/* ════════════════════════════════════════════════════════════
   CENTRAL DE ÁNGELES — COMPONENTS · Layout de chat (lista de conversaciones + panel de mensajes)
   ⚠ Consume css/tokens.css. Parte del set de componentes por dominio.
   Ver css/components/_index.css para el mapa completo.
   ════════════════════════════════════════════════════════════ */

/* ── CHAT LAYOUT ── */
.content-chat {
  padding: 0 !important;
  overflow: hidden;
}
.chat-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: calc(100vh - var(--topbar-h, 56px));
  overflow: hidden;
}
.chat-list {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-1);
  background: var(--surface-2);
  overflow: hidden;
}
.chat-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-2);
}
.chat-list-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--text-1);
}
.chat-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-2);
  background: var(--surface-3);
}
.chat-threads {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
}
.chat-thread {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-3);
  cursor: pointer;
  transition: background 0.12s ease;
  position: relative;
}
.chat-thread:hover { background: var(--surface-3); }
.chat-thread.active { background: var(--electric-light); border-left: 3px solid var(--electric); }
.thread-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-on-accent);
  flex-shrink: 0;
}
.thread-online  { background: var(--success); }
.thread-stopped { background: var(--warning); }
.thread-offline { background: var(--text-4); }
.thread-body { flex: 1; min-width: 0; }
.thread-top { display: flex; justify-content: space-between; align-items: baseline; gap: 4px; }
.thread-name { font-size: var(--text-sm); font-weight: 600; color: var(--text-1); }
.thread-time { font-size: var(--text-2xs); color: var(--text-4); white-space: nowrap; }
.thread-preview { font-size: var(--text-xs); color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.thread-stale { color: var(--text-4); font-style: italic; }

/* Chat panel */
.chat-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}
.chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-2);
  background: var(--surface-2);
  flex-shrink: 0;
}
.chat-panel-info { display: flex; align-items: center; gap: 10px; }
/* Volver a la lista de conversaciones (solo móvil, ver media query abajo
   y patrón 16 de app.js: data-chat-back / .chat-shell.thread-open) */
.chat-back {
  display: none;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 4px 4px 4px 0;
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  flex-shrink: 0;
}
.chat-panel-name { font-family: var(--font-display); font-size: var(--text-md); font-weight: 700; color: var(--text-1); }
.chat-panel-sub { font-size: var(--text-xs); color: var(--text-3); display: flex; align-items: center; gap: 5px; margin-top: 2px; }
.chat-panel-actions { display: flex; gap: var(--sp-2); }
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg-day {
  text-align: center;
  font-size: var(--text-2xs);
  color: var(--text-4);
  font-weight: 600;
  padding: 4px 0;
}
.msg-bubble { display: flex; align-items: flex-end; gap: 8px; }
.msg-bubble.msg-out { flex-direction: row-reverse; }
.msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gps);
  color: var(--text-on-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xs);
  font-weight: 700;
  flex-shrink: 0;
}
.msg-content { max-width: 72%; }
.msg-bubble.msg-out .msg-content { align-items: flex-end; display: flex; flex-direction: column; }
.msg-text {
  background: var(--surface-3);
  border: 1px solid var(--border-1);
  border-radius: 14px 14px 14px 4px;
  padding: 8px 12px;
  font-size: var(--text-sm);
  color: var(--text-1);
  line-height: 1.45;
}
.msg-bubble.msg-out .msg-text {
  background: var(--electric);
  border-color: var(--electric);
  color: var(--text-on-accent);
  border-radius: 14px 14px 4px 14px;
}
.msg-time { font-size: var(--text-2xs); color: var(--text-4); margin-top: 3px; padding: 0 4px; }
.msg-system {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--danger-text);
  background: var(--danger-light);
  border: 1px solid var(--danger-border);
  border-radius: 8px;
  padding: 5px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.chat-input-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 12px 18px;
  border-top: 1px solid var(--border-2);
  background: var(--surface-2);
  flex-shrink: 0;
}
.chat-input {
  flex: 1;
  background: var(--surface-3);
  border: 1px solid var(--border-1);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: var(--text-base);
  color: var(--text-1);
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.15s ease;
}
.chat-input:focus { border-color: var(--electric); }
.chat-input::placeholder { color: var(--text-4); }

/* ── MÓVIL ── (declarado al final: misma especificidad que las reglas
   base de arriba, así que el orden en la cascada es lo que decide —
   ver convención en layout.css) */
@media (max-width: 768px) {
  .chat-shell { grid-template-columns: 1fr; }
  .chat-panel { display: none; }
  .chat-shell.thread-open .chat-list { display: none; }
  .chat-shell.thread-open .chat-panel { display: flex; }
  .chat-back { display: inline-flex; }
}