assets/css/partials/comment.scss
#comments {
  background: var(--color-wrap);
  padding: $article-padding $article-padding + 16px;
  border-radius: $post-radius;
  margin: 12px 0;

  @media #{$mg-normal} {
    padding: $article-padding 16px;
  }

  a {
    color: var(--color-link);
  }
}

#comments .comment-header {
  display: flex;
  flex-direction: column;
  width: 100%;

  .comment-title {
    margin: 0 0 12px;
    width: 100%;
    text-align: center;
    color: var(--color-default);
  }

  .comment-selector {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    margin-bottom: 16px;
  }

  .comment-selector-wrap {
    display: flex;
    overflow: hidden;
    border-radius: $tag-radius;

    .selector-item {
      font-size: 14px;
      color: #555;
      background-color: #c9ccd0;
      transition: 0.3s;
      padding: 4px;
      cursor: var(--cursor-pointer) !important;
      font-weight: bold;

      span {
        cursor: var(--cursor-pointer) !important;
      }

      [data-theme="dark"] & {
        color: #ccc;
        background-color: #555;
      }

      &:hover {
        background-color: var(--red-4);
      }

      &.active {
        color: white;
        background-color: var(--red-1);
      }
    }
  }
}

@if $waline {
  .wl-emoji-popup {
    max-width: calc(100vw - 90px) !important;
  }

  .wl-count {
    color: var(--color-default);
  }

  .wl-panel {
    margin: 0.5em 0 !important;
  }

  .wl-header input {
    font-size: revert !important;
  }

  .wl-action,
  .wl-sort li {
    cursor: var(--cursor-pointer) !important;
  }

  .wl-header label {
    cursor: var(--cursor-default) !important;
  }
}

@if $valine {
  .vcontent {
    padding-left: 10px;
    padding-right: 10px;
  }

  [data-theme="dark"] .v[data-class="v"] .vcards .vcard .vcontent.expand::after,
  .dark .v[data-class="v"] .vcards .vcard .vcontent.expand::after,
  .theme__dark .v[data-class="v"] .vcards .vcard .vcontent.expand::after,
  .night .v[data-class="v"] .vcards .vcard .vcontent.expand::after {
    background: var(--color-wrap) !important;
  }

  [data-theme="dark"]
    .v[data-class="v"]
    .vcards
    .vcard
    .vcontent.expand::before,
  .dark .v[data-class="v"] .vcards .vcard .vcontent.expand::before,
  .theme__dark .v[data-class="v"] .vcards .vcard .vcontent.expand::before,
  .night .v[data-class="v"] .vcards .vcard .vcontent.expand::before {
    background: linear-gradient(
      180deg,
      color-mix(in srgb, var(--color-wrap) 10%, transparent),
      var(--color-wrap)
    ) !important;
  }

  .v[data-class="v"] .vcards .vcard .vh .vmeta .vat {
    color: var(--red-1) !important;
  }
}

@if $giscus {
  .giscus-comment {
    width: auto;
  }
}

@if $gitalk {
  .gitalk-comment {
    color: var(--color-default);
  }
  .gt-header-comment .gt-header-preview.markdown-body,
  .gt-comment-content .gt-comment-body.markdown-body {
    h2,
    h1 {
      border-bottom: none;
    }

    table {
      display: table;
    }

    table tr {
      background-color: transparent !important;
      border: none;
    }

    table th {
      border: none;
      border-bottom: 3px solid var(--color-border);
    }

    table td {
      border: none;
      border-bottom: 1px solid var(--color-border);
    }
  }

  .gt-header-textarea {
    background-color: var(--red-6) !important;
    color: var(--color-default);
  }

  .gt-container .gt-header-comment {
    width: 100%;
  }

  .gt-container .gt-header-preview,
  .gt-container .gt-comment-content {
    background-color: var(--color-wrap) !important;
  }

  .gt-container .gt-comment-content {
    &:hover {
      box-shadow: none !important;
    }
  }

  .gt-container .gt-popup {
    background-color: var(--color-wrap) !important;
  }
}

@mixin base-comment-style {
  color: var(--color-default) !important;
  @include base-style;
  p,
  table {
    line-height: $line-height;
    margin: 16px 0;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-weight: bold;
    line-height: $line-height-title;
    margin: $line-height-title 0 0.75em;
  }

  h2 {
    margin-bottom: 40px;
  }

  a {
    color: var(--color-link);
    text-decoration: none;
    word-break: break-word;

    &:hover {
      text-decoration: underline;
    }
  }

  li {
    margin: 8px 0;
    &:hover {
      &::marker {
        transition: color 0.2s;
        color: var(--red-1);
      }
    }
  }

  img,
  video {
    max-width: 100%;
    height: auto;
    display: block;
    margin: auto;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
  }

  th {
    font-weight: bold;
    border-bottom: 3px solid var(--color-border);
    padding-bottom: 8px;
  }

  td {
    border-bottom: 1px solid var(--color-border);
    padding: 8px 0;
  }

  blockquote {
    background: var(--red-5-5);
    border-left: 6px var(--red-4) solid !important;
    margin: 28px 0 !important;
    border-radius: $post-radius;
    transition: 0.3s;
    display: flow-root;
    padding: 0 12px !important;
    box-shadow: var(--shadow-meta);

    &:hover {
      box-shadow: var(--shadow-meta-hover);
    }

    footer {
      font-size: $font-size;
      margin: 24px 0;

      cite {
        &:before {
          content: "—";
          padding: 0 8px;
        }
      }
    }
  }

  details {
    padding: 16px 12px;
    border-radius: $post-radius;
    background-color: var(--red-5-5);
    box-shadow: var(--shadow-meta);
    transition: 0.3s;

    &:hover {
      box-shadow: var(--shadow-meta-hover);
    }
  }

  summary {
    font-size: 1.1em;
    font-weight: bold;
    cursor: var(--cursor-pointer) !important;
    padding: 8px;
    border: none;
    border-radius: $tag-radius;
    transition: 0.3s;
  }

  summary:hover {
    background-color: var(--red-5);
  }

  details[open] summary {
    background-color: var(--red-5);
  }

  details[open] summary:hover {
    background-color: var(--red-5);
  }

  details p {
    margin: 20px 0 0;
    padding: 12px;
    background-color: var(--color-footer-background);
    border-radius: $tag-radius;
    transition: 0.3s;
  }

  hr {
    border-style: none !important;
    background-color: transparent !important;
  }

  pre,
  code {
    font-family: $font-code !important;
    font-size: 15px !important;
    transition: 0.3s;
    word-break: break-word;
  }
  code:not(pre code) {
    background: var(--color-code-background) !important;
    padding: 1px 4px !important;
    border-radius: 6px !important;
    color: var(--color-link) !important;
  }
}

@if $waline {
  .wl-content {
    @include base-comment-style;
  }
}

@if $valine {
  .vcontent {
    @include base-comment-style;
  }
}

@if $gitalk {
  .gt-header-preview.markdown-body,
  .gt-comment-content .gt-comment-body.markdown-body {
    @include base-comment-style;
  }
}