/* ═══════════════════════════════════════════════════════════
   graptolite.css — Blog design system for Butterfly
   Sidebar + title-list posts + graptolite aesthetic
   ═══════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  --gpt-bg:      #faf9f5;
  --gpt-bg2:     #f3f1ea;
  --gpt-bg3:     #eceae1;
  --gpt-dark:    #141413;
  --gpt-mid:     #6b6860;
  --gpt-faint:   #a8a59e;
  --gpt-subtle:  #e8e6dc;
  --gpt-accent:  #d97757;
  --gpt-accent2: #c4673e;
  --gpt-line:    rgba(20,20,19,0.1);
  --gpt-line2:   rgba(20,20,19,0.05);
  --gpt-serif:   'EB Garamond', Georgia, serif;
  --gpt-display: 'Cinzel', serif;
  --gpt-mono:    'IBM Plex Mono', monospace;
}

[data-theme="dark"] {
  --gpt-bg:      #1a1a19;
  --gpt-bg2:     #242422;
  --gpt-bg3:     #2e2e2b;
  --gpt-dark:    #e8e3da;
  --gpt-mid:     #a8a59e;
  --gpt-faint:   #6b6860;
  --gpt-subtle:  #3a3a36;
  --gpt-accent:  #e08a6a;
  --gpt-accent2: #d97757;
  --gpt-line:    rgba(232,227,218,0.1);
  --gpt-line2:   rgba(232,227,218,0.05);
}

/* ── Fonts ──────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600&family=IBM+Plex+Mono:wght@300;400;500&family=EB+Garamond:ital,wght@0,400;0,500;1,400&display=swap');

/* ── Base ───────────────────────────────────────────────── */
body {
  background: var(--gpt-bg);
  color: var(--gpt-dark);
  font-family: var(--gpt-serif);
  font-size: 18px;
  line-height: 1.8;
}

/* ── Parchment texture ──────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='4' seed='5' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.035'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)' fill='%23141413'/%3E%3C/svg%3E");
  background-size: 300px 300px;
  pointer-events: none;
  z-index: 0;
}
[data-theme="dark"] body::before { opacity: 0.5; }

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    repeating-linear-gradient(172deg, transparent, transparent 120px, rgba(20,20,19,0.018) 120px, rgba(20,20,19,0.018) 121px),
    repeating-linear-gradient(8deg, transparent, transparent 200px, rgba(20,20,19,0.012) 200px, rgba(20,20,19,0.012) 201px);
  pointer-events: none;
  z-index: 0;
}

#page-header, #content-inner, #footer, #aside-content,
#post, #recent-posts, #sidebar, .layout,
#web_bg { position: relative; z-index: 1; }

/* ═══════════════════════════════════════════════════════════
   HEADER — No hero, clean nav only
   ═══════════════════════════════════════════════════════════ */
body.index #page-header {
  height: auto !important;
  min-height: auto !important;
  max-height: auto !important;
}

body.index #page-header.not-top-img {
  height: auto !important;
  background: var(--gpt-bg) !important;
  border-bottom: 1px solid var(--gpt-line);
}

body.index #site-info,
body.index #site-title,
body.index #site-subtitle,
body.index #scroll-down,
body.index #page-header::before,
body.index #page-header::after,
body.index .scroll-hint {
  display: none !important;
}

#page-header {
  background: var(--gpt-bg) !important;
}

#page-header.fixed,
#page-header.not-top-img {
  background: var(--gpt-bg) !important;
  box-shadow: 0 1px 0 var(--gpt-line);
}

/* ── Nav ────────────────────────────────────────────────── */
#nav .site-name,
#nav .nav-site-title {
  font-family: var(--gpt-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gpt-dark);
}

#menus .menus_item a,
#nav a {
  font-family: var(--gpt-display);
  font-size: 10px;
  color: var(--gpt-mid);
  letter-spacing: .3em;
  text-transform: uppercase;
  transition: color .25s;
}
#menus .menus_item a:hover,
#nav a:hover { color: var(--gpt-dark); }

#menus .menus_item a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--gpt-accent);
  transition: width .3s;
}
#menus .menus_item a:hover::after { width: 100%; }

