.row { display: flex; flex-wrap: wrap; gap: 32px; align-items: flex-start; }
.cell { display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 12px; color: var(--jqx-text-secondary-color); }
.stack { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }

/* The rack: a surface with a title strip, a meter per channel and the zone key. */
.rack {
    display: inline-block;
    max-width: 100%;
    border: 1px solid var(--jqx-border);
    border-radius: var(--jqx-border-radius);
    background: var(--jqx-industrial-panel-background, var(--jqx-surface));
}

.rack-title {
    padding: 8px 16px;
    border-bottom: 1px solid var(--jqx-border);
    background: var(--jqx-industrial-panel-header-background, var(--jqx-base-200));
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--jqx-text-secondary-color);
}

.channels {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px 26px;
    padding: 16px 22px 14px;
}

.channel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.channel .caption {
    font-family: Consolas, "Courier New", monospace;
    font-size: 11px;
    letter-spacing: .04em;
    color: var(--jqx-text-secondary-color);
    white-space: nowrap;
}

jqx-bar-graph.rack-meter {
    --jqx-bar-graph-width: 30px;
    --jqx-bar-graph-height: 190px;
}

.zones {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-self: center;
    margin-left: 10px;
    font-size: 11px;
    color: var(--jqx-text-secondary-color);
}

.zone::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    margin-right: 8px;
    vertical-align: -1px;
    border-radius: 1px;
}

.zone-d::before { background: var(--jqx-industrial-alarm-critical); }
.zone-c::before { background: var(--jqx-industrial-alarm-warning); }
.zone-b::before,
.zone-a::before { background: var(--jqx-industrial-ok); }
.zone-a::before { opacity: .45; }

/* ── Demo chrome, shared by the Industrial demos ─────────────────────────
   Headings, prose, buttons and notes are the same on every demo page. This block
   is appended by scripts and comes last, so it wins over the rules above. */
.jqx-demo-container {
    padding: 4px 0 32px;
}

.jqx-demo-container section {
    margin-bottom: 36px;
}

.jqx-demo-container section h2 {
    margin: 0 0 8px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--jqx-text-color);
}

.jqx-demo-container #overview h2 {
    margin-bottom: 10px;
    font-size: 20px;
    max-width: 78ch;
}

.jqx-demo-container section > p {
    margin: 0 0 14px;
    max-width: 84ch;
    font-size: 14px;
    line-height: 1.55;
    color: var(--jqx-text-secondary-color);
}

.jqx-demo-container code {
    padding: 1px 5px;
    border-radius: 2px;
    background: var(--jqx-ui-state-hover);
    font-family: Consolas, "Courier New", monospace;
    font-size: 12px;
}

.jqx-demo-container .demo-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    margin-top: 12px;
}

.jqx-demo-container .demo-actions label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--jqx-text-color);
}

.jqx-demo-container .demo-actions button,
.jqx-demo-container .demo-button {
    min-height: 30px;
    padding: 0 12px;
    border: 1px solid var(--jqx-border);
    border-radius: 3px;
    background: var(--jqx-industrial-panel-background, var(--jqx-surface));
    color: var(--jqx-text-color);
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    cursor: pointer;
}

.jqx-demo-container .demo-actions button:hover,
.jqx-demo-container .demo-button:hover {
    border-color: var(--jqx-ui-state-border-hover);
    background: var(--jqx-ui-state-hover);
    color: var(--jqx-ui-state-color-hover);
}

.jqx-demo-container .demo-actions button.demo-button-primary,
.jqx-demo-container .demo-button-primary {
    border-color: var(--jqx-primary);
    background: var(--jqx-primary);
    color: var(--jqx-primary-color, #fff);
}

.jqx-demo-container .demo-actions button[disabled],
.jqx-demo-container .demo-button[disabled] {
    opacity: 0.5;
    cursor: default;
}

.jqx-demo-container .demo-actions select,
.jqx-demo-container .demo-actions input[type="text"],
.jqx-demo-container .demo-actions input[type="number"] {
    min-height: 30px;
    padding: 2px 6px;
    border: 1px solid var(--jqx-border);
    border-radius: 3px;
    background: var(--jqx-background);
    color: var(--jqx-text-color);
    font: inherit;
    font-size: 13px;
}

.jqx-demo-container .hint,
.jqx-demo-container .demo-log,
.jqx-demo-container .demo-counts {
    margin: 10px 0 0;
    font-size: 12px;
    line-height: 1.5;
    color: var(--jqx-text-secondary-color);
    opacity: 1;
}

.jqx-demo-container .demo-log,
.jqx-demo-container .demo-counts {
    font-family: Consolas, "Courier New", monospace;
}

.jqx-demo-container .log {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    color: var(--jqx-text-secondary-color);
    opacity: 1;
}

.jqx-demo-container .log li {
    padding: 2px 0;
}