/* PUBG TOPO — Tactical Command chrome.
   Dark is default; light mode is the same design in light chrome via
   CSS variables. The map sheets themselves never change. */
:root, [data-theme="dark"] {
  --bg: #0b0e0c;
  --bg2: #11150f;
  --panel: rgba(13, 16, 13, 0.92);
  --line: #2c332a;
  --text: #d8dcc9;
  --muted: #8b927d;
  --accent: #c8b06a;
  --accent-dim: #6d6238;
  --btn-active: #232a1e;
  --map-bg: #060807;
}
[data-theme="light"] {
  --bg: #e9e7dc;
  --bg2: #f2f0e6;
  --panel: rgba(244, 242, 233, 0.94);
  --line: #c4c0ab;
  --text: #23261c;
  --muted: #6d7260;
  --accent: #7a6420;
  --accent-dim: #a68f3f;
  --btn-active: #dcd8c2;
  --map-bg: #dfe3da;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--text);
  display: flex; flex-direction: column; overflow: hidden;
}
/* ---- header ---- */
#topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 8px 14px; background: var(--bg2);
  border-bottom: 1px solid var(--line); z-index: 1200; flex: 0 0 auto;
}
.brand { display: flex; flex-direction: column; line-height: 1.05; }
.brand-mark {
  font-weight: 800; letter-spacing: 0.22em; font-size: 19px;
  color: var(--text);
}
.brand-mark::before {
  content: ""; display: inline-block; width: 10px; height: 10px;
  margin-right: 9px; background: var(--accent);
  clip-path: polygon(0 100%, 45% 30%, 65% 55%, 100% 0, 100% 100%);
}
.brand-sub { font-size: 9.5px; letter-spacing: 0.28em; color: var(--muted); margin-top: 3px; }
#mapswitch { display: flex; gap: 6px; margin-left: 12px; flex-wrap: wrap; }
#mapswitch button, #theme-toggle {
  font: inherit; font-size: 12px; letter-spacing: 0.14em;
  background: transparent; color: var(--muted);
  border: 1px solid var(--line); padding: 7px 12px; cursor: pointer;
  text-transform: uppercase;
}
#mapswitch button:hover, #theme-toggle:hover { color: var(--text); border-color: var(--accent-dim); }
#mapswitch button.active { background: var(--btn-active); color: var(--accent); border-color: var(--accent-dim); }
#theme-toggle { margin-left: auto; color: var(--text); }
/* ---- stage: everything below the header lives in here, so panel /
   readout / scale bar anchor to the map area, not the viewport — the
   header can wrap at narrow widths without overlapping them ---- */
#stage { position: relative; flex: 1 1 auto; }
/* ---- layer panel ---- */
#panel {
  position: absolute; top: 12px; left: 12px; z-index: 1100;
  width: 248px; background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(3px);
}
#panel-collapse {
  display: none; width: 100%; font: inherit; font-size: 12px;
  letter-spacing: 0.2em; background: transparent; color: var(--accent);
  border: none; padding: 9px; cursor: pointer; text-align: left;
}
#panel-body { padding: 12px 14px 6px; }
#panel section { border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 10px; }
#panel section:last-child { border-bottom: none; }
#panel h2 {
  font-size: 10.5px; letter-spacing: 0.3em; color: var(--accent);
  margin: 0 0 8px; font-weight: 700;
}
.row { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 3px 0; cursor: pointer; }
.row input { accent-color: var(--accent); }
.row.disabled { opacity: 0.45; cursor: default; }
.slider-row { justify-content: space-between; }
.slider-row input[type="range"] { width: 118px; accent-color: var(--accent); }
.note { font-size: 11.5px; color: var(--muted); line-height: 1.45; margin: 6px 0 2px; }
#export-btn {
  width: 100%; font: inherit; font-size: 12px; letter-spacing: 0.12em;
  background: var(--btn-active); color: var(--accent);
  border: 1px solid var(--accent-dim); padding: 9px 6px; cursor: pointer;
}
#export-btn:hover { border-color: var(--accent); }
#export-btn[disabled] { opacity: 0.55; cursor: wait; }
/* ---- map ---- */
#map { position: absolute; inset: 0; background: var(--map-bg); }
.leaflet-container { background: var(--map-bg); font: inherit; }
.leaflet-bar a {
  background: var(--bg2); color: var(--text); border-color: var(--line);
}
.leaflet-bar a:hover { background: var(--btn-active); }
.leaflet-control-attribution {
  background: rgba(0,0,0,0.35) !important; color: #9aa48d !important;
  font-size: 9px !important;
}
.leaflet-control-attribution a { color: #9aa48d !important; }
/* ---- readout + scale ---- */
#readout {
  position: absolute; left: 12px; bottom: 12px; z-index: 1100;
  background: var(--panel); border: 1px solid var(--line);
  padding: 6px 10px; font-size: 12px; letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums; color: var(--text);
  pointer-events: none; min-width: 210px; text-align: center;
}
#readout b { color: var(--accent); }
#scalebar {
  position: absolute; right: 14px; bottom: 12px; z-index: 1100;
  text-align: center; color: var(--text); pointer-events: none;
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}
#scalebar-line {
  height: 5px; border: 1.5px solid currentColor; border-top: none;
  margin: 0 auto 2px; width: 100px;
}
#scalebar-label { font-size: 11px; letter-spacing: 0.1em; }
/* ---- footer ---- */
#footer {
  flex: 0 0 auto; display: flex; justify-content: space-between; gap: 16px;
  padding: 5px 14px; background: var(--bg2); border-top: 1px solid var(--line);
  font-size: 10.5px; color: var(--muted); z-index: 1200;
}
#footer a { color: var(--accent); text-decoration: none; white-space: nowrap; }
#footer a:hover { text-decoration: underline; }
@media (max-width: 760px) {
  .brand-sub { display: none; }
  #panel { width: 212px; top: 10px; }
  #panel-collapse { display: block; }
  #panel.collapsed #panel-body { display: none; }
  #readout { bottom: 12px; min-width: 0; }
  #footer span { display: none; }
}
.gridstyle { display: flex; align-items: center; gap: 8px; margin: 1px 0 5px 26px; }
.gridstyle input[type="color"] { width: 26px; height: 18px; padding: 0; border: 1px solid var(--muted); background: none; cursor: pointer; flex: none; }
.gridstyle input[type="range"] { flex: 1; accent-color: var(--accent); }