/* R4.8K.3 — Accesibilidad compartida del administrador */

.admin-skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 100000;
    max-width: calc(100vw - 1.5rem);
    padding: 0.7rem 1rem;
    border-radius: 0.7rem;
    background: var(--blanco, #ffffff);
    color: var(--admin-principal, var(--principal, #475467));
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.18);
    transform: translateY(calc(-100% - 2rem));
    transition: transform 0.16s ease;
}

.admin-skip-link:focus,
.admin-skip-link:focus-visible {
    transform: translateY(0);
    outline: 3px solid currentColor;
    outline-offset: 3px;
}

.sr-only-admin {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 3px;
}

#contenido-principal:focus {
    outline: none;
}

@media (prefers-reduced-motion: reduce) {
    .admin-skip-link {
        transition: none;
    }
}