#messages-container {
  /* We'll set flex-basis with a shrink factor of 0 to do min-height.
   * formula: flex-basis = a % + b)
   * a = (gap2 - gap1) / keyboard_height
   * b = gap2 - (gap2 - gap1) * (buri_height - header) / keyboard_height + subheader + time_header
   *
   * with :
   * gap1 = 4rem
   *   minimal visible part of a thread when the keyboard is displayed, on buri
   * gap2 = 8rem
   *   minimal visible part of a thread when the keyboard is hidden, on a buri
   * keyboard_height = 26rem
   *   measured on a buri, standard english keyboard with suggestions
   * header = 5rem
   * subheader = 2rem
   * buri_height = 48rem
   * time_header = 2rem
   *
   * See https://bugzilla.mozilla.org/show_bug.cgi?id=1015867#c12 for more
   * information
   */
  flex: 1 0 calc(15.4% + 5.38rem);
  overflow: auto;
}

#messages-new-message-notice {
  display: flex;
  flex-direction: row;

  padding: 1rem;
  padding-inline-start: 2rem;
  padding-inline-end: 1.5rem;
  overflow: hidden;

  white-space: nowrap;
  line-height: 2rem;
  font-size: 1.8rem;
}

#messages-new-message-notice a {
  margin: 0;
}

#messages-new-message-notice .contact {
  overflow: hidden;

  text-overflow: ellipsis;
  white-space: nowrap;
}

#messages-new-message-notice > .text-container {
  flex: auto;

  overflow: hidden;
}

#messages-new-message-notice > .button-container {
  flex: none;

  padding: 0.2rem;
  padding-inline-start: 1.5rem;
  padding-inline-end: 0;
}

/* remove margin for notice-button class of button */
.notice-button {
  margin: 0;
}

.group-header-title {
  display: flex;
  justify-content: center;
}

.carrier-wrapper {
  display: none;

  box-sizing: border-box;
  height: 2.2rem;
  padding: 0 1.5rem;

  font-size: 1.4rem;
  line-height: 2.2rem;
  text-align: start;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;

  background: rgba(255, 255, 255, 0.95);
  color: #333;
}

.carrier-wrapper .phone-carrier {
  color: #008787;
}

.has-carrier .carrier-wrapper {
  display: block;
}

#messages-container .messages-date-group-header {
  position: sticky;
  top: 0;
  z-index: 1;

  height: 2.2rem;
  margin: 0;
  padding: 0.6rem 3rem;

  font-size: 1.4rem;
  line-height: 2.2rem;
  text-transform: uppercase;

  background: rgba(225, 240, 236, 0.85);
  color: #008787;
}

/* If has carrier change top position */
.has-carrier #messages-container .messages-date-group-header {
  top: 2.2rem;
}

.has-carrier #messages-container > .messages-date-group:first-child > .messages-date-group-header {
  margin-top: 2.2rem;
}

/* TODO: check whether we need this rule */
#messages-container .messages-date-group-header.hidden {
  display: none;
}

.article-list[data-type="list"] .message {
  z-index: 0; /* bug 970422 */

  overflow: hidden;
  width: 100%;
  height: auto;
  padding-bottom: 1rem;
  border-bottom: none;
}

.article-list[data-type="list"] .message.hidden {
  display: none;
}

#messages-container[data-type="list"] .message.mms .bubble img {
  height: auto;
  width: auto;
}

/* transition in and out edit mode, both for LTR and RTL contexts */
.message .bubble {
  transition: transform var(--transition-duration) ease 0s;
}

/* RTL View */
#messages-header-text .ellipsis-dir-fix {
  width: auto;
}