/* LTM-inspired minimal design */

@import url('https://rsms.me/inter/inter.css');

:root {
    --bg-color: #a8d8c8;
    --text-color: #2a2a2a;
    --header-color: #1a1a1a;
    --accent-color: #2e7d6a;
    --link-color: #2e7d6a;
    --link-hover-color: #1d5c4e;
    --border-color: #7aab9a;
    --code-bg: #92c8b6;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-feature-settings: 'liga' 1, 'calt' 1; /* Inter's OpenType features */
    font-size: 16px;
    line-height: 1.7;
}

a {
    color: var(--link-color);
    text-decoration: underline;
}

a:hover {
    color: var(--link-hover-color);
}

/* Site layout */
.site-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Site header */
.site-header {
    margin-bottom: 10px;
    border-bottom: 2px solid var(--header-color);
    padding-bottom: 15px;
}

.site-title {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 22px;
    font-weight: bold;
    margin: 0 0 5px 0;
    color: var(--header-color);
}

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

.site-tagline {
    font-size: 15px;
    color: var(--text-color);
    margin: 0;
    font-style: italic;
    opacity: 0.85;
}

/* Site navigation */
.site-nav {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
    padding: 10px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.site-nav a:focus-visible,
.category-nav a:focus-visible,
.search-box:focus,
.filter-group select:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.site-nav a {
    color: var(--link-color);
    text-decoration: none;
    margin-right: 5px;
}

.site-nav a:hover {
    text-decoration: underline;
    color: var(--link-hover-color);
}

.site-nav a.active {
    font-weight: bold;
    color: var(--header-color);
}

.nav-sep {
    color: var(--border-color);
    margin: 0 3px;
}

/* Article listing */
.post-listing {
    margin-bottom: 35px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

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

.post-listing h2 {
    font-size: 22px;
    font-weight: normal;
    margin: 0 0 5px 0;
    line-height: 1.3;
}

.post-listing h2 a {
    color: var(--header-color);
    text-decoration: none;
}

.post-listing h2 a:hover {
    text-decoration: underline;
}

.post-date {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-color);
    opacity: 0.7;
    margin-bottom: 8px;
}

.post-category-label {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
}

.post-reading-time {
    font-size: 12px;
    color: #999;
    margin-left: 4px;
}

.dropdown-reading-time {
    font-size: 12px;
    color: #999;
    margin-left: 8px;
}

.post-excerpt {
    font-size: 15px;
    line-height: 1.6;
    margin: 8px 0 0 0;
}

.post-thumbnail {
    margin-bottom: 12px;
}

.post-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

/* Dithered image canvas */
canvas.dithered {
    width: 100%;
    height: auto;
    display: block;
}

/* Page headers */
.page-title {
    font-size: 28px;
    font-weight: normal;
    color: var(--header-color);
    margin: 0 0 5px 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.page-description {
    font-size: 15px;
    font-style: italic;
    opacity: 0.8;
    margin: 0 0 30px 0;
}

/* Sub-navigation for category pages */
.category-nav {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
    margin-bottom: 30px;
}

.category-nav a {
    color: var(--link-color);
    text-decoration: none;
    margin-right: 5px;
}

.category-nav a:hover {
    text-decoration: underline;
}

.category-nav a.active {
    font-weight: bold;
    color: var(--header-color);
}

/* Blog post viewer */
.blog-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px 20px;
}

.blog-header {
    margin-bottom: 30px;
}

.blog-header h1 {
    color: var(--header-color);
    font-size: 30px;
    margin: 0 0 10px 0;
    font-weight: normal;
    line-height: 1.3;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.blog-meta {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-color);
    opacity: 0.7;
}

.blog-content {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-color);
}

.blog-content h2 {
    color: var(--header-color);
    margin: 35px 0 15px;
    font-size: 24px;
    font-weight: normal;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.blog-content h3 {
    color: var(--header-color);
    margin: 25px 0 12px;
    font-size: 20px;
    font-weight: normal;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.blog-content p {
    margin-bottom: 18px;
}

.blog-content a {
    color: var(--link-color);
    text-decoration: underline;
}

.blog-content a:hover {
    color: var(--link-hover-color);
}

.blog-content ul, .blog-content ol {
    margin: 18px 0;
    padding-left: 25px;
}

.blog-content li {
    margin-bottom: 6px;
}

.blog-content strong {
    color: var(--header-color);
    font-weight: bold;
}

.blog-content pre {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    padding: 15px;
    overflow-x: auto;
    margin: 18px 0;
    font-size: 14px;
}

.blog-content code {
    background: var(--code-bg);
    padding: 2px 5px;
    font-family: Monaco, 'Courier New', monospace;
    font-size: 14px;
}

.blog-content pre code {
    background: none;
    padding: 0;
}

.blog-content blockquote {
    border-left: 3px solid var(--accent-color);
    padding: 10px 20px;
    margin: 18px 0;
    font-style: italic;
    background: var(--code-bg);
}

.blog-content img {
    max-width: 100%;
    height: auto;
    margin: 18px 0;
}

.blog-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 35px 0;
}

/* LaTeX/MathJax */
.blog-content mjx-container {
    overflow-x: auto;
    overflow-y: hidden;
    max-width: 100%;
}

