/* ===================================
   SNAKE GAME - NEO-RETRO DESIGN SYSTEM
   =================================== */

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ===================================
   CSS VARIABLES & THEMING
   =================================== */
:root {
  /* Dark Mode Colors (Default) */
  --primary-bg: #0a0a0f;
  --secondary-bg: #1a1a2e;
  --card-bg: rgba(26, 26, 46, 0.8);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
  
  /* Neon Accent Colors */
  --neon-cyan: #00fff0;
  --neon-pink: #ff006e;
  --neon-yellow: #ffb700;
  --neon-green: #00ff88;
  --neon-purple: #9d4edd;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #b4b4b4;
  --text-muted: #6c6c6c;
  
  /* Game Colors */
  --snake-color: var(--neon-yellow);
  --food-color: var(--neon-pink);
  --grid-color: rgba(255, 255, 255, 0.05);
  
  /* Shadows & Effects */
  --glow-small: 0 0 10px;
  --glow-medium: 0 0 20px;
  --glow-large: 0 0 30px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Light Mode Variables */
[data-theme="light"] {
  --primary-bg: #f5f5f7;
  --secondary-bg: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.9);
  --glass-bg: rgba(0, 0, 0, 0.02);
  --glass-border: rgba(0, 0, 0, 0.1);
  
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a4a;
  --text-muted: #8a8a8a;
  
  --grid-color: rgba(0, 0, 0, 0.05);
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--primary-bg);
  font-family: 'Space Grotesk', Arial, sans-serif;
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background var(--transition-slow);
}

/* CRT Scanlines Effect - Classic Retro Monitor Aesthetic */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.03),
    rgba(0, 0, 0, 0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 1;
  z-index: -2;
  pointer-events: none;
}

/* Grid pattern overlay - MORE VISIBLE */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -1;
  opacity: 0.6; /* Reduced from 0.8 for better balance */
}

/* ===================================
   MAIN CONTAINER
   =================================== */
.container {
  text-align: center;
  padding: 20px;
  max-width: 1200px;
  width: 100%;
  position: relative;
  z-index: 1;
}

/* ===================================
   HEADER & TITLE
   =================================== */
h1 {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(45deg, var(--neon-yellow), var(--neon-pink), var(--neon-cyan));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
  margin-bottom: 30px;
  letter-spacing: 2px;
  animation: glowPulse 2s ease-in-out infinite;
  filter: drop-shadow(0 0 20px rgba(255, 183, 0, 0.5));
}

@keyframes glowPulse {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(255, 183, 0, 0.5)); }
  50% { filter: drop-shadow(0 0 30px rgba(255, 183, 0, 0.8)); }
}

/* ===================================
   USER INFO BAR - FIXED VERSION
   =================================== */
#userInfo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  margin-bottom: 25px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  gap: 15px;
  position: relative;
}

/* Remove the problematic shimmer effect */
#userInfo::before {
  display: none;
}

#loggedInUser,
#loggedOutUser {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 15px;
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

#userInfo span {
  color: var(--text-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Clean navigation buttons - no more jittery effects */
.btn-nav {
  color: var(--text-primary);
  background: var(--secondary-bg);
  text-decoration: none;
  font-weight: 600;
  padding: 10px 18px;
  border: 2px solid var(--glass-border);
  border-radius: 8px;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  position: relative;
  display: inline-block;
}

/* Simple hover effect - just color changes */
.btn-nav:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  background: rgba(0, 255, 240, 0.1);
  box-shadow: 0 0 15px rgba(0, 255, 240, 0.2);
}

/* Special styling for logout button */
.btn-logout {
  color: white;
  background: var(--neon-pink);
  border: 2px solid var(--neon-pink);
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-logout:hover {
  background: rgba(255, 0, 110, 0.8);
  box-shadow: 0 0 15px rgba(255, 0, 110, 0.3);
}

.guest-notice {
  color: var(--neon-pink);
  font-size: 0.85rem;
  font-style: italic;
}

/* ===================================
   THEME TOGGLE SWITCH
   =================================== */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.theme-switch {
  position: relative;
  width: 60px;
  height: 30px;
  background: var(--secondary-bg);
  border: 2px solid var(--glass-border);
  border-radius: 15px;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.theme-switch::before {
  content: '🌙';
  position: absolute;
  left: 5px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  transition: all var(--transition-normal);
}

