/* Bubbles, replies, reactions, and inline media. */

.msg {
  display: flex;
  max-width: 100%;
  margin-top: 2px;
}
.msg.out { justify-content: flex-end; }
/* First message of a run gets breathing room above it. */
.msg.lead { margin-top: 10px; }

.bubble {
  position: relative;
  max-width: min(72%, 620px);
  padding: 6px 10px 6px;
  border-radius: var(--radius-bubble);
  /* Opacity is a setting, so it is composed here rather than baked into the
     colour -- an imported theme supplies a solid colour and still respects it. */
  background: color-mix(in srgb, var(--bubble-in)
              calc(var(--bubble-alpha) * 100%), transparent);
  color: var(--bubble-in-text);
  box-shadow: var(--shadow);
  /* Long unbroken URLs must not force the column wider. */
  overflow-wrap: anywhere;
  animation: bubble-in var(--dur) var(--spring) both;
}
.out .bubble {
  background: color-mix(in srgb, var(--bubble-out)
              calc(var(--bubble-alpha) * 100%), transparent);
  color: var(--bubble-out-text);
}

/* Telegram tucks the corner nearest the previous message of the same run. */
.msg.tail-in .bubble { border-bottom-left-radius: 5px; }
.msg.tail-out .bubble { border-bottom-right-radius: 5px; }

@keyframes bubble-in {
  from { opacity: 0; transform: translateY(6px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.sender {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1px;
}
.out .sender { color: var(--bubble-out-text); opacity: 0.9; }

.text {
  font-size: 14px;
  line-height: 1.32;
  white-space: pre-wrap;
}
.text a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.out .text a { color: #fff; }
.text code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
  background: rgba(127, 127, 127, 0.18);
  padding: 1px 4px;
  border-radius: 4px;
}
.text .spoiler {
  background: currentColor;
  border-radius: 3px;
  cursor: pointer;
  transition: color var(--dur) var(--spring);
}
.text .spoiler.revealed { background: none; }

/* Time (and edited marker) trails the last line, as in the desktop app. */
.meta {
  float: right;
  margin: 6px 0 -2px 8px;
  font-size: 11px;
  line-height: 1;
  color: var(--bubble-meta);
  white-space: nowrap;
  user-select: none;
  font-variant-numeric: tabular-nums;
}
.out .meta { color: var(--bubble-meta-out); }
.meta .edited { font-style: italic; opacity: 0.85; margin-right: 3px; }

/* ---- reply ------------------------------------------------------------- */

.reply {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  font: inherit;
  color: inherit;
  border-left: 2px solid var(--accent);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 4px;
  background: rgba(127, 127, 127, 0.14);
  cursor: pointer;
  transition: background var(--dur-fast) var(--spring-fast);
}
.reply:hover { background: rgba(127, 127, 127, 0.24); }
.out .reply { border-left-color: var(--bubble-out-text); }
.reply b {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.out .reply b { color: var(--bubble-out-text); }
.reply span {
  display: block;
  font-size: 13px;
  opacity: 0.75;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- reactions --------------------------------------------------------- */

.reactions { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.reaction {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: rgba(127, 127, 127, 0.2);
  font-size: 12px;
  line-height: 1.4;
  user-select: none;
}
.out .reaction { background: rgba(255, 255, 255, 0.22); }

/* ---- media ------------------------------------------------------------- */

/* Every media element is given explicit pixel dimensions computed from the
   export's own width/height, so the aspect ratio is always exact and the
   space is reserved before the bytes arrive. Never rely on max-width plus
   max-height alone -- they clamp each axis independently and squash the
   image. */
.media {
  display: block;
  border-radius: 10px;
  background: rgba(127, 127, 127, 0.12);
  object-fit: cover;
}
.bubble .media { margin: -2px 0 2px; }
.bubble.media-only { padding: 3px; background: none; box-shadow: none; }
.bubble.media-only .media { margin: 0; }
.bubble.media-only .meta {
  position: absolute;
  right: 10px;
  bottom: 10px;
  margin: 0;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Stickers float free: no bubble, no shadow. */
.bubble.sticker-only {
  background: none;
  box-shadow: none;
  padding: 0;
}
.bubble.sticker-only .media { background: none; }
.bubble.sticker-only .meta {
  position: absolute;
  right: 4px;
  bottom: 4px;
  margin: 0;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
}

.duration {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
}

/* ---- absent media ------------------------------------------------------ */

/* Shaped from the export's stored width/height even though the file is gone,
   so the layout matches what was really there. */
.absent {
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(127, 127, 127, 0.16);
}
/* The sweep is a translated element, not an animated background-position.
   background-position is not a composited property: every frame repaints on
   the main thread, and `ease-in-out` decelerates into the loop boundary so the
   restart reads as a stutter a couple of seconds in. A linear transform runs
   on the compositor and both endpoints sit fully off-box, so the wrap is
   invisible. */
.absent::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -150%;
  width: 150%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.16) 50%,
    transparent 100%
  );
  animation: twinkle 2.6s linear infinite;
  animation-play-state: var(--shimmer);
}
@keyframes twinkle {
  from { transform: translateX(0); }
  /* 166.67% of a 150%-wide box == 2.5x the box width: fully clear on both
     sides, so there is no visible jump when the keyframes wrap. */
  to { transform: translateX(166.67%); }
}
@media (prefers-reduced-motion: reduce) {
  .absent::after { animation: none; opacity: 0.5; }
}
.absent span {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  padding: 8px;
  text-align: center;
}

/* ---- file / voice rows ------------------------------------------------- */

.file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 2px;
  min-width: 200px;
}
.file-row .glyph {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--on-accent);
  flex: none;
}
.file-row .glyph svg { width: 18px; height: 18px; }
.file-row .info { min-width: 0; }
.file-row .info b {
  display: block;
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-row .info span { font-size: 12px; opacity: 0.7; }

/* ---- service messages -------------------------------------------------- */

.service {
  align-self: center;
  margin: 8px 0;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: var(--scrim);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 12px;
  color: var(--text);
}

/* ---- group chats -------------------------------------------------------- */

/* A fixed gutter on incoming rows keeps every bubble on the same left edge,
   whether or not this particular row is the one showing the face. */
.msg-gutter {
  width: 32px;
  flex: none;
  margin-right: 7px;
  display: flex;
  align-items: flex-end;
}
.msg-face {
  cursor: pointer;
  transition: transform var(--dur-fast) var(--spring-fast);
}
.msg-face:hover { transform: scale(1.08); }

.sender.clickable { cursor: pointer; }
.sender.clickable:hover { text-decoration: underline; }

.forwarded {
  font-size: 12.5px;
  margin-bottom: 2px;
  color: var(--text-dim);
}
.forwarded b { font-weight: 600; }

/* Reaction pills carry the faces of who reacted -- in a group the emoji alone
   tells you nothing. */
.reaction-faces { display: flex; align-items: center; }
.reaction-faces .avatar {
  width: 16px;
  height: 16px;
  font-size: 8px;
  border: 1.5px solid var(--bubble-in);
  box-sizing: content-box;
}
.out .reaction-faces .avatar { border-color: var(--bubble-out); }
/* Overlap them so a busy reaction stays compact. */
.reaction-faces .avatar + .avatar { margin-left: -6px; }
.reaction-emoji { line-height: 1; }