/* ============================================================
   EDGERUNNER v2 — Ghost 5 Theme
   Enhanced: Mermaid, Categories, About, Mobile Nav, TOC,
             Social Share, Related Posts, Search
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;1,400&family=Orbitron:wght@400;600;700;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --er-cyan:    #00D9FF;
  --er-pink:    #FF10F0;
  --er-yellow:  #EFFF00;
  --er-purple:  #8B5CF6;
  --er-green:   #00FF9C;
  --er-accent: var(--ghost-accent-color, #FF1A75);
  --er-accent-soft: color-mix(in srgb, var(--er-accent) 16%, transparent);
  --er-accent-mid: color-mix(in srgb, var(--er-accent) 42%, transparent);
  --er-dark:    #0d0221;
  --er-dark2:   #1a0033;
  --er-dark3:   #2a0845;
  --er-card-bg: rgba(26, 0, 51, 0.85);
  --er-border:  rgba(0, 217, 255, 0.2);
  --er-text:    #e0e0e0;
  --er-muted:   #9090a0;
  --er-glow:    0 0 18px rgba(0, 217, 255, 0.12);
  --er-glow-md: 0 0 30px rgba(0, 217, 255, 0.18);
  --er-glow-pink: 0 0 20px rgba(255, 16, 240, 0.18);
  --er-font-head: 'Orbitron', 'Courier New', monospace;
  --er-font-body: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --er-header-h: 64px;
}

/* ── Reset / Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--er-font-body);
  background-color: var(--er-dark);
  background-image: linear-gradient(135deg, var(--er-dark) 0%, var(--er-dark2) 55%, var(--er-dark3) 100%);
  background-attachment: fixed;
  color: var(--er-text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--er-dark2); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--er-cyan), var(--er-pink));
}

a { color: var(--er-cyan); text-decoration: none; transition: color 0.2s, text-shadow 0.2s; }
a:hover { color: var(--er-accent); text-shadow: 0 0 8px var(--er-accent-mid); }

img { max-width: 100%; height: auto; display: block; }

/* ── Layout ─────────────────────────────────────────────────── */
.er-site { display: flex; flex-direction: column; min-height: 100vh; }
.er-main { flex: 1; }

.er-container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header / Nav ───────────────────────────────────────────── */
.er-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(13, 2, 33, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--er-border);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.er-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--er-header-h);
  gap: 16px;
}

.er-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.er-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--er-accent-mid);
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.14), var(--er-accent-soft));
  color: var(--er-text);
  font-family: var(--er-font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  box-shadow: var(--er-glow);
}
.er-logo-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.er-logo-text {
  font-family: var(--er-font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--er-cyan), var(--er-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.er-logo-subtitle {
  color: var(--er-muted);
  font-family: var(--er-font-head);
  font-size: 8px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
}

/* Nav */
.er-nav-wrap { flex: 1; display: flex; justify-content: center; }
.er-nav {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.er-nav a {
  display: block;
  padding: 8px 14px;
  font-family: var(--er-font-head);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--er-muted);
  border: 1px solid transparent;
  transition: all 0.2s;
}

.er-nav a:hover,
.er-nav .nav-current a {
  color: var(--er-accent);
  border-color: var(--er-accent-mid);
  text-shadow: 0 0 10px var(--er-accent-mid);
  background: var(--er-accent-soft);
}

/* Header actions */
.er-header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.er-search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--er-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.er-search-btn:hover {
  color: var(--er-accent);
  border-color: var(--er-accent-mid);
  background: var(--er-accent-soft);
}

/* Hamburger */
.er-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 36px; height: 36px;
  padding: 10px 8px;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: border-color 0.2s;
}
.er-hamburger span {
  display: block;
  height: 2px;
  background: var(--er-muted);
  transition: all 0.25s;
}
.er-hamburger:hover { border-color: var(--er-border); }
.er-hamburger:hover span { background: var(--er-accent); }
.er-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.er-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.er-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav overlay */
.er-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13, 2, 33, 0.7);
  z-index: 150;
  backdrop-filter: blur(4px);
}
.er-nav-overlay.is-open { display: block; }

/* ── Search Overlay ─────────────────────────────────────────── */
.er-search-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(13, 2, 33, 0.95);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
}
.er-search-overlay[hidden] { display: none; }

.er-search-box {
  width: 100%;
  max-width: 600px;
  padding: 0 24px;
  position: relative;
}

