.chat-page {
  display: flex;
  height: 100%;
  gap: 16px;

  // 独立窗口模式 - EchoTrace 特色风格（使用主题变量）
  &.standalone {
    height: 100vh;
    gap: 0;
    background: var(--bg-gradient);

    .session-sidebar {
      flex: none;
      background: var(--card-bg);
      border-radius: 0;
      border-right: 1px solid var(--border-color);
      -webkit-app-region: no-drag;
      backdrop-filter: blur(20px);

      .session-header {
        padding-top: 38px;
        padding-bottom: 12px;
        padding-left: 16px;
        padding-right: 16px;
        background: transparent;
        -webkit-app-region: drag;

        h2 {
          display: none;
        }

        .header-actions {
          display: none;
        }

        .search-row {
          display: flex;
          align-items: center;
          gap: 8px;
          -webkit-app-region: no-drag;
          min-width: 0;
        }

        .search-box {
          flex: 1;
          min-width: 0;
          background: var(--bg-tertiary);
          border: 1px solid var(--border-color);
          border-radius: 10px;
          padding: 8px 12px;
          display: flex;
          align-items: center;
          gap: 8px;
          transition: all 0.2s;

          &:focus-within {
            background: var(--bg-hover);
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-light);
          }

          input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            color: var(--text-primary);
            font-size: 13px;

            &::placeholder {
              color: var(--text-tertiary);
            }
          }

          svg {
            color: var(--text-tertiary);
            flex-shrink: 0;
          }

          .close-search {
            width: 18px;
            height: 18px;
            padding: 0;
            border: none;
            background: var(--bg-hover);
            border-radius: 50%;
            color: var(--text-secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;

            &:hover {
              background: var(--border-color);
              color: var(--text-primary);
            }
          }
        }

        .refresh-btn {
          width: 32px;
          height: 32px;
          padding: 0;
          border: none;
          background: var(--bg-tertiary);
          border-radius: 8px;
          color: var(--text-secondary);
          cursor: pointer;
          display: flex;
          align-items: center;
          justify-content: center;
          flex-shrink: 0;
          transition: all 0.2s;

          &:hover {
            background: var(--bg-hover);
            color: var(--text-primary);
          }

          &:disabled {
            opacity: 0.4;
            cursor: not-allowed;
          }

          .spin {
            animation: spin 1s linear infinite;
          }
        }
      }

      .session-list {
        background: transparent;
      }

      .session-item {
        border-bottom: 1px solid var(--border-color);
        padding: 12px 16px;
        transition: all 0.2s;

        &:hover {
          background: var(--bg-hover);
        }

        &.active {
          background: var(--primary-light);
          border-left: 3px solid var(--primary);
          padding-left: 13px;
        }

        .session-name {
          color: var(--text-primary);
          font-size: 14px;
          font-weight: 500;
        }

        .session-time {
          color: var(--text-tertiary);
          font-size: 11px;
        }

        .session-summary {
          color: var(--text-secondary);
          font-size: 12px;
        }
      }

      .session-avatar {
        border-radius: 50%;
        width: 44px !important;
        height: 44px !important;
      }

      .unread-badge {
        background: var(--primary-gradient);
        box-shadow: 0 2px 8px var(--primary-light);
      }

      .connection-error {
        background: rgba(220, 53, 69, 0.08);
        border: 1px solid rgba(220, 53, 69, 0.2);
        margin: 8px 16px;
        border-radius: 10px;

        svg,
        span {
          color: var(--danger);
        }

        button {
          background: var(--danger);
          border-radius: 6px;
        }
      }

      .empty-sessions {
        color: var(--text-tertiary);

        svg {
          color: var(--text-tertiary);
          opacity: 0.5;
        }
      }

      .skeleton-item {
        .skeleton-avatar {
          width: 44px;
          height: 44px;
          border-radius: 50%;
          background: var(--bg-tertiary);
        }

        .skeleton-content .skeleton-line {
          background: var(--bg-tertiary);
        }
      }

