/* Shared styles for /guide pages.
   The tokens, header and footer rules are the same ones index.html and cli.html
   carry inline — kept here in one file because six guide pages cannot each own a
   copy without drifting apart. Keep in lockstep with the header in those two. */
:root{
  --void:#0A0B10; --void2:#12141C; --void3:#1B1E2A;
  --star:#ECF1FF; --cyan:#35D0E8; --ember:#E84B3B;
  --dim:#8b93a8; --line:#242a3a;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--void);color:var(--star);font:16px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 24px}

/* ── header (mirrors index.html / cli.html) ─────────────────────────────── */
header{position:sticky;top:0;z-index:50;padding:0;border-bottom:1px solid var(--line);background:rgba(10,11,16,.86);backdrop-filter:blur(10px)}
header .wrap{display:flex;align-items:center;gap:12px;height:56px;max-width:1200px}
header img{width:24px;height:24px}
header .brand{font-weight:700;letter-spacing:.08em;font-size:16px}
header nav{margin-left:auto;display:flex;gap:18px;font-size:14px;align-items:center}
header nav a{color:var(--dim)}
header nav a:hover{color:var(--star);text-decoration:none}
.hdr-chips{display:flex;gap:8px;align-items:center;margin-left:18px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border:1px solid var(--line);border-radius:99px;font-size:13px;color:var(--star);background:var(--void2);white-space:nowrap}
.chip:hover{border-color:var(--cyan);text-decoration:none}
.chip svg{width:15px;height:15px;fill:currentColor;flex-shrink:0}
.chip .n{color:var(--dim);font-weight:600}
.chip .heart{color:var(--ember)}
.ver-menu{position:relative}
.ver-menu summary{list-style:none;cursor:pointer}
.ver-menu summary::-webkit-details-marker{display:none}
.ver-menu summary .chip::after{content:"▾";font-size:10px;color:var(--dim);margin-left:2px}
.ver-menu[open] summary .chip{border-color:var(--cyan)}
.ver-menu .menu{position:absolute;right:0;top:calc(100% + 8px);min-width:230px;background:var(--void2);border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:0 16px 48px rgba(0,0,0,.5);z-index:60}
.ver-menu .menu a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--star);font-size:13.5px}
.ver-menu .menu a:hover{background:var(--void3);text-decoration:none}
.ver-menu .menu a span{color:var(--dim);font-size:12px;margin-left:auto}
@media (max-width:820px){header nav a.txt{display:none}.chip .lbl{display:none}}

/* ── article ────────────────────────────────────────────────────────────── */
.hero{padding:56px 0 40px}
.hero h1{font-size:clamp(28px,4.2vw,44px);line-height:1.12;letter-spacing:-.02em;max-width:18ch}
.hero p.tag{margin:18px 0 0;max-width:660px;color:var(--dim);font-size:18px}
.crumb{font-size:13px;color:var(--dim);margin-bottom:16px}
.crumb a{color:var(--dim)}
.crumb a:hover{color:var(--cyan)}
article section{padding:34px 0;border-top:1px solid var(--line)}
article h2{font-size:24px;margin-bottom:14px;letter-spacing:-.01em}
article p{max-width:70ch;margin-bottom:14px}
article p:last-child{margin-bottom:0}
article section p{color:#c3cbdd}

/* FAQ — <details> so the answers are in the HTML for crawlers, folded for people */
.faq details{border:1px solid var(--line);border-radius:10px;background:var(--void2);margin-bottom:10px;padding:0}
.faq summary{list-style:none;cursor:pointer;padding:15px 18px;font-weight:600;font-size:15.5px;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cyan);font-size:19px;line-height:1;flex-shrink:0}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq details p{padding:15px 18px;margin:0;color:#c3cbdd}

.cta-band{text-align:center}
.btn{display:inline-block;padding:14px 26px;border-radius:10px;font-weight:600;border:1px solid var(--line)}
.btn.primary{background:var(--cyan);color:var(--void);border-color:var(--cyan)}
.btn.primary:hover{filter:brightness(1.1);text-decoration:none}
.note{font-size:13.5px;color:var(--dim);margin-top:12px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
a.card{background:var(--void2);border:1px solid var(--line);border-radius:12px;padding:20px;display:block;color:var(--star)}
a.card:hover{border-color:var(--cyan);text-decoration:none}
a.card h3{font-size:16.5px;margin-bottom:8px;line-height:1.3}
a.card p{color:var(--dim);font-size:14px;margin:0;max-width:none}
.related h2{font-size:19px}

footer{padding:36px 0 48px;border-top:1px solid var(--line);color:var(--dim);font-size:14px;text-align:center}