/*
    ██████╗ ██╗  ██╗ █████╗ ███╗   ██╗████████╗ ██████╗ ███╗   ███╗
    ██╔══██╗██║  ██║██╔══██╗████╗  ██║╚══██╔══╝██╔═══██╗████╗ ████║
    ██████╔╝███████║███████║██╔██╗ ██║   ██║   ██║   ██║██╔████╔██║
    ██╔═══╝ ██╔══██║██╔══██║██║╚██╗██║   ██║   ██║   ██║██║╚██╔╝██║
    ██║     ██║  ██║██║  ██║██║ ╚████║   ██║   ╚██████╔╝██║ ╚═╝ ██║
    ╚═╝     ╚═╝  ╚═╝╚═╝  ╚═╝╚═╝  ╚═══╝   ╚═╝    ╚═════╝ ╚═╝     ╚═╝
    Copyright (c) 2025 Rıza Emre ARAS <r.emrearas@proton.me>
*/
/* =================================================================
   PHANTOM DOCUMENTATION KIT - CUSTOM COMPONENTS CSS
   ================================================================= */
/* =================================================================
   TABLE OF CONTENTS
   =================================================================
   1. CHART COMPONENTS
      - Chart Container
      - Chart Card Component
      - Charts Grid Layout
      - Chart Variants
      - Chart Stats Cards
      - Chart Responsive Design
      - Chart Rotate Indicator
      
   2. STATUS & TEST COMPONENTS
      - Test Status Grid
      - Test Status Cards
      
   3. TERMINAL & CODE COMPONENTS
      - Terminal Block
      - Command Example
      
   4. MODULE & FEATURE COMPONENTS
      - Module Card
      - Feature List
      
   5. PROGRESS & LOADING COMPONENTS
      - Progress Indicator
      - Player Spinner
      
   6. ALERT & NOTIFICATION COMPONENTS
      - Alert Box
      
   7. MEDIA PLAYER COMPONENTS
      - Asciinema Player
      - YouTube Player
      
   8. IMAGE COMPONENTS
      - Image Container
      - Image Grid
      - Lightbox
      - Image Responsive Design
      
   9. RESPONSIVE DESIGN
      - Mobile Optimizations
      - Tablet Optimizations
      
   10. UTILITY CLASSES
       - Helper Classes
       - Print Styles
   ================================================================= */

/* =================================================================
   1. CHART COMPONENTS
   ================================================================= */

/* Chart Container - Following Chart.js responsive best practices */
.chart-container {
  position: relative;
  margin: 2rem 0;
  padding: 1rem;
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 8px;
  height: 40vh;
  min-height: 300px;
  max-height: 500px;
  width: 100%;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  overflow: hidden; /* Prevent rotate indicator from overflowing */
}

.chart-container canvas {
  display: block;
  box-sizing: border-box;
  flex: 1;
  min-height: 0;
}

.chart-title {
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 1rem 0;
  color: var(--phantom-text-primary);
  text-align: center;
  flex-shrink: 0;
}

/* Chart Card Component */
.chart-card {
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 8px;
  margin: 2rem 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.chart-card:hover {
  border-color: var(--phantom-accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.chart-card-header {
  padding: 1rem 1.5rem;
  background-color: var(--phantom-bg-primary);
  border-bottom: 1px solid var(--phantom-border);
}

.chart-card-header h4 {
  margin: 0;
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--phantom-text-primary);
}

.chart-card .chart-container {
  margin: 0;
  border: none;
  border-radius: 0;
  background-color: transparent;
  height: 35vh;
  min-height: 250px;
}

/* Charts Grid Layout */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.chart-item {
  display: flex;
  flex-direction: column;
}

.chart-item.full-width {
  grid-column: 1 / -1;
}

.chart-item .chart-container {
  flex: 1;
  height: 35vh;
  min-height: 250px;
}

/* Small Chart Variant */
.chart-container.small {
  height: 30vh;
  min-height: 200px;
  max-height: 300px;
  padding: 0.75rem;
}

.chart-container.small .chart-title {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

/* Chart Loading State */
.chart-container::before {
  content: 'Loading Chart...';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--phantom-text-secondary);
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 0.875rem;
  z-index: 1;
}