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--gpt-display);
  font-weight: 400;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--gpt-dark);
  line-height: 1.15;
}
h1 { font-size: clamp(28px, 4vw, 52px); letter-spacing: .06em; }
h2 { font-size: clamp(20px, 2.5vw, 32px); }
h3 { font-size: clamp(16px, 2vw, 24px); letter-spacing: .08em; }
h4 { font-size: 14px; letter-spacing: .2em; color: var(--gpt-mid); }

p { color: var(--gpt-dark); font-family: var(--gpt-serif); }
a { color: var(--gpt-dark); transition: color .25s; }
a:hover { color: var(--gpt-accent2); }

/* ═══════════════════════════════════════════════════════════
   INDEX — Layout: content + sidebar
   ═══════════════════════════════════════════════════════════ */
body.index #content-inner {
  padding-top: 24px;
}

/* Hide #aside-content (widget sidebar) — using #sidebar panel instead */
body #aside-content {
  display: none !important;
}

/* ── Category filter bar (injected by JS) ───────────────── */
.gpt-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 24px 0 28px;
  border-bottom: 1px solid var(--gpt-line);
  margin-bottom: 32px;
}

.gpt-filter-bar .gpt-filter-label {
  font-family: var(--gpt-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--gpt-faint);
  margin-right: 8px;
}

.gpt-filter-bar .gpt-filter-pill {
  font-family: var(--gpt-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gpt-mid);
  background: transparent;
  border: 1px solid var(--gpt-line);
  padding: 6px 16px;
  cursor: pointer;
  transition: all .25s;
  text-transform: capitalize;
  text-decoration: none;
  display: inline-block;
}
.gpt-filter-bar .gpt-filter-pill:hover {
  color: var(--gpt-dark);
  border-color: var(--gpt-dark);
}
.gpt-filter-bar .gpt-filter-pill.active {
  color: var(--gpt-bg);
  background: var(--gpt-dark);
  border-color: var(--gpt-dark);
}

/* ═══════════════════════════════════════════════════════════
   POST LIST — Title-focused, two columns, generous spacing
   ═══════════════════════════════════════════════════════════ */
#recent-posts {
  background: transparent !important;
}

.recent-post-items {
  display: grid !important;
  grid-template-columns: 1fr;
  gap: 0;
}

/* ── Post card — title row style ────────────────────────── */
.recent-post-item {
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  padding: 20px 0 20px !important;
  border-bottom: 1px solid var(--gpt-line) !important;
  display: flex;
  flex-direction: column !important;
  transition: none !important;
}

.recent-post-item:hover {
  transform: none !important;
  box-shadow: none !important;
  background: transparent !important;
}

/* Hide cover image */
.recent-post-item .post_cover {
  display: none !important;
}

/* Post info full width */
.recent-post-item .recent-post-info {
  width: 100% !important;
  padding: 0 !important;
}

/* ── Category label — small accent text above title ─────── */
.recent-post-item .article-meta__categories {
  font-family: var(--gpt-mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gpt-accent);
  display: inline-block;
}
.recent-post-item .article-meta__categories:hover {
  color: var(--gpt-accent2);
}

/* ── Title — the main element ───────────────────────────── */
.recent-post-item .article-title {
  font-family: var(--gpt-display);
  font-size: clamp(14px, 1.6vw, 19px);
  font-weight: 400;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--gpt-dark);
  line-height: 1.3;
  margin-bottom: 6px;
  transition: color .25s;
}
.recent-post-item .article-title:hover {
  color: var(--gpt-accent2);
}

/* ── Meta row — date, category ──────────────────────────── */
.recent-post-item .article-meta-wrap {
  font-family: var(--gpt-mono);
  font-size: 10px;
  color: var(--gpt-faint);
  letter-spacing: .1em;
  margin-bottom: 0;
}
.recent-post-item .post-meta-date {
  font-family: var(--gpt-mono);
  font-size: 10px;
  color: var(--gpt-faint);
  letter-spacing: .15em;
}
.recent-post-item .article-meta-separator {
  color: var(--gpt-line);
}

/* ── Hide excerpt (title-only mode) ─────────────────────── */
.recent-post-item .content {
  display: none !important;
}

/* ── Tags in cards ──────────────────────────────────────── */
.recent-post-item .article-meta__tags a {
  font-family: var(--gpt-mono);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gpt-faint);
  border: none;
  padding: 0;
  transition: color .25s;
}
.recent-post-item .article-meta__tags a:hover {
  color: var(--gpt-accent2);
}

/* ── Sticky icon ────────────────────────────────────────── */
.recent-post-item .sticky {
  color: var(--gpt-accent);
  font-size: 11px;
  margin-right: 4px;
}

