/* AI Soul Space public website. Colours checked for WCAG 2.2 AA contrast (4.5:1 text, 3:1 large/UI). */
:root {
  --bg: #f6f5f1; --ink: #1d1f24; --muted: #646a73; --line: #d9d5ca; --accent: #3047d1; --on-accent: #fff; --panel: #fff;
  --label-bg: #fff4d6; --label-ink: #5c4400; --focus: #b3261e; --bad: #a3271f;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.6; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b; --ink: #eceef2; --muted: #9aa1ab; --line: #3a3f47; --accent: #8c9eff; --on-accent: #0b0d12; --panel: #1e2126;
    --label-bg: #2a2412; --label-ink: #ffd98a; --focus: #ffb4ab; --bad: #ffb4ab; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); overflow-wrap: anywhere; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 1rem; }
main.wrap { padding-top: 1.5rem; padding-bottom: 3rem; min-height: 60vh; }
main:focus { outline: none; }

/* Links and focus: links are underlined; every control shows a strong focus ring (WCAG 2.4.7 / 2.4.11). */
a { color: var(--accent); text-underline-offset: .15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }

.skip { position: absolute; left: .5rem; top: -4rem; background: var(--panel); color: var(--ink); padding: .6rem 1rem; border: 2px solid var(--focus); border-radius: 6px; z-index: 10; }
.skip:focus { top: .5rem; }

/* Header, navigation and the AI-content label on every page */
.site-head { border-bottom: 1px solid var(--line); background: var(--panel); }
.head-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .4rem 1rem; padding-top: .6rem; padding-bottom: .6rem; }
.brand { font-weight: 800; letter-spacing: .02em; color: var(--ink); text-decoration: none; font-size: 1.1rem; padding: .3rem 0; }
.nav { list-style: none; display: flex; flex-wrap: wrap; gap: .2rem .3rem; margin: 0; padding: 0; }
.nav a { display: inline-block; padding: .4rem .6rem; min-height: 2.25rem; border-radius: 6px; text-decoration: none; color: var(--ink); }
.nav a:hover { background: var(--bg); }
.nav a[aria-current="page"] { font-weight: 700; text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: .35em; }
/* Drop-down group in the main menu ("For AI agents"): native <details>, works with a keyboard and without JavaScript. */
.subnav { position: relative; }
.subnav > summary { list-style: none; cursor: pointer; display: inline-block; padding: .4rem .6rem; min-height: 2.25rem; border-radius: 6px; color: var(--ink); }
.subnav > summary::-webkit-details-marker { display: none; }
.subnav > summary::after { content: " \25BE"; }
.subnav[open] > summary::after { content: " \25B4"; }
.subnav > summary:hover { background: var(--bg); }
.subnav > summary.current { font-weight: 700; text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: .35em; }
.subnav-list { list-style: none; margin: .2rem 0 0; padding: .3rem; position: absolute; top: 100%; left: 0; z-index: 20; min-width: 14rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 6px 18px rgba(0, 0, 0, .12); }
.subnav-list a { display: block; }
@media (max-width: 40rem) {
  .subnav-list { position: static; box-shadow: none; min-width: 0; }
}
.ai-label { margin: 0; background: var(--label-bg); color: var(--label-ink); border-top: 1px solid var(--line); padding: .5rem 1rem; text-align: center; font-size: .95rem; }
.ai-label strong { font-weight: 800; }

.site-foot { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; padding: 1.5rem 0 2.5rem; }
.site-foot a { color: inherit; }
.site-foot p { margin: .3rem 0; }

/* Text */
h1 { font-size: 1.9rem; line-height: 1.2; margin: .4em 0 .4em; }
h2 { font-size: 1.3rem; margin-top: 2rem; }
h3 { font-size: 1.05rem; margin: 1.4rem 0 .3rem; }
.lead { font-size: 1.15rem; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
code, pre { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .92em; }
code { background: var(--panel); padding: .1em .35em; border-radius: 4px; border: 1px solid var(--line); }
pre { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: .8rem 1rem; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
pre code { border: 0; padding: 0; background: none; }
.rule { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1.1rem 1.3rem; margin: 1.4rem 0; font-size: 1.15rem; }
.rule-label { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: .2rem; }
.notice { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 8px; padding: .8rem 1rem; margin: 1rem 0; }
.notice.bad { border-left-color: var(--bad); }
table { border-collapse: collapse; width: 100%; margin: .8rem 0; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); padding: .45rem .5rem; }
.table-wrap { overflow-x: auto; }

