body {
    background-color: #000000;
    color: #ffffff;
    font-family: monospace;
    padding: 15px;
    margin: 0;
}

/* Header layout: title/slogan left, nav tabs right */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
}

.brand-group h1 {
    font-size: 1.5rem;
    margin: 0 0 4px 0;
}

.slogan {
    font-size: 0.85rem;
    color: #888888;
    font-style: italic;
}

.top-nav {
    margin-top: 2px;
}

.top-nav a {
    margin-left: 12px;
}

hr {
    border: 0;
    border-top: 1px solid #555555;
    margin: 15px 0;
}

h2 {
    font-size: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

a {
    color: #55ffff; /* Terminal cyan */
}

a:visited {
    color: #ff55ff; /* Terminal magenta */
}

footer {
    font-size: 0.85rem;
    color: #aaaaaa;
}