/* ===== VARIABLES CSS PROFESSIONNELLES ===== */
:root {
    /* Couleurs BNP Paribas et Prime Analytics */
    --color-primary: #00925B;           /* Vert BNP */
    --color-primary-light: #00B366;
    --color-primary-dark: #006B43;
    --color-secondary: #1E3A8A;        /* Bleu professionnel */
    --color-accent: #F59E0B;           /* Orange accent */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    /* Nuances de gris élégantes */
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Couleurs de fond */
    --bg-primary: #FFFFFF;
    --bg-secondary: var(--color-gray-50);
    --bg-tertiary: var(--color-gray-100);
    --bg-dark: var(--color-gray-900);
    
    /* Typographie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Rayons de bordure */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Dimensions */
    --header-height: 120px;
    --tabs-height: 60px;
}

/* ===== RESET ET BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}

/* ===== HEADER FIXE PROFESSIONNEL ===== */
.header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
    height: calc(var(--header-height) - 8px);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.logo-bnp, .logo-prime, .company-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
    letter-spacing: 0.05em;
}

.logo-left, .logo-right {
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-name {
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    font-weight: 700;
}

.bnp-icon, .prime-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.header-center {
    text-align: center;
}

.header-center h1 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    line-height: 1.2;
}

.subtitle {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.instructor {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.logo-right {
    text-align: right;
}

/* Barre de progression */
.progress-container {
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-warning));
    width: 0%;
    transition: width var(--transition-slow);
    border-radius: 0 4px 4px 0;
}

/* ===== NAVIGATION PAR ONGLETS ===== */
.tabs-navigation {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    height: var(--tabs-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.tabs-container {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tabs-container::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.tab-btn:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.tab-btn.active {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px 2px 0 0;
}

.tab-btn i {
    font-size: 1rem;
}

/* Contrôles globaux */
.global-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.control-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== CONTENU PRINCIPAL ===== */
.main-content {
    margin-top: calc(var(--header-height) + var(--tabs-height));
    min-height: calc(100vh - var(--header-height) - var(--tabs-height));
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== ONGLET ACCUEIL ===== */
.welcome-section {
    max-width: 1200px;
    margin: 0 auto;
}

.welcome-hero {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.welcome-hero h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    max-width: 800px;
    margin: 0 auto;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.overview-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-gray-200);
}

.overview-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.card-icon.risk {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.card-icon.calculation {
    background: linear-gradient(135deg, var(--color-secondary), #1E40AF);
}

.card-icon.analysis {
    background: linear-gradient(135deg, var(--color-accent), #D97706);
}

.overview-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-md);
}

.overview-card p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Modules de formation */
.modules-section {
    margin-bottom: var(--spacing-3xl);
}

.modules-section h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-gray-800);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.modules-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.module-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
}

.module-item:hover {
    transform: translateX(8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.module-number {
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.module-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-xs);
}

.module-content p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

.module-formula {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    background: var(--color-gray-100);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: var(--color-primary-dark);
}

.module-arrow {
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.module-item:hover .module-arrow {
    color: var(--color-primary);
    transform: translateX(4px);
}

/* Bouton de démarrage */
.start-section {
    text-align: center;
}

.start-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.start-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.start-btn:active {
    transform: translateY(0);
}

/* ===== MODULES DE CALCUL ===== */
.module-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gray-200);
}

.module-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}

.module-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-sm);
}

.module-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: 1.7;
}

.module-layout {
    display: grid;
    gap: var(--spacing-lg);
}

/* Section théorique collapsible */
.collapsible .section-header {
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast);
}

.collapsible .section-header:hover {
    color: var(--color-primary);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.section-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-800);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toggle-icon {
    transition: transform var(--transition-fast);
}

.toggle-icon.rotated {
    transform: rotate(180deg);
}

.section-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
}

.theory-content {
    display: grid;
    gap: var(--spacing-lg);
}

.theory-item h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.theory-item p, .theory-item li {
    color: var(--color-gray-700);
    line-height: 1.7;
}

.theory-item ul {
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.theory-item li {
    margin-bottom: var(--spacing-xs);
}

/* Section formule */
.formula-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
}

.formula-display {
    text-align: center;
}

.formula-main {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--color-gray-800);
    padding: var(--spacing-sm);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-family: 'Courier New', monospace;
}

.formula-fraction {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin: 0 var(--spacing-xs);
}

