.signal-section{
    margin-top: 14px;
}

.signal-heading{
    margin: 0 0 10px 0;
    font-size: 18px;
    font-weight: 800;
    color: #111827;
}

.signal-grid{
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.signal-box{
    padding:18px;
    border-radius: 18px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.signal-title{
    font-size: 13px;
    font-weight: 800;
    color: #334155;
    margin-bottom: 8px;
}

.signal-bars{
    display: flex;
    align-items: flex-end;
    gap: 2px;              /* minimum distance between bars */
    height: 26px;
    margin-bottom: 6px;
}

.signal-bars .bar{
    width: 6px;
    border-radius: 999px;
    background: #cbd5e1;
}

.signal-bars .bar:nth-child(1){height: 6px;}
.signal-bars .bar:nth-child(2){height: 12px;}
.signal-bars .bar:nth-child(3){height: 18px;}
.signal-bars .bar:nth-child(4){height: 24px;}

.signal-bars.excellent .bar:nth-child(-n+4){background:#10b981;}
.signal-bars.good .bar:nth-child(-n+3){background:#10b981;}
.signal-bars.medium .bar:nth-child(-n+2){background:#f59e0b;}
.signal-bars.low .bar:nth-child(-n+1){background:#ef4444;}
.signal-bars.none .bar{background:#cbd5e1;}

.signal-text{
    font-size: 13px;
    font-weight: 800;
    color: #334155;
}