/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 防止图片拖拽和下载 */
img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    -webkit-touch-callout: none;
    pointer-events: auto;
}

img[draggable="true"] {
    -webkit-user-drag: auto;
    -khtml-user-drag: auto;
    -moz-user-drag: auto;
    -o-user-drag: auto;
    user-drag: auto;
}

/* 防止图片被右键保存 */
.board-icon, .logo-image, .cache-platform-icon, .cache-config-icon, .board-toggle-icon {
    pointer-events: none;
}

/* 右侧悬浮快捷按钮 */
.floating-shortcut {
    position: fixed;
    right: 28px;
    bottom: 80px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.floating-toggle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(128, 128, 128, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

/* 回到顶部按钮 - 固定定位，不影响悬浮按钮位置 */
#backToTop {
    position: absolute;
    bottom: -48px;
    right: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
}

#backToTop[style*="display: flex"] {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.floating-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

.floating-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    position: absolute;
    bottom: 51px; /* 在 floatingToggle 按钮上方 */
    right: 0;
    max-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    opacity: 0;
    transition: all 0.3s ease;
    background: transparent;
    scrollbar-width: none; /* Firefox */
}

.floating-content::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.floating-shortcut.expanded .floating-content {
    opacity: 1;
    max-height: 800px;
}

.floating-shortcut.expanded .floating-toggle {
    background: rgba(220, 38, 38, 0.15);
    border-color: rgba(220, 38, 38, 0.3);
}

.floating-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(128, 128, 128, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    text-decoration: none;
}

.floating-icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    pointer-events: none;
}

.floating-icon:hover {
    background: rgba(220, 38, 38, 0.15);
    border-color: rgba(220, 38, 38, 0.3);
}

/* 暗色模式调整 */
[data-theme="dark"] .floating-toggle,
[data-theme="dark"] .floating-icon {
    background: rgba(0, 0, 0, 0.3);
}

:root {
    /* 浅色模式（默认） */
    --bg-primary: #FAFAFA;
    --bg-sidebar: #000000;
    --accent-red: #DC2626;
    --text-primary: #000000;
    --text-secondary: #5E5E5E;
    --text-tertiary: #999999;
    --border: #E5E5E5;
    --success: #22C55E;
    --info: #3B82F6;
    --warning: #F59E0B;
    --danger: #EF4444;
    --card-bg: #FFFFFF;
    --hover-bg: rgba(0, 0, 0, 0.02);
    --header-bg: #FAFAFA;
    --meta-text: #999999;
}

/* 暗色模式 */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-sidebar: #0d0d0d;
    --accent-red: #DC2626;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-tertiary: #666666;
    --border: #333333;
    --success: #22C55E;
    --info: #3B82F6;
    --warning: #F59E0B;
    --danger: #EF4444;
    --card-bg: #2a2a2a;
    --hover-bg: rgba(255, 255, 255, 0.05);
    --header-bg: #1a1a1a;
    --meta-text: #666666;
}

body {
    font-family: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.loading {
    cursor: wait;
}

.container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* 侧边栏 */
.sidebar {
    width: 64px;
    background: var(--bg-sidebar);
    padding: 32px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    flex-shrink: 0;
    height: 100vh;
    transition: background-color 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon {
    height: 40px;
    width: auto;
    object-fit: contain;
}

/* 主题切换按钮 */
.theme-toggle {
    margin-top: auto;
    margin-bottom: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 8px;
    font-size: 20px;
    position: relative;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.theme-toggle .theme-icon-light {
    display: block;
}

.theme-toggle .theme-icon-dark {
    display: none;
}

.theme-toggle .theme-icon-system {
    display: none;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    border-radius: 8px;
    font-size: 20px;
}

.nav-item.active {
    background: var(--accent-red);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 主内容区 */
.main-content {
    flex: 1;
    padding: 48px 64px;
    overflow-y: auto;
    height: 100vh;
    min-width: 0;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* 头部 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    position: sticky;
    top: 0;
    background: rgba(250, 250, 250, 0.11);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px 24px;
    padding-bottom: 24px;
    border-radius: 16px;
    z-index: 10;
    margin-top: -20px;
}

/* 暗色模式下的 header */
[data-theme="dark"] .header {
    background: rgba(26, 26, 26, 0.11);
}