[data-theme="light"] .theme-switch::before {
  content: '☀️';
  left: 32px;
}

.theme-switch:hover {
  box-shadow: var(--glow-small) var(--neon-purple);
}

/* ===================================
   PAGE NAVIGATION
   =================================== */
.page-nav {
  margin-bottom: 30px;
  text-align: left;
}

/* ===================================
   SETTINGS PAGE STYLES
   =================================== */
.settings-container {
  max-width: 800px;
  margin: 0 auto;
}

.settings-section {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  margin-bottom: 30px;
}

.settings-section h2 {
  color: var(--neon-cyan);
  font-size: 1.8rem;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-description {
  color: var(--text-secondary);
  margin-bottom: 30px;
  font-size: 1.1rem;
}

.key-binding-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 30px;
}

.key-binding-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid var(--glass-border);
}

.key-binding-row:last-child {
  border-bottom: none;
}

.key-binding-row label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.key-input {
  background: var(--secondary-bg);
  border: 2px solid var(--glass-border);
  border-radius: 8px;
  padding: 12px 20px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  min-width: 80px;
  text-align: center;
  font-family: 'Press Start 2P', monospace;
}

.key-input:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 255, 240, 0.2);
}

.key-input.listening {
  border-color: var(--neon-yellow);
  background: rgba(255, 183, 0, 0.1);
  box-shadow: 0 0 20px rgba(255, 183, 0, 0.3);
  animation: pulse 1s infinite;
}

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

.preset-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.btn-preset {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: white;
  border: none;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 0.9rem;
}

.btn-preset:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(157, 78, 221, 0.4);
}

.settings-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-save {
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 1rem;
}

.btn-save:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.btn-reset {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-yellow));
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 1rem;
}

.btn-reset:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 0, 110, 0.4);
}

.login-notice {
  background: rgba(255, 0, 110, 0.1);
  border: 2px solid var(--neon-pink);
  border-radius: 15px;
  padding: 20px;
  text-align: center;
  color: var(--neon-pink);
  font-weight: 600;
}

.login-notice p {
  margin-bottom: 15px;
  font-size: 1.1rem;
}

/* ===================================
   GAME AREA
   =================================== */
.game-area {
  position: relative;
  display: inline-block;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 2px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* CRT Screen Effect Container */
.crt-container {
  position: relative;
  display: inline-block;
  border-radius: 10px;
  overflow: hidden;
}

/* Fullscreen Button */
.fullscreen-btn {
  position: absolute;
  top: 20px;
  right: -46px;
  width: 36px;
  height: 36px;
  background: rgba(10, 10, 15, 0.8);
  border: 2px solid var(--neon-purple);
  border-radius: 8px;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--glow-small) rgba(157, 78, 221, 0.3);
}

.fullscreen-btn:hover {
  background: rgba(157, 78, 221, 0.2);
  border-color: var(--neon-cyan);
  box-shadow: var(--glow-medium) rgba(0, 255, 255, 0.4);
  transform: scale(1.05);
}

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

.fullscreen-icon {
  width: 20px;
  height: 20px;
  color: var(--neon-purple);
  transition: color 0.3s ease;
}

.fullscreen-btn:hover .fullscreen-icon {
  color: var(--neon-cyan);
}

/* Fullscreen Mode Styles */
.game-area.fullscreen-mode {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  margin: 0;
  padding: 0;
  border-radius: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0f;
}

.game-area.fullscreen-mode .fullscreen-btn {
  position: fixed;
  top: 20px;
  right: 20px;
}

.game-area.fullscreen-mode #timeBox {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.game-area.fullscreen-mode .crt-container {
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.game-area.fullscreen-mode #gameCanvas {
  width: auto !important;
  height: 85vh !important;
  max-width: 85vw;
  max-height: 85vh;
}

.crt-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 2;
  opacity: 0.3;
}

/* Subtle screen flicker effect */
.crt-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.01);
  pointer-events: none;
  z-index: 3;
  animation: flicker 0.15s infinite;
}

@keyframes flicker {
  0% { opacity: 0.01; }
  100% { opacity: 0.015; }
}

/* Game Canvas */
#gameCanvas {
  background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 100%);
  border: 3px solid var(--neon-purple);
  display: block;
  border-radius: 8px;
  box-shadow: 
    var(--glow-medium) rgba(157, 78, 221, 0.3),
    inset 0 0 20px rgba(0, 0, 0, 0.5);
  transition: all var(--transition-normal);
  position: relative;
}

