body {
    background-color: black;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    font-family: 'Courier New', Courier, monospace;
    color: #0f0;
}

.monitor {
    border: 4px solid #0f0;
    background-color: black;
    padding: 20px;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    box-shadow: 0 0 20px #0f0;
    position: relative;
    overflow: hidden;
}

#boot-sequence {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 4em;
    animation: scrollUp 6s forwards;
    opacity: 0;
}

@keyframes scrollUp {
    0% {
        transform: translateY(100%);
        opacity: 1;
    }
    90% {
        transform: translateY(-100%);
        opacity: 1;
    }
    100% {
        transform: translateY(-100%);
        opacity: 0;
    }
}

#ascii-art {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    display: none;
}

#blinking-cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

input[type="password"] {
    background-color: black;
    border: none;
    color: #0f0;
    outline: none;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1em;
}

#error-gif {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

#error-gif img {
    max-width: 100%;
    max-height: 100%;
}

#error-gif audio {
    display: none;
}