:root {
    /* Palette violet pastel moderne */
    --primary: #a68dd2;
    --primary-hover: #8f76c7;
    --primary-light: #a78bfa;
    --primary-ultralight: #f3f0ff;
    
    --secondary: #7ea3ff;
    --secondary-light: #f472b6;
    
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Backgrounds */
    --bg-primary: #fefefe;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #ffffff;
    --bg-card: #ffffff;
    
    /* Text colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --text-white: #ffffff;
    
    /* Borders */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-strong: #94a3b8;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(139, 92, 246, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(139, 92, 246, 0.1), 0 2px 4px -1px rgba(139, 92, 246, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(139, 92, 246, 0.1), 0 4px 6px -2px rgba(139, 92, 246, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(139, 92, 246, 0.1), 0 10px 10px -5px rgba(139, 92, 246, 0.04);
    --shadow-hover: 0 20px 25px -5px rgba(139, 92, 246, 0.15), 0 10px 10px -5px rgba(139, 92, 246, 0.08);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    --gradient-hover: linear-gradient(135deg, var(--primary-hover) 0%, #d946ef 100%);
}

html.dark {
    --primary: #bb86fc;
    --primary-hover: #9b6fe7;
    --primary-light: #c4b5fd;
    --primary-ultralight: #1e1b24;
    
    --secondary: #f472b6;
    --secondary-light: #ec4899;
    
    --bg-primary: #1e1b24;
    --bg-secondary: #1a1a35;
    --bg-tertiary: #252547;
    --bg-card: #2a2733;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    
    --border-light: #334155;
    --border-medium: #475569;
    --border-strong: #64748b;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    
    --gradient-card: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-tertiary) 100%);
}

/* === Variables déjà définies par l'utilisateur === */

/* === Reset et base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    transition: all 0.3s ease;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--primary-hover);
}

/* === Conteneurs principaux === */
.container {
    max-width: 900px;
    margin: 80px auto 50px auto;
    padding: 20px;
}

.card {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 25px 20px;
    box-shadow: var(--shadow-md);
    transition: box-shadow 0.3s ease;
}

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

/* === Titres === */
h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

h2 {
    font-size: 1.5rem;
    color: var(--accent);
    margin-top: 30px;
    margin-bottom: 15px;
}

h3 {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 20px;
    margin-bottom: 10px;
}

/* === Paragraphes === */
p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

/* === Boutons === */
button {
    background: var(--primary);
    color: var(--text-white);
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

button:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-lg);
}

/* === Formulaires === */
input, select, textarea {
    width: 100%;
    padding: 10px 15px;
    margin-bottom: 15px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(166, 141, 210, 0.2);
}

/* === Listes === */
ul, ol {
    padding-left: 20px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 8px;
}

/* === Footers et petits textes === */
footer, .small-text {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-top: 30px;
    text-align: center;
}

/* === Tables simples === */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

th {
    background: var(--primary-ultralight);
    color: var(--text-primary);
}

/* === Dark mode support === */
html.dark body {
    background: var(--bg-primary);
    color: var(--text-primary);
}

html.dark .card {
    background: var(--bg-card);
    box-shadow: var(--shadow-md);
}

html.dark input, html.dark select, html.dark textarea {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}