body {
    font-family: 'Roboto', sans-serif;
    background-color: #272727;
}
.container {
    margin-top: 4rem;
    max-width: 600px;
}
h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: white;
}
.card {
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}
.form-control, .btn {
    border-radius: 8px;
}
.btn-primary {
    background-color: #6200ee;
    border-color: #6200ee;
}
.btn-primary:hover {
    background-color: #3700b3;
}
.result-box {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #e3f2fd;
    border-radius: 8px;
}
.spinner {
    display: none;
    margin-top: 20px;
    text-align: center;
}

.camera-btn, .submit-btn {
    width: 100%;
    margin-top: 1rem;
}
#image-preview img, #camera-preview {
    max-width: 100%;
    margin-top: 1rem;
}
#camera-preview {
    display: none;
}