      .loading-sessions {
        background: transparent;
      }

      .session-list {
        &::-webkit-scrollbar {
          width: 6px;
        }

        &::-webkit-scrollbar-track {
          background: transparent;
        }

        &::-webkit-scrollbar-thumb {
          background: var(--text-tertiary);
          opacity: 0.3;
          border-radius: 3px;

          &:hover {
            opacity: 0.5;
          }
        }
      }
    }

    .message-area {
      border-radius: 0;
      background: var(--bg-secondary);
      -webkit-app-region: no-drag;

      .message-header {
        height: auto;
        padding: 0 24px;
        padding-top: 38px;
        padding-bottom: 12px;
        background: var(--card-bg);
        border-bottom: 1px solid var(--border-color);
        -webkit-app-region: drag;
        backdrop-filter: blur(10px);

        .session-avatar {
          width: 36px;
          height: 36px;
          border-radius: 50%;
          -webkit-app-region: no-drag;
        }

        .header-info {
          -webkit-app-region: no-drag;

          h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
          }

          .header-subtitle {
            font-size: 11px;
            color: var(--text-tertiary);
            margin-top: 2px;
          }
        }

        .header-actions {
          display: flex;
          align-items: center;
          gap: 8px;
          -webkit-app-region: no-drag;

          .icon-btn {
            width: 34px;
            height: 34px;
            border: none;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all 0.2s;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);

            &:hover {
              background: var(--bg-hover);
              color: var(--text-primary);
              box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
            }

            &.active {
              background: var(--primary);
              color: #fff;
            }

            &:disabled {
              opacity: 0.5;
              cursor: not-allowed;
            }

            .spin {
              animation: spin 1s linear infinite;
            }
          }
        }
      }

      .message-content-wrapper {
        flex: 1;
        display: flex;
        overflow: hidden;
      }

      .message-list {
        flex: 1;
        background: var(--chat-pattern);
        background-color: var(--bg-secondary);
        padding: 20px 24px;

        &::-webkit-scrollbar {
          width: 6px;
        }

        &::-webkit-scrollbar-track {
          background: transparent;
        }

        &::-webkit-scrollbar-thumb {
          background: var(--text-tertiary);
          opacity: 0.3;
          border-radius: 3px;

          &:hover {
            opacity: 0.5;
          }
        }

        .scroll-to-bottom {
          background: var(--primary);
          border: none;
          color: #fff;
          box-shadow: 0 4px 15px var(--primary-light);

          &:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 20px var(--primary-light);
          }
        }
      }

      .message-wrapper {
        margin-bottom: 16px;
      }

      .message-bubble {
        max-width: 65%;

        &.sent {
          .bubble-content {
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 18px 18px 4px 18px;
            padding: 10px 14px;
            font-size: 14px;
            line-height: 1.5;
            box-shadow: 0 2px 10px var(--primary-light);
          }
        }

        &.received {
          .bubble-content {
            background: var(--card-bg);
            color: var(--text-primary);
            border-radius: 18px 18px 18px 4px;
            padding: 10px 14px;
            font-size: 14px;
            line-height: 1.5;
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-color);
          }
        }

        &.system {
          max-width: 100%;

          .bubble-content {
            background: transparent;
            color: var(--text-tertiary);
            font-size: 12px;
            padding: 4px 0;
          }
        }

        &.emoji {
          .bubble-content {
            background: transparent !important;
            padding: 0;
            box-shadow: none;
            border: none;
          }
        }
      }

      .bubble-avatar {
        width: 36px;
        height: 36px;
        border-radius: 50%;
      }

      .sender-name {
        font-size: 12px;
        color: var(--text-secondary);
        margin-bottom: 4px;
      }

      .quoted-message {
        background: var(--bg-tertiary);
        border-left: 2px solid var(--primary);
        padding: 6px 10px;
        margin-bottom: 8px;
        border-radius: 4px;
        font-size: 12px;

        .quoted-sender {
          color: var(--primary);
        }

        .quoted-text {
          color: var(--text-secondary);
        }
      }

      .time-divider,
      .date-divider {
        span {
          font-size: 11px;
          color: var(--text-tertiary);
        }
      }

