/**
 * MobiDaS Tutorial - Component Styles
 * All UI components for the tutorial interface
 */

/* ═══════════════════════════════════════════════════════════════════════════
   NAVIGATION BAR
   ═══════════════════════════════════════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  left: 280px;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

/* Full-width navbar (homepage) */
.homepage .navbar {
  left: 0;
  position: sticky;
}

.navbar-container {
  width: 100%;
  padding: 0 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* For module pages, navbar is inside sidebar area, so full width */
.navbar:not(.homepage .navbar) .navbar-container {
  max-width: none;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.navbar-brand:hover {
  color: var(--color-primary);
}

.navbar-brand svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.navbar-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--color-primary);
}

.navbar-nav a.active {
  border-bottom-color: var(--color-primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-200);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
}

/* Theme toggle icons */
.icon-dark {
  display: none;
}

[data-theme="dark"] .icon-light {
  display: none;
}

[data-theme="dark"] .icon-dark {
  display: block;
}

@media (max-width: 1024px) {
  .navbar {
    left: 0;
  }
}

@media (max-width: 768px) {
  .navbar-nav {
    display: none;
  }

  .navbar-container {
    padding: 0 1.5rem;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   SIDEBAR - Module Pages
   ═══════════════════════════════════════════════════════════════════════════ */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: var(--z-fixed);
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 1.5rem 1.5rem 1.25rem;
  border-bottom: 1px solid var(--color-border-light);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.sidebar-brand:hover {
  color: var(--color-primary);
}

.sidebar-brand svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.sidebar-progress {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.625rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.progress-percentage {
  font-weight: 600;
  color: var(--color-primary);
}

.progress-bar {
  height: 6px;
  background-color: var(--color-border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
}

.module-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.module-list li {
  margin: 0;
}

.module-list a {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1.5rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  border-left: 3px solid transparent;
}

.module-list a:hover {
  background-color: var(--color-primary-50);
  color: var(--color-text);
}

.module-list a.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 500;
}

.module-list a.completed {
  color: var(--color-success);
}

.module-status {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.module-status svg {
  width: 18px;
  height: 18px;
  opacity: 0.5;
}

.module-list a.active .module-status svg,
.module-list a.completed .module-status svg {
  opacity: 1;
}

.module-title {
  flex: 1;
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

/* Mobile Header */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-sticky);
  padding: 0 1rem;
  align-items: center;
  gap: 1rem;
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.sidebar-toggle:hover {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-200);
}

.sidebar-toggle svg {
  width: 22px;
  height: 22px;
}

.mobile-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-text);
}

/* Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-fixed) - 1);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* Module Content Area */
.module-content {
  margin-left: 280px;
  min-height: 100vh;
  padding: 3rem 4rem;
  max-width: calc(100% - 280px);
}

.module-content > * {
  max-width: 800px;
}

/* Main Content (m2-m6 layout with top navbar) */
.main-content {
  margin-left: 280px;
  min-height: 100vh;
  padding: calc(80px + 3rem) 4rem 3rem;
  max-width: calc(100% - 280px);
}

.main-content > * {
  max-width: 800px;
}

/* Navbar Controls (m2-m6) */
.navbar-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
}

.font-size-controls {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.font-size-btn {
  padding: 0.625rem 1rem;
  background: var(--color-surface);
  border: none;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.font-size-btn:hover {
  background: var(--color-primary-50);
  color: var(--color-primary);
}

.font-size-btn:first-child {
  border-right: 1px solid var(--color-border);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-200);
}

.theme-toggle svg {
  width: 22px;
  height: 22px;
  color: var(--color-text-secondary);
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: block;
}

.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-200);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
  color: var(--color-text);
}

/* Sidebar Title & Progress (m2-m6) */
.sidebar-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding: 0 1.5rem;
  margin: 0 0 0.75rem 0;
}

.progress-container {
  padding: 0 1.5rem 1.25rem;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 1rem;
}

.module-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-right: 0.5rem;
}

/* Module Header */
.module-header {
  margin-bottom: 3.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.module-header-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.module-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.module-time {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.module-time svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.module-header h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.module-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 2rem;
}

.module-objectives {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
}

.module-objectives h2 {
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.module-objectives ul {
  margin: 0;
  padding-left: 1.25rem;
}

