:root {
    --color-primary: #217346;
    --color-primary-light: #2d9259;
    --color-primary-dark: #1a5c38;
    --color-bg: #fafafa;
    --color-bg-alt: #f0f0f0;
    --color-text: #333;
    --color-text-light: #666;
    --color-border: #ddd;
    --font-main: "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-mono: "Cascadia Code", Consolas, monospace;
    --header-height: 56px;
    --content-max-width: 900px;
}

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

html {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 15px;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.page-wrapper {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ========== HEADER ========== */
.site-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background: var(--color-primary);
    color: white;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
}

.site-logo {
    font-size: 1.15rem;
    font-weight: 600;
    color: white;
    white-space: nowrap;
    justify-self: start;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-img {
    height: 32px;
    width: 32px;
    min-height: 32px;
    min-width: 32px;
}

.site-logo:hover {
    text-decoration: none;
    opacity: 0.9;
}

/* Search bar - centered in middle column */
.search-bar {
    width: 100%;
    max-width: 500px;
    justify-self: center;
    position: relative;
}

.search-input-wrapper {
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 8px 40px 8px 14px;
    border: none;
    font-size: 0.9rem;
    font-family: var(--font-main);
}

.search-bar input:focus {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 1px;
}

.search-bar input::placeholder {
    color: #999;
}

.search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    pointer-events: none;
}

.search-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Header nav - right column */
.header-nav {
    display: flex;
    gap: 24px;
    justify-self: end;
    grid-column: 3;
}

.header-nav a {
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
    transition: opacity 0.2s;
    white-space: nowrap;
}

.header-nav a:hover {
    opacity: 1;
    text-decoration: none;
}

/* Hamburger - hidden by default, shown when nav doesn't fit */
.hamburger-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    justify-self: end;
    grid-column: 3;
}

/* Search results dropdown */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: white;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: none;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
}

.search-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

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

.search-result-item:hover {
    background: var(--color-bg);
    text-decoration: none;
}

.search-result-title {
    font-size: 0.9rem;
    font-weight: 500;
}

.search-result-category {
    font-size: 0.75rem;
    color: var(--color-text-light);
    background: var(--color-bg-alt);
    padding: 2px 8px;
    margin-left: 12px;
    flex-shrink: 0;
}

.search-no-results {
    padding: 14px;
    color: var(--color-text-light);
    font-size: 0.9rem;
    text-align: center;
}

/* ========== MOBILE MENU ========== */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
}

.mobile-menu-overlay.open {
    display: block;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: white;
    z-index: 201;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    visibility: hidden;
}

.mobile-menu.open {
    transform: translateX(0);
    visibility: visible;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    color: var(--color-primary);
}

.mobile-menu-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--color-text);
}

.mobile-menu-search {
    display: none;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu-search .search-bar {
    max-width: none;
    justify-self: stretch;
}

.mobile-menu-search .search-bar input {
    padding: 10px 40px 10px 12px;
    border: 1px solid var(--color-border);
}

.mobile-menu-search .search-bar input:focus {
    outline: 2px solid var(--color-primary);
    border-color: transparent;
}

.mobile-menu-search .search-results {
    position: static;
    margin-top: 12px;
    box-shadow: none;
    border: none;
    border-top: 1px solid var(--color-border);
    max-height: none;
    padding-top: 4px;
}

.mobile-menu-search .search-result-item {
    padding: 12px 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.mobile-menu-search .search-result-category {
    background: none;
    padding: 0;
}

.mobile-menu-search .search-no-results {
    padding: 12px 0;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
}

.mobile-menu-nav a {
    padding: 14px 20px;
    color: var(--color-text);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.15s, color 0.15s;
}

.mobile-menu-nav a:hover {
    background: var(--color-bg);
    color: var(--color-primary);
    text-decoration: none;
}

.mobile-menu-nav a svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

/* ========== MAIN CONTENT ========== */
.content {
    min-height: 100vh;
}

.content > *:not(.article-toc):not(.article-wrapper) {
    max-width: var(--content-max-width);
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 32px 24px;
}

/* Article wrapper - handles layout modes */
.article-wrapper {
    display: grid;
    grid-template-columns: 1fr minmax(0, var(--content-max-width)) 1fr;
    gap: 24px;
    padding: 32px 24px;
}

.article-col-left {
    position: relative;
}

.article-col-left .article-toc {
    position: sticky;
    top: 32px;
    left: 24px;
    width: calc((100vw - var(--content-max-width)) / 2 - 48px);
}

.article-col-right {
    /* empty column for balance */
}

/* ========== FOOTER ========== */
.site-footer {
    padding: 20px 24px;
    background: white;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.footer-links {
    display: flex;
    gap: 20px;
}

