/* ICN Accessibility Panel v9 - testo articolo + lettura vocale, mobile bottom sheet */

:root {
    --icn-a11y-blue: #2468ff;
    --icn-a11y-blue-dark: #1240aa;
    --icn-a11y-bg: #ffffff;
    --icn-a11y-border: #dde3f0;
    --icn-a11y-shadow: 0 18px 55px rgba(15, 23, 42, 0.25);
    --icn-a11y-radius-lg: 22px;
    --icn-a11y-radius-md: 16px;
    --icn-a11y-radius-pill: 999px;
    --icn-a11y-text: #0f172a;
    --icn-a11y-muted: #64748b;
    --icn-a11y-focus: #f97316;
    --icn-a11y-surface: #f5f7ff;
}

/* Floating toggle button bottom-left (solo non-homepage) */

#icn-a11y-toggle {
    position: fixed;
    left: 22px;
    bottom: 22px;
    width: 60px;
    height: 60px;
    border-radius: 999px;
    border: none;
    background: radial-gradient(circle at 0 0, #60a5fa, #2563eb);
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.45);
    cursor: pointer;
    z-index: 99998;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

#icn-a11y-toggle:hover {
    transform: translateY(-1px) scale(1.03);
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.55);
}

#icn-a11y-toggle:focus-visible {
    outline: 3px solid var(--icn-a11y-focus);
    outline-offset: 3px;
}

.icn-a11y-toggle-icon {
    line-height: 1;
}

/* Overlay DISABILITATO: nessun background, nessun blocco pagina */
#icn-a11y-overlay,
#icn-a11y-overlay.icn-a11y-overlay--visible {
    display: none;
}

/* Panel: desktop = popup in basso a sinistra */

#icn-a11y-panel {
    position: fixed;
    left: 22px;
    bottom: 96px;
    width: min(380px, 92vw);
    max-height: 70vh;
    background: radial-gradient(circle at top left, #f9fbff 0, #eef2ff 40%, #ffffff 100%);
    color: var(--icn-a11y-text);
    border-radius: var(--icn-a11y-radius-lg);
    box-shadow: var(--icn-a11y-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(140%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.22s ease-out, opacity 0.22s ease-out;
    z-index: 99997;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#icn-a11y-panel.icn-a11y-panel--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.icn-a11y-panel-header {
    background: linear-gradient(135deg, var(--icn-a11y-blue), var(--icn-a11y-blue-dark));
    color: #ffffff;
    padding: 14px 16px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.icn-a11y-panel-header::after {
    content: "";
    position: absolute;
    inset-inline: 26%;
    bottom: -8px;
    height: 16px;
    border-radius: 16px 16px 0 0;
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
}

.icn-a11y-panel-title {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1;
}

.icn-a11y-site-logo {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    object-fit: cover;
    background: rgba(15, 23, 42, 0.16);
}

.icn-a11y-panel-icon {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.icn-a11y-panel-title-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.icn-a11y-panel-title-main {
    font-weight: 600;
    font-size: 15px;
    line-height: 1.1;
}

.icn-a11y-panel-title-sub {
    font-size: 11px;
    opacity: 0.9;
}

.icn-a11y-panel-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 1;
}

.icn-a11y-close,
.icn-a11y-reset {
    border-radius: var(--icn-a11y-radius-pill);
    border: none;
    cursor: pointer;
    font-size: 12px;
    padding: 6px 12px;
    font-weight: 500;
    transition: background 0.16s ease, color 0.16s ease, transform 0.12s ease;
}

.icn-a11y-reset {
    background: rgba(15, 23, 42, 0.12);
    color: #e5edff;
}

.icn-a11y-reset:hover {
    background: rgba(15, 23, 42, 0.18);
    transform: translateY(-0.5px);
}

.icn-a11y-close {
    background: transparent;
    color: #ffffff;
    font-size: 18px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.icn-a11y-close:hover {
    background: rgba(15, 23, 42, 0.22);
    transform: translateY(-0.5px);
}

