@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;1,500&display=swap');


/* ============================================
   BASE CSS (Variables, Reset, Layout)
============================================ */
:root {
    --primary: #0D9488;
    --primary-dark: #0F766E;
    --primary-light: #CCFBF1;
    --primary-ultra-light: #F0FDFA;
    --secondary: #4F46E5;
    --secondary-light: #EEF2FF;
    --accent: #F59E0B;
    
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    
    --bg-page: var(--gray-50);
    --bg-surface: #FFFFFF;
    --bg-elevated: var(--gray-50);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    --border-light: var(--gray-200);
    --border-default: var(--gray-300);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    
    --transition: all 0.2s ease;

    /* Legacy vars */
    --primaire: #0D9488;
    --texte: var(--gray-900);
    --texte-secondaire: var(--gray-600);
    --surface: #FFFFFF;
    --bordure: var(--gray-300);
    --brand: #0D9488;
    --brand-light: #CCFBF1;
}

[data-theme="dark"] {
    --bg-page: var(--gray-900);
    --bg-surface: var(--gray-800);
    --bg-elevated: var(--gray-700);
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --border-light: var(--gray-700);
    --border-default: var(--gray-600);
    --surface: var(--gray-800);
    --texte: #F1F5F9;
    --texte-secondaire: #CBD5E1;
    --bordure: var(--gray-700);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* Base Layout */
.page-shell, .profile-shell, .admin-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    animation: fadeIn 0.4s ease-out;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.02em;
}

.page-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin: 0;
}

.eyebrow {
    margin: 0 0 0.45rem 0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
}


/* ==========================================================================
   ✨ PREMIUM SaaS EDTECH DESIGN SYSTEM (LIGHT & DARK THEMES)
   ========================================================================== */

/* ── Typography & Variables ── */


:root {
    /* Fonts */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    /* Theme Colors - Light Mode Default */
    --bg-app: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-surface-alt: #F1F5F9;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --border-color: #E2E8F0;
    --border-color-hover: #CBD5E1;
    --border-glass: rgba(226, 232, 240, 0.8);

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --text-light: #94A3B8;

    /* Brand/Accent Gradients */
    --brand-primary: #4F46E5;
    --brand-primary-rgb: 79, 70, 229;
    --brand-hover: #3730A3;
    --brand-light: #EEF2FF;
    --brand-gradient: linear-gradient(135deg, #4F46E5 0%, #6366F1 100%);
    --brand-glow: rgba(99, 102, 241, 0.15);

    /* Accent Colors */
    --accent-teal: #0D9488;
    --accent-teal-light: #F0FDFA;
    --accent-cyan: #06B6D4;
    --accent-cyan-light: #ECFEFF;
    --accent-violet: #8B5CF6;
    --accent-violet-light: #F5F3FF;
    --accent-emerald: #10B981;
    --accent-emerald-light: #ECFDF5;
    --accent-warning: #F59E0B;
    --accent-warning-light: #FFFBEB;
    --accent-danger: #EF4444;
    --accent-danger-light: #FEF2F2;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.08);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.1);

    /* Layout & Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --max-width: 1280px;

    /* Animation Timing */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Theme Colors - Dark Mode Override */
    --bg-app: #090D16;
    --bg-surface: #111726;
    --bg-surface-alt: #1E2638;
    --bg-glass: rgba(17, 23, 38, 0.75);
    --border-color: #1F293D;
    --border-color-hover: #334155;
    --border-glass: rgba(31, 41, 61, 0.8);

    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --text-light: #475569;

    /* Brand Accent Gradients */
    --brand-primary: #6366F1;
    --brand-primary-rgb: 99, 102, 241;
    --brand-hover: #818CF8;
    --brand-light: rgba(99, 102, 241, 0.1);
    --brand-gradient: linear-gradient(135deg, #6366F1 0%, #818CF8 100%);
    --brand-glow: rgba(99, 102, 241, 0.25);

    /* Accent Overrides */
    --accent-teal-light: rgba(13, 148, 136, 0.1);
    --accent-cyan-light: rgba(6, 182, 212, 0.1);
    --accent-violet-light: rgba(139, 92, 246, 0.1);
    --accent-emerald-light: rgba(16, 185, 129, 0.1);
    --accent-warning-light: rgba(245, 158, 11, 0.1);
    --accent-danger-light: rgba(239, 68, 68, 0.1);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px -3px rgba(0, 0, 0, 0.6), 0 4px 12px -4px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.2);
}

/* ── Global Styles ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-app);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-app);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* ── Layout & Containers ── */
.site-main {
    max-width: 1500px;
    margin: 0 auto;
    padding: 2rem 1.5rem 5rem 1.5rem;
}

@media (max-width: 768px) {
    .site-main {
        padding: 1.25rem 1rem 4rem 1rem;
    }
}

.page-shell {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.page-header {
    margin-bottom: 0.5rem;
}

.page-header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-top: 0.25rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin-top: 0.5rem;
}

.eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-primary);
}

/* ── Typography Enhancements ── */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.01em;
}

a {
    color: var(--brand-primary);
    text-decoration: none;
    transition: var(--transition);
}

/* ── Common Premium Elements ── */

/* Glass Card */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

/* Cards */
.carte,
.card,
.dash-card,
.course-item,
.activity-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.carte:hover,
.card:hover,
.dash-card:hover,
.course-item:hover,
.activity-item:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-md);
}

/* Buttons */
.btn,
.btn-primary,
.btn-secondary,
.btn-ghost,
.btn-danger,
.btn-success,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:active,
.btn-primary:active,
.btn-secondary:active,
.btn-ghost:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--brand-gradient);
    color: #FFFFFF;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--brand-gradient);
    filter: brightness(1.1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.35);
}

.btn-secondary,
.btn-ghost {
    background-color: var(--bg-surface-alt);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background-color: var(--bg-surface-alt);
    color: var(--text-primary);
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    background-color: var(--brand-light);
}

.btn-danger {
    background-color: var(--accent-danger-light);
    color: var(--accent-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: var(--accent-danger);
    color: #FFFFFF;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.25);
}

.btn-success {
    background-color: var(--accent-emerald-light);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    background-color: var(--accent-emerald);
    color: #FFFFFF;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.25);
}

.btn-full {
    width: 100%;
}

/* Badges & Tags */
.role-badge,
.niveau {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
}

.role-badge {
    background-color: var(--accent-warning-light);
    color: var(--accent-warning);
    border: 1px solid rgba(245, 158, 11, 0.15);
}

.niveau {
    background-color: var(--brand-light);
    color: var(--brand-primary);
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.badge-niveau {
    display: inline-flex;
    background: var(--brand-gradient);
    color: #fff;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.82rem;
}

/* Form Styles */
form p {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

form label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

form input[type="text"],
form input[type="email"],
form input[type="password"],
form select,
form textarea,
input[type="email"],
input[type="password"],
input[type="text"],
select,
textarea {
    font-family: var(--font-sans);
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.7rem 0.9rem;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

form input:focus,
form select:focus,
form textarea:focus,
input:focus,
select:focus,
textarea:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

form input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--brand-primary);
    cursor: pointer;
}

.error-text {
    color: var(--accent-danger);
    font-size: 0.78rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

/* ── Top Header & Navbar ── */
.site-header {
    background-color: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 0.5rem 1.5rem;
    min-height: 4.5rem;
    gap: 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
}

.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: var(--brand-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.2);
}

.brand-logo {
    font-size: 24px;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-name {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.brand-tagline {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.1rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.main-nav a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.main-nav a:hover {
    background-color: var(--bg-surface-alt);
    color: var(--text-primary);
}

.main-nav a.active {
    color: var(--brand-primary);
    background-color: var(--brand-light);
}

.header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ── Toast Messages ── */
.messages-zone {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 380px;
    width: calc(100% - 4rem);
    pointer-events: none;
}

.message-item {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--brand-primary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ── Hero & Landing Page (Guest view) ── */
.home-hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    padding: 3rem 0;
}