      .date-divider span {
        background: var(--bg-tertiary);
        padding: 4px 12px;
        border-radius: 12px;
      }

      .load-more-trigger {
        color: var(--text-tertiary);
        font-size: 12px;
      }

      .empty-chat {
        color: var(--text-tertiary);

        svg {
          color: var(--text-tertiary);
          opacity: 0.4;
        }
      }

      .loading-messages {
        color: var(--text-tertiary);
      }
    }

    .resize-handle {
      width: 4px;
      margin-left: -2px;
      margin-right: -2px;
      background: transparent;
      cursor: col-resize;
      -webkit-app-region: no-drag;
      transition: background 0.2s;
      position: relative;
      z-index: 10;

      &:hover {
        background: var(--primary);
        opacity: 0.4;
      }
    }

    &.resizing .resize-handle {
      background: var(--primary);
    }
  }
}

// 左侧会话列表
.session-sidebar {
  flex: 0 0 30%;
  min-width: 280px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-radius: 16px;
  overflow: hidden;
}

.session-header {
  padding: 16px 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;

  h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
    white-space: nowrap;
  }

  .header-actions {
    display: flex;
    gap: 4px;
  }

  .icon-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);

    &:hover {
      background: var(--bg-hover);
    }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    .spin {
      animation: spin 1s linear infinite;
    }
  }

  .search-row {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
  }

  .search-box {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: 8px;
    animation: searchExpand 0.25s ease-out;
    min-width: 0;

    svg {
      color: var(--text-tertiary);
      flex-shrink: 0;
    }

    input {
      flex: 1;
      border: none;
      background: transparent;
      outline: none;
      font-size: 14px;
      color: var(--text-primary);
      min-width: 0;

      &::placeholder {
        color: var(--text-tertiary);
      }
    }

    .close-search {
      width: 20px;
      height: 20px;
      border: none;
      background: var(--bg-tertiary);
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-tertiary);
      flex-shrink: 0;

      &:hover {
        background: var(--border-color);
        color: var(--text-primary);
      }
    }
  }
}

@keyframes searchExpand {
  from {
    opacity: 0;
    transform: scaleX(0.8);
    transform-origin: right center;
  }

  to {
    opacity: 1;
    transform: scaleX(1);
    transform-origin: right center;
  }
}

.session-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;

  // 滚动条样式
  &::-webkit-scrollbar {
    width: 8px;
  }

  &::-webkit-scrollbar-track {
    background: transparent;
  }

  &::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;

    &:hover {
      background: rgba(0, 0, 0, 0.3);
    }
  }
}

.session-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid var(--border-color);

  &:last-child {
    border-bottom: none;
  }

  &:hover {
    background: var(--bg-hover);
  }

  &.active {
    background: var(--primary-light);
  }
}

.session-avatar {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;

  img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s ease;

    &.loaded {
      opacity: 1;
    }
  }

  .avatar-letter {
    color: white;
    font-size: 18px;
    font-weight: 600;
  }

  .avatar-skeleton {
    position: absolute;
    inset: 0;
    background: var(--bg-tertiary);
    animation: pulse 1.5s infinite;
  }

  &.group {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  }

  &.loading {
    background: var(--bg-tertiary);
    animation: pulse 1.5s infinite;
  }
}

.session-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.session-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.session-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.session-time {
  font-size: 12px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.session-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.session-summary {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.unread-badge {
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: #f56c6c;
  color: white;
  font-size: 11px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

// 右侧消息区域
.message-area {
  flex: 1 1 70%;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--bg-secondary);
  border-radius: 16px;
  overflow: hidden;
  -webkit-app-region: no-drag;
}

.message-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);

  .session-avatar {
    width: 40px;
    height: 40px;
  }

  .header-info {
    flex: 1;

    h3 {
      font-size: 16px;
      font-weight: 600;
      margin: 0;
      color: var(--text-primary);
    }

    .header-subtitle {
      font-size: 12px;
      color: var(--text-tertiary);
      margin-top: 2px;
    }
  }

