/**
 * BiDi note: because this stylesheet is 'scoped', instead of:
 *     html[dir="rtl"] #volume { ... }
 * we must use:
 *     #volume:-moz-dir(rtl) { ... }
 */

 /* Individual style; to avoid utility tray patches to break lockscreen notitifications. */
#notifications-lockscreen-container .notification {
  position: relative;
  height: 6rem;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.9rem;
  border-top: 0.1rem solid transparent;
  border-bottom: 0.1rem solid transparent;
  outline: 0;
}

#notifications-lockscreen-container .notification:first-child {
  border-top-color: black;
}

#notifications-lockscreen-container .notification div {
  pointer-events: none;
}
:-moz-dir(ltr) #notifications-lockscreen-container .notification div {
  text-align: left;
}
:-moz-dir(rtl) #notifications-lockscreen-container .notification div {
  text-align: right;
}

#notifications-lockscreen-container .notification > div.title-container {
  margin-top: 1rem;
  font-size: 1.5rem;
  font-weight: 500;
  color: #fff;
  display: flex;
}

#notifications-lockscreen-container .notification > div {
  width: calc(100% - 6.5rem);
  margin-inline-start: 5rem;
  color: #bfbfbf;
  font-size: 1.4rem;
  line-height: 1.9rem;
  min-height: 1.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#notifications-lockscreen-container .notification > img {
  display: block;
  width: 3rem;
  height: 3rem;
  margin: 1.5rem 1rem;
  pointer-events: none;
}
:-moz-dir(ltr) #notifications-lockscreen-container .notification > img { float: left; }
:-moz-dir(rtl) #notifications-lockscreen-container .notification > img { float: right; }

#notifications-lockscreen-container .notification > div.title-container .title {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  margin-inline-end: .5rem;
}

#notifications-lockscreen-container .notification.actionable {
  /* Can't set border as none because it affects layout,
   * so we do this to hide them */
  border-color: rgba(0, 0, 0, 0);
}

#notifications-lockscreen-container .notification.actionable > div {
  /* 18rem is the magic number to make sure it get truncated before the actionable button */
  /* ideally it should be */
  /*    width: calc(100% - var(--padleft-button) - var(--width-actionable-button)); */
  /* but it would fail and make the content too short. */
  width: 18rem;
}

#notifications-lockscreen-container .notification.actionable > div:first-of-type {
  width: 18.5rem;
}

#notifications-lockscreen-container .notification.actionable .timestamp {
  display: none;
}

#notifications-lockscreen-container .notification::before {
  content: "";
  position: absolute;
  width: 100%;
  top: -1.1rem;
  offset-inline-start: 0;
  height: 6rem;
  background-color: rgba(51, 51, 51, 0.3);
  z-index: -1;  /* make this as 'background' */
  opacity: 0.0;
  transition: opacity .25s ease-out;
}

#notifications-lockscreen-container .notification.actionable::before {
  opacity: 1.0;
  transition: opacity .25s ease-out;
}

/* for the border */
#notifications-lockscreen-container .notification::after {
  content: "";
  position: absolute;
  width: calc(100% - 4.8rem);
  top: -1.1rem;
  offset-inline-start: 0;
  height: 6rem;
  z-index: -1;  /* make this as 'background' */
  border-top: none;
  border-bottom: 0.1rem solid rgba(255, 255, 255, 0.3);
  margin-inline-start: 2.4rem;
}

#notifications-lockscreen-container > div:last-child::after {
  border-bottom: 0.1rem solid rgba(255, 255, 255, 0.0);
}

/* since CSS don't have 'previous' selector */
#notifications-lockscreen-container .notification.actionable::after,
#notifications-lockscreen-container .notification.previous-actionable::after {
  display: none;
}

#notifications-lockscreen-container .button-actionable {
  border-inline-start: 0.1rem rgba(255, 255, 255, 0.15) solid;
  color: rgba(0, 202, 242, 1);
  display: inline-block;


  font-size: var(--button-label-size);
  font-family: "Fira Sans";
  font-weight: normal;
  font-style: italic;
  position: absolute;

  /* from the border line to the text */
  padding-inline-start: var(--padleft-button);

  /* 0.3rem is the magic number to make it (with the border) vertical-align: middle*/
  top: 0.3rem;

  /* 100% - the actionable area + the margin of the actionable area */
  /* The 0.8rem is for alignment of the position of previous timestamp */
  /* The 0.3rem is for centering the vertical bar of the button */
  offset-inline-start: calc(100% - var(--width-actionable-button) + 1.4rem);
  height: 3.5rem;
  line-height: 3.3rem;  /* to make the lable vertical-align: middle */
  transition-property: color, text;
  transition-duration: 0.25s;
  transition-timing-function: linear, ease-in;
}

/* When the notification be touched and the button has been tapped */
#notifications-lockscreen-container .notification.actionable.activated  .button-actionable,
#notifications-lockscreen-container .button-actionable.activated {
  color: rgba(0, 202, 242, 0.2);
}

/* notifications */

/* in "normal" mode (there is no widget)
 * desired vertical position is centered in the space
 * between date and slider
 * for big screen, we allow four notifications,
 * for small screen, we allow three notification
 * that would be (for four notifications)
 * (100% - 16.3rem (header) - 3rem (statusbar)
 *  - 10rem (slider) - 24.6rem (4xNotifications height)) / 2
 *  + 16.3rem + 3rem
 */

