/* Collocations Dictionary Specific Styles */

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, 
        var(--primary-blue) 0%, 
        var(--primary-blue-light) 50%, 
        var(--accent-green) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><path d="M0,0 C300,100 700,0 1000,50 L1000,100 L0,100 Z"/></svg>');
    background-size: cover;
    background-position: bottom;
}

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

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

.hero-search {
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.hero-search .search-form {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-xl);
}

.hero-search .search-input {
    border: none;
    box-shadow: none;
    font-size: 1rem;
    padding: var(--spacing-md);
    background: transparent;
}

.hero-search .search-button {
    background: var(--primary-blue);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
}

.search-hints {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.hint-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

.hint-tag {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.hint-tag:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Headword Page Styles */
.headword-page {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-2xl);
}

.headword-header {
    background: linear-gradient(135deg, var(--gray-50), white);
    padding: var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.headword-title-section {
    margin-bottom: var(--spacing-xl);
}

.headword-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-md);
}

.headword-stats {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.headword-stats .stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.headword-stats .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin: 0;
}

.headword-stats .stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

/* Category Navigation - Tag Style */
.category-nav {
    background: var(--gray-50);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.category-list {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px 8px;
    background: var(--gray-200);
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.7rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.category-link:hover {
    background: var(--gray-300);
    border-color: var(--gray-400);
    transform: translateY(-1px);
}

.category-link.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: white;
}

.category-count {
    font-size: 0.7rem;
    opacity: 0.8;
}

.category-link:hover .category-count {
    opacity: 1;
}

.category-link.active .category-count {
    opacity: 0.9;
}

/* Category Sections */
.categories-content {
    padding: var(--spacing-2xl);
}

.category-section {
    margin-bottom: var(--spacing-3xl);
}

.category-header {
    margin-bottom: var(--spacing-xl);
}

.category-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--primary-blue);
    display: inline-block;
}

.category-description {
    color: var(--gray-600);
    font-size: 1rem;
    margin: 0;
}

/* Collocations Grid */
.collocations-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.collocation-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.collocation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-blue);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.collocation-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.collocation-card:hover::before {
    opacity: 1;
}

.collocation-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.collocation-phrase {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 var(--spacing-sm) var(--spacing-xs) 0;
}

.collocation-usage {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
    margin: 0;
}

.collocation-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.action-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.action-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    background: var(--gray-50);
}

.bookmark-btn.active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: white;
}

/* Frequency Indicator */
.frequency-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.frequency-score {
    font-weight: 600;
    color: var(--primary-blue);
}

.frequency-bars {
    display: flex;
    gap: 2px;
}

.frequency-bar {
    width: 4px;
    height: 16px;
    background: var(--gray-200);
    border-radius: 2px;
}

.frequency-bar.active {
    background: var(--primary-blue);
}

/* Examples Section */
.examples-section {
    margin-top: var(--spacing-lg);
}

.examples-header {
    margin-bottom: var(--spacing-md);
}

.examples-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin: 0;
}

.examples-list {
    list-style: none;
}

.example-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.95rem;
    line-height: 1.6;
}

.example-item:last-child {
    border-bottom: none;
}

.example-text {
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.example-text mark {
    background: linear-gradient(120deg, var(--accent-green) 0%, var(--accent-green-light) 100%);
    color: white;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

.show-more-examples {
    color: var(--primary-blue);
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    background: none;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

.show-more-examples:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}

/* Features Section */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--gray-600);
    margin: 0;
}

/* Popular Section */
.popular-section {
    padding: var(--spacing-3xl) 0;
}

.popular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.popular-word {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.popular-word:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.popular-word-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.popular-word-count {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin: 0;
}

.popular-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

/* Page Navigation */
.page-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--spacing-sm);
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--gray-600);
}

.modal-body {
    padding: var(--spacing-xl);
    max-height: 60vh;
    overflow-y: auto;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #2563eb, #3b82f6, #10b981);
    color: white;
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.cta-description {
    font-size: 1.125rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: white;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .headword-title {
        font-size: 2rem;
    }
    
    .headword-stats {
        flex-direction: column;
    }
    
    .category-list {
        flex-direction: column;
    }
    
    .collocation-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .popular-actions,
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .page-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}
/* Categories Section - 重新设计为列表式 */
.categories-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-subtitle {
    color: var(--gray-600);
    font-size: 1rem;
    margin-top: var(--spacing-sm);
}

.categories-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.category-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

.category-item:hover {
    border-color: var(--primary-blue);
    background: var(--gray-50);
    transform: translateX(4px);
}

.category-badge {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

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

.category-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 2px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-meta {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.category-arrow {
    color: var(--gray-400);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.category-item:hover .category-arrow {
    color: var(--primary-blue);
    transform: translateX(4px);
}

