/* RAG */
.rag-chat { min-height: 220px; max-height: 46vh; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.rag-hint { font-size: 12px; color: var(--ink-2); }
.rag-b { max-width: 78%; padding: 10px 14px; border-radius: 12px; font-size: 13px; line-height: 1.5; white-space: pre-wrap; }
.rag-user { align-self: flex-end; background: var(--accent, #1ab3c6); color: #04101f; border-bottom-right-radius: 3px; font-weight: 600; }
.rag-bot { align-self: flex-start; background: var(--surface); border: 1px solid var(--border); border-bottom-left-radius: 3px; }
.rag-loading { opacity: 0.6; font-style: italic; }
.rag-srcs { margin-top: 8px; font-size: 10.5px; color: var(--ink-2); border-top: 1px dashed var(--border); padding-top: 6px; }
.rag-form { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); }
.rag-form input { flex: 1; padding: 10px 12px; background: var(--surface); border: 1px solid var(--border); color: var(--ink-0); border-radius: 8px; font-size: 13px; }