/**
 * Moments CSS - 动态样式
 * 
 * @version 1.0.0
 * @date 2025-01-26
 */

/* ==================== 全新动态布局 ==================== */

.moments-header {
  margin: -8px -16px 12px -16px;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
}

.moments-header-cover {
  min-height: 240px;
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 16px;
  color: var(--text-on-primary);
}

.moments-header-info {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.moments-header-left {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.moments-header-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.moments-header-name {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-on-primary);
  line-height: 1.2;
}

.moments-header-signature {
  font-size: var(--font-size-sm);
  opacity: 0.85;
  color: var(--text-on-primary);
}

.moments-header-avatar {
  width: 68px;
  height: 68px;
  flex-shrink: 0;
  border-radius: 20%;
  overflow: hidden;
  border: none;
  background: rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(var(--accent-color-rgb), 0.25);
}

.moments-header-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moments-header-avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-on-primary);
}

.moments-header-avatar-placeholder svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.moments-header-top-right {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.moments-header-mask {
  font-size: var(--font-size-xs);
  opacity: 0.9;
  color: var(--text-on-primary);
  padding: 2px 8px;
  background: rgba(0,0,0,0.4);
  border-radius: 10px;
  font-weight: 500;
  white-space: nowrap;
}

.moments-header-edit {
  background: rgba(0,0,0,0.35);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.moments-feed {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding-bottom: 50px; /* 🔥🔥🔥 最关键！解决滚动回弹问题！ */
}

.moments-card {
  background: transparent;
  border: none;
  border-radius: 16px;
  padding: 12px 12px 12px 8px;
  box-shadow: none;
  position: relative;
  transition: all var(--transition-fast);
}

.moments-card:hover {
  background: transparent;
  transform: none;
  box-shadow: none;
  border: none;
}

.moments-card:active {
  transform: none;
  box-shadow: none;
}

/* 夜间模式：卡片背景使用全局背景色 */
[data-theme="dark"] .moments-card {
  background: transparent;
  border: none;
}

[data-theme="dark"] .moments-card:hover {
  background: transparent;
  border: none;
}

.moments-card:not(:last-child)::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  width: 100vw;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--brand-primary) 50%,
    transparent 100%);
  opacity: 0.3;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.moments-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding-top: 4px;
}

.moments-card-avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--border-light);
  background: var(--bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.moments-card-avatar:hover {
  border-color: var(--brand-primary);
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(var(--accent-color-rgb), 0.2);
}

.moments-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moments-card-meta {
  flex: 1;
  min-width: 0;
  margin-top: 0;
  align-self: flex-start;
  padding-top: 4px;
}

.moments-card-name {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--brand-primary);
}

.moments-card-signature {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: 2px;
}

.moments-card-time {
  font-size: var(--font-size-xs-md);
  color: var(--text-secondary);
  padding-top: 4px;
}

.moments-card-text {
  margin-top: -12px;
  margin-left: 58px; /* 与名字对齐：头像44px + gap 10px + 左边距增加4px */
  line-height: 1.6;
  color: var(--text-primary);
}

.moments-card-text br {
  content: '';
  display: block;
  margin-bottom: 4px;
}

.moments-card-media {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  margin-left: 58px; /* 与名字对齐：头像44px + gap 10px + 左边距增加4px */
}

.moments-card-media.single {
  grid-template-columns: 1fr;
}

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

.moments-card-media.multiple {
  grid-template-columns: repeat(3, 1fr);
}

.moments-card-media-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-muted);
  aspect-ratio: 1;
  width: 100%;
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.moments-card-media-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-primary);
}

.moments-card-media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.moments-card-media-item:hover img {
  transform: scale(1.05);
}

.moments-card-media-item.placeholder {
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.media-refresh {
  position: absolute;
  bottom: 8px;
  right: 8px;
  border: none;
  background: rgba(0,0,0,0.45);
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.moments-card-location {
  margin-top: 10px;
  margin-left: 58px; /* 与名字对齐：头像44px + gap 10px + 左边距增加4px */
  font-size: var(--font-size-sm);
  color: var(--brand-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.moments-card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
  margin-top: 12px;
  margin-left: 58px; /* 与名字对齐：头像44px + gap 10px + 左边距增加4px */
}

