/* ============================================
  Alchemy Factory Guide - Component Styles
   Version: 1.0.0
   ============================================ */

/* ============================================
   Header & Navigation
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-lg);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
  line-height: 1;
}

.logo span {
  display: inline-flex;
  align-items: center;
}

.logo:hover {
  color: var(--accent-primary);
}

.logo-img {
  max-width: 120px;
  height: 32px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.logo-text {
  font-family: 'Cinzel Decorative', 'Montserrat', serif;
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: none;
  display: inline-flex;
  align-items: center;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  height: 100%;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  line-height: 1;
  height: 36px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-primary);
  background-color: var(--bg-card);
}

.nav-link.active {
  color: var(--accent-primary);
}

/* Header Search Box */
.header-search {
  flex: 1;
  max-width: 320px;
  margin: 0 var(--space-lg);
}

.header-search .search-box-compact {
  width: 100%;
}

.header-search .search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  padding-left: 36px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
}

.header-search .search-input:focus {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-primary);
}

.header-search .search-icon {
  left: 12px;
}

@media (max-width: 768px) {
  .header-search {
    display: none;
  }
}

/* Header Actions (Theme Toggle, Language, etc.) */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Language Switcher */
.lang-switch {
  position: relative;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0 var(--space-md);
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.35);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-toggle:hover,
.lang-switch.is-open .lang-toggle {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 140px;
  padding: var(--space-xs) 0;
  border-radius: var(--radius-lg);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  list-style: none;
  display: none;
  z-index: 1200;
}

.lang-switch.is-open .lang-menu {
  display: block;
}

.lang-option {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}

.lang-option:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.lang-option.is-active {
  color: var(--accent-primary);
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: 20px;
  height: 20px;
}

/* Hide icons based on theme */
[data-theme="dark"] .icon-moon,
:root:not([data-theme]) .icon-moon { display: none; }

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: rgba(9, 12, 20, 0.9);
    padding: var(--space-sm) var(--space-lg) var(--space-md);
    transform: translateX(-100%);
    opacity: 1;
    pointer-events: none;
    visibility: visible;
    transition: transform var(--transition-base);
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
  }
  
  .main-nav.is-open {
    transform: translateX(0);
    pointer-events: auto;
  }
  
  .nav-link {
    width: 100%;
    display: block;
    padding: var(--space-md);
    margin: 0;
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    background: transparent;
    color: var(--text-primary);
    height: auto;
    line-height: 1.4;
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link:hover,
  .nav-link.active {
    background: var(--bg-card);
    color: var(--accent-primary);
  }
  
  /* Hamburger Animation */
  .mobile-menu-toggle.is-open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.is-open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* ============================================
   Search Components
   ============================================ */

/* Search Box - Large (Homepage) */
.search-box-large {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-box-large .search-input {
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  padding-right: 60px;
  font-size: var(--font-size-lg);
  background-color: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.search-box-large .search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(191, 19, 19, 0.15);
}

.search-box-large .search-input::placeholder {
  color: var(--text-muted);
}

.search-box-large .search-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background-color: var(--accent-primary);
  border: none;
  border-radius: var(--radius-lg);
  color: var(--text-inverse);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-box-large .search-btn:hover {
  background-color: var(--accent-secondary);
}

/* Search Box - Compact (Header/Sidebar) */
.search-box-compact {
  position: relative;
}

.search-box-compact .search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  padding-left: 40px;
  font-size: var(--font-size-sm);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.search-box-compact .search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.search-box-compact .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Search Results Dropdown */
.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: var(--space-sm);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-height: 400px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.search-results.is-visible {
  display: block;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background-color: var(--bg-card-hover);
}

.search-result-item .result-icon {
  width: 40px;
  height: 40px;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.search-result-item .result-content {
  flex: 1;
  min-width: 0;
}

.search-result-item .result-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.search-result-item .result-category {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
}

.search-no-results {
  padding: var(--space-xl);
  text-align: center;
  color: var(--text-muted);
}

/* ============================================
   Cards
   ============================================ */

/* Base Card - Alchemy Factory style glass panels */
.card {
  position: relative;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 55%),
              radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.02), transparent 55%),
              rgba(5, 12, 32, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(18px);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  opacity: 0.8;
  pointer-events: none;
}