.numerator, .denominator {
    display: block;
    padding: var(--spacing-xs);
}

.numerator {
    border-bottom: 2px solid var(--color-gray-600);
}

.formula-parentheses {
    color: var(--color-primary);
}

.formula-breakdown h4 {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

.breakdown-steps {
    display: grid;
    gap: var(--spacing-sm);
}

.step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-align: left;
}

.step-number {
    width: 30px;
    height: 30px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.step-content {
    font-family: 'Courier New', monospace;
    color: var(--color-gray-700);
}

/* Section pratique */
.practice-section {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
}

.calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.inputs-panel, .results-panel {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.input-group {
    margin-bottom: var(--spacing-lg);
}

.input-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.enhanced-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background: var(--bg-primary);
}

.enhanced-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 146, 91, 0.1);
}

.input-help {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

.tooltip {
    position: relative;
    cursor: help;
    color: var(--color-gray-400);
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-gray-800);
    color: white;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    z-index: 1000;
}

.preset-buttons {
    margin-top: var(--spacing-lg);
}

.preset-buttons h4 {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

.preset-btn {
    display: inline-block;
    margin: var(--spacing-xs) var(--spacing-xs) var(--spacing-xs) 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-gray-200);
    color: var(--color-gray-700);
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-btn:hover {
    background: var(--color-primary);
    color: white;
}

.result-display {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.result-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.result-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.result-unit {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.secondary-results {
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.secondary-result {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
}

.secondary-result .label {
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
}

.secondary-result .value {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--font-size-base);
    font-family: 'Courier New', monospace;
}

.formula-step {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.formula-step strong {
    color: var(--color-primary);
    margin-right: var(--spacing-sm);
}

.maturity-analysis, .capital-analysis {
    background: var(--color-gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-top: var(--spacing-md);
}

.calculation-steps, .interpretation {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

/* Graphiques */
.chart-container {
    height: 400px;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

/* Navigation entre modules */
.module-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.nav-btn.primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.nav-btn.primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-btn.secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.nav-btn.secondary:hover {
    background: var(--color-gray-300);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .header-content {
        grid-template-columns: auto 1fr auto;
        gap: var(--spacing-md);
    }
    
    .header-center h1 {
        font-size: var(--font-size-xl);
    }
    
    .calculator-layout {
        grid-template-columns: 1fr;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 100px;
        --tabs-height: 50px;
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .tabs-container {
        gap: var(--spacing-xs);
    }
    
    .tab-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .tab-btn span {
        display: none;
    }
    
    .module-item {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-md);
    }
    
    .module-arrow {
        display: none;
    }
    
    .welcome-hero h2 {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
}

/* ===== THÈME SOMBRE ===== */
[data-theme="dark"] {
    --bg-primary: var(--color-gray-800);
    --bg-secondary: var(--color-gray-900);
    --bg-tertiary: var(--color-gray-700);
    --color-gray-800: var(--color-gray-100);
    --color-gray-700: var(--color-gray-200);
    --color-gray-600: var(--color-gray-300);
}

[data-theme="dark"] body {
    background-color: var(--bg-secondary);
    color: var(--color-gray-100);
}

[data-theme="dark"] .section-content,
[data-theme="dark"] .practice-section,
[data-theme="dark"] .formula-section {
    background: var(--bg-primary);
    border-color: var(--color-gray-600);
}

/* ===== ANIMATIONS ET EFFETS ===== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.loading {
    animation: pulse 2s infinite;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

/* ===== STYLES POUR FORMULE TOUJOURS VISIBLE ===== */
.formula-display-always {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    overflow: hidden;
}

.formula-display-always h3 {
    background: var(--color-primary);
    color: white;
    padding: 1rem 1.5rem;
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.formula-display-always .formula-main {
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    padding: 0.8rem;
    background: linear-gradient(135deg, #f0f8ff, #e6f3ff);
    border-bottom: 3px solid var(--color-primary);
    font-family: 'Times New Roman', serif;
    line-height: 1.2;
}

/* ===== STYLES POUR BLOC D'INTERPRÉTATION ===== */
.interpretation-section {
    margin-top: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--color-accent);
    overflow: hidden;
}

.interpretation-header {
    background: linear-gradient(135deg, var(--color-accent), #F59E0B);
    color: white;
    padding: 1rem 1.5rem;
    margin: 0;
}

.interpretation-header h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.interpretation-content {
    padding: 1.5rem;
}

.interpretation-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-gray-200);
}

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

.interpretation-item h5 {
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.interpretation-item p {
    color: var(--color-gray-700);
    line-height: 1.5;
    margin: 0;
}

