/* ARBRcraft private portal. Palette from design doc Section 26.2. */
:root {
  --obsidian: #171B25;
  --obsidian-2: #11141c;
  --slate: #414B58;
  --surface: #1e2430;
  --surface-2: #252c3a;
  --line: rgba(183, 149, 88, .28);
  --line-soft: rgba(233, 227, 215, .10);
  --ivory: #E9E3D7;
  --muted: #aaa497;
  --gold: #B79558;
  --gold-bright: #d4b475;
  --amethyst: #7764AC;
  --starlight: #AABFE4;
  --teal: #5fb3a8;
  --ok: #7cc79a;
  --warn: #e0b45c;
  --radius: 14px;
  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 700px at 50% 38%, rgba(119, 100, 172, .16), transparent 70%),
    url("sky.svg") center 0 / 1600px auto no-repeat,
    linear-gradient(180deg, var(--obsidian) 0%, var(--obsidian-2) 100%);
  color: var(--ivory);
  font: 16px/1.6 var(--sans);
}
a { color: var(--starlight); text-underline-offset: 3px; }
a:hover { color: var(--ivory); }
:focus-visible { outline: 2px solid var(--starlight); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3, .changelog .ver { font-variant-numeric: lining-nums; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: .01em; line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
h2 { font-size: 1.7rem; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
code, .mono { font-family: var(--mono); font-size: .9em; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 9; }

/* Wordmark: weight ARBR, keep craft readable */
.wordmark { font-family: var(--serif); font-size: 1.5rem; letter-spacing: .14em; text-decoration: none; color: var(--ivory); white-space: nowrap; }
.wordmark b { font-weight: 700; color: var(--gold-bright); }
.wordmark span { font-weight: 400; letter-spacing: .06em; opacity: .85; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  min-height: 48px; padding: .75em 1.4em; border-radius: 10px;
  font: 600 1rem/1 var(--sans); text-decoration: none; cursor: pointer;
  border: 1px solid var(--gold); color: var(--obsidian);
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  box-shadow: 0 6px 24px rgba(183, 149, 88, .18);
}
.btn:hover { color: var(--obsidian); filter: brightness(1.07); }
.btn.ghost { background: transparent; color: var(--ivory); border-color: var(--line); box-shadow: none; }
.btn.ghost:hover { border-color: var(--gold); color: var(--ivory); }
.btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; filter: grayscale(.4); }
.btn svg { width: 20px; height: 20px; flex: none; }

/* ---------- Entry (public) page ---------- */
.entry { min-height: 100vh; display: grid; place-items: center; padding: 32px 16px; }
.arch-card {
  position: relative; width: min(440px, 100%);
  padding: 72px 36px 36px; text-align: center;
  background: linear-gradient(180deg, rgba(37, 44, 58, .92), rgba(23, 27, 37, .96));
  border: 1px solid var(--line);
  border-radius: 220px 220px var(--radius) var(--radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45), inset 0 0 0 6px rgba(23, 27, 37, .6), inset 0 0 0 7px var(--line-soft);
}
.arch-card .crest { width: 92px; height: auto; margin: 0 auto 18px; display: block; }
.arch-card .wordmark { font-size: 2rem; display: block; margin-bottom: 6px; }
.arch-card .sub { color: var(--muted); font-size: .95rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 26px; }
.arch-card .tag { font-family: var(--serif); font-style: italic; font-size: 1.25rem; color: var(--ivory); opacity: .9; margin-bottom: 28px; }
.arch-card .btn { width: 100%; }
.arch-card .actions { display: grid; gap: 12px; }
.fine { color: var(--muted); font-size: .85rem; margin-top: 22px; }
.fine a { color: var(--muted); }
details.invite { margin-top: 18px; text-align: left; border-top: 1px solid var(--line-soft); padding-top: 14px; }
details.invite summary { cursor: pointer; color: var(--starlight); text-align: center; list-style: none; }
details.invite summary::-webkit-details-marker { display: none; }
details.invite p { color: var(--muted); font-size: .92rem; margin: 12px 0 0; }

/* ---------- Member area ---------- */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px max(16px, calc((100% - 1120px) / 2));
  background: rgba(17, 20, 28, .82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar nav { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.topbar nav a { color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-size: .95rem; }
.topbar nav a:hover, .topbar nav a[aria-current="page"] { color: var(--ivory); background: rgba(233, 227, 215, .06); }
.topbar .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.topbar .brand img { width: 30px; height: auto; }

main.wrap { max-width: 1120px; margin: 0 auto; padding: 40px 16px 64px; }
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: stretch; margin-bottom: 24px; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; font-weight: 600; margin-bottom: 10px; }
.lede { color: var(--muted); font-size: 1.08rem; max-width: 56ch; }

