body {
  margin: 0;
  padding: 0;
  background: black;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.game-container {
  width: 600px;
  height: 800px;
  border: 5px solid #fff;
  background: url('/static/background_1.jpg') no-repeat center center;
  background-size: cover;
  position: relative;
  overflow: hidden;
}
canvas { display: block; background: transparent; }

#startButton,
#restartButton {
  position: absolute;
  padding: 10px 20px;
  font-size: 18px;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 6px;
}
#startButton {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background-color: #4CAF50;
}
#startButton:hover { background-color: #45a049; }
#restartButton {
  top: calc(50% + 40px);
  left: 50%;
  transform: translateX(-50%);
  background-color: #ff6347;
  display: none;
}
#restartButton:hover { background-color: #ff4500; }

#saveResultForm {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  padding: 20px;
  background: white;
  border: 2px solid #333;
  border-radius: 8px;
  width: 280px;
  box-sizing: border-box;
  text-align: center;
  display: none;
}
#saveResultForm h3 {
  margin: 0 0 10px;
  font-size: 16px;
}
#saveResultForm input {
  width: 100%;
  padding: 8px;
  margin-bottom: 10px;
  border: 1px solid #000;
  border-radius: 4px;
  box-sizing: border-box;
}
#saveResultForm .buttons {
  display: flex;
  gap: 10px;
}
#saveResultForm button {
  flex: 1;
  padding: 10px;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  font-size: 14px;
}
#saveResultForm .save-btn {
  background-color: #4CAF50;
  color: white;
}
#saveResultForm .skip-btn {
  background-color: #ccc;
  color: black;
}
#saveResultForm .save-btn:hover {
  background-color: #45a049;
}
#saveResultForm .skip-btn:hover {
  background-color: #bbb;
}

#sideImage {
  position: fixed;
  bottom: 0;
  right: 0;
  width: 20vw;
  height: auto;
  z-index: 1000;
}