/* ===========================================================================
   MUGA docs design system (rules.muga.app)
   Shared by privacy-page.html, transparency.html, faq.html.
   Mirrors the muga.app landing design language: dark, purple accent, mono
   labels, panel cards. Dark-only by design, matching the landing.
   =========================================================================== */

:root {
  --bg: #0E0C13;
  --bg-2: #110E17;
  --panel: #14111B;
  --panel-2: #1A1622;
  --ink: #F2EFF7;
  --ink-2: #A9A2B8;
  --ink-3: #756D86;
  --rule: #2A2536;
  --rule-2: #332C42;
  --rule-soft: #221D2D;
  --accent: #6A2BCF;
  --accent-hi: #7B3FE0;
  --accent-ink: #A883F0;
  --accent-soft: #C9B2F5;
  --good: #4CC38A;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --docw: 760px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg); color: var(--ink-2);
  font-size: 15.5px; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 3px; border-radius: 4px; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--docw); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent-soft); text-underline-offset: 3px; text-decoration: none; }
a:hover { color: #E4D8FA; text-decoration: underline; }

/* ---------- header ---------- */
header.top { padding: 24px 0; border-bottom: 1px solid var(--rule-soft); }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.brand:hover { text-decoration: none; color: var(--ink); }
.brand-mark { color: var(--accent-ink); flex: none; }
.brand .name { font-family: var(--mono); font-size: 13.5px; letter-spacing: .02em; }
.nav-links { display: flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 12.5px; }
.nav-links a { color: var(--ink-2); text-decoration: none; padding: 7px 11px; border-radius: 8px; }
.nav-links a:hover { color: var(--ink); background: var(--panel-2); text-decoration: none; }
.nav-links a.gh { color: var(--ink); border: 1px solid var(--rule); padding: 7px 13px; }
.nav-links a.gh:hover { border-color: var(--accent); color: #E4D8FA; background: transparent; }
@media (max-width: 560px) {
  .nav-links a:not(.gh) { display: none; }
}

/* ---------- doc body ---------- */
main.doc { padding: 48px 0 24px; }

h1 {
  color: var(--ink); font-weight: 700;
  font-size: clamp(30px, 5vw, 40px); letter-spacing: -.02em; line-height: 1.1;
  margin: 0 0 10px; text-wrap: balance;
}
.meta {
  font-family: var(--mono); font-size: 12.5px; color: var(--ink-3);
  margin: 0 0 40px; line-height: 1.6;
}
.meta a { color: var(--ink-2); }

h2 {
  color: var(--ink); font-weight: 700;
  font-size: clamp(20px, 2.6vw, 25px); letter-spacing: -.01em; line-height: 1.2;
  margin: 48px 0 14px; padding-top: 26px; border-top: 1px solid var(--rule-soft);
  text-wrap: balance;
}
h2:first-of-type { border-top: 0; padding-top: 0; }
h3 {
  color: var(--ink); font-weight: 600;
  font-size: 16.5px; line-height: 1.4; margin: 28px 0 10px;
}

p { margin: 0 0 15px; color: var(--ink-2); text-wrap: pretty; }
strong, b { color: var(--ink); font-weight: 600; }
em { color: var(--ink); font-style: italic; }

ul, ol { margin: 12px 0 18px; padding-left: 22px; color: var(--ink-2); }
li { margin-bottom: 8px; }
li::marker { color: var(--accent-ink); }

code {
  font-family: var(--mono); font-size: 0.86em; color: var(--accent-soft);
  background: var(--panel-2); padding: 1.5px 6px; border-radius: 5px;
  border: 1px solid var(--rule-soft); word-break: break-word;
}
pre {
  background: var(--panel); border: 1px solid var(--rule);
  border-radius: 12px; padding: 16px 18px; margin: 16px 0;
  overflow-x: auto; line-height: 1.55;
}
pre code {
  background: none; border: 0; padding: 0; color: var(--ink);
  font-size: 12.5px; white-space: pre; word-break: normal;
}
pre::-webkit-scrollbar { height: 8px; }
pre::-webkit-scrollbar-thumb { background: var(--rule-2); border-radius: 999px; }

hr { border: none; border-top: 1px solid var(--rule-soft); margin: 44px 0; }

blockquote {
  margin: 16px 0; padding: 2px 0 2px 16px;
  border-left: 3px solid var(--rule-2); color: var(--ink-3);
}

/* ---------- callout / highlight ---------- */
.highlight {
  background: var(--panel); border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0; padding: 16px 18px; margin: 20px 0;
  font-size: 14.5px; color: var(--ink);
}
.highlight strong { color: var(--accent-soft); }

/* ---------- at-a-glance table ---------- */
.at-a-glance {
  border: 1px solid var(--rule); border-radius: 14px;
  overflow: hidden; margin: 22px 0; background: var(--panel);
}
.at-a-glance-row {
  display: flex; align-items: baseline; gap: 14px;
  padding: 14px 18px; border-bottom: 1px solid var(--rule-soft);
}
.at-a-glance-row:last-child { border-bottom: none; }
.at-a-glance-label {
  color: var(--ink-3); font-size: 12.5px; flex: 0 0 210px;
  font-family: var(--mono); letter-spacing: .01em;
}
.at-a-glance-value { color: var(--ink); font-size: 14px; }
.at-a-glance-value em { font-style: italic; color: var(--accent-soft); }
@media (max-width: 560px) {
  .at-a-glance-row { flex-direction: column; gap: 4px; }
  .at-a-glance-label { flex-basis: auto; }
}

.tag-zero {
  display: inline-block; background: rgba(76,195,138,.12); color: var(--good);
  font-family: var(--mono); font-size: 11.5px; font-weight: 600;
  padding: 1px 9px; border-radius: 999px; vertical-align: middle;
  margin-left: 6px; border: 1px solid rgba(76,195,138,.3);
}

/* ---------- permission blocks ---------- */
.permission-block {
  border: 1px solid var(--rule); border-radius: 12px;
  padding: 15px 17px; margin: 12px 0; background: var(--panel);
}
.permission-name {
  font-family: var(--mono); font-weight: 600; color: var(--ink);
  font-size: 13.5px; margin-bottom: 5px;
}
.permission-why { color: var(--ink-2); font-size: 14px; }

/* ---------- footer ---------- */
footer.doc-footer {
  margin-top: 72px; padding: 32px 0 56px;
  border-top: 1px solid var(--rule-soft);
}
.doc-footer .footer-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 14px 24px;
}
.doc-footer .links {
  display: flex; flex-wrap: wrap; gap: 6px 18px;
  font-family: var(--mono); font-size: 12.5px;
}
.doc-footer .links a { color: var(--ink-2); }
.doc-footer .links a:hover { color: var(--ink); }
.doc-footer .colophon {
  font-family: var(--mono); font-size: 12px; color: var(--ink-3); line-height: 1.6;
}

/* in-content report colophon (e.g. transparency.html "last updated" note) */
.footer { color: var(--ink-3); font-size: 13px; margin-top: 8px; }
.footer p { color: var(--ink-3); font-size: 13px; margin: 0; }
.footer a { color: var(--ink-2); }
.footer a:hover { color: var(--ink); }

/* Reduced-motion friendliness is inherent (no motion here). */