/*
 * ScanApp Blog — Premium Theme
 * Layered on top of poole.min.css + lanyon.min.css.
 * Aligns blog aesthetics with the ScanApp v2 design system (dark, emerald-green, glassmorphism).
 */

/* ─── Design Tokens ─────────────────────────────────────────────────────────── */
:root {
  --blog-bg:          #0a0a0c;
  --blog-surface:     #121216;
  --blog-surface-2:   #1e1e24;
  --blog-surface-3:   #26262e;
  --blog-primary:     #10b981;     /* Emerald — matches ScanApp */
  --blog-primary-dim: #059669;
  --blog-primary-rgb: 16, 185, 129;
  --blog-text:        #f3f4f6;
  --blog-text-muted:  #9ca3af;
  --blog-text-dim:    #6b7280;
  --blog-border:      #27272a;
  --blog-radius:      12px;
  --blog-radius-lg:   20px;
  --blog-shadow:      0 4px 24px rgba(0,0,0,.55);
  --blog-shadow-lg:   0 12px 40px rgba(0,0,0,.7);
  --blog-font-sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --blog-font-serif:  'PT Serif', Georgia, 'Times New Roman', serif;
  --blog-max-width:   720px;
  --blog-content-max: 860px;
}

/* ─── Base Reset ─────────────────────────────────────────────────────────────── */
html, body {
  background: var(--blog-bg) !important;
  color: var(--blog-text) !important;
  font-family: var(--blog-font-sans) !important;
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

/* Inter from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── Links ──────────────────────────────────────────────────────────────────── */
a, a:visited {
  color: var(--blog-primary) !important;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #34d399 !important;
  text-decoration: underline;
}

/* ─── Headings ───────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--blog-font-sans) !important;
  color: var(--blog-text) !important;
  letter-spacing: -0.02em;
  font-weight: 700 !important;
  line-height: 1.3;
}

/* ─── Wrap & Container ───────────────────────────────────────────────────────── */
.wrap {
  background: var(--blog-bg);
}

.container {
  max-width: var(--blog-max-width) !important;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 56em) {
  .container {
    padding: 0 2rem;
  }
}

/* ─── Masthead / Header ──────────────────────────────────────────────────────── */
.masthead {
  background: linear-gradient(180deg, #0d0d10 0%, var(--blog-bg) 100%) !important;
  border-bottom: 1px solid var(--blog-border) !important;
  padding: 0 !important;
  margin-bottom: 0 !important;
}

/* Premium nav bar */
.blog-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  max-width: var(--blog-content-max);
  margin: 0 auto;
  gap: 1.5rem;
}

.blog-navbar-brand {
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px;
  height: 40px;           /* explicit height anchors the flex baseline */
  text-decoration: none !important;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--blog-text) !important;
  letter-spacing: -0.02em;
  line-height: 1;
}

.blog-navbar-brand img {
  width: 28px;
  height: 28px;
  display: block;
  flex-shrink: 0;
  vertical-align: middle;
  margin: 0 !important;    /* cancels poole/lanyon base img margin-bottom */
}

.blog-navbar-brand > span {
  display: block;
  line-height: 1;
  color: var(--blog-text);
}

.blog-navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.blog-navbar-links a {
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--blog-text-muted) !important;
  transition: all 0.2s ease;
  text-decoration: none !important;
}

.blog-navbar-links a:hover {
  color: var(--blog-text) !important;
  background: var(--blog-surface-2);
  text-decoration: none !important;
}

.blog-navbar-links a.active,
.blog-navbar-links a[href*="/blog/"]:not([href="https://scanapp.org"]) {
  color: var(--blog-primary) !important;
}

