.lec-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}

.lec-container h2 {
    text-align: center;
    color: #ff6200;
    margin-bottom: 20px;
}

.lec-field {
    margin-bottom: 20px;
}

.lec-field label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

.lec-field input[type="number"],
.lec-field select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

.lec-field input[type="range"] {
    width: 100%;
    margin-top: 10px;
}

.lec-button {
    display: block;
    width: 100%;
    padding: 12px;
    background: #ff6200;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.lec-button:hover {
    background: #e55a00;
}

#lec-results {
    margin-top: 20px;
    padding: 15px;
    background: #e9ecef;
    border-radius: 4px;
}

#lec-results h3 {
    margin-top: 0;
    color: #ff6200;
}

#lec-results p {
    margin: 10px 0;
    font-size: 16px;
}

#lec-results i {
    margin-right: 8px;
    color: #ff6200;
}

#lec-error {
    margin-top: 15px;
    padding: 10px;
    background: #f8d7da;
    border-radius: 4px;
}

.lec-results-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.lec-text-results {
    flex: 1;
    min-width: 200px;
}

.lec-chart-container {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
    height: 300px; /* Ensure container has height */
}

#lec-pie-chart {
    width: 100% !important;
    height: 300px !important; /* Explicit size for canvas */
    display: block;
}