#kernel-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    color: #ccc;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    z-index: 99998;
    padding: 24px 30px;
    box-sizing: border-box;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    display: none;
}
#kernel-screen.active {
    display: block;
}
#kernel-log {
    white-space: pre-wrap;
    word-break: break-word;
}
#kernel-log .k-time {
    color: #555;
}
#kernel-log .k-ok {
    color: #5fd35f;
    font-weight: bold;
}
#kernel-log .k-cmd {
    color: #8b5cf6;
    font-weight: bold;
}
#kernel-log .k-input {
    color: #ec4899;
    font-weight: bold;
}
#kernel-log .k-warn {
    color: #f5b942;
    font-weight: bold;
}
#kernel-cursor {
    display: inline-block;
    width: 9px;
    height: 15px;
    background-color: #ccc;
    vertical-align: -2px;
    animation: blink 0.6s infinite;
}
#kernel-log .k-user {
    color: #4ade80;
}
#kernel-log .k-dim {
    color: #666;
}
#kernel-log .k-host {
    color: #8b5cf6;
}
@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}