/* --- Accessibility Toolbar Styles --- IRES-13397 */
.a11y-toolbar {
    --a11y-bg: var(--tts-bg, #f8f9fa);
    --a11y-color: var(--tts-color, #212529);
    --a11y-hover-bg: var(--tts-hover-bg, #e9ecef);
    --a11y-border: #dee2e6;
    --a11y-active-bg: #0d6efd;
    --a11y-active-color: #fff;
    --a11y-radius: var(--tts-border-radius, 4px);
    font-family: inherit;
    font-size: 14px;
    z-index: 1030;
}

.a11y-toolbar--topbar {
    background: var(--a11y-bg);
    border-bottom: 1px solid var(--a11y-border);
    padding: 4px 16px;
}

.a11y-toolbar--floating {
    position: fixed;
    top: 8px;
    right: 8px;
    background: var(--a11y-bg);
    border: 1px solid var(--a11y-border);
    border-radius: var(--a11y-radius);
    padding: 4px 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.a11y-toolbar__inner {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
}

.a11y-toolbar__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid transparent;
    border-radius: var(--a11y-radius);
    background: transparent;
    color: var(--a11y-color);
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
    transition: background-color 0.15s, color 0.15s;
    white-space: nowrap;
}

.a11y-toolbar__btn:hover,
.a11y-toolbar__btn:focus-visible {
    background: var(--a11y-hover-bg);
    outline: 2px solid var(--a11y-active-bg);
    outline-offset: -2px;
}

.a11y-toolbar__btn[aria-pressed="true"] {
    background: var(--a11y-active-bg);
    color: var(--a11y-active-color);
}

.a11y-toolbar__icon {
    flex-shrink: 0;
}

.a11y-toolbar__label {
    pointer-events: none;
}

.a11y-hidden {
    display: none;
}

/* Separator between toolbar items */
.a11y-toolbar__btn + .a11y-toolbar__btn,
.a11y-toolbar__btn + #a11y-tts-container,
#a11y-tts-container + .a11y-toolbar__btn {
    margin-left: 2px;
    padding-left: 10px;
    border-left: 1px solid var(--a11y-border);
}

/* --- High Contrast Mode --- */
body.a11y-high-contrast {
    filter: contrast(1.4);
}

/* Compensate toolbar so it keeps its normal appearance (1/1.4 = 0.714) */
body.a11y-high-contrast .a11y-toolbar {
    filter: contrast(0.714);
}

body.a11y-high-contrast img,
body.a11y-high-contrast video,
body.a11y-high-contrast svg:not(.a11y-toolbar__icon),
body.a11y-high-contrast iframe {
    filter: contrast(0.72);
}

/* --- Large Text Mode --- */
body.a11y-large-text {
    font-size: 120% !important;
}

body.a11y-large-text .a11y-toolbar {
    font-size: 14px !important;
}

/* --- Responsive: hide labels on small screens --- */
@media (max-width: 576px) {
    .a11y-toolbar__label {
        display: none;
    }
    .a11y-toolbar__btn {
        padding: 8px;
    }
    .a11y-toolbar--topbar {
        padding: 4px 8px;
    }
}