body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f0f2f5;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: #333;
    margin-bottom: 2rem;
}

.converter > * {
    margin-bottom: 1rem;
}

input[type="file"] {
    border: 1px solid #ccc;
    display: inline-block;
    padding: 6px 12px;
    cursor: pointer;
}

.options {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

select, button {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: 1px solid #ccc;
}

button {
    background-color: #007bff;
    color: white;
    border-color: #007bff;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background-color: #0056b3;
}

.result {
    margin-top: 2rem;
}

#resultImg {
    max-width: 100%;
    max-height: 300px;
    margin-top: 1rem;
    border: 1px solid #ddd;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#downloadLink {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background-color: #28a745;
    color: white;
    text-decoration: none;
    border-radius: 4px;
}

#downloadLink:hover {
    background-color: #218838;
}