.language-switch{display:flex;align-items:center;gap:6px;background:none;border:0;color:var(--m30-muted);padding:4px 0;font-size:.66rem;font-weight:700;white-space:nowrap;flex-shrink:0}
.language-track{display:block;position:relative;width:44px;height:25px;border-radius:20px;border:1px solid var(--switch-border);background:var(--switch-track)}
.language-knob{position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:var(--switch-knob);box-shadow:0 1px 5px #0004;transition:transform .2s}
.language-switch[aria-checked="true"] .language-knob{transform:translateX(19px)}
.language-switch[aria-checked="false"] .lang-pt,.language-switch[aria-checked="true"] .lang-en{color:var(--m30-text)}
.language-switch:focus-visible{outline:2px solid var(--m30-cyan);outline-offset:5px;border-radius:5px}
.language-status{position:fixed;bottom:18px;right:18px;z-index:1100;padding:12px 18px;border:1px solid var(--m30-border);border-radius:10px;max-width:min(430px,90vw);background:var(--m30-card);color:var(--m30-text);font-size:.85rem;box-shadow:0 5px 20px #0003}
.translation-tools{position:fixed;bottom:8px;left:8px;z-index:1200;font-size:12px}
.document-language{color:var(--m30-muted);font-size:.78rem;margin:0 0 12px}
/* A largura das ferramentas é fixa nas duas línguas; menu muda de linha antes de apertar. */
@media(max-width:1599px){.navbar-m30 .container{flex-wrap:wrap}.navbar-m30 .abas{order:3;width:100%;justify-content:center;margin:0}.navbar-m30 .nav-tools{margin-left:auto}.portal-main{padding-top:145px}.thanks-main{padding-top:155px}}
@media(max-width:767px){.navbar-m30 .abas{justify-content:flex-start}.navbar-m30 .container{gap:8px}.navbar-m30 .nav-tools{gap:9px}.brand-area{gap:3px}.brand-area .brand-logo{font-size:1.05rem}.language-switch{gap:4px;font-size:.6rem}.language-track{width:38px}.language-switch[aria-checked="true"] .language-knob{transform:translateX(13px)}.portal-main{padding-top:175px}.thanks-main{padding-top:130px}.desafio-card{scroll-margin-top:185px}}
@media(prefers-reduced-motion:reduce){.language-knob{transition:none}}
/* No celular, marca/identidade, ferramentas e navegação ocupam três linhas previsíveis. */
@media(max-width:767px){
 .navbar-m30 .brand-area{flex-direction:row;align-items:center;justify-content:space-between;width:100%;gap:8px}
 .navbar-m30 .brand-area .brand-logo,html[data-palette="glina"] .navbar-m30 .brand-area .brand-logo{font-size:1.05rem}
 .navbar-m30 .abas{scrollbar-width:thin;scrollbar-color:var(--m30-border) transparent}
 .portal-main{padding-top:190px}
 .thanks-main{padding-top:155px}
 .desafio-card{scroll-margin-top:200px}
}

/* Somente bandeiras, maiores, sem abreviações PT/EN. */
.language-switch :is(.lang-pt,.lang-en){font-size:1.25rem;line-height:1.2;opacity:.65}
.language-switch[aria-checked="false"] .lang-pt,.language-switch[aria-checked="true"] .lang-en{opacity:1}