.number-words-box {
    max-width: 520px;
    margin: 30px auto;
    padding: 25px;
    background: #eef3fa;
    border-radius: 14px;
    font-family: Arial, sans-serif;
}

.number-words-box h1 {
    text-align: center;
    margin-bottom: 10px;
}

.subtitle {
    text-align: center;
    font-size: 14px;
    color: #555;
    margin-bottom: 20px;
}

.number-words-box input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 16px;
}

.number-words-box button {
    width: 100%;
    margin-top: 15px;
    padding: 14px;
    background: #4CAF50;
    border: none;
    color: #fff;
    font-size: 16px;
    border-radius: 10px;
    cursor: pointer;
}

.number-words-box button:hover {
    background: #3d9c42;
}

.results {
    margin-top: 25px;
}

.results h2 {
    margin-bottom: 10px;
}

.results p {
    margin: 6px 0;
}

.about-tool {
    margin-top: 25px;
    font-size: 14px;
    color: #444;
}