/* ── charter.php : Accord Charter (galactic treaty instrument) ── */

html:has(body.charter-page) {
  scroll-padding-top: 72px;
}

body.charter-page {
  --charter-measure: 68ch;
}

.charter-skip {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 400;
  padding: 8px 14px;
  background: var(--card);
  color: var(--gold-hi);
  border: 1px solid rgba(232, 160, 32, 0.45);
  font-family: "Rajdhani", sans-serif;
  font-size: 0.72em;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}
.charter-skip:focus {
  top: 64px;
}

.charter-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 24px 96px;
  align-items: start;
}

.charter-index {
  position: sticky;
  top: 72px;
  padding-top: 8px;
}

.charter-index-label {
  font-family: "Rajdhani", sans-serif;
  font-size: 0.62em;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(232, 160, 32, 0.28);
}

.charter-index-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
}

.charter-index-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--muted);
  text-decoration: none;
  font-family: "Rajdhani", sans-serif;
  font-size: 0.68em;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.35;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.charter-index-list a:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.charter-index-list a.is-active {
  color: var(--gold-hi);
  border-color: rgba(232, 160, 32, 0.38);
  background: rgba(232, 160, 32, 0.07);
}
.charter-index-list a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.charter-index-num {
  flex-shrink: 0;
  min-width: 1.1em;
  font-family: "Cinzel", serif;
  font-size: 0.92em;
  letter-spacing: 0.06em;
  color: var(--gold);
  opacity: 0.85;
}

.charter-instrument {
  min-width: 0;
  position: relative;
}

.charter-mast {
  text-align: center;
  padding: 8px 12px 28px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-purple);
}

.charter-seal {
  width: 52px;
  height: 52px;
  display: block;
  margin: 0 auto 16px;
  filter: drop-shadow(0 0 12px rgba(136, 96, 208, 0.4));
  opacity: 0.85;
}

.charter-doc-title {
  margin: 0 0 8px;
  font-family: "Cinzel", serif;
  font-size: clamp(1.05em, 2.2vw, 1.35em);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver-hi);
  text-wrap: balance;
  line-height: 1.25;
}

.charter-dateline {
  margin: 0;
  font-size: 0.68em;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.charter-distinguish {
  max-width: var(--charter-measure);
  margin: 0 auto 28px;
  padding: 14px 16px;
  border: 1px solid rgba(232, 160, 32, 0.28);
  background: rgba(232, 160, 32, 0.05);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 0.76em;
  line-height: 1.7;
  text-wrap: pretty;
}

.charter-preamble {
  max-width: var(--charter-measure);
  margin: 0 auto 40px;
  padding: 22px 0 0;
}
.charter-preamble p {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 0.88em;
  line-height: 1.85;
  text-wrap: pretty;
}
.charter-preamble p:last-child {
  margin-bottom: 0;
  color: var(--text-dim);
  font-size: 0.8em;
}

.charter-article {
  max-width: 42rem;
  margin: 0 auto 8px;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 84px;
}
.charter-article:last-of-type {
  border-bottom: 1px solid var(--border);
}

.charter-article-head {
  margin-bottom: 14px;
}
.charter-article-num {
  display: block;
  margin: 0 0 6px;
  font-family: "Cinzel", serif;
  font-size: 0.72em;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}
.charter-article-title {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(1.05em, 2vw, 1.35em);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver-hi);
  text-wrap: balance;
  line-height: 1.2;
}

.charter-article-body {
  max-width: var(--charter-measure);
}
.charter-article-body p {
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 0.84em;
  line-height: 1.9;
  text-wrap: pretty;
}
.charter-article-body p:last-child {
  margin-bottom: 0;
}
.charter-article-body strong {
  color: var(--text);
  font-weight: 700;
}
.charter-article-body em {
  color: var(--purple-hi);
  font-style: italic;
}

