/* ===== Modern Financial Literacy Presentation Styles ===== */

:root {
  /* Modern Color Palette */
  --primary-blue: #3B82F6;
  --primary-green: #10B981;
  --primary-orange: #F97316;
  --primary-red: #EF4444;
  --primary-purple: #8B5CF6;
  --primary-teal: #1FB8CD;
  
  /* Neutral Colors */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-tertiary: #94A3B8;
  --border-color: #E2E8F0;
  
  /* Section Backgrounds - Subtle Gradients */
  --section-blue-bg: linear-gradient(135deg, #EBF8FF 0%, #E0F2FE 100%);
  --section-green-bg: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
  --section-orange-bg: linear-gradient(135deg, #FFF7ED 0%, #FFEDD5 100%);
  
  /* Typography */
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== App Container ===== */
.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  max-width: 100%;
  margin: 0;
}

/* ===== Header ===== */
.app-header {
  display: none;
}

.header-content {
  max-width: 800px;
  margin: 0 auto;
}

.header-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-subtitle {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  opacity: 0.95;
  font-weight: 400;
}

/* ===== Progress Bar ===== */
.progress-wrapper {
  display: none;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
  transition: width var(--transition-slow);
  border-radius: 999px;
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== Slide Container ===== */
.slide {
  flex: 1;
  background: var(--bg-primary);
  border-radius: 0;
  padding: var(--spacing-3xl);
  box-shadow: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: calc(100vh - 100px);
  transition: opacity var(--transition-fast);
  margin-bottom: 0;
}

.slide-content {
  width: 100%;
  max-width: 900px;
  animation: fadeIn var(--transition-slow);
}

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

/* Section-specific styles */
.section-blue {
  background: var(--section-blue-bg);
  border-left: 6px solid var(--primary-blue);
}

.section-green {
  background: var(--section-green-bg);
  border-left: 6px solid var(--primary-green);
}

.section-orange {
  background: var(--section-orange-bg);
  border-left: 6px solid var(--primary-orange);
}

/* Typography within slides */
.slide h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.slide h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.slide h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.slide p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.slide .title {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  background: linear-gradient(135deg, var(--primary-teal), var(--primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.slide .subtitle {
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  color: var(--text-secondary);
  font-weight: 400;
}

.slide .branding {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  margin-top: var(--spacing-lg);
  color: var(--text-primary);
}

.slide .school {
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  color: var(--text-tertiary);
  margin-top: var(--spacing-sm);
}

.slide ul, .slide ol {
  text-align: left;
  margin: var(--spacing-lg) auto;
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 600px;
}

.slide li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

/* ===== Navigation Controls ===== */
.nav-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: 0;
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  flex-wrap: wrap;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.nav-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--transition-base), height var(--transition-base);
}

.nav-btn:hover::before {
  width: 300px;
  height: 300px;
}

.nav-btn--primary {
  background: linear-gradient(135deg, var(--primary-teal), var(--primary-blue));
  color: white;
}

.nav-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.nav-btn--secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-btn--secondary:hover {
  background: var(--border-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.nav-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.nav-btn svg {
  position: relative;
  z-index: 1;
}

.nav-btn span {
  position: relative;
  z-index: 1;
}

.slide-counter {
  font-size: 1.125rem;
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.slide-counter:hover {
  border-color: var(--primary-teal);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

/* ===== Buttons in Slides ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  margin: var(--spacing-sm);
}

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

.btn--outline:hover {
  background: var(--primary-blue);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.poll-option {
  width: 100%;
  max-width: 400px;
  font-size: 1.125rem;
  padding: var(--spacing-lg);
  margin: var(--spacing-sm) 0;
}

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

.reveal-btn:hover {
  background: var(--primary-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.reveal-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
}

/* ===== Charts ===== */
.chart-container {
  width: 100%;
  max-width: 500px;
  height: 300px;
  margin: var(--spacing-md) auto;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