/* Use element+class selector (0,1,1) to beat a:visited (0,1,1) — same specificity
   but declared later, so wins. Also covers :link and :hover explicitly. */
a.blog-navbar-cta,
a.blog-navbar-cta:link,
a.blog-navbar-cta:visited {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--blog-primary);
  color: #ffffff !important;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: all 0.2s ease;
  white-space: nowrap;
}

a.blog-navbar-cta:hover,
a.blog-navbar-cta:focus {
  background: var(--blog-primary-dim);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--blog-primary-rgb), 0.35);
  color: #ffffff !important;
  text-decoration: none !important;
}

/* Blog hero title area */
.blog-hero {
  background: linear-gradient(135deg, #0d0d10 0%, #111118 60%, #0f1a14 100%);
  border-bottom: 1px solid var(--blog-border);
  padding: 2.5rem 2rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.blog-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(var(--blog-primary-rgb), 0.1);
  border: 1px solid rgba(var(--blog-primary-rgb), 0.2);
  color: var(--blog-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.blog-hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--blog-text);
  margin: 0 auto 0.75rem;
  max-width: 680px;
  line-height: 1.2;
}

.blog-hero-desc {
  font-size: 1rem;
  color: var(--blog-text-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── Content area ───────────────────────────────────────────────────────────── */
.container.content {
  padding-top: 2.5rem;
  padding-bottom: 4rem;
}

/* ─── Blog Index Listing ─────────────────────────────────────────────────────── */
.posts {
  display: grid;
  gap: 1.5rem;
}

.posts .post {
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius-lg);
  padding: 0;
  margin-bottom: 0 !important;
  transition: all 0.25s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.posts .post:hover {
  border-color: rgba(var(--blog-primary-rgb), 0.35);
  box-shadow: 0 8px 32px rgba(0,0,0,.5), 0 0 0 1px rgba(var(--blog-primary-rgb), 0.1);
  transform: translateY(-2px);
}

/* Post image in listing */
.posts .post .post-image-wrapper {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.posts .post .post-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}

.posts .post:hover .post-image-wrapper img {
  transform: scale(1.04);
}

/* Post card body */
.post-card-body {
  padding: 1.5rem 1.75rem 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Post title in listing */
.posts .post .post-title {
  font-size: 1.3rem !important;
  font-weight: 700 !important;
  line-height: 1.35;
  margin: 0 0 0.6rem !important;
  color: var(--blog-text) !important;
}

.posts .post .post-title a {
  color: var(--blog-text) !important;
  text-decoration: none !important;
  transition: color 0.2s;
}

.posts .post .post-title a:hover {
  color: var(--blog-primary) !important;
  text-decoration: none !important;
}

/* Post meta in listing */
.posts .post .post-date {
  font-size: 0.8rem;
  color: var(--blog-text-dim);
  margin: 0 0 1rem !important;
  display: flex;
  align-items: center;
  gap: 8px;
}

.posts .post .post-date a {
  color: var(--blog-text-muted) !important;
  font-weight: 500;
}

/* Post description in listing */
.posts .post .post-description {
  color: var(--blog-text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blog-primary) !important;
  text-decoration: none !important;
  transition: gap 0.2s ease;
}

.post-read-more:hover {
  gap: 10px;
  text-decoration: none !important;
}

/* ─── Pagination ─────────────────────────────────────────────────────────────── */
.pagination {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 2.5rem 0 0 !important;
  padding: 0;
  background: none !important;
  color: var(--blog-text) !important;
  border: none !important;
  font-family: var(--blog-font-sans) !important;
}

.pagination-item {
  display: inline-flex !important;
  align-items: center;
  padding: 0.55rem 1.25rem !important;
  background: var(--blog-surface);
  border: 1px solid var(--blog-border) !important;
  border-radius: 8px !important;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--blog-text-muted);
  transition: all 0.2s ease;
  float: none !important;
  width: auto !important;
  margin: 0 !important;
}

a.pagination-item:hover {
  background: var(--blog-surface-2) !important;
  border-color: rgba(var(--blog-primary-rgb), 0.4) !important;
  color: var(--blog-primary);
}

/* ─── Single Post ────────────────────────────────────────────────────────────── */

