/**
 * StabilityPro - Checkout Stylesheet
 * Stripe Integration Styles
 */

/* Checkout Page Layout */
.checkout-page {
  min-height: 100vh;
  background: var(--grey-50);
  font-family: var(--font);
}

.checkout-header {
  background: var(--black);
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.checkout-logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.checkout-secure {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--grey-400);
  font-size: 14px;
}

.checkout-secure svg {
  width: 18px;
  height: 18px;
}

.checkout-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 40px;
}

/* Checkout Form */
.checkout-form {
  background: var(--white);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.checkout-form__section {
  margin-bottom: 32px;
}

.checkout-form__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--grey-200);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-row--single {
  grid-template-columns: 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--grey-700);
  margin-bottom: 8px;
}

.form-group label .required {
  color: var(--error);
}

.form-group input,
.form-group select {
  padding: 14px 16px;
  border: 2px solid var(--grey-200);
  border-radius: 10px;
  font-size: 16px;
  font-family: var(--font);
  color: var(--grey-800);
  transition: all 0.2s ease;
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.form-group input.error,
.form-group select.error {
  border-color: var(--error);
}

.form-group input::placeholder {
  color: var(--grey-400);
}

.form-error {
  font-size: 13px;
  color: var(--error);
  margin-top: 6px;
  display: none;
}

.form-group.has-error .form-error {
  display: block;
}

/* Stripe Card Element */
.stripe-element {
  padding: 16px;
  border: 2px solid var(--grey-200);
  border-radius: 10px;
  background: var(--white);
  transition: all 0.2s ease;
}

.stripe-element--focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.stripe-element--invalid {
  border-color: var(--error);
}

#card-errors {
  font-size: 13px;
  color: var(--error);
  margin-top: 8px;
  min-height: 20px;
}

/* Color Selector */
.color-selector {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.color-option {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  transition: all 0.2s ease;
  position: relative;
}

.color-option:hover {
  transform: scale(1.1);
}

.color-option.selected {
  border-color: var(--black);
}

.color-option.selected::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

.color-option[data-color="black"] {
  background: #000000;
}

.color-option[data-color="blue"] {
  background: #2563eb;
}

.color-option[data-color="red"] {
  background: #ef4444;
}

.color-option[data-color="grey"] {
  background: #6b7280;
}

/* Quantity Selector */
.quantity-selector {
  display: flex;
  align-items: center;
  gap: 12px;
}

.quantity-btn {
  width: 40px;
  height: 40px;
  border: 2px solid var(--grey-200);
  border-radius: 8px;
  background: var(--white);
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
}

.quantity-btn:hover {
  background: var(--grey-50);
  border-color: var(--grey-300);
}

.quantity-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.quantity-value {
  font-size: 18px;
  font-weight: 700;
  min-width: 40px;
  text-align: center;
}

/* Order Summary */
.order-summary {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  height: fit-content;
  position: sticky;
  top: 40px;
}

.order-summary__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--grey-200);
}

.order-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--grey-100);
}

.order-item__image {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--grey-100);
  flex-shrink: 0;
}

.order-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.order-item__details {
  flex: 1;
}

.order-item__name {
  font-weight: 600;
  color: var(--black);
  margin-bottom: 4px;
}

.order-item__variant {
  font-size: 13px;
  color: var(--grey-500);
  margin-bottom: 8px;
}

.order-item__price {
  font-weight: 700;
  color: var(--black);
}

.order-totals {
  margin-top: 20px;
}

.order-totals__row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 15px;
}

.order-totals__row--subtotal {
  color: var(--grey-600);
}

.order-totals__row--shipping {
  color: var(--grey-600);
}

.order-totals__row--shipping .free {
  color: var(--success);
  font-weight: 600;
}

.order-totals__row--discount {
  color: var(--success);
}

.order-totals__row--total {
  font-size: 18px;
  font-weight: 700;
  border-top: 2px solid var(--grey-200);
  padding-top: 16px;
  margin-top: 8px;
}

.order-totals__row--savings {
  background: var(--success);
  color: var(--white);
  margin: 16px -32px -32px;
  padding: 16px 32px;
  border-radius: 0 0 16px 16px;
  font-weight: 600;
}

/* Submit Button */
.checkout-submit {
  width: 100%;
  padding: 20px 32px;
  background: var(--black);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 24px;
}

.checkout-submit:hover:not(:disabled) {
  background: var(--grey-800);
  transform: translateY(-2px);
}

.checkout-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.checkout-submit svg {
  width: 20px;
  height: 20px;
}

.checkout-submit .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Trust Badges */
.checkout-trust {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--grey-200);
}

.checkout-trust__item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--grey-500);
}

.checkout-trust__item svg {
  width: 16px;
  height: 16px;
}

/* Payment Icons */
.payment-icons {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  justify-content: center;
}

.payment-icon {
  height: 24px;
  opacity: 0.6;
}

/* Success Page */
.checkout-success {
  max-width: 600px;
  margin: 80px auto;
  text-align: center;
  padding: 60px 40px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.checkout-success__icon {
  width: 80px;
  height: 80px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.checkout-success__icon svg {
  width: 40px;
  height: 40px;
  color: var(--white);
}

.checkout-success__title {
  font-size: 28px;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 12px;
}

.checkout-success__message {
  font-size: 16px;
  color: var(--grey-600);
  margin-bottom: 32px;
  line-height: 1.7;
}

.checkout-success__order-id {
  background: var(--grey-50);
  padding: 16px 24px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--grey-600);
  margin-bottom: 32px;
}

.checkout-success__order-id strong {
  color: var(--black);
  font-weight: 700;
}

/* Error Alert */
.checkout-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 24px;
  display: none;
}

.checkout-error.show {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.checkout-error__icon {
  color: var(--error);
  flex-shrink: 0;
}

.checkout-error__icon svg {
  width: 20px;
  height: 20px;
}

.checkout-error__message {
  font-size: 14px;
  color: #991b1b;
}

/* Back Link */
.checkout-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--grey-600);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  transition: color 0.2s ease;
}

.checkout-back:hover {
  color: var(--black);
}

.checkout-back svg {
  width: 18px;
  height: 18px;
}

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

  .order-summary {
    position: relative;
    top: 0;
    order: -1;
  }
}

@media (max-width: 640px) {
  .checkout-header {
    padding: 16px 20px;
  }

  .checkout-logo {
    font-size: 20px;
  }

  .checkout-container {
    padding: 20px;
  }

  .checkout-form {
    padding: 24px;
  }

  .order-summary {
    padding: 24px;
  }

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

  .checkout-trust {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .order-totals__row--savings {
    margin: 16px -24px -24px;
    padding: 16px 24px;
  }
}