/* =============================================================================
   darkmode.css - Tema scuro per EasyTaskFlow
   Conforme WCAG 2.1 livello AA (contrasto minimo 4.5:1 per testo normale)
   Attivato con: <html data-theme="dark"> o <body class="dark">
   ============================================================================= */

/* ---- Transizioni globali fluide per il cambio tema ---- */
html,
body,
.nav-links a,
.navbar,
.dropdown,
.service-card,
.feature-card,
.pricing-card,
.hero-badge,
.btn,
input,
textarea,
select,
.card,
section {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* =============================================================================
   TEMA SCURO - Variabili CSS
   ============================================================================= */
[data-theme="dark"],
.dark {
    /* Brand colors - leggermente più chiari per contrasto su sfondo scuro */
    --primary: #60a5fa;          /* blue-400 - più chiaro */
    --primary-light: #93c5fd;
    --primary-dark: #3b82f6;     /* blue-500 */
    --secondary: #818cf8;        /* indigo-400 */
    --accent: #38bdf8;           /* sky-400 (#38bdfd2 era invalido: 7 cifre) */
    --accent-alt: #fbbf24;       /* amber-400 */
    --accent-warm: #fb923c;
    --success: #34d399;          /* emerald-400 */
    --error: #f87171;            /* red-400 */

    /* Backgrounds - scala di grigi scuri */
    --bg-light: #1e293b;          /* slate-800 - principale bg */
    --bg-page: #0f172a;           /* slate-900 - body bg */
    --bg-dark: #0f172a;           /* slate-900 - alias */
    --bg-darker: #020617;         /* slate-950 - sezioni scure */
    --bg-card: #1e293b;           /* slate-800 - card bg */
    --bg-elevated: #334155;       /* slate-700 - elevato */

    /* Text - colori chiari per contrasto */
    --text-primary: #f1f5f9;      /* slate-100 - testo principale (contrasto 14:1 su bg) */
    --text-secondary: #cbd5e1;    /* slate-300 - testo secondario (contrasto 9:1) */
    --text-muted: #94a3b8;        /* slate-400 - testo meno importante (contrasto 5:1) */
    --text-inverse: #0f172a;      /* per testi su bg chiari */

    /* Borders */
    --border: #334155;            /* slate-700 */
    --border-light: #1e293b;      /* slate-800 - più sottile */
    --border-strong: #475569;     /* slate-600 - evidente */

    /* Shadows - più scure per effetto glow */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px rgba(96, 165, 250, 0.4);

    /* Background body principale */
    background-color: var(--bg-page);
    color: var(--text-primary);
}

/* =============================================================================
   OVERRIDE COMPONENTI SPECIFICI
   ============================================================================= */

/* Body e html */
[data-theme="dark"] body,
.dark body {
    background-color: var(--bg-page);
    color: var(--text-primary);
}

/* Testo generale */
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6,
.dark h1, .dark h2, .dark h3, .dark h4, .dark h5, .dark h6 {
    color: var(--text-primary);
}

[data-theme="dark"] p,
.dark p {
    color: var(--text-secondary);
}

[data-theme="dark"] a,
.dark a {
    color: var(--primary-light);
}

[data-theme="dark"] a:hover,
.dark a:hover {
    color: var(--primary);
}

/* Navbar */
[data-theme="dark"] .navbar,
.dark .navbar {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .navbar.scrolled,
.dark .navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .nav-links a,
.dark .nav-links a {
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-links a:hover,
[data-theme="dark"] .nav-links .nav-item.active a,
.dark .nav-links a:hover,
.dark .nav-links .nav-item.active a {
    color: var(--primary-light);
}

[data-theme="dark"] .dropdown,
.dark .dropdown {
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .dropdown a,
.dark .dropdown a {
    color: var(--text-primary);
}

[data-theme="dark"] .dropdown a:hover,
.dark .dropdown a:hover {
    background: rgba(96, 165, 250, 0.1);
}

/* Hero section */
[data-theme="dark"] .hero--with-image,
[data-theme="dark"] .hero,
.dark .hero--with-image,
.dark .hero {
    background: linear-gradient(180deg, var(--bg-page) 0%, var(--bg-light) 100%);
}

/* Hero badge */
[data-theme="dark"] .hero-badge,
.dark .hero-badge {
    background: rgba(96, 165, 250, 0.15);
    color: var(--primary-light);
    border-color: rgba(96, 165, 250, 0.4);
}

/* Service cards */
[data-theme="dark"] .service-card,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .pricing-card,
.dark .service-card,
.dark .feature-card,
.dark .pricing-card {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-primary);
}

[data-theme="dark"] .service-card:hover,
[data-theme="dark"] .feature-card:hover,
.dark .service-card:hover,
.dark .feature-card:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
}

[data-theme="dark"] .service-card h3,
[data-theme="dark"] .feature-card h3,
[data-theme="dark"] .pricing-card h3,
.dark .service-card h3,
.dark .feature-card h3,
.dark .pricing-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .service-card p,
[data-theme="dark"] .feature-card p,
.dark .service-card p,
.dark .feature-card p {
    color: var(--text-secondary);
}