#gameCanvas.game-active {
  animation: canvasPulse 2s ease-in-out infinite;
}

@keyframes canvasPulse {
  0%, 100% { 
    box-shadow: 
      var(--glow-medium) rgba(157, 78, 221, 0.3),
      inset 0 0 20px rgba(0, 0, 0, 0.5);
  }
  50% { 
    box-shadow: 
      var(--glow-large) rgba(157, 78, 221, 0.5),
      inset 0 0 25px rgba(0, 0, 0, 0.5);
  }
}

/* ===================================
   GAME INFO & STATS
   =================================== */
.game-stats {
  display: flex;
  justify-content: space-around;
  margin-top: 20px;
  gap: 15px;
}

.stat-box {
  flex: 1;
  padding: 15px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: all var(--transition-normal);
}

.stat-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  border-color: var(--neon-cyan);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 5px;
}

.stat-value {
  font-family: 'Press Start 2P', monospace;
  font-size: 1.5rem;
  color: var(--neon-yellow);
  text-shadow: var(--glow-small) rgba(255, 183, 0, 0.5);
}

#timeBox {
  position: absolute;
  top: -10px;
  right: -10px;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: white;
  padding: 8px 15px;
  font-weight: bold;
  border-radius: 20px;
  font-size: 0.9rem;
  box-shadow: var(--glow-small) rgba(157, 78, 221, 0.5);
  z-index: 10;
  animation: timePulse 1s ease-in-out infinite;
}

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

/* ===================================
   GAME MESSAGES
   =================================== */
.game-message {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 15px 30px;
  border-radius: 10px;
  font-weight: 600;
  z-index: 2000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: slideDown 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.game-message.success {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.9), rgba(0, 255, 240, 0.9));
  color: #0a0a0f;
}

.game-message.error {
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.9), rgba(255, 183, 0, 0.9));
  color: white;
}

.game-message.info {
  background: linear-gradient(135deg, rgba(157, 78, 221, 0.9), rgba(0, 255, 240, 0.9));
  color: white;
}

.game-message.warning {
  background: linear-gradient(135deg, rgba(255, 183, 0, 0.9), rgba(255, 111, 0, 0.9));
  color: white;
}

@keyframes slideDown {
  from {
    transform: translateX(-50%) translateY(-30px);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

/* ===================================
   INSTRUCTIONS - FIXED KEY DISPLAY
   =================================== */
#instructions {
  margin-top: 30px;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

#instructions h3 {
  color: var(--neon-cyan);
  margin-bottom: 15px;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

#instructions strong {
  color: var(--neon-yellow);
  font-weight: 600;
}

/* FIXED KEY HINT STYLES - All keys same size */
.key-hint {
  display: inline-flex;
  background: var(--secondary-bg);
  padding: 8px 12px; /* Reduced padding to prevent overlap */
  border-radius: 5px;
  border: 1px solid var(--glass-border);
  font-family: 'Press Start 2P', monospace;
  font-size: 1rem; /* Consistent size for all keys */
  margin: 0 5px;
  color: var(--neon-cyan);
  min-width: 48px; /* Increased to ensure all keys are same width */
  min-height: 32px; /* Reduced height to prevent overlap */
  text-align: center;
  align-items: center;
  justify-content: center;
  line-height: 1;
  vertical-align: middle;
  box-sizing: border-box;
  transition: all var(--transition-fast);
}

/* Ensure arrow keys display at same size */
#keyUp, #keyDown, #keyLeft, #keyRight {
  min-width: 48px !important;
  font-size: 1rem !important; /* Larger font for arrows specifically */
}

/* Hover effect for key hints */
.key-hint:hover {
  background: rgba(0, 255, 240, 0.1);
  border-color: var(--neon-cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 255, 240, 0.2);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  padding: 12px 30px;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left var(--transition-normal);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(157, 78, 221, 0.4);
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(-1px);
}

/* Toggle button styles for settings */
.toggle-btn {
  min-width: 100px;
  transition: all var(--transition-fast);
}

.toggle-btn:hover {
  transform: scale(1.05);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  .game-stats {
    flex-direction: column;
  }
  
  #userInfo {
    flex-direction: column;
    text-align: center;
  }
  
  .user-actions {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .theme-toggle {
    top: auto;
    bottom: 20px;
  }
  
  #gameCanvas {
    width: 100%;
    max-width: 368px;
    height: auto;
  }

  .game-area {
    padding: 15px;
  }

  /* Mobile fullscreen adjustments */
  .fullscreen-btn {
    width: 32px;
    height: 32px;
    top: 15px;
    right: -42px;
  }

