* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #FFE5E5 0%, #E5F1FF 100%);
            padding: 20px;
        }

        .quiz-container {
            background-color: white;
            border-radius: 15px;
            padding: 30px;
            width: 100%;
            max-width: 600px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        .progress-bar {
            height: 5px;
            background-color: #e0e0e0;
            border-radius: 10px;
            margin-bottom: 30px;
            overflow: hidden;
        }

        .progress {
            height: 100%;
            background: linear-gradient(to right, #FFB5B5, #B5D8FF);
            transition: width 0.3s ease;
            width: 0%;
        }

        .step {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .step.active {
            display: block;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        h2 {
            color: #333;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

        .options {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }

        .option {
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .option:hover {
            border-color: #FFB5B5;
            background-color: #f8f9ff;
        }

        .option.selected {
            border-color: #667eea;
            background-color: #f8f9ff;
        }

        .option input[type="radio"] {
            display: none;
        }

        .buttons {
            display: flex;
            justify-content: space-between;
            gap: 15px;
        }

        button {
            padding: 12px 25px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .prev-btn {
            background-color: #e0e0e0;
            color: #333;
        }

        .next-btn {
            background-color: #FFB5B5;
            color: white;
        }

        .prev-btn:hover:not(:disabled) {
            background-color: #d0d0d0;
        }

        .next-btn:hover:not(:disabled) {
            background-color: #FFA0A0;
        }

        .result {
            text-align: center;
            display: none;
        }

        .result h2 {
            color: #FFB5B5;
            margin-bottom: 15px;
        }

        .result p {
            color: #666;
            margin-bottom: 20px;
        }

        .restart-btn {
            background-color: #667eea;
            color: white;
            width: 100%;
        }