.gk-join{--bg:#f6f3ec;--bg-2:#efe9de;--surface:#fff;--ink:#1b232f;--mid:#55606f;--dim:#8a8f97;--line:rgba(27,35,47,.11);--line-2:rgba(27,35,47,.2);--brand:#cf4d1c;--brand-ink:#fff;--brand-soft:#f7e6dc;--brand-glow:rgba(207,77,28,.16);--danger:#c93a26;--gk-display:var(--font-sans,ui-sans-serif,system-ui,sans-serif);--gk-mono:ui-monospace,"SF Mono","JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;--shadow-card:0 1px 2px rgba(27,35,47,.05),0 22px 44px -30px rgba(27,35,47,.4);color-scheme:light;min-height:100vh;display:grid;place-items:center;padding:2rem 1.1rem 3rem;background:radial-gradient(900px 520px at 50% -10%,var(--brand-glow),transparent 60%),linear-gradient(180deg,var(--bg-2),var(--bg) 22%);color:var(--ink);font-family:var(--gk-display);-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){.gk-join{--bg:#0a0e17;--bg-2:#070b12;--surface:#101725;--ink:#eaeef7;--mid:#a4aec4;--dim:#6c7690;--line:hsla(0,0%,100%,.1);--line-2:hsla(0,0%,100%,.18);--brand:#ff7a45;--brand-ink:#1a0f08;--brand-soft:rgba(255,122,69,.14);--brand-glow:rgba(255,122,69,.2);--danger:#f76d5a;--shadow-card:0 1px 0 hsla(0,0%,100%,.03) inset,0 24px 48px -30px rgba(0,0,0,.75);color-scheme:dark}}.gk-join *{box-sizing:border-box}.gk-join .shell{width:100%;max-width:430px;display:grid;gap:1.5rem;justify-items:center}.gk-join .brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;font-size:1.06rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}.gk-join .brand svg{width:26px;height:26px}.gk-join .lede{text-align:center;display:grid;gap:.6rem}.gk-join .lede h1{margin:0;font-size:clamp(1.7rem,5.5vw,2.2rem);font-weight:700;letter-spacing:-.03em;line-height:1.1;text-wrap:balance}.gk-join .lede p{margin:0;color:var(--mid);font-size:.98rem;line-height:1.55}.gk-join .card{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-card);padding:1.5rem 1.4rem;display:grid;gap:.95rem}.gk-join label{display:grid;gap:.4rem;font-size:.86rem;font-weight:600;color:var(--ink)}.gk-join input{font:inherit;font-weight:400;width:100%;padding:.72rem .9rem;border-radius:12px;border:1px solid var(--line-2);background:var(--bg);color:var(--ink);transition:border-color .15s ease,box-shadow .15s ease}.gk-join input::placeholder{color:var(--dim)}.gk-join input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.gk-join .hint{font-size:.78rem;color:var(--dim);font-weight:400}.gk-join button[type=submit]{font:inherit;font-weight:600;font-size:1.02rem;margin-top:.15rem;padding:.78rem 1.2rem;border-radius:999px;border:1px solid transparent;background:var(--ink);color:var(--bg);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.6rem;transition:transform .15s ease,opacity .15s ease}.gk-join button[type=submit]:hover:not(:disabled){transform:translateY(-1px)}.gk-join button[type=submit]:disabled{opacity:.65;cursor:default}.gk-join .spin{width:15px;height:15px;border-radius:999px;border:2px solid;border-right:2px solid transparent;animation:gk-join-spin .7s linear infinite}@keyframes gk-join-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.gk-join .spin{animation-duration:2.4s}}.gk-join .err{margin:0;padding:.65rem .8rem;border-radius:12px;border:1px solid color-mix(in srgb,var(--danger) 35%,transparent);background:color-mix(in srgb,var(--danger) 8%,transparent);color:var(--danger);font-size:.88rem;line-height:1.45}.gk-join .foot{font-size:.86rem;color:var(--mid);text-align:center}.gk-join .foot a{color:var(--ink);font-weight:600}.gk-join .fine{font-family:var(--gk-mono);font-size:.74rem;color:var(--dim);text-align:center;line-height:1.6}.gk-join .fine a{color:var(--mid)}.gk-join a:focus-visible,.gk-join button:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}