body {
            background-color: #000;
            color: #c0c0c0;
            font-family: 'Courier New', monospace;
            font-size: 12px;
            line-height: 1.4;
            margin: 0;
            padding: 20px;
            overflow-y: scroll;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        
        body::-webkit-scrollbar {
            display: none;
        }
        
        #dos-container {
            max-width: 100%;
            margin: 0 auto;
        }
        
        .output {
            white-space: pre-wrap;
            margin-bottom: 10px;
            min-height:300px;
            overflow-y: scroll;
            scrollbar-width: none;
            -ms-overflow-style: none;
            max-height: calc(100vh - 100px);
        }
        
        #output::-webkit-scrollbar {
            display: none;
        }
        
        #input-line {
            display: flex;
        }
        
        #prompt {
            margin-right: 10px;
        }
        
        #command-input {
            background-color: transparent;
            border: none;
            color: #c0c0c0;
            font-family: 'Courier New', monospace;
            font-size: 12px;
            width: 100%;
            outline: none;
            flex-grow: 1;
        }
        
        .command {
            color: #c0c0c0;
            font-weight: bold;
        }
        
        .error {
            color: #c0c0c0;
        }
        
        .success {
            color: #c0c0c0;
        }
        
        .info {
            color: #c0c0c0;
        }
        
        .system {
            color: #c0c0c0;
        }
        
        .ascii-art {
            color: #c0c0c0;
            line-height: 1.1;
            font-family: 'Courier New', monospace;
            white-space: pre;
        }
        
        .fun-fact {
            color: #c0c0c0;
            font-style: italic;
        }
        
        .file-list {
            margin-left: 20px;
        }
        
        #exit-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: black;
            z-index: 1000;
            display: none;
            overflow: hidden;
            font-family: 'Courier New', monospace;
            white-space: pre;
            font-size: 16px;
            line-height: 1;
        }
        
        .exit-column {
            display: inline-block;
            vertical-align: top;
            width: 10px;
            overflow: hidden;
        }