/* ==========================================================================
   ATLATECH SRL - Banner Accessibilita / Inclusivita
   Sfondo nero, testo bianco (contrasto 21:1)
   ========================================================================== */

.a11y-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: calc(var(--z-header) + 10);
    background: #000000;
    color: #FFFFFF;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.a11y-banner.is-visible {
    transform: translateY(0);
}

.a11y-banner[hidden] {
    display: none;
}

.a11y-banner-inner {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--container-pad);
    max-width: var(--container-max);
    margin: 0 auto;
}

.a11y-banner-icon {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--r-sm);
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.20);
    color: #FFFFFF;
}

.a11y-banner-icon svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.a11y-banner-text {
    flex: 1;
    min-width: 0;
}

.a11y-banner-text strong {
    display: block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: #FFFFFF;
    line-height: 1.3;
}

.a11y-banner-text span {
    font-size: var(--fs-xs);
    color: rgba(255,255,255,0.65);
    line-height: 1.4;
}

.a11y-banner-options {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
    flex-wrap: wrap;
}

.a11y-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.45em 1em;
    font-family: var(--font-body);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    line-height: 1;
    white-space: nowrap;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.22);
    border-radius: var(--r-full);
    color: #FFFFFF;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.a11y-btn:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.50);
    transform: translateY(-1px);
}

.a11y-btn:focus-visible {
    outline: 2px solid #FFFFFF;
    outline-offset: 3px;
    border-radius: var(--r-full);
}

.a11y-btn.is-active {
    background: #FFFFFF;
    color: #000000;
    border-color: #FFFFFF;
}

.a11y-btn.is-active:hover {
    background: #E8E8E8;
    border-color: #E8E8E8;
    color: #000000;
}

.a11y-btn svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.a11y-btn--none {
    background: transparent;
    border-color: rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.60);
}

.a11y-btn--none:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.30);
    color: #FFFFFF;
}

.a11y-btn--none.is-active {
    background: rgba(255,255,255,0.12);
    color: #FFFFFF;
    border-color: rgba(255,255,255,0.35);
}

.a11y-banner-divider {
    width: 1px;
    height: 26px;
    background: rgba(255,255,255,0.15);
    flex-shrink: 0;
}

.a11y-banner-close {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.18);
    color: #FFFFFF;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.a11y-banner-close:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.40);
}

.a11y-banner-close:focus-visible {
    outline: 2px solid #FFFFFF;
    outline-offset: 3px;
}

.a11y-banner-close svg {
    width: 14px;
    height: 14px;
}

body.a11y-banner-open {
    --a11y-banner-height: 56px;
    padding-top: var(--a11y-banner-height);
    transition: padding-top 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

html .a11y-banner {
    background: #000000 !important;
    color: #FFFFFF !important;
}

@media (max-width: 900px) {
    .a11y-banner-inner {
        flex-wrap: wrap;
        gap: var(--space-2);
        padding-block: var(--space-2) var(--space-3);
        position: relative;
    }
    .a11y-banner-text { flex: 1; }
    .a11y-banner-options { width: 100%; order: 3; }
    .a11y-banner-divider { display: none; }
    .a11y-banner-close { position: absolute; top: var(--space-2); right: var(--container-pad); }
    body.a11y-banner-open { --a11y-banner-height: 100px; }
}

@media (max-width: 480px) {
    .a11y-btn { font-size: 0.68rem; padding: 0.4em 0.85em; }
    body.a11y-banner-open { --a11y-banner-height: 116px; }
}

@media (prefers-reduced-motion: reduce) {
    .a11y-banner, body.a11y-banner-open { transition: none !important; }
}