.chart-container:has(canvas)::before {
  display: none;
}

/* Chart Stats Cards */
.chart-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin: 1rem 0 2rem 0;
}

.chart-stat-card {
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 6px;
  padding: 1rem;
  text-align: center;
  transition: all 0.3s ease;
}

.chart-stat-card:hover {
  border-color: var(--phantom-accent);
  transform: translateY(-1px);
}

.chart-stat-value {
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.25rem;
  color: var(--phantom-text-primary);
}

.chart-stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--phantom-text-secondary);
  font-weight: 500;
}

/* Chart Responsive Design */
@media (max-width: 768px) {
  .charts-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .chart-container.small {
    height: 40vw;
    min-height: 200px;
  }
  
  .chart-item.full-width {
    grid-column: 1;
  }
  
  .chart-container {
    height: 50vw;
    min-height: 250px;
    max-height: 350px;
    padding: 0.75rem;
  }
  
  .chart-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Chart Rotate Indicator for Mobile */
.chart-rotate-indicator {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: var(--phantom-bg-primary);
  opacity: 0.98;
  border-radius: 8px;
  z-index: 100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease, opacity 0.3s ease;
}

.chart-rotate-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  color: var(--phantom-accent);
  animation: rotatePhone 2s ease-in-out infinite;
}

.rotate-message {
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--phantom-text-primary);
  margin: 0;
  text-align: center;
  padding: 0 1rem;
}

@keyframes rotatePhone {
  0%, 10%, 90%, 100% {
    transform: rotate(0deg);
  }
  40%, 60% {
    transform: rotate(90deg);
  }
}

/* Show indicator only in portrait mode on mobile */
@media (max-width: 768px) and (orientation: portrait) {
  .chart-container {
    position: relative;
  }
  
  .chart-container canvas {
    opacity: 0.1;
    filter: blur(2px);
    transition: all 0.3s ease;
  }
  
  .chart-container .chart-rotate-indicator {
    display: flex;
  }
  
  .chart-container .chart-title {
    opacity: 0.3;
  }
}

/* Hide indicator in landscape mode */
@media (orientation: landscape) {
  .chart-rotate-indicator {
    display: none !important;
  }
  
  .chart-container canvas {
    opacity: 1 !important;
    filter: none !important;
  }
  
  .chart-container .chart-title {
    opacity: 1 !important;
  }
}

/* Ensure proper z-index stacking */
.chart-container {
  position: relative;
  z-index: 1;
}

/* Small chart variant adjustments */
.chart-container.small .chart-rotate-indicator {
  padding: 1.5rem;
}

.chart-container.small .chart-rotate-icon {
  width: 40px;
  height: 40px;
}

.chart-container.small .rotate-message {
  font-size: 0.75rem;
}

/* =================================================================
   2. STATUS & TEST COMPONENTS
   ================================================================= */

/* Test Status Grid */
.phantom-test-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.phantom-test-status-card {
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.phantom-test-status-card:hover {
  border-color: var(--phantom-accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.phantom-test-status-card.success::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: #20c997;
}

.phantom-test-status-card.error::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: #dc3545;
}

.phantom-test-status-card.warning::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: #fd7e14;
}

.phantom-test-status-value {
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin: 0.5rem 0;
}

.phantom-test-status-label {
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--phantom-text-secondary);
}

/* Status card icon colors */
.phantom-test-status-card.success i {
  color: #20c997;
}

.phantom-test-status-card.error i {
  color: #dc3545;
}

.phantom-test-status-card.warning i {
  color: #fd7e14;
}

.phantom-test-status-card.info i {
  color: var(--phantom-info);
}

/* Status Card Responsive */
@media (max-width: 768px) {
  .phantom-test-status-grid {
    gap: 0.75rem;
    margin: 1.5rem 0;
  }
  
  .phantom-test-status-card {
    padding: 1rem;
  }
}

/* =================================================================
   3. TERMINAL & CODE COMPONENTS
   ================================================================= */

/* Terminal Block */
.terminal-block {
  background-color: #0d1117;
  border: 1px solid var(--phantom-border);
  border-radius: 4px;
  padding: 1rem;
  margin: 1rem 0;
  font-family: var(--phantom-font-mono), monospace;
  position: relative;
  overflow-x: auto;
  max-width: 100%;
  white-space: pre;
  word-wrap: normal;
}

