/* ── Pinned-messages side panel ──
   Sibling of the chat-messages-wrap inside .chat-area. Slides in from
   the right, similar to .search-panel and .thread-panel. Toggled by
   .app.pins-open class on #app — see openPinPanel / closePinPanel.

   The panel is rendered into via kcRenderPinList(). Each card mirrors
   a compact message bubble: author chip, time, body preview,
   "Перейти" → scroll to source. */

.pin-panel {
  width: 380px;
  flex-shrink: 0;
  background: var(--deep);
  border-left: 1px solid var(--border);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: panelSlideIn var(--transition);
}
.app.pins-open .pin-panel { display: flex; }

.pin-panel-header {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.pin-panel-title {
  font-size: var(--font-md); font-weight: 600; color: var(--ink);
  flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pin-panel-close {
  background: none; border: none; color: var(--ink-muted);
  width: 28px; height: 28px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.pin-panel-close:hover { background: var(--surface); color: var(--ink); }

.pin-panel-scroller {
  flex: 1; overflow-y: auto; padding: 10px 0;
}

.pin-card {
  display: flex; gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background var(--transition);
  border-bottom: 1px solid var(--border-subtle, var(--border));
}
.pin-card:last-child { border-bottom: none; }
.pin-card:hover { background: var(--surface); }
.pin-card-av {
  width: 32px; height: 32px; border-radius: 50%;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: var(--font-xs); font-weight: 600;
}
.pin-card-body { flex: 1; min-width: 0; }
.pin-card-row {
  display: flex; align-items: baseline; gap: 6px;
  margin-bottom: 2px;
}
.pin-card-author { font-weight: 600; color: var(--ink); font-size: var(--font-sm); }
.pin-card-time { font-size: var(--font-2xs); color: var(--ink-muted); }
.pin-card-text {
  color: var(--ink-secondary); font-size: var(--font-sm); line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden; text-overflow: ellipsis;
  word-break: break-word;
}
.pin-card-meta {
  margin-top: 4px;
  font-size: var(--font-2xs); color: var(--ink-muted);
  display: flex; align-items: center; gap: 6px;
}
.pin-card-meta svg { opacity: 0.7; }

/* Unpin × — hidden by default, fades in on row hover. Click on it
   stops propagation so the row's own click (jump-to-message) doesn't
   fire. Sized to match the avatar so the row's height stays stable
   across hover toggles. */
.pin-card-unpin {
  flex-shrink: 0;
  align-self: center;
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: none;
  color: var(--ink-muted);
  border-radius: var(--radius-s);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition), background var(--transition), color var(--transition);
}
.pin-card:hover .pin-card-unpin,
.pin-card-unpin:focus-visible {
  opacity: 1;
}
.pin-card-unpin:hover {
  background: var(--surface-2, var(--raised));
  color: var(--ink);
}

.pin-panel-empty {
  padding: 32px 16px;
  text-align: center;
  color: var(--ink-muted); font-size: var(--font-sm);
}
.pin-panel-loading {
  padding: 24px 16px;
  text-align: center;
  color: var(--ink-muted); font-size: var(--font-sm);
}

/* ── Pinned strip — Telegram-style top banner ──
   Sits above the messagesScroller. Shows the latest pinned message;
   click on the body scrolls to it, click on the list-icon opens the
   full pin panel. Hidden when there are no pins. */
.pinned-strip {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--deep);
  flex-shrink: 0;
  font-size: var(--font-sm);
  color: var(--ink);
  user-select: none;
  -webkit-user-select: none;
}
.pinned-strip[hidden] { display: none; }
.pinned-strip-icon {
  flex: 0 0 auto;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.pinned-strip-body {
  flex: 1; min-width: 0; cursor: pointer;
  display: flex; flex-direction: column; gap: 1px;
  padding-left: 10px;
}
/* Telegram-style segmented accent bar — one segment per pin, gap
   between them, active one is bright. Single pin renders as one solid
   bar (no visible split) thanks to the fallback rule below. */
.pinned-strip-segs {
  flex: 0 0 auto;
  display: flex; flex-direction: column;
  gap: 2px;
  align-self: stretch;
  width: 2px;
}
.pinned-strip-seg {
  flex: 1 1 auto;
  background: var(--accent);
  opacity: 0.35;
  border-radius: 1px;
  min-height: 4px;
}
.pinned-strip-seg.active { opacity: 1; }
/* Single-pin variant: keep the bar solid without visible gap. */
.pinned-strip-segs[data-count="1"] { gap: 0; }

/* Carousel slide-in for the body label + text on each cycle step.
   One-shot keyframe — kcRefreshPinnedStrip toggles the class to
   restart it. Subtle 8px slide-up + fade-in matches Telegram's
   pinned-strip transition. */
@keyframes pinStripCycleEnter {
  from { transform: translateY(8px); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}
.pinned-strip-body.kc-cycle-enter {
  animation: pinStripCycleEnter 180ms ease-out;
}
.pinned-strip-label {
  font-size: var(--font-2xs); font-weight: 600; color: var(--accent);
  line-height: 1.2;
}
.pinned-strip-text {
  font-size: var(--font-sm); color: var(--ink-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  line-height: 1.3;
}
.pinned-strip-list {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  background: none; border: none; border-radius: 6px;
  color: var(--ink-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.pinned-strip-list:hover { background: var(--surface); color: var(--ink); }