/* ═══════════════════════════════════════════════════════════
   #SIDEBAR PANEL — Right slide-out panel (hamburger menu)
   Redesigned with info, links, tags
   ═══════════════════════════════════════════════════════════ */

/* ── Panel background ───────────────────────────────────── */
#sidebar #sidebar-menus {
  background: var(--gpt-bg) !important;
  font-family: var(--gpt-serif);
}

/* ── Mask ────────────────────────────────────────────────── */
#sidebar #menu-mask {
  background: rgba(20,20,19,0.4);
}

/* ── Avatar ─────────────────────────────────────────────── */
#sidebar-menus .avatar-img {
  margin: 28px auto 16px !important;
}
#sidebar-menus .avatar-img img {
  width: 64px !important;
  height: 64px !important;
  border-radius: 0 !important;
  border: 1px solid var(--gpt-line);
}

/* ── Site data row ──────────────────────────────────────── */
#sidebar-menus .site-data {
  border-bottom: 1px solid var(--gpt-line);
  padding-bottom: 20px;
  margin-bottom: 8px;
}
#sidebar-menus .site-data a {
  text-decoration: none;
  border: none;
}
#sidebar-menus .site-data .headline {
  font-family: var(--gpt-mono);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gpt-faint);
}
#sidebar-menus .site-data .length-num {
  font-family: var(--gpt-mono);
  font-size: 18px;
  color: var(--gpt-dark);
  font-weight: 500;
}

/* ── Menu items ─────────────────────────────────────────── */
#sidebar-menus .menus_items {
  padding: 12px 0;
  border-bottom: 1px solid var(--gpt-line);
}

#sidebar-menus .menus_item {
  margin: 0;
}

#sidebar-menus .menus_item a {
  font-family: var(--gpt-display);
  font-size: 11px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gpt-mid);
  padding: 10px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: color .25s, background .25s;
  border: none;
  text-decoration: none;
}

#sidebar-menus .menus_item a:hover {
  color: var(--gpt-dark);
  background: var(--gpt-bg2);
}

#sidebar-menus .menus_item a i {
  font-size: 12px;
  width: 18px;
  text-align: center;
  color: var(--gpt-faint);
  transition: color .25s;
}

#sidebar-menus .menus_item a:hover i {
  color: var(--gpt-accent);
}

/* ═══════════════════════════════════════════════════════════
   SIDEBAR EXTRA SECTIONS (injected by graptolite-sidebar.js)
   ═══════════════════════════════════════════════════════════ */
.gpt-sidebar-extra {
  padding: 4px 0 24px;
}

/* ── Section base ───────────────────────────────────────── */
.gpt-sidebar-section {
  padding: 16px 28px;
  border-bottom: 1px solid var(--gpt-line);
}
.gpt-sidebar-section:last-child {
  border-bottom: none;
}

/* ── Section title ──────────────────────────────────────── */
.gpt-sidebar-section-title {
  font-family: var(--gpt-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--gpt-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.gpt-sidebar-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gpt-line);
}

/* ── Bio section ────────────────────────────────────────── */
.gpt-sidebar-bio-text {
  font-family: var(--gpt-serif);
  font-size: 14px;
  font-style: italic;
  color: var(--gpt-mid);
  line-height: 1.6;
  margin: 0;
}

/* ── Links section ──────────────────────────────────────── */
.gpt-sidebar-link-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.gpt-sidebar-link-list a {
  font-family: var(--gpt-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gpt-mid);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color .25s;
  text-decoration: none;
  border: none;
}
.gpt-sidebar-link-list a:hover {
  color: var(--gpt-dark);
}
.gpt-sidebar-link-list a i {
  width: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--gpt-faint);
  transition: color .25s;
}
.gpt-sidebar-link-list a:hover i {
  color: var(--gpt-accent);
}

/* ── Tags section ───────────────────────────────────────── */
.gpt-sidebar-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.gpt-tag-pill {
  font-family: var(--gpt-mono);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gpt-mid);
  border: 1px solid var(--gpt-line);
  padding: 3px 10px;
  text-decoration: none;
  transition: all .25s;
  display: inline-block;
}
.gpt-tag-pill:hover {
  color: var(--gpt-accent2);
  border-color: var(--gpt-accent);
}