  .refresh-messages-btn {
    .spin {
      animation: spin 1s linear infinite;
    }
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .icon-btn {
    width: 34px;
    height: 34px;
    border: none;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);

    &:hover {
      background: var(--bg-hover);
      color: var(--text-primary);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    }

    &.active {
      background: var(--primary);
      color: #fff;
    }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }
  }
}

.message-content-wrapper {
  flex: 1;
  display: flex;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  -webkit-app-region: no-drag;
  position: relative;

  &.loading .message-list {
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
  }

  &.loaded .message-list {
    opacity: 1;
    transform: translateY(0);
  }

  &.loaded .loading-overlay {
    opacity: 0;
    pointer-events: none;
  }
}

.message-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--chat-pattern);
  background-color: var(--bg-tertiary);
  position: relative;
  -webkit-app-region: no-drag !important;
  transition: opacity 240ms ease, transform 240ms ease;

  // 滚动条样式
  &::-webkit-scrollbar {
    width: 8px;
  }

  &::-webkit-scrollbar-track {
    background: transparent;
  }

  &::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;

    &:hover {
      background: rgba(0, 0, 0, 0.3);
    }
  }
}

.loading-messages.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(10, 10, 10, 0.28);
  backdrop-filter: blur(6px);
  transition: opacity 200ms ease;
  z-index: 2;
}

.message-list * {
  -webkit-app-region: no-drag !important;
}

// 回到底部按钮
.scroll-to-bottom {
  position: sticky;
  bottom: 20px;
  align-self: center;
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 13px;
  z-index: 10;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.3s ease;

  &.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  &:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
}

// 拖动调节条
.resize-handle {
  width: 4px;
  cursor: col-resize;
  background: transparent;
  transition: background 0.2s;
  flex-shrink: 0;

  &:hover {
    background: var(--primary);
  }
}

// 拖动时禁用选择
.chat-page.resizing {
  user-select: none;

  .resize-handle {
    background: var(--primary);
  }
}

// 消息包裹器 - 控制整行对齐
.message-wrapper {
  display: flex;
  flex-direction: column;
  -webkit-app-region: no-drag;

  &.sent {
    align-items: flex-end;
  }

  &.received {
    align-items: flex-start;
  }

  &.system {
    align-items: center;
  }
}

.message-wrapper.new-message {
  animation: messagePop 0.35s ease-out;
}

@keyframes messagePop {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

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

.load-more-trigger {
  text-align: center;
  padding: 12px;
  color: var(--text-tertiary);
  font-size: 13px;

  &.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }
}

// 消息气泡
.message-bubble {
  display: flex;
  gap: 10px;
  max-width: 70%;
  align-items: flex-start;
  -webkit-app-region: no-drag;

  // 自己发送的消息 - 右侧绿色
  &.sent {
    flex-direction: row-reverse;

    .bubble-content {
      background: var(--primary);
      color: white;
      border-radius: 18px 18px 4px 18px;
    }
  }

  // 对方发送的消息 - 左侧白色
  &.received {
    .bubble-content {
      background: var(--bg-secondary);
      color: var(--text-primary);
      border-radius: 18px 18px 18px 4px;
    }
  }

  &.system {
    max-width: 85%;

    .bubble-avatar {
      display: none;
    }

    .bubble-body {
      width: 100%;
    }

    .bubble-content {
      background: rgba(0, 0, 0, 0.04);
      color: var(--text-tertiary);
      font-size: 12px;
      text-align: center;
      padding: 8px 16px;
      border-radius: 16px;
    }
  }
}

.bubble-avatar {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;

  img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .avatar-letter {
    font-size: 14px;
    font-weight: 600;
    color: white;
  }
}

.bubble-content {
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
  white-space: pre-wrap;
}

// 表情包消息
.message-bubble.emoji {
  .bubble-content {
    background: transparent;
    padding: 0;
  }
}

.emoji-image {
  max-width: 120px;
  max-height: 120px;
  min-width: 48px;
  min-height: 48px;
  border-radius: 8px;
  object-fit: contain;
}

.emoji-loading {
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-tertiary);