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

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

/* ========== HOME PAGE ========== */
.homepage {
    padding-top: 32px;
}

.welcome {
    margin-bottom: 32px;
}

.welcome h1 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.welcome h1 .article-count {
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-text-light);
    margin-left: 0;
}

.welcome p {
    color: var(--color-text-light);
    font-size: 1.05rem;
}

.featured-section {
    margin-bottom: 40px;
}

.featured-section h2,
.categories-section h2 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary);
}

.view-all-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 0.9rem;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    background: white;
    transition: background 0.2s, color 0.2s;
}

.view-all-btn:hover {
    background: var(--color-primary);
    color: white;
    text-decoration: none;
}

/* Article cards grid */
.article-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.article-card {
    background: white;
    outline: 1px solid var(--color-border);
    overflow: hidden;
    transition: outline-color 0.2s, box-shadow 0.2s;
    display: block;
}

.article-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: fill;
    display: block;
}

.article-card:hover {
    outline-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(33, 115, 70, 0.15);
    text-decoration: none;
}

.article-card-content {
    padding: 16px;
}

.article-card h3 {
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: 8px;
}

.article-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 0;
    line-height: 1.5;
}

.article-card .article-meta {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-bottom: 8px;
    display: block;
}

.placeholder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Category cards */
.category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

@media (min-width: 769px) {
    .category-cards {
        grid-template-columns: repeat(auto-fit, minmax(150px, 200px));
    }
}

.category-card {
    background: white;
    outline: 1px solid var(--color-border);
    overflow: hidden;
    transition: outline-color 0.2s, box-shadow 0.2s;
    display: block;
}

.category-card:hover {
    outline-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(33, 115, 70, 0.15);
    text-decoration: none;
}

.category-img {
    aspect-ratio: 1 / 1;
    background: var(--color-bg-alt);
    overflow: hidden;
}

.category-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.category-name {
    padding: 12px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text);
    text-align: center;
}

/* ========== ARTICLE PAGE ========== */
.article-header {
    margin-bottom: 24px;
}

.article-header h1 {
    font-size: 1.8rem;
    line-height: 1.3;
    margin-bottom: 12px;
}

.article-meta {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.article-meta a {
    color: var(--color-primary);
}

.breadcrumbs {
    display: inline;
}

.categories-page > .breadcrumbs {
    display: block;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.breadcrumb-sep {
    margin: 0 6px;
    color: var(--color-text-light);
}

.breadcrumb-current {
    color: var(--color-text-light);
}

.meta-sep {
    margin: 0 8px;
}

/* Article body */
.article-body {
    line-height: 1.7;
}

.article-intro {
    margin-bottom: 24px;
}

.article-intro p {
    font-size: 1.1rem;
    color: var(--color-text);
    margin: 0;
}

.article-body figure {
    float: right;
    width: 35%;
    margin: 0 0 20px 24px;
}

.article-body figure img {
    width: 100%;
    border: 1px solid var(--color-border);
    display: block;
}

.text-image-pair {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: start;
    margin-bottom: 24px;
}

.text-image-pair p:last-child {
    display: flex;
    flex-direction: column;
    max-width: 360px;
}

.text-image-pair img {
    max-width: 360px;
    height: auto;
    border: 1px solid var(--color-border);
    border-bottom: none;
}

.text-image-pair p:last-child::after {
    content: attr(data-alt);
    display: block;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    padding: 8px 12px;
    font-size: 0.75rem;
    font-style: italic;
    color: var(--color-text-light);
    text-align: center;
}

.article-body figure figcaption {
    font-size: 0.85rem;
    color: var(--color-text-light);
    padding: 8px;
    text-align: center;
    background: white;
    border: 1px solid var(--color-border);
    border-top: none;
}

.article-body h2 {
    font-size: 1.4rem;
    margin: 28px 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
    clear: both;
}

.article-body h3 {
    font-size: 1.15rem;
    margin: 24px 0 12px;
    clear: both;
}

.article-body p {
    margin: 14px 0;
}

.article-body ul, .article-body ol {
    margin: 14px 0;
    padding-left: 28px;
}

.article-body li {
    margin: 6px 0;
}

.article-body code {
    font-family: var(--font-mono);
    background: var(--color-bg-alt);
    padding: 2px 6px;
    font-size: 0.9em;
}

.article-body pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 16px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 16px 0;
    position: relative;
}

.article-body pre code {
    background: none;
    padding: 0;
}

.article-body blockquote {
    margin: 20px 0;
    padding: 12px 20px;
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-primary);
    font-style: italic;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.article-body th, .article-body td {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    text-align: left;
}

.article-body th {
    background: var(--color-bg-alt);
    font-weight: 600;
}

/* Syntax highlighting */
.highlight {
    margin: 16px 0;
    position: relative;
}