.module-objectives li {
  margin-bottom: 0.625rem;
  line-height: 1.6;
  color: var(--color-text);
}

.module-objectives li:last-child {
  margin-bottom: 0;
}

.module-requirements {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.requirements-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.requirement-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  background-color: var(--color-primary-100);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.module-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.module-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.module-meta-item svg {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

/* Content Sections */
.content-section {
  margin-bottom: 3.5rem;
}

.content-section h2 {
  margin-bottom: 1.5rem;
}

.content-section h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

/* Module Navigation (Bottom) */
.module-nav,
.module-navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
  gap: 1rem;
}

.module-nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Ensure all nav buttons have consistent sizing */
.module-navigation .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.module-navigation .btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.module-navigation .btn-secondary:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-200);
  color: var(--color-primary);
}

.module-navigation .btn-outline,
.module-navigation .btn-complete-module {
  background: var(--color-surface);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.module-navigation .btn-outline:hover,
.module-navigation .btn-complete-module:hover {
  background: var(--color-success);
  color: white;
}

.module-navigation .btn-primary {
  background: var(--color-primary);
  color: white;
  border: 1px solid var(--color-primary);
}

.module-navigation .btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.module-navigation .btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.module-nav-link,
.module-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.module-nav-link span {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.nav-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
}

.nav-title {
  font-size: 0.9375rem;
  font-weight: 500;
}

.module-nav-prev,
.module-nav-back {
  color: var(--color-text-secondary);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.module-nav-prev:hover,
.module-nav-back:hover {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary-200);
  color: var(--color-primary);
}

.module-nav-complete,
button.module-nav-link {
  color: white;
  background-color: var(--color-success);
  border: 1px solid var(--color-success);
}

.module-nav-complete:hover,
button.module-nav-link:hover {
  background-color: var(--color-success-dark);
  border-color: var(--color-success-dark);
}

.module-nav-next {
  color: white;
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.module-nav-next:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.module-nav-link svg,
.module-nav-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Responsive Sidebar */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .mobile-header {
    display: flex;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .module-content {
    margin-left: 0;
    max-width: 100%;
    padding: calc(64px + 2rem) 2rem 2rem;
  }

  .main-content {
    margin-left: 0;
    max-width: 100%;
    padding: calc(80px + 2rem) 2rem 2rem;
  }

  .font-size-controls {
    display: none;
  }
}

@media (max-width: 640px) {
  .module-content {
    padding: calc(64px + 1.5rem) 1.25rem 1.5rem;
  }

  .main-content {
    padding: calc(80px + 1.5rem) 1.25rem 1.5rem;
  }

  .module-header h1 {
    font-size: 1.75rem;
  }

  .module-navigation,
  .module-nav {
    flex-direction: column;
  }

  .module-nav-btn,
  .module-nav-link {
    width: 100%;
    justify-content: center;
  }

  .navbar-brand span {
    display: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: var(--font-medium);
  line-height: 1;
  text-decoration: none;
  border: var(--border-width-2) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-all);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Accent Button */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn-accent:hover:not(:disabled) {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-text-inverse);
}

/* Success Button */
.btn-success {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
  border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-dark);
  border-color: var(--color-success-dark);
  color: var(--color-text-inverse);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-primary-50);
  color: var(--color-primary);
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Outline Button */
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border-dark);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-primary-50);
  border-color: var(--color-primary);
}

/* Button with Icon */
.btn svg {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════════════════════════════════════ */

.card {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-shadow);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: var(--border-width) solid var(--color-border-light);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  margin: 0;
  line-height: 1.3;
}

.card-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  line-height: 1.6;
}

.card-body {
  font-size: var(--text-base);
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: var(--border-width) solid var(--color-border-light);
}

/* Interactive Card */
.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-primary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   CALLOUTS
   ═══════════════════════════════════════════════════════════════════════════ */

.callout {
  position: relative;
  padding: 1.5rem 1.75rem;
  padding-left: 4rem;
  margin: 2rem 0;
  border-radius: var(--radius-md);
  border-left: var(--border-width-4) solid;
  line-height: 1.7;
}

.callout::before {
  content: '';
  position: absolute;
  left: 1.25rem;
  top: 1.5rem;
  width: 24px;
  height: 24px;
  background-size: contain;
  background-repeat: no-repeat;
}

