/* ============================================
   DARKLANE THEME - Main Stylesheet
   ============================================ */

:root {
    --color-primary: #39bae6;
    --color-secondary: #26a98b;
    --color-accent-1: #c678dd;
    --color-accent-2: #ff8f40;
    --color-accent-3: #ffbf00;
    --color-error: #f92672;
    --color-bg-darkest: #0a0f14;
    --color-bg-dark: #11151c;
    --color-bg-medium: #14181d;
    --color-bg-light: #1a1f26;
    --color-text: #c7c7c7;
    --color-text-bright: #e6e6e6;
    --color-text-dim: #888;
    --color-text-very-dim: #666;
    --color-text-comment: #5c6370;
    --color-syntax-amber: #ffb454;
    --color-syntax-highlight: #2a3340;

    /* Base colors */
    --color-white: #ffffff;
    --color-black: #000000;
}

/* Color utility classes for shortcodes */
.text-primary {
    color: var(--color-primary) !important;
}
.text-secondary {
    color: var(--color-secondary) !important;
}
.text-accent-1 {
    color: var(--color-accent-1) !important;
}
.text-accent-2 {
    color: var(--color-accent-2) !important;
}
.text-accent-3 {
    color: var(--color-accent-3) !important;
}
.text-error {
    color: var(--color-error) !important;
}
.text-bright {
    color: var(--color-text-bright) !important;
}
.text-dim {
    color: var(--color-text-dim) !important;
}

.bg-darkest {
    background-color: var(--color-bg-darkest);
}
.bg-dark {
    background-color: var(--color-bg-dark);
}
.bg-medium {
    background-color: var(--color-bg-medium);
}
.bg-light {
    background-color: var(--color-bg-light);
}

.border-primary {
    border-color: var(--color-primary);
}
.border-accent-1 {
    border-color: var(--color-accent-1);
}
.border-accent-2 {
    border-color: var(--color-accent-2);
}
.border-accent-3 {
    border-color: var(--color-accent-3);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, sans-serif;
    background-color: var(--color-bg-darkest);
    color: var(--color-text);
    padding: 0;
    margin: 0;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

body::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-text);
}

h1 {
    font-size: 2.5rem;
}
h2 {
    font-size: 2rem;
}
h3 {
    font-size: 1.5rem;
}
h4 {
    font-size: 1.25rem;
}
h5 {
    font-size: 1.1rem;
}
h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

/* Lists - proper indentation and spacing */
ul,
ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

ul {
    list-style-type: disc;
}

ol {
    list-style-type: decimal;
}

li {
    margin-bottom: 0.5rem;
}

/* Nested lists */
ul ul,
ol ul {
    list-style-type: circle;
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
}

ol ol {
    list-style-type: decimal;
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
}

ul ol {
    list-style-type: decimal;
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
}

/* List page styles */
.list-header {
    margin-bottom: 2rem;
    /*padding: 0rem 0;*/
    background: none;
}

.list-header h1 {
    margin-bottom: 0.5rem;
}

.post-count {
    color: var(--color-text-dim);
    font-size: 0.9rem;
}

/* Force decimal on all nested ordered lists */
.post-content ol ol {
    list-style-type: decimal !important;
}

a {
    color: var(--color-text-bright);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-1);
    text-decoration: underline;
}

/* ============================================
   LAYOUT - Main Container & Grid
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0rem;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 0.5rem;
    margin-top: 2rem;
}

/* Main content area (left column) */
.content-column {
    min-width: 0; /* Prevents grid blowout */
}

/* Sidebar (right column) */
.sidebar-column {
    position: sticky;
    top: 1rem;
    align-self: start;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
header {
    background: url("../images/title-banner.png") center center / cover
        no-repeat;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 2rem;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin: 0;
    /* Sharper, thinner text stroke */
    text-shadow:
        -1px -1px 0 var(--color-black),
        1px -1px 0 var(--color-black),
        -1px 1px 0 var(--color-black),
        1px 1px 0 var(--color-black);
}

.site-title a {
    color: inherit;
}

.site-title a:hover {
    color: var(--color-accent-1);
    text-decoration: none;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
}

nav a {
    color: var(--color-white);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    /* Add text stroke for visibility on bright backgrounds */
    text-shadow:
        -1px -1px 0 var(--color-black),
        1px -1px 0 var(--color-black),
        -1px 1px 0 var(--color-black),
        1px 1px 0 var(--color-black);
}

nav a:hover {
    color: var(--color-accent-2);
}

/* ============================================
   ARTICLE BANNER
   ============================================ */
.article-banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-bottom: 2rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.article-banner img {
    width: 100%;
    height: auto;
    display: block;
}

