/**
 * Stili per le Funzionalità di Accessibilità
 * 
 * Classi CSS applicate al body quando le funzionalità sono attive.
 * 
 * @package DPAccessibilita
 * @since 1.0.0
 */

/* ========================================
   Scala Contenuti (graduale 10% per step)
   ======================================== */
body.dpa-scale-content-110 {
    zoom: 1.1;
}

body.dpa-scale-content-120 {
    zoom: 1.2;
}

body.dpa-scale-content-130 {
    zoom: 1.3;
}

body.dpa-scale-content-140 {
    zoom: 1.4;
}

body.dpa-scale-content-150 {
    zoom: 1.5;
}

body.dpa-scale-content-160 {
    zoom: 1.6;
}

body.dpa-scale-content-170 {
    zoom: 1.7;
}

body.dpa-scale-content-180 {
    zoom: 1.8;
}

body.dpa-scale-content-190 {
    zoom: 1.9;
}

body.dpa-scale-content-200 {
    zoom: 2;
}

/* ========================================
   Font Leggibile
   ======================================== */
body.dpa-readable-font,
body.dpa-readable-font * {
    font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif !important;
}

/* Alternative: OpenDyslexic per dislessici */
body.dpa-readable-font.dpa-dyslexic-font,
body.dpa-readable-font.dpa-dyslexic-font * {
    font-family: 'OpenDyslexic', 'Comic Sans MS', Arial, sans-serif !important;
}

/* ========================================
   Dimensione Testo (graduale 10% per step)
   NON applicare al pannello stesso
   ======================================== */
body.dpa-text-size-110,
body.dpa-text-size-110 * {
    font-size: 110% !important;
}

body.dpa-text-size-110 .dpa-panel,
body.dpa-text-size-110 .dpa-panel *,
body.dpa-text-size-110 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-120,
body.dpa-text-size-120 * {
    font-size: 120% !important;
}

body.dpa-text-size-120 .dpa-panel,
body.dpa-text-size-120 .dpa-panel *,
body.dpa-text-size-120 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-130,
body.dpa-text-size-130 * {
    font-size: 130% !important;
}

body.dpa-text-size-130 .dpa-panel,
body.dpa-text-size-130 .dpa-panel *,
body.dpa-text-size-130 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-140,
body.dpa-text-size-140 * {
    font-size: 140% !important;
}

body.dpa-text-size-140 .dpa-panel,
body.dpa-text-size-140 .dpa-panel *,
body.dpa-text-size-140 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-150,
body.dpa-text-size-150 * {
    font-size: 150% !important;
}

body.dpa-text-size-150 .dpa-panel,
body.dpa-text-size-150 .dpa-panel *,
body.dpa-text-size-150 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-160,
body.dpa-text-size-160 * {
    font-size: 160% !important;
}

body.dpa-text-size-160 .dpa-panel,
body.dpa-text-size-160 .dpa-panel *,
body.dpa-text-size-160 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-170,
body.dpa-text-size-170 * {
    font-size: 170% !important;
}

body.dpa-text-size-170 .dpa-panel,
body.dpa-text-size-170 .dpa-panel *,
body.dpa-text-size-170 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-180,
body.dpa-text-size-180 * {
    font-size: 180% !important;
}

body.dpa-text-size-180 .dpa-panel,
body.dpa-text-size-180 .dpa-panel *,
body.dpa-text-size-180 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-190,
body.dpa-text-size-190 * {
    font-size: 190% !important;
}

body.dpa-text-size-190 .dpa-panel,
body.dpa-text-size-190 .dpa-panel *,
body.dpa-text-size-190 .dpa-widget-button {
    font-size: 100% !important;
}

body.dpa-text-size-200,
body.dpa-text-size-200 * {
    font-size: 200% !important;
}

body.dpa-text-size-200 .dpa-panel,
body.dpa-text-size-200 .dpa-panel *,
body.dpa-text-size-200 .dpa-widget-button {
    font-size: 100% !important;
}

/* ========================================
   Testo Grande (alternativa rapida RIDOTTA)
   ======================================== */
body.dpa-large-text,
body.dpa-large-text * {
    font-size: 130% !important;
}

/* Non ingrandire il pannello stesso */
body.dpa-large-text .dpa-panel,
body.dpa-large-text .dpa-panel *,
body.dpa-large-text .dpa-widget-button {
    font-size: 100% !important;
}

