/* CSS Reset and Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-hover: #5855eb;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Backgrounds */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --bg-overlay: rgba(15, 23, 42, 0.8);

    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Borders & Shadows */
    --border: #475569;
    --border-light: #64748b;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Spacing & Layout */
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Base Styles */
body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

/* Development Warning Banner */
.dev-warning-banner {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    border-bottom: 3px solid #991b1b;
    padding: 1rem 0;
    animation: pulse 2s infinite;
    position: relative;
    z-index: 99;
}

.warning-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 100%;
}

.warning-icon {
    font-size: 2rem;
    color: #fef3c7;
    animation: bounce 1s infinite;
    flex-shrink: 0;
}

.warning-text {
    flex: 1;
}

.warning-text h3 {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.warning-text p {
    color: #fef3c7;
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.4;
}

.warning-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.warning-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.9; }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-3px); }
    60% { transform: translateY(-2px); }
}

/* Mobile responsiveness for warning banner */
@media (max-width: 768px) {
    .dev-warning-banner {
        padding: 0.75rem 0;
    }
    
    .warning-content {
        gap: 0.75rem;
    }
    
    .warning-icon {
        font-size: 1.5rem;
    }
    
    .warning-text h3 {
        font-size: 1.1rem;
        margin-bottom: 0.25rem;
    }
    
    .warning-text p {
        font-size: 0.875rem;
    }
    
    .warning-close {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .warning-content {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .warning-close {
        position: absolute;
        top: 0.5rem;
        right: 1rem;
    }
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.9rem;
}

.nav-link:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.admin-link {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: white !important;
    font-weight: 600;
}

.admin-link:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Cart Button */
.cart-btn {
    background: linear-gradient(135deg, #10b981, #22c55e);
    color: white;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    font-size: 1.2rem;
}

.cart-btn:hover {
    background: linear-gradient(135deg, #059669, #16a34a);
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 12px 10px;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.mobile-menu-btn:hover .hamburger-line {
    background: white;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--error);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    border: 2px solid var(--bg-secondary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    padding: 1.5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.1), transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.feature i {
    color: var(--primary);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.loading-spinner {
    text-align: center;
    color: var(--text-primary);
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Main Content */
.main {
    padding: 1rem 0;
    min-height: 60vh;
}

.section-header {
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Removed filter controls - products auto-sorted by price */

/* Products Grid - Compact Professional Layout */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        padding: 0;
    }
    
    .hero {
        padding: 1rem 0;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .main {
        padding: 0.75rem 0;
    }
    
    .section-header {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        padding: 0;
    }
}

/* Product Cards */
.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border);
    min-height: 320px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.product-card.out-of-stock {
    opacity: 0.6;
    position: relative;
}

.product-card.out-of-stock::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.discount-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(45deg, #ff6b6b, #ff5252);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
    from {
        box-shadow: 0 2px 8px rgba(255, 107, 107, 0.3);
        transform: scale(1);
    }
    to {
        box-shadow: 0 4px 12px rgba(255, 107, 107, 0.5);
        transform: scale(1.05);
    }
}

.product-image {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    padding: 2rem;
    text-align: center;
    color: white;
    position: relative;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.product-icon {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.product-type {
    font-size: 0.7rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-content {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-name {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.product-pricing {
    margin-bottom: 0.75rem;
    text-align: center;
}

.price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.price-with-discount {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    margin-bottom: 0.3rem;
}

.original-price {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.7;
}

.discounted-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--success);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.savings {
    font-size: 0.8rem;
    color: var(--success);
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.stock-info {
    margin-bottom: 1rem;
}

.stock-status {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius);
    width: fit-content;
}

.stock-status.in-stock {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.stock-status.low-stock {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.stock-status.out-of-stock {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.add-to-cart-btn, .buy-now-btn {
    padding: 0.7rem 0.6rem;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    min-height: 42px;
}

.add-to-cart-btn {
    background: linear-gradient(135deg, #10b981, #22c55e);
    color: white;
    border: 1px solid #10b981;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}

.add-to-cart-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669, #16a34a);
    border-color: #059669;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.buy-now-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    border: 1px solid var(--primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.buy-now-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.add-to-cart-btn:disabled, .buy-now-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--bg-card);
    z-index: 2000;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: none;
    flex-direction: column;
    border-left: 1px solid var(--border);
    transform: translateX(100%);
}

.cart-sidebar.open {
    right: 0;
    display: flex !important;
    transform: translateX(0) !important;
}

