md_preview_dark_theme.css

/* A Dark Mode Markdown Preview stylesheet for vscode markdown previews
Created via Claude chat
- Download and add this file in each vscode workspace root that you want to use it.
- In your workspace settings, ./.vscode/settings.json, add a reference to this.
{
    "markdown.styles": [
        "md_preview_dark_theme.css"
    ]
}
- Now, whenever you open a markdown file as a preview (Markdown: Open Preview to the side), you will get colors for all the markup - headings, 
*/
:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #2d2d2d;
    --bg-code: #252525;
    --text-primary: #e4e4e4;
    --text-secondary: #b0b0b0;
    --border-color: #404040;

    --heading-1: #ff79c6;
    --heading-2: #bd93f9;
    --heading-3: #8be9fd;
    --heading-4: #50fa7b;
    --heading-5: #ffb86c;
    --heading-6: #f1fa8c;

    --link-color: #8be9fd;
    --link-hover: #50fa7b;
    --code-color: #50fa7b;
    --blockquote-border: #bd93f9;
    --blockquote-bg: #2a2a3e;
    --table-border: #404040;
    --table-header-bg: #2d2d3d;
}

/* Base Styles */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
        "Oxygen", "Ubuntu", "Cantarell", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

/* Headings */
h1 {
    color: var(--heading-1);
    border-bottom: 3px solid var(--heading-1);
    padding-bottom: 0.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
    font-size: 2.5em;
}

h2 {
    color: var(--heading-2);
    border-bottom: 2px solid var(--heading-2);
    padding-bottom: 0.4rem;
    margin-top: 1.8rem;
    margin-bottom: 0.9rem;
    font-weight: 600;
    font-size: 2em;
}

h3 {
    color: var(--heading-3);
    margin-top: 1.6rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    font-size: 1.5em;
}

h4 {
    color: var(--heading-4);
    margin-top: 1.4rem;
    margin-bottom: 0.7rem;
    font-weight: 600;
    font-size: 1.25em;
}

h5 {
    color: var(--heading-5);
    margin-top: 1.2rem;
    margin-bottom: 0.6rem;
    font-weight: 600;
    font-size: 1.1em;
}

h6 {
    color: var(--heading-6);
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 1em;
}

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

/* Links */
a {
    color: var(--link-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--link-hover);
    border-bottom: 1px solid var(--link-hover);
}

a:visited {
    color: #bd93f9;
}

/* Code */
code {
    background-color: var(--bg-code);
    color: var(--code-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas,
        monospace;
    font-size: 0.9em;
    border: 1px solid var(--border-color);
}

pre {
    background-color: var(--bg-code);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

pre code {
    background-color: transparent;
    border: none;
    padding: 0;
    color: var(--text-primary);
    font-size: 0.95em;
}

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

blockquote p:last-child {
    margin-bottom: 0;
}

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

li {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

li::marker {
    color: var(--heading-3);
    font-weight: bold;
}

ul ul,
ol ol,
ul ol,
ol ul {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Task Lists */
input[type="checkbox"] {
    margin-right: 0.5rem;
    accent-color: var(--code-color);
}

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

thead {
    background-color: var(--table-header-bg);
}

th {
    color: var(--heading-3);
    font-weight: 600;
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--table-border);
    color: var(--text-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background-color: rgba(139, 233, 253, 0.1);
}

/* Horizontal Rules */
hr {
    border: none;
    height: 2px;
    background: linear-gradient(
        to right,
        var(--heading-1),
        var(--heading-2),
        var(--heading-3)
    );
    margin: 2rem 0;
    border-radius: 2px;
}

/* Text Formatting */
strong,
b {
    color: var(--heading-5);
    font-weight: 700;
}

em,
i {
    color: var(--heading-6);
    font-style: italic;
}

del,
s {
    color: var(--text-secondary);
    text-decoration: line-through;
    opacity: 0.7;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
}

/* Inline Elements */
mark {
    background-color: rgba(241, 250, 140, 0.3);
    color: var(--text-primary);
    padding: 0.1rem 0.2rem;
    border-radius: 2px;
}

kbd {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    box-shadow: 0 2px 0 var(--border-color);
    color: var(--text-primary);
    display: inline-block;
    font-family: "SF Mono", Monaco, monospace;
    font-size: 0.85em;
    padding: 0.2rem 0.4rem;
    margin: 0 0.1rem;
}

/* Definition Lists */
dl {
    margin: 1rem 0;
}

dt {
    color: var(--heading-4);
    font-weight: 600;
    margin-top: 1rem;
}

dd {
    margin-left: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: #505050;
}