:root{--page-bg: #0b1017;--card-bg: #0e1520;--border: #1d2838;--input-bg: #111b2a;--input-border: #243349;--text: #e2e8f0;--muted: #94a3b8;--placeholder: #4b5a70;--accent: #14b8a6;--accent-text: #5eead4;--btn-bg: #0f2e2c;--btn-border: #1b5a52;--user-bubble: #15324a;--assistant-bubble: #142033;--error: #f87171;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--text);background:var(--page-bg)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}.page{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.card{width:100%;max-width:781px;height:min(548px,calc(100vh - 48px));display:flex;flex-direction:column;background:var(--card-bg);border:1px solid var(--border);border-radius:12px;overflow:hidden}.topbar,.subbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px}.topbar{padding-bottom:10px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px}.brand h1{margin:0;font-size:15px;font-weight:600;white-space:nowrap}.logo{width:28px;height:28px;padding:5px;border-radius:7px;background:#1a1f4a;color:#a78bfa}.case-controls,.field{display:flex;align-items:center;gap:8px}.field{flex:1}.field .input{flex:1;min-width:0}label{color:var(--muted);font-size:13px;white-space:nowrap}.case-controls .case-input{width:200px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}.input{height:32px;padding:0 10px;background:var(--input-bg);border:1px solid var(--input-border);border-radius:6px;color:var(--text);font:inherit;outline:none}.input::placeholder{color:var(--placeholder)}.input:focus{border-color:var(--accent)}.input:disabled{opacity:.5}.btn{height:32px;padding:0 14px;background:var(--btn-bg);border:1px solid var(--btn-border);border-radius:6px;color:var(--accent-text);font:inherit;font-weight:500;cursor:pointer;white-space:nowrap}.btn:hover:not(:disabled){background:#14403c}.btn:disabled{opacity:.45;cursor:default}.btn.icon{padding:0 10px}.subbar{padding-top:0;padding-bottom:14px;border-bottom:1px solid var(--border)}.subbar .field:last-child{max-width:320px}.physicians{padding:6px 18px 0;color:var(--muted);font-size:12px}.error{margin:8px 18px 0;padding:8px 10px;border:1px solid #5b2a2a;background:#2a1516;color:var(--error);border-radius:6px;font-size:13px}.messages{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:10px}.empty{margin:auto;color:#6b7a90;font-style:italic;text-align:center}.msg{display:flex}.msg.user{justify-content:flex-end}.msg.assistant{justify-content:flex-start}.bubble{max-width:78%;padding:9px 12px;border-radius:10px;line-height:1.5;word-break:break-word}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown p{margin:0 0 8px}.markdown ul,.markdown ol{margin:0 0 8px;padding-left:20px}.markdown li+li{margin-top:3px}.markdown h1,.markdown h2,.markdown h3,.markdown h4{margin:10px 0 6px;font-size:14px;font-weight:600;color:var(--text)}.markdown strong{color:#f1f5f9}.markdown a{color:var(--accent-text)}.markdown code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;background:#0b1320;border:1px solid var(--border);border-radius:4px;padding:1px 4px}.markdown pre{background:#0b1320;border:1px solid var(--border);border-radius:6px;padding:8px 10px;overflow-x:auto}.markdown pre code{background:none;border:0;padding:0}.markdown blockquote{margin:0 0 8px;padding-left:10px;border-left:2px solid var(--accent);color:var(--muted)}.markdown table{border-collapse:collapse;margin-bottom:8px;font-size:13px}.markdown th,.markdown td{border:1px solid var(--border);padding:4px 8px;text-align:left}.msg.user .bubble{background:var(--user-bubble)}.msg.assistant .bubble{background:var(--assistant-bubble);border:1px solid var(--border)}.typing{color:var(--muted)}.sources{margin-top:8px;font-size:12px;color:var(--muted)}.sources summary{cursor:pointer}.sources ul{margin:6px 0 0;padding-left:18px}.sources code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;color:var(--accent-text)}.sources .pred{color:var(--muted);font-style:italic}.sources .src{color:#64748b}.composer{display:flex;align-items:center;gap:10px;padding:14px 18px 18px;border-top:1px solid var(--border)}.composer-input{flex:1;height:44px;padding:11px 14px;resize:none;line-height:1.3;font-size:14px}.btn.send{width:44px;height:44px;padding:0;display:flex;align-items:center;justify-content:center;background:var(--accent);border-color:var(--accent);color:#042f2b}.btn.send:hover:not(:disabled){background:#2dd4bf}