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

:root {
    --bg-color: #f4f4f4;
    --text-color: #333;
    --accent-color: #6a0dad; /* Purple */
    --container-width: 800px;
}

body {
    font-family: 'Courier New', Courier, monospace; /* Retro vibe */
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
}

/* Center the content */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    background: white;
    padding: 40px;
    border: 1px solid #ddd;
    box-shadow: 5px 5px 0px rgba(0,0,0,0.1);
}

header {
    border-bottom: 2px solid var(--accent-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
}

nav a {
    margin-right: 15px;
    text-decoration: none;
    color: var(--accent-color);
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

button {
    padding: 10px 15px;
    cursor: pointer;
    background-color: var(--accent-color);
    color: white;
    border: none;
    font-family: inherit;
}

/* Dark Mode Class (Toggled by JS) */
body.dark-mode {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
}
body.dark-mode .container {
    background: #2a2a2a;
    border-color: #444;
}