/* 确保 html 元素也有背景色 */
html {
    background-color: var(--bg-color);
    transition: background-color 0.3s;
}

/* 黑夜模式样式 - 增强版 */
:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --header-bg: #f8f9fa;
    --primary-color: #3498db;
    --hover-bg: #f5f5f5;
    --overlay-bg: rgba(0, 0, 0, 0.7);
    --modal-bg: #ffffff;
    --loader-bg: #f3f3f3;
    --loader-color: #3498db;
    --secondary-text: #7f8c8d;
    --main-header-bg: rgba(255, 255, 255, 0.1);
    --edit-control-bg: rgba(255, 255, 255, 0.95);
}

.dark-mode {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --card-bg: #1e1e1e;
    --border-color: #444444;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --header-bg: #2d2d2d;
    --primary-color: #2980b9;
    --hover-bg: #2a2a2a;
    --overlay-bg: rgba(0, 0, 0, 0.85);
    --modal-bg: #1e1e1e;
    --loader-bg: #333333;
    --loader-color: #2980b9;
    --secondary-text: #aaaaaa;
    --main-header-bg: rgba(0, 0, 0, 0.1);
    --edit-control-bg: rgba(30, 30, 30, 0.95);
}

* {
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color) !important;
    color: var(--text-color) !important;
    transition: background-color 0.3s, color 0.3s !important;
    margin: 0 !important;
    padding: 20px !important;
    min-height: 100vh !important;
    min-width: 460px;
}

.dark-mode body {
    background-color: #121212 !important;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* 主内容区域布局 */
.main-content {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.left-column {
    flex: 3;
    min-width: 0; /* 防止内容溢出 */
}

.right-column {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 顶部导航栏样式更新 */
.main-header {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 10px; /* 减小圆角 */
    padding: 10px 20px; /* 减小内边距 */
    margin-bottom: 5px; /* 减小与下面的间距 */
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px var(--shadow-color); /* 减小阴影 */
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    transition: all 0.3s ease;
    min-height: 60px; /* 固定最小高度 */
}

.dark-mode .main-header {
    background-color: #1e1e1e;
    border-color: #444;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-size: 1.4rem; /* 减小字体大小 */
    margin: 0;
    white-space: nowrap;
}

.logo-icon {
    font-size: 1.5rem;
}

.theme-toggle-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle-label {
    font-size: 0.9rem;
    color: var(--text-color);
    white-space: nowrap;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 15px;
    align-items: center;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--text-color) !important;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background-color 0.3s, color 0.3s !important;
}

nav a:hover {
    background-color: var(--hover-bg);
    color: var(--text-color) !important;
}

/* 主题切换按钮 */
.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s;
    margin-left: 10px;
}

.theme-toggle:hover {
    background-color: var(--hover-bg);
}

/* 新闻内容容器 */
.news-container {
    display: table;
    width: 100%;
    margin: 0 auto 20px;
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow-color);
    border: 1px solid var(--border-color);
    min-width: 360px; 
    align-items: stretch;
}

.section-header {
    display: none;
}

.section-header h1 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--text-color);
}

.section-sidebar {
    display: table-cell;
    vertical-align: top; /* 确保内容顶部对齐 */
    position: relative;
    width: 50px;
    max-width: 50px;
    background: var(--header-bg);
    border-right: 1px solid var(--border-color);
    border-radius: 8px 0px 0px 8px;
    /* 确保高度与section-content一致 */
}


.sidebar-add-btn {
    background-color: var(--primary-color);
    position: relative; /* 确保在文档流中 */
    color: white;
    border: none;
    width: 24px;
    height: 24px;
    margin-top: 9px;
    margin-left: 13px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px var(--shadow-color);
    flex-shrink: 0;
}

.sidebar-add-btn:hover {
    background-color: #2980b9;
    transform: scale(1.1);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.add-news-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px var(--shadow-color);
}

.add-news-btn:hover {
    background-color: #2980b9;
    transform: scale(1.1);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.add-news-btn:active {
    transform: scale(0.95);
}

/* 添加展示框相关样式 */
#showcase-container .news-container {
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow-color);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    display: flex;
}

/* 展示内容区域样式 */
.showcase-content-inner {
    max-height: 400px;
    overflow-y: auto;
    padding: 15px;
    background: var(--card-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* 展示内容内部元素样式调整 */
.showcase-content-inner h1,
.showcase-content-inner h2,
.showcase-content-inner h3,
.showcase-content-inner h4,
.showcase-content-inner h5,
.showcase-content-inner h6 {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
    color: var(--text-color) !important;
}

