/* CSS Design System for AI-Addict Blog */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Thai:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Define Variables for Light and Dark Modes */
:root {
  --font-sans: 'Noto Sans Thai', sans-serif;
  --font-heading: 'Noto Sans Thai', sans-serif;
  
  /* Shared values */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --max-width: 1280px;

  /* Theme: Light (Default) */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-hover: rgba(255, 255, 255, 1);
  --border-color: rgba(15, 23, 42, 0.08);
  --border-color-hover: rgba(15, 23, 42, 0.15);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-purple: #7c3aed;
  --accent-cyan: #0891b2;
  --accent-gradient: linear-gradient(135deg, #7c3aed, #0891b2);
  --accent-glow: 0 0 20px rgba(124, 58, 237, 0.1);
  --card-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
  --nav-bg: rgba(248, 250, 252, 0.8);
  --input-bg: rgba(15, 23, 42, 0.04);
}

[data-theme="dark"] {
  /* Theme: Dark */
  --bg-primary: #030014;
  --bg-secondary: #08051e;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.16);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-gradient: linear-gradient(135deg, #8b5cf6, #06b6d4);
  --accent-glow: 0 0 20px rgba(139, 92, 246, 0.15);
  --card-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  --nav-bg: rgba(3, 0, 20, 0.7);
  --input-bg: rgba(255, 255, 255, 0.05);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  padding-top: 76px; /* Space for fixed navbar */
}

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

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* App Shell Layout */
.app-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: -1px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: pointer;
  user-select: none;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  display: inline-block;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.icon-btn {
  background: none;
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-color-hover);
  background-color: var(--surface);
  transform: translateY(-2px);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: none;
}

/* Main Layout Grid */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  margin-top: 40px;
  margin-bottom: 60px;
}

/* Hero Section (iphonemod Highlight Style) */
.hero-highlights {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 240px 240px;
  gap: 20px;
  margin-top: 32px;
  margin-bottom: 40px;
}

.hero-card {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.hero-card.large {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}

.hero-card.small-1 {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.hero-card.small-2 {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

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

.hero-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(3, 0, 20, 0.95) 0%, rgba(3, 0, 20, 0.4) 50%, rgba(3, 0, 20, 0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

[data-theme="light"] .hero-card-overlay {
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.4) 50%, rgba(15, 23, 42, 0.1) 100%);
}

.hero-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-purple);
  box-shadow: var(--accent-glow);
}

.hero-card:hover .hero-card-img {
  transform: scale(1.05);
}

.category-tag {
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  align-self: flex-start;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.hero-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 8px;
}

.hero-card.large .hero-card-title {
  font-size: 1.8rem;
}

.hero-card.small-1 .hero-card-title,
.hero-card.small-2 .hero-card-title {
  font-size: 1.15rem;
}

.post-meta-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Section Header styling */
.section-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::after {
  content: '';
  flex-grow: 1;
  height: 1px;
  background: var(--border-color);
}

.section-title span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Article Cards & Feed */
.articles-feed {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.post-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.post-card:hover::before {
  opacity: 1;
}

.post-card-img-wrapper {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  height: 160px;
}

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

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

.post-card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.post-card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.post-card:hover .post-card-title {
  color: var(--accent-purple);
}

.post-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.post-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.post-meta svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* Sidebar Styling */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-widget {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px;
  transition: border-color var(--transition-normal);
}

.widget-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget-title::after {
  content: '';
  flex-grow: 1;
  height: 1px;
  background: var(--border-color);
}

/* Search widget */
.search-form {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 12px 16px;
  padding-right: 48px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.15);
}

.search-submit-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.search-submit-btn:hover {
  color: var(--text-primary);
}

.search-submit-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Sidebar Lists (Popular Articles) */
.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
}

.sidebar-list-item {
  display: flex;
  gap: 12px;
  align-items: center;
  cursor: pointer;
}

.sidebar-item-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-muted);
  width: 30px;
  opacity: 0.5;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.sidebar-list-item:hover .sidebar-item-num {
  color: var(--accent-cyan);
  opacity: 1;
}

.sidebar-item-content {
  flex: 1;
}

.sidebar-item-title {
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.sidebar-list-item:hover .sidebar-item-title {
  color: var(--accent-purple);
}

