/* === Tiberium Skirmish === */
:root{
  --bg:#0a0d0c;
  --bg2:#101614;
  --bg3:#161d1a;
  --line:#1d2622;
  --line2:#2a3530;
  --ink:#d6e4d8;
  --ink-dim:#8a9a8c;
  --ink-faint:#4a5751;
  --green:#3fff7a;
  --green-soft:#5cffaa;
  --green-dim:#1a4d2a;
  --gdi:#d4b878;       /* tan */
  --gdi-dark:#8a7644;
  --nod:#cc3333;       /* red */
  --nod-dark:#7a1f1f;
  --tiberium:#7aff5a;  /* bright green */
  --water:#3a78c2;
  --rock:#4a4f48;
  --dirt:#7a6a3f;
  --grass:#3d4a2e;
  --amber:#ffb547;
  --red:#ff5b5b;
  --shadow:rgba(0,0,0,.55);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{
  width:100%;height:100%;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Helvetica Neue",sans-serif;
  overflow:hidden;
  user-select:none;
  -webkit-user-select:none;
  -webkit-touch-callout:none;
  -webkit-tap-highlight-color:transparent;
  touch-action:none;
  overscroll-behavior:none;
}
.hidden{display:none !important}

/* Loading */
#loading{
  position:fixed;inset:0;
  background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  z-index:1000;
}
#loading.hidden{display:none}
.loading-inner{text-align:center;width:min(420px,80vw)}
.loading-bar{
  height:6px;border-radius:3px;
  background:var(--bg3);
  border:1px solid var(--line2);
  overflow:hidden;
}
.loading-fill{
  height:100%;
  background:linear-gradient(90deg, var(--green), var(--green-soft));
  width:0;
  animation:loading 1.2s ease-in-out forwards;
}
@keyframes loading{0%{width:0}100%{width:100%}}
.loading-text{
  margin-top:16px;
  font-family:'Courier New',ui-monospace,monospace;
  font-size:12px;
  color:var(--ink-dim);
  letter-spacing:2px;
}

/* Game shell */
#game-shell{
  position:fixed;inset:0;
  display:flex;flex-direction:column;
  background:var(--bg);
}

/* Topbar */
#topbar{
  display:flex;align-items:center;gap:18px;
  padding:8px 16px;
  background:rgba(10,13,12,.85);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
  z-index:10;
  flex-shrink:0;
}
.res{
  display:flex;align-items:center;gap:6px;
  font-family:'Courier New',ui-monospace,monospace;
  font-size:14px;font-weight:700;
  color:var(--green);
  padding:4px 10px;
  background:rgba(63,255,122,.06);
  border:1px solid var(--green-line,rgba(63,255,122,.22));
  border-radius:4px;
}
.res .icon{font-size:14px;color:var(--green-soft)}
.res.dim{color:var(--ink-dim);background:transparent;border-color:var(--line)}
#res-power{color:var(--amber);background:rgba(255,181,71,.06);border-color:rgba(255,181,71,.3)}
#res-power .icon{color:var(--amber)}
#res-tiberium{color:var(--tiberium);background:rgba(122,255,90,.06);border-color:rgba(122,255,90,.3)}
#res-tiberium .icon{color:var(--tiberium)}
.spacer{flex:1}

/* Viewport */
#viewport-wrap{
  flex:1;position:relative;overflow:hidden;
  background:#000;
}
#canvas{
  display:block;
  width:100%;height:100%;
  cursor:crosshair;
  image-rendering:pixelated;
  image-rendering:crisp-edges;
}
#select-box{
  position:absolute;
  border:1px solid var(--green);
  background:rgba(63,255,122,.12);
  pointer-events:none;
  z-index:5;
}

/* Selection info floating panel */
#sel-info{
  position:absolute;top:10px;right:10px;
  background:rgba(10,13,12,.88);
  border:1px solid var(--line2);
  border-radius:6px;
  padding:10px 12px;
  font-family:'Courier New',monospace;
  font-size:12px;
  color:var(--ink-dim);
  pointer-events:none;
  z-index:6;
  max-width:220px;
  backdrop-filter:blur(4px);
}
#sel-info .row{display:flex;justify-content:space-between;gap:12px;padding:1px 0}
#sel-info .row .k{color:var(--ink-faint)}
#sel-info .row .v{color:var(--ink)}
#sel-info .title{
  color:var(--green);
  font-weight:bold;
  font-size:13px;
  margin-bottom:6px;
  padding-bottom:4px;
  border-bottom:1px solid var(--line);
}
#sel-info .hpbar{
  height:4px;background:var(--bg3);
  border-radius:2px;overflow:hidden;margin-top:3px;
}
#sel-info .hpfill{height:100%;background:var(--green);transition:width .2s}
#sel-info .hpfill.low{background:var(--amber)}
#sel-info .hpfill.critical{background:var(--red)}

#hover-tip{
  position:absolute;
  background:rgba(10,13,12,.85);
  border:1px solid var(--green);
  color:var(--green);
  font-family:'Courier New',monospace;
  font-size:11px;
  padding:3px 6px;border-radius:3px;
  pointer-events:none;z-index:7;
}

/* FX layer for damage numbers, etc */
#fx-layer{
  position:absolute;inset:0;
  pointer-events:none;overflow:hidden;
  z-index:4;
}
.fx-text{
  position:absolute;
  font-family:'Courier New',monospace;
  font-weight:bold;
  font-size:13px;
  color:#ffd64a;
  text-shadow:1px 1px 2px #000;
  pointer-events:none;
  animation:fx-rise .9s ease-out forwards;
}
.fx-text.damage{color:#ff6b6b}
.fx-text.heal{color:#5cffaa}
.fx-text.build{color:#7aff5a}
@keyframes fx-rise{
  0%{opacity:1;transform:translateY(0) scale(.8)}
  100%{opacity:0;transform:translateY(-30px) scale(1.2)}
}