.card:hover {
  border-color: rgba(191, 19, 19, 0.8);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  transform: translateY(-4px);
}

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

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

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

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

.card-body {
  padding: var(--space-lg);
  position: relative;
}

.card-category {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


.card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-md);
}


.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}


/* Card Variations */
.card-horizontal {
  display: flex;
}

.card-horizontal .card-image {
  width: 200px;
  flex-shrink: 0;
  aspect-ratio: auto;
}

.card-horizontal .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Featured Card */
.card-featured {
  position: relative;
}

.card-featured .card-image {
  aspect-ratio: 21 / 9;
}

.card-featured .card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
  padding: var(--space-xl);
}

.card-featured .card-title {
  font-size: var(--font-size-2xl);
  color: #ffffff;
}

.card-featured .card-excerpt {
  color: rgba(255, 255, 255, 0.8);
}

/* Guides Grid */
.guides-grid {
  margin-top: var(--space-xl);
}

.guide-card .card-body {
  padding-bottom: calc(var(--space-lg) + 8px);
}

/* Module Entry Card (Homepage) */
.module-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  text-align: center;
  min-height: 160px;
}

.module-card .module-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--accent-primary);
}

.module-card .module-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.module-card .module-desc {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
}

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

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-light);
}

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

.btn-ghost:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-xs);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: var(--space-sm);
}

/* ============================================
   Tags / Badges
   ============================================ */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.tag:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
}

.tag-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
}

.tag-success { background-color: var(--color-success); color: #ffffff; }
.tag-warning { background-color: var(--color-warning); color: #000000; }
.tag-error { background-color: var(--color-error); color: #ffffff; }
.tag-info { background-color: var(--color-info); color: #ffffff; }

/* Tags Container */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ============================================
   Tables
   ============================================ */

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  background-color: var(--bg-secondary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  color: var(--text-secondary);
}

.table tbody tr:hover {
  background-color: var(--bg-card-hover);
}

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

/* ============================================
   Code Block (for Codes Page)
   ============================================ */

.code-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
}

.code-block code {
  font-size: var(--font-size-lg);
  color: var(--accent-primary);
  user-select: all;
}

.copy-btn {
  padding: var(--space-sm) var(--space-md);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

.copy-btn.copied {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: #ffffff;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-2xl) 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  justify-content: space-between;
}

.footer-section {
  min-width: 220px;
}

.footer-section--brand {
  flex: 1 1 260px;
  text-align: left;
}

.footer-section:not(.footer-section--brand) {
  text-align: right;
  margin-left: auto; /* 始终将右侧区块推到容器最右侧 */
}

@media (max-width: 640px) {
  .footer-inner {
    flex-direction: column;
    align-items: stretch;
  }
  
  .footer-section--brand {
    flex: 0 0 auto;
  }
  
  .footer-section:not(.footer-section--brand) {
    margin-left: 0;
    align-self: flex-end; /* 在小屏时也靠右对齐 */
  }
}

.footer-section h4 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.footer-socials {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.4);
  transition: all var(--transition-fast);
}

.footer-social:hover {
  color: #ffffff;
  border-color: var(--accent-primary);
  background: rgba(191, 19, 19, 0.28);
}

.footer-social-icon {
  width: 16px;
  height: 16px;
}

/* Footer logo: stronger rounding so it looks clearly rounded even with square asset */
.footer .logo-img {
  /* 与 Header 保持一致的尺寸与圆角 */
  width: auto;
  height: 32px;
  border-radius: var(--radius-md);
  object-fit: contain;
}

/* Footer logo: keep same rounded style as header logo */
.footer .logo-img {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* Light mode: footer text改为红色强调 */

/* ============================================
   Breadcrumb
   ============================================ */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.breadcrumb a {
  color: var(--text-secondary);
}

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

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

/* ============================================
   Sidebar
   ============================================ */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sidebar-widget {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.sidebar-widget-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

/* ============================================
   Hero Section (Homepage) - Two Column Layout
   ============================================ */

.hero {
  padding: var(--space-xl) 0;
  min-height: 75vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.hero-title {
  /* 放大 Hero 主标题字号，突出视觉层级 */
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}

.hero-title .accent {
  color: var(--accent-primary);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.hero-buttons .btn {
  gap: var(--space-sm);
}