.cart-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
}

.cart-header h3 {
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cart-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.cart-close:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.cart-body {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 1rem; /* Add padding at bottom for better scrolling */
}

.cart-items {
    padding: 1rem;
}

.empty-cart {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-cart-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.cart-item-image {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.cart-item-details {
    flex: 1;
}

.cart-item-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cart-item-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.cart-item-pricing {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.cart-original-price {
    color: var(--text-muted);
    text-decoration: line-through;
    font-size: 0.8rem;
    opacity: 0.7;
}

.cart-discounted-price {
    color: var(--success);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 0.1rem;
}

.cart-item-price {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.cart-item-quantity {
    color: var(--text-secondary);
}

.cart-item-total {
    font-weight: 700;
    color: var(--primary);
}

.cart-item-warnings {
    margin-top: 0.5rem;
}

.warning-text {
    font-size: 0.8rem;
    color: #dc2626;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 0.25rem;
}

.remove-from-cart {
    background: var(--error);
    color: white;
    border: none;
    border-radius: var(--radius);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.remove-from-cart:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    margin-bottom: 2rem; /* Add bottom margin for mobile scrolling */
    padding-bottom: 2rem; /* Extra padding for mobile visibility */
}

.cart-summary {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cart-total {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius);
}

.checkout-btn {
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.checkout-btn:hover:not(:disabled) {
    background: var(--primary-hover);
}

.checkout-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Floating Cart Button */
.floating-cart-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    font-weight: 600;
}

.floating-cart-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.floating-cart-count {
    background: var(--error);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

/* Mobile Cart Improvements */
@media (max-width: 768px) {
    .cart-sidebar {
        height: 100vh;
        overflow: hidden;
    }
    
    .cart-body {
        height: calc(100vh - 180px); /* Account for header and footer */
        overflow-y: auto;
        padding-bottom: 2rem;
    }
    
    .cart-footer {
        position: sticky;
        bottom: 0;
        margin-bottom: 0;
        padding-bottom: 3rem; /* Extra space for mobile navigation */
        background: var(--bg-secondary);
        border-top: 2px solid var(--border);
    }
    
    .checkout-btn {
        margin-bottom: 1rem; /* Extra margin to ensure visibility */
        padding: 1.25rem; /* Larger touch target */
        font-size: 1.1rem; /* Larger text for mobile */
    }
}

/* Mobile Navigation Menu */
.mobile-nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 380px;
    height: 100vh;
    background: var(--bg-primary);
    z-index: 2001;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: none;
    flex-direction: column;
    border-left: 1px solid var(--border);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    transform: translateX(100%);
}

.mobile-nav-menu.active {
    right: 0;
    display: flex !important;
    transform: translateX(0) !important;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    min-height: 80px;
}

.mobile-nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.mobile-nav-logo i {
    font-size: 1.5rem;
}

.mobile-nav-close {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-nav-close:hover {
    background: var(--error);
    color: white;
    border-color: var(--error);
    transform: scale(1.1);
}

.mobile-nav-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-nav-links {
    flex: 1;
    padding: 1rem 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.mobile-nav-link:hover {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.1), transparent);
    transform: translateX(5px);
}

.mobile-nav-link.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), transparent);
    border-left: 4px solid var(--primary);
}

.mobile-nav-link.active .mobile-nav-icon {
    background: var(--primary);
    color: white;
}

.mobile-nav-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.mobile-nav-icon i {
    font-size: 1.25rem;
    color: var(--primary);
}

.mobile-nav-text {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.mobile-nav-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.mobile-nav-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mobile-nav-arrow {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.mobile-nav-link:hover .mobile-nav-arrow {
    color: var(--primary);
    transform: translateX(3px);
}

.mobile-nav-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 1rem 1.5rem;
}

.admin-nav-link .mobile-nav-icon {
    background: linear-gradient(135deg, var(--warning), #d97706);
    border-color: var(--warning);
}

.admin-nav-link .mobile-nav-icon i {
    color: white;
}

.admin-nav-link:hover .mobile-nav-icon {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.mobile-nav-footer {
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.mobile-nav-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.mobile-nav-info-item i {
    width: 20px;
    color: var(--primary);
    font-size: 1rem;
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(4px);
    display: none;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
    display: block !important;
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    display: none;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
    display: block !important;
}

