/* 
 * TRIZ Tutorial & Resources Styles
 * 
 * This stylesheet provides comprehensive styling for the tutorial and
 * resources components of the TRIZ application, enhancing usability
 * and visual appeal while maintaining consistency with the app design.
 */

:root {
  /* Base colors - light mode */
  --tutorial-primary: #3b82f6;
  --tutorial-primary-hover: #2563eb;
  --tutorial-accent: #8b5cf6;
  --tutorial-success: #10b981;
  --tutorial-warning: #f59e0b;
  --tutorial-error: #ef4444;
  
  /* Surface colors - light mode */
  --tutorial-bg-surface: #ffffff;
  --tutorial-bg-subtle: #f3f4f6;
  --tutorial-bg-subtle-hover: #e5e7eb;
  
  /* Text colors - light mode */
  --tutorial-text-primary: #111827;
  --tutorial-text-secondary: #4b5563;
  --tutorial-text-tertiary: #9ca3af;
  --tutorial-text-on-primary: #ffffff;
  
  /* Border colors - light mode */
  --tutorial-border: #e5e7eb;
  --tutorial-border-hover: #d1d5db;
  
  /* Shadow colors - light mode */
  --tutorial-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --tutorial-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --tutorial-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Spacing */
  --tutorial-spacing-xs: 0.25rem;
  --tutorial-spacing-sm: 0.5rem;
  --tutorial-spacing-md: 1rem;
  --tutorial-spacing-lg: 1.5rem;
  --tutorial-spacing-xl: 2rem;
  
  /* Transitions */
  --tutorial-transition-fast: 150ms ease-in-out;
  --tutorial-transition-normal: 250ms ease-in-out;
  
  /* Border radius */
  --tutorial-radius-sm: 0.25rem;
  --tutorial-radius-md: 0.375rem;
  --tutorial-radius-lg: 0.5rem;
  --tutorial-radius-xl: 0.75rem;
  --tutorial-radius-full: 9999px;
}

/* Dark mode overrides */
.dark {
  /* Surface colors - dark mode */
  --tutorial-bg-surface: #1f2937;
  --tutorial-bg-subtle: #111827;
  --tutorial-bg-subtle-hover: #374151;
  
  /* Text colors - dark mode */
  --tutorial-text-primary: #f3f4f6;
  --tutorial-text-secondary: #d1d5db;
  --tutorial-text-tertiary: #9ca3af;
  
  /* Border colors - dark mode */
  --tutorial-border: #374151;
  --tutorial-border-hover: #4b5563;
  
  /* Shadow colors - dark mode - slightly more intense */
  --tutorial-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --tutorial-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
  --tutorial-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

/*
 * =================================================================
 * SHARED COMPONENTS
 * =================================================================
 */

/* Utility class for applying common transitions */
.tutorial-transition,
.resources-transition {
  transition: all var(--tutorial-transition-normal);
}

/* Buttons used in both tutorial and resources */
.tutorial-btn,
.resources-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--tutorial-spacing-sm) var(--tutorial-spacing-md);
  border-radius: var(--tutorial-radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--tutorial-transition-fast);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.tutorial-btn-primary,
.resources-btn-primary {
  background-color: var(--tutorial-primary);
  color: var(--tutorial-text-on-primary);
}

.tutorial-btn-primary:hover,
.resources-btn-primary:hover {
  background-color: var(--tutorial-primary-hover);
}

.tutorial-btn-outline,
.resources-btn-outline {
  background-color: transparent;
  border-color: var(--tutorial-primary);
  color: var(--tutorial-primary);
}

.tutorial-btn-outline:hover,
.resources-btn-outline:hover {
  background-color: var(--tutorial-primary);
  color: var(--tutorial-text-on-primary);
}

.tutorial-btn-ghost,
.resources-btn-ghost {
  background-color: transparent;
  color: var(--tutorial-text-primary);
}

.tutorial-btn-ghost:hover,
.resources-btn-ghost:hover {
  background-color: var(--tutorial-bg-subtle);
}