/* Command bar (bottom) */
#commandbar{
  display:flex;align-items:center;gap:12px;
  padding:8px 12px;
  background:rgba(10,13,12,.92);
  border-top:1px solid var(--line);
  backdrop-filter:blur(8px);
  min-height:62px;
  z-index:10;
  flex-shrink:0;
}
#cmd-info{flex:0 0 200px;font-family:'Courier New',monospace;font-size:12px;color:var(--ink-dim)}
#cmd-info .cmd-name{color:var(--green);font-size:13px;font-weight:bold}
#cmd-info .cmd-meta{color:var(--ink-faint);font-size:11px;margin-top:2px}
#cmd-actions{
  flex:1;
  display:flex;gap:6px;flex-wrap:wrap;
  align-items:center;justify-content:flex-end;
}

/* Action buttons (move/attack/stop/guard) */
.cmd-btn{
  display:inline-flex;align-items:center;gap:5px;
  padding:8px 12px;
  background:var(--bg3);
  border:1px solid var(--line2);
  color:var(--ink);
  border-radius:4px;
  font-family:'Courier New',monospace;
  font-size:12px;
  cursor:pointer;
  transition:all .15s;
  white-space:nowrap;
}
.cmd-btn:hover{background:var(--green-dim);border-color:var(--green);color:var(--green)}
.cmd-btn:active{transform:scale(.96)}
.cmd-btn.primary{background:var(--green-dim);border-color:var(--green);color:var(--green-soft)}
.cmd-btn .glyph{font-size:14px}

/* Build rail (sidebar for production) */
#build-rail{
  position:absolute;
  top:80px;left:8px;
  background:rgba(10,13,12,.92);
  border:1px solid var(--line2);
  border-radius:6px;
  padding:8px;
  z-index:8;
  max-width:88px;
  backdrop-filter:blur(6px);
}
.rail-title{
  font-family:'Courier New',monospace;
  font-size:11px;
  color:var(--green);
  text-align:center;
  letter-spacing:1px;
  padding-bottom:6px;
  border-bottom:1px solid var(--line);
  margin-bottom:6px;
}
.rail-grid{
  display:grid;
  grid-template-columns:repeat(2, 36px);
  gap:4px;
}
.rail-btn{
  width:36px;height:36px;
  background:var(--bg3);
  border:1px solid var(--line2);
  border-radius:3px;
  color:var(--ink-dim);
  font-family:'Courier New',monospace;
  font-size:10px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  cursor:pointer;
  position:relative;
  text-align:center;
  line-height:1;
}
.rail-btn:hover{background:var(--green-dim);border-color:var(--green);color:var(--green)}
.rail-btn.disabled{opacity:.4;cursor:not-allowed}
.rail-btn.disabled:hover{background:var(--bg3);border-color:var(--line2);color:var(--ink-dim)}
.rail-btn .glyph{font-size:14px;margin-bottom:2px}
.rail-btn .key{position:absolute;top:1px;right:3px;font-size:8px;color:var(--ink-faint)}

/* Game over overlay */
#gameover{
  position:fixed;inset:0;
  background:rgba(0,0,0,.85);
  display:flex;align-items:center;justify-content:center;
  z-index:100;
  backdrop-filter:blur(8px);
}
.go-inner{
  background:var(--bg2);
  border:2px solid var(--line2);
  border-radius:12px;
  padding:36px 48px;
  text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.7);
}
.go-title{
  font-size:48px;font-weight:900;
  letter-spacing:4px;
  margin-bottom:12px;
  font-family:'Courier New',monospace;
}
#go-title.win{color:var(--green);text-shadow:0 0 30px rgba(63,255,122,.6)}
#go-title.lose{color:var(--red);text-shadow:0 0 30px rgba(255,91,91,.6)}
.go-sub{color:var(--ink-dim);font-size:14px;margin-bottom:24px;font-family:'Courier New',monospace}
.go-btn{
  background:var(--green);
  color:#061a0d;
  border:none;
  padding:14px 32px;
  border-radius:6px;
  font-family:'Courier New',monospace;
  font-size:14px;
  font-weight:bold;
  letter-spacing:2px;
  cursor:pointer;
  box-shadow:0 0 0 4px rgba(63,255,122,.12);
  transition:all .2s;
}
.go-btn:hover{transform:translateY(-2px);box-shadow:0 0 0 4px rgba(63,255,122,.2),0 10px 24px rgba(63,255,122,.3)}
.go-btn:active{transform:translateY(0)}

/* === Mobile adaptations === */
@media (max-width:768px){
  #topbar{padding:6px 10px;gap:8px}
  .res{font-size:11px;padding:3px 6px}
  #cmd-info{flex:0 0 110px;font-size:10px}
  #cmd-info .cmd-name{font-size:11px}
  .cmd-btn{padding:8px 8px;font-size:11px}
  #build-rail{top:auto;bottom:80px;left:8px;max-width:none;padding:6px}
  .rail-grid{grid-template-columns:repeat(4,38px)}
  .rail-btn{width:38px;height:38px}
  .go-inner{padding:24px 28px}
  .go-title{font-size:36px}
}

/* === Scrollbar hide === */
::-webkit-scrollbar{display:none}