/* Base Styles */
body {
    font-family: "Inter", sans-serif;
    background-color: #f9fafb;
    color: #1f2937;
    margin: 0;
    padding: 2rem;
    line-height: 1.6;
}

/* External Links (icons) */
.external-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.external-links .image-container img {
    width: 90px;
    height: 90px;
    border-radius: 16px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

#github-logo {
    background-color: black;
}

.external-links .image-container img:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Section Title */
h1 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #111827;
    border-left: 6px solid #7c3aed; /* purple accent stripe */
    padding-left: 0.75rem;
}

/* Thumbnail */
.thumbnail img {
    width: 240px;
    border-radius: 8px;
}

/* Description */
.description h1 {
    font-size: 1.3rem;
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: #111827;
}

.description .summary {
    margin-bottom: 1rem;
    color: #4b5563;
}

/* Download Link */
.download-link a {
    color: #7c3aed; /* purple accent */
    text-decoration: none;
    font-weight: 500;
}

.download-link a:hover {
    color: #5b21b6;
    text-decoration: underline;
}

/* Recent Blogs on Main Page */
.recent-blogs {
    margin-bottom: 2rem;
}

.recent-blog-post {
    display: flex;
    gap: 1.5rem;
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.recent-blog-post .blog-thumbnail {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
}

.recent-blog-post .blog-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recent-blog-post .blog-content {
    flex: 1;
}

.recent-blog-post:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
}

.recent-blog-post h3 {
    margin: 0 0 10px 0;
    font-size: 1.2rem;
    border-left: none;
    padding-left: 0;
}

.recent-blog-post h3 a {
    color: #111827;
    text-decoration: none;
}

.recent-blog-post h3 a:hover {
    color: #7c3aed;
    text-decoration: underline;
}

.recent-blog-post .blog-date {
    color: #6b7280;
    font-size: 0.9em;
    margin: 0 0 10px 0;
    font-weight: 500;
}

.recent-blog-post .blog-summary {
    color: #4b5563;
    line-height: 1.6;
    margin: 0;
}

.no-blogs {
    color: #6b7280;
    font-style: italic;
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* Blog Link on Main Page */
.blog-link {
    text-align: center;
    margin: 2rem 0 3rem 0;
}

.blog-link a {
    color: #7c3aed;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
}

.blog-link a:hover {
    color: #5b21b6;
    text-decoration: underline;
}

/* Blog Styles */
.blog-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.blog-header {
    text-align: center;
    margin-bottom: 40px;
}

.blog-header h1 {
    color: #111827;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 10px;
    border-left: none;
    padding-left: 0;
}

.blog-post {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}

.blog-post h1 {
    color: #111827;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 10px;
    border-left: none;
    padding-left: 0;
}

.blog-post h2 {
    color: #1f2937;
    margin-top: 30px;
    border-left: 4px solid #7c3aed;
    padding-left: 0.75rem;
}

.blog-post h3 {
    color: #374151;
    margin-top: 25px;
    border-left: 3px solid #a855f7;
    padding-left: 0.5rem;
}

.blog-post h4 {
    color: #4b5563;
    margin-top: 20px;
    border-left: 2px solid #a855f7;
    padding-left: 0.5rem;
}

.blog-post h5 {
    color: #6b7280;
    margin-top: 15px;
    font-size: 1.1rem;
}

.blog-post h6 {
    color: #9ca3af;
    margin-top: 10px;
    font-size: 1rem;
}

.blog-post p {
    margin-bottom: 15px;
    color: #4b5563;
}

.blog-post pre {
    background: #f3f4f6;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    border-left: 4px solid #7c3aed;
    line-height: 1.4;
}

.blog-post code {
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    font-size: 0.9em;
}

.blog-post pre code {
    background: none;
    padding: 0;
    line-height: 1.4;
}

.blog-post ul {
    margin-bottom: 15px;
    color: #4b5563;
}

.blog-post li {
    margin-bottom: 5px;
}

.blog-post a {
    color: #7c3aed;
    text-decoration: none;
    font-weight: 500;
}

