@use '../variables' as *;

.ai-chat {
  font-size: 0.14rem;
  width: var(--chat-width, 3.6rem);
  height: var(--app-height, 100vh);
  background: $bg-white;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  flex-shrink: 0;

  // ==================== 顶部头部区域 ====================
  &__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.16rem;
    height: 0.80rem;
    box-sizing: border-box;
  }

  &__header-left {
    display: flex;
    align-items: center;
    gap: 0.12rem;
  }

  &__avatar {
    width: 0.44rem;
    height: 0.44rem;
    border-radius: 50%;
    object-fit: cover;
  }

  &__info {
    display: flex;
    flex-direction: column;
  }

  &__name {
    font-size: 0.15rem;
    font-weight: 620;
    line-height: 0.22rem;
    color: $text-dark;
  }

  &__desc {
    font-size: 0.12rem;
    font-weight: 330;
    line-height: 0.18rem;
    color: #99A1AF;
  }

  // 在线状态标签
  &__online-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.04rem 0.08rem;
    gap: 0.04rem;
    background: #52CAD1;
    border-radius: 0.12rem;
    font-size: 0.12rem;
    font-weight: 330;
    line-height: 0.16rem;
    color: $bg-white;
  }

  &__online-dot {
    width: 0.06rem;
    height: 0.06rem;
    background: $bg-white;
    border-radius: 50%;
  }

  // ==================== 聊天消息区域 ====================
  &__messages {
    flex: 1;
    overflow-y: auto;
    padding: 0 0.16rem;
    padding-bottom: 0.16rem;
  }

  // 欢迎气泡
  &__welcome-bubble {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.16rem;
    gap: 0.08rem;
    background: #F4FBFB;
    border: 1px solid #AEE6EA;
    border-radius: 0.12rem;
    margin-bottom: 0.17rem;
  }

  &__welcome-title {
    font-size: 0.14rem;
    font-weight: 620;
    line-height: 0.16rem;
    color: $text-dark;
  }

  &__welcome-text {
    font-size: 0.12rem;
    font-weight: 330;
    line-height: 0.18rem;
    color: #99A1AF;
  }

  // ==================== 消息气泡 ====================
  &__msg {
    margin-bottom: 0.17rem;
    display: flex;

    &--ai {
      justify-content: flex-start;
    }

    &--user {
      justify-content: flex-end;
    }
  }

  &__msg-bubble {
    max-width: 2.8rem;
    padding: 0.08rem 0.12rem;
    font-size: 0.14rem;
    font-weight: 330;
    line-height: 0.24rem;
    box-shadow: 0px 1px 4px rgba(0, 0, 0, 0.04);

    // Markdown 渲染样式
    p {
      margin: 0 0 0.08rem;
      &:last-child { margin-bottom: 0; }
    }

    h1, h2, h3, h4, h5, h6 {
      margin: 0.12rem 0 0.06rem;
      font-weight: 600;
      line-height: 1.4;
    }
    h1 { font-size: 0.18rem; }
    h2 { font-size: 0.16rem; }
    h3 { font-size: 0.14rem; }

    ul, ol {
      padding-left: 0.2rem;
      margin: 0.06rem 0;
    }

    li {
      margin-bottom: 0.04rem;
    }

    code {
      background: #f1f5f9;
      padding: 0.01rem 0.04rem;
      border-radius: 0.03rem;
      font-size: 0.12rem;
      font-family: 'Courier New', monospace;
    }

    pre {
      background: #1e293b;
      color: #e2e8f0;
      padding: 0.1rem 0.12rem;
      border-radius: 0.06rem;
      overflow-x: auto;
      margin: 0.08rem 0;

      code {
        background: none;
        padding: 0;
        color: inherit;
        font-size: 0.11rem;
      }
    }

    blockquote {
      border-left: 3px solid #cbd5e1;
      padding-left: 0.1rem;
      margin: 0.08rem 0;
      color: #64748b;
    }

    a {
      color: #2563eb;
      text-decoration: underline;
    }

    table {
      border-collapse: collapse;
      margin: 0.08rem 0;
      width: 100%;
      font-size: 0.12rem;

      th, td {
        border: 1px solid #e5e7eb;
        padding: 0.06rem 0.1rem;
        text-align: left;
        line-height: 1.6;
      }

      th {
        background: #f8fafc;
        font-weight: 600;
      }
    }
  }

  // 用户消息气泡 — 品牌色背景，右上圆角小
  &__msg--user &__msg-bubble {
    background: #52CAD1;
    color: $bg-white;
    border-radius: 0.12rem 0.04rem 0.12rem 0.12rem;
  }