.showcase-content-inner p {
    margin: 0.5em 0;
    line-height: 1.5;
}

.showcase-content-inner img {
    max-width: 100%;
    height: auto;
}

.showcase-content-inner a {
    color: var(--primary-color);
    text-decoration: none;
}

.showcase-content-inner a:hover {
    text-decoration: underline;
}

/* 展示选项样式 */
.showcase-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    margin: 4px 0;
    background: var(--hover-bg);
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.showcase-option:hover {
    background: var(--card-bg);
}

.showcase-option input[type="radio"] {
    margin-right: 10px;
}

/* 清除设置按钮样式 */
#clear-personalization-btn {
    background-color: #95a5a6;
    color: white;
}

#clear-personalization-btn:hover {
    background-color: #7f8c8d;
}

/* 展示内容滚动条样式 */
.showcase-content-inner::-webkit-scrollbar {
    width: 8px;
}

.showcase-content-inner::-webkit-scrollbar-track {
    background: var(--hover-bg);
    border-radius: 4px;
}

.showcase-content-inner::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.showcase-content-inner::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}

/* 纵向板块名样式 */
.section-name-vertical {
    position: absolute;
    top: 40px;
    left: 0px;
    right: 15px;
    bottom: 10px;
    writing-mode: vertical-lr;
    overflow: hidden;
    white-space: nowrap;
    transform: rotate(180deg);
    text-align: right;
}

.section-content {
    flex: 1;
    padding: 15px;
    display: flex;
    flex-direction: column;
}

/* 新闻列表 */
.news-list-container {
    flex: 1;
    margin-top: 0;
}

.news-list {
    display: table-cell;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.news-item {
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 15px;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.3s;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
}

.news-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--shadow-color);
    background-color: var(--hover-bg);
}

.news-item h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1rem;
    line-height: 1.3;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 10px;
}

.news-item p {
    color: var(--secondary-text);
    font-size: 0.85em;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px; /* 限制最大宽度 */
    flex-shrink: 0;
    margin-right: 10px;
}

.news-menu-btn {
    background: none;
    border: none;
    color: var(--text-color);
    opacity: 0.6;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px 8px;
    border-radius: 4px;
    transition: opacity 0.3s, background-color 0.3s;
    flex-shrink: 0;
    margin-left: auto; /* 推到最右侧 */
}

.news-menu-btn:hover {
    opacity: 1;
    background-color: var(--hover-bg);
}

/* 新闻项内部容器 */
.news-item-content {
    display: flex;
    align-items: center;
    overflow: hidden;
    position: absolute;
    left: 15px;
    right: 15px;
    top: 5px;
    bottom: 5px;
}

/* 工具卡片样式 */
.tools-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px var(--shadow-color);
    border: 1px solid var(--border-color);
    margin-bottom: 0; /* 移除底部间距，由 gap 控制 */
}

.tool-card {
    display: none;
    margin-bottom: 20px;
}

.tool-card.active {
    display: block;
}

.tool-card h3 {
    color: var(--text-color);
    margin-top: -5px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.tool-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.tool-btn {
    width: 100%;
    text-align: left;
    padding: 10px 15px;
}

/* 右侧悬浮层样式 */
.floating-quick-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 70px;
    height: 100%;
    background: var(--card-bg);
    border-left: 1px solid var(--border-color);
    box-shadow: -2px 0 10px var(--shadow-color);
    z-index: 900;
    display: none; /* 默认隐藏 */
    flex-direction: column;
    align-items: center;
    padding: 10px 10px 10px;
    overflow-y: auto;
    overflow-x: hidden;
}

.floating-quick-links h3 {
    text-align: center;
    margin: 20px 0;
    font-size: 1.2rem;
    color: var(--text-color);
    font-weight: bold;
    letter-spacing: 2px;
}

.floating-quick-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
}

.floating-quick-links li {
    width: 100%;
    text-align: center;
    margin-top: -10px;
}

.floating-quick-links a {
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 5px 5px;
    border-radius: 4px;
    transition: background-color 0.3s;
    font-size: 0.85rem;
    width: 100%;
}

.floating-quick-links a:hover {
    background-color: var(--hover-bg);
}

.floating-quick-links i {
    font-size: 1.0rem;
}

/* 添加展示框相关样式 */
#showcase-container .news-container {
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow-color);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    display: flex;
}

