/* ============================================
   DESIGN SYSTEM - Variables CSS
   ============================================ */
:root {
    /* Couleurs principales */
    --color-primary: rgb(35, 138, 203);
    --color-primary-dark: rgb(19, 77, 113);
    --color-primary-light: rgb(86, 190, 236);
    
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    
    --color-accent: rgb(227, 137, 0);
    --color-accent-dark: rgb(197, 102, 3);
    
    /* Couleurs neutres */
    --color-neutral-50: #f8fafc;
    --color-neutral-100: #f1f5f9;
    --color-neutral-200: #e2e8f0;
    --color-neutral-300: #cbd5e1;
    --color-neutral-400: #94a3b8;
    --color-neutral-500: #64748b;
    --color-neutral-600: #475569;
    --color-neutral-700: #334155;
    --color-neutral-800: #1e293b;
    --color-neutral-900: #0f172a;
    
    /* Couleurs sémantiques */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-infoline: #f2f3a5;
    
    /* Typographie */
    --font-family: Roboto;
    --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;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Espacements */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Rayons de bordure */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-neutral-800);
    background-color: var(--color-neutral-50);
}

a {
    color: inherit;
    text-decoration: none;
}

/* ============================================
   LAYOUT - Container
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background-color: white;
    border-bottom: 1px solid var(--color-neutral-200);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: var(--spacing-8);
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-600);
    transition: color var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(95deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-4) 0;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    color: var(--color-neutral-50);
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main {
    padding: var(--spacing-16) 0;
    /*min-height: calc(100vh - 400px);*/
    min-height: 80vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   MODULES GRID
   ============================================ */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .modules-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   MODULE CARD
   ============================================ */
.module-card {
    background: white;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.module-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.module-card:hover .module-icon {
    background-color: var(--color-primary);
    color: white;
}

/* Status Badge */
.status-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.status-connected {
    background-color: #dcfce7;
    color: #166534;
    animation: pulse 2s ease-in-out infinite;
}

.status-disconnected {
    background-color: #fee2e2;
    color: #991b1b;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}

@keyframes pulse {
	0%, 100% { transform: scale(1); opacity: 1;}
	50% { transform: scale(1.10); }
}

/* Module Content */
.module-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-neutral-900);
}

.module-description {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-600);
    line-height: 1.5;
    flex-grow: 1;
}

.module-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.module-link:hover {
    gap: var(--spacing-3);
    color: var(--color-primary-dark);
}

.module-link svg {
    transition: transform var(--transition-base);
}

.module-link:hover svg {
    transform: translateX(4px);
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-neutral-300);
    padding: var(--spacing-8) 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer-text {
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-6);
}

.footer-link {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-400);
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: white;
}

/* ============================================
   Gestion des boutons d'actions
   ============================================ */
.btn {
    background-color: var( --color-primary-dark);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 5px;
}

.btn:hover {
    background-color: #1e3f73;
    transform: translateY(-2px);
}

.btn:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #545b62;
}

.btn-success {
    background-color: #28a745;
}

.btn-success:hover {
    background-color: #1e7e34;
}

/* ============================================
   Badge DEMO
   ============================================ */
.demo-badge {
	position: fixed;
	top: 10px;
	right: 20px;
	/* background: linear-gradient(0deg, var(--color-accent) 0%, var(--color-accent-dark) 100%); */
    background: var(--color-accent-dark);
	color: white;
	padding: 0.75rem 1.5rem;
	border-radius: 50px;
	font-weight: 700;
	font-size: 0.9rem;
	box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
	z-index: 1000;
	animation: pulse 2s ease-in-out infinite;
    cursor: not-allowed;
}

@keyframes pulse {
	0%, 100% { transform: scale(1); }
	50% { transform: scale(1.05); }
}

/* ============================================
   Badge Back Button
   ============================================ */
.back-btn {
    position: fixed;
    top: 80px;
    left: 15px;
    background-color: rgba(44, 90, 160, 0.9);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-btn:hover {
    background-color: rgba(30, 63, 115, 0.9);
}

/* ================================
   GESTION DES INFO-BULLES
   ============================= */

/* 1. Conteneur de l'infobulle (inchangé) */
.tooltip-container {
    position: relative; 
    display: inline-block; 
    cursor: help; 
}

/* 2. Style de l'infobulle elle-même (le texte) - MODIFIÉ POUR SE POSITIONNER EN DESSOUS */
.tooltip-container::after {
    content: attr(data-tooltip); 
    position: absolute;
    /* MODIFICATION CLÉ : Positionne l'infobulle 5px sous l'élément parent */
    top: calc(100% + 0px); 
    left: 80%;
    transform: translateX(-50%); 
    background-color: #d89222f0; 
    color: white;
    text-align: center;
    padding: 5px 8px;
    border-radius: 4px;
    white-space: nowrap; 
    z-index: 1000; 
    /* Masquage et transition (inchangés) */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

/* 3. Style de la petite flèche (Triangle) - MODIFIÉ POUR POINTER VERS LE HAUT */
.tooltip-container::before {
    content: "";
    position: absolute;
    /* Positionne la flèche 5px sous l'élément parent */
    top: 100%;  
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid; 
    /* Crée un petit triangle pointant vers le HAUT */
    border-color: transparent transparent #333 transparent;  
    /* Masquage (inchangé) */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

/* 4. Affichage au survol (inchangé) */
.tooltip-container:hover::after,
.tooltip-container:hover::before {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .nav {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}