/* FutFriend site — the App guide page (app-guide/index.html). Same tokens and surfaces as site.css and extra.css:
   glass panels, white pills, mono numbers. The screenshots come from the app's own page with made-up data. */

/* the header is solid from the start here (no hero under it); the contents links glide */
.hdr-nav a[aria-current="page"]{color:#fff;background:var(--glass)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

/* ---------- intro ---------- */
.g-hero{padding:136px 0 0}
.g-hero h1{margin:0}
.g-hero .sec-lead{max-width:700px}
.g-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:26px}
.g-lang button{min-width:84px}
.g-fake{font-size:13px;color:var(--mut);max-width:560px;margin:0}

/* ---------- contents + sections ---------- */
.g-body{display:grid;grid-template-columns:224px minmax(0,1fr);gap:56px;align-items:start;margin-top:64px}
.g-toc{position:sticky;top:88px;max-height:calc(100vh - 108px);overflow:auto;scrollbar-width:none}
.g-toc::-webkit-scrollbar{display:none}
.g-toc summary{display:none}
.g-toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.g-toc a{display:flex;align-items:baseline;gap:10px;padding:7px 10px;border-radius:10px;text-decoration:none;font-size:14px;line-height:1.35;color:var(--mut);transition:background-color .15s,color .15s}
.g-toc a:hover{color:#fff;background:rgba(255,255,255,.05)}
.g-toc a.on{color:#fff;background:var(--glass-hi);box-shadow:var(--shadow-thumb)}
.g-toc .n{flex:none;min-width:20px;font:600 11.5px var(--font-mono);color:var(--faint)}
.g-toc a.on .n{color:var(--ink2)}

.gs{margin:0 0 104px;scroll-margin-top:84px}
.gs-k{display:block;font:600 12px var(--font-mono);letter-spacing:.06em;color:var(--mut)}
.gs h2{margin-top:8px;font-size:clamp(28px,3.4vw,42px);line-height:1.06;font-weight:700;letter-spacing:-.03em}
.gs-lead{margin-top:14px;font-size:17px;line-height:1.6;color:var(--ink2);max-width:720px}
.gs h3{margin-top:48px;font-size:21px;line-height:1.3;font-weight:650;letter-spacing:-.012em}
.gs h3 + p,.gs h3 + .g-list{margin-top:10px}
.gs p.g-p{margin-top:12px;font-size:15.5px;line-height:1.6;color:var(--ink2);max-width:760px}
.gs b,.gs strong{color:var(--ink);font-weight:650}
.gs a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.35);text-underline-offset:3px}
.gs a:hover{text-decoration-color:#fff}
.gs a.pill{text-decoration:none}
.gs em{font-style:normal;color:var(--ink)}
kbd{display:inline-block;min-width:22px;padding:1px 7px;border-radius:6px;background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),inset 0 -1px 0 rgba(0,0,0,.4);font:600 12.5px/1.5 var(--font-mono);color:#fff;text-align:center;white-space:nowrap}

/* ---------- screenshots with numbered pins ---------- */
.shot{position:relative;margin:28px 0 0}
.shot-in{position:relative}
.shot img{display:block;width:100%;height:auto;border-radius:var(--r-card);background:#0d0e11;box-shadow:var(--shadow-picture)}
.shot figcaption{margin-top:12px;font-size:13.5px;line-height:1.5;color:var(--mut);max-width:760px}
.pin{position:absolute;z-index:1;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,var(--gold-1),var(--gold-3));color:var(--card-ink);font:800 12.5px/1 var(--font-sans);box-shadow:0 0 0 3px rgba(11,12,15,.6),0 8px 18px -6px rgba(0,0,0,.7);pointer-events:none}      /* gold: never mistaken for a button of the app */
.shot-in.pl{margin-left:30px}                   /* room for the numbers beside a panel */
.shot-in.pt{margin-top:30px}                    /* ... and above a thin bar */
.shot.narrow{max-width:540px}
.shot.tiny{max-width:620px}

/* the numbered explanations beside / under a screenshot */
.legend{list-style:none;margin:26px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 36px}
.legend.one{grid-template-columns:minmax(0,1fr)}
.legend li{display:grid;grid-template-columns:26px minmax(0,1fr);gap:12px;align-items:start}
.legend .pn{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,var(--gold-1),var(--gold-3));color:var(--card-ink);font:800 12.5px/1 var(--font-sans);margin-top:-1px}
.legend b{display:block;font-size:15.5px;line-height:1.4;font-weight:650;color:var(--ink)}
.legend p{margin:3px 0 0;font-size:15px;line-height:1.55;color:var(--ink2)}
.legend p,.g-list li,.gs-lead,.g-p,.g-card p,.g-tbl td{overflow-wrap:anywhere}      /* a long address in a line never widens the page */

/* a narrow screenshot (a panel, a dialog) with its explanations beside it */
.g-split{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:40px;align-items:start;margin-top:28px}
.g-split.wide{grid-template-columns:minmax(0,470px) minmax(0,1fr)}
.g-split .shot,.g-split .legend{margin:0}
.g-split .legend{grid-template-columns:minmax(0,1fr)}
.g-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 36px;align-items:start;margin-top:28px}
.g-pair .shot{margin:0}
.g-pair .legend{grid-template-columns:minmax(0,1fr);margin-top:20px}

