/* ============================================================
   TECHNO2025 - Design System
   Dark-first, tech-gradient aesthetic
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Core palette */
  --tn-bg: #0a0a0f;
  --tn-bg-alt: #111118;
  --tn-bg-card: #16161f;
  --tn-bg-hover: #1e1e2a;

  --tn-border: #2a2a3a;
  --tn-border-light: #3a3a4f;

  /* Text */
  --tn-text: #e4e4ed;
  --tn-text-muted: #9999aa;
  --tn-text-dim: #666677;
  --tn-heading: #f0f0ff;

  /* Accent - electric cyan/blue */
  --tn-accent: #00d4ff;
  --tn-accent-hover: #33ddff;
  --tn-accent-dim: #0099bb;
  --tn-accent-glow: rgba(0, 212, 255, 0.15);
  --tn-accent-glow-strong: rgba(0, 212, 255, 0.3);

  /* Secondary accent - violet */
  --tn-violet: #8b5cf6;
  --tn-violet-dim: #6d40d4;

  /* Gradient */
  --tn-gradient: linear-gradient(135deg, #00d4ff 0%, #8b5cf6 50%, #f472b6 100%);
  --tn-gradient-subtle: linear-gradient(135deg, rgba(0,212,255,0.08) 0%, rgba(139,92,246,0.08) 100%);
  --tn-gradient-border: linear-gradient(135deg, rgba(0,212,255,0.4) 0%, rgba(139,92,246,0.4) 100%);

  /* Status */
  --tn-success: #34d399;
  --tn-warning: #fbbf24;
  --tn-danger: #f87171;

  /* Spacing */
  --tn-space-xs: 0.25rem;
  --tn-space-sm: 0.5rem;
  --tn-space-md: 1rem;
  --tn-space-lg: 1.5rem;
  --tn-space-xl: 2rem;
  --tn-space-2xl: 3rem;
  --tn-space-3xl: 4rem;

  /* Typography */
  --tn-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --tn-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --tn-line-height: 1.7;

  /* Borders */
  --tn-radius-sm: 4px;
  --tn-radius-md: 8px;
  --tn-radius-lg: 12px;
  --tn-radius-full: 9999px;

  /* Transitions */
  --tn-transition: 0.2s ease;
  --tn-transition-slow: 0.4s ease;

  /* Layout */
  --tn-max-width: 1200px;
  --tn-content-width: 780px;
}

/* --- Light Theme Override --- */
[data-theme="light"] {
  --tn-bg: #f8f8fc;
  --tn-bg-alt: #ffffff;
  --tn-bg-card: #ffffff;
  --tn-bg-hover: #f0f0f5;
  --tn-border: #d8d8e4;
  --tn-border-light: #e8e8f0;
  --tn-text: #1a1a2e;
  --tn-text-muted: #666680;
  --tn-text-dim: #9999aa;
  --tn-heading: #0f0f1a;
  --tn-accent: #0099cc;
  --tn-accent-hover: #007aa3;
  --tn-accent-dim: #006688;
  --tn-accent-glow: rgba(0, 153, 204, 0.1);
  --tn-accent-glow-strong: rgba(0, 153, 204, 0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  font-family: var(--tn-font);
  line-height: var(--tn-line-height);
  color: var(--tn-text);
  background: var(--tn-bg);
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
}

a {
  color: var(--tn-accent);
  text-decoration: none;
  transition: color var(--tn-transition);
}

a:hover {
  color: var(--tn-accent-hover);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--tn-heading);
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }

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

/* --- Utility Classes --- */
.container {
  max-width: var(--tn-max-width);
  margin: 0 auto;
  padding: 0 var(--tn-space-xl);
}

.content-width {
  max-width: var(--tn-content-width);
  margin-left: auto;
  margin-right: auto;
}

.text-muted { color: var(--tn-text-muted); }
.text-dim { color: var(--tn-text-dim); }
.mt-1 { margin-top: var(--tn-space-md); }
.mt-2 { margin-top: var(--tn-space-xl); }
.mb-2 { margin-bottom: var(--tn-space-xl); }

.gradient-text {
  background: var(--tn-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Header --- */
.site-header {
  border-bottom: 1px solid var(--tn-border);
  padding: var(--tn-space-md) var(--tn-space-xl);
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--tn-bg);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--tn-space-xl);
}