/* 展示选项样式 */
.showcase-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    margin: 4px 0;
    background: var(--hover-bg);
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.showcase-option:hover {
    background: var(--card-bg);
}

.showcase-option input[type="radio"] {
    margin-right: 10px;
}

/* 清除设置按钮样式 */
#clear-personalization-btn {
    background-color: #95a5a6;
    color: white;
}

#clear-personalization-btn:hover {
    background-color: #7f8c8d;
}


/* 快捷链接卡片样式 */
.quick-links-card {
    display: block; /* 默认显示 */
}

.quick-links-card h2 {
    color: var(--text-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.2rem;
}

.quick-links-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.quick-links-card li {
    margin-bottom: 10px;
}

.quick-links-card a {
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s;
    font-size: 0.95rem;
}

.quick-links-card a:hover {
    background-color: var(--hover-bg);
    text-decoration: underline;
}

/* 用户信息样式 */
.user-info {
    background: var(--hover-bg);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
}

.user-info p {
    margin: 8px 0;
    font-size: 14px;
}

.user-info strong {
    color: var(--text-color);
    display: inline-block;
    width: 80px;
}

.admin-badge {
    background: #f39c12;
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 5px;
}

.pending-badge {
    background: #3498db;
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 5px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
    background: var(--card-bg);
    color: var(--text-color);
}

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

/* 按钮样式 */
.btn {
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
    background-color: var(--primary-color);
    color: white;
}

.btn:hover {
    filter: brightness(0.9);
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-danger {
    background-color: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-success {
    background-color: #27ae60;
    color: white;
}

.btn-success:hover {
    background-color: #219653;
}

.btn-warning {
    background-color: #f39c12;
    color: white;
}

.btn-warning:hover {
    background-color: #d68910;
}

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

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

/* Tab容器 */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--primary-color);
    margin-bottom: 15px;
}

.tab {
    padding: 8px 15px;
    cursor: pointer;
    background: var(--hover-bg);
    border-radius: 4px 4px 0 0;
    margin-right: 5px;
    transition: all 0.3s;
    font-weight: 500;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-bottom: none;
    position: relative;
    top: 1px;
    font-size: 13px;
}

.tab:hover {
    background: var(--card-bg);
}

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

.tab-content {
    display: none;
    padding: 15px 0;
}

.tab-content.active {
    display: block;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 13px;
}

th, td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--header-bg);
    color: var(--text-color);
    font-weight: 600;
}

tr:nth-child(even) {
    background: var(--hover-bg);
}

tr:hover {
    background: var(--card-bg);
}

.action-cell {
    display: flex;
    gap: 5px;
}

.user-list-container {
    max-height: 300px;
    overflow-y: auto;
}

.schema-table-container {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 15px;
}

/* 消息样式 */
.message {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 500;
    font-size: 14px;
}

.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 覆盖层样式 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-bg);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.overlay-content {
    background: var(--modal-bg);
    color: var(--text-color);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.overlay-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--header-bg);
}

.news-content {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
}

.overlay-actions {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}


/* 防止背景页面滚动 */
body.homepage-open {
    overflow: hidden;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-bg);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--modal-bg);
    color: var(--text-color);
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--header-bg);
}

.modal-body {
    padding: 20px;
}

.modal-actions {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* 编辑模式样式 */
.edit-area {
    padding: 20px;
    flex-grow: 1;
}

.news-editor {
    width: 100%;
    height: 400px;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: monospace;
    resize: vertical;
    background: var(--card-bg);
    color: var(--text-color);
}

/* 加载动画 */
.loader {
    border: 5px solid var(--loader-bg);
    border-top: 5px solid var(--loader-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 快捷链接 */
.quick-links {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.quick-links h3 {
    margin-bottom: 10px;
    font-size: 16px;
}

.quick-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.quick-links li {
    margin-bottom: 8px;
}

.quick-links a {
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.quick-links a:hover {
    background-color: var(--hover-bg);
    text-decoration: underline;
}

/* 页脚 */
footer {
    text-align: center;
    margin-top: 40px;
    color: var(--secondary-text);
    font-size: 14px;
    padding: 10px 0;
    border-top: 1px solid var(--border-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
    }

    .container {
        padding-right: 10px;
    }
    
    .right-column {
        order: 3; /* 将右侧栏放到最下面 */
        width: 100%;
        max-width: 100%;
        flex-direction: column;
        gap: 15px;
        margin-top: -20px;
    }
    