/*
 * =================================================================
 * TUTORIAL STYLES
 * =================================================================
 */

/* Tutorial button in header */
#tutorial-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--tutorial-radius-md);
  background-color: transparent;
  color: var(--tutorial-text-primary);
  cursor: pointer;
  transition: all var(--tutorial-transition-fast);
}

#tutorial-button:hover {
  background-color: var(--tutorial-bg-subtle);
}

#tutorial-button.active {
  background-color: var(--tutorial-primary);
  color: var(--tutorial-text-on-primary);
}

#tutorial-button .tooltip-content {
  position: absolute;
  bottom: -2.25rem;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--tutorial-spacing-xs) var(--tutorial-spacing-sm);
  background-color: var(--tutorial-bg-surface);
  color: var(--tutorial-text-primary);
  border-radius: var(--tutorial-radius-sm);
  box-shadow: var(--tutorial-shadow-md);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--tutorial-transition-fast);
  border: 1px solid var(--tutorial-border);
  z-index: 1000;
}

#tutorial-button:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
}

/* Welcome modal styles */
#tutorial-welcome-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
}

#tutorial-welcome-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

#tutorial-welcome-container {
  position: relative;
  width: 100%;
  max-width: 550px;
  background-color: var(--tutorial-bg-surface);
  border-radius: var(--tutorial-radius-lg);
  overflow: hidden;
  box-shadow: var(--tutorial-shadow-lg);
  display: flex;
  flex-direction: column;
  margin: 0 var(--tutorial-spacing-md);
}

#tutorial-welcome-header {
  position: relative;
  padding: var(--tutorial-spacing-lg);
  background: linear-gradient(135deg, var(--tutorial-primary), var(--tutorial-accent));
  color: var(--tutorial-text-on-primary);
}

#tutorial-welcome-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--tutorial-spacing-sm);
}

#tutorial-welcome-header p {
  opacity: 0.9;
  font-size: 1rem;
}

#tutorial-welcome-header::after {
  content: '';
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

#tutorial-welcome-content {
  padding: var(--tutorial-spacing-lg);
}

#tutorial-welcome-features {
  margin: var(--tutorial-spacing-md) 0;
}

.tutorial-feature-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--tutorial-spacing-md);
}

.tutorial-feature-icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: var(--tutorial-radius-md);
  background-color: var(--tutorial-primary);
  color: var(--tutorial-text-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--tutorial-spacing-md);
}

.tutorial-feature-text h3 {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--tutorial-text-primary);
}

.tutorial-feature-text p {
  color: var(--tutorial-text-secondary);
  font-size: 0.875rem;
}

#tutorial-welcome-footer {
  padding: var(--tutorial-spacing-md) var(--tutorial-spacing-lg);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--tutorial-border);
}

#tutorial-welcome-footer button {
  padding: var(--tutorial-spacing-sm) var(--tutorial-spacing-md);
  border-radius: var(--tutorial-radius-md);
  font-weight: 500;
  cursor: pointer;
}

#tutorial-welcome-skip {
  background-color: transparent;
  color: var(--tutorial-text-secondary);
}

#tutorial-welcome-skip:hover {
  color: var(--tutorial-text-primary);
}

#tutorial-welcome-start {
  background-color: var(--tutorial-primary);
  color: var(--tutorial-text-on-primary);
}

#tutorial-welcome-start:hover {
  background-color: var(--tutorial-primary-hover);
}

/* Shepherd tour customization */
.shepherd-element {
  max-width: 400px;
  font-family: inherit;
  border-radius: var(--tutorial-radius-lg);
  background-color: var(--tutorial-bg-surface);
  color: var(--tutorial-text-primary);
  border: 1px solid var(--tutorial-border);
  box-shadow: var(--tutorial-shadow-lg);
  z-index: 10000;
  overflow: hidden;
}

.shepherd-header {
  background: transparent;
  padding: var(--tutorial-spacing-md) var(--tutorial-spacing-md) 0;
  border: none;
}

