/* Language picker, added to every page by assets/i18n.js.
   Each page's stylesheet sets the colours through the --ls-* variables below. */
.lang-switch {
  --ls-bg: #fff;
  --ls-fg: #171717;
  --ls-icon: currentColor;
  --ls-border: rgba(0, 0, 0, .08);
  --ls-shadow: 0 6px 20px rgba(0, 0, 0, .12);
  --ls-blur: none;
  --ls-menu-bg: #fff;
  --ls-menu-fg: #171717;
  --ls-muted: #8a8a92;
  --ls-hover: #f4f4f6;
  --ls-accent: #171717;
  --ls-current-bg: #f4f4f6;
  --ls-font: inherit;
  --ls-ring: #171717;
  --ls-menu-shadow: 0 24px 60px -12px rgba(0, 0, 0, .28), 0 4px 14px rgba(0, 0, 0, .06);

  position: absolute; top: 14px; inset-inline-end: 14px; z-index: 60;
  font-family: var(--ls-font);
}

.lang-btn {
  display: flex; align-items: center; gap: 8px;
  height: 40px; padding-inline: 12px 10px;
  border: 1px solid var(--ls-border); border-radius: 999px;
  background: var(--ls-bg); color: var(--ls-fg);
  box-shadow: var(--ls-shadow);
  -webkit-backdrop-filter: var(--ls-blur); backdrop-filter: var(--ls-blur);
  font: 600 14px/1 var(--ls-font);
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.lang-btn:hover { transform: translateY(-1px); }
.lang-btn:focus-visible { outline: 2px solid var(--ls-ring); outline-offset: 3px; }
.lang-btn svg { width: 17px; height: 17px; flex: none; color: var(--ls-icon); }
.lang-btn svg:last-child { width: 14px; height: 14px; opacity: .7; transition: transform .2s ease; }
.lang-switch.open .lang-btn svg:last-child { transform: rotate(180deg); }

.lang-menu {
  position: absolute; top: calc(100% + 10px); inset-inline-end: 0;
  width: 220px; padding: 6px;
  background: var(--ls-menu-bg); color: var(--ls-menu-fg);
  border: 1px solid var(--ls-border); border-radius: 18px;
  box-shadow: var(--ls-menu-shadow);
  transform-origin: top right;
  opacity: 0; visibility: hidden; transform: translateY(-8px) scale(.96);
  transition: opacity .18s ease, transform .18s cubic-bezier(.2, .8, .3, 1), visibility 0s linear .18s;
}
[dir="rtl"] .lang-menu { transform-origin: top left; }
.lang-switch.open .lang-menu {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity .18s ease, transform .18s cubic-bezier(.2, .8, .3, 1), visibility 0s;
}
.lang-menu-title {
  margin: 0; padding: 10px 12px 6px;
  font: 600 12px/1 var(--ls-font); letter-spacing: .08em; text-transform: uppercase;
  color: var(--ls-muted);
}
.lang-menu ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 2px; }

.lang-menu a {
  display: grid; grid-template-columns: 1fr 18px; align-items: center; gap: 10px;
  min-height: 52px; padding: 8px 12px; border-radius: 12px;
  color: inherit; text-decoration: none;
  transition: background .12s ease;
}
.lang-menu a:hover { background: var(--ls-hover); }
.lang-menu a:focus-visible { outline: 2px solid var(--ls-ring); outline-offset: -2px; }

.lang-text { display: grid; gap: 3px; min-width: 0; }
.lang-name { justify-self: start; font: 600 15px/1.2 var(--ls-font); }
.lang-sub { justify-self: start; font: 400 12.5px/1.2 var(--ls-font); color: var(--ls-muted); }

.lang-menu a svg { width: 18px; height: 18px; color: var(--ls-accent); opacity: 0; transform: scale(.6); transition: opacity .15s ease, transform .15s ease; }
.lang-menu a[aria-current] { background: var(--ls-current-bg); }
.lang-menu a[aria-current] .lang-name { color: var(--ls-accent); font-weight: 700; }
.lang-menu a[aria-current] svg { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .lang-btn, .lang-menu, .lang-btn svg:last-child, .lang-menu a, .lang-menu a svg { transition: none; }
}