@use "../../styles/mixins";

.root {
  --color-story-meta: rgb(242, 242, 242);

  position: fixed;
  z-index: var(--z-story-viewer);
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform-origin: 50% 50%;

  // Potential perf improvement
  &:not(:global(.shown)) {
    transform: scale(0);
    display: block !important;
  }

  &:global(.opacity-transition) {
    transition: opacity 250ms;
  }

  :global(.text-entity-link) {
    --color-links: var(--color-white);

    text-decoration: underline !important;

    &:hover {
      text-decoration: none !important;
    }
  }
}

.fullSize, .backdrop, .captionBackdrop {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.captionBackdrop {
  background-color: rgba(0, 0, 0, 0.5);
}

.backdrop {
  z-index: 0;
  background-color: rgba(0, 0, 0, 0.9);

  @media (max-width: 600px) {
    background: rgba(0, 0, 0, 1);
  }
}

.backdropNonInteractive {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  transform: translateY(-50%);
}

.close {
  position: absolute;
  z-index: 3;
  top: 1rem;
  right: 1rem;

  @media (max-width: 600px) {
    display: none;
  }
}

.wrapper {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 50%;
  transform: translateX(-50%);

  overflow: hidden;

  width: 100vw;
  max-width: calc(73.5rem * var(--story-viewer-scale));
  height: 100%;

  @media (max-width: 600px) {
    max-width: 100%;
  }
}

.slideAnimation {
  /* Slide switching is made using the `onTransitionEnd` event, so don't remove the animation */
  transition: transform 350ms ease-in-out !important;
}

.slideAnimationToActive {
  --border-radius-default-small: 0.25rem;

  &::before {
    pointer-events: none;
    content: "";

    position: absolute;
    z-index: 1;
    top: 0;
    right: 0;
    left: 0;

    height: 4.5rem;

    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0));
  }

  .content {
    opacity: 0;
  }
}

.slideAnimationFromActive {
  .storyHeader,
  .composer,
  .caption,
  .captionGradient,
  .captionBackdrop {
    opacity: 0;
    transition: opacity 250ms ease-in-out;
  }
  .media:not(.mediaPreview) {
    opacity: 0 !important;
  }
  .mediaPreview {
    opacity: 1;
  }

  .content {
    visibility: visible;
    opacity: 1 !important;
  }

  .contentInner {
    width: 100%;
  }

  .name {
    width: calc(100% * var(--slide-translate-scale));
  }
}

.slide {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: 0 50%;
  transform:
    translate3d(
      calc(var(--slide-x, -50%) - var(--slide-translate-x, 0px)),
      calc(-50% - var(--slide-translate-y, 0px)),
      0
    )
    scale(var(--slide-translate-scale, 1));

  border-radius: var(--border-radius-default-small);

  @for $i from -4 through 4 {
    $slideWidth: 10.875rem;
    $basis: 4.25rem;

    @if $i < 0 {
      $basis: -12.625rem;
    }

    $offset: $basis + $i * $slideWidth;

    &:global(.slide-#{$i}) {
      --slide-x: calc(#{$offset} * var(--story-viewer-scale));
    }
  }
}

.mobileSlide {
  transform: translateY(var(--slide-translate-y, 0px));
  width: 100%;
  height: 100%;
}

.slidePreview {
  overflow: hidden;
  transition: opacity 200ms ease-in-out;

  &.slideAnimationToActive::before {
    opacity: 0;
    transition: opacity 350ms ease-in-out !important;
  }

  .root:global(.not-open) &,
  :global(body.ghost-animating) & {
    opacity: 0;
  }
}

.activeSlide {
  z-index: 1;
  height: calc(var(--slide-media-height) + 3.5rem);

  &::before {
    pointer-events: none;
    content: "";

    position: absolute;
    z-index: 3;
    top: 0;
    right: 0;
    bottom: 3.5rem;
    left: 0;

    opacity: 0;
    background: rgba(0, 0, 0, 0.5);
  }

  .content {
    transform: scale(var(--slide-content-scale, 1));
    opacity: 0;
  }
}

.slideInner {
  position: absolute;
  top: 0;
  left: 0;

  width: 100%;
  height: 100%;
}

.mediaWrapper {
  position: absolute;
  top: 0;
  left: 0;

  overflow: hidden;

  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-default-small);

  background: #000;

  :global(body.ghost-animating) & {
    visibility: hidden;
  }

  @media (max-width: 600px) {
    bottom: calc(3.5rem + env(safe-area-inset-bottom));
    width: calc(100% - 1rem) !important;
    height: auto !important;
    margin: 0.5rem;
  }
}

.media {
  position: absolute;
  top: 0;
  left: 0;

  width: inherit;
  height: inherit;
  border-radius: var(--border-radius-default-small);

  object-fit: cover;

  transition: opacity 300ms;

  :global(body.ghost-animating) .activeSlide & {
    visibility: hidden;
  }

  @media (max-width: 600px) {
    bottom: 0;
    width: 100%;
    height: 100%;
  }
}

