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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.container-fluid {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.update-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.github-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background-color: var(--text-primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.github-link:hover {
    background-color: #374151;
}

/* Stats Bar */
.stats-bar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 24px 0;
    margin-bottom: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

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

.stat-item.highlight {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
}

.stat-value.positive {
    color: #ef4444;
}

.stat-value.negative {
    color: #10b981;
}

/* Main Layout - 左右布局 */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 24px;
    margin-bottom: 32px;
}

/* Left Panel */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.chart-card {
    background-color: var(--bg-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Right Panel */
.right-panel {
    position: sticky;
    top: 90px;
    height: fit-content;
}

.right-panel-card {
    background-color: var(--bg-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Tab 切换按钮 */
.tab-buttons {
    display: flex;
    gap: 8px;
    padding: 16px 20px;
    background-color: var(--bg-secondary);
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.15);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.tab-text {
    font-weight: 600;
}

/* Tab 内容区 */
.tab-content {
    flex: 1;
    overflow: hidden;
}

.tab-panel {
    display: none;
    height: 600px;
    overflow-y: auto;
}

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

.panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

/* 滚动条样式 for tab panels */
.tab-panel::-webkit-scrollbar {
    width: 8px;
}

.tab-panel::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.tab-panel::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.tab-panel::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Card Styles */
.chart-card,
.rankings-card,
.trades-card {
    background-color: var(--bg-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* Chart Styles */
.chart-container {
    padding: 24px;
    height: 600px;
    position: relative;
}

.chart-container canvas {
    max-height: 100%;
}

.chart-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.agent-select {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: white;
    font-size: 0.875rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.agent-select:hover {
    border-color: var(--primary-color);
}

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

.toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

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

/* Rankings List */
.rankings-list {
    padding: 16px 24px;
}

.ranking-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    margin-bottom: 12px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    transition: all 0.2s;
}

.ranking-item:hover {
    background-color: #f1f5f9;
    transform: translateX(4px);
}

.ranking-item.rank-1 {
    border-left: 4px solid #FFD700;
}

.ranking-item.rank-2 {
    border-left: 4px solid #C0C0C0;
}

.ranking-item.rank-3 {
    border-left: 4px solid #CD7F32;
}

.rank-badge {
    font-size: 1.5rem;
    font-weight: 700;
    min-width: 40px;
    text-align: center;
}

.rank-badge.rank-1 { color: #FFD700; }
.rank-badge.rank-2 { color: #C0C0C0; }
.rank-badge.rank-3 { color: #CD7F32; }
.rank-badge.rank-other { color: var(--text-secondary); }

.ranking-info {
    flex: 1;
}

.ranking-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.ranking-model {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

.ranking-return {
    font-size: 1.5rem;
    font-weight: 700;
}

.ranking-return.positive {
    color: #ef4444;
}

.ranking-return.negative {
    color: #10b981;
}

/* Trades List - 右侧交易记录 */
.trades-list,
.positions-list {
    padding: 0;
}

.trade-item {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.trade-item:hover {
    background-color: var(--bg-secondary);
}

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

/* Positions List */
.positions-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.positions-chart-section {
    flex-shrink: 0;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.positions-chart-container {
    width: 100%;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.positions-list {
    flex: 1;
    overflow-y: auto;
}

.position-item {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.position-item:hover {
    background-color: var(--bg-secondary);
}

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

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

.position-stock {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.position-stock-code {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
    margin-left: 8px;
}

.position-profit {
    font-size: 1.25rem;
    font-weight: 700;
}

.position-profit.positive {
    color: #ef4444;
}

.position-profit.negative {
    color: #10b981;
}

.position-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.position-detail-item {
    font-size: 0.875rem;
}

.position-detail-label {
    color: var(--text-secondary);
    margin-right: 4px;
}

.position-detail-value {
    color: var(--text-primary);
    font-weight: 500;
}

.position-detail-value.positive {
    color: #ef4444;
}

.position-detail-value.negative {
    color: #10b981;
}

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

.trade-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
}

.trade-action.buy {
    background-color: #dcfce7;
    color: #16a34a;
}

.trade-action.sell {
    background-color: #fee2e2;
    color: #dc2626;
}

.trade-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.trade-stock {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.trade-stock-code {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
    margin-left: 8px;
}

.trade-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}

.trade-detail-item {
    font-size: 0.875rem;
}

.trade-detail-label {
    color: var(--text-secondary);
    margin-right: 4px;
}

.trade-detail-value {
    color: var(--text-primary);
    font-weight: 500;
}

.trade-reason {
    padding: 12px;
    background-color: var(--bg-secondary);
    border-radius: 6px;
    margin-top: 8px;
}

.trade-reason-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.trade-reason-text {
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* Empty State */
.empty-state {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 0.875rem;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.loading::after {
    content: '...';
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Footer */
footer {
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    margin-top: 48px;
    text-align: center;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Scrollbar Styles */
.right-panel::-webkit-scrollbar,
.trades-list::-webkit-scrollbar,
.positions-list::-webkit-scrollbar {
    width: 6px;
}

.right-panel::-webkit-scrollbar-track,
.trades-list::-webkit-scrollbar-track,
.positions-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.right-panel::-webkit-scrollbar-thumb,
.trades-list::-webkit-scrollbar-thumb,
.positions-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.right-panel::-webkit-scrollbar-thumb:hover,
.trades-list::-webkit-scrollbar-thumb:hover,
.positions-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-layout {
        grid-template-columns: 1fr 350px;
    }
}

@media (max-width: 968px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .right-panel {
        position: static;
        max-height: none;
    }

    .trades-list {
        max-height: 600px;
    }
}

@media (max-width: 768px) {
    .container-fluid {
        padding: 0 16px;
    }

    .header-content {
        flex-direction: column;
        gap: 12px;
    }

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

    .chart-container {
        height: 300px;
        padding: 16px;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .chart-controls {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .agent-select {
        width: 100%;
    }
}