/* Post hero banner */
.post-hero {
  background: linear-gradient(135deg, #0d0d10 0%, #111118 60%, #0f1a14 100%);
  border-bottom: 1px solid var(--blog-border);
  padding: 3rem 2rem 3.5rem;
  position: relative;
  overflow: hidden;
}

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

.post-hero-inner {
  max-width: var(--blog-max-width);
  margin: 0 auto;
  position: relative;
}

/* Breadcrumb */
.post-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
  color: var(--blog-text-dim);
}

.post-breadcrumb a {
  color: var(--blog-text-dim) !important;
  text-decoration: none !important;
  transition: color 0.2s;
}

.post-breadcrumb a:hover {
  color: var(--blog-primary) !important;
}

.post-breadcrumb-sep {
  opacity: 0.4;
}

/* Post title (single) */
.post .post-title {
  font-size: clamp(1.75rem, 4vw, 2.6rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 1.25rem !important;
  color: var(--blog-text) !important;
}

/* Post meta */
.post-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--blog-text-dim);
}

.post-meta-bar .post-date {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin: 0 !important;
  color: var(--blog-text-dim) !important;
}

.post-meta-author {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 500;
  color: var(--blog-text-muted) !important;
}

.post-meta-author a {
  color: var(--blog-primary) !important;
  font-weight: 600;
}

.post-meta-reading-time {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--blog-text-dim);
}

.post-meta-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  background: rgba(var(--blog-primary-rgb), 0.08);
  border: 1px solid rgba(var(--blog-primary-rgb), 0.18);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blog-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ─── Post body content ──────────────────────────────────────────────────────── */
.post {
  max-width: var(--blog-max-width);
  margin: 0 auto;
  font-family: var(--blog-font-serif);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: #d1d5db;
}

.post p {
  margin-bottom: 1.5rem;
}

.post h2 {
  font-size: 1.5rem !important;
  margin-top: 2.5rem !important;
  margin-bottom: 0.75rem !important;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--blog-border);
  color: var(--blog-text) !important;
}

.post h3 {
  font-size: 1.2rem !important;
  margin-top: 2rem !important;
  margin-bottom: 0.6rem !important;
  color: var(--blog-text) !important;
}

.post h4 {
  font-size: 1rem !important;
  font-weight: 700 !important;
  margin-top: 1.5rem !important;
  color: var(--blog-text-muted) !important;
}

.post strong {
  color: var(--blog-text);
  font-weight: 700;
}

.post img {
  max-width: 100%;
  height: auto;
  border-radius: var(--blog-radius);
  border: 1px solid var(--blog-border);
  display: block;
  margin: 2rem auto;
}

.post blockquote {
  border-left: 3px solid var(--blog-primary) !important;
  background: rgba(var(--blog-primary-rgb), 0.04);
  padding: 1rem 1.5rem !important;
  margin: 2rem 0 !important;
  border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
  color: var(--blog-text-muted) !important;
  font-style: italic;
}

.post code {
  background: var(--blog-surface-2) !important;
  border: 1px solid var(--blog-border);
  color: #10b981;
  padding: 0.15em 0.45em;
  border-radius: 5px;
  font-size: 0.875em;
  font-family: 'Fira Code', 'Consolas', monospace;
}

.post pre {
  background: var(--blog-surface) !important;
  border: 1px solid var(--blog-border) !important;
  border-radius: var(--blog-radius) !important;
  padding: 1.25rem 1.5rem !important;
  overflow-x: auto;
  margin: 1.75rem 0;
}

.post pre code {
  background: none !important;
  border: none !important;
  padding: 0;
  font-size: 0.875rem;
  color: #e5e7eb;
}

.post ul, .post ol {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.post li {
  margin-bottom: 0.4rem;
}

.post table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9rem;
}

.post th {
  background: var(--blog-surface-2);
  color: var(--blog-text);
  font-weight: 600;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 2px solid var(--blog-border);
}

.post td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--blog-border);
  color: var(--blog-text-muted);
}

