/* Explain: Styles for the floating accessibility button and panel. */
/* ---------- Floating accessibility button ---------- */
.a11y-float {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 60;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-height: 48px;
    min-width: 48px;
    padding: .85rem 1rem;
    border: none;
    border-radius: 999px;
    background: var(--dark-color);
    color: #fff;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 28px rgba(15, 23, 42, .35);
    transition: all .3s ease;
}

.a11y-float:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.a11y-float:focus-visible,
.a11y-close:focus-visible,
.a11y-action:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

.a11y-float i {
    font-size: 1.4rem;
    line-height: 1;
}

.a11y-float-text {
    display: none;
    font-size: .95rem;
}

@media (min-width: 768px) {
    .a11y-float-text {
        display: inline;
    }
}

/* ---------- Accessibility panel ---------- */
.a11y-panel {
    position: fixed;
    bottom: 5.25rem;
    right: 1.25rem;
    z-index: 70;
    width: 320px;
    max-width: calc(100vw - 2.5rem);
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
    padding: 1.25rem;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.a11y-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.a11y-panel-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: 1.15rem;
    font-weight: 800;
}

.a11y-panel-title i {
    color: var(--primary-color);
}

.a11y-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: .75rem;
    background: #fff;
    color: var(--text-color);
    font-size: 1.05rem;
    cursor: pointer;
    transition: all .25s ease;
}

.a11y-close:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.a11y-actions {
    display: grid;
    gap: .6rem;
}

.a11y-action {
    display: flex;
    align-items: center;
    gap: .75rem;
    width: 100%;
    min-height: 48px;
    padding: .8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: .85rem;
    background: #fff;
    color: var(--text-color);
    font-family: inherit;
    font-size: .95rem;
    font-weight: 600;
    text-align: start;
    cursor: pointer;
    transition: all .25s ease;
}

.a11y-action:hover {
    border-color: var(--primary-color);
    background: var(--primary-soft);
}

.a11y-action i {
    width: 1.15rem;
    text-align: center;
    color: var(--primary-color);
}

.a11y-action[aria-pressed="true"] {
    border-color: var(--primary-color);
    background: var(--primary-soft);
    color: var(--primary-hover);
}

/* ---------- Accessibility modes (content only) ---------- */
html.a11y-grayscale header,
html.a11y-grayscale main,
html.a11y-grayscale footer {
    filter: grayscale(1);
}

html.a11y-contrast header,
html.a11y-contrast main,
html.a11y-contrast footer {
    filter: contrast(1.35);
}

html.a11y-grayscale.a11y-contrast header,
html.a11y-grayscale.a11y-contrast main,
html.a11y-grayscale.a11y-contrast footer {
    filter: grayscale(1) contrast(1.35);
}

body.a11y-links a {
    text-decoration: underline !important;
    text-underline-offset: 3px;
}

/* ---------- Mobile ---------- */
@media (max-width: 767px) {
    .a11y-float {
        padding: .85rem;
    }
}