/* Banner title with stroke effect for readability over any image */
.banner-title {
    position: absolute;
    top: 50%;
    left: 1.5rem;
    transform: translateY(-50%);
    z-index: 1;
    color: var(--color-white);
    font-size: 3rem;
    font-weight: 700;
    /* Sharper, thinner text stroke */
    text-shadow:
        -1px -1px 0 var(--color-black),
        1px -1px 0 var(--color-black),
        -1px 1px 0 var(--color-black),
        1px 1px 0 var(--color-black);
    line-height: 1.2;
    margin: 0;
}

/* ============================================
   POST CONTENT
   ============================================ */
.post-meta {
    color: var(--color-text-dim);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-bg-light);
}

.post-meta span {
    margin-right: 1rem;
}

.post-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 2rem 0;
}

.post-content blockquote {
    border-left: 3px solid var(--color-accent-2);
    background-color: var(--color-bg-dark);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    color: var(--color-text);
    font-style: italic;
    border-radius: 4px;
}

/* Tables */
.post-content table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 2rem 0;
    background-color: var(--color-bg-darkest);
    border: 1px solid var(--color-bg-light);
    border-radius: 0px;
    overflow: hidden;
}

.post-content thead {
    background-color: var(--color-bg-darkest);
}

.post-content th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-bright);
    border: 1px solid var(--color-bg-light);
}

.post-content td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-bg-light);
    color: var(--color-text);
}

/* Remove double borders */
.post-content th:first-child,
.post-content td:first-child {
    border-left: 1px solid var(--color-bg-light);
}

.post-content th,
.post-content td {
    border-right: 1px solid var(--color-bg-light);
    border-bottom: 1px solid var(--color-bg-light);
}

.post-content thead tr:first-child th {
    border-top: 1px solid var(--color-bg-light);
}

/* Alternating row colors - light/dark pattern */
.post-content tbody tr:nth-child(odd) {
    background-color: var(--color-bg-medium);
}

.post-content tbody tr:nth-child(even) {
    background-color: var(--color-bg-darkest);
}

.post-content tbody tr:hover {
    background-color: var(--color-bg-light);
}

.post-content blockquote p {
    margin-bottom: 0.5rem;
}

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

/* Bold text at start of blockquote (for alert labels) */
.post-content blockquote strong:first-child,
.post-content blockquote p:first-child strong:first-child {
    display: inline-block;
    font-style: normal;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent-2);
}

/* GitHub-flavored Markdown alerts */
.markdown-alert {
    background-color: var(--color-bg-dark);
    border: 2px solid;
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
    font-style: normal;
}

.markdown-alert-title {
    display: flex;
    align-items: center;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.markdown-alert-title::before {
    margin-right: 0.5rem;
    font-size: 1rem;
}

.markdown-alert-note {
    border-color: var(--color-secondary);
}

.markdown-alert-note .markdown-alert-title {
    color: var(--color-secondary);
}

.markdown-alert-note .markdown-alert-title::before {
    content: "!";
}

.markdown-alert-tip {
    border-color: var(--color-primary);
}

.markdown-alert-tip .markdown-alert-title {
    color: var(--color-primary);
}

.markdown-alert-tip .markdown-alert-title::before {
    content: "★";
}

.markdown-alert-warning {
    border-color: var(--color-accent-2);
}

.markdown-alert-warning .markdown-alert-title {
    color: var(--color-accent-2);
}

.markdown-alert-warning .markdown-alert-title::before {
    content: "⚠";
}

.markdown-alert-important {
    border-color: var(--color-accent-3);
}

.markdown-alert-important .markdown-alert-title {
    color: var(--color-accent-3);
}

.markdown-alert-important .markdown-alert-title::before {
    content: "‼";
}

.markdown-alert-caution {
    border-color: var(--color-error);
}

.markdown-alert-caution .markdown-alert-title {
    color: var(--color-error);
}

.markdown-alert-caution .markdown-alert-title::before {
    content: "✗";
}

/* ============================================
   POST PREVIEW (Home page)
   ============================================ */
.post-preview {
    background-color: var(--color-bg-dark);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--color-bg-light);
    transition: border-color 0.2s ease;
}

.post-preview:hover {
    border-color: var(--color-secondary);
}

.post-preview h2 {
    margin-bottom: 0.5rem;
}

.post-preview h2 a {
    color: var(--color-primary);
}

.post-preview h2 a:hover {
    color: var(--color-accent-2);
    text-decoration: none;
}

.post-preview .meta {
    color: var(--color-text-dim);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.post-preview .summary {
    color: var(--color-text);
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    color: var(--color-accent-2);
    font-weight: 600;
}

.read-more:hover {
    color: var(--color-accent-1);
}

/* ============================================
   SIDEBAR WIDGETS
   ============================================ */
.sidebar-widget {
    background-color: var(--color-bg-dark);
    border-radius: 4px;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--color-bg-light);
}