.callout-title {
  font-weight: var(--font-semibold);
  margin-bottom: 0.625rem;
  font-size: 1.0625rem;
}

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

/* Info Callout */
.callout-info {
  background-color: var(--color-info-light);
  border-color: var(--color-info);
}

.callout-info::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%230284c7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 16v-4'/%3E%3Cpath d='M12 8h.01'/%3E%3C/svg%3E");
}

/* Tip Callout */
.callout-tip {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
}

.callout-tip::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2v4'/%3E%3Cpath d='m15.5 7.5 2.5-2.5'/%3E%3Cpath d='M18 12h4'/%3E%3Cpath d='m15.5 16.5 2.5 2.5'/%3E%3Cpath d='M12 18v4'/%3E%3Cpath d='m4.93 4.93 2.83 2.83'/%3E%3Cpath d='M2 12h4'/%3E%3Cpath d='m4.93 19.07 2.83-2.83'/%3E%3Ccircle cx='12' cy='12' r='4'/%3E%3C/svg%3E");
}

/* Warning Callout */
.callout-warning {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning);
}

.callout-warning::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23d97706' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3'/%3E%3Cpath d='M12 9v4'/%3E%3Cpath d='M12 17h.01'/%3E%3C/svg%3E");
}

/* Danger Callout */
.callout-danger {
  background-color: var(--color-error-light);
  border-color: var(--color-error);
}

.callout-danger::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23dc2626' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='m15 9-6 6'/%3E%3Cpath d='m9 9 6 6'/%3E%3C/svg%3E");
}

/* ═══════════════════════════════════════════════════════════════════════════
   WORKED EXAMPLES
   ═══════════════════════════════════════════════════════════════════════════ */

.worked-example {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  margin: 2.5rem 0;
  overflow: hidden;
}

.worked-example-header {
  background-color: var(--color-primary-50);
  padding: 1.25rem 2rem;
  border-bottom: var(--border-width) solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.worked-example-badge {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: 0.75rem;
  font-weight: var(--font-semibold);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.worked-example-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin: 0;
}

.worked-example-body {
  padding: 2rem;
  line-height: 1.75;
}

.worked-example-scenario {
  background-color: var(--color-bg);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  border-left: var(--border-width-4) solid var(--color-accent);
}

.worked-example-scenario-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

/* Stepped Process */
.worked-example-steps {
  counter-reset: step-counter;
  list-style: none;
  padding: 0;
  margin: 0;
}

.worked-example-step {
  position: relative;
  padding-left: var(--space-12);
  padding-bottom: var(--space-6);
  border-left: var(--border-width-2) solid var(--color-border);
  margin-left: var(--space-4);
}

.worked-example-step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.worked-example-step::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: calc(-1 * var(--space-4) - 1px);
  top: 0;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

.worked-example-step-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.worked-example-step-content {
  color: var(--color-text-secondary);
}

/* Output box */
.worked-example-output {
  background-color: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
}

.worked-example-output-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

/* ═══════════════════════════════════════════════════════════════════════════
   COMPARISON PANELS (SPLIT VIEW)
   ═══════════════════════════════════════════════════════════════════════════ */

.comparison-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2.5rem 0;
}

@media (max-width: 768px) {
  .comparison-panel {
    grid-template-columns: 1fr;
  }
}

.comparison-side {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 1.75rem;
}

.comparison-side--bad {
  border-top: 3px solid var(--color-error);
}

.comparison-side--good {
  border-top: 3px solid var(--color-success);
}

.comparison-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.comparison-side--bad .comparison-label {
  color: var(--color-error);
}

.comparison-side--good .comparison-label {
  color: var(--color-success);
}

.comparison-label svg {
  width: 16px;
  height: 16px;
}

.comparison-example {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.comparison-explanation {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
}

.comparison-header {
  padding: 0.875rem 1.25rem;
  font-weight: var(--font-semibold);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comparison-side--bad .comparison-header {
  background-color: var(--color-error-light);
  color: var(--color-error-dark);
  border-bottom: 2px solid var(--color-error);
}

.comparison-side--good .comparison-header {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
  border-bottom: 2px solid var(--color-success);
}

.comparison-body {
  padding: 1.5rem;
  line-height: 1.7;
}

.comparison-body ul {
  margin: 0;
  padding-left: 1.25rem;
}

/* Research Callout (Czaska Findings) */
.callout-research {
  display: flex;
  gap: 1.25rem;
  background-color: #fef7ed;
  border: 1px solid #fed7aa;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}

