/* ============================================
   Carpark Brain Attack - Styles
   Tailwind-inspired Color Palette
   Dark Theme: #1a1a2e Background
   Accent: #e53e3e (Red)
   ============================================ */

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

/* CSS Variables - Color Palette */
:root {
  /* Dark Theme Background Colors */
  --bg-dark: #1a1a2e;
  --bg-darker: #16162a;
  --bg-card: #252542;
  --bg-card-hover: #2d2d52;
  
  /* Accent Color - Red */
  --accent-red: #e53e3e;
  
  /* Primary Colors */
  --primary: #667eea;
  --primary-dark: #5a67d8;
  --primary-light: #764ba2;
  
  /* Accent Colors */
  --accent-green: #48bb78;
  --accent-red: #f56565;
  --accent-yellow: #ecc94b;
  --accent-blue: #4299e1;
  --accent-orange: #ed8936;
  --accent-purple: #9f7aea;
  --accent-pink: #ed64a6;
  
  /* Car Colors - High Contrast */
  --car-red: #ef4444;
  --car-yellow: #f59e0b;
  --car-blue: #3b82f6;
  --car-green: #10b981;
  --car-orange: #f97316;
  --car-purple: #8b5cf6;
  --car-pink: #ec4899;
  --car-cyan: #06b6d4;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-muted: #718096;
  
  /* Grid Colors */
  --grid-line: #4a5568;
  --grid-bg: #2d3748;
  
  /* UI Colors */
  --success: #48bb78;
  --warning: #ecc94b;
  --error: #f56565;
  --info: #4299e1;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
  --glow: 0 0 20px rgba(102, 126, 234, 0.5);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  
  /* Touch Targets */
  --touch-min: 44px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 480px;
  text-align: center;
}

.container.hidden {
  display: none;
}

/* Game Container */
#gameContainer {
  width: 100%;
  max-width: 480px;
}

#gameContainer.hidden {
  display: none;
}

/* ============================================
   Header
   ============================================ */
header {
  margin-bottom: 20px;
}

h1 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(90deg, var(--car-red), var(--car-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 10px rgba(239, 68, 68, 0.3);
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
}

/* ============================================
   HUD (Heads-Up Display)
   ============================================ */
.hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 15px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 5px;
}

.hud-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
  font-weight: 600;
}

.hud-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ============================================
   Game Area
   ============================================ */
.game-area {
  position: relative;
  display: inline-block;
  margin-bottom: 15px;
  border-radius: var(--radius-lg);
  padding: 4px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
  box-shadow: var(--shadow-xl);
}

#gameCanvas {
  border: 3px solid var(--grid-line);
  border-radius: var(--radius-md);
  background: var(--grid-bg);
  cursor: grab;
  touch-action: none;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
  max-width: 100%;
  height: auto;
  display: block;
}

#gameCanvas:active {
  cursor: grabbing;
}

#gameCanvas.dragging {
  cursor: grabbing;
}

#gameCanvas.draggable {
  cursor: grab;
}

/* Pause Button */
.pause-btn {
  position: absolute;
  top: -45px;
  right: 4px;
  width: var(--touch-min);
  height: var(--touch-min);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 50;
}

.pause-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.pause-btn:active {
  transform: scale(0.95);
}

/* ============================================
   Win Overlay
   ============================================ */
.win-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  opacity: 1;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(5px);
}

.win-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.win-content {
  text-align: center;
  padding: 30px;
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popIn {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.win-content h2 {
  font-size: 2.2rem;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glow 1.5s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    filter: drop-shadow(0 0 5px rgba(72, 187, 120, 0.5));
  }
  to {
    filter: drop-shadow(0 0 15px rgba(72, 187, 120, 0.8));
  }
}

.win-content p {
  color: var(--text-secondary);
  margin-bottom: 25px;
  font-size: 1.1rem;
}

.win-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Buttons - Base Styles
   ============================================ */
.controls {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

button {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button:active {
  transform: scale(0.95);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(5px);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, var(--error) 0%, #c53030 100%);
  color: var(--text-primary);
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 101, 101, 0.5);
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #38a169 100%);
  color: var(--text-primary);
}

/* ============================================
   Instructions
   ============================================ */
.instructions {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 15px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.instructions p {
  margin-bottom: 8px;
}

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

.instructions strong {
  color: var(--text-secondary);
}

/* ============================================
   MENU SYSTEM - Hauptmenü, Level Select, Pause
   ============================================ */

/* Menu Overlay Base */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 46, 0.98);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.menu-overlay.hidden {
  display: none;
}

.menu-content {
  background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-dark) 100%);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 520px;
  width: 92%;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ============================================
   MAIN MENU
   ============================================ */

/* Game Logo */
.game-logo {
  margin-bottom: 35px;
  text-align: center;
}

.logo-icon {
  font-size: 4.5rem;
  margin-bottom: 15px;
  display: block;
  animation: bounce 2s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(229, 62, 62, 0.4));
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.game-logo h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
  background: linear-gradient(90deg, var(--accent-red), #fc8181);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.game-logo .tagline {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
}

/* Menu Navigation */
.menu-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 25px 0;
}