.sidebar-widget h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-bg-light);
}

/* Widget-specific title colors matching heading hierarchy */

.sidebar-widget:nth-of-type(1) h3 {
    color: var(--color-accent-1); /* Recent Posts */
}

.sidebar-widget:nth-of-type(2) h3 {
    color: var(--color-primary); /* Categories */
}

.sidebar-widget:nth-of-type(3) h3 {
    color: var(--color-secondary); /* Tags */
}

.sidebar-widget:nth-of-type(4) h3 {
    color: var(--color-accent-2); /* Archive */
}

.sidebar-widget ul {
    list-style: none;
}

.sidebar-widget li {
    margin-bottom: 0rem;
}

.sidebar-widget a {
    color: var(--color-text);
    display: block;
    transition: color 0.2s ease;
}

.sidebar-widget a:hover {
    color: var(--color-accent-2);
    text-decoration: none;
}

/* Recent posts with date */
.recent-post-item {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-bg-light);
}

.recent-post-item:last-child {
    border-bottom: none;
}

.recent-post-date {
    color: var(--color-text-very-dim);
    font-size: 0.85rem;
    display: block;
    margin-top: 0.25rem;
}

/* Category/Tag lists with count */
.taxonomy-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.taxonomy-count {
    background-color: var(--color-bg-light);
    color: var(--color-text-dim);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* Tag cloud - inline tags with spacing */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.tag-cloud a {
    background-color: var(--color-bg-light);
    color: var(--color-text);
    padding: 0.25rem 0.25rem;
    border-radius: 0px;
    font-size: 0.9rem;
    transition:
        background-color 0.2s ease,
        color 0.2s ease;
}

.tag-cloud a:hover {
    background-color: var(--color-accent-2);
    color: var(--color-black);
    text-decoration: none;
}

/* Year archive with post counts */
.year-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
}

.year-count {
    background-color: var(--color-bg-light);
    color: var(--color-text-dim);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* ============================================
   CODE BLOCKS
   ============================================ */
code {
    font-family:
        "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
    font-size: 0.9em;
}

/* Inline code */
p code,
li code {
    background-color: var(--color-bg-light);
    color: var(--color-text-bright);
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

/* Code blocks */
pre {
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-bg-light);
    border-radius: 6px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 2rem 0;
    line-height: 1.5;
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* ============================================
   LATEX / MATH RENDERING
   ============================================ */
.katex {
    font-size: 1.1em;
}

.katex-display {
    margin: 2rem 0;
    overflow-x: auto;
    overflow-y: hidden;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--color-bg-light);
}

.footer-text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-dim);
    margin: 0;
}

.footer-text a {
    color: var(--color-text-bright);
}

.footer-text a:hover {
    color: var(--color-primary);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 3rem 0;
    list-style: none;
}

.pagination a {
    background-color: var(--color-bg-dark);
    color: var(--color-text);
    padding: 0.75rem 1.25rem;
    border-radius: 4px;
    border: 1px solid var(--color-bg-light);
    transition: all 0.2s ease;
}

.pagination a:hover {
    background-color: var(--color-accent-2);
    color: var(--color-black);
    border-color: var(--color-accent-2);
    text-decoration: none;
}

.pagination .active a {
    background-color: var(--color-secondary);
    color: var(--color-black);
    border-color: var(--color-secondary);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets */
@media (max-width: 968px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .sidebar-column {
        position: static;
        max-height: none;
    }

    .banner-title {
        font-size: 2rem;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }

    .site-header {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1rem;
    }

    .article-banner {
        height: 200px;
    }

    .banner-title {
        font-size: 1.5rem;
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    .post-preview {
        padding: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
    h3 {
        font-size: 1.25rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 1rem;
}
.mt-2 {
    margin-top: 2rem;
}
.mb-1 {
    margin-bottom: 1rem;
}
.mb-2 {
    margin-bottom: 2rem;
}

/* ============================================
   Alert Styles
   ============================================ */

/* Base alert box (no label) */
.alert-box {
    background-color: var(--color-bg-dark);
    border-left: 3px solid var(--color-text-dim);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
    color: var(--color-text);
}

/* Shared alert styling */
.alert {
    background-color: var(--color-bg-dark);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
    border-left: 3px solid;
}

.alert-label {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.alert-content {
    color: var(--color-text);
}

