* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
  color: white;
}

#game-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  aspect-ratio: 4/3;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
  background-color: #87CEEB; /* Ciel bleu */
  overflow: hidden;
}

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

#ui-layer {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
}

.screen {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  pointer-events: auto;
  gap: 20px;
}

.hidden {
  display: none !important;
}

h1 {
  font-size: 3rem;
  color: #FFD166;
  text-shadow: 2px 2px 0 #FF6B6B;
}

p {
  font-size: 1.2rem;
}

button {
  padding: 15px 30px;
  font-size: 1.5rem;
  font-weight: bold;
  background-color: #06D6A0;
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.2s;
  box-shadow: 0 4px 0 #04a57b;
}

button:hover {
  transform: scale(1.05);
}

button:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #04a57b;
}

#hud {
  position: absolute;
  top: 10px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 1.5rem;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.info {
  font-size: 1rem;
  color: #FFD166;
}