:root{--bg:#f4f0e8;--bg-deep:#ebe4d6;--ink:#1c1917;--muted:#57534e;--card:#fffdf9;--line:#e7e0d4;--accent:#0f766e;--accent-ink:#042f2e;--warm:#b45309;--danger:#b91c1c;--shadow:0 12px 40px rgba(28,25,23,0.08);--radius:18px;--font:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;--sans:ui-rounded,"Segoe UI",system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(1200px 600px at 10% -10%,#fde68a55,transparent 50%),radial-gradient(900px 500px at 100% 0,#99f6e455,transparent 45%),var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55;min-height:100%}a{color:var(--accent)}.shell{max-width:640px;margin:0 auto;padding:28px 18px 64px}.brand{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}.brand,h1{font-weight:600}h1{font-family:var(--font);font-size:clamp(1.7rem,5vw,2.15rem);line-height:1.2;letter-spacing:-.02em;margin:0 0 12px}.lede{color:var(--muted);font-size:1.05rem;margin:0 0 22px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:16px}.quiet{color:var(--muted);font-size:.95rem}.footer-note{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}input,select,textarea{width:100%;font:inherit;padding:14px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink)}textarea{min-height:120px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid #5eead4;outline-offset:1px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 16px;border:0;border-radius:14px;background:var(--accent);color:#fff;font:inherit;font-weight:650;cursor:pointer;text-decoration:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.ghost{background:transparent;color:var(--accent-ink);border:1px dashed var(--line)}.btn.danger{background:#fff;color:var(--danger);border:1px solid #fecaca}.row{display:flex;gap:10px}.row>*{flex:1 1}.chat,.stack{display:flex;flex-direction:column;gap:10px}.chat{max-height:min(52vh,420px);overflow:auto;padding:4px 2px 8px}.bubble{max-width:92%;padding:12px 14px;border-radius:16px;font-size:.98rem}.bubble.guide{align-self:flex-start;background:#ecfdf5;border:1px solid #a7f3d0;color:var(--accent-ink)}.bubble.person{align-self:flex-end;background:#fff;border:1px solid var(--line)}.bubble.reflect{border-color:#fcd34d;background:#fffbeb}.status{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:600;color:var(--accent-ink);background:#ccfbf1;padding:6px 12px;border-radius:999px;margin-bottom:14px}.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:12px;padding:12px 14px;margin-bottom:12px}.crisis{background:#fff1f2;border:1px solid #fecdd3;border-radius:var(--radius);padding:16px}.crisis h2{margin:0 0 8px;font-size:1.15rem;color:var(--danger)}.crisis ul{margin:12px 0 0;padding-left:18px}.list-clean{margin:0;padding-left:18px}.list-clean li{margin-bottom:6px}.tag{display:inline-block;font-size:.75rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:var(--warm);margin-bottom:8px}.assumptions details{font-size:.9rem;color:var(--muted)}.assumptions summary{cursor:pointer;color:var(--warm);font-weight:600}@media (max-width:480px){.row{flex-direction:column}}