/* 全局样式 */
:root {
    --bg-color: #f5f5f5;
    --text-color: #333;
    --container-bg: #fff;
    --header-bg: #fff;
    --tab-bg: #e0e0e0;
    --tab-active-bg: #2196F3;
    --search-input-bg: #fff;
    --search-input-border: #ddd;
    --search-btn-bg: #4CAF50;
    --search-btn-hover-bg: #45a049;
    --tab-content-bg: #fff;
    --mode-btn-bg: #e0e0e0;
    --mode-btn-active-bg: #2196F3;
    --main-content-bg: #fff;
    --card-bg: #fafafa;
    --card-border: #ddd;
    --card-header-border: #eee;
    --card-type-electric-bg: #FFC107;
    --card-type-electric-text: #333;
    --card-type-water-bg: #2196F3;
    --card-type-water-text: white;
    --card-data-border: #eee;
    --toggle-details-btn-bg: #4CAF50;
    --toggle-details-btn-hover-bg: #45a049;
    --modal-content-bg: #fff;
    --detail-info-border: #eee;
    --data-table-header-bg: #f5f5f5;
    --data-table-border: #ddd;
    --count-btn-bg: #e0e0e0;
    --count-btn-active-bg: #2196F3;
    --custom-count-input-bg: #fff;
    --custom-count-input-border: #ddd;
    --set-custom-count-bg: #4CAF50;
    --set-custom-count-hover-bg: #45a049;
    --home-btn-bg: #e0e0e0;
    --home-btn-border: #ddd;
    --home-btn-hover-bg: #d5d5d5;
    --status-on-bg: #4CAF50;
    --status-off-bg: #F44336;
    --subscribe-btn-bg: #2196F3;
    --subscribe-btn-hover-bg: #1976D2;
    --unsubscribe-btn-bg: #f44336;
    --unsubscribe-btn-hover-bg: #d32f2f;
    --form-input-bg: #fff;
    --form-input-border: #ddd;
    --form-input-focus-border: #2196F3;
    --form-input-focus-shadow: rgba(33, 150, 243, 0.2);
    --footer-bg: #fff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

body.with-background {
    background-color: rgba(245, 245, 245, 0.9); /* 默认背景色带透明度 */
}

/* 暗色主题 */
body.dark-mode {
    --bg-color: #1a1a1a;
    --text-color: #f0f0f0;
    --container-bg: #2d2d2d;
    --header-bg: #333;
    --tab-bg: #444;
    --tab-active-bg: #2196F3;
    --search-input-bg: #444;
    --search-input-border: #555;
    --search-btn-bg: #4CAF50;
    --search-btn-hover-bg: #45a049;
    --tab-content-bg: #333;
    --mode-btn-bg: #444;
    --mode-btn-active-bg: #2196F3;
    --main-content-bg: #333;
    --card-bg: #444;
    --card-border: #555;
    --card-header-border: #555;
    --card-type-electric-bg: #FFC107;
    --card-type-electric-text: #333;
    --card-type-water-bg: #2196F3;
    --card-type-water-text: white;
    --card-data-border: #555;
    --toggle-details-btn-bg: #4CAF50;
    --toggle-details-btn-hover-bg: #45a049;
    --modal-content-bg: #333;
    --detail-info-border: #555;
    --data-table-header-bg: #444;
    --data-table-border: #555;
    --count-btn-bg: #444;
    --count-btn-active-bg: #2196F3;
    --custom-count-input-bg: #444;
    --custom-count-input-border: #555;
    --set-custom-count-bg: #4CAF50;
    --set-custom-count-hover-bg: #45a049;
    --home-btn-bg: #444;
    --home-btn-border: #555;
    --home-btn-hover-bg: #555;
    --form-input-bg: #444;
    --form-input-border: #555;
    --form-input-focus-border: #64B5F6;
    --form-input-focus-shadow: rgba(100, 181, 246, 0.2);
    --footer-bg: #333;
}

body.dark-mode {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.container {
    background-color: var(--container-bg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header {
    background-color: var(--header-bg);
    color: var(--text-color);
}