.er-search-close {
  position: absolute;
  top: -64px;
  right: 24px;
  background: transparent;
  border: 1px solid var(--er-border);
  color: var(--er-muted);
  font-size: 18px;
  width: 40px; height: 40px;
  cursor: pointer;
  transition: all 0.2s;
}
.er-search-close:hover { color: var(--er-cyan); border-color: var(--er-cyan); }

.er-search-input {
  width: 100%;
  background: rgba(26, 0, 51, 0.9);
  border: 1px solid var(--er-border);
  border-bottom: 2px solid var(--er-cyan);
  color: var(--er-text);
  font-family: var(--er-font-body);
  font-size: 20px;
  padding: 16px 20px;
  outline: none;
  letter-spacing: 0.5px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.er-search-input:focus {
  border-color: var(--er-cyan);
  box-shadow: var(--er-glow-md);
}
.er-search-input::placeholder { color: rgba(144, 144, 160, 0.5); }

.er-search-hint {
  margin-top: 12px;
  font-size: 11px;
  color: var(--er-muted);
  letter-spacing: 1px;
}
.er-search-hint kbd {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--er-border);
  font-family: var(--er-font-head);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--er-cyan);
}

/* ── Hero ───────────────────────────────────────────────────── */
.er-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--er-border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.er-hero--cover {
  background-size: cover;
  background-position: center;
  padding: 88px 0 56px;
}

.er-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(13, 2, 33, 0.5) 0%,
    rgba(13, 2, 33, 0.85) 100%);
}

.er-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 217, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.er-hero-content { position: relative; z-index: 1; }

.er-hero-title {
  font-family: var(--er-font-head);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--er-cyan);
  text-shadow: 0 0 40px rgba(0, 217, 255, 0.4);
  margin-bottom: 16px;
}

.er-hero-desc {
  font-size: 16px;
  color: var(--er-muted);
  letter-spacing: 0.2px;
  max-width: 620px;
  margin: 0 auto;
}

/* ── Section label ──────────────────────────────────────────── */
.er-section-label {
  font-family: var(--er-font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--er-accent);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--er-border);
}

.er-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.er-section-head .er-section-label {
  margin-bottom: 0;
  flex: 1;
}

.er-section-link {
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--er-muted);
}

.er-section-link:hover {
  text-shadow: none;
}

/* ── Featured post ──────────────────────────────────────────── */
.er-featured-wrap { margin-bottom: 48px; }

.er-featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--er-card-bg);
  border: 1px solid var(--er-border);
  box-shadow: var(--er-glow-md);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.er-featured-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--er-cyan), var(--er-accent), var(--er-purple));
}

.er-featured-card:hover {
  border-color: var(--er-accent-mid);
  box-shadow: 0 0 50px color-mix(in srgb, var(--er-accent) 22%, transparent);
}

.er-featured-image-wrap { overflow: hidden; display: block; }
.er-featured-image-wrap--placeholder {
  min-height: 100%;
  background: rgba(12, 14, 35, 0.82);
}
.er-featured-image {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  filter: brightness(0.8) saturate(0.85);
  transition: filter 0.35s, transform 0.35s;
}
.er-featured-card:hover .er-featured-image {
  filter: brightness(0.95) saturate(1.05);
  transform: scale(1.02);
}

.er-featured-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}

.er-featured-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.er-featured-label {
  font-family: var(--er-font-head);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--er-yellow);
  border: 1px solid rgba(239, 255, 0, 0.3);
  display: inline-block;
  padding: 3px 10px;
  width: fit-content;
}

.er-featured-title {
  font-family: var(--er-font-head);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.5px;
}
.er-featured-title a { color: var(--er-text); }
.er-featured-title a:hover { color: var(--er-accent); text-shadow: none; }

.er-featured-excerpt {
  font-size: 13px;
  color: var(--er-muted);
  line-height: 1.65;
}

/* ── Post grid ──────────────────────────────────────────────── */
.er-post-grid-section { padding: 40px 0 64px; }

.er-home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}

.er-home-sidebar {
  position: sticky;
  top: calc(var(--er-header-h) + 24px);
}

.er-home-sidebar-inner {
  display: grid;
  gap: 18px;
}

.er-sidebar-card {
  padding: 22px;
  border: 1px solid var(--er-border);
  background: rgba(17, 8, 39, 0.9);
  box-shadow: var(--er-glow);
}

.er-sidebar-card--cta {
  background:
    linear-gradient(180deg, rgba(0, 217, 255, 0.08), transparent 38%),
    linear-gradient(135deg, rgba(26, 0, 51, 0.98), rgba(20, 10, 45, 0.92));
  border-color: var(--er-accent-mid);
}

