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

/* ==================== CSS 变量定义 ==================== */
:root {
    /* 主色调 - 深蓝商务风格 */
    --primary-color: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;

    /* 辅助色 */
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    /* 中性色调 */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;

    /* 文字颜色 */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;

    /* 边框和阴影 */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* 圆角 */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;

    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* 字体 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-mono: 'Fira Code', 'Monaco', 'Cascadia Code', monospace;

    /* 过渡动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
}

/* ==================== 基础样式 ==================== */
body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== 顶部导航栏 ==================== */
.top-navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 800;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo-icon i {
    font-size: 20px;
    color: #ffffff;
}

.brand-text h1 {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    letter-spacing: -0.5px;
}

.brand-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 1001;
}

/* 用户资料 */
.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    z-index: 1002;
    position: relative;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar i {
    font-size: 16px;
    color: #ffffff;
}

.user-details {
    display: flex;
    flex-direction: column;
    min-width: 120px;
}

.user-name {
    font-weight: 500;
    font-size: 13px;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
}

.btn-logout {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-settings {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    position: relative;
}

.btn-settings:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

/* ==================== 主要布局 ==================== */
.main-wrapper {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 70px);
}

/* ==================== 侧边栏 ==================== */
.sidebar {
    width: 420px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
}

.sidebar-content {
    padding: var(--spacing-lg);
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: var(--spacing-2xl);
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
}

.section-header i {
    color: var(--primary-color);
    font-size: 16px;
}

.section-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* 配置表单 */
.config-form {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 13px;
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 13px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition-normal);
}

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

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

/* 新闻源列表 */
.sources-list {
    margin-top: var(--spacing-lg);
}

.sources-list h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.source-items {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
}

.source-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-primary);
    transition: var(--transition-fast);
}

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

.source-item:hover {
    background: var(--gray-50);
}

.source-item.selected {
    background: rgba(59, 130, 246, 0.05);
    border-left: 3px solid var(--primary-light);
}

.source-checkbox {
    margin-right: var(--spacing-sm);
}

.source-info {
    flex: 1;
    min-width: 0;
}

.source-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.source-details {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    gap: var(--spacing-sm);
}

.source-tag {
    background: var(--primary-light);
    color: white;
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 500;
}

.source-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* 定时器状态 */
.timer-status {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-top: var(--spacing-lg);
}

.status-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.status-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-400);
}

.status-dot.active {
    background: var(--success-color);
}

.status-dot.inactive {
    background: var(--gray-400);
}

.next-run-time {
    font-size: 11px;
    color: var(--text-muted);
}

/* 工作流程预览 */
.workflow-preview {
    margin-top: var(--spacing-lg);
}

.workflow-preview h5 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.workflow-steps {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.workflow-step {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.workflow-step:last-child {
    border-bottom: none;
}

.workflow-step i {
    color: var(--success-color);
    margin-right: var(--spacing-sm);
    width: 16px;
}

.workflow-step span {
    flex: 1;
    font-size: 12px;
    color: var(--text-secondary);
}

.workflow-step small {
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* ==================== 主内容区 ==================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
}

/* 操作栏 */
.action-bar {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.action-group {
    display: flex;
    gap: var(--spacing-sm);
}

.selection-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.selection-count {
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    background: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-600);
    border-color: var(--gray-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-accent:hover:not(:disabled) {
    background: #0284c7;
    border-color: #0284c7;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--gray-300);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary-light);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-text:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.btn-danger {
    background: var(--error-color);
    color: white;
    border-color: var(--error-color);
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    border-color: #dc2626;
}

/* ==================== 内容展示区 ==================== */
.content-area {
    flex: 1;
    background: var(--bg-primary);
    margin: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

/* 标签页导航 */
.tabs-nav {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    border-bottom: 3px solid transparent;
}

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

.tab-btn.active {
    background: var(--bg-primary);
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* 标签页内容 */
.tab-content {
    display: none;
    height: calc(100vh - 220px);
    overflow: hidden;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

/* 新闻容器 */
.news-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* 欢迎状态 */
.welcome-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-muted);
}

.welcome-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.welcome-icon i {
    font-size: 32px;
    color: var(--gray-400);
}

.welcome-state h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.welcome-state p {
    font-size: 14px;
    color: var(--text-muted);
}

/* 新闻项 */
.news-item {
    display: flex;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-normal);
    cursor: pointer;
}