.gpt-sidebar-loading,
.gpt-sidebar-no-data {
  font-family: var(--gpt-mono);
  font-size: 10px;
  color: var(--gpt-faint);
  letter-spacing: .1em;
}

/* ═══════════════════════════════════════════════════════════
   SINGLE POST
   ═══════════════════════════════════════════════════════════ */
#post .post-title,
#post .article-title {
  font-family: var(--gpt-display);
  font-size: clamp(24px, 3.5vw, 42px);
  font-weight: 400;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--gpt-dark);
  line-height: 1.1;
}

#post .post-meta-date,
#post .article-meta-wrap {
  font-family: var(--gpt-mono);
  font-size: 10px;
  color: var(--gpt-faint);
  letter-spacing: .2em;
  text-transform: uppercase;
}

#article-container,
#article-container.post-content {
  font-family: var(--gpt-serif);
  font-size: 18px;
  line-height: 1.85;
  color: var(--gpt-dark);
}
#article-container p {
  margin-bottom: 1.5em;
  color: var(--gpt-dark);
}

/* Drop cap */
#article-container > p:first-of-type::first-letter {
  font-family: var(--gpt-display);
  font-size: 3.2em;
  font-weight: 600;
  float: left;
  line-height: .75;
  margin-right: .08em;
  margin-top: .08em;
  color: var(--gpt-accent);
}

/* ── Code ───────────────────────────────────────────────── */
#article-container code, code {
  font-family: var(--gpt-mono);
  font-size: .85em;
  background: var(--gpt-bg2);
  padding: 2px 6px;
  border: 1px solid var(--gpt-line);
  color: var(--gpt-accent2);
}
#article-container pre, pre {
  font-family: var(--gpt-mono);
  font-size: .82em;
  background: var(--gpt-dark) !important;
  color: #e8e3da;
  padding: 28px 32px;
  line-height: 1.65;
  border-left: 2px solid var(--gpt-accent);
  border-radius: 0;
}
#article-container pre code, pre code {
  background: none; border: none; padding: 0;
  color: inherit; font-size: inherit;
}

/* ── Blockquote ─────────────────────────────────────────── */
#article-container blockquote, blockquote {
  margin: 2em 0; padding: 24px 32px;
  border-left: 2px solid var(--gpt-accent);
  background: var(--gpt-bg2);
  font-style: italic; color: var(--gpt-mid); border-radius: 0;
}
#article-container blockquote p:last-child { margin-bottom: 0; }

/* ── HR ─────────────────────────────────────────────────── */
#article-container hr, hr {
  border: none; border-top: 1px solid var(--gpt-line);
  margin: 3em 0; position: relative;
}
#article-container hr::after {
  content: '✦';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--gpt-bg); padding: 0 16px;
  font-size: 10px; color: var(--gpt-faint);
}

/* ── Tables ─────────────────────────────────────────────── */
#article-container table {
  width: 100%; border-collapse: collapse;
  font-family: var(--gpt-mono); font-size: .82em; margin: 2em 0;
}
#article-container thead tr { border-bottom: 2px solid var(--gpt-dark); }
#article-container th {
  font-family: var(--gpt-display); font-size: .78em; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  padding: 10px 16px; text-align: left; color: var(--gpt-dark);
}
#article-container td {
  padding: 10px 16px; border-bottom: 1px solid var(--gpt-line);
  color: var(--gpt-mid); vertical-align: top;
}
#article-container tr:hover td { background: var(--gpt-bg2); }

/* ── Lists ──────────────────────────────────────────────── */
#article-container ul li::marker { color: var(--gpt-accent); }
#article-container ol li::marker {
  font-family: var(--gpt-mono); font-size: .8em; color: var(--gpt-faint);
}

/* ── Images ─────────────────────────────────────────────── */
#article-container img { border: 1px solid var(--gpt-line); border-radius: 0; }
#article-container figcaption {
  font-family: var(--gpt-mono); font-size: 11px;
  letter-spacing: .1em; color: var(--gpt-faint); text-align: center;
}

/* ── Post copyright ─────────────────────────────────────── */
.post-copyright {
  border-left: 2px solid var(--gpt-accent);
  background: var(--gpt-bg2);
  font-family: var(--gpt-mono); font-size: 12px;
  color: var(--gpt-mid); border-radius: 0;
}