/* Hero Info Bar */
.hero-info-bar {
  display: flex;
  gap: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

/* 让 Hero 与下方 Explore 区域之间多留一些呼吸空间 */
.hero + .section {
  margin-top: var(--space-lg);
}

/* ============================================
   Core Systems & Overview Section
   ============================================ */

.overview-section {
  padding: var(--space-2xl) 0;
}

.overview-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.overview-title {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.overview-subtitle {
  margin-top: var(--space-sm);
  color: var(--text-secondary);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: var(--space-xl);
  align-items: stretch; /* make both columns match height */
  margin-bottom: var(--space-2xl);
}

.overview-grid > div {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0; /* allow children to scroll/truncate properly */
}

.overview-column-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.overview-core-group,
.overview-stats-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: stretch;
  height: 100%;
}

.overview-card {
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.overview-card .card-body {
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.stat-card .card-body {
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}

.overview-icon {
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}

.overview-card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
  font-weight: 700;
  color: var(--text-primary);
}

.overview-card-text {
  font-size: var(--font-size-base);
  line-height: 1.6;
  margin-bottom: 0;
  color: var(--text-secondary);
}

.stat-card {
  position: relative;
}

.stat-card .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-xs);
  color: var(--text-primary);
}

.stat-card .stat-subtext {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid-2col {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .overview-column-title {
    font-size: var(--font-size-base);
  }
  
  .overview-card-title {
    font-size: var(--font-size-base);
  }
  
  .overview-card-text {
    font-size: var(--font-size-sm);
  }
  
  .stat-card .stat-number {
    font-size: 1.75rem;
  }
  
  .stat-card .stat-label {
    font-size: var(--font-size-xs);
  }
  
  .stat-card .stat-subtext {
    font-size: var(--font-size-xs);
  }
  
  .features-grid-2col {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .feature-card {
    padding: var(--space-md);
    min-height: 90px;
  }
  
  .feature-icon {
  display: block;
  width: 28px;
  height: 28px;
  margin: 0 auto;
  color: var(--accent-primary);
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;

/* Game Systems module card — layout fixes and prominent CTA */
.module-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  text-decoration: none;
  padding: 1.25rem;
  cursor: pointer;
}
.module-card .module-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  color: var(--accent-primary);
  display: block;
}
.module-card .card-body {
  display: flex;
  flex-direction: column;
}
.module-card .module-title {
  font-size: var(--font-size-xl);
  margin: 0 0 0.4rem 0;
  color: var(--text-primary);
}
.module-card .module-desc {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-muted);
}
.module-card .card-cta {
  margin-top: 0.75rem;
  align-self: flex-start;
  background: var(--accent-primary);
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}
.module-card.card-link {
  transition: transform .12s ease, box-shadow .12s ease;
}
.module-card.card-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.12);
}
.module-card .card-cta:hover {
  opacity: 0.95;
}

@media (max-width: 640px) {
  .module-card { gap: 0.75rem; padding: 1rem; }
  .module-card .module-icon { width: 40px; height: 40px; }
  .module-card .module-title { font-size: var(--font-size-lg); }
}

/* Small topic cards used in Game Systems section */
.small-topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.6rem;
}
.small-topic-card {
  display: block;
  background: var(--surface-2);
  border: 1px solid rgba(255,255,255,0.04);
  padding: 0.75rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-primary);
  transition: transform .12s ease, box-shadow .12s ease;
  align-items: center;
}
.small-topic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}
.small-topic-card .topic-title {
  font-size: var(--font-size-xl); /* make same prominence as CTA */
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}
.small-topic-card .topic-desc {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  margin-top: 0.25rem;
}
@media (max-width: 640px) {
  .small-topic-grid { grid-template-columns: 1fr; }
  .small-topic-card .topic-title { font-size: var(--font-size-lg); }
}
  flex-shrink: 0;
  }
  
  .feature-label {
    font-size: var(--font-size-xs);
  }
}

/* System Requirements */
.requirements-grid {
  align-items: stretch;
}

.requirements-grid > div {
  display: flex;
  flex-direction: column;
}

.requirements-card {
  padding: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.requirements-card .card-body {
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
}

.requirements-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.requirements-list li {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.requirements-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.req-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 100px;
  flex-shrink: 0;
}