.highlight pre {
    margin: 0;
}

/* Copy button for code blocks */
.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: transparent;
    border: none;
    border-radius: 4px;
    padding: 4px;
    cursor: pointer;
    color: #888;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.copy-btn.copied {
    color: #4ade80;
}

.copy-btn svg {
    width: 16px;
    height: 16px;
}

/* Article TOC - base styles */
nav.article-toc {
    background: white;
    border: 1px solid var(--color-border);
    padding: 16px 20px;
    z-index: 100;
}

/* Article TOC - Inline mode (for small screens) */
.article-wrapper nav.article-toc.toc-inline,
nav.article-toc.toc-inline {
    position: static;
    width: 100%;
    margin: 0 0 24px 0;
}

nav.article-toc h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

nav.article-toc .toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav.article-toc .toc-list > li {
    margin: 8px 0;
}

nav.article-toc .toc-list a {
    color: var(--color-text);
    font-size: 0.85rem;
}

nav.article-toc .toc-list a:hover {
    color: var(--color-primary);
}

nav.article-toc .toc-list ul {
    list-style: none;
    padding-left: 16px;
    margin: 4px 0 0 0;
}

nav.article-toc .toc-list ul li {
    margin: 4px 0;
}

nav.article-toc .toc-list ul a {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* Learn more box */
.learn-more {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    padding: 20px 24px;
    margin: 28px 0;
}

.learn-more h4 {
    font-size: 0.95rem;
    margin-bottom: 12px;
    color: var(--color-primary-dark);
}

.learn-more ul {
    list-style: none;
    padding: 0;
}

.learn-more li {
    margin: 8px 0;
}

.learn-more a {
    font-size: 0.9rem;
}

/* Article footer */
.article-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.last-updated {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* ========== CATEGORIES PAGE ========== */
.categories-page .welcome {
    margin-bottom: 24px;
}

.category-filter {
    margin-bottom: 24px;
    position: relative;
}

.category-filter-wrapper {
    position: relative;
    max-width: 400px;
}

.category-filter input {
    width: 100%;
    padding: 12px 40px 12px 14px;
    border: 1px solid var(--color-border);
    font-size: 0.95rem;
    font-family: var(--font-main);
}

.category-filter input:focus {
    outline: 2px solid var(--color-primary);
    border-color: transparent;
}

.category-filter .search-icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    pointer-events: none;
}

.category-filter .search-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.category-filter-icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: #999;
    pointer-events: none;
}

.category-filter-empty {
    padding: 20px;
    color: var(--color-text-light);
    text-align: center;
    background: white;
    border: 1px solid var(--color-border);
}

/* Category tree */
.category-tree {
    background: white;
    border: 1px solid var(--color-border);
    padding: 24px;
    list-style: none;
}

.category-tree ul {
    list-style: none;
    padding-left: 0;
}

.category-tree-root {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.category-tree-root:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.category-tree-root.last-visible {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.category-tree-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-text);
    font-size: 0.95rem;
}

.category-tree-link.root {
    font-weight: 600;
    font-size: 1.1rem;
}

.category-tree-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.category-tree-toggle {
    width: 16px;
    height: 16px;
    margin-left: 6px;
    color: var(--color-text-light);
    cursor: pointer;
    transition: transform 0.15s;
}

.category-tree-root:not(.collapsed) > a .category-tree-toggle,
.category-tree-item:not(.collapsed) > a .category-tree-toggle {
    transform: rotate(90deg);
}

.category-tree-children {
    margin-left: 20px;
    margin-top: 8px;
    list-style: none;
    padding-left: 0;
}

.category-tree-root.collapsed > .category-tree-children,
.category-tree-item.collapsed > .category-tree-children {
    display: none;
}

.category-tree-item {
    margin: 6px 0;
}

.article-count {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-left: 8px;
}

.category-tree-count {
    font-size: inherit;
    font-weight: 400;
    color: var(--color-text-light);
}

/* Category filter states */
.filter-hidden {
    display: none !important;
}

.no-visible-children > a .category-tree-toggle {
    display: none;
}

.filter-match-indicator {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-left: 8px;
}

.filter-match-link {
    color: var(--color-primary);
}

.filter-match-link:hover {
    text-decoration: underline;
}

.filter-match-subcat {
    font-style: italic;
}

/* ========== ARCHIVES PAGE ========== */
.archives-list {
    background: white;
    border: 1px solid var(--color-border);
}

/* Article list - horizontal cards */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.article-list-item {
    display: flex;
    background: white;
    outline: 1px solid var(--color-border);
    overflow: hidden;
    transition: outline-color 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: var(--color-text);
    height: 120px;
}

.article-list-item:hover {
    outline-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(33, 115, 70, 0.15);
    text-decoration: none;
}

.article-list-img {
    flex-shrink: 0;
    aspect-ratio: 1 / 1;
    align-self: stretch;
    overflow: hidden;
}

