* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #0066cc;
}

.card {
    background: #fff;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
    margin-bottom: 15px;
    color: #0066cc;
    font-size: 1.3em;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

input[type="range"] {
    width: 80%;
    margin-right: 10px;
}

.button {
    display: block;
    width: 100%;
    padding: 10px;
    background: #0066cc;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-bottom: 15px;
}

.button:hover {
    background: #0052a3;
}

#statusMsg {
    text-align: center;
    padding: 10px;
    margin-top: 10px;
    border-radius: 4px;
}

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

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