/* ========================================
   1. CSS Variables (Theming)
   ======================================== */
:root {
  /* Upslide Brand Colors */
  --color-primary: #FF4648;        /* Carmine red */
  --color-secondary: #333333;      /* Anthracite dark gray */
  --color-accent: #FDCF09;         /* Yellow */
  --color-text: #333333;
  --color-background: #f5f5f5;
  --color-white: #ffffff;
  --color-error: #cc0000;
  --color-success: #00aa00;
  
  /* Upslide Gradient */
  --gradient-start: #FF4B2B;
  --gradient-end: #FF416C;
  --gradient-brand: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-size-base: 16px;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
}

/* ========================================
   2. Reset/Base Styles
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

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

a:hover {
  text-decoration: underline;
}

/* ========================================
   3. Layout (Views, Containers)
   ======================================== */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.view {
  display: none;
  flex: 1;
  padding: var(--spacing-xl);
  opacity: 0;
  transform: translateY(10px);
}

.view.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: viewFadeIn 300ms ease-out forwards;
}

/* View fade in animation */
@keyframes viewFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Staggered content reveals */
.view.active .view__content > * {
  opacity: 0;
  animation: fadeInUp 300ms ease-out forwards;
}

.view.active .view__content > *:nth-child(1) { animation-delay: 0ms; }
.view.active .view__content > *:nth-child(2) { animation-delay: 50ms; }
.view.active .view__content > *:nth-child(3) { animation-delay: 100ms; }
.view.active .view__content > *:nth-child(4) { animation-delay: 150ms; }
.view.active .view__content > *:nth-child(5) { animation-delay: 200ms; }
.view.active .view__content > *:nth-child(6) { animation-delay: 250ms; }
.view.active .view__content > *:nth-child(7) { animation-delay: 300ms; }
.view.active .view__content > *:nth-child(8) { animation-delay: 350ms; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.view__content {
  max-width: 800px;
  width: 100%;
  text-align: center;
}

/* ========================================
   4. Components (Buttons, Forms, Modals)
   ======================================== */

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  transition: transform var(--transition-fast), filter var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  text-align: center;
}

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

.btn--primary {
  background: var(--gradient-brand);
  color: var(--color-white);
  border: none;
}

.btn--primary:hover:not(:disabled) {
  transform: scale(1.03);
  filter: brightness(1.1);
}

.btn--primary:active:not(:disabled) {
  transform: scale(0.98);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-secondary);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--gradient-brand);
  color: var(--color-white);
  border-color: transparent;
}

/* Button loading state */
.btn--loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn--loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.btn--small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
}

/* Forms */
.form {
  text-align: left;
  max-width: 400px;
  margin: 0 auto;
}

.form__group {
  margin-bottom: var(--spacing-md);
}

.form__group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.form__group input[type="text"],
.form__group input[type="email"],
.form__group input[type="tel"] {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  font-size: 1rem;
}

.form__group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 70, 72, 0.2);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.form__group--checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form__group--checkbox input[type="checkbox"] {
  margin-top: 0.25rem;
}

.form__group--checkbox label {
  margin-bottom: 0;
  font-weight: normal;
}

.form__error {
  padding: var(--spacing-md);
  background-color: #ffe6e6;
  border: 1px solid var(--color-error);
  border-radius: var(--border-radius);
  color: var(--color-error);
  margin-bottom: var(--spacing-md);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal__content {
  position: relative;
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  text-align: center;
}

.modal__title {
  margin-bottom: var(--spacing-md);
}

.modal__message {
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   5. Game-Specific (Slides, Markers, Timer)
   ======================================== */

/* Home View */
.home__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.home__prize {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home__description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: #666;
}

/* Tutorial View */
.tutorial__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.tutorial__instructions {
  text-align: left;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--border-radius);
}

.tutorial__instructions p {
  margin-bottom: var(--spacing-sm);
}

.tutorial__practice h3 {
  margin-bottom: var(--spacing-md);
}

.tutorial__feedback {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
}

.tutorial__feedback--correct {
  background-color: #e6ffe6;
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.tutorial__feedback--incorrect {
  background-color: #ffe6e6;
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

/* Slide Container & Marker */
.slide-container {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-lg);
  cursor: crosshair;
}

.slide__image {
  max-width: 100%;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: opacity 250ms ease-out, transform 250ms ease-out;
}

/* Slide entrance animation */
.slide__image--entering {
  opacity: 0;
  transform: scale(0.98);
}

.slide__image--visible {
  opacity: 1;
  transform: scale(1);
}

.slide__marker {
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--gradient-brand);
  border: 3px solid var(--color-white);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  animation: markerPulse 300ms ease-out forwards;
}

