/* Import Dragon Ball Z-stijl lettertype met optimale loading */
@import url('https://fonts.googleapis.com/css2?family=Bangers&display=swap');

/* Achievement notification animations */
@keyframes slideDown {
  from {
    transform: translateX(-50%) translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  to {
    transform: translateX(-50%) translateY(-100%);
    opacity: 0;
  }
}

/* CSS Custom Properties voor consistentie en maintainability */
:root {
  /* FORCE OVERRIDE: Dragon Ball Z kleuren ongeacht system theme */
  color-scheme: light !important;
  
  /* Dragon Ball Z Kleurenschema */
  --dbz-gold: #FFD700;
  --dbz-orange: #FFA500;
  --dbz-dark-blue: #001F3F;
  --dbz-green: #2a5f3f;
  --dbz-light-green: #6FBF73;
  --dbz-dark-green: #2E5F3E;
  
  /* Responsive Spacing */
  --spacing-xs: clamp(4px, 1vw, 8px);
  --spacing-sm: clamp(8px, 2vw, 12px);
  --spacing-md: clamp(12px, 3vw, 16px);
  --spacing-lg: clamp(16px, 4vw, 24px);
  --spacing-xl: clamp(20px, 5vw, 30px);
  
  /* Typography Scale */
  --text-xs: clamp(10px, 2.8vw, 14px);
  --text-sm: clamp(12px, 3.5vw, 16px);
  --text-md: clamp(16px, 4vw, 20px);
  --text-lg: clamp(20px, 5vw, 28px);
  --text-xl: clamp(24px, 6vw, 36px);
  --text-2xl: clamp(32px, 8vw, 48px);
  
  /* Shadows & Effects */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-text: 2px 2px 4px rgba(0, 0, 0, 0.5);
  
  /* Animation Timing */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s ease;
  
  /* Power-up Button Colors */
  --anvil-color: #8B4513;
  --anvil-hover: #A0522D;
  --rocket-color: #FF6B6B;
  --rocket-hover: #FF5252;
}

/* Reset en basis styling */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* FORCE BROWSER THEME OVERRIDE - Prevents dark mode interference */
html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  
  /* Force light mode styling */
  color-scheme: light !important;
  -webkit-color-scheme: light !important;
  
  /* Prevent browser dark mode auto-styling */
  background-color: var(--dbz-green) !important;
  color: var(--dbz-gold) !important;
  
  /* Samsung Internet / WebView specific overrides */
  -webkit-appearance: none !important;
  appearance: none !important;
  font-family: 'Bangers', cursive;
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

/* Body met lichtblauwe achtergrond */
body {
  background: linear-gradient(to bottom, #87CEEB 0%, #98D8E8 100%);
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Game Container - centraal op het scherm */
#gameContainer {
  position: relative;
  width: 800px;
  height: 1000px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  max-width: 95vw;
  max-height: 95vh;
  overflow: hidden;
  contain: layout style paint;
}

/* Canvas styling met duidelijke rand en consistent scaling */
#gameCanvas {
  /* Canvas wordt volledig gecontroleerd door CSS - geen hardcoded dimensies */
  width: 100%;
  height: 100%;
  border: 3px solid #FF6B35;
  border-radius: 8px;
  background-color: var(--dbz-green);
  display: block;
  box-shadow: var(--shadow-md);
  object-fit: contain;
  object-position: center;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

/* Focus states voor accessibility */
#gameCanvas:focus {
  outline: 3px solid var(--dbz-gold);
  outline-offset: 2px;
}

/* Algemene scherm overlay styling */
.screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(42, 95, 63, 0.95) 0%, rgba(34, 76, 51, 0.95) 100%);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #FFD700;
  text-align: center;
  padding: 20px;
  z-index: 10;
  backdrop-filter: blur(5px);
}

/* Titels styling */
h1 {
  font-size: 48px;
  color: #FFD700;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5),
               -1px -1px 0 #001F3F,
               1px -1px 0 #001F3F,
               -1px 1px 0 #001F3F,
               1px 1px 0 #001F3F;
  margin-top: 50px; /* Reduced whitespace for better layout */
  margin-bottom: 20px; /* Reduced bottom margin */
  letter-spacing: 2px;
}

h2 {
  font-size: 36px;
  color: #FFD700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: 30px;
}