.er-sidebar-kicker {
  color: var(--er-accent);
  font-family: var(--er-font-head);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.er-sidebar-title {
  color: var(--er-text);
  font-family: var(--er-font-head);
  font-size: 12px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.er-sidebar-title--cta {
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0.6px;
  text-transform: none;
}

.er-sidebar-copy {
  color: var(--er-muted);
  font-size: 14px;
  line-height: 1.65;
}

.er-sidebar-tags,
.er-sidebar-links {
  display: grid;
  gap: 10px;
}

.er-sidebar-tag,
.er-sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
  color: var(--er-text);
  font-size: 13px;
}

.er-sidebar-tag:hover,
.er-sidebar-link:hover {
  border-color: var(--er-accent-mid);
  background: var(--er-accent-soft);
  text-shadow: none;
}

.er-sidebar-tag span:last-child {
  color: var(--er-muted);
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 1.2px;
}

.er-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

/* ── Post card ──────────────────────────────────────────────── */
.er-card {
  display: flex;
  flex-direction: column;
  background: var(--er-card-bg);
  border: 1px solid var(--er-border);
  box-shadow: var(--er-glow);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.er-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--er-cyan), var(--er-accent));
  opacity: 0;
  transition: opacity 0.25s;
}

.er-card:hover {
  border-color: var(--er-accent-mid);
  box-shadow: var(--er-glow-md);
  transform: translateY(-2px);
}
.er-card:hover::before { opacity: 1; }

.er-card-image-wrap { overflow: hidden; display: block; }
.er-card-image-wrap--placeholder {
  background: rgba(12, 14, 35, 0.9);
  border-bottom: 1px solid var(--er-border);
}
.er-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--er-border);
  filter: brightness(0.85) saturate(0.8);
  transition: filter 0.25s, transform 0.3s;
}
.er-card:hover .er-card-image {
  filter: brightness(0.95) saturate(1);
  transform: scale(1.03);
}

.er-media-placeholder {
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 20px;
  background:
    radial-gradient(circle at top right, var(--er-accent-soft), transparent 38%),
    linear-gradient(135deg, rgba(0, 217, 255, 0.12), rgba(11, 8, 28, 0.96) 60%);
}

.er-media-placeholder--featured {
  min-height: 100%;
  height: 100%;
  padding: 40px;
  justify-content: center;
}

.er-media-placeholder-kicker {
  color: var(--er-accent);
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.er-media-placeholder strong {
  color: var(--er-text);
  font-family: var(--er-font-head);
  font-size: clamp(14px, 2vw, 22px);
  line-height: 1.35;
}

.er-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px;
  gap: 12px;
}

.er-card-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.er-content-type {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-left: 3px solid var(--er-accent);
  background: rgba(255, 255, 255, 0.04);
  color: var(--er-text);
  font-family: var(--er-font-head);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
}

.er-content-type--feed {
  border-left-color: var(--er-cyan);
}

.er-content-type--digest {
  border-left-color: var(--er-yellow);
}

.er-content-type--ai {
  border-left-color: var(--er-pink);
}

/* Tags */
.er-tag {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--er-font-head);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--er-accent);
  background: var(--er-accent-soft);
  border: 1px solid var(--er-accent-mid);
  transition: background 0.2s, border-color 0.2s;
}
.er-tag:hover {
  color: var(--er-text);
  background: color-mix(in srgb, var(--er-accent) 26%, transparent);
  border-color: color-mix(in srgb, var(--er-accent) 60%, transparent);
  text-shadow: none;
}
.er-tag[data-slug="ai-generated"] {
  color: var(--er-pink);
  background: rgba(255, 16, 240, 0.08);
  border-color: rgba(255, 16, 240, 0.25);
}
.er-tag[data-slug="ai-generated"]:hover {
  background: rgba(255, 16, 240, 0.15);
  border-color: rgba(255, 16, 240, 0.5);
}

.er-card-title {
  font-family: var(--er-font-head);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.5px;
}
.er-card-title a { color: var(--er-text); }
.er-card-title a:hover { color: var(--er-accent); text-shadow: none; }

.er-card-excerpt {
  font-size: 12px;
  color: var(--er-muted);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.er-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--er-muted);
  letter-spacing: 0.5px;
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.er-card-author {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--er-accent);
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 1.5px;
}
.er-card-author img {
  width: 20px; height: 20px;
  border-radius: 0;
  border: 1px solid var(--er-accent-mid);
  object-fit: cover;
}

