/* ==========================================
   NEXUSFORGE - PREMIUM DESIGN SYSTEM (style.css)
   ========================================== */

/* --- 1. Variables & Root Design System --- */
:root {
  /* Common Tokens */
  --font-heading: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --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;
  --border-radius-xl: 32px;
  --container-width: 1200px;
  --shadow-glow: 0 0 20px rgba(138, 43, 226, 0.15);

  /* Dark Theme Default Tokens */
  --bg-gradient: linear-gradient(135deg, #090614 0%, #111827 100%);
  --bg-base: #090614;
  --bg-panel: rgba(17, 24, 39, 0.65);
  --bg-panel-hover: rgba(31, 41, 55, 0.75);
  --bg-card: rgba(15, 23, 42, 0.55);
  --bg-card-hover: rgba(30, 41, 59, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(138, 43, 226, 0.35);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-color: #8a2be2;
  --accent-secondary: #f43f5e;
  --accent-gradient: linear-gradient(135deg, #8a2be2 0%, #f43f5e 100%);
  --accent-glow: 0 0 25px rgba(244, 63, 94, 0.3);
  
  --code-bg: rgba(15, 23, 42, 0.9);
  --code-text: #38bdf8;
  --header-bg: rgba(9, 6, 20, 0.8);
  
  --modal-overlay-bg: rgba(3, 2, 7, 0.85);
  --modal-bg: #0f172a;
}

/* --- 2. Light Theme Override Tokens --- */
body.light-theme {
  --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
  --bg-base: #f8fafc;
  --bg-panel: rgba(255, 255, 255, 0.8);
  --bg-panel-hover: rgba(241, 245, 249, 0.9);
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --border-color: rgba(15, 23, 42, 0.06);
  --border-color-hover: rgba(79, 70, 229, 0.3);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-color: #4f46e5;
  --accent-secondary: #ec4899;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
  --accent-glow: 0 0 25px rgba(79, 70, 229, 0.2);
  
  --code-bg: #f1f5f9;
  --code-text: #0284c7;
  --header-bg: rgba(248, 250, 252, 0.8);
  
  --modal-overlay-bg: rgba(15, 23, 42, 0.4);
  --modal-bg: #ffffff;
}

/* --- 3. Global Reset & Base Styles --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-base);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  background-size: cover;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

/* Language Swapping Mechanism via CSS classes */
body.lang-es .lang-only.lang-en {
  display: none !important;
}
body.lang-en .lang-only.lang-es {
  display: none !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: rgba(138, 43, 226, 0.2);
  border-radius: 5px;
  border: 2px solid var(--bg-base);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gradient);
}

/* --- 4. Main Header Component --- */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background var(--transition-normal), border var(--transition-normal);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

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

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.brand:hover .brand-logo {
  transform: rotate(20deg) scale(1.1);
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.5px;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Language buttons */
.lang-toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}
body.light-theme .lang-toggle-wrapper {
  background: rgba(15, 23, 42, 0.03);
}

.lang-btn {
  font-weight: 700;
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  padding: 2px 6px;
  border-radius: 4px;
}

.lang-btn.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}
body.light-theme .lang-btn.active {
  background: rgba(15, 23, 42, 0.06);
}

.lang-separator {
  color: var(--border-color);
  font-size: 12px;
}

/* Sun/Moon Theme toggler button */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: grid;
  place-items: center;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  transition: background var(--transition-fast), border var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-color-hover);
  transform: scale(1.05);
}

body.light-theme .theme-toggle:hover {
  background: rgba(15, 23, 42, 0.04);
}

.sun-icon, .moon-icon {
  width: 20px;
  height: 20px;
  grid-area: 1/1;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

body.dark-theme .sun-icon {
  transform: rotate(90deg);
  opacity: 0;
  visibility: hidden;
}
body.dark-theme .moon-icon {
  transform: rotate(0deg);
  opacity: 1;
  visibility: visible;
}

body.light-theme .sun-icon {
  transform: rotate(0deg);
  opacity: 1;
  visibility: visible;
}
body.light-theme .moon-icon {
  transform: rotate(-90deg);
  opacity: 0;
  visibility: hidden;
}