.news-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.news-item.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.02);
    box-shadow: var(--shadow-lg);
}

.news-checkbox {
    margin-right: var(--spacing-md);
    margin-top: var(--spacing-xs);
    transform: scale(1.1);
}

.news-content {
    flex: 1;
    min-width: 0;
}

.news-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 12px;
    color: var(--text-muted);
}

.news-source {
    font-weight: 500;
    color: var(--primary-light);
}

.news-date {
    color: var(--text-muted);
}

.news-image {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-left: var(--spacing-lg);
    flex-shrink: 0;
}

/* 分析结果 */
.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.analysis-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.analysis-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.analysis-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    line-height: 1.7;
}

.analysis-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-muted);
}

.analysis-placeholder i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: var(--spacing-lg);
}

.analysis-placeholder h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.analysis-placeholder p {
    font-size: 14px;
    color: var(--text-muted);
}

/* 分析内容样式 */
.analysis-container h3 {
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    font-size: 18px;
    font-weight: 600;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
}

.analysis-container h4 {
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
    font-size: 16px;
    font-weight: 600;
}

.analysis-container h5 {
    color: var(--text-secondary);
    margin: var(--spacing-md) 0 var(--spacing-sm) 0;
    font-size: 14px;
    font-weight: 600;
}

.analysis-container p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.analysis-container ul,
.analysis-container ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
}

.analysis-container li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

/* ==================== 加载状态 ==================== */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-secondary);
    margin-top: 150px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* ==================== 模态框 ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--bg-primary);
    margin: 5vh auto;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

.modal.large .modal-content {
    max-width: 900px;
}

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

.modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-header i {
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    max-height: calc(85vh - 140px);
}

.modal-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ==================== 设置界面 ==================== */
.settings-section {
    margin-bottom: var(--spacing-2xl);
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.settings-section i {
    color: var(--primary-color);
}

/* 邮箱列表 */
.email-list {
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
}

.email-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-primary);
    transition: var(--transition-fast);
}

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

.email-item:hover {
    background: var(--gray-50);
}

.email-item.default {
    background: rgba(59, 130, 246, 0.05);
    border-left: 3px solid var(--primary-color);
}

.email-info {
    flex: 1;
    min-width: 0;
}

.email-address {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 2px;
}

.email-name {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
}

.email-badge {
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 500;
    margin-left: var(--spacing-sm);
}

.email-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* 添加邮箱表单 */
.add-email-form {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.input-row {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* API状态列表 */
.api-status-list {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.api-status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-primary);
}

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

.api-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.api-status {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.api-status.configured {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.api-status.missing {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

/* ==================== 邮箱选择 ==================== */
.email-selection-list {
    max-height: 400px;
    overflow-y: auto;
}

.email-selection-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--bg-primary);
    position: relative;
}

.email-selection-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.email-selection-item.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
    box-shadow: var(--shadow-lg);
}

.email-selection-item.selected::after {
    content: '✓';
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-size: 18px;
    font-weight: bold;
}

.email-checkbox {
    margin-right: var(--spacing-md);
    transform: scale(1.2);
}

/* ==================== 通知提示 ==================== */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 3000;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 300px;
    max-width: 500px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

.toast.error {
    border-color: var(--error-color);
    background: rgba(239, 68, 68, 0.05);
}

.toast.warning {
    border-color: var(--warning-color);
    background: rgba(245, 158, 11, 0.05);
}

.toast.info {
    border-color: var(--accent-color);
    background: rgba(14, 165, 233, 0.05);
}

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

.toast-icon i {
    font-size: 18px;
}

.toast.success .toast-icon i {
    color: var(--success-color);
}

.toast.error .toast-icon i {
    color: var(--error-color);
}

.toast.warning .toast-icon i {
    color: var(--warning-color);
}

.toast.info .toast-icon i {
    color: var(--accent-color);
}

.toast-content {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.toast-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ==================== 空状态 ==================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.empty-state i {
    font-size: 32px;
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    font-size: 13px;
    margin: 0;
}