.site-logo {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: var(--tn-space-lg);
  align-items: center;
}

.site-nav a {
  color: var(--tn-text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: var(--tn-space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--tn-transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--tn-accent);
  border-bottom-color: var(--tn-accent);
}

/* Navigation Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  background: none;
  border: none;
  color: var(--tn-text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: var(--tn-space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--tn-transition);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--tn-space-xs);
}

.nav-dropdown-toggle::after {
  content: '▾';
  font-size: 0.7rem;
  transition: transform var(--tn-transition);
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle.active {
  color: var(--tn-accent);
  border-bottom-color: var(--tn-accent);
}

.nav-dropdown-toggle.active::after {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--tn-bg-card);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--tn-transition);
  z-index: 1000;
  padding: var(--tn-space-sm) 0;
  margin-top: var(--tn-space-sm);
}

.nav-dropdown.active .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Megamenu Styles */
.nav-megamenu .nav-dropdown-menu {
  min-width: 360px;
  max-width: 440px;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 0;
  background: var(--tn-bg-card);
  border: 1px solid var(--tn-border-light);
  border-radius: var(--tn-radius-lg);
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.05),
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06),
    0 20px 25px -5px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  max-width: calc(100vw - 32px);
  overflow: hidden;
}

.nav-megamenu.active .nav-dropdown-menu {
  transform: translateX(-50%) translateY(0);
}

.megamenu-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.megamenu-section {
  min-width: 0;
  padding: 28px 32px;
  border-bottom: 1px solid var(--tn-border);
}

.megamenu-section:last-child {
  border-bottom: none;
}

.megamenu-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--tn-text-dim);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(139, 92, 246, 0.2);
  position: relative;
}

.megamenu-title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 1px;
  background: var(--tn-gradient);
}

.megamenu-featured {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.megamenu-featured-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: linear-gradient(135deg, var(--tn-bg-alt) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-md);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.megamenu-featured-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.megamenu-featured-item:hover::before {
  left: 0;
}

.megamenu-featured-item:hover {
  background: linear-gradient(135deg, var(--tn-bg-hover) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateY(-2px);
  box-shadow: 
    0 0 0 1px rgba(139, 92, 246, 0.2),
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 10px 15px -3px rgba(139, 92, 246, 0.2);
}

.featured-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  z-index: 1;
  position: relative;
  padding: 0 8px;
}

.featured-content h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--tn-heading);
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0.02em;
  padding-right: 16px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.featured-content p {
  font-size: 13px;
  color: var(--tn-text-muted);
  margin: 0;
  line-height: 1.2;
  text-align: right;
  white-space: nowrap;
  font-weight: 500;
  padding-left: 16px;
  background: linear-gradient(135deg, var(--tn-accent), var(--tn-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-dropdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--tn-space-sm) var(--tn-space-md);
  color: var(--tn-text);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all var(--tn-transition);
  border-bottom: none;
}

.nav-dropdown-item:hover {
  background: var(--tn-bg-hover);
  color: var(--tn-accent);
}

.post-count {
  background: var(--tn-accent-glow);
  color: var(--tn-accent);
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: var(--tn-radius-full);
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--tn-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--tn-space-xs);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--tn-border);
  color: var(--tn-text-muted);
  width: 36px;
  height: 36px;
  border-radius: var(--tn-radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--tn-transition);
}

.theme-toggle:hover {
  border-color: var(--tn-accent);
  color: var(--tn-accent);
}

/* --- Hero Section --- */
.hero {
  padding: var(--tn-space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--tn-gradient-subtle);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: var(--tn-space-md);
}

.hero .tagline {
  font-size: 1.15rem;
  color: var(--tn-text-muted);
  max-width: 600px;
  margin: 0 auto var(--tn-space-xl);
}

/* --- Page Sections --- */
.page-section {
  padding: var(--tn-space-2xl) 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--tn-space-xl);
  flex-wrap: wrap;
  gap: var(--tn-space-md);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  border-radius: var(--tn-radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--tn-transition);
  line-height: 1.4;
}

.btn-primary {
  background: var(--tn-accent);
  color: #000;
  border-color: var(--tn-accent);
}