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

.post hr {
  border: none;
  border-top: 1px solid var(--blog-border);
  margin: 2.5rem 0;
}

/* ─── Related Posts ──────────────────────────────────────────────────────────── */
.related {
  margin-top: 3.5rem;
  padding-top: 2.5rem !important;
  border-top: 1px solid var(--blog-border) !important;
}

.related h2 {
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  color: var(--blog-text-muted) !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem !important;
}

.related-posts {
  display: grid !important;
  gap: 0.75rem;
  padding: 0 !important;
  list-style: none !important;
}

.related-posts li {
  border-radius: var(--blog-radius);
  border: 1px solid var(--blog-border);
  background: var(--blog-surface);
  transition: all 0.2s ease;
}

.related-posts li:hover {
  border-color: rgba(var(--blog-primary-rgb), 0.35);
  background: var(--blog-surface-2);
  transform: translateX(3px);
}

.related-posts li h3 {
  margin: 0 !important;
  font-size: 0.95rem !important;
  font-weight: 500 !important;
}

.related-posts li h3 a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.1rem;
  color: var(--blog-text) !important;
  text-decoration: none !important;
}

.related-posts li small {
  font-size: 0.75rem;
  color: var(--blog-text-dim) !important;
  white-space: nowrap;
  margin-left: 1rem;
}

/* ─── Comments (Utterances) ──────────────────────────────────────────────────── */
.utterances-section {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--blog-border);
}

.utterances-section h2 {
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  color: var(--blog-text-muted) !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem !important;
}

.utterances {
  max-width: 100% !important;
}

/* ─── Footer ─────────────────────────────────────────────────────────────────── */
.blog-footer {
  background: var(--blog-surface);
  border-top: 1px solid var(--blog-border);
  padding: 2.5rem 2rem;
  margin-top: 0;
}

.blog-footer-inner {
  max-width: var(--blog-content-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.blog-footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--blog-text);
  text-decoration: none !important;
}

.blog-footer-brand img {
  height: 24px;
  display: block;
  flex-shrink: 0;
  margin: 0 !important;    /* cancels poole/lanyon base img margin-bottom */
}

.blog-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem;
}

.blog-footer-links a {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  color: var(--blog-text-dim) !important;
  border-radius: 6px;
  transition: all 0.2s;
  text-decoration: none !important;
}

.blog-footer-links a:hover {
  color: var(--blog-primary) !important;
  background: var(--blog-surface-2);
}

.blog-footer-copy {
  font-size: 0.8rem;
  color: var(--blog-text-dim);
}

/* ─── Page layout (static pages) ────────────────────────────────────────────── */
.page-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem) !important;
  font-weight: 800 !important;
  color: var(--blog-text) !important;
  margin-bottom: 2rem !important;
  letter-spacing: -0.03em;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .blog-hero-title {
    font-size: 1.65rem;
  }

  .blog-navbar {
    padding: 0.85rem 1.25rem;
    flex-wrap: wrap;
  }

  .blog-navbar-links {
    display: none;
  }

  .blog-navbar-cta {
    font-size: 0.8rem;
    padding: 0.45rem 0.85rem;
  }

  .post-hero {
    padding: 2rem 1.25rem 2.5rem;
  }

  .container {
    padding: 0 1.1rem;
  }

  .container.content {
    padding-top: 1.75rem;
  }

  .blog-footer {
    padding: 2rem 1.25rem;
  }
}

/* ─── Syntax highlighting override ──────────────────────────────────────────── */
.highlight {
  background: var(--blog-surface) !important;
  border: 1px solid var(--blog-border) !important;
  border-radius: var(--blog-radius) !important;
}

