/**
 * List.css - Carefree Theme List Page Styles
 * 列表页通用样式 - 分类/标签/搜索/归档
 *
 * Features:
 * - Modern header with gradient
 * - Flexible grid layout
 * - Filter and sort options
 * - Beautiful pagination
 * - Dark mode support
 */

/* ========================================
   List Page Container
======================================== */
.list-page {
    padding-top: 80px;
    min-height: 100vh;
}

/* ========================================
   List Hero Header
======================================== */
.list-hero {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    overflow: hidden;
}

.list-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 90%, rgba(99, 102, 241, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(168, 85, 247, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.2) 0%, transparent 60%);
    animation: Carefree 20s ease-in-out infinite;
}

.list-hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
}

/* Breadcrumb in Hero */
.list-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.list-breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--duration-fast) var(--easing);
}

.list-breadcrumb a:hover {
    color: #fff;
}

.list-breadcrumb .separator {
    color: rgba(255, 255, 255, 0.5);
    margin: 0 var(--spacing-xs);
}

.list-breadcrumb .current {
    color: #fff;
    font-weight: 500;
}

/* List Title */
.list-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.list-title .icon {
    margin-right: var(--spacing-sm);
    opacity: 0.9;
}

/* List Description */
.list-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
}

/* List Stats */
.list-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
}

.list-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.list-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
}

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

/* Sub Categories / Tags */
.list-subcategories {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.list-subcategories .label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin-right: var(--spacing-sm);
}

.subcategory-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: #fff;
    font-size: 0.8125rem;
    text-decoration: none;
    transition: all var(--duration-normal) var(--easing);
}

.subcategory-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.subcategory-link .count {
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

/* ========================================
   List Content Area
======================================== */
.list-content {
    padding: var(--spacing-2xl) 0;
}

.list-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
}

@media (max-width: 1024px) {
    .list-layout {
        grid-template-columns: 1fr;
    }

    .list-sidebar {
        order: -1;
    }
}

/* ========================================
   Filter Bar
======================================== */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
}

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

.total-count {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.total-count i {
    color: var(--color-primary);
}

.total-count strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* View Mode Toggle */
.view-modes {
    display: flex;
    gap: var(--spacing-xs);
}

.view-mode-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing);
}

.view-mode-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.view-mode-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

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

/* Sort Select */
.sort-select {
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-right: var(--spacing-2xl);
    background: var(--color-slate-50);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
}

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

.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

/* ========================================
   Articles Grid
======================================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

/* Articles List View */
.articles-grid.list-view {
    grid-template-columns: 1fr;
}

/* Article Card */
.article-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--duration-normal) var(--easing);
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-200);
}

.article-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

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

.article-card:hover .article-card-image img {
    transform: scale(1.08);
}

.article-card-flag {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.article-card-body {
    padding: var(--spacing-lg);
}

.article-card-category {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 0.8125rem;
    color: var(--color-primary);
}

.article-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-title a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--easing);
}

.article-card-title a:hover {
    color: var(--color-primary);
}

.article-card-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.article-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.article-card-meta i {
    font-size: 0.875rem;
}

/* List View Card Style */
.articles-grid.list-view .article-card {
    display: grid;
    grid-template-columns: 280px 1fr;
}

@media (max-width: 640px) {
    .articles-grid.list-view .article-card {
        grid-template-columns: 1fr;
    }
}

.articles-grid.list-view .article-card-image {
    aspect-ratio: 4 / 3;
}

.articles-grid.list-view .article-card-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.articles-grid.list-view .article-card-excerpt {
    -webkit-line-clamp: 3;
}

/* ========================================
   List Sidebar
======================================== */
.list-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

@media (max-width: 1024px) {
    .list-sidebar {
        position: static;
    }
}

/* Sidebar Widget */
.sidebar-widget {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.sidebar-widget:last-child {
    margin-bottom: 0;
}

.widget-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
}

.widget-header i {
    font-size: 1.125rem;
    color: var(--color-primary);
}

.widget-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

/* Category List Widget */
.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-list li {
    margin-bottom: var(--spacing-xs);
}

