mastodon-docker-playground/app/javascript/flavours/glitch/styles/components/composer.scss

.composer {
  padding: 10px;

  .composer--spoiler {
    display: block;
    box-sizing: border-box;
    margin: 0;
    border: none;
    border-radius: 4px;
    padding: 10px;
    width: 100%;
    outline: 0;
    color: $ui-base-color;
    background: $simple-background-color;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;

    &:focus { outline: 0 }
    @include single-column('screen and (max-width: 630px)') { font-size: 16px }
  }

  .composer--warning {
    color: darken($ui-secondary-color, 65%);
    margin-bottom: 15px;
    background: $ui-primary-color;
    box-shadow: 0 2px 6px rgba($base-shadow-color, 0.3);
    padding: 8px 10px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 400;

    a {
      color: darken($ui-primary-color, 33%);
      font-weight: 500;
      text-decoration: underline;

      &:active,
      &:focus,
      &:hover { text-decoration: none }
    }
  }

  .composer--reply {
    margin: 0 0 -2px;
    border-radius: 4px 4px 0 0;
    padding: 10px;
    background: $ui-primary-color;

    & > header {
      margin-bottom: 5px;
      overflow: hidden;

      & > .account {
        & > .avatar {
          float: left;
          margin-right: 5px;
        }

        & > .display_name {
          color: $ui-base-color;
          display: block;
          padding-right: 25px;
          max-width: 100%;
          line-height: 24px;
          text-decoration: none;
          overflow: hidden;
        }
      }

      & > .cancel {
        float: right;
        line-height: 24px;
      }
    }

    & > .content {
      position: relative;
      margin: 10px 0;
      padding: 0 12px;
      font-size: 14px;
      line-height: 20px;
      color: $ui-base-color;
      word-wrap: break-word;
      font-weight: 400;
      overflow: visible;
      white-space: pre-wrap;
      padding-top: 5px;
    }

    .emojione {
      width: 20px;
      height: 20px;
      margin: -5px 0 0;
    }

    p {
      margin-bottom: 20px;

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

    a {
      color: lighten($ui-base-color, 20%);
      text-decoration: none;

      &:hover { text-decoration: underline }

      &.mention {
        &:hover {
          text-decoration: none;

          span { text-decoration: underline }
        }
      }
    }
  }

  .composer--textarea {
    background: $simple-background-color;
    position: relative;

    &:disabled { background: $ui-secondary-color }

    & > .textarea {
      display: block;
      box-sizing: border-box;
      margin: 0;
      border: none;
      border-radius: 4px 4px 0 0;
      padding: 10px 32px 0 10px;
      width: 100%;
      min-height: 100px;
      outline: 0;
      color: $ui-base-color;
      background: $simple-background-color;
      font-size: 14px;
      font-family: inherit;
      resize: none;

      &:focus { outline: 0 }
      @include single-column('screen and (max-width: 630px)') { font-size: 16px }

      @include limited-single-column('screen and (max-width: 600px)') {
        height: 100px !important; // prevent auto-resize textarea
        resize: vertical;
      }
    }

    .composer--textarea--suggestions {
      display: block;
      position: absolute;
      box-sizing: border-box;
      top: 100%;
      border-radius: 0 0 4px 4px;
      padding: 6px;
      width: 100%;
      color: $ui-base-color;
      background: $ui-secondary-color;
      box-shadow: 4px 4px 6px rgba($base-shadow-color, 0.4);
      font-size: 14px;
      z-index: 99;

      &[hidden] { display: none }

      .composer--textarea--suggestions--item {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        border-radius: 4px;
        padding: 10px;
        font-size: 14px;
        line-height: 18px;
        cursor: pointer;

        &:hover,
        &:focus,
        &:active,
        &.active { background: darken($ui-secondary-color, 10%) }

        & > .emoji {
          img {
            display: block;
            float: left;
            margin-right: 8px;
            width: 16px;
            height: 16px;
          }
        }
      }
    }
  }

  .composer--upload_form {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 5px;
    color: $ui-base-color;
    background: $simple-background-color;
    font-size: 14px;
    font-family: inherit;
    overflow: hidden;

    .composer--upload_form--item {
      flex: 1 1 0;
      margin: 5px;
      min-width: 40%;

      & > div {
        position: relative;
        border-radius: 4px;
        height: 100px;
        width: 100%;
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;

        input {
          display: block;
          position: absolute;
          box-sizing: border-box;
          bottom: 0;
          left: 0;
          margin: 0;
          border: 0;
          padding: 10px;
          width: 100%;
          color: $ui-secondary-color;
          background: linear-gradient(0deg, rgba($base-shadow-color, 0.8) 0, rgba($base-shadow-color, 0.35) 80%, transparent);
          font-size: 14px;
          font-family: inherit;
          font-weight: 500;
          opacity: 0;
          z-index: 2;
          transition: opacity .1s ease;

          &:focus { color: $white }

          &::placeholder {
            opacity: 0.54;
            color: $ui-secondary-color;
          }
        }

        & > .close { mix-blend-mode: difference }
      }

      &.active {
        & > div {
          input { opacity: 1 }
        }
      }
    }
  }

  .composer--options {
    padding: 10px;
    background: darken($simple-background-color, 8%);
    box-shadow: inset 0 5px 5px rgba($base-shadow-color, 0.05);
    border-radius: 0 0 4px 4px;

    & > * {
      display: inline-block;
      box-sizing: content-box;
      padding: 0 3px;
      line-height: 27px;
    }

    & > hr {
      display: inline-block;
      margin: 0 3px;
      border-width: 0 0 0 1px;
      border-style: none none none solid;
      border-color: transparent transparent transparent darken($simple-background-color, 24%);
      padding: 0;
      background: transparent;
    }
  }

  .composer--publisher {
    padding-top: 10px;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;

    & > .count {
      display: inline-block;
      margin: 0 16px 0 8px;
      padding-top: 10px;
      font-size: 16px;
      line-height: 36px;
    }

    & > .primary {
      display: inline-block;
      margin: 0;
      padding: 0 10px;
      text-align: center;
    }

    & > .side_arm {
      display: inline-block;
      margin: 0 2px 0 0;
      padding: 0;
      width: 36px;
      text-align: center;
    }

    &.over {
      & > .count { color: $warning-red }
    }
  }
}