/* Tips Section - 精简横幅式 */
.tips-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.tips-banner {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-left: 4px solid var(--accent-green);
    box-shadow: var(--shadow-sm);
}

.tips-banner-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-md) 0;
}

.tips-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tip-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.tip-bullet {
    color: var(--accent-green);
    font-size: 1.2rem;
    font-weight: bold;
    line-height: 1.5;
}

.tip-content {
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Category Page Styles */
.category-page {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-2xl);
}

.category-page .category-header {
    background: linear-gradient(135deg, var(--gray-50), white);
    padding: var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.category-page .category-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-md);
    border: none;
    padding: 0;
}

.category-page .category-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.category-page .category-stats {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.category-page .stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.category-page .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.category-page .stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
}

/* Filter Section */
.filter-section {
    background: var(--gray-50);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.filter-controls {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.filter-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    background: white;
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-select:hover {
    border-color: var(--primary-blue);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Words Section */
.words-section {
    padding: var(--spacing-2xl);
}

.words-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.word-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.word-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-blue);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.word-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.word-card:hover::before {
    opacity: 1;
}

.word-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.word-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    flex: 1;
}

.word-title a {
    color: var(--gray-900);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.word-title a:hover {
    color: var(--primary-blue);
}

.frequency-indicator.mini {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: var(--spacing-md);
}

.frequency-indicator.mini .frequency-score {
    color: white;
}

.word-stats {
    margin-bottom: var(--spacing-md);
}

.collocation-count {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

.word-preview {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-100);
}

.preview-collocations {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.preview-collocation {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-700);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.preview-collocation:hover {
    background: var(--primary-blue);
    color: white;
}

.preview-more {
    display: inline-block;
    color: var(--gray-500);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-style: italic;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .categories-showcase {
        grid-template-columns: 1fr;
    }
    
    .tips-banner {
        padding: var(--spacing-md);
    }
    
    .category-title {
        font-size: 0.9rem;
    }
    
    .category-page .category-title {
        font-size: 1.75rem;
    }
    
    .category-page .category-stats {
        flex-direction: column;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .words-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-section {
        padding: var(--spacing-md);
    }
    
    .words-section {
        padding: var(--spacing-md);
    }
}

/* Dark Mode Overrides for Collocation-Specific Components */

[data-theme="dark"] .collocation-card {
    background: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .collocation-card:hover {
    background: var(--bg-elevated);
    border-color: var(--primary-blue);
}

[data-theme="dark"] .collocation-header {
    color: var(--text-primary);
    border-bottom-color: var(--border-primary);
}

[data-theme="dark"] .collocation-type {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

[data-theme="dark"] .frequency-badge {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

[data-theme="dark"] .frequency-high {
    background: var(--accent-green);
    color: var(--gray-900);
}

[data-theme="dark"] .frequency-medium {
    background: var(--primary-blue);
    color: white;
}

[data-theme="dark"] .frequency-low {
    background: var(--gray-700);
    color: var(--text-primary);
}

[data-theme="dark"] .example-text {
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border-left-color: var(--primary-blue);
}

[data-theme="dark"] .example-highlight {
    background: var(--primary-blue);
    color: white;
}

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

[data-theme="dark"] .word-type-badge {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

[data-theme="dark"] .collocation-list-item {
    border-bottom-color: var(--border-primary);
}

[data-theme="dark"] .collocation-list-item:hover {
    background: var(--bg-elevated);
}

[data-theme="dark"] .pattern-card {
    background: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .pattern-card:hover {
    background: var(--bg-elevated);
    border-color: var(--primary-blue);
}

[data-theme="dark"] .usage-note {
    background: var(--bg-elevated);
    border-left-color: var(--accent-orange);
    color: var(--text-secondary);
}

[data-theme="dark"] .related-words {
    background: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .related-word-tag {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

[data-theme="dark"] .related-word-tag:hover {
    background: var(--primary-blue);
    color: white;
}

[data-theme="dark"] .filter-section {
    background: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .filter-group {
    border-bottom-color: var(--border-primary);
}

[data-theme="dark"] .filter-label {
    color: var(--text-primary);
}

[data-theme="dark"] .filter-checkbox:checked + .filter-label {
    color: var(--primary-blue-light);
}

[data-theme="dark"] .sort-select {
    background: var(--bg-elevated);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .pagination {
    border-top-color: var(--border-primary);
}

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

[data-theme="dark"] .page-link:hover {
    background: var(--bg-elevated);
    border-color: var(--primary-blue);
}

[data-theme="dark"] .page-link.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: white;
}

[data-theme="dark"] .stats-card {
    background: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .stat-value {
    color: var(--text-primary);
}

