body {
            background-color: #0a0a12;
            color: #ffffff;
            font-family: 'Arial', sans-serif;
        }
        .quiz-container {
            background-color: #1a1a24;
            border: 2px solid #2d2d3a;
            box-shadow: 0 0 15px rgba(147, 51, 234, 0.2);
        }
        .answer-btn {
            transition: all 0.3s ease;
        }
        .answer-btn:hover {
            background-color: #3a1a4a;
            transform: scale(1.02);
        }
        .correct {
            background-color: #2d0f4a !important;
        }
        .wrong {
            background-color: #4a0f0f !important;
        }
        .progress-bar {
            height: 10px;
            background-color: #2d2d3a;
            border-radius: 5px;
            overflow: hidden;
        }
        .progress-fill {
            height: 100%;
            background-color: #8b5cf6;
            transition: width 0.5s ease;
        }
        .candle-flicker {
            animation: flicker 2s infinite;
        }
        @keyframes flicker {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.8; }
        }