.risk-level {
    font-weight: 600;
    color: var(--color-primary);
}

/* ===== STYLES POUR ÉTAPES DE CALCUL AMÉLIORÉES ===== */
.steps-header {
    background: var(--color-gray-100);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0 0 0;
    border-radius: 8px 8px 0 0;
    border-bottom: 2px solid var(--color-primary);
}

.steps-header h4 {
    margin: 0;
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.steps-content {
    background: white;
    padding: 1.5rem;
    border-radius: 0 0 8px 8px;
    border: 1px solid var(--color-gray-200);
    border-top: none;
}

.step {
    background: var(--color-gray-50);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
    font-family: 'Inter', monospace;
    line-height: 1.4;
}

.step:last-child {
    margin-bottom: 0;
}

.step.final {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border-left-color: var(--color-accent);
    font-weight: 600;
}

.step strong {
    color: var(--color-primary);
}

.step.final strong {
    color: var(--color-accent);
}

/* ===== RESPONSIVE POUR NOUVELLES SECTIONS ===== */
@media (max-width: 768px) {
    .formula-display-always .formula-main {
        font-size: 0.9rem;
        padding: 0.7rem;
    }
    
    .interpretation-content {
        padding: 1rem;
    }
    
    .interpretation-item {
        margin-bottom: 1rem;
    }
    
    .steps-content {
        padding: 1rem;
    }
    
    .step {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
}

/* ===== STYLES POUR INTERPRÉTATION INTÉGRÉE ===== */
.interpretation {
    margin-top: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f0f8ff, #e6f3ff);
    border-radius: 10px;
    border-left: 4px solid var(--color-accent);
}

.interpretation h4 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.interp-item {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
    color: var(--color-gray-700);
    line-height: 1.4;
}

.interp-item:last-child {
    margin-bottom: 0;
}

.interp-item strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== STYLES POUR GRAPHIQUES ===== */
.chart-container {
    margin-top: 1rem;
    background: white;
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.chart-container h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: center;
    justify-content: center;
}

.chart-container canvas {
    max-height: 280px;
}

/* ===== AJUSTEMENTS FORMULE BLOCK ===== */
.formula-block {
    width: 100%;
    margin-bottom: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

/* ===== SECTION BREAKDOWN PLIABLE ===== */
.formula-breakdown-section {
    border-top: 1px solid var(--color-gray-200);
}

.formula-header {
    background: var(--color-gray-100);
    color: var(--color-gray-800);
    padding: 1rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.formula-header:hover {
    background: var(--color-gray-200);
}

.formula-header h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.formula-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.formula-content {
    padding: 0;
    transition: all 0.3s ease;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
}

.formula-content:not(.collapsed) {
    padding: 2rem;
    max-height: 2000px;
    opacity: 1;
}

.formula-main {
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    padding: 0.8rem;
    background: linear-gradient(135deg, #f0f8ff, #e6f3ff);
    border-radius: 10px;
    margin-bottom: 0;
    border: 2px solid var(--color-primary);
    font-family: 'Times New Roman', serif;
    line-height: 1.2;
}

.toggle-icon.rotated {
    transform: rotate(180deg);
}

/* ===== RESPONSIVE POUR NOUVELLE STRUCTURE ===== */
@media (max-width: 768px) {
    .chart-container {
        padding: 1rem;
    }
    
    .chart-container h3 {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    
    .formula-main {
        font-size: 0.9rem;
        padding: 0.6rem;
    }
    
    .interpretation {
        padding: 1rem;
    }
    
    .interp-item {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }
}

/* ===== STYLES CALCULATEUR AMÉLIORÉ ===== */
.calculator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    padding: 0;
}

/* ===== SECTION INPUTS (GAUCHE) ===== */
.inputs {
    background: var(--color-gray-50);
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--color-gray-200);
}

.inputs::before {
    content: "📝 Variables d'Entrée";
    display: block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-primary);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--color-gray-800);
    font-size: 1rem;
}

.input-group input {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--color-gray-300);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 146, 91, 0.1);
}

.input-group small {
    font-size: 0.85rem;
    color: var(--color-gray-600);
    display: block;
    margin-top: 6px;
    font-style: italic;
}

/* ===== SECTION RÉSULTATS (DROITE) ===== */
.results {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--color-primary);
}

.results::before {
    content: "📊 Résultats de Calcul";
    display: block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-primary);
}

.result-main {
    text-align: center;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    padding: 2rem;
    border-radius: 10px;
}

/* ===== RÉSULTATS AVEC CODES COULEURS ===== */
.result-main.risk-low {
    background: linear-gradient(135deg, var(--color-success), #0D9488);
}

.result-main.risk-moderate {
    background: linear-gradient(135deg, var(--color-warning), #D97706);
}