.terminal-block::before {
  content: "TERMINAL";
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--phantom-accent);
  color: white;
  padding: 0.25rem 0.75rem;
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 0 4px 0 4px;
}

.terminal-line {
  margin: 0.25rem 0;
  line-height: 1.4;
}

.terminal-line.success {
  color: #20c997;
}

.terminal-line.error {
  color: #dc3545;
}

.terminal-line.warning {
  color: #fd7e14;
}

.terminal-line.info {
  color: var(--phantom-info);
}

/* Command Example */
.phantom-command-example {
  background-color: var(--phantom-bg-tertiary);
  border: 1px solid var(--phantom-border);
  border-radius: 4px;
  padding: 1rem;
  margin: 1rem 0;
  font-family: var(--phantom-font-mono), monospace;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  overflow-x: auto;
}

.command-prompt {
  color: var(--phantom-accent);
  font-weight: 600;
  flex-shrink: 0;
}

.command-text {
  flex: 1;
  color: var(--phantom-text-primary);
  white-space: pre;
  overflow-x: auto;
  min-width: 0;
}

.command-copy {
  background-color: var(--phantom-accent);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 0.25rem 0.75rem;
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.command-copy:hover {
  background-color: var(--phantom-info);
}

/* Command Example Mobile Optimization */
@media (max-width: 768px) {
  .phantom-command-example {
    flex-direction: row;
    flex-wrap: nowrap;
    padding: 0.75rem;
    gap: 0.75rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .command-prompt {
    flex-shrink: 0;
    align-self: flex-start;
  }
  
  .command-text {
    white-space: pre;
    overflow-x: visible;
    flex: 1;
    min-width: 0;
  }
  
  .command-copy {
    align-self: flex-start;
    flex-shrink: 0;
    min-width: 44px;
    min-height: 44px;
  }
}

/* =================================================================
   4. MODULE & FEATURE COMPONENTS
   ================================================================= */

/* Module Card */
.phantom-module-card {
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
  transition: all 0.3s ease;
}

.phantom-module-card:hover {
  border-color: var(--phantom-accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.phantom-module-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.phantom-module-card-title {
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--phantom-accent);
}

.phantom-module-card-duration {
  font-family: var(--phantom-font-mono), monospace;
  font-size: 0.875rem;
  color: var(--phantom-text-secondary);
  background-color: var(--phantom-bg-tertiary);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
}

.phantom-module-card-description {
  font-family: var(--phantom-font-mono), monospace;
  line-height: 1.6;
  color: var(--phantom-text-secondary);
}

/* Feature List */
.phantom-feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
  list-style: none;
  padding: 0;
}

.feature-item {
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  transition: all 0.3s ease;
}

.feature-item:hover {
  border-color: var(--phantom-accent);
}

.feature-icon {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--phantom-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
}

.feature-content {
  flex: 1;
}

.feature-title {
  font-family: var(--phantom-font-heading), sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.feature-description {
  font-family: var(--phantom-font-mono), monospace;
  font-size: 0.875rem;
  color: var(--phantom-text-secondary);
  line-height: 1.4;
}

/* Feature Grid Tablet Optimization */
@media (max-width: 1024px) and (min-width: 768px) {
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .feature-icon {
    font-size: 1.25rem;
    width: 2rem;
    height: 2rem;
  }
  
  .feature-item {
    padding: 0.75rem;
  }
}

/* =================================================================
   5. PROGRESS & LOADING COMPONENTS
   ================================================================= */

/* Progress Indicator */
.phantom-progress-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0;
}

.progress-step {
  flex: 1;
  height: 4px;
  background-color: var(--phantom-bg-tertiary);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.progress-step.completed {
  background-color: #20c997;
}

.progress-step.active {
  background-color: var(--phantom-accent);
}

.progress-step.active::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: progress-shimmer 1.5s infinite;
}

@keyframes progress-shimmer {
  to {
    left: 100%;
  }
}

/* Player Spinner Styles */
.player-spinner {
  width: 40px;
  height: 40px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  pointer-events: none;
}