.er-card-meta time { color: var(--er-muted); }
.er-read-time::before { content: '·'; margin-right: 10px; opacity: 0.4; }

/* ── Pagination ─────────────────────────────────────────────── */
.er-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 16px 0 40px;
}

.er-pagination-btn {
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 22px;
  border: 1px solid var(--er-border);
  color: var(--er-muted);
  transition: all 0.2s;
  display: inline-block;
}
.er-pagination-btn--disabled { opacity: 0.3; pointer-events: none; }
a.er-pagination-btn:hover {
  color: var(--er-cyan);
  border-color: rgba(0, 217, 255, 0.4);
  background: rgba(0, 217, 255, 0.05);
  text-shadow: 0 0 8px rgba(0, 217, 255, 0.4);
}

.er-pagination-info {
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--er-muted);
}

/* ── Article page ───────────────────────────────────────────── */
.er-article-wrapper { padding: 48px 0 80px; }

.er-article-layout { max-width: 800px; margin: 0 auto; }

.er-article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--er-border);
}

.er-article-tags { margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 8px; }

.er-article-title {
  font-family: var(--er-font-head);
  font-size: clamp(22px, 4vw, 38px);
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1.2;
  color: var(--er-cyan);
  text-shadow: 0 0 30px rgba(0, 217, 255, 0.25);
  margin-bottom: 20px;
}

.er-article-excerpt {
  font-size: 15px;
  color: #b0b0c0;
  line-height: 1.65;
  margin-bottom: 20px;
}

.er-article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--er-muted);
  letter-spacing: 0.5px;
}
.er-article-meta time { color: var(--er-muted); }
.er-article-updated { opacity: 0.6; font-size: 11px; }

.er-article-author {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--er-pink);
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.er-article-author img {
  width: 28px; height: 28px;
  border: 1px solid rgba(255, 16, 240, 0.4);
  object-fit: cover;
}
.er-article-author a { color: var(--er-pink); }
.er-article-author a:hover { color: #fff; text-shadow: 0 0 8px var(--er-pink); }

/* Feature image */
.er-feature-image {
  width: 100%;
  margin: 0 auto 40px;
  border: 1px solid var(--er-border);
  box-shadow: var(--er-glow);
}
.er-feature-image img { width: 100%; }
.er-feature-image figcaption {
  font-size: 11px;
  color: var(--er-muted);
  text-align: center;
  margin-top: 8px;
  padding: 0 8px;
}

/* ── Table of Contents ──────────────────────────────────────── */
#er-toc-container { margin-bottom: 32px; }

.er-toc {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--er-border);
  border-left: 3px solid var(--er-cyan);
  padding: 0;
  overflow: hidden;
}

.er-toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(0, 217, 255, 0.05);
  border-bottom: 1px solid var(--er-border);
  cursor: pointer;
  user-select: none;
}
.er-toc-header-title {
  font-family: var(--er-font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--er-cyan);
}
.er-toc-toggle {
  font-size: 10px;
  color: var(--er-muted);
  letter-spacing: 1px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--er-cyan);
  font-family: var(--er-font-head);
  transition: transform 0.2s;
}
.er-toc-toggle.collapsed { transform: rotate(-90deg); }

.er-toc-body { padding: 16px 20px; }
.er-toc-body.collapsed { display: none; }

.er-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.er-toc-list li { padding-left: 0; }
.er-toc-list li.er-toc-h3 { padding-left: 16px; }

.er-toc-list a {
  font-size: 12px;
  color: var(--er-muted);
  letter-spacing: 0.3px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  transition: color 0.2s;
  line-height: 1.4;
}
.er-toc-list a::before {
  content: '▸';
  color: var(--er-cyan);
  font-size: 10px;
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.er-toc-list a:hover {
  color: var(--er-cyan);
  text-shadow: none;
}
.er-toc-list a:hover::before { opacity: 1; }

/* Active TOC item */
.er-toc-list a.er-toc-active {
  color: var(--er-cyan);
  text-shadow: 0 0 8px rgba(0, 217, 255, 0.3);
}
.er-toc-list a.er-toc-active::before { opacity: 1; }

/* ── Article body content ───────────────────────────────────── */
.er-article-content { font-size: 15px; line-height: 1.85; }

.er-article-content h2 {
  font-family: var(--er-font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--er-cyan);
  margin: 48px 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(0, 217, 255, 0.2);
  text-shadow: 0 0 20px rgba(0, 217, 255, 0.15);
  scroll-margin-top: calc(var(--er-header-h) + 24px);
}

