/* ==========================================================
   NEXORA - Complete Dark Mode Theme Engine (WCAG AA Compliant)
   Controls theme variables and component overrides when
   data-theme="dark" is active on <html>.
   ========================================================== */

[data-theme="dark"] {
    /* Surface and Background Tokens */
    --bg-light: #0b1120;
    --surface-white: #1e293b;
    --surface-secondary: #0f172a;
    --surface-tertiary: #334155;

    /* Typography Contrast Tokens */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-heading: #ffffff;
    --border-color: #334155;
    --border-subtle: #1e293b;

    /* Accent & Brand Overrides for Dark Contrast */
    --dark-navy: #020617;
    --dark-hover: #1e293b;
    --primary-color: #3b82f6;
    --primary-hover: #2563EB;
    --secondary-color: #38bdf8;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
    --shadow-hover: 0 14px 32px rgba(0, 0, 0, 0.65);
}

/* ==========================================================
   1. GLOBAL BODY & HEADER CONTRAST
   ========================================================== */
[data-theme="dark"] body {
    background-color: var(--bg-light);
    color: var(--text-main);
}

/* Fix header logo text visibility: bright white in dark mode */
[data-theme="dark"] .header .logo-name,
[data-theme="dark"] .logo-name {
    color: #ffffff;
}

[data-theme="dark"] .logo-tagline {
    color: var(--text-muted);
}

[data-theme="dark"] .action-btn {
    background-color: var(--surface-white);
    color: var(--text-main);
    border-color: var(--border-color);
}

[data-theme="dark"] .action-btn i {
    color: var(--secondary-color);
}

[data-theme="dark"] .action-btn:hover {
    border-color: var(--primary-color);
    background-color: var(--surface-tertiary);
}

/* ==========================================================
   2. SEARCH BAR, SUGGESTIONS & TAG PILLS
   ========================================================== */
[data-theme="dark"] .searchbar {
    background-color: var(--surface-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .searchbar input {
    color: var(--text-main);
}

[data-theme="dark"] .searchbar input::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .search-suggestions {
    background-color: var(--surface-white);
    border-color: var(--border-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .suggestion-header {
    background-color: var(--surface-secondary);
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .suggestion-header button {
    color: var(--secondary-color);
}

[data-theme="dark"] .suggestion-item {
    border-color: var(--border-color);
}

[data-theme="dark"] .suggestion-item:hover {
    background-color: rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .suggestion-title {
    color: var(--text-main);
}

[data-theme="dark"] .suggestion-price {
    color: var(--secondary-color);
}

[data-theme="dark"] .tag-pill {
    background-color: var(--surface-tertiary);
    color: #e2e8f0;
    border-color: #475569;
}

[data-theme="dark"] .tag-pill:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

/* ==========================================================
   3. NAVIGATION BAR & MEGA DROPDOWN
   ========================================================== */
[data-theme="dark"] .navigation-bar {
    background-color: var(--surface-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .categories {
    background: linear-gradient(135deg, #020617, #0f172a);
    border-color: var(--border-color);
}

[data-theme="dark"] .mega-dropdown {
    background-color: var(--surface-white);
    border-color: var(--border-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.65);
}

[data-theme="dark"] .mega-dropdown a {
    color: #cbd5e1;
    border-color: var(--border-color);
}

[data-theme="dark"] .mega-dropdown a i {
    color: var(--secondary-color);
}

[data-theme="dark"] .mega-dropdown a:hover {
    background-color: var(--surface-tertiary);
    color: var(--secondary-color);
}

[data-theme="dark"] .menu a {
    color: #e2e8f0;
}

[data-theme="dark"] .menu a:hover {
    color: var(--secondary-color);
}

/* ==========================================================
   4. CATEGORY CARDS & PRODUCT CARDS
   ========================================================== */
[data-theme="dark"] .section-title h2 {
    color: var(--text-heading);
}

[data-theme="dark"] .category-card {
    background-color: var(--surface-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .category-card h3 {
    color: var(--text-heading);
}

[data-theme="dark"] .category-card i {
    color: var(--secondary-color);
}

[data-theme="dark"] .category-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
}

[data-theme="dark"] .product-card {
    background-color: var(--surface-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .product-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover);
}

[data-theme="dark"] .product-image-wrap {
    background-color: var(--surface-secondary);
}

[data-theme="dark"] .product-brand-tag {
    color: var(--secondary-color);
}

[data-theme="dark"] .product-title {
    color: var(--text-main);
}

[data-theme="dark"] .product-title:hover {
    color: var(--secondary-color);
}

[data-theme="dark"] .rating-num {
    color: var(--text-main);
}

[data-theme="dark"] .reviews-count {
    color: var(--text-muted);
}

[data-theme="dark"] .current-price {
    color: #ffffff;
}

[data-theme="dark"] .original-price {
    color: #64748b;
}

[data-theme="dark"] .discount-pill {
    background-color: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

[data-theme="dark"] .wishlist-toggle-btn {
    background-color: rgba(30, 41, 59, 0.9);
    border-color: var(--border-color);
    color: var(--text-muted);
}

[data-theme="dark"] .wishlist-toggle-btn:hover,
[data-theme="dark"] .wishlist-toggle-btn.active {
    background-color: var(--surface-white);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