.moments-card-actions button {
  border: none;
  background: none;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-md);
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.moments-card-actions button:hover {
  background: none;
  color: var(--brand-primary);
  transform: none;
}

.moments-card-actions button:active {
  transform: scale(0.95);
}

.moments-card-actions button.active {
  color: var(--brand-primary);
  background: none;
}

.moments-card-actions button.active i {
  color: var(--brand-primary);
}

/* 统一的点赞和评论容器 */
.moments-card-interactions {
  margin-top: 8px;
  margin-left: 58px; /* 与名字对齐：头像44px + gap 10px + 左边距增加4px */
  background: var(--bg-input);
  border-radius: 10px;
  padding: 10px 12px;
}

/* 夜间模式：点赞和评论背景使用卡片背景色 */
[data-theme="dark"] .moments-card-interactions {
  background: var(--bg-card);
}

.moments-card-likes {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-md);
}

.moments-card-likes i,
.moments-card-likes span {
  color: var(--brand-primary);
  font-size: var(--font-size-md);
}

.moments-card-comments .moments-card-comment {
  font-size: var(--font-size-md);
  line-height: 1.5;
}

.moments-card-comment .comment-name {
  color: var(--brand-primary);
  font-weight: 600;
}

/* 点赞和评论之间的分割线 */
.moments-interaction-divider {
  height: 1px;
  background: var(--border-light);
  margin: 8px 0;
}

.moments-profile-header {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-card);
}

.moments-profile-body {
  display: flex;
  align-items: center;
  gap: 12px;
}

.moments-profile-avatar {
  width: 62px;
  height: 62px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.moments-profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moments-profile-avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.moments-profile-avatar-placeholder svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.moments-profile-meta {
  flex: 1;
}

.moments-profile-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.moments-profile-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}


.moments-composer-type {
  display: inline-flex;
  gap: 8px;
}

.moments-composer-type button {
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: 20px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.moments-composer-type button:hover {
  background: var(--bg-hover);
  border-color: var(--brand-primary);
}

.moments-composer-type button.active {
  background: var(--brand-primary);
  color: var(--text-on-primary);
  border-color: var(--brand-primary);
}

.moments-composer-upload {
  margin-bottom: 12px;
}

.moments-upload-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px dashed var(--border-color);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.moments-upload-btn:hover {
  border-color: var(--brand-primary);
  color: var(--text-primary);
}

.moments-upload-btn input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.moment-composer-media-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.moment-composer-media-item {
  display: flex;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  position: relative;
}

.moment-composer-media-item .media-preview {
  width: 70px;
  height: 70px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--text-secondary);
}

.moment-composer-media-item .media-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moment-composer-media-item .media-fields {
  flex: 1;
}

.moment-composer-media-item .media-remove {
  position: absolute;
  top: 6px;
  right: 6px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.moment-composer-media-item .face-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.moment-composer-media-item.show-face-toggle .face-toggle {
  display: inline-flex;
}

/* ==================== 旧版动态样式（保留兼容） ==================== */

.moments-list {
  display: flex;
  flex-direction: column;
  padding-bottom: 30px; /* 🔥🔥🔥 最关键！解决滚动回弹问题！ */
  gap: 0;
}

.moment-item {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  padding: 16px;
  transition: background-color var(--transition-fast);
}

.moment-item:active {
  background: var(--bg-hover);
}

/* 动态作者信息 */
.moment-header {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.moment-avatar {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--brand-primary);
  color: var(--text-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--nav-title-font-size);
  margin-right: 12px;
  flex-shrink: 0;
  overflow: hidden;
}

.moment-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.moment-author-info {
  flex: 1;
  min-width: 0;
}

.moment-author-name {
  font-size: var(--font-size-base-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.moment-time {
  font-size: var(--font-size-xs-md);
  color: var(--text-secondary);
}

