/**
 * 数字人模块样式
 * 注重性能优化，使用GPU加速
 * 尺寸和位置由JavaScript ResponsiveManager动态控制
 */

.avatar-container {
  position: fixed;
  /* 初始位置和尺寸将由JavaScript设置 */
  left: 0;
  top: 0;
  width: 320px;  /* 默认最小尺寸，JavaScript会覆盖 */
  height: 180px; /* 对应16:9比例的默认高度 */
  z-index: 50;
  
  /* GPU加速优化 */
  will-change: transform, width, height, left, top;
  backface-visibility: hidden;
  perspective: 1000px;
  transform: translateZ(0);
  
  /* 平滑过渡效果 */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* 拖拽相关样式 */
  cursor: move;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* 拖拽时的视觉效果 */
.avatar-container:active {
  cursor: grabbing;
  -webkit-cursor: grabbing;
}

.avatar-container.dragging {
  opacity: 0.8;
  transform: translateZ(0) scale(1.02);
  z-index: 51;
}

#avatarCanvas {
  width: 100%;
  height: 100%;
  background: transparent;
  
  /* 渲染性能优化 */
  image-rendering: optimizeSpeed;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimize-contrast;
  
  /* 防止选择和拖拽 */
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
  
  /* 平滑过渡 */
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#avatarCanvas:hover {
  transform: scale(1.02);
}

/* 所有响应式尺寸计算现在由JavaScript ResponsiveManager动态处理 */

/* 加载状态 - 全屏居中显示 */
.avatar-loading {
  /* 改为固定定位，覆盖整个视口 */
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  /* 半透明深色背景遮罩 */
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  text-align: center;

  /* 淡入动画 */
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 机器人图标 - 增强版 */
.avatar-loading::before {
  content: '🤖';
  font-size: 4rem;
  margin-bottom: 30px;
  opacity: 1;
  animation: robotFloat 3s ease-in-out infinite;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
}

@keyframes robotFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg) scale(1);
  }
  25% {
    transform: translateY(-10px) rotate(3deg) scale(1.05);
  }
  50% {
    transform: translateY(-5px) rotate(-2deg) scale(1.02);
  }
  75% {
    transform: translateY(-8px) rotate(1deg) scale(1.03);
  }
}

/* 加载动画 - 增强的双环设计 */
.loading-spinner {
  position: relative;
  width: 100px;
  height: 100px;
  margin-bottom: 30px;
}

.loading-spinner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 6px solid rgba(255, 182, 193, 0.2);
  border-radius: 50%;
  border-top-color: #FFB6C1;
  border-right-color: #FF9AA2;
  box-shadow: 0 0 20px rgba(255, 154, 162, 0.3);
  animation: spinOuter 1.5s linear infinite;
}

.loading-spinner::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  width: calc(100% - 24px);
  height: calc(100% - 24px);
  border: 4px solid rgba(255, 228, 225, 0.2);
  border-radius: 50%;
  border-bottom-color: #FFE4E1;
  border-left-color: #FFC0CB;
  box-shadow: 0 0 15px rgba(255, 192, 203, 0.2);
  animation: spinInner 1s linear infinite reverse;
}

@keyframes spinOuter {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spinInner {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 加载文字 - 增强版 */
.loading-text {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #ffffff;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
  letter-spacing: 1px;
  animation: textPulse 2s ease-in-out infinite;
}

@keyframes textPulse {
  0%, 100% {
    opacity: 0.85;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

/* 进度显示 - 增强版 */
.loading-progress {
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, rgba(255, 182, 193, 0.3), rgba(255, 154, 162, 0.3));
  padding: 12px 24px;
  border-radius: 30px;
  border: 2px solid rgba(255, 182, 193, 0.5);
  min-width: 100px;
  box-shadow: 0 4px 15px rgba(255, 154, 162, 0.3);
  transition: all 0.3s ease;
  animation: progressGlow 1.5s ease-in-out infinite alternate;
}

@keyframes progressGlow {
  0% {
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.3), rgba(255, 154, 162, 0.3));
    border-color: rgba(255, 182, 193, 0.5);
    box-shadow: 0 4px 15px rgba(255, 154, 162, 0.3);
  }
  100% {
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.4), rgba(255, 154, 162, 0.4));
    border-color: rgba(255, 182, 193, 0.7);
    box-shadow: 0 6px 20px rgba(255, 154, 162, 0.5);
  }
}

/* 网络慢提示样式 */
.slow-hint {
  margin-top: 20px;
  font-size: 16px;
  color: #FFE4E1;
  background: rgba(255, 228, 225, 0.1);
  padding: 10px 20px;
  border-radius: 20px;
  border: 1px solid rgba(255, 228, 225, 0.3);
  animation: fadeIn 0.5s ease;
}

/* 错误状态 */
.loading-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

.error-text {
  font-size: 14px;
  color: #ff6b6b;
  margin-bottom: 12px;
  text-align: center;
}

/* 旧的固定尺寸媒体查询已移除，使用上面的响应式规则 */

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
  #avatarCanvas {
    box-shadow: 0 0 0 2px #000;
  }
  
  .avatar-loading {
    background: rgba(0, 0, 0, 0.95);
  }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
  #avatarCanvas {
    transition: none;
  }
  
  #avatarCanvas:hover {
    transform: none;
  }
  
  .loading-spinner {
    animation: none;
  }
}


/* 性能优化类 */
.avatar-optimized {
  contain: layout style paint;
  transform: translateZ(0);
}

/* 隐藏状态 */
.avatar-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateZ(0) scale(0.8);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 显示状态 */
.avatar-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateZ(0) scale(1);
  transition: opacity 0.3s ease, transform 0.3s ease;
}