/**
 * Žluté Stránky - Kategorie CSS
 * 
 * Styly specifické pro stránku kategorií.
 * Legendary, engaging, playful & gamified!
 * 
 * @package ZluteStranky
 * @subpackage Frontend
 */

/* ==========================================
   CATEGORIES HERO
   ========================================== */
.categories-hero {
    padding: calc(var(--header-height) + 40px) 2rem 50px;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-100) 100%);
    position: relative;
    overflow: hidden;
}

.categories-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--color-yellow-glow) 0%, transparent 60%);
    pointer-events: none;
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.categories-hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

.hero-text {
    max-width: 600px;
}

/* Right column - stats + search on desktop */
.hero-right-column {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: stretch; /* Changed from flex-end to stretch */
    min-width: 420px; /* Ensure enough space for search box */
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-yellow-light);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.categories-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.categories-hero h1 .highlight {
    background: linear-gradient(135deg, var(--color-yellow) 0%, var(--color-yellow-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Hero Stats */
.hero-stats-row {
    display: flex;
    gap: 1rem;
}

.hero-stat-card {
    background: var(--color-white);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    text-align: center;
    min-width: 130px;
    transition: var(--transition-base);
}

.hero-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.hero-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 0.25rem;
}

.hero-stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Category Search */
.category-search-box {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center;
    justify-content: stretch;
    padding: 0.5rem;
    width: 100%;
}

/* Desktop search - visible, full width of right column */
.category-search-desktop {
    display: flex !important;
    max-width: none;
}

/* Mobile search - hidden on desktop */
.category-search-mobile {
    display: none !important;
    max-width: 500px;
}

.category-search-input {
    flex: 1 1 auto;
    min-width: 0; /* Allows input to shrink below content size */
    width: auto;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    background: transparent;
    border: none;
    outline: none;
}

.category-search-input::placeholder {
    color: var(--color-gray-400);
}

.category-search-btn {
    flex: 0 0 auto; /* Don't grow, don't shrink */
    margin-left: auto;
    padding: 0.875rem 1.5rem;
    background: var(--color-yellow);
    border-radius: var(--radius-lg);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
    white-space: nowrap;
    border: none;
    cursor: pointer;
}

.category-search-btn:hover {
    background: var(--color-yellow-dark);
}

/* ==========================================
   MAIN LAYOUT
   ========================================== */
.categories-main {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
}

/* ==========================================
   SIDEBAR
   ========================================== */
.categories-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 20px);
    height: fit-content;
}

.sidebar-section {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.sidebar-header {
    padding: 1rem 1.25rem;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Category Tree */
.category-tree {
    padding: 0.75rem;
}

.category-tree-item {
    border-radius: var(--radius-md);
    margin-bottom: 0.25rem;
    overflow: hidden;
}

.category-tree-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: var(--radius-md);
}

.category-tree-header:hover {
    background: var(--color-gray-50);
}

.category-tree-item.active > .category-tree-header {
    background: var(--color-yellow-light);
}

.category-tree-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
    background: var(--color-gray-100);
}

/* Category tree icon colors */
.category-tree-icon[data-color="food"] { background: rgba(239, 68, 68, 0.1); }
.category-tree-icon[data-color="services"] { background: rgba(59, 130, 246, 0.1); }
.category-tree-icon[data-color="health"] { background: rgba(16, 185, 129, 0.1); }
.category-tree-icon[data-color="auto"] { background: rgba(99, 102, 241, 0.1); }
.category-tree-icon[data-color="beauty"] { background: rgba(236, 72, 153, 0.1); }
.category-tree-icon[data-color="home"] { background: rgba(245, 158, 11, 0.1); }
.category-tree-icon[data-color="sports"] { background: rgba(20, 184, 166, 0.1); }
.category-tree-icon[data-color="education"] { background: rgba(139, 92, 246, 0.1); }
.category-tree-icon[data-color="tech"] { background: rgba(6, 182, 212, 0.1); }
.category-tree-icon[data-color="legal"] { background: rgba(100, 116, 139, 0.1); }

.category-tree-info {
    flex: 1;
    min-width: 0;
}

.category-tree-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-black);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-tree-count {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.category-tree-expand {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

.category-tree-item.expanded > .category-tree-header .category-tree-expand {
    transform: rotate(90deg);
}