/* ========================================
   Altezza Riga (graduale)
   ======================================== */
body.dpa-line-height-115,
body.dpa-line-height-115 * {
    line-height: 1.8 !important;
}

body.dpa-line-height-130,
body.dpa-line-height-130 * {
    line-height: 2 !important;
}

body.dpa-line-height-145,
body.dpa-line-height-145 * {
    line-height: 2.2 !important;
}

body.dpa-line-height-160,
body.dpa-line-height-160 * {
    line-height: 2.5 !important;
}

body.dpa-line-height-175,
body.dpa-line-height-175 * {
    line-height: 2.8 !important;
}

body.dpa-line-height-190,
body.dpa-line-height-190 * {
    line-height: 3 !important;
}

body.dpa-line-height-205,
body.dpa-line-height-205 * {
    line-height: 3.3 !important;
}

body.dpa-line-height-220,
body.dpa-line-height-220 * {
    line-height: 3.6 !important;
}

body.dpa-line-height-235,
body.dpa-line-height-235 * {
    line-height: 3.8 !important;
}

body.dpa-line-height-250,
body.dpa-line-height-250 * {
    line-height: 4 !important;
}

/* ========================================
   Spaziatura Lettere
   ======================================== */
body.dpa-letter-spacing-1,
body.dpa-letter-spacing-1 * {
    letter-spacing: 0.05em !important;
}

body.dpa-letter-spacing-2,
body.dpa-letter-spacing-2 * {
    letter-spacing: 0.1em !important;
}

body.dpa-letter-spacing-3,
body.dpa-letter-spacing-3 * {
    letter-spacing: 0.15em !important;
}

body.dpa-letter-spacing-5,
body.dpa-letter-spacing-5 * {
    letter-spacing: 0.2em !important;
}

body.dpa-letter-spacing-10,
body.dpa-letter-spacing-10 * {
    letter-spacing: 0.3em !important;
}

/* ========================================
   Spaziatura Testo (globale)
   ======================================== */
body.dpa-text-spacing,
body.dpa-text-spacing * {
    line-height: 1.8 !important;
    letter-spacing: 0.12em !important;
    word-spacing: 0.16em !important;
}

body.dpa-text-spacing p,
body.dpa-text-spacing li,
body.dpa-text-spacing div {
    margin-bottom: 2em !important;
}

/* ========================================
   Alto Contrasto
   ======================================== */
body.dpa-high-contrast {
    background-color: #000000 !important;
    color: #FFFFFF !important;
}

body.dpa-high-contrast *:not(.dpa-panel):not(.dpa-panel *):not(.dpa-widget-button) {
    background-color: #000000 !important;
    color: #FFFFFF !important;
    border-color: #FFFFFF !important;
}

body.dpa-high-contrast a {
    color: #FFFF00 !important;
    text-decoration: underline !important;
}

body.dpa-high-contrast button,
body.dpa-high-contrast input[type="button"],
body.dpa-high-contrast input[type="submit"] {
    background-color: #FFFFFF !important;
    color: #000000 !important;
    border: 2px solid #FFFFFF !important;
}

/* ========================================
   Contrasto Negativo (Inversione Colori)
   ======================================== */
body.dpa-negative-contrast {
    filter: invert(1) hue-rotate(180deg);
}

body.dpa-negative-contrast img,
body.dpa-negative-contrast video,
body.dpa-negative-contrast .dpa-widget-button,
body.dpa-negative-contrast .dpa-panel {
    filter: invert(1) hue-rotate(180deg);
}

/* ========================================
   Modalità Chiara
   ======================================== */
body.dpa-light-mode {
    background-color: #FFFFFF !important;
    color: #000000 !important;
}

body.dpa-light-mode *:not(.dpa-panel):not(.dpa-panel *):not(.dpa-widget-button) {
    background-color: #FFFFFF !important;
    color: #000000 !important;
}

body.dpa-light-mode a {
    color: #0066CC !important;
}

/* ========================================
   Collegamenti Evidenziati
   ======================================== */
body.dpa-highlight-links a {
    background-color: #FFFF00 !important;
    color: #000000 !important;
    text-decoration: underline !important;
    padding: 2px 4px !important;
    border-radius: 3px !important;
    font-weight: bold !important;
}

/* ========================================
   Cursore Grande
   ======================================== */
body.dpa-large-cursor,
body.dpa-large-cursor * {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><path fill="black" stroke="white" stroke-width="2" d="M4,4 L4,24 L12,20 L16,28 L20,26 L16,18 L24,18 Z"/></svg>') 4 4, auto !important;
}