.er-article-content h3 {
  font-family: var(--er-font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--er-pink);
  margin: 32px 0 14px;
  scroll-margin-top: calc(var(--er-header-h) + 24px);
}

.er-article-content h4 {
  font-family: var(--er-font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--er-purple);
  margin: 24px 0 10px;
  scroll-margin-top: calc(var(--er-header-h) + 24px);
}

.er-article-content p { margin-bottom: 20px; }

.er-article-content ul,
.er-article-content ol {
  margin: 0 0 20px 0;
  padding-left: 0;
  list-style: none;
}

.er-article-content ul li,
.er-article-content ol li {
  padding: 6px 0 6px 24px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.er-article-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--er-cyan);
  font-size: 12px;
}

.er-article-content ol { counter-reset: er-counter; }
.er-article-content ol li { counter-increment: er-counter; }
.er-article-content ol li::before {
  content: counter(er-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  color: var(--er-pink);
  font-family: var(--er-font-head);
  font-size: 11px;
  font-weight: 700;
  top: 8px;
}

.er-article-content strong { color: #f0f0f0; font-weight: 700; }
.er-article-content em { color: #c0c0d0; font-style: italic; }

.er-article-content a {
  color: var(--er-cyan);
  border-bottom: 1px solid rgba(0, 217, 255, 0.3);
  transition: border-color 0.2s, text-shadow 0.2s;
}
.er-article-content a:hover {
  border-bottom-color: var(--er-cyan);
  text-shadow: 0 0 8px rgba(0, 217, 255, 0.5);
}

/* Inline code */
.er-article-content code {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--er-cyan);
  background: rgba(0, 217, 255, 0.08);
  border: 1px solid rgba(0, 217, 255, 0.2);
  padding: 2px 6px;
}

/* Code blocks */
.er-article-content pre {
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-left: 3px solid var(--er-cyan);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.4);
  position: relative;
}

.er-article-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  line-height: 1.6;
  color: #b0ffcc;
}

/* Blockquote */
.er-article-content blockquote {
  margin: 28px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--er-pink);
  background: rgba(255, 16, 240, 0.04);
  color: #c0b0cc;
  font-style: italic;
}
.er-article-content blockquote p { margin: 0; }

/* Tables */
.er-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 13px;
  display: block;
  overflow-x: auto;
}
.er-article-content th {
  background: rgba(0, 217, 255, 0.1);
  color: var(--er-cyan);
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 14px;
  border: 1px solid var(--er-border);
  text-align: left;
  white-space: nowrap;
}
.er-article-content td {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  vertical-align: top;
}
.er-article-content tr:hover td { background: rgba(0, 217, 255, 0.03); }

.er-article-content hr {
  border: none;
  border-top: 1px solid var(--er-border);
  margin: 40px 0;
}

/* AI disclosure */
.er-article-content hr + p em {
  display: block;
  margin-top: 8px;
  padding: 14px 18px;
  border-left: 3px solid var(--er-pink);
  background: rgba(255, 16, 240, 0.05);
  font-size: 12px;
  color: var(--er-muted);
  font-style: italic;
  line-height: 1.6;
}

/* ── Mermaid diagrams ───────────────────────────────────────── */
.er-mermaid-wrap {
  margin: 28px 0;
  padding: 24px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--er-border);
  border-left: 3px solid var(--er-purple);
  overflow-x: auto;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.3);
}

.er-mermaid-wrap .mermaid {
  display: flex;
  justify-content: center;
}

/* Mermaid SVG color overrides for our dark theme */
.er-mermaid-wrap svg {
  max-width: 100%;
}
.er-mermaid-wrap .label { color: var(--er-text) !important; }
.er-mermaid-wrap .node rect,
.er-mermaid-wrap .node circle,
.er-mermaid-wrap .node polygon {
  fill: rgba(26, 0, 51, 0.9) !important;
  stroke: var(--er-cyan) !important;
}
.er-mermaid-wrap .edgePath .path { stroke: var(--er-muted) !important; }
.er-mermaid-wrap .edgeLabel { background: var(--er-dark2) !important; }

/* Mermaid loading state */
.er-mermaid-loading {
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--er-purple);
  text-align: center;
  padding: 20px;
  animation: er-pulse 1.5s infinite;
}

@keyframes er-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Social sharing ─────────────────────────────────────────── */
.er-share {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--er-border);
}

.er-share-label {
  font-family: var(--er-font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--er-muted);
  margin-right: 4px;
}