/* GitHub link icon */
.github-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: grid;
  place-items: center;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  transition: background var(--transition-fast), border var(--transition-fast), transform var(--transition-fast);
}

.github-link:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-color-hover);
  transform: scale(1.05);
}

.github-link svg {
  width: 20px;
  height: 20px;
}

/* --- 5. Hero Section --- */
.hero {
  padding-top: 150px;
  padding-bottom: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Ambient glows */
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 350px;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.15) 0%, rgba(244, 63, 94, 0.03) 70%, transparent 100%);
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  margin-bottom: 48px;
}

.hero-tagline {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-heading);
  font-weight: 850;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px rgba(138, 43, 226, 0.1));
}

.hero-subtitle {
  font-size: clamp(16px, 2.5vw, 19px);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

/* Search Box & Filters */
.search-filter-panel {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  padding: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

body.light-theme .search-filter-panel {
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.search-filter-panel:focus-within {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 12px 18px;
  gap: 12px;
  transition: background var(--transition-normal);
}
body.light-theme .search-box {
  background: rgba(15, 23, 42, 0.02);
}

.search-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 16px;
  width: 100%;
}

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

/* Category Filters */
.category-filters {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.02);
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border-color: var(--text-muted);
}
body.light-theme .filter-tab:hover {
  background: rgba(15, 23, 42, 0.04);
}

.filter-tab.active {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: var(--accent-glow);
}

/* --- 6. Extensions Grid Section --- */
.extensions-section {
  padding: 60px 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.results-count {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.extensions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 30px;
}

/* Extension Cards (Glassmorphism & animations) */
.extension-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  transition: transform var(--transition-normal), border var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.extension-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

.extension-card:hover::after {
  opacity: 1;
}

.ext-card-header {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.ext-icon-wrapper {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 10px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}
body.light-theme .ext-icon-wrapper {
  background: rgba(15, 23, 42, 0.02);
}

.ext-card-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

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

.ext-card-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.ext-card-meta {
  display: flex;
  gap: 8px;
  align-items: center;
}

.ext-version {
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}
body.light-theme .ext-version {
  background: rgba(15, 23, 42, 0.04);
}

.ext-author {
  font-size: 12px;
  color: var(--text-muted);
}

.ext-card-body {
  margin-bottom: 24px;
  flex-grow: 1;
}

.ext-card-desc {
  font-size: 15px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 18px;
}

.ext-card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ext-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 20px;
}
body.light-theme .ext-tag {
  background: rgba(15, 23, 42, 0.02);
}

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

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  width: 100%;
}

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

.btn.primary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
}

.btn.secondary {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}
body.light-theme .btn.secondary:hover {
  background: rgba(15, 23, 42, 0.04);
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* Loading Skeleton */
.skeleton-grid {
  display: contents;
}

.skeleton-card {
  height: 280px;
  background: linear-gradient(90deg, var(--bg-card) 25%, rgba(255,255,255,0.05) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: loadingSkeleton 1.5s infinite;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

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

/* No results block */
.no-results {
  text-align: center;
  padding: 60px 20px;
  max-width: 400px;
  margin: 0 auto;
}

.no-results-icon {
  width: 64px;
  height: 64px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.no-results h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  margin-bottom: 8px;
}

.no-results p {
  color: var(--text-muted);
  font-size: 15px;
}

/* --- 7. Installation Guide Section --- */
.installation-guide {
  padding: 80px 0;
  border-top: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.15);
}
body.light-theme .installation-guide {
  background: rgba(15, 23, 42, 0.01);
}

.guide-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  margin-bottom: 56px;
}

.guide-header h2 {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.guide-header p {
  color: var(--text-secondary);
  font-size: 17px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  position: relative;
  transition: transform var(--transition-normal), border var(--transition-normal);
}

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

.step-num {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.8;
  margin-bottom: 20px;
}

.step-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

.code-highlight {
  font-family: monospace;
  font-size: 13px;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Highlight Note Box */
.guide-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(138, 43, 226, 0.08);
  border: 1px solid rgba(138, 43, 226, 0.2);
  padding: 20px 24px;
  border-radius: var(--border-radius-md);
  max-width: 800px;
  margin: 0 auto;
}

.note-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-color);
  flex-shrink: 0;
  margin-top: 2px;
}

