/**
 * JefCounts MVP统计系统 - 现代化样式
 * 参考 Plausible.io 设计风格：简洁、专业、现代
 */

/* ===== 引入Bootstrap Icons ===== */
@import url('/assets/css/bootstrap-icons.css');

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
    font-size: 14px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== 头部样式 ===== */
.header {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-left h1 {
    font-size: 20px;
    font-weight: 600;
    color: #0f172a;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-info {
    display: flex;
    align-items: center;
}

/* 站点选择器 */
.site-selector, .current-site {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 8px 12px;
}

.site-label {
    color: #64748b;
    font-size: 14px;
    font-weight: 500;
}

.site-name {
    color: #1e293b;
    font-size: 14px;
    font-weight: 600;
}

.site-selector select {
    border: none;
    background: transparent;
    color: #0f172a;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    padding-right: 4px;
}

.site-selector select:focus {
    outline: none;
}

.header-right {
    display: flex;
    gap: 8px;
}

.btn-nav,
.btn-logout {
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid #e2e8f0;
}

.btn-nav {
    background: #f8fafc;
    color: #475569;
    border-color: #e2e8f0;
}

.btn-nav:hover {
    background: #e2e8f0;
    color: #334155;
}

.btn-logout {
    background: white;
    color: #64748b;
}

.btn-logout:hover {
    background: #f8fafc;
    color: #475569;
}

/* ===== 时间筛选器 ===== */
.time-filter {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.filter-buttons {
    display: flex;
    gap: 4px;
}

.filter-btn {
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.filter-btn:hover {
    background: #f1f5f9;
    color: #475569;
}

.filter-btn.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.custom-date {
    display: flex;
    align-items: center;
    gap: 16px;
}

.custom-date input[type="date"] {
    padding: 8px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 13px;
    color: #475569;
}

.current-period {
    font-size: 13px;
    color: #64748b;
    font-weight: 500;
}

/* ===== 统计卡片网格 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.2s;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.pv-icon,
.stat-icon.uv-icon,
.stat-icon.ip-icon,
.stat-icon.source-icon {
    background: #f1f5f9;
    color: #64748b;
}

.stat-content {
    flex: 2;
    min-width: 0;
}

.stat-label {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    line-height: 1;
}

.stat-main {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 0;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: #0f172a;
    line-height: 1;
}

.stat-change {
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    line-height: 1;
    min-width: 80px;
    justify-content: flex-start;
}


.stat-change.positive {
    color: #059669;
}

.stat-change.negative {
    color: #dc2626;
}

.stat-change.neutral {
    color: #64748b;
}

/* ===== 卡片容器 ===== */
.card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    position: relative; /* 为加载遮罩提供定位上下文 */
    min-height: 220px; /* 基本尺寸下限，避免内容为空时高度塌陷导致闪烁 */
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #0f172a;
    display: flex;
    align-items: center;
    padding-left: 12px;
    border-left: 3px solid #3b82f6;
}

/* ===== 来源统计项 ===== */
.source-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.source-name {
    flex: 1;
    font-weight: 500;
    color: #0f172a;
    font-size: 14px;
}

.source-visits {
    margin: 0 20px;
    color: #64748b;
    font-size: 13px;
    white-space: nowrap;
    font-weight: 500;
}

.source-bar {
    flex: 2;
    height: 8px;
    background: #f1f5f9;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.source-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 4px;
    transition: width 0.8s ease;
}

.source-percentage {
    margin-left: 16px;
    font-weight: 600;
    min-width: 60px;
    text-align: right;
    color: #3b82f6;
    font-size: 13px;
}

/* 来源URL样式 */
.source-url {
    max-width: 450px;
}

.source-url a {
    color: #3b82f6;
    text-decoration: none;
    word-break: break-all;
    font-size: 13px;
    transition: color 0.2s;
}

.source-url a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.source-url .direct-visit {
    color: #64748b;
    font-weight: 500;
    font-size: 13px;
}

/* 热门页面URL样式（与访问来源保持一致） */
.page-url-cell {
    max-width: 450px;
}

.page-url-cell a {
    color: #3b82f6;
    text-decoration: none;
    word-break: break-all;
    font-size: 13px;
    transition: color 0.2s;
}

.page-url-cell a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.source-type-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
    background: #f1f5f9;
    color: #475569;
}

/* ===== 表格样式 ===== */
table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: #f8fafc;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: #64748b;
    border-bottom: 1px solid #e2e8f0;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid #f1f5f9;
    font-size: 13px;
    color: #475569;
}

tr:hover {
    background: #f8fafc;
}

tr:last-child td {
    border-bottom: none;
}

/* ===== 空数据提示 ===== */
.no-data {
    text-align: center;
    padding: 48px 20px;
    color: #94a3b8;
    font-size: 14px;
}

