.aiep-chart {
    margin: 2rem 0;
    padding: 1.25rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    background: #fff;
    box-sizing: border-box;
}

.aiep-chart__heading {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    line-height: 1.3;
}

.aiep-chart__intro {
    margin: 0 0 1rem;
    color: #444;
    line-height: 1.6;
}

.aiep-chart__visual {
    inline-size: 100%;
    min-block-size: var(--aiep-chart-height, 420px);
}

.aiep-chart__visual iframe,
.aiep-chart__visual .tradingview-widget-container,
.aiep-chart__visual .tradingview-widget-container__widget {
    display: block;
    inline-size: 100%;
    min-block-size: var(--aiep-chart-height, 420px);
}

.aiep-chart__visual iframe {
    border: 0;
}

.aiep-chart__source {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: #666;
}

.aiep-chart__source a {
    color: inherit;
    text-decoration: underline;
}

@media (max-width: 767px) {
    .aiep-chart {
        margin: 1.5rem 0;
        padding: 1rem;
    }

    .aiep-chart__visual {
        min-block-size: var(--aiep-chart-mobile-height, 320px);
    }

    .aiep-chart__visual iframe,
    .aiep-chart__visual .tradingview-widget-container,
    .aiep-chart__visual .tradingview-widget-container__widget {
        min-block-size: var(--aiep-chart-mobile-height, 320px);
    }
}