/* === GLOBAL STYLES === */
:root {
    --primary: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --secondary: #64748b;
    --accent: #7c3aed;
    --background: linear-gradient(135deg, #f0f9ff 0%, #e6f4ff 100%);
    --surface: rgba(255, 255, 255, 0.9);
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --card-shadow: 0 8px 30px rgba(30, 64, 175, 0.08);
    --card-shadow-hover: 0 15px 40px rgba(30, 64, 175, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --border-radius: 16px;
    --gray-light: #f1f5f9;
    --gray: #64748b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-weight: 400;
    min-height: 100vh;
    width: 100%;
}

body.filter-sidebar-open {
    overflow: hidden;
}

/* === NAVBAR STYLES === */
.navbar-main {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(30, 64, 175, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 5%;
    margin: 1rem 5% 0;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin: 0 auto;
}

.logo {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.8rem;
    background: linear-gradient(to right, #1e40af, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.main-nav-links {
    display: flex;
    gap: 2rem;
}

.main-nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
    padding: 0.5rem 0;
}

.main-nav-links a:hover {
    color: var(--primary);
}

.main-nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #1e40af, #3b82f6);
    transition: var(--transition);
}

.main-nav-links a:hover::after {
    width: 100%;
}

.user-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.user-actions a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

.user-actions a:hover {
    color: var(--primary);
}

.signup-btn {
    background: linear-gradient(90deg, #1e40af, #3b82f6);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
    position: relative;
    overflow: hidden;
}

.signup-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.4);
}

.navbar-secondary {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(30, 64, 175, 0.1);
    position: sticky;
    padding: 0.8rem 5%;
    margin: 1rem 5% 0;
    border: 1px solid rgba(255, 255, 255, 0.8);
    z-index: 99;
}

.secondary-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin: 0 auto;
    gap: 2rem;
}

.search-container {
    display: flex;
    flex: 1;
    max-width: 700px;
}

.search-input {
    flex: 1;
    padding: 0.8rem 1.5rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px 0 0 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.search-btn {
    background: linear-gradient(90deg, #1e40af, #3b82f6);
    color: white;
    border: none;
    padding: 0 1.5rem;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.search-btn:hover {
    background: linear-gradient(90deg, #1e3a8a, #2563eb);
    transform: translateY(-1px);
}

.filter-btn {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid #cbd5e1;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.15);
}

.category-nav {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.category-nav::-webkit-scrollbar {
    display: none;
}

.category-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.category-nav a:hover {
    color: var(--primary);
}

.category-nav a.active {
    color: var(--primary);
    font-weight: 600;
}

.category-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, #1e40af, #3b82f6);
}

/* === MAIN LAYOUT === */
.main-layout {
    display: flex;
    gap: 2rem;
    width: 100%;
    margin: 2rem auto;
    padding: 0 5%;
    position: relative;
    transition: var(--transition);
}

/* === CONTENT AREA === */
.content-area {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    align-content: start;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

/* === FILTER SIDEBAR === */
.filter-sidebar {
    width: 320px;
    background: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    padding: 25px;
    top: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    flex-shrink: 0;
    z-index: 10;
}

/* === MOBILE STYLES === */
.mobile-filter-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    box-shadow: 0 5px 15px rgba(30, 64, 175, 0.4);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-filter-toggle:hover {
    transform: scale(1.1);
}

.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--surface);
    z-index: 1001;
    padding: 2rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    backdrop-filter: blur(10px);
    overflow-y: auto;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.8);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.mobile-nav-links a:hover {
    color: var(--primary);
}

.mobile-user-actions {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-user-actions a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.mobile-user-actions a:hover {
    background: rgba(255, 255, 255, 0.7);
}

.close-mobile-menu {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

/* === RESPONSIVE STYLES === */
@media (max-width: 1200px) {
    .navbar-main, .navbar-secondary {
        padding: 1rem 2%;
        margin: 1rem 2% 0;
    }
    
    .main-layout {
        padding: 0 2%;
    }
}

/* STRICT MOBILE FIX: Hide sidebar completely on mobile */
@media (max-width: 1024px) {
    .main-layout {
        gap: 0;
    }
    
    .filter-sidebar {
        display: none !important; /* Force hide on mobile */
        position: fixed;
        top: 0;
        left: 0;
        width: 320px;
        height: 100vh;
        z-index: 999;
        overflow-y: auto;
        transition: var(--transition);
        box-shadow: 5px 0 25px rgba(0, 0, 0, 0.1);
        border-radius: 0;
        margin: 0;
        padding: 1.5rem;
        transform: translateX(-100%);
    }
    
    .filter-sidebar.mobile-active {
        display: block !important; /* Only show when explicitly activated */
        transform: translateX(0);
    }
    
    .content-area {
        width: 100%;
        padding: 0;
        margin: 0;
        grid-column: 1 / -1;
    }
    
    .mobile-filter-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .mobile-overlay.active {
        display: block;
    }
    
    /* Prevent body scroll when filter is open */
    body.filter-sidebar-open {
        overflow: hidden;
    }
}

@media (max-width: 768px) {
    .main-nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .user-actions {
        display: none;
    }
    
    .navbar-secondary {
        padding: 1rem 2%;
        margin: 1rem 2% 0;
    }
    
    .secondary-nav-container {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
        align-items: stretch;
    }
    
