/* 主页特定样式 - 适配天空背景系统 */
body {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding-top: var(--page-padding-top, 100px);
    height: auto !important;
    overflow-y: auto !important;
}

/* 确保内容在天空背景上层 */
.container {
    position: relative;
    z-index: 10;
}

/* 导航栏保持固定定位 */
#navbar {
    z-index: 10;
}

/* navbar 整合日期样式 */
#navbar .navbar-divider {
    color: var(--glass-border);
    font-size: 18px;
    margin: 0 12px;
    opacity: 0.6;
    transition: opacity 0.3s var(--ease-liquid);
}

#navbar .navbar-date-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    transition: all 0.3s var(--ease-liquid);
}

#navbar .navbar-date-info .date-time {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

#navbar .navbar-date-info .time-info {
    display: none;
}

/* 滚动时隐藏日期信息 */
#navbar.scrolled .navbar-divider,
#navbar.scrolled .navbar-date-info {
    opacity: 0;
    width: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}


/* 双栏切换导航 - 液态玻璃效果 */
#tab-navigator {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    transition: all 0.4s var(--ease-liquid);
}

.tab-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    backdrop-filter: var(--element-blur);
    -webkit-backdrop-filter: var(--element-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 6px;
    box-shadow: var(--shadow-soft);
    height: 48px;
    box-sizing: content-box;
}

.tab-btn {
    position: relative;
    z-index: 2;
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: color 0.4s var(--ease-liquid);
    white-space: nowrap;
    height: 36px;
    min-width: 78px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    text-decoration: none;
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn:hover:not(.active) {
    color: var(--text-primary);
}

/* 液态滑动指示器 */
.tab-indicator {
    position: absolute;
    top: 6px;
    left: 6px;
    height: calc(100% - 12px);
    background: linear-gradient(135deg,
            rgba(var(--accent-gold-rgb), 0.15),
            rgba(var(--accent-gold-rgb), 0.1));
    border: 1px solid var(--glass-highlight);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 8px rgba(var(--accent-gold-rgb), 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 1;
    pointer-events: none;
    /* 防止溢出 */
    will-change: transform, width;
    box-sizing: content-box;
    opacity: 0;
}

.container {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    padding: 0 var(--spacing-sm);
}

/* 内容区域切换动画 */
.content-section {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    padding: 0 var(--spacing-sm) 40px var(--spacing-sm);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s var(--ease-liquid),
        transform 0.4s var(--ease-liquid);
    width: 100%;
    max-width: var(--container-max-width);
    box-sizing: border-box;
}

.content-section.hidden {
    display: none;
    opacity: 0;
    transform: translateY(20px);
}

.content-section.fade-out {
    opacity: 0;
    transform: translateY(-20px);
}

/* 文章列表专用样式 - 博客风格 */
#articles-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

#articles-section {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: var(--container-max-width);
    padding: 0 20px var(--spacing-xl) 20px;
}

/* 分类筛选器容器 - PC端双行横向滑动修复 */
.category-filter-container {
    display: grid;
    grid-template-rows: repeat(2, 45px); /* 固定两行高度 */
    grid-auto-flow: column;
    grid-auto-columns: max-content; /* 核心：列宽随内容 */
    justify-content: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    width: 100%;
    position: relative;
    margin-bottom: 20px;
    padding: 10px 20px;
    transition: all 0.3s var(--ease-liquid);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--glass-border) transparent;
    cursor: grab;
    user-select: none;
    
    /* 左右渐变遮罩 */
    -webkit-mask-image: linear-gradient(to right, 
        transparent, 
        black 2%, 
        black 98%, 
        transparent
    );
    mask-image: linear-gradient(to right, 
        transparent, 
        black 2%, 
        black 98%, 
        transparent
    );
}

.category-filter-container:active {
    cursor: grabbing;
}

/* 滚动时背景加强 */
body.scrolled .category-filter-container {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.category-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    height: 38px; /* 固定按钮高度 */
    white-space: nowrap; /* 强制文字横排 */
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s var(--ease-liquid);
    backdrop-filter: var(--element-blur);
    -webkit-backdrop-filter: var(--element-blur);
    box-shadow: var(--shadow-soft);
}

.category-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-strong);
}

.category-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-strong);
}

.article-item {
    width: 100%;
    max-width: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--element-blur);
    -webkit-backdrop-filter: var(--element-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.3s var(--ease-liquid);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.article-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--glass-highlight);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    pointer-events: none;
    opacity: 0.6;
}

