/*
Theme Name: DevBlog
Theme URI: https://github.com/devblog-theme
Author: DevBlog
Author URI: https://example.com
Description: A high-performance programmer blog theme with blue accent color, Article schema, Gutenberg-compatible, and Web Vitals optimized for ranking.
Version: 1.0.0
Requires at least: 6.2
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: devblog
Tags: blog, two-columns, right-sidebar, custom-logo, custom-menu, custom-header, featured-images, full-width-template, sticky-post, threaded-comments, translation-ready, block-styles, wide-blocks, editor-style
*/

/* ============================================================
   TABLE OF CONTENTS
   1. CSS Custom Properties
   2. CSS Reset & Base
   3. Typography
   4. Layout & Container
   5. Header & Navigation
   6. Mobile Navigation
   7. Breadcrumbs
   8. Post Cards (Loop / Archive)
   9. Single Post
  10. Code Blocks & Syntax Highlighting
  11. Sidebar & Widgets
  12. Footer
  13. Comments
  14. Search Form & Results
  15. 404 Page
  16. Pagination
  17. Author Bio
  18. Related Posts
  19. Post Meta & Tags
  20. Table of Contents
  21. Reading Progress Bar
  22. Back to Top
  23. Gutenberg Block Overrides
  24. Utilities
  25. Accessibility
  26. Responsive — Tablet (max 1024px)
  27. Responsive — Mobile (max 768px)
  28. Responsive — Small Mobile (max 480px)
  29. Print Styles
   ============================================================ */

/* ============================================================
   1. CSS Custom Properties
   ============================================================ */
:root {
  /* Brand Colors */
  --color-primary:        #2563EB;
  --color-primary-dark:   #1D4ED8;
  --color-primary-darker: #1E40AF;
  --color-primary-light:  #EFF6FF;
  --color-primary-mid:    #DBEAFE;
  --color-primary-ring:   rgba(37, 99, 235, 0.25);

  /* Neutral Palette */
  --color-text:           #111827;
  --color-text-muted:     #4B5563;
  --color-text-light:     #9CA3AF;
  --color-border:         #E5E7EB;
  --color-border-light:   #F3F4F6;
  --color-bg:             #FFFFFF;
  --color-bg-secondary:   #F9FAFB;
  --color-bg-tertiary:    #F3F4F6;

  /* Semantic Colors */
  --color-success:        #059669;
  --color-warning:        #D97706;
  --color-error:          #DC2626;
  --color-info:           #0891B2;

  /* Code Colors (dark theme) */
  --color-code-bg:        #0F172A;
  --color-code-surface:   #1E293B;
  --color-code-text:      #E2E8F0;
  --color-code-comment:   #64748B;
  --color-code-keyword:   #93C5FD;
  --color-code-string:    #6EE7B7;
  --color-code-number:    #FCA5A5;
  --color-code-function:  #FDE68A;

  /* Typography */
  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
  --font-serif:  'Georgia', 'Times New Roman', serif;

  --font-size-xs:   0.75rem;    /* 12px */
  --font-size-sm:   0.875rem;   /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg:   1.0625rem;  /* 17px — article body */
  --font-size-xl:   1.125rem;   /* 18px */
  --font-size-2xl:  1.25rem;    /* 20px */
  --font-size-3xl:  1.5rem;     /* 24px */
  --font-size-4xl:  1.875rem;   /* 30px */
  --font-size-5xl:  2.25rem;    /* 36px */
  --font-size-6xl:  3rem;       /* 48px */

  --line-height-tight:   1.2;
  --line-height-snug:    1.375;
  --line-height-normal:  1.6;
  --line-height-relaxed: 1.75;
  --line-height-loose:   1.9;

  --font-weight-normal:    400;
  --font-weight-medium:    500;
  --font-weight-semibold:  600;
  --font-weight-bold:      700;
  --font-weight-extrabold: 800;