.menu-btn {
  width: 100%;
  padding: 18px 28px;
  font-size: 1.05rem;
  font-weight: 600;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-red) 0%, #c53030 100%);
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(229, 62, 62, 0.35);
  transition: all 0.2s ease;
  min-height: 56px;
}

.menu-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(229, 62, 62, 0.5);
}

.menu-btn:active {
  transform: translateY(0);
}

.menu-btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: none;
}

.menu-btn.secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.menu-btn .btn-icon {
  font-size: 1.3rem;
  margin-right: 8px;
}

/* Menu Stats */
.menu-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-red);
  text-shadow: 0 2px 10px rgba(229, 62, 62, 0.3);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 4px;
}

/* ============================================
   LEVEL SELECT - 10x16 Grid (160 Levels)
   ============================================ */

.level-select-header {
  text-align: center;
  margin-bottom: 25px;
}

.level-select-header h2 {
  font-size: 1.6rem;
  margin-bottom: 5px;
  color: var(--text-primary);
}

.level-select-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Level Grid Container */
.level-grid-container {
  max-height: 60vh;
  overflow-y: auto;
  padding: 5px;
  margin: -5px;
}

/* Level Grid - 10 Spalten x 16 Reihen = 160 Level */
.level-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
  margin-bottom: 25px;
}

/* Level Button */
.level-btn {
  aspect-ratio: 1;
  padding: 0;
  font-size: 0.85rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
}

.level-btn:hover:not(:disabled) {
  background: rgba(229, 62, 62, 0.15);
  border-color: var(--accent-red);
  transform: scale(1.08);
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(229, 62, 62, 0.25);
}

.level-btn:active:not(:disabled) {
  transform: scale(0.95);
}

/* Completed Level */
.level-btn.completed {
  border-color: #48bb78;
  background: rgba(72, 187, 120, 0.12);
  color: #48bb78;
}

.level-btn.completed:hover:not(:disabled) {
  background: rgba(72, 187, 120, 0.2);
  box-shadow: 0 4px 12px rgba(72, 187, 120, 0.25);
}

/* Locked Level */
.level-btn.locked {
  opacity: 0.35;
  cursor: not-allowed;
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.05);
}

.level-btn .level-num {
  font-size: 0.9rem;
  line-height: 1;
}

.level-btn .level-stars {
  font-size: 0.6rem;
  margin-top: 2px;
  color: #ecc94b;
  letter-spacing: -1px;
}

.level-btn .level-lock {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1rem;
  opacity: 0.7;
}

/* Level Grid Scrollbar */
.level-grid-container::-webkit-scrollbar {
  width: 6px;
}

.level-grid-container::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.level-grid-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.level-grid-container::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ============================================
   PAUSE MENU
   ============================================ */

.pause-menu-content {
  text-align: center;
}

.pause-menu-content h2 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--text-primary);
}

.pause-menu-content .menu-nav {
  gap: 12px;
}

.pause-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 50;
}

.pause-btn:hover {
  background: rgba(229, 62, 62, 0.2);
  border-color: var(--accent-red);
  transform: scale(1.05);
}

.pause-btn:active {
  transform: scale(0.95);
}

/* ============================================
   Level Select
   ============================================ */
.level-select h2 {
  margin-bottom: 20px;
  color: var(--text-primary);
}

.level-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.tab-btn {
  padding: 8px 16px;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

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

.level-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

.level-btn {
  aspect-ratio: 1;
  padding: 10px;
  font-size: 1rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
}

.level-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  transform: scale(1.05);
}

.level-btn.completed {
  border-color: var(--success);
  background: rgba(72, 187, 120, 0.1);
}

.level-btn.locked {
  opacity: 0.5;
  cursor: not-allowed;
  background: rgba(0, 0, 0, 0.2);
}

.level-btn .level-num {
  font-size: 1.1rem;
}

.level-btn .level-stars {
  font-size: 0.7rem;
  margin-top: 2px;
}

.level-btn .level-lock {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.2rem;
}

/* ============================================
   SETTINGS MENU
   ============================================ */

.settings-header {
  text-align: center;
  margin-bottom: 25px;
}

.settings-header h2 {
  font-size: 1.6rem;
  color: var(--text-primary);
}

.settings-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 25px 0;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.setting-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 500;
}

.setting-icon {
  font-size: 1.3rem;
  width: 32px;
  text-align: center;
}

/* Toggle Button */
.toggle-btn {
  width: 52px;
  height: 30px;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  position: relative;
  transition: background 0.2s ease;
  padding: 0;
}

.toggle-btn.active {
  background: var(--accent-red);
}

.toggle-btn .toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--text-primary);
  transition: transform 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-btn.active .toggle-slider {
  transform: translateX(22px);
}

/* Back Button */
.back-btn {
  margin-top: 20px;
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.back-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

/* ============================================
   QUIZ SYSTEM - Level Skip
   ============================================ */

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

.quiz-header h2 {
  font-size: 1.8rem;
  margin-bottom: 8px;
  background: linear-gradient(90deg, var(--accent-yellow), var(--accent-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.quiz-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* Fortschritts-Punkte */
.quiz-progress {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 25px;
}