.er-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-family: var(--er-font-head);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid var(--er-border);
  background: transparent;
  color: var(--er-muted);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.er-share-btn:hover {
  text-shadow: none;
}
.er-share-btn--twitter:hover {
  color: #1DA1F2;
  border-color: rgba(29, 161, 242, 0.5);
  background: rgba(29, 161, 242, 0.08);
}
.er-share-btn--linkedin:hover {
  color: #0A66C2;
  border-color: rgba(10, 102, 194, 0.5);
  background: rgba(10, 102, 194, 0.08);
}
.er-share-btn--copy:hover {
  color: var(--er-green);
  border-color: rgba(0, 255, 156, 0.5);
  background: rgba(0, 255, 156, 0.08);
}

/* ── Related posts ──────────────────────────────────────────── */
.er-related-section {
  padding: 48px 0;
  border-top: 1px solid var(--er-border);
  background: rgba(0, 0, 0, 0.2);
}

/* ── Tag / Author archive ───────────────────────────────────── */
.er-archive-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--er-border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.er-archive-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 80% at 50% 0%, rgba(255, 16, 240, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.er-archive-cover {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.er-archive-label {
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--er-pink);
  margin-bottom: 12px;
  position: relative;
}

.er-archive-title {
  font-family: var(--er-font-head);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--er-cyan);
  text-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
  margin-bottom: 16px;
  position: relative;
}

.er-archive-desc {
  font-size: 13px;
  color: var(--er-muted);
  max-width: 500px;
  margin: 0 auto;
  position: relative;
}

.er-archive-count {
  margin-top: 14px;
  font-size: 11px;
  color: rgba(0, 217, 255, 0.5);
  letter-spacing: 1px;
  position: relative;
}

.er-author-avatar {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  border: 2px solid var(--er-pink);
  box-shadow: var(--er-glow-pink);
  object-fit: cover;
  position: relative;
}

.er-author-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 12px;
  position: relative;
}

.er-author-ext-link {
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--er-cyan);
  border: 1px solid var(--er-border);
  padding: 4px 12px;
  transition: all 0.2s;
}
.er-author-ext-link:hover {
  background: rgba(0, 217, 255, 0.08);
  text-shadow: none;
}

/* ── Categories page ────────────────────────────────────────── */
.er-cats-header { margin-bottom: 0; }

.er-cats-section { padding: 48px 0 72px; }

.er-cats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.er-cat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--er-card-bg);
  border: 1px solid var(--er-border);
  box-shadow: var(--er-glow);
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.er-cat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--er-cyan), var(--er-purple));
  opacity: 0;
  transition: opacity 0.25s;
}

.er-cat-card:hover {
  border-color: rgba(0, 217, 255, 0.45);
  box-shadow: var(--er-glow-md);
  transform: translateY(-2px);
  text-shadow: none;
}
.er-cat-card:hover::before { opacity: 1; }

.er-cat-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--er-border);
  color: var(--er-cyan);
  background: rgba(0, 217, 255, 0.05);
  transition: background 0.25s;
}
.er-cat-card:hover .er-cat-icon {
  background: rgba(0, 217, 255, 0.1);
}

.er-cat-body { flex: 1; min-width: 0; }

.er-cat-name {
  font-family: var(--er-font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--er-text);
  margin-bottom: 4px;
  transition: color 0.2s;
}
.er-cat-card:hover .er-cat-name { color: var(--er-cyan); }

.er-cat-desc {
  font-size: 11px;
  color: var(--er-muted);
  line-height: 1.4;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.er-cat-count {
  flex-shrink: 0;
  text-align: right;
}
.er-cat-count span {
  display: block;
  font-family: var(--er-font-head);
  font-size: 20px;
  font-weight: 900;
  color: var(--er-cyan);
  line-height: 1;
}
.er-cat-count-label {
  font-size: 9px !important;
  letter-spacing: 1px;
  color: var(--er-muted) !important;
  text-transform: uppercase;
}

/* ── About page ─────────────────────────────────────────────── */
.er-about-hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--er-border);
  position: relative;
  overflow: hidden;
}

.er-about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 30% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.er-about-hero .er-container {
  display: flex;
  align-items: center;
  gap: 48px;
  position: relative;
}

.er-about-hero-img-wrap { flex-shrink: 0; }
.er-about-hero-img {
  width: 240px;
  border: 1px solid var(--er-border);
  box-shadow: var(--er-glow-md);
}

.er-about-hero-text { flex: 1; }

.er-about-title {
  font-family: var(--er-font-head);
  font-size: clamp(24px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--er-cyan);
  text-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
  margin-bottom: 16px;
}

