:root{
  --bg1:#0b0c24; --bg2:#2a0f3d; --pink:#ff4fa3; --cyan:#3ef0ff;
  --plastic:#4b3fa6; --plastic2:#3a2f8a; --ink:#e9e6ff; --dim:#9a93d1;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%}
body{
  font-family:'IBM Plex Mono',monospace;color:var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(255,79,163,.18),transparent 60%),
    radial-gradient(900px 500px at -10% 110%,rgba(62,240,255,.12),transparent 60%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 4px),
    linear-gradient(160deg,var(--bg1),var(--bg2));
  background-attachment:fixed;
}
header{text-align:center;padding:28px 12px 8px;animation:rise .6s ease both}
h1{font-family:'Press Start 2P',monospace;font-size:clamp(18px,4vw,34px);margin:0;letter-spacing:2px;
  color:#fff;text-shadow:0 0 12px rgba(180,120,255,.8),0 0 30px rgba(255,79,163,.5),3px 3px 0 #2b1a6b}
.berry{font-size:.8em}
.tag{margin:12px 0 0;color:var(--dim);font-weight:300;font-size:13px}
main{max-width:980px;margin:0 auto;padding:10px 12px 30px}

.gba{
  position:relative;margin:26px auto 18px;padding:34px 26px 26px;
  display:grid;grid-template-columns:150px 1fr 150px;grid-template-areas:"l s r" ". ss .";gap:10px 18px;align-items:center;
  background:linear-gradient(180deg,rgba(120,100,255,.55),rgba(60,45,160,.75)),var(--plastic);
  border-radius:60px 60px 90px 90px / 60px 60px 120px 120px;
  box-shadow:inset 0 3px 0 rgba(255,255,255,.25),inset 0 -10px 30px rgba(0,0,0,.35),0 30px 60px rgba(0,0,0,.55),0 0 0 2px rgba(255,255,255,.06);
  animation:rise .7s .1s ease both;
}
.pad-left{grid-area:l;display:flex;justify-content:center}
.pad-right{grid-area:r;display:flex;gap:14px;justify-content:center;align-items:center;transform:rotate(-18deg)}
.screen-area{grid-area:s}
.startsel{grid-area:ss;display:flex;gap:26px;justify-content:center}

.bezel{background:#1a1830;border-radius:14px 14px 34px 14px;padding:10px 18px 18px;box-shadow:inset 0 0 0 3px #0e0d1c,inset 0 8px 20px rgba(0,0,0,.6)}
.led-row{display:flex;align-items:center;gap:6px;font-size:8px;color:#6d68a0;letter-spacing:1px;margin-bottom:6px;font-family:'Press Start 2P'}
.led{width:9px;height:9px;border-radius:50%;background:#3a1218;box-shadow:inset 0 0 2px #000}
.led.on{background:#ff3048;box-shadow:0 0 10px #ff3048,0 0 3px #fff inset}
.screen{position:relative;width:100%;aspect-ratio:3/2;background:#000;border-radius:4px;overflow:hidden}
#canvas{width:100%;height:100%;display:block;image-rendering:pixelated;image-rendering:crisp-edges}
.scan{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.28) 0 1px,transparent 1px 3px)}
.scan.on{opacity:1}
.drop{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:12%;
  text-align:center;font-family:'Press Start 2P';font-size:clamp(7px,1.3vw,11px);line-height:1.8;color:#fff;cursor:pointer;
  border:2px dashed transparent;transition:.2s}
.drop small{color:var(--cyan);font-size:.8em}
.drop.over{border-color:var(--pink);background:rgba(255,79,163,.15)}
.drop.hidden{display:none}
.brand{text-align:center;margin-top:10px;font-family:'Press Start 2P';font-size:10px;color:rgba(255,255,255,.55);letter-spacing:3px}
.brand b{color:var(--cyan);font-weight:400}

