/* 圖表外殼 */
.chart-card {
    background-color: var(--chart-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.chart-header {
    border-bottom: 1px solid var(--divider);
}

#candlestick-chart {
    width: 100%;
    height: 100%;
    transition: opacity 0.3s ease-in;
}

/* 均線圖例 */
.chart-legend {
    z-index: 10;
    font-size: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    pointer-events: none;
    padding: 4px 8px;
    border-radius: 4px;
}

/* 智慧型 Tooltip */
#chart-tooltip {
    position: absolute;
    display: none;
    padding: 8px;
    font-size: 13px;
    background: var(--tooltip-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    z-index: 100;
    pointer-events: none;
    min-width: 120px;
    box-shadow: 0 4px 15px var(--tooltip-shadow);
    opacity: 0.85;
}

.chart-tooltip-date { 
    color: var(--text-main);
    font-weight: bold;
    text-align: center;
    border-bottom: 1px solid var(--divider);
    margin-bottom: 5px; 
}

.chart-tooltip-row { 
    display: flex;
    justify-content: 
    space-between; 
}


/* 處理捲動干擾 */
#candlestick-chart::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: auto;
    visibility: visible;
    transition: visibility 0s;
    transition-delay: 0.5s;
}

#candlestick-chart:hover::after {
    visibility: hidden;
    transition-delay: 0.5s;
}

#candlestick-chart:not(:hover)::after {
    visibility: hidden;
    transition-delay: 0s;
}