/* Marker pulse animation */
@keyframes markerPulse {
  0% {
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

/* Ripple effect on marker */
.slide__marker::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  transform: translate(-50%, -50%);
  animation: ripple 600ms ease-out forwards;
  pointer-events: none;
}

@keyframes ripple {
  from {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  to {
    transform: translate(-50%, -50%) scale(2.5);
    opacity: 0;
  }
}

.slide__marker[hidden] {
  display: none;
}

/* Error zone highlight (tutorial only) */
.slide__error-zone {
  position: absolute;
  border: 3px solid var(--color-primary);
  background-color: rgba(255, 70, 72, 0.2);
  border-radius: 4px;
  pointer-events: none;
  animation: errorZonePulse 500ms ease-out;
}

/* Error zone pulse animation */
@keyframes errorZonePulse {
  0%, 100% {
    box-shadow: 0 0 0 rgba(255, 70, 72, 0);
  }
  50% {
    box-shadow: 0 0 20px rgba(255, 70, 72, 0.5);
  }
}

.slide__error-zone--correct {
  border-color: var(--color-success);
  background-color: rgba(0, 170, 0, 0.2);
  animation: glowGreen 500ms ease-out;
}

@keyframes glowGreen {
  0%, 100% {
    box-shadow: 0 0 0 rgba(0, 170, 0, 0);
  }
  50% {
    box-shadow: 0 0 20px rgba(0, 170, 0, 0.5);
  }
}

.slide__error-zone[hidden] {
  display: none;
}

/* Game Header */
.game__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--border-radius);
}

.game__timer {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  transition: color var(--transition-normal);
}

/* Timer urgency states */
.game__timer--warning {
  color: var(--color-accent);
  animation: timerPulse 1s ease-in-out infinite;
}

.game__timer--urgent {
  color: var(--color-error);
  animation: timerPulse 0.5s ease-in-out infinite;
}

@keyframes timerPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.game__progress {
  text-align: right;
}

#progress-text {
  display: block;
  margin-bottom: var(--spacing-xs);
}

.progress-bar {
  width: 200px;
  height: 8px;
  background-color: #e0e0e0;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--gradient-brand);
  transition: width var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Progress bar shimmer effect */
.progress-bar__fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

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

/* Results View */
.results__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
}

.results__score {
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}

.results__score #final-score {
  font-size: 4rem;
  font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.results__score-max {
  font-size: var(--font-size-2xl);
  font-weight: 500;
  color: #666;
}

.results__stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.stat {
  text-align: center;
  opacity: 0;
  animation: statFadeIn 400ms ease-out forwards;
}

.stat:nth-child(1) { animation-delay: 200ms; }
.stat:nth-child(2) { animation-delay: 350ms; }
.stat:nth-child(3) { animation-delay: 500ms; }

@keyframes statFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stat__value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

.stat__label {
  font-size: var(--font-size-base);
  color: #666;
}

.results__demo {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: var(--color-white);
  border-radius: var(--border-radius);
  min-height: 200px;
}

.results__actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Form View */
.form__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.form__subtitle {
  margin-bottom: var(--spacing-xl);
  color: #666;
}

/* Nickname View */
.nickname__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.nickname__subtitle {
  color: #666;
  margin-bottom: var(--spacing-xl);
}

.nickname__form {
  max-width: 320px;
  margin: 0 auto;
}

.nickname__input {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-lg);
  border: 2px solid #ccc;
  border-radius: var(--border-radius);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.nickname__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 70, 72, 0.2);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.nickname__error {
  display: block;
  color: var(--color-error);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
  min-height: 1.25rem;
}

.nickname__error[hidden] {
  visibility: hidden;
}

.nickname__form .btn {
  width: 100%;
  margin-top: var(--spacing-md);
}

/* Thank You View */
.thankyou__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.thankyou__message {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: #666;
}

.thankyou__actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Leaderboard */
.leaderboard {
  margin-bottom: var(--spacing-lg);
}

.leaderboard__table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.leaderboard__table th,
.leaderboard__table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid #eee;
}

.leaderboard__table th {
  background-color: var(--color-background);
  font-weight: 600;
}

.leaderboard__table tr.highlight {
  background: linear-gradient(90deg, rgba(255, 75, 43, 0.1), rgba(255, 65, 108, 0.1));
  border: 2px solid var(--color-primary);
  font-weight: 600;
  opacity: 1;
  animation: fadeInRow 300ms ease-out forwards, highlightPulse 1s ease-in-out 300ms;
}