    .search-container {
        max-width: 100%;
        order: 1;
        flex: 1;
    }
    
    .filter-btn {
        order: 2;
        align-self: flex-start;
        margin-left: auto;
    }
    
    .category-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        gap: 1rem;
        padding: 0.5rem 0;
    }
    
    .content-area {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
        padding: 0;
        width: 100%;
    }
    
    .filter-sidebar.mobile-active {
        width: 85%;
        max-width: 320px;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .pagination-numbers {
        order: -1;
        width: 100%;
        justify-content: center;
    }
    
    .page-number {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .location-row {
        flex-direction: column;
        gap: 8px;
    }
    
    .category-nav a {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .navbar-main, .navbar-secondary {
        padding: 0.8rem 4%;
        margin: 0.8rem 4% 0;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .content-area {
        grid-template-columns: 1fr;
        gap: 15px;
        margin: 0;
    }
    
    .filter-sidebar.mobile-active {
        width: 90%;
        padding: 20px;
    }
    
    .price-range {
        flex-direction: column;
    }
    
    .unified-card {
        height: 320px;
    }
    
    .product-card .card-image {
        height: 140px;
    }
    
    .store-card .store-banner-container {
        height: 100px;
    }
    
    .store-card .store-logo {
        width: 50px;
        height: 50px;
        bottom: -25px;
        font-size: 1.2rem;
    }
    
    .store-card .card-content {
        padding: 35px 15px 15px;
    }
    
    .pagination-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .subcategory-group {
        padding-left: 10px;
    }
    
    .filter-section {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    
    .section-title {
        font-size: 1rem;
    }
    
    .filter-sidebar.mobile-active {
        width: 100%;
        border-radius: 0;
    }
    
    /* Ensure content takes full width when sidebar is hidden */
    .main-layout:not(.filter-sidebar-open) .content-area {
        width: 100%;
        margin-left: 0;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .unified-card:hover {
        transform: none;
    }
    
    .signup-btn:hover,
    .search-btn:hover,
    .filter-btn:hover {
        transform: none;
    }
    
    .checkbox-item:hover {
        transform: none;
    }
    
    .page-number:hover:not(.active) {
        transform: none;
    }
}

/* Selection states for dynamic content */
.category-nav a:active {
    transform: scale(0.98);
}

/* Focus styles for accessibility */
.filter-select:focus-visible,
.category-select:focus-visible,
.industry-select:focus-visible,
.subcategory-select:focus-visible,
.location-select:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Smooth transitions for dynamic content */
.content-area {
    transition: opacity 0.3s ease;
}

/* Animation for filter sidebar when opening */
.filter-sidebar.mobile-active {
    animation: slideInLeft 0.3s ease-out;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Improved scrollbar for webkit browsers */
.category-nav::-webkit-scrollbar {
    height: 4px;
    display: block;
}

.category-nav::-webkit-scrollbar-track {
    background: var(--gray-light);
    border-radius: 2px;
}

.category-nav::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 2px;
}

.category-nav::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Print styles */
@media print {
    .navbar-main,
    .navbar-secondary,
    .filter-sidebar,
    .mobile-filter-toggle,
    .pagination {
        display: none;
    }
    
    .main-layout {
        display: block;
    }
    
    .content-area {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .unified-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* === UNIFIED CARD STYLES === */
.unified-card {
    background: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    height: 360px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.unified-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

/* Product Card Specific */
.product-card .card-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    position: relative;
    overflow: hidden;
}

.product-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.product-card .card-image i {
    position: absolute;
    z-index: 1;
}

.product-card .card-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-card .card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card .card-category {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-card .card-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

/* === PAGINATION STYLES === */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 1rem;
    grid-column: 1 / -1;
}

.pagination-btn {
    padding: 0.8rem 1.5rem;
    background: var(--surface);
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Inter', sans-serif;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.pagination-info {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.page-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    background: var(--surface);
    border: 1px solid var(--gray-light);
    font-size: 0.9rem;
}

.page-number.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-number:hover:not(.active) {
    background: var(--gray-light);
    transform: translateY(-1px);
}

/* === LOADING STATES === */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    grid-column: 1 / -1;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-light);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* === NO DATA STATES === */
.no-data {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.no-data i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.no-data h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.no-data p {
    font-size: 1rem;
    opacity: 0.8;
}

/* === CUSTOM NOTIFICATION === */
.custom-notification {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e40af;
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 1002;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 90%;
    text-align: center;
    opacity: 0;
}

.custom-notification-error {
    background: #ef4444;
}

.custom-notification-info {
    background: #3b82f6;
}

/* New Store Card Styles */
.store-banner-container {
    position: relative;
    height: 120px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    overflow: hidden;
}

.store-banner {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.store-banner-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.store-logo {
    position: absolute;
    bottom: -25px;
    left: 20px;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    border: 3px solid white;
}

.store-logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 9px;
}

.store-badges {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 8px;
    z-index: 3;
}

.store-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.store-badge.premium {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.store-badge.verified {
    background: linear-gradient(135deg, #10b981, #059669);
}

.store-badge.selected {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.store-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}

.store-industry,
.store-type {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.store-industry i,
.store-type i {
    width: 16px;
    color: var(--primary);
    font-size: 0.8rem;
}

/* Adjust card content padding for new design */
.store-card .card-content {
    padding: 35px 20px 20px;
}