.tab {
    background-color: var(--tab-bg);
    color: var(--text-color);
}

.tab.active {
    background-color: var(--tab-active-bg);
}

#search-input {
    background-color: var(--search-input-bg);
    color: var(--text-color);
    border-color: var(--search-input-border);
}

#search-btn {
    background-color: var(--search-btn-bg);
}

#search-btn:hover {
    background-color: var(--search-btn-hover-bg);
}

.tab-content {
    background-color: var(--tab-content-bg);
    color: var(--text-color);
}

.mode-btn {
    background-color: var(--mode-btn-bg);
    color: var(--text-color);
}

.mode-btn.active {
    background-color: var(--mode-btn-active-bg);
}

.main-content {
    background-color: var(--main-content-bg);
}

.card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--text-color);
}

.card-header {
    border-bottom-color: var(--card-header-border);
}

.card-type.electric {
    background-color: var(--card-type-electric-bg);
    color: var(--card-type-electric-text);
}

.card-type.water {
    background-color: var(--card-type-water-bg);
    color: var(--card-type-water-text);
}

.card-data-item {
    border-bottom-color: var(--card-data-border);
}

.toggle-details-btn {
    background-color: var(--toggle-details-btn-bg);
}

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

.modal-content {
    background-color: var(--modal-content-bg);
    color: var(--text-color);
}

.detail-info-item {
    border-bottom-color: var(--detail-info-border);
}

.data-table th {
    background-color: var(--data-table-header-bg);
}

.data-table th,
.data-table td {
    border-bottom-color: var(--data-table-border);
}

.count-btn {
    background-color: var(--count-btn-bg);
    color: var(--text-color);
}

.count-btn.active {
    background-color: var(--count-btn-active-bg);
}

#custom-count-input {
    background-color: var(--custom-count-input-bg);
    color: var(--text-color);
    border-color: var(--custom-count-input-border);
}

#set-custom-count {
    background-color: var(--set-custom-count-bg);
}

#set-custom-count:hover {
    background-color: var(--set-custom-count-hover-bg);
}

.home-btn {
    background-color: var(--home-btn-bg);
    border-color: var(--home-btn-border);
}

.home-btn:hover {
    background-color: var(--home-btn-hover-bg);
}

.status-on {
    background-color: var(--status-on-bg);
}

.status-off {
    background-color: var(--status-off-bg);
}

.subscribe-btn {
    background-color: var(--subscribe-btn-bg);
}

.subscribe-btn:hover {
    background-color: var(--subscribe-btn-hover-bg);
}

#unsubscribe-btn {
    background-color: var(--unsubscribe-btn-bg);
}

#unsubscribe-btn:hover {
    background-color: var(--unsubscribe-btn-hover-bg);
}

.form-group input {
    background-color: var(--form-input-bg);
    color: var(--text-color);
    border-color: var(--form-input-border);
}

.form-group input:focus {
    border-color: var(--form-input-focus-border);
    box-shadow: 0 0 0 2px var(--form-input-focus-shadow);
}

.footer-content-container {
    background-color: var(--footer-bg);
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    background-color: var(--container-bg);
}

/* 顶部导航栏 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--header-bg);
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

/* 左侧内容（首页按钮和选项卡） */
.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 返回首页按钮 */
.home-btn {
    width: 40px;
    height: 40px;
    padding: 5px;
    background-color: var(--home-btn-bg);
    border: 1px solid var(--home-btn-border);
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, transform 0.2s;
    min-width: 40px; /* 确保最小宽度与选项卡按钮一致 */
}

