/* merged-modern.css - Combines styles-modern.css with added functionality from merged-modern.css */

:root {
  /* Premium brand-inspired color palette */
  --primary-color: #0071e3; /* Apple blue */
  --primary-light: #e4f0fd;
  --primary-fade: #f5f8fc;
  --primary-hover: #0058b9;
  --accent-color: #34c759; /* Apple green */
  --error-color: #ff3b30; /* Apple red */
  --success-color: #30d158; /* Apple green */
  --background: #f5f5f7; /* Slightly off-white like Apple interfaces */
  --background-alt: #ffffff;
  --border-color: #d2d2d7; /* Apple light grey border */
  --text-color: #1d1d1f; /* Apple dark */
  --text-secondary: #6e6e73; /* Apple grey text */

  /* Badge Colors (Consistent across themes) */
  --badge-foundation: #4285F4;
  --badge-application: #34A853;
  --badge-integration: #FBBC05;
  --badge-advocacy: #EA4335;

  /* Typography (Modern Theme - Apple system fonts) */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Layout & Spacing (Modern Theme) */
  --card-radius: 12px;
  --card-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
  --card-shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.12);
  --spacing-xs: 0.5rem; /* 8px */
  --spacing-sm: 1rem; /* 16px */
  --spacing-md: 1.5rem; /* 24px */
  --spacing-lg: 2.5rem; /* 40px */
  --spacing-xl: 4rem; /* 64px */

  /* Transitions & Focus (Modern Theme) */
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --focus-outline-color: rgba(0, 113, 227, 0.8);
  --focus-outline-width: 2px;
  --focus-outline-offset: 2px;
}

/* RESET & BASE */
html {
  font-size: 16px;
  background: var(--background);
  color: var(--text-color);
  font-family: var(--font-family);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: var(--background);
  color: var(--text-color);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

img,
video {
  max-width: 100%;
  border-radius: 10px; /* Slightly less rounded than card */
  display: block;
}

img {
  height: auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--spacing-sm) 0;
  font-weight: 600;
  font-family: var(--font-family);
  line-height: 1.2;
  color: var(--text-color);
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.35rem;
}

h4,
h5,
h6 {
  font-size: 1.1rem;
  color: var(--text-color);
  font-weight: 500;
}

p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}

a:hover,
a:focus {
  color: var(--primary-hover);
  text-decoration: none;
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  top: -4rem;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 0.75rem 1.25rem;
  z-index: 100;
  border-radius: 0 0 var(--card-radius) 0;
  transition: top 0.2s ease;
  font-weight: 500;
}

.skip-link:focus {
  top: 0;
}

/* == Style Switcher == */
.style-switcher {
  /* Position handled in header */
}

button,
.button {
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 8px; /* Consistent rounded buttons */
  padding: 0.8em 1.6em;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: all var(--transition);
  outline: none;
  margin-right: 0.5em;
  text-align: center;
}

button:hover,
.button:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
}

button:focus,
.button:focus {
  background: var(--primary-hover);
  color: #fff;
  box-shadow: 0 0 0 var(--focus-outline-width) var(--focus-outline-color);
  outline: none;
}

button:active,
.button:active {
  transform: translateY(0);
  background: #0050a0; /* Darker active state */
}

button.secondary,
.button.secondary {
  background: rgba(0, 113, 227, 0.1);
  color: var(--primary-color);
  border: none;
}

button.secondary:hover,
.button.secondary:hover,
button.secondary:focus,
.button.secondary:focus {
  background: rgba(0, 113, 227, 0.15);
  color: var(--primary-hover);
}

button:disabled,
.button:disabled {
  background: #e5e5e5;
  color: #8e8e93; /* Apple disabled text color */
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* HEADER + NAV */
.main-header {
  width: 100%;
  background: rgba(255, 255, 255, 0.85); /* Frosted glass effect */
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: var(--spacing-sm) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo-container img {
  height: 30px;
  width: auto;
  margin-right: var(--spacing-sm);
}

.logo-container h1 {
  font-size: 1.2em;
  color: var(--text-color);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
}

.main-nav {
  flex-grow: 1;
  display: flex;
  justify-content: center;
}

.nav-menu {
  display: flex;
  gap: 0.75em;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-link {
  font-size: 0.95em;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 0.5em 1em;
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link:focus {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-color);
  text-decoration: none;
  outline: none;
}