.req-value {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.5;
  flex: 1;
}

@media (max-width: 768px) {
  .requirements-grid {
    grid-template-columns: 1fr;
  }
  
  .requirements-card .card-body {
    padding: var(--space-lg);
  }
}

/* Game Features Section */
.game-features-section {
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border-color);
}

.game-features-section .overview-column-title {
  margin-bottom: var(--space-lg);
}

.features-grid-2col {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-md);
  max-width: 100%;
}

/* Items categories grid tweaks */
.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.categories-grid .card {
  width: 100%;
  min-height: 180px;
}
/* Long card spans two columns on desktop */
.categories-grid .card-long {
  grid-column: span 2;
  min-height: 260px;
}
@media (max-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .categories-grid .card-long {
    grid-column: span 2;
  }
}
@media (max-width: 640px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .categories-grid .card {
    min-height: auto;
  }
  .categories-grid .card-long {
    grid-column: auto;
  }
}

/* Allow full content inside category cards (disable text clamp/ellipsis) */
.categories-grid .card-excerpt {
  display: block !important;
  -webkit-line-clamp: unset !important;
  -webkit-box-orient: unset !important;
  overflow: visible !important;
  max-height: none !important;
}

/* Related Sections (small compact cards) */
.related-grid {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  flex-wrap: wrap;
  margin-top: var(--space-md);
}
.related-grid .card-small {
  padding: 0;
  min-width: 160px;
  max-width: 260px;
  flex: 0 0 auto;
  border-radius: 12px;
  overflow: hidden;
}
.related-grid .card-small .card-body {
  padding: var(--space-sm);
  font-size: var(--font-size-sm);
}
.related-grid .card-small .card-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: calc(var(--space-xs) / 2);
  color: var(--text-primary);
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  display: -webkit-box;
  overflow: hidden;
}
.related-grid .card-small .card-excerpt {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.4;
  display: block;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (max-width: 640px) {
  .related-grid {
    justify-content: stretch;
  }
  .related-grid .card-small {
    min-width: 100%;
    max-width: 100%;
  }
}

/* Uniform small card layout: center titles and equal heights */
.related-grid .card-small {
  display: flex;
  align-items: stretch;
  min-height: 140px;
}
.related-grid .card-small .card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-md);
  gap: var(--space-xs);
}
.related-grid .card-small .card-title {
  text-align: center;
  margin-bottom: var(--space-xs);
}
.related-grid .card-small .card-excerpt {
  margin-top: 0;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-align: center;
  min-height: 100px;
  gap: var(--space-sm);
}

.feature-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  display: block;
  height: 32px;      /* fix height, allow width to scale to preserve aspect ratio */
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  color: var(--accent-primary);
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  flex-shrink: 0;
}

.feature-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

/* ============================================
   Player Reviews Section
   ============================================ */

.reviews-section {
  padding-top: 0;
  padding-bottom: var(--space-2xl);
}

.requirements-section {
  padding-top: var(--space-2xl);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xl);
}

.review-card {
  padding: 0;
}

.review-card .card-body {
  padding: var(--space-lg) var(--space-xl);
}

.review-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.review-name {
  font-weight: 600;
}

.review-stars {
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
  color: var(--accent-primary);
}

.review-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .reviews-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   FAQ Section
   ============================================ */

.faq-section {
  padding-top: 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.faq-item {
  padding: 0;
}

.faq-item .card-body {
  padding: var(--space-lg) var(--space-xl);
}

.faq-question {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.faq-answer {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.info-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.info-value {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

/* Hero Video */
.hero-video {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0; /* Allow video to shrink if needed */
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--bg-card);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Hero Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .hero-content {
    text-align: center;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-info-bar {
    justify-content: center;
  }
  
  .hero-video {
    max-width: 600px;
    margin: var(--space-lg) auto 0;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: var(--space-xl) 0;
    min-height: auto;
  }
  
  .hero-info-bar {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }
  
  .info-item {
    text-align: center;
  }

  .hero-video {
    width: 100%;
  }

  .video-wrapper {
    padding-bottom: 56.25%;
    min-height: 220px;
  }
}

/* ============================================
   Pagination
   ============================================ */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-sm);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.pagination-item:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.pagination-item.active {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

