:root {
    --bg: #070b14;
    --panel: rgba(12, 18, 30, 0.78);
    --panel-solid: #111a2b;
    --input: rgba(255, 255, 255, 0.06);
    --text: #e6ebf3; --muted: #94a0b4;
    --border: rgba(255, 255, 255, 0.12);
    --accent: #4c9aff; --danger: #ff6b6b; --ok: #5fd38d;
    --stroke: #0b1220;          /* state outlines */
  }
  * { box-sizing: border-box; }
  html { color-scheme: dark; }
  body {
    margin: 0; min-height: 100vh;
    font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--text);
    background: var(--bg);
  }

  header { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 12px 20px; background: rgba(8, 12, 22, 0.82); border-bottom: 1px solid var(--border); }
  header h1 { font-size: 18px; margin: 0; margin-right: auto; letter-spacing: .2px; }
  label.inline { display: flex; align-items: center; gap: 6px; color: var(--muted); }
  select, input, textarea, button { font: inherit; }
  select, input, textarea { padding: 4px 6px; border: 1px solid var(--border); border-radius: 4px; background: var(--input); color: var(--text); }
  select option { background: var(--panel-solid); color: var(--text); }
  input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
  .legend { display: flex; flex-wrap: wrap; gap: 12px; }
  .legend span { display: inline-flex; align-items: center; gap: 5px; }
  .swatch { width: 14px; height: 14px; border-radius: 3px; display: inline-block; border: 1px solid rgba(255,255,255,.25); vertical-align: -2px; }
  .hint { color: var(--muted); }

  main { display: flex; gap: 16px; padding: 16px; align-items: flex-start; }
  #map-wrap { flex: 1; min-width: 0; background: rgba(8, 12, 22, 0.55); border: 1px solid var(--border); border-radius: 8px; padding: 8px; }
  #map-stack { position: relative; border-radius: 4px; overflow: hidden; background: #02040a; }
  #basemap { display: block; width: 100%; aspect-ratio: 975 / 610; }
  #map { --overlay: 0.55; position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
  #map path.state { fill-opacity: var(--overlay); stroke: rgba(255,255,255,.75); stroke-width: 0.7; cursor: pointer; }
  #map path.state.nocov { fill-opacity: calc(var(--overlay) * 0.35); }
  #map path.state:hover { fill-opacity: calc(var(--overlay) + 0.2); }
  #map path.state.selected { stroke: #fff; stroke-width: 2.2; }
  #map path.borders { fill: none; stroke: rgba(255,255,255,.75); stroke-width: 0.7; pointer-events: none; }
  #map rect.inset { fill: none; stroke: rgba(255,255,255,.35); stroke-width: 1; pointer-events: none; }
  .map-controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; padding: 8px 4px 2px; }
  .map-controls input[type=range] { width: 120px; padding: 0; }
  #map text { font-size: 10px; fill: #fff; pointer-events: none; text-anchor: middle; paint-order: stroke; stroke: rgba(0,0,0,.65); stroke-width: 2px; }

  aside { width: 420px; flex-shrink: 0; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
  aside h2 { margin: 0 0 4px; font-size: 16px; }
  table { width: 100%; border-collapse: collapse; margin: 12px 0; }
  th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; padding: 4px; border-bottom: 1px solid var(--border); }
  td { padding: 4px; vertical-align: top; }
  td input[type=number] { width: 72px; }
  td input.notes { width: 100%; }

  button { padding: 6px 12px; border: 1px solid var(--border); border-radius: 4px; background: var(--input); color: var(--text); cursor: pointer; }
  button:hover { background: rgba(255, 255, 255, 0.12); }
  button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
  button.primary:hover { filter: brightness(1.1); }
  button.icon { padding: 2px 8px; color: var(--danger); }
  .actions { display: flex; gap: 8px; align-items: center; }
  #status { color: var(--muted); margin-left: auto; }
  #status.err { color: var(--danger); }
  #tooltip { position: fixed; pointer-events: none; background: var(--panel-solid); border: 1px solid var(--border); color: var(--text); padding: 6px 10px; border-radius: 4px; font-size: 12px; display: none; max-width: 280px; z-index: 10; box-shadow: 0 4px 16px rgba(0,0,0,.5); }
  @media (max-width: 900px) { main { flex-direction: column; } aside { width: 100%; } }
  a.nav { color: var(--accent); text-decoration: none; font-weight: 500; }
  a.nav:hover { text-decoration: underline; }
  .credit { position: fixed; right: 8px; bottom: 4px; font-size: 11px; color: rgba(255,255,255,.4); }

  /* settings page */
  .page { max-width: 720px; margin: 24px auto; padding: 0 16px; }
  .card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin-bottom: 16px; }
  .card h2 { margin: 0 0 12px; font-size: 16px; }
  .card pre { background: var(--input); padding: 8px; border-radius: 4px; }
  .field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
  .field > span { color: var(--muted); font-size: 12px; font-weight: 600; }
  .row { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
  .row input[type=text] { flex: 1; }
  .row input[type=color] { width: 44px; height: 30px; padding: 2px; }
  .row .move { padding: 2px 8px; color: var(--muted); }
  .login { max-width: 340px; margin: 60px auto; }
  .login input { width: 100%; }
  .msg { margin: 8px 0 0; }
  .msg.err { color: var(--danger); }
  .msg.ok { color: var(--ok); }