/* ===== 客户端终端统计网格 ===== */
.client-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .client-stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ===== 机器人/AI爬虫统计 ===== */
.bot-total {
    font-size: 12px;
    color: #64748b;
    font-weight: 400;
    margin-left: 8px;
}

.bot-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 16px;
}

.bot-category {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
}

.category-title {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-title i {
    font-size: 16px;
    color: #3b82f6;
}

.category-count {
    font-size: 12px;
    color: #64748b;
    font-weight: 400;
    margin-left: auto;
}

.bot-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bot-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 13px;
}

.bot-name {
    font-weight: 500;
    color: #1e293b;
    flex: 1;
}

.bot-stats {
    color: #64748b;
    font-size: 12px;
    white-space: nowrap;
}

/* AI爬虫特殊样式 */
.bot-category:has(.category-title i.bi-cpu) {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #f59e0b;
}

.bot-category:has(.category-title i.bi-cpu) .category-title i {
    color: #f59e0b;
}

@media (max-width: 768px) {
    .bot-categories {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .bot-category {
        padding: 12px;
    }
    
    .bot-item {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .bot-stats {
        font-size: 11px;
    }
}

/* ===== 分页控件 ===== */
.card-pagination {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* 左对齐 */
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid #f1f5f9;
    margin-top: 8px;
    background: #fafbfc;
    border-radius: 0 0 8px 8px;
}

.page-btn {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    padding: 4px 8px;
    min-width: 28px;
    height: 28px;
    font-size: 12px;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e0;
}

.page-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: white;
}

.page-btn:disabled {
    background: #f8fafc;
    border-color: #e2e8f0;
    color: #cbd5e0;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 4px;
}

.page-dots {
    color: #94a3b8;
    font-size: 12px;
    padding: 0 4px;
}

.page-info {
    font-size: 11px;
    color: #64748b;
    margin-left: 8px;
    padding: 4px 8px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
}

/* 加载动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 覆盖式加载遮罩，避免清空内容引发抖动 */
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.loading-overlay .loading-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #64748b;
    font-size: 13px;
}

/* 移动端分页优化 */
@media (max-width: 768px) {
    .card-pagination {
        padding: 8px 12px;
        gap: 6px;
    }
    
    .page-btn {
        min-width: 24px;
        height: 24px;
        font-size: 11px;
        padding: 2px 6px;
    }
    
    .page-info {
        font-size: 10px;
        padding: 2px 6px;
    }
    
    .page-dots {
        font-size: 11px;
        padding: 0 2px;
    }
}

/* ===== 页脚 ===== */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
    color: #64748b;
    font-size: 14px;
    border-top: 1px solid #e2e8f0;
    margin-top: 60px;
}

.footer-left p,
.footer-right p {
    margin: 0;
    color: #64748b;
    font-size: 14px;
}

.footer-left {
    flex: 1;
}

.footer-right {
    flex: 1;
    text-align: right;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .header {
        flex-direction: column;
        text-align: center;
        padding: 16px;
    }
    
    .header-left {
        margin-bottom: 16px;
    }
    
    .header-right {
        width: 100%;
        justify-content: center;
    }
    
    .time-filter {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }
    
    .filter-buttons {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 4px;
        gap: 8px;
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-btn {
        flex-shrink: 0;
        white-space: nowrap;
        min-width: auto;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-card {
        padding: 12px;
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .stat-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
        align-self: center;
    }
    
    .stat-content {
        text-align: center;
        flex: 1;
    }
    
    .stat-label {
        font-size: 10px;
        margin-bottom: 4px;
    }
    
    .stat-main {
        flex-direction: column;
        gap: 4px;
        align-items: center;
    }
    
    .stat-value {
        font-size: 24px;
    }
    
    .stat-change {
        font-size: 11px;
        min-width: auto;
    }
    
    .card {
        padding: 20px 16px;
    }
    
    .source-item {
        flex-wrap: wrap;
        padding: 12px 0;
    }
    
    .source-bar {
        flex: 100%;
        margin-top: 8px;
        order: 3;
    }
    
    .source-percentage {
        margin-left: 0;
        margin-top: 8px;
        order: 4;
        width: 100%;
        text-align: left;
    }
    
    /* 表格在移动端滚动 */
    .card {
        overflow-x: auto;
    }
    
    table {
        min-width: 600px;
    }
    
    th, td {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    .footer {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        padding: 24px 0;
    }
    
    .footer-left,
    .footer-right {
        text-align: center;
    }
}

/* ===== 登录页面样式 ===== */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    border: 1px solid #e2e8f0;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 24px;
    color: #0f172a;
    margin-bottom: 8px;
    font-weight: 700;
}

