/* Modern Checkout Page Styles */

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

.order-loading {
    text-align: center;
    padding: 40px 20px;
}

.order-loading p {
    margin-top: 15px;
    color: var(--dark-gray);
    font-size: 16px;
}

/* Checkout Main Layout */
.checkout-main {
    padding: 40px 0 80px 0;
    background: linear-gradient(135deg, #f8f6f7 0%, #ffffff 100%);
    min-height: 70vh;
}

.checkout-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

/* Form Section */
.checkout-form-section {
    width: 100%;
}

.checkout-form-card {
    background: var(--light);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(246, 139, 30, 0.08);
    padding: 40px;
    margin-bottom: 30px;
    border: 1px solid rgba(246, 139, 30, 0.08);
}

.checkout-form-card h2 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.checkout-form-card h2 i {
    color: var(--secondary);
    font-size: 24px;
}

/* Form Styling */
.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
    font-size: 15px;
    font-family: 'Montserrat', sans-serif;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 16px 20px;
    border: 2px solid #e8e8e8;
    border-radius: 12px;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    background: var(--light);
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(246, 139, 30, 0.10);
    transform: translateY(-2px);
}

.form-group input:invalid {
    border-color: #e74c3c;
}

.form-group input:valid {
    border-color: #27ae60;
}

/* Shipping Section */
.shipping-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #f0f0f0;
}

.shipping-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.shipping-section h3 i {
    color: var(--secondary);
    font-size: 20px;
}

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

.shipping-option {
    position: relative;
}

.shipping-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.shipping-option label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px;
    background: var(--light);
    border: 2px solid #e8e8e8;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.shipping-option label:hover {
    border-color: var(--secondary);
    box-shadow: 0 4px 15px rgba(246, 139, 30, 0.10);
    transform: translateY(-2px);
}

.shipping-option input[type="radio"]:checked + label {
    border-color: var(--primary);
    background: rgba(246, 139, 30, 0.05);
    box-shadow: 0 4px 20px rgba(246, 139, 30, 0.15);
}

.shipping-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.shipping-name {
    font-weight: 600;
    color: var(--dark);
    font-size: 16px;
}

.shipping-time {
    color: var(--dark-gray);
    font-size: 14px;
}

.shipping-price {
    font-weight: 700;
    color: var(--primary);
    font-size: 18px;
}

/* Order Summary Section */
.order-summary-section {
    position: sticky;
    top: 120px;
}

.order-summary-card {
    background: var(--light);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(246, 139, 30, 0.08);
    padding: 35px;
    border: 1px solid rgba(246, 139, 30, 0.08);
}

.order-summary-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 25px;
    text-align: center;
}

/* Order Items */
.order-items-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
}

.order-item-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f6f7;
    border-radius: 12px;
    border: 1px solid rgba(246, 139, 30, 0.08);
}

.order-item-img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.order-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.order-item-name {
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
    line-height: 1.3;
}

.order-item-qty {
    color: var(--dark-gray);
    font-size: 13px;
}

.order-item-price {
    font-weight: 700;
    color: var(--primary);
    font-size: 15px;
}

/* Summary Rows */
.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    font-size: 16px;
    color: var(--dark);
    border-bottom: 1px solid #f0f0f0;
}

.summary-row:last-of-type {
    border-bottom: none;
}

.summary-row.total {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    padding: 20px 0 15px 0;
    border-top: 2px solid var(--secondary);
    margin-top: 15px;
}

/* Payment Section */
.payment-section {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 2px solid #f0f0f0;
}

.payment-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.payment-section h3 i {
    color: var(--secondary);
    font-size: 18px;
}

.payment-method-card {
    background: linear-gradient(135deg, #f8f6f7 0%, #ffffff 100%);
    border: 2px solid rgba(246, 139, 30, 0.08);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 25px;
    border: 2px solid rgba(246, 139, 30, 0.08);
}

.payment-method-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.payment-method-header i {
    color: var(--secondary);
    font-size: 20px;
}

.payment-method-header span {
    font-weight: 600;
    color: var(--primary);
    font-size: 16px;
}

.payment-method-body p {
    color: var(--dark-gray);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.payment-icons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.payment-icons i {
    font-size: 28px;
    color: var(--dark-gray);
    transition: color 0.3s ease;
}

.payment-icons .fab.fa-cc-visa {
    color: #1a1f71;
}

.payment-icons .fab.fa-cc-mastercard {
    color: #eb001b;
}

.payment-icons .fas.fa-mobile-alt {
    color: #00d4aa;
}

.payment-icons .fas.fa-university {
    color: var(--primary);
}

/* Paystack Button */
.paystack-btn {
    width: 100%;
    padding: 18px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--light);
    border: none;
    border-radius: 15px;
    font-size: 18px;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(246, 139, 30, 0.30);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.paystack-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(246, 139, 30, 0.40);
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
}

.paystack-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(246, 139, 30, 0.30);
}

.paystack-btn i {
    font-size: 16px;
}

/* Security Badges */
.security-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark-gray);
    font-size: 13px;
    font-weight: 500;
}

.security-badge i {
    color: var(--secondary);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .checkout-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .order-summary-section {
        position: static;
        order: -1;
    }
    
    .order-summary-card {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .checkout-main {
        padding: 20px 0 40px 0;
    }
    
    .checkout-form-card {
        padding: 25px 20px;
        border-radius: 15px;
    }
    
    .checkout-form-card h2 {
        font-size: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 14px 16px;
        font-size: 15px;
    }
    
    .shipping-option label {
        padding: 16px 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .shipping-price {
        align-self: flex-end;
    }
    
    .order-summary-card {
        padding: 20px;
        border-radius: 15px;
    }
    
    .paystack-btn {
        padding: 16px 0;
        font-size: 16px;
    }
    
    .security-badges {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .checkout-form-card {
        padding: 20px 15px;
    }
    
    .checkout-form-card h2 {
        font-size: 20px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .shipping-section h3 {
        font-size: 20px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .payment-section h3 {
        font-size: 18px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .order-summary-card {
        padding: 15px;
    }
    
    .order-item-card {
        padding: 12px;
        gap: 12px;
    }
    
    .order-item-img {
        width: 50px;
        height: 50px;
    }
    
    .payment-icons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .paystack-btn {
        font-size: 15px;
        padding: 14px 0;
    }
}

/* Animation for form validation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.form-group input.error {
    border-color: #e74c3c;
    animation: shake 0.5s ease-in-out;
}

/* Loading state for payment button */
.paystack-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.paystack-btn.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--light);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

/* Smooth transitions */
.checkout-form-card,
.order-summary-card {
    transition: all 0.3s ease;
}

.checkout-form-card:hover,
.order-summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(246, 139, 30, 0.12);
}