:root {
    --bg-primary: #0d0f14;
    --bg-secondary: #151820;
    --bg-card: #1a1d28;
    --bg-card-hover: #222633;
    --border-color: #2a2d3a;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0ab;
    --text-muted: #6b7280;
    --green: #22c55e;
    --green-bg: rgba(34, 197, 94, 0.15);
    --green-border: rgba(34, 197, 94, 0.3);
    --red: #ef4444;
    --red-bg: rgba(239, 68, 68, 0.15);
    --red-border: rgba(239, 68, 68, 0.3);
    --orange: #f59e0b;
    --orange-bg: rgba(245, 158, 11, 0.15);
    --blue: #3b82f6;
    --purple: #8b5cf6;
    --accent: #22c55e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

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

/* 顶部导航 */
.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-left {
    display: flex;
    align-items: center;
}

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

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--green-bg);
    border: 1px solid var(--green-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green);
    font-size: 18px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
}

.nav-center {
    display: flex;
    gap: 8px;
}

.nav-item {
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s;
    position: relative;
}

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

.nav-item.active {
    color: var(--green);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: var(--green);
    border-radius: 1px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.datetime {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 13px;
}

.nav-icon-btn {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s;
}

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

.notification {
    position: relative;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    padding: 6px;
}

.notification .badge {
    position: absolute;
    top: 0;
    right: 0;
    width: 16px;
    height: 16px;
    background: var(--red);
    border-radius: 50%;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

/* 主内容区 */
.main-content {
    flex: 1;
    padding: 20px 24px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

/* 工具栏 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.search-box {
    flex: 1;
    max-width: 600px;
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    gap: 10px;
}

.search-box i {
    color: var(--text-muted);
}

.search-box input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 14px;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.view-toggle {
    display: flex;
    gap: 4px;
}

.toggle-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.toggle-btn.active {
    background: var(--green);
    border-color: var(--green);
    color: white;
}

/* 筛选栏 */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 16px;
}

.filter-group, .sort-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-label {
    color: var(--text-secondary);
    font-size: 13px;
}

.filter-btn {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--green);
    border-color: var(--green);
    color: white;
}

.sort-select {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    outline: none;
}

/* 统计栏 */
.stats-bar {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.stats-bar strong {
    color: var(--text-primary);
}

.stat-up {
    color: var(--green);
}

.stat-down {
    color: var(--red);
}

/* 品种卡片网格 */
.futures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 16px;
}

.futures-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px;
    cursor: pointer;
    transition: all 0.2s;
}

.futures-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-name {
    font-size: 16px;
    font-weight: 600;
}

.card-code {
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
}

.card-price {
    text-align: right;
}

.price-value {
    font-size: 20px;
    font-weight: 600;
}

.price-change {
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
}

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

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

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

.suggestion-badge.up {
    background: var(--green-bg);
    color: var(--green);
    border: 1px solid var(--green-border);
}

.suggestion-badge.down {
    background: var(--red-bg);
    color: var(--red);
    border: 1px solid var(--red-border);
}

.suggestion-badge.neutral {
    background: rgba(107, 114, 128, 0.15);
    color: var(--text-muted);
    border: 1px solid rgba(107, 114, 128, 0.3);
}

.card-section {
    margin-bottom: 12px;
}

.section-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.period-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.period-tag {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.period-tag.up {
    background: var(--green-bg);
    color: var(--green);
    border: 1px solid var(--green-border);
}

.period-tag.down {
    background: var(--red-bg);
    color: var(--red);
    border: 1px solid var(--red-border);
}

.period-tag.neutral {
    background: rgba(107, 114, 128, 0.1);
    color: var(--text-muted);
    border: 1px solid rgba(107, 114, 128, 0.2);
}

.progress-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 4px;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

.progress-fill.up {
    background: var(--green);
}

.progress-fill.down {
    background: var(--red);
}

.progress-fill.orange {
    background: var(--orange);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
}

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

.progress-value {
    font-weight: 500;
}

.key-levels-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
}

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

.level-value {
    font-weight: 500;
}

.card-footer {
    display: flex;
    justify-content: flex-end;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.detail-link {
    color: var(--text-secondary);
    font-size: 12px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

.detail-link:hover {
    color: var(--green);
}

/* 详情视图 */
.detail-header {
    margin-bottom: 20px;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    margin-bottom: 16px;
    transition: all 0.2s;
}

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

.detail-title-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
}

.price-info {
    display: flex;
    flex-direction: column;
}

.current-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--green);
}

.price-change {
    font-size: 14px;
    margin-top: 4px;
}

.quote-info {
    display: flex;
    gap: 24px;
}

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

.quote-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.quote-value {
    font-size: 14px;
    font-weight: 500;
}

/* 周期选择 */
.period-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.period-selector i {
    color: var(--green);
}

.period-label {
    color: var(--text-secondary);
    font-size: 13px;
    margin-right: 8px;
}

.period-btn {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.period-btn:hover {
    border-color: var(--text-muted);
}

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

/* 详情主体 */
.detail-body {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 20px;
}

.chart-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
}

.kline-chart {
    width: 100%;
    height: 500px;
}

/* 分析面板 */
.analysis-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.panel-title i {
    color: var(--green);
}

/* 交易建议 */
.suggestion-box {
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    text-align: center;
}

.suggestion-box.up {
    background: var(--green-bg);
    border: 1px solid var(--green-border);
}

.suggestion-box.down {
    background: var(--red-bg);
    border: 1px solid var(--red-border);
}

.suggestion-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.suggestion-action {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.suggestion-box.up .suggestion-action {
    color: var(--green);
}

.suggestion-box.down .suggestion-action {
    color: var(--red);
}

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

.suggestion-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--bg-secondary);
    border-radius: 6px;
    font-size: 12px;
}

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

.detail-value {
    font-weight: 500;
}

/* 技术指标 */
.indicators-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.indicator-item {
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.indicator-name {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.indicator-value {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.indicator-detail {
    font-size: 11px;
    color: var(--text-secondary);
}

/* 关键点位 */
.levels-section {
    margin-bottom: 12px;
}

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

.levels-header {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
}

.levels-header.resistance {
    color: var(--red);
}

.levels-header.support {
    color: var(--green);
}

.level-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

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

.level-row span:first-child {
    color: var(--text-secondary);
}

/* 多周期一致性 */
.consistency-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.period-name {
    font-size: 13px;
    color: var(--text-secondary);
}

.consistency-badge {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.consistency-badge.up {
    background: var(--green-bg);
    color: var(--green);
}

.consistency-badge.down {
    background: var(--red-bg);
    color: var(--red);
}

.consistency-badge.neutral {
    background: rgba(107, 114, 128, 0.15);
    color: var(--text-muted);
}

/* 响应式 */
@media (max-width: 1200px) {
    .detail-body {
        grid-template-columns: 1fr;
    }
    
    .analysis-panel {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-nav {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .nav-center {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .futures-grid {
        grid-template-columns: 1fr;
    }
    
    .analysis-panel {
        grid-template-columns: 1fr;
    }
    
    .detail-title-bar {
        flex-direction: column;
        gap: 16px;
    }
    
    .quote-info {
        width: 100%;
        justify-content: space-between;
    }
}