body {
    background: black;
    color: #00ff00;
    font-family: "Courier New", monospace;
    font-size: 17px;
    margin: 0;
    padding: 20px;
    overflow: hidden;
    cursor: pointer;
}

#startScreen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #888;
    font-weight: bold;
    user-select: none;
    animation: blinkOldSchool 1.5s steps(2, start) infinite;
}

@keyframes blinkOldSchool {
    0%, 50% { opacity: 1; }
    50.01%, 100% { opacity: 0; }
}

#biosScreen, #hardwareScreen, #windowsScreen, #blackScreen {
    display: none;
    position: relative;
}

#energyLogo {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 240px;
    image-rendering: pixelated;
}

#bios, #hardwareText, #windowsText {
    white-space: pre-line;
    margin-top: 0;
}

#bottomLeft {
    position: fixed;
    bottom: 10px;
    left: 20px;
    font-weight: bold;
}

#cursor, #cursorHardware, #cursorWindows {
    display: inline-block;
    width: 10px;
    height: 18px;
    background: #00ff00;
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { background: transparent; }
}

#hardwareIcon {
    width: 100px;
    image-rendering: pixelated;
    display: block;
    margin-bottom: 10px;
}

#blackScreen {
    background: black;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}