Mailspring/internal_packages/composer/stylesheets/composer.less

// The ui-variables file is provided by base themes provided by N1.
@import "ui-variables";
@import "ui-mixins";
@import "buttons";

@compose-width: 800px;
@compose-min-height: 150px;

@blurred-bg-color: mix(@background-primary, #ffbb00, 96%);

body.platform-win32 {
  .composer-inner-wrap {
    .composer-action-bar-wrap {
      .btn {
        height: 30px;
        padding-top: 1px;
      }
    }
    .composer-drop-cover {
      border-radius: 0;
    }
    input, input:focus {
      border: 0;
    }
  }
}

.composer-inner-wrap {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;

  .composer-drop-cover {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.7);
    border-radius: @border-radius-base;
    border: 4px dashed lighten(@gray, 30%);
    text-align: center;
    line-height:2.3em;

    .centered {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      color: lighten(@gray, 20%);
      font-weight: 500;
      font-size:1.1em;
      img { margin: auto; display:block; margin-bottom:20px; background-color: lighten(@gray, 20%); }
    }
  }

  .composer-action-bar-wrap {
    position: relative;
    width: 100%;
    background: transparent;
    border-bottom: 0;

    .btn {
      // Yes, 4px taller than in the rest of the app: https://phab.nylas.com/T2418
      height:28px;
    }
    .composer-action-bar-content {
      display:flex;
      margin: 0 auto;
      flex-direction:row;
      max-width: @compose-width;
      padding: @spacing-standard;

      > * {
        margin-left: @spacing-standard / 2;
        margin-right: @spacing-standard / 2;
      }
    }
  }

  .composer-content-wrap {
    padding: 0;
    flex: 1;
    display: flex;
    position: relative;
    flex-flow: column;
  }

  .composer-centered {
    display:flex;
    position: relative;
    flex-direction: column;
    flex: 1;
    width: 100%;
    max-width: @compose-width;
    margin: 0 auto;
    padding-top:@spacing-standard;
  }
  .text-actions {
    text-align: right;
    line-height: 1.4;
    position: relative;
    top: -3px;
  }

  .header-action {
    color: @text-color-very-subtle;
    img.content-mask { background-color: @text-color-very-subtle; }
    font-size: @font-size-small;
    padding-left: 1em;
    &:hover {
      color: @text-color-link;
      img.content-mask { background-color: @text-color-link; }
      cursor: default;
    }
  }

  .composer-participant-actions {
    position: relative;
    float: right;
    z-index: 2;
    cursor: default;
    padding-right: @spacing-standard + @spacing-half;
    padding-left: @spacing-standard;
    padding-top: 12px;
  }

  input, textarea {
    color: @text-color;
    position: relative;
    display: block;
    background: inherit;
    width: 100%;
    resize: none;
    border: none;
  }

  .composer-field-label {
    color: @text-color-very-subtle;
    float: left;
    padding-top: 6px;
    display: block;
  }

  .collapsed-composer-participants {
    position: relative;
    margin: 0 23px;
    border-bottom: 1px solid @border-color-divider;
    flex-shrink:0;
    color: @text-color-very-subtle;
    padding: 16px 0 10px 0;

    .collapsed-contact {
      padding-right: 0.25em;
      color: @text-color;
      &:after {
        content: ","
      }
      &:last-child:after {
        content: ""
      }
    }

    .num-remaining.token {
      color: @text-color;
      padding-right: 12px;
      margin-left: 0;
      padding-top: 6px;
      padding-bottom: 6px;
    }

    .num-remaining-wrap {
      position: absolute;
      right: 0;
      z-index: 2;
      top: 9px;
      .show-more-fade {
        position: absolute;
        width: 190px;
        height: 37px;
        right: 0;
        top: 0;
        background: linear-gradient(to right, fade(@blurred-bg-color, 0%) 0%, fade(@blurred-bg-color, 100%) 40%);
      }
    }
  }

  .compose-subject-wrap {
    position: relative;
    margin: 0 23px;
    border-bottom: 1px solid @border-color-divider;
    flex-shrink:0;

    input {
      display: inline-block;
      padding: 13px 0 9px 0;
      min-width: 5em;
      background-color: transparent;
      border: none;
      margin: 0;
      &::-webkit-input-placeholder {
        color: @text-color-very-subtle;
      }
      &:focus {
        box-shadow: none;
      }
    }
  }

  .compose-body-scroll {
    position:initial;
    .scroll-region-content .scroll-region-content-inner {
      min-height: 100%;
      display: flex;
    }
  }

  .compose-body {
    flex: 1;
    cursor: text;
    overflow: auto;
    position: relative;
    margin: 0 8px;

    .quoted-text-control {
      margin: @spacing-standard;
      margin-top:0;
    }

    div[contenteditable] {
      min-height: @compose-min-height;
      padding: 20px @spacing-standard 0 @spacing-standard;
    }
  }

  .composer-footer-region {
    cursor: default;
    &:hover {
      cursor: default;
    }
  }

  // TODO FIXME DRY From stylesheets/message-list.less
  .attachments-area {
    padding: 0;
    margin: 0;
  }
}

// Overrides for the full-window popout composer
.composer-full-window {
  width: 100%;
  height: 100%;

  .composer-outer-wrap {
    width: 100%;
    height: 100%;
  }

  .composer-inner-wrap {

    .composer-action-bar-wrap {
      background: darken(@background-primary, 1%);
      border-top: 1px solid darken(@background-primary, 8%);
      box-shadow: inset 0 1px 2px rgba(0,0,0,0.03);
    }

    .composer-action-bar-content {
      padding: 8px 0.5px;
    }

    .compose-body {
      margin-bottom: 0;
      position: relative;
    }

  }

  .compose-body {
    div[contenteditable] {
      min-height: @line-height-computed;
    }
  }

  .from-picker {
    &:hover {
      cursor: default;
    }
  }
}

// Overrides for the composer in a message-list
#message-list {
  .message-item-wrap {
    .message-item-white-wrap.composer-outer-wrap {
      background: @blurred-bg-color;
    }
    .message-item-white-wrap.composer-outer-wrap.focused {
      box-shadow: 0 0 0.5px rgba(0, 0, 0, 0.28), 0 1px 1.5px rgba(0, 0, 0, 0.08), 0 0 3px @accent-primary;
      background-color: @background-primary;
      .show-more-fade {
        background: linear-gradient(to right, fade(@background-primary, 0%) 0%, fade(@background-primary, 100%) 40%);
      }
    }
  }
}


//////////////////////////////////
// participants-text-field.cjsx //
//////////////////////////////////
.composer-participant-field {
  position: relative;
  padding: 8px 0 0 0;
  margin: 0 8+@spacing-standard;
  flex-shrink: 0;
  border-bottom: 1px solid @border-color-divider;
  min-height: 49px;
  color: @text-color;

  .button-dropdown {
    margin-left: 10px;
    &:hover {
      .primary-item,
      .only-item {
        border-radius: 4px;
      }
    }
    .secondary-items {
      border-radius: 4px;
    }
    .item {
      .contact.is-alias {
        font-style: italic;
        float: right;
      }
    }
  }

  .participant {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;

    .participant-primary {
      font-weight: @font-weight-semi-bold;
    }
    .participant-secondary {
      color: @text-color-very-subtle;
    }
  }
}