.title-group h1 {
    font-size: 40px;
    font-weight: 600;
    letter-spacing: -2px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

/* 亮色模式下反转颜色，让白色字体变黑 */
[data-theme="light"] .logo-image {
    filter: invert(1) hue-rotate(180deg);
}

.title-group p {
    font-size: 13px;
    color: var(--text-secondary);
}

.actions {
    display: flex;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-family: 'Sora', sans-serif;
    font-size: 12px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 6px;
}

.btn-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    vertical-align: middle;
}

.nav-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: #FAFAFA; /* 保持白色，不随主题变化 */
}

.section-icon {
    flex-shrink: 0;
}

.theme-toggle .theme-icon-light,
.theme-toggle .theme-icon-dark,
.theme-toggle .theme-icon-system {
    width: 24px;
    height: 24px;
    color: #FAFAFA; /* 保持白色，不随主题变化 */
}

/* 浅色模式：显示太阳图标 */
[data-theme="light"] .theme-toggle .theme-icon-light {
    display: block !important;
}
[data-theme="light"] .theme-toggle .theme-icon-dark,
[data-theme="light"] .theme-toggle .theme-icon-system {
    display: none !important;
}

/* 暗色模式：显示靶心图标 */
[data-theme="dark"] .theme-toggle .theme-icon-dark {
    display: block !important;
}
[data-theme="dark"] .theme-toggle .theme-icon-light,
[data-theme="dark"] .theme-toggle .theme-icon-system {
    display: none !important;
}

/* 跟随系统模式：显示电脑图标 */
[data-theme-mode="system"] .theme-toggle .theme-icon-system {
    display: block !important;
}
[data-theme-mode="system"] .theme-toggle .theme-icon-light,
[data-theme-mode="system"] .theme-toggle .theme-icon-dark {
    display: none !important;
}

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

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-primary {
    background: var(--accent-red);
    color: var(--bg-primary);
    font-weight: 600;
}

.btn-primary:hover {
    opacity: 0.9;
}

/* 缓存面板 */
.cache-panel {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.cache-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.cache-panel-header h3 {
    font-size: 16px;
    margin: 0;
}

.cache-status-content {
    margin-top: 16px;
}

.cache-config-content {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.cache-config-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.cache-config-item label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.cache-config-item input {
    width: 80px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    text-align: center;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: background-color 0.3s ease, border-color 0.2s ease;
}

.cache-config-item input:focus {
    outline: none;
    border-color: var(--accent-red);
    background: var(--bg-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0 8px;
}

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

.cache-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.cache-table th,
.cache-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.cache-table th {
    font-weight: 600;
    background: rgba(0,0,0,0.02);
}

/* 缓存状态平台图标 */
.cache-platform {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cache-platform-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    flex-shrink: 0;
}

/* 缓存配置平台图标 */
.cache-config-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.cache-config-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

.cache-config-input {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cache-panel h4 {
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 14px;
}

.cache-panel ul {
    list-style: none;
    padding-left: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.cache-panel li {
    padding: 4px 0;
}

/* 榜单容器 - 可拖拽排序 */
.boards-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
    min-width: 100%;
}

.board {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    width: 100%;
}

.board.dragging {
    opacity: 0.3;
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
}

.board.drag-over {
    border-color: var(--accent-red) !important;
    border-style: dashed !important;
    background: rgba(220, 38, 38, 0.05);
    transition: border-color 0.2s, background 0.2s;
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 2px solid var(--border);
    background: rgba(0,0,0,0.02);
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.board-title {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.board-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

.board-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.board-meta {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
}

.drag-handle {
    cursor: grab;
    font-size: 18px;
    color: #999999;
    user-select: none;
    padding: 4px 8px;
    margin-right: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, opacity 0.2s;
}

.drag-handle[draggable="true"] {
    cursor: grab;
}

.drag-handle:hover {
    color: var(--accent-red);
    opacity: 1;
}

.drag-handle:active {
    cursor: grabbing;
}

/* 暗色模式下的拖拽手柄 */
[data-theme="dark"] .drag-handle {
    color: #666666;
}

[data-theme="dark"] .drag-handle:hover {
    color: #dc2626;
}

/* 榜单内容 - 可滑动 */
.board-content {
    width: 100%;
    max-height: 500px;
    overflow-y: auto;
    padding: 0;
}

