/* ===========================================
   Thread & Thimble Supply - Checkout Styles
   =========================================== */

.checkout-section { padding: 40px 0; }
.checkout-layout { display: grid; grid-template-columns: 1fr 420px; gap: 48px; align-items: start; }

/* --- Sandbox Notice --- */
.sandbox-notice { display: flex; align-items: flex-start; gap: 10px; background: #fffbeb; border: 1px solid #fcd34d; border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 24px; font-size: 13px; color: #92400e; }
.sandbox-notice svg { flex-shrink: 0; margin-top: 2px; color: #d97706; }

/* --- Checkout Blocks --- */
.checkout-block { margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--border-light); }
.checkout-block h2 { font-family: var(--font-heading); font-size: 20px; font-weight: 600; margin-bottom: 20px; }
.block-note { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; margin-top: -12px; }
.checkout-block .form-group { margin-bottom: 16px; }
.checkout-block .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkout-block .form-row.three-col { grid-template-columns: 1fr 1fr 1fr; }
.checkout-block label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.checkout-block label .optional { font-weight: 400; color: var(--text-muted); }
.field-note { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.readonly-field { background: var(--bg-cream); cursor: not-allowed; color: var(--text-muted); }

/* --- Shipping Options --- */
.shipping-options { display: flex; flex-direction: column; gap: 10px; }
.shipping-option { display: block; border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 0; cursor: pointer; transition: all var(--transition); overflow: hidden; }
.shipping-option:hover { border-color: var(--primary); }
.shipping-option input[type="radio"] { display: none; }
.shipping-option input[type="radio"]:checked + .shipping-option-content { border-color: var(--primary); background: rgba(26,77,46,0.04); }
.shipping-option:has(input:checked) { border-color: var(--primary); }
.shipping-option-content { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; }
.shipping-option-left { display: flex; flex-direction: column; gap: 2px; }
.shipping-name { font-size: 14px; font-weight: 600; color: var(--text); }
.shipping-time { font-size: 13px; color: var(--text-muted); }
.shipping-price { font-size: 15px; font-weight: 600; color: var(--text); }

/* --- Payment --- */
.payment-trust { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.payment-trust img { height: 28px; width: auto; }
.payment-ssl { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--text-muted); }
.sandbox-warning { display: flex; align-items: flex-start; gap: 8px; background: #fef2f2; border: 1px solid #fecaca; border-radius: var(--radius-sm); padding: 12px 14px; font-size: 12px; color: #991b1b; margin-top: 16px; }
.sandbox-warning svg { flex-shrink: 0; margin-top: 1px; color: #dc2626; }

/* --- Checkout Notices --- */
.checkout-notices { border-bottom: none; }
.privacy-notice { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text-secondary); margin-bottom: 16px; padding: 12px; background: var(--bg-cream); border-radius: var(--radius-sm); }
.privacy-notice svg { flex-shrink: 0; margin-top: 2px; color: var(--text-muted); }
.privacy-notice a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

/* --- Checkout Submit --- */
.checkout-submit { margin-top: 8px; }
.btn-submit { padding: 18px; font-size: 16px; position: relative; }
.submit-total { font-weight: 400; opacity: 0.8; }
.decline-message { display: flex; align-items: center; gap: 8px; margin-top: 16px; padding: 14px 16px; background: #fef2f2; border: 1px solid #fecaca; border-radius: var(--radius-sm); color: #991b1b; font-size: 14px; font-weight: 500; }
.decline-message svg { flex-shrink: 0; color: #dc2626; }

/* --- Order Summary Sidebar --- */
.checkout-summary { padding: 28px; background: var(--bg-cream); border-radius: var(--radius-md); border: 1px solid var(--border-light); position: sticky; top: 100px; }
.checkout-summary h3 { font-family: var(--font-heading); font-size: 18px; font-weight: 600; margin-bottom: 20px; }
.summary-items { margin-bottom: 20px; }
.summary-item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border-light); }
.summary-item:last-child { border-bottom: none; }
.summary-item-image { width: 56px; height: 56px; border-radius: var(--radius-sm); background: var(--bg); flex-shrink: 0; border: 1px solid var(--border-light); overflow: hidden; }
.summary-item-image img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.summary-item-details { flex: 1; min-width: 0; }
.summary-item-details h4 { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.summary-item-details p { font-size: 12px; color: var(--text-muted); }
.summary-item-price { font-size: 14px; font-weight: 600; flex-shrink: 0; }
.summary-divider { height: 1px; background: var(--border); margin: 16px 0; }
.summary-lines .summary-line { display: flex; justify-content: space-between; padding: 6px 0; font-size: 14px; }
.summary-lines .summary-line span:first-child { color: var(--text-secondary); }
.summary-line.summary-total { font-size: 18px; font-weight: 700; padding-top: 12px; }
.summary-trust { margin-top: 16px; text-align: center; }
.summary-trust img { height: 24px; width: auto; opacity: 0.7; }
.summary-contact { margin-top: 12px; text-align: center; }
.summary-contact p { font-size: 12px; color: var(--text-muted); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .checkout-layout { grid-template-columns: 1fr; }
  .checkout-summary { position: static; order: -1; }
  .checkout-block .form-row.three-col { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .checkout-block .form-row { grid-template-columns: 1fr; }
  .checkout-block .form-row.three-col { grid-template-columns: 1fr; }
  .checkout-summary { padding: 20px; }
  .btn-submit { font-size: 15px; }
}