/* 首页特有样式 */

/* 发布区域 */
#middle-body-text {
  padding: 1.5rem;
  border-bottom: 1px solid #f1f3f5;
  background-color: #fafbfc;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.post-header {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.post-input {
  flex: 1;
  border: 2px solid #e9ecef;
  resize: none;
  outline: none;
  font-size: 1.25rem;
  padding: 1rem;
  min-height: 100px;
  line-height: 1.5;
  border-radius: 12px;
  background-color: white;
  transition: all 0.3s ease;
  /* 隐藏文本域滚动条 */
  overflow-y: auto;
  -ms-overflow-style: none;
  /* IE和Edge */
  scrollbar-width: none;
  /* Firefox */
}

.post-input::-webkit-scrollbar {
  display: none;
  /* Chrome、Safari和Opera */
}

.post-input:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.post-input::placeholder {
  color: #adb5bd;
}

.post-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid #f1f3f5;
}

.action-icons {
  display: flex;
  gap: 1.5rem;
}

.action-icon {
  color: #667eea;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0.5rem;
  border-radius: 50%;
}

.action-icon img {
  width: 35px;
  height: 35px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.action-icon:hover {
  background-color: rgba(102, 126, 234, 0.1);
  transform: scale(1.1);
}

.post-submit {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.post-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* 帖子列表 */
.posts-container {
  flex: 1;
}

/* ========== 文本样式 ========== */
.post-text {
  margin-bottom: 12px;
  line-height: 1.6;
  color: #333;
  font-size: 15px;
  position: relative;
}

.text-content {
  word-break: break-word;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

/* 文本收起状态 */
.post-text.collapsed {
  max-height: 4.8em;
  /* 大约3行高度 (1.6em * 3) */
  overflow: hidden;
}

/* 文本展开按钮 */
.expand-text-btn {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid #f0f0f0;
  display: flex;
  justify-content: center;
}

.expand-text-link {
  color: #667eea;
  cursor: pointer;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
  background: rgba(102, 126, 234, 0.08);
}

.expand-text-link:hover {
  background: rgba(102, 126, 234, 0.15);
  color: #5a67d8;
}

.expand-icon {
  transition: transform 0.3s ease;
}

.expand-icon.expanded {
  transform: rotate(180deg);
}

/* 帖子图片位置 */
.post-image-container {
  margin-top: 10px;
  border-radius: 8px;
  overflow: hidden;
  background-color: #f9f9f9;
  /* 背景色防止空白 */
}

.post-image {
  width: 400px;
  height: 300px;
  text-align: center;
  margin: 15px 0;
}

.post-image img {
  max-width: 100%;
  /* 不超过容器宽度 */
  height: auto;
  /* 自动计算高度，保持比例 */
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid #e8e8e8;
  display: block;
  margin: 10px auto;
  transition: all 0.3s ease;
}

.post-image img:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* ========== 图片样式 ========== */
.post-image-container {
  margin: 12px 0;
  border-radius: 12px;
  overflow: hidden;
  background: #f8f9fa;
  border: 1px solid #e9ecef;
}

/* 图片包装容器 */
.image-wrapper {
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

/* 收起时的图片大小 */
.image-wrapper.collapsed .post-image img {
  max-width: 100%;
  max-height: 300px;
  object-fit: cover;
  cursor: zoom-in;
}

.image-wrapper.collapsed::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top,
      rgba(248, 249, 250, 0.95) 0%,
      rgba(248, 249, 250, 0.6) 50%,
      transparent 100%);
  pointer-events: none;
}

/* 图片内容 */
.post-image {
  text-align: center;
  padding: 10px;
}

/* 展开时的图片大小控制 */
.image-wrapper:not(.collapsed) .post-image img {
  /* 根据容器宽度自适应，但不超过90%容器宽度 */
  max-width: min(90%, 800px);

  /* 限制最大高度，但确保不会太小 */
  max-height: min(80vh, 700px);

  /* 最小尺寸确保小图片清晰 */
  min-width: 200px;
  min-height: 150px;

  /* 布局设置 */
  width: auto;
  height: auto;
  display: block;
  margin: 15px auto;

  /* 视觉效果 */
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  border: 1px solid #e0e0e0;

  /* 鼠标交互 */
  cursor: zoom-out;
}

/* 确保图片不会过大 */
.post-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  border: 1px solid #e8e8e8;
  display: block;
  margin: 0 auto;
  transition: all 0.3s ease;
  background: white;
  object-fit: contain;
}

/* 图片遮罩层 */
.image-mask {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top,
      rgba(248, 249, 250, 0.9) 0%,
      transparent 100%);
  pointer-events: none;
}

/* 图片展开按钮 */
.expand-image-btn {
  text-align: center;
  padding: 12px 0;
  background: linear-gradient(to top,
      rgb(73, 137, 201) 0%,
      rgba(248, 249, 250, 0.8) 100%);
  margin-top: -40px;
  position: relative;
  z-index: 2;
}

.expand-btn {
  background: white;
  border: 1px solid #667eea;
  border-radius: 20px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #667eea;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(102, 126, 234, 0.2);
}

.expand-btn:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* ========== 动画效果 ========== */
.image-wrapper {
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 平滑展开动画 */
.image-wrapper:not(.collapsed) {
  animation: expandHeight 0.5s ease;
}

