/* Stile per questionario monotonia-funzioni */

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;
}

.problem-title {
    font-size: 1.8em;
    font-weight: bold;
    color: black;
    margin: 25px 0 15px 0;
    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: 15px 0 25px 0;
}

.problem-text {
    font-weight: bold;
    margin-left: 8px;
    padding-left: 17px;
    margin-bottom: 25px;
    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;
}

.solution p {
    margin-bottom: 15px;
}

.solution ol, .solution ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.solution li {
    margin-bottom: 10px;
}

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);
}

button:focus {
    outline: 2px solid #28a745;
    outline-offset: 2px;
}

.solution-button-container {
    text-align: center;
    margin: 15px 0;
}

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;
    color: #007bff;
}

a:hover {
    text-decoration: underline;
}

.question {
    background-color: #f8f9fa;
    padding: 15px 15px 15px 25px;
    margin: 0 0 20px 0;
    border-radius: 8px;
    border-left: 4px solid #0000FF;
    position: relative;
}

.question .problem-text {
    color: #2c3e50;
}

.footer {
    text-align: center;
    margin-top: 5px;
    padding-top: 5px;
}

/* Stile per il bottone "Indice test" */
#indiceTestButton {
    background-color: #007bff;
    color: white;
    border: 2px solid #0056b3;
}

#indiceTestButton:hover {
    background-color: #0056b3;
    border-color: #004085;
}

.img-responsive {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Stili aggiuntivi per le tabelle */
.table-container {
    overflow-x: auto;
    margin: 20px 0;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 15px 0;
}

table td, table th {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
}

table th {
    background-color: #28a745;
    color: white;
    font-weight: bold;
}

/* Box evidenziato per risultati importanti */
.highlight-box {
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
}

/* Media query per dispositivi mobili */
@media (max-width: 768px) {
    .container {
        width: 100%;
        padding: 15px;
        margin-top: 15px;
        margin-bottom: 15px;
    }
    
    .header-box {
        flex-direction: column;
        padding: 10px;
    }
    
    .left-image, .right-image {
        max-height: 50px;
        margin: 5px;
    }
    
    .problem-title {
        font-size: 1.4em;
    }
    
    .problem-text {
        font-size: 1em;
    }
    
    table {
        font-size: 0.9em;
    }
    
    table td, table th {
        padding: 8px 5px;
    }
}