/* Game knoppen in DBZ stijl met accessibility */
.game-button {
  background: linear-gradient(to bottom, var(--dbz-gold) 0%, var(--dbz-orange) 100%);
  color: var(--dbz-dark-blue);
  border: 3px solid var(--dbz-dark-blue);
  border-radius: 25px;
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--text-lg);
  font-family: 'Bangers', cursive;
  cursor: pointer;
  margin: var(--spacing-sm);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Focus state voor toetsenbordnavigatie */
.game-button:focus {
  outline: 3px solid var(--dbz-gold);
  outline-offset: 2px;
}

.game-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  background: linear-gradient(to bottom, #FFED4B 0%, #FFB347 100%);
}

.game-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Instellingen specifieke styling */
.setting-item {
  margin: 20px 0;
  width: 100%;
  max-width: 250px;
}

.setting-item label {
  display: block;
  font-size: 20px;
  margin-bottom: 10px;
  color: #FFD700;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* Snelheidsslider styling */
#speedSlider {
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: #001F3F;
  outline: none;
  -webkit-appearance: none;
}

#speedSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #FFD700;
  border: 3px solid #001F3F;
  cursor: pointer;
}

#speedSlider::-moz-range-thumb {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #FFD700;
  border: 3px solid #001F3F;
  cursor: pointer;
}

.speed-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
  font-size: 14px;
  color: #001F3F;
}

/* Score styling */
#finalScore {
  font-size: 28px;
  color: #FFD700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  margin: 20px 0;
}

#scoreValue {
  font-size: 36px;
  color: #FFF;
}

/* Difficulty display */
.difficulty-display {
  margin-top: 10px;
  font-size: 18px;
  color: #FFD700;
  font-weight: bold;
  letter-spacing: 1.15px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* High score styling */
#highScore {
  font-size: 20px;
  color: #FFA500;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  margin: 10px 0;
}

/* Difficulty Score Display */
#difficultyScore {
  font-size: 18px;
  color: #6FBF73;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  margin: 8px 0;
  font-weight: normal;
}

#difficultyName {
  color: #FFD700;
  font-weight: bold;
  letter-spacing: 1.15px;
}

/* Upgrade Suggestion Styling */
#upgradeSuggestion {
  font-size: 16px;
  color: #6FBF73;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
  margin: 15px 0;
  padding: 12px 20px;
  background: linear-gradient(135deg, rgba(111, 191, 115, 0.2), rgba(46, 95, 62, 0.2));
  border: 2px solid #6FBF73;
  border-radius: 15px;
  font-weight: bold;
  letter-spacing: 1.15px;
  text-align: center;
  animation: upgradeGlow 2s ease-in-out infinite alternate;
}

@keyframes upgradeGlow {
  0% {
    box-shadow: 0 0 5px rgba(111, 191, 115, 0.5);
  }
  100% {
    box-shadow: 0 0 15px rgba(111, 191, 115, 0.8);
  }
}

/* Countdown Timer Styling */
#countdownContainer {
  margin: 20px 0;
}

#countdownText {
  color: #FFD700;
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 1.15px;
  text-align: center;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

#countdownTimer {
  color: #FFA500;
  font-size: 24px;
  animation: countdownPulse 1s ease-in-out infinite;
}

@keyframes countdownPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Disabled Button Styling */
.game-button:disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
  background: linear-gradient(135deg, #666 0%, #444 100%) !important;
  border-color: #333 !important;
  transform: none !important;
  box-shadow: none !important;
}

.game-button:disabled:hover {
  background: linear-gradient(135deg, #666 0%, #444 100%) !important;
  transform: none !important;
}

/* Nickname input styling */
.nickname-section {
  margin: var(--spacing-lg) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.nickname-label {
  font-family: 'Bangers', cursive;
  font-size: var(--text-lg);
  color: var(--dbz-gold);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  letter-spacing: 1px;
}

.nickname-input {
  background: linear-gradient(to bottom, rgba(255, 215, 0, 0.1) 0%, rgba(255, 165, 0, 0.1) 100%);
  color: var(--dbz-gold);
  border: 3px solid var(--dbz-gold);
  border-radius: 25px;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--text-lg);
  font-family: 'Bangers', cursive;
  text-align: center;
  width: 100%;
  max-width: 300px;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  letter-spacing: 1px;
}

