:root{
  --ink:#120C2E;
  --pink:#FF3B7F;
  --cyan:#3DE1FF;
  --cream:#F5F0D8;
  --yellow:#FFD23F;
  --lime:#8BE04A;
  --orange:#FF6B2C;
  --violet:#4A3A8C;
  --pad:120px;
}
*{box-sizing:border-box}
html,body{
  margin:0;padding:0;height:100%;width:100%;
  background:var(--ink);
  color:var(--cream);
  overflow:hidden;
  font-family:"Pixelify Sans","Trebuchet MS",sans-serif;
  -webkit-user-select:none;user-select:none;
  -webkit-tap-highlight-color:transparent;
}
body{position:fixed;inset:0}
#game{position:absolute;inset:0;z-index:1}
#game canvas{display:block;image-rendering:pixelated;image-rendering:crisp-edges}

/* ---------- loader ---------- */
#loader{
  position:fixed;inset:0;z-index:60;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);
  transition:opacity .35s steps(3);
}
#loader.gone{opacity:0;pointer-events:none}
.loader-inner{width:min(560px,82vw);text-align:center}
.loader-title{width:100%;height:auto;image-rendering:pixelated;filter:drop-shadow(6px 6px 0 var(--ink))}
.loader-track{
  margin:26px auto 0;height:16px;width:100%;
  background:var(--violet);border:4px solid var(--cream);
  box-shadow:0 0 0 4px var(--ink);
}
#loadBar{height:100%;width:2%;background:var(--pink);transition:width .18s steps(4)}
.loader-note{
  margin:18px 0 0;font-family:"Silkscreen",monospace;font-size:13px;
  letter-spacing:.14em;color:var(--cream);
}