  .fullscreen-icon {
    width: 18px;
    height: 18px;
  }

  .game-area.fullscreen-mode .fullscreen-btn {
    top: 15px;
    right: 15px;
  }

  .game-area.fullscreen-mode #timeBox {
    font-size: 1.2rem;
    top: 15px;
  }

  .game-area.fullscreen-mode #gameCanvas {
    height: 80vh !important;
    max-height: 80vh;
  }

  .container {
    max-width: 100%;
    padding: 10px;
  }

  /* Ensure content doesn't go under D-pad on mobile */
  body {
    padding-bottom: 220px;
  }

  #instructions {
    padding: 15px;
    font-size: 0.85rem;
  }
  
  .settings-section {
    padding: 20px;
  }
  
  .key-binding-row {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  
  .preset-buttons {
    flex-direction: column;
  }
  
  .settings-actions {
    flex-direction: column;
  }
  
  .key-hint {
    min-width: 40px;
    min-height: 32px;
    padding: 8px 12px;
    font-size: 0.7rem;
  }
}

/* ===================================
   LOADING ANIMATION
   =================================== */
.loading-snake {
  display: inline-block;
  position: relative;
  width: 80px;
  height: 20px;
}

.loading-snake div {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--neon-yellow);
  animation: snakeLoad 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.loading-snake div:nth-child(1) {
  left: 8px;
  animation-delay: -0.24s;
}

.loading-snake div:nth-child(2) {
  left: 32px;
  animation-delay: -0.12s;
}

.loading-snake div:nth-child(3) {
  left: 56px;
  animation-delay: 0;
}

@keyframes snakeLoad {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(0);
    opacity: 0;
  }
}

/* ===================================
   FUTURE SNAKE SKINS SUPPORT
   =================================== */
.snake-skin-classic {
  --snake-color: var(--neon-yellow);
}

.snake-skin-cyber {
  --snake-color: var(--neon-cyan);
}

.snake-skin-toxic {
  --snake-color: var(--neon-green);
}

.snake-skin-royal {
  --snake-color: var(--neon-purple);
}

.snake-skin-fire {
  --snake-color: linear-gradient(45deg, #ff006e, #ffb700);
}

/* ===================================
   GAMEMODE SELECTOR STYLES
   =================================== */

.gamemode-selector {
    margin-bottom: 25px;
    padding: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    text-align: center;
}

.gamemode-label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.gamemode-dropdown {
    background: var(--secondary-bg);
    border: 2px solid var(--glass-border);
    border-radius: 10px;
    padding: 12px 20px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    min-width: 200px;
    text-align: center;
}

.gamemode-dropdown:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 240, 0.2);
}

.gamemode-dropdown:focus {
    outline: none;
    border-color: var(--neon-yellow);
    box-shadow: 0 0 20px rgba(255, 183, 0, 0.3);
}

.gamemode-dropdown option {
    background: var(--secondary-bg);
    color: var(--text-primary);
    padding: 10px;
}

.gamemode-description {
    margin-top: 15px;
    min-height: 25px;
}

.mode-description {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
    display: none;
}

.mode-description.active {
    opacity: 1;
    display: block;
}

/* Special styling for Speed Snake mode selection */
.gamemode-dropdown option[value="speed"] {
    color: var(--neon-pink);
}

.gamemode-dropdown option[value="classic"] {
    color: var(--neon-green);
}

/* ===================================
   MATRIX-STYLE SPEED SNAKE EFFECTS - FINAL FIXED
   =================================== */

/* Matrix Rain Effect - TRUE FULL SCREEN FIXED */
.matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.matrix-rain.active {
    opacity: 0.25;
}

.matrix-column {
    position: absolute;
    top: -20vh; /* Start further above viewport */
    width: 25px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: #00ff41;
    text-shadow: 0 0 3px #00ff41;
    white-space: nowrap;
    animation: matrix-fall linear infinite;
}

@keyframes matrix-fall {
    0% {
        transform: translateY(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(120vh); /* Go past bottom of screen */
        opacity: 0;
    }
}

/* Speed Snake Mode Canvas Overlay */
.game-area.speed-mode {
    position: relative;
}

.game-area.speed-mode::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 255, 65, 0.05) 0%, rgba(0, 0, 0, 0.1) 70%);
    pointer-events: none;
    z-index: 1;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.game-area.speed-mode.active::before {
    opacity: 1;
}

