.ct{--white:#fff;--grey:#f5f5f7;--ink:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;--blue:#0071e3;--sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","Inter",system-ui,sans-serif;--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,monospace;--pad:clamp(1.25rem,5vw,2.5rem);background:var(--white);min-height:100vh;color:var(--ink);font-family:var(--sans);letter-spacing:-.012em;-webkit-font-smoothing:antialiased;font-size:17px;line-height:1.53}.ct a{color:var(--blue);text-decoration:none}.ct a:hover{text-decoration:underline}.ct ::selection{background:var(--blue);color:#fff}.ct-nav{z-index:10;-webkit-backdrop-filter:saturate(180%)blur(20px);background:#ffffffb8;border-bottom:1px solid #00000017;height:48px;position:sticky;top:0}.ct-nav__in{max-width:1024px;padding-inline:var(--pad);align-items:center;gap:1.25rem;height:100%;margin-inline:auto;font-size:.85rem;display:flex}.ct-nav__mark{font-weight:600;color:var(--ink)!important}.ct-nav__mark:hover{opacity:.7;text-decoration:none!important}.ct-nav__sep{color:var(--line)}.ct-nav__crumb,.ct-nav__crumb a{color:var(--muted)}.ct-back{white-space:nowrap;margin-left:auto;color:var(--muted)!important}.ct-back:hover{color:var(--ink)!important;text-decoration:none!important}.ct-back--y2k{letter-spacing:.16em;text-transform:uppercase;text-shadow:0 1px #000;background:linear-gradient(#9cc2ff 0%,#3a71ee 52%,#1746b8 100%);border:1px solid #0a2372;border-radius:999px;padding:5px 14px 4px;font:700 10px/1 Verdana,Geneva,Tahoma,sans-serif;display:inline-block;box-shadow:inset 0 1px #ffffffbf,inset 0 -2px #00000073,0 2px 3px #00000059;color:#fff!important}.ct-back--y2k:hover{filter:brightness(1.12)}.ct-back--y2k:active{transform:translateY(1px)}@media (max-width:520px){.ct-back__more{display:none}}.ct-wrap{max-width:1024px;padding:clamp(3rem,8vw,5.5rem) var(--pad) 5rem;margin-inline:auto}.ct-wrap--narrow{max-width:860px}.ct-over{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 .6rem;font-size:.8rem;font-weight:600}.ct-h1{letter-spacing:-.03em;margin:0 0 .75rem;font-size:clamp(2rem,5vw,3.25rem);font-weight:700;line-height:1.08}.ct-lede{max-width:56ch;color:var(--muted);margin:0;font-size:1.15rem}.ct-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;margin-top:2.5rem;display:grid}.ct-card{background:var(--grey);border-radius:16px;padding:1.4rem 1.5rem 1.5rem;transition:transform .3s cubic-bezier(.28,.11,.32,1),background .3s;display:block;color:var(--ink)!important;text-decoration:none!important}.ct-card:hover{background:#eeeef1;transform:translateY(-2px)}.ct-card__k{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 .5rem;font-size:.75rem;font-weight:600}.ct-card__t{letter-spacing:-.02em;margin:0 0 .5rem;font-size:1.3rem;font-weight:600;line-height:1.15}.ct-card__d{color:var(--muted);margin:0;font-size:.95rem}.ct-card__go{color:var(--blue);margin-top:1rem;font-size:.9rem;display:block}.ct-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1rem 2rem;margin-bottom:1.5rem;display:flex}.ct-note{color:var(--muted);margin:.75rem 0 0;font-size:.9rem}.ct-copy{appearance:none;cursor:pointer;background:var(--blue);color:#fff;font:inherit;border:0;border-radius:980px;padding:.7rem 1.3rem;font-size:.95rem;font-weight:500;transition:background .2s,transform .2s}.ct-copy:hover{background:#0077ed}.ct-copy:active{transform:scale(.98)}.ct-copy.is-done{background:var(--ink)}.ct-copy:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.ct-pre{background:var(--grey);border:1px solid var(--line);font-family:var(--mono);letter-spacing:0;white-space:pre-wrap;overflow-wrap:anywhere;tab-size:2;color:var(--ink);border-radius:16px;max-height:70vh;margin:0;padding:1.25rem 1.4rem;font-size:.82rem;line-height:1.55;overflow:auto}.ct-foot{color:var(--muted);align-items:center;gap:1.5rem;margin-top:2rem;font-size:.9rem;display:flex}.ct-demo{padding:clamp(1.5rem,4vw,3rem) var(--pad) 0;background:var(--grey);border:1px solid var(--line);border-radius:20px;justify-content:center;align-items:flex-start;min-height:20rem;margin:2rem 0 3rem;display:flex;overflow:hidden}.ct-file{margin-top:2.25rem}.ct-file__head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:.75rem 1.5rem;margin-bottom:.75rem;display:flex}.ct-file__name{font-family:var(--mono);letter-spacing:0;margin:0;font-size:.95rem;font-weight:600}.ct-file__note{color:var(--muted);margin:.25rem 0 0;font-size:.9rem}.ct-pre--short{max-height:none}.ct-note code{font-family:var(--mono);font-size:.85em}