/* 
 * Memory Management Quest - Styles
 * Aesthetic: Cyberpunk Fantasy - Neon Dreams in Digital Realms
 */

:root {
  /* Core Colors - Electric Teal & Magenta Theme */
  --bg-dark: #0a0e17;
  --bg-darker: #050810;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;

  /* Neon Accents */
  --neon-cyan: #00f5ff;
  --neon-magenta: #ff00ff;
  --neon-purple: #b347ff;
  --neon-green: #39ff14;
  --neon-orange: #ff6b35;
  --neon-yellow: #ffd700;

  /* Stack & Heap Colors */
  --stack-color: #00f5ff;
  --heap-color: #ff00ff;
  --reference-color: #ffd700;

  /* Text */
  --text-primary: #e8f4f8;
  --text-secondary: #8892a4;
  --text-muted: #4a5568;

  /* Gradients */
  --gradient-main: linear-gradient(
    135deg,
    #0a0e17 0%,
    #1a1a2e 50%,
    #16213e 100%
  );
  --gradient-card: linear-gradient(145deg, #1a2332 0%, #111827 100%);
  --gradient-neon: linear-gradient(
    90deg,
    var(--neon-cyan),
    var(--neon-magenta)
  );

  /* Shadows */
  --shadow-neon-cyan: 0 0 20px rgba(0, 245, 255, 0.5);
  --shadow-neon-magenta: 0 0 20px rgba(255, 0, 255, 0.5);

  /* Fonts */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-code: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--gradient-main);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Particle Background */
#particles-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background:
    radial-gradient(
      ellipse at 20% 80%,
      rgba(0, 245, 255, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 80% 20%,
      rgba(255, 0, 255, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 50% 50%,
      rgba(179, 71, 255, 0.05) 0%,
      transparent 60%
    );
}

#particles-bg::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 20px 30px, var(--neon-cyan), transparent),
    radial-gradient(2px 2px at 40px 70px, var(--neon-magenta), transparent),
    radial-gradient(1px 1px at 90px 40px, var(--text-primary), transparent),
    radial-gradient(2px 2px at 160px 120px, var(--neon-purple), transparent),
    radial-gradient(1px 1px at 230px 80px, var(--neon-cyan), transparent);
  background-size: 250px 200px;
  animation: twinkle 8s ease-in-out infinite;
  opacity: 0.6;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 0.3;
  }
}

/* Screen Management */
.screen {
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.screen.active {
  display: block;
  opacity: 1;
}

/* Hub Header */
.hub-header {
  text-align: center;
  padding: 3rem 2rem 2rem;
}

.hub-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(0, 245, 255, 0.5);
  position: relative;
}

/* Glitch Effect */
.glitch {
  position: relative;
  animation: glitch-skew 4s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-dark);
  -webkit-background-clip: text;
  background-clip: text;
}

.glitch::before {
  left: 2px;
  text-shadow: -2px 0 var(--neon-magenta);
  clip: rect(44px, 450px, 56px, 0);
  animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: -2px 0 var(--neon-cyan);
  clip: rect(44px, 450px, 56px, 0);
  animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
  0% {
    clip: rect(31px, 9999px, 94px, 0);
  }
  10% {
    clip: rect(112px, 9999px, 76px, 0);
  }
  20% {
    clip: rect(85px, 9999px, 77px, 0);
  }
  30% {
    clip: rect(27px, 9999px, 97px, 0);
  }
  40% {
    clip: rect(64px, 9999px, 98px, 0);
  }
  50% {
    clip: rect(61px, 9999px, 85px, 0);
  }
  60% {
    clip: rect(99px, 9999px, 114px, 0);
  }
  70% {
    clip: rect(34px, 9999px, 115px, 0);
  }
  80% {
    clip: rect(98px, 9999px, 129px, 0);
  }
  90% {
    clip: rect(43px, 9999px, 96px, 0);
  }
  100% {
    clip: rect(82px, 9999px, 68px, 0);
  }
}

