:root {
  --bg-base: #111;
  --bg-raised: #0d0d0d;
  --bg-field: #0a160a;
  --border-subtle: #1a1a1a;
  --border-field: #166534;
  --text-primary: #ffffff;
  --text-secondary: #6b7280;
  --text-muted: #374151;
  --accent: #4ade80;
  --accent-dim: #166534;
  --accent-bg: #052e16;
  --amber: #f59e0b;
  --red: #7f1d1d;
  --font: -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; overflow: hidden; background: var(--bg-base); color: var(--text-primary); font-family: var(--font); }

#app { display: flex; height: 100vh; }

#sidebar {
  width: 64px;
  min-width: 64px;
  background: var(--bg-raised);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  border-right: 1px solid var(--border-subtle);
  gap: 4px;
}

#field-pill {
  background: #1a2a1a;
  border: 1px solid var(--border-field);
  border-radius: 8px;
  padding: 6px 4px;
  font-size: 10px;
  text-align: center;
  cursor: pointer;
  width: 52px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--accent);
  margin-bottom: 8px;
}

#sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.nav-btn {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 20px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-btn.active {
  background: #1a2a1a;
  color: var(--accent);
}

#gps-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: auto;
  padding-bottom: 8px;
  gap: 2px;
}

#gps-label { font-weight: bold; letter-spacing: 0.05em; }
#gps-accuracy { font-size: 9px; }
#gps-status.green #gps-label { color: var(--accent); }
#gps-status.amber #gps-label { color: var(--amber); }
#gps-status.red #gps-label { color: #ef4444; }

#panel-area { flex: 1; position: relative; overflow: hidden; }

.panel { display: none; width: 100%; height: 100%; flex-direction: column; background: var(--bg-base); }
.panel.active { display: flex; }

/* NAV panel */
#lightbar-container {
  padding: 16px;
  padding-bottom: 8px;
}

#lightbar-canvas {
  width: 100%;
  height: 22px;
  border-radius: 8px;
  display: block;
}

#crosstrack-readout {
  font-size: 48px;
  font-weight: bold;
  text-align: center;
  padding: 16px;
  color: var(--text-primary);
}

#crosstrack-readout.on-row { color: var(--accent); }

#distance-readout {
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
  padding-bottom: 16px;
}

#nav-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

#map-inset { width: 120px; height: 80px; border-radius: 8px; overflow: hidden; background: var(--bg-raised); }

/* CAL panel */
#stake-buttons {
  display: flex;
  gap: 12px;
  padding: 24px;
}

.stake-btn {
  flex: 1;
  height: 120px;
  background: var(--bg-raised);
  border: 2px dashed var(--border-subtle);
  color: var(--text-muted);
  font-size: 18px;
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
  min-height: 44px;
}

.stake-btn.calibrated {
  background: var(--accent-bg);
  border: 2px solid var(--border-field);
  color: var(--text-primary);
}

#cal-status {
  text-align: center;
  padding: 8px 24px;
  font-size: 14px;
  color: var(--text-secondary);
}

#cal-status.warning { color: var(--amber); }

#recalibrate-btn {
  margin: 16px 24px;
  padding: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  min-height: 44px;
}

/* ROWS panel */
#panel-rows { flex-direction: row !important; }

#rows-map { flex: 3; }

#rows-controls {
  flex: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border-left: 1px solid var(--border-subtle);
  overflow-y: auto;
}

#rows-controls button {
  padding: 12px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-raised);
  color: var(--text-primary);
  min-height: 44px;
}

#record-a-btn.set { background: var(--accent-bg); border-color: var(--border-field); color: var(--accent); }
#record-b-btn.set { background: #1a1a2e; border-color: #3730a3; color: #818cf8; }
#generate-rows-btn { background: var(--accent-dim); border-color: var(--border-field); }

#rows-controls label { font-size: 13px; color: var(--text-secondary); display: flex; flex-direction: column; gap: 4px; }
#rows-controls input[type="number"] {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px;
  border-radius: 8px;
  font-size: 15px;
}

#row-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.row-chip {
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.row-chip.active { background: var(--accent-bg); border-color: var(--border-field); color: var(--accent); }

#save-field-btn { margin-top: auto; }

/* SETTINGS panel */
#panel-settings { padding: 24px; gap: 24px; overflow-y: auto; }
#panel-settings h3 { font-size: 13px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
#panel-settings section { border: 1px solid var(--border-subtle); border-radius: 8px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
#panel-settings button {
  padding: 12px;
  border-radius: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 14px;
  min-height: 44px;
  text-align: left;
}
#panel-settings input[type="text"], #panel-settings input[type="number"] {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px;
  border-radius: 8px;
  font-size: 14px;
}
#hw-status { font-size: 13px; color: var(--text-secondary); }
#panel-settings label { font-size: 13px; color: var(--text-secondary); display: flex; flex-direction: column; gap: 4px; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.hidden { display: none; }

.modal-content {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px;
  width: 360px;
  max-height: 70vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-item {
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
}

.field-item.active { border-color: var(--border-field); background: var(--accent-bg); }
.field-item-name { font-size: 15px; }
.field-item-meta { font-size: 11px; color: var(--text-secondary); }

#new-field-btn {
  padding: 12px;
  border-radius: 8px;
  background: transparent;
  border: 1px dashed var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  min-height: 44px;
}

/* Leaflet overrides */
.leaflet-container { background: #1a1a1a; }