.quiz-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.quiz-dot.correct {
  background: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow: 0 0 10px rgba(72, 187, 120, 0.5);
}

.quiz-dot.wrong {
  background: var(--accent-red);
  border-color: var(--accent-red);
  box-shadow: 0 0 10px rgba(245, 101, 101, 0.5);
}

/* Frage */
.quiz-question {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.5;
  min-height: 3em;
}

/* Antwort-Optionen */
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-option-btn {
  width: 100%;
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: var(--touch-min);
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.quiz-option-btn:focus,
.quiz-option-btn:focus-visible,
.quiz-option-btn:active {
  outline: none;
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.quiz-option-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.12);
}

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

.quiz-option-btn.disabled {
  cursor: default;
  opacity: 0.7;
}

.quiz-option-btn.correct {
  background: rgba(72, 187, 120, 0.2) !important;
  border-color: var(--accent-green) !important;
  color: var(--accent-green) !important;
  opacity: 1 !important;
}

.quiz-option-btn.wrong {
  background: rgba(245, 101, 101, 0.2) !important;
  border-color: var(--accent-red) !important;
  color: var(--accent-red) !important;
  opacity: 1 !important;
}

/* Fun Fact */
.quiz-fact {
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(236, 201, 75, 0.1);
  border: 1px solid rgba(236, 201, 75, 0.25);
  border-radius: var(--radius-md);
  animation: popIn 0.3s ease;
}

.quiz-fact.hidden {
  display: none;
}

.quiz-fact p {
  font-size: 0.9rem;
  color: var(--accent-yellow);
  line-height: 1.5;
}

/* Ergebnis */
.quiz-result {
  padding: 20px 0;
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.quiz-result.hidden {
  display: none;
}

.quiz-result h3 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.quiz-result p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 25px;
  line-height: 1.5;
}

.quiz-result-buttons {
  display: flex;
  justify-content: center;
}

/* Quiz Footer */
.quiz-footer {
  margin-top: 10px;
}

/* ============================================
   Animations
   ============================================ */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

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

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================================
   Responsive Design - Mobile & Tablet
   ============================================ */

/* Tablet (bis 768px) */
@media (max-width: 768px) {
  .menu-content {
    padding: 30px;
    max-width: 480px;
  }
  
  .level-grid {
    grid-template-columns: repeat(8, 1fr);
    gap: 5px;
  }
  
  .level-btn {
    min-height: 42px;
    min-width: 42px;
  }
  
  .game-logo h1 {
    font-size: 1.9rem;
  }
}

/* Mobile (bis 480px) */
@media (max-width: 480px) {
  body {
    padding: 12px;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  .hud {
    padding: 12px;
    gap: 8px;
  }
  
  .hud-value {
    font-size: 1.1rem;
  }
  
  .menu-content {
    padding: 25px 20px;
    width: 95%;
  }
  
  /* Level Grid: 5 Spalten auf Mobile */
  .level-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
  }
  
  .level-btn {
    min-height: 52px;
    min-width: 52px;
    border-radius: 10px;
  }
  
  .level-btn .level-num {
    font-size: 1rem;
  }
  
  .level-btn .level-stars {
    font-size: 0.7rem;
  }
  
  button {
    padding: 14px 20px;
    font-size: 0.95rem;
    min-height: 50px;
  }
  
  .menu-btn {
    padding: 16px 24px;
    min-height: 54px;
  }
  
  .game-logo {
    margin-bottom: 25px;
  }
  
  .logo-icon {
    font-size: 3.5rem;
  }
  
  .game-logo h1 {
    font-size: 1.7rem;
  }
  
  .menu-stats {
    gap: 30px;
  }
  
  .stat-value {
    font-size: 1.8rem;
  }
  
  .pause-btn {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
  }
}

/* Kleinere Mobile (bis 360px) */
@media (max-width: 360px) {
  .level-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
  }
  
  .level-btn {
    min-height: 48px;
    min-width: 48px;
    border-radius: 8px;
  }
  
  .level-btn .level-num {
    font-size: 0.9rem;
  }
  
  .menu-content {
    padding: 20px 16px;
  }
  
  .game-logo h1 {
    font-size: 1.5rem;
  }
  
  .menu-btn {
    padding: 14px 20px;
    font-size: 0.95rem;
  }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .menu-content {
    max-height: 85vh;
    padding: 20px;
  }
  
  .game-logo {
    margin-bottom: 15px;
  }
  
  .logo-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
  }
  
  .menu-nav {
    gap: 10px;
    margin: 15px 0;
  }
  
  .menu-btn {
    padding: 12px 20px;
    min-height: 44px;
  }
  
  .level-grid {
    grid-template-columns: repeat(10, 1fr);
    gap: 4px;
  }
  
  .level-btn {
    min-height: 36px;
    min-width: 36px;
  }
}

/* ============================================
   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 */
button:focus-visible,
.level-btn:focus-visible,
.tab-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --grid-line: #ffffff;
    --text-muted: #e0e0e0;
  }
  
  .level-btn {
    border-width: 3px;
  }
}