/**
 * channel-dashboard.css
 * 频道数据面板样式·深色主题
 */

.dashboard-container {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    color: #e0e0e0;
}

.dashboard-header {
    text-align: center;
    margin-bottom: 30px;
}

.dashboard-header h2 {
    font-size: 24px;
    color: #4fc3f7;
    margin-bottom: 8px;
}

.dashboard-header p {
    font-size: 14px;
    color: #888;
}

/* 图表网格 */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background: #1a1a2e;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #2a2a4a;
}

.chart-card h3 {
    font-size: 16px;
    color: #4fc3f7;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #2a2a4a;
}

.chart-card canvas {
    width: 100% !important;
    height: 200px !important;
    display: block;
}

/* 柱状图 */
.bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 200px;
    padding: 10px 0;
    border-bottom: 2px solid #333;
}

.bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 80px;
}

.bar-fill {
    width: 40px;
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease;
    min-height: 4px;
}

.bar-label {
    margin-top: 8px;
    font-size: 11px;
    color: #aaa;
    text-align: center;
    word-break: break-all;
}

.bar-value {
    font-size: 12px;
    color: #fff;
    margin-bottom: 4px;
}

/* 饼图 */
.pie-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.pie-canvas-wrap {
    flex-shrink: 0;
}

.pie-legend {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pie-legend li {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    font-size: 13px;
}

.pie-legend .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    flex-shrink: 0;
}

/* 折线图 */
.line-chart-wrap {
    position: relative;
    height: 200px;
}

/* 性能表格 */
.perf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.perf-table th {
    text-align: left;
    padding: 8px;
    background: #2a2a4a;
    color: #4fc3f7;
    font-weight: normal;
}

.perf-table td {
    padding: 8px;
    border-bottom: 1px solid #2a2a4a;
}

.perf-table tr:last-child td {
    border-bottom: none;
}

.perf-table .slow {
    color: #ff5252;
    font-weight: bold;
}

/* 按钮 */
.dashboard-actions {
    margin-top: 20px;
    text-align: right;
}

.btn-clear {
    background: #ff5252;
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-clear:hover {
    background: #ff1744;
}

/* 响应式 */
@media (max-width: 768px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
    .pie-container {
        flex-direction: column;
    }
}

/* 饼图 canvas 保持正方形 */
.pie-canvas-wrap canvas {
    width: 160px !important;
    height: 160px !important;
}