.sidebar-item-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Tag Cloud Widget */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-badge {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag-badge:hover, .tag-badge.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  transform: scale(1.05);
}

/* Newsletter Widget */
.newsletter-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  text-align: center;
  box-shadow: var(--accent-glow);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Article Detail View Container */
.article-detail-container {
  display: none;
  animation: fadeIn 0.4s ease;
}

.article-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 24px;
  transition: color var(--transition-fast);
}

.article-back-btn:hover {
  color: var(--accent-purple);
}

.article-back-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.article-header {
  margin-bottom: 32px;
}

.article-category {
  display: inline-block;
  margin-bottom: 16px;
}

.article-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.article-author-card {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  font-family: var(--font-heading);
}

.author-info-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.author-info-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-featured-img-wrapper {
  width: 100%;
  height: 480px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.article-featured-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-body-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.article-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Beautiful Article Typography styling */
.article-content p {
  margin-bottom: 24px;
}

.article-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 32px auto;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 40px;
  margin-bottom: 20px;
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 16px;
}

.article-content blockquote {
  border-left: 4px solid var(--accent-purple);
  background: var(--surface);
  padding: 20px 24px;
  margin: 32px 0;
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  font-style: italic;
  font-size: 1.15rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin: 32px 0;
  font-family: monospace;
  font-size: 0.95rem;
}

.article-content code {
  font-family: monospace;
  background: var(--input-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent-purple);
}

.article-content pre code {
  color: var(--text-primary);
  background: none;
  padding: 0;
}

/* Related articles section at bottom of detail */
.related-articles {
  margin-top: 60px;
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  box-shadow: var(--card-shadow);
}

.related-card-img-wrapper {
  height: 150px;
  overflow: hidden;
}

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

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

.related-card-content {
  padding: 16px;
}

.related-card-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card:hover .related-card-title {
  color: var(--accent-purple);
}

/* Reading Progress Bar */
.progress-container {
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 999;
}

.progress-bar {
  height: 100%;
  background: var(--accent-gradient);
  width: 0%;
  transition: width 0.1s ease;
}

/* Footer Styling */
footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px 0;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-info-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.8rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  display: inline-block;
}

.footer-info-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
  max-width: 400px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--accent-purple);
  padding-left: 4px;
}

.footer-link {
  transition: all var(--transition-fast);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Bookmarks Panel (Slide out overlay) */
.bookmarks-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: 1100;
  padding: 30px;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
}

.bookmarks-panel.open {
  right: 0;
}

.bookmarks-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.bookmarks-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
}

.bookmarks-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
}

.bookmarks-close-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.bookmarks-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
}

.bookmark-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.bookmark-item:hover {
  background: var(--surface-hover);
  border-color: var(--border-color-hover);
}

.bookmark-item-img {
  width: 80px;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
}

.bookmark-item-title {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bookmark-remove-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition-fast);
}

.bookmark-remove-btn:hover {
  color: #ef4444;
}

.bookmark-remove-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.bookmarks-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-muted);
  font-size: 0.9rem;
  gap: 12px;
}

.bookmarks-empty svg {
  width: 40px;
  height: 40px;
  fill: currentColor;
  opacity: 0.5;
}

/* Panel Overlay */
.panel-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 0, 20, 0.6);
  z-index: 1050;
  display: none;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}

.panel-overlay.open {
  display: block;
}

/* Floating Share and Bookmark action buttons inside article detail */
.floating-actions {
  position: absolute;
  top: 24px;
  right: 24px;
  display: flex;
  gap: 12px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes skeletonGlow {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-highlights {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 280px 200px;
  }
  
  .hero-card.large {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
  }
  
  .hero-card.small-1 {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
  }
  
  .hero-card.small-2 {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
  }

  .related-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .related-card:last-child {
    display: none;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 64px;
  }
  
  .nav-container {
    height: 64px;
  }
  
  .nav-menu {
    position: fixed;
    top: 64px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 64px);
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
    gap: 24px;
    transition: left var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero-highlights {
    grid-template-columns: 1fr;
    grid-template-rows: 280px 180px 180px;
  }
  
