body {
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: #020617;
    padding: 30px;
    border-radius: 12px;
    width: 400px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

h1 {
    margin-bottom: 10px;
}

input[type="file"] {
    margin: 15px 0;
}

button {
    background: #22c55e;
    border: none;
    padding: 10px 20px;
    color: black;
    font-weight: bold;
    cursor: pointer;
    border-radius: 6px;
}

button:hover {
    background: #16a34a;
}

.preview img {
    margin-top: 15px;
    max-width: 100%;
    border-radius: 6px;
    background: white;
}

.result {
    margin-top: 20px;
}

#resultText {
    font-size: 28px;
    font-weight: bold;
    color: #38bdf8;
}