.background-image {
  filter: brightness(0.25);
}

/* 游戏容器 */
.game-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 30px;
  padding: 20px;
  height: calc(100vh - 210px);
  font-family: "JetBrains Mono", "Noto Sans SC", Consolas, monospace;
}

/* 游戏信息面板 */
.game-info-panel {
  display: flex;
  flex-direction: column;
  gap: 15px;
  min-width: 150px;
}

.info-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 15px;
  text-align: center;
  transition: all 0.3s ease;
}

.info-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.info-card h3 {
  margin: 0 0 8px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.info-value {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* 游戏画布区域 */
.game-canvas-area {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

#gameCanvas {
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.8);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
  width: 350px; /* 10 * 35 */
  height: 700px; /* 20 * 35 */
}

#gameCanvas:hover {
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.7);
}

/* 画布覆盖层 */
.canvas-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.overlay-content {
  text-align: center;
  color: white;
}

.overlay-content h2 {
  font-size: 28px;
  margin: 0 0 15px 0;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.overlay-content p {
  font-size: 16px;
  margin: 0 0 25px 0;
  color: rgba(255, 255, 255, 0.8);
}

.overlay-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.game-btn {
  padding: 12px 24px;
  border: none;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 600;
  cursor: url("/Images/Common/鼠标-指向.cur"), pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.game-btn.primary {
  background: linear-gradient(45deg, #ff6b6b, #ee5a24);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.game-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

.game-btn.secondary {
  background: linear-gradient(45deg, #4ecdc4, #44a08d);
  color: white;
  box-shadow: 0 4px 15px rgba(78, 205, 196, 0.4);
}

.game-btn.secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(78, 205, 196, 0.6);
}

/* 下一个方块预览 */
.next-piece-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  min-width: 150px;
}

.next-piece-panel h3 {
  margin: 0;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

#nextCanvas {
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

/* 操作说明面板 */
.controls-panel {
  display: flex;
  flex-direction: column;
  gap: 15px;
  min-width: 150px;
}

.controls-panel h3 {
  margin: 0;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
}

.control-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.control-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(5px);
}

.key {
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: bold;
  width: 40px;
  text-align: center;
}

.desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

/* 重置按钮样式 */
#resetGame {
  cursor: url("/Images/Common/鼠标-指向.cur"), pointer;
  transition: all 0.3s ease;
}

#resetGame:hover {
  transform: scale(1.1);
  filter: brightness(1.2);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .game-container {
    flex-direction: column;
    align-items: center;
    gap: 20px;
    height: auto;
    min-height: calc(100vh - 210px);
  }

  .game-info-panel {
    flex-direction: row;
    min-width: auto;
    width: 100%;
    max-width: 600px;
  }

  .next-piece-panel,
  .controls-panel {
    min-width: auto;
    width: 100%;
    max-width: 600px;
  }

  .controls-panel {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .control-item {
    flex: 1;
    min-width: 120px;
  }
}

@media (max-width: 768px) {
  .game-container {
    padding: 10px;
    gap: 15px;
  }

  #gameCanvas {
    width: 280px; /* 8 * 35 */
    height: 560px; /* 16 * 35 */
  }

  #nextCanvas {
    width: 100px;
    height: 100px;
  }

  .game-info-panel {
    flex-wrap: wrap;
    justify-content: center;
  }

  .info-card {
    flex: 1;
    min-width: 120px;
  }

  .controls-panel {
    flex-direction: column;
  }

  .control-item {
    min-width: auto;
  }
}

/* 动画效果 */
@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.info-value {
  animation: pulse 2s ease-in-out infinite;
}

/* 游戏状态样式 */
.game-paused .canvas-overlay {
  background: rgba(0, 0, 0, 0.7);
}

.game-over .canvas-overlay {
  background: rgba(255, 0, 0, 0.2);
}

.level-complete .canvas-overlay {
  background: rgba(0, 255, 0, 0.2);
}