:root {
  --bg: #0b132b;
  --fg: #ffffff;
  --panel: #1c2541;
  --muted: #b8c1ec;
  --accent: #0a9396;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
.app-header, .app-footer {
  padding: 12px 16px;
  background: #0f1c3d;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.app-footer { border-top: 1px solid rgba(255,255,255,0.08); border-bottom: none; }
.layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 0;
  min-height: calc(100vh - 140px);
}
.layout__map { position: relative; }
#map { position: absolute; inset: 0; }
.layout__panel {
  border-left: 1px solid rgba(255,255,255,0.08);
  background: var(--panel);
  padding: 12px;
  overflow: auto;
}
.panel__placeholder { color: var(--muted); }
.config-row { display: flex; gap: 8px; align-items: center; margin: 6px 0; }
.config-row input {
  flex: 1;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.15);
  background: #0f1c3d;
  color: var(--fg);
}
.config-row button {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.2);
  background: var(--accent);
  color: #001219;
  cursor: pointer;
}
details { margin: 8px 0; }
section.panel-card {
  background: #101b39;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 10px;
  margin: 8px 0;
}
section.panel-card h2 {
  margin: 0 0 8px 0;
  font-size: 16px;
}
ul { padding-left: 18px; }
ul li { margin-bottom: 4px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 4px 8px; }
.kv div.label { color: var(--muted); }
.kv div.value { color: var(--fg); }