@media (max-width: 992px) {
    .home-hero {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
}

.home-hero__copy {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.home-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--brand-light);
    color: var(--brand-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    width: fit-content;
}

@media (max-width: 992px) {
    .home-kicker {
        margin: 0 auto;
    }
}

.home-hero__copy h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    color: var(--text-primary);
}

.home-hero__copy h1 em {
    font-family: var(--font-serif);
    font-weight: 500;
    font-style: italic;
    color: var(--brand-primary);
}

.home-hero__copy p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.home-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

@media (max-width: 992px) {
    .home-actions {
        justify-content: center;
    }
}

/* Landing Visual Graphic */
.home-hero__visual {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.home-visual-card {
    height: 240px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.home-visual-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 0;
}

.home-visual-card:hover::before {
    transform: scale(1.08);
}

.home-visual-card--primary::before {
    background-image: url('../../images/home-circuit.jpg');
}

.home-visual-card--secondary::before {
    background-image: url('../../images/unnamed_-_2025-11-07T141254.530.webp');
}

.home-visual-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.1) 0%, rgba(15, 23, 42, 0.8) 100%);
    z-index: 1;
}

.home-visual-card__overlay--light {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.92) 100%);
}

[data-theme="dark"] .home-visual-card__overlay--light {
    background: linear-gradient(180deg, rgba(17, 23, 38, 0.15) 0%, rgba(17, 23, 38, 0.92) 100%);
}

.home-visual-card__content {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    z-index: 2;
    color: #FFFFFF;
}

.home-visual-label {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #818CF8;
    margin-bottom: 0.4rem;
}

.home-visual-label--dark {
    color: var(--brand-primary);
}

.home-visual-card h2 {
    color: #FFFFFF;
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.home-visual-card h3 {
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 600;
}

/* Bento Grid Panels (Guest / Home features) */
.home-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 4rem 0;
}

@media (max-width: 992px) {
    .home-pillars {
        grid-template-columns: 1fr;
    }
}

.home-panel {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition);
}

.home-panel:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-color-hover);
}

.feat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.feat-icon.teal {
    background-color: var(--accent-teal-light);
    color: var(--accent-teal);
}

.feat-icon.amber {
    background-color: var(--accent-warning-light);
    color: var(--accent-warning);
}

.feat-icon.blue {
    background-color: var(--brand-light);
    color: var(--brand-primary);
}

.home-panel h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.home-panel p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-grow: 1;
}

.home-panel a {
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.home-panel--image {
    position: relative;
    overflow: hidden;
    min-height: 220px;
    padding: 0;
}

.home-panel--image::before {
    content: '';
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 0;
}

.home-panel--image-dark::before {
    background-image: url('../../images/bento-components-bg.png');
}

.home-panel--image-light::before {
    background-image: url('../../images/robotics-for-beginners-v3.webp');
}

.home-panel--image:hover::before {
    transform: scale(1.08);
}

.home-panel__shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.85) 0%, rgba(99, 102, 241, 0.3) 100%);
    z-index: 1;
}

.home-panel__shade--soft {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.9) 0%, rgba(6, 182, 212, 0.35) 100%);
}

.home-panel__content {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    z-index: 2;
    color: #FFFFFF;
}

.home-panel__content h3 {
    color: #FFFFFF;
}

.home-panel__eyebrow {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.25rem;
}

/* Premium Gallery Grid */
.home-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .home-gallery {
        grid-template-columns: 1fr;
    }
}

.home-gallery-card {
    height: 280px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.home-gallery-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 0;
}

.home-gallery-card--robot::before {
    background-image: url('../../images/AI-text-to-image-photo-robot-with-computer.webp');
}

.home-gallery-card--kit::before {
    background-image: url('../../images/1-1-768x768_533x.png');
}

.home-gallery-card--kid::before {
    background-image: url('../../images/enfant-faisant-robot_23-2148863405.avif');
}

.home-gallery-card:hover::before {
    transform: scale(1.08);
}

.home-gallery-card:hover {
    box-shadow: var(--shadow-lg);
}

.home-gallery-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0) 20%, rgba(15, 23, 42, 0.85) 100%);
    z-index: 1;
}

.home-gallery-card__content {
    position: absolute;
    bottom: 1.75rem;
    left: 1.75rem;
    right: 1.75rem;
    z-index: 2;
    color: #FFFFFF;
}

.home-gallery-card__content span {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #A5B4FC;
    display: block;
    margin-bottom: 0.25rem;
}

.home-gallery-card__content h3 {
    color: #FFFFFF;
    font-size: 1.25rem;
    font-weight: 700;
}

/* Bottom CTA Panel */
.home-bottom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 4rem;
}

@media (max-width: 768px) {
    .home-bottom {
        grid-template-columns: 1fr;
    }
}

.home-bottom__card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
}

/* ── Progress Bar Custom Styles ── */
.home-progress-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.section-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.progress-course {
    background: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.progress-course:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-glow);
}

.progress-course-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.25rem;
}

.progress-course-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.progress-bar-track {
    height: 8px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar-fill {
    height: 100%;
    background: var(--brand-gradient);
    border-radius: var(--radius-full);
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-pct {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--brand-primary);
    text-align: right;
}

.resume-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem;
    background-color: var(--accent-emerald-light);
    color: var(--accent-emerald);
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-top: 1.5rem;
    transition: var(--transition);
}

.resume-btn:hover {
    background-color: var(--accent-emerald);
    color: #FFF;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.home-bottom__card--accent {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(99, 102, 241, 0.02) 100%);
    border-color: rgba(99, 102, 241, 0.2);
}

.section-title {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.section-title--light {
    color: var(--brand-primary);
}

.home-bottom__card h2 {
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.home-bottom__card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ── Student Dashboard (Logged In view) ── */
.home-progress-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.progress-course {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1rem;
    background-color: var(--bg-surface-alt);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.progress-course-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.progress-course-name:hover {
    color: var(--brand-primary);
}

.progress-course-sub {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.progress-bar-track {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0.25rem 0;
}

.progress-bar-fill {
    height: 100%;
    background: var(--brand-gradient);
    border-radius: var(--radius-full);
}

.progress-pct {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-primary);
    align-self: flex-end;
}

.resume-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--brand-primary);
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.resume-btn:hover {
    color: var(--brand-hover);
}

/* Dashboard Statistics row */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon-wrapper.primary {
    background-color: var(--brand-light);
    color: var(--brand-primary);
}

.stat-icon-wrapper.teal {
    background-color: var(--accent-teal-light);
    color: var(--accent-teal);
}

.stat-icon-wrapper.emerald {
    background-color: var(--accent-emerald-light);
    color: var(--accent-emerald);
}

.stat-icon-wrapper.warning {
    background-color: var(--accent-warning-light);
    color: var(--accent-warning);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
}

/* Dashboard Tabbed Sections */
.dashboard-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.dashboard-tab-btn {
    background: transparent;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    transition: var(--transition);
}

.dashboard-tab-btn:hover {
    color: var(--text-primary);
}

.dashboard-tab-btn.active {
    color: var(--brand-primary);
}

.dashboard-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--brand-gradient);
    border-radius: var(--radius-full);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

/* Dashboard Content Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.7fr 1.3fr;
    gap: 2rem;
}

@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Recent Activity */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.activity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--brand-primary);
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.activity-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.activity-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.activity-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.activity-time {
    font-size: 0.72rem;
    color: var(--text-light);
}

/* Profile Badge & Gamification styles */
.badge-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.35rem;
}

.badge-icon {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: var(--bg-surface-alt);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
}

.badge-item.active .badge-icon {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-color: var(--brand-primary);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.badge-name {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
}

/* ── Auth Cards Layout (Login / Register) ── */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: 0 auto;
    min-height: calc(100vh - 12rem);
}

.auth-carte {
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    background-color: var(--bg-surface);
    margin: 0 auto;
}

.auth-carte h2 {
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    text-align: center;
}

.auth-carte p {
    margin-top: 1.5rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-align: center;
}

