/* Base reset */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* Fullscreen header + grid layout using CSS Grid, with dense packing :contentReference[oaicite:12]{index=12} */
.header {
  grid-column: 1 / -1;
  background: #2a9d8f;
  color: #fff;
  padding: 1rem;
  text-align: center;
}
.dashboard-grid {
  display: grid;
  grid-template-areas:
    "sidebar map"
    "sidebar chart";
  grid-template-columns: 200px 1fr;
  grid-template-rows: 1fr 300px;
  gap: 1rem;
  height: calc(100vh - 60px);
  padding: 1rem;
  font-family: sans-serif;
}

.sidebar {
  grid-area: sidebar;
  background: #f4f4f4;
  padding: 1rem;
  overflow-y: auto;
  border-radius: 8px;
}
.map-panel { grid-area: map; border-radius: 8px; overflow: hidden; }
.chart-panel { 
  grid-area: chart;
  background: #fff;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.control-group {
  margin-bottom: 1rem;
}
#loading-indicator {
  font-size: 0.9rem;
  color: #555;
}

/* noUiSlider tweaks */
.noUi-origin { background: #264653; }
.noUi-handle { border: 2px solid #264653; }

/* Bike icon for markers */
.bike-icon {
  width: 32px;
  height: 32px;
  background: url('https://cdn-icons-png.flaticon.com/512/684/684908.png') center/contain no-repeat;
  transition: transform 0.2s;
}
.bike-icon:hover { transform: scale(1.3); }