/* --- CHARTE GRAPHIQUE SELIM AKLIL --- */
        :root {
            --color-brand-orange: #FA8334;
            --color-brand-yellow: #F4B648;
            --color-brand-blue: #02008D;
            --color-brand-green-dark: #8CD7AC;
            --color-teal-link: #02008D;
            --color-gray-50: #f9fafb;
            --color-gray-100: #f3f4f6;
            --color-gray-200: #e5e7eb;
            --color-gray-300: #d1d5db;
            --color-gray-400: #9ca3af;
            --color-gray-600: #374151;
            --color-gray-700: #1f2937;
            --color-gray-800: #111827;
            --color-gray-900: #030712;
            --font-inter: 'Inter', sans-serif;
        }
        @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
        
        body {
            font-family: 'Inter', sans-serif;
            background-color: #fafaf9; /* Stone 50 - Warm Neutral */
            color: #1c1917; /* Stone 900 */
        }

        /* Custom Scrollbar for cleaner look */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f5f5f4; 
        }
        ::-webkit-scrollbar-thumb {
            background: #d6d3d1; 
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #a8a29e; 
        }

        .chart-container {
            position: relative;
            width: 100%;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            height: 300px;
            max-height: 400px;
        }

        @media (min-width: 768px) {
            .chart-container {
                height: 350px;
            }
        }

        /* Tab Transitions */
        .tab-content {
            display: none;
            animation: fadeIn 0.4s ease-in-out;
        }
        .tab-content.active {
            display: block;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }

        /* Stepper Logic */
        .step-active .step-circle { background-color: #02008D; color: white; border-color: #02008D; }
        .step-active .step-line { background-color: #02008D; }

        /* Quiz Logic Styles */
        .quiz-option {
            transition: all 0.2s;
        }
        .quiz-option:hover {
            background-color: #f5f5f4;
        }
        .quiz-option.selected {
            border-color: #02008D;
            background-color: #f0fdfa;
            color: #02008D;
            font-weight: 600;
        }
        .quiz-feedback {
            display: none;
        }
        .quiz-feedback.visible {
            display: block;
            animation: fadeIn 0.3s;
        }
        
        /* Toggle Switch */
        .toggle-checkbox:checked {
            right: 0;
            border-color: #02008D;
        }
        .toggle-checkbox:checked + .toggle-label {
            background-color: #02008D;
        }
        
        .transition-height {
            transition: max-height 0.5s ease-in-out, opacity 0.5s ease-in-out;
        }