.leaderboard__table tr.highlight td {
  color: var(--color-primary);
}

@keyframes highlightPulse {
  0%, 100% {
    box-shadow: none;
  }
  50% {
    box-shadow: 0 0 15px rgba(255, 70, 72, 0.4);
  }
}

/* Leaderboard row animations */
.leaderboard__table tbody tr {
  opacity: 0;
  animation: fadeInRow 300ms ease-out forwards;
}

@keyframes fadeInRow {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Staggered row delays (for top 20, rest handled by JS) */
.leaderboard__table tbody tr:nth-child(1) { animation-delay: 0ms; }
.leaderboard__table tbody tr:nth-child(2) { animation-delay: 30ms; }
.leaderboard__table tbody tr:nth-child(3) { animation-delay: 60ms; }
.leaderboard__table tbody tr:nth-child(4) { animation-delay: 90ms; }
.leaderboard__table tbody tr:nth-child(5) { animation-delay: 120ms; }
.leaderboard__table tbody tr:nth-child(6) { animation-delay: 150ms; }
.leaderboard__table tbody tr:nth-child(7) { animation-delay: 180ms; }
.leaderboard__table tbody tr:nth-child(8) { animation-delay: 210ms; }
.leaderboard__table tbody tr:nth-child(9) { animation-delay: 240ms; }
.leaderboard__table tbody tr:nth-child(10) { animation-delay: 270ms; }
.leaderboard__table tbody tr:nth-child(n+11) { animation-delay: 300ms; }

.leaderboard__message {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text);
}

.leaderboard__message p {
  margin-bottom: var(--spacing-md);
}

.leaderboard__user-rank {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius);
}

.leaderboard__user-entry {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--gradient-brand);
  color: var(--color-white);
  border-radius: var(--border-radius);
}

.user-entry__rank {
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

.user-entry__label {
  font-size: var(--font-size-base);
  opacity: 0.9;
}

.user-entry__stats {
  display: flex;
  gap: var(--spacing-lg);
  font-size: var(--font-size-base);
  margin-top: var(--spacing-xs);
}

.user-entry__stats span {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

/* ========================================
   6. States (.active, .is-loading, .has-error)
   ======================================== */
.is-loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.loading-overlay[hidden] {
  display: none;
}

.loading-overlay__content {
  text-align: center;
}

.loading-overlay__text {
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--color-background);
  border-top-color: var(--gradient-start);
  border-right-color: var(--gradient-end);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
  position: relative;
}

/* Enhanced spinner with bolt glow effect */
.loading-spinner::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: rgba(255, 75, 43, 0.3);
  animation: spinReverse 1.5s linear infinite;
}

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

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

.has-error {
  border-color: var(--color-error) !important;
}

/* ========================================
   7. Utilities
   ======================================== */
[hidden] {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

/* Gradient text utility */
.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   8. Celebration & Special Effects
   ======================================== */

/* Victory celebration effect for top 10 scores */
.results--celebration::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 207, 9, 0.15) 0%, transparent 70%);
  animation: celebrationGlow 2s ease-out forwards;
  pointer-events: none;
  z-index: 10;
}

@keyframes celebrationGlow {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  30% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(1.5);
  }
}

/* Sparkle effect particles */
.results--celebration::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle, var(--color-accent) 1px, transparent 1px),
    radial-gradient(circle, var(--gradient-start) 1px, transparent 1px);
  background-size: 50px 50px, 70px 70px;
  background-position: 0 0, 25px 25px;
  animation: sparkle 3s ease-out forwards;
  pointer-events: none;
  z-index: 10;
}

@keyframes sparkle {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  20% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(-100px);
  }
}

/* ========================================
   9. Accessibility - Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  /* Disable all animations */
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  /* Keep essential state changes */
  .view {
    transition: none;
    opacity: 1;
    transform: none;
  }
  
  .view.active {
    animation: none;
  }
  
  .view.active .view__content > * {
    opacity: 1;
    animation: none;
  }
  
  /* Disable decorative effects */
  .slide__marker::after,
  .progress-bar__fill::after,
  .results--celebration::before,
  .results--celebration::after,
  .loading-spinner::after {
    display: none;
  }
  
  /* Keep color changes (non-motion) */
  .game__timer--warning,
  .game__timer--urgent {
    animation: none;
  }
  
  /* Ensure content is visible */
  .stat {
    opacity: 1;
    animation: none;
  }
  
  .leaderboard__table tbody tr {
    opacity: 1;
    animation: none;
  }
  
  .slide__marker {
    animation: none;
  }
  
  .slide__error-zone,
  .slide__error-zone--correct {
    animation: none;
  }
}