* {
    font-family: 'Roboto', sans-serif;
}

body {
    background-color: #f7f9fc;
}

.app {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 1024px;
    text-align: center;
    margin: 2rem auto;
}

h1 {
    font-size: 2rem;
    color: #2d3a4b;
    margin-bottom: 2rem;
}

.dropdown, .textbox {
    margin: 1rem 0;
    text-align: left;
}

label {
    color: #555;
    margin-bottom: 0.5rem;
    display: block;
}

select, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 0.5rem;
    font-size: 1rem;
    background-color: #f9f9f9;
    outline: none;
    transition: 0.3s;
    box-sizing: border-box;
}

select {
    color: #444;
    margin-bottom: 0.5rem;
}

textarea {
    color: #333;
    resize: none;
}

textarea:focus, select:hover, select:focus {
    border-color: #4CAF50;
    background-color: #ffffff;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 1rem;
}

button:hover {
    background-color: #45a049;
}

div.results {
    margin-top: 1.75rem;
    font-size: 1rem;
    color: #2d3a4b;
    text-align: center;
    border-top: 2px solid #ddd;
    padding-top: 1.75rem;
}

div.error {
    display: block;
}

span#errorMessage {
    display: block;
    color: #a70000;
}

span.resultLabel {
    font-weight: bold;
}

span.leftResultLabel {
    color: #006eff;
}

span.rightResultLabel {
    color: #ec0000;
}