/* ===== Tables ===== */
.scoreboard-table {
  width: 100%;
  max-width: 600px;
  margin: var(--spacing-xl) auto;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.scoreboard-table th,
.scoreboard-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.scoreboard-table th {
  background: linear-gradient(135deg, var(--primary-teal), var(--primary-blue));
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.scoreboard-table tr:last-child td {
  border-bottom: none;
}

.scoreboard-table tr:hover {
  background: var(--bg-secondary);
}

.scoreboard-table input {
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  width: 100%;
}

/* ===== Utilities ===== */
.hidden {
  display: none;
}

.answer {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  font-size: 1.125rem;
  font-weight: 600;
  animation: fadeIn var(--transition-slow);
}

/* ===== Keyboard Shortcuts Info ===== */
.shortcuts-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.shortcuts-info kbd {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* ===== Footer ===== */
.app-footer {
  display: none;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-sm);
  }
  
  .slide {
    padding: var(--spacing-xl);
    min-height: 400px;
  }
  
  .app-header {
    padding: var(--spacing-lg);
  }
  
  .nav-controls {
    gap: var(--spacing-md);
  }
  
  .nav-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
  }
  
  .nav-btn span {
    display: none;
  }
  
  .slide-counter {
    font-size: 0.875rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .shortcuts-info {
    font-size: 0.75rem;
  }
  
  .chart-container {
    height: 300px;
  }
}

@media (max-width: 480px) {
  .slide {
    padding: var(--spacing-lg);
  }
  
  .nav-btn svg {
    width: 16px;
    height: 16px;
  }
}

/* ===== Print Styles ===== */
@media print {
  .nav-controls,
  .progress-wrapper,
  .shortcuts-info,
  .app-footer,
  .app-header {
    display: none;
  }
  
  .slide {
    page-break-inside: avoid;
    box-shadow: none;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 3px solid var(--primary-teal);
  outline-offset: 2px;
}

/* ===== GAME STYLES ===== */

/* Game slides */
.game-slide {
  background: linear-gradient(135deg, #F8FAFC 0%, #E0F2FE 100%);
  border-left: 6px solid var(--primary-purple);
}

.game-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  background: linear-gradient(135deg, var(--primary-purple), var(--primary-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
}

.game-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.game-btn {
  margin-top: var(--spacing-lg);
  font-size: 1.125rem;
  padding: var(--spacing-lg) var(--spacing-2xl);
}

.game-result {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  animation: fadeIn var(--transition-slow);
}

/* Game 1: Money Mindset Quiz */
.game-progress {
  margin-bottom: var(--spacing-xl);
}

.progress-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.game-progress-bar {
  width: 100%;
  height: 12px;
  background: var(--bg-tertiary);
  border-radius: 999px;
  overflow: hidden;
}

.game-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-purple), var(--primary-teal));
  transition: width var(--transition-slow);
  border-radius: 999px;
}

.game-question {
  margin: var(--spacing-xl) 0;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

.game-options {
  display: grid;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.game-option {
  width: 100%;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: left;
}

.game-option:hover {
  background: var(--primary-teal);
  color: white;
  border-color: var(--primary-teal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.game-option:active {
  transform: translateY(0);
}

/* Game 2: Needs vs Wants Sorting */
.game-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-box {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #EBF8FF, #E0F2FE);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-teal);
}

.sorting-zones {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.drop-zone {
  min-height: 200px;
  padding: var(--spacing-lg);
  border: 3px dashed var(--border-color);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-base);
}

.needs-zone {
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  border-color: var(--primary-green);
}

.wants-zone {
  background: linear-gradient(135deg, #FFF7ED, #FFEDD5);
  border-color: var(--primary-orange);
}

.drop-zone.drag-over {
  border-style: solid;
  border-width: 4px;
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.drop-zone h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.dropped-items {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sorting-items {
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.sorting-item {
  display: inline-block;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: white;
  border: 2px solid var(--primary-purple);
  border-radius: var(--radius-lg);
  font-size: 1.25rem;
  font-weight: 600;
  cursor: grab;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  user-select: none;
}

