body {
            background: url('../img/background.png') no-repeat center center fixed;
            background-size: cover;
            color: #e0e0e0;
            font-family: 'Courier New', Courier, monospace;
            margin: 0;
            padding: 20px;
            line-height: 1.6;
        }

        .terminal {
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
            border: 5px solid #8b4513;
            border-radius: 10px;
            background: rgba(10, 10, 10, 0.9);
            box-shadow: 0 0 20px rgba(139, 69, 19, 0.7);
            position: relative;
            overflow: hidden;
        }

        .terminal::before {
            content: "";
            position: absolute;
            top: -10px; left: -10px; right: -10px; bottom: -10px;
            opacity: 0.3;
            z-index: -1;
        }

        .terminal-header {
            text-align: center;
            font-size: 1.2em;
            color: #d4a017;
            margin-bottom: 20px;
            border-bottom: 2px dashed #d4a017;
            padding-bottom: 10px;
            text-shadow: 0 0 5px #d4a017;
        }

        h1, h2, h3 {
            color: #d4a017;
            text-transform: uppercase;
            border-bottom: 1px dashed #8b4513;
            padding-bottom: 5px;
            text-shadow: 0 0 10px #d4a017;
        }

        h1 {
            text-align: center;
            font-size: 2.5em;
        }

        p, ul, li {
            margin: 10px 0;
        }

        ul {
            list-style: none;
            padding-left: 20px;
        }

        li::before {
            content: "> ";
            color: #d4a017;
        }

        .highlight {
            background-color: rgba(139, 69, 19, 0.3);
            padding: 10px;
            border-left: 4px solid #d4a017;
            margin: 10px 0;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin: 10px 0;
            background-color: rgba(10, 10, 10, 0.7);
        }

        th, td {
            border: 1px solid #8b4513;
            padding: 8px;
            text-align: left;
        }

        th {
            background-color: rgba(139, 69, 19, 0.5);
            color: #d4a017;
        }

        .blink {
            animation: blink 1s step-end infinite;
        }

        @keyframes blink {
            50% { opacity: 0; }
        }

        /* Logo Styling - Monochrome Green Filter for Old CRT */
        .logo {
            display: block;
            margin: 20px auto;
            max-width: 200px;
            border: 3px solid #00ff00;
            border-radius: 10px;
            box-shadow: 0 0 15px rgba(0, 255, 0, 0.7);
            padding: 5px;
            background: rgba(0, 10, 0, 0.8);
            filter: grayscale(100%) sepia(100%) hue-rotate(80deg); /* Monochrome green CRT effect */
        }

        /* Enhanced Menu Buttons */
        nav {
            text-align: center;
            margin: 20px 0;
        }

        nav a {
            display: inline-block;
            padding: 10px 20px;
            margin: 0 10px;
            background-color: #1a3c1a;
            color: #00ff00;
            text-decoration: none;
            border: 2px solid #00ff00;
            border-radius: 5px;
            font-size: 1.1em;
            text-transform: uppercase;
            transition: all 0.3s ease;
            box-shadow: 0 0 8px rgba(0, 255, 0, 0.5);
        }

        nav a:hover {
            background-color: #00ff00;
            color: #1a3c1a;
            transform: scale(1.05);
            box-shadow: 0 0 12px rgba(0, 255, 0, 0.8);
        }

        /* Scroll to Top Button */
        .scroll-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: #1a3c1a;
            color: #00ff00;
            border: 2px solid #00ff00;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            text-align: center;
            line-height: 50px;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 0 10px rgba(0, 255, 0, 0.7);
            transition: all 0.3s;
            opacity: 0;
            visibility: hidden;
        }

        .scroll-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-to-top:hover {
            background-color: #00ff00;
            color: #1a3c1a;
            transform: scale(1.1);
        }

        .scroll-to-top::after {
            content: "↑";
        }
@media screen and (max-width: 600px) {
    body {
        padding: 5px;
        line-height: 1.3;
        font-size: 12px;
    }

    .terminal {
        max-width: 100%;
        padding: 5px;
        border-width: 2px;
        border-radius: 5px;
        box-shadow: 0 0 6px rgba(139, 69, 19, 0.4);
    }

    .terminal-header {
        font-size: 0.9em;
        margin-bottom: 8px;
        padding-bottom: 4px;
    }

    h1 {
        font-size: 1.4em;
    }

    h2, h3 {
        font-size: 1em;
        padding-bottom: 2px;
    }

    p, ul, li {
        margin: 4px 0;
    }

    ul {
        padding-left: 10px;
    }

    .highlight {
        padding: 4px;
        margin: 4px 0;
        border-left-width: 3px;
    }

    th, td {
        padding: 3px 5px;
        font-size: 11px;
    }

    .logo {
        max-width: 100px;
        margin: 8px auto;
        padding: 2px;
        border-width: 1.5px;
        box-shadow: 0 0 5px rgba(0, 255, 0, 0.4);
    }

    nav a {
        padding: 4px 8px;
        margin: 0 4px;
        font-size: 0.85em;
        border-width: 1.5px;
        border-radius: 4px;
        box-shadow: 0 0 4px rgba(0, 255, 0, 0.3);
    }

    .scroll-to-top {
        width: 35px;
        height: 35px;
        line-height: 35px;
        font-size: 16px;
        bottom: 12px;
        right: 12px;
        border-width: 1.5px;
        box-shadow: 0 0 5px rgba(0, 255, 0, 0.4);
    }
}