/* ========== dashboard.css ========== */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--color-text-primary);
    font-size: 14px; /* 基准字体大小 */
}

/* 主容器 */
.dashboard-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

/* ========== 顶部标题栏 ========== */
.dashboard-header {
    height: 60px;
    min-height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    background: linear-gradient(90deg, var(--bg-primary) 0%, var(--bg-card) 50%, var(--bg-primary) 100%);
    border-bottom: 2px solid var(--color-primary);
    box-shadow: 0 2px 20px rgba(0, 240, 255, 0.3);
}

.header-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    width: 100%;
}

.header-left .title {
    font-size: var(--font-size-2xl);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    padding: 0;
}

.header-left .title i {
    font-size: var(--font-size-3xl);
    background: none;
    -webkit-text-fill-color: var(--color-primary);
}

.header-left .datetime {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-family: 'Courier New', monospace;
    font-weight: 500;
    text-align: center;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-right .user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.online-status {
    color: var(--color-success);
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-sm);
}

.online-status i {
    animation: blink 2s infinite;
}

/* ========== 连接状态 ========== */
.connection-status {
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    padding: 6px 12px;
    background: rgba(0, 240, 255, 0.1);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(0, 240, 255, 0.3);
}

.connection-status.online {
    color: var(--color-success);
    background: rgba(0, 255, 157, 0.1);
    border-color: rgba(0, 255, 157, 0.3);
}

.connection-status.offline {
    color: var(--color-danger);
    background: rgba(255, 71, 87, 0.1);
    border-color: rgba(255, 71, 87, 0.3);
}

.connection-status i {
    font-size: 14px;
}

#connectionIcon.blink {
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.5; }
}

/* ========== 主内容区 ========== */
.dashboard-main {
    flex: 1;
    display: flex;
    overflow: hidden;
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
}

/* 在低高度屏幕上允许主内容区滚动 */
@media (max-height: 900px) {
    .dashboard-main {
        overflow-y: auto;
    }

    .chart-card {
        min-height: 150px;
    }
}

@media (max-height: 700px) {
    .dashboard-header {
        height: 40px;
    }

    .metrics-container {
        height: 15%;
    }

    .chart-card {
        min-height: 120px;
    }
}

.dashboard-left,
.dashboard-center,
.dashboard-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    overflow: hidden;
}

.dashboard-left {
    width: 22%;
    min-width: 280px;
    max-width: 450px;
}

.dashboard-center {
    flex: 1;
}

.dashboard-right {
    width: 22%;
    min-width: 280px;
    max-width: 450px;
}

/* ========== 卡片样式 ========== */
.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

/* 高DPI屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .chart-card {
        backdrop-filter: blur(20px);
    }

    .chart-card-title {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    .metric-value {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

.chart-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-lg);
}

.chart-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 12px;
    height: 12px;
    border-top: 2px solid var(--color-primary);
    border-left: 2px solid var(--color-primary);
}

.chart-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    border-bottom: 2px solid var(--color-primary);
    border-right: 2px solid var(--color-primary);
}

.chart-card-title {
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    border-left: 3px solid var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    justify-content: space-between;
}

.chart-card-title i {
    font-size: var(--font-size-md);
}

.chart-card-title .datetime {
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-text-secondary);
    font-family: 'Courier New', monospace;
    margin-left: auto;
}

/* ========== 指标卡片 ========== */
.metrics-container {
    display: grid;
    grid-template-columns: 1fr repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: var(--spacing-sm);
    overflow: hidden;
    height: 18%;
}

.metric-card {
    grid-column: span 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

/* 小屏幕下指标卡片默认为垂直布局 */
@media (max-width: 767px) {
    .metric-card {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
    }

    .metric-card .metric-icon {
        margin-bottom: var(--spacing-xs);
    }

    .metric-card .metric-content {
        width: 100%;
        text-align: left;
    }

    .metric-card-tall {
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
    }

    .metric-card-tall .metric-icon {
        margin-bottom: 0;
        margin-right: var(--spacing-sm);
    }

