.deluva-upload-form {
    max-width: 600px;
    margin: 30px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
}
.deluva-upload-form h3 {
    margin-top: 0;
}
.deluva-field {
    margin-bottom: 15px;
}
.deluva-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
}
.deluva-field input[type="text"],
.deluva-field input[type="email"],
.deluva-field input[type="url"],
.deluva-field textarea,
.deluva-field input[type="file"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.deluva-field.checkbox label {
    display: inline;
    font-weight: 400;
}
.deluva-submit {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    background: #222;
    color: #fff;
    cursor: pointer;
}
.deluva-message {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}
.deluva-message.success {
    background: #e5f9e7;
    border: 1px solid #4caf50;
}
.deluva-message.error {
    background: #fdecea;
    border: 1px solid #f44336;
}
.deluva-hint {
    font-size: 0.9em;
    color: #666;
}