.blog-post a:hover {
    color: #5b21b6;
    text-decoration: underline;
}

.blog-post-preview {
    display: flex;
    gap: 1.5rem;
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.blog-post-preview .blog-thumbnail {
    flex-shrink: 0;
    width: 150px;
    height: 150px;
    border-radius: 8px;
    overflow: hidden;
}

.blog-post-preview .blog-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-post-preview .blog-content {
    flex: 1;
}

.blog-post-preview:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
}

.blog-post-preview h2 {
    margin: 0 0 10px 0;
    border-left: none;
    padding-left: 0;
}

.blog-post-preview h2 a {
    color: #111827;
    text-decoration: none;
}

.blog-post-preview h2 a:hover {
    color: #7c3aed;
    text-decoration: underline;
}

.blog-date {
    color: #6b7280;
    font-size: 0.9em;
    margin: 0 0 10px 0;
    font-weight: 500;
}

.blog-summary {
    color: #4b5563;
    line-height: 1.6;
    margin: 0;
}

.blog-navigation {
    text-align: center;
    margin: 20px 0;
    padding: 20px;
}

.blog-navigation a {
    color: #7c3aed;
    text-decoration: none;
    font-weight: 500;
    margin: 0 10px;
}

.blog-navigation a:hover {
    color: #5b21b6;
    text-decoration: underline;
}

/* Table of Contents */
.table-of-contents {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.table-of-contents .toc-checkbox {
    display: none;
}

.table-of-contents .toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 0 15px 0;
    color: #111827;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
    border-left: none;
    padding-left: 0;
}

.table-of-contents .toc-header:hover {
    color: #7c3aed;
}

.table-of-contents .toc-arrow {
    font-size: 0.8em;
    color: #7c3aed;
    transition: transform 0.2s ease;
}

.table-of-contents .toc-arrow::before {
    content: "▶";
}

.table-of-contents .toc-checkbox:checked + .toc-header .toc-arrow::before {
    content: "▼";
}

.table-of-contents .toc-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    margin: 0;
    padding: 0;
    list-style: none;
}

.table-of-contents .toc-checkbox:checked ~ .toc-content {
    max-height: 1000px;
}

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

.table-of-contents li {
    margin: 0;
    padding: 4px 0;
}

.table-of-contents a {
    color: #4b5563;
    text-decoration: none;
    font-size: 0.95em;
    line-height: 1.4;
    display: block;
    padding: 2px 0;
    transition: color 0.2s ease;
}

.table-of-contents a:hover {
    color: #7c3aed;
    text-decoration: underline;
}

/* TOC indentation levels */
.toc-level-1 a {
    font-weight: 600;
    color: #111827;
}

.toc-level-2 a {
    padding-left: 20px;
    color: #374151;
    font-weight: 500;
}

.toc-level-3 a {
    padding-left: 40px;
    color: #4b5563;
}

.toc-level-4 a {
    padding-left: 60px;
    color: #6b7280;
    font-size: 0.9em;
}

.toc-level-5 a {
    padding-left: 80px;
    color: #6b7280;
    font-size: 0.85em;
}

.toc-level-6 a {
    padding-left: 100px;
    color: #9ca3af;
    font-size: 0.8em;
}

/* Blog Footer */
.blog-footer {
    text-align: center;
    margin: 40px 20px 20px 20px;
    padding: 20px;
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
    border-radius: 8px;
}

.blog-footer p {
    margin: 0;
    color: #6b7280;
    font-size: 0.9em;
}

.blog-footer a {
    color: #7c3aed;
    text-decoration: none;
    font-weight: 500;
}

.blog-footer a:hover {
    color: #5b21b6;
    text-decoration: underline;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .thumbnail img {
        width: 100%;
        max-width: 400px;
    }

    .description {
        text-align: center;
    }

    .blog-container,
    .blog-post {
        padding: 15px;
    }

    .blog-navigation {
        padding: 15px;
    }

    .blog-navigation a {
        display: block;
        margin: 5px 0;
    }

    /* Stack blog thumbnails vertically on mobile */
    .recent-blog-post,
    .blog-post-preview {
        flex-direction: column;
    }

    .recent-blog-post .blog-thumbnail,
    .blog-post-preview .blog-thumbnail {
        width: 100%;
        height: 200px;
        margin-bottom: 1rem;
    }
}