.shepherd-title {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--tutorial-text-primary);
}

.shepherd-text {
  padding: var(--tutorial-spacing-md);
  color: var(--tutorial-text-secondary);
  font-size: 0.925rem;
  line-height: 1.6;
}

.shepherd-footer {
  padding: 0 var(--tutorial-spacing-md) var(--tutorial-spacing-md);
  border: none;
  display: flex;
  justify-content: space-between;
}

.shepherd-button {
  margin: 0 0.25rem;
  padding: var(--tutorial-spacing-sm) var(--tutorial-spacing-md);
  border-radius: var(--tutorial-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--tutorial-transition-fast);
}

.shepherd-button-primary {
  background-color: var(--tutorial-primary);
  color: var(--tutorial-text-on-primary);
}

.shepherd-button-primary:hover {
  background-color: var(--tutorial-primary-hover);
}

.shepherd-button-secondary {
  background-color: var(--tutorial-bg-subtle);
  color: var(--tutorial-text-primary);
}

.shepherd-button-secondary:hover {
  background-color: var(--tutorial-bg-subtle-hover);
}

.shepherd-arrow:before {
  background-color: var(--tutorial-bg-surface);
}

.shepherd-modal-overlay-container {
  background-color: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(2px);
  z-index: 9999;
}

.shepherd-target-click-disabled,
.shepherd-modal-overlay-container {
  pointer-events: all !important;
}

.shepherd-highlight {
  box-shadow: 0 0 0 4px var(--tutorial-primary), 0 0 0 999px rgba(0, 0, 0, 0.2);
  border-radius: var(--tutorial-radius-md);
  z-index: 9999;
}

/* Completion message styles */
#tutorial-completion {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10002;
}

#tutorial-completion-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

#tutorial-completion-container {
  position: relative;
  width: 100%;
  max-width: 500px;
  background-color: var(--tutorial-bg-surface);
  border-radius: var(--tutorial-radius-lg);
  overflow: hidden;
  box-shadow: var(--tutorial-shadow-lg);
  display: flex;
  flex-direction: column;
  margin: 0 var(--tutorial-spacing-md);
  transform: scale(0.95);
  opacity: 0;
  animation: tutorial-completion-appear 0.3s forwards ease-out;
}

@keyframes tutorial-completion-appear {
  to {
    transform: scale(1);
    opacity: 1;
  }
}

#tutorial-completion-content {
  text-align: center;
  padding: var(--tutorial-spacing-xl);
}

#tutorial-completion-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--tutorial-spacing-md);
  background-color: var(--tutorial-success);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

#tutorial-completion-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--tutorial-spacing-md);
  color: var(--tutorial-text-primary);
}

#tutorial-completion-message {
  color: var(--tutorial-text-secondary);
  margin-bottom: var(--tutorial-spacing-lg);
}

#tutorial-completion-points {
  background: linear-gradient(135deg, var(--tutorial-primary), var(--tutorial-accent));
  color: white;
  padding: var(--tutorial-spacing-sm) var(--tutorial-spacing-md);
  border-radius: var(--tutorial-radius-full);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  margin-bottom: var(--tutorial-spacing-md);
}

#tutorial-completion-points i {
  margin-right: var(--tutorial-spacing-xs);
}

#tutorial-completion-footer {
  padding: var(--tutorial-spacing-md) var(--tutorial-spacing-lg);
  display: flex;
  justify-content: center;
  border-top: 1px solid var(--tutorial-border);
}

#tutorial-completion-close {
  background-color: var(--tutorial-primary);
  color: var(--tutorial-text-on-primary);
  padding: var(--tutorial-spacing-sm) var(--tutorial-spacing-xl);
  border-radius: var(--tutorial-radius-md);
  font-weight: 500;
  cursor: pointer;
}

#tutorial-completion-close:hover {
  background-color: var(--tutorial-primary-hover);
}

/* Context help styles */
.context-help {
  display: inline-flex;
  align-items: center;
  color: var(--tutorial-text-tertiary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--tutorial-transition-fast);
  margin-left: var(--tutorial-spacing-sm);
}

