/* 标签列表页面样式 */

/* 标签容器 */
.tags-container {
    padding: 30px 0;
    min-height: calc(100vh - 200px);
}

/* 标签头部 */
.tags-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #007bff;
}

.tags-title {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 2rem;
    font-weight: 600;
}

.tags-count {
    color: #666;
    font-size: 1rem;
}

/* 标签网格 - 桌面端每行3个标签 */
.tags-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

/* 标签项 */
.tag-item {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
}

    .tag-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 15px rgba(0,0,0,0.1);
        border-color: #007bff;
    }

/* 标签链接 */
.tag-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* 标签图片容器 - 正方形容器 */
.tag-image-container {
    height: 0;
    padding-bottom: 100%; /* 1:1 正方形比例 */
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: hidden;
}

/* 标签图片 */
.tag-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity 0.3s;
    opacity: 0;
}

    .tag-image.loaded {
        opacity: 1;
    }

/* 标签图片占位符 */
.tag-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #adb5bd;
}

    .tag-image-placeholder i {
        opacity: 0.5;
    }

/* 标签信息 */
.tag-info {
    padding: 15px;
    background: white;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 90px;
}

/* 标签名称 */
.tag-name {
    margin: 0 0 10px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    text-align: center;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 标签统计 */
.tag-stats {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: auto;
}

.article-count {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #666;
    justify-content: center;
    white-space: nowrap;
}

    .article-count i {
        color: #007bff;
        font-size: 0.8rem;
    }

/* 懒加载图片 */
.lazy-image {
    background-color: #f0f0f0;
    transition: opacity 0.3s;
    opacity: 0;
}

    .lazy-image.loaded {
        background-color: transparent;
        opacity: 1;
    }

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    grid-column: 1 / -1;
}

    .empty-state i {
        opacity: 0.5;
    }

/* 响应式设计 */

/* 大桌面端 - 3列 */
@media (min-width: 1200px) {
    .tags-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

/* 中等桌面端 - 3列 */
@media (min-width: 992px) and (max-width: 1199px) {
    .tags-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }

    .tag-name {
        font-size: 1rem;
    }

    .tag-info {
        padding: 12px;
        min-height: 80px;
    }
}

/* 平板端 - 2列 */
@media (min-width: 768px) and (max-width: 991px) {
    .tags-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .tag-info {
        padding: 12px;
        min-height: 80px;
    }

    .tag-name {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .article-count {
        font-size: 0.8rem;
        gap: 5px;
    }
}

/* 移动端 - 1列，全宽显示 */
@media (max-width: 767px) {
    .tags-container {
        padding: 20px 0;
    }

        /* 确保标签容器占满宽度 */
        .tags-container .container {
            max-width: 100%;
            padding-left: 15px;
            padding-right: 15px;
        }

    .content-row {
        display: block;
    }

    .content-main {
        width: 100%;
        padding-right: 0;
        padding-left: 0;
    }

    /* 移动端每行只显示一个标签 */
    .tags-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .tag-item {
        flex-direction: row;
        height: auto;
        margin-bottom: 15px;
    }

    .tag-link {
        flex-direction: row;
    }

    /* 移动端图片容器 - 矩形而非正方形 */
    .tag-image-container {
        height: 0;
        padding-bottom: 75%; /* 4:3 比例 */
        width: 120px;
        padding-bottom: 0;
        flex-shrink: 0;
    }

    .tag-image {
        width: 100%;
        height: 100%;
    }

    .tag-image-placeholder {
        font-size: 1.5rem;
    }

    /* 移动端信息区域 */
    .tag-info {
        padding: 15px;
        min-height: auto;
        flex: 1;
        justify-content: center;
    }

    .tag-name {
        font-size: 1.2rem;
        margin-bottom: 10px;
        text-align: left;
    }

    .tag-stats {
        align-items: flex-start;
    }

    .article-count {
        font-size: 0.9rem;
        justify-content: flex-start;
    }

    .tags-header {
        margin-bottom: 20px;
        padding-bottom: 15px;
        padding-left: 15px;
        padding-right: 15px;
    }

    .tags-title {
        font-size: 1.5rem;
    }

    /* 确保标签网格占满宽度 */
    .tags-grid {
        margin-left: 0;
        margin-right: 0;
    }
}

/* 小屏幕移动端优化 */
@media (max-width: 576px) {
    .tags-container {
        padding: 15px 0;
    }

        .tags-container .container {
            padding-left: 10px;
            padding-right: 10px;
        }

    .tags-grid {
        gap: 12px;
    }

    .tag-item {
        border-radius: 6px;
    }

    .tag-image-container {
        width: 100px;
        height: 75px;
    }

    .tag-info {
        padding: 12px;
    }

    .tag-name {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }

    .article-count {
        font-size: 0.85rem;
    }

    .tags-header {
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 400px) {
    .tag-image-container {
        width: 80px;
        height: 60px;
    }

    .tag-name {
        font-size: 1rem;
    }

    .article-count {
        font-size: 0.8rem;
    }
}


/* 移动端全宽支持 */
@media (max-width: 767px) {
    .tags-container-mobile-full {
        padding-left: 0;
        padding-right: 0;
    }

        .tags-container-mobile-full .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

    .content-main-full {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    /* 确保标签网格在移动端也占满宽度 */
    .tags-grid {
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 移动端标签项样式调整 */
    .tag-item {
        margin-left: 15px;
        margin-right: 15px;
    }
}

@media (max-width: 576px) {
    .tags-grid {
        padding-left: 10px;
        padding-right: 10px;
    }

    .tag-item {
        margin-left: 10px;
        margin-right: 10px;
    }
}