.card {
  background: linear-gradient(180deg, rgba(37, 44, 58, .9), rgba(30, 36, 48, .92));
  border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 26px;
}
.card.accent { border-color: var(--line); position: relative; overflow: hidden; }
.card.accent::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--starlight), transparent); opacity: .7;
}
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 24px; }

.download .btn { width: 100%; margin: 18px 0 14px; font-size: 1.05rem; min-height: 56px; }
.meta { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: .92rem; margin: 0; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; overflow-wrap: anywhere; }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: .9rem; font-weight: 600; }
.status::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.status.ok { color: var(--ok); }
.status.warn { color: var(--warn); }
.status.off { color: var(--muted); }
.note { font-size: .88rem; color: var(--muted); border-left: 2px solid var(--amethyst); padding: 4px 0 4px 12px; margin-top: 14px; }
.mobile-only { display: none; }

.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; display: grid; gap: 18px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; }
.steps li::before {
  content: counter(s); display: grid; place-items: center; width: 40px; height: 40px;
  border: 1px solid var(--gold); border-radius: 50% 50% 6px 6px; /* tiny arch */
  font-family: var(--serif); font-size: 1.25rem; color: var(--gold-bright);
}
.steps strong { display: block; margin-bottom: 2px; }
.steps span { color: var(--muted); font-size: .95rem; }

.copy-row { display: flex; gap: 10px; align-items: center; margin-top: 12px; }
.copy-row code { flex: 1; background: var(--obsidian-2); border: 1px solid var(--line-soft); padding: 12px 14px; border-radius: 8px; overflow-wrap: anywhere; }
.copy-row .btn { min-height: 44px; padding: .6em 1em; }

.changelog { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.changelog > li { border-left: 1px solid var(--line); padding-left: 14px; }
.changelog .ver { font-family: var(--serif); font-size: 1.15rem; color: var(--gold-bright); }
.changelog .date { color: var(--muted); font-size: .85rem; margin-left: 8px; }
.changelog ul { margin: 6px 0 0; padding-left: 18px; color: var(--muted); font-size: .95rem; }

.pillars .card h3 { display: flex; align-items: center; gap: 10px; }
.pillars .card p { color: var(--muted); font-size: .95rem; margin: 0; }
.pillars svg { width: 26px; height: 26px; stroke: var(--gold); flex: none; }

/* Guide page */
.prose { max-width: 760px; }
.prose h2 { margin-top: 1.6em; }
.prose ol, .prose ul { padding-left: 1.3em; }
.prose li { margin-bottom: .5em; }
.prose .card { margin: 18px 0; }
kbd { font-family: var(--mono); font-size: .85em; border: 1px solid var(--slate); border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px; background: var(--obsidian-2); }

/* Mod list */
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 18px 0; }
.toolbar input, .toolbar select {
  min-height: 46px; padding: 0 14px; border-radius: 10px; font: inherit; color: var(--ivory);
  background: var(--obsidian-2); border: 1px solid var(--line-soft);
}
.toolbar input { flex: 1 1 260px; }
.toolbar .count { color: var(--muted); font-size: .9rem; }
.mods { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; list-style: none; padding: 0; margin: 0; }
.mods li { background: var(--surface); border: 1px solid var(--line-soft); border-radius: 12px; padding: 16px; }
.mods .name { font-weight: 600; }
.mods .cat { display: inline-block; font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: var(--gold); margin-top: 4px; }
.mods .desc { color: var(--muted); font-size: .9rem; margin: 6px 0 8px; }
.mods .src { font-size: .85rem; }
.sample-banner { background: rgba(119, 100, 172, .15); border: 1px solid rgba(119, 100, 172, .45); border-radius: 10px; padding: 10px 14px; font-size: .9rem; margin-bottom: 18px; }

footer.site { max-width: 1120px; margin: 0 auto; padding: 0 16px 40px; color: var(--muted); font-size: .85rem; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--line-soft); padding-top: 20px; }

@media (max-width: 900px) {
  .hero, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { background-size: auto, 1000px auto, auto; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 8px; padding: 12px 16px; }
  .topbar nav { justify-content: flex-start; margin-left: -12px; }
  .arch-card { padding: 60px 22px 28px; border-radius: 180px 180px var(--radius) var(--radius); }
  .card { padding: 20px; }
  .mobile-only { display: block; }
  main.wrap { padding-top: 24px; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn { transition: filter .15s, border-color .15s; }
}

/* small utilities (no inline styles, so the CSP can stay strict) */
.card-p { margin: .4em 0 0; color: var(--muted); }
.srv-note { margin-top: 12px; color: var(--muted); }
.mt-18 { margin: 18px 0 0; }
.mt-24 { margin-top: 24px; }

