* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Courier New", monospace;
  background: #070916;
  color: #eef4ff;
  image-rendering: pixelated;
}

.app-shell {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  gap: 0.8rem;
}

.panel {
  background: #10152a;
  border: 2px solid #44547d;
  border-radius: 0;
  box-shadow: 5px 5px 0 #060812;
  padding: 0.85rem 1rem;
}

h1 {
  margin: 0 0 0.35rem;
  color: #ffe060;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

p {
  margin: 0.2rem 0 0;
  line-height: 1.5;
}

.instructions {
  margin: 0.55rem 0 0;
  padding-left: 1rem;
  line-height: 1.45;
}

kbd {
  border: 1px solid #7187bf;
  border-radius: 0;
  padding: 0.08rem 0.32rem;
  background: #1a2342;
  font-size: 0.88rem;
}

.status-panel {
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}

#game-status {
  color: #aad8ff;
}

.canvas-wrap {
  padding: 0.5rem;
}

#game-canvas {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

canvas {
  display: block;
  width: 900px !important;
  height: 600px !important;
  border: 2px solid #5a70a6;
  border-radius: 0;
  image-rendering: pixelated;
}