/* ---------- touch pads ---------- */
#touchHint{
  display:none;position:fixed;left:50%;transform:translateX(-50%);
  bottom:160px;z-index:31;pointer-events:none;text-align:center;
  font-family:"Silkscreen",monospace;font-size:11px;line-height:1.7;
  color:var(--cream);letter-spacing:.04em;
  text-shadow:0 2px 0 var(--ink),2px 0 0 var(--ink),-2px 0 0 var(--ink),0 -2px 0 var(--ink);
  animation:hintfade 12s steps(20) forwards;
}
#touchHint span{display:block}
@keyframes hintfade{0%,72%{opacity:1}100%{opacity:0;visibility:hidden}}
@media (pointer:coarse), (max-width:700px){
  #touchHint{display:block}
}
#pads{position:fixed;inset:0;z-index:30;pointer-events:none}
#pads .pad,#pads #fireBtn{
  position:absolute;pointer-events:auto;padding:0;border:0;background:transparent;
  width:var(--pad);height:var(--pad);touch-action:none;
  transition:opacity .2s steps(2);
}
#pads img{
  position:absolute;inset:0;width:100%;height:100%;
  image-rendering:pixelated;pointer-events:none;
  filter:drop-shadow(3px 4px 0 rgba(18,12,46,.55));
}
#movePad{left:16px;bottom:16px}
#aimPad{right:calc(var(--pad) * 1.12);bottom:16px}
#fireBtn{right:14px;bottom:14px}
#fireBtn img{transition:transform .07s steps(2)}
#fireBtn.down img{transform:scale(.93)}
#pads .knob{
  position:absolute;left:50%;top:50%;width:16%;height:16%;
  transform:translate(-50%,-50%);
  border-radius:0;
  pointer-events:none;
  box-shadow:0 0 0 3px var(--ink);
  opacity:.95;
}
.knob-cream{background:var(--cream)}
.knob-cyan{background:var(--cyan)}
#pads .pad.down{opacity:.92}
#pauseDom,#soundDom{
  position:absolute;pointer-events:auto;padding:0;border:0;background:transparent;
  width:44px;height:44px;touch-action:none;cursor:pointer;
  image-rendering:pixelated;
}
#pauseDom img{width:100%;height:100%;image-rendering:pixelated;filter:drop-shadow(3px 4px 0 rgba(18,12,46,.55))}
#soundDom{
  background:var(--ink);border:3px solid var(--cream);
  box-shadow:3px 4px 0 rgba(18,12,46,.55);
  display:flex;align-items:center;justify-content:center;
}
#soundDom svg{width:66%;height:66%;display:block;image-rendering:pixelated}
#soundDom .slash{display:none}
#soundDom.off .wave{display:none}
#soundDom.off .slash{display:block}
#soundDom.off{border-color:var(--pink)}
body.ui-open #pads{visibility:hidden}
#pads.off{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- overlay ---------- */
#overlay{
  position:fixed;inset:0;z-index:40;
  display:flex;align-items:center;justify-content:center;
  padding:18px;
  background:rgba(18,12,46,.82);
  overflow:auto;
}
#overlay.hidden{display:none}
.panel{
  position:relative;
  width:min(560px,94vw);
  max-height:94vh;overflow:auto;
  padding:18px 22px 20px;
  background:var(--violet);
  border:4px solid var(--cream);
  box-shadow:0 0 0 4px var(--ink),10px 10px 0 rgba(18,12,46,.6);
  text-align:center;
}
.panel::after{
  content:"";position:absolute;left:0;right:0;top:0;height:6px;
  background:var(--pink);
}
.panel.hidden{display:none}
.mini-title{
  width:min(300px,64%);height:auto;image-rendering:pixelated;
  margin:2px auto 6px;display:block;
  filter:drop-shadow(4px 4px 0 var(--ink));
}
.panel h2{
  margin:2px 0 2px;
  font-family:"Silkscreen",monospace;font-weight:700;
  font-size:clamp(24px,5vw,42px);letter-spacing:.04em;
  color:var(--cream);text-shadow:4px 4px 0 var(--ink);
}
.panel .sub{
  margin:0 0 12px;font-family:"Silkscreen",monospace;
  font-size:11px;letter-spacing:.14em;color:var(--cyan);
}
.btn-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:10px 0}
.btn{
  appearance:none;cursor:pointer;
  font-family:"Silkscreen",monospace;font-weight:700;
  font-size:clamp(12px,2.4vw,16px);letter-spacing:.06em;
  color:var(--ink);background:var(--cream);
  border:3px solid var(--ink);
  padding:10px 16px;min-width:120px;
  box-shadow:4px 4px 0 var(--ink);
  image-rendering:pixelated;
  transition:transform .05s steps(2),background .05s steps(2);
}
.btn:hover{background:var(--yellow)}
.btn:active{transform:translate(3px,3px);box-shadow:1px 1px 0 var(--ink)}
.btn-primary{background:var(--pink);color:var(--ink)}
.btn-primary:hover{background:var(--yellow);color:var(--ink)}
.btn-wide{width:100%;margin:2px 0 12px}
.upgrade-list{display:grid;gap:10px;margin:14px 0 10px}
.upgrade-btn{
  display:grid;grid-template-columns:38px 1fr;grid-template-rows:auto auto;
  gap:2px 10px;align-items:center;text-align:left;
  appearance:none;cursor:pointer;
  background:var(--ink);color:var(--cream);
  border:3px solid var(--cream);padding:10px 12px;
  box-shadow:4px 4px 0 var(--ink);
  font-family:"Pixelify Sans",sans-serif;
  transition:transform .05s steps(2),background .05s steps(2);
}
.upgrade-btn .num{
  grid-row:1 / span 2;font-family:"Silkscreen",monospace;
  font-size:24px;color:var(--pink);text-align:center;
}
.upgrade-btn b{
  font-family:"Silkscreen",monospace;font-size:13px;
  letter-spacing:.04em;color:var(--yellow);
}
.upgrade-btn span:last-child{font-size:13px;color:var(--cream)}
.upgrade-btn:hover{background:var(--yellow)}
.upgrade-btn:hover .num,.upgrade-btn:hover b,.upgrade-btn:hover span:last-child{color:var(--ink)}
.upgrade-btn:active{transform:translate(3px,3px);box-shadow:1px 1px 0 var(--ink)}
.controls{
  text-align:left;border-top:3px solid var(--ink);border-bottom:3px solid var(--ink);
  padding:10px 2px;margin:2px 0 12px;
  font-family:"Pixelify Sans",sans-serif;font-size:14px;
}
.ctrl{display:flex;gap:10px;align-items:baseline;padding:3px 0;color:var(--cream)}
.ctrl .key{
  flex:0 0 auto;font-family:"Silkscreen",monospace;font-size:11px;
  color:var(--yellow);letter-spacing:.06em;
}
.foot{
  margin:6px 0 0;font-family:"Silkscreen",monospace;
  font-size:10px;letter-spacing:.12em;color:var(--cream);
}
.rank{
  width:74px;height:74px;margin:4px auto 2px;
  display:flex;align-items:center;justify-content:center;
  font-family:"Silkscreen",monospace;font-weight:700;font-size:42px;
  color:var(--ink);background:var(--yellow);
  border:4px solid var(--ink);box-shadow:0 0 0 3px var(--cream);
}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  margin:12px 0 6px;
}
.stat{
  background:var(--ink);border:3px solid var(--cream);
  padding:8px 4px 6px;
}
.stat b{
  display:block;font-family:"VT323",monospace;font-weight:400;
  font-size:clamp(24px,5.4vw,36px);line-height:1;color:var(--yellow);
}
.stat span{
  display:block;margin-top:3px;font-family:"Silkscreen",monospace;
  font-size:9px;letter-spacing:.1em;color:var(--cream);
}
.newbest{
  margin:8px 0 2px;font-family:"Silkscreen",monospace;font-size:13px;
  letter-spacing:.16em;color:var(--lime);
  animation:blink 0.9s steps(2) infinite;
}
@keyframes blink{50%{opacity:.35}}
.newbest.hidden{display:none}
.board-head{
  margin-top:10px;font-family:"Silkscreen",monospace;font-size:11px;
  letter-spacing:.14em;color:var(--cream);
}
.board{
  list-style:none;margin:6px 0 8px;padding:0;
  border-top:3px solid var(--ink);
}
.board li{
  display:flex;gap:8px;align-items:baseline;
  font-family:"Pixelify Sans",sans-serif;font-size:14px;color:var(--cream);
  padding:4px 2px;border-bottom:2px solid var(--ink);
}
.board li .rk{font-family:"Silkscreen",monospace;font-size:11px;color:var(--pink);width:24px;text-align:left}
.board li .nm{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board li .nm a{color:var(--cyan);text-decoration:none;border-bottom:2px solid rgba(61,225,255,.35)}
.board li .val{font-family:"VT323",monospace;font-size:20px;color:var(--yellow);line-height:1}
.board li.mine{background:var(--ink)}
.board li.board-empty{justify-content:center;color:var(--cream);font-size:13px}
.noscript{
  position:fixed;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--cream);font-family:"Silkscreen",monospace;padding:20px;text-align:center;
}

@media (max-width:520px){
  .panel{padding:14px 14px 16px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .ctrl{font-size:13px}
}
@media (max-height:520px){
  .panel{max-height:97vh}
  .mini-title{width:min(220px,46%)}
  .controls{font-size:12px}
  .btn{padding:8px 12px;min-width:104px}
  .stats{margin:8px 0 4px}
  .stat{padding:5px 3px 4px}
}