/* CSS Variables & Theme Definitions */
:root {
  /* Minimal Theme (Default) */
  --bg-primary: #0f172a;
  --bg-secondary: rgba(30, 41, 59, 0.7);
  --bg-card: rgba(30, 41, 59, 0.5);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-primary: #38bdf8;
  --accent-secondary: #818cf8;
  --accent-success: #34d399;
  --accent-warning: #fbbf24;
  --border-color: rgba(255, 255, 255, 0.1);
  --font-main: 'Inter', system-ui, sans-serif;
  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-code: 'Fira Code', monospace;
  --card-radius: 16px;
  --glow-shadow: 0 10px 30px -10px rgba(56, 189, 248, 0.3);
}

[data-theme="cyberpunk"] {
  --bg-primary: #05050a;
  --bg-secondary: #0d0d1a;
  --bg-card: rgba(20, 20, 40, 0.85);
  --text-primary: #00f0ff;
  --text-secondary: #ff007f;
  --accent-primary: #ff007f;
  --accent-secondary: #00f0ff;
  --accent-success: #39ff14;
  --accent-warning: #ffe600;
  --border-color: #ff007f;
  --font-main: 'Fira Code', monospace;
  --font-heading: 'Outfit', sans-serif;
  --card-radius: 4px;
  --glow-shadow: 0 0 20px rgba(255, 0, 127, 0.5);
}

[data-theme="ghibli"] {
  --bg-primary: #fbf7ee;
  --bg-secondary: #f3ebd9;
  --bg-card: #ffffff;
  --text-primary: #2d3748;
  --text-secondary: #718096;
  --accent-primary: #4a7c59;
  --accent-secondary: #d97706;
  --accent-success: #16a34a;
  --accent-warning: #ca8a04;
  --border-color: #e2e8f0;
  --font-main: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --card-radius: 24px;
  --glow-shadow: 0 10px 25px rgba(74, 124, 89, 0.15);
}

[data-theme="terminal"] {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #111111;
  --text-primary: #00ff66;
  --text-secondary: #00b347;
  --accent-primary: #00ff66;
  --accent-secondary: #00cc52;
  --accent-success: #00ff66;
  --accent-warning: #ffcc00;
  --border-color: #00ff66;
  --font-main: 'Fira Code', monospace;
  --font-heading: 'Fira Code', monospace;
  --card-radius: 2px;
  --glow-shadow: 0 0 15px rgba(0, 255, 102, 0.4);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Layout with Sidebar */
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
}

/* Sidebar Drawer Styles */
.sidebar-drawer {
  width: 260px;
  background: var(--bg-secondary);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  padding: 20px;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s ease;
}

.sidebar-drawer.collapsed {
  width: 76px;
  padding: 20px 10px;
}

.sidebar-drawer.collapsed .nav-text,
.sidebar-drawer.collapsed .brand-author,
.sidebar-drawer.collapsed .nav-section-title,
.sidebar-drawer.collapsed .btn-label {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

.sidebar-drawer.collapsed .nav-item {
  justify-content: center;
  padding: 10px;
}

.sidebar-drawer.collapsed .theme-btn {
  justify-content: center;
  padding: 10px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  margin: 0 auto;
}

.sidebar-drawer.collapsed .social-link {
  justify-content: center;
  padding: 8px;
}

.sidebar-drawer.collapsed .toggle-icon {
  transform: rotate(180deg);
}

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

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-logo {
  font-family: var(--font-code);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent-primary);
}

.brand-author {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.sidebar-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-shadow);
  transition: all 0.3s ease;
}

.sidebar-toggle-btn:hover {
  border-color: var(--accent-primary);
  background: var(--accent-primary);
  color: var(--bg-primary);
  transform: scale(1.08);
}

.mobile-menu-btn {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  box-shadow: var(--glow-shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.nav-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin: 16px 0 8px;
  display: block;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
  background: var(--bg-card);
  color: var(--accent-primary);
  font-weight: 600;
}

