; }
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.field.has-error .error-text { display: block; }
.checkout-summary { position: sticky; top: 88px; }
.checkout-summary h3 { font-size: 15px; margin-bottom: 15px; }
.ringkasan-item { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; margin-bottom: 10px; color: var(--text); }
.ringkasan-item span { color: var(--text-muted); }
.ringkasan-item span small { display: block; color: var(--primary); font-size: 10px; margin-top: 2px; }
.ringkasan-item strong { font-variant-numeric: tabular-nums; white-space: nowrap; }
.info-box { background: linear-gradient(135deg, #e2fbce, #fffdee); border: 1px solid #d7e8c8; border-radius: 9px; padding: 13px; font-size: 11.5px; color: var(--primary-dark); margin-top: 17px; display: flex; gap: 9px; align-items: flex-start; }
.info-box .ico { flex-shrink: 0; margin-top: 2px; color: var(--primary); }
@media (max-width: 900px) { .checkout-layout { grid-template-columns: 1fr; } .checkout-summary { position: static; } }
@media (max-width: 560px) { .checkout-form, .checkout-summary { padding: 18px; } }