* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #e2e8f0;
  background: #0f172a;
}

#app {
  display: grid;
  grid-template-columns: 340px 1fr;
  height: 100vh;
}

#sidebar {
  background: #0f172a;
  border-right: 1px solid #1e293b;
  overflow-y: auto;
  padding: 18px 18px 28px;
}

#sidebar header h1 {
  font-size: 18px;
  margin: 0 0 2px;
  letter-spacing: .2px;
}

#sidebar header .subtitle {
  margin: 0 0 16px;
  font-size: 12px;
  color: #94a3b8;
}

.panel {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 14px;
}

.panel h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: #94a3b8;
  margin: 0 0 10px;
  font-weight: 600;
}

label {
  display: block;
  font-size: 12px;
  color: #cbd5e1;
  margin: 10px 0 4px;
}

select, input[type="text"], input[type="range"] {
  width: 100%;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 6px;
  color: #e2e8f0;
  padding: 6px 8px;
  font-size: 13px;
}

input[type="range"] { padding: 0; }

.row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

button {
  flex: 1;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #1e293b;
  color: #e2e8f0;
  font-size: 13px;
  cursor: pointer;
}

button:hover { background: #334155; }

button.primary {
  background: #2563eb;
  border-color: #2563eb;
}

button.primary:hover { background: #1d4ed8; }

.hint {
  font-size: 11px;
  color: #64748b;
  margin: 8px 0 0;
}

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

.chip {
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #cbd5e1;
  cursor: pointer;
}

.chip:hover { background: #1e293b; }
.chip.active { background: #2563eb; border-color: #2563eb; color: #fff; }

#info-content {
  margin: 0;
  font-size: 12px;
}

#info-content dt {
  color: #64748b;
  margin-top: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

#info-content dd {
  margin: 0;
  color: #e2e8f0;
  word-break: break-word;
}

footer .hint a { color: #60a5fa; }

#cesiumContainer {
  position: relative;
  width: 100%;
  height: 100%;
}

.cesium-viewer-bottom { display: none; }