/* Notifications */
.notification-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.notification {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--info);
    transform: translateX(100%);
    opacity: 0;
    transition: var(--transition);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification.fade-out {
    transform: translateX(100%);
    opacity: 0;
}

.notification-success {
    border-left-color: var(--success);
}

.notification-error {
    border-left-color: var(--error);
}

.notification-warning {
    border-left-color: var(--warning);
}

.notification-info {
    border-left-color: var(--info);
}

.notification i {
    font-size: 1.25rem;
}

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

.notification-error i {
    color: var(--error);
}

.notification-warning i {
    color: var(--warning);
}

.notification-info i {
    color: var(--info);
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius);
    margin-left: auto;
}

.notification-close:hover {
    background: var(--bg-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero-features {
        gap: 1rem;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-controls {
        flex-wrap: wrap;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-nav-menu {
        max-width: 100%;
    }
}

    /* Product Cards Mobile Optimization */
    .product-content {
        padding: 1rem;
    }

    .product-name {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }

    .product-pricing {
        margin-bottom: 0.5rem;
    }

    .price {
        font-size: 1.1rem;
    }

    .stock-info {
        margin-bottom: 0.75rem;
    }

    .product-actions {
        gap: 0.4rem;
    }

    .add-to-cart-btn, .buy-now-btn {
        padding: 0.6rem 0.5rem;
        font-size: 0.7rem;
        min-height: 38px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }

    .main {
        padding: 1rem 0;
    }

    .hero {
        padding: 1.5rem 0;
    }

    .hero h2 {
        font-size: 1.75rem;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .section-header h3 {
        font-size: 1.25rem;
    }

    /* More Compact Product Cards */
    .product-content {
        padding: 0.75rem;
    }

    .product-icon {
        font-size: 5rem;
        margin-bottom: 0.7rem;
        text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
        min-height: 85px;
    }

    .product-type {
        font-size: 0.65rem;
    }

    .product-name {
        font-size: 0.85rem;
        margin-bottom: 0.4rem;
        line-height: 1.2;
    }

    .product-pricing {
        margin-bottom: 0.4rem;
    }

    .price {
        font-size: 1rem;
    }

    .stock-info {
        margin-bottom: 0.5rem;
    }

    .stock-status {
        font-size: 0.7rem;
        padding: 0.15rem 0.3rem;
    }

    .product-actions {
        gap: 0.3rem;
    }

    .add-to-cart-btn, .buy-now-btn {
        padding: 0.5rem 0.4rem;
        font-size: 0.65rem;
        min-height: 36px;
    }

    .notification {
        min-width: 250px;
        padding: 0.75rem 1rem;
    }

    .notification-container {
        top: 0.5rem;
        right: 0.5rem;
    }
}

    .cart-sidebar {
        max-width: 100%;
    }

    .floating-cart-btn {
        bottom: 1rem;
        right: 1rem;
        padding: 0.75rem 1rem;
    }

    .notification {
        min-width: auto;
        max-width: calc(100vw - 2rem);
    }
}

@media (max-width: 480px) {
    .product-actions {
        grid-template-columns: 1fr;
    }

    .add-to-cart-btn, .buy-now-btn {
        font-size: 0.8rem;
        padding: 0.5rem;
    }
}


/* Admin-only element visibility rules */
.admin-only,
[data-admin-only] {
    display: none !important;
}

/* When admin is logged in, these will be shown via JavaScript */
.admin-authenticated .admin-only,
.admin-authenticated [data-admin-only] {
    display: block !important;
}

/* Navigation admin links - hidden by default */
.nav-link.admin-link,
.mobile-nav-link.admin-link {
    display: none !important;
}

/* Admin panel access card - hidden by default */
.admin-panel-access {
    display: none !important;
}

/* Override for authenticated admin */
body.admin-authenticated .admin-panel-access,
body.admin-authenticated .nav-link.admin-link,
body.admin-authenticated .mobile-nav-link.admin-link {
    display: block !important;
}

/* SVG Product Icons */
.product-svg-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 6px;
}

.cart-svg-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.product-icon {
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6.5rem;
    margin-bottom: 0.8rem;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

/* Gift Card Value Display - centered with purple glow */
.gift-card-value-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: 1rem 1.2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    color: white;
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(138, 43, 226, 0.4),
        0 0 80px rgba(147, 112, 219, 0.3),
        0 0 120px rgba(138, 43, 226, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    z-index: 10;
    min-width: 160px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: light-purple-glow 3s ease-in-out infinite alternate;
}