/* ==================== 滚动条样式 ==================== */
.sidebar-content::-webkit-scrollbar,
.news-container::-webkit-scrollbar,
.analysis-container::-webkit-scrollbar,
.modal-body::-webkit-scrollbar,
.email-list::-webkit-scrollbar,
.source-items::-webkit-scrollbar,
.email-selection-list::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-track,
.news-container::-webkit-scrollbar-track,
.analysis-container::-webkit-scrollbar-track,
.modal-body::-webkit-scrollbar-track,
.email-list::-webkit-scrollbar-track,
.source-items::-webkit-scrollbar-track,
.email-selection-list::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb,
.news-container::-webkit-scrollbar-thumb,
.analysis-container::-webkit-scrollbar-thumb,
.modal-body::-webkit-scrollbar-thumb,
.email-list::-webkit-scrollbar-thumb,
.source-items::-webkit-scrollbar-thumb,
.email-selection-list::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.sidebar-content::-webkit-scrollbar-thumb:hover,
.news-container::-webkit-scrollbar-thumb:hover,
.analysis-container::-webkit-scrollbar-thumb:hover,
.modal-body::-webkit-scrollbar-thumb:hover,
.email-list::-webkit-scrollbar-thumb:hover,
.source-items::-webkit-scrollbar-thumb:hover,
.email-selection-list::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ==================== 动画效果 ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .sidebar {
        width: 320px;
    }

    .navbar-container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 992px) {
    .sidebar {
        width: 280px;
    }

    .action-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    .action-group {
        justify-content: center;
    }

    .selection-info {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .main-wrapper {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .sidebar-content {
        height: auto;
        max-height: 300px;
    }

    .navbar-container {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .user-profile {
        order: -1;
    }

    .news-item {
        flex-direction: column;
        align-items: stretch;
    }

    .news-image {
        width: 100%;
        height: 160px;
        margin-left: 0;
        margin-top: var(--spacing-md);
    }

    .modal-content {
        width: 95%;
        margin: 10vh auto;
    }

    .input-row {
        flex-direction: column;
    }

    .form-actions {
        flex-direction: column;
    }

    .action-group {
        flex-direction: column;
    }

    .tab-content {
        height: calc(100vh - 350px);
    }
}

@media (max-width: 480px) {
    .content-area {
        margin: var(--spacing-sm);
        border-radius: var(--radius-lg);
    }

    .sidebar-content {
        padding: var(--spacing-md);
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .toast {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
        min-width: auto;
        max-width: none;
    }

    .brand-text h1 {
        font-size: 20px;
    }

    .brand-subtitle {
        font-size: 11px;
    }

    .user-profile {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ==================== 打印样式 ==================== */
@media print {

    .sidebar,
    .action-bar,
    .tabs-nav,
    .modal,
    .toast {
        display: none !important;
    }

    .main-content {
        margin: 0;
        box-shadow: none;
        border: none;
    }

    .news-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ==================== 高对比度模式 ==================== */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-primary: #000000;
        --text-secondary: #333333;
        --bg-primary: #ffffff;
        --bg-secondary: #f5f5f5;
    }
}

/* ==================== 减少动画模式 ==================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==================== 暗色模式支持 ==================== */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #3b82f6;
        --primary-light: #60a5fa;
        --primary-dark: #2563eb;

        --bg-primary: #1e293b;
        --bg-secondary: #0f172a;
        --bg-tertiary: #334155;

        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;

        --border-color: #475569;
        --border-light: #374151;

        --gray-50: #1e293b;
        --gray-100: #334155;
        --gray-200: #475569;
        --gray-300: #64748b;
    }

    .loading-overlay {
        background: rgba(15, 23, 42, 0.9);
    }

    .modal {
        background-color: rgba(0, 0, 0, 0.8);
    }
}

/* 增强分析容器样式 */
.analysis-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    line-height: 1.7;
    font-family: var(--font-family);
}

/* 确保HTML标签正确渲染 */
.analysis-container * {
    max-width: 100%;
    box-sizing: border-box;
}

.analysis-container h1,
.analysis-container h2,
.analysis-container h3,
.analysis-container h4,
.analysis-container h5,
.analysis-container h6 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.4;
}

.analysis-container h1 {
    font-size: 24px;
    color: var(--text-primary);
}

.analysis-container h2 {
    font-size: 20px;
    color: var(--text-primary);
}

.analysis-container h3 {
    font-size: 18px;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
}

.analysis-container h4 {
    font-size: 16px;
    color: var(--text-primary);
}

.analysis-container h5 {
    font-size: 14px;
    color: var(--text-secondary);
}

.analysis-container h6 {
    font-size: 13px;
    color: var(--text-secondary);
}