.btn-primary:hover {
  background: var(--tn-accent-hover);
  color: #000;
}

.btn-secondary {
  background: transparent;
  color: var(--tn-text);
  border-color: var(--tn-border);
}

.btn-secondary:hover {
  border-color: var(--tn-accent);
  color: var(--tn-accent);
}

.btn-danger {
  background: transparent;
  color: var(--tn-danger);
  border-color: var(--tn-danger);
}

.btn-danger:hover {
  background: var(--tn-danger);
  color: #fff;
}

.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.78rem; }
.btn-lg { padding: 0.8rem 1.8rem; font-size: 1rem; }

/* --- Cards --- */
.card {
  background: var(--tn-bg-card);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-lg);
  padding: var(--tn-space-xl);
  transition: all var(--tn-transition);
}

.card:hover {
  border-color: var(--tn-accent-dim);
  box-shadow: 0 0 20px var(--tn-accent-glow);
  transform: translateY(-2px);
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-link:hover { color: inherit; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--tn-space-xl);
}

/* --- Card Image --- */
.card-image {
  margin: calc(-1 * var(--tn-space-xl)) calc(-1 * var(--tn-space-xl)) var(--tn-space-lg);
  overflow: hidden;
  border-radius: var(--tn-radius-lg) var(--tn-radius-lg) 0 0;
  aspect-ratio: 16 / 9;
  background: var(--tn-bg-alt);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--tn-transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.03);
}

/* --- Post Featured Image --- */
.post-featured-image {
  margin-bottom: var(--tn-space-2xl);
  border-radius: var(--tn-radius-lg);
  overflow: hidden;
  border: 1px solid var(--tn-border);
}

.post-featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

.card .card-meta {
  display: flex;
  align-items: center;
  gap: var(--tn-space-sm);
  color: var(--tn-text-dim);
  font-size: 0.8rem;
  margin-bottom: var(--tn-space-sm);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--tn-space-sm);
  color: var(--tn-heading);
}

.card-excerpt {
  color: var(--tn-text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.card-footer {
  margin-top: var(--tn-space-md);
  padding: var(--tn-space-md) var(--tn-space-lg);
  border-top: 1px solid var(--tn-border);
  display: flex;
  gap: var(--tn-space-sm);
  flex-wrap: wrap;
}

/* --- Tags --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--tn-space-xs);
  padding: 0.2rem 0.6rem;
  background: var(--tn-accent-glow);
  color: var(--tn-accent);
  border-radius: var(--tn-radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--tn-transition);
}

.tag:hover, .tag.active {
  background: var(--tn-accent-glow-strong);
  color: var(--tn-accent-hover);
}

.tag-lg {
  padding: 0.4rem 1rem;
  font-size: 0.88rem;
}

.tag-count {
  font-size: 0.7em;
  opacity: 0.7;
}

.tag-cloud {
  display: flex;
  gap: var(--tn-space-sm);
  flex-wrap: wrap;
}

/* --- Blog Layout --- */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--tn-space-2xl);
  align-items: start;
}

.blog-sidebar {
  position: sticky;
  top: 80px;
}

.sidebar-section {
  margin-bottom: var(--tn-space-xl);
  padding: var(--tn-space-lg);
  background: var(--tn-bg-card);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-lg);
}

.sidebar-section h3 {
  font-size: 0.95rem;
  margin-bottom: var(--tn-space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tn-text-muted);
}

.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tn-space-sm);
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  margin-bottom: var(--tn-space-lg);
  font-size: 0.85rem;
}

.breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.breadcrumbs li::after {
  content: '/';
  margin-left: 0.4rem;
  color: var(--tn-text-muted);
  opacity: 0.5;
}

.breadcrumbs li:last-child::after {
  display: none;
}

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

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

.breadcrumbs [aria-current="page"] {
  color: var(--tn-text);
}

/* --- Post Content --- */
.post-header {
  margin-bottom: var(--tn-space-2xl);
}

.post-header h1 {
  margin-bottom: var(--tn-space-md);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--tn-space-sm);
  color: var(--tn-text-muted);
  font-size: 0.88rem;
  flex-wrap: wrap;
}

.post-meta address {
  display: inline;
  font-style: normal;
}

.post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--tn-text);
}

.post-content h2 {
  margin-top: var(--tn-space-2xl);
  margin-bottom: var(--tn-space-md);
}