.charter-article--limit {
  padding: 32px 22px;
  margin-bottom: 16px;
  border: 1px solid rgba(232, 160, 32, 0.38);
  background:
    radial-gradient(ellipse 80% 80% at 50% 0%, rgba(232, 160, 32, 0.08), transparent 70%),
    var(--card);
  border-radius: 4px;
}
.charter-hard-limit {
  margin: 0 0 16px;
  font-family: "Cinzel", serif;
  font-size: clamp(1em, 2.2vw, 1.28em);
  font-style: italic;
  letter-spacing: 0.04em;
  color: var(--gold-hi);
  line-height: 1.45;
  text-wrap: balance;
  text-shadow: 0 0 18px rgba(232, 160, 32, 0.22);
}

.charter-signatories {
  max-width: 42rem;
  margin: 48px auto 0;
  padding-top: 8px;
  scroll-margin-top: 84px;
}
.charter-signatories-title {
  margin: 0 0 10px;
  font-family: "Rajdhani", sans-serif;
  font-size: 0.78em;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--silver-hi);
  text-align: center;
}
.charter-signatories-lead {
  margin: 0 auto 22px;
  max-width: var(--charter-measure);
  text-align: center;
  font-size: 0.74em;
  line-height: 1.7;
  color: var(--text-dim);
  text-wrap: pretty;
}

.charter-roll {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border);
}
.charter-roll li {
  border-bottom: 1px solid var(--border);
}
.charter-roll a {
  display: grid;
  grid-template-columns: minmax(10rem, 0.42fr) 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 14px 4px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease;
}
.charter-roll a:hover {
  background: rgba(136, 96, 208, 0.06);
}
.charter-roll a:focus-visible {
  outline: 2px solid var(--purple-hi);
  outline-offset: 2px;
}
.charter-roll-name {
  font-family: "Cinzel", serif;
  font-size: 0.78em;
  letter-spacing: 0.08em;
  color: var(--purple-hi);
}
.charter-roll-note {
  font-size: 0.72em;
  line-height: 1.55;
  color: var(--text-dim);
}
.charter-roll-more {
  margin: 16px 0 0;
  text-align: center;
  font-family: "Rajdhani", sans-serif;
  font-size: 0.72em;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.charter-roll-more a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 160, 32, 0.35);
}
.charter-roll-more a:hover {
  border-bottom-color: var(--gold-hi);
}

.charter-continue {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  max-width: 42rem;
  margin: 48px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.charter-continue a {
  font-family: "Rajdhani", sans-serif;
  font-size: 0.7em;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple-hi);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid rgba(136, 96, 208, 0.3);
}
.charter-continue a:hover {
  color: var(--text);
  border-bottom-color: var(--purple-hi);
}

body.charter-page .back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 140;
  width: 40px;
  height: 40px;
  background: var(--card);
  border: 1px solid var(--border-purple);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-hi);
  font-size: 0.8em;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
  transform: translateY(8px);
}
body.charter-page .back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
body.charter-page .back-to-top:hover {
  border-color: var(--purple);
  background: rgba(136, 96, 208, 0.1);
}

@media (max-width: 820px) {
  .charter-layout {
    grid-template-columns: 1fr;
    padding: 8px 16px 72px;
    gap: 8px;
  }
  .charter-index {
    position: static;
    padding-bottom: 8px;
  }
  .charter-index-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px;
  }
  .charter-index-list a {
    padding: 5px 8px;
  }
  .charter-roll a {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 12px 2px;
  }
  .charter-article--limit {
    padding: 24px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  body.charter-page .back-to-top {
    transition: opacity 0.15s ease;
    transform: none;
  }
}

@media print {
  body.charter-page {
    background: #fff;
    color: #111;
  }
  .site-nav,
  .charter-index,
  .charter-skip,
  .charter-continue,
  .site-footer,
  .back-to-top {
    display: none !important;
  }
  .charter-layout {
    display: block;
    max-width: none;
    padding: 0;
  }
  .charter-article-body p,
  .charter-preamble p,
  .charter-distinguish,
  .charter-roll-note {
    color: #222;
  }
  .charter-doc-title,
  .charter-article-title,
  .charter-roll-name {
    color: #111;
    text-shadow: none;
  }
}