.analysis-container p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    text-align: justify;
    line-height: 1.6;
}

.analysis-container ul,
.analysis-container ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
    color: var(--text-secondary);
}

.analysis-container li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.analysis-container ul li {
    list-style-type: disc;
}

.analysis-container ol li {
    list-style-type: decimal;
}

.analysis-container strong,
.analysis-container b {
    font-weight: 600;
    color: var(--text-primary);
}

.analysis-container em,
.analysis-container i {
    font-style: italic;
}

.analysis-container blockquote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    border-left: 4px solid var(--primary-color);
    background: var(--bg-tertiary);
    font-style: italic;
}

.analysis-container code {
    background: var(--bg-tertiary);
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.analysis-container pre {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

/* 分析段落特殊样式 */
.analysis-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: rgba(59, 130, 246, 0.02);
    border-left: 3px solid var(--primary-color);
}

.analysis-section h5 {
    margin-top: 0;
    color: var(--primary-color);
}

/* 定时任务新闻源列表样式 */
.timer-sources-section {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

.timer-sources-section h6 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.timer-sources-list {
    max-height: 120px;
    overflow-y: auto;
}

.timer-source-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.3;
}

.timer-source-item:last-child {
    margin-bottom: 0;
}

.no-timer-sources {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    padding: var(--spacing-sm);
    margin: 0;
    font-style: italic;
}

/* ==================== 分批分析报告样式 ==================== */
.integrated-analysis-report {
    font-family: var(--font-family);
    line-height: 1.6;
}

.report-summary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.summary-stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 14px;
}

.executive-summary {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--accent-color);
}

.batch-result-section {
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.batch-header {
    background: var(--bg-tertiary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.batch-header h5 {
    margin: 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.batch-count {
    background: var(--primary-light);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
}

.batch-content {
    padding: var(--spacing-lg);
    background: var(--bg-primary);
}

.batch-separator {
    border: none;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    margin: var(--spacing-xl) 0;
}

.comprehensive-conclusion {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
}

.conclusion-content h5 {
    color: var(--primary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.report-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.generation-info {
    color: var(--text-muted);
    font-style: italic;
}

.batch-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--error-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .summary-stats {
        flex-direction: column;
    }

    .stat-item {
        text-align: center;
    }
}

/* ==================== 分析进度条样式 ==================== */
.analysis-progress-container {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    min-width: 400px;
    max-width: 500px;
    text-align: center;
}

.analysis-progress-container h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    font-size: 18px;
    font-weight: 600;
}

.progress-section {
    margin-bottom: var(--spacing-lg);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
    color: var(--text-secondary);
}

.progress-bar-container {
    position: relative;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.progress-bar.batch {
    height: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    transition: width 0.3s ease;
    width: 0%;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.3),
            transparent);
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.analysis-status-details {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 13px;
    color: var(--text-secondary);
}

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

.status-item i {
    color: var(--primary-light);
    width: 16px;
    text-align: center;
}

/* 批次节点指示器 */
.batch-nodes-container {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.nodes-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.batch-nodes {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: var(--spacing-sm) 0;
}

.batch-node {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gray-300);
    border: 2px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    color: var(--gray-600);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.batch-node.completed {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.batch-node.current {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    animation: pulse 2s infinite;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.batch-node.pending {
    background: var(--gray-200);
    border-color: var(--gray-300);
    color: var(--gray-500);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }

    70% {
        box-shadow: 0 0 0 8px rgba(59, 130, 246, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

/* 节点连接线 */
.batch-nodes::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 12px;
    right: 12px;
    height: 2px;
    background: var(--gray-300);
    z-index: 1;
}

.batch-nodes .progress-line {
    position: absolute;
    top: 50%;
    left: 12px;
    height: 2px;
    background: var(--success-color);
    transition: width 0.5s ease;
    z-index: 1;
    transform: translateY(-50%);
}

/* 节点提示信息 */
.batch-node-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-800);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 10px;
    white-space: nowrap;
    margin-bottom: 5px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.batch-node:hover .batch-node-tooltip {
    opacity: 1;
}

.batch-node-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--gray-800);
}

/* 响应式调整 */
@media (max-width: 480px) {
    .analysis-progress-container {
        min-width: 320px;
        padding: var(--spacing-lg);
    }

    .batch-nodes {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .batch-node {
        width: 20px;
        height: 20px;
        font-size: 9px;
    }
}