.result-main.risk-high {
    background: linear-gradient(135deg, var(--color-error), #DC2626);
}

.result-main.risk-neutral {
    background: linear-gradient(135deg, var(--color-gray-500), var(--color-gray-600));
}

.result-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.result-unit {
    font-size: 0.8rem;
    opacity: 0.8;
}

.secondary-results {
    display: grid;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.secondary-result {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--color-gray-50);
    border-radius: 6px;
    border-left: 3px solid var(--color-primary);
}

.secondary-result span:first-child {
    font-weight: 600;
    color: var(--color-gray-700);
}

.secondary-result span:last-child {
    font-weight: bold;
    color: var(--color-primary);
}

/* ===== PRESETS ===== */
.presets {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-gray-300);
}

.presets h4 {
    margin-bottom: 1rem;
    color: var(--color-primary);
    font-size: 1rem;
}

.preset-btn {
    display: inline-block;
    margin: 0.25rem;
    padding: 10px 16px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.preset-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 146, 91, 0.3);
}

/* ===== CODES COULEURS POUR NIVEAUX DE RISQUE ===== */
.preset-btn.risk-low {
    background: var(--color-success);
    color: white;
}

.preset-btn.risk-low:hover {
    background: #0D9488;
    box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
}

.preset-btn.risk-moderate {
    background: var(--color-warning);
    color: white;
}

.preset-btn.risk-moderate:hover {
    background: #D97706;
    box-shadow: 0 4px 8px rgba(245, 158, 11, 0.3);
}

.preset-btn.risk-high {
    background: var(--color-error);
    color: white;
}

.preset-btn.risk-high:hover {
    background: #DC2626;
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
}

.preset-btn.risk-neutral {
    background: var(--color-gray-500);
    color: white;
}

.preset-btn.risk-neutral:hover {
    background: var(--color-gray-600);
    box-shadow: 0 4px 8px rgba(107, 114, 128, 0.3);
}

/* ===== RESPONSIVE CALCULATEUR ===== */
@media (max-width: 768px) {
    .calculator {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .inputs, .results {
        padding: 1.5rem;
    }
    
    .result-main {
        padding: 1.5rem;
    }
    
    .result-value {
        font-size: 2rem;
    }
}

/* ===== STYLES POUR LES ÉTAPES DE CALCUL ===== */
.steps-list {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.calculation-step {
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-gray-300);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.calculation-step.final-step {
    border-left-color: var(--color-primary);
    background: rgba(0, 146, 91, 0.05);
    font-weight: 600;
}

.calculation-step strong {
    color: var(--color-primary);
    font-family: var(--font-family);
}

/* ===== STYLES POUR L'INTERPRÉTATION ===== */
.interpretation-content {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.interpretation-content.success {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.3);
}

.interpretation-content.warning {
    background: rgba(245, 158, 11, 0.1);
    border: 2px solid rgba(245, 158, 11, 0.3);
}

.interpretation-content.error {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
}

.risk-badge {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.risk-badge.success {
    background: var(--color-success);
    color: white;
}

.risk-badge.warning {
    background: var(--color-warning);
    color: white;
}

.risk-badge.error {
    background: var(--color-error);
    color: white;
}

.risk-level {
    font-size: var(--font-size-base);
}

.risk-value {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.interpretation-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.correlation-range {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.range-info {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

/* ===== MESSAGES D'ERREUR ===== */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.error-message::before {
    content: '⚠️';
}

/* ===== NOTIFICATIONS ===== */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.notification-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.notification-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.notification-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
}

/* ===== MODE PRÉSENTATION ===== */
.presentation-mode .header-fixed,
.presentation-mode .tabs-navigation {
    transform: translateY(-100%);
    transition: transform var(--transition-slow);
}

.presentation-mode .main-content {
    margin-top: 0;
    padding: var(--spacing-lg);
    transition: margin-top var(--transition-slow);
}

.presentation-mode .module-header h2 {
    font-size: var(--font-size-4xl);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.presentation-mode .calculator-layout {
    grid-template-columns: 1fr;
    max-width: 800px;
    margin: 0 auto;
}

.presentation-mode .chart-container {
    height: 500px;
}

/* ===== ANIMATIONS SUPPLÉMENTAIRES ===== */
@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
    20%, 40%, 60%, 80% { transform: translateX(2px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* ===== AMÉLIORATIONS POUR LES GRAPHIQUES ===== */
.chart-container {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-200);
}

.chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* ===== PULSING ANIMATION FOR EMPTY INPUTS ===== */
@keyframes pulse-blue {
    0%, 100% {
        box-shadow: 0 0 15px rgba(0, 148, 255, 1);
        border: 3px solid rgba(0, 148, 255, 1);
        background-color: rgba(0, 148, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 148, 255, 1);
        border: 3px solid rgba(0, 148, 255, 0.5);
        background-color: rgba(0, 148, 255, 0.2);
    }
}

/* Blue pulsing for empty inputs */
.input-group input:placeholder-shown:not(:focus) {
    animation: pulse-blue 1.2s ease-in-out infinite;
    border-width: 3px;
}

/* Remove animation and add success styling when input has content */
.input-group input:not(:placeholder-shown):not([value=""]) {
    animation: none !important;
    border-color: var(--color-success) !important;
    border-width: 3px;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.6) !important;
    background-color: rgba(16, 185, 129, 0.1) !important;
}

/* Force no animation when input is focused and has content */
.input-group input:focus:not(:placeholder-shown) {
    animation: none !important;
    border-color: var(--color-primary) !important;
}

/* ===== RESPONSIVE AMÉLIORATIONS ===== */
@media (max-width: 640px) {
    .formula-main {
        font-size: 0.8rem;
        padding: 0.5rem;
        line-height: 1.1;
    }
    
    .calculator-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .inputs-panel, .results-panel {
        padding: var(--spacing-md);
    }
    
    .chart-container {
        height: 300px;
        padding: var(--spacing-md);
    }
    
    .risk-badge {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }
    
    .correlation-range {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

/* ===== STYLES SIMULATEUR GLOBAL ===== */
.global-dashboard {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.dashboard-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    border: 2px solid var(--color-gray-200);
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.1);
}

.dashboard-card.risk-low {
    border-color: var(--color-success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(16, 185, 129, 0.1));
}

.dashboard-card.risk-moderate {
    border-color: var(--color-warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(245, 158, 11, 0.1));
}

.dashboard-card.risk-high {
    border-color: var(--color-error);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), rgba(239, 68, 68, 0.1));
}

.dashboard-card.risk-neutral {
    border-color: var(--color-gray-400);
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.05), rgba(107, 114, 128, 0.1));
}

.card-header {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-gray-600);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 0.25rem;
    font-family: 'Courier New', monospace;
}

.card-unit {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

.global-summary {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--color-primary);
    margin-top: 2rem;
}

.global-summary h4 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

#global-summary-content {
    color: var(--color-gray-700);
    line-height: 1.6;
}

.summary-item {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
}

.summary-item strong {
    color: var(--color-primary);
    font-weight: 600;
}

.risk-indicator {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.risk-indicator.low {
    background: var(--color-success);
    color: white;
}

.risk-indicator.moderate {
    background: var(--color-warning);
    color: white;
}

.risk-indicator.high {
    background: var(--color-error);
    color: white;
}

.risk-indicator.neutral {
    background: var(--color-gray-500);
    color: white;
}

/* Responsive pour simulateur global */
@media (max-width: 768px) {
    .dashboard-row {
        grid-template-columns: 1fr;
    }
    
    .card-value {
        font-size: 1.5rem;
    }
    
    .global-summary {
        padding: 1rem;
    }
}

/* ===== CLASSES UTILITAIRES ===== */
.hidden { display: none !important; }
.visible { display: block !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.rounded { border-radius: var(--radius-md); }
.shadow { box-shadow: var(--shadow-md); }
.transition { transition: all var(--transition-normal); }

/* ===== FOOTER ===== */
.site-footer {
    background: #1a1a1a !important;
    color: #ffffff !important;
    margin-top: 4rem;
    border-top: 3px solid #F59E0B !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    clear: both;
    width: 100%;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 3rem 2rem 2rem;
}

.footer-section h4 {
    color: #F59E0B !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    margin-bottom: 1rem !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section p {
    color: #cccccc !important;
    font-size: 0.9rem !important;
    line-height: 1.5 !important;
    margin-bottom: 0.5rem !important;
}

.footer-section a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #cccccc;
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    transform: translateX(5px);
}

.footer-links a i {
    font-size: 0.85rem;
    width: 16px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid #333333 !important;
    background: #0f0f0f !important;
}

.footer-bottom-content {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: #888888;
    font-size: 0.85rem;
    margin: 0;
}

.footer-credit {
    color: var(--color-accent) !important;
    font-weight: 500;
}

/* Responsive Footer */
@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        padding: 2rem 1rem 1.5rem;
        gap: 1.5rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
    
    .footer-links a {
        font-size: 0.85rem;
    }
}