* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, serif;
  background: linear-gradient(#cceeff, #f3ffe2);
  color: #183b2d;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.game-card {
  width: min(960px, 100%);
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
}

p {
  margin: 8px 0 16px;
}

.hud {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

canvas {
  width: 100%;
  max-width: 900px;
  background: linear-gradient(#9edcff 0%, #dff7ff 55%, #9bd47b 56%, #6fb85f 100%);
  border: 4px solid #183b2d;
  border-radius: 18px;
  display: block;
  margin: 0 auto;
}

#message {
  min-height: 32px;
  margin-top: 12px;
  font-weight: bold;
  color: #286b4c;
}

button {
  margin-top: 10px;
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  background: #183b2d;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #286b4c;
}