#nav-accessibility-popover-container.fullaccessibility-container {
    position: relative;
}

#nav-accessibility-popover-container .popover-region-container {
    min-width: 320px;
    background-color: #ffffff !important;
    color: #1f2937 !important; /* Cool Gray 800 */
    border: 1px solid #e5e7eb !important; /* Cool Gray 200 */
    border-radius: 12px !important;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05) !important;
    animation: a11yPopoverShow 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
}

@keyframes a11yPopoverShow {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#nav-accessibility-popover-container.fullaccessibility-fallback {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2000;
}

#nav-accessibility-popover-container.fullaccessibility-fallback .popover-region-container {
    position: absolute;
    right: 0;
}

#nav-accessibility-popover-container .fullaccessibility-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Header customization */
#nav-accessibility-popover-container .popover-region-header-container {
    border-bottom: 1px solid #f3f4f6 !important;
    padding: 12px 16px !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#nav-accessibility-popover-container .popover-region-header-text {
    color: #111827 !important; /* Cool Gray 900 */
    font-size: 1rem !important;
    font-weight: 700 !important;
    margin: 0 !important;
}

#nav-accessibility-popover-container .popover-region-header-actions a.mark-all-read-button {
    color: #6b7280 !important; /* Cool Gray 500 */
}

#nav-accessibility-popover-container .popover-region-header-actions a.mark-all-read-button:hover {
    color: #111827 !important;
}

/* Button & interactive element styles */
#nav-accessibility-popover-container .btn {
    font-size: 0.775rem !important;
    font-weight: 500 !important;
    border-radius: 8px !important;
    padding: 0.375rem 0.75rem !important;
    transition: all 0.15s ease-in-out !important;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05) !important;
}

#nav-accessibility-popover-container .btn-outline-secondary {
    color: #374151 !important; /* Cool Gray 700 */
    border-color: #d1d5db !important; /* Cool Gray 300 */
    background-color: #ffffff !important;
}

#nav-accessibility-popover-container .btn-outline-secondary:hover {
    color: #111827 !important;
    border-color: #9ca3af !important;
    background-color: #f9fafb !important;
}

#nav-accessibility-popover-container button.active {
    color: #ffffff !important;
    background-color: #2563eb !important; /* Blue 600 */
    border-color: #2563eb !important;
}

#nav-accessibility-popover-container button.active.btn-outline-danger {
    color: #ffffff !important;
    background-color: #dc3545 !important;
    border-color: #dc3545 !important;
}

body.fullaccessibility-a11y-focus :focus-visible {
    outline: 3px solid #2563eb !important;
    outline-offset: 2px !important;
}

body.fullaccessibility-a11y-underline-links a {
    text-decoration: underline !important;
    text-underline-offset: 2px;
}

body.fullaccessibility-a11y-readable-font {
    font-family: Arial, Helvetica, sans-serif !important;
}

body.fullaccessibility-a11y-reduce-motion *,
body.fullaccessibility-a11y-reduce-motion *::before,
body.fullaccessibility-a11y-reduce-motion *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
}

#nav-accessibility-popover-container .fullaccessibility-content {
    padding: 1rem;
    width: 320px;
    max-width: 85vw;
    box-sizing: border-box;
}

#nav-accessibility-popover-container .fullaccessibility-section-title {
    color: #4b5563 !important; /* Cool Gray 600 */
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    margin-bottom: 0.5rem !important;
    margin-top: 0.75rem !important;
}

#nav-accessibility-popover-container .fullaccessibility-section-title:first-of-type {
    margin-top: 0 !important;
}

#nav-accessibility-popover-container .fullaccessibility-section-wrap {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

#nav-accessibility-popover-container .fullaccessibility-mb-75 {
    margin-bottom: 0.75rem;
}

#nav-accessibility-popover-container .fullaccessibility-mb-50 {
    margin-bottom: 0.5rem;
}

#nav-accessibility-popover-container .fullaccessibility-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    border-top: 1px solid #f3f4f6 !important;
    padding-top: 0.75rem !important;
    margin-top: 0.5rem !important;
}

#nav-accessibility-popover-container .fullaccessibility-transcript {
    width: 100%;
    min-height: 88px;
    resize: vertical;
    font-size: 0.85rem;
    background-color: #f9fafb !important;
    color: #1f2937 !important;
    border: 1px solid #d1d5db !important;
    border-radius: 8px !important;
    padding: 0.5rem !important;
    box-sizing: border-box;
}

