:root{
  --bg:#0c0d12;
  --panel:#16181f;
  --accent:#ffcc00;
  --ink:#e8e8e8;
  --dim:#8a8f9c;
  --grey:#3a3d47;
  --rubber:#2a2d36;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:
  radial-gradient(circle at 20% 0%, #1a1c26 0%, var(--bg) 55%);
  color:var(--ink);font-family:'Space Mono',monospace;min-height:100%;}
#app{max-width:640px;margin:0 auto;padding:14px 12px 40px;}

/* Header */
#topbar{text-align:center;position:relative;padding-top:8px;}
.rainbow-stripes{
  height:8px;border-radius:4px;margin-bottom:12px;
  background:linear-gradient(90deg,#d70000 0 20%,#d7d700 20% 40%,#00d7d7 40% 60%,#00d700 60% 80%,#d700d7 80% 100%);
  box-shadow:0 0 18px rgba(215,215,0,.25);
}
#topbar h1{
  font-family:'VT323',monospace;font-size:3.4rem;line-height:.9;margin:0;
  letter-spacing:2px;color:var(--accent);
  text-shadow:2px 2px 0 #d70000, 4px 4px 0 rgba(0,0,0,.4);
}
#topbar h1 .dim{color:#00d7d7;}
.tagline{color:var(--dim);font-size:.8rem;margin:6px 0 16px;}
.tagline em{color:var(--accent);font-style:italic;}

/* Machine bezel */
#machine{
  background:linear-gradient(180deg,#c9c4b5,#b0aa98);
  border-radius:14px;padding:16px 16px 8px;
  box-shadow:0 8px 0 #7a7566, 0 14px 30px rgba(0,0,0,.6), inset 0 2px 4px rgba(255,255,255,.4);
}
#border-frame{
  padding:22px;border-radius:4px;background:#00d7d7;transition:background .1s;
  display:flex;justify-content:center;position:relative;
}
#screen{
  width:100%;max-width:512px;height:auto;
  image-rendering:pixelated;image-rendering:crisp-edges;
  display:block;background:#000;
  box-shadow:0 0 0 2px #000, 0 0 22px rgba(0,0,0,.5) inset;
}
#scanlines{
  pointer-events:none;position:absolute;inset:22px;
  background:repeating-linear-gradient(0deg, rgba(0,0,0,.18) 0 1px, transparent 1px 3px);
  mix-blend-mode:multiply;
}
#scanlines.off{display:none;}
.badge{
  text-align:center;font-family:'VT323',monospace;color:#4a4636;
  font-size:1rem;letter-spacing:1px;margin-top:8px;
}

/* Dropzone */
#dropzone{
  margin-top:16px;border:2px dashed var(--grey);border-radius:10px;
  padding:16px;text-align:center;font-size:.85rem;color:var(--dim);
  transition:.15s;background:var(--panel);
}
#dropzone strong{color:var(--accent);}
#dropzone.drag-over{border-color:var(--accent);background:#20222c;color:var(--ink);}
#dropzone .hint{display:block;font-size:.7rem;margin-top:6px;opacity:.8;}
.upload-btn{
  display:inline-block;margin-top:12px;cursor:pointer;
  background:var(--accent);color:#1a1a1a;font-weight:700;
  padding:8px 18px;border-radius:6px;font-size:.8rem;
  box-shadow:0 3px 0 #b38f00;
}
.upload-btn:active{transform:translateY(2px);box-shadow:0 1px 0 #b38f00;}

/* Status */
#status{
  margin:14px 0;padding:10px 12px;font-size:.78rem;
  background:#000;color:#00d700;border-radius:6px;
  font-family:'VT323',monospace;font-size:1rem;
  border:1px solid #1e3d1e;min-height:20px;
}

/* Controls */
#controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px;}
#controls button{
  background:var(--rubber);color:var(--ink);border:1px solid var(--grey);
  padding:9px 12px;border-radius:6px;font-family:'Space Mono',monospace;
  font-size:.78rem;cursor:pointer;box-shadow:0 3px 0 #101218;
}
#controls button:active{transform:translateY(2px);box-shadow:0 1px 0 #101218;}
.speed{display:flex;align-items:center;gap:6px;font-size:.78rem;color:var(--dim);}
.speed input{width:90px;accent-color:var(--accent);}

/* Debug */
#debug{
  white-space:pre;font-family:'VT323',monospace;font-size:1.1rem;
  background:#000;color:#ffcc00;padding:12px;border-radius:6px;
  border:1px solid #3a2f00;margin-bottom:14px;line-height:1.3;
}
.hidden{display:none;}

/* On-screen keyboard */
#keyboard{margin-top:8px;user-select:none;}
.kbrow{display:flex;gap:5px;margin-bottom:5px;justify-content:center;}
.key{
  flex:1;min-width:0;padding:12px 0;border-radius:6px;
  background:linear-gradient(180deg,#3a3d47,#22242c);
  color:#ddd;border:1px solid #101218;font-family:'Space Mono',monospace;
  font-size:.7rem;cursor:pointer;box-shadow:0 3px 0 #0c0d12;
  transition:.05s;
}
.key.down,.key:active{transform:translateY(3px);box-shadow:none;background:#d70000;color:#fff;}

/* Footer */
footer{
  margin-top:26px;text-align:center;font-size:.7rem;color:var(--dim);
  display:flex;flex-direction:column;gap:8px;
}
footer a{
  color:var(--accent);text-decoration:none;border:1px solid var(--grey);
  padding:6px 14px;border-radius:6px;display:inline-block;margin:0 auto;
}
footer a:hover{background:var(--accent);color:#111;}

@media(max-width:480px){
  #topbar h1{font-size:2.6rem;}
  #border-frame{padding:12px;}
  #scanlines{inset:12px;}
  .key{padding:14px 0;font-size:.65rem;}
}