/* Install guides (/install, /install/<platform>) */
.guide { padding-top: 28px; padding-bottom: 72px; max-width: 1080px; }
.guide h1 { font-size: clamp(1.9rem, 4.2vw, 2.7rem); }
.guide h2 { font-size: 1.35rem; margin: 40px 0 14px; }
.guide h3 { font-size: 1.05rem; margin: 26px 0 8px; }
.guide .lead { color: var(--muted); font-size: 1.08rem; margin: 12px 0 0; max-width: 720px; }
.guide code { font-size: 0.86em; background: var(--soft); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; color: var(--ink); }
.guide kbd { font: 600 0.8em var(--font); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px; background: #fff; color: var(--ink); }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.88rem; color: var(--muted); margin-bottom: 22px; }
.crumbs a { color: var(--muted); }
.crumbs span[aria-current] { color: var(--ink); font-weight: 500; }
.ui { font-weight: 600; color: var(--ink); white-space: nowrap; }
.sep { color: #94a3b8; margin: 0 1px; }

.ghead { display: flex; gap: 18px; align-items: flex-start; }
.ghead .lead { margin-top: 10px; }
.meta { margin: 16px 0 0; font-size: 0.9rem; color: var(--muted); }
.pi { display: inline-grid; place-items: center; flex: none; width: 34px; height: 34px; border-radius: 10px; color: #fff; font-weight: 800; font-size: 0.85rem; letter-spacing: -0.02em; }
.pi.lg { width: 56px; height: 56px; border-radius: 14px; font-size: 1.2rem; margin-top: 4px; }

.glayout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 48px; margin-top: 8px; }
.glayout aside { position: sticky; top: 84px; align-self: start; margin-top: 32px; }
.aside-t { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }

.snip { margin-top: 28px; border: 1px solid var(--brand-100); background: var(--brand-50); border-radius: var(--radius); padding: 18px; }
.snip-t { margin: 0 0 10px; font-weight: 650; color: var(--ink); }
.snip-n { margin: 10px 0 0; font-size: 0.92rem; color: var(--body); }
.snip .codebox { margin: 0; }

.codebox { margin: 12px 0; border-radius: 12px; overflow: hidden; background: #0f172a; border: 1px solid #1e293b; }
.codehead { display: flex; align-items: center; justify-content: space-between; padding: 6px 8px 6px 14px; background: #1e293b; color: #94a3b8; font-size: 0.78rem; font-weight: 600; }
.codehead .copy { font: 600 0.78rem var(--font); color: #e2e8f0; background: rgba(255, 255, 255, 0.08); border: 0; border-radius: 6px; padding: 4px 10px; cursor: pointer; }
.codehead .copy:hover { background: rgba(255, 255, 255, 0.16); }
.codebox pre { margin: 0; padding: 14px; overflow-x: auto; }
.codebox code { background: none !important; border: 0 !important; padding: 0 !important; color: #e2e8f0 !important; font: 0.84rem/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre; }

.gsteps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 4px; }
.gsteps li { counter-increment: s; position: relative; padding: 12px 0 14px 50px; border-bottom: 1px solid var(--line); }
.gsteps li:last-child { border-bottom: 0; }
.gsteps li::before { content: counter(s); position: absolute; left: 0; top: 10px; width: 32px; height: 32px; border-radius: 10px; background: var(--brand); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 0.9rem; }
.list { padding-left: 20px; }
.list li { margin: 6px 0; }
.note { background: #fffbeb; border: 1px solid #fde68a; border-radius: 12px; padding: 12px 14px; font-size: 0.95rem; margin-top: 20px; }

.faq details { border: 1px solid var(--line); border-radius: 12px; padding: 0 16px; margin-bottom: 8px; background: #fff; }
.faq summary { cursor: pointer; padding: 13px 0; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 500; font-size: 1.2rem; line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 14px; color: var(--body); }

.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.tiles.col { grid-template-columns: 1fr; gap: 6px; }
.tile { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); font-weight: 600; background: #fff; transition: border-color 0.15s, transform 0.15s; }
.tile:hover { border-color: var(--brand-100); text-decoration: none; transform: translateY(-1px); }
.tiles.col .tile { padding: 8px 10px; font-size: 0.9rem; font-weight: 500; }
.tiles.col .tile .pi { width: 26px; height: 26px; border-radius: 7px; font-size: 0.7rem; }
.tile.on { border-color: var(--brand); background: var(--brand-50); }

.big3 { list-style: none; counter-reset: b; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.big3 li { counter-increment: b; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; background: #fff; }
.big3 li::before { content: counter(b); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 10px; }
.big3 li > b { display: block; color: var(--ink); }
.big3 li > span { display: block; margin-top: 4px; color: var(--muted); font-size: 0.93rem; }

.cta { margin-top: 40px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; background: var(--soft); }

@media (max-width: 900px) {
  .glayout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .glayout aside { position: static; margin-top: 40px; }
  .tiles.col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .big3 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .tiles, .tiles.col { grid-template-columns: 1fr; }
  .ghead { gap: 12px; }
  .pi.lg { width: 44px; height: 44px; font-size: 1rem; }
  .gsteps li { padding-left: 44px; }
  .hide-sm { display: none; }
}