.icn-a11y-panel-body {
    padding: 20px 16px 10px;
    overflow-y: auto;
}

.icn-a11y-section + .icn-a11y-section {
    margin-top: 12px;
}

.icn-a11y-section-title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--icn-a11y-muted);
    margin: 0 0 10px 2px;
}

.icn-a11y-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.icn-a11y-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.96), #f4f6ff);
    border-radius: var(--icn-a11y-radius-md);
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 10px 11px 10px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    cursor: pointer;
    transition: background 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, transform 0.12s ease;
    text-align: left;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.icn-a11y-card--slider {
    cursor: default;
}

.icn-a11y-card:hover {
    background: #fdfefe;
    border-color: var(--icn-a11y-blue);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
    transform: translateY(-1px);
}

.icn-a11y-card:focus-visible {
    outline: 2px solid var(--icn-a11y-focus);
    outline-offset: 2px;
}

.icn-a11y-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icn-a11y-card-icon {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: #eef2ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    color: #1d4ed8;
    flex-shrink: 0;
}

.icn-a11y-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--icn-a11y-text);
}

.icn-a11y-card-subtitle {
    font-size: 11px;
    color: var(--icn-a11y-muted);
}

.icn-a11y-card-active {
    background: #e0ebff;
    border-color: var(--icn-a11y-blue);
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
}

.icn-a11y-card-slider {
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.icn-a11y-card-slider input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 999px;
    background: #e2e8f0;
    outline: none;
    cursor: pointer;
}

.icn-a11y-card-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 999px;
    background: #2563eb;
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.35);
}

.icn-a11y-card-slider input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 999px;
    background: #2563eb;
    border: none;
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.35);
}

.icn-a11y-card-slider input[type="range"]::-moz-range-track {
    height: 4px;
    border-radius: 999px;
    background: #e2e8f0;
}

.icn-a11y-slider-scale {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 10px;
    color: var(--icn-a11y-muted);
    gap: 4px;
    min-width: 14px;
}

.icn-a11y-panel-footer {
    padding: 8px 14px 12px;
    border-top: 1px solid #e2e8f0;
    font-size: 11px;
    color: var(--icn-a11y-muted);
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(6px);
}

/* Scrollbar styling for panel body */
#icn-a11y-panel .icn-a11y-panel-body::-webkit-scrollbar {
    width: 6px;
}
#icn-a11y-panel .icn-a11y-panel-body::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.9);
    border-radius: 999px;
}

/* Mobile: bottom sheet a tutta larghezza, senza zoom strani */

@media (max-width: 640px) {
    #icn-a11y-panel {
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        max-width: 100vw;
        border-radius: 24px 24px 0 0;
        transform: translateY(110%);
        margin: 0;
    }

    #icn-a11y-panel.icn-a11y-panel--open {
        transform: translateY(0);
    }

    #icn-a11y-panel .icn-a11y-panel-body {
        max-height: 60vh;
    }
}

/* ---------------------------------------- */
/* ACCESSIBILITY EFFETTI SOLO SULL'ARTICOLO */
/* ---------------------------------------- */

/* Font size levels: 1-3 aumentano la dimensione sui principali elementi testuali */
html.icn-a11y-font-size-1 .icn-a11y-scope,
html.icn-a11y-font-size-1 .icn-a11y-scope p,
html.icn-a11y-font-size-1 .icn-a11y-scope li,
html.icn-a11y-font-size-1 .icn-a11y-scope span,
html.icn-a11y-font-size-1 .icn-a11y-scope a,
html.icn-a11y-font-size-1 .icn-a11y-scope h1,
html.icn-a11y-font-size-1 .icn-a11y-scope h2,
html.icn-a11y-font-size-1 .icn-a11y-scope h3,
html.icn-a11y-font-size-1 .icn-a11y-scope h4,
html.icn-a11y-font-size-1 .icn-a11y-scope h5,
html.icn-a11y-font-size-1 .icn-a11y-scope h6 {
    font-size: 1.1em !important;
}

