/* Botão "Voltar" padrão (24/10/2026) — isolado pelo prefixo .mv- */
.mv-back { position: fixed; top: 0; left: 0; right: 0; z-index: 999; margin: 0; display: flex; align-items: center; height: 44px; padding: 0 16px; background: #050814; border-bottom: 1px solid rgba(0, 255, 255, 0.18); box-sizing: border-box; width: 100%; }
.mv-back .mv-back-btn { display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 14px 0 10px; border-radius: 999px; border: 1px solid rgba(0, 255, 255, 0.45); background: rgba(0, 255, 255, 0.06); color: #00ffff; font: 700 14px/1 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif; letter-spacing: 0.01em; text-decoration: none; cursor: pointer; }
.mv-back .mv-back-btn:hover { background: rgba(0, 255, 255, 0.14); color: #fff; }
.mv-back .mv-back-btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.mv-back .mv-back-ico { font-size: 16px; line-height: 1; }
html.mv-has-back { scroll-padding-top: 52px; }
html.mv-has-back body { margin-top: 44px !important; }
.mv-legacy-hidden { display: none !important; }
@media (max-width: 600px) { html.mv-has-back body { margin-top: 40px !important; } .mv-back { height: 40px; padding: 0 12px; } .mv-back .mv-back-btn { height: 28px; font-size: 13px; } }