/* ============================================================
   DORAN DESIGN STUDIO - Shared Design System
   Master: prototype.html
   ============================================================ */

/* CSS Variables - Design System */
:root {
  /* Colors - Neutrals */
  --color-white: #FFFFFF;
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E5E5E5;
  --color-gray-300: #D4D4D4;
  --color-gray-400: #A3A3A3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  --color-black: #000000;

  /* Perceptually spaced accent colors - anchored at #3366FF */
  --color-blue: #3366FF;
  --color-purple: #aa7add;
  --color-magenta: #e946c3;
  --color-red: #ff4c4c;
  --color-orange: #ff9500;
  --color-yellow: #ffd119;
  --color-teal: #35c4c0;
  --color-green: #00bc35;

  /* Utility */
  --asset-accent: var(--color-blue);

  /* Semantic - 4 Elevation Levels */
  --canvas: #E9E7E3;
  --surface: #f0eeeb;
  --surface-raised: #f8f6f2;
  --surface-overlay: #fffdfa;

  /* Borders - Barely perceptible for each level */
  --border-canvas: #D9D7D3;
  --border-surface: #E5E3DF;
  --border-raised: #EFEDE9;
  --border-overlay: #F5F3EF;
  --border: #D4D4D4;

  /* Text */
  --text-main: #2B2D33;
  --text-muted: #8a8a8b;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06);

  /* Animation */
  --duration-fast: 150ms;
  --duration-base: 200ms;
  --duration-slow: 300ms;
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-main);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ============================================================
   Navigation (shared across all pages)
   ============================================================ */
.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  height: 32px;
  width: auto;
}

.nav-links {
  display: none;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-link:hover {
  color: var(--text-main);
}

/* ============================================================
   Footer (shared across all pages)
   ============================================================ */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0;
  text-align: center;
}

.footer p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ============================================================
   Section Headers (shared)
   ============================================================ */
.section-header {
  margin-bottom: var(--space-8);
}

.section-header h2 {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-main);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* ============================================================
   Dot Grid System (shared across all pages)
   ============================================================ */
.dot-grid {
  display: grid;
  gap: 1px;
  background: #E3E1DD;
  padding: 1px;
  border: 1px solid #E3E1DD;
}

/* ============================================================
   prototype.html - Hero Section
   ============================================================ */
.hero {
  background: var(--canvas);
  padding: var(--space-10) 0;
}

.hero h1 {
  font-family: var(--font-sans);
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.hero h2 {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
  color: var(--text-muted);
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
}

.hero-logo {
  height: 80px;
  width: auto;
  margin-bottom: var(--space-8);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-text {
  max-width: 600px;
}

.hero-tagline {
  margin-top: 1.5rem;
  font-size: 1rem;
  opacity: 0.85;
}

.hero-animation {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

#lottie-container {
  width: 100%;
  height: 400px;
  min-height: 300px;
}

/* ============================================================
   prototype.html - Stats Grid
   ============================================================ */
.stats-section {
  background: transparent;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: #E3E1DD;
  padding: 1px;
  border: 1px solid #E3E1DD;
}

@media (min-width: 768px) {
  .stat-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.stat-card {
  padding: var(--space-6);
  border: none;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: opacity var(--duration-base) var(--ease-out), background var(--duration-base) var(--ease-out);
  text-align: left;
  width: 100%;
  grid-column: span 6;
  aspect-ratio: 1 / 1;
}

@media (min-width: 768px) {
  .stat-card {
    grid-column: span 2;
  }
}

.stat-card:hover {
  opacity: 1 !important;
  background-color: var(--surface-overlay);
}

.stat-icon {
  width: 2rem;
  height: 2rem;
  margin-bottom: var(--space-4);
  transition: transform var(--duration-base) var(--ease-out);
  font-size: 2rem !important;
}

.stat-card:hover .stat-icon {
  transform: scale(1.1);
}

.stat-number {
  font-family: var(--font-sans);
  font-size: 1.875rem;
  font-weight: 300;
  line-height: 1.25;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ============================================================
   prototype.html - Category Cards
   ============================================================ */
.categories-section {
  background: var(--canvas);
  padding: var(--space-10) 0;
}

.category-card {
  position: relative;
  width: 100%;
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: var(--space-8);
  background: var(--surface);
  transition: all var(--duration-slow) var(--ease-out);
}

.category-card:hover {
  background: var(--surface-raised);
  opacity: 1 !important;
}

.category-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .category-content {
    grid-template-columns: 1fr 2fr;
  }
}

.category-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.category-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.icon-box {
  padding: 0.75rem;
  flex-shrink: 0;
}

.icon-box .material-icons {
  font-size: 1.5rem;
  display: block;
}

.category-title {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--text-main);
}

.category-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.category-description {
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--text-muted);
}

.tags-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .tags-section {
    border-left: 1px solid var(--border);
    padding-left: var(--space-8);
  }
}

.tag-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.tags-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--surface);
}