  // AI 消息气泡 — 白色背景绿色边框，左上圆角小
  &__msg--ai &__msg-bubble {
    background: $bg-white;
    color: $text-dark;
    border: 1px solid #AEE6EA;
    box-shadow: 0px 2px 4px rgba(82, 202, 209, 0.1);
    border-radius: 0.04rem 0.12rem 0.12rem 0.12rem;
  }

  // ==================== 三点等待动效 ====================
  &__typing-indicator {
    display: flex;
    align-items: center;
    padding: 0.14rem 0.12rem;
    gap: 0.06rem;
    background: $bg-white;
    border: 1px solid #AEE6EA;
    box-shadow: 0px 1px 4px rgba(0, 0, 0, 0.04);
    border-radius: 0.04rem 0.12rem 0.12rem 0.12rem;
  }

  &__typing-dot {
    width: 0.06rem;
    height: 0.06rem;
    border-radius: 50%;
    background: #AEE6EA;
    animation: typingBounce 1.4s infinite ease-in-out both;

    &:nth-child(1) {
      animation-delay: 0s;
    }
    &:nth-child(2) {
      animation-delay: 0.2s;
      background: rgba(174, 230, 234, 0.6);
    }
    &:nth-child(3) {
      animation-delay: 0.4s;
      background: rgba(174, 230, 234, 0.4);
    }
  }

  @keyframes typingBounce {
    0%, 80%, 100% {
      transform: scale(1);
      opacity: 0.6;
    }
    40% {
      transform: scale(1.3);
      opacity: 1;
    }
  }

  // ==================== 话题推荐模块 ====================
  &__topics {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.16rem 0.16rem 0.16rem 0.16rem;
    gap: 0.12rem;
    background: linear-gradient(180deg, #EDF9FA 0%, #FFFFFF 20.63%);
    border: 1px solid #AEE6EA;
    border-radius: 0.12rem;
    margin: 0 0.16rem;
    margin-bottom: 0.12rem;
  }

  &__topics-header {
    display: flex;
    align-items: center;
    gap: 0.04rem;
  }

  &__topics-icon {
    width: 0.16rem;
    height: 0.16rem;
  }

  &__topics-title {
    font-size: 0.14rem;
    font-weight: 620;
    line-height: 0.19rem;
    color: #52CAD1;
  }

  &__topic-btn {
    display: flex;
    align-items: center;
    padding: 0.08rem 0.12rem;
    background: $bg-white;
    border: 1px solid #F0F0F0;
    border-radius: 0.08rem;
    font-size: 0.12rem;
    font-weight: 330;
    line-height: 0.16rem;
    color: $text-middle;
    cursor: pointer;
    transition: background 0.2s;

    &:hover {
      background: $accent;
      color: #fff;

    }

    // 第一个按钮用品牌色
    &--primary {
      background: #52CAD1;
      border-color: #52CAD1;
      color: $bg-white;

      &:hover {
        background: #47b8bf;
      }
    }
  }

  // ==================== 底部输入框 ====================
  &__input-area {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.08rem 0.12rem;
    gap: 0.08rem;
    margin: 0 0.16rem;
    margin-bottom: 0.16rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #AEE6EA;
    border-radius: 0.08rem;
    backdrop-filter: blur(12px);
    box-sizing: border-box;
  }

  &__input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.12rem;
    font-weight: 400;
    line-height: 0.15rem;
    color: $text-dark;

    &::placeholder {
      color: #99A1AF;
    }
  }

  &__send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 0.32rem;
    height: 0.32rem;
    background: #52CAD1;
    border-radius: 0.08rem;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s;

    &:hover {
      background: #47b8bf;
    }

    &:disabled {
      opacity: 0.6;
      cursor: not-allowed;
    }
  }
}
