/* ==========================================================================
   SHARED ACCESSIBILITY THEME VARIABLES (WCAG AA/AAA COMPLIANT)
   ========================================================================== */

:root {
    /* Theme 0: Scuro / Default (Cinematic Slate) */
    --bg-base: #020617;
    --bg-gradient: linear-gradient(135deg, #020617 0%, #0b0f19 50%, #170f24 100%);
    --card-bg: rgba(22, 29, 49, 0.5);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --accent-color: #06b6d4; /* Cyan */
    --accent-color-hover: #22d3ee;
    --g9-color: #ffb22e;
    --zoom-color: #38bdf8;
    --btn-text-color: #020617;
}

/* 1. Light Theme (Giorno) - WCAG AA */
body[data-theme="light"] {
    --bg-base: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(15, 23, 42, 0.12);
    --text-primary: #0f172a;
    --text-muted: #475569;
    --accent-color: #0284c7; /* High contrast blue */
    --accent-color-hover: #0369a1;
    --g9-color: #d97706;
    --zoom-color: #0284c7;
    --btn-text-color: #ffffff;
}

/* 2. High Contrast Yellow (Contrasto Giallo) - WCAG AAA */
body[data-theme="contrast-yellow"] {
    --bg-base: #000000;
    --bg-gradient: none;
    --card-bg: #000000;
    --card-border: #ffff00;
    --text-primary: #ffff00;
    --text-muted: #ffffff;
    --accent-color: #ffff00;
    --accent-color-hover: #ffffff;
    --g9-color: #ffff00;
    --zoom-color: #00ffff;
    --btn-text-color: #000000;
}

/* 3. High Contrast Blue (Contrasto Blu) - WCAG AAA */
body[data-theme="contrast-blue"] {
    --bg-base: #001a4d;
    --bg-gradient: none;
    --card-bg: #000d26;
    --card-border: #ffffff;
    --text-primary: #ffffff;
    --text-muted: #e2e8f0;
    --accent-color: #ffd700; /* Gold */
    --accent-color-hover: #ffffff;
    --g9-color: #ffd700;
    --zoom-color: #00ffff;
    --btn-text-color: #000d26;
}

/* 4. Sepia Theme (Toni Caldi) - WCAG AA */
body[data-theme="sepia"] {
    --bg-base: #f4ecd8;
    --bg-gradient: linear-gradient(135deg, #FAF4E5 0%, #E6DCBF 100%);
    --card-bg: #fff8eb;
    --card-border: rgba(44, 30, 10, 0.2);
    --text-primary: #1a1207;
    --text-muted: #4a3728;
    --accent-color: #92400e;
    --accent-color-hover: #78350f;
    --g9-color: #92400e;
    --zoom-color: #0369a1;
    --btn-text-color: #ffffff;
}

/* 5. Forest Theme (Verde Foresta) - WCAG AA */
body[data-theme="forest"] {
    --bg-base: #05140e;
    --bg-gradient: linear-gradient(135deg, #04100b 0%, #082116 100%);
    --card-bg: rgba(8, 40, 26, 0.7);
    --card-border: rgba(52, 211, 153, 0.2);
    --text-primary: #ecfdf5;
    --text-muted: #d1fae5;
    --accent-color: #34d399;
    --accent-color-hover: #6ee7b7;
    --g9-color: #fbbf24;
    --zoom-color: #34d399;
    --btn-text-color: #05140e;
}

/* 6. Purple Night Theme (Notte Viola) - WCAG AA */
body[data-theme="purple"] {
    --bg-base: #0f0b1a;
    --bg-gradient: linear-gradient(135deg, #0a0712 0%, #171129 100%);
    --card-bg: rgba(30, 22, 55, 0.7);
    --card-border: rgba(192, 132, 252, 0.2);
    --text-primary: #faf5ff;
    --text-muted: #f3e8ff;
    --accent-color: #c084fc;
    --accent-color-hover: #d8b4fe;
    --g9-color: #ffd700;
    --zoom-color: #c084fc;
    --btn-text-color: #0f0b1a;
}

