.checkout-page {
    padding: 2rem 0;
    background: #f8f9fa;
}

.checkout-header {
    text-align: center;
    margin-bottom: 3rem;
}

.checkout-header h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.checkout-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    transition: var(--transition);
}

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

.step.active {
    color: var(--primary-color);
    font-weight: 600;
}

.step-number {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: #e9ecef;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.step.completed .step-number {
    background: var(--success-color);
    color: white;
}

.step.active .step-number {
    background: var(--primary-color);
    color: var(--text-dark);
}

.checkout-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* Formulaire */
.checkout-details {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.checkout-section {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.checkout-section:last-child {
    border-bottom: none;
}

.checkout-section h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-dark);
    margin: 0 0 1.5rem 0;
    font-size: 1.2rem;
}

.checkout-section h3 i {
    color: var(--primary-color);
}

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



/* Checkbox personnalisée */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-dark);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-dark);
    font-weight: bold;
    font-size: 0.8rem;
}

/* Options de livraison */
.delivery-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.delivery-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.delivery-option:hover {
    border-color: var(--primary-color);
    background: rgba(255, 215, 0, 0.05);
}

.delivery-option input[type="radio"] {
    margin: 0;
    accent-color: var(--primary-color);
}

.delivery-option input[type="radio"]:checked {
    + .delivery-details {
        .delivery-option {
            border-color: var(--primary-color);
            background: rgba(255, 215, 0, 0.1);
        }
    }
}

.delivery-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.delivery-info h4 {
    margin: 0 0 0.25rem 0;
    color: var(--text-dark);
}

.delivery-info p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

.delivery-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
}

/* Notice de paiement */
.payment-info {
    background: linear-gradient(135deg, #fff3cd 0%, #fef7e6 100%);
    border: 1px solid #ffc107;
}

.payment-notice {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #ffc107;
}

.payment-notice i {
    color: #ffc107;
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.payment-notice h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-dark);
}

.payment-notice p {
    margin: 0;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Résumé de commande */
.order-summary {
    position: sticky;
    top: 2rem;
}

.summary-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.summary-card h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-dark);
    font-size: 1.3rem;
    text-align: center;
}

.order-items {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.order-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.order-item:last-child {
    margin-bottom: 0;
}

.item-image img {
    width: 60px;
    height: 45px;
    object-fit: cover;
    border-radius: 6px;
}

.item-details {
    flex: 1;
}

.item-details h5 {
    margin: 0 0 0.25rem 0;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.item-details p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-light);
}

.item-price {
    font-weight: 600;
    color: var(--secondary-color);
}

.summary-totals {
    margin-bottom: 2rem;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.summary-line:last-child {
    border-bottom: none;
}

.total-line {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    border-top: 2px solid var(--border-color);
    padding-top: 1rem;
    margin-top: 1rem;
}

.total-line span:last-child {
    color: var(--secondary-color);
    font-size: 1.4rem;
}

.security-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.security-notice i {
    color: var(--success-color);
}

/* États */
.hidden {
    display: none;
}

.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .checkout-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .order-summary {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .checkout-steps {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step {
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkout-section {
        padding: 1.5rem;
    }
    
    .summary-card {
        padding: 1.5rem;
    }
    
    .delivery-option {
        padding: 1rem;
    }
    
    .delivery-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .checkout-page {
        padding: 1rem 0;
    }
    
    .checkout-header h1 {
        font-size: 2rem;
    }
    
    .checkout-section {
        padding: 1rem;
    }
    
    .summary-card {
        padding: 1rem;
    }
}