.nickname-input::placeholder {
  color: rgba(255, 215, 0, 0.6);
  font-family: 'Bangers', cursive;
  letter-spacing: 1px;
}

.nickname-input:focus {
  outline: none;
  border-color: var(--dbz-orange);
  background: linear-gradient(to bottom, rgba(255, 215, 0, 0.2) 0%, rgba(255, 165, 0, 0.2) 100%);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
  transform: translateY(-2px);
}

.nickname-input:hover {
  border-color: var(--dbz-orange);
  background: linear-gradient(to bottom, rgba(255, 215, 0, 0.15) 0%, rgba(255, 165, 0, 0.15) 100%);
}

/* Nickname preview styling */
.nickname-preview {
  margin-top: 8px;
  font-family: 'Bangers', cursive;
  font-size: 14px;
  color: rgba(255, 215, 0, 0.8);
  text-align: center;
  min-height: 20px;
  letter-spacing: 0.5px;
  transition: opacity 0.3s ease;
}

.nickname-preview:empty {
  opacity: 0;
}

/* Speed-up Overlay Styling */
#speedUpOverlay {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 215, 0, 0.5);
  color: #001F3F;
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 1.15px;
  padding: 15px 30px;
  border-radius: 15px;
  text-align: center;
  z-index: 1000;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  border: 2px solid #FFD700;
  animation: speedUpFadeIn 2s ease-in-out;
}

@keyframes speedUpFadeIn {
  0% {
    opacity: 0;
    transform: translateX(-50%) scale(0.8);
  }
  20% {
    opacity: 1;
    transform: translateX(-50%) scale(1.1);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

/* Controls Overlay Styling */
.controls-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.5) 0%, rgba(0, 15, 31, 0.5) 100%);
  padding: 30px 45px;
  border-radius: 25px;
  border: 4px solid #FFD700;
  color: white;
  font-family: 'Bangers', cursive;
  z-index: 1000;
  opacity: 0;
  display: none;
  transition: opacity 0.3s ease-in-out;
  box-shadow: 
    0 0 40px rgba(255, 215, 0, 0.6),
    inset 0 0 20px rgba(255, 215, 0, 0.1);
  min-width: 380px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.controls-overlay.show {
  display: block;
  opacity: 1;
  animation: controlsPulse 2s ease-in-out infinite;
}

@keyframes controlsPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.02); }
}

.controls-overlay.fade-out {
  opacity: 0;
  transition: opacity 1s ease-out;
  animation: none;
}

.controls-title {
  text-align: center;
  font-size: 32px;
  color: #FFD700;
  text-shadow: 
    2px 2px 4px rgba(0, 0, 0, 0.8),
    0 0 20px rgba(255, 215, 0, 0.5);
  margin-bottom: 25px;
  letter-spacing: 3px;
}

.controls-pc,
.controls-mobile {
  display: none;
}

/* Show based on device */
.desktop .controls-pc { display: block; }
.mobile .controls-mobile { display: block; }

.control-item {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20px 0;
  gap: 15px;
  font-size: 20px;
  letter-spacing: 1px;
}

/* Keyboard key styling */
.key-visual {
  background: linear-gradient(to bottom, #f0f0f0 0%, #d0d0d0 100%);
  color: #333;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: bold;
  font-size: 18px;
  min-width: 90px;
  text-align: center;
  border: 2px solid #999;
  box-shadow: 
    0 4px 0 #999,
    0 6px 8px rgba(0, 0, 0, 0.3);
  font-family: 'Courier New', monospace;
  display: inline-block;
  position: relative;
  top: -2px;
}

/* Tap visual for mobile */
.tap-visual {
  background: rgba(255, 215, 0, 0.2);
  border: 2px solid #FFD700;
  border-radius: 15px;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 120px;
  justify-content: center;
}