.post-content h3 {
  margin-top: var(--tn-space-xl);
  margin-bottom: var(--tn-space-sm);
}

.post-content p {
  margin-bottom: var(--tn-space-md);
}

.post-content p:empty {
  min-height: 1.5em;
  margin-bottom: var(--tn-space-md);
}

.post-content p:empty::before {
  content: "\00a0";
}

.post-content ul, .post-content ol {
  margin-bottom: var(--tn-space-md);
  padding-left: var(--tn-space-xl);
}

.post-content li {
  margin-bottom: var(--tn-space-xs);
}

.post-content li a {
  color: var(--tn-accent);
  text-decoration: none;
  transition: color var(--tn-transition);
}

.post-content li a:hover {
  color: var(--tn-accent-bright);
  text-decoration: underline;
}

.post-content blockquote {
  border-left: 3px solid var(--tn-accent);
  padding: var(--tn-space-md) var(--tn-space-xl);
  margin: var(--tn-space-xl) 0;
  background: var(--tn-accent-glow);
  border-radius: 0 var(--tn-radius-md) var(--tn-radius-md) 0;
  font-style: italic;
  color: var(--tn-text-muted);
}

.post-content pre {
  background: var(--tn-bg-alt);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-md);
  padding: var(--tn-space-lg);
  overflow-x: auto;
  margin: var(--tn-space-xl) 0;
  font-family: var(--tn-font-mono);
  font-size: 0.88rem;
  line-height: 1.5;
}

.post-content code {
  font-family: var(--tn-font-mono);
  font-size: 0.88em;
  background: var(--tn-bg-alt);
  padding: 0.15em 0.4em;
  border-radius: var(--tn-radius-sm);
}

.post-content pre code {
  background: none;
  padding: 0;
}

.post-content img {
  border-radius: var(--tn-radius-md);
  border: 1px solid var(--tn-border);
  margin: var(--tn-space-md) 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--tn-space-xl) 0;
}

.post-content th, .post-content td {
  padding: var(--tn-space-sm) var(--tn-space-md);
  border: 1px solid var(--tn-border);
  text-align: left;
}

.post-content th {
  background: var(--tn-bg-alt);
  font-weight: 600;
}

/* --- Forms --- */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--tn-space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--tn-space-xs);
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tn-text-muted);
}

.form-control {
  padding: 0.6rem 0.8rem;
  background: var(--tn-bg-alt);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-md);
  color: var(--tn-text);
  font-family: var(--tn-font);
  font-size: 0.92rem;
  transition: border-color var(--tn-transition);
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--tn-accent);
  box-shadow: 0 0 0 3px var(--tn-accent-glow);
}

.form-row {
  display: flex;
  gap: var(--tn-space-lg);
  align-items: start;
}

.form-actions {
  display: flex;
  gap: var(--tn-space-md);
  padding-top: var(--tn-space-md);
}

.search-form {
  display: flex;
  gap: var(--tn-space-sm);
}

.search-form .form-control {
  flex: 1;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tn-space-md);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--tn-space-xs);
  font-size: 0.88rem;
  cursor: pointer;
}

/* --- Flash Messages --- */
.flash {
  padding: var(--tn-space-md) var(--tn-space-lg);
  border-radius: var(--tn-radius-md);
  margin-bottom: var(--tn-space-lg);
  font-size: 0.9rem;
}

.flash-success {
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid var(--tn-success);
  color: var(--tn-success);
}

.flash-error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid var(--tn-danger);
  color: var(--tn-danger);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--tn-space-md);
  margin-top: var(--tn-space-2xl);
}

.pagination-numbers {
  display: flex;
  gap: var(--tn-space-xs);
}

.pagination-numbers a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--tn-radius-md);
  font-size: 0.88rem;
  color: var(--tn-text-muted);
  border: 1px solid var(--tn-border);
  transition: all var(--tn-transition);
}

.pagination-numbers a:hover,
.pagination-numbers a.active {
  border-color: var(--tn-accent);
  color: var(--tn-accent);
  background: var(--tn-accent-glow);
}

.pagination-ellipsis {
  display: flex;
  align-items: center;
  padding: 0 var(--tn-space-xs);
  color: var(--tn-text-dim);
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--tn-space-3xl) var(--tn-space-xl);
  color: var(--tn-text-muted);
}

