/* Stili di base */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #007bff;
    text-align: center;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 10px;
}

h4 {
    margin-top: 20px;
    color: #555;
}

/* Stili del Timer */
.timer-container {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: #dc3545; /* Rosso per l'urgenza */
}

/* Stili del Form Quiz (Domande e Opzioni) */
#quiz-form {
    padding: 20px 0;
}

.question-block {
    margin-bottom: 25px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #fafafa;
}

/* *** REGOLA CHIAVE PER LE OPZIONI IN COLONNA *** La classe .option-group viene generata dal JS attorno a <label>. 
   Impostando display: block; ogni label occupa una riga intera.
*/
.option-group {
    display: block; /* Ogni opzione su una riga separata */
    margin: 10px 0;
    padding: 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s, border-color 0.2s;
    border: 1px solid transparent;
}

/* Effetto al passaggio del mouse e al click/selezione */
.option-group:hover {
    background-color: #e9ecef;
}

.option-group input[type="radio"]:checked + span {
    font-weight: bold;
    color: #007bff;
}

/* Nasconde il radio button nativo */
.option-group input[type="radio"] {
    margin-right: 10px;
}

/* Stili dei risultati */
#result-area {
    margin-top: 30px;
    text-align: center;
}

#outcome-text {
    font-size: 1.8em;
    font-weight: bold;
    padding: 10px;
    border-radius: 5px;
    margin: 20px 0;
}

.passed {
    background-color: #d4edda;
    color: #155724;
}

.failed {
    background-color: #f8d7da;
    color: #721c24;
}

/* Riepilogo Risposte */
#summary-area {
    margin-top: 20px;
    text-align: left;
    border-top: 2px solid #e0e0e0;
    padding-top: 15px;
}

.summary-item {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 4px;
}

.summary-item strong {
    display: block;
    margin-bottom: 5px;
    font-size: 1.1em;
}

.summary-item.correct {
    border-left: 5px solid #28a745; /* Verde per corretto */
    background-color: #e6ffed;
}

.summary-item.incorrect {
    border-left: 5px solid #dc3545; /* Rosso per errato */
    background-color: #ffe6e6;
}

.correct-answer {
    color: #28a745;
    font-weight: bold;
}

/* Pulsanti */
.button-group button {
    padding: 10px 20px;
    margin: 5px;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s;
}

#restart-new-quiz, #repeat-same-quiz {
    background-color: #007bff;
    color: white;
}

#restart-new-quiz:hover, #repeat-same-quiz:hover {
    background-color: #0056b3;
}

/* Stili per elementi nascosti e info di navigazione */
.hidden {
    display: none !important;
}

#navigation-info {
    text-align: center;
    font-size: 0.9em;
    color: #6c757d;
    margin-bottom: 15px;
}