.checkout-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.checkout-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.checkout-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.checkout-header #headerAuthLinks {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkout-header .brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-logo, var(--font-heading));
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--primary);
  letter-spacing: 0.02em;
}

.checkout-header .brand:hover {
  color: var(--primary-hover);
  text-decoration: none;
}

.checkout-header .brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.checkout-main {
  flex: 1;
  padding: 28px 0 48px;
}

.checkout-container {
  max-width: 560px;
}

.checkout-title {
  margin: 0 0 24px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.checkout-empty {
  text-align: center;
  padding: 48px 24px;
  background: var(--surface);
  border-radius: var(--radius);
  border: none;
}

.checkout-empty.checkout-empty-hidden {
  display: none !important;
}

.checkout-empty p {
  margin: 0 0 20px;
  color: var(--text-muted);
}

.checkout-content {
  display: grid;
  grid-template-areas:
    "steps"
    "columns";
  gap: 24px;
  align-items: start;
}

.checkout-steps {
  grid-area: steps;
}

.checkout-columns {
  grid-area: columns;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  min-width: 0;
}

@media (min-width: 900px) {
  .checkout-columns {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 32px;
  }

  .checkout-column-summary {
    position: sticky;
    top: 100px;
  }
}

.checkout-column-form {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.checkout-column-summary {
  min-width: 0;
}

.checkout-panel {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(74, 18, 40, 0.04);
}

.checkout-panel .app-card-title {
  margin: 0 0 16px;
}

.checkout-summary-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.checkout-summary-title {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.checkout-delivery-estimate {
  margin: 0 0 16px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.checkout-delivery-estimate strong {
  color: var(--text);
}

.checkout-coupon-block {
  margin: 20px 0;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.checkout-coupon-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.checkout-coupon-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.checkout-coupon-row input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
}

.checkout-coupon-row input:focus {
  outline: 0;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.2);
}

.checkout-coupon-row .btn {
  flex-shrink: 0;
  min-height: 44px;
}

.checkout-coupon-message {
  margin: 8px 0 0;
  font-size: 0.875rem;
  color: var(--danger);
}

.checkout-coupon-applied {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  color: var(--success);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.checkout-coupon-applied button {
  font-size: 0.8125rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: underline;
}

.checkout-coupon-applied button:hover {
  color: var(--danger);
}

.checkout-totals {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkout-total-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.checkout-total-line span:last-child {
  color: var(--text);
  font-weight: 500;
}

.checkout-discount-line span:last-child {
  color: var(--success);
}

.checkout-total-final {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 2px solid var(--border);
  font-size: 1.125rem;
  color: var(--text);
}

.checkout-total-final strong,
.checkout-total-final span:last-child {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.checkout-content.checkout-content-hidden,
.checkout-content[hidden] {
  display: none !important;
}

.checkout-delivery,
.checkout-payment {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.checkout-delivery:last-child,
.checkout-payment:last-child {
  margin-bottom: 0;
}

.checkout-payment h2,
.checkout-delivery h2 {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.checkout-delivery-hint {
  margin: 0 0 14px;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.checkout-delivery-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkout-delivery-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--surface);
  transition: border-color 0.2s, background 0.2s;
}

.checkout-delivery-option:hover {
  border-color: var(--text-muted);
}

.checkout-delivery-option.is-selected {
  border-color: var(--link);
  background: rgba(var(--primary-rgb), 0.04);
}

.checkout-delivery-option input {
  margin-top: 3px;
}

.checkout-delivery-option-label {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.checkout-delivery-option-line {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
}

.checkout-delivery-empty {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.checkout-delivery-empty a {
  font-weight: 600;
}

.checkout-address-form-wrap {
  margin-top: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.checkout-address-form-intro {
  margin: 0 0 16px;
  font-size: 0.9375rem;
  color: var(--text);
  font-weight: 500;
}

.checkout-address-form-footer {
  margin: 16px 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.checkout-address-form-footer a {
  font-weight: 600;
}

.checkout-address-required {
  background: rgba(var(--primary-rgb), 0.08);
  border: 1px solid rgba(var(--primary-rgb), 0.25);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.checkout-address-required p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text);
  font-weight: 500;
}

.checkout-form .form-row-half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.checkout-payment-blocked {
  opacity: 0.65;
  pointer-events: none;
  user-select: none;
}

.checkout-items {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s ease;
}

.cart-item:last-child {
  border-bottom: 0;
}

.cart-item:hover {
  background: var(--surface-soft);
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
  border-radius: var(--radius);
}

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

.cart-item-info .item-name {
  display: block;
  color: var(--text);
  font-weight: 500;
}

.cart-item-info .item-unit-price {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.qty-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 1.125rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}

.qty-btn:hover {
  border-color: var(--link);
  background: rgba(var(--primary-rgb), 0.06);
  color: var(--link);
}

.item-qty-value {
  min-width: 24px;
  text-align: center;
  font-weight: 600;
  color: var(--text);
}

.cart-item .item-price {
  font-weight: 700;
  color: var(--text);
  min-width: 72px;
  text-align: right;
}

.btn-remove {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 1.125rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s;
}

.btn-remove:hover {
  background: rgba(184, 61, 61, 0.1);
  color: var(--danger);
}

.checkout-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.125rem;
}

.checkout-total span {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text);
}

.payment-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.payment-option {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s, background 0.2s;
}

.payment-option:hover {
  border-color: var(--link);
  background: var(--surface-soft);
}

.payment-option.is-selected {
  border-color: var(--link);
  background: rgba(var(--primary-rgb), 0.06);
}