.article-item:hover {
    border-color: var(--glass-highlight);
    transform: translateX(8px);
    box-shadow: var(--shadow-medium), var(--mystic-shadow-strong);
}

.article-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.article-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-left: 40px;
}

.article-date,
.article-category {
    display: flex;
    align-items: center;
    gap: 4px;
}

.article-category {
    padding: 2px 8px;
    background: var(--primary-color-light, rgba(99, 102, 241, 0.1));
    border-radius: 12px;
    font-weight: 500;
    color: var(--primary-color, #6366f1);
    transition: all 0.3s var(--ease-liquid);
}

.article-item:hover .article-category {
    background: var(--primary-color);
    color: white;
}

.article-excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    margin-left: 40px;
}

.article-tags {
    display: flex;
    gap: 8px;
    margin-left: 40px;
    flex-wrap: wrap;
}

.article-tag {
    font-size: 12px;
    padding: 4px 12px;
    background: var(--accent-gold-light);
    border: 1px solid rgba(var(--accent-gold-rgb), 0.3);
    border-radius: 12px;
    color: var(--primary-color);
}

.coming-soon-article {
    opacity: 0.6;
    cursor: default;
    text-align: center;
    padding: 32px;
}

.coming-soon-article:hover {
    transform: none;
    border-color: var(--glass-border);
}

.coming-soon-article .article-title {
    color: var(--text-secondary);
}

/* 搜索区域样式 */
#search-section {
    flex-direction: column;
    align-items: center;
    gap: 24px;
    max-width: 800px;
    padding: 250px 20px 40px 20px;
}

.search-container {
    width: 100%;
}

.search-box {
    position: relative;
    width: 100%;
    margin-bottom: 24px;
}

.search-input {
    width: 100%;
    padding: 16px 48px 16px 20px;
    font-size: 16px;
    background: var(--glass-bg);
    backdrop-filter: var(--element-blur);
    -webkit-backdrop-filter: var(--element-blur);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s var(--ease-liquid);
    box-sizing: border-box;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

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

.search-clear {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    background: rgba(212, 175, 55, 0.2);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s var(--ease-liquid);
}

.search-clear:hover {
    background: rgba(212, 175, 55, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.search-tips {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.search-tips p {
    margin-bottom: 12px;
    font-size: 14px;
}

.search-tip-tags {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.search-tip-tag {
    padding: 6px 14px;
    background: var(--accent-gold-light);
    border: 1px solid rgba(var(--accent-gold-rgb), 0.3);
    border-radius: 12px;
    color: var(--primary-color);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s var(--ease-liquid);
}

.search-tip-tag:hover {
    background: var(--accent-gold-medium);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.search-results {
    width: 100%;
}

.search-result-header {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-left: 8px;
}

.search-result-category {
    margin-bottom: 24px;
}

.search-result-category-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    padding-left: 8px;
}

.search-result-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--glass-bg);
    backdrop-filter: var(--element-blur);
    -webkit-backdrop-filter: var(--element-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s var(--ease-liquid);
}

.search-result-item:hover {
    border-color: var(--glass-highlight);
    transform: translateX(8px);
    box-shadow: var(--shadow-medium);
}

.search-result-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.search-result-content {
    flex: 1;
}

.search-result-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.search-result-title .highlight {
    background: rgba(var(--accent-gold-rgb), 0.3);
    padding: 2px 4px;
    border-radius: 4px;
}

.search-result-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.search-no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.search-no-results-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.search-no-results-text {
    font-size: 16px;
}

/* 翻页功能样式 */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-lg) 0 var(--spacing-xl);
    width: 100%;
}

.page-btn {
    padding: 8px 16px;
    background: var(--glass-bg);
    backdrop-filter: var(--element-blur);
    -webkit-backdrop-filter: var(--element-blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s var(--ease-liquid);
    display: flex;
    align-items: center;
    gap: 6px;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-info {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.page-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-soft);
}

.page-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0 4px;
    letter-spacing: 2px;
}

/* 响应式调整翻页按钮 */
@media (max-width: 600px) {
    .pagination-container {
        gap: 6px;
    }
    .page-btn {
        padding: 6px 12px;
        font-size: 13px;
        border-radius: 10px;
    }
    .page-btn .btn-text {
        display: none;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding-top: 90px;
    }

