:root {
  --bg: #15181d;
  --panel: #1e232b;
  --panel2: #262c36;
  --text: #d7dce2;
  --muted: #8b949e;
  --accent: #ffd866;
  --good: #5cb85c;
  --bad: #e06666;
  --border: #333a45;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 "Segoe UI", system-ui, sans-serif;
}

#hud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding: 8px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; letter-spacing: 1px; color: var(--accent); }
.brand small { color: var(--muted); font-weight: 400; letter-spacing: 0; margin-left: 6px; }
.stats { display: flex; gap: 16px; flex-wrap: wrap; }
.stats b { color: #fff; }
.stats .bad { color: var(--bad); }
.controls { margin-left: auto; display: flex; gap: 8px; }

button {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.45; cursor: default; }
button.primary { background: #2d5a2d; border-color: #3c7a3c; }
button.active { outline: 2px solid var(--accent); }

main { display: flex; gap: 12px; padding: 12px; align-items: flex-start; }

#map-wrap { position: relative; }
#map {
  border: 1px solid var(--border);
  border-radius: 6px;
  image-rendering: pixelated;
  max-width: 100%;
}
#survey-cost { color: var(--accent); min-height: 20px; font-size: 13px; }
#legend { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 12px; margin-top: 4px; }
#legend .lg { display: inline-block; width: 11px; height: 11px; margin-right: 4px; border-radius: 50%; vertical-align: -1px; }
.lg.lead { border: 2px dashed #d9a441; }
.lg.prospect { border: 2px solid #d9a441; }
.lg.disc-oil { background: #27ae60; }
.lg.disc-gas { background: #c0392b; }
.lg.dry { background: transparent; color: #aa5555; border: 2px solid #aa5555; border-radius: 0; }
.lg.koil { background: rgba(40,120,40,0.8); border-radius: 2px; }
.lg.kgas { background: rgba(150,40,40,0.8); border-radius: 2px; }

#sidebar {
  flex: 1;
  min-width: 320px;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#sidebar h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin: 10px 0 4px;
  border-bottom: 1px solid var(--border);
}

.hint { color: var(--muted); font-size: 13px; }

.asset-row {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  background: transparent;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  width: 100%;
}
.asset-row:hover, .asset-row.selected { background: var(--panel2); }
.a-name { font-weight: 600; min-width: 70px; }
.a-stage { font-size: 12px; color: var(--muted); min-width: 130px; }
.a-stage.s-discovery, .a-stage.s-producing { color: var(--good); }
.a-stage.s-dry { color: var(--bad); }
.a-size { font-size: 12px; color: var(--muted); margin-left: auto; }

#survey-controls { display: flex; flex-wrap: wrap; gap: 6px; align-items: end; }
#survey-controls label { display: grid; gap: 2px; color: var(--muted); font-size: 12px; }
#survey-controls input { width: 64px; }

#detail h3 { margin: 4px 0; }
#detail h3 small { color: var(--muted); font-weight: 400; }
table.kv { width: 100%; border-collapse: collapse; font-size: 13px; }
table.kv td { padding: 2px 4px; vertical-align: top; }
table.kv td:first-child { color: var(--muted); width: 48%; }
table.kv td.sub { padding-left: 16px; }
td.good { color: var(--good); }
.actions { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.history { font-size: 12px; color: var(--muted); }

.play-row { display: flex; gap: 8px; margin: 6px 0; font-size: 13px; }
.swatch { width: 12px; height: 12px; border-radius: 3px; margin-top: 4px; flex-shrink: 0; }

.deal { background: var(--panel2); border: 1px solid var(--accent); border-radius: 6px; padding: 8px; font-size: 13px; }
.deal button { margin-top: 6px; }

#log {
  font-size: 12px;
  color: var(--muted);
  max-height: 220px;
  overflow-y: auto;
  background: var(--panel);
  border-radius: 6px;
  padding: 6px 8px;
}
#log div { padding: 1px 0; border-bottom: 1px dotted #262c36; }

#toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: #402626;
  border: 1px solid var(--bad);
  color: #fff;
  padding: 8px 16px;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  z-index: 50;
}
#toast.show { opacity: 1; }

#help {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 40;
}
#help.open { display: block; }
.help-inner {
  max-width: 720px;
  margin: 6vh auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 24px;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
}
#help-close { position: absolute; top: 10px; right: 10px; }
.help-inner li { margin: 8px 0; }

@media (max-width: 1100px) {
  main { flex-direction: column; }
  #sidebar { max-width: none; }
}