  /* Layout */
  --container-max:    1200px;
  --content-max:      800px;
  --prose-max:        68ch;
  --sidebar-width:    320px;
  --gap-content:      clamp(1.5rem, 4vw, 2.5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Borders */
  --radius-sm:   0.25rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm:  0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* Z-index Scale */
  --z-base:    1;
  --z-nav:     100;
  --z-sticky:  200;
  --z-overlay: 300;
  --z-modal:   400;
  --z-toast:   500;
}

/* ============================================================
   2. CSS Reset & Base
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

a:hover,
a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  color: var(--color-text);
  letter-spacing: -0.025em;
}

p {
  margin-bottom: var(--space-5);
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-2);
}

blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-muted);
  margin: var(--space-6) 0;
}

blockquote p {
  margin-bottom: 0;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  margin: var(--space-6) 0;
}

th, td {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  text-align: left;
}

th {
  background: var(--color-bg-secondary);
  font-weight: var(--font-weight-semibold);
}

tr:nth-child(even) td {
  background: var(--color-bg-secondary);
}

/* Forms */
input,
textarea,
select {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
}

button {
  cursor: pointer;
  font-family: var(--font-sans);
}

figure {
  margin: 0;
}

figcaption {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-2);
}

/* ============================================================
   3. Typography
   ============================================================ */
.site-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  line-height: 1;
}

.site-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* Headings with anchor hash links */
.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  scroll-margin-top: 5rem;
}

.entry-content h1 { font-size: var(--font-size-5xl); }
.entry-content h2 { font-size: var(--font-size-4xl); }
.entry-content h3 { font-size: var(--font-size-3xl); }
.entry-content h4 { font-size: var(--font-size-2xl); }
.entry-content h5 { font-size: var(--font-size-xl); }
.entry-content h6 { font-size: var(--font-size-base); font-weight: var(--font-weight-semibold); }

.entry-content p,
.entry-content li {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-loose);
  color: var(--color-text);
}

.entry-content ul,
.entry-content ol {
  margin-bottom: var(--space-5);
}

.entry-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.entry-content a:hover {
  color: var(--color-primary-dark);
  text-decoration-thickness: 2px;
}

.entry-content strong {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.entry-content em {
  font-style: italic;
}

.entry-content img {
  border-radius: var(--radius-md);
  margin: var(--space-6) auto;
  max-width: 100%;
}

/* Inline code */
.entry-content code:not([class*="language-"]) {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--color-bg-tertiary);
  color: var(--color-primary-dark);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  white-space: nowrap;
}

/* ============================================================
   4. Layout & Container
   ============================================================ */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1;
  min-width: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  min-width: 0;
}

.content-area {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--gap-content);
  align-items: start;
  padding-block: var(--space-10);
}

.content-area > * {
  min-width: 0;
}

.content-area.no-sidebar {
  grid-template-columns: 1fr;
  max-width: var(--content-max);
  margin-inline: auto;
}

.content-area.wide {
  grid-template-columns: 1fr;
}

.content-page-single {
  max-width: 860px;
}

/* ============================================================
   5. Header & Navigation
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-4);
}

/* Logo */
.site-branding {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

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

.custom-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.site-branding-text .site-title {
  color: var(--color-text);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
}

.site-branding-text .site-description {
  display: none;
}

/* Primary Navigation */
.primary-navigation {
  flex: 1;
  display: flex;
  justify-content: center;
}

.primary-navigation ul {
  display: flex;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--space-1);
}

.primary-navigation ul li {
  margin: 0;
  position: relative;
}

.primary-navigation ul li.menu-item-has-children > a {
  padding-right: calc(var(--space-3) + 14px);
}

.primary-navigation ul li.menu-item-has-children > a::after {
  content: '';
  position: absolute;
  right: var(--space-2);
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.8px solid currentColor;
  border-bottom: 1.8px solid currentColor;
  transform: translateY(-65%) rotate(45deg);
  transition: transform var(--transition-fast);
}

.primary-navigation ul li.menu-item-has-children > a[aria-expanded="true"]::after {
  transform: translateY(-35%) rotate(-135deg);
}

