body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 900px;
    margin: 20px auto;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #007bff;
    font-size: 2rem;
    margin-bottom: 20px;
}

.controls {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-right: 20px;
    margin-bottom: 10px;
}

.form-group label {
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 0.9rem;
    color: #555;
}

.form-group select,
.form-group input[type="checkbox"] {
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #ddd;
    font-size: 1rem;
    color: #333;
    background-color: #f9f9f9;
    outline: none;
    transition: border-color 0.2s ease-in-out;
}

.form-group select:focus,
.form-group input[type="checkbox"]:focus {
    border-color: #007bff;
}

.filter-button {
    padding: 10px 20px;
    background-color: #007bff;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.filter-button:hover {
    background-color: #0056b3;
}

#graphsContainer {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.graph {
    width: 100%;
    height: 400px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
    padding: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.graph:hover {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
    .controls {
        flex-direction: column;
    }

    .form-group {
        margin-right: 0;
        width: 100%;
    }

    .form-group select,
    .filter-button {
        width: 100%;
    }

    #graphsContainer {
        grid-template-columns: 1fr;
    }
}