/* 响应式媒体样式 */

/* 基础图片样式 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 懒加载图片样式 */
.lazy-load {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lazy-load.loaded {
  opacity: 1;
}

/* 图片加载占位符 */
.lazy-load:not(.loaded) {
  background-color: var(--bg-light);
  background-image: linear-gradient(
    90deg,
    var(--bg-light) 0%,
    rgba(255, 255, 255, 0.8) 50%,
    var(--bg-light) 100%
  );
  background-size: 200px 100%;
  background-repeat: no-repeat;
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

/* 错误占位符样式 */
.error-placeholder {
  background-color: var(--bg-light);
  border: 2px dashed var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 14px;
  min-height: 200px;
}

/* 卡片图片样式 */
.card-image {
  width: 100%;
  overflow: hidden;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.game-card:hover .card-img {
  transform: scale(1.05);
}

/* 场景详情图片样式 */
.scenario-detail-image {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.scenario-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

/* 响应式图片容器 */
.responsive-image-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.responsive-image-container::before {
  content: '';
  display: block;
  padding-top: 56.25%; /* 16:9 宽高比 */
}

.responsive-image-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 图片网格 */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.image-grid-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  aspect-ratio: 4/3;
}

.image-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.image-grid-item:hover img {
  transform: scale(1.1);
}

/* 英雄图片样式 */
.hero-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

/* 头像图片样式 */
.avatar-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--bg-white);
  box-shadow: var(--shadow-small);
}

/* 缩略图样式 */
.thumbnail-image {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
}

.thumbnail-image:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-medium);
}

/* 全屏图片查看器 */
.image-viewer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.image-viewer-overlay.show {
  opacity: 1;
  visibility: visible;
}

.image-viewer-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.image-viewer-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.image-viewer-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.image-viewer-close:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* 响应式调整 */

/* 移动端 - 小屏手机 */
@media (max-width: 479px) {
  .card-img {
    height: 150px;
  }
  
  .scenario-img {
    height: 200px;
  }
  
  .hero-image {
    height: 200px;
  }
  
  .avatar-image {
    width: 50px;
    height: 50px;
  }
  
  .thumbnail-image {
    width: 60px;
    height: 60px;
  }
  
  .image-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .image-grid-item {
    aspect-ratio: 16/9;
  }
  
  .image-viewer-content {
    max-width: 95vw;
    max-height: 95vh;
  }
}

/* 移动端 - 大屏手机 */
@media (min-width: 480px) and (max-width: 767px) {
  .card-img {
    height: 180px;
  }
  
  .scenario-img {
    height: 220px;
  }
  
  .hero-image {
    height: 250px;
  }
  
  .image-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 平板端 */
@media (min-width: 768px) and (max-width: 1023px) {
  .card-img {
    height: 220px;
  }
  
  .scenario-img {
    height: 280px;
  }
  
  .hero-image {
    height: 350px;
  }
  
  .avatar-image {
    width: 70px;
    height: 70px;
  }
  
  .thumbnail-image {
    width: 100px;
    height: 100px;
  }
  
  .image-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 桌面端 */
@media (min-width: 1024px) {
  .card-img {
    height: 250px;
  }
  
  .scenario-img {
    height: 320px;
  }
  
  .hero-image {
    height: 400px;
  }
  
  .avatar-image {
    width: 80px;
    height: 80px;
  }
  
  .thumbnail-image {
    width: 120px;
    height: 120px;
  }
  
  .image-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
  }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* 高分辨率屏幕的特殊处理已在JavaScript中实现 */
}

/* 无障碍支持 */
@media (prefers-reduced-motion: reduce) {
  .lazy-load,
  .card-img,
  .thumbnail-image,
  .image-viewer-overlay {
    transition: none;
  }
  
  .lazy-load:not(.loaded) {
    animation: none;
  }
  
  .game-card:hover .card-img,
  .image-grid-item:hover img,
  .thumbnail-image:hover {
    transform: none;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .error-placeholder {
    border-width: 3px;
    border-color: var(--text-dark);
  }
  
  .card-image,
  .scenario-detail-image,
  .responsive-image-container,
  .image-grid-item {
    border: 2px solid var(--border-color);
  }
}

/* 打印样式 */
@media print {
  .lazy-load:not(.loaded) {
    background: none;
    animation: none;
  }
  
  .image-viewer-overlay {
    display: none;
  }
  
  img {
    max-width: 100%;
    page-break-inside: avoid;
  }
}

/* 网络状况指示器 */
.network-status {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--bg-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs) var(--spacing-sm);
  box-shadow: var(--shadow-medium);
  font-size: 12px;
  color: var(--text-medium);
  z-index: 100;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.network-status.show {
  opacity: 1;
  transform: translateY(0);
}

.network-status.slow {
  border-left: 4px solid var(--danger-color);
}

.network-status.medium {
  border-left: 4px solid var(--warning-color);
}

.network-status.fast {
  border-left: 4px solid var(--success-color);
}