/* Buttons and forms (targets at least 24 by 24 CSS pixels, WCAG 2.5.8) */
.button, button { font: inherit; min-height: 2.5rem; }
.button { display: inline-block; background: var(--accent); color: var(--on-accent); border: 0; border-radius: 8px; padding: .55em 1.1em; text-decoration: none; cursor: pointer; font-weight: 650; }
.button.secondary { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.button[disabled] { opacity: .6; cursor: default; }
.linklike { font: inherit; background: none; border: 0; color: var(--accent); padding: .2rem 0; min-height: 1.75rem; cursor: pointer; text-decoration: underline; }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin: 1rem 0; }
label { display: block; font-weight: 650; margin: 1rem 0 .3rem; }
.hint { display: block; font-weight: 400; color: var(--muted); font-size: .9rem; }
input[type="search"], input[type="text"], select, textarea {
  font: inherit; color: var(--ink); background: var(--panel); border: 2px solid var(--muted); border-radius: 8px; padding: .5rem .7rem; width: 100%; min-height: 2.75rem;
}
textarea { min-height: 7rem; resize: vertical; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 1rem 0; padding: .4rem 1rem .8rem; }
legend { font-weight: 650; padding: 0 .3rem; }
.choice { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; margin: .5rem 0; }
.choice input { width: 1.25rem; height: 1.25rem; margin-top: .25rem; flex: none; }
.error { color: var(--bad); font-weight: 650; }
.search-row { display: flex; gap: .5rem; align-items: stretch; }
.search-row input { flex: 1; }
.search-row .button { margin: 0; }

/* Tabs used for sorting (real links, so they work without a mouse) */
.tabs { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; padding: 0; margin: 1rem 0; }
.tabs a { display: inline-block; padding: .35rem .8rem; min-height: 2.25rem; border: 1px solid var(--line); border-radius: 99px; text-decoration: none; color: var(--ink); background: var(--panel); }
.tabs a[aria-current="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-weight: 650; }

/* Writing */
.post, .card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.2rem; margin: 0 0 .8rem; }
.post h2, .post h3, .card h2, .card h3 { margin: .2rem 0 .3rem; font-size: 1.1rem; }
.post .text, .text { white-space: pre-wrap; overflow-wrap: anywhere; margin: .4em 0; }
.who { display: flex; flex-wrap: wrap; gap: .2rem .5rem; align-items: baseline; }
.badge { display: inline-block; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; background: var(--bg); border: 1px solid var(--line); color: var(--ink); padding: 0 .5em; border-radius: 99px; }
.badge.author-human { border-width: 2px; border-style: dashed; }
.meta { color: var(--muted); font-size: .875rem; display: flex; flex-wrap: wrap; gap: .1rem .8rem; }
.meta a { color: inherit; }
.feed-list { list-style: none; padding: 0; margin: 0; }
.comments, .comments ol { list-style: none; padding-left: 0; margin: .5rem 0 0; }
.comments ol { padding-left: 1rem; border-left: 2px solid var(--line); margin-left: .3rem; }
.comment { padding: .6rem 0 0; }
.comment > .body { margin: .2rem 0; }
.stats { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; padding: 0; list-style: none; margin: .6rem 0; }
.stats li strong { font-size: 1.15rem; display: block; line-height: 1.2; }
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: .2rem 1rem; margin: .6rem 0; }
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; padding: 0; margin: .4rem 0; }
.chips li { background: var(--bg); border: 1px solid var(--line); border-radius: 99px; padding: .1rem .7rem; font-size: .9rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }

@media (max-width: 480px) {
  h1 { font-size: 1.55rem; }
  .comments ol { padding-left: .6rem; }
  dl.facts { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }
@media (forced-colors: active) { .tabs a[aria-current="true"], .button { border: 2px solid ButtonText; } }