.nav-link.active {
  font-weight: 600;
  color: var(--primary-color);
  background: var(--primary-light);
}

/* Compact hamburger for small screens */
#menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.menu-icon {
  display: none;
  width: 1.5rem;
  height: 2px;
  background-color: var(--text-color);
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--text-color);
  transition: transform 0.3s ease;
}

.menu-icon::before {
  transform: translateY(-0.5rem);
}

.menu-icon::after {
  transform: translateY(0.5rem);
}

#menu-toggle.active .menu-icon {
  background-color: transparent;
}

#menu-toggle.active .menu-icon::before {
  transform: rotate(45deg);
}

#menu-toggle.active .menu-icon::after {
  transform: rotate(-45deg);
}

.user-controls {
  display: flex;
  align-items: center;
  gap: 0.75em;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Page display rules */
.page {
  display: none;
}

.page.active {
  display: block;
}

/* MAIN LAYOUT */
.main-content {
  max-width: 1100px;
  margin: var(--spacing-lg) auto 0 auto;
  padding: 0 var(--spacing-md);
}

/* HERO / FEATURED AREA */
.hero {
  background: var(--background-alt);
  border-radius: var(--card-radius);
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--card-shadow);
}

.hero h2 { 
  color: var(--text-color); 
  font-size: 2.25rem; 
  margin-bottom: var(--spacing-sm);
}

.hero p { 
  color: var(--text-secondary); 
  font-size: 1.25rem; 
  margin-bottom: var(--spacing-lg);
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.hero .button { 
  font-size: 1.1em; 
  margin-bottom: 0.5em; 
  padding: 0.75em 2em;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.feature-card {
  background: #fff;
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-lg);
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover, 
.feature-card:focus-within { 
  box-shadow: var(--card-shadow-hover); 
  transform: translateY(-3px);
}

.feature-card h3 { 
  color: var(--text-color); 
  margin-bottom: 0.75em;
}

.feature-card p { 
  color: var(--text-secondary); 
  font-size: 1rem; 
}

/* TIERS AND MODULES (CARD DESIGN) */
.tiers-container {
  display: grid;
  gap: var(--spacing-lg);
}

@media (min-width: 830px) { 
  .tiers-container { 
    grid-template-columns: 1fr 1fr; 
  }
}

.tier-card {
  background: #fff;
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  min-width: 0;
  transition: transform var(--transition), box-shadow var(--transition);
}

.tier-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
}

.tier-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.tier-header h3 {
  color: var(--text-color);
  font-size: 1.125em;
  font-weight: 600;
  margin: 0;
}

.tier-status {
  font-size: 0.875em;
  padding: 0.25em 1em;
  background: var(--primary-light);
  border-radius: 12px;
  color: var(--primary-color);
  font-weight: 500;
}

.tier-status.locked {
  color: #6b6b6b; /* Improved contrast */
  background: #f0f0f0;
}

.tier-description { 
  color: var(--text-secondary); 
  margin-bottom: 0.3em;
}

.modules-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: 0;
}

.module-item {
  background: #fff;
  border-radius: var(--card-radius);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  padding: var(--spacing-md);
  margin-bottom: 0;
  margin-top: 0;
  border: none;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.module-item:hover,
.module-item:focus-within {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.module-item h4 { 
  font-size: 1.1rem; 
  margin: 0 0 0.35em 0; 
  color: var(--text-color);
}

.module-item p { 
  margin-bottom: 0.5em; 
  font-size: 0.95em; 
  color: var(--text-secondary);
}

.module-score {
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 0.25em; 
  font-size: 0.95em;
}

.module-button {
  margin-top: 0.75em;
  margin-bottom: 0.3em;
  font-size: 0.9em;
  align-self: flex-start;
}

.module-button.completed {
  background: var(--success-color);
  color: #fff;
}

.module-button:disabled {
  background: #e5e5e5;
  color: #8e8e93; /* Apple disabled text color */
}

@media (max-width: 599px) {
  .features { 
    grid-template-columns: 1fr; 
    gap: var(--spacing-md); 
  }
  .main-content { padding: var(--spacing-sm); }
  .tiers-container { grid-template-columns: 1fr; gap: var(--spacing-md); }
  .tier-card, .feature-card, .module-item { padding: var(--spacing-md); }
}