/* Speed Snake Canvas Styling */
#gameCanvas.speed-mode {
    border-color: #00ff41;
    box-shadow: 
        0 0 20px rgba(0, 255, 65, 0.5),
        inset 0 0 20px rgba(0, 0, 0, 0.8);
}

/* Speed Snake UI Elements */
.speed-mode .stat-box {
    border-color: rgba(0, 255, 65, 0.3);
    background: rgba(0, 255, 65, 0.05);
}

.speed-mode .stat-value {
    color: #00ff41;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.speed-mode #timeBox {
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.8), rgba(0, 200, 50, 0.9));
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.4);
}

/* Speed multiplier display enhancement for Speed Snake */
.speed-mode #speedDisplay {
    font-family: 'Courier New', monospace;
    color: #00ff41;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.7);
    animation: matrix-glow 2s ease-in-out infinite alternate;
}

@keyframes matrix-glow {
    0% {
        text-shadow: 0 0 10px rgba(0, 255, 65, 0.7);
    }
    100% {
        text-shadow: 0 0 20px rgba(0, 255, 65, 1), 0 0 30px rgba(0, 255, 65, 0.8);
    }
}

/* ===================================
   RANKING SYSTEM DISPLAY
   =================================== */

.player-rank-display {
    margin-top: 15px;
    padding: 15px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    text-align: center;
}

.rank-title {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.9rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rank-progress {
    background: var(--secondary-bg);
    border-radius: 10px;
    height: 8px;
    margin: 10px 0;
    overflow: hidden;
    position: relative;
}

.rank-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan));
    border-radius: 10px;
    transition: width 0.5s ease;
}

.xp-display {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Rank-specific colors */
.rank-newbie { color: #888888; }
.rank-apprentice { color: #4a90e2; }
.rank-skilled { color: #50c878; }
.rank-expert { color: #ffa500; }
.rank-master { color: #ff6b6b; }
.rank-grand-master { color: #9370db; }
.rank-legendary { color: #ffd700; }

/* ELO rating display */
.elo-display {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.8rem;
    color: var(--neon-yellow);
    margin-top: 5px;
}

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

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4); /* Reduced opacity from 0.8 to 0.4 */
    backdrop-filter: blur(2px); /* Reduced blur from 5px to 2px */
    -webkit-backdrop-filter: blur(2px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: overlayFadeIn 0.4s ease-out;
    border-radius: 10px;
}

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

.game-overlay.dismissing {
    animation: overlayFadeOut 0.3s ease-out;
}

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

.overlay-content {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 2px solid var(--glass-border);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    max-width: 300px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.overlay-content.classic-mode {
    border-color: var(--neon-purple);
    box-shadow: 0 20px 60px rgba(157, 78, 221, 0.3);
}

.overlay-content.speed-mode {
    border-color: #00ff41;
    box-shadow: 0 20px 60px rgba(0, 255, 65, 0.3);
}

.overlay-title {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.1rem;
    color: var(--neon-yellow);
    margin-bottom: 8px;
    text-shadow: 0 0 10px rgba(255, 183, 0, 0.5);
}

.overlay-mode {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.overlay-content.speed-mode .overlay-mode {
    color: #00ff41;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.5);
}

.overlay-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 12px;
    gap: 10px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.stat-value {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.9rem;
    color: var(--neon-cyan);
    margin-bottom: 3px;
    text-shadow: 0 0 8px rgba(0, 255, 240, 0.5);
}

.overlay-content.speed-mode .stat-value {
    color: #00ff41;
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
}

.stat-label {
    font-size: 0.6rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.overlay-best {
    background: linear-gradient(135deg, var(--neon-yellow), var(--neon-green));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 0.85rem;
    margin-bottom: 12px;
    text-shadow: none;
    animation: bestPulse 2s ease-in-out infinite;
}

@keyframes bestPulse {
    0%, 100% {
        filter: drop-shadow(0 0 5px rgba(255, 183, 0, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 15px rgba(255, 183, 0, 0.8));
    }
}

/* XP System Overlay Styles */
.overlay-xp-section {
    margin: 12px 0;
    padding: 12px;
    background: var(--secondary-bg);
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.overlay-level-up {
    background: linear-gradient(135deg, var(--neon-yellow), var(--neon-green));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 0.85rem;
    text-align: center;
    margin-bottom: 10px;
    animation: levelUpPulse 1.5s ease-in-out infinite;
}

@keyframes levelUpPulse {
    0%, 100% {
        filter: drop-shadow(0 0 8px rgba(255, 183, 0, 0.6));
        transform: scale(1);
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(255, 183, 0, 1));
        transform: scale(1.05);
    }
}