.er-about-lead {
  font-size: 14px;
  color: var(--er-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* Stats bar */
.er-stats-bar {
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--er-border);
  padding: 20px 0;
}

.er-stats-inner {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}

.er-stat { text-align: center; }
.er-stat-label {
  font-family: var(--er-font-head);
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--er-muted);
  margin-bottom: 4px;
  display: block;
}
.er-stat-value {
  font-family: var(--er-font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--er-cyan);
}

/* About body layout */
.er-about-body { padding: 48px 0 80px; }

.er-about-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.er-about-sidebar { position: sticky; top: calc(var(--er-header-h) + 24px); }

.er-about-sidebar-section {
  margin-bottom: 32px;
  background: var(--er-card-bg);
  border: 1px solid var(--er-border);
  padding: 24px;
}

.er-about-sidebar-title {
  font-family: var(--er-font-head);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--er-pink);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--er-border);
}

.er-about-author-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.er-about-author-card:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.er-about-author-img {
  width: 56px; height: 56px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 16, 240, 0.3);
  object-fit: cover;
}

.er-about-author-name {
  display: block;
  font-family: var(--er-font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--er-text);
  margin-bottom: 6px;
}
a.er-about-author-name:hover { color: var(--er-cyan); text-shadow: none; }

.er-about-author-bio {
  font-size: 11px;
  color: var(--er-muted);
  line-height: 1.5;
  margin-bottom: 6px;
}

.er-about-author-link {
  font-family: var(--er-font-head);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--er-cyan);
}

.er-about-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.er-about-links a {
  font-size: 12px;
  color: var(--er-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.er-about-links a::before { content: '▸'; color: var(--er-cyan); font-size: 10px; }
.er-about-links a:hover { color: var(--er-cyan); text-shadow: none; }

/* ── Footer ─────────────────────────────────────────────────── */
.er-footer {
  border-top: 1px solid var(--er-border);
  background: rgba(13, 2, 33, 0.95);
  padding: 40px 0 0;
}

.er-footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 32px;
}

.er-footer-brand {
  font-family: var(--er-font-head);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.er-footer-brand span { color: var(--er-cyan); }

.er-footer-tagline {
  font-size: 11px;
  color: var(--er-muted);
  letter-spacing: 0.5px;
  margin-top: 6px;
}

.er-footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}
.er-footer-links a {
  font-size: 11px;
  font-family: var(--er-font-head);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--er-muted);
  transition: color 0.2s;
}
.er-footer-links a:hover { color: var(--er-cyan); text-shadow: none; }

.er-footer-social {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.er-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--er-border);
  color: var(--er-muted);
  transition: all 0.2s;
}
.er-social-link:hover {
  color: var(--er-accent);
  border-color: var(--er-accent-mid);
  background: var(--er-accent-soft);
  text-shadow: none;
  box-shadow: 0 0 12px var(--er-accent-soft);
}

.er-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  flex-wrap: wrap;
  gap: 8px;
}

.er-footer-copy {
  font-size: 11px;
  color: rgba(144, 144, 160, 0.5);
  letter-spacing: 0.5px;
}

.er-footer-powered {
  font-size: 11px;
  color: rgba(144, 144, 160, 0.4);
}
.er-footer-powered a {
  color: rgba(0, 217, 255, 0.4);
  transition: color 0.2s;
}
.er-footer-powered a:hover {
  color: var(--er-accent);
  text-shadow: none;
}

/* ── Error page ─────────────────────────────────────────────── */
.er-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: 40px 24px;
  gap: 16px;
}

.er-error-code {
  font-family: var(--er-font-head);
  font-size: 96px;
  font-weight: 900;
  line-height: 1;
  color: var(--er-cyan);
  text-shadow: 0 0 60px rgba(0, 217, 255, 0.3);
}

.er-error-msg {
  font-family: var(--er-font-head);
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--er-muted);
}

.er-error-sub {
  font-size: 13px;
  color: var(--er-muted);
  max-width: 360px;
}

/* ── Button ─────────────────────────────────────────────────── */
.er-btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--er-font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--er-accent);
  border: 1px solid var(--er-accent-mid);
  background: var(--er-accent-soft);
  transition: all 0.2s;
  margin-top: 8px;
}
.er-btn:hover {
  color: #fff;
  border-color: var(--er-accent);
  background: color-mix(in srgb, var(--er-accent) 24%, transparent);
  text-shadow: 0 0 10px var(--er-accent-mid);
  box-shadow: 0 0 20px var(--er-accent-soft);
}

