/* 吃豆人游戏样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: #111;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

header {
  width: 100%;
  background-color: #222;
  padding: 15px 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.header-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.game-title {
  font-size: 1.8rem;
  color: #ffd700;
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  flex: 1 1 100%;
}

.game-title span {
  margin-right: 10px;
  font-size: 2rem;
}

.game-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  flex: 1 1 100%;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-label {
  font-size: 0.9rem;
  color: #aaa;
  margin-bottom: 5px;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: bold;
  color: #fff;
}

.game-container {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#gameCanvas {
  border: 2px solid #333;
  background-color: #000;
  display: block;
}

.game-controls {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.control-btn {
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: bold;
  color: #fff;
  background-color: #409eff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 100px;
}

.control-btn:hover {
  background-color: #66b1ff;
  transform: translateY(-2px);
}

.control-btn:active {
  transform: translateY(0);
}

.control-btn:disabled {
  background-color: #666;
  cursor: not-allowed;
  transform: none;
}

.arrow-keys {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin-top: 15px;
  width: 120px;
}

.arrow-btn {
  width: 40px;
  height: 40px;
  background-color: #333;
  border: 2px solid #555;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 5px;
}

.arrow-btn:hover {
  background-color: #444;
  border-color: #777;
}

.arrow-btn:active {
  background-color: #555;
  transform: scale(0.95);
}

.game-instructions {
  max-width: 600px;
  margin: 20px auto;
  padding: 15px;
  background-color: #222;
  border-radius: 8px;
  text-align: left;
  line-height: 1.6;
}

.game-instructions h3 {
  color: #ffd700;
  margin-bottom: 10px;
}

.game-instructions ul {
  padding-left: 20px;
}

.game-instructions li {
  margin-bottom: 5px;
}

.game-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.overlay-content {
  background-color: #222;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

.overlay-content h2 {
  font-size: 2rem;
  margin-bottom: 15px;
  color: #ffd700;
}

.overlay-content p {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #ddd;
}

.keyboard-hint {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #888;
}

footer {
  margin-top: auto;
  padding: 15px;
  text-align: center;
  color: #666;
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 10px;
  }
  
  .game-stats {
    gap: 10px;
  }
  
  #gameCanvas {
    width: 100%;
    max-width: 400px;
  }
  
  .game-controls {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .game-title {
    font-size: 1.5rem;
  }
  
  .stat-value {
    font-size: 1rem;
  }
  
  .control-btn {
    padding: 8px 15px;
    font-size: 0.9rem;
  }
  
  .overlay-content {
    padding: 20px;
  }
  
  .overlay-content h2 {
    font-size: 1.5rem;
  }
}