.xp-earned {
    text-align: center;
    margin-bottom: 10px;
}

.xp-value {
    font-size: 1.3rem;
    font-family: 'Press Start 2P', monospace;
    color: var(--neon-yellow);
    text-shadow: 0 0 15px rgba(255, 183, 0, 0.6);
    display: block;
}

.xp-breakdown {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 10px;
    padding: 10px;
    background: var(--primary-bg);
    border-radius: 8px;
}

.xp-breakdown-item {
    color: var(--text-secondary);
    font-size: 0.7rem;
    text-align: center;
}

.xp-breakdown-item.bonus {
    color: var(--neon-green);
    font-weight: 600;
}

.xp-level-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.level-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
}

.title-text {
    color: var(--neon-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.overlay-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.overlay-hint {
    color: var(--text-secondary);
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.key-hint-small {
    display: inline-flex;
    background: var(--secondary-bg);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    padding: 4px 8px;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    color: var(--neon-cyan);
    min-width: 24px;
    justify-content: center;
    align-items: center;
}

.overlay-btn {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.75rem;
}

.overlay-content.speed-mode .overlay-btn {
    background: linear-gradient(135deg, #00ff41, #00cc33);
    color: black;
}

.overlay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(157, 78, 221, 0.4);
}

.overlay-content.speed-mode .overlay-btn:hover {
    box-shadow: 0 8px 25px rgba(0, 255, 65, 0.4);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .overlay-content {
        padding: 15px;
        max-width: 260px;
    }

    .overlay-title {
        font-size: 0.95rem;
    }

    .overlay-stats {
        flex-direction: column;
        gap: 8px;
    }

    .stat-item {
        flex-direction: row;
        justify-content: space-between;
        padding: 6px 0;
    }

    .stat-value {
        font-size: 0.85rem;
    }

    .xp-value {
        font-size: 1.1rem;
    }

    .level-badge {
        font-size: 0.65rem;
        padding: 5px 10px;
    }
}

/* ===================================
   MOBILE VIRTUAL D-PAD (GAME BOY STYLE)
   =================================== */

.mobile-dpad {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    display: none; /* Hidden by default, shown on touch devices */
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.dpad-container {
    position: relative;
    width: 180px;
    height: 180px;
    background: var(--secondary-bg);
    border-radius: 50%;
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.5),
        inset 0 -5px 15px rgba(0, 0, 0, 0.3),
        inset 0 5px 10px rgba(255, 255, 255, 0.05);
    border: 3px solid var(--glass-border);
}

/* D-Pad Buttons - Thick Game Boy Style */
.dpad-btn {
    position: absolute;
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    border: 3px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 15px rgba(157, 78, 221, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.2),
        inset 0 -2px 5px rgba(0, 0, 0, 0.3);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.dpad-btn:active {
    transform: scale(0.95);
    box-shadow:
        0 2px 8px rgba(157, 78, 221, 0.6),
        inset 0 3px 8px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
}

/* Up Button */
.dpad-up {
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 55px;
    height: 70px;
    border-radius: 15px 15px 8px 8px;
}

/* Down Button */
.dpad-down {
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 55px;
    height: 70px;
    border-radius: 8px 8px 15px 15px;
}

/* Left Button */
.dpad-left {
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 70px;
    height: 55px;
    border-radius: 15px 8px 8px 15px;
}

/* Right Button */
.dpad-right {
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 70px;
    height: 55px;
    border-radius: 8px 15px 15px 8px;
}

/* Center Circle (decorative) */
.dpad-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--primary-bg);
    border-radius: 50%;
    border: 2px solid var(--glass-border);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

/* Speed Mode D-Pad Styling */
.speed-mode .dpad-btn {
    background: linear-gradient(135deg, #00ff41, #00cc33);
    box-shadow:
        0 4px 15px rgba(0, 255, 65, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.2),
        inset 0 -2px 5px rgba(0, 0, 0, 0.3);
    color: #000;
}

.speed-mode .dpad-btn:active {
    background: linear-gradient(135deg, #00cc33, #00ff41);
    box-shadow:
        0 2px 8px rgba(0, 255, 65, 0.6),
        inset 0 3px 8px rgba(0, 0, 0, 0.4);
}

/* Responsive D-Pad Sizing */
@media (max-width: 480px) {
    .mobile-dpad {
        bottom: 20px;
    }

