/*
 * Shared accessibility helpers for AirAdmin.
 * Keep this file framework-agnostic so legacy PHP pages and ThinkPHP views can
 * use the same keyboard and screen-reader affordances during gradual migration.
 */
.skip-link {
    position: fixed;
    top: var(--ui-space-3, 12px);
    left: var(--ui-space-3, 12px);
    z-index: 100000;
    padding: var(--ui-space-2, 8px) var(--ui-space-4, 16px);
    border-radius: var(--ui-radius-sm, 10px);
    color: var(--ui-color-text-inverse, #fff);
    background: var(--ui-color-primary, #1d5fd0);
    font-family: var(--ui-font-sans, sans-serif);
    font-size: var(--ui-font-size-sm, 14px);
    font-weight: 700;
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform 0.16s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
    outline: 3px solid var(--ui-color-primary-soft, rgba(29, 95, 208, 0.24));
    outline-offset: 2px;
    transform: translateY(0);
}

.sr-only {
    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;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid var(--ui-color-primary-soft, rgba(29, 95, 208, 0.24));
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}