.lead { font-size: 17px; margin-bottom: 26px; }
  .part { font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin: 40px 0 2px; }
  .step { display: grid; grid-template-columns: 26px 1fr; gap: 14px; margin: 26px 0; }
  .num { width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: var(--paper);
         font-size: 13px; line-height: 26px; text-align: center; margin-top: 2px; }
  .step h3 { font-size: 17px; font-weight: 400; letter-spacing: -0.01em; margin: 0 0 6px; }
  .step p { margin: 0 0 8px; }
  figure { margin: 14px 0 0; }
  figure img { display: block; width: 100%; max-width: 340px; height: auto;
               border: 1px solid var(--line); border-radius: 12px; }
  figure.wide img { max-width: 520px; }
  figcaption { color: var(--muted); font-size: 13px; margin-top: 6px; max-width: 340px; }
  figure.wide figcaption { max-width: 520px; }
  .note { border-left: 2px solid var(--ink); padding: 2px 0 2px 14px; margin: 14px 0; }
  .note b { font-weight: 400; border-bottom: 1px solid var(--ink); }
  code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92em;
         background: color-mix(in srgb, var(--ink) 14%, var(--paper)); color: var(--ink);
         padding: 0.1em 0.35em; border-radius: 4px; }
  .tabs { margin: 18px 0 8px; }
  .tabs input { position: absolute; opacity: 0; pointer-events: none; }
  .tabs > label { display: inline-block; padding: 7px 14px; margin: 0 6px 8px 0; cursor: pointer;
                  border: 1px solid var(--line); border-radius: 999px; font-size: 14px; color: var(--muted); }
  .tabs > label:hover { color: var(--ink); }
  .panel { display: none; }
  #c-gpt:checked ~ label[for="c-gpt"],
  #c-claude:checked ~ label[for="c-claude"],
  #c-grok:checked ~ label[for="c-grok"],
  #c-agent:checked ~ label[for="c-agent"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  #c-gpt:checked ~ .p-gpt, #c-claude:checked ~ .p-claude,
  #c-grok:checked ~ .p-grok, #c-agent:checked ~ .p-agent { display: block; }
  .prompt { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 12px 0;
            font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px;
            line-height: 1.55; white-space: pre-wrap;
            background: color-mix(in srgb, var(--ink) 7%, var(--paper)); }
  details.guide { border: 1px solid var(--line); border-radius: 12px; padding: 0 16px; margin: 18px 0; }
  details.guide > summary { cursor: pointer; padding: 14px 0; list-style: none; }
  details.guide > summary::-webkit-details-marker { display: none; }
  details.guide > summary::before { content: "▸"; color: var(--muted); margin-right: 8px; }
  details.guide[open] > summary::before { content: "▾"; }
  details.guide[open] { padding-bottom: 12px; }
  details.guide .step { margin: 20px 0; }
  .soon { color: var(--muted); font-size: 14px; border: 1px dashed var(--line); border-radius: 10px; padding: 14px; }
  .wrap { max-width: 820px; }
  h1 { font-size: clamp(30px, 6vw, 46px); line-height: 1.15; max-width: 620px; margin-top: 48px; }
  .lead { color: var(--muted); max-width: 620px; margin-top: 18px; }
  .route { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin: 24px 0 32px; }
  .route a { text-decoration: none; border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
  .route a:hover { background: #141414; border-color: #777; }
  .route small { display: block; color: var(--muted); margin-bottom: 8px; }
  .route strong { display: block; font-weight: 400; }
  .sign-in-card { border: 1px solid var(--line); border-radius: 20px; background: #0d0d0d; padding: 24px; margin: 28px 0; }
  .sign-in-card h2 { margin-top: 0; font-size: 24px; }
  .sign-in-card ol { padding-left: 23px; }
  .sign-in-card li { padding: 5px 0 5px 4px; }
  .guide-cta { display: inline-block; padding: 10px 16px; border-radius: 999px; background: var(--ink); color: var(--paper); text-decoration: none; margin-top: 8px; }
  :target { scroll-margin-top: 24px; }
  a:focus-visible, summary:focus-visible, .tabs input:focus-visible + label { outline: 2px solid #fff; outline-offset: 4px; }