.tap-icon {
  font-size: 24px;
}

.tap-text {
  font-size: 16px;
  color: #FFD700;
  font-weight: bold;
}

.control-arrow {
  color: #FFD700;
  font-size: 24px;
  font-weight: bold;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.control-action {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 215, 0, 0.1);
  padding: 8px 20px;
  border-radius: 20px;
  border: 2px solid rgba(255, 215, 0, 0.3);
}

.control-action span {
  color: #FFD700;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.control-icon {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.boost-emoji {
  font-size: 24px;
}

.controls-hint {
  text-align: center;
  margin-top: 20px;
  color: rgba(255, 215, 0, 0.8);
  font-size: 18px;
  font-style: italic;
  letter-spacing: 1px;
  animation: hintGlow 2s ease-in-out infinite;
}

@keyframes hintGlow {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

/* Difficulty selection styling */
.difficulty-selection {
  margin-top: 30px;
  width: 100%;
  max-width: 300px;
}

.difficulty-selection h3 {
  font-size: 24px;
  color: #FFD700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  margin-bottom: 15px;
  letter-spacing: 1.5px;
}

/* Radio button group */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Radio label styling */
.radio-label {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  background: linear-gradient(to right, rgba(255, 215, 0, 0.2), rgba(255, 165, 0, 0.2));
  border: 2px solid #001F3F;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.radio-label:hover {
  background: linear-gradient(to right, rgba(255, 215, 0, 0.4), rgba(255, 165, 0, 0.4));
  transform: translateX(5px);
}

/* Hide default radio button */
.radio-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* Custom radio button */
.radio-label::before {
  content: '';
  width: 20px;
  height: 20px;
  border: 3px solid #001F3F;
  border-radius: 50%;
  margin-right: 15px;
  background: transparent;
  transition: all 0.3s ease;
}

/* Checked state */
.radio-label input[type="radio"]:checked ~ .radio-text {
  color: #001F3F !important;
  font-weight: bold;
  letter-spacing: 1.15px;
}

/* Ensure sub-labels are also dark on yellow background */
.radio-label input[type="radio"]:checked ~ .radio-text span {
  color: #001F3F !important;
  opacity: 0.8 !important;
}

.radio-label input[type="radio"]:checked + .radio-label::before,
.radio-label:has(input[type="radio"]:checked)::before {
  background: #FFD700;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.radio-label:has(input[type="radio"]:checked) {
  background: linear-gradient(to right, rgba(255, 215, 0, 0.5), rgba(255, 165, 0, 0.5));
  border-color: #FFD700;
}

/* Radio text */
.radio-text {
  font-size: 20px;
  color: #001F3F;
  text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.5);
  transition: all 0.3s ease;
  letter-spacing: 1.2px;
}

/* Restart hint */
.restart-hint {
  font-size: 14px;
  color: #FFD700;
  margin-top: 20px;
  opacity: 0.8;
}

/* Branding overlay op menu schermen - gecentreerd bovenaan */
.branding-overlay {
  position: absolute;
  top: 2.5%;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  background: linear-gradient(to right, rgba(255, 215, 0, 0.95), rgba(255, 165, 0, 0.95));
  color: #001F3F;
  padding: clamp(8px, 2vw, 12px) clamp(12px, 3vw, 16px);
  border-radius: 8px;
  font-family: 'Bangers', cursive;
  font-size: clamp(13.5px, 3.375vw, 18px); /* 25% smaller */
  font-weight: normal;
  border: 2px solid #001F3F;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: calc(100vw - 40px);
}

.branding-overlay:hover {
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  background: linear-gradient(to right, rgba(255, 235, 75, 0.95), rgba(255, 180, 70, 0.95));
}

/* Speciale styling voor branding tijdens gameplay - groter linksboven */
.canvas-branding {
  position: fixed;
  top: 20px;
  left: 20px;
  font-size: 32px;
  font-weight: normal;
  padding: clamp(12px, 2vw, 16px) clamp(16px, 3vw, 20px);
  width: auto;
  right: auto;
}