/* 7. High Contrast Green (Contrasto Verde) - WCAG AAA */
body[data-theme="contrast-green"] {
    --bg-base: #000000;
    --bg-gradient: none;
    --card-bg: #000000;
    --card-border: #00ff00;
    --text-primary: #00ff00;
    --text-muted: #ffffff;
    --accent-color: #00ff00;
    --accent-color-hover: #ffffff;
    --g9-color: #00ff00;
    --zoom-color: #00ff00;
    --btn-text-color: #000000;
}

/* 8. Charcoal Gray (Grigio Carbone) - WCAG AA */
body[data-theme="charcoal"] {
    --bg-base: #18181b;
    --bg-gradient: linear-gradient(135deg, #09090b 0%, #27272a 100%);
    --card-bg: rgba(50, 50, 55, 0.8);
    --card-border: rgba(255, 255, 255, 0.14);
    --text-primary: #ffffff;
    --text-muted: #e4e4e7;
    --accent-color: #f59e0b;
    --accent-color-hover: #fbbf24;
    --g9-color: #f59e0b;
    --zoom-color: #38bdf8;
    --btn-text-color: #18181b;
}

/* 9. Slate Paper Theme (Carta Lavagna) - WCAG AA */
body[data-theme="slate-paper"] {
    --bg-base: #cbd5e1;
    --bg-gradient: linear-gradient(135deg, #e2e8f0 0%, #94a3b8 100%);
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(15, 23, 42, 0.15);
    --text-primary: #0f172a;
    --text-muted: #334155;
    --accent-color: #0f172a;
    --accent-color-hover: #1e293b;
    --g9-color: #b45309;
    --zoom-color: #0369a1;
    --btn-text-color: #ffffff;
}

/* ==========================================================================
   GLOBAL STYLE OVERRIDES FOR SAME LOOK & FEEL
   ========================================================================== */

/* Body Overrides */
body {
    background-color: var(--bg-base) !important;
    background-image: var(--bg-gradient) !important;
    color: var(--text-primary) !important;
    transition: background-color 0.4s ease, color 0.3s ease !important;
}

/* Text & Title elements overrides */
h1, h2, h3, h4, h5, h6, .text-white, header strong {
    color: var(--text-primary) !important;
}
p, span, li, td, th, .text-slate-400, .text-slate-300 {
    color: var(--text-muted) !important;
}

/* Card overrides */
.card, .hub-card, .p-6.rounded-xl, .tile, .step, .layout .section, .layout .sidebar {
    background: var(--card-bg) !important;
    border-color: var(--card-border) !important;
    color: var(--text-primary) !important;
}

/* Active elements & links */
a {
    transition: color 0.2s ease !important;
}
a:hover {
    color: var(--accent-color) !important;
}

/* Specific button styles */
.btn, .button, button {
    transition: all 0.25s ease !important;
}

/* Primary buttons */
.btn-primary, .button-primary, a[class*="bg-cyan-600"], a[class*="bg-cyan-500"] {
    background-color: var(--accent-color) !important;
    color: var(--btn-text-color) !important;
    border-color: transparent !important;
}
.btn-primary:hover, .button-primary:hover, a[class*="bg-cyan-600"]:hover, a[class*="bg-cyan-500"]:hover {
    background-color: var(--accent-color-hover) !important;
}

/* Secondary buttons */
.btn-secondary, .button-secondary, a[class*="bg-slate-800"], a[class*="bg-slate-900"] {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--card-border) !important;
    color: var(--text-primary) !important;
}
.btn-secondary:hover, .button-secondary:hover, a[class*="bg-slate-800"]:hover, a[class*="bg-slate-900"]:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border-color: var(--accent-color) !important;
}

/* High Contrast overrides for elements */
body[data-theme="contrast-yellow"] *,
body[data-theme="contrast-green"] *,
body[data-theme="contrast-blue"] * {
    text-shadow: none !important;
    box-shadow: none !important;
}

/* Hide background glow blobs in high contrast modes */
body[data-theme="contrast-yellow"] .glow-blob,
body[data-theme="contrast-green"] .glow-blob,
body[data-theme="contrast-blue"] .glow-blob,
body[data-theme="contrast-yellow"] .glow-1,
body[data-theme="contrast-yellow"] .glow-2 {
    display: none !important;
}