.auth-carte a {
    font-weight: 700;
}

/* ── Course Catalogue Grid & Cards ── */
.grille-cours {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.75rem;
    margin-top: 1.5rem;
}

.carte-cours {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition);
}

.carte-cours:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-color-hover);
}

.carte-cours h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.carte-cours .niveau {
    align-self: flex-start;
}

.carte-cours .resume {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    flex-grow: 1;
}

.carte-cours .btn {
    margin-top: 0.5rem;
}

/* ── Learning layout (Chapter detail & Side navigation) ── */
.apprentissage-shell {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
}

@media (max-width: 992px) {
    .apprentissage-shell {
        grid-template-columns: 1fr;
    }
}

.apprentissage-sidebar {
    position: sticky;
    top: 6rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (max-width: 992px) {
    .apprentissage-sidebar {
        position: static;
    }
}

.sidebar-card--course {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.sidebar-card--course h2 {
    font-size: 1.35rem;
    margin-top: 0.25rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.sidebar-meta {
    margin-bottom: 0.75rem;
}

.sidebar-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-chapter {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.sidebar-chapter-link {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    border-left: 4px solid transparent;
    transition: var(--transition);
    background-color: var(--bg-surface);
}

.sidebar-chapter-link:hover {
    background-color: var(--bg-surface-alt);
    border-left-color: var(--brand-primary);
}

.sidebar-chapter-index {
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--brand-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-chapter-link strong {
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.3;
}

/* Sidebar Documents */
.sidebar-doc-list {
    padding: 0 1.25rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-surface);
}

.sidebar-doc-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-top: 0.75rem;
}

.sidebar-doc-type {
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.sidebar-doc-link {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.45rem 0.65rem;
    border-radius: var(--radius-sm);
    background-color: var(--bg-surface-alt);
    border: 1px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-doc-link:hover {
    border-color: var(--border-color-hover);
    background-color: var(--brand-light);
    color: var(--brand-primary);
}

.sidebar-empty {
    margin-top: 0.75rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Learning Content Panel */
.apprentissage-contenu {
    min-width: 0;
}

.content-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
    .content-card {
        padding: 1.5rem;
    }
}

.content-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 576px) {
    .content-hero {
        flex-direction: column;
        align-items: stretch;
    }
}

.content-hero h2 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-top: 0.25rem;
}

.content-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 600;
}

.content-breadcrumb a {
    color: var(--text-secondary);
}

.content-breadcrumb a:hover {
    color: var(--brand-primary);
}

.rich-copy {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.75;
    margin-bottom: 2rem;
}

/* Video Frame wrapper */
.media-card {
    background-color: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin: 2rem 0;
}

.media-card__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.media-card__head h3 {
    font-size: 1.05rem;
    font-weight: 700;
}

.video-frame {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background-color: #000000;
    box-shadow: var(--shadow-md);
}

.video-frame iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* PDF Embedded frame */
.doc-group {
    margin-top: 2rem;
}

.doc-group__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.doc-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.doc-preview {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.doc-preview-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.doc-preview h5 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-top: 0.15rem;
}

.doc-description {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.doc-embed-shell {
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface-alt);
    margin: 1rem 0;
}

.doc-fallback {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ── Interactive AI Chat / Tuteur IA ── */
.ia-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1.5rem;
    max-width: 1120px;
    margin: 1.5rem auto;
    height: calc(100vh - 10rem);
}

@media (max-width: 900px) {
    .ia-shell {
        grid-template-columns: 1fr;
        height: auto;
    }
}

.ia-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ia-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.ia-card .lbl {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-primary);
    margin-bottom: 0.35rem;
}

.ia-card h2 {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

.ia-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

.score-val {
    font-size: 2.25rem;
    font-weight: 800;
    text-align: center;
    color: var(--text-primary);
    margin: 0.25rem 0;
}

.prog-track {
    height: 8px;
    background-color: var(--bg-surface-alt);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0.5rem 0;
}

.prog-fill {
    height: 100%;
    background-color: var(--accent-danger);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.score-lbl {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-align: center;
}

.iter-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0.5rem 0;
}

.iter-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    transition: var(--transition);
}

.iter-dot.done {
    background-color: var(--brand-primary);
    box-shadow: 0 0 5px var(--brand-primary);
}

.iter-dot.current {
    background-color: var(--accent-cyan);
    transform: scale(1.2);
}

.ia-back {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0.25rem;
}

.ia-back:hover {
    color: var(--brand-primary);
}

/* Chat box area */
.ia-chat-area {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow: hidden;
}

.ia-chat-hdr {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem 1.5rem;
    background: var(--brand-gradient);
    border-radius: var(--radius-md);
    color: #FFFFFF;
    box-shadow: var(--shadow-md);
}

.ia-chat-hdr .av {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.ia-chat-hdr .inf h3 {
    color: #FFFFFF;
    font-size: 0.95rem;
    font-weight: 700;
}

.ia-chat-hdr .inf p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.72rem;
}

.ia-chat-hdr .qcount {
    margin-left: auto;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 700;
}

.ia-msgs {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background-color: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (max-width: 900px) {
    .ia-msgs {
        height: 50vh;
    }
}

.bubble {
    max-width: 80%;
    padding: 0.85rem 1.2rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.6;
    word-break: break-word;
    box-shadow: var(--shadow-sm);
    animation: fadeUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bubble.ai {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.bubble.user {
    background: var(--brand-gradient);
    color: #FFFFFF;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.15);
}

.bubble.sys {
    background-color: var(--accent-emerald-light);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--accent-emerald);
    align-self: center;
    font-size: 0.8rem;
    text-align: center;
    max-width: 90%;
    font-weight: 600;
}

.bubble.warn {
    background-color: var(--accent-warning-light);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--accent-warning);
    align-self: center;
    font-size: 0.8rem;
    text-align: center;
    max-width: 90%;
    font-weight: 600;
}

.bubble.err {
    background-color: var(--accent-danger-light);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
    align-self: center;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Typing indicator */
.typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0.65rem 1rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    border-bottom-left-radius: 4px;
    align-self: flex-start;
}

.typing span {
    width: 6px;
    height: 6px;
    background-color: var(--text-muted);
    border-radius: 50%;
    animation: blink 1.2s infinite;
}

.typing span:nth-child(2) {
    animation-delay: .2s;
}

.typing span:nth-child(3) {
    animation-delay: .4s;
}

@keyframes blink {

    0%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-5px);
    }
}

.ia-input-bar {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.ia-input-bar textarea {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
    font-family: inherit;
    resize: none;
    min-height: 42px;
    max-height: 120px;
    outline: none;
    background-color: var(--bg-surface-alt);
    color: var(--text-primary);
}

.ia-input-bar textarea:focus {
    border-color: var(--brand-primary);
    background-color: var(--bg-surface);
}

.ia-send {
    background: var(--brand-gradient);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0 1.25rem;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    align-self: flex-end;
    height: 42px;
    transition: var(--transition);
}

.ia-send:hover:not(:disabled) {
    filter: brightness(1.1);
}

.ia-send:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.ia-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0 0.5rem;
}

/* End of Session Panel */
.fin-panel {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.4s ease;
}

.fin-panel h3 {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
}

.fin-panel p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.btn-fin {
    display: inline-flex;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-decoration: none;
}

.btn-qcm {
    background: var(--accent-emerald);
    color: #FFFFFF;
}

.btn-qcm:hover {
    filter: brightness(1.1);
}

.btn-retour {
    background: var(--bg-surface-alt);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    margin-left: 0.5rem;
}

.btn-retour:hover {
    background-color: var(--border-color);
}

.btn-revis {
    background: var(--accent-warning);
    color: #FFFFFF;
}

.btn-revis:hover {
    filter: brightness(1.1);
}

/* ── Interactive Quiz / QCM ── */
.qcm-shell {
    max-width: 760px;
    margin: 2rem auto;
}

.qcm-hdr {
    background: var(--brand-gradient);
    color: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-md);
}