/* Media queries voor volledige mobiele responsiviteit */

/* Tablets en kleine laptops */
@media (max-width: 1024px) {
  #gameContainer {
    max-width: 90vw;
    max-height: 90vh;
  }
  
  h1 {
    font-size: clamp(32px, 8vw, 48px);
    margin-top: clamp(30px, 8vw, 50px); /* Reduced top padding for tablets */
    margin-bottom: clamp(15px, 3vw, 20px); /* Reduced bottom margin */
  }
  
  h2 {
    font-size: clamp(24px, 6vw, 36px);
  }
  
  .game-button {
    font-size: clamp(16.2px, 3.6vw, 21.6px); /* 10% smaller */
    padding: clamp(7.2px, 1.8vh, 10.8px) clamp(18px, 4.5vw, 27px); /* 10% smaller */
    text-align: center; /* Center text */
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .nickname-input {
    font-size: clamp(16px, 4vw, 20px);
    padding: clamp(8px, 2vh, 12px) clamp(16px, 4vw, 24px);
    max-width: 80%;
  }
  
  .nickname-label {
    font-size: clamp(16px, 4vw, 20px);
  }
}

/* Mobiele apparaten - Portrait */
@media (max-width: 768px) {
  body {
    padding: 0;
    align-items: flex-start;
    min-height: 100vh;
    min-height: -webkit-fill-available;
  }
  
  #gameContainer {
    width: 100vw;
    height: 100vh;
    height: -webkit-fill-available;
    max-width: 100vw;
    max-height: 100vh;
    max-height: -webkit-fill-available;
    border-radius: 0;
    position: fixed;
    top: 0;
    left: 0;
  }
  
  #gameCanvas {
    width: 100%;
    height: 100%;
    border-radius: 0;
    border: none;
    display: block;
  }
  
  .screen {
    border-radius: 0;
    padding: 5vh 5vw;
  }
  
  h1 {
    font-size: clamp(32px, 12vw, 64px);
    margin-top: clamp(40px, 10vh, 60px); /* Reduced top padding for mobile */
    margin-bottom: clamp(10px, 3vh, 20px); /* Reduced bottom margin */
  }
  
  h2 {
    font-size: clamp(24px, 10vw, 48px);
    margin-bottom: clamp(15px, 4vh, 30px);
  }
  
  .game-button {
    font-size: clamp(14px, 5.4vw, 29px); /* 10% smaller */
    padding: clamp(9px, 2.7vh, 13.5px) clamp(21.6px, 7.2vw, 36px); /* 10% smaller */
    margin: clamp(7.2px, 1.8vh, 10.8px); /* 10% smaller */
    min-height: 40px; /* 10% smaller but still touch-friendly */
    min-width: 40px; /* 10% smaller but still touch-friendly */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    text-align: center; /* Center text */
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .nickname-input {
    font-size: clamp(16px, 6vw, 24px);
    padding: clamp(10px, 3vh, 15px) clamp(20px, 6vw, 32px);
    max-width: 90%;
    min-height: 44px; /* iOS minimum touch target */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
  
  .nickname-label {
    font-size: clamp(16px, 5vw, 22px);
  }
  
  .branding-overlay {
    top: max(env(safe-area-inset-top, 2.5%), 2.5%);
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    font-size: clamp(10.5px, 3vw, 15px); /* 25% smaller */
    padding: clamp(6px, 1.5vw, 10px) clamp(8px, 2vw, 12px);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    word-break: break-word;
    line-height: 1.1;
    max-width: calc(100vw - 20px);
  }
  
  .canvas-branding {
    font-size: clamp(24px, 6vw, 32px);
    top: env(safe-area-inset-top, 10px);
    left: env(safe-area-inset-left, 10px);
    padding: clamp(8px, 2vw, 12px) clamp(12px, 3vw, 16px);
  }
  
  .setting-item {
    max-width: 80vw;
  }
  
  .setting-item label {
    font-size: clamp(16px, 5vw, 20px);
  }
  
  #speedSlider {
    height: 12px; /* Groter voor betere touch */
  }
  
  #speedSlider::-webkit-slider-thumb {
    width: 32px;
    height: 32px;
  }
  
  #speedSlider::-moz-range-thumb {
    width: 32px;
    height: 32px;
  }
  
  .speed-labels {
    font-size: clamp(12px, 3.5vw, 14px);
  }
  
  .difficulty-display {
    font-size: clamp(14px, 4vw, 18px);
  }
  
  #finalScore {
    font-size: clamp(20px, 7vw, 28px);
  }
  
  #scoreValue {
    font-size: clamp(24px, 8vw, 36px);
  }
  
  #highScore {
    font-size: clamp(16px, 5vw, 20px);
  }
  
  .difficulty-selection {
    margin-top: clamp(15px, 4vh, 30px);
    max-width: 90vw;
  }
  
