.checkout-page {
  padding-top: 32px;
  padding-bottom: 3rem;
}

.checkout-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0;
}

.checkout-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin: 0 0 1.5rem;
  font-size: 0.8125rem;
  color: #9ca3af;
}

.checkout-breadcrumb a {
  color: #6b7280;
  text-decoration: none;
}

.checkout-breadcrumb a:hover {
  color: var(--color-primary);
}

.checkout-breadcrumb span[aria-current] {
  color: #374151;
}

.checkout-head {
  margin-bottom: 1.5rem;
}

.checkout-title {
  margin: 0 0 0.375rem;
  font-size: 1.75rem;
  font-weight: 700;
  color: #111827;
}

.checkout-subtitle {
  margin: 0;
  font-size: 0.875rem;
  color: #6b7280;
}

.checkout-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18.5rem;
  gap: 1.5rem;
  align-items: start;
}

.checkout-main,
.checkout-summary {
  min-width: 0;
}

.checkout-steps {
  display: flex;
  gap: 0;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  border: 1px solid #ececec;
  background: #fff;
}

.checkout-step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  border-right: 1px solid #ececec;
  color: #9ca3af;
}

.checkout-step:last-child {
  border-right: none;
}

.checkout-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  font-size: 0.75rem;
  font-weight: 700;
}

.checkout-step-label {
  font-size: 0.8125rem;
  font-weight: 600;
}

.checkout-step.is-active {
  background: var(--color-primary-light);
  color: #065f58;
}

.checkout-step.is-active .checkout-step-num {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.checkout-step.is-complete {
  color: #374151;
}

.checkout-step.is-complete .checkout-step-num {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.checkout-form {
  background: #fff;
  border: 1px solid #ececec;
}

.checkout-panel {
  display: none;
  padding: 1.5rem;
}

.checkout-panel.is-active {
  display: block;
}

.checkout-panel-title {
  margin: 0 0 0.375rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: #111827;
}

.checkout-panel-desc {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: #6b7280;
}

.checkout-field {
  margin-bottom: 1rem;
}

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

.checkout-field-row .checkout-field {
  margin-bottom: 0;
  min-width: 0;
}

.checkout-field-row.checkout-field-row--3 {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 7.5rem;
}

.checkout-label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #374151;
}

.checkout-input {
  box-sizing: border-box;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.6875rem 0.875rem;
  border: 1px solid #e5e7eb;
  background: #fff;
  font-size: 0.875rem;
  color: #111827;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.checkout-input::placeholder {
  color: #9ca3af;
}

.checkout-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.checkout-textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.checkout-secure {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.8125rem;
  color: #6b7280;
}

.checkout-secure i {
  color: var(--color-primary);
}

.checkout-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
  padding-top: 0.25rem;
}

.checkout-actions--split {
  justify-content: space-between;
}

.checkout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.6875rem 1.25rem;
  border: 1px solid transparent;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.checkout-btn--primary {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.checkout-btn--primary:hover {
  border-color: var(--color-primary-dark);
  background: var(--color-primary-dark);
}

.checkout-btn--ghost {
  border-color: #d1d5db;
  background: #fff;
  color: #374151;
}

.checkout-btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.checkout-summary-box {
  position: sticky;
  top: calc(10.5rem + 1.5rem);
  padding: 1.25rem;
  background: #fff;
  border: 1px solid #ececec;
}

.checkout-summary-title {
  margin: 0 0 1rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid #ececec;
  font-size: 1rem;
  font-weight: 700;
  color: #111827;
}

.checkout-summary-items {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin: 0 0 1rem;
  padding: 0 0 1rem;
  border-bottom: 1px solid #ececec;
  list-style: none;
}

.checkout-summary-item {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: start;
}

.checkout-summary-item img {
  width: 3.5rem;
  height: 3.5rem;
  object-fit: cover;
  border: 1px solid #ececec;
  background: #f3f4f6;
}

.checkout-summary-name {
  margin: 0 0 0.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
  color: #1f2937;
}

.checkout-summary-meta {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.4;
  color: #9ca3af;
}

.checkout-summary-item strong {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #111827;
  white-space: nowrap;
}

.checkout-summary-lines {
  margin: 0 0 1rem;
}

.checkout-summary-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.625rem;
}

.checkout-summary-line dt,
.checkout-summary-line dd {
  margin: 0;
  font-size: 0.875rem;
  color: #4b5563;
}

.checkout-summary-free {
  color: #059669;
  font-weight: 600;
}

.checkout-summary-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-top: 0.875rem;
  border-top: 1px solid #ececec;
}

.checkout-summary-total span {
  font-size: 0.875rem;
  font-weight: 600;
  color: #374151;
}

.checkout-summary-total strong {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
}

.checkout-summary-edit {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.checkout-summary-edit:hover {
  color: var(--color-primary);
}

.checkout-address-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.875rem;
  margin-bottom: 1.25rem;
}

.checkout-address-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  min-height: 10.5rem;
  padding: 1rem;
  border: 1px solid #e5e7eb;
  background: #fff;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.checkout-address-card:hover {
  border-color: #cbd5e1;
}

.checkout-address-card.is-active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.checkout-address-tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: #f3f4f6;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #6b7280;
}

.checkout-address-card.is-active .checkout-address-tag {
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-primary-dark);
}

.checkout-address-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #111827;
}

.checkout-address-text {
  margin: 0;
  flex: 1;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: #6b7280;
}

.checkout-address-phone {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #374151;
}

.checkout-address-card--add {
  align-items: center;
  justify-content: center;
  min-height: 10.5rem;
  border-style: dashed;
  background: #f9fafb;
  color: #6b7280;
}

.checkout-address-card--add i {
  font-size: 1.25rem;
  color: var(--color-primary);
}

.checkout-address-card--add span {
  font-size: 0.875rem;
  font-weight: 600;
  color: #374151;
}

.checkout-address-card--add:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.checkout-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.checkout-modal.is-open {
  display: flex;
}

.checkout-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.55);
}

.checkout-modal-dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 40rem;
  max-height: calc(100vh - 2rem);
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #ececec;
}

.checkout-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.125rem;
  border-bottom: 1px solid #ececec;
}

.checkout-modal-title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: #111827;
}

.checkout-modal-close {
  width: 2rem;
  height: 2rem;
  border: none;
  background: none;
  color: #6b7280;
  cursor: pointer;
}

.checkout-modal-body {
  overflow: auto;
  padding: 1.125rem;
}

.checkout-modal-body .checkout-field:last-child {
  margin-bottom: 0;
}

.checkout-modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
  padding: 1rem 1.125rem;
  border-top: 1px solid #ececec;
}

@media (max-width: 1024px) {
  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .checkout-summary-box {
    position: static;
  }
}

@media (max-width: 768px) {
  .checkout-page {
    padding-top: 24px;
  }

  .checkout-inner {
    padding: 0;
  }

  .checkout-step {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.375rem;
    padding: 0.75rem;
  }

  .checkout-field-row {
    grid-template-columns: 1fr;
  }

  .checkout-field-row.checkout-field-row--3 {
    grid-template-columns: 1fr;
  }

  .checkout-panel {
    padding: 1.125rem;
  }

  .checkout-actions,
  .checkout-actions--split {
    flex-direction: column;
  }

  .checkout-btn {
    width: 100%;
  }

  .checkout-address-grid {
    grid-template-columns: 1fr;
  }

  .checkout-modal-foot {
    flex-direction: column;
  }

  .checkout-modal-foot .checkout-btn {
    width: 100%;
  }
}