.primary-navigation ul li a {
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.primary-navigation ul li a:hover,
.primary-navigation ul li.current-menu-item > a,
.primary-navigation ul li.current-menu-ancestor > a {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Dropdown */
.primary-navigation ul li ul {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  gap: 0;
  z-index: var(--z-nav);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.primary-navigation ul li:hover > ul,
.primary-navigation ul li:focus-within > ul,
.primary-navigation ul li.submenu-open > ul {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.primary-navigation ul li ul li a {
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  min-width: 0;
}

.header-search-inline {
  width: min(360px, 38vw);
  min-width: 180px;
}

.header-search-inline form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 38px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.header-search-inline form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-ring);
  background: var(--color-bg);
}

.header-search-icon {
  display: inline-flex;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.header-search-inline svg {
  width: 16px;
  height: 16px;
  margin: 0;
}

.header-search-inline input[type="search"] {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.header-search-inline input[type="search"]::placeholder {
  color: var(--color-text-light);
}

.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-menu-toggle:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.mobile-menu-toggle {
  display: none;
}

/* ============================================================
   6. Mobile Navigation
   ============================================================ */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(0, 0, 0, 0.4);
}

.mobile-nav-overlay.active {
  display: block;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--color-bg);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.mobile-nav-panel.active {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
}

.mobile-nav-menu {
  flex: 1;
  padding: var(--space-4);
}

.mobile-nav-search {
  margin-bottom: var(--space-4);
}

.mobile-nav-search-form {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.mobile-nav-search-form input[type="search"] {
  flex: 1;
  min-width: 0;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg);
}

.mobile-nav-search-form button {
  height: 38px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  padding: 0 var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.mobile-nav-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav-menu ul li {
  margin-bottom: var(--space-1);
}

.mobile-nav-menu ul li a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}

.mobile-nav-menu ul li a:hover,
.mobile-nav-menu ul li.current-menu-item > a {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.mobile-nav-menu ul ul {
  padding-left: var(--space-4);
  margin-top: var(--space-1);
}

/* ============================================================
   7. Breadcrumbs
   ============================================================ */
.breadcrumbs {
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.breadcrumbs nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

.breadcrumbs .breadcrumb-current {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* ============================================================
   8. Post Cards (Loop / Archive)
   ============================================================ */
.posts-grid {
  display: grid;
  gap: var(--space-8);
}

.posts-grid.two-col {
  grid-template-columns: repeat(2, 1fr);
}

.post-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal), border-color var(--transition-normal);
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  align-items: stretch;
}

.post-card:not(.has-post-thumbnail) {
  grid-template-columns: 1fr;
}

.post-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-mid);
  transform: translateY(-2px);
}

.post-card-thumb {
  position: relative;
  overflow: hidden;
  min-height: 180px;
  background: var(--color-bg-tertiary);
}

.post-card-thumb a {
  display: block;
  width: 100%;
  height: 100%;
}

.post-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  border-radius: 0;
  transition: transform var(--transition-slow);
}

.post-card:hover .post-card-thumb img {
  transform: scale(1.04);
}

.post-card-body {
  min-width: 0;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  justify-content: center;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.post-card-category {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.075em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.post-card-category:hover {
  background: var(--color-primary-mid);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.post-card-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.post-card-read-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.post-card-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  letter-spacing: -0.02em;
  margin: 0;
}

.post-card-title a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.post-card-title a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.post-card-excerpt {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

.post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.post-card-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.post-card-author-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: 0;
}

.post-card-author-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.read-more-link:hover {
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-primary-dark);
}

/* Featured Post (first post on homepage) */
.post-card.is-featured {
  grid-column: auto;
}

.post-card.is-featured .post-card-title {
  font-size: var(--font-size-2xl);
}

.post-card.is-featured .post-card-excerpt {
  -webkit-line-clamp: 3;
}

/* ============================================================
   9. Single Post
   ============================================================ */
.single-post-header {
  padding-block: var(--space-12) var(--space-8);
  background: linear-gradient(180deg, var(--color-primary-light) 0%, transparent 100%);
  border-bottom: 1px solid var(--color-border-light);
}