/* Type variants */
.alert-warning {
    border-color: var(--color-accent-2);
}

.alert-warning .alert-label {
    color: var(--color-accent-2);
}

.alert-info {
    border-color: var(--color-primary);
}

.alert-info .alert-label {
    color: var(--color-primary);
}

.alert-note {
    border-color: var(--color-secondary);
}

.alert-note .alert-label {
    color: var(--color-secondary);
}

.alert-error {
    border-color: var(--color-error);
}

.alert-error .alert-label {
    color: var(--color-error);
}

.alert-important {
    border-color: var(--color-accent-3);
}

.alert-important .alert-label {
    color: var(--color-accent-3);
}

/* ============================================
   Highlight Styles
   ============================================ */

/* Highlight boxes */
.highlight-box {
    background-color: var(--color-bg-dark);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
    border: 2px solid;
}

.highlight-label {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.highlight-icon {
    font-size: 1rem;
    margin-right: 0.5rem;
}

.highlight-content {
    color: var(--color-text);
}

/* Type variants */
.highlight-tip {
    border-color: var(--color-primary);
}
.highlight-tip .highlight-label {
    color: var(--color-primary);
}
.highlight-tip .highlight-icon::before {
    content: "★";
}

.highlight-warning {
    border-color: var(--color-accent-2);
}
.highlight-warning .highlight-label {
    color: var(--color-accent-2);
}
.highlight-warning .highlight-icon::before {
    content: "⚠";
}

.highlight-success {
    border-color: var(--color-secondary);
}
.highlight-success .highlight-label {
    color: var(--color-secondary);
}
.highlight-success .highlight-icon::before {
    content: "✓";
}

.highlight-error {
    border-color: var(--color-error);
}
.highlight-error .highlight-label {
    color: var(--color-error);
}
.highlight-error .highlight-icon::before {
    content: "✗";
}

.highlight-important {
    border-color: var(--color-accent-3);
}
.highlight-important .highlight-label {
    color: var(--color-accent-3);
}
.highlight-important .highlight-icon::before {
    content: "⚡";
}

/* ============================================
   Table Styles
   ============================================ */

/* Table wrapper with colored variants */
.table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
}

/* Colored table variants */
.table-wrapper.table-primary table {
    border-color: var(--color-primary);
}
.table-wrapper.table-primary table th {
    color: var(--color-primary);
    border-color: var(--color-primary) !important;
}

.table-wrapper.table-secondary table {
    border-color: var(--color-secondary);
}
.table-wrapper.table-secondary table th {
    color: var(--color-secondary);
    border-color: var(--color-secondary) !important;
}

.table-wrapper.table-accent-1 table {
    border-color: var(--color-accent-1);
}
.table-wrapper.table-accent-1 table th {
    color: var(--color-accent-1);
    border-color: var(--color-accent-1) !important;
}

.table-wrapper.table-accent-2 table {
    border-color: var(--color-accent-2);
}
.table-wrapper.table-accent-2 table th {
    color: var(--color-accent-2);
    border-color: var(--color-accent-2) !important;
}

.table-wrapper.table-accent-3 table {
    border-color: var(--color-accent-3);
}
.table-wrapper.table-accent-3 table th {
    color: var(--color-accent-3);
    border-color: var(--color-accent-3) !important;
}

/* ============================================
   Details Styles
   ============================================ */

/* Details/collapsible boxes */
.details-box {
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-bg-light);
    border-radius: 4px;
    padding: 1rem 1.5rem;
    margin: 2rem 0;
}

.details-summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
    user-select: none;
    margin-bottom: 0;
    list-style: none;
}

.details-summary::-webkit-details-marker {
    display: none;
}

.details-summary::before {
    content: "▶ ";
    display: inline-block;
    transition: transform 0.2s;
    margin-right: 0.5rem;
}

.details-box[open] .details-summary::before {
    transform: rotate(90deg);
}

.details-summary:hover {
    color: var(--color-accent-1);
}

.details-content {
    margin-top: 1rem;
    color: var(--color-text);
    padding-top: 1rem;
    border-top: 1px solid var(--color-bg-light);
}

/* ============================================
   Img Styles
   ============================================ */

/* Image figures */
.img-figure {
    max-width: var(--img-width, 800px);
    margin: 2rem auto;
}

.img-figure img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

.img-figure figcaption {
    text-align: center;
    color: var(--color-text-dim);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    font-style: italic;
}

/* ============================================
   TabGroup Styles
   ============================================ */

/* Tab groups */
.tab-group {
    margin: 2rem 0;
}

.tab-pane pre {
    margin-top: 0;
}

.tab-buttons {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--color-bg-light);
    margin-bottom: 0rem;
}

.tab-btn {
    background: var(--color-bg-dark);
    border: none;
    color: var(--color-text-dim);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--color-accent-1);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* ============================================
   YouTube Styles
   ============================================ */

/* YouTube embeds */
.youtube-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    margin: 2rem 0;
    border-radius: 4px;
}

.youtube-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}