    /* 隐藏原有的快捷链接卡片，显示悬浮层 */
    .quick-links-card {
        display: none;
    }
    
    .floating-quick-links {
        display: flex;
    }
    
    /* 为悬浮层留出空间 */
    body {
        padding-right: 70px !important;
    }
    
    
    /* 新闻列表调整 */
    .news-list {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}


@media (max-width: 768px) {
    body {
        padding: 10px !important;
        padding-right: 70px !important;
    }
    
    #showcase-container {
        margin-left: 0;
        margin-right: 0;
    }
    
    .showcase-content-inner {
        max-height: 300px;
        padding: 10px;
    }
    
    /* 窄屏模式下新闻板块侧边栏保持纵向 */
    .news-container {
        flex-direction: row;
        margin: 0 auto 10px;
    }

    /* 新闻项内部容器 */
    .news-item-content {
        overflow: hidden;
    }
    
    .section-sidebar {
        height: 100%;
        flex-direction: column;
        width: 50px;
        padding: 10px 0;
        border-right: 1px solid var(--border-color);
    }
    
    /* 悬浮层显示 */
    .floating-quick-links {
        display: flex;
        width: 70px;
    }
    
    /* 调整悬浮层内容 */
    .floating-quick-links a {
        padding: 6px 5px;
        font-size: 0.8rem;
    }
    
    .floating-quick-links i {
        font-size: 1.4rem;
    }
    
    /* 新闻项在窄屏下调整 */
    .news-item {
        padding: 10px 12px;
        min-height: 70px;
    }
    
    .news-item h3 {
        font-size: 1.4rem;
        margin-right: 8px;
    }
    
    .news-item p {
        max-width: 100px;
        font-size: 0.8rem;
        margin-right: 8px;
    }
    
    .news-menu-btn {
        font-size: 1.1rem;
        padding: 3px 6px;
    }
    
    /* 黑夜模式按钮和文字在同一行 */
    .theme-toggle-container {
        display: flex;
        align-items: center;
        gap: 5px;
    }
    
    .theme-toggle-label {
        font-size: 0.8rem;
    }
    
    .main-header {
        flex-direction: row;
        padding: 8px 15px;
        min-height: 50px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
        max-width: 200px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .news-list {
        grid-template-columns: 1fr;
    }
    
    .overlay-content {
        width: 95%;
        height: 95%;
    }
    
    .overlay-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* 历史列表 */
.history-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 200px;
    overflow-y: auto;
}

.history-item {
    background: var(--hover-bg);
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
    border-left: 3px solid var(--primary-color);
}

.history-item strong {
    color: var(--text-color);
    display: block;
    margin-bottom: 5px;
}

.history-item p {
    margin: 5px 0;
    font-size: 13px;
    color: var(--secondary-text);
}

.history-item .timestamp {
    font-size: 12px;
    color: var(--secondary-text);
    font-style: italic;
}

/* 表单行 */
.form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

/* 危险区域 */
.danger-zone {
    margin-top: 20px;
    padding: 15px;
    background: rgba(231, 76, 60, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.danger-zone h3 {
    color: #e74c3c;
    margin-bottom: 10px;
}

.danger-zone p {
    font-size: 14px;
    color: var(--text-color);
}

/* 列表单 */
.column-form {
    margin-top: 20px;
    padding: 15px;
    background: var(--hover-bg);
    border-radius: 6px;
}

.column-form h3 {
    margin-bottom: 15px;
}

/* 设置首页按钮 */
.set-homepage-btn {
    background-color: #27ae60;
    color: white;
}

.set-homepage-btn:hover {
    background-color: #219653;
}

/* 音乐容器样式 */
.musiccontainer > header {
    background: var(--bg-color) !important;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-color) !important;
}

/* 初始化隐藏所有工具卡片 */
.tool-card {
    display: none;
}

.tool-card.active {
    display: block;
}

/* 用户管理覆盖层样式 */
.overlay-body {
    padding: 20px;
    flex-grow: 1;
    overflow-y: auto;
}

#admin-overlay .tabs {
    margin-bottom: 20px;
}

#admin-overlay .tab-content {
    padding: 15px 0;
}

/* 切换开关样式 */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 20px;
    margin-right: 10px;
    vertical-align: middle;
}

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

.toggle-switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 20px;
}

.toggle-switch .slider:before {
    position: absolute;
    content: "";
    height: 12px;
    width: 12px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

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

.toggle-switch input:checked + .slider:before {
    transform: translateX(14px);
}