/* ================================================================
   i18n — language toggle system
   Include this file + /work/js/i18n.js on any page that needs
   bilingual support. Default language is English.
   ================================================================ */
body:not(.lang-th) [data-lang=th], body.lang-en [data-lang=th] {
  display: none !important;
}
body.lang-th [data-lang=en] {
  display: none !important;
}

#lang-toggle {
  margin-left: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  background: var(--cs-paper, #f4f5fc);
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
  cursor: pointer;
}
#lang-toggle .lang-opt {
  padding: 4px 10px;
  border: none;
  background: transparent;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  cursor: pointer;
  color: var(--cs-muted, #888);
  transition: background 0.15s, color 0.15s;
}
#lang-toggle .lang-opt.active {
  background: var(--cs-accent, #4364e8);
  color: #fff;
  cursor: default;
}