Mailspring/packages/client-app/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: 70px;

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

body.platform-win32 {
  .composer-inner-wrap {
    .composer-drop-cover {
      border-radius: 0;
    }
    .composer-action-bar-wrap {
      border-radius: 0;
    }
    input, input:focus {
      box-shadow: none;
    }
  }
}

.action-bar-cover-gen() {
  .action-bar-cover {
    background-image: -webkit-linear-gradient(left, fade(@action-bar-bg, 0) 0%,
    @action-bar-bg 10%);
  }
}

// Used to allow the click targets to extend into the margins
.composer-field-bottom-border() {
  width: calc(~"100% - 44px");
  height: 1px;
  position: absolute;
  bottom: 0;
  left: 23px;
  content: " ";
  background: @border-color-divider;
}

.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;
    pointer-events: none;

    .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%); }
    }
  }

  .inline-image-upload-container {
    display: inline-block;

    .nylas-attachment-item.image-attachment-item {
      margin: 0;
      max-width: 100%;
      min-width: 0;
    }
  }

  .composer-action-bar-wrap {
    @action-bar-bg: @background-off-primary;
    position: relative;
    width: 100%;
    background: @action-bar-bg;
    border-top: 1px solid darken(@background-off-primary, 7%);
    box-shadow: inset 0 2px 1px rgba(0,0,0,0.03);
    border-bottom: 0;
    border-radius: @border-radius-base;

    .action-bar-cover-gen;

    // Buttons in the composer footer
    .btn.btn-toolbar:not(.btn-emphasis) {
      background: transparent;
      box-shadow: 0 0 0;
      margin: 0;
      padding: 0 9px;
      white-space: nowrap;

      img.content-mask {
        background-color: fadeout(mix(@btn-default-text-color, @component-active-color, 88%), 30%);
      }
      &:hover {
        img.content-mask {
          background-color: fadeout(mix(@btn-default-text-color, @component-active-color, 88%), 5%);
        }
      }
      &.btn-enabled {
        color: @component-active-color;
        img.content-mask {
          background-color: @component-active-color;
        }
      }
    }

    .btn-send {
      margin-right: 10px;
      white-space: nowrap;
    }

    .composer-action-bar-content {
      display:flex;
      margin: 0 auto;
      flex-direction:row;
      max-width: @compose-width;
      padding: 9px 22.5px;

      .composer-action-bar-plugins {
        flex-wrap: wrap;
      }
    }

    .action-bar-animation-wrap {
      position: relative;
      overflow: hidden;

      .composer-action-bar-plugins {
        opacity: 0;
        transition: opacity 30ms;
      }

      .action-bar-cover {
        transition: left 200ms ease-out;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 2;
      }

      &.plugins-loaded {
        .composer-action-bar-plugins {
          opacity: 1;
        }
        .action-bar-cover {
          left: 100%;
        }
      }
    }
  }

  .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 * 0.7;
  }
  .text-actions {
    text-align: right;
    line-height: 1.4;
    position: relative;
    top: -3px;
  }

  .composer-body-wrap {
    padding: 0 0 5px 0;
  }

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

    .action {
      color: @text-color-very-subtle;
      img.content-mask { background-color: @text-color-very-subtle; }
      font-size: @font-size-small;
      padding: 10px 6px;
      &:first-child {
        padding-left: @spacing-standard;
      }
      &:last-child {
        padding-right: 0;
      }
      &:hover {
        color: @text-color-link;
        img.content-mask { background-color: @text-color-link; }
        cursor: default;
      }
    }
  }

  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: 13px;
    display: block;
    &:hover {
      cursor: default;
    }
  }

  .collapsed-composer-participants {
    position: relative;
    margin: 0 23px;
    border-bottom: 1px solid @border-color-divider;
    flex-shrink:0;
    color: @text-color-very-subtle;
    padding: 10px 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;
      margin-top: 2px;
    }

    .num-remaining-wrap {
      position: absolute;
      right: -3px;
      z-index: 2;
      top: 6px;
      .show-more-fade {
        position: absolute;
        width: 190px;
        height: 32px;
        right: 0;
        top: 0;
        background: linear-gradient(to right, fade(@background-primary, 0%) 0%, fade(@background-primary, 100%) 40%);
      }
    }
  }

  .composer-subject {
    position: relative;
    margin: 0;
    flex-shrink:0;