    .metric-card-tall .metric-content {
        flex: 1;
    }

    /* 确保手数统计卡片内容也正确显示 */
    .metric-card-tall .volume-stats-vertical {
        width: 100%;
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        gap: var(--spacing-sm);
    }
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-success));
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.metric-icon {
    font-size: 32px;
    opacity: 0.8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-icon i {
    font-size: 36px;
}

.metric-content {
    flex: 1;
}

.metric-content-wide {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.metric-content-tall {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    justify-content: center;
}

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

/* 手数统计卡片 */
.metric-card-wide {
    flex: 1.5;
}

/* 手数统计卡片（Grid 全宽） */
.metric-card-grid-wide {
    grid-column: span 3;
}

/* 手数统计卡片（占两行一列） */
.metric-card-tall {
    grid-row: span 2;
    height: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.metric-card-tall .metric-icon {
    font-size: 24px;
}

.metric-card-tall .metric-icon i {
    font-size: 28px;
}

.metric-card-tall .metric-label {
    font-size: 10px;
    margin-bottom: 2px;
}

.metric-card-tall .metric-trend {
    font-size: 10px;
    margin-top: 2px;
}

.volume-stats {
    display: flex;
    gap: var(--spacing-md);
    justify-content: space-around;
    padding: var(--spacing-xs) 0;
}

.volume-stats-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: 0;
}

.volume-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 6px;
    background: rgba(0, 240, 255, 0.05);
    border-radius: var(--border-radius-sm);
    flex: 1;
    transition: all var(--transition-fast);
}

.volume-item:hover {
    background: rgba(0, 240, 255, 0.1);
    transform: translateY(-2px);
}

.volume-label {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-card-tall .volume-label {
    font-size: 9px;
}

.volume-value {
    font-size: var(--font-size-xl);
    font-weight: bold;
    background: linear-gradient(135deg, var(--color-primary), var(--color-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-card-tall .volume-value {
    font-size: 16px;
}

.metric-value {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.metric-trend {
    font-size: var(--font-size-xs);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 2px;
}

.metric-trend.up {
    color: var(--color-success);
}

.metric-trend.down {
    color: var(--color-danger);
}

/* ========== 图表容器 ========== */
.chart-container {
    width: 100%;
    height: 100%;
    min-height: 0;
}

/* 移动端图表容器优化 */
@media (max-width: 767px) {
    .chart-container {
        min-height: 180px;
    }

    .dashboard-left .chart-container,
    .dashboard-right .chart-container {
        min-height: 160px;
    }
}

/* ========== 自动滚动容器 ========== */
.auto-scroll-container {
    overflow: hidden;
    position: relative;
    height: 100%;
}

.auto-scroll-content {
    overflow: hidden;
    height: 100%;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.auto-scroll-wrapper {
    animation: autoScroll 20s linear infinite;
}

@keyframes autoScroll {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

/* 鼠标悬停时暂停滚动 */
.auto-scroll-wrapper:hover {
    animation-play-state: paused;
}

.auto-scroll-content::-webkit-scrollbar {
    display: none;
}

/* 在小屏幕上加快滚动速度 */
@media (max-width: 1365px) {
    .auto-scroll-wrapper {
        animation-duration: 15s;
    }
}

@media (max-width: 767px) {
    .auto-scroll-wrapper {
        animation-duration: 10s;
    }

    .auto-scroll-container {
        min-height: 200px;
    }
}

@media (max-width: 479px) {
    .auto-scroll-container {
        min-height: 180px;
    }
}

/* ========== 列表项样式 ========== */
.trade-item,
.warning-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-input);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    transition: all var(--transition-fast);
}

/* 移动端列表项优化 */
@media (max-width: 767px) {
    .trade-item,
    .warning-item {
        padding: var(--spacing-xs);
        margin-bottom: var(--spacing-xs);
        font-size: 10px;
    }

    .trade-row {
        flex-wrap: wrap;
        gap: 2px;
    }

    .trade-row span {
        font-size: 9px;
    }
}

.trade-item:hover,
.warning-item:hover {
    background: rgba(0, 240, 255, 0.1);
}