/* ============================================================
   prototype.html - Project Grid
   ============================================================ */
.projects-section {
  background: var(--canvas);
  padding: var(--space-10) 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #E3E1DD;
  padding: 1px;
  border: 1px solid #E3E1DD;
}

@media (min-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.project-card {
  position: relative;
  background: var(--surface);
  border: none;
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  aspect-ratio: 4 / 6;
}

.project-card:hover {
  background: var(--surface-overlay);
}

.project-thumbnail {
  aspect-ratio: 1 / 1;
  background: var(--surface-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}

.project-placeholder .material-icons {
  font-size: 4rem;
  color: currentColor;
  opacity: 0.75;
}

.project-content {
  padding: var(--space-5);
  flex: 1;
}

.project-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-main);
}

.project-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.project-description {
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--text-muted);
}

/* ============================================================
   prototype.html - Assets Grid
   ============================================================ */
.assets-section {
  background: var(--surface);
  padding: var(--space-10) 0;
}

.assets-controls {
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--canvas);
}

.assets-controls-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  flex-wrap: wrap;
}

.assets-controls-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.assets-controls-field {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.assets-controls-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.assets-controls-input {
  width: 120px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  outline: none;
}

.assets-controls-input:focus {
  border-color: var(--asset-accent);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.04);
}

.assets-controls-hint {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.assets-controls-swatches {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.accent-swatch {
  width: 18px;
  height: 18px;
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0;
  line-height: 0;
  transition: transform var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.accent-swatch:hover {
  transform: scale(1.08);
  border-color: var(--text-muted);
}

.accent-swatch.is-active {
  border-color: var(--text-main);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.06);
}

@media (max-width: 640px) {
  .assets-controls-swatches {
    width: 100%;
    margin-left: 0;
  }
}

.assets-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: #E3E1DD;
  padding: 1px;
  border: 1px solid #E3E1DD;
  position: relative;
  overflow: visible;
}

@media (min-width: 768px) {
  .assets-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.asset-card {
  position: relative;
  background: var(--surface-overlay);
  border: none;
  display: flex;
  flex-direction: column;
  transition: all var(--duration-base) var(--ease-out);
  overflow: visible;
  text-align: left;
  cursor: pointer;
  height: 100%;
  grid-column: span 6;
  aspect-ratio: 1 / 1;
}

@media (min-width: 768px) {
  .asset-card {
    grid-column: span 2;
  }
}

.asset-card:hover {
  box-shadow: 0 0 0 1px var(--border), var(--shadow-md);
  z-index: 2;
}

.asset-thumbnail {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-overlay);
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  width: 100%;
}

.asset-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.asset-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: 0;
}

.asset-placeholder .material-icons {
  font-size: 3rem;
  color: var(--asset-accent);
  opacity: 0.75;
}

.asset-info {
  position: relative;
  padding: var(--space-4);
  padding-bottom: var(--space-5);
  background: var(--surface-raised);
  border-top: 1px solid var(--border);
}

.asset-type {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.asset-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: var(--space-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.asset-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

.asset-price {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-green);
}

.asset-download {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.asset-download .material-icons {
  font-size: 1.25rem;
}

.asset-download:hover {
  background: rgba(0, 0, 0, 0.04);
  transform: scale(1.1);
}

.asset-card:hover .asset-download {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-muted);
}

/* ============================================================
   guides.html - Guide Cards
   ============================================================ */
.guides-header {
  background: var(--surface);
  padding: var(--space-10) 0;
  border-bottom: 1px solid var(--border);
}

.guides-header h1 {
  font-family: var(--font-sans);
  font-size: 3rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.guides-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
}

.guides-section {
  padding: var(--space-10) 0;
}

/* Dot grid system - 12 columns, cards span 4 each (3 per row) */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* mobile: 1 card */
  gap: 1px;
  background: #E3E1DD;
  padding: 1px;
  border: 1px solid #E3E1DD;
}

@media (min-width: 768px) {
  .guides-grid {
    grid-template-columns: repeat(12, 1fr);
  }
}

.guide-card {
  position: relative;
  background: var(--surface);
  border: none;
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
  display: block;
  text-align: left;
  grid-column: span 4; /* 3 cards per row on desktop */
}

.guide-card:hover {
  background: var(--surface-overlay);
}

.guide-content {
  padding: var(--space-6);
}

.guide-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.guide-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  transition: border-color var(--duration-base) var(--ease-out);
}

.guide-card:hover .guide-icon {
  border-color: var(--text-muted);
}

.guide-icon .material-icons {
  font-size: 1.5rem;
}

.guide-type {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.guide-title {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-main);
}

.guide-description {
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.guide-chunks {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.guide-chunks-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.chunk-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chunk-order {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  padding: 0.25rem 0.5rem;
  background: var(--canvas);
  border: 1px solid var(--border);
  color: var(--text-muted);
  min-width: 28px;
  text-align: center;
}

.chunk-name {
  flex: 1;
}

/* ============================================================
   guide.html - Single Guide Layout
   ============================================================ */
.guide-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 1024px) {
  .guide-layout {
    grid-template-columns: 280px 1fr;
  }
}