.spinner-inner {
  width: 100%;
  height: 100%;
  border: 3px solid rgba(74, 158, 255, 0.2);
  border-top-color: var(--phantom-accent, #4a9eff);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Small spinner variant */
.player-spinner[style*="width: 16px"] .spinner-inner {
  border-width: 2px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Loading Animation Performance */
@media (max-width: 768px) {
  @media (prefers-reduced-motion: reduce) {
    .spinner-inner,
    .player-spinner::before,
    .player-spinner::after {
      animation: none;
      border-color: var(--phantom-accent);
    }
    
    .progress-step.active::after {
      animation: none;
    }
  }
}

/* =================================================================
   6. ALERT & NOTIFICATION COMPONENTS
   ================================================================= */

/* Alert Box */
.phantom-alert {
  border-radius: 8px;
  margin: 1rem 0;
  border: 1px solid;
  position: relative;
  padding: 1rem 1.5rem 1rem 3.5rem;
}

.phantom-alert i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
}

.phantom-alert.success {
  background-color: rgba(32, 201, 151, 0.1);
  border-color: #20c997;
  color: #20c997;
}

.phantom-alert.error {
  background-color: rgba(220, 53, 69, 0.1);
  border-color: #dc3545;
  color: #dc3545;
}

.phantom-alert.warning {
  background-color: rgba(253, 126, 20, 0.1);
  border-color: #fd7e14;
  color: #fd7e14;
}

.phantom-alert.info {
  background-color: rgba(23, 162, 184, 0.1);
  border-color: var(--phantom-info);
  color: var(--phantom-info);
}

/* =================================================================
   7. MEDIA PLAYER COMPONENTS
   ================================================================= */

/* Ensure players have proper container setup */
.asciinema-player,
.youtube-player {
  position: relative;
  overflow: hidden;
  background-color: var(--phantom-bg-secondary, #f0f0f0);
}

.asciinema-player.loading,
.youtube-player.loading {
  min-height: 200px;
}

/* YouTube responsive container */
.youtube-player-responsive {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
}

.youtube-player-responsive iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Asciinema player responsive */
@media (max-width: 768px) {
  .asciinema-player {
    font-size: 12px;
  }
  
  .asciinema-player-wrapper {
    padding: 0.5rem;
  }
}

/* =================================================================
   8. IMAGE COMPONENTS
   ================================================================= */

/* Image Container - Following existing component patterns */
.phantom-image-container {
  position: relative;
  margin: 2rem 0;
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  display: block;
}

.phantom-image-container:hover {
  border-color: var(--phantom-accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

/* Image Element */
.phantom-image {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.phantom-image.loaded {
  opacity: 1;
}

/* Loading Placeholder */
.phantom-image-loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  min-height: 200px;
  gap: 1rem;
  z-index: 1;
}

/* Container with loading state needs minimum height */
.phantom-image-container:has(.phantom-image-loading) {
  min-height: 200px;
}

/* Container with error state needs minimum height */
.phantom-image-container:has(.phantom-image-error) {
  min-height: 200px;
}

.phantom-image-loading i {
  font-size: 2rem;
  color: var(--phantom-accent, #4a9eff);
}

.phantom-image-loading .loading-text {
  color: var(--phantom-text-secondary);
  font-family: var(--phantom-font-heading), sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Image Caption */
.phantom-image-caption {
  padding: 1rem 1.5rem;
  background-color: var(--phantom-bg-primary);
  border-top: 1px solid var(--phantom-border);
  font-family: var(--phantom-font-mono), monospace;
  font-size: 0.875rem;
  color: var(--phantom-text-secondary);
  text-align: center;
}

/* Size Variants */
.phantom-image-container.small {
  max-width: 300px;
}

.phantom-image-container.medium {
  max-width: 600px;
}

.phantom-image-container.large {
  max-width: 900px;
}

.phantom-image-container.full {
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
}

/* Position Variants */
.phantom-image-container[data-position="left"] {
  float: left;
  margin-right: 1.5rem;
  margin-bottom: 1rem;
  margin-top: 0.5rem;
}

.phantom-image-container[data-position="right"] {
  float: right;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  margin-top: 0.5rem;
}

.phantom-image-container[data-position="center"] {
  margin-left: auto;
  margin-right: auto;
  display: block;
  float: none;
}