/* PROGRESS BAR, PROFILE, BADGES */
.progress-bar {
  background: var(--primary-light);
  border-radius: 6px;
  overflow: hidden;
  width: 100%;
  height: 8px;
  margin: 0.5em 0;
}

.progress-fill {
  height: 100%;
  background: var(--primary-color);
  border-radius: 6px;
  width: 0;
  transition: width var(--transition);
}

.progress-text {
  font-size: 0.9em;
  color: var(--primary-color);
  font-weight: 500;
  margin-left: 0.25em;
}

.profile-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

@media (min-width: 900px) {
  .profile-container { 
    flex-direction: row; 
  }
}

.profile-info,
.profile-progress {
  background: #fff;
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-lg);
  border: none;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.profile-avatar {
  min-width: 64px; 
  min-height: 64px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex; 
  align-items: center; 
  justify-content: center;
  font-size: 2em; 
  color: var(--primary-color);
}

.profile-details h3 { 
  margin-bottom: 0.2em; 
}

.profile-details p { 
  margin-bottom: 0; 
}

.profile-stats {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: 1em;
}

.stat-card {
  flex: 1;
  background: var(--primary-fade);
  border-radius: var(--card-radius);
  padding: var(--spacing-sm);
  text-align: center;
}

.stat-card h4 { 
  color: var(--text-secondary); 
  font-size: 0.85em;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card p { 
  color: var(--text-color); 
  font-size: 1.5em; 
  font-weight: 600;
  margin: 0.2em 0 0 0;
}

/* BADGES PAGE */
.badges-container { 
  display: flex; 
  flex-direction: column; 
  gap: var(--spacing-lg); 
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-lg);
  margin-top: 1em;
}

.badge-card {
  background: #fff;
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-md);
  text-align: center;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.badge-card.locked { 
  filter: grayscale(1);
  opacity: 0.85;
}

.badge-icon { 
  font-size: 3em; 
  margin-bottom: 0.5em; 
}

.badge-card h4 { 
  margin-bottom: 0.25em; 
  color: var(--text-color);
}

.badge-card p { 
  color: var(--text-secondary); 
  font-size: 0.9em;
  margin-bottom: 0;
}

.badge-card:hover, 
.badge-card:focus-within {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-3px);
}

/* ASSESSMENTS & MODALS */
.modal-container {
  position: fixed; 
  top: 0; 
  left: 0; 
  right: 0; 
  bottom: 0;
  z-index: 1100; 
  display: flex; 
  align-items: center; 
  justify-content: center;
}

.modal-backdrop {
  position: absolute; 
  top: 0; 
  left: 0; 
  right: 0; 
  bottom: 0;
  background: rgba(0, 0, 0, 0.4); /* Darker for better contrast */
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background: #fff;
  border-radius: var(--card-radius);
  padding: var(--spacing-lg);
  max-width: 95vw;
  width: 450px;
  max-height: 84vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  z-index: 1002;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-size: 1.25rem;
}

.modal-close:hover, 
.modal-close:focus {
  background-color: #f0f0f0;
  color: var(--text-color);
  outline: none;
}

@media (max-width: 520px) {
  .modal-content { 
    width: 96vw; 
    padding: var(--spacing-md); 
  }
}

/* Form, inputs, and error styles */
input, 
select, 
textarea {
  font-size: 1rem;
  padding: 0.75em 1em;
  border-radius: var(--card-radius);
  border: 1px solid var(--border-color);
  background: var(--background);
  margin-bottom: 1em;
  width: 100%;
  transition: all var(--transition);
  font-family: var(--font-family);
}

input:focus, 
select:focus, 
textarea:focus { 
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.2);
  outline: none;
}

.form-group {
  margin-bottom: 1.25em;
}

.form-group label { 
  font-weight: 500; 
  color: var(--text-color);
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

/* Improved form validation styles */
input:invalid, 
select:invalid, 
textarea:invalid {
  border-color: var(--error-color);
  background-color: rgba(255, 59, 48, 0.05);
}

.form-error {
  color: var(--error-color);
  background: rgba(255, 59, 48, 0.1);
  border-radius: 8px;
  padding: 0.75em 1em;
  margin: 0.5em 0 1em;
  font-size: 0.9em;
  border-left: 3px solid var(--error-color);
}

