:root {
  color-scheme: light dark;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
}

a { text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(127,127,127,0.35);
}

.site-nav { font-size: 14px; opacity: 0.9; }

main { padding: 24px 16px 48px; }

.reading {
  max-width: 78ch;
  margin: 0 auto;
}

.reading h1 {
  line-height: 1.2;
  margin: 0 0 10px;
}

.reading p { margin: 0 0 12px; }

.edition-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(127,127,127,0.35);
  font-size: 14px;
}

.badge {
  padding: 2px 8px;
  border: 1px solid rgba(127,127,127,0.45);
  border-radius: 999px;
}

/* Toggle niveaux */
.level-toggle { display: inline-flex; gap: 6px; }
.lvl-btn {
  border: 1px solid rgba(127,127,127,0.55);
  background: transparent;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
}
.lvl-btn[aria-pressed="true"] {
  border-color: rgba(127,127,127,0.9);
  font-weight: 650;
}

/* Règles niveaux : sans JS => rien masqué */
body[data-reading-level="1"] .level-2,
body[data-reading-level="1"] .level-3 { display: none; }

body[data-reading-level="2"] .level-3 { display: none; }

/* Citabilité paragraphe */
.reading p[id] {
  position: relative;
  padding-right: 7.5rem;
}

.para-tools {
  position: absolute;
  right: 0;
  top: 0;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  opacity: 0;
  transition: opacity 120ms ease-in-out;
}

.reading p[id]:hover .para-tools,
.reading p[id]:focus-within .para-tools {
  opacity: 1;
}

.para-anchor {
  font-size: 12px;
  border: 1px solid rgba(127,127,127,0.45);
  border-radius: 999px;
  padding: 2px 8px;
}

.para-cite {
  font-size: 12px;
  border: 1px solid rgba(127,127,127,0.45);
  border-radius: 999px;
  padding: 2px 8px;
  background: transparent;
  cursor: pointer;
}

.build-stamp {
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid rgba(127,127,127,0.25);
  opacity: 0.85;
}

.para-propose {
  font-size: 12px;
  border: 1px solid rgba(127,127,127,0.45);
  border-radius: 999px;
  padding: 2px 8px;
}