.er-btn--block {
  display: flex;
  width: 100%;
  justify-content: center;
}

/* ── Empty state ────────────────────────────────────────────── */
.er-empty {
  text-align: center;
  color: var(--er-muted);
  padding: 80px 0;
  font-size: 13px;
  letter-spacing: 0.5px;
}

/* ── Ghost card assets overrides ────────────────────────────── */
.kg-width-wide  { margin-left: -80px; margin-right: -80px; }
.kg-width-full  { margin-left: -24px; margin-right: -24px; }

.kg-image-card img {
  border: 1px solid var(--er-border);
  box-shadow: var(--er-glow);
}

.kg-bookmark-card {
  border: 1px solid var(--er-border);
  background: var(--er-card-bg);
  transition: border-color 0.2s;
}
.kg-bookmark-card:hover { border-color: rgba(0, 217, 255, 0.4); }
.kg-bookmark-title { color: var(--er-text); font-family: var(--er-font-head); font-size: 13px; }
.kg-bookmark-description { color: var(--er-muted); font-size: 12px; }
.kg-bookmark-url { color: rgba(0, 217, 255, 0.6); font-size: 11px; }

.kg-callout-card {
  border-left: 3px solid var(--er-cyan);
  background: rgba(0, 217, 255, 0.05);
  border-radius: 0;
  padding: 16px 20px;
  margin: 24px 0;
}

.kg-toggle-card {
  border: 1px solid var(--er-border);
  background: var(--er-card-bg);
  padding: 16px 20px;
  margin: 24px 0;
}
.kg-toggle-heading-text { color: var(--er-cyan); font-family: var(--er-font-head); font-size: 14px; }

.kg-code-card pre { margin: 0; }

/* Ghost native gallery */
.kg-gallery-container { display: grid; gap: 8px; }
.kg-gallery-row { display: flex; gap: 8px; }
.kg-gallery-image { flex: 1; overflow: hidden; }
.kg-gallery-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  border: 1px solid var(--er-border);
}

/* ── Reading progress bar ───────────────────────────────────── */
#er-progress-bar {
  position: fixed;
  top: var(--er-header-h);
  left: 0; right: 0;
  height: 2px;
  z-index: 99;
  background: linear-gradient(90deg, var(--er-cyan), var(--er-pink));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.08s linear;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .er-home-layout { grid-template-columns: 1fr; }
  .er-home-sidebar { position: static; }
  .er-about-layout { grid-template-columns: 1fr; }
  .er-about-sidebar { position: static; }
  .kg-width-wide, .kg-width-full { margin-left: 0; margin-right: 0; }
}

@media (max-width: 768px) {
  .er-hamburger { display: flex; }
  .er-nav-wrap {
    display: none;
    position: fixed;
    top: var(--er-header-h);
    left: 0; right: 0; bottom: 0;
    background: rgba(13, 2, 33, 0.98);
    backdrop-filter: blur(16px);
    z-index: 180;
    flex-direction: column;
    justify-content: flex-start;
    padding: 32px 24px;
    overflow-y: auto;
    border-top: 1px solid var(--er-border);
  }
  .er-nav-wrap.is-open { display: flex; }
  .er-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }
  .er-nav li { width: 100%; }
  .er-nav a {
    font-size: 16px;
    padding: 16px 0;
    letter-spacing: 2px;
    border: none;
    border-bottom: 1px solid var(--er-border);
    background: transparent !important;
    width: 100%;
  }

  .er-featured-card { grid-template-columns: 1fr; }
  .er-featured-image { min-height: 200px; }
  .er-featured-body { padding: 24px; }

  .er-grid { grid-template-columns: 1fr; }
  .er-cats-grid { grid-template-columns: 1fr; }

  .er-hero { padding: 40px 0 28px; }
  .er-hero--cover { padding: 56px 0 32px; }
  .er-section-head { flex-direction: column; align-items: flex-start; }
  .er-logo-subtitle { display: none; }

  .er-about-hero .er-container { flex-direction: column; }
  .er-about-hero-img { width: 100%; max-width: 400px; margin: 0 auto; }

  .er-footer-top { flex-direction: column; }
  .er-footer-bottom { flex-direction: column; align-items: flex-start; }

  .er-article-wrapper { padding: 32px 0 60px; }
  .er-archive-header { padding: 40px 0 28px; }

  .er-stats-inner { justify-content: flex-start; }
}

@media (max-width: 480px) {
  .er-container { padding: 0 16px; }
  .er-share { gap: 8px; }
  .er-share-btn { padding: 6px 10px; font-size: 9px; }
}