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

/* Dark Mode for Homepage Sections */

/* Hero Stats */
[data-theme="dark"] .hero-stats .stat-item {
    color: white;
}

[data-theme="dark"] .hero-stats .stat-number {
    color: white;
}

[data-theme="dark"] .hero-stats .stat-label {
    color: rgba(255, 255, 255, 0.9);
}

/* Popular Words Section */
[data-theme="dark"] .popular-section {
    background: var(--bg-primary);
}

[data-theme="dark"] .popular-word {
    background: var(--bg-secondary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .popular-word:hover {
    background: var(--bg-elevated);
    border-color: var(--primary-blue);
}

[data-theme="dark"] .popular-word-title {
    color: var(--text-primary);
}

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

[data-theme="dark"] .popular-word-preview {
    color: var(--text-muted);
}

/* Daily Word Section */
[data-theme="dark"] .daily-section {
    background: var(--bg-primary);
}

[data-theme="dark"] .daily-card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-elevated) 100%);
    border-color: var(--border-primary);
}

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

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

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

[data-theme="dark"] .daily-word-title a {
    color: var(--primary-blue-light);
}

[data-theme="dark"] .daily-word-title a:hover {
    color: var(--primary-blue);
}

[data-theme="dark"] .daily-word-stats {
    color: var(--text-muted);
}

[data-theme="dark"] .featured-example {
    color: var(--text-secondary);
}

[data-theme="dark"] .featured-list {
    color: var(--text-secondary);
}

[data-theme="dark"] .featured-item strong {
    color: var(--text-primary);
}

/* Categories Section */
[data-theme="dark"] .categories-section {
    background: var(--bg-primary);
}

[data-theme="dark"] .section-header {
    color: var(--text-primary);
}

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

[data-theme="dark"] .section-subtitle {
    color: var(--text-secondary);
}

[data-theme="dark"] .categories-showcase {
    background: transparent;
}

[data-theme="dark"] .category-badge {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
}

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

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

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

/* Tips Section */
[data-theme="dark"] .tips-section {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
}

[data-theme="dark"] .tips-banner {
    background: var(--bg-elevated);
    border-left-color: var(--accent-green);
}

[data-theme="dark"] .tips-banner-title {
    color: var(--text-primary);
}

[data-theme="dark"] .tip-content {
    color: var(--text-secondary);
}

[data-theme="dark"] .tip-bullet {
    color: var(--accent-green);
}

/* CTA Section */
[data-theme="dark"] .cta-section {
    background: linear-gradient(135deg, #1e293b, #334155);
}

[data-theme="dark"] .cta-title {
    color: white;
}

[data-theme="dark"] .cta-description {
    color: rgba(255, 255, 255, 0.9);
}

/* Features Section */
[data-theme="dark"] .features-section {
    background: var(--bg-primary);
}

[data-theme="dark"] .feature-icon {
    filter: grayscale(0.2);
}

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

[data-theme="dark"] .feature-description {
    color: var(--text-secondary);
}

/* Page Navigation */
[data-theme="dark"] .page-navigation {
    background: var(--bg-secondary);
    border-top-color: var(--border-primary);
}

/* Category Page Specific */
[data-theme="dark"] .category-page {
    background: var(--bg-secondary);
}

[data-theme="dark"] .category-page .category-header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-elevated));
    border-bottom-color: var(--border-primary);
}

[data-theme="dark"] .category-page .category-title {
    background: linear-gradient(135deg, var(--primary-blue-light), var(--accent-green));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .category-page .category-description {
    color: var(--text-secondary);
}

[data-theme="dark"] .category-page .stat-item {
    background: var(--bg-elevated);
    border-color: var(--border-primary);
}

[data-theme="dark"] .category-page .stat-number {
    color: var(--primary-blue-light);
}

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

/* Headword Page */
[data-theme="dark"] .headword-page {
    background: var(--bg-secondary);
}

[data-theme="dark"] .headword-header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-elevated));
    border-bottom-color: var(--border-primary);
}

[data-theme="dark"] .headword-title {
    background: linear-gradient(135deg, var(--primary-blue-light), var(--accent-green));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .headword-stats .stat-item {
    background: var(--bg-elevated);
    border-color: var(--border-primary);
}

[data-theme="dark"] .headword-stats .stat-number {
    color: var(--primary-blue-light);
}

[data-theme="dark"] .headword-stats .stat-label {
    color: var(--text-secondary);
}

/* Category Navigation */
[data-theme="dark"] .category-nav {
    background: var(--bg-elevated);
    border-bottom-color: var(--border-primary);
}

/* Modal Dark Mode */
[data-theme="dark"] .modal {
    background: rgba(0, 0, 0, 0.8);
}