.callout-research .callout-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.callout-research .callout-icon svg {
  width: 20px;
  height: 20px;
  color: white;
}

.callout-research .callout-content {
  flex: 1;
}

.callout-research .callout-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-accent-dark);
  margin-bottom: 0.5rem;
}

.callout-research p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════════════════════
   QUIZ / MCQ QUESTIONS
   ═══════════════════════════════════════════════════════════════════════════ */

.quiz-question {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-6) 0;
}

.quiz-question-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.quiz-question-number {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  flex-shrink: 0;
}

.quiz-question-text {
  font-weight: var(--font-medium);
  font-size: var(--text-lg);
  margin: 0;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.quiz-option {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg);
  border: var(--border-width-2) solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-all);
}

.quiz-option:hover {
  border-color: var(--color-primary-200);
  background-color: var(--color-primary-50);
}

.quiz-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.quiz-option-indicator {
  width: 20px;
  height: 20px;
  border: var(--border-width-2) solid var(--color-border-dark);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-all);
}

.quiz-option input:checked + .quiz-option-indicator {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
}

.quiz-option input:checked + .quiz-option-indicator::after {
  content: '';
  width: 8px;
  height: 8px;
  background-color: white;
  border-radius: var(--radius-full);
}

.quiz-option input:focus-visible + .quiz-option-indicator {
  box-shadow: var(--focus-ring);
}

.quiz-option-label {
  flex: 1;
  color: var(--color-text);
}

/* Quiz States */
.quiz-option--correct {
  border-color: var(--color-success);
  background-color: var(--color-success-light);
}

.quiz-option--incorrect {
  border-color: var(--color-error);
  background-color: var(--color-error-light);
}

.quiz-feedback {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.quiz-feedback--correct {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
}

.quiz-feedback--incorrect {
  background-color: var(--color-error-light);
  color: var(--color-error-dark);
}

/* ═══════════════════════════════════════════════════════════════════════════
   DECISION GATES / COMMITMENT CHECKPOINTS
   ═══════════════════════════════════════════════════════════════════════════ */

.decision-gate {
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-surface) 100%);
  border: var(--border-width-2) solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin: var(--space-8) 0;
  position: relative;
  overflow: hidden;
}

.decision-gate::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.decision-gate-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.decision-gate-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-text-inverse);
}

.decision-gate-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.decision-gate-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.decision-gate-prompt {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-4);
}

.decision-gate-input {
  width: 100%;
  min-height: 120px;
  padding: var(--space-4);
  border: var(--border-width-2) solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  resize: vertical;
  transition: var(--transition-all);
}

.decision-gate-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.decision-gate-input::placeholder {
  color: var(--color-text-muted);
}

.decision-gate-char-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  margin-top: var(--space-2);
}

.decision-gate-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.decision-gate-commit-btn {
  flex: 1;
}

/* Committed State */
.decision-gate--committed {
  border-color: var(--color-success);
  background: linear-gradient(135deg, var(--color-success-light) 0%, var(--color-surface) 100%);
}

.decision-gate--committed::before {
  background: var(--color-success);
}

.decision-gate--committed .decision-gate-icon {
  background-color: var(--color-success);
}

.decision-gate-committed-message {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-success-light);
  border-radius: var(--radius-md);
  color: var(--color-success-dark);
  font-weight: var(--font-medium);
}

.decision-gate-committed-answer {
  background-color: var(--color-bg);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
  border-left: var(--border-width-4) solid var(--color-success);
}

/* ═══════════════════════════════════════════════════════════════════════════
   RUBRIC / SELF-ASSESSMENT
   ═══════════════════════════════════════════════════════════════════════════ */

.rubric {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-6) 0;
}

.rubric-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

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

.rubric-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-3);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
}

.rubric-item-label {
  flex: 1;
  font-weight: var(--font-medium);
}

.rubric-item-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.rubric-rating {
  display: flex;
  gap: var(--space-1);
}

.rubric-rating-btn {
  width: 32px;
  height: 32px;
  border: var(--border-width-2) solid var(--color-border);
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: var(--transition-all);
}