.single-post-header .container {
  max-width: 900px;
}

.single-post-featured-wrap {
  max-width: 900px;
  margin-top: var(--space-8);
}

.post-category-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.post-category-badge {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.075em;
  color: var(--color-primary);
  background: white;
  border: 1.5px solid var(--color-primary-mid);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.post-category-badge:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  text-decoration: none;
}

.entry-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.post-meta-bar {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.post-meta-bar a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.post-meta-bar a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.post-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.post-meta-item .meta-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.6;
}

.post-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: 0;
  border: 2px solid var(--color-bg);
  box-shadow: var(--shadow-sm);
}

/* Featured Image */
.post-featured-image {
  margin-top: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16/8;
  background: var(--color-bg-tertiary);
  max-width: 900px;
  margin-inline: auto;
}

.post-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  border-radius: 0;
}

/* Single Post Layout */
.single-content-wrapper {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--gap-content);
  align-items: start;
  padding-block: var(--space-10);
  max-width: 1100px;
  margin-inline: auto;
}

.single-content-wrapper.no-sidebar {
  grid-template-columns: 1fr;
  max-width: var(--content-max);
}

.entry-content {
  min-width: 0;
  max-width: 72ch;
  overflow-wrap: break-word;
  word-break: normal;
}

.single-content-wrapper.no-sidebar .entry-content {
  max-width: 100%;
}

.entry-content img,
.entry-content video,
.entry-content canvas,
.entry-content iframe,
.entry-content svg,
.entry-content table,
.widget img,
.widget video,
.widget iframe,
.widget table {
  max-width: 100%;
}

.entry-content table,
.widget table {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  white-space: nowrap;
}

.entry-content p,
.entry-content li,
.entry-content blockquote,
.entry-content figcaption,
.entry-content a,
.entry-title,
.post-card-title,
.archive-title {
  overflow-wrap: anywhere;
}

.single-sidebar {
  position: sticky;
  top: calc(64px + var(--space-6));
  min-width: 0;
}

.single-sidebar .sidebar,
.single-sidebar .widget {
  min-width: 0;
}

.single-sidebar .widget {
  overflow-wrap: anywhere;
}

.single-sidebar .widget img,
.single-sidebar .widget table,
.single-sidebar .widget iframe,
.single-sidebar .widget select,
.single-sidebar .widget input,
.single-sidebar .widget textarea {
  max-width: 100%;
}

.entry-header-page {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.entry-title-page {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.03em;
}

.page-featured-image {
  margin-bottom: var(--space-8);
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16/7;
  background: var(--color-bg-tertiary);
}

.page-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  margin: 0;
}

.page-links-inline {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ============================================================
   10. Code Blocks & Syntax Highlighting
   ============================================================ */
.entry-content pre,
.wp-block-code,
pre[class*="language-"] {
  position: relative;
  background: var(--color-code-bg) !important;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
  margin: var(--space-8) 0;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  -webkit-overflow-scrolling: touch;
}

.code-block-wrapper {
  position: relative;
}

/* Language label */
.code-lang-label {
  display: block;
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary-mid);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  user-select: none;
}

/* Code copy button */
.code-copy-btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  z-index: 10;
  white-space: nowrap;
}

.code-copy-btn:hover {
  background: rgba(37, 99, 235, 0.3);
  border-color: rgba(37, 99, 235, 0.6);
  color: #93C5FD;
}

.code-copy-btn.copied {
  background: rgba(5, 150, 105, 0.2);
  border-color: rgba(5, 150, 105, 0.4);
  color: #6EE7B7;
}

.code-copy-btn svg {
  width: 12px;
  height: 12px;
  margin: 0;
  display: inline-block;
}

/* Code content */
.entry-content pre code,
.wp-block-code code,
pre[class*="language-"] code {
  display: block;
  font-family: var(--font-mono) !important;
  font-size: 0.875rem !important;
  line-height: 1.75 !important;
  color: var(--color-code-text) !important;
  padding: var(--space-5) var(--space-6) !important;
  overflow-x: auto;
  tab-size: 2;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  white-space: pre;
  min-width: max-content;
  width: max-content;
  max-width: none;
}