.qcm-hdr .ic {
    font-size: 2.25rem;
}

.qcm-hdr h1 {
    color: #FFFFFF;
    font-size: 1.35rem;
    font-weight: 800;
}

.qcm-hdr p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.82rem;
}

.qcm-hdr .meta {
    margin-left: auto;
    text-align: right;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.9);
}

.qprog {
    background-color: var(--bg-surface-alt);
    border-radius: var(--radius-full);
    height: 8px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.qprog-fill {
    height: 100%;
    background-color: var(--brand-primary);
    border-radius: var(--radius-full);
    transition: width 0.4s ease;
}

.q-dots {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    justify-content: center;
}

.q-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    transition: var(--transition);
    cursor: pointer;
}

.q-dot.answered {
    background-color: var(--brand-primary);
}

.q-dot.current {
    background-color: var(--accent-cyan);
    transform: scale(1.3);
}

.q-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
    display: none;
    margin-top: 1.5rem;
}

.q-card.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.q-num {
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--brand-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.q-text {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.opt-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.opt {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-secondary);
    background-color: var(--bg-surface);
}

.opt:hover:not(.disabled) {
    border-color: var(--brand-primary);
    background-color: var(--brand-light);
    color: var(--text-primary);
}

.opt.selected {
    border-color: var(--brand-primary);
    background-color: var(--brand-light);
    color: var(--brand-primary);
    font-weight: 600;
}

.opt.correct {
    border-color: var(--accent-emerald);
    background-color: var(--accent-emerald-light);
    color: var(--accent-emerald);
    font-weight: 600;
}

.opt.wrong {
    border-color: var(--accent-danger);
    background-color: var(--accent-danger-light);
    color: var(--accent-danger);
}

.opt.disabled {
    cursor: default;
}

.opt-letter {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--bg-surface-alt);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.78rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.opt.selected .opt-letter {
    background-color: var(--brand-primary);
    color: #FFFFFF;
}

.opt.correct .opt-letter {
    background-color: var(--accent-emerald);
    color: #FFFFFF;
}

.opt.wrong .opt-letter {
    background-color: var(--accent-danger);
    color: #FFFFFF;
}

.expl {
    display: none;
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background-color: var(--accent-emerald-light);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--accent-emerald);
    line-height: 1.6;
}

.expl.show {
    display: block;
}

.expl.wrong-expl {
    background-color: var(--accent-danger-light);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
}

.q-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
}

.btn-nav {
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    border: none;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-prev {
    background-color: var(--bg-surface-alt);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-prev:hover:not(:disabled) {
    background-color: var(--border-color);
}

.btn-prev:disabled {
    opacity: 0.4;
    cursor: default;
}

.btn-next {
    background-color: var(--brand-primary);
    color: #FFFFFF;
}

.btn-next:hover:not(:disabled) {
    filter: brightness(1.1);
}

.btn-submit {
    background-color: var(--accent-emerald);
    color: #FFFFFF;
}

.btn-submit:hover:not(:disabled) {
    filter: brightness(1.1);
}

.btn-submit:disabled {
    opacity: 0.4;
    cursor: default;
}

/* Result Panel */
.result-panel {
    display: none;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-top: 1.5rem;
}

.result-panel.show {
    display: block;
    animation: fadeIn 0.4s ease;
}

.score-big {
    font-size: 4rem;
    font-weight: 800;
    margin: 0.5rem 0;
    letter-spacing: -0.04em;
}

.score-big.good {
    color: var(--accent-emerald);
}

.score-big.ok {
    color: var(--accent-warning);
}

.score-big.bad {
    color: var(--accent-danger);
}

.result-msg {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.result-sub {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.stats-row {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    margin: 1.5rem 0 2.25rem 0;
}

.stat-box {
    background-color: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.5rem;
    text-align: center;
    min-width: 100px;
}

.stat-box .val {
    font-size: 1.5rem;
    font-weight: 800;
}

.stat-box .lbl {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-action {
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.btn-green {
    background-color: var(--accent-emerald);
    color: #FFFFFF;
}

.btn-green:hover {
    filter: brightness(1.1);
}

.btn-orange {
    background-color: var(--accent-warning);
    color: #FFFFFF;
}

.btn-orange:hover {
    filter: brightness(1.1);
}

.btn-gray {
    background-color: var(--bg-surface-alt);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-gray:hover {
    background-color: var(--border-color);
}

/* ── Accordion Builder (Teacher view) ── */
.builder-accordion {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.builder-summary {
    padding: 1.25rem 1.75rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-surface-alt);
    font-weight: 700;
    list-style: none;
    user-select: none;
}

.builder-summary::-webkit-details-marker {
    display: none;
}

.builder-summary:hover {
    background-color: var(--border-color);
}

.builder-content {
    padding: 1.75rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-surface);
}

/* Modals */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.4);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    background-color: var(--bg-surface);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    width: calc(100% - 2rem);
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    animation: scaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes scaleIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ── Admin Dashboard Tables ── */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

th {
    background-color: var(--bg-surface-alt);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: 2px solid var(--border-color);
    text-align: left;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.88rem;
    color: var(--text-primary);
}

tr:hover td {
    background-color: var(--bg-surface-alt);
}

/* ── General Animations ── */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .header-inner {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        margin-left: 0;
    }

    .header-actions {
        margin-left: 0;
        justify-content: center;
    }
}

/* ── Logistics Utility & Layout Classes ── */
.logistics-grid {
    display: grid;
    grid-template-columns: minmax(280px, 38%) minmax(0, 62%);
    gap: 2rem;
    align-items: start;
}

@media (max-width: 768px) {
    .logistics-grid {
        grid-template-columns: 1fr;
    }
}

.w-full {
    width: 100%;
}

.mt-3 {
    margin-top: 0.75rem;
}

.m-0 {
    margin: 0;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.gap-sm {
    gap: 0.5rem;
}

.gap-xs {
    gap: 0.4rem;
}

.min-h-240 {
    min-height: 240px;
}

.actions-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 0;
    margin-bottom: 1rem;
}

.text-muted {
    color: var(--text-muted);
}

.flex-1 {
    flex: 1;
}

.is-active {
    background-color: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
}

.placeholder-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 200px;
    color: var(--text-muted);
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
}

.placeholder-card i {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.btn-sm {
    padding: 0.35rem 0.5rem !important;
    font-size: 0.85rem !important;
}

.btn-danger {
    color: #9b1c1c !important;
    border-color: #f5c2c7 !important;
}

.btn-danger:hover {
    background-color: #fdf2f2 !important;
}

.badge-disponible {
    background: #e6f7ef !important;
    color: #0c5a36 !important;
}

.badge-panne {
    background: #fff1f0 !important;
    color: #8b0000 !important;
}

.badge-maintenance {
    background: #fff7e6 !important;
    color: #7a4b00 !important;
}

.col-span-full {
    grid-column: 1 / -1;
}

.mt-2 {
    margin-top: 0.5rem;
}

/* ── Alias global des tokens legacy sur le design system ──
   Plusieurs feuilles (app.css, etc.) consomment des variables jamais définies.
   On les mappe ici sur les tokens officiels d'ia_premium.css : comme ces cibles
   sont déjà surchargées en [data-theme="dark"], les alias basculent tout seuls. */
:root {
    /* Texte */
    --texte: var(--text-primary);
    --texte-secondaire: var(--text-secondary);
    --text-main: var(--text-primary);

    /* Surfaces / fonds */
    --surface: var(--bg-surface);
    --surface-alt: var(--bg-surface-alt);
    --bg-page: var(--bg-app);
    --bg-elevated: var(--bg-surface);

    /* Bordures */
    --border: var(--border-color);
    --border-default: var(--border-color);
    --border-light: var(--border-color);
    --border-md: var(--border-color-hover);
    --bordure: var(--border-color);

    /* Marque */
    --brand: var(--brand-primary);
    --brand-mid: var(--brand-primary);
    --primaire: var(--brand-primary);
    --primary: var(--brand-primary);
    --primary-dark: var(--brand-hover);
    --primary-ultra-light: var(--brand-light);
    --secondary: var(--accent-teal);