.blog-content mjx-container[display="true"] {
    margin: 1.2em 0;
}

/* Footnotes */
.blog-content .footnotes {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9em;
}

/* References / bibliography */
.blog-content .references {
    font-size: 14px;
    line-height: 1.6;
}

.blog-content .references p {
    padding-left: 2em;
    text-indent: -2em;
    margin-bottom: 10px;
}

/* Image captions */
.blog-content img + em {
    display: block;
    text-align: center;
    margin-top: -12px;
    margin-bottom: 18px;
    font-size: 0.9em;
    opacity: 0.8;
}

/* Tables */
.blog-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.blog-content table th,
.blog-content table td {
    padding: 10px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.blog-content table th {
    font-weight: bold;
    color: var(--header-color);
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
}

/* Footer */
.site-footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-family: Monaco, 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-color);
    opacity: 0.7;
}

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

/* Media page */
.media-stats {
    display: flex;
    gap: 25px;
    margin: 20px 0 25px 0;
    flex-wrap: wrap;
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
}

.stat-item {
    color: var(--text-color);
}

.stat-number {
    font-weight: bold;
    color: var(--header-color);
}

.filters {
    margin-bottom: 25px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: var(--code-bg);
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-color);
    width: 250px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-group label {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
}

.filter-group select {
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    background: var(--code-bg);
    color: var(--text-color);
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
}

.media-list {
    margin-top: 20px;
}

.media-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.media-item-title {
    font-weight: bold;
    color: var(--header-color);
}

.media-item-author {
    font-style: italic;
    font-size: 15px;
}

.media-item-meta {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-color);
    opacity: 0.8;
    margin-top: 3px;
}

.media-type-label {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 11px;
    color: var(--accent-color);
    font-weight: bold;
}

.no-results {
    padding: 40px 0;
    font-style: italic;
    opacity: 0.7;
}

.loading {
    padding: 40px 0;
    font-family: Monaco, 'Courier New', monospace;
    font-size: 14px;
    color: var(--accent-color);
}

/* About page */
.about-content p {
    margin-bottom: 18px;
}

.research-item {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

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

.research-item h3 {
    font-size: 18px;
    font-weight: normal;
    color: var(--header-color);
    margin: 0 0 8px 0;
}

.research-item p {
    margin-bottom: 8px;
    font-size: 15px;
}

.research-item .links {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 13px;
}

/* Article dropdowns */
.article-dropdown {
    border-bottom: 1px solid var(--border-color);
    padding: 0;
}

.article-dropdown:first-child {
    border-top: 1px solid var(--border-color);
}

.article-dropdown summary {
    padding: 12px 0;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: baseline;
    gap: 12px;
    font-size: 15px;
    line-height: 1.4;
}

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

.article-dropdown summary::before {
    content: '+';
    font-family: Monaco, 'Courier New', monospace;
    font-size: 14px;
    color: var(--accent-color);
    flex-shrink: 0;
    width: 14px;
}

.article-dropdown[open] summary::before {
    content: '\2212';
}

.dropdown-date {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 12px;
    color: #888;
    flex-shrink: 0;
}

.dropdown-title {
    flex: 1;
    font-weight: bold;
    color: var(--header-color);
}

.dropdown-category {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.dropdown-body {
    padding: 0 0 15px 26px;
    font-size: 15px;
    color: #555;
}

.dropdown-body p {
    margin: 0 0 8px;
}

.dropdown-body a {
    font-family: Monaco, 'Courier New', monospace;
    font-size: 12px;
}

/* 404 */
.error-container {
    text-align: center;
    padding: 60px 0;
}

.error-code {
    font-size: 72px;
    color: var(--accent-color);
    font-weight: bold;
    font-family: Monaco, 'Courier New', monospace;
    margin-bottom: 10px;
}

/* Hero image */
.hero-image {
    margin-bottom: 30px;
}

.hero-image img,
.hero-image canvas {
    width: 100%;
    height: auto;
    display: block;
}

/* Split-panel layout (image sidebar + content) */
.split-layout {
    margin: 0;
    display: flex;
    min-height: 100vh;
}

.split-image-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 35%;
    height: 100vh;
    background-size: cover;
    background-repeat: no-repeat;
    filter: grayscale(40%) contrast(1.1);
    opacity: 0.85;
}

.split-image-panel::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 100%;
    background: linear-gradient(to left, var(--bg-color), transparent);
}

.split-layout .site-container {
    margin-left: 35%;
    width: 65%;
    max-width: none;
    padding: 40px 50px;
}

@media only screen and (max-width: 900px) {
    .split-image-panel {
        position: relative;
        width: 100%;
        height: 40vh;
    }

    .split-image-panel::after {
        width: 100%;
        height: 60px;
        top: auto;
        bottom: 0;
        right: 0;
        background: linear-gradient(to top, var(--bg-color), transparent);
    }

    .split-layout {
        flex-direction: column;
    }

    .split-layout .site-container {
        margin-left: 0;
        width: 100%;
        padding: 20px;
    }
}

/* Responsive */
@media only screen and (max-width: 768px) {
    .site-container, .blog-container {
        padding: 25px 15px;
    }

    .site-title {
        font-size: 18px;
    }

    .page-title, .blog-header h1 {
        font-size: 24px;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        width: 100%;
    }
}