.sidebar-socials {
  margin-top: auto;
}

.social-icons-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s ease, background-color 0.2s ease;
}

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

.social-icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  flex-shrink: 0;
  fill: currentColor;
  display: inline-block;
}

.sidebar-theme-switcher {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.theme-buttons-vertical {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Stylish Theme Buttons (matching hero actions .btn-secondary) */
.theme-btn {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font-main);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--glow-shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-btn:hover {
  background: var(--bg-card);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.theme-btn.active {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  font-weight: 700;
  box-shadow: var(--glow-shadow);
}

.theme-buttons-vertical .theme-btn {
  width: 100%;
  justify-content: flex-start;
}

/* Horizontal Timeline Scroll Slider Controls (Translucid & Positioned Under Timeline) */
.lifeline-scroll-control {
  margin: 16px 0 0;
  display: flex;
  justify-content: center;
}

.scroll-slider-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 8px 20px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--glow-shadow);
  width: 90%;
  max-width: 600px;
  transition: all 0.3s ease;
}

.scroll-slider-wrapper:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-primary);
}

.scroll-slider-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  opacity: 0.85;
}

.scroll-slider-wrapper input[type="range"] {
  flex: 1;
  accent-color: var(--accent-primary);
  cursor: pointer;
  opacity: 0.75;
  transition: opacity 0.2s ease;
}

.scroll-slider-wrapper input[type="range"]:hover {
  opacity: 1;
}

/* Main Content Layout Adjustments */
.main-content-layout {
  flex: 1;
  margin-left: 260px;
  transition: margin-left 0.3s ease;
  width: calc(100% - 260px);
}

.sidebar-drawer.collapsed + .main-content-layout {
  margin-left: 76px;
  width: calc(100% - 76px);
}

.mobile-top-bar {
  display: none;
}

.app-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px 24px 60px;
}

/* Hero Section */
.hero-section {
  margin-bottom: 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
}

.badge-primary {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-primary);
}

.badge-accent {
  background: rgba(52, 211, 153, 0.15);
  color: var(--accent-success);
  cursor: pointer;
}

.badge-warning {
  background: rgba(251, 191, 36, 0.15);
  color: var(--accent-warning);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
}

.highlight-text {
  color: var(--accent-primary);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Code Card */
.code-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 16px;
  font-family: var(--font-code);
  margin-bottom: 24px;

}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27c93f; }

.code-title {
  margin-left: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.code-body {
  font-size: 0.9rem;
  overflow-x: auto;
  padding: 8px 0;
}

.code-body .keyword { color: #f472b6; }
.code-body .function { color: #60a5fa; }
.code-body .string { color: #34d399; }
.code-body .number { color: #fbbf24; }
.code-body .comment { color: var(--text-secondary); opacity: 0.7; }

.btn-sm {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  margin-top: 8px;
}

.code-output {
  margin-top: 10px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.3);
  border-left: 3px solid var(--accent-success);
  font-size: 0.85rem;
  color: var(--accent-success);
}

.hidden { display: none; }

.hero-actions {
  display: flex;
  gap: 14px;
}

.btn {
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

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

.btn-outline {
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
}

/* Avatar Card */
.hero-avatar-card {
  text-align: center;
}

.avatar-frame {
  position: relative;
  width: 260px;
  height: 260px;
  margin: 0 auto 16px;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--card-radius);
  border: 3px solid var(--accent-primary);
  box-shadow: var(--glow-shadow);
  position: relative;
  z-index: 2;
  transition: transform 0.4s ease, border-color 0.4s ease, filter 0.4s ease;
}

.avatar-frame:hover .avatar-img {
  transform: scale(1.03) rotate(1deg);
}

.avatar-theme-badge {
  position: absolute;
  bottom: -10px;
  right: -10px;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  z-index: 3;
  box-shadow: var(--glow-shadow);
}

[data-theme="cyberpunk"] .avatar-img {
  filter: saturate(1.4) contrast(1.1);
  box-shadow: 0 0 25px var(--accent-primary);
}

