/* ================= SUBPAGE (text pages): bright theme ================= */
/* Relies on home-bright.css for tokens, nav, footer and the background mesh. */

body { min-height: 100vh; display: flex; flex-direction: column; }

/* highlight the nav link for the page we're currently on */
.nav-links a.active { color: #fff; font-weight: 700; position: relative; }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  border-radius: 2px; background: linear-gradient(90deg, var(--teal), var(--blue));
}
@media (max-width: 767px) {
  .nav-links a.active::after { left: 0; right: auto; width: 22px; bottom: 2px; }
}

.subpage { flex: 1 0 auto; width: 100%; max-width: 840px; margin: 0 auto; padding: 64px 24px 96px; }

/* ---- page header ---- */
.page-header { margin-bottom: 40px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.page-header h1 {
  font-size: clamp(32px, 5.2vw, 52px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.06;
}
.page-header h1 em { font-style: normal; font-size: 0.5em; font-weight: 700; color: var(--muted-2); letter-spacing: 0; }
.page-header .lede { margin-top: 18px; color: var(--muted); font-size: clamp(16px, 2vw, 19px); max-width: 660px; }
.page-header .updated { margin-top: 16px; font-size: 13px; color: var(--muted-2); }
.page-header .updated strong { color: var(--teal); font-weight: 700; }

/* ---- prose ---- */
.text-page { color: var(--muted); font-size: 16.5px; line-height: 1.78; }
.text-page h2 { color: #fff; font-size: clamp(21px, 3vw, 27px); font-weight: 800; letter-spacing: -0.02em; margin: 46px 0 14px; }
.text-page h3 { color: var(--blue); font-size: 18px; font-weight: 700; margin: 30px 0 10px; }
.text-page h4 { color: #fff; font-size: 16px; font-weight: 700; margin: 22px 0 8px; letter-spacing: -0.01em; }
.text-page p { margin-bottom: 16px; max-width: 720px; }
.text-page ul { list-style: none; margin: 0 0 20px; padding: 0; display: flex; flex-direction: column; gap: 11px; max-width: 720px; }
.text-page li { position: relative; padding-left: 24px; }
.text-page li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: linear-gradient(160deg, var(--teal), var(--blue)); }
.text-page li > div { padding-left: 4px; color: var(--muted-2); }
.text-page strong { color: #fff; font-weight: 700; }
.text-page em { font-style: normal; color: var(--teal); font-weight: 600; }
.text-page a { color: var(--violet); font-weight: 700; transition: color .18s; }
.text-page a:hover { color: var(--teal); }
.text-page hr { border: 0; border-top: 1px solid var(--line); margin: 38px 0; max-width: 720px; }

/* ================= LEGAL / TERMS: made to actually be read ================= */
.text-page.legal { font-size: 16.5px; line-height: 1.8; }
/* main sections: prominent white heading with a gradient accent bar */
.text-page.legal h3 {
  color: #fff; font-size: 20px; font-weight: 800; letter-spacing: -0.015em;
  margin: 40px 0 14px; padding-left: 15px; position: relative;
  scroll-margin-top: 84px;
}
.text-page.legal h3::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px;
  border-radius: 4px; background: linear-gradient(180deg, var(--teal), var(--blue));
}
/* sub-headings step down to the blue accent */
.text-page.legal h4 { color: var(--blue); font-size: 15px; font-weight: 700; margin: 24px 0 8px; }
/* softer, fading section dividers instead of hard full-width rules */
.text-page.legal hr {
  border: 0; height: 1px; margin: 46px 0; max-width: 720px;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--line) 82%, transparent);
}
.text-page.legal ul { gap: 10px; }
.text-page.legal li { padding-left: 26px; }

/* "On this page" table of contents */
.toc {
  margin: 0 0 10px; padding: 20px 24px; border-radius: 18px;
  background: var(--surface); border: 1px solid var(--line); backdrop-filter: blur(8px);
}
.toc-title {
  font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  margin: 0 0 6px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.toc-note { color: #e7eaff; font-size: 14.5px; font-weight: 600; line-height: 1.55; margin: 0 0 16px; max-width: 560px; }
.toc-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 9px 28px;
}
.toc .toc-list li { padding: 0; margin: 0; position: static; }
.toc .toc-list li::before { content: none; }
.toc-list a { color: var(--muted); font-size: 14.5px; font-weight: 600; transition: color .18s; }
.toc-list a:hover { color: #fff; }
@media (max-width: 560px) { .toc-list { grid-template-columns: 1fr; } }

/* back-to-top button (long pages): hidden until scrolled, tucked in the corner */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  background: linear-gradient(135deg, var(--indigo), var(--blue)); color: #fff;
  font-size: 20px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px -8px rgba(108,92,255,0.7);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .22s, transform .22s, visibility .22s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top.show:hover { transform: translateY(-2px); }
@media (max-width: 560px) { .to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; } }

/* callout note */
.note {
  margin: 22px 0; padding: 18px 22px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(108,92,255,0.16), rgba(25,227,192,0.10));
  border: 1px solid rgba(255,255,255,0.14); color: #e7eaff; font-size: 15px; line-height: 1.6;
  max-width: 720px;
}
.note strong { color: var(--teal); }

.back-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 48px; color: var(--blue); font-weight: 700; }
.back-link:hover { color: var(--teal); }

/* ================= CHANGELOG (What's New) ================= */
.changelog { display: flex; flex-direction: column; gap: 22px; margin-top: 6px; }
.release {
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  padding: 26px 28px; backdrop-filter: blur(8px);
  transition: border-color .2s, transform .2s;
}
.release:hover { border-color: rgba(255,255,255,0.2); transform: translateY(-3px); }
.release-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 4px; }
.release-ver { font-size: 21px; font-weight: 800; letter-spacing: -0.02em; color: #fff; }
.release-pill { font-size: 12px; font-weight: 700; color: #fff; background: linear-gradient(90deg, var(--indigo), var(--blue)); padding: 4px 12px; border-radius: 999px; white-space: nowrap; box-shadow: 0 6px 16px -6px rgba(108,92,255,0.7); }
.release-date { font-size: 13px; color: var(--muted-2); margin-left: auto; }
.change-group { margin-top: 16px; }
.change-tag { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; margin-bottom: 9px; color: #fff; }
.change-tag.new { background: linear-gradient(90deg, var(--teal), var(--blue)); }
.change-tag.improved { background: linear-gradient(90deg, var(--blue), var(--indigo)); }
.change-tag.fixed { background: linear-gradient(90deg, var(--violet), var(--pink)); }
.change-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.change-list li { position: relative; padding-left: 22px; color: var(--muted); font-size: 15px; }
.change-list li::before { content: ""; position: absolute; left: 5px; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: linear-gradient(160deg, var(--teal), var(--blue)); }

@media (max-width: 560px) {
  .subpage { padding: 40px 18px 64px; }
  .page-header { margin-bottom: 30px; padding-bottom: 22px; }
  .text-page { font-size: 16px; }
  .text-page h2 { margin-top: 34px; }
  .release { padding: 22px 20px; }
  .release-head { gap: 10px; }
  .release-date { margin-left: 0; width: 100%; }
  .note { padding: 16px 18px; }
}