.context-help:hover {
  color: var(--tutorial-primary);
}

.context-help i {
  margin-right: var(--tutorial-spacing-xs);
}

/* Tutorial location hint styles */
#tutorial-location-hint,
#button-locations-hint {
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--tutorial-transition-normal);
}

.tutorial-hint-bubble {
  position: relative;
}

.tutorial-hint-arrow {
  position: absolute;
  top: -8px;
  right: 20px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid var(--tutorial-primary);
}

/* Mobile optimizations for tutorial */
@media (max-width: 640px) {
  .shepherd-element {
    max-width: 90%;
    min-width: 260px;
  }
  
  .shepherd-text {
    font-size: 0.875rem;
    padding: var(--tutorial-spacing-sm);
  }
  
  .shepherd-footer {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--tutorial-spacing-sm);
  }
  
  #tutorial-welcome-container,
  #tutorial-completion-container {
    max-width: 95%;
  }
  
  #tutorial-welcome-header,
  #tutorial-welcome-content,
  #tutorial-completion-content {
    padding: var(--tutorial-spacing-md);
  }
  
  .tutorial-feature-icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: var(--tutorial-spacing-sm);
  }
  
  #tutorial-location-hint,
  #button-locations-hint {
    right: 10px !important;
    left: 10px;
    max-width: calc(100vw - 20px);
  }
}

/*
 * =================================================================
 * RESOURCES STYLES
 * =================================================================
 */

/* Resources button in header */
#resources-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--tutorial-radius-md);
  background-color: transparent;
  color: var(--tutorial-text-primary);
  cursor: pointer;
  transition: all var(--tutorial-transition-fast);
}

#resources-button:hover {
  background-color: var(--tutorial-bg-subtle);
}

#resources-button .tooltip-content {
  position: absolute;
  bottom: -2.25rem;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--tutorial-spacing-xs) var(--tutorial-spacing-sm);
  background-color: var(--tutorial-bg-surface);
  color: var(--tutorial-text-primary);
  border-radius: var(--tutorial-radius-sm);
  box-shadow: var(--tutorial-shadow-md);
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--tutorial-transition-fast);
  border: 1px solid var(--tutorial-border);
  z-index: 1000;
}

#resources-button:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
}

/* Resources modal styles */
#resources-modal {
  border-radius: var(--tutorial-radius-lg);
  overflow: hidden;
}

.resources-modal {
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.resources-modal header {
  display: flex;
  flex-direction: column;
  gap: var(--tutorial-spacing-md);
  margin-bottom: var(--tutorial-spacing-lg);
  flex-shrink: 0;
}

.resources-modal header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.resources-modal .tabs-container {
  overflow: hidden;
}

.resources-modal .tabs {
  display: flex;
  padding: var(--tutorial-spacing-xs);
  background-color: var(--tutorial-bg-subtle);
  border-radius: var(--tutorial-radius-full);
}

.resources-modal .tab {
  padding: var(--tutorial-spacing-xs) var(--tutorial-spacing-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--tutorial-text-secondary);
  border-radius: var(--tutorial-radius-full);
  cursor: pointer;
  transition: all var(--tutorial-transition-fast);
}

.resources-modal .tab:hover {
  color: var(--tutorial-text-primary);
}

.resources-modal .tab.tab-active {
  background-color: var(--tutorial-primary);
  color: var(--tutorial-text-on-primary);
}

.resource-content {
  color: var(--tutorial-text-primary);
  flex: 1;
  overflow-y: auto;
}

.category-header {
  margin-bottom: var(--tutorial-spacing-lg);
}

.category-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--tutorial-spacing-sm);
}

.category-header p {
  color: var(--tutorial-text-secondary);
  font-size: 0.875rem;
}

.resources-list {
  margin-bottom: var(--tutorial-spacing-lg);
}

.resource-item {
  margin-bottom: var(--tutorial-spacing-md);
  border: 1px solid var(--tutorial-border);
  border-radius: var(--tutorial-radius-md);
  overflow: hidden;
  transition: all var(--tutorial-transition-fast);
}

