/**
 * Estilos de Accesibilidad
 * Cumplimiento Red.es - WCAG 2.1 AA
 */

/* ============================================
   9.1.4.3 - CONTRASTE MEJORADO
   ============================================ */

a {
    color: #0056b3;
    text-decoration: underline;
}

a:hover,
a:focus {
    color: #003d82;
    text-decoration: underline;
}

/* ============================================
   SKIP LINKS
   ============================================ */

.skip-link {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
}

.skip-link:focus {
    position: fixed;
    left: 10px;
    top: 10px;
    width: auto;
    height: auto;
    overflow: visible;
}

/* ============================================
   FOCUS VISIBLE
   ============================================ */

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid #0056b3;
    outline-offset: 2px;
}

/* ============================================
   FORMULARIOS
   ============================================ */

label {
    color: #212529;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: inline-block;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
select,
textarea {
    border: 2px solid #ced4da;
    color: #212529;
}

input:focus,
select:focus,
textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.15);
}

/* ============================================
   BOTONES
   ============================================ */

.btn-primary {
    background-color: #0056b3;
    border-color: #0056b3;
    color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #003d82;
    border-color: #003d82;
}

/* ============================================
   SR-ONLY
   ============================================ */

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

/* ============================================
   MODO ALTO CONTRASTE
   ============================================ */

body.high-contrast-mode {
    filter: contrast(1.5);
}

body.high-contrast-mode a {
    text-decoration: underline;
    font-weight: 600;
}