body {
    background-color: #121212;
    color: #ffffff;
    font-family: sans-serif;
    padding: 2em;
}

.container {
    max-width: 600px;
    margin: auto;
    background-color: #1e1e1e;
    padding: 2em;
    border-radius: 12px;
    box-shadow: 0 0 10px #000;
}

input[type="file"],
button {
    margin-top: 1em;
    display: block;
    width: 100%;
    padding: 0.5em;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}
button:hover {
    background-color: #444;
}
a {
    color: #4fc3f7;
}