body {
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    margin: 50px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
}

.new-folder-section, .upload-section, .file-grid {
    margin-top: 30px;
    text-align: center;
}

input[type="text"], select, input[type="file"] {
    width: 70%;
    padding: 10px;
    margin: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    margin: 5px;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background-color: #0056b3;
}

.folder-grid, .file-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.folder-card, .file-card {
    background-color: #e9ecef;
    width: 200px;
    margin: 15px;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.success {
    color: green;
    text-align: center;
}

.error {
    color: red;
    text-align: center;
}

footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px;
    background-color: #007bff;
    color: white;
    border-radius: 0 0 8px 8px;
}

footer p {
    margin: 0;
    font-size: 16px;
}

.progress-container {
    width: 100%;
    background-color: #f3f3f3;
    border-radius: 10px;
    margin: 10px 0;
    height: 25px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,.2);
}

.progress-bar {
    width: 0%;
    height: 100%;
    background-color: #4caf50;
    border-radius: 10px;
    transition: width 0.4s ease;
}