body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 800px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    margin-bottom: 20px;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid #ddd;
    align-self: center;
}

h1 {
    margin-bottom: 0;
}

.intro {
    color: #666;
}

#file-browser {
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 5px;
}

.folder, .file {
    padding: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.folder:before, .file:before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    background-size: contain;
    background-repeat: no-repeat;
}

.folder:before {
    background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23FFC107"><path d="M10 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2h-8l-2-2z"/></svg>');
}

.file:before {
    background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%234CAF50"><path d="M6 2c-1.1 0-1.99.9-1.99 2L4 20c0 1.1.89 2 1.99 2H18c1.1 0 2-.9 2-2V8l-6-6H6zm7 7V3.5L18.5 9H13z"/></svg>');
}

.folder-content {
    margin-left: 20px;
    display: none;
}

.folder.open > .folder-content {
    display: block;
}

footer {
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    background-color: #f2f2f2;
    color: #666;
    border-top: 1px solid #ddd;
}


particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

.container, header, main, footer {
    position: relative;
    z-index: 1;
}