    .dpad-container {
        width: 150px;
        height: 150px;
    }

    .dpad-up, .dpad-down {
        width: 45px;
        height: 58px;
    }

    .dpad-left, .dpad-right {
        width: 58px;
        height: 45px;
    }

    .dpad-center {
        width: 32px;
        height: 32px;
    }

    .dpad-btn {
        font-size: 24px;
    }
}

@media (max-width: 360px) {
    .dpad-container {
        width: 130px;
        height: 130px;
    }

    .dpad-up, .dpad-down {
        width: 40px;
        height: 50px;
    }

    .dpad-left, .dpad-right {
        width: 50px;
        height: 40px;
    }

    .dpad-center {
        width: 28px;
        height: 28px;
    }

    .dpad-btn {
        font-size: 20px;
    }
}

/* Landscape mode adjustments */
@media (max-height: 600px) and (orientation: landscape) {
    .mobile-dpad {
        bottom: 10px;
        transform: translateX(-50%) scale(0.8);
    }

    body {
        padding-bottom: 150px;
    }
}

/* Extra small screens */
@media (max-width: 320px) {
    #gameCanvas {
        max-width: 280px;
    }

    .container {
        padding: 5px;
    }

    h1 {
        font-size: 1.2rem;
    }

    .game-stats {
        gap: 8px;
    }

    .stat-box {
        padding: 10px;
    }
}

/* Tablet portrait adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    #gameCanvas {
        max-width: 450px;
    }

    .mobile-dpad {
        transform: translateX(-50%) scale(1.1);
    }
}

/* Ensure canvas is always square and responsive */
#gameCanvas {
    aspect-ratio: 1 / 1;
}

/* ===================================
   EGG SYSTEM STYLES
   =================================== */

/* Inventory Button */
.inventory-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.inventory-btn .notification-dot {
    position: absolute;
    top: -3px;
    right: -3px;
    width: 10px;
    height: 10px;
    background: var(--neon-pink);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Inventory Modal */
.inventory-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.inventory-modal.open {
    opacity: 1;
    visibility: visible;
}

.inventory-container {
    background: var(--secondary-bg);
    border: 2px solid var(--glass-border);
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease;
}

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

.inventory-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--glass-border);
    background: var(--glass-bg);
}

.inventory-header h2 {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.2rem;
    color: var(--neon-cyan);
    margin: 0;
}

.inventory-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.inventory-close:hover {
    color: var(--neon-pink);
}

/* Inventory Tabs */
.inventory-tabs {
    display: flex;
    border-bottom: 1px solid var(--glass-border);
    background: var(--primary-bg);
}

.inventory-tab {
    flex: 1;
    padding: 15px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    font-size: 0.9rem;
}

.inventory-tab:hover:not(.disabled) {
    color: var(--text-primary);
    background: var(--glass-bg);
}

.inventory-tab.active {
    color: var(--neon-cyan);
    background: var(--glass-bg);
}

.inventory-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--neon-cyan);
}

.inventory-tab.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}

.tab-badge {
    background: var(--neon-pink);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    margin-left: 5px;
}

/* Inventory Content */
.inventory-content {
    padding: 20px;
    max-height: 50vh;
    overflow-y: auto;
}

/* Empty State */
.empty-inventory {
    text-align: center;
    padding: 40px;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.empty-text {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.empty-hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Coming Soon */
.coming-soon {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-style: italic;
    font-size: 1.1rem;
}

/* Eggs Grid */
.eggs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
}

.egg-card {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 15px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.egg-card:hover {
    transform: translateY(-3px);
    border-color: var(--neon-cyan);
    box-shadow: 0 8px 25px rgba(0, 255, 240, 0.2);
}

.egg-card.incubating {
    border-color: var(--neon-yellow);
}

.egg-card.ready {
    border-color: var(--neon-green);
    animation: readyPulse 2s ease-in-out infinite;
}

@keyframes readyPulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    }
    50% {
        box-shadow: 0 0 25px rgba(0, 255, 136, 0.6);
    }
}

.egg-image {
    width: 64px;
    height: 64px;
    margin: 0 auto 10px;
    position: relative;
}

.egg-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
}

.egg-card.incubating .egg-image img {
    animation: incubateWobble 2s ease-in-out infinite;
}

@keyframes incubateWobble {
    0%, 100% { transform: rotate(-3deg); }
    50% { transform: rotate(3deg); }
}