@keyframes glitch-anim2 {
  0% {
    clip: rect(65px, 9999px, 100px, 0);
  }
  10% {
    clip: rect(52px, 9999px, 74px, 0);
  }
  20% {
    clip: rect(79px, 9999px, 85px, 0);
  }
  30% {
    clip: rect(43px, 9999px, 27px, 0);
  }
  40% {
    clip: rect(19px, 9999px, 98px, 0);
  }
  50% {
    clip: rect(23px, 9999px, 68px, 0);
  }
  60% {
    clip: rect(45px, 9999px, 114px, 0);
  }
  70% {
    clip: rect(16px, 9999px, 42px, 0);
  }
  80% {
    clip: rect(98px, 9999px, 73px, 0);
  }
  90% {
    clip: rect(38px, 9999px, 53px, 0);
  }
  100% {
    clip: rect(70px, 9999px, 94px, 0);
  }
}

@keyframes glitch-skew {
  0% {
    transform: skew(0deg);
  }
  20% {
    transform: skew(0deg);
  }
  21% {
    transform: skew(1deg);
  }
  22% {
    transform: skew(0deg);
  }
  80% {
    transform: skew(0deg);
  }
  81% {
    transform: skew(-1deg);
  }
  82% {
    transform: skew(0deg);
  }
  100% {
    transform: skew(0deg);
  }
}

.subtitle {
  font-family: var(--font-body);
  font-size: 1.4rem;
  color: var(--text-secondary);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

/* Progress Bar */
.progress-bar-container {
  max-width: 600px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.progress-label {
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.progress-bar {
  height: 12px;
  background: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(0, 245, 255, 0.3);
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-neon);
  border-radius: 10px;
  transition: width 0.5s ease;
  box-shadow: 0 0 20px var(--neon-cyan);
}

/* Categories */
.game-categories {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.category {
  margin-bottom: 3rem;
}

.category-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 1rem;
  border-left: 4px solid var(--neon-cyan);
}

.category-title .icon {
  font-size: 1.8rem;
}

/* Game Grid */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Game Cards */
.game-card {
  position: relative;
  background: var(--gradient-card);
  border-radius: 16px;
  padding: 1.5rem;
  cursor: pointer;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-neon);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.game-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(0, 245, 255, 0.3);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(0, 245, 255, 0.15);
}

.game-card:hover::before {
  opacity: 1;
}

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(0, 245, 255, 0.1) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.game-card:hover .card-glow {
  opacity: 1;
}

.boss-card {
  background: linear-gradient(145deg, #2d1f3d 0%, #1a1a2e 100%);
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.boss-card:hover {
  border-color: rgba(255, 215, 0, 0.6);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 0 30px rgba(255, 215, 0, 0.2);
}

.boss-glow {
  background: radial-gradient(
    circle,
    rgba(255, 215, 0, 0.15) 0%,
    transparent 70%
  );
}

.game-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.05);
  position: absolute;
  top: 10px;
  right: 15px;
}

.game-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.game-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.difficulty {
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.game-card.completed {
  border-color: rgba(57, 255, 20, 0.4);
}

.game-card.completed::after {
  content: '✓';
  position: absolute;
  top: 15px;
  right: 15px;
  width: 30px;
  height: 30px;
  background: var(--neon-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--bg-dark);
}

/* Game Screen */
#game-screen {
  min-height: 100vh;
  padding: 1rem;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(17, 24, 39, 0.9);
  border-radius: 12px;
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 245, 255, 0.2);
}

.btn-back {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--neon-cyan);
  background: transparent;
  border: 2px solid var(--neon-cyan);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-back:hover {
  background: var(--neon-cyan);
  color: var(--bg-dark);
  box-shadow: var(--shadow-neon-cyan);
}

#game-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.game-stats {
  font-family: var(--font-code);
  color: var(--neon-green);
}

