body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f4f4f9;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }
        #quiz-container {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            width: 100%;
        }
        .question-block {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        h3 { color: #333; }
        .options {
            display: grid;
            gap: 10px;
            margin-top: 15px;
        }
        button {
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
            background: white;
            cursor: pointer;
            transition: all 0.2s;
            font-size: 16px;
            text-align: left;
        }
        button:hover:not(:disabled) {
            background-color: #f0f0f0;
            border-color: #bbb;
        }
        /* Style po kliknięciu */
        button.correct {
            background-color: #d4edda !important;
            border-color: #28a745 !important;
            color: #155724;
            font-weight: bold;
        }
        button.wrong {
            background-color: #f8d7da !important;
            border-color: #dc3545 !important;
            color: #721c24;
        }
        button:disabled {
            cursor: default;
        }
        .quiz-footer {
            margin-top: 40px;
            padding: 20px 0;
            text-align: center;
            color: #666;
            width: 100%;
        }

        .footer-content {
            max-width: 600px;
            margin: 0 auto;
        }

        .footer-line {
            border: 0;
            height: 1px;
            background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0));
            margin-bottom: 20px;
        }

        .quiz-footer p {
            margin: 5px 0;
            font-size: 14px;
        }

        .footer-subtext {
            font-size: 12px;
            opacity: 0.8;
        }

        /* Opcjonalny efekt hover na autora */
        .quiz-footer strong {
            color: #444;
            transition: color 0.3s ease;
        }

        .quiz-footer:hover strong {
            color: #007bff; /* Subtelny kolor medyczny */
        }