  .difficulty-selection h3 {
    font-size: clamp(18px, 5vw, 24px);
    margin-bottom: clamp(10px, 2vh, 15px);
  }
  
  .radio-group {
    gap: clamp(6px, 1.5vh, 10px);
  }
  
  .radio-label {
    padding: clamp(8px, 2vh, 10px) clamp(16px, 4vw, 20px);
    min-height: 44px;
  }
  
  .radio-label::before {
    width: clamp(16px, 4vw, 20px);
    height: clamp(16px, 4vw, 20px);
    margin-right: clamp(10px, 2vw, 15px);
  }
  
  .radio-text {
    font-size: clamp(16px, 4.5vw, 20px);
  }
  
  .restart-hint {
    font-size: clamp(12px, 3.5vw, 14px);
  }
}

/* Landscape mode - mobiel */
@media (max-width: 768px) and (orientation: landscape) {
  .screen {
    padding: 2vh 5vw;
    justify-content: center;
  }
  
  h1 {
    font-size: clamp(24px, 8vh, 40px);
    margin-top: clamp(30px, 8vh, 50px); /* Reduced top padding for landscape */
    margin-bottom: clamp(5px, 1vh, 10px); /* Reduced bottom margin */
  }
  
  h2 {
    font-size: clamp(20px, 6vh, 32px);
    margin-bottom: clamp(8px, 1.5vh, 15px);
  }
  
  .game-button {
    font-size: clamp(12.6px, 3.6vh, 21.6px); /* 10% smaller */
    padding: clamp(5.4px, 1.35vh, 9px) clamp(14.4px, 3.6vw, 21.6px); /* 10% smaller */
    margin: clamp(3.6px, 0.9vh, 7.2px); /* 10% smaller */
    text-align: center; /* Center text */
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .branding-overlay {
    top: max(env(safe-area-inset-top, 1.5%), 1.5%);
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    font-size: clamp(7.5px, 2.25vh, 12px); /* 25% smaller */
    padding: clamp(4px, 1vh, 8px) clamp(6px, 1.5vw, 10px);
    min-height: 30px;
    max-width: calc(100vw - 10px);
  }
  
  .canvas-branding {
    font-size: clamp(16px, 4vh, 24px);
    top: env(safe-area-inset-top, 5px);
    left: env(safe-area-inset-left, 5px);
    padding: clamp(6px, 1vh, 10px) clamp(8px, 2vw, 12px);
  }
  
  .setting-item {
    margin: clamp(8px, 2vh, 15px) 0;
  }
  
  .setting-item label {
    font-size: clamp(14px, 4vh, 18px);
    margin-bottom: clamp(4px, 1vh, 8px);
  }
}

/* Zeer kleine mobiele apparaten */
@media (max-width: 480px) {
  .screen {
    padding: 3vh 3vw;
  }
  
  h1 {
    font-size: clamp(28px, 14vw, 56px);
    margin-top: clamp(70px, 18vh, 110px); /* 2.5x more top padding for large mobile */
  }
  
  h2 {
    font-size: clamp(20px, 12vw, 42px);
  }
  
  .game-button {
    font-size: clamp(14px, 7vw, 28px);
    padding: clamp(12px, 4vh, 18px) clamp(20px, 10vw, 36px);
  }
}

/* Zeer grote schermen */
@media (min-width: 1400px) {
  #gameContainer {
    max-width: 1000px;
    max-height: 1200px;
  }
}

/* Hoge DPI schermen */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  #gameCanvas {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* ================================ */
/* DARK MODE OVERRIDE - FORCE DBZ COLORS */
/* ================================ */

/* Override ALL possible dark mode detection */
@media (prefers-color-scheme: dark) {
  /* Force light mode appearance on ALL elements */
  *, *::before, *::after {
    color-scheme: light !important;
    -webkit-color-scheme: light !important;
  }
  
  /* Force body background and text colors */
  html, body {
    background-color: var(--dbz-green) !important;
    color: var(--dbz-gold) !important;
  }
  