.sorting-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.sorting-item:active,
.sorting-item.selected {
  cursor: grabbing;
  transform: scale(1.05);
  background: var(--primary-purple);
  color: white;
}

/* Game 3: Savings Calculator */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group label {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calc-input {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.125rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-family: var(--font-family);
  transition: all var(--transition-base);
  background: var(--bg-secondary);
}

.calc-input:focus {
  outline: none;
  border-color: var(--primary-teal);
  background: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(31, 184, 205, 0.1);
}

.calc-result {
  margin-top: var(--spacing-xl);
  animation: fadeIn var(--transition-slow);
}

/* Game 4: Budget Builder */
.budget-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 500px;
  margin: 0 auto;
}

.budget-allocator {
  animation: fadeIn var(--transition-slow);
  max-width: 800px;
  margin: 0 auto;
}

.budget-visual {
  margin-bottom: var(--spacing-2xl);
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
}

.budget-bar {
  display: flex;
  width: 100%;
  height: 80px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 3px solid white;
}

.budget-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s ease;
  position: relative;
  min-width: 0;
}

.budget-segment:hover {
  transform: scale(1.02);
  z-index: 10;
}

.budget-segment:not(:last-child) {
  border-right: 2px solid rgba(255, 255, 255, 0.3);
}

.budget-label {
  font-weight: 700;
  font-size: 1.125rem;
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 8px;
}

.needs-segment {
  background: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
}

.wants-segment {
  background: linear-gradient(135deg, #F97316 0%, #C2410C 100%);
}

.savings-segment {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

.budget-sliders {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.slider-group label {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.slider-group label span {
  font-weight: 700;
  font-size: 1.125rem;
}

#needs-percent, #needs-amount {
  color: #3B82F6;
}

#wants-percent, #wants-amount {
  color: #F97316;
}

#savings-percent, #savings-amount {
  color: #10B981;
}

.budget-slider {
  width: 100%;
  height: 16px;
  border-radius: 999px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  background: transparent;
}

.budget-slider::-webkit-slider-track {
  width: 100%;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(to right, #E5E7EB 0%, #D1D5DB 100%);
  border: 2px solid #CBD5E1;
}

.budget-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: white;
  border: 4px solid var(--primary-teal);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
  margin-top: -8px;
}

.budget-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.budget-slider::-webkit-slider-thumb:active {
  transform: scale(1.05);
}

.budget-slider::-moz-range-track {
  width: 100%;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(to right, #E5E7EB 0%, #D1D5DB 100%);
  border: 2px solid #CBD5E1;
}

.budget-slider::-moz-range-thumb {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: white;
  border: 4px solid var(--primary-teal);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

.budget-slider::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.budget-slider::-moz-range-thumb:active {
  transform: scale(1.05);
}

.needs-slider::-webkit-slider-thumb {
  border-color: #3B82F6;
  background: linear-gradient(135deg, #3B82F6, #60A5FA);
}

.wants-slider::-webkit-slider-thumb {
  border-color: #F97316;
  background: linear-gradient(135deg, #F97316, #FB923C);
}

.savings-slider::-webkit-slider-thumb {
  border-color: #10B981;
  background: linear-gradient(135deg, #10B981, #34D399);
}

.needs-slider::-moz-range-thumb {
  border-color: #3B82F6;
  background: linear-gradient(135deg, #3B82F6, #60A5FA);
}

.wants-slider::-moz-range-thumb {
  border-color: #F97316;
  background: linear-gradient(135deg, #F97316, #FB923C);
}

.savings-slider::-moz-range-thumb {
  border-color: #10B981;
  background: linear-gradient(135deg, #10B981, #34D399);
}

/* Custom track colors for each slider */
.needs-slider::-webkit-slider-track {
  background: linear-gradient(to right, #DBEAFE 0%, #BFDBFE 100%);
  border-color: #93C5FD;
}

.wants-slider::-webkit-slider-track {
  background: linear-gradient(to right, #FFEDD5 0%, #FED7AA 100%);
  border-color: #FDBA74;
}

