#messages-compose-form {
  display: flex;
  flex-direction: column;

  height: auto; /* overrides building blocks */
  min-height: 4rem;

  background-color: #fff;
}

/* Overwrite. No more fixed height */
form[role="search"] p input,
form[role="search"] p textarea,
form[role="search"] button[type="submit"] + p > textarea {
  height: auto;
}

/*
 * Input now are contentEditable containers. We define
 * placeholder management here as well.
 */

#messages-input {
  position: relative; /* to position its generated content */

  overflow: auto;

  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding-inline-end: 0.5rem;

  color: #474747;
  border-inline-end: 0.1rem solid #ccc;

  font-size: 1.7rem;
  line-height: 2.1rem;

  unicode-bidi: -moz-plaintext;
}

#messages-input.placeholder {
  unicode-bidi: unset;
}

#messages-input:after {
  content: attr(title);
  position: absolute;

  top: 0;
  left: 0;
  right: 0;

  color: #9b9b9b;
  font-style: italic;
  white-space: nowrap;
  pointer-events: none;
  visibility: hidden;
}

#messages-input.placeholder:after {
  visibility: visible;
}

/* Overwrite BB because of the previous rule */
form[role="search"] button[type="submit"]:after {
    content: "";
    background: none;
}

.mms-label-line {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  background-color: #e1f0ec;
}

.subject-composer {
  position: relative;

  flex-grow: 1;
  min-width: 0;
  padding: 1rem 0 0.3rem;
}

.mms-label {
  padding: 1rem 0 0.3rem;
}

.mms-label,
.message-counter {
  display: none;
  flex: none;
  text-align: center;

  box-sizing: border-box;
  width: 6rem;

  color: #575757;

  font-size: 1.4rem;
}

.message-counter {
  padding-top: .7rem;
}

/**
 * 1. "MMS" label is displayed near the subject field when subject input is
 *    visible and message type is MMS;
 * 2. Remaining characters counter is displayed in bottom section if character
 *    count exceeds predefined threshold and message type is SMS.
 */
[data-message-type='mms'] .mms-label,
[data-message-type='sms'] .message-counter:not(:empty) {
  display: block;
}

.content-composer {
  display: flex;
  flex-direction: row;

  min-height: 0;
}

.subject-composer-input {
  position: relative;

  box-sizing: border-box;
  min-height: 2.2rem;
  padding: 0;
  padding-bottom: 0.1rem;
  padding-inline-start: 1.5rem;

  color: #008787;

  font-size: 1.7rem;
}

.subject-composer-placeholder {
  position: absolute;
  top: 1rem;
  /* adding both left/right so that it behaves correctly in RTL */
  left: 1.5rem;
  right: 1.5rem;

  color: #00adad;
  font-size: 1.7rem;
  font-weight: normal;
  font-style: italic;

  pointer-events: none;
}

.composer-message-input-container {
  position: relative;

  flex: auto;

  box-sizing: border-box;
  min-width: 0;
  height: 100%;
  min-height: 4rem;
  padding: 1rem 0;
}

.composer-button-container {
  position: relative;

  display: flex;
  flex: none;
  flex-direction: row;
  justify-content: center;
  align-content: space-between;
  flex-wrap: wrap;

  width: 6rem;

  -moz-user-select: none; /* without this, tapping on the element selects its content */
}

.messages-attach-container {
  display: flex;
}

#messages-send-button {
  height: 4rem;
  overflow: visible;
  background: #fff no-repeat center center / 3rem;

  align-self: flex-end;
}
html[dir="ltr"] #messages-send-button {
  background-image: image-set(url("images/icons/actionicon_sms_send_30x30.png") 1x, url("images/icons/actionicon_sms_send_30x30@1.5x.png") 1.5x, url("images/icons/actionicon_sms_send_30x30@2x.png") 2x, url("images/icons/actionicon_sms_send_30x30@2.25x.png") 2.25x);
  /* When we put the icon at the center, an optical illusion makes it look to be
   * slightly to the left, so we offset the button by 2px to the right to
   * counteract this illusion */
  transform: translate(.2rem);
}
html[dir="rtl"] #messages-send-button {
  background-image: url(images/icons/actionicon_sms_send_30x30_rtl.png);
  transform: translate(-.2rem);
}

#messages-send-button:after {
  display: none
}

#messages-send-button[disabled] {
  background-blend-mode: luminosity;
  opacity: 0.625;
}

#messages-attach-button {
  align-self: flex-end;
  flex: none;

  box-sizing: content-box;
  width: 3rem;
  margin: 0;
  padding: 0;
  padding-inline-start: 0.5rem;
  padding-inline-end: 1rem;

  background: transparent
              image-set(url("images/icons/actionicon_sms_add_attachment_30x30.png") 1x, url("images/icons/actionicon_sms_add_attachment_30x30@1.5x.png") 1.5x, url("images/icons/actionicon_sms_add_attachment_30x30@2x.png") 2x, url("images/icons/actionicon_sms_add_attachment_30x30@2.25x.png") 2.25x)
              no-repeat center / 3rem;
}

#messages-attach-button[disabled] {
  background-blend-mode: luminosity;
  opacity: 0.3;
}

/*
  DSDS
*/

.sim-indication {
  position: absolute;
  offset-inline-end: 1.8rem;
  bottom: 0.4rem;

  display: none;
  line-height: 1;

  color: #5f5f5f;
  font-size: 1.4rem;
  font-style: normal;
}

.sim-indication:before {
  position: absolute;
  /* 2.6rem from the end; means .8rem from .sim-indication */
  offset-inline-end: .8rem;
  bottom: -0.1rem;

  content: '...';

  color: #b2b2b2;
  font-size: 1.6rem;
}

button[disabled] .sim-indication {
  color: inherit;
}

.has-preferred-sim .sim-indication {
  display: block;
}

/**
 * Override Building Block [Input areas] styles
 * We should get rid of all [role="search"] Messages rules in bug 1055357.
 */
form.bottom[role="search"] {
  z-index: 3;
}