    /* Échelle de gris -> mappée sur surfaces/textes pour s'inverser en dark */
    --gray-50: var(--bg-surface-alt);
    --gray-200: var(--border-color);
    --gray-300: var(--border-color-hover);
    --gray-500: var(--text-muted);
    --gray-600: var(--text-secondary);
    --gray-700: var(--text-secondary);
    --gray-800: var(--text-primary);
    --gray-900: var(--text-primary);
}

/* Variables removed, now using ia_premium.css */

.conteneur {
    width: min(100% - 2rem, 1200px);
    margin-inline: auto;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.carte {
    border-radius: 12px;
    padding: 1.25rem;
}

.auth-carte {
    max-width: 560px;
}

.actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* Module Apprentissage */

.grille-cours {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.carte-cours {
    background: var(--surface);
    border: 1px solid var(--bordure);
    border-radius: 12px;
    padding: 1.25rem;
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.carte-cours:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.carte-cours h3 {
    margin-top: 0;
    color: var(--primaire);
}

.niveau {
    display: inline-block;
    background: #e0f2f1;
    color: #00695c;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0.5rem 0;
}

.resume {
    color: var(--texte-secondaire);
    margin: 0.75rem 0;
    line-height: 1.5;
}

.lien-retour {
    display: inline-block;
    color: var(--primaire);
    text-decoration: none;
    margin-bottom: 1rem;
    font-weight: 600;
}

.lien-retour:hover {
    text-decoration: underline;
}

.meta-cours {
    margin: 1rem 0;
}

.badge-niveau {
    display: inline-block;
    background: linear-gradient(135deg, var(--primaire) 0%, #095c6a 100%);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
}

.description-cours {
    color: var(--texte-secondaire);
    line-height: 1.6;
    margin: 1.5rem 0;
}

.chapitres-liste {
    margin-top: 2rem;
}

.chapitre-item {
    background: #f9f9f7;
    border-left: 4px solid var(--primaire);
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 4px;
}

.chapitre-item h3 {
    margin-top: 0;
    color: var(--primaire);
}

.chapitre-item h3 a {
    color: var(--primaire);
    text-decoration: none;
}

.chapitre-item h3 a:hover {
    text-decoration: underline;
}

.documents-par-type {
    margin-top: 1rem;
}

.groupe-documents {
    margin-bottom: 1.25rem;
}

.label-type {
    font-weight: 700;
    color: #334e68;
    margin: 0.75rem 0 0.5rem 0;
    font-size: 0.95rem;
}

.liste-documents {
    list-style: none;
    margin: 0.5rem 0 0 0;
    padding: 0 0 0 1.5rem;
}

.liste-documents li {
    margin: 0.4rem 0;
}

.doc-lien {
    color: var(--primaire);
    text-decoration: none;
    font-weight: 500;
}

.doc-lien:hover {
    text-decoration: underline;
}

.video-bloc {
    margin-top: 1rem;
}

.btn-video {
    background: #d32f2f;
}

.btn-video:hover {
    background: #b71c1c;
}

.breadcrumb {
    color: var(--texte-secondaire);
    font-size: 0.9rem;
    margin: 1rem 0;
}

.breadcrumb a {
    color: var(--primaire);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}
.brand-logo {
    width: 150px;
    height: 150px;
    background-image: url('../../images/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .brand-logo {
        width: 32px;
        height: 32px;
    }
}

.description-chapitre {
    background: #f9f9f7;
    padding: 1rem;
    border-radius: 8px;
    color: var(--texte-secondaire);
    line-height: 1.6;
    margin: 1.5rem 0;
}

.video-section {
    background: #fff3e0;
    padding: 1.25rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    border-left: 4px solid #ff9800;
}

.video-section h3 {
    margin-top: 0;
    color: #e65100;
}

.documents-section {
    margin-top: 2rem;
}

.documents-section h3 {
    color: var(--primaire);
    border-bottom: 2px solid var(--primaire);
    padding-bottom: 0.5rem;
}

.groupe-type {
    margin-bottom: 1.5rem;
}

.titre-groupe {
    background: var(--primaire);
    color: #fff;
    padding: 0.65rem 1rem;
    border-radius: 6px;
    margin: 0;
    font-size: 1rem;
}

.liste-docs-detaillee {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 0 0;
}

.doc-item {
    background: #f9f9f7;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 6px;
    border-left: 3px solid var(--primaire);
}

.doc-header {
    margin-bottom: 0.5rem;
}

.doc-titre {
    color: var(--primaire);
    text-decoration: none;
    font-weight: 600;
}

.doc-titre:hover {
    text-decoration: underline;
}

.doc-description {
    margin: 0.5rem 0 0 0;
    color: var(--texte-secondaire);
    font-size: 0.9rem;
    line-height: 1.4;
}

.message-empty,
.message-vide {
    color: var(--texte-secondaire);
    text-align: center;
    padding: 2rem 1rem;
    font-style: italic;
}

@media (max-width: 640px) {
    .barre-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .barre-top nav {
        flex-wrap: wrap;
    }

    .grille-cours {
        grid-template-columns: 1fr;
    }

    .chapitres-liste {
        margin-top: 1rem;
    }
}

/* Coursera-like learning layout */

.apprentissage-shell {
    display: grid;
    grid-template-columns: minmax(280px, 25%) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.apprentissage-shell--single {
    grid-template-columns: minmax(0, 1fr);
}

.apprentissage-sidebar {
    position: sticky;
    top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-card,
.content-card {
    background: var(--surface);
    border: 1px solid var(--bordure);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.sidebar-card {
    padding: 1.25rem;
}

.sidebar-card h2,
.content-card h2 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.eyebrow {
    margin: 0 0 0.45rem 0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primaire);
}

.sidebar-meta {
    margin: 0 0 0.5rem 0;
    font-weight: 700;
    color: var(--texte);
}

.sidebar-text {
    margin: 0 0 1rem 0;
    color: var(--texte-secondaire);
    line-height: 1.55;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sidebar-chapter {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--bordure);
    border-radius: 14px;
    overflow: hidden;
}

.sidebar-chapter-link {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.95rem 1rem;
    color: var(--texte);
    text-decoration: none;
    border-left: 4px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.sidebar-chapter-link:hover {
    background: #f8fafc;
    border-left-color: var(--primaire);
}

.sidebar-chapter-index {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primaire);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sidebar-doc-list {
    padding: 0 1rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sidebar-doc-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.sidebar-doc-type {
    margin: 0;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--texte-secondaire);
}

.sidebar-doc-link {
    display: block;
    color: var(--texte);
    text-decoration: none;
    padding: 0.45rem 0.6rem;
    border-radius: 8px;
    background: #f8fafc;
    border: 1px solid transparent;
}

.sidebar-doc-link:hover {
    border-color: #cbd5e1;
    background: #eef6ff;
}

.sidebar-empty {
    margin: 0;
    color: var(--texte-secondaire);
    font-size: 0.9rem;
}

.apprentissage-contenu {
    min-width: 0;
}

.apprentissage-contenu--single {
    width: 100%;
}

.content-card {
    padding: 1.5rem;
}

.content-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.content-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--texte-secondaire);
    font-size: 0.9rem;
}

.content-breadcrumb a {
    color: var(--primaire);
    text-decoration: none;
}

.content-breadcrumb a:hover {
    text-decoration: underline;
}

.rich-copy {
    color: var(--texte-secondaire);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.media-card {
    border: 1px solid var(--bordure);
    border-radius: 14px;
    padding: 1rem;
    background: #fafcff;
    margin-bottom: 1.5rem;
}

.media-card__head,
.doc-preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.media-card__head h3,
.doc-group__title {
    margin: 0;
}

.video-frame {
    margin-top: 1rem;
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 12px;
    background: #0f172a;
}

.video-frame iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.docs-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.docs-stack > h3 {
    margin: 0;
    color: var(--primaire);
}