.savings-slider::-webkit-slider-track {
  background: linear-gradient(to right, #D1FAE5 0%, #A7F3D0 100%);
  border-color: #6EE7B7;
}

.needs-slider::-moz-range-track {
  background: linear-gradient(to right, #DBEAFE 0%, #BFDBFE 100%);
  border-color: #93C5FD;
}

.wants-slider::-moz-range-track {
  background: linear-gradient(to right, #FFEDD5 0%, #FED7AA 100%);
  border-color: #FDBA74;
}

.savings-slider::-moz-range-track {
  background: linear-gradient(to right, #D1FAE5 0%, #A7F3D0 100%);
  border-color: #6EE7B7;
}

.budget-feedback {
  margin: var(--spacing-xl) 0;
  min-height: 80px;
  animation: fadeIn var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.budget-feedback > div {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-size: 1.125rem;
  font-weight: 600;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-left: 6px solid;
  animation: slideInUp 0.4s ease;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Responsive Game Styles ===== */
@media (max-width: 768px) {
  .game-container {
    padding: var(--spacing-lg);
  }
  
  .game-stats {
    grid-template-columns: 1fr;
  }
  
  .sorting-zones {
    grid-template-columns: 1fr;
  }
  
  .drop-zone {
    min-height: 150px;
  }
  
  .stat-value {
    font-size: 1.5rem;
  }
  
  .budget-bar {
    height: 100px;
    flex-direction: column;
  }
  
  .budget-segment {
    width: 100% !important;
    min-height: 33.33%;
    flex-direction: row;
  }
  
  .budget-visual {
    padding: var(--spacing-md);
  }
  
  .budget-sliders {
    padding: var(--spacing-md);
    gap: var(--spacing-xl);
  }
  
  .slider-group label {
    font-size: 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}

@media (max-width: 480px) {
  .game-option {
    font-size: 1rem;
    padding: var(--spacing-md);
  }
  
  .sorting-item {
    font-size: 1rem;
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .calc-input {
    font-size: 1rem;
  }
  
  .budget-label {
    font-size: 0.875rem;
  }
  
  .budget-bar {
    height: 120px;
  }
  
  .budget-slider::-webkit-slider-thumb {
    width: 28px;
    height: 28px;
  }
  
  .budget-slider::-moz-range-thumb {
    width: 28px;
    height: 28px;
  }
}

/* ===== Fullscreen Presentation Mode ===== */
:fullscreen .container,
:-webkit-full-screen .container,
:-moz-full-screen .container {
  max-width: 100%;
  padding: 0;
  background: var(--bg-primary);
}

:fullscreen .app-header,
:-webkit-full-screen .app-header,
:-moz-full-screen .app-header {
  border-radius: 0;
  margin-bottom: 0;
  padding: var(--spacing-md) var(--spacing-xl);
}

:fullscreen .app-footer,
:-webkit-full-screen .app-footer,
:-moz-full-screen .app-footer {
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: 0.875rem;
}

:fullscreen .slide,
:-webkit-full-screen .slide,
:-moz-full-screen .slide {
  min-height: calc(100vh - 200px);
  max-width: 100%;
  padding: var(--spacing-2xl);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

:fullscreen .nav-controls,
:-webkit-full-screen .nav-controls,
:-moz-full-screen .nav-controls {
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

/* Hide header and footer in fullscreen for true PPT experience */
:fullscreen.presentation-mode .app-header,
:-webkit-full-screen.presentation-mode .app-header,
:-moz-full-screen.presentation-mode .app-header,
:fullscreen.presentation-mode .app-footer,
:-webkit-full-screen.presentation-mode .app-footer,
:-moz-full-screen.presentation-mode .app-footer {
  display: none;
}

:fullscreen.presentation-mode .slide,
:-webkit-full-screen.presentation-mode .slide,
:-moz-full-screen.presentation-mode .slide {
  min-height: calc(100vh - 80px);
}