  .spin {
    animation: spin 1s linear infinite;
  }
}

.emoji-unavailable {
  width: 100px;
  height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  color: var(--text-quaternary);

  svg {
    opacity: 0.5;
  }

  span {
    font-size: 10px;
    opacity: 0.7;
  }
}

// 图片消息
.message-bubble.image {
  .bubble-content {
    background: transparent;
    padding: 0;
  }
}

.image-message {
  max-width: 260px;
  max-height: 220px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  -webkit-app-region: no-drag;
}

.image-message-wrapper {
  position: relative;
  display: inline-block;
  -webkit-app-region: no-drag;
}

.image-update-button {
  position: absolute;
  right: 8px;
  top: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
  -webkit-app-region: no-drag;
}

.image-update-button:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

.image-loading,
.image-unavailable {
  width: 160px;
  height: 120px;
  border-radius: 10px;
  background: var(--bg-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-tertiary);
  font-size: 12px;

  .spin {
    animation: spin 1s linear infinite;
  }
}

.image-unavailable {
  border: none;
  cursor: pointer;
  background: var(--bg-tertiary);
  text-align: center;
  -webkit-app-region: no-drag;
  transition: transform 0.15s ease, box-shadow 0.15s ease;

  svg {
    opacity: 0.6;
  }
}

.image-unavailable.clicked {
  transform: scale(0.98);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.image-unavailable:disabled {
  cursor: default;
  opacity: 0.7;
}

.image-action {
  font-size: 11px;
  color: var(--text-quaternary);
}

.image-preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;

  img {
    max-width: 88vw;
    max-height: 88vh;
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  }
}

.image-preview-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  cursor: pointer;
}

// 语音消息
.voice-message {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.04);
  min-width: 140px;
  cursor: pointer;
}

.message-bubble.sent .voice-message {
  background: rgba(255, 255, 255, 0.18);
}

.voice-play-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.voice-message.playing .voice-play-btn {
  box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.06);
}

.voice-wave {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 18px;

  span {
    width: 3px;
    height: 8px;
    border-radius: 2px;
    background: var(--text-tertiary);
    opacity: 0.6;
  }
}

.voice-message.playing .voice-wave span {
  animation: voicePulse 0.9s ease-in-out infinite;
}

.voice-message.playing .voice-wave span:nth-child(2) {
  animation-delay: 0.1s;
}

.voice-message.playing .voice-wave span:nth-child(3) {
  animation-delay: 0.2s;
}

.voice-message.playing .voice-wave span:nth-child(4) {
  animation-delay: 0.3s;
}

.voice-message.playing .voice-wave span:nth-child(5) {
  animation-delay: 0.4s;
}

.voice-hint {
  font-size: 12px;
  color: var(--text-quaternary);
}

.voice-info {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.voice-label {
  font-weight: 600;
  color: var(--text-primary);
}

.voice-duration {
  color: var(--text-tertiary);
}

.voice-loading,
.voice-error {
  font-size: 12px;
  color: var(--text-tertiary);
}

.voice-error {
  color: #d9480f;
}

@keyframes voicePulse {
  0% {
    height: 6px;
    opacity: 0.5;
  }

  50% {
    height: 16px;
    opacity: 1;
  }

  100% {
    height: 6px;
    opacity: 0.5;
  }
}

// 群聊发送者名称
.sender-name {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

// 引用消息样式
.quoted-message {
  background: rgba(0, 0, 0, 0.04);
  border-left: 2px solid var(--primary);
  padding: 6px 10px;
  margin-bottom: 8px;
  border-radius: 4px;
  font-size: 13px;

  .quoted-sender {
    color: var(--primary);
    font-weight: 500;
    margin-right: 4px;

    &::after {
      content: ':';
    }
  }

  .quoted-text {
    color: var(--text-secondary);
    white-space: pre-wrap;
  }
}

// 自己发送的消息中的引用样式
.message-bubble.sent .quoted-message {
  background: rgba(255, 255, 255, 0.15);
  border-left-color: rgba(255, 255, 255, 0.5);