.home-btn:hover {
    background-color: #d5d5d5;
    transform: scale(1.1);
}

/* 暗色主题下的返回首页按钮 */
body.dark-mode .home-btn {
    background-color: #444;
    border-color: #555;
    color: #f0f0f0;
}

body.dark-mode .home-btn:hover {
    background-color: #555;
}

/* 选项卡 */
.tabs {
    display: flex;
    gap: 10px;
}

.tab {
    padding: 10px 20px;
    background-color: var(--tab-bg);
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.tab.active {
    background-color: #2196F3;
    color: white;
}

/* 搜索框 */
.search-container {
    display: flex;
    gap: 10px;
}

#search-input {
    padding: 10px;
    border: 1px solid var(--search-input-border);
    border-radius: 5px;
    width: 250px;
}

#search-btn {
    padding: 10px 20px;
    background-color: var(--search-btn-bg);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#search-btn:hover {
    background-color: var(--search-btn-hover-bg);
}

/* 选项卡内容 */
.tab-content {
    background-color: var(--tab-content-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    padding: 20px;
}

.tab-pane {
    display: none;
}

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

/* 数据量选项 */
.data-count-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.data-count-options label {
    font-weight: bold;
    margin-bottom: 5px;
}

/* 模式选择按钮 */
.mode-selection {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.mode-btn {
    padding: 10px 20px;
    background-color: var(--mode-btn-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.mode-btn.active {
    background-color: #2196F3;
    color: white;
}

.mode-btn:hover {
    background-color: #d5d5d5;
}

.count-mode-options {
    display: block;
}

.count-options-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
}

.date-mode-options {
    display: block;
}

.date-options-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end; /* 让按钮与日期输入框底部对齐 */
    margin-top: 10px;
}

.date-options-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center; /* 让所有元素垂直居中对齐 */
    margin-top: 10px;
}

.date-inputs-full {
    display: flex;
    align-items: center;
    gap: 10px;
}

.date-label {
    font-weight: bold;
    margin-bottom: 0;
}

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

.date-range-separator {
    align-self: center;
    font-weight: bold;
    color: var(--text-color);
    margin: 0 5px;
}

.date-input-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.date-input-group input[type="date"] {
    padding: 8px;
    border: 1px solid var(--custom-count-input-border);
    border-radius: 5px;
    width: 120px; /* 与自定义数量输入框保持一致 */
    font-size: 14px;
    background-color: var(--form-input-bg);
    color: var(--text-color);
    font-family: inherit;
}

/* 日期选择器的下拉箭头样式调整 */
.date-input-group input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
}

/* 暗色主题下日期选择器的样式 */
body.dark-mode .date-input-group input[type="date"] {
    background-color: var(--form-input-bg);
    color: var(--text-color);
    border-color: var(--form-input-border);
}

/* 为日期输入框的占位符添加样式 */
.date-input-group input[type="date"]::placeholder {
    color: #999;
    opacity: 0.7;
}

#load-date-data {
    padding: 8px 15px;
    background-color: var(--set-custom-count-bg);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: fit-content;
    align-self: flex-start;
}

#load-date-data:hover {
    background-color: var(--set-custom-count-hover-bg);
}

.preset-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.count-btn {
    padding: 8px 15px;
    background-color: var(--count-btn-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.count-btn.active {
    background-color: #2196F3;
    color: white;
}

.count-btn:hover {
    background-color: #d5d5d5;
}

.custom-input {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: nowrap;
}

#custom-count-input {
    padding: 8px;
    border: 1px solid var(--custom-count-input-border);
    border-radius: 5px;
    width: 120px;
}

#set-custom-count {
    padding: 8px 15px;
    background-color: var(--set-custom-count-bg);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

/* 模式按钮 */
.mode-buttons {
    display: flex;
    gap: 10px;
}

.mode-btn {
    padding: 10px 20px;
    background-color: var(--mode-btn-bg);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.mode-btn.active {
    background-color: #2196F3;
    color: white;
}

.mode-btn:hover {
    background-color: #d5d5d5;
}

/* 主要内容区域 */
.main-content {
    background-color: var(--main-content-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

/* 卡片容器 */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* 卡片样式 */
.card {
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 20px;
    background-color: var(--card-bg);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--card-header-border);
    min-height: 24px;
}