/* Notification styles */
.notification {
  position: fixed;
  left: 50%;
  top: 1.7em;
  transform: translateX(-50%);
  min-width: 250px;
  max-width: 95vw;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-color);
  border-radius: var(--card-radius);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  z-index: 9999;
  padding: 1em 1.25em;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.7em;
  transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.notification-close {
  background: none;
  border: none;
  font-size: 1.25em;
  color: var(--text-secondary);
  cursor: pointer;
  margin-left: auto;
  padding: 0.25rem;
  border-radius: 50%;
}

.notification-close:hover, 
.notification-close:focus {
  color: var(--text-color);
  background: rgba(0, 0, 0, 0.05);
}

.notification-hiding { 
  opacity: 0; 
  transform: translateX(-50%) translateY(-20px);
  pointer-events: none; 
}

.notification-visible { 
  opacity: 1; 
  transform: translateX(-50%) translateY(0);
}

/* Accessibility */
:focus-visible { 
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: var(--focus-outline-offset);
}

.sr-only {
  position: absolute;
  width: 1px; 
  height: 1px; 
  padding: 0; 
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Responsive adjustments for extra small screens */
@media (max-width: 400px) {
  .main-header, .main-content, .modal-content, .profile-info, .profile-progress, .badge-card, .tier-card, .feature-card, .module-item {
    padding: var(--spacing-sm) !important;
  }
  .modal-content { width: 99vw; }
}

@media (max-width: 320px) {
  html {
    font-size: 15px;
  }
  .main-header .logo-container h1 {
    font-size: 1.2em;
  }
}

::-webkit-scrollbar {
  width: 8px;
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}

/* Assessment summary and review styles */
.profile-modules-table { 
  width: 100%; 
  border-collapse: collapse; 
  margin-top: 1em; 
  border-radius: var(--card-radius);
  overflow: hidden;
}

.profile-modules-table th, 
.profile-modules-table td { 
  border: 1px solid var(--border-color); 
  padding: 0.75em 1em; 
}

.profile-modules-table th {
  background: var(--primary-fade);
  font-weight: 600;
}

.review-modal { 
  max-width: 700px; 
  margin: auto; 
}

.review-list { margin: 1em 0; }

.review-question { 
  margin-bottom: 1.25em; 
  border: none;
  border-radius: var(--card-radius); 
  padding: 1.25em;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.review-question.review-correct { 
  background: rgba(52, 199, 89, 0.08); 
  border-left: 4px solid var(--success-color);
}

.review-question.review-incorrect { 
  background: rgba(255, 59, 48, 0.08); 
  border-left: 4px solid var(--error-color);
}

.review-q, .review-a, .review-c, .review-explanation { 
  margin-bottom: 0.75em;
}

.review-a, .review-c { 
  margin-left: 1em;
}

.review-q strong, .review-a strong, .review-c strong { 
  color: var(--text-color); 
}

.correct-answer { 
  color: var(--success-color); 
  font-weight: 600;
}

.correct-tag, .incorrect-tag {
  display: inline-block;
  padding: 0.15em 0.75em;
  border-radius: 12px;
  font-size: 0.8em;
  font-weight: 600;
  margin-left: 0.5em;
}

.correct-tag {
  background-color: rgba(52, 199, 89, 0.1);
  color: var(--success-color);
}

.incorrect-tag {
  background-color: rgba(255, 59, 48, 0.1);
  color: var(--error-color);
}

.assessment-results-modal {
  text-align: center;
}

.results-summary {
  display: flex;
  justify-content: center;
  gap: 3em;
  margin: 2em 0;
}

.result-score, .result-status {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.score-value {
  font-size: 3em;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

.status-icon {
  font-size: 3em;
  margin-bottom: 0.25em;
}

.score-label, .status-label {
  color: var(--text-secondary);
  font-size: 0.9em;
  margin-top: 0.5em;
  font-weight: 500;
}

.results-details h3 {
  margin: 1.5em 0 0.75em;
  font-weight: 600;
}

.results-actions {
  display: flex;
  justify-content: center;
  gap: 1em;
  margin-top: 2em;
}

.badge-celebration {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.5s ease-in;
}

.badge-celebration-content {
  background-color: white;
  border-radius: var(--card-radius);
  padding: 3rem;
  text-align: center;
  max-width: 90vw;
  width: 400px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25);
  animation: scaleIn 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.4) 0.1s both;
}

