/* Instant Checkout Section */
.checkout-container {
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
  }
  .checkout-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 0;
  }
  .bike-summary {
    padding: 2rem;
    background-color: var(--surface-color-alt);
    display: flex;
    gap: 1.5rem;
    align-items: center;
  }
  .bike-image {
    width: 180px;
    height: 120px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 12px var(--shadow-color);
    background-color: #f9f9f9;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .bike-image img {
    width: 85%;
    height: 100%;
    object-fit: contain !important;
    display: block;
    transition: transform 0.3s ease;
  }
  .bike-details {
    flex: 1;
  }
  .bike-details h3 {
    margin-bottom: 0.25rem;
    font-size: 1.5rem;
  }
  .bike-details p {
    color: var(--text-color-secondary);
    margin-bottom: 1rem;
  }
  .rental-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  .rental-details .detail-item {
    color: var(--text-color-secondary);
    font-size: 0.875rem;
  }
  .checkout-summary {
    padding: 2rem;
    border-left: 1px solid var(--border-color);
  }
  .checkout-summary h4 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
  }
  .summary-items {
    margin-bottom: 1.5rem;
  }
  .summary-item.subtotal {
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    border-top: 1px dashed var(--border-color);
    font-weight: 500;
    color: var(--text-color);
  }
  .summary-item.total {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-color);
  }
  .payment-options {
    margin-top: 2rem;
  }
  .saved-payments {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  .payment-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed);
  }
  .payment-option:hover {
    border-color: var(--primary-color);
  }
  .payment-option.selected {
    border-color: var(--primary-color);
    background-color: var(--highlight-color);
  }
  .card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--surface-color-alt);
    border-radius: var(--border-radius);
    color: var(--text-color-secondary);
  }
  .card-details {
    flex: 1;
  }
  .card-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
  }
  .card-expiry {
    font-size: 0.75rem;
    color: var(--text-color-tertiary);
  }
  .card-selection {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .selected-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    position: relative;
  }
  .selected-indicator::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--primary-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .add-payment-method {
    color: var(--primary-color);
    font-weight: 500;
    padding: 0.75rem;
    text-align: center;
    background-color: var(--surface-color-alt);
    border-radius: var(--border-radius);
    border: 1px dashed var(--primary-color);
    transition: all var(--transition-speed);
  }
  .add-payment-method:hover {
    background-color: var(--highlight-color);
  }
  .checkout-actions {
    padding: 2rem;
    background-color: var(--surface-color-alt);
    border-top: 1px solid var(--border-color);
  }
  .express-checkout {
    margin-bottom: 1.5rem;
  }
  .express-info {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-color-secondary);
    margin-top: 0.75rem;
  }
  .additional-actions {
    display: flex;
    justify-content: center;
    gap: 2rem;
  }