/* Checkout Page Styles */
.checkout-main {
    padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 20) 0;
}

.page-header {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 16);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.7;
}

.checkout-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: calc(var(--spacing-unit) * 16);
    align-items: start;
}

.checkout-form {
    background: var(--card-background);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing-unit) * 10);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.section-header {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 12);
    padding-bottom: calc(var(--spacing-unit) * 8);
    border-bottom: 2px solid var(--background-color);
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--text-color);
}

.section-header p {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.95rem;
}

.form-section {
    margin-bottom: calc(var(--spacing-unit) * 12);
}

.form-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 6);
    color: var(--text-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 4);
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing-unit) * 4);
    border: 2px solid var(--secondary-color);
    border-radius: calc(var(--border-radius) * 0.6);
    font-family: var(--font-family);
    font-size: 1rem;
    background: white;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(235, 26, 78, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #dc3545;
}

.error-message {
    display: none;
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: calc(var(--spacing-unit) * 2);
    font-weight: 500;
}

.delivery-note {
    background: #e8f5e8;
    border-left: 4px solid #28a745;
    padding: calc(var(--spacing-unit) * 4);
    border-radius: calc(var(--border-radius) * 0.5);
    margin-bottom: calc(var(--spacing-unit) * 6);
    font-size: 0.95rem;
    color: var(--text-color);
}

.delivery-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

.feature {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.8;
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 3);
}

.payment-option {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 4);
    padding: calc(var(--spacing-unit) * 4);
    border: 2px solid var(--secondary-color);
    border-radius: calc(var(--border-radius) * 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover {
    border-color: var(--primary-color);
    background: rgba(235, 26, 78, 0.02);
}

.payment-option.active {
    border-color: var(--primary-color);
    background: rgba(235, 26, 78, 0.05);
}

.payment-icon {
    font-size: 1.5rem;
}

.payment-details {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1);
}

.payment-name {
    font-weight: 600;
    font-size: 1rem;
}

.payment-desc {
    font-size: 0.85rem;
    opacity: 0.7;
}

.pay-now-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: calc(var(--spacing-unit) * 5);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 6) 0;
    position: relative;
    overflow: hidden;
}

.pay-now-btn:hover:not(:disabled) {
    background: #d1154a;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(235, 26, 78, 0.3);
}

.pay-now-btn:disabled {
    background: var(--secondary-color);
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 2);
}

.btn-loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 6);
    flex-wrap: wrap;
}

.badge {
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.7;
    font-weight: 500;
}

/* Order Summary */
.order-summary {
    background: var(--card-background);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing-unit) * 8);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: calc(var(--spacing-unit) * 20);
}

.order-summary h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 8);
    text-align: center;
    color: var(--text-color);
}

.order-items {
    margin-bottom: calc(var(--spacing-unit) * 8);
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 4) 0;
    border-bottom: 1px solid var(--background-color);
}

.order-item:last-child {
    border-bottom: none;
}

.item-info {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1);
}

.item-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.item-quantity {
    font-size: 0.85rem;
    opacity: 0.7;
}

.item-total {
    font-weight: 600;
    color: var(--primary-color);
}

.order-totals {
    padding-top: calc(var(--spacing-unit) * 6);
    border-top: 2px solid var(--background-color);
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: calc(var(--spacing-unit) * 4);
    font-size: 1rem;
}

.total-row.grand-total {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    padding-top: calc(var(--spacing-unit) * 4);
    border-top: 2px solid var(--primary-color);
    margin-top: calc(var(--spacing-unit) * 6);
}

.money-back-guarantee {
    margin-top: calc(var(--spacing-unit) * 8);
    padding: calc(var(--spacing-unit) * 6);
    background: #f8f9fa;
    border-radius: calc(var(--border-radius) * 0.6);
    text-align: center;
}

.money-back-guarantee h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--text-color);
}

.money-back-guarantee p {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 968px) {
    .checkout-container {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 8);
    }
    
    .order-summary {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .checkout-form {
        padding: calc(var(--spacing-unit) * 6);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .delivery-features {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .security-badges {
        gap: calc(var(--spacing-unit) * 4);
    }
}

@media (max-width: 480px) {
    .checkout-main {
        padding: calc(var(--spacing-unit) * 4) 0 calc(var(--spacing-unit) * 16) 0;
    }
    
    .checkout-form {
        padding: calc(var(--spacing-unit) * 4);
    }
    
    .order-summary {
        padding: calc(var(--spacing-unit) * 6);
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .pay-now-btn {
        font-size: 1.1rem;
        padding: calc(var(--spacing-unit) * 4);
    }
}