/* ============================================================
   Accessibility — Druid Learning Hub
   Skip links, focus indicators, screen reader utilities.
   ============================================================ */

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: #FFF;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    z-index: 9999;
    transition: top var(--transition-fast);
}
.skip-link:focus {
    top: var(--space-2);
    color: #FFF;
}

/* Focus ring */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Screen reader 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: 0;
}