:root{--cap:#0d1d51;--bg:#f4f6fb;--card:#fff}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial;background:var(--bg);color:#0f172a}
.wrap{max-width:980px;margin:0 auto;padding:16px}
.head{display:flex;justify-content:space-between;align-items:center;background:var(--cap);color:#fff;border-radius:16px;padding:16px 20px;margin:16px 0}
.head h1{margin:0;font-size:20px}
.subtitle{margin:4px 0 0 0;opacity:.85}
.head #btnReset{background:#1e3a8a;color:#fff;border:0;border-radius:10px;padding:10px 14px;cursor:pointer}
.chat-card{background:var(--card);border-radius:16px;box-shadow:0 8px 30px rgba(13,29,81,.10);padding:16px;min-height:70vh;display:flex;flex-direction:column;gap:12px}
.msgs{display:flex;flex-direction:column;gap:10px;overflow:auto;max-height:60vh;padding:6px}
.msg{max-width:75%;padding:10px 14px;border-radius:12px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}
.msg.me{align-self:flex-end;background:#e7efff;border:1px solid #d0dcff}
.msg.bot{align-self:flex-start;background:#f1f5f9;border:1px solid #e2e8f0}
.msg.streaming{border-style:dashed}
.bar{display:flex;gap:8px}
#inp{flex:1;padding:12px 14px;border:1px solid #cbd5e1;border-radius:10px}
button#send{padding:12px 16px;background:var(--cap);color:#fff;border:0;border-radius:10px;cursor:pointer}
.muted{color:#64748b;font-size:12px}
.hidden{display:none}
.symptoms{border:1px solid #e5e7eb;border-radius:12px;padding:12px;background:#fff}
.sym-head{font-weight:600;margin-bottom:8px}
.sym-row{display:block;margin:6px 0}
.sym-actions{display:flex;gap:8px;margin-top:10px}
#symAdd{flex:1;padding:10px;border:1px solid #cbd5e1;border-radius:10px}
.notes{margin-top:10px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:10px;font-size:14px}
.badge{display:inline-block;background:#eaf0ff;color:#111;padding:2px 8px;border-radius:999px;font-size:12px}