:root {
  color-scheme: dark;
  --ink: #f7eed7;
  --panel: rgba(20, 16, 14, 0.82);
  --panel-strong: rgba(10, 9, 10, 0.92);
  --gold: #f2c14e;
  --leaf: #58c56f;
  --sky: #8fc7ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 18% 12%, rgba(242, 193, 78, 0.18), transparent 30%),
    radial-gradient(circle at 82% 20%, rgba(88, 197, 111, 0.18), transparent 28%),
    linear-gradient(135deg, #0d1622, #132819 58%, #1d150c);
  color: var(--ink);
  font-family:
    ui-monospace,
    "SFMono-Regular",
    "Menlo",
    "Consolas",
    monospace;
  overflow-x: hidden;
}

body {
  display: grid;
  place-items: center;
  padding: 20px;
}

.game-shell {
  width: min(100%, 1320px);
}

#game {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  image-rendering: pixelated;
  background: #0d1b1f;
  border: 4px solid #2b221b;
  border-radius: 8px;
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.42),
    inset 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.keyboard-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  justify-content: center;
  margin: 12px auto 0;
  color: rgba(247, 238, 215, 0.88);
  font-size: clamp(12px, 1.2vw, 14px);
  line-height: 1.6;
}

kbd {
  display: inline-grid;
  min-width: 24px;
  height: 24px;
  place-items: center;
  margin: 0 3px;
  padding: 0 6px;
  border: 1px solid rgba(247, 238, 215, 0.35);
  border-bottom-color: rgba(247, 238, 215, 0.18);
  border-radius: 4px;
  background: rgba(18, 17, 16, 0.75);
  color: #fff8de;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.4);
  font: inherit;
}

@media (max-width: 720px) {
  body {
    padding: 10px;
  }

  #game {
    border-width: 3px;
  }

  .keyboard-panel {
    justify-content: flex-start;
  }
}