/* Center Tab Navigation Styles */
.center-tab-container {
    width: 100%;
    border-bottom: 1px solid #F0F0F0;
    justify-content: space-between;
    display: inline-flex;
}

.center-tab-nav {
    justify-content: flex-start;
    align-items: center;
    gap: 12px;
    display: flex;
}

.center-tab-item {
    height: 40px;
    justify-content: center;
    align-items: center;
    gap: 4px;
    display: flex;
    cursor: pointer;
    transition: all 0.3s ease;
}

.center-tab-item>a {
    /* let anchors behave like the old div for styling */
    display: flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
}

.center-tab-item.active {
    border-bottom: 2px solid #2980B9;
}

.center-tab-item.default {
    border-bottom: 2px solid transparent;
}

.center-tab-item.active .center-tab-text {
    color: #2980B9;
}

.center-tab-item.default .center-tab-text {
    color: rgba(0, 0, 0, 0.88);
}

.center-tab-text {
    font-size: 14px;
    font-weight: 400;
    word-wrap: break-word;
    transition: color 0.3s ease;
}

.center-tab-controls {
    justify-content: center;
    align-items: center;
    gap: 8px;
    display: flex;
}

.center-tab-button {
    padding-left: 8px;
    padding-right: 8px;
    padding-top: 4px;
    padding-bottom: 4px;
    border-radius: 4px;
    justify-content: flex-start;
    align-items: center;
    gap: 4px;
    display: flex;
    cursor: pointer;
    transition: all 0.3s ease;
    outline-offset: -1px;
}

.center-tab-button.active {
    background: #E5EFF7;
    outline: 1px solid #CADFEE;
}

.center-tab-button.default {
    background: rgba(0, 0, 0, 0.02);
    outline: 1px solid #D9D9D9;
}

.center-tab-button.active .center-tab-button-text {
    color: #2980B9;
}

.center-tab-button.default .center-tab-button-text {
    color: rgba(0, 0, 0, 0.88);
}

.center-tab-button-text {
    font-size: 12px;
    font-weight: 400;
    word-wrap: break-word;
    transition: color 0.3s ease;
}

.center-tab-select {
    border: 1px solid #D9D9D9;
    width: 100px !important;
    border-radius: 4px !important;
    padding-left: 6px;
    height: 34px;
    font-size: 12px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .center-tab-container {
        flex-direction: column;
        gap: 12px;
    }

    .center-tab-nav {
        width: 100%;
        justify-content: space-around;
    }

    .center-tab-controls {
        width: 100%;
        justify-content: flex-start;
    }
}

span.highcharts-title {
    width: 100% !important;
}

/* Responsive: Tổng quan - Mobile - mỗi chart 1 hàng */
@media (max-width: 768px) {
    #tab_tongquan .col-md-12 {
        flex-direction: column !important;
    }

    #tab_tongquan .col-md-6 {
        width: 100% !important;
        flex: none !important;
        min-height: 280px;
    }

    #tab_tongquan #chart_CPTheoVonHoa,
    #tab_tongquan #chart_BienDongChiSoTheoNganh,
    #tab_tongquan #chart_BienDongThanhKhoan,
    #tab_tongquan #chart_CoPhieuAnhHuong,
    #tab_tongquan #chart_GDKhoiNgoai {
        min-height: 220px;
    }
}