  .hero-card.large {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
  }
  
  .hero-card.small-1 {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
  }
  
  .hero-card.small-2 {
    grid-column: 1 / 2;
    grid-row: 3 / 4;
  }
  
  .post-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .post-card-img-wrapper {
    height: 180px;
  }
  
  .article-title {
    font-size: 1.8rem;
  }
  
  .article-featured-img-wrapper {
    height: 280px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .bookmarks-panel {
    width: 100%;
    right: -100%;
  }
}

/* --- Profile Logo Image --- */
.logo-img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-purple);
  box-shadow: var(--accent-glow);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px !important;
}

/* --- Admin Panel Layout & Components --- */
.admin-login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
  padding: 20px;
}

.admin-login-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  width: 100%;
  max-width: 450px;
  box-shadow: var(--card-shadow);
  text-align: center;
  animation: fadeIn 0.4s ease;
}

.admin-login-card h2 {
  font-family: var(--font-heading);
  margin-bottom: 16px;
  font-size: 1.8rem;
  font-weight: 700;
}

.admin-login-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* --- WordPress-Style Layout --- */
.admin-layout-wrapper {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  animation: fadeIn 0.4s ease;
  min-height: 70vh;
}

/* SaaS-style Admin Sidebar */
.admin-sidebar {
  background: linear-gradient(180deg, #09090b 0%, #18181b 100%);
  color: #f4f4f5;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
}

.admin-sidebar-header {
  padding: 0 24px 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 12px;
}

.admin-sidebar-item {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #a1a1aa;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  border-left: none;
}

.admin-sidebar-item svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.admin-sidebar-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.admin-sidebar-item.active {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-left: none;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* WP Main Content area */
.admin-main-content {
  background: var(--bg-primary);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  overflow-y: auto;
}

/* Tab contents controller */
.admin-tab-content {
  display: none;
}

.admin-tab-content.active {
  display: block;
}

.admin-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 12px;
}

.admin-title-desc h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.admin-title-desc p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.admin-stat-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-stat-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.admin-stat-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.admin-content-section {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px;
  box-shadow: var(--card-shadow);
}

.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.admin-section-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

/* Filters & Search controls inside Post Manager */
.admin-filters-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.admin-table-wrapper {
  width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.admin-table th, .admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.admin-table th {
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.admin-table tr:hover td {
  background-color: var(--surface-hover);
}

.admin-table-title-cell {
  font-weight: 600;
  color: var(--text-primary);
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-btn-group {
  display: flex;
  gap: 6px;
}

.btn-secondary {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-color-hover);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: #ef4444;
  padding: 8px 14px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-danger:hover {
  background: #ef4444;
  color: #fff;
  border-color: transparent;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* Modal styling */
.admin-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 0, 20, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}

.admin-modal-overlay.open {
  display: flex;
}

.admin-modal {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 850px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
}

.admin-modal-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-modal-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.admin-modal-body {
  padding: 24px 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-group.full-width {
  grid-column: 1 / 3;
}

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

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 5px;
}

.form-checkbox {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-purple);
  cursor: pointer;
}

.admin-modal-footer {
  padding: 20px 28px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* File Upload Area */
.file-upload-container {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--input-bg);
}

.file-upload-container:hover {
  border-color: var(--accent-purple);
  background: var(--surface-hover);
}

.file-upload-icon {
  width: 30px;
  height: 30px;
  fill: var(--text-muted);
  margin-bottom: 8px;
  display: inline-block;
}

.file-upload-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.file-upload-preview {
  margin-top: 10px;
  max-height: 100px;
  border-radius: 4px;
  object-fit: cover;
  display: none;
}

/* Key copy block */
.key-display-block {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 12px 20px;
  border-radius: var(--border-radius-sm);
  font-family: monospace;
  font-size: 0.95rem;
  margin-top: 8px;
  word-break: break-all;
  user-select: all;
  color: var(--accent-cyan);
}

/* --- Quill WYSIWYG Editor Styling Overrides --- */
#editor-container {
  min-height: 250px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.ql-toolbar.ql-snow {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color) !important;
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

.ql-snow .ql-stroke {
  stroke: var(--text-secondary) !important;
}

.ql-snow .ql-fill {
  fill: var(--text-secondary) !important;
}

.ql-snow .ql-picker {
  color: var(--text-secondary) !important;
}

.ql-snow .ql-picker-options {
  background-color: var(--bg-primary) !important;
  border-color: var(--border-color) !important;
}

