:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --accent-color: #00ff9d;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --border-color: #333333;
}

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

body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-header {
    background-color: var(--secondary-bg);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.5);
    animation: glow 2s ease-in-out infinite alternate;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    position: relative;
    padding: 0.5rem 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

.content-container {
    margin-top: 80px;
    flex: 1;
    padding: 2rem;
}

.page-container {
    position: relative;
    height: calc(100vh - 80px);
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
    background-color: var(--secondary-bg);
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.1);
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(0, 255, 157, 0.5);
    }
    to {
        text-shadow: 0 0 20px rgba(0, 255, 157, 0.8);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        padding: 1rem;
    }

    .main-nav ul {
        margin-top: 1rem;
        gap: 1rem;
    }

    .content-container {
        margin-top: 120px;
        padding: 1rem;
    }
}