.card-title {
    font-size: 18px;
    font-weight: bold;
    color: #2196F3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
}

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

.card-type {
    font-size: 14px;
    padding: 3px 8px;
    border-radius: 10px;
    background-color: #e0e0e0;
}

.card-type.electric {
    background-color: #FFC107;
    color: #333;
}

.card-type.water {
    background-color: #2196F3;
    color: white;
}

/* 状态指示器 */
.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.status-on {
    background-color: #4CAF50; /* 绿色 */
}

.status-off {
    background-color: #F44336; /* 红色 */
}

.card-info {
    margin-bottom: 15px;
}

.card-info-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.card-info-label {
    font-weight: bold;
}

.card-data {
    margin-top: 15px;
    flex-grow: 1;
}

.card-data-item {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid var(--card-data-border);
}

.card-data-label {
    font-weight: bold;
}

.card-data-value {
    font-family: 'Courier New', monospace;
}

.toggle-details-btn {
    padding: 10px;
    background-color: var(--toggle-details-btn-bg);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    flex-grow: 1;
    transition: background-color 0.3s;
    margin-top: auto;
}

.toggle-details-btn:hover {
    background-color: #45a049;
}

/* 卡片按钮组 */
.card-buttons {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
    width: 100%;
}

.toggle-details-btn {
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    flex-grow: 1;
    transition: background-color 0.3s;
    margin-top: auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.toggle-details-btn:hover {
    background-color: #45a049;
}

.subscribe-btn {
    padding: 10px;
    background-color: var(--subscribe-btn-bg);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 40px;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.subscribe-btn:hover {
    background-color: #1976D2;
}

/* 图表模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--modal-content-bg);
    margin: 5% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 800px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.detail-modal-content {
    max-height: 80vh;
    overflow-y: auto;
}

.subscribe-modal-content {
    max-width: 500px;
}

.verification-modal-content {
    max-width: 400px;
    text-align: center;
}

.verification-result {
    margin-top: 20px;
}

.verification-success {
    color: #4CAF50;
}

.unsubscribe-verification-success {
    color: #4CAF50;
}

.celebration-symbol {
    font-size: 48px;
    margin: 20px 0;
}

#close-verification-modal {
    padding: 10px 20px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
    display: block; /* 确保按钮为块级元素 */
    margin-left: auto; /* 居中对齐 */
    margin-right: auto; /* 居中对齐 */
}

#close-verification-modal:hover {
    background-color: #1976D2;
}

#close-unsubscribe-verification-modal {
    padding: 10px 20px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
    display: block; /* 确保按钮为块级元素 */
    margin-left: auto; /* 居中对齐 */
    margin-right: auto; /* 居中对齐 */
}

#close-unsubscribe-verification-modal:hover {
    background-color: #1976D2;
}

.verification-error {
    color: #F44336;
}

.unsubscribe-verification-error {
    color: #F44336;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
}

#modal-title,
#detail-modal-title {
    margin-bottom: 20px;
    text-align: center;
}

#chart-canvas {
    width: 100% !important;
    height: 400px !important;
}

/* 订阅模态框信息样式 */
.subscription-info {
    color: #2196F3;
    margin-bottom: 10px;
    font-weight: bold;
}

.subscription-warning {
    color: #FF9800;
    margin-bottom: 10px;
    font-weight: bold;
}

.subscription-warning-important {
    color: #F44336; /* 红色 */
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 16px; /* 稍微大一点的字体 */
    text-align: center; /* 居中显示 */
}

/* 订阅表单样式 */
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center; /* 垂直居中对齐 */
}

.form-group label {
    display: inline-block;
    margin-bottom: 0; /* 由于是flex布局，不需要底部边距 */
    font-weight: bold;
    min-width: 120px; /* 确保标签有固定宽度 */
}

