* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; background: #1a2430; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #e8eef4; user-select: none; touch-action: none;
}
#stage { position: fixed; inset: 0; }
#game { width: 100%; height: 100%; display: block; cursor: crosshair; }

#topbar {
  position: fixed; top: 0; left: 0; right: 160px; height: 40px; z-index: 20;
  display: flex; align-items: center; gap: 14px; padding: 0 12px;
  background: linear-gradient(180deg, rgba(12,18,24,.92), rgba(12,18,24,.55));
  border-bottom: 1px solid #2a3a48; font-size: 13px;
}
.funds { color: #ffd257; font-weight: 800; font-variant-numeric: tabular-nums; }
.speeds { margin-left: auto; display: flex; gap: 4px; }
.spd {
  background: #243040; border: 1px solid #3a4a5a; color: #9ab; padding: 4px 10px; cursor: pointer;
}
.spd.on { background: #3a6a4a; color: #fff; border-color: #5a9a6a; }

#demand {
  position: fixed; top: 48px; left: 10px; z-index: 20;
  background: rgba(10,14,18,.82); border: 1px solid #2a3a48; padding: 8px 10px; width: 130px;
}
.dbar { display: flex; align-items: center; gap: 6px; margin: 4px 0; font-size: 12px; font-weight: 700; }
.dbar span { width: 12px; color: #9ab; }
.dbar i {
  display: block; height: 10px; background: #3a9a4a; border-radius: 2px; width: 50%;
  transition: width .3s;
}
#dem-c { background: #3a6aaa; }
#dem-i { background: #aa8a2a; }

#toolbar {
  position: fixed; left: 0; bottom: 0; right: 160px; z-index: 20;
  background: rgba(10,14,18,.92); border-top: 1px solid #2a3a48;
  padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; max-height: 42vh;
}
#cats { display: flex; flex-wrap: wrap; gap: 4px; }
.cat {
  padding: 6px 10px; font-size: 12px; background: #1e2a36; border: 1px solid #334455;
  color: #9ab; cursor: pointer;
}
.cat.on { background: #2a4a5a; color: #fff; border-color: #5a8aaa; }
#tools {
  display: flex; flex-wrap: wrap; gap: 4px; overflow-y: auto; max-height: 120px;
}
.tool {
  padding: 6px 8px; font-size: 11.5px; background: #182028; border: 1px solid #2a3a48;
  color: #cde; cursor: pointer; display: flex; flex-direction: column; min-width: 72px;
}
.tool.on { border-color: #7dffb0; box-shadow: inset 0 0 0 1px #7dffb0; }
.tool .price { color: #ffd257; font-size: 10px; }
#tool-info { font-size: 11px; color: #7a8a9a; min-height: 16px; }

#side {
  position: fixed; top: 0; right: 0; bottom: 0; width: 156px; z-index: 25;
  background: #121a22; border-left: 2px solid #2a3a48;
  padding: 8px; display: flex; flex-direction: column; gap: 8px;
}
#minimap { width: 100%; aspect-ratio: 1; background: #0a1016; border: 1px solid #2a3a48; cursor: pointer; image-rendering: pixelated; }
.tax { font-size: 11px; color: #9ab; display: flex; flex-direction: column; gap: 2px; }
.tax input { width: 100%; }
.tax b { color: #ffd257; }
.chk { font-size: 12px; color: #9ab; display: flex; gap: 6px; align-items: center; }
.btn {
  padding: 8px 14px; font-size: 13px; font-weight: 700; background: #2a3a4a; color: #e8eef4;
  border: 1px solid #4a5a6a; cursor: pointer; text-decoration: none; display: inline-block; font-family: inherit;
}
.btn:hover { border-color: #7a9aaa; }
.btn.primary { background: #2a7a5a; border-color: #4aaa7a; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 8px; font-size: 12px; width: 100%; text-align: center; }

#msglog {
  position: fixed; left: 10px; bottom: 160px; z-index: 20; pointer-events: none;
  display: flex; flex-direction: column; gap: 3px; font-size: 12.5px; text-shadow: 0 1px 2px #000;
}
#msglog .m { color: #b8c8d0; animation: fade 5s forwards; }
#msglog .m.alarm { color: #ff8a6a; font-weight: 700; }
@keyframes fade {
  0% { opacity: 0; } 8% { opacity: 1; } 80% { opacity: 1; } 100% { opacity: 0; }
}

.overlay[hidden] { display: none; }
.overlay {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center;
  background: radial-gradient(ellipse at center, rgba(20,40,60,.85), rgba(6,10,14,.96));
  overflow-y: auto; padding: 20px;
}
.panel {
  width: min(560px, 94vw); background: #121a22; border: 1px solid #3a5a6a;
  border-top: 3px solid #3a9a6a; padding: 24px 28px;
}
.logo {
  font-size: clamp(26px, 5vw, 36px); font-weight: 900; letter-spacing: .06em;
  background: linear-gradient(90deg, #7dffb0, #5aa0ff); -webkit-background-clip: text;
  background-clip: text; color: transparent;
}
.sub { color: #7a9aaa; font-size: 13px; letter-spacing: .08em; margin: 4px 0 12px; }
.intro { font-size: 13.5px; line-height: 1.85; color: #a8b8c4; margin-bottom: 14px; }
.field { margin: 10px 0; }
.field label { display: block; font-size: 12px; color: #7a9aaa; margin-bottom: 6px; }
.picks { display: flex; flex-wrap: wrap; gap: 6px; }
.pick {
  padding: 8px 12px; background: #1a2430; border: 1px solid #2a3a48; color: #cde;
  cursor: pointer; font-size: 12.5px; text-align: left;
}
.pick.on { border-color: #3a9a6a; background: #1a3028; }
.pick b { display: block; color: #e8eef4; }
.pick span { font-size: 11px; color: #7a9aaa; }
.menu-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.help-body { font-size: 13.5px; line-height: 1.9; color: #a8b8c4; }
.help-body p { margin-bottom: 8px; }
.help-body b { color: #ffd257; }
.board { margin: 8px 0; max-height: 160px; overflow-y: auto; }
.board-row { display: flex; gap: 8px; padding: 4px 6px; font-size: 12px; border-bottom: 1px solid #1a2830; }
.board-rank { color: #3a9a6a; font-weight: 800; width: 28px; }
.board-score { margin-left: auto; color: #ffd257; font-weight: 700; }
.board-empty { color: #5a6a7a; font-size: 12px; padding: 8px; }
.submit-row { display: flex; gap: 8px; margin: 10px 0 4px; }
#player-name {
  flex: 1; padding: 10px; background: #1a2430; border: 1px solid #2a3a48; color: #e8eef4; font-family: inherit;
}
#submit-status { font-size: 12px; color: #7a9aaa; min-height: 18px; }

@media (max-width: 720px) {
  #side { width: 120px; }
  #topbar, #toolbar { right: 120px; }
  #tools { max-height: 80px; }
}