/*
Theme Name: LaoDaD AI
Theme URI: https://laodad.com
Author: 老达
Author URI: https://laodad.com
Description: 专为老达博客打造的简洁浅色WordPress主题，轻量高效、SEO友好、安全无后门。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: laodad-ai
Tags: ai, technology, blog, two-columns, right-sidebar, custom-menu, featured-images, threaded-comments
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
*/

/* ============================================
   CSS Variables — 未来科技风配色
   ============================================ */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #7c3aed;
  --accent-light: #8b5cf6;
  --bg-dark: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-body: #f1f5f9;
  --text-main: #334155;
  --text-muted: #64748b;
  --text-heading: #0f172a;
  --border-color: #e2e8f0;
  --border-glow: rgba(37, 99, 235, 0.15);
  --gradient-primary: linear-gradient(135deg, #2563eb, #7c3aed);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.08);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.05);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --max-width: 1200px;
  --sidebar-width: 320px;
  --gap: 24px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.75;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-light); }

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

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.6em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p { margin-bottom: 1.2em; }

ul, ol { padding-left: 1.5em; margin-bottom: 1.2em; }

blockquote {
  border-left: 3px solid var(--primary);
  padding: 1em 1.5em;
  margin: 1.5em 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-style: italic;
}

code {
  font-family: var(--font-mono);
  background: var(--bg-card);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--primary);
}

pre {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.2em;
  overflow-x: auto;
  margin-bottom: 1.5em;
}

pre code {
  background: none;
  padding: 0;
  color: var(--text-main);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5em;
}

th, td {
  padding: 0.75em 1em;
  border: 1px solid var(--border-color);
  text-align: left;
}

th {
  background: var(--bg-card);
  color: var(--primary);
  font-weight: 600;
}

/* ============================================
   Grid Background Animation (subtle)
   ============================================ */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 10%, rgba(37, 99, 235, 0.04), transparent),
    radial-gradient(ellipse 500px 300px at 80% 80%, rgba(124, 58, 237, 0.04), transparent);
  pointer-events: none;
  z-index: -1;
}

/* ============================================
   Layout
   ============================================ */
.site-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
}

.content-area {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--gap);
  padding-top: var(--gap);
  padding-bottom: 32px;
  align-items: start;
}

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

/* ============================================
   Header
   ============================================ */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
}

.site-brand .site-logo {
  height: 36px !important;
  width: auto !important;
  max-width: 200px !important;
  max-height: 36px !important;
  flex-shrink: 0;
  border-radius: 6px;
  object-fit: contain;
}

.site-brand .brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.site-brand .brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}
.site-brand .brand-tagline {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Navigation */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  padding: 0;
  margin: 0;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.main-nav a:hover,
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.07);
}

/* Sub-menu */
.main-nav .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  min-width: 180px;
  padding: 6px;
  box-shadow: var(--shadow-card);
  z-index: 100;
}

.main-nav li:hover > .sub-menu { display: block; }
.main-nav .sub-menu li { position: relative; }
.main-nav .sub-menu a { padding: 8px 14px; font-size: 0.85rem; }

/* Mobile toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 16px 0;
}
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--primary); }
.breadcrumbs .sep { margin: 0 8px; opacity: 0.4; }

/* ============================================
   Cards & Post Grid
   ============================================ */
.post-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.post-card .card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-card);
}

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

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

.post-card .card-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(37, 99, 235, 0.9);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

.post-card .card-body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card .card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
  color: var(--text-heading);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card .card-title a { color: inherit; }
.post-card .card-title a:hover { color: var(--primary); }

.post-card .card-excerpt {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  flex: 1;
}

.post-card .card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  align-items: center;
  opacity: 0.7;
}

.post-card .card-meta svg { width: 14px; height: 14px; margin-right: 4px; vertical-align: -2px; }

/* Post Grid */
.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

/* Featured Slider */
.featured-slider {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.slider-track {
  position: relative;
  width: 100%;
  aspect-ratio: 2.4 / 1;
  min-height: 280px;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.slide-thumb {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}

.slide-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg-card-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 3rem;
  font-weight: 900;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 11, 24, 0.92) 0%, rgba(6, 11, 24, 0.4) 50%, transparent 100%);
}

.slide-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 32px;
  z-index: 2;
}

.slide-cat {
  display: inline-block;
  background: rgba(37, 99, 235, 0.9);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.slide-title {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 8px;
  color: #fff;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.slide-title a { color: inherit; }
.slide-title a:hover { color: var(--primary); }

.slide-excerpt {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
  max-width: 70%;
}

.slide-meta {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  gap: 16px;
}

/* Slider buttons */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-btn:hover {
  background: rgba(37, 99, 235, 0.85);
}