button{font-family:inherit;cursor:pointer;touch-action:none;user-select:none}
.dpad{display:grid;grid-template:repeat(3,42px)/repeat(3,42px);filter:drop-shadow(0 4px 0 rgba(0,0,0,.4))}
.d{background:#1c1a33;border:none;color:#fff}
.d.up{grid-area:1/2;border-radius:8px 8px 0 0}.d.down{grid-area:3/2;border-radius:0 0 8px 8px}
.d.left{grid-area:2/1;border-radius:8px 0 0 8px}.d.right{grid-area:2/3;border-radius:0 8px 8px 0}
.d.mid{grid-area:2/2;background:#1c1a33}
.d.pressed,.ab.pressed,.pill.pressed,.shoulder.pressed{transform:scale(.92);box-shadow:inset 0 4px 8px rgba(0,0,0,.6)!important;filter:brightness(1.3)}
.ab{width:58px;height:58px;border-radius:50%;border:none;font-family:'Press Start 2P';font-size:14px;color:#2b1a6b;
  background:radial-gradient(circle at 35% 30%,#fff 0,#d7d2ff 30%,#a69de8 100%);box-shadow:0 5px 0 #261c6a,0 8px 14px rgba(0,0,0,.4);transition:transform .05s}
.ab.a{margin-top:-30px}
.pill{display:flex;flex-direction:column;align-items:center;gap:6px;background:none;border:none;color:rgba(255,255,255,.6);font-size:9px;font-family:'Press Start 2P'}
.pill i{display:block;width:44px;height:12px;border-radius:8px;background:#1c1a33;box-shadow:0 3px 0 #0e0d1c}
.shoulder{position:absolute;top:-14px;width:130px;height:30px;border:none;background:linear-gradient(#6d61d6,#3a2f8a);
  color:#fff;font-family:'Press Start 2P';font-size:11px;box-shadow:0 -2px 0 rgba(255,255,255,.2) inset}
.sl{left:40px;border-radius:30px 8px 0 0}.sr{right:40px;border-radius:8px 30px 0 0}

#controls{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;animation:rise .7s .25s ease both}
.btn{padding:9px 13px;border-radius:10px;border:1px solid rgba(62,240,255,.35);background:rgba(20,16,50,.7);color:var(--ink);
  font-family:'IBM Plex Mono';font-weight:500;font-size:12px;cursor:pointer;transition:.15s}
.btn:hover{border-color:var(--cyan);box-shadow:0 0 12px rgba(62,240,255,.35)}
.btn:active{transform:scale(.95)}
.btn.primary{background:linear-gradient(135deg,var(--pink),#a33bff);border-color:transparent;color:#fff;font-weight:700}
.btn.on{border-color:var(--pink);color:var(--pink)}
.stats{display:flex;gap:18px;justify-content:center;margin:14px 0 4px;font-size:12px;color:var(--cyan)}
.rominfo{margin:10px auto;max-width:700px;padding:12px 14px;border-left:3px solid var(--pink);background:rgba(10,8,30,.6);font-size:12px;line-height:1.7;white-space:pre-wrap}
.rominfo .warn{color:#ffcf4f}
#toast{text-align:center;min-height:18px;font-size:12px;color:var(--pink)}
details{max-width:700px;margin:12px auto;background:rgba(10,8,30,.6);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:10px 14px}
summary{cursor:pointer;color:var(--dim);font-size:12px}
.dbg-actions{display:flex;gap:8px;margin:10px 0}
#regs{font-size:12px;color:#c9ffd9;margin:0;overflow:auto}
.legend{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:16px;font-size:11px;color:var(--dim)}
kbd{font-family:'IBM Plex Mono';background:#1c1a33;border:1px solid #3a3570;border-bottom-width:3px;border-radius:5px;padding:1px 6px;color:#fff}
footer{text-align:center;padding:20px;font-size:12px;color:var(--dim)}
footer a{color:var(--cyan)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

@media (max-width:760px){
  .gba{grid-template-columns:1fr 1fr;grid-template-areas:"s s" "l r" "ss ss";padding:30px 14px 22px;border-radius:30px 30px 60px 60px}
  .shoulder{width:90px}.sl{left:16px}.sr{right:16px}
  .dpad{grid-template:repeat(3,52px)/repeat(3,52px)}
  .ab{width:66px;height:66px}
}