* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: system-ui, sans-serif;
  background: #0c4a6e;
  color: #f0f9ff;
  text-align: center;
}

:focus-visible {
  outline: 2px solid #fbbf24;
  outline-offset: 2px;
}

.hud {
  width: 100%;
  padding: 0.75rem;
  background: #082f49;
}

.hud h1 {
  margin: 0;
  font-size: 1.25rem;
}

.hud__score {
  margin: 0.25rem 0 0;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
}

canvas {
  display: block;
  width: 300px;
  height: 420px;
  max-width: 100%;
  background: #38bdf8;
  border: 2px solid #facc15;
  border-radius: 4px;
  touch-action: none;
}

.status {
  min-height: 1.5rem;
  margin: 0;
  max-width: 300px;
  font-weight: 600;
}

.hint {
  margin: 0;
  color: #bae6fd;
  font-size: 0.875rem;
}