/* CAPTCHArena hub — one stylesheet, system fonts, light and dark. No external resources. */
:root {
  --bg: #fbfbf8; --fg: #1c1d1f; --muted: #5b5f66; --line: #dcdcd4; --card: #ffffff;
  --accent: #1f5f8b; --accent-ink: #ffffff; --tag: #fff3d6; --tag-ink: #6b4a00; --note: #eef4f8;
  --maxw: 74rem; --prose: 46rem;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #15171a; --fg: #e6e6e1; --muted: #a2a6ad; --line: #33363b; --card: #1c1f23;
          --accent: #7cb7e0; --accent-ink: #0d1114; --tag: #3a3220; --tag-ink: #f2d593; --note: #1d2a33; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 1.0625rem/1.6 var(--sans); }
a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; }

.site-header { border-bottom: 1px solid var(--line); background: var(--card); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.5rem; padding-top: .75rem; padding-bottom: .75rem; }
.brand { font-weight: 800; font-size: 1.25rem; letter-spacing: -.01em; color: var(--fg); text-decoration: none; }
.brand span { color: var(--accent); }
.site-header nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1rem; }
.site-header nav a { color: var(--fg); text-decoration: none; padding: .25rem 0; border-bottom: 2px solid transparent; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { border-bottom-color: var(--accent); }

main { padding-top: 2rem; padding-bottom: 3rem; }
.page-head { max-width: var(--prose); margin-bottom: 1.5rem; }
h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); line-height: 1.15; letter-spacing: -.015em; margin: .25rem 0 .75rem; }
h2 { font-size: 1.5rem; line-height: 1.25; margin: 2.25rem 0 .75rem; }
h3 { font-size: 1.15rem; margin: 1.75rem 0 .5rem; }
.lede { font-size: 1.2rem; color: var(--muted); margin: 0 0 .5rem; }
.checked { font-size: .9rem; color: var(--muted); margin: 0; }
.crumb { margin: 0; font-size: .95rem; }
.status { display: inline-block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
          background: var(--tag); color: var(--tag-ink); border-radius: .25rem; padding: .05rem .4rem; vertical-align: .1em; }

.prose { max-width: var(--prose); }
.prose > table, .prose .wide { max-width: none; }
.prose img { max-width: 100%; }
.prose li { margin: .25rem 0; }
.prose blockquote { margin: 1rem 0; padding: .25rem 1rem; border-left: 4px solid var(--line); color: var(--muted); }
code { font-family: var(--mono); font-size: .9em; background: var(--note); padding: .05em .3em; border-radius: .2rem; }
pre { overflow-x: auto; background: var(--note); padding: 1rem; border-radius: .4rem; }
pre code { background: none; padding: 0; }

/* Tables can be wider than the text column and scroll on small screens. */
table { border-collapse: collapse; margin: 1.25rem 0; font-size: .95rem; display: block; overflow-x: auto; max-width: calc(var(--maxw) - 2.5rem); }
th, td { border: 1px solid var(--line); padding: .45rem .6rem; text-align: left; vertical-align: top; }
th { background: var(--note); font-weight: 650; }
tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--card) 70%, var(--bg)); }

.toc { max-width: var(--prose); border: 1px solid var(--line); border-radius: .5rem; padding: .6rem 1rem; margin: 0 0 1.5rem; background: var(--card); font-size: .95rem; }
.toc p { margin: 0 0 .25rem; font-weight: 700; }
.toc ul { margin: 0; padding-left: 1.1rem; columns: 2 16rem; }

aside.coming, aside.note { border-radius: .5rem; padding: .75rem 1rem; margin: 1.25rem 0; }
aside.coming { background: var(--tag); color: var(--tag-ink); border: 1px dashed currentColor; }
aside.coming .tag { margin: 0; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; font-size: .8rem; }
aside.coming a { color: inherit; }
aside.note { background: var(--note); border-left: 4px solid var(--accent); }
aside > :first-child { margin-top: 0; } aside > :last-child { margin-bottom: 0; }

.cards ul, ul.cards { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 1rem; }
.cards li, ul.cards li { background: var(--card); border: 1px solid var(--line); border-radius: .6rem; padding: 1rem; margin: 0; }
.cards li span { color: var(--muted); font-size: .95rem; }
.cards h2 { font-size: 1.2rem; }

.doors { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1rem; margin: 1.5rem 0; max-width: none; }
.doors a { display: block; background: var(--card); border: 1px solid var(--line); border-radius: .6rem; padding: 1rem 1.1rem; text-decoration: none; color: var(--fg); }
.doors a:hover { border-color: var(--accent); }
.doors strong { display: block; color: var(--accent); font-size: 1.1rem; margin-bottom: .25rem; }

.cta { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 700; padding: .55rem 1rem; border-radius: .4rem; }
.cta:hover { filter: brightness(1.08); }

#live-summary { border: 1px solid var(--line); border-radius: .6rem; padding: 1rem; background: var(--card); max-width: none; }
#live-summary a { overflow-wrap: anywhere; }
#live-summary[data-state="loading"] .result { opacity: .6; }
#live-summary .meta { color: var(--muted); font-size: .9rem; }

.site-footer { border-top: 1px solid var(--line); background: var(--card); color: var(--muted); font-size: .92rem; padding: 1.25rem 0 2rem; }
.site-footer p { max-width: var(--prose); }
.site-footer .safety { color: var(--fg); }
.small { font-size: .85rem; }

@media print { .site-header nav, .site-footer, .skip, .toc { display: none; } body { background: #fff; color: #000; } }