.doc-group {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.doc-group__title {
    font-size: 1.05rem;
    color: var(--texte);
}

.doc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.doc-preview {
    border: 1px solid var(--bordure);
    border-radius: 14px;
    padding: 1rem;
    background: #fff;
}

.doc-preview h5 {
    margin: 0;
    font-size: 1.05rem;
}

.doc-download {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--primaire);
    font-weight: 700;
    text-decoration: none;
}

.doc-download:hover {
    text-decoration: underline;
}

.doc-embed-shell {
    margin-top: 0.9rem;
    border: 1px solid var(--bordure);
    border-radius: 12px;
    overflow: hidden;
    background: #f8fafc;
}

.doc-embed-shell embed {
    display: block;
    width: 100%;
    height: 600px;
}

.doc-fallback {
    margin: 0.75rem 0 0 0;
    color: var(--texte-secondaire);
}

.course-empty {
    text-align: left;
}

@media (max-width: 900px) {
    .apprentissage-shell {
        grid-template-columns: 1fr;
    }

    .apprentissage-sidebar {
        position: static;
    }
}
/* ── ACCUEIL ── */
.accueil-hero-row {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    margin-bottom: 24px;
    align-items: stretch;
}

.hero-card {
    background: var(--brand);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-card::after {
    content: '';
    position: absolute;
    right: -40px; top: -40px;
    width: 220px; height: 220px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
}

.session-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.9);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.hero-card h2 {
    font-family: 'Newsreader', serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 10px;
}

.hero-card h2 em { font-style: italic; opacity: 0.85; }

.hero-card p {
    font-size: 15px;
    color: rgba(255,255,255,0.75);
    line-height: 1.6;
    margin-bottom: 28px;
}

.btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--brand);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 9px;
    text-decoration: none;
}

.btn-white:hover { opacity: 0.92; }

.progress-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.progress-course { margin-bottom: 18px; }
.progress-course:last-child { margin-bottom: 0; }
.progress-course-name {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--texte);
    text-decoration: none;
}

.progress-course-name:hover {
    color: var(--primaire);
    text-decoration: underline;
}
.progress-course-sub { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.progress-bar-track { height: 6px; background: var(--surface-alt); border-radius: 3px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 3px; background: var(--brand); }
.progress-pct { font-size: 11px; color: var(--text-muted); margin-top: 4px; text-align: right; }

.resume-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--brand-light);
    color: var(--brand);
    font-size: 13px;
    font-weight: 500;
    padding: 9px 14px;
    border-radius: 8px;
    text-decoration: none;
    margin-top: 20px;
}

.resume-btn:hover { background: #d3ece4; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.feat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: border-color 0.15s;
}

.feat-card:hover { border-color: var(--border-md); }

.feat-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}

.feat-icon.teal { background: #e1f5ee; }
.feat-icon.teal i { color: #1d9e75; font-size: 20px; }
.feat-icon.amber { background: #faeeda; }
.feat-icon.amber i { color: #854f0b; font-size: 20px; }
.feat-icon.blue { background: #e6f1fb; }
.feat-icon.blue i { color: #185fa5; font-size: 20px; }

.feat-title { font-size: 14px; font-weight: 500; margin-bottom: 5px; }
.feat-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.feat-link {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12px; color: var(--brand); margin-top: 12px;
    text-decoration: none; font-weight: 500;
}

/* ── GUEST ── */
.accueil-guest { max-width: 760px; margin: 0 auto; text-align: center; padding: 60px 0; }
.guest-eyebrow {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--brand-light); color: var(--brand);
    font-size: 12px; font-weight: 500; letter-spacing: 0.04em;
    padding: 4px 12px; border-radius: 20px;
    text-transform: uppercase; margin-bottom: 20px;
}
.accueil-guest h2 {
    font-family: 'Newsreader', serif;
    font-size: 40px; font-weight: 400;
    line-height: 1.2; letter-spacing: -0.02em;
    margin-bottom: 14px;
}
.accueil-guest h2 em { color: var(--brand); font-style: italic; }
.accueil-guest > .guest-hero > p {
    font-size: 16px; color: var(--text-muted); line-height: 1.6; margin-bottom: 32px;
}
.guest-ctas { display: flex; gap: 12px; justify-content: center; margin-bottom: 56px; }
.btn-brand {
    display: inline-flex; align-items: center; gap: 7px;
    background: var(--brand); color: #fff;
    font-size: 15px; font-weight: 500;
    padding: 11px 22px; border-radius: 9px; text-decoration: none;
}
.btn-brand:hover { background: var(--brand-mid); }
.btn-outline {
    display: inline-flex; align-items: center;
    border: 1px solid var(--border-md); color: var(--text-main);
    font-size: 15px; padding: 11px 22px; border-radius: 9px; text-decoration: none;
}
.btn-outline:hover { background: var(--surface-alt); }
.guest-features {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; text-align: left;
}
.guest-feat {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 20px;
    display: flex; gap: 14px; align-items: flex-start;
}

.section-micro-label {
    font-size: 12px; font-weight: 500; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px;
}

.empty-state { font-size: 13px; color: var(--text-muted); font-style: italic; }

/* ── HOME REDESIGN ── */
.home-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 1.5rem;
    align-items: stretch;
    margin-bottom: 1.5rem;
}

.home-hero__copy,
.home-hero__visual,
.home-band,
.home-panel,
.home-bottom__card {
    border-radius: 22px;
}

.home-hero__copy {
    position: relative;
    overflow: hidden;
    padding: 1.9rem;
    border: 1px solid rgba(13, 148, 136, 0.16);
    background:
        radial-gradient(circle at top right, rgba(240, 168, 76, 0.18), transparent 28%),
        linear-gradient(135deg, rgba(8, 47, 73, 0.98), rgba(15, 118, 110, 0.95));
    color: #fff;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
}

.home-hero__copy::before {
    content: '';
    position: absolute;
    inset: auto -80px -90px auto;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}

.home-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.home-hero__copy h1 {
    margin: 0;
    max-width: 10ch;
    font-family: 'Newsreader', serif;
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
}

.home-hero__copy p {
    max-width: 58ch;
    margin: 1rem 0 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.92rem;
    line-height: 1.6;
}

.home-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.home-actions .btn-primary {
    background: #fff;
    color: var(--brand);
}

.home-actions .btn-primary:hover {
    background: #effcf8;
}

.home-hero__visual {
    display: grid;
    grid-template-rows: minmax(300px, 1.35fr) minmax(150px, 0.65fr);
    gap: 1rem;
}

.home-visual-card,
.home-panel--image {
    position: relative;
    overflow: hidden;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.home-visual-card {
    min-height: 100%;
}

.home-visual-card--primary {
    background-image: url('../../images/home-circuit.jpg');
    min-height: 460px;
}

.home-visual-card--secondary {
    min-height: 240px;
    background-image: url('../../images/bento-components-bg.png');
}

.home-visual-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 15, 31, 0.06), rgba(8, 15, 31, 0.82));
}

.home-visual-card__overlay--light {
    background: linear-gradient(180deg, rgba(10, 22, 31, 0.04), rgba(10, 22, 31, 0.56));
}

.home-visual-card__content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    color: #fff;
    text-shadow: 0 3px 16px rgba(0, 0, 0, 0.48);
}

.home-visual-card__content h2,
.home-visual-card__content h3 {
    margin: 0.25rem 0 0;
    font-family: 'Newsreader', serif;
    line-height: 1.05;
}

.home-visual-card__content h2 {
    font-size: clamp(1.2rem, 1.6vw, 1.55rem);
    max-width: 11ch;
}

.home-visual-card__content h3 {
    font-size: 1rem;
    max-width: 14ch;
}

.home-visual-card__content p {
    max-width: 34ch;
    margin-top: 0.75rem;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.55;
}

.home-visual-label {
    display: inline-flex;
    width: fit-content;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.home-visual-label--dark {
    background: rgba(15, 23, 42, 0.78);
}

