body, html {
    margin: 0; padding: 0; height: 100%;
    background-color: #0a0a0a; color: #00ff00;
    font-family: 'Courier New', Courier, monospace;
    font-size: 16px; overflow: hidden;
}

.scanlines {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
    background-size: 100% 4px; pointer-events: none; z-index: 100;
}

#terminal { padding: 20px; height: 90vh; overflow-y: auto; display: flex; flex-direction: column; }
#output p { margin: 5px 0; line-height: 1.4; }

.error { color: #ff3333; font-weight: bold; }
.highlight { color: #ffb000; }

#input-line { display: flex; margin-top: 10px; }
#prompt { margin-right: 10px; white-space: nowrap; }
#cmd-input {
    background: transparent; border: none; color: #00ff00;
    font-family: inherit; font-size: inherit; flex-grow: 1; outline: none;
}