/* RDS 2.0 schematic — lab charcoal + teal */
.board-svg-wrap,
.rds-board-host {
  background: #0e1114;
  border-radius: 10px;
  padding: 0.5rem;
}

.board-svg-wrap svg,
.rds-board-host svg {
  width: 100%;
  height: auto;
  display: block;
  font-family: Ubuntu, system-ui, sans-serif;
}

.chassis-bg {
  fill: #12171c;
  stroke: #3a4650;
  stroke-width: 1.5;
}

.landmark {
  fill: #1a2228;
  stroke: #2e3942;
  stroke-width: 1;
}

.landmark-label {
  fill: #5a6a76;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 8px;
  letter-spacing: 0.04em;
}

.face-label {
  fill: #7a8792;
  font-family: Orbitron, ui-sans-serif, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.region {
  transition: opacity 0.25s, filter 0.25s;
}
.region.inactive {
  opacity: 0.42;
  filter: grayscale(0.25);
}
.region.active {
  opacity: 1;
  filter: drop-shadow(0 0 5px rgba(45, 212, 191, 0.35));
}

.region-body {
  fill: #1e282f;
  stroke: #3d4a55;
  stroke-width: 1.3;
}
.region-control .region-body {
  fill: #1a2a28;
  stroke: #2dd4bf;
  stroke-width: 2;
}
.region-hashboard .region-body {
  fill: #1c2329;
  stroke: #4a5864;
}
.region-psu .region-body {
  fill: #252018;
  stroke: #e86a2b;
  stroke-width: 1.6;
}
.region-fan .region-body {
  fill: #1a2228;
  stroke: #3d4a55;
}

.region-connector {
  fill: #2a353e;
  stroke: #4a5864;
  stroke-width: 0.8;
}

.region-heat {
  fill: #3b82f6;
  opacity: 0.18;
  transition: fill 0.3s, opacity 0.3s;
}
.region.active .region-heat {
  opacity: 0.35;
}

.region-label {
  fill: #d6dde3;
  font-family: Orbitron, ui-sans-serif, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.region-caption {
  fill: #9aa7b2;
  font-size: 9px;
}
.region-sub {
  fill: #556069;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 7px;
}

.asic-hint {
  fill: #151a1f;
  stroke: #3a4650;
  stroke-width: 0.8;
}
.fan-hub {
  fill: #2dd4bf;
  opacity: 0.7;
}
.fan-ring {
  stroke: #3d4a55;
  stroke-width: 2;
}
.chain-port {
  fill: #2dd4bf;
  opacity: 0.45;
}

.harness-power {
  stroke: #e86a2b;
  stroke-width: 3;
  stroke-linecap: round;
  opacity: 0.85;
}
.harness-signal {
  stroke: #60a5fa;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 4 3;
  opacity: 0.75;
}
.harness-chain {
  stroke: #2dd4bf;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.8;
}

.rds-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  color: var(--muted, #7a8792);
}
.rds-legend li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.rds-legend .swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.rds-legend .swatch.power {
  background: #e86a2b;
}
.rds-legend .swatch.chain {
  background: #2dd4bf;
}
.rds-legend .swatch.fan {
  background: #60a5fa;
}
.rds-legend .swatch.control {
  background: #1a2a28;
  border-color: #2dd4bf;
}