#notifications-lockscreen-container {
  --width-actionable-button: 8.3rem;
  --padleft-button: 1.1rem;
  --button-label-size: 1.4rem;
  z-index: 1;
  position: absolute;
  top: calc(50% - 7.65rem);
  left: 0;
  width: 100%;
  height: 24.6rem;
  overflow-x: hidden;
  overflow-y: auto;

  background-color: transparent;
}

/* in collapsed mode (there is a widget)
 * desired vertical position is manually adjusted for big screen,
 *  and for big screen we allow three notifications
 * for small screen, we allow two notification; they are
 * vertically centered between date and music player widget
 */
#notifications-lockscreen-container.collapsed {
  top: calc(50% - 8.7rem);
  height: 17.7rem;
}

#notifications-lockscreen-container.masked-both {
  mask: url('lockscreen_container_mask.svg#fade_mask_both');
}

#notifications-lockscreen-container.masked-top {
  mask: url('lockscreen_container_mask.svg#solid_mask_top');
}

#notifications-lockscreen-container.masked-top.top-actionable {
  mask: none;
}

@media (max-height:480px) {
 /* small screen, normal mode: for three notifications...
  * (100% - 16.3rem (header) - 3rem (statusbar)
  *  - 10rem (slider) - 18.8rem (3xNotifications height)) / 2
  *  + 16.3rem + 3rem
  */

  #notifications-lockscreen-container {
    top: calc(50% - 4.7rem);
    height: 18.8rem;
  }

 /* small screen, collapsed mode: for one notification...
  * manally adjusted according to UX; 1x Notification is 5.8rem
  * UX specifies in bug 1023500 that the container should not be scrollable
  * (so there is no mask either)
  *
  * Bug 1115921 specifies that in this condition, the notification should
  * be vertically centered, thus 2.5rem which puts it in the middle
  */
  #notifications-lockscreen-container.collapsed {
    top: calc(50% - 2.5rem);
    height: 5.8rem;
    overflow-y: hidden;
  }

  #notifications-lockscreen-container.collapsed.masked-top,
  #notifications-lockscreen-container.collapsed.masked-both {
    mask: none;
  }
}

#notifications-lockscreen-container .notification {
  position: relative;
  background-color: transparent;
  border-top: none;
  /* delegate border to :after element while keeping layout correct */
  border-bottom: 0.1rem solid rgba(0, 0, 0, 0);
  height: 4.8rem;
  margin: 0;
  padding-inline-start: 2.4rem;
  padding-inline-end: 2.4rem;
  width: calc(100% - 4.8rem);
}

#notifications-lockscreen-container .notification:first-child {
  border-top: none;
}

#notifications-lockscreen-container .notification:last-child {
  border-bottom: none;
  margin-bottom: 1.2rem;
}

#notifications-lockscreen-container.collapsed .notification:last-child {
  margin-bottom: 0.05rem;
}

#notifications-lockscreen-container .notification > div {
  width: calc(100% - 3.6rem);
  margin-inline-start: 3.6rem;
  color: #ffffff;
}

#notifications-lockscreen-container .notification > .title-container div:first-of-type {
  width: calc(100% - 9.4rem);
  font-size: 1.4rem;
}

#notifications-lockscreen-container .notification > div.detail {
  margin-top: 0.2rem;
}

#notifications-lockscreen-container .notification > div.detail .detail-content {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#notifications-lockscreen-container .notification > .title-container .timestamp {
  margin-top: 0.1rem;
  color: rgba(255, 255, 255, 0.6);

  flex: initial;
  top: -.2rem;
  offset-inline-end: 1.5rem;
  padding: 0;
  max-width: 6.5rem;
  font-size: 1.2rem;
  font-style: italic;
  font-weight: normal;
  line-height: 1.6rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#notifications-lockscreen-container .notification > img {
  margin-top: 0.8rem;
  margin-inline-start: 0;
  width: 2.4rem;
  height: 2.4rem;
}

#lockscreen-notification-arrow {
  width: calc(100% - 5.2rem);
  height: 1.6rem;
  background-image: url('./images/lockscreen_notification_arrow.png');
  background-repeat: no-repeat;
  background-position: calc(50% + 0.25rem) center;
  /* hide it while we adjust no layout */
  border-top: 0.1rem solid rgba(255, 255, 255, 0.0);

  position: absolute;
  z-index: 1;
  background-size: 1.6rem 1.6rem;
  margin: 0 2.4rem;

  opacity: 0;
  transition: opacity var(--transition-duration) ease;
}
:-moz-dir(ltr) #lockscreen-notification-arrow { left: 0; }
:-moz-dir(rtl) #lockscreen-notification-arrow { right: 0; }

#lockscreen-notification-arrow.visible {
  opacity: 1;
}

/* please see how we calculate top and max-height of
 * #notifications-lockscreen-container to place the arrow's top.
 * the last offset in calc is to make sure hairlines align together,
 * and is empirical values.
 */
#lockscreen-notification-arrow {
  top: calc(50% - 7.65rem + 24.6rem - 1.2rem);
}

#lockscreen-notification-arrow.collapsed {
  /* manually adjusted */
  top: calc(50% - 8.7rem + 17.7rem - 0.05rem);
}

@media (max-height:480px) {
  #lockscreen-notification-arrow {
    top: calc(50% - 4.7rem + 18.8rem - 1.1rem);
  }

  #lockscreen-notification-arrow.collapsed {
    /* UX specifies in bug 1023500 that the notifications
       container should not be scrollable with collapsed */
    display: none;
  }
}