:root {
    /* Gruvbox Dark Palette */
    --bg0: #282828;
    --bg1: #3c3836;
    --bg2: #504945;
    --bg3: #665c54;
    --bg4: #7c6f64;

    --fg0: #fbf1c7;
    --fg1: #ebdbb2;
    --fg2: #d5c4a1;
    --fg3: #bdae93;
    --fg4: #a89984;

    --red: #cc241d;
    --green: #98971a;
    --yellow: #d79921;
    --blue: #458588;
    --purple: #b16286;
    --aqua: #689d6a;
    --gray: #928374;
    --orange: #d65d0e;

    /* Void Linux inspired accent */
    --void-green: #478061;
    --void-dark: #1a1a1a;
}

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

body {
    font-family: 'Fira Code', 'Source Code Pro', 'Inconsolata', monospace;
    background: linear-gradient(135deg, var(--bg0), var(--bg1));
    color: var(--fg1);
    line-height: 1.75;
    min-height: 100vh;
    padding: 2rem;
}

/* Page Title */
.title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--void-green);
    margin-bottom: 2.5rem;
    font-weight: 400;
    letter-spacing: 1px;
}

/* Main Content */
#content {
    max-width: 880px;
    margin: auto;
    background-color: rgba(40, 40, 40, 0.95);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--bg3);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

/* --- Table of Contents --- */
#table-of-contents {
    background: transparent;
    padding: 1rem 1.2rem;
    margin-bottom: 2rem;
    border-left: 3px solid var(--void-green);
    border-radius: 0;
}

#table-of-contents h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--void-green);
    margin-bottom: 1rem;
    padding-left: 0.2rem;
}

#table-of-contents ul {
    list-style: none;
    padding-left: 0;
    margin-left: 0;
}

#table-of-contents li {
    margin: 0.4rem 0;
    padding-left: 0.6rem;
    border-left: 1px dashed var(--bg3);
    color: var(--fg2);
    font-size: 0.95rem;
}

#table-of-contents li li {
    padding-left: 1.2rem;
    border-left: 1px dashed var(--bg4);
    color: var(--fg3);
    font-size: 0.93rem;
}

#table-of-contents li li li {
    padding-left: 1.6rem;
    border-left: 1px dashed var(--bg4);
    color: var(--fg4);
    font-size: 0.9rem;
}

#table-of-contents a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

#table-of-contents a:hover {
    color: var(--void-green);
    text-decoration: underline;
}

/* --- Headings --- */
h1, h2, h3, h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

h1 {
    font-size: 1.75rem;
    color: var(--void-green);
    border-bottom: 2px solid var(--bg3);
    padding-bottom: 0.25rem;
}

h2 {
    font-size: 1.5rem;
    color: var(--aqua);
}

h3 {
    font-size: 1.25rem;
    color: var(--yellow);
}

h4 {
    font-size: 1.1rem;
    color: var(--orange);
}

/* --- Paragraphs --- */
p {
    margin-bottom: 1rem;
    text-align: justify;
    color: var(--fg2);
}

/* --- Inline Code (=code=) --- */
p code,
li code {
    background-color: #3c3836;
    color: var(--orange);
    padding: 0.25rem 0.4rem;
    border-radius: 5px;
    font-size: 0.95rem;
    font-family: 'Fira Code', monospace;
    white-space: nowrap;
    box-shadow: inset 0 0 0 1px var(--bg4);
}

/* --- Code Blocks --- */
pre {
    background: var(--void-dark);
    border: 1px solid var(--bg3);
    border-left: 5px solid var(--orange);
    border-radius: 6px;
    padding: 1.25rem;
    margin: 2rem 0;
    overflow-x: auto;
    font-size: 0.95rem;
}

code {
    font-family: 'Fira Code', monospace;
    color: var(--fg0);
    font-size: 0.95rem;
}

/* --- Lists --- */
ul, ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

li {
    margin: 0.5rem 0;
}

/* --- Blockquotes --- */
blockquote {
    border-left: 4px solid var(--purple);
    background: var(--bg1);
    padding: 1rem 1.5rem;
    font-style: italic;
    color: var(--fg3);
    border-radius: 0 6px 6px 0;
    margin: 1.5rem 0;
}

/* --- Tables --- */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--bg1);
    border-radius: 6px;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--bg3);
}

th {
    background: var(--bg2);
    color: var(--void-green);
}

tr:hover {
    background-color: var(--bg2);
}

/* --- Links --- */
a {
    color: var(--blue);
    text-decoration: underline;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--void-green);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg1);
}

::-webkit-scrollbar-thumb {
    background: var(--bg3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--void-green);
}

/* --- Responsive Tweaks --- */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .title {
        font-size: 1.75rem;
    }

    #content {
        padding: 1.25rem;
    }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.3rem; }
    pre { font-size: 0.85rem; }
    code, p code, li code { font-size: 0.85rem; }
}