[data-theme="dark"] .btn-view-details {
    background-color: var(--surface-tertiary);
    border-color: #475569;
    color: var(--text-main);
}

[data-theme="dark"] .btn-view-details:hover {
    background-color: #475569;
    color: var(--secondary-color);
}

/* ==========================================================
   5. TOOLBAR, SELECT & PAGINATION
   ========================================================== */
[data-theme="dark"] .product-toolbar {
    background-color: var(--surface-white);
    border-color: var(--border-color);
}

[data-theme="dark"] #active-category-label {
    color: var(--text-heading);
}

[data-theme="dark"] .reset-filter-btn {
    background-color: var(--surface-tertiary);
    border-color: #475569;
    color: #cbd5e1;
}

[data-theme="dark"] .reset-filter-btn:hover {
    background-color: #475569;
    color: #ffffff;
}

[data-theme="dark"] .toolbar-right label {
    color: var(--text-muted);
}

[data-theme="dark"] .toolbar-right select {
    background-color: var(--surface-white);
    border-color: var(--border-color);
    color: var(--text-main);
}

[data-theme="dark"] .page-btn {
    background-color: var(--surface-white);
    border-color: var(--border-color);
    color: #e2e8f0;
}

[data-theme="dark"] .page-btn:hover {
    border-color: var(--primary-color);
    color: var(--secondary-color);
}

[data-theme="dark"] .page-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

/* ==========================================================
   6. CART DRAWER & OVERLAY
   ========================================================== */
[data-theme="dark"] .cart-drawer {
    background-color: var(--surface-white);
    border-left: 1px solid var(--border-color);
}

[data-theme="dark"] .cart-header {
    border-color: var(--border-color);
}

[data-theme="dark"] .cart-header h3 {
    color: var(--text-heading);
}

[data-theme="dark"] #close-cart-btn {
    color: var(--text-muted);
}

[data-theme="dark"] #close-cart-btn:hover {
    color: var(--text-main);
}

[data-theme="dark"] .cart-item {
    border-color: var(--border-color);
}

[data-theme="dark"] .cart-item-details h4 {
    color: var(--text-main);
}

[data-theme="dark"] .cart-item-price {
    color: var(--text-muted);
}

[data-theme="dark"] .qty-control {
    border-color: var(--border-color);
}

[data-theme="dark"] .qty-control button {
    background-color: var(--surface-tertiary);
    color: var(--text-main);
}

[data-theme="dark"] .qty-control button:hover {
    background-color: #475569;
}

[data-theme="dark"] .qty-control span {
    color: var(--text-main);
}

[data-theme="dark"] .item-total,
[data-theme="dark"] .total-price {
    color: #ffffff;
}

[data-theme="dark"] .btn-remove {
    color: var(--text-muted);
}

[data-theme="dark"] .btn-remove:hover {
    color: var(--danger-color);
}

[data-theme="dark"] .cart-footer {
    background-color: var(--surface-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .total-row {
    border-color: var(--border-color);
    color: #ffffff;
}

/* ==========================================================
   7. QUICK VIEW MODAL & EMPTY STATES
   ========================================================== */
[data-theme="dark"] .modal-box {
    background-color: var(--surface-white);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-close {
    background-color: var(--surface-tertiary);
    color: var(--text-main);
}

[data-theme="dark"] .modal-close:hover {
    background-color: #475569;
}

[data-theme="dark"] .modal-product-details h2 {
    color: var(--text-heading);
}

[data-theme="dark"] .product-desc {
    color: #cbd5e1;
}

[data-theme="dark"] .modal-view-full-btn {
    background-color: var(--surface-tertiary);
    border-color: #475569;
    color: var(--text-main);
}

[data-theme="dark"] .empty-state,
[data-theme="dark"] .empty-drawer {
    background-color: var(--surface-secondary);
    border-color: var(--border-color);
}

/* ==========================================================
   8. SKELETON LOADERS & TOAST NOTIFICATIONS
   ========================================================== */
[data-theme="dark"] .skeleton {
    background: linear-gradient(90deg, #1e293b 25%, #334155 50%, #1e293b 75%);
    background-size: 200% 100%;
}

[data-theme="dark"] .skeleton-card {
    background-color: var(--surface-white);
    border-color: var(--border-color);
}

[data-theme="dark"] .toast {
    background-color: #020617;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

/* ==========================================================
   9. FOOTER & NEWSLETTER FORM
   ========================================================== */
[data-theme="dark"] .footer {
    background-color: #020617;
}

[data-theme="dark"] .footer-col h3 {
    color: #ffffff;
}

[data-theme="dark"] .footer-col ul li a {
    color: #94a3b8;
}

[data-theme="dark"] .footer-col ul li a:hover {
    color: var(--secondary-color);
}

[data-theme="dark"] .newsletter-form input {
    background-color: #0f172a;
    border-color: var(--border-color);
    color: #ffffff;
}

[data-theme="dark"] .newsletter-form input:focus {
    border-color: var(--primary-color);
}

[data-theme="dark"] .footer-bottom {
    background-color: #020617;
    border-color: rgba(255, 255, 255, 0.08);
}