/* Has lang label */
.code-block-wrapper.has-lang pre code,
.code-block-wrapper.has-lang .wp-block-code code {
  padding-top: var(--space-4) !important;
}

/* Scrollbar for code */
.entry-content pre code::-webkit-scrollbar,
.wp-block-code code::-webkit-scrollbar {
  height: 6px;
}

.entry-content pre code::-webkit-scrollbar-track,
.wp-block-code code::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}

.entry-content pre code::-webkit-scrollbar-thumb,
.wp-block-code code::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

/* Line numbers (Prism line-numbers plugin) */
.line-numbers .line-numbers-rows {
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-5) 0;
}

.line-numbers-rows > span::before {
  color: rgba(255, 255, 255, 0.2);
}

/* Prism token overrides (Tomorrow Night theme enhancements) */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: var(--color-code-comment) !important;
  font-style: italic;
}

.token.keyword,
.token.important,
.token.bold {
  color: var(--color-code-keyword) !important;
  font-weight: var(--font-weight-semibold);
}

.token.string,
.token.char,
.token.attr-value {
  color: var(--color-code-string) !important;
}

.token.number {
  color: var(--color-code-number) !important;
}

.token.function,
.token.function-variable {
  color: var(--color-code-function) !important;
}

/* ============================================================
   11. Sidebar & Widgets
   ============================================================ */
.sidebar {
  font-size: var(--font-size-sm);
}

.widget {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.widget:last-child {
  margin-bottom: 0;
}

.widget-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary-mid);
}

/* Recent Posts Widget */
.widget_recent_entries ul,
.widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.widget_recent_entries ul li,
.widget ul li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
  margin: 0;
}

.widget_recent_entries ul li:last-child,
.widget ul li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.widget_recent_entries ul li a {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-1);
  text-decoration: none;
}

.widget_recent_entries ul li a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.widget_recent_entries .post-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

/* Categories Widget */
.widget_categories ul li {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.widget_categories ul li a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.widget_categories ul li a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* Tag Cloud */
.widget_tag_cloud .tagcloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  list-style: none;
}

.widget_tag_cloud .tag-cloud-link {
  display: inline-block;
  font-size: var(--font-size-xs) !important;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  line-height: 1.5;
}

.widget_tag_cloud .tag-cloud-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary-mid);
  text-decoration: none;
}

/* Search Widget */
.widget_search .search-form {
  display: flex;
  gap: var(--space-2);
}

.widget_search .search-field {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.widget_search .search-field:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.widget_search .search-submit {
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.widget_search .search-submit:hover {
  background: var(--color-primary-dark);
}

/* ============================================================
   12. Footer
   ============================================================ */
.site-footer {
  background: #0F172A;
  color: #94A3B8;
  margin-top: var(--space-16);
}

.footer-top {
  padding-block: var(--space-16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-brand {
  margin-right: var(--space-8);
}

.footer-logo {
  height: 32px;
  width: auto;
  filter: brightness(10);
  margin-bottom: var(--space-4);
  opacity: 0.9;
}

.footer-brand-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: #F1F5F9;
  margin-bottom: var(--space-3);
}

.footer-brand-desc {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: #64748B;
  margin-bottom: var(--space-5);
}

.footer-social-links {
  display: flex;
  gap: var(--space-3);
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: #94A3B8;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  text-decoration: none;
}

.footer-social-link svg {
  width: 16px;
  height: 16px;
  margin: 0;
}

.footer-col-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #E2E8F0;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: var(--space-2);
}

.footer-col ul li a {
  font-size: var(--font-size-sm);
  color: #64748B;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* Footer Bottom */
.footer-bottom {
  padding-block: var(--space-6);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: #475569;
}

.footer-copyright a {
  color: #64748B;
  text-decoration: none;
}

.footer-copyright a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-nav ul {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav ul li {
  margin: 0;
}