.empty-state h3 {
  color: var(--tn-text-muted);
  margin-bottom: var(--tn-space-md);
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--tn-border);
  padding: var(--tn-space-xl) 0;
  margin-top: var(--tn-space-2xl);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--tn-text-dim);
  flex-wrap: wrap;
  gap: var(--tn-space-md);
}

.footer-nav {
  display: flex;
  gap: var(--tn-space-lg);
}

.footer-nav a {
  color: var(--tn-text-dim);
  font-size: 0.82rem;
}

.footer-nav a:hover {
  color: var(--tn-accent);
}

/* --- Status Badges --- */
.status-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: var(--tn-radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-published {
  background: rgba(52, 211, 153, 0.15);
  color: var(--tn-success);
}

.status-draft {
  background: rgba(251, 191, 36, 0.15);
  color: var(--tn-warning);
}

/* --- Stats --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--tn-space-lg);
}

.stat-card {
  background: var(--tn-bg-card);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-lg);
  padding: var(--tn-space-xl);
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--tn-accent);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--tn-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Data Tables --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th, .data-table td {
  padding: var(--tn-space-sm) var(--tn-space-md);
  text-align: left;
  border-bottom: 1px solid var(--tn-border);
  font-size: 0.88rem;
}

.data-table th {
  font-weight: 600;
  color: var(--tn-text-muted);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.data-table tr:hover {
  background: var(--tn-bg-hover);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.25rem; }

  .nav-toggle { display: block; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--tn-bg);
    border-bottom: 1px solid var(--tn-border);
    padding: var(--tn-space-lg);
    gap: var(--tn-space-md);
  }

  .site-nav.open { display: flex; }

  .container {
    padding: 0 var(--tn-space-lg);
  }

  /* Mobile Dropdown Styles */
  .nav-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--tn-bg-alt);
    margin: var(--tn-space-sm) 0 0 0;
    padding-left: var(--tn-space-md);
  }

  /* Mobile Megamenu Styles */
  .nav-megamenu .nav-dropdown-menu {
    position: static;
    transform: none;
    min-width: auto;
    max-width: none;
    padding: 0;
    margin: var(--tn-space-sm) 0 0 0;
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .megamenu-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .megamenu-section {
    background: var(--tn-bg-card);
    border-radius: var(--tn-radius-md);
    padding: var(--tn-space-md);
    border: 1px solid var(--tn-border);
  }

  .megamenu-title {
    font-size: 10px;
    margin-bottom: var(--tn-space-sm);
    padding-bottom: var(--tn-space-xs);
    color: var(--tn-text-dim);
  }

  .megamenu-featured {
    gap: var(--tn-space-xs);
  }

  .megamenu-featured-item {
    padding: var(--tn-space-sm);
    background: var(--tn-bg-alt);
    border: 1px solid var(--tn-border);
  }

  .megamenu-featured-item:hover {
    background: var(--tn-bg-hover);
    border-color: var(--tn-accent);
  }

  .featured-content h4 {
    font-size: 13px;
    color: var(--tn-heading);
  }

  .featured-content p {
    font-size: 11px;
    color: var(--tn-text-muted);
  }

  .nav-dropdown-toggle::after {
    content: '+';
    font-size: 1rem;
  }

  .nav-dropdown-toggle.active::after {
    transform: rotate(45deg);
  }

  .blog-layout {
    grid-template-columns: 1fr;
  }

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

  .form-row {
    flex-direction: column;
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.35rem; }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--tn-space-md);
  }

  .megamenu-section {
    background: var(--tn-bg-card);
    border-radius: var(--tn-radius-md);
    padding: var(--tn-space-md);
    border: 1px solid var(--tn-border);
  }

  .hero h1 { font-size: 1.75rem; }
  .hero .tagline { font-size: 0.95rem; }
}

/* --- Author Avatar --- */
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--tn-radius-full);
  object-fit: cover;
  border: 2px solid var(--tn-border);
  flex-shrink: 0;
}

.author-avatar-lg {
  width: 80px;
  height: 80px;
  border-radius: var(--tn-radius-full);
  object-fit: cover;
  border: 3px solid var(--tn-border);
  flex-shrink: 0;
}

