.theme-light {
    --bg: #ffffff;
    --text: #1a1a1a;
    --link: #0000ee;
    --accent: #444444;
    --border: #cccccc;
    --header-bg: #fcfcfc;
}
.theme-dark {
    --bg: #121212;
    --text: #e0e0e0;
    --link: #88ccff;
    --accent: #bbbbbb;
    --border: #333333;
    --header-bg: #1a1a1a;
}
.theme-dracula-light {
    --bg: #f8f8f2;
    --text: #282a36;
    --link: #ff5555;
    --accent: #6272a4;
    --border: #bd93f9;
    --header-bg: #efeffd;
}
.theme-dracula-dark {
    --bg: #282a36;
    --text: #f8f8f2;
    --link: #bd93f9;
    --accent: #8be9fd;
    --border: #6272a4;
    --header-bg: #343746;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    /*transition: background-color 0.2s ease;*/
}

.site-header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-family: sans-serif;
    font-weight: bold;
    font-size: 1.2rem;
}

.menu-toggle {
    display: none;
    background: var(--text);
    color: var(--bg);
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    font-family: sans-serif;
    font-size: 0.9rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-family: sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--link);
}

.theme-wrapper {
    font-family: sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

#theme-selector {
    font-family: sans-serif;
    background: var(--bg);
    color: var(--text);
    border: 1.5px solid var(--border);
    font-size: 0.95rem;
}

.content-wrapper {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

h2 {
    font-family: sans-serif;
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-top: 40px;
    padding-bottom: 5px;
}

h3 {
    font-family: sans-serif;
    font-size: 1.1rem;
    color: var(--accent);
    margin-top: 25px;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none; 
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--header-bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        text-align: center;
    }

    .nav-menu.active {
        display: flex; 
    }

    .nav-links {
        flex-direction: column;
        gap: 15px;
        font-size: 14px; /* Scaled down for mobile */

    }

    .theme-wrapper {
        justify-content: center;
        padding-top: 10px;
        border-top: 1px solid var(--border);
    }
}