/* ============================================
   晴辰天下官网 - 组件样式
   ============================================ */

/* ============================================
   About Page Styles
   ============================================ */
.intro-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.intro-content h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-content p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.company-info-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.company-info-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.company-info-card ul li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.company-info-card ul li:last-child {
    border-bottom: none;
}

.company-info-card strong {
    color: var(--color-text);
}

/* Timeline */
.timeline-section {
    background: var(--gradient-dark);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 6px);
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--color-accent-glow);
}

.timeline-item.future .timeline-marker {
    background: var(--color-bg-card);
    border: 2px solid var(--color-accent);
}

.timeline-content {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.timeline-date {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.timeline-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Culture Grid */
.culture-section {
    background: var(--color-bg-dark);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.culture-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.culture-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.culture-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
}

.culture-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-accent);
}

.culture-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.culture-card p {
    color: var(--color-text-muted);
}

/* ============================================
   Services Page Styles
   ============================================ */
.service-detail {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.service-detail:last-of-type {
    border-bottom: none;
}

.service-detail.reverse {
    grid-template-columns: 1fr 1.5fr;
}

.service-detail.reverse .service-detail-content {
    order: 2;
}

.service-detail.reverse .service-detail-visual {
    order: 1;
}

.service-tag {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.service-detail-content h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.service-detail-content > p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
}

.service-detail-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon-large {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
}

.service-icon-large svg {
    width: 80px;
    height: 80px;
    stroke: var(--color-accent);
}

/* More Services */
.more-services {
    padding-top: var(--spacing-3xl);
}

.services-mini-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.service-mini-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.service-mini-card:hover {
    border-color: var(--color-border-hover);
}

.service-mini-card h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary-light);
}

.service-mini-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ============================================
   News Page Styles
   ============================================ */
.news-list-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.news-list-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.news-list-item:hover {
    border-color: var(--color-border-hover);
}

.news-list-image {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-darker) 100%);
    min-height: 200px;
}

.news-list-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.news-category {
    font-size: 0.85rem;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
}

.news-list-content h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.news-list-content h2 a {
    color: var(--color-text);
}

.news-list-content h2 a:hover {
    color: var(--color-primary-light);
}

.news-list-content p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.read-more {
    color: var(--color-primary-light);
    font-weight: 500;
}

.read-more:hover {
    color: var(--color-accent);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-2xl);
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.page-link:hover,
.page-link.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.page-dots {
    color: var(--color-text-muted);
    padding: 0 var(--spacing-xs);
}

/* ============================================
   Article Page Styles
   ============================================ */
.article-header {
    background: var(--color-bg-darker);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-text-muted);
}

.breadcrumb a:hover {
    color: var(--color-primary-light);
}

.article-section {
    background: var(--color-bg-dark);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-2xl);
}

.article-main {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.article-title-header {
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.article-category {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.article-title-header h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.article-meta {
    display: flex;
    gap: var(--spacing-lg);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.article-body {
    line-height: 1.9;
    color: var(--color-text);
}

.article-body h2 {
    font-size: 1.375rem;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    padding-left: var(--spacing-sm);
    border-left: 3px solid var(--color-accent);
}

.article-body p {
    margin-bottom: var(--spacing-md);
}

.article-body ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.article-body ul li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-muted);
}

.article-body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.article-body blockquote {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-muted);
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.article-tags {
    display: flex;
    gap: var(--spacing-xs);
}

.tag {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    background: var(--color-bg-card);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}

.article-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.share-link {
    color: var(--color-primary-light);
}

/* Sidebar */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-widget {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.sidebar-widget h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.related-posts li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.related-posts li:last-child {
    border-bottom: none;
}

.related-posts a {
    display: block;
    color: var(--color-text);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
}

.related-posts a:hover {
    color: var(--color-primary-light);
}

.post-date {
    font-size: 0.85rem;
    color: var(--color-text-dark);
}

.sidebar-widget p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Contact Page Styles
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info h2,
.contact-form-wrapper h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-accent);
}

.contact-text h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.contact-text p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.company-brief {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.company-brief h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.company-brief ul li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.company-brief strong {
    color: var(--color-text);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.form-desc {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    font-size: 0.95rem;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    background: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-dark);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Map Section */
.map-section {
    margin-top: var(--spacing-2xl);
}

.map-placeholder {
    height: 300px;
    background: var(--gradient-card);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-overlay {
    text-align: center;
    color: var(--color-text-muted);
}

/* ============================================
   Responsive - Components
   ============================================ */
@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .service-detail.reverse .service-detail-content,
    .service-detail.reverse .service-detail-visual {
        order: unset;
    }
    
    .service-detail-visual {
        order: -1;
    }
    
    .services-mini-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .sidebar-widget {
        flex: 1;
        min-width: 280px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .timeline {
        padding-left: var(--spacing-lg);
    }
    
    .timeline-marker {
        left: calc(-1 * var(--spacing-lg) - 6px);
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .service-features {
        grid-template-columns: 1fr;
    }
    
    .services-mini-grid {
        grid-template-columns: 1fr;
    }
    
    .news-list-item {
        grid-template-columns: 1fr;
    }
    
    .news-list-image {
        min-height: 160px;
    }
    
    .article-footer {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Data Table Component
   ============================================ */
.data-table-container {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--color-bg-darker);
    border-bottom: 2px solid var(--color-border);
}

.data-table th {
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: left;
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    color: var(--color-text);
    white-space: nowrap;
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
    transition: color var(--transition-fast);
}

.data-table th.sortable:hover {
    color: var(--color-primary-light);
}

.data-table th.sorted {
    color: var(--color-primary);
}

.sort-indicator {
    display: inline-block;
    margin-left: 0.25rem;
    opacity: 0.5;
}

