body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to right, #e0f7fa, #80deea);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

h1 {
    color: #00796b;
    margin-bottom: 20px;
    font-size: 2.5em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.input-container {
    margin-bottom: 20px;
}

input {
    padding: 12px;
    border: 2px solid #ff9800;
    border-radius: 5px;
    margin-right: 10px;
    width: 120px;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

input:focus {
    border-color: #f57c00;
    outline: none;
}

select {
    padding: 12px;
    border: 2px solid #ff9800;
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

select:focus {
    border-color: #f57c00;
    outline: none;
}

button {
    padding: 12px 20px;
    border: none;
    background-color: #ff5722;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

button:hover {
    background-color: #e64a19;
    transform: translateY(-2px);
}

.output-container {
    margin-top: 20px;
    font-size: 1.2em;
    color: #555;
}

.output-container span {
    font-weight: bold;
    color: #00796b;
}