/* Clear float helper */
.phantom-clear {
  clear: both;
}

/* Image Grid Layout */
.phantom-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.phantom-image-grid .phantom-image-container {
  margin: 0;
}

/* Image Comparison Layout */
.phantom-image-comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.phantom-image-comparison .phantom-image-container {
  margin: 0;
}

/* Lightbox Overlay */
.phantom-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: zoom-out;
}

.phantom-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.phantom-lightbox-image {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  cursor: default;
}

.phantom-lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background-color: var(--phantom-bg-secondary);
  border: 1px solid var(--phantom-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--phantom-text-primary);
}

.phantom-lightbox-close:hover {
  background-color: var(--phantom-accent);
  color: white;
  transform: scale(1.1);
}

.phantom-lightbox-close svg {
  width: 24px;
  height: 24px;
}

/* Lightbox enabled indicator */
.phantom-image-container[data-lightbox="true"] {
  cursor: zoom-in;
}

/* Error state */
.phantom-image-error {
  color: var(--phantom-error, #dc3545);
  font-weight: 600;
  background-color: rgba(220, 53, 69, 0.1);
  border: 2px dashed var(--phantom-error, #dc3545);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  gap: 1rem;
}

.phantom-image-error i {
  font-size: 2.5rem;
  color: var(--phantom-error, #dc3545);
}

.phantom-image-error span {
  color: var(--phantom-error, #dc3545);
  font-weight: 600;
}

/* Failed Image Container */
.phantom-image-container.phantom-image-failed {
  cursor: default !important;
}

.phantom-image-container.phantom-image-failed:hover {
  transform: none !important;
  box-shadow: none !important;
}

/* Tutorial Step Layout */
.phantom-tutorial-step {
  margin: 2rem 0;
  overflow: auto;
}

.phantom-tutorial-step::after {
  content: "";
  display: table;
  clear: both;
}

/* Feature Showcase */
.phantom-feature-showcase {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin: 2rem 0;
}

.phantom-feature-showcase .feature-content {
  flex: 1;
}

/* Annotated Image */
.phantom-annotated-image {
  position: relative;
  margin: 2rem 0;
}

.phantom-annotations {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.phantom-annotations .annotation {
  position: absolute;
  background-color: var(--phantom-accent);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--phantom-font-heading), sans-serif;
  font-weight: 600;
  pointer-events: auto;
}

/* Image Responsive Design */
@media (max-width: 768px) {
  /* Stack floated images on mobile */
  .phantom-image-container[data-position="left"],
  .phantom-image-container[data-position="right"] {
    float: none;
    margin: 1rem auto;
  }
  
  /* Adjust grid on mobile */
  .phantom-image-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  /* Full width on mobile */
  .phantom-image-container.small,
  .phantom-image-container.medium {
    max-width: 100%;
  }
  
  /* Lightbox adjustments */
  .phantom-lightbox-image {
    max-width: 95%;
    max-height: 95%;
  }
  
  .phantom-lightbox-close {
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
  }
  
  /* Feature showcase stack on mobile */
  .phantom-feature-showcase {
    flex-direction: column;
  }
  
  /* Image comparison single column */
  .phantom-image-comparison {
    grid-template-columns: 1fr;
  }
}

/* =================================================================
   9. RESPONSIVE DESIGN - ADDITIONAL FIXES
   ================================================================= */

/* ASCII Art Container */
.ascii-art-container {
  overflow-x: auto;
  font-family: var(--phantom-font-mono), monospace;
  font-size: 0.75rem;
  line-height: 1.2;
  white-space: pre;
}

@media (max-width: 768px) {
  .ascii-art-container {
    font-size: 0.6rem;
    margin: 0 -1rem;
    padding: 1rem;
  }
}

/* =================================================================
   10. UTILITY CLASSES
   ================================================================= */

/* Utility classes */
.mb-2 {
  margin-bottom: 0.5rem;
}

/* =================================================================
   10.2 PRINT STYLES
   ================================================================= */

/* Print styles */
@media print {
  .phantom-image-container {
    break-inside: avoid;
    page-break-inside: avoid;
  }
  
  .phantom-image-loading {
    display: none;
  }
  
  .phantom-lightbox {
    display: none !important;
  }
}