.guide-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  position: sticky;
  top: 57px;
  height: calc(100vh - 57px);
  overflow-y: auto;
  display: none;
}

@media (min-width: 1024px) {
  .guide-sidebar {
    display: block;
  }
}

.guide-sidebar-inner {
  padding: var(--space-6);
}

.guide-nav-title {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.guide-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.guide-nav-item {
  position: relative;
}

.guide-nav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: all var(--duration-fast) var(--ease-out);
  border-left: 2px solid transparent;
}

.guide-nav-link:hover {
  color: var(--text-main);
  background: var(--canvas);
}

.guide-nav-link.is-active {
  color: var(--color-blue);
  border-left-color: var(--color-blue);
  background: var(--canvas);
  font-weight: 500;
}

.guide-main {
  background: var(--surface);
  min-height: calc(100vh - 57px);
}

.guide-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-10) var(--space-6);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb-separator {
  font-size: 1rem;
}

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

.guide-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.guide-header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.guide-type-badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.375rem 0.75rem;
  background: var(--canvas);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.guide-time {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.guide-header h1 {
  font-family: var(--font-sans);
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.2;
}

.guide-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Chunk Sections */
.chunk {
  margin-bottom: 0;
  scroll-margin-top: 80px;
  padding: var(--space-10) 0;
  border-top: 1px solid var(--border);
}

.chunk:first-of-type {
  border-top: none;
  padding-top: 0;
}

.chunk-header {
  margin-bottom: var(--space-5);
}

.chunk-type {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.chunk-type-icon {
  font-size: 0.875rem !important;
}

.chunk h2 {
  font-family: var(--font-sans);
  font-size: 1.875rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-main);
  line-height: 1.3;
}

.chunk h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--text-main);
}

.chunk p {
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.chunk ul, .chunk ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-5);
}

.chunk li {
  margin-bottom: var(--space-2);
  line-height: 1.7;
}

/* Product Chips */
.product-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  padding-top: var(--space-3);
}

.product-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.75rem;
  background: var(--canvas);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-main);
  transition: all var(--duration-fast) var(--ease-out);
}

.product-chip:hover {
  border-color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.product-chip-icon {
  font-size: 1rem !important;
  color: var(--text-muted);
}

/* Tooltips */
.tooltip-term {
  position: relative;
  color: var(--color-blue);
  border-bottom: 1px dashed var(--color-blue);
  cursor: help;
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--color-gray-900);
  color: white;
  padding: var(--space-3) var(--space-4);
  border-radius: 4px;
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
  z-index: 1000;
  max-width: 300px;
  white-space: normal;
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-gray-900);
}

.tooltip-term:hover .tooltip-content {
  opacity: 1;
}

/* Callout Boxes */
.callout {
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  border-left: 4px solid;
  background: var(--canvas);
}

.callout-note { border-left-color: var(--color-blue); }
.callout-tip { border-left-color: var(--color-green); }
.callout-warning { border-left-color: var(--color-orange); }

.callout-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.callout-header .material-icons {
  font-size: 1.125rem !important;
}

.callout-note .callout-header { color: var(--color-blue); }
.callout-tip .callout-header { color: var(--color-green); }
.callout-warning .callout-header { color: var(--color-orange); }

.callout p {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-muted);
}

.callout p:last-child {
  margin-bottom: 0;
}

/* Image Placeholder */
.chunk-image {
  margin: var(--space-6) 0;
  background: var(--canvas);
  border: 1px solid var(--border);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--text-muted);
}

.chunk-image .material-icons {
  font-size: 3rem !important;
  opacity: 0.3;
}

.chunk-image-caption {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
  padding: 0 var(--space-4);
}

/* Code Block */
.code-block {
  background: var(--color-gray-900);
  color: var(--color-gray-100);
  padding: var(--space-5);
  border-radius: 4px;
  margin: var(--space-5) 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Step-by-Step Task */
.task-steps {
  counter-reset: step-counter;
  list-style: none;
  padding-left: 0;
}

.task-step {
  position: relative;
  padding-left: 3rem;
  margin-bottom: var(--space-6);
  counter-increment: step-counter;
}

.task-step::before {
  content: counter(step-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 2rem;
  height: 2rem;
  background: var(--canvas);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.task-step h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-main);
}

/* Reference Table */
.reference-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-5) 0;
  font-size: 0.875rem;
}

.reference-table th,
.reference-table td {
  text-align: left;
  padding: var(--space-3);
  border: 1px solid var(--border);
}

.reference-table th {
  background: var(--canvas);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.reference-table tbody tr:hover {
  background: var(--canvas);
}

/* Guide Footer Nav */
.guide-footer {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.guide-footer-nav {
  display: flex;
  gap: var(--space-4);
}

.guide-footer-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--canvas);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  transition: all var(--duration-fast) var(--ease-out);
}

.guide-footer-link:hover {
  border-color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}