/* Specific WebSiteX5 structural overrides (for Pensiero Critico) */
#imPage, #imContent, #imHeader, #imFooter, .imPageBg, #imHeaderBg, #imFooterBg, #imContentBg {
    background-color: var(--bg-base) !important;
    background-image: var(--bg-gradient) !important;
    color: var(--text-primary) !important;
    border-color: var(--card-border) !important;
}
#imHeader, #imFooter, #imMnCc {
    border-bottom: 1px solid var(--card-border) !important;
}
.imTextObject *, .imHTMLObject * {
    color: var(--text-muted) !important;
    background-color: transparent !important;
}
.imTextObject strong, .imTextObject h1, .imTextObject h2, .imTextObject h3 {
    color: var(--text-primary) !important;
}

/* ==========================================================================
   DYNAMIC THEME SWITCHER BUTTON STYLING (ACCESSIBLE TOUCH TARGET)
   ========================================================================== */
/* Container for theme buttons */
.theme-switcher-container {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 99999;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

body[data-theme="light"] .theme-switcher-container {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(15, 23, 42, 0.15);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

body[data-theme="sepia"] .theme-switcher-container {
    background: rgba(253, 250, 242, 0.85);
    border-color: rgba(44, 30, 10, 0.2);
}

/* Label for theme switcher */
.theme-switcher-label {
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    color: #94a3b8;
    padding: 0 4px 0 8px;
    user-select: none;
}

body[data-theme="light"] .theme-switcher-label {
    color: #475569;
}

body[data-theme="sepia"] .theme-switcher-label {
    color: #4a3728;
}

/* Button style */
.theme-choice-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    padding: 0;
}

.theme-choice-btn:hover {
    transform: scale(1.15);
}

.theme-choice-btn.active {
    border-color: #38bdf8; /* Highlight active */
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
}

/* Specific theme button colors */
.theme-btn-dark { background-color: #020617 !important; border-color: rgba(255, 255, 255, 0.2) !important; }
.theme-btn-charcoal { background-color: #18181b !important; border-color: rgba(255, 255, 255, 0.2) !important; }
.theme-btn-light { background-color: #f8fafc !important; border-color: rgba(0, 0, 0, 0.15) !important; }
.theme-btn-sepia { background-color: #f4ecd8 !important; border-color: rgba(0, 0, 0, 0.15) !important; }

/* Tooltip on hover */
.theme-choice-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -32px;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: rgba(15, 23, 42, 0.95);
    color: #ffffff;
    padding: 4px 8px;
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    z-index: 100000;
}

.theme-choice-btn:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
    .theme-switcher-container {
        position: relative;
        top: 0;
        left: 0;
        margin: 10px auto;
        display: inline-flex;
        justify-content: center;
        width: max-content;
    }
}


/* ==========================================================================
   TYPOGRAPHY & LAYOUT GLOBAL OVERRIDES (User requested +30% font and System UI)
   ========================================================================== */
@media (min-width: 1024px) {
    html { font-size: 130% !important; }
}
body, h1, h2, h3, h4, h5, h6, p, a, span, div, li, td, th {
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif !important;
}

/* ==========================================================================
   PARAGRAPH SPACING FIX
   ========================================================================== */
p, .text-inner p, .imTextObject p, .imTextObject div, article p, section p {
    margin-bottom: 1.6rem !important;
    line-height: 1.85 !important;
}

/* ==========================================================================
   MEDIA STYLING (Images and Videos detached and highlighted)
   ========================================================================== */
main img, main iframe, .imHTMLObject iframe, .imTextObject img {
    margin: 3rem auto !important;
    display: block !important;
    border-radius: 12px !important;
    box-shadow: 0 15px 35px -5px rgba(0,0,0,0.4) !important;
    border: 1px solid var(--accent-color) !important;
    max-width: 100% !important;
}

/* Lightbox Dynamic CSS */
#dynamic-lightbox {
    position: fixed; inset: 0; z-index: 999999; background: rgba(2,6,23,0.95); backdrop-filter: blur(10px);
    display: none; align-items: center; justify-content: center; padding: 2rem; cursor: zoom-out;
    opacity: 0; transition: opacity 0.3s ease;
}
#dynamic-lightbox.active {
    display: flex; opacity: 1;
}
#dynamic-lightbox img {
    max-width: 100%; max-height: 90vh; border-radius: 12px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.8);
    border: 1px solid rgba(255,255,255,0.1); margin: 0 !important; cursor: default;
}
#dynamic-lightbox-close {
    position: absolute; top: 2rem; right: 2rem; background: transparent; border: none; color: white;
    font-size: 2.5rem; cursor: pointer; opacity: 0.7; transition: opacity 0.2s;
}
#dynamic-lightbox-close:hover { opacity: 1; }

