* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  &::-webkit-scrollbar {
    width: 8px;
    height: 8px;

    &-track {
      background: transparent;
      border-radius: 2px;
    }

    &-thumb {
      background: #66666633;
      border-radius: 8px;
      transition: all 0.1s;
    }

    &-thumb:hover {
      background: #66666666;
    }

    &-corner {
      background: transparent;
    }
  }
}

html,
body {
  overflow: hidden;
}

.docs {
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  padding: 32px 20px 0;
  .tab {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 18px;
    .tab-item {
      position: relative;
      font-size: 14px;
      font-weight: bold;
      text-align: center;
      padding: 0 4px;
      margin: 0 8px;
      cursor: pointer;
      color: darkgray;
      text-decoration: none;
      &::after {
        content: '';
        display: block;
        position: absolute;
        width: 0%;
        height: 0;
        border-bottom: 1px solid currentColor;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        transition: width 100ms;
      }
      &.active,
      &:hover {
        color: #324346;
        &::after {
          width: 100%;
        }
      }
    }
  }

  & > header,
  & > main,
  & > footer {
    max-width: 900px;
    margin: 0 auto;
  }

  & > header {
    padding: 12px 0;
    text-align: center;
    h1 {
      color: #324346;
    }
    p {
      color: gray;
      margin-top: 16px;
      span {
        white-space: nowrap;
      }
    }
  }
  & > footer {
    position: sticky;
    bottom: 0;
    z-index: 999999;
    display: flex;
    justify-content: center;
    .outline {
      position: relative;
      width: 196px;
      max-height: 250px;
      transition: all 0.75s;
      &.hidden {
        max-height: 46px;
        overflow: hidden;
      }
      &-content {
        margin: 48px 4px 0 4px;
        max-height: 200px;
        overflow-x: hidden;
        overflow-y: auto;
        padding: 4px 8px 4px 20px;
        background-color: white;
        border-radius: 8px 8px 0 0;
        box-shadow:
          0 0 3px 0 rgba(0, 0, 0, 0.2),
          0 0 1px 0 rgba(0, 0, 0, 0.12),
          0 0 1px 0 rgba(0, 0, 0, 0.08) inset;
        li {
          color: darkgray;
          margin: 4px 0;
          span {
            color: inherit;
            display: block;
            font-size: 12px;
            padding: 4px 8px;
            border-radius: 4px;
            cursor: pointer;
            text-decoration: none;
            background-color: #f9f9f9;
            transition: all 0.2s;
            scroll-behavior: smooth;
            &:hover {
              color: #4a7b7b;
              background-color: #f1f1f1;
            }
          }
        }
      }
      &-group-name {
        color: gray;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 0;
        list-style: none;
      }
      &-button {
        position: absolute;
        top: 4px;
        right: 4px;
        display: flex;
        justify-content: center;
        gap: 12px;
        background-color: white;
        padding: 4px 8px;
        border-radius: 8px;
        cursor: pointer;
        box-shadow:
          0 0 3px 0 rgba(0, 0, 0, 0.2),
          0 0 1px 0 rgba(0, 0, 0, 0.12),
          0 0 1px 0 rgba(0, 0, 0, 0.08) inset;
      }
    }
    .buttons {
      position: absolute;
      top: 4px;
      left: 4px;
      display: flex;
      justify-content: center;
      gap: 12px;
      background-color: white;
      padding: 4px 8px;
      border-radius: 8px;
      box-shadow:
        0 0 3px 0 rgba(0, 0, 0, 0.2),
        0 0 1px 0 rgba(0, 0, 0, 0.12),
        0 0 1px 0 rgba(0, 0, 0, 0.08) inset;
    }
    .upload-image {
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      border-radius: 50%;
      pointer-events: none;
      background-color: white;
      box-shadow: 0 0 1px 0 rgba(0, 0, 0, 0.12) inset;
    }
  }
}