  .tabs input:focus-visible ~ label { border-color: #777; }
  @media (max-width: 520px) { .route { grid-template-columns: 1fr; } .route a { padding: 13px 16px; } .route small { display: inline; margin-right: 12px; } .route strong { display: inline; } .sign-in-card { padding: 20px; } .wrap { padding-top: 24px; } }
/* Shared visual language with the public homepage. */
.setup-document{max-width:960px}.setup-document h1{font-size:clamp(40px,5vw,62px);letter-spacing:-2.5px;margin:0 0 22px;max-width:none}.setup-document .lead{max-width:690px;font-size:18px;margin-top:0}.setup-document h2{font-size:30px;margin:12px 0 22px}.setup-document .part{color:var(--accent);font-size:11px;letter-spacing:1.5px;margin-top:56px}.route{gap:16px;margin:32px 0}.route a{background:var(--surface);border-radius:12px;padding:22px}.route a:hover{background:#242e20;border-color:#687d5c}.route small{color:var(--accent);font-size:12px}.route strong{font-size:15px}.tabs{margin-top:24px}.tabs>label{padding:11px 20px;border-radius:8px;margin-bottom:20px;background:var(--surface);font-size:14px}.tabs>label:hover{border-color:#687d5c}.tabs input:focus-visible~label{border-color:var(--line)}#c-gpt:focus-visible~label[for=c-gpt],#c-claude:focus-visible~label[for=c-claude],#c-grok:focus-visible~label[for=c-grok],#c-agent:focus-visible~label[for=c-agent]{outline:2px solid var(--accent);outline-offset:3px}#c-gpt:checked~label[for=c-gpt],#c-claude:checked~label[for=c-claude],#c-grok:checked~label[for=c-grok],#c-agent:checked~label[for=c-agent]{background:var(--accent);color:#162014;border-color:var(--accent)}.panel{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:30px}.step{grid-template-columns:32px minmax(0,1fr);gap:18px;margin:28px 0}.step .num{background:#2c3924;border:1px solid #4b5c40;color:var(--accent);width:32px;height:32px;line-height:30px}.step h3{font-size:20px;margin-bottom:12px}.step p{font-size:15px;color:#bec6b8}.step p b{color:var(--ink)}.screenshot{margin-top:16px}.screenshot>summary{font-size:12px;color:var(--muted);cursor:pointer}.screenshot>summary:hover{color:var(--accent)}.screenshot img{border-color:#46513f}.note{border:1px solid #425038;border-radius:10px;background:#20271d;padding:20px 24px;margin:24px 0}.note p{margin:0;font-size:14px}.note b{border:0;color:var(--accent)}.sign-in-card{background:var(--surface);border-color:var(--line);border-radius:14px;padding:30px;margin:40px 0}.sign-in-card h2{font-size:28px}.sign-in-card li{font-size:15px}details.guide{border-color:var(--line);border-radius:10px;background:#181e16;padding-inline:22px}details.guide>summary{padding:18px 0;font-size:14px}.guide-cta{background:var(--accent);color:#162014;border-radius:8px;padding:12px 20px;font-size:14px}.guide-cta:hover{color:#162014}.prompt{background:#101510;border-color:#374231;border-radius:8px;color:#c6d6bb;overflow-wrap:anywhere}.device-guides{display:grid;gap:12px;margin:26px 0}.device-guide{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:0 24px}.device-guide>summary{font-size:16px;padding:20px 0;cursor:pointer}.device-guide[open]{padding-bottom:24px;border-color:#687d5c}.device-guide[open]>summary{color:var(--accent)}.device-guide ol{font-size:15px}.manual-path{font-size:13px;margin-top:18px;margin-bottom:0}.setup-document code{background:#263020;color:var(--accent)}.setup-document a:focus-visible,.setup-document summary:focus-visible{outline-color:var(--accent)}
@media(max-width:600px){.panel,.sign-in-card{padding:22px 18px}.route{grid-template-columns:1fr;gap:10px}.route a{padding:13px 16px}.route small{display:inline;margin-right:14px}.route strong{display:inline;font-size:14px}.tabs>label{padding:10px 13px;font-size:13px;margin-right:3px;margin-bottom:12px}.step{gap:12px;grid-template-columns:26px minmax(0,1fr)}.step .num{width:26px;height:26px;line-height:24px}.step h3{font-size:18px}.step p{font-size:14px}.setup-document h2{font-size:26px}.device-guide{padding-inline:18px}.note{padding:20px}.setup-document h1{font-size:42px}}