/* member pages: keep the sky, but quieter behind text */
body.member {
  background:
    linear-gradient(rgba(23, 27, 37, .72), rgba(17, 20, 28, .72)),
    radial-gradient(1200px 700px at 50% 38%, rgba(119, 100, 172, .14), transparent 70%),
    url("sky.svg") center 0 / 1600px auto no-repeat,
    linear-gradient(180deg, var(--obsidian) 0%, var(--obsidian-2) 100%);
}

/* final branding images */
.topbar .brand img { width: 32px; height: 32px; border-radius: 7px; }
.topbar .brand img.brand-wm { width: auto; height: 46px; margin: -6px 0; border-radius: 0; }
.wm-title { margin: 0 auto 8px; }
.wm-title img { display: block; width: 100%; max-width: 360px; height: auto; margin: 0 auto; filter: drop-shadow(0 6px 18px rgba(0,0,0,.45)); }
.arch-card { padding-top: 84px; }
@media (max-width: 640px) { .arch-card { padding-top: 64px; } }

/* ChatGPT art (sources in art-src/) */
body.entry-page {
  background-color: var(--obsidian-2);
  background-image:
    radial-gradient(ellipse 60% 70% at 50% 50%, rgba(17, 20, 28, .55), rgba(17, 20, 28, .15) 70%),
    linear-gradient(180deg, rgba(17, 20, 28, .35), rgba(17, 20, 28, .75)),
    url("bg-signin.jpg");
  background-image:
    radial-gradient(ellipse 60% 70% at 50% 50%, rgba(17, 20, 28, .55), rgba(17, 20, 28, .15) 70%),
    linear-gradient(180deg, rgba(17, 20, 28, .35), rgba(17, 20, 28, .75)),
    image-set(url("bg-signin.webp") type("image/webp"), url("bg-signin.jpg") type("image/jpeg"));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
@media (max-aspect-ratio: 3/4) {
  body.entry-page {
    background-image:
      linear-gradient(180deg, rgba(17, 20, 28, .25), rgba(17, 20, 28, .7)),
      url("bg-signin-phone.jpg");
    background-image:
      linear-gradient(180deg, rgba(17, 20, 28, .25), rgba(17, 20, 28, .7)),
      image-set(url("bg-signin-phone.webp") type("image/webp"), url("bg-signin-phone.jpg") type("image/jpeg"));
  }
}
.entry-page .arch-card { background: linear-gradient(180deg, rgba(30, 36, 48, .86), rgba(17, 20, 28, .92)); backdrop-filter: blur(6px); }

.banner {
  height: clamp(120px, 22vw, 260px); margin-bottom: 24px; border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background-color: var(--obsidian);
  background-image: linear-gradient(180deg, transparent 55%, rgba(17, 20, 28, .65)), url("../assets/hero.jpg");
  background-image: linear-gradient(180deg, transparent 55%, rgba(17, 20, 28, .65)), image-set(url("../assets/hero.webp") type("image/webp"), url("../assets/hero.jpg") type("image/jpeg"));
  background-size: cover; background-position: 30% 40%;
}
.ic { display: block; width: 48px; height: 48px; margin-bottom: 10px; }
.with-ic { display: flex; align-items: center; gap: 12px; }
.with-ic .ic { width: 40px; height: 40px; margin: 0; }

/* Custom recipes */
.recipe-group { margin-top: 36px; }
.recipes { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; margin-top: 16px; }
.recipe-head { display: flex; gap: 16px; align-items: center; margin-bottom: 18px; }
.recipe-head h3 { margin: 0; }
.machine { margin: 2px 0 0; color: var(--gold); font-size: .85rem; letter-spacing: .04em; }
.flow { display: flex; align-items: center; gap: 10px; flex-wrap: nowrap; margin-bottom: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 48px); gap: 4px; }
.inputs { display: flex; align-items: center; gap: 6px; }
.plus, .arrow { color: var(--muted); font-size: 1.2rem; }
.arrow { color: var(--gold-bright); font-size: 1.5rem; }
.item {
  position: relative; display: grid; place-items: center; width: 48px; height: 48px;
  background: var(--obsidian-2); border: 1px solid var(--line-soft); border-radius: 8px;
  color: var(--starlight); font: 600 .8rem var(--sans);
}
.item.big { width: 72px; height: 72px; border-color: var(--line); font-size: 1rem; }
.item.empty { opacity: .45; }
.item img { display: block; }
.item .qty { position: absolute; right: 3px; bottom: 1px; font-size: .68rem; color: var(--ivory); text-shadow: 0 1px 2px #000; }
.needs { margin: 0 0 10px; padding-left: 18px; color: var(--ivory); font-size: .92rem; }
.why { margin: 0; color: var(--muted); font-size: .92rem; border-left: 2px solid var(--amethyst); padding-left: 12px; }
@media (max-width: 420px) { .recipes { grid-template-columns: 1fr; } .recipes .item:not(.big) { width: 42px; height: 42px; } .grid3 { grid-template-columns: repeat(3, 42px); } }