/* ─── Misc utility ───────────────────────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   COLOR THEMES — mirrors scanapp-v2 data-theme tokens exactly
   Applied via: <html data-theme="...">
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ─── Light ──────────────────────────────────────────────────────────────────── */
[data-theme="light"] {
  --blog-bg:          #f9fafb;
  --blog-surface:     #ffffff;
  --blog-surface-2:   #f3f4f6;
  --blog-surface-3:   #e5e7eb;
  --blog-primary:     #059669;
  --blog-primary-dim: #047857;
  --blog-primary-rgb: 5, 150, 105;
  --blog-text:        #1f2937;
  --blog-text-muted:  #4b5563;
  --blog-text-dim:    #6b7280;
  --blog-border:      #e5e7eb;
  --blog-shadow:      0 4px 24px rgba(0,0,0,.08);
  --blog-shadow-lg:   0 12px 40px rgba(0,0,0,.15);
}

[data-theme="light"] .masthead {
  background: linear-gradient(180deg, #f0fdf4 0%, #f9fafb 100%) !important;
}

[data-theme="light"] .blog-hero {
  background: linear-gradient(135deg, #f0fdf4 0%, #f9fafb 60%, #ecfdf5 100%);
}

[data-theme="light"] .post-hero {
  background: linear-gradient(135deg, #f0fdf4 0%, #f9fafb 60%, #ecfdf5 100%);
}

[data-theme="light"] .post {
  color: #374151;
}

[data-theme="light"] .post pre code {
  color: #1f2937;
}

[data-theme="light"] .post code {
  color: #059669;
}

/* ─── Monokai ────────────────────────────────────────────────────────────────── */
[data-theme="monokai"] {
  --blog-bg:          #272822;
  --blog-surface:     #1e1f1c;
  --blog-surface-2:   #3e3d32;
  --blog-surface-3:   #49483e;
  --blog-primary:     #a6e22e;
  --blog-primary-dim: #8ec720;
  --blog-primary-rgb: 166, 226, 46;
  --blog-text:        #f8f8f2;
  --blog-text-muted:  #cfcfc2;
  --blog-text-dim:    #75715e;
  --blog-border:      #49483e;
  --blog-shadow:      0 4px 24px rgba(0,0,0,.6);
  --blog-shadow-lg:   0 12px 40px rgba(0,0,0,.75);
}

[data-theme="monokai"] .masthead {
  background: linear-gradient(180deg, #1a1b17 0%, #272822 100%) !important;
}

[data-theme="monokai"] .blog-hero,
[data-theme="monokai"] .post-hero {
  background: linear-gradient(135deg, #1a1b17 0%, #272822 60%, #1e2218 100%);
}

[data-theme="monokai"] .post code {
  color: #a6e22e;
}

/* ─── Dracula ────────────────────────────────────────────────────────────────── */
[data-theme="dracula"] {
  --blog-bg:          #282a36;
  --blog-surface:     #1e1f29;
  --blog-surface-2:   #44475a;
  --blog-surface-3:   #4d5068;
  --blog-primary:     #bd93f9;
  --blog-primary-dim: #ff79c6;
  --blog-primary-rgb: 189, 147, 249;
  --blog-text:        #f8f8f2;
  --blog-text-muted:  #cdd6f4;
  --blog-text-dim:    #6272a4;
  --blog-border:      #44475a;
  --blog-shadow:      0 4px 24px rgba(0,0,0,.55);
  --blog-shadow-lg:   0 12px 40px rgba(0,0,0,.7);
}

[data-theme="dracula"] .masthead {
  background: linear-gradient(180deg, #1a1b25 0%, #282a36 100%) !important;
}

[data-theme="dracula"] .blog-hero,
[data-theme="dracula"] .post-hero {
  background: linear-gradient(135deg, #1a1b25 0%, #282a36 60%, #1e2030 100%);
}

