.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.upload-section {
    margin-bottom: 2rem;
    position: relative;
}

.drop-zone {
    border: 2px dashed #ccc;
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s ease;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drop-zone.drag-over {
    border-color: #3498db;
    background-color: rgba(52, 152, 219, 0.05);
}

.drop-zone-text {
    color: #666;
}

input[type="file"] {
    display: none;
}

.preview-section, .action-section {
    margin-bottom: 2rem;
}

button {
    padding: 10px 20px;
    background-color: #2ecc71;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #27ae60;
}

button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

#previewImage {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#fileSizeInfo {
    margin-top: 1rem;
    font-weight: bold;
}