/* ========================================
   VARIABLES & RESET
   ======================================== */
:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #141b34;
    --bg-card: #1a2238;
    --bg-hover: #22294a;
    
    --text-primary: #ffffff;
    --text-secondary: #9fa6bc;
    --text-muted: #6b7280;
    
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    
    --border-color: #2d3548;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}

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

body { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex; /* Nécessaire pour le layout sidebar */
}

h1 { font-size: 28px; font-weight: 700; color: var(--text-primary); margin-bottom: 24px; letter-spacing: -0.5px; }
h2 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin: 32px 0 16px; letter-spacing: -0.3px; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.container > * { animation: fadeIn 0.3s ease; }
.container > * { animation: fadeIn 0.3s ease; }