/* AI配置相关样式 */
.ai-config-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.ai-config-item h5 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.ai-config-item h5 i {
    color: var(--primary-color);
    font-size: 14px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    transform: scale(1.1);
}

.ai-status-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.ai-status-section h5 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.ai-status-list {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.ai-status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

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

.ai-provider-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 13px;
}

.ai-config-status {
    font-size: 12px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

.ai-config-status.configured {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.ai-config-status.not-configured {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.ai-web-search-indicator {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-color);
    margin-left: var(--spacing-xs);
}

/* AI错误信息样式 */
.api-error-message {
    border: 2px solid var(--error-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    background-color: rgba(239, 68, 68, 0.05);
}

.ai-provider-info {
    background-color: rgba(16, 185, 129, 0.05);
    border: 1px solid var(--success-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

/* 主AI选择样式 */
.primary-ai-selection {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.primary-ai-selection h5 {
    color: white;
    margin-bottom: 15px;
}

.primary-ai-selection .form-input {
    background: rgba(255, 255, 255, 0.9);
    border: none;
}

.primary-ai-selection .form-hint {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85em;
}

/* AI状态项样式 */
.ai-status-item.primary-ai {
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    color: white;
    border: 2px solid #ffd89b;
}

.primary-badge {
    background: #ff6b6b;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    margin-left: 5px;
}

.ai-web-search-indicator {
    background: #4ecdc4;
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.75em;
    margin-left: 3px;
}

/* AI提供商信息样式增强 */
.ai-provider-info {
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
    border-left: 4px solid #4CAF50;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ai-provider-info p {
    margin: 5px 0;
}

.ai-provider-info small {
    opacity: 0.8;
}

/* 错误信息样式 */
.error-message {
    padding: 20px;
    border: 1px solid #ff6b6b;
    border-radius: 8px;
    background: #fff5f5;
    color: #d63031;
    margin: 20px 0;
}

.error-message h4 {
    margin: 0 0 10px 0;
    color: #d63031;
}

.error-message p {
    margin: 8px 0;
}

.error-suggestions {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #ffcdd2;
}

.error-suggestions h5 {
    margin: 0 0 10px 0;
    color: #d63031;
}

.error-suggestions ul {
    margin: 0;
    padding-left: 20px;
}

.error-suggestions li {
    margin: 5px 0;
}

/* 批次错误样式 */
.batch-error {
    margin: 15px 0;
    padding: 15px;
    border: 1px solid #ff6b6b;
    border-radius: 8px;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
    color: #d63031;
}

.batch-error h5 {
    margin: 0 0 10px 0;
    color: #d63031;
    font-size: 16px;
}

.batch-error h6 {
    margin: 10px 0 5px 0;
    color: #74b9ff;
    font-size: 14px;
}

.error-details {
    background: #fff;
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
    border-left: 4px solid #ff6b6b;
}

.error-details p {
    margin: 5px 0;
    font-size: 13px;
}

.error-suggestions {
    margin-top: 15px;
}

.error-suggestions ul {
    margin: 5px 0 10px 20px;
    font-size: 13px;
}

.error-suggestions li {
    margin: 3px 0;
    line-height: 1.4;
}

/* 改进现有错误信息样式 */
.error-message {
    padding: 20px;
    border: 1px solid #ff6b6b;
    border-radius: 8px;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
    color: #d63031;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(255, 107, 107, 0.1);
}

.error-message h4 {
    margin: 0 0 15px 0;
    color: #d63031;
    display: flex;
    align-items: center;
    gap: 8px;
}

.error-message h4::before {
    content: "⚠️";
    font-size: 18px;
}

/* ==================== 🆕 搜索功能样式 ==================== */

/* 搜索标签页样式 */
.search-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    color: white;
}

.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 8px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    color: white;
    font-size: 1.1rem;
    padding: 12px 20px;
    outline: none;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

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

.search-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.search-type-select {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 8px 15px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.search-type-select option {
    background: #2c3e50;
    color: white;
}

.search-actions {
    display: flex;
    gap: 10px;
}

.search-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    align-items: start;
}

.search-sidebar {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    position: sticky;
    top: 20px;
}

.search-sidebar .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.search-sidebar h4 {
    color: #2c3e50;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