    &:after {
      .composer-field-bottom-border;
    }

    // for Mail Merge
    div[contenteditable] {
      padding-left: 22px;
      padding-right: 22px;
    }

    input {
      display: inline-block;
      padding: 13px 22px 9px 22px;
      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-x: auto;
    position: relative;
    margin: 0;

    .quoted-text-control {
      position: relative;
      // The quoted-text-control has no top margin since the
      // div[contentedtiable] has 10px of bottom padding. It's better to
      // put the padding on the contenteditable so the bottom looks nice
      // in popout windows when there's no quoted text control.
      margin: 0 @spacing-standard @spacing-standard 22px;

      .remove-quoted-text {
        display: none;
        cursor: pointer;
        position: absolute;
        z-index: 2;
        right: -6px;
        top: -6px;
        border-radius: 0 0 0 3px;
        &:active {
          background: none;
          -webkit-filter: brightness(95%);
        }
        img {
          height: 24px;
        }
      }

      &:hover .remove-quoted-text {
        display: block;
      }
    }

    // All of the padding is placed on the contenteditable itself so
    // clicks on the margins register within the region.
    div[contenteditable] {
      padding: 20px 22px 0 22px;
      min-height: @compose-min-height;
    }
  }

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

  // TODO FIXME DRY From stylesheets/message-list.less
  .attachments-area {
    padding: 0;
    margin: 0 8px;
  }
}

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

    .composer-action-bar-content {
      padding: 9px 13.5px 9px 22.5px;
    }

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

  }

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

// Overrides for the composer in a message-list
#message-list {
  .message-item-wrap {
    .message-item-white-wrap.composer-outer-wrap {
      background: @blurred-primary-color;

      .btn.btn-toolbar.btn-trash {
        padding-right: 0;
      }
      .show-more-fade {
        background: linear-gradient(to right, fade(@blurred-primary-color, 0%) 0%, fade(@blurred-primary-color, 100%) 40%);
      }
      .composer-action-bar-wrap {
        @action-bar-bg: @blurred-off-primary-color;
        background: @action-bar-bg;
        .action-bar-cover-gen;
      }
    }
    .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%);
      }
      .composer-action-bar-wrap {
        @action-bar-bg: @background-off-primary;
        background: @action-bar-bg;
        .action-bar-cover-gen;
      }
    }
  }
}


//////////////////////////////////
// participants-text-field.cjsx //
//////////////////////////////////
.composer-participant-field {
  position: relative;
  margin: 0;
  flex-shrink: 0;
  min-height: 46px;
  color: @text-color;

  .tokenizing-field-wrap {
    padding: 0 22px;
  }
  .content-container {
    margin-left: 22px;
    width: calc(~"100% - 44px");
  }
  .button-dropdown {
    .content-container {
      margin-left: 0;
      width: 100%;
    }
  }
  &:after {
    .composer-field-bottom-border;
  }

  &.from-field {
    padding: 0 22px;
  }

  .from-single-name {
    &:hover {
      cursor: default;
    }
  }

  .button-dropdown {
    margin-left: 10px;
    padding-top: 11px;
    vertical-align: -webkit-baseline-middle;

    .primary-item, .only-item {
      line-height: 2em;
    }
    &:hover {
      .primary-item,
      .only-item {
        border-radius: @border-radius-base;
      }
    }
    .secondary-items {
      border-radius: @border-radius-base;
    }
    .item {
      .contact.is-alias {
        font-style: italic;
        padding-left: @padding-small-horizontal;
        border-left: 2px solid @border-color-divider;
        margin-left: 2px;
      }
    }
  }

  .participant {
    display: flex;
    align-items: center;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;

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

  .tokenizing-field-input {
    margin-left: 2.8em;
  }
}


//////////////////////////////////
//      Overlaid Components     //
//////////////////////////////////
.overlaid-components {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  line-height: 1.4; // must match contenteditable container
  overflow: visible;
  z-index: 1;
}
img.n1-overlaid-component-anchor-container {
  border: 0;
  vertical-align: baseline;
}
.toggle-preview {
  position: absolute;
  top: 5px;
  right: 20px;
  font-size: @font-size-smaller;
  opacity: 0.3;
  cursor: pointer;
  &:hover {
    cursor: pointer;
    opacity: 1;
  }
}