.trade-item.profit {
    border-left-color: var(--color-success);
}

.trade-item.loss {
    border-left-color: var(--color-danger);
}

.warning-item.high {
    border-left-color: var(--color-danger);
    background: rgba(255, 71, 87, 0.1);
}

.warning-item.medium {
    border-left-color: var(--color-warning);
    background: rgba(255, 191, 0, 0.1);
}

.warning-item.low {
    border-left-color: var(--color-primary);
    background: rgba(0, 240, 255, 0.1);
}

.trade-row,
.warning-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.trade-row:last-child,
.warning-row:last-child {
    margin-bottom: 0;
}

.profit-value {
    color: var(--color-success);
    font-weight: bold;
}

.loss-value {
    color: var(--color-danger);
    font-weight: bold;
}

/* ========== 响应式设计 ========== */

/* 超大屏幕 (2K/4K) */
@media (min-width: 2560px) {
    .dashboard-header { height: 80px; padding: 0 40px; }
    .header-left .title { font-size: 32px; }
    .header-left .title i { font-size: 40px; }
    .chart-card-title { font-size: var(--font-size-md); }
    .metric-value { font-size: var(--font-size-3xl); }
    .metric-icon i { font-size: 44px; }
    .connection-status { font-size: var(--font-size-sm); padding: 8px 20px; }

    .dashboard-left, .dashboard-right {
        min-width: 350px;
        max-width: 550px;
    }
}

/* 大屏幕 (1920px - 2559px) */
@media (min-width: 1920px) and (max-width: 2559px) {
    /* 默认标准屏样式，保持原样 */
}

/* 中大屏幕 (1600px - 1919px) */
@media (min-width: 1600px) and (max-width: 1919px) {
    .dashboard-header { height: 60px; }
    .header-left .title { font-size: 24px; }
    .header-left .title i { font-size: 28px; }
    .chart-card-title { font-size: var(--font-size-sm); }
    .metric-value { font-size: var(--font-size-xl); }
    .metric-icon i { font-size: 32px; }

    .dashboard-left, .dashboard-right {
        width: 24%;
        min-width: 300px;
    }

    .metrics-container {
        grid-template-columns: 1fr repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
}

/* 标准屏幕 (1366px - 1599px) */
@media (min-width: 1366px) and (max-width: 1599px) {
    .dashboard-header { height: 55px; padding: 0 var(--spacing-lg); }
    .header-left .title { font-size: 20px; }
    .header-left .title i { font-size: 24px; }
    .chart-card-title { font-size: var(--font-size-xs); }
    .metric-value { font-size: var(--font-size-lg); }
    .metric-icon i { font-size: 28px; }
    .connection-status { font-size: 10px; padding: 6px 12px; }

    .dashboard-left, .dashboard-right {
        width: 26%;
        min-width: 280px;
    }

    .metrics-container {
        grid-template-columns: 1fr repeat(3, 1fr);
        gap: var(--spacing-xs);
    }

    .metric-card {
        padding: var(--spacing-sm);
    }

    .metric-card-tall {
        padding: var(--spacing-sm);
    }
}

/* 小屏幕 (1024px - 1365px) */
@media (min-width: 1024px) and (max-width: 1365px) {
    html, body {
        font-size: 13px;
    }

    .dashboard-header {
        height: 50px;
        padding: 0 var(--spacing-md);
    }

    .header-left .title {
        font-size: 18px;
    }

    .header-left .title i {
        font-size: 20px;
    }

    .chart-card-title {
        font-size: 11px;
        padding-left: var(--spacing-sm);
    }

    .chart-card-title i {
        font-size: var(--font-size-sm);
    }

    .metric-value {
        font-size: var(--font-size-md);
    }

    .metric-icon i {
        font-size: 24px;
    }

    .connection-status {
        font-size: 10px;
        padding: 5px 10px;
        gap: 3px;
    }

    .connection-status i {
        font-size: 12px;
    }

    .dashboard-main {
        gap: var(--spacing-xs);
        padding: var(--spacing-xs);
    }

    .dashboard-left, .dashboard-right {
        width: 28%;
        min-width: 260px;
    }

    .metrics-container {
        grid-template-columns: 1fr 1fr 1fr;
        gap: var(--spacing-xs);
    }