@keyframes expandHeight {
  from {
    max-height: 350px;
  }

  to {
    max-height: 1000px;
  }
}

/* ========== 响应式调整 ========== */
@media (max-width: 768px) {
  .image-wrapper.collapsed {
    max-height: 250px;
  }

  .post-image img {
    max-width: 95%;
  }

  .expand-btn {
    padding: 6px 16px;
    font-size: 13px;
  }
}

/* 小屏幕设备 */
@media (max-width: 480px) {
  .image-wrapper.collapsed {
    max-height: 200px;
  }

  .post-text.collapsed {
    max-height: 4em;
    /* 约2.5行 */
  }
}

/* 加载状态 */
.post-image-container {
  margin-top: 12px;
}

.post-image-container img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 4px 0;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.post-image-container img:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 图片网格布局 - 微信9宫格样式 */
.image-grid {
  display: grid;
  gap: 4px;
  margin-top: 12px;
  width: 100%;
  max-width: 400px;
}

.grid-1 {
  grid-template-columns: 1fr;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3,
.grid-4,
.grid-5,
.grid-6,
.grid-7,
.grid-8,
.grid-9 {
  grid-template-columns: repeat(3, 1fr);
}

.image-item {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  background: #f5f5f5;
}

.image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 强制统一图片大小 */
.image-wrapper img {
  width: 100% !important;
  height: 100% !important;
  min-width: 100%;
  min-height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: cover !important;
  object-position: center;
  flex-shrink: 0;
}

.image-item:hover img {
  transform: scale(1.05);
}

.image-count {
  background: rgba(0, 0, 0, 0.5);
  color: white;
  padding: 4px 8px;
  border-radius: 10px;
  font-size: 12px;
}

.image-item:hover .image-count {
  opacity: 1;
  transform: translateY(0);
}

/* 微信风格图片预览样式 */
.clickable-image {
    cursor: pointer;
    transition: opacity 0.2s;
}

.clickable-image:hover {
    opacity: 0.8;
}

#image-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 新的图片预览模态框样式 */
.image-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    flex-direction: column;
}

.preview-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    background: rgba(0, 0, 0, 0.3);
    z-index: 10001;
}

.preview-count {
    color: white;
    font-size: 16px;
}

.preview-close {
    color: white;
    font-size: 24px;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background 0.2s;
}

.preview-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.preview-content {
    flex: 1;
    width: 100%;
    overflow: hidden;
    position: relative;
    margin-top: 50px;
}

.preview-wrapper {
    display: flex;
    height: 100%;
    transition: transform 0.3s ease;
}

.preview-item {
    min-width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.preview-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.preview-indicator {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10001;
}

.preview-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s;
}

.preview-dot.active {
    background: white;
    transform: scale(1.2);
}

/* 预览左右箭头 */
.preview-arrow {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    cursor: pointer;
    z-index: 10002;
    transition: all 0.3s ease;
}

.preview-arrow:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.1);
}

.preview-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.preview-arrow-left {
    left: 20px;
}

.preview-arrow-right {
    right: 20px;
}

.image-preview-counter {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 14px;
    background: rgba(0, 0, 0, 0.5);
    padding: 6px 16px;
    border-radius: 20px;
    z-index: 10001;
}

/* 加载状态 */
.loading {
  text-align: center;
  padding: 20px;
  color: #6c757d;
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: #2c7be5;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 添加富文本编辑器的样式 */
/* 添加富文本编辑器的样式 */
#editor—wrapper {
  border: 1px solid #ccc;
  z-index: 100;
}

#toolbar-container {
  border-bottom: 1px solid #ccc;
}

#editor-container {
  flex: 1;
  border: 2px solid #e9ecef;
  resize: none;
  outline: none;
  font-size: 1.25rem;
  padding: 1rem;
  min-height: 100px;
  line-height: 1.5;
  border-radius: 12px;
  background-color: white;
  transition: all 0.3s ease;
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

#editor-container img {
  max-width: 200px;
  height: 200px;
}

#editor-container .w-e-editor {
  height: 300px;
  overflow-y: auto;
  min-height: 200px;
}

#editor-container .w-e-toolbar {
  display: flex;
  flex-wrap: wrap;
  background-color: #f8f9fa;
  padding: 5px;
  border-bottom: 1px solid #ddd;
}

#editor-container .w-e-menu {
  padding: 5px 10px;
  cursor: pointer;
  font-size: 14px;
  color: #333;
  transition: all 0.2s;
}

#editor-container .w-e-menu:hover {
  background-color: #e9ecef;
  border-radius: 4px;
}

#editor-container .w-e-text-container {
  padding: 10px;
  min-height: 150px;
}

#editor-container .w-e-text {
  outline: none;
  min-height: 120px;
}

#toolbar-container {
  margin-bottom: 1rem;
}

#toolbar-container .w-e-toolbar {
  display: flex;
  flex-wrap: wrap;
  background-color: #f8f9fa;
  padding: 5px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

#toolbar-container .w-e-menu {
  padding: 5px 10px;
  cursor: pointer;
  font-size: 14px;
  color: #333;
  transition: all 0.2s;
}

#toolbar-container .w-e-menu:hover {
  background-color: #e9ecef;
  border-radius: 4px;
}