/* Stili globali e layout del corpo della pagina Questionario sulle comniche */
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 0;
            background-color: #f8f9fa;
            color: #333;
        }
        .container {
            max-width: 95%;
            width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background-color: white;
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
            border-radius: 8px;
            margin-top: 30px;
            margin-bottom: 30px;
            border-left: none;
        }
        .header-box {
            width: 100%;
            border: 2px dashed #28a745;
            box-sizing: border-box;
            padding: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: white;
            min-height: 80px;
            border-radius: 8px;
            margin-bottom: 25px;
            background: white;
        }
        .left-image, .right-image {
            max-height: 60px;
            height: auto;
            margin: 10px;
        }
       /* Modifica per ridurre lo spazio sopra e sotto il titolo */
.problem-title {
    font-size: 1.8em;
    font-weight: bold;
    color: black;
    margin: 0 0; /* Ridotto lo spazio a 5px sopra e sotto */
    text-align: center;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}
        .separator {
    border: 0;
    height: 2px;
    background: linear-gradient(to right, transparent, #28a745, transparent);
    margin: 0px 0 20px 0; /* MODIFICATO: margin-top 0, margin-bottom 20px. */
}
        .problem-text {
    font-weight: bold;
    margin-left: 8px;
    padding-left: 17px;
    margin-bottom: 15px; /* RIDOTTO: Era 25px. Spazio tra testo e separatore. */
    color: #2c3e50;
    font-size: 1.1em;
    line-height: 1.7;
}
        .solution {
            display: none;
            background-color: white;
            padding: 15px 15px 15px 25px;
            margin: 15px 0;
            border-left: 4px solid #28a745;
            border-radius: 0 5px 5px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            position: relative;
        }
        button {
            background-color: #a5d6a7;
            color: black;
            border: 2px solid #81c784;
            padding: 10px 20px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 14px;
            margin: 8px 4px;
            cursor: pointer;
            border-radius: 25px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            font-weight: 600;
        }
        button:hover {
            background-color: #81c784;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.15);
        }
        .solution-button-container {
    text-align: center;
    margin-top: 0; /* NUOVO: Rimuoviamo il margin-top del container del bottone */
    margin-bottom: 15px; /* Mantieni il margine inferiore se necessario */
}
        h3 {
            color: #28a745;
            border-bottom: none;
            padding-bottom: 0;
            margin-top: 30px;
            font-size: 1.4em;
        }
        .graph {
            text-align: center;
            margin: 25px 0;
            padding: 15px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            border: 1px solid #e9ecef;
        }
        .graph img {
            max-width: 100%;
            height: auto;
            border-radius: 5px;
        }
        .MathJax {
            font-size: 1.1em;
            color: #2c3e50;
        }
        a {
            text-decoration: none;
        }
        .question {
            background-color: #f8f9fa;
            padding: 15px 15px 15px 25px;
            margin: 0 0 20px 0;
            border-radius: 8px;
            border-left: 4px solid #0000FF; /* Colore cambiato in blu */
            position: relative;
        }
        .question .problem-text {
            color: #2c3e50;
        }
        .footer {
            text-align: center;
            margin-top: 5px; /* Era 40px, ora ridotto */
            padding-top: 5px;
        }
        .image-pair {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 20px 0;
            flex-wrap: wrap;
        }
        .image-pair img {
            max-width: 45%;
            height: auto;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        /* Stile per il bottone "Indice test" */
        #indiceTestButton {
            background-color: #007bff; /* Blu standard */
            color: white; /* Testo bianco per contrasto */
            border: 2px solid #0056b3; /* Bordo blu più scuro */
        }

        #indiceTestButton:hover {
            background-color: #0056b3; /* Blu più scuro al passaggio del mouse */
            border-color: #004085; /* Bordo ancora più scuro al passaggio del mouse */
        }