:root {
    /* Purple theme from logo */
    --primary: #6C3FE4;
    --primary-dark: #5530C7;
    --primary-light: #8B5FFF;

    /* Light mode colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #F1F3F5;
    --text-primary: #1A1A1A;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);

    /* Spacing */
    --header-height: 80px;
    --sidebar-width: 280px;
    --gap: 20px;
    --radius: 12px;
    --radius-sm: 8px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: #1A1A1A;
    --bg-secondary: #242424;
    --bg-tertiary: #2E2E2E;
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --border: #374151;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-lg: rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    transition: var(--transition);
}

.header-content {
    width: 100%;
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
}

.logo img {
    height: 32px;
    width: auto;
}

.search-container {
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 0 16px;
    transition: var(--transition);
}

.search-bar:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 63, 228, 0.1);
}

.search-icon {
    color: var(--text-secondary);
    margin-right: 12px;
}

#searchInput {
    flex: 1;
    border: none;
    background: transparent;
    padding: 14px 0;
    font-size: 15px;
    color: var(--text-primary);
    outline: none;
}

#searchInput::placeholder {
    color: var(--text-secondary);
}

.image-search-btn,
.camera-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-search-btn:hover,
.camera-btn:hover {
    background: var(--bg-tertiary);
    color: var(--primary);
}

.header-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.filter-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    display: none;
    /* Hidden on desktop by default, shown on mobile via media query */
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

@media (max-width: 1024px) {
    .filter-toggle {
        display: flex;
    }
}

.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.filter-toggle:hover,
.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
}

.theme-toggle {
    padding: 10px;
}

.sun-icon,
.moon-icon {
    transition: var(--transition);
}

[data-theme="dark"] .sun-icon {
    display: none;
}

[data-theme="light"] .moon-icon {
    display: none;
}

/* Main Content */
.main-content {
    margin-top: var(--header-height);
    display: flex;
    min-height: calc(100vh - var(--header-height));
}

/* Filters Sidebar */
.filters-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--bg-primary);
    border-right: 1px solid var(--border);
    padding: 24px;
    height: calc(100vh - var(--header-height));
    position: sticky;
    top: var(--header-height);
    overflow-y: auto;
    transition: var(--transition);
}

.filters-sidebar.hidden {
    margin-left: calc(-1 * var(--sidebar-width));
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.filters-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.clear-filters {
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.clear-filters:hover {
    text-decoration: underline;
}

.filter-group {
    margin-bottom: 20px;
}

.filter-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.filter-group select,
.filter-group input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.filter-group select:focus,
.filter-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
}

.price-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
}

.price-inputs input {
    flex: 1;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* Products Container */
.products-container {
    flex: 1;
    padding: var(--gap);
}

.results-info {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--gap);
    margin-bottom: 40px;
}

.product-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px var(--shadow-lg);
    border-color: var(--primary);
}

.product-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.product-info {
    padding: 16px;
}

.product-title {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-vendor {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.product-price {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.product-meta-left {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.product-meta-left span {
    padding: 4px 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
}

.product-domain {
    font-size: 11px;
    color: var(--text-secondary);
    opacity: 0.7;
    text-align: right;
    flex-shrink: 0;
}

.product-date-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 11px;
    color: var(--text-secondary);
    opacity: 0.8;
}

.product-date {
    font-size: 11px;
    color: var(--text-secondary);
}

.product-domain-inline {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: right;
}

/* Loading Indicator */
.loading-indicator {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 40px;
    color: var(--text-secondary);
}

.loading-indicator.visible {
    display: flex;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.no-results {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.no-results svg {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.no-results h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 28px;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

#cameraVideo {
    width: 100%;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
}

.modal-footer {
    display: flex;
    gap: 12px;
    padding: 20px;
    border-top: 1px solid var(--border);
    justify-content: flex-end;
}

.btn-primary,
.btn-secondary {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

/* Responsive */
@media (max-width: 1024px) {
    .filters-sidebar {
        position: fixed;
        left: 0;
        top: var(--header-height);
        height: calc(100vh - var(--header-height));
        z-index: 50;
        transform: translateX(-100%);
    }

    .filters-sidebar.active {
        transform: translateX(0);
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }

    .logo span {
        display: none;
    }

    .search-container {
        order: 3;
        width: 100%;
        max-width: 100%;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }
}

