* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 10px;
}

.author-link {
    text-align: center;
    font-size: 20px;
    margin-bottom: 30px;
}

.author-link a {
    color: #9370DB;
    text-decoration: underline;
}

.author-link a:hover {
    color: #000080;
}

h3 {
    color: #555;
    margin-bottom: 10px;
}

.upload-section {
    margin-bottom: 30px;
}

.upload-box {
    padding: 20px;
    border: 2px dashed #ddd;
    border-radius: 8px;
}

input[type="file"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.preview {
    width: 100%;
    min-height: 200px;
    background: #fafafa;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preview img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
}

.transfer-btn {
    width: 100%;
    padding: 15px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 20px;
}

.transfer-btn:hover {
    background: #0056b3;
}

.transfer-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #007bff;
    font-weight: bold;
}

.result-section {
    margin-top: 30px;
    padding: 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 4px;
    margin-top: 20px;
}

.model-section {
    margin-bottom: 30px;
}

.model-select {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: white;
    cursor: pointer;
}

.model-select:focus {
    outline: none;
    border-color: #007bff;
}

.download-btn {
    width: 100%;
    padding: 12px;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 15px;
}

.download-btn:hover {
    background: #218838;
}