.home-visual-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.home-visual-note {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.15rem;
    border-radius: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    box-shadow: 0 14px 32px rgba(16, 59, 158, 0.74);
}

.home-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
    gap: 1.25rem;
    align-items: end;
    padding: 1.2rem 1.35rem;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, #ffffff, #f6fbfb);
    border: 1px solid var(--border);
    box-shadow: 0 16px 38px rgba(15, 23, 42, 0.05);
}

.home-band h2,
.home-bottom__card h2,
.home-panel h3 {
    margin: 0;
    font-family: 'Newsreader', serif;
    letter-spacing: -0.02em;
}

.home-band h2 {
    max-width: 16ch;
    font-size: clamp(1.2rem, 1.9vw, 1.7rem);
}

.home-band__text {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.65;
}

.section-title {
    margin: 0 0 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--primaire);
}

.section-title--light {
    color: rgba(255, 255, 255, 0.72);
}

.home-pillars {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.home-panel {
    position: relative;
    overflow: hidden;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 14px 32px rgba(22, 32, 56, 0.856);
}

.home-panel p {
    color: var(--text-muted);
    line-height: 1.6;
}

.home-panel a {
    color: var(--primaire);
    text-decoration: none;
    font-weight: 700;
}

.home-panel a:hover {
    text-decoration: underline;
}

.home-panel--image {
    min-height: 300px;
}

.home-panel--image-dark {
    background-image: url('../../images/1-1-768x768_533x.png');
    background-position: center center;
}

.home-panel--image-light {
    background-image: url('../../images/blog_18.jpg');
    background-position: center;
}

.home-panel__shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 15, 25, 0.08), rgba(6, 15, 25, 0.88));
}

.home-panel__shade--soft {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(17, 24, 39, 0.58));
}

.home-panel__content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.46);
}

.home-panel__content h3 {
    font-size: 1rem;
    max-width: 15ch;
    color: inherit;
}

.home-panel__eyebrow {
    margin: 0 0 0.35rem 0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.76rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.74);
}

.home-bottom {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.home-bottom__card {
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.05);
}

.home-bottom__card h2 {
    font-size: clamp(1.15rem, 1.8vw, 1.55rem);
    margin-bottom: 0.8rem;
}

.home-bottom__card p {
    color: var(--text-muted);
    line-height: 1.65;
    margin: 0.5rem 0 0;
}

.home-bottom__card--accent {
    background: linear-gradient(135deg, var(--primaire), #0b5d6f);
    color: #fff;
}

.home-bottom__card--accent p,
.home-bottom__card--accent h2 {
    color: #fff;
}

.home-bottom__card--accent .btn-primary {
    margin-top: 1rem;
    background: #fff;
    color: var(--primaire);
}

.home-bottom__card--accent .btn-primary:hover {
    background: #effcf8;
}

@media (max-width: 1100px) {
    .home-hero,
    .home-band,
    .home-bottom {
        grid-template-columns: 1fr;
    }

    .home-pillars {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .home-hero__copy,
    .home-hero__visual,
    .home-band,
    .home-bottom__card,
    .home-panel {
        border-radius: 18px;
    }

    .home-hero__copy {
        padding: 1.35rem;
    }

    .home-pillars {
        grid-template-columns: 1fr;
    }

    .home-hero__copy h1 {
        max-width: 100%;
        font-size: 1.9rem;
    }

    .home-band h2,
    .home-bottom__card h2,
    .home-panel__content h3,
    .home-visual-card__content h2,
    .home-visual-card__content h3 {
        max-width: 100%;
    }
}
.home-hero__copy h1 em {
    font-style: italic;
    opacity: 0.82;
}

.home-hero__copy .btn-ghost {
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.88);
    border-color: rgba(255, 255, 255, 0.22);
}

.home-hero__copy .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.home-hero__copy .btn-primary,
.home-actions .btn-primary {
    background: #fff;
    color: var(--brand);
}

.home-hero__copy .btn-primary:hover,
.home-actions .btn-primary:hover {
    background: #effcf8;
}

.home-progress-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.06);
}

.home-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.home-gallery-card {
    position: relative;
    overflow: hidden;
    min-height: 200px;
    border-radius: 22px;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    border: 1px solid var(--border);
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.05);
}

.home-gallery-card--robot {
    background-image: url('../../images/AI-text-to-image-photo-robot-with-computer.webp');
}

.home-gallery-card--kit {
    background-image: url('../../images/unnamed_-_2025-11-07T141254.530.webp');
}

.home-gallery-card--kid {
    background-image: url('../../images/enfant-faisant-robot_23-2148863405.avif');
}

.home-gallery-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 15, 31, 0.08), rgba(8, 15, 31, 0.82));
}

.home-gallery-card__overlay--soft {
    background: linear-gradient(180deg, rgba(8, 15, 31, 0.04), rgba(8, 15, 31, 0.72));
}

.home-gallery-card__content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.15rem;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.home-gallery-card__content span {
    display: inline-flex;
    width: fit-content;
    margin-bottom: 0.4rem;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.home-gallery-card__content h3 {
    margin: 0;
    font-family: 'Newsreader', serif;
    font-size: 1.05rem;
    line-height: 1.08;
    max-width: 14ch;
}

.home-gallery-card--kit .home-gallery-card__content h3,
.home-gallery-card--kid .home-gallery-card__content h3 {
    max-width: 16ch;
}

@media (max-width: 1100px) {
    .home-progress-card {
        border-radius: 18px;
    }

    .home-gallery {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .home-progress-card {
        border-radius: 14px;
        padding: 1rem;
    }

    .home-gallery {
        grid-template-columns: 1fr;
    }
}

/* Dashboard action cards */
.dash-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}
.dash-card {
    background: var(--surface);
    border: 1px solid var(--bordure);
    border-radius: 12px;
    padding: 1rem;
    min-width: 220px;
    flex: 1 1 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.dash-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08); }
.dash-card .title { font-weight: 700; color: var(--primaire); margin-bottom: 0.5rem; }
.dash-card .muted { color: var(--texte-secondaire); font-size: 0.95rem; }
.dash-card .cta { margin-top: 0.75rem; }
/* RECOVERED BASE.HTML STYLES */


        /* ============================================
           MODERN REDESIGN - Preserves all functionality
        ============================================ */
        
        :root {
            --primary: #0D9488;
            --primary-dark: #0F766E;
            --primary-light: #CCFBF1;
            --primary-ultra-light: #F0FDFA;
            --secondary: #4F46E5;
            --secondary-light: #EEF2FF;
            --accent: #F59E0B;
            
            --gray-50: #F8FAFC;
            --gray-100: #F1F5F9;
            --gray-200: #E2E8F0;
            --gray-300: #CBD5E1;
            --gray-400: #94A3B8;
            --gray-500: #64748B;
            --gray-600: #475569;
            --gray-700: #334155;
            --gray-800: #1E293B;
            --gray-900: #0F172A;
            
            --bg-page: var(--gray-50);
            --bg-surface: #FFFFFF;
            --bg-elevated: var(--gray-50);
            --text-primary: var(--gray-900);
            --text-secondary: var(--gray-600);
            --text-muted: var(--gray-500);
            --border-light: var(--gray-200);
            --border-default: var(--gray-300);
            
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
            
            --transition: all 0.2s ease;
        }
        
        [data-theme="dark"] {
            --bg-page: var(--gray-900);
            --bg-surface: var(--gray-800);
            --bg-elevated: var(--gray-700);
            --text-primary: #F1F5F9;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-light: var(--gray-700);
            --border-default: var(--gray-600);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
        
        /* Header */
        .site-header {
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 0 24px;
            height: 64px;
        }
        
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            flex-shrink: 0;
        }
        
        .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .brand-logo {
            color: white;
            font-size: 20px;
        }
        
        .brand-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        .brand-tagline {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        
        /* Navigation */
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }
        
        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .main-nav a i {
            font-size: 18px;
        }
        