.filter-hint {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
    font-style: italic;
}

/* Filter actions */
.filter-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.collapse-filters {
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.collapse-filters:hover {
    background: var(--hover);
    color: var(--text-primary);
}

.collapse-filters svg {
    transition: transform 0.3s;
}

.filters-sidebar.collapsed .collapse-filters svg {
    transform: rotate(180deg);
}

.filters-sidebar.collapsed .filter-group {
    display: none;
}

.filters-sidebar.collapsed {
    width: 60px;
}

.filters-sidebar.collapsed .filters-header h2 {
    display: none;
}

.filters-sidebar.collapsed .clear-filters {
    display: none;
}

/* Product Detail Page */
.product-detail-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    margin-top: 40px;
    /* Added extra top margin */
}

.breadcrumb {
    margin-bottom: 24px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--primary);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 24px;
}

.product-detail-image {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.product-detail-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.product-detail-price {
    font-size: 28px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 32px;
}

.price-range {
    color: var(--text-secondary);
    font-size: 24px;
}

.product-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
    padding: 24px;
    background: var(--card-bg);
    border-radius: 12px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
}

.meta-value {
    font-size: 16px;
    color: var(--text-primary);
}

.product-description {
    margin-bottom: 32px;
}

.product-description h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-description p {
    line-height: 1.6;
    color: var(--text-secondary);
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.tag {
    padding: 6px 12px;
    background: var(--hover);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-primary);
}

.product-actions {
    display: flex;
    gap: 12px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 63, 228, 0.3);
}

.product-loading,
.error-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px 24px;
    text-align: center;
}

.error-message svg {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .product-meta-grid {
        grid-template-columns: 1fr;
    }
}

/* Compare price styling */
.compare-price {
    display: block;
    font-size: 16px;
    color: var(--text-secondary);
    text-decoration: line-through;
    margin-top: 8px;
}

/* Product Landing Page Enhancements */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
}

.breadcrumb-separator {
    color: var(--text-secondary);
}

.breadcrumb-current {
    color: var(--text-secondary);
}

.product-badge {
    display: inline-block;
    padding: 6px 12px;
    background: #10b981;
    color: white;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.stars {
    color: #fbbf24;
    font-size: 18px;
}

.rating-count {
    color: var(--text-secondary);
    font-size: 14px;
}

.product-image-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.gallery-thumb {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.gallery-thumb:hover {
    border-color: var(--primary);
}

.gallery-thumb.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(108, 63, 228, 0.2);
}

.product-shipping {
    padding: 16px;
    background: var(--hover);
    border-radius: 8px;
    margin-bottom: 24px;
}

.product-shipping h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.product-shipping p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.product-timestamps {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.product-timestamps p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 4px 0;
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

@media (max-width: 768px) {
    .product-image-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Search mode tabs */
.search-mode-tabs {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.search-mode-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: transparent;
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.search-mode-tab:hover {
    background: var(--bg-secondary);
    border-color: var(--primary);
    color: var(--text-primary);
}

.search-mode-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.search-mode-tab svg {
    flex-shrink: 0;
}

.search-mode-tab span {
    display: none;
}

@media (min-width: 900px) {
    .search-mode-tab span {
        display: inline;
    }
}

/* Keyword filter inputs */
.keyword-filters {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.keyword-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.keyword-input:focus {
    outline: none;
    border-color: var(--primary);
}

.keyword-input::placeholder {
    color: var(--text-secondary);
}

/* Broken image placeholder */
.product-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-secondary);
    border-radius: var(--radius);
}

.product-image-placeholder svg {
    opacity: 0.5;
}

.product-image-placeholder span {
    font-size: 12px;
    opacity: 0.6;
}

/* Sidebar links */
.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
}

.sidebar-link:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--primary);
}

.sidebar-logout {
    color: #ef4444;
    width: 100%;
    justify-content: flex-start;
}

.sidebar-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #ef4444;
}

/* Product Proxy View Button */
.product-proxy-btn {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    opacity: 0;
    transform: scale(0.8);
    box-shadow: 0 2px 8px rgba(108, 63, 228, 0.4);
}

.product-card:hover .product-proxy-btn {
    opacity: 1;
    transform: scale(1);
}

.product-proxy-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.product-info {
    position: relative;
}