PaperModX/assets/css/extended/newsletter.scss

/*
color candidates:
#CB3A56 茜色
#F05654 銀紅
#F20C00 石榴紅
#FF2D51 火紅
*/

$medium: 960px;
$small: 500px;

body.type-newsletter {
  --signature: #CB3A56;
  --signature-bg: rgba(203, 58, 87, 0.239);
  --signature-bg-dim: rgba(203, 58, 87, 0.147);
  --main-border: 5px solid var(--signature);
  --icon-length: 50px;
  --icon-font-size: 32px;

  // override theme-vars
  --link-hover-color: var(--signature);
  --link-hover-underline-color: var(--signature);
  --link-hover-underline-shadow: 0 2px 0 var(--link-hover-underline-color);

  @media screen and (max-width: $small) {
    --icon-length: 40px;
    --icon-font-size: 24px;
  }

  /* a links in section/archives page content and regular page post-content */
  &.kind-section .main .content a,
  &.layout-archives .main .content a,
  &.kind-page .post-content a {
    font-weight: 500;
    color: var(--primary);
    box-shadow: var(--link-underline-shadow);
    // transition: var(--link-transition);
    &:hover {
      color: var(--link-hover-color);
      box-shadow: var(--link-hover-underline-shadow);
    }
  }

  /* shared */
  .sub-form {
    display: flex;
    flex-direction: column;
    margin: calc(var(--content-gap) * 1.5) 0;
    form {
      display: flex;
      line-height: 1.2em;
      flex-wrap: wrap;
    }
    input {
      border: 3px solid var(--signature-bg-dim);
      color: var(--secondary);
      border-radius: 0px;
      appearance: none;
      outline: none;
      background-color: var(--theme);
      flex-grow: 1;
      padding: 9px 15px;
      transition: var(--link-transition);

      &:focus {
        color: var(--primary);
        border-color: var(--signature);
      }
    }
    button {
      display: block;
      background-color: var(--signature);
      color: var(--theme);
      padding: 12px 15px;
      margin-left: var(--content-gap);
      white-space: nowrap;
    }
  }
  @media screen and (max-width: $small) {
    .sub-form {
      button {
        margin-left: 0;
        margin-top: calc(var(--content-gap)/2);
        flex-grow: 1;
      }
    }
  }
}

body.type-newsletter.kind-section,
body.type-newsletter.layout-archives {
  /* section/archives page */

  .main {
    border: var(--main-border);
    background-color: var(--theme);
    margin-top: var(--content-gap);
    padding-top: 0;
    padding-bottom: var(--icon-length);
    min-height: calc(100vh - var(--header-height) - var(--footer-height) - var(--content-gap));
    max-width: var(--nav-width);

    @media screen and (max-width: $medium) {
      margin-left: var(--gap);
      margin-right: var(--gap);
    }
  }

  .main-icon {
    position: absolute;
    left: 0; top: 0;
    width: var(--icon-length);
    height: var(--icon-length);
    line-height: calc(var(--icon-length) - 3px);
    border-right: var(--main-border);
    border-bottom: var(--main-border);
    background-color: var(--signature);
    color: var(--theme);
    font-size: var(--icon-font-size);
    text-align: center;
  }

  .main {
    .content {
      max-width: calc(var(--post-width));
      margin: var(--icon-length) auto 0;
    }

    .first-entry {
      margin-bottom: 0;
    }

    h1 {
      text-align: center;
      margin-bottom: 10px;
    }
    .subtitle {
      text-align: center;
      color: var(--secondary);
      line-height: 1.2em;
      margin-bottom: var(--content-gap);
    }

    h2 {
      margin: 40px 0 20px;

    }

    .list {
      display: flex;
      flex-direction: column;
      margin-bottom: var(--content-gap);

      .item {
        display: flex;
        border-bottom: 1px solid var(--tertiary-bg);
        padding: 8px 0;

        .date, .issueno {
          font-size: .9em;
          color: var(--secondary);
        }
        .date {
          width: 150px;
        }
        .title {
          flex-grow: 1;
          font-weight: 500;
          a {
            display: block;
            width: 100%;
            box-shadow: none;
          }
          a:hover {
            color: var(--signature);
          }
          em {
            color: var(--secondary);
            font-style: normal;
            font-size: .8em;
            margin-inline-start: 1em;
            vertical-align: top;
          }
        }
        .issueno {
          width: 50px;
          text-align: right;
        }
      }
    }
    @media screen and (max-width: $small) {
      .list {
        .item {
          flex-wrap: wrap;
          .date {
            flex-grow: 1;
            order: 1;
          }
          .issueno {
            order: 2;
          }
          .title {
            order: 3;
            flex-grow: 1;
          }
        }
      }
    }
  }
}

/* regular page */
body.type-newsletter.kind-page {
  .newsletter-brand {
    --icon-length: 50px;
    --padding: 15px;
    display: flex;
    background-color: var(--signature-bg-dim);
    transition: var(--link-transition);
    font-size: 32px;
    margin-bottom: var(--content-gap);
    line-height: var(--icon-length);
    box-shadow: none; // reset

    .icon, .name {
      height: var(--icon-length);
    }
    .icon {
      width: var(--icon-length);
      color: var(--theme);
      text-align: center;
      background-color: var(--signature);
    }
    .name {
      padding: 0 var(--padding);
      font-weight: bolder;
      color: var(--signature);
    }
    .remark {
      color: var(--signature);
      font-weight: 300;
      transition: var(--link-transition);
    }
    .arrow {
      margin-left: auto;
      color: transparent;
      display: flex;
      align-items: center;
      padding-right: var(--padding);
      transition: var(--link-transition);
    }

    &:hover, &:active {
      box-shadow: none; // reset
      background-color: var(--signature-bg);
      .arrow {
        color: var(--signature);
      }
      .remark {
        color: transparent;
      }
    }
  }
  @media screen and (max-width: $small) {
    .newsletter-brand {
      font-size: 24px;
      .remark {
        margin-left: auto;
        padding-right: var(--padding);
      }
      .arrow {
        display: none;
      }
    }
  }

  .post-title {
    font-size: 36px;
  }
  .post-footer {
    border-bottom-color: var(--signature);
  }

  .newsletter-sub {
    margin-top: calc(var(--content-gap) * 1.5);
    background-color: var(--signature-bg-dim);
    padding: 1em;
    .notice {
      font-size: .8em;
      color: var(--signature);
      line-height: 1.6;
    }
    .sub-form {
      margin: 1em 0;
      input {
        border-color: var(--signature-bg);
      }
    }
  }
}