[data-theme="terminal"] .avatar-img {
  filter: grayscale(0.8) sepia(1) hue-rotate(80deg) saturate(3);
}

[data-theme="ghibli"] .avatar-img {
  filter: sepia(0.2) contrast(0.95) brightness(1.02);
}

/* Lifeline Horizontal Tech Stack Timeline */
.lifeline-container {
  overflow-x: auto;
  padding: 40px 10px 60px;
  margin: 0 -10px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-primary) var(--bg-secondary);
}

.lifeline-track {
  display: flex;
  gap: 32px;
  position: relative;
  min-width: 1200px;
  padding: 60px 20px;
}

.lifeline-track::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary), var(--accent-success));
  border-radius: 4px;
  transform: translateY(-50%);
  box-shadow: var(--glow-shadow);
}

.lifeline-node {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.node-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 5;
  box-shadow: 0 0 12px rgba(0,0,0,0.3);
}

.node-badge.os-badge {
  background: var(--accent-success);
  color: #000;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 16px;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.lifeline-node.top .node-card {
  margin-bottom: 50px;
  transform-origin: bottom center;
}

.lifeline-node.bottom .node-card {
  margin-top: 50px;
  transform-origin: top center;
}

.node-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--accent-primary);
  box-shadow: var(--glow-shadow);
}

.os-card {
  border: 2px solid var(--accent-success);
  background: rgba(52, 211, 153, 0.08);
}

.node-icon {
  font-size: 1.8rem;
  margin-bottom: 6px;
}

.node-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.node-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 8px;
}

.node-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.node-tag {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-primary);
}

.node-tag.os {
  background: rgba(52, 211, 153, 0.2);
  color: var(--accent-success);
  font-weight: 600;
}

.avatar-caption h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
}

.avatar-caption p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Section Common */
.section {
  margin-bottom: 60px;
}

.section-header {
  margin-bottom: 28px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 6px;
}

.section-desc {
  color: var(--text-secondary);
}

/* Attributes Grid */
.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-btn, .lifeline-filter-btn {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-main);
  transition: all 0.2s ease;
}

.filter-btn.active, .lifeline-filter-btn.active {
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 600;
  box-shadow: var(--glow-shadow);
}

.lifeline-node {
  position: relative;
  flex: 1;
  min-width: 200px;
  transition: opacity 0.3s ease, transform 0.3s ease, filter 0.3s ease;
}

.lifeline-node.dimmed {
  opacity: 0.25;
  filter: grayscale(0.8);
}

.filter-btn.active {
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 600;
}

.attributes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.attr-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--card-radius);
  display: flex;
  align-items: center;
  gap: 14px;
}

.attr-icon {
  font-size: 2rem;
}

.attr-info h4 {
  font-size: 1.05rem;
  margin-bottom: 2px;
}

.attr-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Quantum Section */
.quantum-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 32px;
  box-shadow: var(--glow-shadow);
}

.quantum-header {
  margin-bottom: 24px;
}

.interactive-pqc {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.pqc-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slider-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.current-year-badge {
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-weight: 800;
  font-size: 1.1rem;
  padding: 4px 14px;
  border-radius: 20px;
  box-shadow: var(--glow-shadow);
}

/* Dynamic Era Display Card */
.era-display-card {
  background: var(--bg-card);
  border: 2px solid var(--accent-primary);
  border-radius: var(--card-radius);
  padding: 24px;
  box-shadow: var(--glow-shadow);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.era-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.era-icon {
  font-size: 2.8rem;
}

.era-header h3 {
  font-size: 1.35rem;
  font-family: var(--font-heading);
  margin-bottom: 2px;
}

.era-time {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 700;
}

.era-desc {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.era-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pqc-simulation-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
}

.algo-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--card-radius);
  text-align: center;
}

.algo-box.highlight {
  border-color: var(--accent-primary);
}

.status-indicator {
  margin: 12px 0 6px;
  font-weight: 600;
  font-size: 0.9rem;
}

.indicator-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}
.indicator-dot.green { background: var(--accent-success); }
.indicator-dot.red { background: #ef4444; }