    .metric-card {
        padding: var(--spacing-xs);
    }

    .metric-card-tall {
        grid-row: span 2;
        padding: var(--spacing-xs);
    }

    .metric-card-tall .metric-icon i {
        font-size: 24px;
    }

    .metric-card-tall .metric-label {
        font-size: 9px;
    }

    .metric-card-tall .volume-value {
        font-size: 14px;
    }

    .chart-card {
        padding: var(--spacing-sm);
    }
}

/* 平板横屏 (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    html, body {
        font-size: 13px;
        overflow: auto;
    }

    .dashboard-container {
        height: auto;
        min-height: 100vh;
    }

    .dashboard-header {
        height: 50px;
        padding: 0 var(--spacing-md);
    }

    .header-left .title {
        font-size: 18px;
        gap: 4px;
        line-height: 1.3;
    }

    .header-left .title i {
        font-size: 20px;
    }

    .chart-card-title {
        font-size: 11px;
        padding-left: var(--spacing-sm);
    }

    .chart-card-title i {
        font-size: 12px;
    }

    .metric-value {
        font-size: 16px;
    }

    .metric-icon i {
        font-size: 22px;
    }

    .metric-label {
        font-size: 10px;
    }

    .connection-status {
        font-size: 10px;
        padding: 5px 10px;
    }

    .connection-status i {
        font-size: 12px;
    }

    .dashboard-main {
        flex-direction: column;
        overflow: visible;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .dashboard-left, .dashboard-center, .dashboard-right {
        width: 100%;
        max-width: none;
        min-width: 0;
        height: auto;
    }

    .metrics-container {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        height: auto;
        margin-bottom: var(--spacing-md);
    }

    .metric-card {
        flex: 0 0 calc(50% - var(--spacing-sm) / 2);
        padding: var(--spacing-sm);
        min-height: 95px;
        flex-direction: column;
        align-items: flex-start;
    }

    .metric-card .metric-icon {
        margin-bottom: var(--spacing-xs);
    }

    .metric-card-tall {
        flex: 0 0 100%;
        min-height: 110px;
        flex-direction: row;
        align-items: center;
    }

    .metric-card-tall .metric-icon {
        margin-bottom: 0;
        margin-right: var(--spacing-sm);
    }

    .chart-card {
        padding: var(--spacing-sm);
        min-height: 240px;
        margin-bottom: var(--spacing-md);
    }

    .volume-stats-vertical {
        gap: var(--spacing-xs);
    }

    .volume-item {
        padding: var(--spacing-xs);
    }

    .volume-label {
        font-size: 10px;
    }

    .volume-value {
        font-size: 15px;
    }
}

/* 平板竖屏 (480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
    html, body {
        font-size: 13px;
        overflow: auto;
    }

    .dashboard-container {
        height: auto;
        min-height: 100vh;
        overflow: auto;
    }

    .dashboard-header {
        height: auto;
        min-height: 55px;
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .header-left .title {
        font-size: 18px;
        line-height: 1.4;
    }

    .header-left .title i {
        font-size: 20px;
    }

    .chart-card-title {
        font-size: 12px;
        padding-left: var(--spacing-sm);
        border-left-width: 2px;
        margin-bottom: var(--spacing-sm);
        flex-wrap: wrap;
    }

    .chart-card-title i {
        font-size: 14px;
    }

    .chart-card-title .datetime {
        font-size: 11px;
        margin-left: auto;
    }

    .metric-value {
        font-size: 18px;
    }

    .metric-icon {
        font-size: 26px;
    }

    .metric-icon i {
        font-size: 26px;
    }

    .metric-label {
        font-size: 11px;
    }

    .metric-trend {
        font-size: 10px;
    }

    .connection-status {
        font-size: 10px;
        padding: 5px 10px;
    }

    .connection-status i {
        font-size: 12px;
    }

    .dashboard-main {
        flex-direction: column;
        overflow: visible;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .dashboard-left, .dashboard-center, .dashboard-right {
        width: 100%;
        max-width: none;
        min-width: 0;
        height: auto;
    }

    .metrics-container {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        height: auto;
        margin-bottom: var(--spacing-md);
    }