.slider-prev { left: 14px; }
.slider-next { right: 14px; }

/* Slider dots */
.slider-dots {
  position: absolute;
  bottom: 14px;
  right: 32px;
  z-index: 3;
  display: flex;
  gap: 8px;
}

.slider-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all var(--transition);
}

.slider-dots .dot.active {
  background: var(--primary);
  width: 22px;
  border-radius: 4px;
}

/* Post Grid Column Options */
.post-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.post-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.post-grid.cols-3 .card-title { font-size: 0.95rem; }
.post-grid.cols-3 .card-excerpt { -webkit-line-clamp: 2; font-size: 0.82rem; }
.post-grid.cols-3 .card-body { padding: 14px 16px 16px; }

/* Category section */
.category-section {
  margin-bottom: 40px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-more {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.section-more:hover { color: var(--primary); }

/* ============================================
   Single Post
   ============================================ */
.single-post-header {
  padding: 32px 0 24px;
}

.single-post-header .post-category {
  display: inline-block;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.single-post-header h1 {
  font-size: 1.85rem;
  line-height: 1.35;
  margin-bottom: 16px;
}

.post-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  align-items: center;
}

.post-meta-bar svg { width: 15px; height: 15px; margin-right: 5px; vertical-align: -2px; opacity: 0.6; }

.post-content-wrap {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px 40px;
  max-width: 100%;
  overflow: hidden;
}

.post-content h2 {
  margin-top: 2em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--border-color);
}

.post-content h3 { margin-top: 1.6em; }

.post-content img {
  border-radius: var(--radius-sm);
  margin: 1.5em 0;
  max-width: 100%;
  height: auto;
}

.post-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.post-content a:hover { color: var(--accent-light); }

/* Post Tags */
.post-tags {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.post-tags a {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.8rem;
  background: rgba(124, 58, 237, 0.1);
  color: var(--accent-light);
  border-radius: 20px;
  transition: all var(--transition);
}

.post-tags a:hover {
  background: rgba(124, 58, 237, 0.2);
  color: #fff;
}

/* Featured Image Size Constraint */
.post-featured-img {
  max-width: 100%;
  overflow: hidden;
  text-align: center;
}

/* Ad Slots */
.ad-slot {
  margin: 20px 0;
  text-align: center;
  overflow: hidden;
  clear: both;
}

.ad-slot:empty { display: none; }

.ad-before_content { margin-bottom: 24px; }
.ad-after_content { margin-top: 24px; }
.ad-after_comments { margin-top: 32px; }

.ad-sidebar {
  margin: 0;
  text-align: center;
}

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

.ad-slot iframe {
  max-width: 100%;
}

.post-featured-img img {
  display: block;
  max-width: 100%;
  width: auto;
  height: auto;
  max-height: 500px;
  object-fit: contain;
  border-radius: var(--radius);
  margin: 0 auto;
}

/* Author Box */
.author-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-top: 32px;
}

.author-box .author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid var(--primary);
}

.author-box .author-name { font-weight: 700; color: var(--text-heading); margin-bottom: 6px; }
.author-box .author-bio { font-size: 0.88rem; color: var(--text-muted); }

/* Related Posts */
.related-posts {
  margin-top: 40px;
}

.related-posts .post-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* Post Navigation */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  margin-top: 32px;
}

.post-navigation a {
  display: block;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.post-navigation a:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: var(--shadow-glow);
}

.post-navigation .nav-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.post-navigation .nav-title {
  font-size: 0.92rem;
  color: var(--text-heading);
  font-weight: 600;
}

/* ============================================
   Sidebar
   ============================================ */
.site-sidebar {
  position: sticky;
  top: 92px;
}

.widget {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: var(--gap);
}

.widget-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget-title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 16px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

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

.widget li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  font-size: 0.88rem;
}

.widget li:last-child { border-bottom: none; }
.widget li a { color: var(--text-muted); }
.widget li a:hover { color: var(--primary); }

/* Recent posts widget */
.recent-post-item {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.recent-post-item:last-child { border-bottom: none; }

.recent-post-item .rp-thumb {
  width: 72px;
  height: 54px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-dark);
}

.recent-post-item .rp-thumb img { width: 100%; height: 100%; object-fit: cover; }

.recent-post-item .rp-title {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-main);
}

.recent-post-item .rp-title:hover { color: var(--primary); }
.recent-post-item .rp-date { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

/* Recent Comments widget */
.rc-item {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  align-items: flex-start;
  color: var(--text-muted);
}

.rc-item:last-child { border-bottom: none; }
.rc-item:hover { color: var(--primary); }

.rc-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

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

.rc-author {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 2px;
}

.rc-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.rc-post {
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.6;
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* About widget */
.widget-about .about-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  margin-bottom: 14px;
}
.widget-about .about-name { font-size: 1.05rem; font-weight: 700; color: var(--text-heading); margin-bottom: 8px; }
.widget-about .about-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }

/* Category list */
.cat-list a {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  color: var(--text-muted);
  font-size: 0.88rem;
}
.cat-list a:last-child { border-bottom: none; }
.cat-list a:hover { color: var(--primary); }
.cat-list .count {
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
  font-size: 0.75rem;
  padding: 1px 8px;
  border-radius: 10px;
}

/* ============================================
   Comments
   ============================================ */
.comments-area {
  margin-top: 40px;
}

.comments-area .comments-title {
  font-size: 1.1rem;
  margin-bottom: 24px;
}

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

.comment-list .comment {
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.comment-list .children { margin-left: 32px; margin-top: 16px; }

.comment-author img { border-radius: 50%; margin-right: 12px; float: left; }

.comment-meta { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 10px; }

.comment-respond {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 28px;
}

.comment-respond label { display: block; font-size: 0.88rem; color: var(--text-muted); margin-bottom: 6px; }

.comment-respond input[type="text"],
.comment-respond input[type="email"],
.comment-respond input[type="url"],
.comment-respond textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  margin-bottom: 14px;
}

.comment-respond input:focus,
.comment-respond textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.10);
}

.comment-respond .submit {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition);
}

.comment-respond .submit:hover { opacity: 0.9; }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  margin-top: 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px var(--gap);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a { color: var(--text-muted); font-size: 0.82rem; }
.footer-links a:hover { color: var(--primary); }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 900;
}

.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { border-color: var(--primary); box-shadow: 0 4px 16px rgba(37, 99, 235, 0.15); }

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 40px;
}

.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: all var(--transition);
}

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

.pagination .current {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

/* ============================================
   Search Form
   ============================================ */
.search-form {
  display: flex;
  gap: 8px;
}

.search-form .search-field {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9rem;
}

.search-form .search-field:focus {
  outline: none;
  border-color: var(--primary);
}

.search-form .search-submit {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
}

/* ============================================
   Archive / Category Header
   ============================================ */
.archive-header {
  padding: 32px 0 24px;
}

.archive-header h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.archive-header .archive-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ============================================
   404
   ============================================ */
.error-404 {
  text-align: center;
  padding: 80px 20px;
}

.error-404 .error-code {
  font-size: 6rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.error-404 p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 32px; }

/* ============================================
   WordPress Alignment & Gallery
   ============================================ */
.alignleft { float: left; margin: 0 1.5em 1em 0; }
.alignright { float: right; margin: 0 0 1em 1.5em; }
.aligncenter { display: block; margin: 1.5em auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 0.82rem; color: var(--text-muted); text-align: center; padding: 8px 0; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 1.5em; }
.gallery-item { margin: 0; }
.gallery-item img { border-radius: 6px; }

/* Screen Reader Text */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  word-wrap: normal !important;
}

/* ============================================
   WordPress Admin Bar Fix
   ============================================ */
body.admin-bar .site-header {
  top: 32px;
}

@media screen and (max-width: 782px) {
  body.admin-bar .site-header {
    top: 46px;
  }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .content-area {
    grid-template-columns: 1fr;
  }

  .site-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap);
  }

  .related-posts .post-grid { grid-template-columns: repeat(2, 1fr); }
  .post-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --gap: 16px;
  }

  .header-inner { height: 56px; }

  .menu-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 12px;
  }

  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
  .main-nav .sub-menu { position: static; box-shadow: none; border: none; padding-left: 20px; }
  .main-nav li:hover > .sub-menu { display: block; }

  .post-grid { grid-template-columns: 1fr; }
  .post-grid.cols-2,
  .post-grid.cols-3 { grid-template-columns: 1fr; }

  .slider-track { aspect-ratio: 16/9; min-height: 220px; }
  .slide-content { padding: 18px 20px; }
  .slide-title { font-size: 1.1rem; }
  .slide-excerpt { display: none; }
  .slider-btn { width: 32px; height: 32px; font-size: 0.9rem; }

  .site-sidebar { grid-template-columns: 1fr; }

  .post-content-wrap { padding: 24px 20px; }
  .single-post-header h1 { font-size: 1.45rem; }

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

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

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

/* ============================================
   Friendly Links Bar
   ============================================ */
.friendly-links-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  max-width: var(--max-width);
  margin: 0 auto 12px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.fl-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-heading);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 6px;
  letter-spacing: 0.02em;
}

.fl-label::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--gradient-primary);
  border-radius: 2px;
  flex-shrink: 0;
}

.fl-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.fl-list li a {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  transition: all var(--transition);
  white-space: nowrap;
}

.fl-list li a:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(37, 99, 235, 0.05);
}

@media (max-width: 768px) {
  .friendly-links-bar {
    padding: 10px 14px;
    gap: 8px;
  }
}