/* 动态内容 */
.moment-content {
  margin-bottom: 12px;
  line-height: 1.6;
  color: var(--text-primary);
  word-wrap: break-word;
}

/* 动态图片 */
.moment-images {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.moment-images.single {
  grid-template-columns: 1fr;
  max-width: 250px;
}

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

.moment-images.multiple {
  grid-template-columns: repeat(3, 1fr);
}

.moment-image {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  object-fit: cover;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.moment-image:active {
  opacity: 0.8;
}

/* 动态位置 */
.moment-location {
  font-size: var(--font-size-sm);
  color: var(--brand-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.moment-location i {
  font-size: var(--font-size-xs-md);
}

/* 动态操作栏 */
.moment-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}

.moment-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--font-size-md);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.moment-action-btn:active {
  color: var(--brand-primary);
}

.moment-action-btn.liked {
  color: var(--brand-primary);
}

.moment-action-btn i {
  font-size: var(--font-size-base-lg);
}

/* 点赞列表 */
.moment-likes {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--bg-input);
  border-radius: 6px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.moment-likes i {
  color: var(--brand-primary);
}

.moment-likes-list {
  color: var(--brand-primary);
}

/* 评论列表 */
.moment-comments {
  margin-top: 8px;
  background: var(--bg-input);
  border-radius: 6px;
  padding: 8px 12px;
}

.moment-comment {
  padding: 6px 0;
  font-size: var(--font-size-md);
  line-height: 1.5;
}

.moment-comment:not(:last-child) {
  border-bottom: 1px solid var(--border-light);
}

.moment-comment-author {
  color: var(--brand-primary);
  font-weight: 500;
  margin-right: 4px;
}

.moment-comment-content {
  color: var(--text-primary);
}

.moment-comment-time {
  color: var(--text-secondary);
  font-size: var(--font-size-xs-md);
  margin-top: 4px;
}

/* ==================== 动态详情弹窗 ==================== */

.moment-detail-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.moment-detail-content {
  background: var(--bg-card);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  padding: 20px;
}

.moment-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.moment-detail-title {
  font-size: var(--nav-title-font-size);
  font-weight: 600;
  color: var(--text-primary);
}

.moment-detail-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-input);
  border: none;
  color: var(--text-secondary);
  font-size: var(--nav-title-font-size);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.moment-detail-close:active {
  background: var(--bg-hover);
}

/* 评论输入 */
.moment-comment-input {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.moment-comment-textarea {
  flex: 1;
  min-height: 40px;
  max-height: 120px;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  resize: vertical;
  font-family: inherit;
}

.moment-comment-textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
}

.moment-comment-send {
  padding: 10px 20px;
  background: var(--brand-primary);
  color: var(--text-on-primary);
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-md);
  font-weight: 500;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.moment-comment-send:active {
  opacity: 0.8;
}

.moment-comment-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==================== 发布动态按钮 ==================== */

.moments-fab {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: var(--text-on-primary);
  border: none;
  font-size: var(--font-size-2xl);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
  z-index: 100;
}

.moments-fab:active {
  transform: scale(0.95);
}

/* ==================== 空状态 ==================== */

.moments-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-secondary);
  text-align: center;
}

.moments-empty i {
  font-size: var(--icon-size);
  margin-bottom: 16px;
  opacity: 0.3;
}

.moments-empty-text {
  font-size: var(--font-size-base-lg);
  margin-bottom: 8px;
}

.moments-empty-hint {
  font-size: var(--font-size-md);
  opacity: 0.7;
}

/* ==================== 加载状态 ==================== */

.moments-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-secondary);
}

.moments-loading i {
  font-size: var(--font-size-2xl);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ==================== 响应式 ==================== */

@media (max-width: 414px) {
  .moment-item {
    padding: 12px;
  }
  
  .moment-avatar {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-base-lg);
  }
  
  .moment-author-name {
    font-size: var(--font-size-base);
  }
  
  .moment-content {
    font-size: var(--font-size-md);
  }
}