/* Checkout page */
.checkout-page {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

/* ── Progress bar ─────────────────────────────────────────────── */
.checkout-progress {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
  padding-bottom: 4px;
}
.progress-step {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.progress-step-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.progress-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  transition: background 0.2s, color 0.2s;
}
.progress-step-text {
  font-size: 0.72rem;
  color: var(--text-secondary);
  white-space: nowrap;
}
.progress-step.active   .progress-step-num { background: var(--accent); color: #fff; }
.progress-step.done     .progress-step-num { background: var(--accent); color: #fff; }
.progress-step.active   .progress-step-text { color: var(--text-primary); font-weight: 500; }
.progress-connector {
  height: 2px;
  width: 32px;
  background: var(--border);
  flex-shrink: 0;
}
.progress-connector.done { background: var(--accent); }

@media (max-width: 500px) {
  .progress-step-text { display: none; }
  .progress-connector { width: 20px; }
}

/* ── Layout ────────────────────────────────────────────────────── */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-xl);
  align-items: start;
}
@media (max-width: 768px) {
  .checkout-layout {
    grid-template-columns: 1fr;
  }
  .checkout-order-summary { order: -1; }
}

/* ── Form sections ─────────────────────────────────────────────── */
.checkout-step {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}
.checkout-step[hidden] { display: none; }
.checkout-step h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}
.form-row.single { grid-template-columns: 1fr; }
@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }

.form-field { display: flex; flex-direction: column; gap: 4px; margin-bottom: var(--spacing-sm); }
.form-field label { font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); }
.form-field label .required { color: #cb2431; margin-left: 2px; }
.form-field input,
.form-field select {
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
  box-sizing: border-box;
}
.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.15);
}
.form-field input.error,
.form-field select.error { border-color: #cb2431; }
.form-field .field-error { font-size: 0.75rem; color: #cb2431; }

/* ── Checkbox ──────────────────────────────────────────────────── */
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--spacing-md);
  cursor: pointer;
}
.checkbox-row input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }
.checkbox-row label { font-size: 0.875rem; cursor: pointer; }

/* ── Shipping method cards ─────────────────────────────────────── */
.shipping-options { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.shipping-option {
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}
.shipping-option:hover   { border-color: var(--accent); background: rgba(35,134,54,0.04); }
.shipping-option.selected { border-color: var(--accent); background: rgba(35,134,54,0.06); }
.shipping-option input[type="radio"] { flex-shrink: 0; accent-color: var(--accent); width: 18px; height: 18px; }
.shipping-option-info { flex: 1; }
.shipping-option-name { font-weight: 600; font-size: 0.9rem; }
.shipping-option-desc { font-size: 0.8rem; color: var(--text-secondary); }
.shipping-option-price { font-weight: 700; font-size: 1rem; white-space: nowrap; }
.shipping-option-price.free { color: var(--accent); }

.shipping-loading {
  text-align: center;
  color: var(--text-secondary);
  padding: var(--spacing-md);
  font-size: 0.875rem;
}

/* ── Stripe payment element container ─────────────────────────── */
#payment-element { margin-bottom: var(--spacing-md); }
#payment-message {
  color: #cb2431;
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

/* ── Order review ──────────────────────────────────────────────── */
.review-items { margin-bottom: var(--spacing-md); }
.review-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.review-item:last-child { border-bottom: none; }
.review-item-name { font-weight: 500; }
.review-item-qty  { color: var(--text-secondary); font-size: 0.8rem; }
.review-totals {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}
.review-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
.review-total-row.grand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  padding-top: 8px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
}

.review-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}
@media (max-width: 480px) { .review-details-grid { grid-template-columns: 1fr; } }
.review-detail-block h4 { font-size: 0.75rem; text-transform: uppercase; color: var(--text-secondary); margin: 0 0 4px; }
.review-detail-block p  { font-size: 0.875rem; margin: 0; line-height: 1.5; }

/* ── Buttons ────────────────────────────────────────────────────── */
.checkout-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
}
.btn-back {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.7rem 1.25rem;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--text-secondary);
  font-family: inherit;
  transition: border-color 0.15s, color 0.15s;
}
.btn-back:hover { border-color: var(--text-secondary); color: var(--text-primary); }
.btn-next,
.btn-place-order {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.7rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, transform 0.1s;
}
.btn-next:hover,
.btn-place-order:hover  { background: #1a6e2a; }
.btn-next:active,
.btn-place-order:active { transform: scale(0.98); }
.btn-next:disabled,
.btn-place-order:disabled { background: #ccc; cursor: not-allowed; }

/* ── Order summary sidebar ─────────────────────────────────────── */
.checkout-order-summary {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  position: sticky;
  top: 100px;
}
.checkout-order-summary h3 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-md);
}
.summary-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
}
.summary-item-img {
  width: 48px;
  height: 48px;
  background: #fff;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.summary-item-img img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.summary-item-info { flex: 1; min-width: 0; }
.summary-item-name { font-weight: 500; }
.summary-item-qty  { font-size: 0.78rem; color: var(--text-secondary); }
.summary-item-price { font-weight: 600; white-space: nowrap; }
.summary-divider { border: none; border-top: 1px solid var(--border); margin: var(--spacing-sm) 0; }
.summary-line { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 4px; color: var(--text-secondary); }
.summary-line.total { font-weight: 700; font-size: 1rem; color: var(--text-primary); margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }

/* ── Global feedback ────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #24292e;
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  z-index: 9999;
  transition: transform 0.3s;
  max-width: 90vw;
  text-align: center;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: #cb2431; }