:root {
    /* Couleurs principales */
    --primary: #0097b2;
    --primary-dark: #007a8f;
    --primary-light: #00b4d8;
    --accent: #06d6a0;
    
    /* Arrière-plans */
    --bg-light: #f8fafc;
    --bg-body: #f9fafb;
    --bg-card: #ffffff;
    
    /* Textes */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    
    /* Bordures */
    --border: #e2e8f0;
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0097b2 0%, #007a8f 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 151, 178, 0.05) 0%, rgba(0, 180, 216, 0.08) 100%);
    
    /* Checkbox */
    --checkbox-checked-bg: linear-gradient(135deg, #0097b2 0%, #007a8f 100%);
    --checkbox-checked-border: #0097b2;
    --checkbox-border: #cbd5e1;
    
    /* Couleur de succès */
    --success-color: #0097b2;
    
    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Tailles de police */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
}

/* ===== VARIABLES CSS - DARK MODE ===== */
html.dark {
    /* Couleurs principales */
    --primary: #3d7a52;
    --primary-dark: #2f5e3f;
    --primary-light: #5fc48d;
    --accent: #3d7a52;
    
    /* Arrière-plans */
    --bg-light: #0f172a;
    --bg-body: #111827;
    --bg-card: #1e293b;
    
    /* Textes */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    
    /* Bordures */
    --border: #334155;
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3d7a52 0%, #2f5e3f 100%);
    --gradient-card: linear-gradient(135deg, rgba(61, 122, 82, 0.1) 0%, rgba(95, 196, 141, 0.15) 100%);
    
    /* Checkbox */
    --checkbox-checked-bg: linear-gradient(135deg, #3d7a52 0%, #2f5e3f 100%);
    --checkbox-checked-border: #3d7a52;
    --checkbox-border: #475569;
    
    /* Couleur de succès */
    --success-color: #3d7a52;
}

* {
    box-sizing: border-box;
}

/* ===== HTML ===== */
html {
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
    background-color: var(--bg-body);
}

/* ===== BODY - RESPONSIVE AVEC MARGES ADAPTATIVES ===== */
body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
    margin: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;

    /* Safe area pour les encoches / navigateurs mobiles en landscape */
    padding-top: calc(5.3rem + env(safe-area-inset-top));
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
    padding-left: calc(1rem + env(safe-area-inset-left));
    padding-right: calc(1rem + env(safe-area-inset-right));
}

/* .container {
   padding-top:;
   padding-bottom:;
   padding-left:;
   padding-right:;
   margin:;
   } */



/* ===== RESPONSIVE - MOBILE PAYSAGE / LANDSCAPE (orientation landscape) ===== */
@media screen and (max-height: 600px) and (orientation: landscape) {
    body {
        padding-top: calc(4.5rem + env(safe-area-inset-top));
        padding-bottom: calc(1rem + env(safe-area-inset-bottom));
        padding-left: calc(1rem + env(safe-area-inset-left));
        padding-right: calc(1rem + env(safe-area-inset-right));
    }
}

/* ===== RESPONSIVE - TABLETTE (768px - 1024px) ===== */
@media screen and (min-width: 768px) and (max-width: 1024px) {
    body {
        padding-top: calc(5.3rem + env(safe-area-inset-top));
        padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
        padding-left: calc(1rem + env(safe-area-inset-left));
        padding-right: calc(1rem + env(safe-area-inset-right));
    }
}

/* ===== RESPONSIVE - MOBILE (481px - 767px) ===== */
@media screen and (min-width: 481px) and (max-width: 767px) {
    body {
        padding-top: calc(5rem + env(safe-area-inset-top));
        padding-bottom: calc(1rem + env(safe-area-inset-bottom));
        padding-left: calc(0.5rem + env(safe-area-inset-left));
        padding-right: calc(0.5rem + env(safe-area-inset-right));
    }
}

/* ===== RESPONSIVE - MOBILE RÉDUIT (max 480px) ===== */
@media screen and (max-width: 480px) {
    body {
        padding-top: calc(5rem + env(safe-area-inset-top));
        padding-bottom: calc(1rem + env(safe-area-inset-bottom));
        padding-left: calc(0.5rem + env(safe-area-inset-left));
        padding-right: calc(0.5rem + env(safe-area-inset-right));
    }
}