:root{--text:#1c1530;--muted:#6b6578;--text-h:#0d0618;--bg:#f4f2f8;--card:#fff;--border:#e2deeb;--input-bg:#fff;--hover:#6347a814;--accent:#5b3fd9;--bubble:#fff;--bubble-mine:#e8e2ff;color:var(--text);background:var(--bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.45}@media (prefers-color-scheme:dark){:root{--text:#e8e4f5;--muted:#a39ab8;--text-h:#faf8ff;--bg:#121018;--card:#1b1726;--border:#2f283f;--input-bg:#221c30;--hover:#a899dc1f;--accent:#9b87f5;--bubble:#221c30;--bubble-mine:#2d2540;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*,:before,:after{box-sizing:border-box}body{margin:0}#root{min-height:100vh}h1,h2{color:var(--text-h)}.app-root{justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:380px;padding:1.75rem;box-shadow:0 8px 30px #00000014}.auth-card h1{margin:0 0 .5rem;font-size:1.35rem}.auth-card .sub{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.auth-card form{flex-direction:column;gap:.85rem;display:flex}.auth-card label{flex-direction:column;gap:.35rem;font-size:.85rem;display:flex}.auth-card input{border:1px solid var(--border);background:var(--input-bg);color:inherit;border-radius:8px;padding:.55rem .65rem}.auth-card button[type=submit]{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:.25rem;padding:.6rem;font-weight:600}.auth-card button[type=submit]:disabled{opacity:.65;cursor:not-allowed}.hint{color:var(--muted);margin:1rem 0 0;font-size:.9rem}.linkish{color:var(--accent);cursor:pointer;font:inherit;background:0 0;border:none;padding:0;text-decoration:underline}.error{color:#b42318;margin:0;font-size:.85rem}.chat-shell{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.chat-header{border-bottom:1px solid var(--border);background:var(--card);justify-content:space-between;align-items:center;padding:.75rem 1.25rem;display:flex}.chat-header .who{color:var(--muted);margin-top:.15rem;font-size:.8rem;font-weight:400;display:block}.chat-header button{border:1px solid var(--border);background:var(--input-bg);cursor:pointer;border-radius:8px;padding:.45rem .75rem}.chat-body{flex:1;grid-template-columns:220px 1fr;min-height:0;display:grid}.user-list{border-right:1px solid var(--border);background:var(--card);padding:1rem}.user-list h2{margin:0 0 .5rem;font-size:1rem}.user-list .refresh{border:1px solid var(--border);background:var(--input-bg);cursor:pointer;border-radius:6px;width:100%;margin-bottom:.75rem;padding:.35rem;font-size:.75rem}.user-list ul{margin:0;padding:0;list-style:none}.peer{text-align:left;cursor:pointer;width:100%;font:inherit;background:0 0;border:1px solid #0000;border-radius:8px;margin-bottom:.25rem;padding:.5rem .55rem}.peer:hover{background:var(--hover)}.peer.active{border-color:var(--accent);background:var(--hover)}.thread{flex-direction:column;min-height:0;padding:1rem 1.25rem;display:flex}.thread h2{margin:0 0 .75rem;font-size:1.05rem}.placeholder{color:var(--muted)}.messages{flex-direction:column;flex:1;gap:.5rem;margin-bottom:.75rem;display:flex;overflow-y:auto}.bubble{background:var(--bubble);border:1px solid var(--border);border-radius:12px;align-self:flex-start;max-width:72%;padding:.55rem .75rem}.bubble.mine{background:var(--bubble-mine);align-self:flex-end}.bubble .meta{color:var(--muted);margin-bottom:.2rem;font-size:.7rem;display:block}.bubble p{white-space:pre-wrap;word-break:break-word;margin:0}.composer{align-items:center;gap:.5rem;display:flex}.composer input{border:1px solid var(--border);background:var(--input-bg);color:inherit;border-radius:8px;flex:1;padding:.55rem .65rem}.composer button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.55rem 1rem;font-weight:600}