/* 图表样式 */

/* 图表容器 */
.chart-wrapper {
    margin: 1.5em 0;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    overflow: hidden;
    background: var(--card-bg, #ffffff);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 工具栏 */
.chart-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8em 1em;
    background: var(--toolbar-bg, #f9fafb);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.chart-type-badge {
    font-size: 0.9em;
    font-weight: 500;
    color: var(--text-primary, #1f2937);
    display: flex;
    align-items: center;
    gap: 0.5em;
}

.chart-toggle-btn {
    padding: 0.4em 1em;
    background: var(--primary-color, #3b82f6);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
    transition: all 0.2s;
    font-family: inherit;
}

.chart-toggle-btn:hover {
    background: var(--primary-hover, #2563eb);
    transform: translateY(-1px);
}

.chart-toggle-btn:active {
    transform: translateY(0);
}

/* 图表容器 */
.chart-container {
    padding: 1em;
    min-height: 400px;
}

/* 图表错误提示 */
.chart-error {
    padding: 2em;
    text-align: center;
    color: var(--text-secondary, #6b7280);
    background: var(--error-bg, #fef2f2);
    border-radius: 4px;
    margin: 1em;
}

/* 响应式 */
@media (max-width: 768px) {
    .chart-container {
        padding: 0.5em;
        height: 300px !important;
    }
    
    .chart-toolbar {
        padding: 0.6em 0.8em;
    }
    
    .chart-type-badge {
        font-size: 0.85em;
    }
    
    .chart-toggle-btn {
        padding: 0.3em 0.8em;
        font-size: 0.8em;
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    .chart-wrapper {
        background: var(--card-bg-dark, #1f2937);
        border-color: var(--border-color-dark, #374151);
    }
    
    .chart-toolbar {
        background: var(--toolbar-bg-dark, #111827);
        border-color: var(--border-color-dark, #374151);
    }
    
    .chart-type-badge {
        color: var(--text-primary-dark, #f9fafb);
    }
}