.data-table th.sorted .sort-indicator {
    opacity: 1;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--table-border);
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
    background-color: var(--table-hover);
}

.data-table tbody tr:nth-child(even) {
    background-color: var(--table-stripe);
}

.data-table td {
    padding: var(--spacing-md) var(--spacing-sm);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.data-table td.primary {
    color: var(--color-text);
    font-weight: var(--font-medium);
}

/* Table Actions */
.table-actions {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.table-action-btn {
    padding: 0.25rem 0.5rem;
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.table-action-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ============================================
   Pagination Component
   ============================================ */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.pagination-info {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.pagination-controls {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.pagination-btn {
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-jump {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.pagination-jump input {
    width: 3rem;
    height: 2rem;
    padding: 0 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--color-text);
    text-align: center;
    font-size: var(--text-sm);
}

/* ============================================
   Filter & Search Components
   ============================================ */
.filter-bar {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-darker);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    height: var(--input-height);
    padding: 0 var(--spacing-md) 0 2.5rem;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    color: var(--color-text);
    font-size: var(--text-sm);
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--input-border-focus);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    color: var(--color-text-muted);
    pointer-events: none;
}

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

.filter-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.filter-select {
    height: var(--input-height);
    padding: 0 2rem 0 var(--spacing-sm);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    background: var(--input-bg);
    color: var(--color-text);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--input-border-focus);
}

.filter-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    background: var(--color-primary-light);
    color: white;
    font-size: var(--text-xs);
    border-radius: var(--radius-full);
}

.filter-tag-remove {
    cursor: pointer;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.filter-tag-remove:hover {
    opacity: 1;
}

/* ============================================
   State Components (Loading/Empty/Error)
   ============================================ */
.state-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    text-align: center;
}

.state-icon {
    width: 4rem;
    height: 4rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
}

.state-title {
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.state-message {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    max-width: 400px;
    margin-bottom: var(--spacing-lg);
}

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

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

.loading-dots {
    display: flex;
    gap: 0.5rem;
}

.loading-dot {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--color-primary);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Empty State */
.empty-state .state-icon {
    color: var(--color-text-dark);
}

/* Error State */
.error-state .state-icon {
    color: var(--color-error);
}

.error-state .state-title {
    color: var(--color-error);
}

/* ============================================
   Toast Notification Component
   ============================================ */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.toast {
    min-width: 300px;
    max-width: 500px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    pointer-events: auto;
    animation: slideInRight 0.3s var(--ease-out);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.removing {
    animation: slideOutRight 0.3s var(--ease-in);
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.toast-close {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

/* Toast Variants */
.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.success .toast-icon {
    color: var(--color-success);
}

.toast.error {
    border-left: 4px solid var(--color-error);
}

.toast.error .toast-icon {
    color: var(--color-error);
}

.toast.warning {
    border-left: 4px solid var(--color-warning);
}

.toast.warning .toast-icon {
    color: var(--color-warning);
}

.toast.info {
    border-left: 4px solid var(--color-info);
}

.toast.info .toast-icon {
    color: var(--color-info);
}

/* ============================================
   Modal Component
   ============================================ */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-backdrop.removing {
    animation: fadeOut 0.2s var(--ease-in);
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

.modal-backdrop > .modal {
    background: var(--card-bg, var(--color-bg-card, #ffffff));
    border: 1px solid var(--card-border, var(--color-border, #e5e7eb));
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: scaleIn 0.2s ease-out;
    z-index: 10000;
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal.removing {
    animation: scaleOut 0.2s var(--ease-in);
}

@keyframes scaleOut {
    from {
        transform: scale(1);
        opacity: 1;
    }
    to {
        transform: scale(0.9);
        opacity: 0;
    }
}

.modal-backdrop .modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--card-border, var(--color-border, #e5e7eb));
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-backdrop .modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary, var(--color-text, #111827));
    margin: 0;
}

.modal-backdrop .modal-close {
    width: 2rem;
    height: 2rem;
    cursor: pointer;
    color: var(--text-secondary, var(--color-text-muted, #6b7280));
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.modal-backdrop .modal-close:hover {
    color: var(--text-primary, var(--color-text, #111827));
    background: var(--card-border, rgba(0,0,0,0.05));
}

.modal-backdrop .modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    color: var(--text-primary, var(--color-text, #111827));
    font-size: 0.95rem;
    line-height: 1.6;
}

.modal-backdrop .modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--card-border, var(--color-border, #e5e7eb));
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* ============================================
   Responsive - Component Library
   ============================================ */
@media (max-width: 768px) {
    .data-table-container {
        overflow-x: auto;
    }
    
    .pagination-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pagination-controls {
        justify-content: center;
    }
    
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: none;
    }
    
    .toast-container {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .toast {
        min-width: auto;
    }
    
    .modal-backdrop > .modal {
        max-width: calc(100% - 2rem);
        margin: 1rem;
    }
}

/* 暗色主题模态框 */
[data-theme="dark"] .modal-backdrop > .modal {
    background: var(--card-bg, #1f2937);
    border-color: var(--card-border, #374151);
}

[data-theme="dark"] .modal-backdrop .modal-title,
[data-theme="dark"] .modal-backdrop .modal-body {
    color: var(--text-primary, #f9fafb);
}

[data-theme="dark"] .modal-backdrop .modal-close {
    color: var(--text-secondary, #9ca3af);
}

[data-theme="dark"] .modal-backdrop .modal-close:hover {
    color: var(--text-primary, #f9fafb);
    background: rgba(255,255,255,0.1);
}