@keyframes light-purple-glow {
    0% {
        box-shadow: 
            0 8px 24px rgba(0, 0, 0, 0.3),
            0 0 40px rgba(138, 43, 226, 0.4),
            0 0 80px rgba(147, 112, 219, 0.3),
            0 0 120px rgba(138, 43, 226, 0.2),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
    100% {
        box-shadow: 
            0 12px 32px rgba(0, 0, 0, 0.4),
            0 0 60px rgba(138, 43, 226, 0.6),
            0 0 120px rgba(147, 112, 219, 0.4),
            0 0 180px rgba(138, 43, 226, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.4);
    }
}

.gift-card-value-overlay .usdt-amount {
    font-size: 1.2rem;
    font-weight: bold;
    display: block;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.gift-card-value-overlay .value-label {
    font-size: 0.7rem;
    opacity: 0.9;
    display: block;
    margin-top: 0.2rem;
}

/* Clean product-image container with light purple glow background */
.product-image {
    position: relative;
    background: linear-gradient(135deg, #f8f9ff 0%, #e8ebf7 100%);
    border-radius: 12px;
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        inset 0 0 50px rgba(138, 43, 226, 0.08),
        inset 0 0 100px rgba(147, 112, 219, 0.05),
        0 0 30px rgba(138, 43, 226, 0.1);
    animation: background-purple-glow 4s ease-in-out infinite alternate;
}

@keyframes background-purple-glow {
    0% {
        box-shadow: 
            inset 0 0 50px rgba(138, 43, 226, 0.08),
            inset 0 0 100px rgba(147, 112, 219, 0.05),
            0 0 30px rgba(138, 43, 226, 0.1);
    }
    100% {
        box-shadow: 
            inset 0 0 80px rgba(138, 43, 226, 0.12),
            inset 0 0 150px rgba(147, 112, 219, 0.08),
            0 0 50px rgba(138, 43, 226, 0.15);
    }
}

/* Mobile responsive adjustments for centered USDT overlay with glow */
@media (max-width: 768px) {
    .product-image {
        min-height: 140px;
        box-shadow: 
            inset 0 0 40px rgba(138, 43, 226, 0.06),
            inset 0 0 80px rgba(147, 112, 219, 0.04),
            0 0 20px rgba(138, 43, 226, 0.08);
    }
    
    .gift-card-value-overlay {
        padding: 0.8rem 1rem;
        min-width: 140px;
        box-shadow: 
            0 6px 20px rgba(0, 0, 0, 0.3),
            0 0 30px rgba(138, 43, 226, 0.4),
            0 0 60px rgba(147, 112, 219, 0.25),
            0 0 100px rgba(138, 43, 226, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
    
    .gift-card-value-overlay .usdt-amount {
        font-size: 1.1rem;
    }
    
    .gift-card-value-overlay .value-label {
        font-size: 0.65rem;
    }
}

@media (max-width: 480px) {
    .product-image {
        min-height: 120px;
        box-shadow: 
            inset 0 0 30px rgba(138, 43, 226, 0.05),
            inset 0 0 60px rgba(147, 112, 219, 0.03),
            0 0 15px rgba(138, 43, 226, 0.06);
    }
    
    .gift-card-value-overlay {
        padding: 0.7rem 0.9rem;
        min-width: 120px;
        box-shadow: 
            0 4px 16px rgba(0, 0, 0, 0.3),
            0 0 25px rgba(138, 43, 226, 0.3),
            0 0 50px rgba(147, 112, 219, 0.2),
            0 0 80px rgba(138, 43, 226, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
    
    .gift-card-value-overlay .usdt-amount {
        font-size: 1rem;
    }
    
    .gift-card-value-overlay .value-label {
        font-size: 0.6rem;
    }
}

/* Old gift-card-value for backwards compatibility */
.gift-card-value {
    text-align: center;
    margin: 1rem 0;
    padding: 0.8rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    color: white;
}

.usdt-amount {
    font-size: 1.4rem;
    font-weight: bold;
    display: block;
}

.value-label {
    font-size: 0.75rem;
    opacity: 0.9;
    display: block;
    margin-top: 0.2rem;
}

/* Cart Item Value Display */
.cart-item-value {
    margin: 0.5rem 0;
    text-align: center;
}

.cart-usdt-value {
    font-size: 1.1rem;
    font-weight: bold;
    color: #667eea;
}

.cart-value-label {
    font-size: 0.7rem;
    color: #666;
    display: block;
}