    .tab-container {
        height: 44px;
    }

    .tab-btn {
        padding: 8px 18px;
        font-size: 14px;
        height: 32px;
        min-width: 64px;
    }

    /* navbar 日期在中等屏幕上简化显示 */
    #navbar .navbar-date-info .time-info {
        display: none;
    }

    /* 分类筛选器移动端适配 - 保持单行或自适应 */
    .category-filter-container {
        grid-template-rows: 1fr; /* 移动端通常单行滑动体验更好，如果需要双行可改为 repeat(2, auto) */
        padding: 10px 16px; 
        margin: 0 -16px 8px -16px;
        width: calc(100% + 32px);
        gap: 8px;
        scroll-snap-type: x proximity;
    }

    .category-filter-container::-webkit-scrollbar {
        display: none;
    }

    .category-btn {
        flex-shrink: 0;
        padding: 8px 16px;
        font-size: 13px;
        scroll-snap-align: center;
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
    }

    /* 文章列表响应式 */
    .article-item {
        padding: 20px 24px;
    }

    .article-title {
        font-size: 18px;
    }

    .article-meta,
    .article-excerpt,
    .article-tags {
        margin-left: 0;
    }

    .article-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 80px;
    }

    .tab-container {
        padding: 4px;
        height: 40px;
    }

    .tab-btn {
        padding: 6px 14px;
        font-size: 14px;
        height: 32px;
        min-width: 56px;
    }

    /* 小屏幕上隐藏 navbar 日期信息 */
    #navbar .navbar-divider,
    #navbar .navbar-date-info {
        display: none;
    }

    /* 文章列表移动端优化 - 修复被切掉的问题 */
    #articles-section {
        padding: 0 16px 40px 16px;
        width: calc(100% - 32px);
    }

    .article-item {
        padding: 16px 20px;
        border-radius: 16px;
        width: 100%;
        max-width: 100%;
    }

    .article-icon {
        font-size: 24px;
    }

    .article-title {
        font-size: 16px;
        word-break: break-word;
    }

    .article-meta {
        font-size: 12px;
        gap: 12px;
    }

    .article-excerpt {
        font-size: 14px;
        word-break: break-word;
    }

    .article-tag {
        font-size: 11px;
        padding: 3px 10px;
    }

    /* 搜索区域移动端优化 */
    #search-section {
        padding: 150px 16px 40px 16px;
        width: calc(100% - 32px);
    }

    .search-input {
        font-size: 15px;
        padding: 14px 44px 14px 18px;
    }

    .search-tips p {
        font-size: 13px;
    }

    .search-result-item {
        padding: 14px 16px;
    }

    .search-result-icon {
        font-size: 28px;
    }

    .search-result-title {
        font-size: 15px;
    }

    .search-result-desc {
        font-size: 12px;
    }
}

/* 页脚样式 */
.site-footer {
    width: 100%;
    padding: 60px 20px 100px;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 40px;
    /* Increase spacing from content above */
    position: relative;
    z-index: 1;
    /* horizontal line separator - thicker and more visible */
    border-top: 2px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.5);
    /* Highlight for depth */
}

/* Dark mode adjustment for the border */
@media (prefers-color-scheme: dark) {
    .site-footer {
        border-top: 2px solid rgba(255, 255, 255, 0.15);
        box-shadow: none;
    }
}

.footer-container {
    max-width: 1200px;
    /* 增加宽度以匹配主内容 */
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.footer-top {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-col {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: center;
    /* PC端也居中 */
    align-items: center;
    /* Flex子元素居中 */
}

.footer-col h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
    position: relative;
    padding-bottom: 12px;
}

.footer-col p {
    line-height: 1.6;
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
    text-align: left;
}

.footer-links-list,
.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    /* 列表项居中 */
}

.contact-list {
    align-items: flex-start;
    /* 联系方式左对齐 */
}

.footer-links-list li a,
.contact-list li {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s var(--ease-liquid);
    display: flex;
    align-items: center;
    justify-content: center;
    /* 内容居中 */
    gap: 8px;
    font-size: 13px;
}

.footer-links-list li a:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 12px;
    opacity: 0.6;
}

.footer-bottom a {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--primary-color);
}

.footer-links {
    margin-top: 8px;
    font-size: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s var(--ease-liquid);
}

.footer-links a:hover {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .footer-top {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    .footer-col {
        max-width: 100%;
    }

    .site-footer {
        padding-bottom: 80px;
    }
}