.form-group input {
    width: auto; /* 让输入框自适应宽度 */
    padding: 10px;
    border: 1px solid var(--form-input-border);
    border-radius: 5px;
    font-size: 16px;
    background-color: var(--form-input-bg);
    color: var(--text-color);
    flex-grow: 1; /* 输入框占据剩余空间 */
}

.form-group input:focus {
    outline: none;
    border-color: #2196F3;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

.form-group input[type="number"] {
    width: 100px;
}

/* 验证模态框中的提交按钮居中 */
.verification-modal-content .form-group button {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.form-group button {
    padding: 10px 12px;
    background-color: var(--set-custom-count-bg);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.form-group button:hover {
    background-color: #45a049;
}

#unsubscribe-btn {
    padding: 10px 12px;
    background-color: var(--unsubscribe-btn-bg); /* 红色背景 */
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
    margin-left: 5px; /* 与订阅按钮之间留一些间距 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#unsubscribe-btn:hover {
    background-color: #d32f2f; /* 悬停时更深的红色 */
}

#direct-verification-btn {
    padding: 10px 12px;
    background-color: #FF9800; /* 橙色背景 */
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
    margin-left: 5px; /* 与其他按钮之间留一些间距 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#direct-verification-btn:hover {
    background-color: #F57C00; /* 悬停时更深的橙色 */
}

#direct-unsubscribe-verification-btn {
    padding: 10px 12px;
    background-color: #9C27B0; /* 紫色背景 */
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
    margin-left: 5px; /* 与其他按钮之间留一些间距 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#direct-unsubscribe-verification-btn:hover {
    background-color: #7B1FA2; /* 悬停时更深的紫色 */
}

/* 暗色主题下的按钮样式 */
body.dark-mode #direct-verification-btn {
    background-color: #FF9800; /* 暗色模式下保持橙色 */
}

body.dark-mode #direct-verification-btn:hover {
    background-color: #F57C00; /* 悬停时更深的橙色 */
}

body.dark-mode #direct-unsubscribe-verification-btn {
    background-color: #9C27B0; /* 暗色模式下保持紫色 */
}

body.dark-mode #direct-unsubscribe-verification-btn:hover {
    background-color: #7B1FA2; /* 悬停时更深的紫色 */
}

/* 详细信息样式 */
.detail-info {
    margin-bottom: 20px;
}

.detail-info-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    padding: 5px 0;
    border-bottom: 1px solid var(--detail-info-border);
}

.detail-info-label {
    font-weight: bold;
    width: 120px;
}

.detail-data {
    margin-top: 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

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

.data-table th {
    background-color: var(--data-table-header-bg);
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-container {
        width: 100%;
    }
    
    #search-input {
        width: 100%;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .detail-info-item {
        flex-direction: column;
    }
    
    .detail-info-label {
        width: auto;
        margin-bottom: 5px;
    }
}

/* 页脚样式 */
.footer-content-container {
    background-color: var(--footer-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
    padding: 20px;
}

.footer-content-wrapper {
    text-align: center;
}

.footer-content-wrapper p {
    margin: 5px 0;
}

.footer-content-wrapper a {
    color: #2196F3;
    text-decoration: none;
}

.footer-content-wrapper a:hover {
    text-decoration: underline;
}

/* 暗色主题页脚 */
body.dark-mode .footer-content-container {
    background-color: #333;
}

body.dark-mode .footer-content-wrapper a {
    color: #64B5F6;
}

/* 暗色模式表单输入框 */
body.dark-mode .form-group input {
    background-color: #444;
    color: #f0f0f0;
    border-color: #555;
}

body.dark-mode .form-group input:focus {
    border-color: #64B5F6;
    box-shadow: 0 0 0 2px rgba(100, 181, 246, 0.2);
}

/* 邮件余额显示样式 */
#email-balance {
    font-weight: bold;
    color: #2196F3; /* 蓝色高亮显示 */
}

body.dark-mode #email-balance {
    color: #64B5F6; /* 暗色模式下的蓝色 */
}