.author-avatar-xl {
  width: 120px;
  height: 120px;
  border-radius: var(--tn-radius-full);
  object-fit: cover;
  border: 3px solid transparent;
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-image: linear-gradient(var(--tn-bg-card), var(--tn-bg-card)), var(--tn-gradient);
  flex-shrink: 0;
}

.post-author {
  display: flex;
  align-items: center;
  gap: var(--tn-space-md);
}

.post-author-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sidebar-about {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--tn-space-md);
}

.about-hero {
  display: flex;
  align-items: center;
  gap: var(--tn-space-xl);
  margin-bottom: var(--tn-space-xl);
}

@media (max-width: 480px) {
  .about-hero {
    flex-direction: column;
    text-align: center;
  }
}

/* --- Comments --- */
.comments-section {
  margin-top: var(--tn-space-2xl);
  padding-top: var(--tn-space-2xl);
  border-top: 1px solid var(--tn-border);
}

.comments-section h2 {
  margin-bottom: var(--tn-space-xl);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--tn-heading);
  display: flex;
  align-items: baseline;
  gap: var(--tn-space-sm);
}

.comment-count {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--tn-text-muted);
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: var(--tn-space-lg);
  margin-bottom: var(--tn-space-2xl);
}

.comment {
  background: var(--tn-bg-card);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-lg);
  padding: var(--tn-space-xl);
  display: flex;
  gap: var(--tn-space-lg);
  transition: all var(--tn-transition);
}

.comment:hover {
  border-color: var(--tn-border-light);
  box-shadow: 0 0 20px var(--tn-accent-glow);
}

.comment-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--tn-radius-full);
  background: var(--tn-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  text-transform: uppercase;
  border: 2px solid var(--tn-border);
}

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

.comment-header {
  display: flex;
  align-items: baseline;
  gap: var(--tn-space-md);
  margin-bottom: var(--tn-space-md);
  flex-wrap: wrap;
  border-bottom: 1px solid var(--tn-border);
  padding-bottom: var(--tn-space-sm);
}

.comment-author {
  font-weight: 700;
  color: var(--tn-heading);
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.comment-date {
  font-size: 0.78rem;
  color: var(--tn-text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comment-content {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--tn-text);
  font-family: var(--tn-font);
}

.comment-content p {
  margin-bottom: var(--tn-space-md);
}

.comment-content p:last-child {
  margin-bottom: 0;
}

.comment-form {
  background: var(--tn-bg-card);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-lg);
  padding: var(--tn-space-xl);
  margin-top: var(--tn-space-xl);
}

.comment-form h3 {
  margin-bottom: var(--tn-space-lg);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--tn-heading);
}

.comment-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--tn-space-md);
}

/* Comment form enhancements */
.comment-form .form-group label {
  font-weight: 600;
  color: var(--tn-text-muted);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  margin-bottom: var(--tn-space-xs);
}

.comment-form .form-control {
  background: var(--tn-bg-alt);
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius-md);
  padding: var(--tn-space-sm) var(--tn-space-md);
  font-family: var(--tn-font);
  font-size: 0.92rem;
  transition: all var(--tn-transition);
}

.comment-form .form-control:focus {
  border-color: var(--tn-accent);
  box-shadow: 0 0 0 3px var(--tn-accent-glow);
  outline: none;
}

.comment-form textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.comment-form .btn-primary {
  background: var(--tn-accent);
  color: #000;
  border: 1px solid var(--tn-accent);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: var(--tn-space-sm) var(--tn-space-xl);
}

.comment-form .btn-primary:hover {
  background: var(--tn-accent-hover);
  border-color: var(--tn-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--tn-accent-glow-strong);
}

@media (max-width: 768px) {
  .comment {
    flex-direction: column;
    gap: var(--tn-space-md);
    padding: var(--tn-space-lg);
  }

  .comment-avatar {
    align-self: flex-start;
    margin-bottom: var(--tn-space-sm);
  }

  .comment-header {
    margin-bottom: var(--tn-space-sm);
  }
}

@media (max-width: 480px) {
  .comment-form-row {
    grid-template-columns: 1fr;
  }

  .comment-avatar {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .comments-section h2 {
    font-size: 1.25rem;
  }

  .comment {
    padding: var(--tn-space-md);
  }
}

/* --- Separator --- */
.separator {
  color: var(--tn-text-dim);
}