/**
 * Stili per il Widget di Accessibilità
 * 
 * Include stili per:
 * - Icona floating button
 * - Pannello laterale slide-in
 * - Controlli e toggle
 * - Animazioni
 * 
 * @package DPAccessibilita
 * @since 1.0.0
 */

/* ========================================
   Reset e Variabili CSS
   ======================================== */
:root {
    --dpa-primary-color: #3B82F6;
    --dpa-secondary-color: #10B981;
    --dpa-text-color: #ffffff;
    --dpa-bg-dark: #1E293B;
    --dpa-bg-darker: #0F172A;
    --dpa-border-radius: 12px;
    --dpa-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --dpa-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.25);
    --dpa-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --dpa-panel-width: 420px;
}

/* ========================================
   RESET COMPLETO PANNELLO
   Isola completamente il pannello dai CSS del tema
   ======================================== */
.dpa-panel,
.dpa-panel *,
.dpa-panel *::before,
.dpa-panel *::after {
    box-sizing: border-box !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    font-size: 100% !important;
    font-weight: normal !important;
    font-style: normal !important;
    line-height: 1.5 !important;
    text-align: left !important;
    text-decoration: none !important;
    text-transform: none !important;
    letter-spacing: normal !important;
    word-spacing: normal !important;
    vertical-align: baseline !important;
    background: transparent !important;
    color: inherit !important;
}

/* Ripristino degli stili per gli elementi del pannello */
.dpa-panel {
    all: initial !important;
    box-sizing: border-box !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif !important;
    
    /* IMPORTANTE: Mantieni il transform per nascondere il pannello */
    position: fixed !important;
    top: 0 !important;
    width: var(--dpa-panel-width) !important;
    max-width: 100% !important;
    height: 100vh !important;
    background: #FFFFFF !important;
    z-index: 999999 !important;
    display: flex !important;
    flex-direction: column !important;
    box-shadow: var(--dpa-shadow-lg) !important;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

/* ========================================
   Widget Floating Button
   ======================================== */
.dpa-widget-button {
    position: fixed;
    z-index: 999999;
    width: 56px;
    height: 56px;
    background: var(--dpa-primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--dpa-shadow-lg);
    transition: var(--dpa-transition);
    border: none;
    outline: none;
}

.dpa-widget-button:hover,
.dpa-widget-button:focus {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(59, 130, 246, 0.5);
}

.dpa-widget-button:focus {
    outline: 3px solid #ffffff;
    outline-offset: 3px;
}

.dpa-widget-button:active {
    transform: scale(0.95);
}

/* Posizionamento Widget */
.dpa-position-bottom-right {
    bottom: 24px;
    right: 24px;
}

.dpa-position-bottom-left {
    bottom: 24px;
    left: 24px;
}

/* Icona SVG nel Button */
.dpa-widget-button .dpa-icon {
    width: 32px;
    height: 32px;
    color: var(--dpa-text-color);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Tooltip */
.dpa-widget-button .dpa-tooltip {
    position: absolute;
    bottom: 100%;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: var(--dpa-bg-darker);
    color: var(--dpa-text-color);
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--dpa-transition);
    pointer-events: none;
    box-shadow: var(--dpa-shadow);
}

.dpa-widget-button:hover .dpa-tooltip,
.dpa-widget-button:focus .dpa-tooltip {
    opacity: 1;
    visibility: visible;
}

.dpa-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--dpa-bg-darker);
}

/* ========================================
   Backdrop Overlay
   ======================================== */
.dpa-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999998;
    opacity: 0;
    visibility: hidden;
    transition: var(--dpa-transition);
}

.dpa-backdrop.dpa-active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Pannello Laterale - Posizioni e Stati
   ======================================== */
.dpa-panel {
    position: fixed !important;
    top: 0 !important;
    width: var(--dpa-panel-width) !important;
    max-width: 100% !important;
    height: 100vh !important;
    background: #FFFFFF !important;
    z-index: 999999 !important;
    display: flex !important;
    flex-direction: column !important;
    box-shadow: var(--dpa-shadow-lg) !important;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif !important;
}

/* Posizionamento Destra - NASCOSTO di default */
.dpa-panel-bottom-right,
.dpa-panel.dpa-panel-bottom-right {
    right: 0 !important;
    left: auto !important;
    transform: translateX(100%) !important;
}

/* Posizionamento Sinistra - NASCOSTO di default */
.dpa-panel-bottom-left,
.dpa-panel.dpa-panel-bottom-left {
    left: 0 !important;
    right: auto !important;
    transform: translateX(-100%) !important;
}

/* Pannello ATTIVO - Visibile */
.dpa-panel.dpa-active.dpa-panel-bottom-right,
.dpa-panel.dpa-active.dpa-panel-bottom-left {
    transform: translateX(0) !important;
}

/* ========================================
   Header del Pannello
   ======================================== */
.dpa-panel-header {
    padding: 16px 20px !important;
    background: #0F766E !important;
    border-bottom: none !important;
    position: relative !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
}