.search-history-section,
.quick-search-section {
    margin-bottom: 25px;
}

.search-history-list {
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 5px;
    background: white;
    border: 1px solid #e1e8ed;
    transition: all 0.2s ease;
}

.history-item:hover {
    background: #f0f7ff;
    transform: translateX(2px);
}

.history-content {
    flex: 1;
    min-width: 0;
}

.history-query {
    font-weight: 500;
    color: #2c3e50;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-type {
    color: #7f8c8d;
    font-size: 0.85rem;
}

.history-actions {
    display: flex;
    gap: 5px;
}

.history-actions button {
    background: none;
    border: none;
    color: #7f8c8d;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.history-actions button:hover {
    color: #2c3e50;
    background: #e8f4fd;
}

.empty-history {
    text-align: center;
    padding: 20px;
    color: #7f8c8d;
}

.empty-history i {
    font-size: 2rem;
    margin-bottom: 10px;
    opacity: 0.5;
}

.quick-search-buttons {
    display: grid;
    gap: 8px;
}

.quick-search-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: white;
    border: 1px solid #e1e8ed;
    border-radius: 8px;
    color: #2c3e50;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    font-size: 0.9rem;
}

.quick-search-btn:hover {
    background: #4facfe;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.3);
}

.search-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.results-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.results-count {
    font-weight: 600;
    color: #2c3e50;
}

.search-query {
    font-size: 0.9rem;
    color: #7f8c8d;
}

.results-actions {
    display: flex;
    gap: 10px;
}

.search-results-container {
    min-height: 400px;
}

.search-welcome {
    text-align: center;
    padding: 60px 20px;
    color: #7f8c8d;
}

.welcome-icon {
    font-size: 4rem;
    color: #4facfe;
    margin-bottom: 20px;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #4facfe;
    color: white;
    transform: translateY(-2px);
}

.search-result-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    border: 1px solid #e1e8ed;
    transition: all 0.3s ease;
    position: relative;
}

.search-result-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.search-result-card.result-added {
    background: linear-gradient(135deg, #e8f5e8 0%, #d4edda 100%);
    border-left: 4px solid #28a745;
}

.result-header {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 10px;
}

.result-select {
    margin-top: 3px;
}

.result-select input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

.result-title {
    flex: 1;
    margin: 0;
}

.result-title a {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.4;
}

.result-title a:hover {
    color: #4facfe;
}

.result-actions {
    display: flex;
    gap: 5px;
}

.btn-action {
    background: #f8f9fa;
    border: 1px solid #e1e8ed;
    color: #7f8c8d;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.btn-action:hover:not(:disabled) {
    background: #4facfe;
    color: white;
    border-color: #4facfe;
}

.btn-action.added {
    background: #28a745;
    color: white;
    border-color: #28a745;
    cursor: not-allowed;
}

.result-description {
    color: #555;
    line-height: 1.6;
    margin-bottom: 15px;
}

.result-meta {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    color: #7f8c8d;
    flex-wrap: wrap;
}

.result-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.result-relevance {
    background: #fff3cd;
    color: #856404;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
}

mark {
    background: #fff3cd;
    color: #856404;
    padding: 2px 4px;
    border-radius: 3px;
}

.no-results,
.search-error {
    text-align: center;
    padding: 60px 20px;
    color: #7f8c8d;
}

.search-error {
    color: #e74c3c;
}

/* 🆕 来自搜索的新闻卡片样式 */
.news-card.from-search {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-left: 4px solid #2196f3;
}

.search-origin-badge {
    background: #2196f3;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-origin-badge small {
    opacity: 0.9;
    font-size: 0.75rem;
}

/* 验证结果模态框样式 */
.verification-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.verification-status.verified {
    background: #d4edda;
    color: #155724;
}

.verification-status.unverified {
    background: #f8d7da;
    color: #721c24;
}

.verification-details p {
    margin-bottom: 10px;
}

.evidence-list {
    margin-top: 15px;
}

.evidence-item {
    padding: 10px;
    background: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 8px;
    border-left: 3px solid #4facfe;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .search-content {
        grid-template-columns: 1fr;
    }

    .search-sidebar {
        position: static;
        order: 2;
    }

    .search-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .welcome-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .result-meta {
        flex-direction: column;
        gap: 8px;
    }

    .search-results-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .search-header {
        padding: 20px;
    }

    .search-box {
        flex-direction: column;
        gap: 10px;
    }

    .search-input {
        text-align: center;
    }
}