/* Стили страницы чата с RAG-ассистентом. */

.rag-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.rag-toolbar .form-group { margin-bottom: 0; }
.rag-toolbar select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; background: #fff; min-width: 220px;
}
.rag-quota {
  margin-left: auto; font-size: 13px; color: var(--gray);
  border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px;
  background: var(--light);
}
.rag-quota b { color: var(--primary); }

.rag-layout { display: grid; grid-template-columns: 260px 1fr; gap: 16px; }
@media (max-width: 820px) { .rag-layout { grid-template-columns: 1fr; } }

.rag-history { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.rag-history h3 {
  margin: 0; padding: 10px 12px; font-size: 14px; background: var(--light);
  border-bottom: 1px solid var(--border);
}
.rag-history ul { list-style: none; margin: 0; padding: 0; max-height: 420px; overflow-y: auto; }
.rag-history li {
  padding: 9px 12px; border-bottom: 1px solid #eef1f4; cursor: pointer;
  font-size: 13px; display: flex; gap: 8px; align-items: center;
}
.rag-history li:hover { background: #f7fafd; }
.rag-history li.active { background: #eaf3ff; }
.rag-history li .title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rag-history li .del {
  border: none; background: transparent; color: #b23; cursor: pointer;
  font-size: 15px; line-height: 1; padding: 2px 4px;
}
.rag-history .empty { padding: 12px; color: var(--gray); font-size: 13px; }

.rag-chat { border: 1px solid var(--border); border-radius: 10px; display: flex; flex-direction: column; min-height: 480px; }
.rag-log { flex: 1; padding: 14px; overflow-y: auto; max-height: 560px; }
.rag-msg { margin-bottom: 14px; display: flex; flex-direction: column; gap: 6px; }
.rag-msg .bubble {
  padding: 10px 13px; border-radius: 10px; font-size: 14px; line-height: 1.6;
  white-space: pre-wrap; word-wrap: break-word; max-width: 90%;
}
.rag-msg.user { align-items: flex-end; }
.rag-msg.user .bubble { background: var(--primary); color: #fff; }
.rag-msg.assistant .bubble { background: var(--light); border: 1px solid var(--border); }
.rag-msg.error .bubble { background: #f8d7da; border: 1px solid #f5c6cb; color: #721c24; }

.rag-sources { margin-top: 4px; max-width: 90%; }
.rag-sources .src-title { font-size: 12px; color: var(--gray); margin-bottom: 4px; }
.rag-sources ol { margin: 0; padding-left: 18px; }
.rag-sources li { font-size: 13px; margin-bottom: 6px; }
.rag-sources .src-label { font-weight: 600; color: var(--primary); }
.rag-sources .src-snippet { color: var(--gray); }

.rag-input { border-top: 1px solid var(--border); padding: 12px; display: flex; gap: 10px; align-items: flex-end; }
.rag-input textarea {
  flex: 1; resize: vertical; min-height: 48px; max-height: 160px;
  padding: 10px; border: 1px solid var(--border); border-radius: 8px;
  font-family: inherit; font-size: 14px;
}
.rag-hint { font-size: 12px; color: var(--gray); padding: 0 12px 10px; }
.rag-typing { color: var(--gray); font-size: 13px; }