/* Preferencias de accesibilidad: controles persistentes y reversibles. */
.accessibility-preferences-overlay {
    padding: 1rem;
}

.accessibility-preferences-dialog {
    width: min(100%, 34rem);
    max-height: min(90vh, 42rem);
    overflow: auto;
    border: 1px solid rgba(148, 163, 184, .28);
}

.accessibility-preferences-header,
.accessibility-preferences-footer {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.35rem 1.5rem;
}

.accessibility-preferences-header {
    border-bottom: 1px solid var(--color-border, #e2e8f0);
}

.accessibility-preferences-header h3 {
    margin: .25rem 0 .45rem;
    color: var(--color-primary, #14213d);
    font-size: 1.25rem;
    line-height: 1.25;
}

.accessibility-preferences-header h3 i {
    color: var(--color-accent, #2563eb);
    margin-right: .4rem;
}

.accessibility-preferences-header p {
    margin: 0;
    color: var(--color-text-muted, #64748b);
    font-size: .9rem;
    line-height: 1.45;
}

.accessibility-preferences-kicker {
    color: var(--color-accent, #2563eb);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.accessibility-preferences-body {
    display: grid;
    gap: .75rem;
    padding: 1.25rem 1.5rem;
}

.accessibility-preference-row,
.accessibility-preference-field {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .9rem 1rem;
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: .85rem;
    background: var(--color-bg-elevated, #f8fafc);
}

.accessibility-preference-field {
    align-items: flex-start;
}

.accessibility-preference-row label:not(.accessibility-switch),
.accessibility-preference-field label {
    display: block;
    color: var(--color-primary, #14213d);
    font-size: .95rem;
    font-weight: 800;
}

.accessibility-preference-row small,
.accessibility-preference-field small {
    display: block;
    margin-top: .25rem;
    color: var(--color-text-muted, #64748b);
    font-size: .78rem;
    line-height: 1.4;
}

.accessibility-preference-field select {
    min-width: 8.5rem;
    min-height: 2.6rem;
    padding: .45rem .65rem;
    border: 1px solid var(--color-border, #cbd5e1);
    border-radius: .55rem;
    background: var(--color-surface, #fff);
    color: var(--color-primary, #14213d);
    font-weight: 700;
}

.accessibility-switch {
    position: relative;
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    width: 3rem;
    height: 1.75rem;
    cursor: pointer;
}

.accessibility-switch input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.accessibility-switch span {
    width: 100%;
    height: 100%;
    border-radius: 999px;
    background: #cbd5e1;
    transition: background .2s ease;
}

.accessibility-switch span::after {
    display: block;
    width: 1.25rem;
    height: 1.25rem;
    margin: .25rem;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(15, 23, 42, .25);
    content: '';
    transition: transform .2s ease;
}

.accessibility-switch input:checked + span {
    background: var(--color-accent, #2563eb);
}

.accessibility-switch input:checked + span::after {
    transform: translateX(1.25rem);
}

.accessibility-switch input:focus-visible + span {
    outline: 3px solid rgba(37, 99, 235, .45);
    outline-offset: 3px;
}

.accessibility-preferences-footer {
    align-items: center;
    border-top: 1px solid var(--color-border, #e2e8f0);
}

body.a11y-text-large {
    font-size: 112.5%;
}

body.a11y-text-xlarge {
    font-size: 125%;
}

body.a11y-high-contrast {
    --color-primary: #000;
    --color-text-primary: #000;
    --color-text-muted: #172033;
    --color-border: #111827;
}

body.a11y-high-contrast button,
body.a11y-high-contrast a,
body.a11y-high-contrast input,
body.a11y-high-contrast select,
body.a11y-high-contrast textarea {
    outline-color: #000;
}

body.a11y-high-contrast .sidebar-item,
body.a11y-high-contrast .sidebar-group-toggle,
body.a11y-high-contrast .accessibility-preference-row,
body.a11y-high-contrast .accessibility-preference-field {
    border-color: #111827;
}

body.a11y-focus-highlight :focus-visible {
    outline: 3px solid #f59e0b !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 2px #fff !important;
}

body.a11y-reduced-motion *,
body.a11y-reduced-motion *::before,
body.a11y-reduced-motion *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
}

@media (max-width: 640px) {
    .accessibility-preferences-header,
    .accessibility-preferences-body,
    .accessibility-preferences-footer {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .accessibility-preference-field {
        flex-direction: column;
    }

    .accessibility-preference-field select {
        width: 100%;
    }
}