.footer-nav ul li a {
  font-size: var(--font-size-sm);
  color: #475569;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav ul li a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* ============================================================
   13. Comments
   ============================================================ */
.comments-area {
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.comments-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-8);
}

.comment-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.comment {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.comment:last-child {
  border-bottom: none;
}

.comment-body {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-4);
}

.comment-author img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: 0;
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.comment-author-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.comment-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.comment-content p {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.comment-reply-link {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
}

.comment-reply-link:hover {
  text-decoration: underline;
}

/* Children/Replies */
.children {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0 3.5rem;
}

/* Comment Form */
#respond {
  margin-top: var(--space-10);
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.comment-reply-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-6);
}

.comment-form p {
  margin-bottom: var(--space-4);
}

.comment-form label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.comment-form input:focus,
.comment-form textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.comment-form textarea {
  min-height: 140px;
  resize: vertical;
  line-height: var(--line-height-relaxed);
}

.comment-form-cookies-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.comment-form-cookies-consent input {
  margin-top: 0.2em;
}

.comment-form .submit {
  display: inline-flex;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.comment-form .submit:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   14. Search Form & Results
   ============================================================ */
.search-form {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.search-field {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: none;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  outline: none;
}

.search-submit {
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary);
  color: white;
  border: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.search-submit:hover {
  background: var(--color-primary-dark);
}

.search-results-header {
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-8);
}

.search-results-header h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-3);
}

.search-count {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

.search-count span {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* ============================================================
   15. 404 Page
   ============================================================ */
.error-404 {
  text-align: center;
  padding-block: var(--space-20);
  max-width: 600px;
  margin-inline: auto;
}

.error-404 .error-code {
  font-size: 8rem;
  font-weight: var(--font-weight-extrabold);
  line-height: 1;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

.error-404 .error-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
}

.error-404 .error-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.error-404 .search-form {
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
  text-decoration: none;
  color: var(--color-primary-dark);
}

/* ============================================================
   16. Pagination
   ============================================================ */
.pagination,
.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-block: var(--space-10);
  flex-wrap: wrap;
}

.page-numbers,
.nav-links .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.page-numbers:hover,
.nav-links .page-numbers:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-mid);
  color: var(--color-primary);
  text-decoration: none;
}

.page-numbers.current,
.nav-links .page-numbers.current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.page-numbers.dots {
  border: none;
  background: transparent;
}

/* Post Navigation */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.nav-previous,
.nav-next {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-previous:hover,
.nav-next:hover {
  border-color: var(--color-primary-mid);
  box-shadow: var(--shadow-sm);
}

.nav-next {
  text-align: right;
}

.nav-direction {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.nav-title {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  line-height: var(--line-height-snug);
  text-decoration: none;
}

.nav-previous a:hover .nav-title,
.nav-next a:hover .nav-title {
  color: var(--color-primary);
}

/* ============================================================
   17. Author Bio
   ============================================================ */
.author-bio-card {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin-top: var(--space-12);
}

.author-bio-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: 0;
  flex-shrink: 0;
  border: 3px solid var(--color-bg);
  box-shadow: var(--shadow-md);
}

.author-bio-info {
  flex: 1;
}

.author-bio-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.author-bio-role {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-3);
}

.author-bio-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.author-bio-links {
  display: flex;
  gap: var(--space-3);
}

.author-bio-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ============================================================
   18. Related Posts
   ============================================================ */
.related-posts {
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.related-posts-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-6);
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.related-post-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.related-post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.related-post-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-tertiary);
}

.related-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  border-radius: 0;
  transition: transform var(--transition-slow);
}

.related-post-card:hover .related-post-thumb img {
  transform: scale(1.05);
}

.related-post-body {
  padding: var(--space-4);
}

.related-post-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-2);
  text-decoration: none;
}

.related-post-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  color: var(--color-text);
  text-decoration: none;
  display: block;
  transition: color var(--transition-fast);
}

.related-post-title:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* ============================================================
   19. Post Meta & Tags
   ============================================================ */
.post-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.post-tags-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  margin-right: var(--space-2);
}

.post-tag-link {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.post-tag-link:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-mid);
  color: var(--color-primary);
  text-decoration: none;
}