.rubric-rating-btn:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-50);
}

.rubric-rating-btn.active {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Radar Chart Container */
.rubric-radar {
  width: 100%;
  max-width: 400px;
  margin: var(--space-6) auto;
}

/* ═══════════════════════════════════════════════════════════════════════════
   ACCORDIONS
   ═══════════════════════════════════════════════════════════════════════════ */

.accordion {
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--space-4) 0;
}

.accordion-item {
  border-bottom: var(--border-width) solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-surface);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  text-align: left;
  transition: var(--transition-all);
}

.accordion-header:hover {
  background-color: var(--color-bg);
}

.accordion-header:focus-visible {
  outline: none;
  box-shadow: inset var(--focus-ring);
}

.accordion-header[aria-expanded="true"] {
  background-color: var(--color-primary-50);
}

.accordion-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: var(--space-5);
  background-color: var(--color-surface);
  border-top: var(--border-width) solid var(--color-border-light);
}

.accordion-content.show {
  display: block;
}

/* Numbered Accordion for Workflows */
.accordion--numbered .accordion-header {
  padding-left: var(--space-12);
  position: relative;
}

.accordion--numbered .accordion-item {
  counter-increment: accordion-counter;
}

.accordion--numbered .accordion-header::before {
  content: counter(accordion-counter);
  position: absolute;
  left: var(--space-4);
  width: 28px;
  height: 28px;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

.accordion--numbered {
  counter-reset: accordion-counter;
}

/* ═══════════════════════════════════════════════════════════════════════════
   TABS
   ═══════════════════════════════════════════════════════════════════════════ */

.tabs {
  margin: var(--space-6) 0;
}

.tab-list {
  display: flex;
  gap: var(--space-1);
  border-bottom: var(--border-width-2) solid var(--color-border);
  margin-bottom: var(--space-4);
  overflow-x: auto;
}

.tab-button {
  padding: var(--space-3) var(--space-4);
  background: none;
  border: none;
  border-bottom: var(--border-width-2) solid transparent;
  margin-bottom: calc(-1 * var(--border-width-2));
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-all);
}

.tab-button:hover {
  color: var(--color-primary);
}

.tab-button:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.tab-button[aria-selected="true"],
.tab-button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FORMS
   ═══════════════════════════════════════════════════════════════════════════ */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-weight: var(--font-medium);
  margin-bottom: var(--space-2);
}

.form-label-optional {
  font-weight: var(--font-normal);
  color: var(--color-text-muted);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: var(--border-width-2) solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 20px;
  padding-right: var(--space-10);
}

.form-hint {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-2);
}

.form-input--error,
.form-textarea--error,
.form-select--error {
  border-color: var(--color-error);
}

/* Checkbox and Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check-input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check-label {
  cursor: pointer;
}

/* Character Counter */
.char-counter {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  margin-top: var(--space-1);
}

.char-counter--warning {
  color: var(--color-warning);
}

.char-counter--error {
  color: var(--color-error);
}

/* ═══════════════════════════════════════════════════════════════════════════
   PROGRESS INDICATORS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* Progress with Label */
.progress-labeled {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.progress-percentage {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  min-width: 48px;
  text-align: right;
}

/* Step Progress */
.step-progress {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin: var(--space-8) 0;
}

.step-progress::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 32px;
  right: 32px;
  height: 2px;
  background-color: var(--color-border);
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  position: relative;
  z-index: 1;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--color-surface);
  border: var(--border-width-2) solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  transition: var(--transition-all);
}

.step-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  max-width: 80px;
}

.step-item--active .step-number {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.step-item--active .step-label {
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

.step-item--completed .step-number {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: var(--color-text-inverse);
}

.step-item--completed .step-label {
  color: var(--color-success-dark);
}

/* ═══════════════════════════════════════════════════════════════════════════
   BADGES & TAGS
   ═══════════════════════════════════════════════════════════════════════════ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary-100);
  color: var(--color-primary-dark);
}

.badge-accent {
  background-color: var(--color-accent-100);
  color: var(--color-accent-dark);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.badge-error {
  background-color: var(--color-error-light);
  color: var(--color-error-dark);
}

.badge-neutral {
  background-color: var(--color-border);
  color: var(--color-text-secondary);
}

/* Module Badge */
.module-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

/* ═══════════════════════════════════════════════════════════════════════════
   SELF-CHECK / CHECKLIST
   ═══════════════════════════════════════════════════════════════════════════ */

