body {
    margin: 0;
    background: #008080;
    height: 100vh;
    display: flex;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    cursor: default;
}

.desktop {
    width: 100%;
    background: #008080 url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 2"><path fill="%23000080" d="M0 0h1v1H0zM1 1h1v1H1z"/></svg>');
    background-size: 16px;
    position: relative;
    overflow: hidden;
}

.menu-bar {
    background: #C0C0C0;
    padding: 2px;
    display: flex;
    border-bottom: 2px solid #000;
    height: 20px;
    align-items: center;
}

.menu-item {
    padding: 0 8px;
    border-right: 1px solid #000;
    cursor: pointer;
}

.window {
    position: absolute;
    background: #C0C0C0;
    border: 2px solid;
    border-color: #FFFFFF #000000 #000000 #FFFFFF;
    box-shadow: 2px 2px 0px rgba(0,0,0,0.25);
}

.title-bar {
    background: #000080;
    color: white;
    padding: 3px 2px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
}

.control-box {
    border: 2px solid;
    border-color: #FFFFFF #000000 #000000 #FFFFFF;
    width: 16px;
    height: 14px;
    text-align: center;
    margin-right: 4px;
    line-height: 12px;
}

.window-controls {
    display: flex;
}

.control-btn {
    background: #C0C0C0;
    border: 2px solid;
    border-color: #FFFFFF #000000 #000000 #FFFFFF;
    width: 20px;
    height: 20px;
    line-height: 16px;
    text-align: center;
    margin-left: 2px;
    padding: 0;
    cursor: pointer;
}

.window-content {
    padding: 4px;
    border: 2px solid;
    border-color: #000000 #FFFFFF #FFFFFF #000000;
    background: #FFFFFF;
    height: calc(100% - 40px);
}

.file-manager {
    display: flex;
    height: 200px;
}

.directory-tree {
    width: 100px;
    border-right: 2px solid #C0C0C0;
    padding-right: 4px;
}

.file-list {
    flex: 1;
    padding-left: 4px;
}

.directory-item, .file-item {
    padding: 2px 0;
    cursor: pointer;
}

.directory-item:hover, .file-item:hover {
    background: #000080;
    color: white;
}

.notepad-text {
    width: 100%;
    height: 100%;
    border: none;
    resize: none;
    font-family: 'Courier New', monospace;
    font-size: 13px;
}

.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #C0C0C0;
    border-top: 2px solid #000;
    padding: 2px;
    display: flex;
    justify-content: flex-end;
}

.clock {
    border: 2px solid;
    border-color: #000000 #FFFFFF #FFFFFF #000000;
    padding: 0 4px;
}

.active {
    z-index: 1;
}