body {
    background: #f5f7fb;
    font-family: Arial, sans-serif;
}

.cropguard-container {
    max-width: 900px;
    margin: auto;
    padding: 40px;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.upload-card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

#preview {
    width: 100%;
    margin-top: 20px;
    border-radius: 12px;
}

button {
    width: 100%;
    background: #0b7d32;
    color: white;
    border: none;
    padding: 14px;
    border-radius: 12px;
    margin-top: 20px;
    font-size: 16px;
    cursor: pointer;
}

.result-card {
    margin-top: 30px;
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}