/* ==========================================================================
   Checkout Page Styles
   ========================================================================== */

.checkout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
}

/* ---------- Form ---------- */
.checkout-form {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.checkout-heading {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.field {
  margin-bottom: 1.25rem;
  min-width: 0;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: 0.4rem;
}

.field .optional {
  color: var(--color-text-muted);
  font-weight: 400;
}

.field-row {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
}

.checkout-form .form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg-cream, #FDF8F3);
  transition: border-color var(--transition-fast);
}

.checkout-form .form-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.checkout-form textarea.form-input {
  resize: vertical;
}

.checkout-alert {
  background-color: #FDECEA;
  color: #B3261E;
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* ---------- Summary ---------- */
.checkout-summary {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 100px;
}

.summary-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.summary-item img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.summary-item-info {
  flex: 1;
  min-width: 0;
}

.summary-item-name {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
}

.summary-item-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.summary-item-price {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  color: var(--color-text-light);
}

.summary-total {
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
  padding-top: 1rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ---------- Notices ---------- */
.checkout-notice {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  box-shadow: var(--shadow-sm);
}

.checkout-notice .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.checkout-notice p {
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

.muted {
  color: var(--color-text-muted);
}

.small {
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .checkout-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .checkout-summary {
    position: static;
    order: -1;
  }
}

@media (max-width: 560px) {
  .field-row {
    grid-template-columns: 1fr;
  }
  .checkout-form,
  .checkout-summary {
    padding: 1.5rem;
  }
}