  .quoted-sender {
    color: rgba(255, 255, 255, 0.9);
  }

  .quoted-text {
    color: rgba(255, 255, 255, 0.8);
  }
}



// 气泡内容区域（包含名字和内容）
.bubble-body {
  display: flex;
  flex-direction: column;
  max-width: 100%;
  -webkit-app-region: no-drag;
}

.bubble-content {
  -webkit-app-region: no-drag;
}

// 时间分隔
.time-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0;
  width: 100%;
  align-self: center;

  span {
    font-size: 12px;
    color: var(--text-tertiary);
  }
}

// 日期分隔
.date-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0;
  width: 100%;
  align-self: center;

  span {
    font-size: 12px;
    color: var(--text-tertiary);
    background: rgba(0, 0, 0, 0.04);
    padding: 4px 12px;
    border-radius: 16px;
  }
}

// 空状态
.empty-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  gap: 12px;

  svg {
    width: 64px;
    height: 64px;
    opacity: 0.5;
  }

  p {
    font-size: 14px;
    margin: 0;
  }
}

.empty-sessions {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-tertiary);

  svg {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
  }

  p {
    font-size: 13px;
    margin: 0;

    &.hint {
      font-size: 12px;
      margin-top: 4px;
    }
  }
}

// 加载状态
.loading-sessions {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 16px;
}

.skeleton-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;

  .skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: var(--bg-tertiary);
    animation: pulse 1.5s infinite;
  }

  .skeleton-content {
    flex: 1;

    .skeleton-line {
      height: 14px;
      background: var(--bg-tertiary);
      border-radius: 4px;
      animation: pulse 1.5s infinite;

      &:first-child {
        width: 50%;
        margin-bottom: 8px;
      }

      &:last-child {
        width: 80%;
        height: 12px;
      }
    }
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

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

  to {
    transform: rotate(360deg);
  }
}

// 连接错误
.connection-error {
  margin: 0 16px 12px;
  padding: 10px 12px;
  background: #fef0f0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;

  svg {
    color: #f56c6c;
    flex-shrink: 0;
  }

  span {
    flex: 1;
    font-size: 13px;
    color: #f56c6c;
  }

  button {
    padding: 4px 12px;
    font-size: 12px;
    background: #f56c6c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;

    &:hover {
      background: #f78989;
    }
  }
}

// 消息加载
.loading-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-tertiary);

  svg {
    animation: spin 1s linear infinite;
  }
}

// 会话详情面板
.detail-panel {
  width: 280px;
  min-width: 280px;
  background: var(--card-bg);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideInRight 0.2s ease;

  .detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);

    h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      margin: 0;
    }

    .close-btn {
      background: none;
      border: none;
      padding: 4px;
      cursor: pointer;
      color: var(--text-secondary);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;

      &:hover {
        background: var(--bg-hover);
        color: var(--text-primary);
      }
    }
  }

  .detail-loading {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 13px;

    .spin {
      animation: spin 1s linear infinite;
    }
  }

  .detail-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 13px;
  }

  .detail-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;

    &::-webkit-scrollbar {
      width: 4px;
    }

    &::-webkit-scrollbar-thumb {
      background: var(--text-tertiary);
      border-radius: 2px;
    }
  }

  .detail-section {
    margin-bottom: 20px;

    &:last-child {
      margin-bottom: 0;
    }

    .section-title {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-secondary);
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;

      svg {
        opacity: 0.7;
      }
    }
  }

  .detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;

    &:last-child {
      border-bottom: none;
    }

    svg {
      color: var(--text-tertiary);
      flex-shrink: 0;
    }

    .label {
      color: var(--text-secondary);
      flex-shrink: 0;
    }

    .value {
      flex: 1;
      text-align: right;
      color: var(--text-primary);
      word-break: break-all;

      &.highlight {
        color: var(--primary);
        font-weight: 600;
      }
    }
  }

  .table-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .table-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    font-size: 12px;

    .db-name {
      color: var(--text-primary);
      font-weight: 500;
    }

    .table-count {
      color: var(--primary);
      font-weight: 500;
    }
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }

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