.note-content p {
  font-size: 14px;
  color: var(--text-secondary);
}

.note-content strong {
  color: var(--text-primary);
}

/* --- 8. Modals: User Manual & Details --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-overlay-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  animation: fadeIn 0.3s var(--transition-fast);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: var(--modal-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 960px;
  max-height: 85vh;
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  animation: scaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleUp {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  z-index: 10;
}
body.light-theme .modal-close {
  background: rgba(15, 23, 42, 0.05);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--border-color-hover);
  transform: scale(1.05);
}

.modal-content-wrapper {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: 85vh;
  max-height: 85vh;
}

/* Modal Sidebar */
.modal-sidebar {
  background: rgba(0, 0, 0, 0.2);
  border-right: 1px solid var(--border-color);
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
}
body.light-theme .modal-sidebar {
  background: rgba(15, 23, 42, 0.02);
}

.modal-sidebar-header {
  text-align: center;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.modal-ext-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 12px;
}

.modal-ext-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
}

.modal-version-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--accent-gradient);
  color: #ffffff;
  padding: 2px 10px;
  border-radius: 20px;
  display: inline-block;
}

.modal-sidebar-meta {
  margin-bottom: 30px;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meta-item {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.meta-label {
  color: var(--text-muted);
  font-weight: 500;
}

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

.modal-sidebar-features h4 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.features-list li {
  font-size: 13px;
  color: var(--text-secondary);
  position: relative;
  padding-left: 18px;
}

.features-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--accent-color);
}

.modal-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  width: 100%;
  margin-top: auto;
}

.modal-download-btn.primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: var(--accent-glow);
}

.modal-download-btn.primary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
}

.modal-download-btn svg {
  width: 16px;
  height: 16px;
}

/* Modal Body Content */
.modal-body {
  padding: 40px 40px;
  overflow-y: auto;
}

.section-subtitle {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-color);
  margin-bottom: 12px;
}

.modal-description-text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-divider {
  border: none;
  height: 1px;
  background: var(--border-color);
  margin: 30px 0;
}

/* Manual Content Styles inside Modal */
.manual-content-block h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.manual-content-block ol, .manual-content-block ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.manual-content-block li {
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.manual-content-block li::marker {
  color: var(--accent-color);
  font-weight: 700;
}

.manual-content-block p {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.manual-content-block strong {
  color: var(--text-primary);
}

.manual-content-block code {
  font-family: monospace;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.manual-content-block pre {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
}

.manual-content-block pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
  font-size: 12px;
}

.manual-content-block a {
  color: var(--accent-color);
  font-weight: 600;
  border-bottom: 1px dashed var(--accent-color);
}

.manual-content-block a:hover {
  color: var(--accent-secondary);
  border-bottom-color: var(--accent-secondary);
}

/* --- 9. Main Footer --- */
.main-footer {
  padding: 80px 0 40px 0;
  border-top: 1px solid var(--border-color);
  background: rgba(9, 6, 20, 0.95);
  color: #94a3b8;
}

body.light-theme .main-footer {
  background: #f1f5f9;
  color: #475569;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-tagline {
  font-size: 15px;
  max-width: 360px;
}

.footer-links h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  font-size: 16px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
}

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

.footer-disclaimer {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-disclaimer p {
  line-height: 1.5;
}

.footer-copyright {
  margin-top: 8px;
  font-size: 11px;
}

/* --- 10. Responsive Media Queries --- */
@media (max-width: 900px) {
  .modal-content-wrapper {
    grid-template-columns: 1fr;
    height: auto;
    max-height: 80vh;
    overflow-y: auto;
  }
  
  .modal-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 30px 20px;
    height: auto;
    overflow-y: visible;
  }
  
  .modal-body {
    padding: 30px 20px;
    overflow-y: visible;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 120px;
    padding-bottom: 40px;
  }
  
  .search-filter-panel {
    border-radius: var(--border-radius-lg);
    padding: 12px;
  }
  
  .extensions-grid {
    grid-template-columns: 1fr;
  }
  
  .ext-card-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }
  
  .ext-card-footer {
    flex-direction: column;
  }
  
  .step-card {
    padding: 24px;
  }
}