:root {
  --bg: #eef2f0;
  --ink: #15231c;
  --brand: #0b3d2e;
  --ok: #1f7a4c;
  --warn: #b86b00;
  --bad: #a33b2c;
  --panel: #fff;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 0% 0%, #d8e8df, transparent 40%),
    radial-gradient(circle at 100% 0%, #f0dccb, transparent 35%),
    var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 1rem 1.25rem 2rem;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1rem;
}

h1 {
  margin: 0;
  color: var(--brand);
  font-size: 1.5rem;
}

.sub {
  margin: 0.25rem 0 0;
  color: #55665c;
  font-size: 0.9rem;
}

.panel {
  background: var(--panel);
  border: 1px solid #d4dfd8;
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.85rem;
}

.config {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.occupancy-label {
  min-width: 280px;
}

.occupancy-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.occupancy-row input[type="range"] {
  flex: 1;
  min-width: 120px;
}

.occupancy-row input[type="number"] {
  width: 4.2rem;
  padding: 0.35rem 0.4rem;
  border: 1px solid #c5d2cb;
  border-radius: 8px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  flex: 1;
  min-width: 240px;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  padding: 0.45rem 0.55rem;
  border: 1px solid #c5d2cb;
  border-radius: 8px;
}

button {
  padding: 0.5rem 0.8rem;
  border: 0;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button.danger {
  background: var(--bad);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hint,
.muted {
  color: #5a6b61;
  font-size: 0.85rem;
}

.counts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: #e6efe9;
}

.layout {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 1fr;
  gap: 0.85rem;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.filters select {
  flex: 1 1 140px;
}

.block-summary {
  margin: 0 0 0.65rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  background: #f3f8f5;
  border: 1px solid #dce8e1;
  font-size: 0.82rem;
}

.block-summary p {
  margin: 0.15rem 0;
}

.api-line {
  color: #1a5f8a;
}

.drift-warn {
  color: var(--bad);
  font-weight: 600;
}

.sync-note {
  color: var(--ok);
  font-size: 0.78rem;
}

.sensor-list {
  max-height: 420px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sensor-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.6fr;
  gap: 0.4rem;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  border: 1px solid #e0e8e3;
  cursor: pointer;
  font-size: 0.85rem;
}

.sensor-row.accessible {
  border-left: 3px solid #1a7fbf;
  background: #f4f9fc;
}

.sensor-id {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.pmr-badge {
  display: inline-block;
  padding: 0.08rem 0.35rem;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: #1a7fbf;
  vertical-align: middle;
}

.sensor-row:hover,
.sensor-row.active {
  border-color: var(--brand);
  background: #f3f8f5;
}

.status-FREE {
  color: var(--ok);
}
.status-OCCUPIED {
  color: var(--warn);
}
.status-UNKNOWN,
.status-MAINTENANCE {
  color: var(--bad);
}

.detail select {
  width: 100%;
  margin: 0.4rem 0 0.7rem;
}

#eventLog {
  margin: 0;
  max-height: 420px;
  overflow: auto;
  font-size: 0.72rem;
  white-space: pre-wrap;
  background: #f7faf8;
  padding: 0.5rem;
  border-radius: 8px;
}