/* ── Tags in post ───────────────────────────────────────── */
.tag_share .post-meta__tag-list a,
.post-meta__tags a {
  font-family: var(--gpt-mono); font-size: 9px;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--gpt-mid); border: 1px solid var(--gpt-line);
  padding: 3px 10px; background: transparent;
  transition: all .25s; border-radius: 0;
}
.tag_share .post-meta__tag-list a:hover,
.post-meta__tags a:hover {
  color: var(--gpt-accent2); border-color: var(--gpt-accent);
  background: transparent;
}

/* ═══════════════════════════════════════════════════════════
   POST NAVIGATION
   ═══════════════════════════════════════════════════════════ */
#pagination.pagination-post {
  border-top: 1px solid var(--gpt-line);
  margin-top: 64px; padding-top: 40px;
}
#pagination .pagination-related {
  background: var(--gpt-bg); border: 1px solid var(--gpt-line);
  border-radius: 0; transition: border-color .25s;
}
#pagination .pagination-related:hover {
  border-color: var(--gpt-accent); background: var(--gpt-bg2);
}
#pagination .pagination-related .info .info-item-1 {
  font-family: var(--gpt-mono); font-size: 10px;
  letter-spacing: .15em; text-transform: uppercase; color: var(--gpt-faint);
}
#pagination .pagination-related .info .info-item-2 {
  font-family: var(--gpt-display); font-size: 14px;
  letter-spacing: .03em; color: var(--gpt-dark); line-height: 1.2;
}

/* ═══════════════════════════════════════════════════════════
   PAGINATION
   ═══════════════════════════════════════════════════════════ */
.pagination .page-number {
  font-family: var(--gpt-mono); font-size: 11px;
  border: 1px solid var(--gpt-line); border-radius: 0;
  color: var(--gpt-mid); transition: all .25s;
}
.pagination .page-number:hover {
  border-color: var(--gpt-dark); color: var(--gpt-dark); background: var(--gpt-bg2);
}
.pagination .page-number.current {
  background: var(--gpt-dark); color: var(--gpt-bg); border-color: var(--gpt-dark);
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
#footer {
  background: var(--gpt-bg) !important;
  border-top: 1px solid var(--gpt-line);
  font-family: var(--gpt-mono); font-size: 10px;
  color: var(--gpt-faint); letter-spacing: .12em;
}
#footer a { color: var(--gpt-faint); transition: color .25s; }
#footer a:hover { color: var(--gpt-dark); }

/* ═══════════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════════ */
.section-label {
  font-family: var(--gpt-display); font-size: 10px; font-weight: 600;
  letter-spacing: .4em; text-transform: uppercase; color: var(--gpt-faint);
  display: flex; align-items: center; gap: 16px; margin: 3em 0 1.5em;
}
.section-label::before { content: ''; width: 24px; height: 1px; background: var(--gpt-faint); }
.section-label::after  { content: ''; flex: 1; height: 1px; background: var(--gpt-line); }

.accent-rule { width: 48px; height: 2px; background: var(--gpt-accent); margin: 1.5em 0; }

.mono-label {
  font-family: var(--gpt-mono); font-size: 10px;
  letter-spacing: .2em; text-transform: uppercase; color: var(--gpt-faint);
}

.pull-quote {
  font-family: var(--gpt-serif); font-size: 1.4em; font-style: italic;
  color: var(--gpt-mid); border-left: 2px solid var(--gpt-accent);
  padding: 8px 28px; margin: 2em 0; line-height: 1.5;
}

.code-file {
  display: inline-block; font-family: var(--gpt-mono); font-size: 10px;
  letter-spacing: .1em; color: var(--gpt-bg); background: var(--gpt-dark);
  padding: 3px 10px; margin-bottom: -1px;
}

/* ── Nav custom icon (graptolite image as menu icon) ────── */
.graptolite-nav-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  background: url('/header-icon/graptolite-icon-32.png') center / contain no-repeat;
  vertical-align: middle;
}

/* ═══════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 3px; height: 3px; }
::-webkit-scrollbar-track { background: var(--gpt-bg); }
::-webkit-scrollbar-thumb { background: var(--gpt-faint); }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  #page-header { padding: 20px 24px; }
  #footer { padding: 32px 24px; }

  .recent-post-items {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  #article-container > p:first-of-type::first-letter { font-size: 2.6em; }

  .gpt-filter-bar { gap: 6px; padding: 16px 0 20px; }
  .gpt-filter-bar .gpt-filter-pill { font-size: 10px; padding: 4px 12px; }
}