/* Enhanced Cart Page Specific Styles with Bootstrap Integration */

/* Cart Section */
.cart-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 80vh;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.cart-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(52, 152, 219, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(231, 76, 60, 0.05) 0%, transparent 50%);
    animation: backgroundFloat 15s ease-in-out infinite;
}

.cart-content {
    position: relative;
    z-index: 2;
}

.cart-items h2 {
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
}

.cart-items h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
    transition: var(--transition);
}

.cart-items:hover h2::after {
    width: 100px;
}

/* Enhanced Cart Empty State */
.cart-empty {
    text-align: center;
    padding: 5rem 3rem;
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    border-radius: var(--border-radius-lg);
    box-shadow: 
        var(--shadow-lg),
        inset 0 1px 0 rgba(255,255,255,0.8);
    border: 1px solid rgba(255,255,255,0.8);
    position: relative;
    overflow: hidden;
}

.cart-empty::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.cart-empty::after {
    content: '🛒';
    font-size: 4rem;
    opacity: 0.1;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.empty-icon {
    font-size: 4rem;
    opacity: 0.7;
    margin-bottom: 1.5rem;
}

.cart-empty p {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-weight: 500;
    position: relative;
    z-index: 2;
}

/* Enhanced Cart Items */
.cart-item {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 
        var(--shadow-md),
        inset 0 1px 0 rgba(255,255,255,0.8);
    border: 1px solid rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cart-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: var(--transition);
}

.cart-item:hover::before {
    transform: scaleY(1);
}

.cart-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-slow);
}

.cart-item:hover::after {
    left: 100%;
}

.cart-item.removing {
    animation: slideOutRight 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
    transform: translateX(100%);
}

@keyframes slideOutRight {
    to {
        opacity: 0;
        transform: translateX(100%);
        margin-bottom: 0;
        padding-top: 0;
        padding-bottom: 0;
        height: 0;
    }
}

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1.3;
}

.cart-item-info p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cart-item-info p::before {
    content: '💎';
    font-size: 0.8rem;
}

.cart-item-price {
    font-weight: 800;
    color: transparent;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    min-width: 120px;
    text-align: center;
    position: relative;
}

.price-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
}

/* Enhanced Quantity Controls */
.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0,0,0,0.03);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0,0,0,0.05);
}

.quantity-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 700;
    font-size: 1.1rem;
}

.quantity-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.quantity-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.quantity-input {
    width: 70px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
    background: white;
    transition: var(--transition);
}

.quantity-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.1);
    transform: scale(1.05);
}

/* Enhanced Remove Button */
.remove-btn {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.remove-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-slow);
}

.remove-btn:hover::before {
    left: 100%;
}

.remove-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        var(--shadow-md),
        0 5px 15px rgba(231, 76, 60, 0.3);
}

.remove-btn:active {
    transform: translateY(0);
}

.remove-icon {
    font-size: 1.1rem;
}

/* Enhanced Cart Summary */
.cart-summary {
    position: sticky;
    top: 120px;
}

.summary-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 
        var(--shadow-lg),
        inset 0 1px 0 rgba(255,255,255,0.8);
    border: 1px solid rgba(255,255,255,0.8);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.summary-card h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 800;
    font-size: 1.4rem;
    position: relative;
}

.summary-card h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

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

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    transition: var(--transition);
}

.summary-row:hover {
    background: rgba(0,0,0,0.02);
    margin: 0 -1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
}

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

.summary-row.total {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary-color);
    border-top: 2px solid var(--border-color);
    border-bottom: none;
    background: rgba(44, 62, 80, 0.03);
    margin: 0 -1.5rem -1.5rem;
    padding: 1.5rem;
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* Enhanced Support Info */
.support-info .card {
    border: 1px solid rgba(255,255,255,0.8);
    box-shadow: var(--shadow-md);
}

.support-info h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.support-info p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Enhanced Button Styles */
.btn-block {
    width: 100%;
    margin-bottom: 1rem;
    padding: 1rem 2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.btn-block:last-child {
    margin-bottom: 0;
}

.btn-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-slow);
}

.btn-block:hover::before {
    left: 100%;
}

#checkout-btn {
    background: var(--gradient-primary);
    border: none;
    padding: 1.25rem 2rem;
    font-size: 1.1rem;
}

#checkout-btn:hover {
    transform: translateY(-3px);
    box-shadow: 
        var(--shadow-lg),
        0 10px 30px rgba(44, 62, 80, 0.3);
}

#checkout-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-md);
}

/* Bootstrap Toast Customization */
.toast {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.toast-header {
    background: rgba(255,255,255,0.95);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.toast-body {
    background: rgba(255,255,255,0.98);
}

/* Bootstrap Alert Customization */
.alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(5px);
}

.alert-success {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.1) 0%, rgba(46, 204, 113, 0.05) 100%);
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 100%);
    border-left: 4px solid var(--info-color);
    color: var(--info-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.1) 0%, rgba(243, 156, 18, 0.05) 100%);
    border-left: 4px solid var(--warning-color);
    color: var(--warning-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1) 0%, rgba(231, 76, 60, 0.05) 100%);
    border-left: 4px solid var(--accent-color);
    color: var(--accent-color);
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .cart-section {
        padding: 2rem 0;
        min-height: auto;
    }
    
    .cart-item {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .cart-item-info {
        text-align: center;
    }
    
    .cart-item-price {
        text-align: center;
    }
    
    .quantity-controls {
        justify-content: center;
    }
    
    .cart-summary {
        position: static;
        margin-top: 3rem;
    }
    
    .summary-card {
        padding: 2rem 1.5rem;
    }
    
    .summary-row:hover {
        margin: 0 -0.5rem;
        padding: 1rem 0.5rem;
    }
    
    .summary-row.total {
        margin: 0 -1rem;
        padding: 1.25rem 1rem;
    }
}

@media (max-width: 576px) {
    .cart-empty {
        padding: 3rem 1.5rem;
    }
    
    .cart-empty p {
        font-size: 1.1rem;
    }
    
    .cart-item {
        padding: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .quantity-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .remove-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Enhanced Animations */
.cart-item {
    animation: slideInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered Animation for Cart Items */
.cart-item:nth-child(1) { animation-delay: 0.1s; }
.cart-item:nth-child(2) { animation-delay: 0.2s; }
.cart-item:nth-child(3) { animation-delay: 0.3s; }
.cart-item:nth-child(4) { animation-delay: 0.4s; }
.cart-item:nth-child(5) { animation-delay: 0.5s; }

/* Quantity Update Animation */
.quantity-updating {
    animation: pulse 0.3s ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Cart Item Added Animation */
.cart-item.added {
    animation: highlight 1s ease-in-out;
}

@keyframes highlight {
    0%, 100% {
        background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    }
    50% {
        background: linear-gradient(135deg, rgba(39, 174, 96, 0.1) 0%, rgba(46, 204, 113, 0.05) 100%);
    }
}

/* Empty Cart Animation */
.cart-empty {
    animation: fadeInScale 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Loading States */
.cart-loading .cart-item {
    pointer-events: none;
    opacity: 0.7;
}

.cart-loading .btn {
    pointer-events: none;
}

.cart-loading .btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    .cart-item,
    .summary-row,
    .remove-btn,
    .quantity-btn {
        animation: none !important;
        transition: none !important;
    }
    
    .cart-section::before {
        animation: none !important;
    }
}