.ql-snow .ql-picker-item:hover, .ql-snow .ql-picker-item.ql-selected {
  color: var(--accent-purple) !important;
}

.ql-editor {
  min-height: 250px;
}

.ql-editor.ql-blank::before {
  color: var(--text-muted) !important;
  font-style: normal !important;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .admin-layout-wrapper {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    padding: 16px 0;
    flex-direction: row;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 10px;
  }
  .admin-sidebar-header {
    width: 100%;
    text-align: center;
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 10px;
  }
  .admin-sidebar-menu {
    flex-direction: row;
    width: 100%;
    justify-content: space-around;
  }
  .admin-sidebar-item {
    padding: 8px 16px;
    border-left: none;
    border-bottom: 3px solid transparent;
  }
  .admin-sidebar-item.active {
    border-left-color: transparent;
    border-bottom-color: var(--accent-purple);
  }
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: 1 / 2;
  }
  .admin-modal {
    max-height: 95vh;
  }
  .admin-modal-body {
    padding: 20px;
  }
}

/* --- Cookie Consent (PDPA) Banner Styles --- */
.cookie-banner-wrapper {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
  z-index: 9999;
  display: none; /* Controlled by JS */
  animation: slideUpFade 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(10px);
}

@keyframes slideUpFade {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cookie-banner-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-banner-text h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.cookie-banner-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.cookie-banner-text a {
  color: var(--accent-cyan);
  text-decoration: underline;
  font-weight: 500;
}

.cookie-banner-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* Responsive banner layout for mobile */
@media (max-width: 768px) {
  .cookie-banner-wrapper {
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
  }
  .cookie-banner-content {
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 16px;
  }
  .cookie-banner-actions {
    flex-direction: column-reverse;
  }
  .cookie-banner-actions button {
    width: 100%;
  }
}

/* --- Professional SaaS Dashboard Components --- */

/* Analytics Row (Charts Layout) */
.admin-analytics-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-top: 12px;
}

@media (max-width: 1024px) {
  .admin-analytics-row {
    grid-template-columns: 1fr;
  }
}

.admin-chart-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 340px;
  position: relative;
  transition: border-color var(--transition-fast);
}

.admin-chart-card:hover {
  border-color: var(--border-color-hover);
}

.admin-chart-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
  margin: 0;
}

/* System Health Status Grid */
.system-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.system-status-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all var(--transition-fast);
}

.system-status-card:hover {
  border-color: var(--border-color-hover);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
}

.status-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.status-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.status-title {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-badge {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-badge.active {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.status-badge.inactive {
  background: #ef4444;
  box-shadow: 0 0 8px #ef4444;
}

.status-badge.warning {
  background: #f59e0b;
  box-shadow: 0 0 8px #f59e0b;
}

/* Recent Activity Log & Timeline */
.activity-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 10px;
}

.activity-item {
  display: flex;
  gap: 16px;
  position: relative;
}

.activity-item::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 32px;
  bottom: -24px;
  width: 2px;
  background: var(--border-color);
}

.activity-item:last-child::before {
  display: none;
}

.activity-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  z-index: 1;
  flex-shrink: 0;
}

.activity-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 4px;
}

.activity-text {
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.4;
}

.activity-text strong {
  color: var(--accent-cyan);
}

.activity-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Key display block settings page */
.key-display-block {
  font-family: monospace;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-top: 8px;
  word-break: break-all;
  display: inline-block;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.03);
}

/* Better table rows & styles */
.admin-table {
  border-spacing: 0;
  border-collapse: separate;
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.admin-table th {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 2px solid var(--border-color);
  padding: 16px 20px;
}

.admin-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--surface);
  transition: all var(--transition-fast);
}

.admin-table tr:hover td {
  background-color: var(--surface-hover) !important;
}

.admin-table tr:last-child td:first-child {
  border-bottom-left-radius: var(--border-radius-md);
}

.admin-table tr:last-child td:last-child {
  border-bottom-right-radius: var(--border-radius-md);
}

.admin-table-title-cell {
  font-weight: 600;
  color: var(--text-primary);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}