body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: url('assets/background.webp') no-repeat center center fixed;
    background-size: cover;
    margin: 0;
}

.container {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 100%;
    max-width: 600px;
    border: 2px solid #cccccc;
}

h1 {
    margin-top: 0;
    transition: color 0.3s ease;
}

h1:hover {
    color: #007BFF;
}

.option-section {
    margin: 20px 0;
}

.option-section label {
    font-weight: bold;
}

.option-section select {
    padding: 10px;
    margin: 10px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    width: 100%;
    max-width: 300px;
}

.response-section {
    margin-top: 20px;
    border-top: 1px solid #cccccc;
    padding-top: 20px;
}

.input-section,
.range-section {
    display: none;
    border: 1px solid #cccccc;
    padding: 20px;
    border-radius: 4px;
    background-color: #f9f9f9;
    margin-top: 20px;
}

input[type="number"] {
    padding: 10px;
    margin: 10px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    width: 100%;
    max-width: 300px;
}

button {
    padding: 10px 20px;
    margin-top: 10px;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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

#result,
#range-result {
    margin-top: 20px;
    font-weight: bold;
    word-wrap: break-word;
}