.checkout-container {
    padding: 40px 0;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    align-items: start;
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 8px 30px var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.checkout-form-container {
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--card-shadow);
    padding: 30px;
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
}

.form-section {
    margin-bottom: 40px;
}

.form-section h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    transition: color 0.3s ease, border-color 0.3s ease;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.payment-option {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.payment-option:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.payment-option input[type="radio"] {
    margin-right: 15px;
}

.payment-label {
    display: flex;
    align-items: center;
    font-weight: 500;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.payment-label i {
    margin-right: 10px;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.form-actions {
    margin-top: 30px;
}

/* Order Total Section */
.order-total-section {
    margin: 30px 0;
    padding: 20px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.order-total-section .summary-total {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--text-color);
    transition: color 0.3s ease;
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
        gap: 15px;
    }
    
    .payment-option {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .checkout-form-container {
        padding: 20px 15px;
    }
    
    .form-section h2 {
        font-size: 1.2rem;
    }
    
    .payment-label {
        font-size: 0.9rem;
    }
}