/* ==========================================================================
   TAILWIND UTILITY OVERRIDES FOR DYNAMIC THEMES
   ========================================================================== */
/* Backgrounds */
[class*="bg-slate-9"], [class*="bg-slate-8"], [class*="glass-card"], .glass-nav, .hub-card, .imCell_1586, .imPageRow, article, section {
    background-color: var(--card-bg) !important;
    border-color: var(--card-border) !important;
}

/* Gradients */
[class*="from-slate-9"], [class*="to-slate-9"], [class*="via-slate-9"] {
    background-image: none !important;
    background-color: var(--card-bg) !important;
}

/* Text Colors */
[class*="text-slate-2"], [class*="text-slate-3"], [class*="text-slate-4"], [class*="text-slate-5"] {
    color: var(--text-muted) !important;
}
[class*="text-white"], [class*="text-slate-1"] {
    color: var(--text-primary) !important;
}

/* Accent Colors (Cyan, Emerald, etc.) */
[class*="text-cyan-"], [class*="text-emerald-"], [class*="from-cyan-"], [class*="from-emerald-"] {
    color: var(--accent-color) !important;
}
[class*="bg-cyan-"], [class*="bg-emerald-"] {
    background-color: var(--accent-color) !important;
    color: var(--btn-text-color) !important;
}

/* Borders */
[class*="border-slate-"], [class*="border-cyan-"] {
    border-color: var(--card-border) !important;
}

/* Force gradients in text to be solid accent */
.bg-clip-text {
    background-image: none !important;
    color: var(--accent-color) !important;
    -webkit-text-fill-color: var(--accent-color) !important;
}

/* Fix topic-nav contrast in Pensiero Critico */
.topic-nav a {
    color: var(--text-muted) !important;
    background-color: rgba(0,0,0,0.05) !important;
}
.topic-nav a:hover, .topic-nav a.active {
    color: var(--text-primary) !important;
    background-color: var(--card-bg) !important;
    border-color: var(--accent-color) !important;
}
.topic-nav a i {
    color: var(--btn-text-color) !important;
    background-color: var(--accent-color) !important;
}
.cat-banner h2 {
    color: #ffffff !important; /* Sempre bianco sui banner colorati */
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.cat-banner h2 span {
    color: rgba(255,255,255,0.8) !important;
}

/* ==========================================================================
   FONT SIZE EQUALIZATION
   ========================================================================== */
p, .text-inner p, .imTextObject p, .imTextObject div, article p, section p {
    font-size: 1rem !important;
}

/* ==========================================================================
   HOME HUB BUTTON (GLOBAL ACCESSIBLE)
   ========================================================================== */
.global-home-hub-btn {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 99999;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 16px;
    border-radius: 12px;
    font-family: system-ui, -apple-system, sans-serif;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.2s ease;
}
.global-home-hub-btn i {
    font-size: 18px;
    color: var(--accent-color);
}
.global-home-hub-btn:hover {
    background: var(--accent-color);
    color: var(--btn-text-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px -1px rgba(0, 0, 0, 0.3);
}
.global-home-hub-btn:hover i {
    color: var(--btn-text-color);
}

/* ==========================================================================
   WIDENING LAYOUT OVERRIDES (Widen Home and Subpages)
   ========================================================================== */

/* Main portal grid container */
main {
    max-width: 1600px !important;
}

/* Subpage content wrappers */
.wrap, .global-nav-inner, .topbar-inner {
    max-width: 1400px !important;
}

/* Generic layout containers and hero sections */
.chapter, .chapter-divider, footer, .header, .hero, .container {
    max-width: 1200px !important;
}

/* Wider text content width for better readability in wider layout */
.text-inner, .content-block, .lead {
    max-width: 1100px !important;
}

/* Table of Contents container */
.toc-container {
    max-width: 1000px !important;
}