.category-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--easing);
}

.category-list a:hover {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.category-list a.active {
    background: var(--color-primary);
    color: #fff;
}

.category-list .count {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--color-slate-100);
    border-radius: var(--radius-sm);
}

.category-list a.active .count {
    background: rgba(255, 255, 255, 0.2);
}

/* Hot Articles Widget */
.hot-articles-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hot-article-item {
    display: flex;
    gap: var(--spacing-md);
}

.hot-article-rank {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-slate-100);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.hot-article-rank.top {
    background: var(--gradient-primary);
    color: #fff;
}

.hot-article-content {
    flex: 1;
    min-width: 0;
}

.hot-article-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    transition: color var(--duration-fast) var(--easing);
}

.hot-article-title:hover {
    color: var(--color-primary);
}

.hot-article-views {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* Tags Cloud Widget */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-slate-100);
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--easing);
}

.tag-link:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ========================================
   Pagination
======================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--glass-border);
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all var(--duration-normal) var(--easing);
}

.page-link:hover {
    background: var(--color-primary-50);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.page-link.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--shadow-primary);
}

.page-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.page-link.prev,
.page-link.next {
    padding: 0 var(--spacing-md);
    gap: var(--spacing-xs);
}

.page-link.ellipsis {
    background: transparent;
    border: none;
    cursor: default;
}

.page-link.ellipsis:hover {
    transform: none;
}

/* ========================================
   Empty State
======================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    text-align: center;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--color-text-muted);
    opacity: 0.3;
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.empty-state-action {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--gradient-primary);
    color: #fff;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--easing);
}

.empty-state-action:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* ========================================
   Search Form (for search page)
======================================== */
.search-form-large {
    max-width: 600px;
    margin: 0 auto;
}

.search-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
}

.search-input-large {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    font-size: 1rem;
    color: var(--color-text-primary);
    transition: all var(--duration-fast) var(--easing);
}

.search-input-large:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.search-input-large::placeholder {
    color: var(--color-text-muted);
}

.search-btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    background: #fff;
    border: none;
    border-radius: var(--radius-xl);
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration-normal) var(--easing);
}

.search-btn-large:hover {
    background: var(--color-slate-100);
    transform: translateY(-2px);
}

/* ========================================
   Archive Timeline
======================================== */
.archive-timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.archive-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
}

.archive-year {
    position: relative;
    margin-bottom: var(--spacing-2xl);
}

.archive-year-title {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    margin-left: calc(-1 * var(--spacing-xl) - 6px);
}

.archive-year-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    margin-left: -6px;
}

.archive-month {
    margin-bottom: var(--spacing-lg);
}

.archive-month-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

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

.archive-article-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--easing);
}

.archive-article-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 4px);
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.archive-article-item:hover {
    background: var(--color-primary-50);
    border-color: var(--color-primary-200);
    transform: translateX(4px);
}

.archive-article-date {
    flex-shrink: 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.archive-article-title {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--easing);
}

.archive-article-title:hover {
    color: var(--color-primary);
}

/* ========================================
   Dark Mode Overrides
======================================== */
[data-theme="dark"] .sort-select {
    background-color: var(--color-slate-800);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
}

[data-theme="dark"] .search-input-large {
    background: rgba(30, 41, 59, 0.9);
    color: var(--color-text-primary);
}

[data-theme="dark"] .search-btn-large {
    background: var(--color-slate-800);
}

/* ========================================
   Responsive Adjustments
======================================== */
@media (max-width: 640px) {
    .list-hero {
        padding: var(--spacing-2xl) 0;
    }

    .list-title {
        font-size: 1.75rem;
    }

    .list-stats {
        gap: var(--spacing-lg);
    }

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

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-left,
    .filter-right {
        justify-content: space-between;
    }

    .pagination {
        gap: var(--spacing-xs);
    }

    .page-link {
        min-width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }

    .page-link.prev,
    .page-link.next {
        padding: 0 var(--spacing-sm);
    }
}