[data-theme="dracula"] .post code {
  color: #bd93f9;
}

/* ─── Nord ───────────────────────────────────────────────────────────────────── */
[data-theme="nord"] {
  --blog-bg:          #2e3440;
  --blog-surface:     #3b4252;
  --blog-surface-2:   #434c5e;
  --blog-surface-3:   #4c566a;
  --blog-primary:     #88c0d0;
  --blog-primary-dim: #81a1c1;
  --blog-primary-rgb: 136, 192, 208;
  --blog-text:        #eceff4;
  --blog-text-muted:  #d8dee9;
  --blog-text-dim:    #a0aec0;
  --blog-border:      #4c566a;
  --blog-shadow:      0 4px 24px rgba(0,0,0,.45);
  --blog-shadow-lg:   0 12px 40px rgba(0,0,0,.6);
}

[data-theme="nord"] .masthead {
  background: linear-gradient(180deg, #232730 0%, #2e3440 100%) !important;
}

[data-theme="nord"] .blog-hero,
[data-theme="nord"] .post-hero {
  background: linear-gradient(135deg, #232730 0%, #2e3440 60%, #263040 100%);
}

[data-theme="nord"] .post code {
  color: #88c0d0;
}

/* ─── Solarized Dark ─────────────────────────────────────────────────────────── */
[data-theme="solarized-dark"] {
  --blog-bg:          #002b36;
  --blog-surface:     #073642;
  --blog-surface-2:   #586e75;
  --blog-surface-3:   #657b83;
  --blog-primary:     #2aa198;
  --blog-primary-dim: #268bd2;
  --blog-primary-rgb: 42, 161, 152;
  --blog-text:        #fdf6e3;
  --blog-text-muted:  #93a1a1;
  --blog-text-dim:    #839496;
  --blog-border:      #073642;
  --blog-shadow:      0 4px 24px rgba(0,0,0,.55);
  --blog-shadow-lg:   0 12px 40px rgba(0,0,0,.7);
}

[data-theme="solarized-dark"] .masthead {
  background: linear-gradient(180deg, #001f28 0%, #002b36 100%) !important;
}

[data-theme="solarized-dark"] .blog-hero,
[data-theme="solarized-dark"] .post-hero {
  background: linear-gradient(135deg, #001f28 0%, #002b36 60%, #00262f 100%);
}

[data-theme="solarized-dark"] .post code {
  color: #2aa198;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   THEME PICKER UI
   ═══════════════════════════════════════════════════════════════════════════════ */

/* Wrapper: positions the dropdown relative to the button */
.blog-theme-picker {
  position: relative;
  display: flex;
  align-items: center;
}

/* Trigger button */
.blog-theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--blog-border);
  background: var(--blog-surface-2);
  color: var(--blog-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
  flex-shrink: 0;
}

.blog-theme-btn:hover {
  border-color: var(--blog-primary);
  color: var(--blog-primary);
  background: rgba(var(--blog-primary-rgb), 0.08);
}

.blog-theme-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform 0.3s ease;
}

.blog-theme-btn[aria-expanded="true"] svg {
  transform: rotate(30deg);
}

/* Dropdown panel */
.blog-theme-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--blog-surface);
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  box-shadow: var(--blog-shadow-lg);
  padding: 6px;
  z-index: 200;
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.blog-theme-dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Dropdown label */
.blog-theme-dropdown-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blog-text-dim);
  padding: 6px 10px 4px;
}

/* Individual theme option */
.blog-theme-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  color: var(--blog-text-muted);
  font-size: 0.875rem;
  font-family: var(--blog-font-sans);
}

.blog-theme-option:hover {
  background: var(--blog-surface-2);
  color: var(--blog-text);
}

.blog-theme-option.active {
  color: var(--blog-primary);
  background: rgba(var(--blog-primary-rgb), 0.08);
}

.blog-theme-option.active::after {
  content: '✓';
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--blog-primary);
}

/* Color swatch dot */
.blog-theme-swatch {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.15);
}

.swatch-dark         { background: #10b981; }
.swatch-light        { background: #059669; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1); }
.swatch-monokai      { background: #a6e22e; }
.swatch-dracula      { background: #bd93f9; }
.swatch-nord         { background: #88c0d0; }
.swatch-solarized-dark { background: #2aa198; }