body {
    font-family: "Helvetica Neue", Arial, sans-serif;
    background: #f5f5f7;
    margin: 0;
    padding: 40px;
    color: #333;
}

h1, h2 {
    font-weight: 600;
    margin-bottom: 10px;
}

.container {
    background: #fff;
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    max-width: 900px;
    margin: auto;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="file"] {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin-bottom: 20px;
    font-size: 15px;
}

button {
    background: #000;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    margin-right: 10px;
}

button:hover {
    background: #222;
}

#preview {
    background: #fff;
    border-radius: 14px;
    padding: 20px;
    margin-top: 20px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.05);
}