/* Shared ticker: topmost, full width, no pill/chip. Solid background for readability.
   Canonical strip (Display / Explore): keep rhythm stable when the track is empty vs full.
   Prompt #256 — visual/structural contract: docs/LANTERN_HEADER_CONTRACT.md */
#lanternTicker{
  flex-shrink: 0;
  width: 100%;
  --lantern-ticker-avatar-size: var(--lantern-content-author-avatar-size, 28px);
  --lantern-ticker-icon-slot: 1.15em;
  --lantern-ticker-item-gap: clamp(40px, 5vw, 72px);
  --lantern-ticker-copy-gap: 0.4em;
  --lantern-ticker-silhouette: url("/assets/fallback-avatar.png");
}
.lanternTicker{
  width: 100%;
  flex-shrink: 0;
  min-height: 48px;
  box-sizing: border-box;
  padding: 8px 0;
  background: var(--lantern-chrome-bg, #0f2744);
  border-bottom: 2px solid rgba(255,255,255,.18);
  overflow: hidden;
}
.lanternTickerWrap{
  width: 100%;
  overflow: hidden;
}
.lanternTickerTrack{
  display: flex;
  width: max-content;
  align-items: center;
  gap: var(--lantern-ticker-item-gap);
  white-space: nowrap;
  /* Duration here is only a pre-JS/measurement fallback — app/js/lantern-ticker.js overwrites
     animation-duration on every render using the canonical px/sec setting so actual on-screen
     speed stays constant regardless of content width or viewport (Prompt #110). */
  animation: lanternTickerScroll 40s linear infinite;
}
.lanternTickerTrack:hover{ animation-play-state: paused; }
.lanternTickerTrack .lanternTickerCopy{
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--lantern-ticker-item-gap);
}
.lanternTickerCopy[data-ticker-copy="clone"]{
  pointer-events: none;
}
.lanternTickerCopy + .lanternTickerCopy{
  position: relative;
}
.lanternTickerCopy + .lanternTickerCopy::before{
  content: "";
  position: absolute;
  left: calc(var(--lantern-ticker-item-gap) / -2);
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,.32);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.lanternTickerItem{
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  font-size: clamp(18px, 2.4vmin, 26px);
  font-weight: 900;
  color: #b9c6ea;
  letter-spacing: 1px;
  white-space: nowrap;
  position: relative;
}
.lanternTickerItem + .lanternTickerItem::before{
  content: "";
  position: absolute;
  left: calc(var(--lantern-ticker-item-gap) / -2);
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,.32);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.lanternTickerItem span.lanternTickerText{ color: #eaf0ff; }
.lanternTickerItemIcon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 var(--lantern-ticker-icon-slot);
  width: var(--lantern-ticker-icon-slot);
  height: var(--lantern-ticker-icon-slot);
  overflow: hidden;
  line-height: 1;
}
.lanternTickerItemIcon img{ width: 22px; height: 22px; object-fit: contain; vertical-align: middle; }
.lanternTickerAvatar{
  flex: 0 0 var(--lantern-ticker-avatar-size);
  width: var(--lantern-ticker-avatar-size);
  height: var(--lantern-ticker-avatar-size);
  border-radius: 50%;
  overflow: hidden;
  display: block;
  background-color: #2a3a52;
  background-image: var(--lantern-ticker-silhouette);
  background-size: cover;
  background-position: center;
  box-shadow: 0 0 0 1px rgba(255,255,255,.28);
}
.lanternTickerItemAvatar{
  width: var(--lantern-ticker-avatar-size);
  height: var(--lantern-ticker-avatar-size);
  border-radius: 50%;
  object-fit: cover;
  flex: 0 0 auto;
  display: block;
}
.lanternTickerItemAvatar--emoji{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  background: rgba(255,255,255,.12);
  box-sizing: border-box;
}
.lanternTickerItemLink,
.lanternTickerItemText,
.lanternTickerItemCopy{
  display: inline-flex;
  align-items: center;
  gap: var(--lantern-ticker-copy-gap);
  min-width: 0;
  max-width: min(70vw, 56rem);
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}
.lanternTickerItemLink:hover,
.lanternTickerItemLink:focus{
  text-decoration: underline;
}
.lanternTickerItemLead{
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  color: #eaf0ff;
}
.lanternTickerItemType{
  flex: 0 0 auto;
  color: #eaf0ff;
}
.lanternTickerItemColon{
  flex: 0 0 auto;
  color: #eaf0ff;
}
.lanternTickerItemSubject{
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  color: #eaf0ff;
  white-space: nowrap;
}
.lanternTickerItemDash{
  flex: 0 0 auto;
  color: #b9c6ea;
}
.lanternTickerItemAuthor,
.lanternTickerItemName{
  flex: 0 0 auto;
  color: #eaf0ff;
}
.lanternTickerItemRest{
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  color: #eaf0ff;
  white-space: nowrap;
}
@media (max-width: 640px){
  .lanternTickerAvatar,
  .lanternTickerItemAvatar{ flex: 0 0 var(--lantern-ticker-avatar-size); }
  .lanternTickerItemIcon{ flex: 0 0 var(--lantern-ticker-icon-slot); }
  .lanternTickerItemAuthor,
  .lanternTickerItemName{ flex-shrink: 0; }
  .lanternTickerItemLink,
  .lanternTickerItemText,
  .lanternTickerItemCopy{ max-width: min(78vw, 56rem); }
}
@keyframes lanternTickerScroll{
  0%{ transform: translateX(0); }
  100%{ transform: translateX(-50%); }
}
/* Prompt #110 — reduced-motion is a hard stop, not a slower canonical speed. `!important` on
   the shorthand wins over any inline animation-duration the JS sets, and Admin's configured
   speed has no path to override this — it is purely a user-agent/OS preference. */
@media (prefers-reduced-motion: reduce){
  .lanternTickerTrack{
    animation: none !important;
    transform: none;
  }
}