.content {
  pointer-events: none;

  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;

  height: 100%;

  background: rgba(0, 0, 0, 0.5);

  transition: opacity 250ms ease-in-out;
}

.contentInner {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  display: flex;
  flex-direction: column;
  align-items: center;

  max-width: 90%;

  text-align: center;
}

.name {
  overflow: hidden;

  max-width: 100%;
  margin-top: 0.25rem;

  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.forward {
  position: absolute;
  z-index: 2;
  right: 0.75rem;
  bottom: 4.25rem;

  opacity: 0.5;

  transition: opacity 300ms;

  &:hover {
    opacity: 1;
  }

  @media (max-width: 600px) {
    bottom: 4.75rem;
  }
}

// Shared styles for the header that are also used in ghost animation

@mixin story-header {
  content: "";

  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;

  width: 100%;
  height: 5rem;
  border-radius: var(--border-radius-default-small) var(--border-radius-default-small) 0 0;

  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
}

.storyHeader {
  @include story-header;

  :global(body.ghost-animating) & {
    background: none;
  }

  @media (max-width: 600px) {
    top: 0.5rem;
    right: 0.5rem;
    left: 0.5rem;
    width: auto;
  }
}

.storyIndicators {
  position: absolute;
  z-index: 2;
  top: 0.5rem;
  left: 0;

  display: flex;

  width: 100%;
  height: 0.125rem;
  padding: 0 0.375rem;
}

.sender {
  position: absolute;
  z-index: 2;
  top: 1.25rem;
  right: 0.5rem;
  left: 1rem;

  display: flex;
  align-items: center;

  color: var(--color-white);
}

.senderInfoTransition {
  position: absolute;
}

.senderInfo {
  display: flex;
  align-items: center;
}

.senderMeta {
  overflow: hidden;
  display: flex;
  flex-direction: column;

  margin-left: 0.75rem;

  line-height: 1.25rem;
}

.senderName {
  cursor: var(--custom-cursor, pointer);

  overflow: hidden;

  min-width: 0;

  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.storyMetaRow {
  overflow: hidden;
  display: flex;
  align-items: center;
}

.storyMeta {
  overflow: hidden;

  font-size: 0.875rem;
  color: var(--color-story-meta);
  text-overflow: ellipsis;
  white-space: nowrap;

  & + & {
    margin-left: 0.375rem;

    &::before {
      content: "";

      position: relative;
      top: -0.125rem;

      display: inline-block;

      width: 0.25rem;
      height: 0.25rem;
      margin-inline-end: 0.375rem;
      border-radius: 50%;

      background-color: var(--color-white);
    }
  }
}

.closeButton {
  display: none;

  @media (max-width: 600px) {
    display: flex;
  }
}

.actions {
  display: flex;
  align-items: center;
  margin-inline-start: auto;

  :global(.Button) {
    color: white;

    @media (max-width: 600px) {
      display: flex;
      &:active,
      &.active,
      &:hover,
      &:focus {
        background: none !important;
      }
    }
  }
}

.visibilityButton {
  cursor: var(--custom-cursor, pointer);

  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-width: 1.5rem;
  height: 1.5rem;
  margin: 0 0.375rem;
  border-radius: 1.5rem;

  font-size: 0.75rem;
  color: #fff;

  background: linear-gradient(180deg, var(--color-from) 0%, var(--color-to) 100%);

  > :global(.icon + .icon) {
    margin-left: 0.125rem;
  }
}

.visibilityButtonSelf {
  padding: 0 0.25rem 0 0.375rem;
}

.button {
  margin-left: 0.5rem;

  > :global(.icon) {
    font-size: 1.5rem !important;
  }
}

.buttonMenu :global(.MenuItem:not(.destructive)) {
  color: var(--color-text) !important;
}

.buttonMenu > :global(.Button.translucent) {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-white);
  opacity: 0.5;

  &:hover {
    opacity: 1;
  }
}

.captionGradient {
  pointer-events: none;

  position: absolute;
  right: 0;
  bottom: 3.5rem;
  left: 0;

  overflow: hidden;

  height: 7rem;
  border-radius: 0 0 var(--border-radius-default-small) var(--border-radius-default-small);

  background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 100%);
}

.caption {
  pointer-events: none;

  position: absolute;
  top: 4rem;
  bottom: calc(4.25rem + env(safe-area-inset-bottom));
  left: 0;

  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;

  width: 100%;
  border-radius: 0 0 var(--border-radius-default-small) var(--border-radius-default-small);
}

.captionInner {
  scrollbar-gutter: stable;

  position: relative;

  unicode-bidi: plaintext;
  overflow-x: hidden;
  overflow-y: scroll;

  padding: 2rem 1rem 0;

  line-height: 1.25rem;
  text-align: initial;
  overflow-wrap: anywhere;
  white-space: pre-wrap;