.board-content::-webkit-scrollbar {
    width: 8px;
}

.board-content::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.board-content::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.board-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* 列表项 */
.trend-list {
    display: flex;
    flex-direction: column;
    position: relative;
}

.trend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(229, 229, 229, 0.5);
    cursor: pointer;
    transition: background 0.15s;
}

.trend-item:hover {
    background: rgba(0, 0, 0, 0.02);
}

.trend-item:last-child {
    border-bottom: none;
}

.trend-item.expanded {
    align-items: flex-start;
    background: rgba(220, 38, 38, 0.04);
}

/* 排名 */
.trend-rank {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    width: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    margin-top: 2px;
}

/* 内容区 */
.trend-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.trend-title {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 0;
}

.trend-desc {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.7;
    margin-top: 4px;
    padding: 8px;
    background: rgba(220, 38, 38, 0.06);
    border-radius: 6px;
    border-left: 3px solid var(--accent-red);
    display: none;
    word-break: break-word;
}

.trend-item:hover .trend-title {
    color: var(--accent-red);
}

.trend-desc {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.7;
    margin-top: 8px;
    padding: 12px;
    background: rgba(220, 38, 38, 0.06);
    border-radius: 6px;
    border-left: 3px solid var(--accent-red);
    display: none;
    word-break: break-word;
}

.trend-desc-empty {
    color: var(--text-secondary);
    font-style: italic;
    background: rgba(0, 0, 0, 0.03);
    border-left-color: var(--text-tertiary);
}

.trend-item.expanded .trend-desc {
    display: block;
    animation: fadeIn 0.2s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.trend-meta {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 0;
    flex-wrap: wrap;
    margin-left: auto;
    align-self: center;
    line-height: 1;
}

.heat-value {
    color: var(--accent-red);
    font-weight: 500;
    white-space: nowrap;
    line-height: 1;
}

/* 外部链接按钮 */
.trend-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    color: var(--text-tertiary);
    transition: all 0.2s ease;
    border-radius: 4px;
    text-decoration: none;
    flex-shrink: 0;
    margin-left: 8px;
    opacity: 0;
    transform: translateX(10px);
    align-self: center;
}

.trend-item:hover .trend-link {
    opacity: 1;
    transform: translateX(0);
}

.trend-link:hover {
    color: var(--accent-red);
    background: rgba(220, 38, 38, 0.1);
}

.trend-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(229, 229, 229, 0.5);
    cursor: pointer;
    transition: background 0.15s;
    position: relative;
}

.trend-item.expanded {
    align-items: flex-start;
    background: rgba(220, 38, 38, 0.04);
}

/* 设置页面 */
.settings-section {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

/* 可折叠板块 */
.settings-section.collapsible {
    overflow: hidden;
}

.settings-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.settings-section .section-header h2 {
    margin-bottom: 0;
}

.settings-section .toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.3s ease;
    color: var(--text-secondary);
}

.settings-section .toggle-btn:hover {
    background: var(--hover-bg);
}

.settings-section .toggle-btn .arrow {
    display: inline-block;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.settings-section.collapsed .toggle-btn .arrow {
    transform: rotate(-90deg);
}

.settings-section.collapsed .settings-desc,
.settings-section.collapsed .cache-status-content,
.settings-section.collapsed .cache-config-content,
.settings-section.collapsed .board-toggles,
.settings-section.collapsed .data-check-results,
.settings-section.collapsed #checkDataBtn,
.settings-section.collapsed #refreshCacheBtn,
.settings-section.collapsed #saveCacheConfigBtn {
    display: none;
}

.settings-section h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.settings-desc {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 20px;
}

/* 榜单开关 */
.board-toggles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.board-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: background-color 0.3s ease, border-color 0.2s ease;
}

.board-toggle-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.board-toggle-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

.board-toggle-name {
    font-weight: 500;
}

.board-toggle-status {
    font-size: 11px;
    color: var(--text-secondary);
}

/* 36 氪标签 */
.card-tag {
    display: inline-block;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 6px;
    font-weight: 500;
}

