* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  background: radial-gradient(circle at center, #1b2735 0%, #090a0f 100%);
  color: #ffffff;
  font-family: 'Fredoka', 'Comic Sans MS', 'Trebuchet MS', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
}

#game-container {
  position: relative;
  width: 900px;
  height: 600px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 25px rgba(0, 240, 255, 0.4);
  border: 4px solid #00f0ff;
  border-radius: 16px;
  background-color: #0d131a;
  overflow: hidden;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.controls-hint {
  margin-top: 14px;
  font-size: 15px;
  color: #a0c4ff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  display: flex;
  gap: 18px;
  align-items: center;
}

.key-badge {
  background: #2b3a4a;
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid #4a637d;
  color: #ffd166;
  font-weight: bold;
  font-size: 13px;
}