*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #07070d;
  --panel: #12121c;
  --edge: #2a2a3c;
  --ink: #e6e6ee;
  --dim: #8a8aa6;
  --yellow: #ffff00;
  --cyan: #00ffff;
  --blue: #0000d7;
}

html, body { margin: 0; background: var(--bg); color: var(--ink); }
body {
  font: 13px/1.4 ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  display: flex;
  justify-content: center;
  padding: 10px;
  -webkit-tap-highlight-color: transparent;
}

.cabinet {
  width: 100%;
  max-width: 800px;
  background: var(--panel);
  border: 2px solid var(--edge);
  border-radius: 10px;
  padding: 10px 12px 12px;
  display: grid;
  gap: 10px;
}

.bar { display: flex; align-items: baseline; gap: 10px; }
.bar h1 { margin: 0; font-size: 18px; letter-spacing: 4px; color: var(--yellow); }
.tag { color: var(--dim); font-size: 12px; }
.stripes { margin-left: auto; display: flex; height: 8px; width: 72px; transform: skewX(-30deg); }
.stripes i { flex: 1; }
.stripes i:nth-child(1) { background: #ff0000; }
.stripes i:nth-child(2) { background: #ffff00; }
.stripes i:nth-child(3) { background: #00ff00; }
.stripes i:nth-child(4) { background: #00ffff; }

.screen {
  background: var(--blue);
  padding: 8px;
  border-radius: 4px;
}
canvas#screen {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: #000;
  touch-action: none;
}

button {
  font: inherit;
  color: var(--ink);
  background: #1d1d2c;
  border: 2px solid #3a3a55;
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
button:active { background: #2e2e48; }
button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 1px; }

.hud { display: grid; grid-template-columns: 1fr 1fr auto auto auto; gap: 8px; }
.lang span { color: var(--dim); }
.lang span.on { color: var(--yellow); font-weight: 700; }
.slot { text-align: left; color: var(--yellow); font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.slot.empty { color: var(--dim); font-weight: 400; }
.slot.active { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan) inset; }
#slot0::before { content: "1 · "; color: var(--dim); }
#slot1::before { content: "2 · "; color: var(--dim); }
.small { font-size: 11px; color: var(--dim); }

.pad { display: none; justify-content: space-between; align-items: center; gap: 12px; }
.dirs { display: grid; grid-template-columns: repeat(3, 52px); grid-template-rows: repeat(2, 46px); gap: 6px; }
.dirs [data-hold="up"] { grid-column: 2; }
.dirs [data-hold="left"] { grid-column: 1; grid-row: 2; }
.dirs [data-hold="down"] { grid-column: 2; grid-row: 2; }
.dirs [data-hold="right"] { grid-column: 3; grid-row: 2; }
.dirs button { font-size: 18px; padding: 0; }
.acts { display: grid; gap: 6px; }
.acts button { min-width: 120px; padding: 12px; }
.acts .use { background: #00427a; border-color: #0088ff; font-weight: 700; }

.keys { margin: 0; color: var(--dim); font-size: 12px; text-align: center; }
.keys b { color: var(--yellow); font-weight: 700; }

/* Touch devices: show the pad, hide the keyboard help */
@media (pointer: coarse) {
  .pad { display: flex; }
  .keys { display: none; }
}

@media (max-width: 480px) {
  body { padding: 4px; }
  .cabinet { padding: 8px; border-radius: 6px; gap: 8px; }
  .screen { padding: 4px; }
  .hud { grid-template-columns: 1fr 1fr; }
  .tag { display: none; }
}