/* Sensors tab: live UNO board readings. Reuses app.css tokens and layout. */

.sensor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.sensor-card {
  padding: 20px 22px;
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sensor-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.sensor-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 10px 0 6px;
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.sensor-value em {
  font-style: normal;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.sensor-sub {
  font-size: 10px;
  color: var(--muted);
  min-height: 14px;
}

.sensor-card.stale .sensor-value {
  color: var(--muted);
}

.sensor-card.warning .sensor-value {
  color: var(--orange);
}

.sensor-charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.sensor-chart {
  margin-top: 14px;
  min-height: 180px;
}

.sensor-chart svg {
  display: block;
  width: 100%;
  height: 180px;
  overflow: visible;
}

.sensor-chart .grid-line {
  stroke: var(--line);
  stroke-width: 1;
}

.sensor-chart .axis-label {
  fill: var(--muted);
  font-size: 9px;
}

.sensor-chart .series-air {
  fill: none;
  stroke: var(--green);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.sensor-chart .series-soil {
  fill: none;
  stroke: var(--orange);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.sensor-chart .chart-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 180px;
  color: var(--muted);
  font-size: 11px;
}

.sensor-legend {
  display: flex;
  gap: 18px;
  margin-top: 10px;
  font-size: 10px;
  color: var(--muted);
}

.sensor-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sensor-legend i {
  width: 14px;
  height: 2px;
  border-radius: 2px;
  display: inline-block;
}

.legend-air {
  background: var(--green);
}

.legend-soil {
  background: var(--orange);
}

.sensor-raw {
  margin-bottom: 16px;
}

.sensor-raw table {
  margin-top: 14px;
}

.sensor-raw td,
.sensor-raw th {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.sensor-raw tr:last-child td {
  border-bottom: 0;
}

.sensor-raw td:first-child {
  color: var(--muted);
}

@media (max-width: 1100px) {
  .sensor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .sensor-grid,
  .sensor-charts {
    grid-template-columns: 1fr;
  }
  .sensor-value {
    font-size: 30px;
  }
}