html.icn-a11y-font-size-2 .icn-a11y-scope,
html.icn-a11y-font-size-2 .icn-a11y-scope p,
html.icn-a11y-font-size-2 .icn-a11y-scope li,
html.icn-a11y-font-size-2 .icn-a11y-scope span,
html.icn-a11y-font-size-2 .icn-a11y-scope a,
html.icn-a11y-font-size-2 .icn-a11y-scope h1,
html.icn-a11y-font-size-2 .icn-a11y-scope h2,
html.icn-a11y-font-size-2 .icn-a11y-scope h3,
html.icn-a11y-font-size-2 .icn-a11y-scope h4,
html.icn-a11y-font-size-2 .icn-a11y-scope h5,
html.icn-a11y-font-size-2 .icn-a11y-scope h6 {
    font-size: 1.2em !important;
}

html.icn-a11y-font-size-3 .icn-a11y-scope,
html.icn-a11y-font-size-3 .icn-a11y-scope p,
html.icn-a11y-font-size-3 .icn-a11y-scope li,
html.icn-a11y-font-size-3 .icn-a11y-scope span,
html.icn-a11y-font-size-3 .icn-a11y-scope a,
html.icn-a11y-font-size-3 .icn-a11y-scope h1,
html.icn-a11y-font-size-3 .icn-a11y-scope h2,
html.icn-a11y-font-size-3 .icn-a11y-scope h3,
html.icn-a11y-font-size-3 .icn-a11y-scope h4,
html.icn-a11y-font-size-3 .icn-a11y-scope h5,
html.icn-a11y-font-size-3 .icn-a11y-scope h6 {
    font-size: 1.3em !important;
}

/* Line-height levels: 1-2 aumentano la spaziatura */
html.icn-a11y-line-height-1 .icn-a11y-scope p,
html.icn-a11y-line-height-1 .icn-a11y-scope li,
html.icn-a11y-line-height-1 .icn-a11y-scope dd {
    line-height: 1.7 !important;
}

html.icn-a11y-line-height-2 .icn-a11y-scope p,
html.icn-a11y-line-height-2 .icn-a11y-scope li,
html.icn-a11y-line-height-2 .icn-a11y-scope dd {
    line-height: 2.0 !important;
}

/* Text alignment (solo per elementi testuali nel contenuto) */
html.icn-a11y-align-left .icn-a11y-scope,
html.icn-a11y-align-left .icn-a11y-scope p,
html.icn-a11y-align-left .icn-a11y-scope li,
html.icn-a11y-align-left .icn-a11y-scope dd {
    text-align: left !important;
}

html.icn-a11y-align-justify .icn-a11y-scope,
html.icn-a11y-align-justify .icn-a11y-scope p,
html.icn-a11y-align-justify .icn-a11y-scope li,
html.icn-a11y-align-justify .icn-a11y-scope dd {
    text-align: justify !important;
}

/* Readable font: solo contenuto articolo */
html.icn-a11y-readable-font .icn-a11y-scope,
html.icn-a11y-readable-font .icn-a11y-scope p,
html.icn-a11y-readable-font .icn-a11y-scope li,
html.icn-a11y-readable-font .icn-a11y-scope span,
html.icn-a11y-readable-font .icn-a11y-scope a,
html.icn-a11y-readable-font .icn-a11y-scope h1,
html.icn-a11y-readable-font .icn-a11y-scope h2,
html.icn-a11y-readable-font .icn-a11y-scope h3,
html.icn-a11y-readable-font .icn-a11y-scope h4,
html.icn-a11y-readable-font .icn-a11y-scope h5,
html.icn-a11y-readable-font .icn-a11y-scope h6 {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
}

/* Focus outline util per utenti tastiera */
html.icn-a11y-focus-visible :where(a, button, input, textarea, select):focus-visible {
    outline: 3px solid var(--icn-a11y-focus);
    outline-offset: 2px;
}