.login-header p {
    color: #64748b;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #374151;
    font-weight: 500;
    font-size: 13px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
    background: #ffffff;
}

.form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-login:hover {
    background: #2563eb;
}

.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 13px;
    font-weight: 500;
}

.alert-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #059669;
    border: 1px solid #bbf7d0;
}

/* ===== 打印样式 ===== */
@media print {
    body {
        background: white;
        padding: 0;
    }
    
    .header-right,
    .btn-refresh,
    .btn-logout,
    .time-filter {
        display: none;
    }
    
    .stat-card,
    .card {
        box-shadow: none;
        border: 1px solid #e2e8f0;
    }
}

/* ===== 快捷清理按钮 ===== */
.quick-cleanup-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.btn-quick-cleanup {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
}

.btn-quick-cleanup:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
}

.btn-quick-cleanup:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
}

.btn-quick-cleanup i {
    font-size: 14px;
}

@media (max-width: 768px) {
    .quick-cleanup-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .btn-quick-cleanup {
        width: 100%;
        justify-content: center;
    }
}

/* ===== 真实用户标签样式 ===== */
.stat-label small,
.card-title small {
    color: #10b981;
    font-weight: 500;
    font-size: 11px;
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
    display: inline-block;
    vertical-align: middle;
}

/* ===== 机器人统计样式 ===== */
.bot-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.bot-name i {
    color: #6366f1;
    font-size: 16px;
}

.user-agent {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 12px;
    color: #64748b;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bot-type-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bot-type-ai {
    background: rgba(147, 51, 234, 0.1);
    color: #7c3aed;
}

.bot-type-search {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
}

.bot-type-social {
    background: rgba(236, 72, 153, 0.1);
    color: #db2777;
}

.bot-type-seo {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

.bot-type-tool {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.bot-type-unknown {
    background: rgba(107, 114, 128, 0.1);
    color: #6b7280;
}

.visits {
    font-weight: 600;
    color: #0f172a;
}

.percentage {
    color: #64748b;
    font-size: 13px;
}

.last-visit {
    color: #64748b;
    font-size: 12px;
}

/* ===== 自定义日期区间选择器样式 ===== */
.custom-date-dropdown {
    position: relative;
    display: inline-block;
}

.custom-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    color: #64748b;
    transition: all 0.2s ease;
}

.custom-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #475569;
}

.custom-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
}

.custom-btn i.bi-chevron-down {
    font-size: 12px;
    transition: transform 0.2s ease;
}

.custom-btn.open i.bi-chevron-down {
    transform: rotate(180deg);
}

.dropdown-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 0;
    min-width: 320px;
    z-index: 1000;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.dropdown-panel.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #f1f5f9;
    background: #f8fafc;
    border-radius: 8px 8px 0 0;
}

.panel-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
}

.close-btn {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: #e2e8f0;
    color: #475569;
}

.date-inputs {
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 12px;
    font-weight: 500;
    color: #475569;
}

.date-input {
    padding: 8px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
    color: #1e293b;
    transition: all 0.2s ease;
}

.date-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.quick-select {
    padding: 0 20px 20px;
    border-bottom: 1px solid #f1f5f9;
}

.quick-select-label {
    font-size: 12px;
    font-weight: 500;
    color: #475569;
    margin-bottom: 8px;
}

.quick-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.quick-btn {
    padding: 6px 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-size: 12px;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-btn:hover {
    background: #e2e8f0;
    color: #475569;
}

.quick-btn.active {
    background: #dbeafe;
    border-color: #3b82f6;
    color: #1d4ed8;
}

.panel-actions {
    padding: 16px 20px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    background: #f8fafc;
    border-radius: 0 0 8px 8px;
}

.btn-cancel, .btn-confirm {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-cancel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    color: #64748b;
}

.btn-cancel:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.btn-confirm {
    background: #3b82f6;
    border: 1px solid #3b82f6;
    color: #ffffff;
}

.btn-confirm:hover {
    background: #2563eb;
    border-color: #2563eb;
}

.btn-confirm:disabled {
    background: #94a3b8;
    border-color: #94a3b8;
    cursor: not-allowed;
}

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
    .filter-buttons {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .custom-date-dropdown {
        width: 100%;
        margin-top: 8px;
    }
    
    .custom-btn {
        width: 100%;
        justify-content: center;
    }
    
    .dropdown-panel {
        position: fixed;
        top: 50%;
        left: 50%;
        right: auto;
        transform: translate(-50%, -50%);
        width: 90vw;
        max-width: 360px;
        max-height: 80vh;
        overflow-y: auto;
    }
    
