:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--blue:#0a7cff;--blue-press:#0768d6;--blue-soft:#e8f1ff;--bg:#f2f3f5;--surface:#fff;--surface-2:#f6f7f9;--bubble-in:#f1f2f4;--text:#0b0d12;--text-muted:#6b7280;--text-faint:#9aa1ac;--line:#0b0d1214;--danger:#e5484d;--ok:#30a46c;--r-lg:26px;--r-md:20px;--r-sm:14px;--r-pill:999px;--shadow-sm:0 1px 2px #0b0d120f;--shadow-md:0 4px 16px #0b0d1214;--shadow-lg:0 12px 40px #0b0d121f;--ease:cubic-bezier(.32, .72, 0, 1);--fast:.14s;--base:.22s;--vh:100dvh}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0c0d10;--surface:#16181d;--surface-2:#1d2027;--bubble-in:#24272e;--text:#f2f4f7;--text-muted:#98a1af;--text-faint:#6b7482;--line:#ffffff17;--blue-soft:#10233c;--shadow-md:0 4px 16px #0006;--shadow-lg:0 12px 40px 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var(--ease);border:0;flex:none;place-items:center;display:grid}.send:hover:not(:disabled){background:var(--blue-press)}.send:active:not(:disabled){transform:scale(.92)}.send:disabled{opacity:.38;cursor:default}.banner{background:var(--blue-soft);color:var(--text);border-bottom:1px solid var(--line);animation:rise var(--base) var(--ease) both;align-items:center;gap:9px;padding:9px 14px;font-size:13.5px;display:flex}.banner.warn{color:#7a4a00;background:#fff4e5}@media (prefers-color-scheme:dark){.banner.warn{color:#ffcf8b;background:#33240c}}.jump{background:var(--surface);color:var(--text);box-shadow:var(--shadow-md);border-radius:var(--r-pill);cursor:pointer;animation:rise var(--base) var(--ease) both;transition:transform var(--fast) var(--ease);border:0;align-items:center;gap:7px;padding:9px 15px;font-size:13.5px;font-weight:560;display:flex;position:absolute;bottom:84px;right:14px}.jump:active{transform:scale(.95)}.center{flex:1;place-items:center;padding:24px;display:grid;overflow-y:auto}.card{background:var(--surface);border-radius:var(--r-lg);width:100%;max-width:420px;animation:rise .32s var(--ease) both;padding:30px 26px}@media (width>=760px){.card{box-shadow:var(--shadow-md)}}.mark{background:linear-gradient(140deg, var(--blue), #66b0ff);border-radius:18px;place-items:center;width:56px;height:56px;margin-bottom:20px;display:grid;box-shadow:0 6px 20px #0a7cff52}h1{letter-spacing:-.025em;margin:0 0 7px;font-size:27px;font-weight:680}.sub{color:var(--text-muted);margin:0 0 24px;font-size:15px}label{margin:0 0 7px;font-size:13.5px;font-weight:560;display:block}input[type=text],input[type=password]{border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface-2);width:100%;color:var(--text);font:inherit;transition:border-color var(--fast) var(--ease), 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(prefers-color-scheme:dark){.err{color:#ff9ea1;background:#3a1416}}.hint{color:var(--text-muted);margin-top:14px;font-size:13px;line-height:1.5}.invite-link{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm);word-break:break-all;-webkit-user-select:all;user-select:all;margin-bottom:14px;padding:13px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.spinner{vertical-align:-3px;border:2px solid #ffffff59;border-top-color:#fff;border-radius:50%;width:17px;height:17px;animation:.72s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{border-radius:var(--r-md);background:linear-gradient(90deg, var(--surface-2), var(--line), var(--surface-2));background-size:200% 100%;height:40px;margin-bottom:8px;animation:1.4s infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.sr-only{clip:rect(0, 0, 0, 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