/* Service icon containers */
[data-theme="dark"] .service-icon,
.dark .service-icon {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(129, 140, 248, 0.2));
    color: var(--primary-light);
}

/* Buttons */
[data-theme="dark"] .btn-primary,
.dark .btn-primary {
    background: var(--primary);
    color: white;
}

[data-theme="dark"] .btn-primary:hover,
.dark .btn-primary:hover {
    background: var(--primary-light);
    color: var(--bg-page);
}

[data-theme="dark"] .btn-secondary,
.dark .btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

[data-theme="dark"] .btn-outline,
.dark .btn-outline {
    background: transparent;
    color: var(--primary-light);
    border-color: var(--primary);
}

/* Inputs */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select,
.dark input,
.dark textarea,
.dark select {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder,
.dark input::placeholder,
.dark textarea::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus,
.dark input:focus,
.dark textarea:focus,
.dark select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

/* Section backgrounds alternati */
[data-theme="dark"] section[style*="background: white"],
[data-theme="dark"] section[style*="background:#fff"],
.dark section[style*="background: white"],
.dark section[style*="background:#fff"] {
    background: var(--bg-card) !important;
}

[data-theme="dark"] section[style*="background: #f8fafc"],
.dark section[style*="background: #f8fafc"] {
    background: var(--bg-light) !important;
}

/* Footer */
[data-theme="dark"] footer,
.dark footer {
    background: var(--bg-darker);
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
}

[data-theme="dark"] footer h4,
.dark footer h4 {
    color: var(--text-primary);
}

[data-theme="dark"] footer a,
.dark footer a {
    color: var(--text-secondary);
}

[data-theme="dark"] footer a:hover,
.dark footer a:hover {
    color: var(--primary-light);
}

/* Pricing card popular */
[data-theme="dark"] .pricing-card.popular,
.dark .pricing-card.popular {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.15), rgba(129, 140, 248, 0.15));
    border-color: var(--primary);
}

/* Cookie banner */
[data-theme="dark"] .cookie-banner,
.dark .cookie-banner {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}

[data-theme="dark"] .cookie-category,
.dark .cookie-category {
    background: var(--bg-elevated);
    border-color: var(--border);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-cookie--reject,
.dark .btn-cookie--reject {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border-color: var(--border);
}

/* CTA section */
[data-theme="dark"] .cta-section,
.dark .cta-section {
    background: var(--bg-darker);
}

/* Stats cards */
[data-theme="dark"] .stat-card,
.dark .stat-card {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* Article hero (news) */
[data-theme="dark"] .article-hero,
.dark .article-hero {
    background: linear-gradient(180deg, var(--bg-page) 0%, var(--bg-card) 100%);
}

[data-theme="dark"] .news-card,
[data-theme="dark"] .news-featured-card,
[data-theme="dark"] .news-category-card,
.dark .news-card,
.dark .news-featured-card,
.dark .news-category-card {
    background: var(--bg-card);
    border-color: var(--border);
}

[data-theme="dark"] .news-card:hover,
[data-theme="dark"] .news-featured-card:hover,
.dark .news-card:hover,
.dark .news-featured-card:hover {
    background: var(--bg-elevated);
}

[data-theme="dark"] .article-content,
.dark .article-content {
    color: var(--text-secondary);
}

[data-theme="dark"] .article-content blockquote,
.dark .article-content blockquote {
    background: var(--bg-elevated);
    border-left-color: var(--primary);
    color: var(--text-secondary);
}

[data-theme="dark"] .article-content pre,
.dark .article-content pre {
    background: #020617;
    color: #e5e7eb;
}

[data-theme="dark"] .article-content code,
.dark .article-content code {
    background: var(--bg-elevated);
    color: #fbbf24;
}

/* Newsletter */
[data-theme="dark"] .newsletter-section,
.dark .newsletter-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
}

/* Location section */
[data-theme="dark"] .location-section,
[data-theme="dark"] .company-info-section,
.dark .location-section,
.dark .company-info-section {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.08), rgba(129, 140, 248, 0.08));
}

/* Skip link (accessibilità) */
[data-theme="dark"] .skip-link,
.dark .skip-link {
    background: var(--primary);
    color: white;
}

/* Selection */
[data-theme="dark"] ::selection,
[data-theme="dark"] ::-moz-selection,
.dark ::selection,
.dark ::-moz-selection {
    background: rgba(96, 165, 250, 0.4);
    color: var(--text-primary);
}

/* Scrollbar dark */
[data-theme="dark"] ::-webkit-scrollbar-track,
.dark ::-webkit-scrollbar-track {
    background: var(--bg-light);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb,
.dark ::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: 2px solid var(--bg-light);
}

/* Lang switcher dropdown */
[data-theme="dark"] .dropdown--lang,
.dark .dropdown--lang {
    background: var(--bg-card);
    border-color: var(--border);
}

[data-theme="dark"] .lang-option,
.dark .lang-option {
    color: var(--text-primary);
}