.dpa-panel-title {
    color: #FFFFFF !important;
    font-size: 18px !important;
    font-weight: 700 !important;
    margin: 0 0 12px 0 !important;
    padding: 0 40px 0 0 !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
    line-height: 1.2 !important;
    border: none !important;
    background: transparent !important;
    text-align: left !important;
    display: block !important;
}

.dpa-panel-quick-actions {
    display: flex !important;
    gap: 8px !important;
    flex-wrap: wrap !important;
    margin: 0 !important;
    padding: 0 !important;
}

.dpa-panel-quick-actions .dpa-btn,
.dpa-panel-quick-actions .dpa-btn-white,
.dpa-btn.dpa-btn-white {
    padding: 7px 12px !important;
    border: 2px solid #FFFFFF !important;
    border-radius: 20px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: var(--dpa-transition) !important;
    background: #FFFFFF !important;
    color: #0F766E !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    text-decoration: none !important;
    display: inline-block !important;
    line-height: 1.2 !important;
    text-align: center !important;
    vertical-align: middle !important;
}

.dpa-panel-quick-actions .dpa-btn:hover,
.dpa-panel-quick-actions .dpa-btn:focus,
.dpa-btn.dpa-btn-white:hover,
.dpa-btn.dpa-btn-white:focus {
    background: #F0FDFA !important;
    border-color: #FFFFFF !important;
    color: #065F46 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15) !important;
}

.dpa-btn:hover,
.dpa-btn:focus {
    background: #F0FDFA !important;
    border-color: #FFFFFF !important;
    color: #065F46 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15) !important;
}

.dpa-btn:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.dpa-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--dpa-transition);
}

.dpa-close-btn:hover,
.dpa-close-btn:focus {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.05);
}

.dpa-close-btn svg {
    width: 18px;
    height: 18px;
    color: #FFFFFF;
}

/* ========================================
   Body del Pannello
   ======================================== */
.dpa-panel-body {
    flex: 1 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    padding: 16px !important;
    background: #F3F4F6 !important;
    scrollbar-width: thin !important;
    scrollbar-color: #CBD5E1 transparent !important;
    margin: 0 !important;
    border: none !important;
}

.dpa-panel-body::-webkit-scrollbar {
    width: 8px;
}

.dpa-panel-body::-webkit-scrollbar-track {
    background: #E5E7EB;
}

.dpa-panel-body::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 4px;
}

.dpa-panel-body::-webkit-scrollbar-thumb:hover {
    background: #94A3B8;
}

/* ========================================
   Sezioni del Pannello
   ======================================== */
.dpa-section {
    margin: 0 0 16px 0 !important;
    background: #FFFFFF !important;
    border-radius: 8px !important;
    padding: 14px !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
    border: none !important;
}

.dpa-section:last-child {
    margin-bottom: 0 !important;
}

.dpa-section-title {
    color: #1F2937 !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    margin: 0 0 10px 0 !important;
    padding: 0 0 6px 0 !important;
    border-bottom: 1px solid #E5E7EB !important;
    line-height: 1.2 !important;
    display: block !important;
    text-align: left !important;
    background: transparent !important;
}

/* ========================================
   Controlli con Label e Info sulla Destra
   ======================================== */
.dpa-control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.dpa-control-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.dpa-control-right {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: #6B7280;
    flex-shrink: 0;
}

.dpa-align-icon {
    width: 18px;
    height: 18px;
    color: #6B7280;
    flex-shrink: 0;
}

/* ========================================
   Gruppi di Controllo
   ======================================== */
.dpa-control-group {
    margin-bottom: 10px;
}

.dpa-control-group:last-child {
    margin-bottom: 0;
}

.dpa-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #374151;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 0;
    line-height: 1.2;
}

.dpa-label-icon {
    width: 18px;
    height: 18px;
    color: #0F766E;
    flex-shrink: 0;
}

/* ========================================
   Toggle Switch Semplice (come nell'immagine)
   ======================================== */
.dpa-toggle-btn-simple {
    width: 44px;
    height: 24px;
    background: #D1D5DB;
    border: none;
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: var(--dpa-transition);
}

.dpa-toggle-btn-simple[aria-pressed="true"] {
    background: #0F766E;
}

.dpa-toggle-circle {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: #FFFFFF;
    border-radius: 50%;
    transition: var(--dpa-transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.dpa-toggle-btn-simple[aria-pressed="true"] .dpa-toggle-circle {
    left: 22px;
}

/* ========================================
   Valore Slider
   ======================================== */
.dpa-slider-value {
    font-size: 11px;
    color: #0F766E;
    font-weight: 500;
    min-width: 65px;
    text-align: center;
    flex-shrink: 0;
}

/* ========================================
   Slider Controls
   ======================================== */
.dpa-slider-control {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #F9FAFB;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid #E5E7EB;
    box-sizing: border-box;
}

.dpa-btn-icon {
    width: 32px;
    height: 32px;
    background: #0F766E;
    color: #FFFFFF;
    border: none;
    border-radius: 50%;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--dpa-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dpa-btn-icon:hover,
.dpa-btn-icon:focus {
    background: #0D9488;
    transform: scale(1.05);
}

