.pdf-to-ppt-converter {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.upload-area {
    border: 2px dashed #ccc;
    padding: 30px;
    text-align: center;
    border-radius: 5px;
    background: white;
}

.drop-zone {
    cursor: pointer;
    transition: all 0.3s;
}

.drop-zone.dragover {
    background: #f0f8ff;
    border-color: #4CAF50;
}

.browse-btn {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
}

.file-list {
    margin: 15px 0;
    border: 1px solid #eee;
    border-radius: 5px;
    padding: 10px;
}

.file-item {
    padding: 8px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
}

.convert-btn {
    background: #2196F3;
    color: white;
    border: none;
    padding: 12px;
    width: 100%;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
}

.progress {
    padding: 10px;
    background: #e3f2fd;
    border-radius: 4px;
    text-align: center;
}

.download-container {
    margin-top: 20px;
}

.download-item {
    margin: 10px 0;
}

.download-item a {
    color: #2196F3;
    text-decoration: none;
}

.download-item a:hover {
    text-decoration: underline;
}