    .dropdown-panel.show {
        transform: translate(-50%, -50%);
    }
    
    .date-inputs {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .quick-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .dropdown-panel {
        width: 95vw;
        padding: 0;
    }
    
    .panel-header,
    .date-inputs,
    .quick-select,
    .panel-actions {
        padding-left: 16px;
        padding-right: 16px;
    }
}

@media (max-width: 768px) {
    .stat-label small,
    .card-title small {
        font-size: 10px;
        padding: 1px 4px;
        margin-left: 4px;
    }
}

/* 机器人统计卡增强样式 */
.bot-stats-table {
    font-size: 13px;
}

.bot-stats-table th {
    font-size: 12px;
    font-weight: 600;
}

/* IP地址容器 */
.ip-container {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ip-text {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 12px;
    color: #2563eb;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 3px;
    transition: background-color 0.2s;
}

.ip-text:hover {
    background-color: #eff6ff;
}

.ip-count {
    background: #fef3c7;
    color: #92400e;
    font-size: 10px;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 500;
    margin-left: 4px;
}

.ip-count.expandable {
    cursor: pointer;
    transition: all 0.2s;
}

.ip-count.expandable:hover {
    background: #fde68a;
    color: #78350f;
}

.ip-count.expanded {
    background: #ddd6fe;
    color: #5b21b6;
}

/* IP列表样式 */
.ip-list {
    margin-top: 8px;
    padding: 8px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 11px;
}

.ip-list-header {
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
    font-size: 10px;
}

.ip-list-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ip-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 0;
}

.ip-text.secondary {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 10px;
    color: #6b7280;
    cursor: pointer;
    padding: 1px 3px;
    border-radius: 2px;
    transition: background-color 0.2s;
}

.ip-text.secondary:hover {
    background-color: #e5e7eb;
}

.ip-badge {
    font-size: 8px;
    padding: 1px 4px;
    border-radius: 2px;
    font-weight: 500;
}

.ip-badge.primary {
    background: #dbeafe;
    color: #1e40af;
}

.copy-ip-small {
    padding: 2px 4px;
    font-size: 9px;
}

/* User-Agent容器 */
.user-agent-cell {
    max-width: 300px;
}

.ua-container {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.ua-preview {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 11px;
    color: #4b5563;
    flex: 1;
    min-width: 0;
}

.ua-actions {
    display: flex;
    gap: 3px;
    flex-shrink: 0;
}

.ua-full {
    margin-top: 8px;
    padding: 8px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
}

.ua-full-text {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 11px;
    color: #374151;
    word-break: break-all;
    line-height: 1.4;
    margin-bottom: 8px;
}

/* 复制按钮样式 */
.copy-btn {
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    padding: 4px 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 11px;
    color: #64748b;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.copy-btn:hover {
    background: #e2e8f0;
    border-color: #94a3b8;
    color: #475569;
}

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

.copy-btn.copy-success {
    background: #dcfce7;
    border-color: #86efac;
    color: #166534;
}

.copy-btn.copy-error {
    background: #fef2f2;
    border-color: #fca5a5;
    color: #dc2626;
}

/* 展开按钮 */
.expand-btn {
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    padding: 4px 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 11px;
    color: #64748b;
}

.expand-btn:hover {
    background: #e2e8f0;
    border-color: #94a3b8;
    color: #475569;
}

/* 机器人IP列样式 */
.bot-ip {
    min-width: 120px;
}

/* 排序功能样式 */
.sortable-header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.sort-btn {
    background: transparent;
    border: none;
    padding: 4px;
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.2s;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sort-btn:hover {
    background: #f1f5f9;
    color: #475569;
}

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

.sort-icon {
    font-size: 12px;
    transition: all 0.2s;
}

.sort-icon.active {
    color: #2563eb;
}

.sort-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 旋转动画 */
.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .bot-stats-table {
        font-size: 12px;
    }
    
    .ua-preview {
        font-size: 10px;
    }
    
    .ua-full-text {
        font-size: 10px;
    }
    
    .user-agent-cell {
        max-width: 250px;
    }
}

@media (max-width: 768px) {
    .bot-stats-table {
        font-size: 11px;
    }
    
    .ua-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .ua-actions {
        align-self: flex-end;
    }
    
    .user-agent-cell {
        max-width: 200px;
    }
    
    .ip-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
    }
    
    .bot-ip {
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .bot-stats-table th:nth-child(3),
    .bot-stats-table td:nth-child(3) {
        display: none; /* 隐藏User-Agent列在极小屏幕上 */
    }
    
    .bot-stats-table th:nth-child(4),
    .bot-stats-table td:nth-child(4) {
        display: none; /* 隐藏类型列 */
    }
}