[data-theme="dark"] .lang-option:hover,
.dark .lang-option:hover {
    background: rgba(96, 165, 250, 0.1);
}

/* Mobile menu */
[data-theme="dark"] .mobile-menu,
.dark .mobile-menu {
    background: var(--bg-card);
    border-color: var(--border);
}

[data-theme="dark"] .mobile-menu a,
.dark .mobile-menu a {
    color: var(--text-secondary);
}

[data-theme="dark"] .mobile-menu a:hover,
.dark .mobile-menu a:hover {
    background: rgba(96, 165, 250, 0.1);
    color: var(--primary-light);
}

/* WhatsApp float button */
[data-theme="dark"] .whatsapp-float,
.dark .whatsapp-float {
    background: linear-gradient(135deg, #25d366, #128c7e);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
}

/* =============================================================================
   THEME TOGGLE BUTTON
   ============================================================================= */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
    color: var(--primary);
    transform: rotate(15deg);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    position: absolute;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
}

/* Light mode: mostra moon (per passare a dark) */
.theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

/* Dark mode: mostra sun (per passare a light) */
[data-theme="dark"] .theme-toggle .moon-icon,
.dark .theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .sun-icon,
.dark .theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Animazione al click */
.theme-toggle.switching {
    animation: themeSwitch 0.6s ease;
}

@keyframes themeSwitch {
    0% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
    100% { transform: scale(1) rotate(360deg); }
}

/* Variante mobile (nel menu mobile) */
.mobile-theme-toggle,
.theme-toggle--mobile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.95rem;
    margin: 12px 16px;
    transition: all 0.2s ease;
    width: calc(100% - 32px);
    justify-content: flex-start;
    position: relative;
}

.mobile-theme-toggle:hover,
.theme-toggle--mobile:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
}

.theme-toggle--mobile .theme-toggle-label {
    margin-left: 8px;
    font-weight: 500;
}

/* Nasconde le icone absolute-positioned nel toggle mobile (già in flex) */
.theme-toggle--mobile .sun-icon,
.theme-toggle--mobile .moon-icon {
    position: static;
}

/* =============================================================================
   PREFERENZA AUTOMATICA DI SISTEMA (solo se utente non ha scelto)
   ============================================================================= */
@media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]):not(.light) {
        /* Rispetta preferenza OS solo se utente non ha scelto esplicitamente */
    }
}

/* =============================================================================
   ACCESSIBILITÀ - Contrasto elevato per utenti ipovedenti
   ============================================================================= */

/* Modalità ad alto contrasto (opzionale, attivabile in futuro) */
[data-contrast="high"] {
    --text-primary: #ffffff;
    --text-secondary: #f1f5f9;
    --bg-page: #000000;
    --bg-card: #0a0a0a;
    --border: #ffffff;
    --primary: #00d4ff;
    --primary-light: #66e5ff;
}

[data-contrast="high"] .btn-primary {
    border: 2px solid white;
}

/* Focus ring più visibile per chi ha problemi di vista */
@media (prefers-contrast: more) {
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 3px solid currentColor;
        outline-offset: 4px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* =============================================================================
   PRINT - modalità stampa sempre chiara per risparmiare inchiostro
   ============================================================================= */
@media print {
    [data-theme="dark"] *,
    .dark * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
}
/* =============================================================================
   TEMA SCURO — pagina App Mobile (/apps/ e showcase di MMedit)
   Le card di questa pagina usano background bianco hardcoded: in tema scuro
   vanno riportate sulle superfici del tema, come già fatto per .service-card
   e .feature-card.
   ============================================================================= */
[data-theme="dark"] .process-card,
[data-theme="dark"] .app-card,
[data-theme="dark"] .tech-item,
.dark .process-card,
.dark .app-card,
.dark .tech-item {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-primary);
}

[data-theme="dark"] .process-card:hover,
[data-theme="dark"] .app-card:hover,
.dark .process-card:hover,
.dark .app-card:hover {
    background: var(--bg-elevated);
    border-color: var(--primary);
}

[data-theme="dark"] .process-card h3,
[data-theme="dark"] .app-content h3,
.dark .process-card h3,
.dark .app-content h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .process-card p,
[data-theme="dark"] .app-content p,
[data-theme="dark"] .tech-item,
.dark .process-card p,
.dark .app-content p,
.dark .tech-item {
    color: var(--text-secondary);
}

[data-theme="dark"] .app-icon,
.dark .app-icon {
    background: rgba(96, 165, 250, 0.15);
    color: var(--primary);
}

/* I mockup hanno il bordo del telefono scuro (#1e293b): su fondo scuro serve
   un contorno chiaro per staccarli dallo sfondo. */
[data-theme="dark"] .showcase-phone svg,
.dark .showcase-phone svg {
    box-shadow: 0 20px 40px -16px rgba(0, 0, 0, 0.7),
                0 0 0 1px rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .showcase-phone figcaption,
.dark .showcase-phone figcaption {
    color: var(--text-secondary);
}