.dpa-slider-control input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: #D1D5DB;
    border-radius: 2px;
    outline: none;
}

.dpa-slider-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #0F766E;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--dpa-transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.dpa-slider-control input[type="range"]::-webkit-slider-thumb:hover {
    background: #0D9488;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.dpa-slider-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #0F766E;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: var(--dpa-transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.dpa-slider-control input[type="range"]::-moz-range-thumb:hover {
    background: #0D9488;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Toggle Buttons (stile card ORIZZONTALE)
   ======================================== */
.dpa-toggle-btn {
    width: 100%;
    padding: 10px 12px;
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    color: #374151;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    transition: var(--dpa-transition);
    text-align: left;
    min-height: 44px;
    box-sizing: border-box;
}

.dpa-toggle-btn:hover,
.dpa-toggle-btn:focus {
    background: #F3F4F6;
    border-color: #0F766E;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dpa-toggle-btn[aria-pressed="true"] {
    background: #D1FAE5;
    border-color: #0F766E;
    color: #065F46;
}

.dpa-toggle-icon {
    width: 24px !important;
    height: 24px !important;
    flex-shrink: 0 !important;
    background: none !important;
    border-radius: 0 !important;
    position: relative !important;
    transition: var(--dpa-transition) !important;
    color: #0F766E !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

.dpa-toggle-btn[aria-pressed="true"] .dpa-toggle-icon {
    color: #065F46 !important;
}

.dpa-toggle-icon svg {
    width: 20px !important;
    height: 20px !important;
    display: block !important;
}

.dpa-toggle-icon::after {
    display: none !important;
}

.dpa-toggle-label {
    line-height: 1.3 !important;
    flex: 1 !important;
    word-break: break-word !important;
    margin: 0 !important;
    padding: 0 !important;
    color: inherit !important;
    font-size: inherit !important;
    text-align: left !important;
}

/* ========================================
   Pulsanti Allineamento
   ======================================== */
.dpa-align-buttons {
    display: flex !important;
    gap: 6px !important;
    margin: 0 !important;
    padding: 0 !important;
}

.dpa-btn-align {
    flex: 1 !important;
    padding: 8px 6px !important;
    background: #F9FAFB !important;
    border: 1px solid #E5E7EB !important;
    border-radius: 6px !important;
    color: #374151 !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: var(--dpa-transition) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    box-sizing: border-box !important;
    min-width: 0 !important;
    margin: 0 !important;
    text-decoration: none !important;
    line-height: 1.2 !important;
}

.dpa-btn-align:hover,
.dpa-btn-align:focus {
    background: #F3F4F6 !important;
    border-color: #0F766E !important;
}

.dpa-btn-align.active,
.dpa-btn-align[aria-pressed="true"] {
    background: #0F766E !important;
    border-color: #0F766E !important;
    color: #FFFFFF !important;
}

/* ========================================
   Grid Features (stile lista come immagine)
   ======================================== */
.dpa-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    :root {
        --dpa-panel-width: 100%;
    }
    
    .dpa-panel {
        width: 100vw !important;
        max-width: 100vw !important;
    }
    
    .dpa-features-grid {
        grid-template-columns: 1fr;
    }
    
    .dpa-widget-button {
        width: 48px;
        height: 48px;
    }
    
    .dpa-widget-button .dpa-icon {
        width: 26px;
        height: 26px;
    }
    
    .dpa-position-bottom-right,
    .dpa-position-bottom-left {
        bottom: 16px;
        right: 16px;
    }
    
    .dpa-panel-title {
        font-size: 16px;
    }
    
    .dpa-section-title {
        font-size: 12px;
    }
    
    .dpa-btn {
        font-size: 11px !important;
        padding: 6px 10px !important;
    }
}

@media (max-width: 480px) {
    .dpa-panel-header {
        padding: 12px 16px;
    }
    
    .dpa-panel-body {
        padding: 12px;
    }
    
    .dpa-panel-title {
        font-size: 15px;
        margin-bottom: 10px;
    }
    
    .dpa-panel-quick-actions {
        gap: 6px;
    }
    
    .dpa-btn {
        font-size: 10px !important;
        padding: 6px 8px !important;
        flex: 1;
        min-width: 0;
    }
    
    .dpa-section {
        padding: 12px;
        margin-bottom: 12px;
    }
    
    .dpa-section-title {
        font-size: 11px;
    }
    
    .dpa-slider-control {
        gap: 6px;
        padding: 8px;
    }
    
    .dpa-btn-icon {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
    
    .dpa-slider-value {
        font-size: 10px;
        min-width: 55px;
    }
}

/* ========================================
   Accessibilità - Focus States
   ======================================== */
*:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

/* ========================================
   Animazioni
   ======================================== */
@keyframes dpa-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes dpa-slide-in-right {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes dpa-slide-in-left {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Riduci animazioni per utenti con preferenze */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}