    .metric-card {
        flex: 0 0 calc(50% - var(--spacing-sm) / 2);
        padding: var(--spacing-sm);
        min-height: 100px;
        flex-direction: column;
        align-items: flex-start;
    }

    .metric-card .metric-icon {
        margin-bottom: var(--spacing-xs);
    }

    .metric-card-tall {
        flex: 0 0 100%;
        min-height: 100px;
        flex-direction: row;
        align-items: center;
    }

    .metric-card-tall .metric-icon {
        margin-bottom: 0;
        margin-right: var(--spacing-sm);
    }

    .chart-card {
        padding: var(--spacing-sm);
        min-height: 280px;
        margin-bottom: var(--spacing-md);
    }

    .chart-card::before,
    .chart-card::after {
        width: 10px;
        height: 10px;
        border-width: 2px;
    }

    .volume-stats-vertical {
        gap: var(--spacing-sm);
    }

    .volume-item {
        padding: var(--spacing-sm);
    }

    .volume-label {
        font-size: 11px;
    }

    .volume-value {
        font-size: 16px;
    }
}

/* 手机横屏 (360px - 479px) */
@media (min-width: 360px) and (max-width: 479px) {
    html, body {
        font-size: 12px;
        overflow: auto;
    }

    .dashboard-container {
        height: auto;
        min-height: 100vh;
        overflow: auto;
    }

    .dashboard-header {
        height: auto;
        min-height: 50px;
        padding: var(--spacing-sm);
        flex-wrap: wrap;
    }

    .header-left .title {
        font-size: 16px;
        line-height: 1.4;
    }

    .header-left .title i {
        font-size: 18px;
    }

    .chart-card-title {
        font-size: 11px;
        padding-left: var(--spacing-xs);
        border-left-width: 2px;
        margin-bottom: var(--spacing-xs);
        flex-wrap: wrap;
    }

    .chart-card-title i {
        font-size: 12px;
    }

    .chart-card-title .datetime {
        font-size: 10px;
        margin-left: auto;
    }

    .metric-value {
        font-size: 16px;
    }

    .metric-icon {
        font-size: 22px;
    }

    .metric-icon i {
        font-size: 22px;
    }

    .metric-label {
        font-size: 10px;
    }

    .metric-trend {
        font-size: 9px;
    }

    .connection-status {
        font-size: 9px;
        padding: 4px 8px;
    }

    .connection-status i {
        font-size: 11px;
    }

    .dashboard-main {
        flex-direction: column;
        overflow: visible;
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .dashboard-left, .dashboard-center, .dashboard-right {
        width: 100%;
        max-width: none;
        min-width: 0;
        height: auto;
    }

    .metrics-container {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
        height: auto;
        margin-bottom: var(--spacing-sm);
    }

    .metric-card {
        flex: 0 0 calc(50% - var(--spacing-xs) / 2);
        padding: var(--spacing-xs);
        min-height: 85px;
        flex-direction: column;
        align-items: flex-start;
    }

    .metric-card .metric-icon {
        margin-bottom: 3px;
    }

    .metric-card-tall {
        flex: 0 0 100%;
        min-height: 90px;
        flex-direction: row;
        align-items: center;
    }

    .metric-card-tall .metric-icon {
        margin-bottom: 0;
        margin-right: var(--spacing-xs);
    }

    .chart-card {
        padding: var(--spacing-xs);
        min-height: 220px;
        margin-bottom: var(--spacing-sm);
    }

    .chart-card::before,
    .chart-card::after {
        width: 8px;
        height: 8px;
        border-width: 2px;
    }

    .volume-stats-vertical {
        gap: var(--spacing-xs);
    }

    .volume-item {
        padding: var(--spacing-xs);
    }

    .volume-label {
        font-size: 9px;
    }

    .volume-value {
        font-size: 14px;
    }
}

/* 超小屏幕 (< 360px) */
@media (max-width: 359px) {
    html, body {
        font-size: 11px;
        overflow: auto;
    }

    .dashboard-container {
        height: auto;
        min-height: 100vh;
        overflow: auto;
    }

