/* ── Heatmap shared styles ── */

.al-sensor-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    transition: transform 0.1s;
    cursor: default;
    flex-shrink: 0;
}

    .al-sensor-node:hover {
        transform: scale(1.12);
    }

.al-sensor-label {
    font-size: 9px;
    font-weight: 700;
    color: rgba(255,255,255,0.85);
    line-height: 1;
}

.al-sensor-value {
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    line-height: 1.3;
}

.al-heatmap-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #263238;
    margin-bottom: 10px;
}

.al-zone-legend {
    display: flex;
    gap: 18px;
    margin-bottom: 16px;
    font-size: 13px;
    color: #455a64;
}

    .al-zone-legend span {
        display: flex;
        align-items: center;
        gap: 5px;
    }

.al-legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.al-zone-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 12px;
}

.al-zone-wrapper-centered {
    justify-content: center;
}

.al-zone-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.al-zone-block-centered {
    align-self: center;
}

.al-zone-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #90a4ae;
    text-align: center;
    flex-shrink: 0;
}

.al-zone-a-grid {
    display: grid;
    grid-template-columns: repeat(5, 50px);
    gap: 4px;
}

.al-zone-667-grid {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.al-zone-667-vert {
    display: flex;
    flex-direction: row;
    gap: 4px;
    align-items: flex-start;
}

.al-zone-col {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.al-zone-col-offset {
    margin-top: 0;
}

.al-zone-col:not(.al-zone-col-offset) {
    margin-top: 27px;
}

.al-zone-row {
    display: flex;
    gap: 4px;
}

.al-zone-667-grid .al-zone-row:nth-child(2) {
    margin-left: 0;
}

.al-zone-667-grid .al-zone-row:nth-child(1),
.al-zone-667-grid .al-zone-row:nth-child(3) {
    margin-left: 27px;
}

.al-hcomb-row {
    display: flex;
    gap: 4px;
}

.al-hcomb-row:nth-child(even) {
    margin-left: 27px;
}

.al-zones-bc {
    display: flex;
    gap: 48px;
    margin-bottom: 14px;
    justify-content: center;
}

.al-cushion-layout {
    display: grid;
    grid-template-columns: auto auto auto;
    grid-template-rows: auto auto;
    grid-template-areas:
        ". a ."
        "b . c";
    justify-content: center;
    gap: 16px;
    margin-bottom: 14px;
}

.al-cushion-a {
    grid-area: a;
    align-self: start;
}

.al-cushion-b {
    grid-area: b;
    align-self: start;
}

.al-cushion-c {
    grid-area: c;
    align-self: start;
}

.al-zone-bc-grid {
    display: grid;
    grid-template-columns: repeat(4, 50px);
    gap: 4px;
}

.al-hcomb-col {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.al-hcomb-col-offset {
    margin-top: 27px;
}

.al-scale-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    width: 100%;
    align-self: stretch;
}

.al-scale-label {
    font-size: 12px;
    color: #607d8b;
}

.al-scale-bar {
    flex: 1;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right, rgb(0,80,255), rgb(0,200,220), rgb(80,200,80), rgb(255,210,0), rgb(220,50,30));
}

.al-zone-stats {
    border-top: 1px solid #e0e4ed;
    padding-top: 14px;
    width: 100%;
    align-self: stretch;
}

.al-zone-stats-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #90a4ae;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.al-zone-stat-row {
    margin-bottom: 10px;
}

.al-zone-stat-name {
    font-size: 14px;
    font-weight: 600;
    color: #37474f;
    margin-bottom: 2px;
}

.al-zone-stat-values {
    font-size: 13px;
    color: #607d8b;
}

/* Contenitore centrato della heatmap — usato da HeatmapView.razor */
.sd-heatmap-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

@@media (max-width: 900px) {
    .al-zones-bc {
        flex-direction: column;
        align-items: center;
    }
}