/* Subcategories */
.category-subcategories {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.category-tree-item.expanded > .category-subcategories {
    max-height: 500px;
}

.subcategory-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.75rem 0.625rem 3.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: var(--transition-fast);
}

.subcategory-item:hover {
    color: var(--color-black);
    background: var(--color-gray-50);
}

.subcategory-item.active {
    color: var(--color-black);
    font-weight: 600;
    background: var(--color-yellow-light);
}

.subcategory-count {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

/* Quick Filters */
.quick-filters {
    padding: 1rem 1.25rem;
}

.quick-filter-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    color: var(--color-gray-700);
}

.quick-filter-item:hover {
    color: var(--color-black);
}

.quick-filter-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-gray-300);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.quick-filter-item:hover .quick-filter-checkbox {
    border-color: var(--color-yellow);
}

.quick-filter-item.active {
    color: var(--color-black);
    font-weight: 600;
}

.quick-filter-item.active .quick-filter-checkbox {
    background: var(--color-yellow);
    border-color: var(--color-yellow);
}

.quick-filter-item.active .quick-filter-checkbox::after {
    content: '✓';
    font-size: 0.6875rem;
    font-weight: 700;
}

/* Gamification Widget */
.gamification-widget {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    border: 2px solid var(--color-yellow);
    position: relative;
    overflow: hidden;
}

.gamification-widget::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: var(--color-yellow-light);
    border-radius: 50%;
    opacity: 0.5;
}

.gamification-widget-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    position: relative;
}

.gamification-widget-icon {
    width: 44px;
    height: 44px;
    background: var(--color-yellow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.gamification-widget-title {
    font-size: 1rem;
    font-weight: 700;
}

.gamification-widget-subtitle {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.achievement-preview {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.achievement-item {
    flex: 1;
    text-align: center;
    padding: 0.625rem 0.375rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.achievement-item:hover {
    background: var(--color-yellow-light);
    transform: scale(1.05);
}

.achievement-icon {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.achievement-label {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-gray-500);
}

/* ==========================================
   CONTENT AREA
   ========================================== */
.categories-content {
    min-width: 0;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-item a {
    transition: var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--color-black);
}

.breadcrumb-item.current {
    color: var(--color-black);
    font-weight: 600;
}

.breadcrumb-sep {
    color: var(--color-gray-300);
}

/* Promo Banner */
.promo-banner {
    background: linear-gradient(135deg, var(--color-yellow) 0%, var(--color-yellow-dark) 100%);
    border-radius: var(--radius-xl);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.promo-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.promo-icon {
    font-size: 3rem;
    flex-shrink: 0;
    order: 1; /* Move to the end on desktop */
    animation: bounce-subtle 2s ease-in-out infinite;
}

@keyframes bounce-subtle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.promo-content {
    flex: 1;
    order: 0;
}

.promo-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.375rem;
}

.promo-text {
    font-size: 0.875rem;
    color: var(--color-gray-800);
    opacity: 0.9;
}

.promo-actions {
    flex-shrink: 0;
    order: 0;
}

/* ==========================================
   POPULAR CATEGORIES
   ========================================== */
.popular-categories-section {
    margin-bottom: 3rem;
}

.cat-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.cat-section-title {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.cat-section-title-icon {
    font-size: 1.75rem;
}

.cat-section-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: var(--transition-fast);
}

.cat-section-link:hover {
    color: var(--color-black);
}

.popular-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.popular-category-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.popular-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--cat-color, var(--color-yellow));
}

.popular-category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

/* Category color variants */
.popular-category-card[data-color="food"] { --cat-color: var(--color-cat-food); }
.popular-category-card[data-color="services"] { --cat-color: var(--color-cat-services); }
.popular-category-card[data-color="health"] { --cat-color: var(--color-cat-health); }
.popular-category-card[data-color="auto"] { --cat-color: var(--color-cat-auto); }
.popular-category-card[data-color="beauty"] { --cat-color: var(--color-cat-beauty); }
.popular-category-card[data-color="home"] { --cat-color: var(--color-cat-home); }
.popular-category-card[data-color="sports"] { --cat-color: var(--color-cat-sports); }
.popular-category-card[data-color="education"] { --cat-color: var(--color-cat-education); }
.popular-category-card[data-color="tech"] { --cat-color: var(--color-cat-tech); }
.popular-category-card[data-color="legal"] { --cat-color: var(--color-cat-legal); }