    .dashboard-header {
        height: auto;
        min-height: 45px;
        padding: var(--spacing-xs) var(--spacing-sm);
        flex-wrap: wrap;
    }

    .header-left .title {
        font-size: 14px;
        line-height: 1.3;
    }

    .header-left .title i {
        font-size: 16px;
    }

    .chart-card-title {
        font-size: 10px;
        padding-left: var(--spacing-xs);
        border-left-width: 2px;
        margin-bottom: var(--spacing-xs);
        flex-wrap: wrap;
    }

    .chart-card-title i {
        font-size: 11px;
    }

    .chart-card-title .datetime {
        font-size: 9px;
        margin-left: auto;
    }

    .metric-value {
        font-size: 14px;
    }

    .metric-icon {
        font-size: 20px;
    }

    .metric-icon i {
        font-size: 20px;
    }

    .metric-label {
        font-size: 9px;
    }

    .metric-trend {
        font-size: 8px;
    }

    .connection-status {
        font-size: 8px;
        padding: 3px 6px;
    }

    .connection-status i {
        font-size: 10px;
    }

    .dashboard-main {
        flex-direction: column;
        overflow: visible;
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .dashboard-left, .dashboard-center, .dashboard-right {
        width: 100%;
        height: auto;
    }

    .metrics-container {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
        height: auto;
        margin-bottom: var(--spacing-sm);
    }

    .metric-card {
        flex: 0 0 calc(50% - var(--spacing-xs) / 2);
        padding: var(--spacing-xs);
        min-height: 75px;
        flex-direction: column;
        align-items: flex-start;
    }

    .metric-card .metric-icon {
        margin-bottom: 2px;
    }

    .metric-card-tall {
        flex: 0 0 100%;
        min-height: 85px;
        flex-direction: row;
        align-items: center;
    }

    .metric-card-tall .metric-icon {
        margin-bottom: 0;
        margin-right: var(--spacing-xs);
    }

    .chart-card {
        padding: var(--spacing-xs);
        min-height: 200px;
        margin-bottom: var(--spacing-sm);
    }

    .chart-card::before,
    .chart-card::after {
        width: 6px;
        height: 6px;
        border-width: 2px;
    }

    .volume-stats-vertical {
        gap: var(--spacing-xs);
    }

    .volume-item {
        padding: var(--spacing-xs);
    }

    .volume-label {
        font-size: 8px;
    }

    .volume-value {
        font-size: 12px;
    }
}

/* 竖屏模式优化（适用于平板和手机） */
@media (orientation: portrait) and (max-width: 1024px) {
    html, body {
        overflow: auto;
    }

    .dashboard-container {
        height: auto;
        min-height: 100vh;
    }

    .dashboard-main {
        flex-direction: column;
        overflow: visible;
    }

    .dashboard-left, .dashboard-center, .dashboard-right {
        width: 100%;
        max-width: none;
    }

    .metrics-container {
        height: auto;
    }

    .chart-card {
        height: auto !important;
        min-height: 220px;
    }

    /* 左右侧栏的图表卡片 */
    .dashboard-left .chart-card,
    .dashboard-right .chart-card {
        min-height: 200px;
    }
}

/* 横屏模式优化（适用于平板和手机横屏） */
@media (orientation: landscape) and (max-height: 600px) {
    html, body {
        overflow: auto;
    }

    .dashboard-container {
        height: auto;
        min-height: 100vh;
    }

    .dashboard-header {
        height: 40px;
        min-height: 40px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .header-left .title {
        font-size: 16px;
        line-height: 1.3;
    }

    .header-left .title i {
        font-size: 18px;
    }

    .chart-card-title {
        font-size: 11px;
        margin-bottom: var(--spacing-xs);
    }

    .metrics-container {
        height: auto;
    }

    .chart-card {
        padding: var(--spacing-xs);
        min-height: 180px;
        margin-bottom: var(--spacing-sm);
    }

    .metric-card {
        min-height: 70px;
        padding: var(--spacing-xs);
    }

    .metric-icon {
        font-size: 20px;
    }

    .metric-icon i {
        font-size: 20px;
    }

    .metric-value {
        font-size: 14px;
    }
}