/* ========================================
   Nascondi Immagini
   ======================================== */
body.dpa-hide-images img:not(.dpa-widget-button img):not(.dpa-panel img) {
    opacity: 0 !important;
    visibility: hidden !important;
}

body.dpa-hide-images::after {
    content: attr(alt);
    display: inline-block;
    padding: 4px 8px;
    background: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 12px;
    color: #666;
}

/* ========================================
   Guida di Lettura
   ======================================== */
#dpa-reading-guide {
    position: fixed;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #FF0000;
    z-index: 999997;
    pointer-events: none;
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
    display: none;
}

body.dpa-reading-guide #dpa-reading-guide {
    display: block;
}

/* ========================================
   Maschera di Lettura
   ======================================== */
#dpa-reading-mask {
    position: fixed;
    left: 0;
    width: 100%;
    z-index: 999996;
    pointer-events: none;
    display: none;
}

body.dpa-reading-mask #dpa-reading-mask {
    display: block;
}

#dpa-reading-mask::before,
#dpa-reading-mask::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
}

#dpa-reading-mask::before {
    top: -100vh;
    height: 100vh;
}

#dpa-reading-mask::after {
    bottom: -100vh;
    height: 100vh;
}

/* ========================================
   Allineamento Testo (SOLO quando attivato dall'utente)
   ======================================== */
body.dpa-text-align-left *:not(.dpa-panel):not(.dpa-panel *):not(.dpa-widget-button) {
    text-align: left !important;
}

body.dpa-text-align-center *:not(.dpa-panel):not(.dpa-panel *):not(.dpa-widget-button) {
    text-align: center !important;
}

body.dpa-text-align-right *:not(.dpa-panel):not(.dpa-panel *):not(.dpa-widget-button) {
    text-align: right !important;
}

/* ========================================
   Pausa Animazioni
   ======================================== */
body.dpa-pause-animations,
body.dpa-pause-animations * {
    animation-play-state: paused !important;
    transition: none !important;
}

/* ========================================
   Focus Visibile Migliorato
   ======================================== */
body.dpa-enabled *:focus {
    outline: 3px solid #4A90E2 !important;
    outline-offset: 2px !important;
}

/* ========================================
   Skip Links (per navigazione da tastiera)
   ======================================== */
.dpa-skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #000000;
    color: #FFFFFF;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1000000;
    border-radius: 0 0 4px 0;
}

.dpa-skip-link:focus {
    top: 0;
}

/* ========================================
   Indicatore Alt Text Mancante
   ======================================== */
body.dpa-show-missing-alt img:not([alt]),
body.dpa-show-missing-alt img[alt=""] {
    border: 3px solid #FF0000 !important;
    position: relative;
}

body.dpa-show-missing-alt img:not([alt])::after,
body.dpa-show-missing-alt img[alt=""]::after {
    content: 'ALT mancante';
    position: absolute;
    top: 0;
    left: 0;
    background: #FF0000;
    color: #FFFFFF;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: bold;
}

/* ========================================
   Monocromatico / Saturazione
   ======================================== */
body.dpa-monochrome {
    filter: grayscale(100%);
}

body.dpa-low-saturation {
    filter: saturate(0.5);
}

body.dpa-high-saturation {
    filter: saturate(1.5);
}

body.dpa-monochrome img,
body.dpa-low-saturation img,
body.dpa-high-saturation img,
body.dpa-monochrome .dpa-widget-button,
body.dpa-low-saturation .dpa-widget-button,
body.dpa-high-saturation .dpa-widget-button,
body.dpa-monochrome .dpa-panel,
body.dpa-low-saturation .dpa-panel,
body.dpa-high-saturation .dpa-panel {
    filter: none;
}

/* ========================================
   Responsive - Mobile
   ========================================== */
@media (max-width: 768px) {
    body.dpa-scale-content-125,
    body.dpa-scale-content-150,
    body.dpa-scale-content-175,
    body.dpa-scale-content-200 {
        zoom: 1;
    }
    
    body.dpa-text-size-125,
    body.dpa-text-size-125 * {
        font-size: 110% !important;
    }
    
    body.dpa-text-size-150,
    body.dpa-text-size-150 * {
        font-size: 120% !important;
    }
    
    body.dpa-text-size-200,
    body.dpa-text-size-200 * {
        font-size: 140% !important;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .dpa-widget-button,
    .dpa-panel,
    .dpa-backdrop,
    #dpa-reading-guide,
    #dpa-reading-mask {
        display: none !important;
    }
}