/**
 * Site-wide accessibility baseline styles (WCAG 2.1 AA focus / motion).
 */

.skip-link {
    position: absolute;
    inset-inline-start: 0.75rem;
    top: 0.75rem;
    z-index: 10000;
    padding: 0.55rem 0.9rem;
    border-radius: 0.35rem;
    background: #111;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transform: translateY(-200%);
    transition: transform 0.15s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
    transform: translateY(0);
    outline: 3px solid #ffd54f;
    outline-offset: 2px;
}

:root {
    --a11y-focus-ring: #1a73e8;
    --a11y-focus-ring-on-dark: #ffd54f;
}

/* Restore visible keyboard focus site-wide (overrides bare outline:none). */
:where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [role="button"],
    [role="tab"],
    [role="menuitem"],
    [role="link"],
    [tabindex]:not([tabindex="-1"])
):focus-visible {
    outline: 3px solid var(--a11y-focus-ring) !important;
    outline-offset: 2px !important;
}

body.dark-theme :where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [role="button"],
    [role="tab"],
    [role="menuitem"],
    [role="link"],
    [tabindex]:not([tabindex="-1"])
):focus-visible,
html[data-theme="dark"] :where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [role="button"],
    [role="tab"],
    [role="menuitem"],
    [role="link"],
    [tabindex]:not([tabindex="-1"])
):focus-visible {
    outline-color: var(--a11y-focus-ring-on-dark) !important;
}

.a11y-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;
}

#a11yBoardAnnounce {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.selectionBox[role="radiogroup"] .selectionOption {
    cursor: pointer;
}

.selectionBox[role="radiogroup"] .selectionOption:focus-visible {
    outline: 3px solid var(--a11y-focus-ring);
    outline-offset: 2px;
}

.chatSendLine .sendButton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
}

.chatSendLine .sendButton img {
    display: block;
    pointer-events: none;
}

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

    .skip-link {
        transition: none;
    }
}