/* ---------- the round buttons, one by one ---------- */
.g-icons{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-direction:column;gap:2px}
.g-icons li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;align-items:start;padding:16px 0;box-shadow:inset 0 -1px 0 var(--line)}
.g-icons li:last-child{box-shadow:none}
.g-ib{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);color:#fff}
.g-ib svg{width:17px;height:17px}
.g-ib.amber{color:#f2b85b;background:rgba(242,184,91,.14);box-shadow:inset 0 0 0 1px rgba(242,184,91,.45)}
.g-ib .rd{width:12px;height:12px;border-radius:50%;box-shadow:inset 0 0 0 2.2px currentColor}
.g-icons b{display:block;font-size:16px;font-weight:650;color:var(--ink)}
.g-icons p{margin:4px 0 0;font-size:15px;line-height:1.55;color:var(--ink2);max-width:720px}

/* ---------- lists, steps, notes, tables ---------- */
.g-list{margin:14px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:9px;font-size:15.5px;line-height:1.55;color:var(--ink2);max-width:780px}
.g-list li::marker{color:var(--mut)}
.g-steps{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;counter-reset:s;max-width:780px}
.g-steps li{position:relative;padding:14px 16px 14px 56px;border-radius:14px;background:var(--glass);box-shadow:var(--shadow-ring);font-size:15px;line-height:1.55;color:var(--ink2);counter-increment:s}
.g-steps li::before{content:counter(s);position:absolute;left:16px;top:13px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font:700 12.5px/1 var(--font-sans);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.3)}
.g-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}
.g-card{padding:20px 22px 22px}
.g-card h4{margin:0;font-size:16.5px;line-height:1.35;font-weight:650;letter-spacing:-.01em}
.g-card p{margin:8px 0 0;font-size:15px;line-height:1.55;color:var(--ink2)}
.g-note{display:flex;gap:14px;align-items:flex-start;margin-top:24px;padding:16px 18px;border-radius:16px;background:var(--amber-soft);box-shadow:inset 0 0 0 1px var(--amber-line);max-width:780px}
.g-note .i{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--amber);color:#1a1205;font-weight:800;font-size:15px}
.g-note p{margin:0;font-size:15px;line-height:1.55;color:var(--ink2)}
.g-note b{color:#fff}
.g-tip{margin-top:20px;padding:14px 18px;border-radius:14px;background:var(--glass);box-shadow:var(--shadow-ring);font-size:14.5px;line-height:1.55;color:var(--ink2);max-width:780px}
.g-dots{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 24px;max-width:780px}
.g-dots li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ink2)}
.g-dot{flex:none;width:10px;height:10px;border-radius:50%}
.g-dot.on{background:var(--go);box-shadow:0 0 0 3px var(--go-soft)}
.g-dot.man{background:#fff}
.g-dot.idle{background:rgba(255,255,255,.4)}
.g-dot.off{box-shadow:inset 0 0 0 2px rgba(255,255,255,.45)}
.g-dot.wait{background:var(--amber)}
.g-dot.err{background:var(--coral)}

.g-tbl{margin-top:22px;overflow:hidden}
.g-tbl table{width:100%;border-collapse:collapse;font-size:14.5px}
.g-tbl th,.g-tbl td{text-align:left;vertical-align:top;padding:13px 20px;line-height:1.5}
.g-tbl thead th{font-size:12.5px;font-weight:600;color:var(--mut);padding-top:16px;padding-bottom:10px}
.g-tbl tbody tr{box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}
.g-tbl tbody th{font-weight:600;color:var(--ink);width:42%}
.g-tbl td{color:var(--ink2)}
.g-tbl caption{caption-side:top;text-align:left;padding:16px 20px 0;font-size:13px;font-weight:600;color:var(--mut)}
.g-keys td:first-child{width:36%;white-space:nowrap}
.g-keys td{color:var(--ink)}

.g-end{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* ---------- smaller screens ---------- */
@media (max-width:1100px){
  .g-body{grid-template-columns:minmax(0,1fr);gap:0;margin-top:40px}
  .g-toc{position:static;max-height:none;overflow:visible;margin-bottom:56px;border-radius:var(--r-l);background:var(--glass);box-shadow:var(--shadow-glass)}
  .g-toc summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;cursor:pointer;list-style:none;font-size:15px;font-weight:650}
  .g-toc summary::-webkit-details-marker{display:none}
  .g-toc summary svg{transition:transform .25s cubic-bezier(.3,.8,.25,1);color:var(--mut)}
  .g-toc[open] summary svg{transform:rotate(180deg)}
  .g-toc ol{padding:0 10px 12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .g-hero{padding-top:104px}
  .gs{margin-bottom:80px}
  .legend,.g-cards,.g-pair{grid-template-columns:minmax(0,1fr)}
  .g-split,.g-split.wide{grid-template-columns:minmax(0,1fr);gap:24px}
  .g-split .shot{max-width:400px}
  .g-dots{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pin{width:20px;height:20px;margin:-10px 0 0 -10px;font-size:11px;box-shadow:0 0 0 2px rgba(11,12,15,.6),0 4px 10px -3px rgba(0,0,0,.7)}
  .g-tbl th,.g-tbl td{padding:12px 16px}
}
@media (max-width:640px){
  .g-toc ol{grid-template-columns:minmax(0,1fr)}
  .gs-lead{font-size:16px}
  .g-tbl thead{display:none}
  .g-tbl tbody tr{display:block;padding:12px 16px}
  .g-tbl tbody th,.g-tbl tbody td{display:block;width:auto;padding:0}
  .g-tbl tbody td{margin-top:3px}
  .g-keys tbody tr{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;align-items:center}
  .g-keys tbody td{margin:0}
  .g-steps li{padding-left:52px}
}