/* Menu des langues et bouton de thème, communs à toutes les pages du site.
   Les couleurs viennent des jetons de thème (tool/site/theme_tokens.py). */
.cf-controls { display: inline-flex; align-items: center; gap: 4px; margin-right: 4px; }
/* :is(#landing, body) donne à ces règles le poids d'un id : elles passent
   devant celles de la FAQ de l'accueil (#landing details / summary). */
:is(#landing, body) details.cf-lang { position: relative; border: 0; border-radius: 0; background: none; }
:is(#landing, body) .cf-lang > summary { display: inline-flex; align-items: center; gap: 4px; min-height: 30px; padding: 3px 9px; border: 1px solid rgb(var(--ink) / .14); border-radius: 6px; color: var(--text); font: 600 11px/1.5 "Inter", system-ui, sans-serif; letter-spacing: .02em; list-style: none; cursor: pointer; user-select: none; }
:is(#landing, body) .cf-lang > summary::-webkit-details-marker { display: none; }
:is(#landing, body) .cf-lang > summary::after, :is(#landing, body) .cf-lang[open] > summary::after { content: ""; float: none; color: inherit; width: 6px; height: 6px; margin: -3px 0 0 3px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); opacity: .7; }
:is(#landing, body) .cf-lang > summary:hover, :is(#landing, body) .cf-lang[open] > summary { background: rgb(var(--ink) / .06); }
.cf-lang-menu { position: absolute; top: calc(100% + 6px); right: 0; z-index: 200; display: grid; min-width: 160px; padding: 5px; border: 1px solid rgb(var(--ink) / .12); border-radius: 10px; background: var(--card); box-shadow: 0 16px 40px rgb(0 0 0 / calc(.45 * var(--shadow-k))); }
.cf-lang-menu a, .cf-lang-menu button { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 7px 10px; border: 0; border-radius: 6px; background: transparent; color: var(--text-2); font: 500 13px/1.4 "Inter", system-ui, sans-serif; text-align: left; text-decoration: none; cursor: pointer; }
.cf-lang-menu small { color: var(--dim); font-size: 11px; font-weight: 600; }
.cf-lang-menu a:hover, .cf-lang-menu button:hover { background: rgb(var(--ink) / .06); color: var(--text); }
.cf-lang-menu [aria-current="page"], .cf-lang-menu [aria-pressed="true"] { background: rgb(var(--primary-rgb) / .12); color: var(--text); }
.cf-theme { display: grid; place-items: center; width: 30px; height: 30px; padding: 0; border: 1px solid rgb(var(--ink) / .14); border-radius: 6px; background: transparent; color: var(--text); cursor: pointer; }
.cf-theme:hover { background: rgb(var(--ink) / .06); }
.cf-theme svg { width: 15px; height: 15px; }
.cf-theme .cf-sun { display: none; }
:root[data-theme-effective="dark"] .cf-theme .cf-sun { display: block; }
:root[data-theme-effective="dark"] .cf-theme .cf-moon { display: none; }

/* Transition entre les pages du site (navigateurs qui gèrent les View
   Transitions entre documents ; ailleurs, la navigation reste instantanée).
   L'en-tête reste en place pendant que le contenu de l'ancienne page
   s'efface vers le haut et que le nouveau monte : on voit qu'on a changé de
   page, même quand l'accueil et une page d'ouverture se ressemblent. */
@view-transition { navigation: auto; }
.lp-header, header.site-header, .cfg-root > header { view-transition-name: cf-header; }
::view-transition-group(cf-header) { animation-duration: 0s; }
::view-transition-old(root) { animation: cf-page-out .2s cubic-bezier(.4, 0, 1, 1) both; }
::view-transition-new(root) { animation: cf-page-in .42s cubic-bezier(.16, 1, .3, 1) .06s both; }
@keyframes cf-page-out { to { opacity: 0; transform: translateY(-14px) scale(.985); } }
@keyframes cf-page-in { from { opacity: 0; transform: translateY(28px); } }
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}