/* Navegación por Teclado y Accesibilidad */

/* Skip Links */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 9999;
    font-size: 14px;
    font-weight: bold;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
    outline: 2px solid #f59e0b;
    outline-offset: 2px;
}

/* Focus Indicators Mejorados */
*:focus {
    outline: 2px solid #f59e0b;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Focus específico para botones */
button:focus,
.btn:focus,
input[type="button"]:focus,
input[type="submit"]:focus {
    outline: 3px solid #f59e0b;
    outline-offset: 2px;
    box-shadow: 0 0 0 5px rgba(245, 158, 11, 0.2);
}

/* Focus para enlaces */
a:focus {
    outline: 2px solid #f59e0b;
    outline-offset: 2px;
    background-color: rgba(245, 158, 11, 0.1);
    border-radius: 4px;
}

/* Focus para inputs */
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid #f59e0b;
    outline-offset: 2px;
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

/* Focus para elementos interactivos */
[tabindex]:focus,
[role="button"]:focus,
[role="link"]:focus {
    outline: 2px solid #f59e0b;
    outline-offset: 2px;
    background-color: rgba(245, 158, 11, 0.1);
}

/* Mejorar visibilidad de elementos focusables */
.focusable {
    position: relative;
}

.focusable:focus::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid #f59e0b;
    border-radius: 6px;
    pointer-events: none;
}

/* Navegación por teclado para menús */
.nav-menu:focus-within .nav-item {
    display: block;
}

/* Indicadores visuales para elementos interactivos */
[tabindex="0"]:hover,
[tabindex="0"]:focus {
    transform: translateY(-1px);
    transition: transform 0.2s ease;
}

/* Accesibilidad para modales */
.modal:focus {
    outline: none;
}

.modal-content:focus {
    outline: 2px solid #f59e0b;
    outline-offset: 4px;
}

/* Mejorar contraste para elementos focusados */
.high-contrast:focus {
    background-color: #000;
    color: #fff;
    border-color: #f59e0b;
}

/* Animaciones respetan preferencias de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    .skip-link,
    [tabindex="0"],
    *:focus {
        transition: none;
    }
}

/* Estilos para lectores de pantalla */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: 0.5rem;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
    background: #000;
    color: #fff;
    border: 2px solid #f59e0b;
}