  /* Force all game elements to use DBZ colors */
  .screen {
    background: linear-gradient(135deg, var(--dbz-green) 0%, var(--dbz-dark-green) 100%) !important;
    color: var(--dbz-gold) !important;
  }
  
  .game-button {
    background: linear-gradient(135deg, var(--dbz-gold) 0%, var(--dbz-orange) 100%) !important;
    color: var(--dbz-dark-blue) !important;
    border: 2px solid var(--dbz-dark-blue) !important;
  }
  
  .game-button:hover {
    background: linear-gradient(135deg, var(--dbz-orange) 0%, var(--dbz-gold) 100%) !important;
    color: var(--dbz-dark-blue) !important;
  }
  
  .branding-overlay {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.95) 0%, rgba(255, 165, 0, 0.95) 100%) !important;
    color: var(--dbz-dark-blue) !important;
    border: 2px solid var(--dbz-dark-blue) !important;
  }
  
  /* Force radio button colors */
  .radio-label {
    color: var(--dbz-gold) !important;
  }
  
  .radio-label input[type="radio"]:checked ~ .radio-text {
    background-color: var(--dbz-gold) !important;
    color: var(--dbz-dark-blue) !important;
  }
  
  .radio-label input[type="radio"]:checked ~ .radio-text span {
    color: var(--dbz-dark-blue) !important;
    opacity: 0.8 !important;
  }
  
  /* Force canvas background */
  #gameCanvas {
    background-color: var(--dbz-green) !important;
  }
  
  /* Force all headings */
  h1, h2, h3, h4, h5, h6 {
    color: var(--dbz-gold) !important;
  }
  
  /* Force all paragraphs and text */
  p, span, label, div {
    color: var(--dbz-gold) !important;
  }
}

/* Samsung Internet Browser specific overrides */
@supports (-webkit-appearance: none) {
  html, body, * {
    -webkit-appearance: none !important;
    appearance: none !important;
    color-scheme: light !important;
  }
}

/* Force override voor alle meta color-scheme declaraties */
html {
  color-scheme: light !important;
}

/* WebView en embedded browser overrides */
@media screen {
  html, body {
    background-color: var(--dbz-green) !important;
    color: var(--dbz-gold) !important;
  }
  
  /* Force override voor alle mogelijke system styling */
  input, button, select, textarea {
    color-scheme: light !important;
    -webkit-color-scheme: light !important;
  }
}

/* ================================ */
/* POWER-UP BUTTON STYLING */
/* ================================ */

.power-up-button {
  background: transparent;
  border: none;
  width: clamp(60px, 15vw, 80px);
  height: clamp(60px, 15vw, 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: clamp(24px, 8vw, 36px);
  opacity: 0.75;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.power-up-button:hover {
  opacity: 0.7;
}

.power-up-button:active {
  opacity: 0.3;
}

/* Verwijderd: power-up-icon en power-up-text classes (niet meer nodig)
   Verwijderd: Anvil en Raket button specific styling (geen backdrop kleuren meer) */

/* Mobile responsive power-up buttons */
@media (max-width: 768px) {
  .power-up-button {
    width: clamp(50px, 18vw, 70px);
    height: clamp(50px, 18vw, 70px);
    font-size: clamp(20px, 9vw, 30px);
  }
}

/* Landscape mode adjustments */
@media (max-width: 768px) and (orientation: landscape) {
  .power-up-button {
    width: clamp(40px, 12vh, 60px);
    height: clamp(40px, 12vh, 60px);
    font-size: clamp(16px, 6vh, 24px);
  }
}

/* ================================ */
/* HIGH SCORES SCREEN STYLING */
/* ================================ */

.difficulty-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
}

.difficulty-tab {
  background: linear-gradient(to bottom, rgba(255, 215, 0, 0.3) 0%, rgba(255, 165, 0, 0.3) 100%);
  color: var(--dbz-gold);
  border: 2px solid var(--dbz-dark-blue);
  border-radius: 15px;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--text-md);
  font-family: 'Bangers', cursive;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
  min-width: 80px;
}