.resource-item:hover {
  border-color: var(--tutorial-border-hover);
  box-shadow: var(--tutorial-shadow-sm);
}

.resource-item.highlight {
  border-color: var(--tutorial-primary);
  box-shadow: 0 0 0 1px var(--tutorial-primary);
}

.resource-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--tutorial-spacing-md);
  cursor: pointer;
  background-color: var(--tutorial-bg-subtle);
  transition: all var(--tutorial-transition-fast);
}

.resource-item-header:hover {
  background-color: var(--tutorial-bg-subtle-hover);
}

.resource-item-header h4 {
  font-weight: 500;
  font-size: 0.975rem;
}

.resource-item-header i {
  font-size: 0.75rem;
  color: var(--tutorial-text-secondary);
  transition: all var(--tutorial-transition-fast);
}

.resource-item.expanded .resource-item-header i {
  transform: rotate(180deg);
}

.resource-item-content {
  padding: var(--tutorial-spacing-md);
  background-color: var(--tutorial-bg-surface);
  max-height: 0;
  overflow: hidden;
  transition: all var(--tutorial-transition-normal);
  opacity: 0;
}

.resource-item.expanded .resource-item-content {
  max-height: 1000px;
  opacity: 1;
}

.resource-item-content p {
  margin-bottom: var(--tutorial-spacing-md);
  color: var(--tutorial-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.resource-item-content h5 {
  font-weight: 500;
  margin-bottom: var(--tutorial-spacing-xs);
  color: var(--tutorial-text-primary);
  font-size: 0.9rem;
}

.resource-item-content ul,
.resource-item-content ol {
  margin-bottom: var(--tutorial-spacing-md);
  padding-left: var(--tutorial-spacing-lg);
}

.resource-item-content li {
  margin-bottom: var(--tutorial-spacing-xs);
  color: var(--tutorial-text-secondary);
  font-size: 0.875rem;
}

.resource-item-content .font-mono {
  background-color: var(--tutorial-bg-subtle);
  padding: var(--tutorial-spacing-sm);
  border-radius: var(--tutorial-radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

.downloads-section {
  padding-top: var(--tutorial-spacing-md);
  border-top: 1px solid var(--tutorial-border);
}

.downloads-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--tutorial-spacing-md);
}

.download-link {
  display: inline-flex;
  align-items: center;
  padding: var(--tutorial-spacing-sm);
  background-color: var(--tutorial-bg-subtle);
  border-radius: var(--tutorial-radius-md);
  font-size: 0.875rem;
  color: var(--tutorial-text-primary);
  text-decoration: none;
  transition: all var(--tutorial-transition-fast);
}

.download-link:hover {
  background-color: var(--tutorial-bg-subtle-hover);
}

.download-link i {
  margin-right: var(--tutorial-spacing-sm);
  color: var(--tutorial-primary);
}

/* Learn More contextual links */
.learn-more-link {
  display: inline-flex;
  align-items: center;
  color: var(--tutorial-primary);
  font-size: 0.75rem;
  margin-left: var(--tutorial-spacing-sm);
  text-decoration: none;
  transition: all var(--tutorial-transition-fast);
}

.learn-more-link:hover {
  text-decoration: underline;
}

.learn-more-link i {
  margin-right: var(--tutorial-spacing-xs);
  font-size: 0.7rem;
}

/* Mobile optimizations for resources */
@media (max-width: 640px) {
  .resources-modal header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--tutorial-spacing-sm);
  }
  
  .resources-modal .tabs {
    width: 100%;
  }
  
  .resources-modal .tab {
    flex: 1;
    text-align: center;
    font-size: 0.8rem;
    padding: var(--tutorial-spacing-xs) var(--tutorial-spacing-xs);
  }
  
  .download-link {
    display: flex;
    width: 100%;
    margin-bottom: var(--tutorial-spacing-sm);
  }
}