.popular-category-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1rem;
    background: var(--icon-bg, var(--color-gray-100));
}

.popular-category-card[data-color="food"] .popular-category-icon { --icon-bg: rgba(239, 68, 68, 0.1); }
.popular-category-card[data-color="services"] .popular-category-icon { --icon-bg: rgba(59, 130, 246, 0.1); }
.popular-category-card[data-color="health"] .popular-category-icon { --icon-bg: rgba(16, 185, 129, 0.1); }
.popular-category-card[data-color="auto"] .popular-category-icon { --icon-bg: rgba(99, 102, 241, 0.1); }
.popular-category-card[data-color="beauty"] .popular-category-icon { --icon-bg: rgba(236, 72, 153, 0.1); }
.popular-category-card[data-color="home"] .popular-category-icon { --icon-bg: rgba(245, 158, 11, 0.1); }
.popular-category-card[data-color="sports"] .popular-category-icon { --icon-bg: rgba(20, 184, 166, 0.1); }
.popular-category-card[data-color="education"] .popular-category-icon { --icon-bg: rgba(139, 92, 246, 0.1); }

.popular-category-name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.375rem;
}

.popular-category-count {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 0.75rem;
}

.popular-category-subcats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.subcat-tag {
    padding: 0.25rem 0.5rem;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: var(--transition-fast);
}

.popular-category-card:hover .subcat-tag {
    background: var(--color-yellow-light);
}

/* ==========================================
   FEATURED SECTION
   ========================================== */
.featured-section {
    margin-bottom: 3rem;
}

.featured-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
}

.featured-tabs::-webkit-scrollbar {
    height: 4px;
}

.featured-tabs::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: 2px;
}

.featured-tabs::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 2px;
}

.featured-tab {
    padding: 0.625rem 1.25rem;
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition-fast);
}

.featured-tab:hover {
    border-color: var(--color-gray-400);
}

.featured-tab.active {
    background: var(--color-yellow);
    border-color: var(--color-yellow);
}

/* Featured Grid */
.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.featured-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: var(--transition-base);
}

.featured-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.featured-card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: var(--color-gray-100);
}

.featured-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.featured-card:hover .featured-card-image img {
    transform: scale(1.05);
}

.featured-card-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    gap: 0.5rem;
}

.card-badge {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-featured {
    background: var(--color-yellow);
    color: var(--color-black);
}

.badge-verified {
    background: var(--color-success);
    color: var(--color-white);
}

.badge-new {
    background: var(--color-info);
    color: var(--color-white);
}

.badge-top {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: var(--color-black);
}

.featured-card-favorite {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
}

.featured-card-favorite:hover {
    background: var(--color-white);
    transform: scale(1.1);
}

.featured-card-favorite.active {
    color: var(--color-error);
}

.featured-card-content {
    padding: 1.25rem;
}

.featured-card-category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.featured-card-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.featured-card-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rating-stars {
    color: var(--color-yellow);
    font-size: 0.875rem;
    letter-spacing: -1px;
}

.rating-value {
    font-weight: 700;
    font-size: 0.9375rem;
}

.rating-count {
    color: var(--color-gray-500);
    font-size: 0.8125rem;
}

/* Featured Services */
.featured-services {
    margin-bottom: 1rem;
}

.featured-services-title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: 0.5rem;
}

.featured-services-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.service-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.service-tag.highlight {
    background: var(--color-yellow-light);
    color: var(--color-black);
}

.service-tag-icon {
    font-size: 0.875rem;
}

/* Card Meta */
.featured-card-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-100);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* Circle Indicator */
.card-circle-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: var(--circle-bg, var(--color-gray-100));
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.75rem;
}

.card-circle-indicator[data-circle="home"] {
    --circle-bg: rgba(255, 149, 0, 0.15);
    color: var(--color-home);
}

.card-circle-indicator[data-circle="work"] {
    --circle-bg: rgba(59, 130, 246, 0.15);
    color: var(--color-work);
}

.card-circle-indicator[data-circle="vacation"] {
    --circle-bg: rgba(16, 185, 129, 0.15);
    color: var(--color-vacation);
}