.pagination-item.disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* ============================================
   Loading States
   ============================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--bg-card) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

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

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-sm);
}

.skeleton-title {
  height: 1.5em;
  width: 60%;
}

.skeleton-image {
  aspect-ratio: 16 / 9;
}

/* Blog-style article (no card frame) */
.blog-article {
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  width: 100%;
}

.blog-article .card-body {
  background: transparent;
  padding: var(--space-lg) var(--space-md);
  max-width: var(--container-narrow);
  margin: 0 auto;
}

/* Post meta (date, read time, tags) */
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.post-meta time {
  font-weight: 700;
  color: var(--text-primary);
}

.meta-sep {
  color: var(--text-muted);
  margin: 0 6px;
}

.post-tags {
  display: inline-flex;
  gap: var(--space-xs);
}

.post-tags .tag-link {
  background: rgba(212,175,55,1);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: #111;
  text-decoration: none;
}

.post-tags .tag-link:hover {
  color: var(--text-primary);
  background: rgba(212,175,55,0.06);
}

/* Gold inline link and gold button used in guide pages */
.link-gold {
  color: #D4AF37;
  font-weight: 700;
  text-decoration: none;
}
.link-gold:hover {
  text-decoration: underline;
}
.btn-gold {
  background: linear-gradient(180deg,#D4AF37,#C99D2F);
  color: #0b0b0b;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
}
.btn-gold:hover { filter: brightness(0.98); }

/* Guide page header: center date, reading time, tags vertically */
.section-header.guide-header .post-meta {
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:0.5rem;
}
.section-header.guide-header .post-meta time {
  font-weight:700;
  color:var(--accent-primary);
  text-align:center;
  display:block;
}
.section-header.guide-header .post-meta .reading-time {
  color:var(--text-secondary);
  font-weight:600;
}
.section-header.guide-header .post-tags {
  display:flex;
  gap:0.5rem;
  flex-wrap:wrap;
  justify-content:center;
}
.section-header.guide-header .post-tags .tag-link {
  background: rgba(212,175,55,1);
  color: #111;
  padding:6px 10px;
  border-radius:999px;
  text-decoration:none;
  font-weight:600;
  font-size:0.9rem;
}

.blog-article h2,
.blog-article h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.blog-article p,
.blog-article li {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.8;
}

.blog-article .card-meta {
  color: var(--text-muted);
  margin-top: var(--space-md);
}

/* Typography normalization for blog articles */
.blog-article .lead {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.blog-article h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
  color: var(--accent-primary);
}

/* Ensure H1 width matches article body and make H1/H2 accent-colored */
.section-header .section-title {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  color: var(--accent-primary);
}

.section-header .post-meta {
  max-width: var(--container-narrow);
  margin: 0.5rem auto 0;
  display: flex;
  justify-content: flex-start;
  gap: var(--space-sm);
  color: var(--text-muted);
}

.blog-article h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
  line-height: 1.25;
  scroll-margin-top: 120px;
}

.blueprint-category {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
  align-items: start;
}

.blueprint-content {
  padding-right: var(--space-lg);
}

.section-divider {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: var(--space-xl) 0;
}

.blueprint-example {
  position: relative;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 55%),
              radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.02), transparent 55%),
              rgba(5, 12, 32, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(18px);
}

.blueprint-example::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  opacity: 0.8;
  pointer-events: none;
}

.blueprint-example h4 {
  color: var(--accent-primary);
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.blueprint-example p {
  margin-bottom: var(--space-sm);
}

.blueprint-example ul {
  margin-left: var(--space-md);
}

@media (max-width: 768px) {
  .blueprint-category {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .blueprint-content {
    padding-right: 0;
  }
}

.blog-article p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.7;
}

.blog-article ul {
  margin: 0 0 var(--space-md) 0;
  padding-left: 1.25rem;
}

.blog-article li {
  margin-bottom: var(--space-sm);
}

/* Callout / Tip box */
.callout {
  background: rgba(212,175,55,0.06);
  border-left: 4px solid var(--accent-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  margin: var(--space-md) 0;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .blog-article .card-body {
    padding: var(--space-md);
  }
  .blog-article .lead { font-size: 1rem; }
  .blog-article h2 { font-size: 1.25rem; }
  .blog-article h3 { font-size: 1.05rem; }
}