.badge-icon-large {
  font-size: 5rem;
  margin-bottom: 1.5rem;
  animation: bounce 1.2s ease infinite;
}

.badge-name {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.badge-description {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.badge-celebration-content .button {
  min-width: 180px;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: #ffd700;
  opacity: 0;
}

@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-20px); }
  60% { transform: translateY(-10px); }
}

/* Question result styles */
.question-result {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: var(--card-radius);
  margin-bottom: 0.5rem;
  transition: background var(--transition);
}

.question-result.correct {
  background-color: rgba(52, 199, 89, 0.1);
  border-left: 3px solid var(--success-color);
}

.question-result.incorrect {
  background-color: rgba(255, 59, 48, 0.1);
  border-left: 3px solid var(--error-color);
}

.question-number {
  font-weight: 600;
  margin-right: 1rem;
}

.question-status {
  margin-left: auto;
  font-size: 1.25rem;
}

/* Windows High Contrast Mode support */
@media (forced-colors: active) {
  button, .button {
    border: 1px solid ButtonText;
  }
  .nav-link:hover, .nav-link:focus, .nav-link.active {
    border: 1px solid ButtonText;
  }
  a:hover, a:focus {
    text-decoration: underline;
  }
  .badge-card.locked {
    filter: none;
    border: 1px dashed ButtonText;
  }
  .tier-card, .feature-card, .module-item, .badge-card {
    border: 1px solid ButtonText;
  }
}

/* Loading States */
.loading-spinner {
  display: inline-block;
  width: 30px;
  height: 30px;
  border: 3px solid rgba(0, 113, 227, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 0.8s ease-in-out infinite;
  margin: 0 auto;
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.loading-text {
  margin-top: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.95em;
  font-weight: 500;
}

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

.content-loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.content-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 113, 227, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 0.8s ease-in-out infinite;
}

.fade-in {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* For reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
  
  .loading-spinner, .content-loading::after {
    animation: none !important;
    border: 3px solid var(--text-secondary);
  }
  
  .badge-icon-large {
    animation: none !important;
  }
  
  button:hover, .button:hover,
  .feature-card:hover, .tier-card:hover,
  .module-item:hover, .badge-card:hover {
    transform: none !important;
  }
}

/* Hide mobile nav until triggered */
@media (max-width: 800px) {
  .main-nav .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px; 
    left: 0; 
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    z-index: 997;
    gap: 0;
    padding: 0.5rem 0;
  }
  
  .main-nav .nav-menu.active {
    display: flex;
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-link {
    display: block;
    border-radius: 0;
    padding: 0.85em 1.5em;
  }
  
  #menu-toggle, .menu-icon { 
    display: block !important; 
  }
}

@media (min-width: 801px) {
  #menu-toggle, .menu-icon { 
    display: none !important; 
  }
}

/* Footer styles */
.main-footer {
  width: 100%;
  background: var(--background);
  text-align: center;
  padding: var(--spacing-lg) 0;
  color: var(--text-secondary);
  font-size: 0.95em;
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-xl);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: 0.75em;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--primary-color);
}

@media (max-width: 600px) {
  .footer-content, .footer-links { 
    flex-direction: column; 
    gap: 0.5em; 
  }
  .main-content { 
    padding-left: 1rem; 
    padding-right: 1rem; 
  }
}

/* Spacing utilities */
.mt-lg { margin-top: var(--spacing-lg) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.p-sm { padding: var(--spacing-sm) !important; }
.p-md { padding: var(--spacing-md) !important; }

/* Print styles */
@media print {
  .main-header, .main-footer, .main-nav, 
  .module-button, .button, #menu-toggle {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  
  .page {
    display: block !important;
    page-break-after: always;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
  
  .module-item, .tier-card, .feature-card, .badge-card {
    border: 1px solid #000;
    page-break-inside: avoid;
    box-shadow: none !important;
  }
  
  .badge-celebration, .modal-container, .notification {
    display: none !important;
  }
  
  /* Adjust page margins */
  @page {
    margin: 1.5cm;
  }
}

/* Style Switcher Button */
.style-switcher-button {
  background: rgba(0, 113, 227, 0.1);
  color: var(--primary-color);
  border: none;
  padding: .6em 1.2em;
  font-size: 0.9rem;
  margin-left: auto;
}

#style-toggle.active {
  background: var(--primary-color);
  color: white;
}