* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', Courier, monospace;
    background-color: #0a0a0a;
    color: #e0e0e0;
    line-height: 1.6;
    padding: 40px 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    margin-bottom: 60px;
}

h1 {
    color: #00ff00;
    font-size: 32px;
    font-weight: normal;
    margin-bottom: 20px;
}

nav {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: #888;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: #00aaff;
}

.nav-link.active {
    color: #00ff00;
}

main {
    margin-bottom: 60px;
    min-height: 400px;
}

.page {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

section {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #222;
}

section:last-child {
    border-bottom: none;
}

h2 {
    color: #00aaff;
    font-size: 20px;
    font-weight: normal;
    margin-bottom: 16px;
}

h3 {
    color: #00ffff;
    font-size: 18px;
    font-weight: normal;
    margin-bottom: 12px;
}

p {
    margin-bottom: 12px;
    color: #e0e0e0;
}

strong {
    color: #fff;
    font-weight: bold;
}

.label {
    color: #ffff00;
}

.muted {
    color: #666;
    font-style: italic;
}

a {
    color: #00aaff;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-bottom 0.2s;
}

a:hover {
    border-bottom: 1px solid #00aaff;
}

ul {
    list-style: none;
    margin-top: 16px;
}

li {
    margin-bottom: 8px;
    padding-left: 16px;
}

.app-header {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 20px;
}

.app-icon {
    width: 100px;
    height: 100px;
    border-radius: 22px;
    flex-shrink: 0;
}

.app-links {
    margin-top: 20px;
}

.app-links a {
    color: #00ff00;
    font-weight: bold;
}

.status {
    color: #ff00ff;
}

footer {
    color: #555;
    font-size: 14px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #222;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    body {
        padding: 20px 16px;
    }

    h1 {
        font-size: 24px;
        margin-bottom: 16px;
    }

    nav {
        gap: 16px;
    }

    .nav-link {
        font-size: 14px;
    }

    h2 {
        font-size: 18px;
    }

    section {
        margin-bottom: 32px;
        padding-bottom: 32px;
    }

    main {
        min-height: 300px;
    }

    .app-header {
        flex-direction: column;
        gap: 16px;
    }

    .app-icon {
        width: 80px;
        height: 80px;
    }
}