/* 分类列表页面样式 - 使用 categories- 前缀避免冲突 */

/* 主容器 */
.categories-main-container {
    margin-top: 60px;
    padding: 30px 40px 40px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    min-height: calc(100vh - 60px);
}

.categories-page-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.categories-page-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.categories-page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* 分类网格 - 横向多列布局 */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 分类卡片 */
.categories-card {
    background: var(--bg-primary);
    border: none;
    border-radius: 8px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    min-height: 140px;
    height: 100%;
}

.categories-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.categories-card-icon {
    font-size: 32px;
    line-height: 1;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    border-radius: 8px;
}

.categories-card:hover .categories-card-icon {
    transform: scale(1.05);
}

.categories-card-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
}

.categories-card-name-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.categories-card-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    flex: 1;
    min-width: 0;
    margin: 0;
}

.categories-card-slug {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bg-hover);
    color: var(--text-tertiary);
    font-size: 11px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    border-radius: 6px;
    width: fit-content;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.categories-card-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    margin: 0;
    min-height: 44px;
}

.categories-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: auto;
    padding-top: 10px;
    min-height: 24px;
}

.categories-card-count {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 400;
}

.categories-card-count::before {
    content: "📄";
    font-size: 14px;
    opacity: 0.7;
}

.categories-card-view-link {
    color: var(--text-tertiary);
    font-size: 13px;
    transition: color 0.2s;
}

.categories-card:hover .categories-card-view-link {
    color: var(--text-secondary);
}

/* 空状态 */
.categories-empty-state {
    text-align: center;
    padding: 120px 20px;
    color: var(--text-secondary);
}

.categories-empty-icon {
    font-size: 80px;
    margin-bottom: 24px;
    opacity: 0.4;
    animation: categories-float 3s ease-in-out infinite;
}

@keyframes categories-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.categories-empty-text {
    font-size: 18px;
    margin-bottom: 32px;
    color: var(--text-secondary);
    font-weight: 400;
}

.categories-btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background: var(--accent);
    color: var(--bg-primary);
    border-radius: 8px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.categories-btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
    }
    
    .categories-card {
        min-height: 140px;
    }
}

@media (max-width: 1000px) {
    .categories-main-container {
        padding: 30px 32px 40px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
    }
    
    .categories-page-title {
        font-size: 26px;
    }
    
    .categories-card {
        min-height: 140px;
    }
}

@media (max-width: 768px) {
    .categories-main-container {
        padding: 24px 24px 32px;
    }
    
    .categories-page-header {
        margin-bottom: 24px;
        padding-bottom: 16px;
    }
    
    .categories-page-title {
        font-size: 24px;
    }
    
    .categories-page-subtitle {
        font-size: 13px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .categories-card {
        padding: 20px;
        gap: 16px;
        min-height: 140px;
    }
    
    .categories-card-icon {
        font-size: 32px;
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
    }
    
    .categories-card-name {
        font-size: 18px;
    }
    
    .categories-card-description {
        font-size: 14px;
        min-height: 44px;
    }
}

@media (max-width: 480px) {
    .categories-main-container {
        padding: 24px 16px 32px;
    }
    
    .categories-page-header {
        margin-bottom: 24px;
        padding-bottom: 16px;
    }
    
    .categories-page-title {
        font-size: 24px;
    }
    
    .categories-page-subtitle {
        font-size: 13px;
    }
    
    .categories-card {
        padding: 18px;
        gap: 14px;
        min-height: 130px;
    }
    
    .categories-card-icon {
        font-size: 32px;
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
    }
    
    .categories-card-name {
        font-size: 17px;
    }
    
    .categories-card-description {
        font-size: 14px;
        min-height: 44px;
    }
    
    .categories-card-footer {
        font-size: 13px;
        min-height: 24px;
    }
    
    .categories-empty-state {
        padding: 80px 20px;
    }
    
    .categories-empty-icon {
        font-size: 64px;
    }
    
    .categories-empty-text {
        font-size: 16px;
    }
}