/* ============================================================
   20. Table of Contents
   ============================================================ */
.toc-widget {
  position: sticky;
  top: calc(64px + var(--space-6));
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-6);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.toc-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary-mid);
}

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

.toc-list li {
  margin-bottom: 0;
  border-bottom: none;
  padding: 0;
}

.toc-list a {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  line-height: var(--line-height-snug);
}

.toc-list a:hover,
.toc-list a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-left-color: var(--color-primary);
  text-decoration: none;
}

.toc-list .toc-h3 {
  padding-left: var(--space-4);
  font-size: var(--font-size-xs);
}

.toc-list .toc-h4 {
  padding-left: var(--space-8);
  font-size: var(--font-size-xs);
}

/* ============================================================
   21. Reading Progress Bar
   ============================================================ */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  z-index: var(--z-modal);
  transition: width 100ms linear;
}

/* ============================================================
   22. Back to Top
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity var(--transition-normal), transform var(--transition-normal), background var(--transition-fast);
  z-index: var(--z-overlay);
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-xl);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  margin: 0;
}

/* ============================================================
   23. Gutenberg Block Overrides
   ============================================================ */

/* Align wide */
.alignwide {
  max-width: min(100vw - 2rem, 1000px);
  margin-inline: auto;
}

.alignfull {
  margin-inline: calc(-1 * clamp(1rem, 4vw, 2rem));
  max-width: none;
}

/* Image captions */
.wp-block-image figcaption {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* Gutenberg buttons */
.wp-block-button__link {
  background: var(--color-primary) !important;
  border-radius: var(--radius-md) !important;
  font-weight: var(--font-weight-semibold) !important;
  transition: background var(--transition-fast) !important;
}

.wp-block-button__link:hover {
  background: var(--color-primary-dark) !important;
}

/* Pullquote */
.wp-block-pullquote {
  border-top: 4px solid var(--color-primary) !important;
  border-bottom: 4px solid var(--color-primary) !important;
  padding-block: var(--space-6) !important;
  text-align: center;
}

.wp-block-pullquote blockquote {
  border: none;
  background: transparent;
  text-align: center;
}

.wp-block-pullquote p {
  font-size: var(--font-size-2xl) !important;
  font-style: italic;
  color: var(--color-text) !important;
}

/* Separator */
.wp-block-separator {
  border-color: var(--color-border) !important;
}

.wp-block-separator.is-style-wide {
  max-width: none;
}

/* Cover */
.wp-block-cover {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

/* Gallery */
.wp-block-gallery {
  gap: var(--space-3);
}

/* Table */
.wp-block-table table {
  font-size: var(--font-size-sm);
}

.wp-block-table th {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* Callout (Notice blocks) */
.wp-block-notice,
.wp-block-info,
.wp-block-warning,
.wp-block-tip {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  margin-block: var(--space-6);
}

/* ============================================================
   24. Utilities
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center  { text-align: center; }
.text-muted   { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Sticky post indicator */
.sticky .post-card {
  border-color: var(--color-primary-mid);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
}

.sticky-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-dark);
  background: var(--color-primary-mid);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

/* No results */
.no-results {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text-muted);
}

.no-results .no-results-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
}

.no-results h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

/* Archive header */
.archive-header {
  padding-block: var(--space-12) var(--space-8);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border-light);
  text-align: center;
}

.archive-header .archive-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  display: block;
}

.archive-header .archive-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.archive-header .archive-description {
  max-width: 600px;
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

/* ============================================================
   25. Accessibility
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: white;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  z-index: var(--z-toast);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
  color: white;
  text-decoration: none;
}

/* ============================================================
   26. Responsive — Tablet (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 280px;
  }

  .single-post-header {
    padding-block: var(--space-10) var(--space-7);
  }

  .single-post-header .container,
  .single-post-featured-wrap,
  .content-page-single {
    max-width: 100%;
  }

  .header-inner {
    gap: var(--space-3);
  }

  .primary-navigation ul {
    gap: 0;
  }

  .primary-navigation ul li a {
    padding: var(--space-2);
    font-size: var(--font-size-xs);
  }

