:root {
    /* 主要颜色 */
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-header: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;

    /* 功能色 */
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --limit-up-color: #ef4444;
    /* 涨停红 */
    --limit-down-color: #10b981;
    /* 跌停绿 */

    /* 渐变 */
    --gradient-header: linear-gradient(to right, #0f172a, #1e293b);
    --gradient-card: linear-gradient(145deg, #1e293b, #0f172a);

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 顶部导航 */
.header {
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
}

/* 热点题材条 */
.hotspot-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(to right, rgba(59, 130, 246, 0.1), rgba(168, 85, 247, 0.1));
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.hotspot-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--warning-color);
    white-space: nowrap;
}

.hotspot-bar {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
    overflow-x: auto;
}

.hotspot-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.08);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-primary);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s;
}

.hotspot-tag:hover {
    background: rgba(59, 130, 246, 0.3);
}

.hotspot-count {
    background: var(--danger-color);
    color: white;
    font-size: 0.7rem;
    padding: 1px 6px;
    border-radius: 10px;
    font-weight: 600;
}

/* 概念标签 */
.concept-tag {
    font-size: 0.7rem;
    color: var(--accent-color);
    font-weight: 400;
    margin-left: 6px;
    opacity: 0.8;
}

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

.logo-icon {
    font-size: 24px;
}

.app-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(to right, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-left: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    border-left: 1px solid var(--border-color);
}

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

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* 主内容布局 */
.main-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    max-width: 1600px;
    margin: 0 auto;
    height: calc(100vh - 64px);
}

/* 面板通用样式 */
.monitor-panel,
.sidebar section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.panel-title {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* 筛选标签 */
.filter-tabs {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-dark);
    padding: 2px;
    border-radius: var(--radius-md);
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--text-primary);
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 股票列表 */
.stock-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.stock-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all 0.2s;
    cursor: pointer;
}

.stock-card:hover {
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
}

.stock-card.match-high {
    border-color: var(--warning-color);
    box-shadow: 0 0 0 1px var(--warning-color);
}

.stock-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.stock-name {
    font-size: 1.125rem;
    font-weight: 700;
}

.stock-code {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.stock-tags {
    display: flex;
    gap: 4px;
}

.tag {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
}

.tag.limit-board {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    font-weight: 600;
}

.stock-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

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

.value {
    font-weight: 500;
}

.match-score {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.score-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin: 0 var(--spacing-sm);
    overflow: hidden;
}

.score-fill {
    height: 100%;
    background: var(--warning-color);
    border-radius: 3px;
}

/* 侧边栏布局 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.match-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    min-height: 200px;
}

.match-badge {
    background: var(--danger-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* 龙虎榜席位 */
.seat-info {
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
}

.seat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

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

.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.status-indicator.active {
    background-color: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.status-indicator.inactive {
    background-color: var(--text-secondary);
}

/* 预警弹窗 */
.alert-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    display: none;
}

.alert-modal.show {
    display: block;
    animation: alert-pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.alert-content {
    background: var(--bg-card);
    border: 1px solid var(--warning-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    width: 400px;
    overflow: hidden;
}

.alert-header {
    background: var(--warning-color);
    color: #000;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-title {
    font-weight: 700;
    flex: 1;
}

.alert-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
}

.alert-body {
    padding: var(--spacing-lg);
}

.alert-footer {
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* 动画 */
@keyframes alert-pop {
    0% {
        transform: translate(-50%, -40%) scale(0.9);
        opacity: 0;
    }

    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

@keyframes flash {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }

    100% {
        opacity: 1;
    }
}

.flash-warning {
    animation: flash 1s infinite;
}

/* 响应式 */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        height: auto;
    }

    .sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .sidebar {
        grid-template-columns: 1fr;
    }

    .filter-tabs {
        overflow-x: auto;
    }
}

/* 空状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    height: 100%;
    min-height: 200px;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* 设置按钮弹窗等 */
.btn-primary,
.btn-secondary {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-weight: 500;
}

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

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.settings-btn {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 设置弹窗 */
.settings-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.settings-modal[style*="display: block"] {
    display: flex !important;
}

.settings-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 400px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

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

.settings-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.settings-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

.settings-close:hover {
    color: var(--text-primary);
}

.settings-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: 50vh;
}

.setting-group {
    margin-bottom: var(--spacing-lg);
}

.setting-group h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    cursor: pointer;
}

.setting-item span {
    color: var(--text-primary);
}

.setting-item input[type="range"] {
    width: 120px;
    accent-color: var(--accent-color);
}

.setting-item select {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.setting-item.checkbox {
    justify-content: flex-start;
    gap: var(--spacing-sm);
}

.setting-item.checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

.setting-value {
    min-width: 30px;
    text-align: right;
    color: var(--accent-color);
    font-weight: 600;
}

.settings-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}