:root{color-scheme:light dark;--bg: #0f1115;--surface: #1a1d24;--border: #2a2e37;--text: #e8e9ec;--muted: #9a9fab;--accent: #6c8cff;--error: #ff6c6c;--ok: #4fd18b;font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.25rem;border-bottom:1px solid var(--border)}.topbar .brand{font-weight:600;letter-spacing:.02em}.topbar nav{display:flex;gap:1rem;align-items:center}.topbar nav a,.topbar nav button{color:var(--muted);text-decoration:none;background:none;border:none;font:inherit;cursor:pointer;padding:.25rem 0}.topbar nav a.active,.topbar nav a:hover,.topbar nav button:hover{color:var(--text)}.page{flex:1;display:flex;flex-direction:column;padding:1.25rem;max-width:640px;width:100%;margin:0 auto;gap:1rem}.page.centered{justify-content:center;min-height:100vh}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.25rem;display:flex;flex-direction:column;gap:.75rem}.card h2{margin:0 0 .25rem;font-size:1.05rem}.field{display:flex;flex-direction:column;gap:.3rem}.field label{font-size:.85rem;color:var(--muted)}input[type=text],input[type=email],input[type=password]{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:.55rem .7rem;color:var(--text);font-size:.95rem}input:focus{outline:2px solid var(--accent);outline-offset:1px}button.primary{background:var(--accent);color:#0b0d12;border:none;border-radius:6px;padding:.6rem 1rem;font-weight:600;cursor:pointer;align-self:flex-start}button.primary:disabled{opacity:.6;cursor:default}button.secondary{background:transparent;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.6rem 1rem;cursor:pointer;align-self:flex-start}.message{font-size:.9rem}.message.error{color:var(--error)}.message.ok{color:var(--ok)}.status-pill{font-size:.78rem;padding:.15rem .5rem;border-radius:999px;border:1px solid var(--border);color:var(--muted);width:fit-content}.status-pill.set{color:var(--ok);border-color:var(--ok)}.chat-log{flex:1;display:flex;flex-direction:column;gap:.6rem;overflow-y:auto;min-height:300px}.chat-bubble{padding:.6rem .85rem;border-radius:10px;max-width:85%;line-height:1.4;white-space:pre-wrap}.chat-bubble.user{align-self:flex-end;background:var(--accent);color:#0b0d12}.chat-bubble.assistant{align-self:flex-start;background:var(--surface);border:1px solid var(--border)}.chat-input-row{display:flex;gap:.5rem}.chat-input-row input{flex:1}