:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a2e;background:#f4f5f7}*{box-sizing:border-box}body{margin:0}.chat{max-width:720px;margin:0 auto;padding:1.5rem;display:flex;flex-direction:column;min-height:100vh}.chat header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.chat h1{margin:0;font-size:1.3rem}.muted{color:#888;font-size:.9rem;margin:.3rem 0 0}.langswitch{display:flex;gap:.25rem;flex-shrink:0}.langswitch button{padding:.35rem .6rem;border:1px solid #ccc;background:#fff;color:#555;border-radius:8px;cursor:pointer;font-size:.8rem}.langswitch button.on{background:#3a3af0;color:#fff;border-color:#3a3af0}.messages{flex:1;overflow-y:auto;margin:1rem 0;display:flex;flex-direction:column;gap:.6rem;min-height:200px}.msg{display:flex;flex-direction:column;max-width:80%}.msg.you{align-self:flex-end;align-items:flex-end}.msg.bot{align-self:flex-start;align-items:flex-start}.who{font-size:.7rem;color:#999;margin-bottom:.15rem}.bubble{padding:.6rem .8rem;border-radius:12px;white-space:pre-wrap;font-size:.95rem}.msg.you .bubble{background:#3a3af0;color:#fff;border-bottom-right-radius:3px}.msg.bot .bubble{background:#fff;border:1px solid #eee;border-bottom-left-radius:3px}.msg.blocked .bubble{background:#fff3f3;border-color:#f2b8b8;color:#a12}.composer{display:flex;gap:.5rem}.composer input{flex:1;padding:.6rem;border:1px solid #ccc;border-radius:8px;font-size:1rem}button{padding:.55rem .9rem;border:none;border-radius:8px;background:#3a3af0;color:#fff;font-size:.95rem;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.link{background:none;color:#3a3af0;text-decoration:underline;padding:0;font-size:.85rem}.account{background:#fff;border-radius:12px;padding:1rem 1.2rem;margin-top:1.2rem;box-shadow:0 2px 10px #0000000d}.account h2{margin-top:0;font-size:1.05rem}.account h3{font-size:.95rem;margin:1rem 0 .4rem}.connect{display:flex;gap:.5rem;align-items:flex-end;flex-wrap:wrap}label{display:flex;flex-direction:column;gap:.3rem;font-size:.85rem;color:#555;flex:1}label.check{flex-direction:row;align-items:center;gap:.4rem}label.check input{flex:none}input,select{padding:.5rem;border:1px solid #ccc;border-radius:8px;font-size:.95rem}.mydata ul{list-style:none;padding:0;margin:0;font-size:.9rem}.mydata li{padding:.3rem 0;border-bottom:1px solid #f0f0f0}.row{display:flex;gap:.5rem;align-items:center;font-size:.9rem;flex-wrap:wrap}.unlock{display:flex;gap:.5rem;align-items:flex-end;margin-top:.6rem}.change{display:flex;flex-direction:column;gap:.6rem;margin-top:.6rem}.note{color:#1f7a4d;font-size:.85rem;margin:.3rem 0 0}.error{color:#d64545;font-size:.85rem;margin:.5rem 0 0}