  .header-search-inline {
    width: min(250px, 30vw);
    min-width: 150px;
  }

  .header-search-inline form {
    height: 36px;
    padding: 0 var(--space-2);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
    margin-right: 0;
  }

  .related-posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .post-card,
  .post-card.is-featured {
    grid-template-columns: minmax(190px, 240px) 1fr;
  }

  .post-card-thumb,
  .post-card.is-featured .post-card-thumb {
    min-height: 160px;
  }
}

/* ============================================================
   27. Responsive — Mobile (max 768px)
   ============================================================ */
@media (max-width: 768px) {
  .container {
    padding-inline: var(--space-4);
  }

  .header-inner {
    height: auto;
    min-height: 64px;
    padding-block: var(--space-2);
    flex-wrap: wrap;
  }

  .site-branding {
    flex: 1;
    min-width: 0;
  }

  .primary-navigation {
    display: none;
  }

  .header-search-inline {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .content-area {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding-block: var(--space-8);
  }

  .post-card,
  .post-card.is-featured {
    grid-template-columns: 1fr;
  }

  .post-card-thumb,
  .post-card.is-featured .post-card-thumb {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .single-content-wrapper {
    grid-template-columns: 1fr;
  }

  .single-sidebar {
    position: static;
    order: -1;
    width: 100%;
    overflow-x: hidden;
  }

  .toc-widget {
    position: static;
    max-height: none;
  }

  .single-post-header {
    padding-block: var(--space-8) var(--space-6);
  }

  .post-meta-bar {
    gap: var(--space-3);
  }

  .post-meta-item {
    min-width: 0;
  }

  .post-featured-image,
  .page-featured-image {
    aspect-ratio: 16 / 9;
  }

  .entry-content {
    max-width: 100%;
  }

  .posts-grid.two-col {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  .author-bio-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .author-bio-links {
    justify-content: center;
  }

  .post-navigation {
    grid-template-columns: 1fr;
  }

  .related-posts-grid {
    grid-template-columns: 1fr;
  }

  .comment-body {
    grid-template-columns: 36px 1fr;
    gap: var(--space-3);
  }

  .comment-author img {
    width: 36px;
    height: 36px;
  }

  .children {
    margin-left: var(--space-6);
  }

  .post-featured-image {
    border-radius: var(--radius-md);
  }
}

/* ============================================================
   28. Responsive — Small Mobile (max 480px)
   ============================================================ */
@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-3);
  }

  .site-branding-text .site-title {
    font-size: 1rem;
  }

  .header-inner {
    gap: var(--space-2);
  }

  .header-search-inline form {
    height: 38px;
  }

  .entry-title {
    font-size: 1.625rem;
    line-height: 1.2;
  }

  .post-card-title {
    font-size: var(--font-size-xl);
  }

  .post-meta-bar {
    gap: var(--space-3);
  }

  .entry-content pre code,
  .wp-block-code code {
    font-size: 0.8125rem !important;
    padding: var(--space-3) var(--space-3) !important;
  }

  .entry-content pre,
  .wp-block-code,
  pre[class*="language-"] {
    border-radius: var(--radius-md);
    margin-inline: 0;
  }

  .code-copy-btn {
    padding: var(--space-1) var(--space-2);
  }

  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
  }
}

/* ============================================================
   29. Print Styles
   ============================================================ */
@media print {
  .site-header,
  .site-footer,
  .sidebar,
  .related-posts,
  .author-bio-card,
  .post-navigation,
  .comments-area,
  .reading-progress,
  .back-to-top,
  .code-copy-btn,
  .toc-widget {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .entry-content {
    max-width: 100%;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #555;
  }

  pre, code {
    background: #f5f5f5 !important;
    color: #333 !important;
    border: 1px solid #ddd;
  }

  h2, h3 {
    page-break-after: avoid;
  }

  img {
    max-width: 100% !important;
  }
}

/* ============================================================
   Prefers Reduced Motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}