.article-list-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.article-list-img .placeholder-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-list-content {
    flex: 1;
    padding: 14px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    overflow: hidden;
}

.article-list-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-list-content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0 0 6px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-shrink: 0;
}

.article-list-content .article-meta {
    font-size: 0.8rem;
    color: var(--color-text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.pagination-btn {
    padding: 10px 20px;
    border: 1px solid var(--color-border);
    background: white;
    color: var(--color-text);
    font-size: 0.9rem;
    transition: border-color 0.2s, background 0.2s;
}

.pagination-btn:hover:not(.disabled) {
    border-color: var(--color-primary);
    background: var(--color-bg);
    text-decoration: none;
}

.pagination-btn.disabled {
    color: var(--color-text-light);
    background: var(--color-bg);
    cursor: default;
}

.pagination-info {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.archive-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

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

.archive-item:hover {
    background: var(--color-bg);
    text-decoration: none;
}

.archive-item h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.archive-item-category {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.archive-item-date {
    font-size: 0.8rem;
    color: var(--color-text-light);
    flex-shrink: 0;
    margin-left: 20px;
}

/* ========== FOLDER/CATEGORY PAGE ========== */
.folder-header {
    margin-bottom: 24px;
}

.folder-header h1 {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.folder-description {
    color: var(--color-text-light);
}

.subcategories-section {
    margin-bottom: 32px;
}

.subcategories-section h2 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.subcategory-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.subcategory-card {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 18px;
    background: white;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.subcategory-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(33, 115, 70, 0.15);
    text-decoration: none;
}

.subcategory-name {
    font-weight: 500;
    font-size: 0.95rem;
}

.subcategory-count {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-light);
}

.articles-section h2 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.no-articles {
    color: var(--color-text-light);
    font-style: italic;
    padding: 20px 0;
}

/* ========== STATIC PAGES ========== */
.static-page h1 {
    font-size: 1.8rem;
    margin-bottom: 24px;
}

.static-page h2 {
    font-size: 1.3rem;
    margin: 28px 0 14px;
}

.static-page p {
    margin: 14px 0;
}

.static-page ul {
    margin: 14px 0;
    padding-left: 24px;
}

.static-page li {
    margin: 6px 0;
}

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

/* Middle screens - two column layout, no right column */
@media (max-width: 1436px) and (min-width: 900px) {
    .article-wrapper {
        grid-template-columns: 220px 1fr;
    }
    
    .article-col-left .article-toc {
        width: 220px;
        left: 24px;
    }
    
    .article-wrapper .article {
        max-width: var(--content-max-width);
    }
    
    .article-col-right {
        display: none;
    }
}

/* Small screens - TOC inline (handled by JS) */
@media (max-width: 899px) {
    .article-wrapper .article-toc:not(.toc-inline) {
        display: none;
    }
    
    .article-wrapper {
        display: block;
        padding: 32px 24px;
    }
    
    .article-col-left,
    .article-col-right {
        display: none;
    }
}

/* Medium screens - nav links don't fit in 25%, show hamburger */
@media (max-width: 900px) {
    .header-nav {
        display: none;
    }
    
    .hamburger-btn {
        display: flex;
    }
}

/* Small screens - hide header search, show it in mobile menu */
@media (max-width: 768px) {
    .header-inner {
        padding: 0 16px;
        grid-template-columns: 1fr auto;
    }
    
    .header-inner > .search-bar {
        display: none;
    }
    
    .mobile-menu-search {
        display: block;
    }
    
    .content > *:not(.site-footer) {
        padding: 24px 16px;
    }
    
    .welcome h1 {
        font-size: 1.5rem;
    }
    
    .article-header h1 {
        font-size: 1.5rem;
    }
    
    .article-body figure {
        float: none;
        width: 100%;
        margin: 16px 0;
    }
    
    .text-image-pair {
        grid-template-columns: 1fr;
    }
    
    .text-image-pair p:last-child,
    .text-image-pair img {
        max-width: 100%;
    }
    
    .article-cards {
        grid-template-columns: 1fr;
    }

    .site-footer {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .archive-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .archive-item-date {
        margin-left: 0;
    }
    
    .article-list-item {
        min-height: 90px;
    }
    
    .article-list-img {
        width: 90px;
        aspect-ratio: 1 / 1;
        object-fit: cover;
    }
    
    .article-list-content {
        padding: 0 10px;
    }
    
    .article-list-content h3 {
        font-size: 0.95rem;
    }
    
    .article-list-content p {
        font-size: 0.85rem;
        -webkit-line-clamp: 1;
    }
    
    .article-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .pagination-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .pagination-info {
        width: 100%;
        text-align: center;
        order: -1;
    }
}

/* Scroll margin for anchor links */
h2[id], h3[id] {
    scroll-margin-top: 80px;
}