.payment-option-label {
  display: block;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.payment-option-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.payment-panel {
  margin-top: 8px;
  position: relative;
}

.payment-login-required {
  padding: 20px;
  background: var(--surface-soft);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.payment-login-required p {
  margin: 0 0 16px;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.payment-panel-desc {
  margin: 0 0 16px;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.card-brands {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.card-brands img {
  height: 24px;
  width: auto;
  object-fit: contain;
}

.card-form {
  position: relative;
}

.card-form input[readonly] {
  background: var(--surface-soft);
  color: var(--text-muted);
}

.card-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 5;
}
.card-loading-overlay.is-visible {
  display: flex;
}
.card-loading-overlay[hidden] {
  display: none !important;
}

.card-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: card-spin 0.8s linear infinite;
}

@keyframes card-spin {
  to { transform: rotate(360deg); }
}

.card-loading-text {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.checkout-form .form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.checkout-form .form-row {
  margin-bottom: 14px;
}

.checkout-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.checkout-form input {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
}

.checkout-form input:focus {
  outline: 0;
  border-color: var(--link);
  box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.2);
}

.btn-block {
  width: 100%;
  margin-top: 8px;
  min-height: 48px;
}

.pix-qr-box {
  margin-top: 20px;
  padding: 20px;
  background: var(--surface-soft);
  border-radius: var(--radius);
  text-align: center;
}

.pix-qr-box p {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  color: var(--text);
}

.pix-qr-image {
  max-width: 220px;
  height: auto;
  display: block;
  margin: 0 auto 12px;
  border-radius: var(--radius);
}

.pix-qr-actions {
  margin: 12px 0;
}

.pix-qr-actions .btn {
  min-height: 44px;
}

.pix-expires {
  font-size: 0.8125rem !important;
  color: var(--text-muted) !important;
}

.pix-status {
  font-weight: 600;
  color: var(--link);
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pix-status.completed {
  color: var(--success);
}

.pix-status.expired {
  color: var(--danger);
}

.pix-status-link {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  color: var(--link);
  text-decoration: none;
}

.pix-status-link:hover {
  text-decoration: underline;
}

@media (max-width: 520px) {
  .checkout-coupon-row {
    flex-direction: column;
  }

  .checkout-coupon-row input,
  .checkout-coupon-row .btn {
    width: 100%;
  }

  .pix-status {
    padding: 14px 16px;
    background: var(--surface-soft, #eef0f2);
    border-radius: var(--radius);
    margin-top: 16px;
  }

  .pix-status.completed {
    background: rgba(45, 157, 120, 0.1);
    border: 1px solid var(--success);
  }

  .pix-status-link {
    display: block;
    padding: 10px 14px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    text-align: center;
    margin-top: 12px;
    border: 1px solid var(--border);
  }
}

@media (max-width: 520px) {
  .payment-options {
    grid-template-columns: 1fr;
  }

  .cart-item {
    flex-wrap: wrap;
    gap: 10px;
  }

  .cart-item-info {
    flex: 1 1 100%;
  }

  .cart-item-controls {
    order: 1;
  }

  .cart-item .item-price {
    order: 2;
    min-width: auto;
    margin-left: auto;
  }

  .btn-remove {
    order: 3;
    width: 40px;
    height: 40px;
  }

  .cart-item:hover {
    margin: 0;
    padding-left: 0;
    padding-right: 0;
  }
}

/* ---- Etapas do checkout ---- */
.checkout-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-width: 480px;
}

.checkout-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--surface-soft);
  border: 1px solid var(--border);
}

.checkout-step span {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  flex-shrink: 0;
}

.checkout-step.is-active {
  color: var(--primary);
  border-color: rgba(var(--primary-rgb), 0.35);
  background: rgba(var(--primary-rgb), 0.06);
}

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

.checkout-step.is-done {
  color: var(--text);
}

.checkout-step.is-done span {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}

/* ---- Captcha ---- */
.checkout-captcha-gate {
  margin-bottom: 20px;
}

.checkout-captcha-card {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.04), rgba(201, 169, 98, 0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.checkout-captcha-title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--primary);
}

.checkout-captcha-desc {
  margin: 0 0 18px;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.turnstile-container {
  display: flex;
  justify-content: center;
  min-height: 65px;
}

/* ---- Opções de pagamento ---- */
.payment-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  position: relative;
  padding-top: 36px;
}

.payment-option-icon {
  position: absolute;
  top: 12px;
  left: 14px;
  font-size: 1.25rem;
  line-height: 1;
}

.card-brand-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.08);
  border: 1px solid rgba(var(--primary-rgb), 0.15);
}

/* ---- Parcelas ---- */
.installments-picker-wrap {
  margin-bottom: 18px;
}

.installments-picker-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.installments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  padding: 2px;
}

@media (min-width: 520px) {
  .installments-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.installment-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 72px;
  padding: 10px 8px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  text-align: center;
}

.installment-option:hover {
  border-color: rgba(var(--primary-rgb), 0.45);
  background: rgba(var(--primary-rgb), 0.03);
}

.installment-option.is-selected {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.08);
  box-shadow: 0 0 0 1px rgba(var(--primary-rgb), 0.15);
}

.installment-option-n {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.installment-option-val {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.installment-option-tag {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--gold);
}

.installments-summary {
  margin: 12px 0 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(201, 169, 98, 0.12);
  border: 1px solid rgba(201, 169, 98, 0.35);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--burgundy-dark);
  text-align: center;
}