/* --- Dark Mode Support --- */
body.dark #nav-accessibility-popover-container .popover-region-container,
body.theme-dark #nav-accessibility-popover-container .popover-region-container,
html[data-theme="dark"] #nav-accessibility-popover-container .popover-region-container {
    background-color: #1f2937 !important; /* Cool Gray 800 */
    color: #f3f4f6 !important;
    border-color: #374151 !important;
}

body.dark #nav-accessibility-popover-container .popover-region-header-container,
body.theme-dark #nav-accessibility-popover-container .popover-region-header-container,
html[data-theme="dark"] #nav-accessibility-popover-container .popover-region-header-container {
    border-bottom-color: #374151 !important;
}

body.dark #nav-accessibility-popover-container .popover-region-header-text,
body.theme-dark #nav-accessibility-popover-container .popover-region-header-text,
html[data-theme="dark"] #nav-accessibility-popover-container .popover-region-header-text {
    color: #ffffff !important;
}

body.dark #nav-accessibility-popover-container .popover-region-header-actions a.mark-all-read-button,
body.theme-dark #nav-accessibility-popover-container .popover-region-header-actions a.mark-all-read-button,
html[data-theme="dark"] #nav-accessibility-popover-container .popover-region-header-actions a.mark-all-read-button {
    color: #9ca3af !important;
}

body.dark #nav-accessibility-popover-container .fullaccessibility-section-title,
body.theme-dark #nav-accessibility-popover-container .fullaccessibility-section-title,
html[data-theme="dark"] #nav-accessibility-popover-container .fullaccessibility-section-title {
    color: #9ca3af !important;
}

body.dark #nav-accessibility-popover-container .btn-outline-secondary,
body.theme-dark #nav-accessibility-popover-container .btn-outline-secondary,
html[data-theme="dark"] #nav-accessibility-popover-container .btn-outline-secondary {
    color: #d1d5db !important;
    border-color: #4b5563 !important;
    background-color: #374151 !important;
}

body.dark #nav-accessibility-popover-container .btn-outline-secondary:hover,
body.theme-dark #nav-accessibility-popover-container .btn-outline-secondary:hover,
html[data-theme="dark"] #nav-accessibility-popover-container .btn-outline-secondary:hover {
    color: #ffffff !important;
    border-color: #9ca3af !important;
    background-color: #4b5563 !important;
}

body.dark #nav-accessibility-popover-container .fullaccessibility-footer,
body.theme-dark #nav-accessibility-popover-container .fullaccessibility-footer,
html[data-theme="dark"] #nav-accessibility-popover-container .fullaccessibility-footer {
    border-top-color: #374151 !important;
}

body.dark #nav-accessibility-popover-container .fullaccessibility-transcript,
body.theme-dark #nav-accessibility-popover-container .fullaccessibility-transcript,
html[data-theme="dark"] #nav-accessibility-popover-container .fullaccessibility-transcript {
    background-color: #111827 !important;
    color: #f3f4f6 !important;
    border-color: #4b5563 !important;
}

/* --- Topbar Alignment & Icon Integration --- */
.rui-icon-menu-accessibility {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

#nav-accessibility-popover-container .popover-region-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    cursor: pointer !important;
    border-radius: 8px !important;
    transition: background-color 0.15s ease-in-out !important;
}

#nav-accessibility-popover-container .popover-region-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05) !important;
}

body.dark #nav-accessibility-popover-container .popover-region-toggle:hover,
body.theme-dark #nav-accessibility-popover-container .popover-region-toggle:hover,
html[data-theme="dark"] #nav-accessibility-popover-container .popover-region-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

#nav-accessibility-popover-container .fullaccessibility-icon {
    width: 20px !important;
    height: 20px !important;
    opacity: 0.85 !important;
    transition: all 0.15s ease-in-out !important;
}

#nav-accessibility-popover-container .popover-region-toggle:hover .fullaccessibility-icon {
    opacity: 1 !important;
}

/* Invert icon color on dark mode to stay visible */
body.dark #nav-accessibility-popover-container .fullaccessibility-icon,
body.theme-dark #nav-accessibility-popover-container .fullaccessibility-icon,
html[data-theme="dark"] #nav-accessibility-popover-container .fullaccessibility-icon {
    filter: invert(1) !important;
}