:root {
  color-scheme: dark;
  --bg: #14141a;
  --fg: #eee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, sans-serif;
  display: flex;
  justify-content: center;
}

main {
  max-width: 720px;
  width: 100%;
  padding: 1.5rem;
  text-align: center;
}

h1 {
  margin-bottom: 0.25rem;
}

.subtitle {
  opacity: 0.7;
  margin-top: 0;
}

.hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1rem 0;
  font-weight: 600;
}

canvas {
  background: #0a0a0e;
  border: 2px solid #333;
  max-width: 100%;
  height: auto;
}

#message-banner {
  min-height: 1.5em;
  font-weight: 700;
}

#message-banner.won {
  color: #6fd66f;
}

#message-banner.caught {
  color: #ff6b6b;
}

.how-to-play {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  opacity: 0.8;
  text-align: left;
}

button {
  background: #2a2a35;
  color: var(--fg);
  border: 1px solid #444;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}

button:hover {
  background: #3a3a48;
}