html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

    body.admin-body {
        min-width: 100%;
        min-height: 100%;
        display: flex;
        flex-direction: column;
    }

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html, body {
    height: 100%;
    background: linear-gradient(180deg, #6a11cb 0%, #2575fc 100%);
    
}

:root {
    --header-h: 64px;
}

/* altura da barra */
.site-header {
    position: fixed; /* fixa no topo */
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0,0,0,.06);
    box-shadow: 0 8px 18px rgba(0,0,0,.06);
    z-index: 1100; /* acima do conteúdo */
}

/* centraliza o conteúdo da barra e do resto da página */
.layout {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 16px;
}

/* empurra todo o conteúdo para baixo da barra fixa */
body {
    padding-top: var(--header-h);
}

.brand-strong {
    font-weight: 800;
    letter-spacing: .2px;
}

.nav-link {
    font-weight: 600;
}

    .nav-link.active {
        color: #6b33dd !important;
    }

/* ====== Espaçamento padrão do main ====== */
main.page {
    padding-top: 16px;
    padding-bottom: 24px;
}

/* ====== Rodapé simples ====== */
footer.site-footer {
    border-top: 1px solid rgba(0,0,0,.06);
    color: #6b7280;
    font-size: .95rem;
}

/* Em páginas que usam blocos de largura total (ex.: Home),
   o próprio conteúdo define largura/container inte