:root {
            --primary: #4a6fa5;
            --secondary: #166088;
            --accent: #4fc3f7;
            --light: #f8f9fa;
            --dark: #343a40;
            --success: #28a745;
            --warning: #ffc107;
        }
        
        * {
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            margin: 0;
            padding: 0;
            background-color: #f5f7fa;
            color: var(--dark);
            line-height: 1.6;
        }
        
        .container {
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            text-align: center;
            margin-bottom: 30px;
            padding: 20px 0;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        h1 {
            color: var(--secondary);
            margin-bottom: 10px;
        }
        
        .progress-container {
            width: 100%;
            background-color: #e9ecef;
            border-radius: 5px;
            margin: 20px 0;
            height: 10px;
        }
        
        .progress-bar {
            height: 100%;
            border-radius: 5px;
            background-color: var(--accent);
            width: 0%;
            transition: width 0.3s ease;
        }
        
        .quiz-container {
            background-color: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            margin-bottom: 30px;
        }
        
        .question {
            font-size: 1.2rem;
            margin-bottom: 20px;
            font-weight: 500;
        }
        
        .options {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
        }
        
        .option {
            padding: 15px;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .option:hover {
            border-color: var(--accent);
            background-color: #f8f9fa;
        }
        
        .option.selected {
            border-color: var(--primary);
            background-color: rgba(74, 111, 165, 0.1);
        }
        
        .btn {
            padding: 12px 25px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        
        .btn-primary {
            background-color: var(--primary);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: var(--secondary);
        }
        
        .btn-block {
            display: block;
            width: 100%;
            margin-top: 20px;
        }
        
        .result-container {
            display: none;
            background-color: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            text-align: center;
        }
        
        .result-title {
            color: var(--secondary);
            margin-bottom: 20px;
        }
        
        .career-path {
            margin-bottom: 30px;
        }
        
        .path-name {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .path-description {
            margin-bottom: 20px;
        }
        
        .subject-recommendations {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 20px;
        }
        
        .subject-list {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }
        
        .subject {
            background-color: var(--accent);
            color: white;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        
        .retake-btn {
            background-color: var(--warning);
            color: var(--dark);
        }
        
        .retake-btn:hover {
            background-color: #e0a800;
        }
        
        .chart-container {
            width: 100%;
            max-width: 500px;
            margin: 30px auto;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 10px;
            }
            
            .quiz-container, .result-container {
                padding: 20px;
            }
            
            .question {
                font-size: 1.1rem;
            }
        }