.page-chat{min-height:100vh}.chat-shell{display:flex;flex-direction:column;gap:.75rem;max-width:52rem}.chat-page-header h1{margin-bottom:.35rem}.chat-model-field{max-width:22rem;margin-top:.75rem}.chat-panel{flex:1;display:flex;flex-direction:column;border:1px solid #1e2a3a;border-radius:12px;background:#0f1520;min-height:24rem}.chat-log{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.65rem}.chat-bubble{max-width:92%;padding:.55rem .75rem;border-radius:10px;line-height:1.55;white-space:pre-wrap;word-break:break-word}.chat-bubble--user{align-self:flex-start;background:#1a2b4a;color:#e8f0ff}.chat-bubble--assistant{align-self:flex-end;background:#152218;color:#d8ffe8;border:1px solid #1f3d2e}.chat-bubble--system{align-self:center;font-size:.85rem;color:var(--text-muted);background:transparent}.chat-compose{display:flex;gap:.5rem;padding:.75rem;border-top:1px solid #1e2a3a}.chat-compose textarea{flex:1;resize:vertical;min-height:2.5rem;font-family:inherit}.chat-compose button{align-self:flex-end}.chat-compose button:disabled{opacity:.5}