:root {
  color-scheme: dark;
  --bg: #0b0f12;
  --panel: #151b21;
  --panel-2: #1d252d;
  --text: #eef4f8;
  --muted: #9ba8b4;
  --line: #2d3944;
  --green: #55d98b;
  --blue: #5fb4ff;
  --amber: #ffc85a;
  --red: #ff6978;
  --violet: #b59cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.hero,
.app-install-panel,
.setup-panel,
.connect-panel,
.calibration-panel,
.panel,
.table-panel,
.protocol-panel,
.score-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(34px, 8vw, 64px);
  line-height: 0.96;
}

h2 {
  font-size: 18px;
}

.subhead,
.setup-panel p,
.connect-panel p,
.panel-head p,
small,
.rows span {
  color: var(--muted);
}

.subhead {
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.4;
}

.state-pill,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(85, 217, 139, 0.45);
  background: rgba(85, 217, 139, 0.12);
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.notice {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid rgba(255, 200, 90, 0.36);
  border-radius: 8px;
  background: rgba(255, 200, 90, 0.12);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.setup-panel,
.app-install-panel,
.connect-panel,
.calibration-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: end;
  margin-top: 12px;
  padding: 14px;
}

.workflow-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  align-items: center;
  min-height: 72px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.25;
}

.step strong {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--panel-2);
  color: var(--text);
}

.step.active {
  border-color: rgba(85, 217, 139, 0.45);
}

.setup-panel h2,
.app-install-panel h2,
.connect-panel h2,
.calibration-panel h2 {
  margin-top: 8px;
}

.setup-panel p,
.app-install-panel p,
.connect-panel p,
.calibration-panel p {
  margin-top: 8px;
  line-height: 1.45;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  background: var(--panel-2);
  color: var(--text);
  font-weight: 850;
}

.button.primary {
  border-color: var(--green);
  background: var(--green);
  color: #041207;
}

.socket-row {
  display: grid;
  gap: 6px;
}

.socket-row span,
.sensitivity-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.socket-row input,
.sensitivity-row input {
  width: min(420px, 100%);
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #0f151a;
  color: var(--text);
  font: inherit;
}

.sensitivity-row {
  display: grid;
  gap: 6px;
  align-self: end;
}

.sensitivity-row input {
  padding: 0;
  accent-color: var(--green);
}

.sensitivity-row strong {
  font-size: 13px;
}

.zone-controls {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) auto auto;
  gap: 8px;
  align-items: end;
}

.zone-controls label {
  display: grid;
  gap: 6px;
}

.zone-controls span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.zone-controls select {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #0f151a;
  color: var(--text);
  font: inherit;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.score-card {
  min-height: 142px;
  padding: 14px;
}

.score-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.score-card strong {
  display: block;
  margin-top: 12px;
  font-size: 34px;
  line-height: 1;
}

.score-card small {
  display: block;
  margin-top: 10px;
  line-height: 1.35;
}

.presence-card.present {
  border-color: rgba(85, 217, 139, 0.7);
  background: rgba(85, 217, 139, 0.09);
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(320px, 1.15fr);
  gap: 12px;
  margin-top: 12px;
}

.map-3d-panel {
  grid-column: 1 / -1;
}

.panel,
.table-panel,
.protocol-panel {
  padding: 14px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.panel-head p {
  margin-top: 5px;
  font-size: 13px;
}

.heatmap {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
}

.room-map-shell {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.cell {
  aspect-ratio: 1;
  border-radius: 6px;
  background: rgba(95, 180, 255, 0.14);
  transition: background-color 180ms ease, transform 180ms ease;
}

.cell.hot {
  transform: scale(0.94);
}

.zone-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.zone-marker {
  position: absolute;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  min-width: 70px;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid rgba(181, 156, 255, 0.5);
  border-radius: 999px;
  background: rgba(11, 15, 18, 0.72);
  box-shadow: 0 0 calc(30px * var(--zone-strength)) rgba(181, 156, 255, var(--zone-strength));
  color: var(--text);
  font-size: 12px;
  font-weight: 900;
}

.zone-marker.active {
  border-color: rgba(255, 200, 90, 0.9);
  background: rgba(255, 200, 90, 0.18);
  box-shadow: 0 0 calc(42px * var(--zone-strength)) rgba(255, 200, 90, var(--zone-strength));
}

.zone-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.zone-item,
.empty-zone {
  margin: 0;
  padding: 10px;
  border-radius: 8px;
  background: var(--panel-2);
}

.zone-item strong,
.zone-item span {
  display: block;
}

.zone-item span,
.empty-zone {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

canvas {
  display: block;
  width: 100%;
  height: 240px;
  border-radius: 8px;
  background: #0f151a;
}

.room-3d {
  width: 100%;
  height: min(58vh, 520px);
  min-height: 340px;
  overflow: hidden;
  border-radius: 8px;
  background: #0f151a;
}

.room-3d canvas {
  height: 100%;
}

.legend {
  display: flex;
  gap: 14px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.legend i {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  border-radius: 999px;
}

.move-dot {
  background: var(--blue);
}

.breath-dot {
  background: var(--green);
}

.event-dot {
  background: var(--amber);
}

.rows {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.rows div {
  padding: 12px;
  border-radius: 8px;
  background: var(--panel-2);
}

.rows strong,
.rows span {
  display: block;
}

.rows span {
  margin-top: 6px;
}

.protocol-panel,
.event-panel {
  margin-top: 12px;
}

.event-panel {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.event-log {
  display: grid;
  gap: 8px;
}

.event-row,
.empty-log {
  margin: 0;
  padding: 12px;
  border-radius: 8px;
  background: var(--panel-2);
}

.event-row strong,
.event-row span,
.event-row small {
  display: block;
}

.event-row span,
.event-row small {
  margin-top: 5px;
  color: var(--muted);
}

pre {
  overflow: auto;
  margin: 12px 0 0;
  padding: 12px;
  border-radius: 8px;
  background: #0f151a;
  color: #dbe7ef;
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 820px) {
  .hero,
  .app-install-panel,
  .setup-panel,
  .connect-panel,
  .calibration-panel,
  .main-grid,
  .workflow-panel {
    grid-template-columns: 1fr;
  }

  .score-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rows,
  .zone-list,
  .zone-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .actions .button {
    flex: 1 1 100%;
  }
}

@media (max-width: 460px) {
  .app {
    padding: 12px;
  }

  .score-grid,
  .rows,
  .zone-list,
  .zone-controls {
    grid-template-columns: 1fr;
  }

  .heatmap {
    gap: 4px;
  }

  .room-3d {
    min-height: 320px;
    height: 420px;
  }
}