:root{--navy: #0c1248;--red: #ce3232;--bg: #ffffff;--text: #1c1c1c;--muted: #6b6b6b;--line: #e6e6e6;--panel: #faf9f7}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}.page{min-height:100vh;padding:24px}.page-center{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;max-width:420px;margin:0 auto}.logo{height:40px;margin-bottom:10px}h1{font-size:1.6rem;color:var(--navy);margin:0 0 4px;line-height:1.3}.muted{color:var(--muted);font-size:.9rem}.error{color:var(--red);font-size:.9rem}.form{display:flex;flex-direction:column;gap:14px;width:100%}.form label{display:flex;flex-direction:column;gap:6px;text-align:left;font-size:.9rem}.form input{padding:10px 12px;border:1px solid #ccc;border-radius:8px;font-size:1rem}.form input:focus{outline:none;border-color:var(--navy)}.button{padding:12px 20px;background:var(--navy);color:#fff;border:none;border-radius:8px;font-size:1rem;text-decoration:none;cursor:pointer;display:inline-block}.button:disabled{opacity:.6;cursor:default}.link-button{background:none;border:none;color:var(--muted);text-decoration:underline;cursor:pointer;font-size:.9rem}a{color:var(--red)}.chat-page{display:flex;flex-direction:column;height:100vh;padding:0;max-width:640px;margin:0 auto}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}.chat-header .logo{height:26px;margin-bottom:0}.disclaimer{margin:0;padding:8px 16px;font-size:.75rem;color:var(--muted);text-align:center;background:var(--panel);border-bottom:1px solid var(--line)}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.chat-bubble{padding:10px 14px;border-radius:14px;max-width:80%;white-space:pre-wrap;line-height:1.4}.chat-bubble--user{align-self:flex-end;background:var(--navy);color:#fff}.chat-bubble--assistant{align-self:flex-start;background:var(--panel);color:var(--text)}.chat-input{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--line)}.chat-input input{flex:1;padding:12px;border:1px solid #ccc;border-radius:8px;font-size:1rem}.chat-input input:focus{outline:none;border-color:var(--navy)}