[data-idex-chart] {
    background: #f4f4f4;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.idex-chart__wrapper {
    padding: 24px 24px 20px;
}

.idex-chart__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.idex-chart__titulo {
    margin: 0;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    color: #000;
    letter-spacing: 0.02em;
}

.idex-chart__controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.idex-chart__periodos {
    display: flex;
    gap: 4px;
}

.idex-chart__periodo-btn {
    padding: 6px 14px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 6px;
    background: transparent;
    color: #1d1d20;
    font-family: 'Sora', sans-serif;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.idex-chart__periodo-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.25);
}

.idex-chart__periodo-btn.is-active {
    background: #1d1d20;
    color: #fff;
    border-color: #1d1d20;
}

.idex-chart__zoom-hint {
    font-size: 10px;
    font-weight: 500;
    color: #999;
    white-space: nowrap;
}

.idex-chart__canvas {
    width: 100%;
    min-height: 380px;
}

.idex-chart__legenda {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.idex-chart__legenda-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #1d1d20;
}

.idex-chart__legenda-cor {
    width: 12px;
    height: 3px;
    border-radius: 2px;
    display: inline-block;
}

.highcharts-exporting-group {
    opacity: 0.4;
    transition: opacity 0.2s;
}

[data-idex-chart]:hover .highcharts-exporting-group {
    opacity: 1;
}

/* Dark variant */
[data-idex-chart].idex-chart--dark {
    background: #1d1d20;
    border-color: rgba(255, 255, 255, 0.08);
}

.idex-chart--dark .idex-chart__header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.idex-chart--dark .idex-chart__titulo {
    color: #fff;
}

.idex-chart--dark .idex-chart__periodo-btn {
    border-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
}

.idex-chart--dark .idex-chart__periodo-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.idex-chart--dark .idex-chart__periodo-btn.is-active {
    background: #0080ff;
    color: #fff;
    border-color: #0080ff;
}

.idex-chart--dark .idex-chart__zoom-hint {
    color: rgba(255, 255, 255, 0.3);
}

.idex-chart--dark .idex-chart__legenda {
    border-top-color: rgba(255, 255, 255, 0.1);
}

.idex-chart--dark .idex-chart__legenda-item {
    color: rgba(255, 255, 255, 0.7);
}

/* Responsivo */
@media (max-width: 768px) {
    .idex-chart__wrapper {
        padding: 16px 16px 14px;
    }

    .idex-chart__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .idex-chart__controls {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .idex-chart__periodos {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .idex-chart__periodo-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .idex-chart__zoom-hint {
        display: none;
    }

    .idex-chart__canvas {
        min-height: 300px;
    }

    .idex-chart__legenda {
        gap: 16px;
    }

    .idex-chart__legenda-item {
        font-size: 12px;
    }
}