/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --success: #34a853;
    --danger: #ea4335;
    --warning: #fbbc04;
    --bg-dark: #0f1419;
    --bg-card: #1a1f2e;
    --bg-hover: #252b3b;
    --text-primary: #fff;
    --text-secondary: #9aa0a6;
    --border: #303540;
    --up: #ff4d4f;
    --down: #52c41a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

.app {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 240px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
}

.logo {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.logo h1 {
    font-size: 20px;
    font-weight: 600;
}

.nav-menu {
    flex: 1;
    padding: 16px 12px;
}

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

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary);
    color: var(--text-primary);
}

.nav-item .icon {
    margin-right: 12px;
    font-size: 18px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

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

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

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 240px;
    display: flex;
    flex-direction: column;
}

/* 顶部栏 */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.market-overview {
    display: flex;
    align-items: center;
    gap: 32px;
}

.index-item {
    display: flex;
    flex-direction: column;
}

.index-name {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.index-value {
    font-size: 18px;
    font-weight: 600;
}

.market-stats {
    display: flex;
    gap: 16px;
    margin-left: auto;
}

.stat-item {
    font-size: 14px;
}

.up { color: var(--up); }
.down { color: var(--down); }

/* 页面容器 */
.page-container {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* 卡片 */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.card-header h2, .card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

/* 表格 */
.table-container {
    overflow-x: auto;
}

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

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

.data-table th {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
}

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

/* 搜索框 */
.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-box input {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--text-primary);
    width: 200px;
}

.search-box button {
    background: var(--primary);
    border: none;
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 16px;
}

.pagination button {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
}

.pagination button:hover {
    background: var(--bg-hover);
}

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

/* 按钮 */
.btn {
    background: var(--primary);
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s;
}

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

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

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

.btn-danger {
    background: var(--danger);
}

.btn-block {
    width: 100%;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
}

/* 表单 */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
}

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

.radio-group {
    display: flex;
    gap: 16px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.radio-label input {
    width: auto;
    margin-right: 8px;
}

.buy-text { color: var(--up); }
.sell-text { color: var(--down); }

/* 加载中 */
.loading {
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
}

/* 板块网格 */
.sector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    padding: 20px;
}

.sector-item {
    background: var(--bg-dark);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.sector-name {
    font-size: 14px;
    margin-bottom: 8px;
}

.sector-change {
    font-size: 16px;
    font-weight: 600;
}

/* 个股详情页 */
.stock-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 24px;
}

.stock-info h2 {
    font-size: 24px;
    margin-bottom: 4px;
}

.stock-code {
    color: var(--text-secondary);
}

.stock-search-bar {
    display: flex;
    gap: 8px;
}

.chart-container {
    padding: 20px;
}

.chart-container canvas {
    max-height: 400px;
}

.chart-controls {
    display: flex;
    gap: 8px;
}

.period-btn {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 4px;
    cursor: pointer;
}

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

.indicators-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.indicator-list {
    padding: 20px;
}

.indicator-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.news-list {
    padding: 20px;
}

.news-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.news-title {
    font-size: 14px;
    margin-bottom: 8px;
}

.news-time {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 策略管理 */
.strategy-list {
    padding: 20px;
}

.strategy-item {
    background: var(--bg-dark);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
}

.strategy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.strategy-name {
    font-size: 16px;
    font-weight: 500;
}

.strategy-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.strategy-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-secondary);
}

.strategy-actions {
    display: flex;
    gap: 8px;
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.badge-success {
    background: rgba(52, 168, 83, 0.2);
    color: var(--success);
}

.badge-secondary {
    background: rgba(154, 160, 166, 0.2);
    color: var(--text-secondary);
}

.editor-form {
    padding: 20px;
}

.code-templates {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.template-btn {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

/* 回测 */
.backtest-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
}

.backtest-form {
    padding: 20px;
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 20px;
}

.stat-card {
    background: var(--bg-dark);
    padding: 16px;
    border-radius: 8px;
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
}

/* 交易 */
.trade-layout {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 24px;
}

.trade-panel {
    padding: 20px;
}

.order-form {
    padding-top: 16px;
}

.account-info {
    padding: 20px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row .value {
    font-weight: 600;
}

.positions-list,
.orders-list {
    padding: 16px;
}

.position-item,
.order-item {
    background: var(--bg-dark);
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 14px;
}

.position-header,
.order-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.position-detail,
.order-detail {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 12px;
}

.order-side {
    font-weight: 600;
}

.order-side.buy {
    color: var(--up);
}

.order-side.sell {
    color: var(--down);
}

/* 响应式 */
@media (max-width: 1200px) {
    .backtest-layout,
    .trade-layout {
        grid-template-columns: 1fr;
    }
    
    .indicators-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .market-overview {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* AI 分析页面样式 */
.ai-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.ai-input-section {
    padding: 20px;
}

.ai-result {
    padding: 20px;
    background: var(--bg-hover);
    border-radius: 10px;
    margin-top: 20px;
}

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

.ai-signal, .ai-rating, .ai-confidence {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
}

.signal-badge {
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
}

.signal-strong-buy { background: #ff4d4f; color: white; }
.signal-buy { background: #ff7875; color: white; }
.signal-hold { background: #8c8c8c; color: white; }
.signal-sell { background: #52c41a; color: white; }
.signal-strong-sell { background: #389e0d; color: white; }

.rating-badge {
    padding: 5px 15px;
    border-radius: 15px;
}

.rating-bullish { background: #fff1f0; color: #cf1322; }
.rating-neutral { background: #f5f5f5; color: #8c8c8c; }
.rating-bearish { background: #f6ffed; color: #389e0d; }

.confidence-bar {
    width: 200px;
    height: 8px;
    background: #303540;
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s;
}

.ai-details {
    margin-top: 20px;
    padding: 15px;
    background: var(--bg-card);
    border-radius: 8px;
}

.detail-section {
    margin: 10px 0;
}

.detail-section h5 {
    color: var(--primary);
    margin-bottom: 5px;
}

.recommend-list, .report-list {
    padding: 15px;
    max-height: 300px;
    overflow-y: auto;
}

.recommend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--bg-hover);
    border-radius: 8px;
    margin: 5px 0;
}

.report-item {
    padding: 15px;
    background: var(--bg-hover);
    border-radius: 8px;
    margin: 10px 0;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.report-type {
    font-weight: bold;
}

.report-status {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8em;
}

.status-sent { background: #f6ffed; color: #389e0d; }
.status-pending { background: #fffbe6; color: #d48806; }

.report-content {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.empty {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}

/* 报告弹窗样式 */
.report-modal {
    position: fixed;
    top: 0;
    .modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    width: 80%;
    max-width: 800px;
    border-radius: 15px;
    overflow: hidden;
}

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

.modal-body {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 15px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
}

.report-time {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-top: 5px;
}

.full-report-list {
    max-height: 400px;
    overflow-y: auto;
}

/* 策略扫描结果 */
.scan-result {
    padding: 15px;
}
.scan-time {
    color: #888;
    font-size: 12px;
    margin-bottom: 15px;
}
.signal-section {
    margin-bottom: 20px;
}
.signal-section h4 {
    color: #1a73e8;
    margin-bottom: 10px;
}
.signal-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.signal-table th, .signal-table td {
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid #333;
}
.signal-table th {
    background: #2a2a2a;
    color: #888;
}
.signal-table tr:hover {
    background: #2a2a2a;
}
.no-signal {
    color: #666;
    padding: 10px;
}
.scan-modal {
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}