.difficulty-tab:hover {
  background: linear-gradient(to bottom, rgba(255, 215, 0, 0.5) 0%, rgba(255, 165, 0, 0.5) 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.difficulty-tab.active {
  background: linear-gradient(to bottom, var(--dbz-gold) 0%, var(--dbz-orange) 100%);
  color: var(--dbz-dark-blue);
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.5);
}

.high-score-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  margin: var(--spacing-sm) 0;
  background: linear-gradient(to right, rgba(255, 215, 0, 0.1) 0%, rgba(255, 165, 0, 0.1) 100%);
  border: 2px solid rgba(255, 215, 0, 0.3);
  border-radius: 10px;
  font-family: 'Bangers', cursive;
}

.high-score-item:first-child {
  background: linear-gradient(to right, rgba(255, 215, 0, 0.3) 0%, rgba(255, 165, 0, 0.3) 100%);
  border-color: var(--dbz-gold);
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.high-score-rank {
  font-size: var(--text-lg);
  font-weight: bold;
  color: var(--dbz-gold);
  min-width: 40px;
}

.high-score-name {
  font-size: var(--text-md);
  color: var(--dbz-gold);
  flex-grow: 1;
  text-align: left;
  margin-left: var(--spacing-md);
  margin-right: var(--spacing-lg);  /* Extra spacing tussen nickname en score */
}

.high-score-score {
  font-size: var(--text-lg);
  font-weight: bold;
  color: #FFF;
}

.high-score-item:first-child .high-score-rank {
  color: #FFD700;
}

.high-score-item:first-child .high-score-name {
  color: #FFD700;
}

.high-score-item:first-child .high-score-score {
  color: #FFD700;
}

/* Mobile responsive high scores */
@media (max-width: 768px) {
  .difficulty-tabs {
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
  }
  
  .difficulty-tab {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--text-sm);
    min-width: 60px;
  }
  
  .high-score-item {
    padding: var(--spacing-sm);
    margin: var(--spacing-xs) 0;
  }
  
  .high-score-rank {
    font-size: var(--text-md);
    min-width: 30px;
  }
  
  .high-score-name {
    font-size: var(--text-sm);
    margin-left: var(--spacing-sm);
    margin-right: var(--spacing-md);  /* Extra spacing tussen nickname en score op mobile */
  }
  
  .high-score-score {
    font-size: var(--text-md);
  }
}

/* ================================ */
/* LOADING HIGH SCORES OVERLAY */
/* ================================ */

.loading-overlay {
  position: fixed;
  top: 2.5%;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  background: linear-gradient(to right, rgba(255, 215, 0, 0.15), rgba(255, 165, 0, 0.15));
  color: rgba(0, 31, 63, 0.8);
  padding: clamp(8px, 2vw, 12px) clamp(12px, 3vw, 16px);
  border-radius: 8px;
  font-family: 'Bangers', cursive;
  font-size: clamp(13.5px, 3.375vw, 18px); /* 25% smaller */
  font-weight: normal;
  border: 2px solid rgba(0, 31, 63, 0.15);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
  user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: calc(100vw - 40px);
  z-index: 9998;
  opacity: 0.25;
  animation: loadingPulse 1.5s ease-in-out infinite;
}

@keyframes loadingPulse {
  0%, 100% {
    opacity: 0.25;
  }
  50% {
    opacity: 0.4;
  }
}

/* Mobile responsive loading overlay */
@media (max-width: 768px) {
  .loading-overlay {
    top: max(env(safe-area-inset-top, 2.5%), 2.5%);
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    font-size: clamp(10.5px, 3vw, 15px); /* 25% smaller */
    padding: clamp(6px, 1.5vw, 10px) clamp(8px, 2vw, 12px);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    word-break: break-word;
    line-height: 1.1;
    max-width: calc(100vw - 20px);
  }
}

/* Landscape mode loading overlay */
@media (max-width: 768px) and (orientation: landscape) {
  .loading-overlay {
    top: max(env(safe-area-inset-top, 1.5%), 1.5%);
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    font-size: clamp(7.5px, 2.25vh, 12px); /* 25% smaller */
    padding: clamp(4px, 1vh, 8px) clamp(6px, 1.5vw, 10px);
    min-height: 30px;
    max-width: calc(100vw - 10px);
  }
}