  @include mixins.adapt-padding-to-scrollbar(2rem);
}

.captionContent {
  pointer-events: all;

  display: flex;
  flex-direction: column;

  width: 100%;
  min-height: 0;

  font-size: var(--message-text-size, 1rem);
  color: var(--color-white);
}

.captionText :global(.custom-emoji) {
  vertical-align: middle;
}

.hasOverflow {
  --_overflow-shift: 5.75rem;

  transform: translateY(calc(100% - var(--_overflow-shift)));
}

.expanded {
  transition: transform 400ms;

  @include mixins.gradient-border-top(2rem);

  &::before {
    opacity: 1;
  }
}

.animate {
  transform: translateY(0) !important;
}

.withShowMore {
  cursor: var(--custom-cursor, pointer);

  .captionInner {
    overflow-y: hidden;

    -webkit-mask-composite: xor;
    mask-composite: exclude;

    mask-image: linear-gradient(to top, black 0%, black 0%), linear-gradient(to left, black 75%, transparent 100%);
    mask-position: 100% 100%, 100% calc(var(--_overflow-shift) - 1.25rem);
    mask-repeat: no-repeat;
    mask-size: 100% 100%, calc(var(--expand-button-width, 0%) + 4rem) 1.25em;
  }
}

.captionShowMore {
  cursor: var(--custom-cursor, pointer);

  position: absolute;
  right: 0.5rem;
  bottom: -0.25rem;

  font-weight: var(--font-weight-medium);
  color: var(--color-white);
}

.composer {
  --color-background: #212121;
  --color-placeholders: #707478;
  --color-composer-button: #707478;

  position: absolute;
  z-index: 3;
  bottom: 0;
  left: 0;

  height: 3rem;
  margin-bottom: 0;

  transition: transform var(--layer-transition), opacity 0.15s ease;

  &:global(.Composer) {
    @media (max-width: 600px) {
      margin-bottom: env(safe-area-inset-bottom);
      padding: 0 0.5rem 0.5rem;
    }
  }

  :global(.SymbolMenu .bubble) {
    --offset-y: 3.25rem;
    --offset-x: 4%;
    --color-background-compact-menu: rgba(0, 0, 0, 0.3);
    --color-interactive-element-hover: rgba(255, 255, 255, 0.1);
    --color-text-secondary: #aaa;
    --color-text-secondary-rgb: 255, 255, 255;
    --color-text-lighter: #ccc;
    --color-text: #fff;
    --color-default-shadow: rgba(0, 0, 0, 0.3);
    --color-background-selected: rgba(0, 0, 0, 0.2);
  }

  :global(.composer-wrapper) {
    max-width: 100%;
  }

  :global(.message-input-wrapper .recording-state) {
    color: #fff;
  }

  :global(.SymbolMenu-footer .Button.activated) {
    --color-text: #fff;
  }

  :global(.input-scroller) {
    --color-text: #fff;

    max-height: 8rem;
  }

  :global(.is-symbol-menu-open) & {
    transform: translate3d(0, calc(-1 * (var(--symbol-menu-height))), 0);
  }
}

.navigate {
  cursor: var(--custom-cursor, pointer);

  position: absolute;
  top: 0;
  bottom: 0;

  width: 50%;
  margin: 0;
  padding: 0;
  border: none;

  background: none;
  outline: none !important;
}

.prev {
  left: 0;
}

.next {
  right: 0;
}

.modal :global(.modal-content) {
  max-height: min(35rem, 80vh);
  padding: 0.5rem !important;
}

.thumbnail {
  position: absolute;
  top: 0;
  left: 0;

  display: block;

  width: 100%;
  height: 100%;

  object-fit: cover;

  @media (max-width: 600px) {
    border-radius: var(--border-radius-default-small);
  }
}

.ghost {
  position: absolute;
  z-index: 1;

  overflow: hidden;

  border-radius: var(--border-radius-default-small);

  transition: transform 200ms ease;

  &:before {
    @include story-header;
  }
}

.ghost2 {
  position: absolute;
  z-index: 1;

  overflow: hidden;

  border-radius: 50%;

  opacity: 0;

  transition: transform 200ms ease, opacity 200ms ease;
}

.ghostImage {
  -webkit-user-select: none;
  user-select: none;

  width: 100%;
  height: 100%;

  object-fit: cover;
}

.forwardHeader {
  display: flex;
  gap: 0.125rem;
  align-items: center;

  &.clickable {
    cursor: var(--custom-cursor, pointer);

    &:hover {
      text-decoration: underline;
    }
  }
}

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

.forwardInfo {
  --accent-color: var(--color-white);
  --accent-background-color: rgba(0, 0, 0, 0.5);

  z-index: 1;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 0.5rem;
}

.fromPeer {
  cursor: var(--custom-cursor, pointer);
  display: flex;
  gap: 0.25rem;
  align-items: center;

  &:hover {
    text-decoration: underline;
  }
}
