* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, #008080, #48D1CC);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.container {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 400px;
}

h1 {
    color: #333;
    font-size: 24px;
    margin-bottom: 1rem;
}

p {
    color: #555;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
    text-align: left;
}

label {
    font-size: 14px;
    color: #333;
}

input, select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-top: 0.5rem;
}

button {
    width: 100%;
    padding: 0.75rem;
    border: none;
    background: #48D1CC;
    color: white;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: #008080;
}

#result {
    margin-top: 1.5rem;
    font-size: 16px;
    color: #333;
}

.hidden {
    display: none;
}