        .main-nav a:hover {
            background: var(--bg-elevated);
            color: var(--text-primary);
        }
        
        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-ultra-light);
        }
        
        [data-theme="dark"] .main-nav a.active {
            background: rgba(13, 148, 136, 0.15);
        }
        
        /* Header Actions */
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .role-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #FEF3C7;
            color: #92400E;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
        }
        
        [data-theme="dark"] .role-badge {
            background: rgba(245, 158, 11, 0.15);
            color: #FBBF24;
        }
        
        .account-avatar {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 13px;
            font-weight: 600;
        }
        
        /* Buttons */
        .btn-ghost {
            background: transparent;
            border: 1px solid var(--border-default);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            font-family: inherit;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-ghost:hover {
            background: var(--bg-elevated);
            color: var(--text-primary);
        }
        
        .btn-primary {
            background: var(--primary);
            border: none;
            padding: 8px 20px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
            color: white;
            cursor: pointer;
            font-family: inherit;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        
        /* Messages - Toast style */
        .messages-zone {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 380px;
            pointer-events: none;
        }
        
        .message-item {
            pointer-events: auto;
            background: var(--bg-surface);
            border-left: 4px solid var(--primary);
            border-radius: 12px;
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-lg);
            font-size: 13px;
            color: var(--text-primary);
            animation: slideInRight 0.3s ease;
        }
        
        @keyframes slideInRight {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        /* Main content */
        .site-main {
            max-width: 1280px;
            margin: 0 auto;
            padding: 32px 24px 64px;
            min-height: calc(100vh - 65px);
        }
        
        /* Responsive */
        @media (max-width: 900px) {
            .header-inner {
                padding: 0 16px;
                gap: 16px;
                flex-wrap: wrap;
                height: auto;
                padding: 12px 16px;
            }
            
            .brand-tagline {
                display: none;
            }
            
            .main-nav {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 4px;
            }
            
            .main-nav::-webkit-scrollbar {
                display: none;
            }
            
            .header-actions {
                margin-left: auto;
            }
            
            .site-main {
                padding: 20px 16px 40px;
            }
        }
        
        @media (max-width: 640px) {
            .main-nav a {
                padding: 6px 10px;
                font-size: 12px;
            }
            
            .btn-primary, .btn-ghost {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        /* Profile Dropdown Container */
        .profile-dropdown-container {
            position: relative;
            display: inline-block;
        }

        /* Profile Capsule Button */
        .profile-capsule-trigger {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 4px 4px 4px 12px;
            border-radius: 9999px;
            border: 1px solid var(--border-light);
            background: var(--bg-surface);
            cursor: pointer;
            transition: var(--transition);
            outline: none;
            height: 38px;
        }

        .profile-capsule-trigger:hover {
            background: var(--bg-elevated);
            border-color: var(--border-default);
            box-shadow: var(--shadow-sm);
        }

        .profile-capsule-info {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            line-height: 1.1;
        }

        .profile-capsule-name {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .profile-capsule-badge {
            font-size: 8px;
            font-weight: 800;
            padding: 1px 4px;
            border-radius: 3px;
            margin-top: 1px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .profile-capsule-badge.badge-admin {
            background: #DBEAFE;
            color: #1E40AF;
        }

        .profile-capsule-badge.badge-formateur {
            background: #FEF3C7;
            color: #92400E;
        }

        .profile-capsule-badge.badge-eleve {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* Avatar inside Capsule */
        .profile-capsule-avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            overflow: hidden;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 11px;
            font-weight: 700;
            flex-shrink: 0;
            border: 1px solid var(--border-light);
        }

        .profile-capsule-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Dropdown Menu styling */
        .profile-dropdown-menu {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 220px;
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            padding: 6px;
            display: none;
            flex-direction: column;
            gap: 2px;
            z-index: 1000;
        }

        .profile-dropdown-menu.is-open {
            display: flex;
        }

        /* Dropdown items */
        .dropdown-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            text-decoration: none;
            border-radius: 8px;
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            cursor: pointer;
        }

        .dropdown-item:hover {
            background: var(--bg-elevated);
            color: var(--primary);
        }

        .dropdown-item i {
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .dropdown-item:hover i {
            color: var(--primary);
        }

        .dropdown-divider {
            height: 1px;
            background: var(--border-light);
            margin: 6px 0;
        }

        /* Logout button specific styling */
        .dropdown-item.logout-btn {
            color: #ef4444;
        }

        .dropdown-item.logout-btn:hover {
            background: rgba(239, 68, 68, 0.05);
            color: #ef4444;
        }

        .dropdown-item.logout-btn i {
            color: #f87171;
        }

        .dropdown-item.logout-btn:hover i {
            color: #ef4444;
        }

        /* ============================================
           NOTIFICATIONS DROPDOWN
        ============================================ */
        .notifications-dropdown-container {
            position: relative;
            display: inline-flex;
        }

        .notifications-dropdown-menu {
            position: absolute;
            top: calc(100% + 8px);
            right: -80px;
            width: 320px;
            max-height: 480px;
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg, 12px);
            box-shadow: var(--shadow-lg);
            display: none;
            flex-direction: column;
            z-index: 1000;
            overflow: hidden;
            animation: dropdownFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
        }

        @keyframes dropdownFadeIn {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .notifications-dropdown-menu.is-open {
            display: flex;
        }

        .notifications-dropdown-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            background: var(--bg-elevated, var(--gray-50));
        }

        .notifications-dropdown-header h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .mark-all-read-btn {
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .mark-all-read-btn:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .notifications-dropdown-list {
            overflow-y: auto;
            max-height: 360px;
            display: flex;
            flex-direction: column;
        }

        .notifications-dropdown-item {
            display: flex;
            gap: 12px;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            text-decoration: none;
            transition: var(--transition);
            background: transparent;
        }

        .notifications-dropdown-item:hover {
            background: var(--bg-elevated, var(--gray-50));
        }

        .notifications-dropdown-item.unread {
            background: rgba(13, 148, 136, 0.03);
            border-left: 3px solid var(--primary);
            padding-left: 13px;
        }

        .notif-dropdown-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 15px;
        }

        .notif-dropdown-icon.icon-active { background: #ECFDF5; color: #10B981; }
        .notif-dropdown-icon.icon-qcm { background: #EEF2FF; color: #4F46E5; }
        .notif-dropdown-icon.icon-cours { background: #EFF6FF; color: #3B82F6; }
        .notif-dropdown-icon.icon-signup { background: #F5F3FF; color: #8B5CF6; }
        .notif-dropdown-icon.icon-default { background: #FFFBEB; color: #F59E0B; }

        .notif-dropdown-content {
            display: flex;
            flex-direction: column;
            flex: 1;
            min-width: 0;
        }

        .notif-dropdown-title-row {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 3px;
        }

        .notif-dropdown-title {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .notif-dropdown-age {
            font-size: 10px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .notif-dropdown-text {
            font-size: 11px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .notifications-dropdown-empty {
            padding: 32px 16px;
            text-align: center;
            color: var(--text-muted);
        }

        .notifications-dropdown-empty i {
            font-size: 24px;
            margin-bottom: 8px;
            display: inline-block;
        }

        .notifications-dropdown-empty p {
            font-size: 12px;
            margin: 0;
        }

        .notifications-dropdown-footer {
            padding: 10px 16px;
            text-align: center;
            border-top: 1px solid var(--border-light);
            background: var(--bg-elevated, var(--gray-50));
        }

        .notifications-dropdown-footer a {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        .notifications-dropdown-footer a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
    


/* ==========================================================================
   HTMX Stability Fixes (Prevent layout shrinking/repositioning)
   ========================================================================== */
.htmx-request {
    opacity: 0.7;
    transition: opacity 200ms ease-in-out;
    pointer-events: none;
}

/* Ensure containers don't collapse when content is being swapped */
[hx-target], [hx-swap] {
    min-height: min-content;
}

.chapitre-detail-container, .tuteur-rag-card, #validation-button-container {
    min-height: 100px;
}