.self-check {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-6) 0;
}

.self-check-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.self-check-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.self-check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.self-check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.self-check-item:has(input:checked) {
  background-color: var(--color-success-light);
}

.self-check-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-success);
  cursor: pointer;
}

.self-check-label {
  flex: 1;
  cursor: pointer;
}

.completion-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-success);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
}

/* ═══════════════════════════════════════════════════════════════════════════
   EXERCISE SECTIONS
   ═══════════════════════════════════════════════════════════════════════════ */

.exercise-section {
  background-color: var(--color-bg-warm);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 3rem 0;
}

.exercise-header {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.exercise-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.exercise-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-text-inverse);
}

.exercise-title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  margin: 0 0 0.375rem 0;
}

.exercise-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.exercise-content {
  margin-top: 1.5rem;
  line-height: 1.75;
}

.exercise-instructions {
  background-color: var(--color-surface);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════════════════════
   PERSONA CARDS (M4)
   ═══════════════════════════════════════════════════════════════════════════ */

.persona-card {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.persona-avatar {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 2rem;
}

.persona-info {
  flex: 1;
}

.persona-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin: 0 0 0.375rem 0;
}

.persona-role {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.persona-traits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.persona-trait {
  font-size: 0.8125rem;
  padding: 0.375rem 0.75rem;
  background-color: var(--color-bg);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
}

.persona-description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════════════════════
   TIMELINE (M3)
   ═══════════════════════════════════════════════════════════════════════════ */

.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-6);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: calc(-1 * var(--space-8) + 4px);
  width: 16px;
  height: 16px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-surface);
}

.timeline-date {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.timeline-content {
  background-color: var(--color-surface);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--color-border);
}

/* ═══════════════════════════════════════════════════════════════════════════
   DATA VISUALIZATION CONTAINERS
   ═══════════════════════════════════════════════════════════════════════════ */

.chart-container {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: var(--space-4) 0;
}

.chart-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  text-align: center;
}

.chart-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-4);
}

.chart-canvas {
  width: 100%;
  max-height: 400px;
}

.chart-source {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  margin-top: var(--space-2);
}

/* Map Container */
.map-container {
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-width) solid var(--color-border);
  margin: var(--space-4) 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   GLOSSARY TOOLTIPS
   ═══════════════════════════════════════════════════════════════════════════ */

.glossary-term {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 3px;
  cursor: help;
  position: relative;
}

.glossary-tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  width: max-content;
  max-width: 300px;
  z-index: var(--z-tooltip);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-lg);
}

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

.glossary-term:hover .glossary-tooltip,
.glossary-term:focus .glossary-tooltip {
  opacity: 1;
  visibility: visible;
}

/* ═══════════════════════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  animation: slideInRight var(--transition-base);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════════════════════════════ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: auto;
  z-index: var(--z-modal);
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal-backdrop.show .modal {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: var(--border-width) solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  margin: 0;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: var(--transition-all);
}

.modal-close:hover {
  background-color: var(--color-bg);
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: var(--border-width) solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ═══════════════════════════════════════════════════════════════════════════
   REVEAL ANSWER
   ═══════════════════════════════════════════════════════════════════════════ */

.reveal-answer {
  margin-top: var(--space-4);
}

.reveal-answer-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: transparent;
  border: var(--border-width-2) solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-all);
}

.reveal-answer-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.reveal-answer-content {
  display: none;
  margin-top: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-success-light);
  border-left: var(--border-width-4) solid var(--color-success);
  border-radius: var(--radius-md);
}

.reveal-answer-content.show {
  display: block;
}

.reveal-answer-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-success-dark);
  margin-bottom: var(--space-2);
}

/* ═══════════════════════════════════════════════════════════════════════════
   FREYTAG PYRAMID (M5)
   ═══════════════════════════════════════════════════════════════════════════ */

.freytag-pyramid {
  position: relative;
  padding: var(--space-8) var(--space-4);
  margin: var(--space-8) 0;
}

.freytag-stage {
  position: absolute;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface);
  border: var(--border-width-2) solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-align: center;
  min-width: 120px;
  cursor: pointer;
  transition: var(--transition-all);
}

.freytag-stage:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.freytag-stage.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.freytag-description {
  background-color: var(--color-bg);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
  min-height: 100px;
}