:root {
    /* Light theme variables */
    --bg-color: #fafafa;
    --text-color: #333333;
    --accent-color: #4a5568;
    --secondary-bg: #f3f4f6;
    --border-color: #e5e7eb;
    --code-bg: #f5f5f5;
    --inline-code-bg: #e2e4e9;
    --inline-code-color: #c7254e;
    --paragraph-spacing: 1.5rem;
    --section-spacing: 2.5rem;
}

[data-theme="dark"] {
    --bg-color: #1a1b26;
    --text-color: #e5e7eb;
    --accent-color: #7aa2f7;
    --secondary-bg: #24283b;
    --border-color: #404040;
    --code-bg: rgba(45, 45, 45, 0.5);
    --inline-code-bg: #2d2f3d;
    --inline-code-color: #e06c75;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header Styles */
.site-header {
    background-color: var(--secondary-bg);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0.5rem;
    border-radius: 50%;
    transition: transform 0.3s;
}

#theme-toggle:hover {
    transform: scale(1.1);
}

/* Article Styles */
.blog-post {
    padding: 2rem 0;
}

.blog-post h2, .blog-post h3, .blog-post h4 {
    color: var(--accent-color);
}

[data-theme="dark"] .blog-post h2,
[data-theme="dark"] .blog-post h3,
[data-theme="dark"] .blog-post h4 {
    color: #ffffff;
}

.blog-post h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.blog-post h3 {
    font-size: 1.8rem;
    margin: 1.5rem 0 1rem;
}

.blog-post h4 {
    font-size: 1.4rem;
    margin: 1.25rem 0 0.75rem;
}

.blog-post .subtitle {
    font-size: 1.4rem;
    margin-bottom: var(--section-spacing);
}

.blog-post p {
    margin-bottom: var(--paragraph-spacing);
    font-size: 1.1rem;
}

.blog-post ul, .blog-post ol {
    margin-bottom: var(--paragraph-spacing);
    padding-left: 1.5rem;
}

.blog-post li {
    margin-bottom: 0.5rem;
}

/* Featured Image */
.featured-image {
    margin: 2rem 0;
    text-align: center;
}

.thumbnail-image {
    max-width: 80%;
    height: auto;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.thumbnail-image:hover {
    transform: scale(1.02);
}

.featured-image figcaption {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

/* Lightbox Overrides */
.lb-data .lb-caption {
    font-size: 1rem;
    color: var(--text-color);
}

[data-theme="dark"] .lb-data .lb-caption {
    color: #ffffff;
}

/* Code Block */
.code-example {
    margin: 2rem 0;
}

pre {
    background-color: var(--code-bg);
    padding: 0.4rem;
    margin-bottom: var(--paragraph-spacing);
    border-radius: 8px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

code {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

:not(pre) > code {
    background-color: var(--inline-code-bg);
    color: var(--inline-code-color);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* Accordion */
.accordion {
    margin: 2rem 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    padding: 1rem;
    background-color: var(--secondary-bg);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header h3 {
    margin: 0;
}

.accordion-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.accordion.active .accordion-content {
    padding: 1rem;
    max-height: 500px;
}

.accordion.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-icon {
    font-size: 1.5rem;
    transition: transform 0.3s;
}

/* Footer */
.site-footer {
    background-color: var(--secondary-bg);
    padding: 1rem 0;
    text-align: center;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Table of Contents */
.table-of-contents {
    background-color: var(--secondary-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin: var(--section-spacing) 0;
}

.table-of-contents h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    margin-top: 0;
}

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

.table-of-contents li {
    margin-bottom: 0.5rem;
}

.table-of-contents a {
    color: var(--accent-color);
    text-decoration: none;
    transition: opacity 0.3s;
    display: block;
    padding: 0.25rem 0;
}

.table-of-contents a:hover {
    opacity: 0.8;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --paragraph-spacing: 1.25rem;
        --section-spacing: 2rem;
    }
    
    .blog-post h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 0.5rem;
    }
    
    .blog-post p {
        font-size: 1rem;
    }
}

/* Link Colors */
.blog-post a {
    color: var(--accent-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.blog-post a:visited {
    color: var(--accent-color);
    opacity: 0.8;
}

.blog-post a:hover {
    opacity: 0.8;
}

[data-theme="dark"] .blog-post a {
    color: #7aa2f7;
}

[data-theme="dark"] .blog-post a:visited {
    color: #7aa2f7;
    opacity: 0.8;
}

/* Remove floating sidebar styles */
.floating-sidebar {
    display: none;
}

/* Media Styling */
.media-block {
    text-align: center;
    margin: var(--section-spacing) 0;
}

.media-block img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.blur-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

[data-theme="dark"] .blur-overlay {
    background-color: rgba(0, 0, 0, 0.9);
}

.blur-overlay.hidden {
    display: none;
}