/* install-help shared — IBM Plex + paper/ink system, sharp corners only */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --paper:#0C0C0D;--ink:#F2EFEA;--rule:#2A2A30;--muted:#8B8B91;--dim:#5C5C62;
  --danger:#7A0A0A;--success:#4A5D3F;
}
html{background:var(--paper)}
body{
  font-family:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--paper);color:var(--ink);min-height:100vh;
  -webkit-font-smoothing:antialiased;line-height:1.55;
}
a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.mono{font-family:'IBM Plex Mono',ui-monospace,Menlo,monospace}
.page{max-width:920px;margin:0 auto;padding:56px 24px 80px}

.nav{border-bottom:1px solid var(--rule);padding:16px 24px;display:flex;justify-content:space-between;align-items:center;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.nav a{color:var(--ink);text-decoration:none}

.section-num{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-bottom:12px;display:block}
h1{font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:clamp(26px,4vw,40px);line-height:1.15;letter-spacing:-.02em;margin-bottom:16px;color:var(--ink);max-width:720px}
h2{font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:20px;letter-spacing:-.01em;margin-bottom:8px;color:var(--ink)}
.lede{font-size:17px;color:var(--ink);max-width:640px;margin-bottom:40px;line-height:1.55}
.lede-muted{color:var(--muted)}

.step{border:1px solid var(--rule);padding:28px 24px;margin-bottom:-1px}
.step-num{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-bottom:8px;display:block}
.step h3{font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:18px;margin-bottom:8px;color:var(--ink);letter-spacing:-.01em}
.step p{color:var(--ink);font-size:15px;line-height:1.6;max-width:640px;margin-bottom:16px}
.step p.sub{color:var(--muted);font-size:13px}

.mock{border:1px solid var(--rule);background:#111113;padding:0;margin:20px 0;overflow:hidden;max-width:720px}
.mock svg{display:block;width:100%;height:auto;background:#F4F4F2}
.mock-cap{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-top:1px solid var(--rule);background:var(--paper)}

.embed-box{border:1px solid var(--rule);background:#07070A;padding:20px;margin:20px 0;max-width:720px}
.embed-label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;display:block}
.embed-code{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--ink);background:#000;padding:16px;border:1px solid var(--rule);word-break:break-all;line-height:1.5;white-space:pre-wrap;margin-bottom:14px;user-select:all}
.copy-btn{display:inline-block;padding:14px 22px;font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:12px;letter-spacing:.12em;text-transform:uppercase;background:var(--ink);color:var(--paper);border:0;cursor:pointer;border-radius:0}
.copy-btn:hover{background:#FFFFFF}
.copy-btn.ok{background:var(--success);color:#F2EFEA}

.agent-field{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.agent-field label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.agent-field input{flex:1;min-width:220px;padding:10px 12px;background:var(--paper);color:var(--ink);border:1px solid var(--rule);font-family:'IBM Plex Mono',monospace;font-size:13px;outline:none;border-radius:0}
.agent-field input:focus{border-color:var(--ink)}

.trouble{border-top:1px solid var(--rule);padding-top:24px;margin-top:32px}
.trouble h3{font-family:'IBM Plex Mono',monospace;font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.trouble p{color:var(--ink);font-size:14px;margin-bottom:8px}

.cta-block{border:1px solid var(--rule);padding:32px 24px;margin-top:48px}
.cta-block h3{font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:18px;margin-bottom:8px;color:var(--ink);letter-spacing:-.01em}
.cta-block p{font-size:14px;color:var(--muted);margin-bottom:20px;max-width:560px}
.cta{display:inline-block;padding:16px 24px;font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:12px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;border:0;border-radius:0;cursor:pointer;background:var(--ink);color:var(--paper)}
.cta:hover{background:#FFFFFF;text-decoration:none}
.cta.ghost{background:transparent;color:var(--ink);border:1px solid var(--rule);margin-left:8px}
.cta.ghost:hover{background:rgba(242,239,234,.04)}

.back-link{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-decoration:none;display:inline-block;margin-bottom:24px}
.back-link:hover{color:var(--ink)}

/* "I don't know" form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.form-grid label,.form-full label{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.form-grid input,.form-full input,.form-full textarea{width:100%;padding:12px 14px;background:var(--paper);color:var(--ink);border:1px solid var(--rule);font-family:'IBM Plex Mono',monospace;font-size:13px;outline:none;border-radius:0;font-family:'IBM Plex Sans',sans-serif}
.form-grid input:focus,.form-full input:focus,.form-full textarea:focus{border-color:var(--ink)}
.form-full{margin-bottom:16px}
.form-full textarea{min-height:100px;resize:vertical;font-family:'IBM Plex Sans',sans-serif}
.form-msg{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted);margin-top:12px}
.form-msg.ok{color:var(--success)}
.form-msg.err{color:var(--danger)}