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

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --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;
    --sidebar-width: 260px;
    --header-height: 70px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
}

/* ==================== 布局 ==================== */
.app {
    display: flex;
    min-height: 100vh;
}

/* ==================== 侧边栏 ==================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    font-size: 32px;
    color: var(--warning);
}

.logo h2 {
    font-size: 18px;
    font-weight: 600;
}

.logo p {
    font-size: 12px;
    color: var(--gray-400);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--gray-300);
    text-decoration: none;
    transition: all 0.2s;
    margin-bottom: 4px;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: white;
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.nav-item i {
    font-size: 20px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.version {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 8px;
}

/* ==================== 主内容区 ==================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* ==================== 顶部栏 ==================== */
.header {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-title h1 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-800);
}

.header-title p {
    font-size: 12px;
    color: var(--gray-500);
}

.header-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    text-align: right;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
}

.user-email {
    font-size: 12px;
    color: var(--gray-500);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* ==================== 内容区 ==================== */
.content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 600;
}

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

/* ==================== 统计卡片 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stat-card.blue { border-left: 4px solid var(--primary); }
.stat-card.green { border-left: 4px solid var(--success); }
.stat-card.orange { border-left: 4px solid var(--warning); }
.stat-card.red { border-left: 4px solid var(--danger); }

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-800);
}

.stat-change {
    font-size: 12px;
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.stat-card.blue .stat-icon { background: #eff6ff; color: var(--primary); }
.stat-card.green .stat-icon { background: #ecfdf5; color: var(--success); }
.stat-card.orange .stat-icon { background: #fffbeb; color: var(--warning); }
.stat-card.red .stat-icon { background: #fef2f2; color: var(--danger); }

/* ==================== 快捷操作 ==================== */
.quick-actions {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.quick-actions h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    border: 2px dashed var(--gray-200);
    border-radius: 12px;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    border-color: var(--primary);
    background: #eff6ff;
}

.action-btn i {
    font-size: 32px;
    color: var(--primary);
}

.action-btn span {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
}

/* ==================== 表格 ==================== */
.table-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.table-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.table-header a {
    font-size: 14px;
    color: var(--primary);
    text-decoration: none;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}

.data-table th {
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-50);
    font-size: 13px;
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

/* ==================== 仪表盘表格布局 ==================== */
.dashboard-tables {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ==================== 筛选栏 ==================== */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.search-box {
    flex: 1;
    max-width: 300px;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
}

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

select {
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
    background: white;
    min-width: 140px;
}

select:focus {
    outline: none;
    border-color: var(--primary);
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-outline {
    background: white;
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--gray-500);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* ==================== 状态标签 ==================== */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.enabled {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.disabled {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.pending {
    background: #fef3c7;
    color: #92400e;
}

/* ==================== 表格容器 ==================== */
.table-container {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}

.pagination button {
    padding: 6px 12px;
    border: 1px solid var(--gray-200);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}

.pagination button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

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

/* ==================== 抽取引擎 ==================== */
.extract-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.extract-config,
.extract-action {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.extract-config h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--gray-700);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="datetime-local"],
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
}

.form-group input[type="range"] {
    width: 100%;
    margin-top: 8px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label:hover {
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

/* 抽取操作区 */
.extract-action {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.available-count {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--gray-50);
    border-radius: 12px;
}

.available-count i {
    font-size: 48px;
    color: var(--primary);
}

.available-count p:first-child {
    font-size: 14px;
    color: var(--gray-500);
}

.available-count .count {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-800);
}

.extract-summary {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.extract-summary p {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.extract-summary span {
    color: var(--gray-500);
}

.btn-extract {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--warning), #ea580c);
    color: white;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-extract:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.btn-extract i {
    font-size: 24px;
}

.extract-tip {
    font-size: 12px;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==================== 模态框 ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalIn 0.3s ease;
}

.modal-large .modal-content {
    max-width: 800px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: var(--gray-100);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close:hover {
    background: var(--gray-200);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 60vh;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-grid .full-width {
    grid-column: 1 / -1;
}

.required {
    color: var(--danger);
}

/* ==================== 抽取结果 ==================== */
.result-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: #d1fae5;
    border-radius: 12px;
    margin-bottom: 24px;
}

.result-info p {
    font-weight: 600;
    color: #065f46;
}

.result-info span {
    font-size: 13px;
    color: #047857;
}

.result-count {
    text-align: right;
}

.result-count span {
    font-size: 36px;
    font-weight: 700;
    color: #065f46;
}

.result-count p {
    font-size: 13px;
    color: #047857;
}

.expert-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.expert-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
}

.expert-item.backup {
    border-style: dashed;
    background: var(--gray-50);
}

.expert-seq {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.expert-item.backup .expert-seq {
    background: var(--warning);
}

.expert-info {
    flex: 1;
}

.expert-info p {
    font-weight: 600;
}

.expert-info span {
    font-size: 13px;
    color: var(--gray-500);
}

.expert-tags {
    display: flex;
    gap: 8px;
}

.expert-tags .badge {
    background: #eff6ff;
    color: var(--primary);
}

/* ==================== 统计报表 ==================== */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-item {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stat-item .stat-label {
    font-size: 14px;
    color: var(--gray-500);
}

.stat-item .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-800);
    margin: 8px 0;
}

.stat-item .stat-change {
    font-size: 13px;
}

.stat-item .stat-change.up {
    color: var(--success);
}

.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.chart-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.chart-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.chart-placeholder {
    height: 280px;
    background: var(--gray-50);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== 系统配置 ==================== */
.config-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 12px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
}

.tab-btn:hover {
    background: var(--gray-100);
}

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

.tab-content {
    display: none;
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

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

.config-section {
    margin-bottom: 24px;
}

.config-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-100);
}

/* 开关 */
.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

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

input:checked + .slider:before {
    transform: translateX(24px);
}

/* 通知渠道 */
.notify-channel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    margin-bottom: 12px;
}

.channel-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.channel-info i {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #eff6ff;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.channel-info p {
    font-weight: 600;
}

.channel-info span {
    font-size: 13px;
    color: var(--gray-500);
}

/* ==================== Toast ==================== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--gray-800);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast i {
    color: var(--success);
    font-size: 20px;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-tables {
        grid-template-columns: 1fr;
    }
    
    .extract-container {
        grid-template-columns: 1fr;
    }
    
    .stats-overview {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid,
    .action-grid,
    .stats-overview {
        grid-template-columns: 1fr;
    }
}

/* ==================== 图表样式 ==================== */
.bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 100%;
    width: 100%;
    padding: 20px;
    gap: 8px;
}

.bar-item {
    flex: 1;
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
    border-radius: 4px 4px 0 0;
    min-height: 20px;
    position: relative;
    transition: all 0.3s;
}

.bar-item:hover {
    opacity: 0.8;
}

.bar-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: var(--gray-500);
    white-space: nowrap;
}

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

/* 旋转动画 */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.ri-spin {
    animation: spin 1s linear infinite;
}