/* ════════════════════════════════════════════════════════════
   conversations.css — Capa 2: Lista de conversaciones
   Solo usa variables de primitives.css. Cero hardcoded.
   Dueño exclusivo de: .conversations-view__*, .conv-item*,
   .collection-view__item, .pairs-view__list, .processing
   ════════════════════════════════════════════════════════════ */

/* ── Header del panel ───────────────────────────────────── */

.conversations-view__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 12px 8px;
  flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--section-label-border);
}

.conversations-view__label {
  font-size: var(--section-label-size);
  font-weight: var(--section-label-weight);
  color: var(--section-label-color);
  padding-left: 4px;
}

.conversations-view__add {
  width: 26px;
  height: 26px;
  padding: 0;
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
  background: var(--left-add-btn-bg);
  border: 1px solid var(--left-add-btn-border);
  border-radius: var(--radius-base);
  color: var(--lyt-left-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.conversations-view__add:hover {
  background: var(--left-add-btn-hover-bg);
  box-shadow: var(--conv-item-selected-shadow);
}

.conversations-view__empty {
  padding: 24px 16px;
  font-size: var(--font-size-base);
  color: var(--left-empty-color);
  text-align: center;
}

/* ── Lista ───────────────────────────────────────────────── */

.conversations-view__list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 4px 8px 0;
  box-sizing: border-box;
}

.pairs-view__list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 20px 16px 0;
  box-sizing: border-box;
}

/* ── Collection items ───────────────────────────────────── */

.collection-view__item {
  padding: 2px 4px;
  transition: background var(--transition-fast);
}

.collection-view__item--selected {
  background: transparent;
}

.collection-view__item--selected .conv-item {
  background: var(--conv-item-selected-bg);
  border-color: var(--conv-item-selected-border);
  box-shadow: var(--conv-item-selected-shadow);
}

/* ── Conversation item ──────────────────────────────────── */

.conv-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--conv-item-padding);
  cursor: default;
  border-radius: var(--conv-item-radius);
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  gap: 8px;
  user-select: none;
}

.conv-item:hover {
  background: var(--conv-item-hover-bg);
  border-color: var(--conv-item-hover-border);
}

.conv-item__info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  flex: 1;
}

.conv-item__title {
  font-size: var(--conv-item-title-size);
  font-weight: var(--conv-item-title-weight);
  color: var(--conv-item-title-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conv-item__date {
  font-size: var(--conv-item-date-size);
  color: var(--conv-item-date-color);
}

.conv-item__menu-btn {
  opacity: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--lyt-left-color);
  font-size: 16px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition-fast), background var(--transition-fast);
  flex-shrink: 0;
}

.conv-item:hover .conv-item__menu-btn { opacity: .6; }
.conv-item__menu-btn:hover { opacity: 1 !important; background: var(--btn-ghost-hover-bg); }

/* ── Processing ─────────────────────────────────────────── */

.processing {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  box-sizing: border-box;
}

.processing--visible { display: flex; }

.processing__dots { display: inline-flex; gap: 2px; }
.processing__dots .dot { opacity: 0; animation: pDotBlink 1.2s infinite; }
.processing__dots .dot:nth-child(1) { animation-delay: 0s; }
.processing__dots .dot:nth-child(2) { animation-delay: 0.3s; }
.processing__dots .dot:nth-child(3) { animation-delay: 0.6s; }

@keyframes pDotBlink {
  0%, 100% { opacity: 0; }
  40%, 60%  { opacity: 1; }
}