/* Responsive Design */

/* ============================================
   TABLET (768px and below)
   ============================================ */
@media (max-width: 768px) {
  .cod-form-card {
    padding: 0;
    border-radius: 0;
  }

  .cod-title {
    font-size: var(--font-size-2xl, 20px);
    margin-bottom: var(--spacing-xl, 20px);
  }

  .simple-cod-form {
    gap: var(--spacing-md, 12px);
  }

  .cod-row {
    gap: var(--spacing-md, 10px);
  }

  .cod-input,
  .cod-select {
    font-size: var(--font-size-sm, 14px);
    border-radius: var(--radius-md, 10px);
  }

  .variation-btn,
  .color-btn {
    font-size: var(--font-size-sm, 13px);
    height: 50px;
    border-radius: var(--radius-md, 10px);
  }

  .shipping-option {
    padding: var(--spacing-md, 12px) var(--spacing-lg, 16px);
    border-radius: var(--radius-md, 10px);
  }

  .shipping-label {
    font-size: var(--font-size-sm, 14px);
  }

  .summary-row {
    font-size: var(--font-size-sm, 14px);
  }

  .total-row {
    font-size: var(--font-size-base, 15px);
  }

  .total-row strong {
    font-size: var(--font-size-xl, 17px);
  }

  .qty-btn {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .cod-quantity {
    height: 48px;
    gap: var(--spacing-sm, 8px);
  }

  #cod-quantity {
    width: 46px;
    height: 40px;
    font-size: var(--font-size-lg, 16px);
  }

  .cod-submit-btn {
    font-size: var(--font-size-base, 15px);
    min-height: 50px;
  }

  .cod-spinner {
    width: 50px;
    height: 50px;
    border-width: 3px;
  }

  .cod-loading-text {
    font-size: var(--font-size-sm, 14px);
  }
}

/* ============================================
   MOBILE (480px and below)
   ============================================ */
@media (max-width: 480px) {
  .cod-form-card {
    padding: 0;
    border-radius: 0;
  }

  .cod-title {
    font-size: var(--font-size-xl, 18px);
  }

  /* Stack form fields vertically */
  .cod-row {
    grid-template-columns: 1fr;
  }

  /* Stack footer on mobile */
  .cod-footer {
    flex-direction: column;
    gap: var(--spacing-md, 12px);
  }

  .cod-quantity {
    width: 100%;
    justify-content: center;
  }

  /* Reduce variation/color button padding */
  .variation-btn {
    padding: 0 var(--spacing-lg, 18px);
    height: 48px;
  }

  .color-btn {
    padding: 0 var(--spacing-lg, 16px);
    height: 48px;
  }
}

/* ============================================
   EXTRA SMALL (360px and below)
   ============================================ */
@media (max-width: 360px) {
  .cod-form-card {
    padding: 0;
  }

  .variation-btn,
  .color-btn {
    font-size: var(--font-size-xs, 12px);
    height: 44px;
  }

  .cod-summary {
    padding: var(--spacing-lg, 16px);
  }

  .cod-select {
    background-size: 22px 22px;
    background-position: right 10px center;
    padding-right: 40px;
  }
}