.vulnerability-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 6px;
}

.vuln-fill {
  height: 100%;
  background: #ef4444;
  transition: width 0.3s ease;
}

.vuln-fill.safe {
  background: var(--accent-success);
}

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

.vs-divider {
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.pqc-summary {
  background: rgba(0, 0, 0, 0.2);
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-dot {
  position: absolute;
  left: -30px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 4px solid var(--bg-primary);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--card-radius);
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-role {
  font-size: 1.2rem;
  margin-bottom: 2px;
}

.timeline-company {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: 12px;
  color: var(--text-secondary);
}

/* Garage Mechanics */
.garage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.garage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  text-decoration: none;
  color: var(--text-primary);
}

.garage-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--glow-shadow);
  transform: translateY(-2px);
}

.garage-icon {
  font-size: 2.2rem;
}

.garage-info h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.garage-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.garage-link {
  font-size: 0.8rem;
  color: var(--accent-primary);
  font-weight: 600;
}

/* Footer */
.footer {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.quote {
  font-style: italic;
  margin: 6px 0 12px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.footer-links a {
  color: var(--accent-primary);
  text-decoration: none;
}

/* SRE Chaos Simulator Styles */
.chaos-simulator-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.chaos-controls-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.chaos-btn {
  background: var(--bg-card);
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  font-family: var(--font-main);
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: var(--glow-shadow);
  transition: all 0.3s ease;
}

.chaos-btn:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

.chaos-btn.btn-reset {
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.chaos-btn.btn-reset:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.chaos-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.3s ease;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.metric-status {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
}
.metric-status.green { background: rgba(52, 211, 153, 0.2); color: var(--accent-success); }
.metric-status.yellow { background: rgba(251, 191, 36, 0.2); color: var(--accent-warning); }
.metric-status.red { background: rgba(239, 68, 68, 0.2); color: #ef4444; }

.metric-value {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-heading);
}

.progress-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin: 4px 0;
}

.progress-fill {
  height: 100%;
  background: var(--accent-primary);
  transition: width 0.4s ease, background-color 0.4s ease;
}
.progress-fill.safe { background: var(--accent-success); }
.progress-fill.warn { background: var(--accent-warning); }
.progress-fill.danger { background: #ef4444; }

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

.chaos-console-log {
  background: rgba(0, 0, 0, 0.35);
  border-left: 3px solid var(--accent-primary);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.5;
}

/* AI & Cloud Architecture Playground Styles */
.ai-arch-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.arch-scenario-selector {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.arch-scenario-btn {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  box-shadow: var(--glow-shadow);
  transition: all 0.3s ease;
}

.arch-scenario-btn:hover {
  background: var(--bg-card);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.arch-scenario-btn.active {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  font-weight: 700;
}

.arch-topology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.arch-node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.arch-node-card.highlight {
  border-color: var(--accent-primary);
  box-shadow: var(--glow-shadow);
}

.arch-node-card.ai-core-card {
  border-color: var(--accent-secondary);
  background: rgba(168, 85, 247, 0.08);
}

.node-header-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.node-icon {
  font-size: 1.3rem;
}

.node-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.arch-node-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 2px 0;
  color: var(--text-primary);
}

.arch-node-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.node-badge-mini {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 10px;
  color: var(--accent-primary);
  margin-top: 4px;
}

.arch-metrics-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 14px 20px;
  border-radius: 16px;
  justify-content: space-between;
}

.arch-metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.arch-metric-lbl {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.arch-metric-val {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-heading);
}
.arch-metric-val.highlight-blue { color: var(--accent-primary); }
.arch-metric-val.green { color: var(--accent-success); }

.arch-flow-stream {
  background: rgba(0, 0, 0, 0.35);
  border-left: 3px solid var(--accent-secondary);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .pqc-simulation-grid {
    grid-template-columns: 1fr;
  }
  .vs-divider {
    text-align: center;
  }
  .navbar {
    flex-direction: column;
    gap: 14px;
  }
}