/* Card Actions */
.featured-card-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.featured-card-actions .btn {
    flex: 1;
}

/* ==========================================
   ALL CATEGORIES SECTION
   ========================================== */
.all-categories-section {
    margin-bottom: 3rem;
}

.category-group {
    margin-bottom: 2rem;
}

.category-group-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-gray-200);
}

.category-group-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--color-gray-100);
}

/* Category group icon colors */
.category-group-icon[data-color="food"] { background: rgba(239, 68, 68, 0.1); }
.category-group-icon[data-color="services"] { background: rgba(59, 130, 246, 0.1); }
.category-group-icon[data-color="health"] { background: rgba(16, 185, 129, 0.1); }
.category-group-icon[data-color="auto"] { background: rgba(99, 102, 241, 0.1); }
.category-group-icon[data-color="beauty"] { background: rgba(236, 72, 153, 0.1); }
.category-group-icon[data-color="home"] { background: rgba(245, 158, 11, 0.1); }
.category-group-icon[data-color="sports"] { background: rgba(20, 184, 166, 0.1); }
.category-group-icon[data-color="education"] { background: rgba(139, 92, 246, 0.1); }
.category-group-icon[data-color="tech"] { background: rgba(6, 182, 212, 0.1); }
.category-group-icon[data-color="legal"] { background: rgba(100, 116, 139, 0.1); }

.category-group-info {
    flex: 1;
}

.category-group-name {
    font-size: 1.25rem;
    font-weight: 700;
}

.category-group-count {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.category-group-subcats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.75rem;
}

.subcat-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.subcat-link:hover {
    background: var(--color-yellow-light);
    transform: translateX(4px);
}

.subcat-link-name {
    font-weight: 500;
}

.subcat-link-count {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    background: var(--color-gray-100);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

.stagger-1 { animation-delay: 0.1s; opacity: 0; }
.stagger-2 { animation-delay: 0.2s; opacity: 0; }
.stagger-3 { animation-delay: 0.3s; opacity: 0; }
.stagger-4 { animation-delay: 0.4s; opacity: 0; }
.stagger-5 { animation-delay: 0.5s; opacity: 0; }
.stagger-6 { animation-delay: 0.6s; opacity: 0; }

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1200px) {
    .categories-main {
        grid-template-columns: 1fr;
    }

    .categories-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .sidebar-section {
        margin-bottom: 0;
    }

    .gamification-widget {
        grid-column: span 2;
    }
}

/* Medium screens - hero stacks but not full mobile yet */
@media (max-width: 1024px) {
    .hero-right-column {
        min-width: 350px;
    }
}

@media (max-width: 900px) {
    .hero-top-row {
        flex-direction: column;
    }
    
    .hero-right-column {
        min-width: 0;
        width: 100%;
        order: -1;
    }
    
    .hero-stats-row {
        justify-content: center;
    }
    
    /* Show mobile search, hide desktop search */
    .category-search-mobile {
        display: flex !important;
        margin-top: 1.5rem;
    }
    
    .category-search-desktop {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .categories-hero {
        padding: calc(var(--header-height) + 20px) 1rem 40px;
    }

    .categories-hero h1 {
        font-size: 2rem;
    }

    .hero-stat-card {
        flex: 1;
        min-width: auto;
        padding: 1rem;
    }

    .hero-stat-value {
        font-size: 1.5rem;
    }

    .categories-main {
        padding: 1.5rem 1rem;
    }

    .categories-sidebar {
        grid-template-columns: 1fr;
    }

    .gamification-widget {
        grid-column: auto;
    }

    .featured-grid {
        grid-template-columns: 1fr;
    }

    .popular-categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .promo-banner {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .promo-icon {
        font-size: 3rem;
        order: -1; /* Move back to top on mobile */
    }
    
    .promo-content {
        order: 0;
    }
    
    .promo-actions {
        order: 1;
    }

    .promo-title {
        font-size: 1.125rem;
    }

    .category-group-subcats {
        grid-template-columns: 1fr;
    }
}

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

    .hero-stats-row {
        flex-direction: column;
    }

    .hero-stat-card {
        width: 100%;
    }

    .achievement-preview {
        gap: 0.375rem;
    }

    .achievement-item {
        padding: 0.5rem 0.25rem;
    }

    .achievement-icon {
        font-size: 1rem;
    }
}