:root{
  --bg:#0b1020;
  --retro-green:#7CFC00;
  --accent:#FFCB05;
  --panel:#0f1724;
  --text:#cfe8d4;
  --shadow: rgba(0,0,0,0.6);
  font-family: "Press Start 2P", system-ui;
}

html,body{
  height:100%;
  margin:0;
  background: radial-gradient(1000px 600px at 10% 10%, rgba(14,18,30,0.6), transparent),
              linear-gradient(180deg, #071223 0%, #0b1020 60%);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

#ui{
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 10;
  display:flex;
  gap:12px;
  align-items:center;
  pointer-events:none;
}

#ui > div{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  padding:8px 10px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,0.03);
  box-shadow: 0 6px 14px var(--shadow);
  font-size:14px;
}

#message{
  margin-left:8px;
  pointer-events:auto;
  user-select:none;
  font-size:13px;
  opacity:0.95;
}

kbd{
  background:#111;
  padding:2px 6px;
  border-radius:4px;
  border:1px solid rgba(255,255,255,0.06);
  font-family:inherit;
}

canvas{
  display:block;
  margin:60px auto;
  border-radius:8px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), inset 0 0 80px rgba(0,0,0,0.25);
  width: 880px;
  height: 600px;
  image-rendering: pixelated;
  background:
    linear-gradient(transparent 50%, rgba(0,0,0,0.03) 51%) 0 0/1px 10px, /* subtle scanlines */
    radial-gradient(circle at 10% 10%, rgba(255,255,255,0.01), transparent 10%),
    linear-gradient(90deg, rgba(255,255,255,0.01), transparent 50%);
  border: 6px solid #081220;
}


@media (max-width:900px){
  canvas{ width: calc(100vw - 24px); height: calc((100vw - 24px) * 600/880); }
}

#ui::after{
  content:"";
  position:absolute;
  left:0;top:0;right:0;bottom:0;
  background-image: linear-gradient(transparent 49%, rgba(255,255,255,0.015) 50%);
  opacity:0.6;
  pointer-events:none;
}

#music{
  position: absolute;
  right: 2%;
  top: 2%;
  clear:both;
  width: 5%;
  height: min-content;
  margin: 1%;
  font-size: 3em;
  font-weight: bold;
  color:white;
  border-color: none;
  border-radius: 10%;
  background-color: transparent;
}