.card-tag.red {
    background: rgba(220, 38, 38, 0.1);
    color: #DC2626;
}

.card-tag.blue {
    background: rgba(59, 130, 246, 0.1);
    color: #3B82F6;
}

.card-tag.green {
    background: rgba(34, 197, 94, 0.1);
    color: #22C55E;
}

/* 微博特殊样式 */
.weibo-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.weibo-icons {
    flex-shrink: 0;
    margin-left: 8px;
}

.weibo-icon {
    display: inline-block;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
    margin-left: 4px;
}

.weibo-icon.hot {
    background: rgba(220, 38, 38, 0.1);
    color: #DC2626;
}

.weibo-icon.new {
    background: rgba(59, 130, 246, 0.1);
    color: #3B82F6;
}

.weibo-icon.recommend {
    background: rgba(34, 197, 94, 0.1);
    color: #22C55E;
}

.weibo-icon.boom {
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
}

/* 开关按钮 */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: 0.3s;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--success);
}

input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

/* 评分样式（豆瓣） */
.rating-value {
    color: #F59E0B;
    font-weight: 600;
}

/* 数据检查结果 */
.data-check-results {
    margin-top: 20px;
}

.check-hint {
    color: var(--text-secondary);
    font-size: 13px;
}

.check-result {
    padding: 16px;
    border-radius: 8px;
    margin-top: 12px;
}

.check-result.valid {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
}

.check-result.invalid {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
}

.check-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.check-result-title {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.check-result-item {
    padding: 12px;
    background: rgba(0,0,0,0.02);
    border-radius: 6px;
    margin-bottom: 8px;
}

.check-result-item:last-child {
    margin-bottom: 0;
}

.check-result-item-title {
    font-weight: 500;
    margin-bottom: 4px;
}

.check-result-item-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 加载状态 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-tertiary);
    font-size: 14px;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--accent-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 12px;
}

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

/* 错误状态 */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    text-align: center;
    color: var(--text-secondary);
    min-height: 200px;
}

.error-state p {
    font-size: 14px;
    margin-bottom: 8px;
}

.error-state small {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* 暗色模式特定样式 */
[data-theme="dark"] .board {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .trend-item:hover {
    background: var(--hover-bg);
}

[data-theme="dark"] .trend-desc {
    background: rgba(220, 38, 38, 0.1);
}

[data-theme="dark"] .trend-desc-empty {
    background: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .board-header {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .settings-section {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .board-toggle {
    background: var(--bg-primary);
    border-color: var(--border);
}

[data-theme="dark"] .cache-config-item {
    background: var(--hover-bg);
    border-color: var(--border);
}

[data-theme="dark"] .cache-config-item input {
    background: var(--bg-primary);
    border-color: var(--border);
}

[data-theme="dark"] .cache-config-item input:focus {
    background: var(--bg-primary);
    border-color: var(--accent-red);
}

[data-theme="dark"] .check-result.valid {
    background: rgba(34, 197, 94, 0.15);
}

[data-theme="dark"] .check-result.invalid {
    background: rgba(239, 68, 68, 0.15);
}

[data-theme="dark"] .check-result-item {
    background: rgba(255, 255, 255, 0.02);
}

/* 响应式 */
@media (max-width: 1024px) {
    .main-content {
        padding: 32px;
    }
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: var(--accent-red);
    color: var(--bg-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
    transition: all 0.3s ease;
    z-index: 100;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.5);
}

.back-to-top:active {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .main-content {
        padding: 24px;
    }

    .header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .title-group h1 {
        font-size: 28px;
    }

    .actions {
        flex-wrap: wrap;
    }
}

/* ════════════════════════════════════════════════════════
   底部备案信息
   ════════════════════════════════════════════════════════ */

.site-footer {
    position: fixed;
    bottom: 0;
    left: 65px;
    right: 16px;
    /*background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);*/
    padding: 8px 0;
    z-index: 100;
    font-size: 11px;
    transition: all 0.3s ease;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.footer-text {
    margin: 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.footer-divider {
    color: var(--border);
    margin: 0 4px;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--accent-red);
    text-decoration: underline;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .site-footer {
        position: relative;
        margin-top: 40px;
    }
    
    .footer-text {
        flex-direction: column;
        gap: 4px;
    }
    
    .footer-divider {
        display: none;
    }
}

/* 鼠标悬停时显示 */
.main-content:hover ~ .site-footer,
.site-footer:hover {
    opacity: 1;
}