.egg-rarity {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.egg-progress {
    background: var(--primary-bg);
    border-radius: 10px;
    height: 8px;
    margin: 10px 0;
    overflow: hidden;
}

.egg-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-yellow), var(--neon-green));
    border-radius: 10px;
    transition: width 0.5s ease;
}

.egg-time-remaining {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.egg-time-remaining.ready {
    color: var(--neon-green);
    font-weight: 700;
}

.egg-incubation-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.egg-incubate-btn,
.egg-hatch-btn {
    width: 100%;
    padding: 8px 15px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.egg-incubate-btn {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    color: white;
}

.egg-incubate-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(157, 78, 221, 0.4);
}

.egg-hatch-btn {
    background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
    color: #0a0a0f;
}

.egg-hatch-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.4);
}

/* Egg Obtained Popup */
.egg-obtained-popup,
.egg-hatch-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 20000;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: popupFadeIn 0.4s ease;
}

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

.egg-obtained-popup.fade-out,
.egg-hatch-popup.fade-out {
    animation: popupFadeOut 0.3s ease forwards;
}

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

.egg-popup-content {
    background: var(--secondary-bg);
    border: 3px solid var(--neon-cyan);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    max-width: 320px;
    box-shadow: 0 0 50px rgba(0, 255, 240, 0.3);
    animation: popupBounce 0.5s ease;
}

.egg-popup-content.hatch {
    border-color: var(--neon-green);
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.3);
}

@keyframes popupBounce {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.egg-popup-title {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.3rem;
    color: var(--neon-yellow);
    margin-bottom: 5px;
    text-shadow: 0 0 15px rgba(255, 183, 0, 0.5);
}

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

.egg-popup-image {
    width: 96px;
    height: 96px;
    margin: 0 auto 15px;
}

.egg-popup-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
    animation: eggFloat 2s ease-in-out infinite;
}

@keyframes eggFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.egg-popup-image.hatch-animation {
    animation: hatchShake 0.5s ease-in-out;
}

@keyframes hatchShake {
    0%, 100% { transform: rotate(0); }
    20% { transform: rotate(-15deg); }
    40% { transform: rotate(15deg); }
    60% { transform: rotate(-10deg); }
    80% { transform: rotate(10deg); }
}

.skin-preview {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto;
    box-shadow: 0 0 30px currentColor;
}

.egg-popup-rarity {
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.egg-popup-hint {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.egg-popup-btn {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
}

.egg-popup-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(157, 78, 221, 0.4);
}

/* Inventory Sections */
.inventory-section {
    margin-bottom: 25px;
}

.section-title {
    font-size: 1rem;
    color: var(--neon-cyan);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--glass-border);
}

.empty-section {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}

.empty-section .empty-text {
    font-size: 1rem;
    margin-bottom: 5px;
}

.empty-section .empty-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Skins Grid */
.skins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    margin-bottom: 15px;
}

.skin-card {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.skin-card:hover {
    transform: translateY(-2px);
    border-color: var(--neon-cyan);
}

.skin-card.selected {
    border-color: var(--neon-yellow);
    box-shadow: 0 0 15px rgba(255, 183, 0, 0.3);
}

.skin-card.equipped {
    border-color: var(--neon-green);
}

.skin-card.equipped::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid var(--neon-green);
    border-radius: 14px;
    pointer-events: none;
}

.skin-image {
    width: 48px;
    height: 48px;
    margin: 0 auto 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skin-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.skin-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.equipped-badge {
    font-size: 0.65rem;
    color: var(--neon-green);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

/* Equip Button */
.equip-button-container {
    text-align: center;
    margin: 15px 0;
}

.equip-btn {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green));
    color: #0a0a0f;
    border: none;
    padding: 12px 30px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.equip-btn:hover:not(.disabled) {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.3);
}

.equip-btn.disabled {
    background: var(--glass-bg);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Mobile Responsiveness for Egg System */
@media (max-width: 768px) {
    .inventory-container {
        width: 95%;
        max-height: 85vh;
    }

    .inventory-header h2 {
        font-size: 1rem;
    }

    .inventory-tab {
        padding: 12px 10px;
        font-size: 0.8rem;
    }

    .eggs-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }

    .egg-card {
        padding: 12px;
    }

    .egg-image {
        width: 48px;
        height: 48px;
    }

    .egg-popup-content {
        padding: 20px;
        max-width: 280px;
    }

    .egg-popup-title {
        font-size: 1.1rem;
    }

    .egg-popup-image {
        width: 72px;
        height: 72px;
    }
}