/* Game Container */
#game-container {
  background: rgba(17, 24, 39, 0.8);
  border-radius: 16px;
  min-height: 500px;
  padding: 2rem;
  border: 1px solid rgba(0, 245, 255, 0.2);
  position: relative;
  overflow: hidden;
}

/* Instructions Panel */
.instructions-panel {
  background: rgba(17, 24, 39, 0.9);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1rem;
  border: 1px solid rgba(179, 71, 255, 0.3);
}

.instructions-panel h3 {
  font-family: var(--font-display);
  color: var(--neon-purple);
  margin-bottom: 0.5rem;
}

.instructions-panel p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Memory Visualization Components */
.memory-layout {
  display: flex;
  justify-content: space-around;
  gap: 3rem;
  padding: 2rem;
  min-height: 400px;
}

.memory-section {
  flex: 1;
  max-width: 400px;
}

.memory-section h3 {
  font-family: var(--font-display);
  text-align: center;
  padding: 1rem;
  border-radius: 8px 8px 0 0;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}

.stack-section h3 {
  background: linear-gradient(
    90deg,
    rgba(0, 245, 255, 0.2),
    rgba(0, 245, 255, 0.1)
  );
  color: var(--stack-color);
  border: 2px solid var(--stack-color);
  border-bottom: none;
}

.heap-section h3 {
  background: linear-gradient(
    90deg,
    rgba(255, 0, 255, 0.2),
    rgba(255, 0, 255, 0.1)
  );
  color: var(--heap-color);
  border: 2px solid var(--heap-color);
  border-bottom: none;
}

.memory-content {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 0 0 8px 8px;
  min-height: 300px;
  padding: 1rem;
  display: flex;
  flex-direction: column-reverse;
}

.stack-section .memory-content {
  border: 2px solid var(--stack-color);
  border-top: none;
}

.heap-section .memory-content {
  border: 2px solid var(--heap-color);
  border-top: none;
  flex-direction: column;
}

/* Stack Frame */
.stack-frame {
  background: linear-gradient(
    135deg,
    rgba(0, 245, 255, 0.15) 0%,
    rgba(0, 245, 255, 0.05) 100%
  );
  border: 1px solid var(--stack-color);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.5rem;
  animation: slideUp 0.3s ease-out;
}

.stack-frame.removing {
  animation: slideOut 0.3s ease-in forwards;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideOut {
  to {
    opacity: 0;
    transform: translateY(-30px);
  }
}

.frame-header {
  font-family: var(--font-code);
  color: var(--neon-cyan);
  font-weight: 700;
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(0, 245, 255, 0.3);
}

.frame-vars {
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.frame-vars .var {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0;
}

.var-name {
  color: var(--neon-yellow);
}

.var-value {
  color: var(--neon-green);
}

/* Heap Objects */
.heap-object {
  background: linear-gradient(
    135deg,
    rgba(255, 0, 255, 0.15) 0%,
    rgba(255, 0, 255, 0.05) 100%
  );
  border: 1px solid var(--heap-color);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.5rem;
  animation: fadeIn 0.3s ease-out;
}

.heap-object.orphaned {
  opacity: 0.3;
  border-style: dashed;
}

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

.object-header {
  font-family: var(--font-code);
  color: var(--neon-magenta);
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.object-address {
  color: var(--neon-yellow);
  font-size: 0.8rem;
}

.array-content {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.array-cell {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-family: var(--font-code);
  color: var(--neon-green);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.array-index {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: block;
  text-align: center;
}

/* Reference Arrow */
.reference-arrow {
  position: absolute;
  stroke: var(--reference-color);
  stroke-width: 2;
  fill: none;
  pointer-events: none;
}

.reference-arrow-head {
  fill: var(--reference-color);
}

/* Stack Tower (Game 1) */
.stack-tower {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 5px;
  min-height: 400px;
  padding: 2rem;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 50px,
    rgba(0, 245, 255, 0.05) 50px,
    rgba(0, 245, 255, 0.05) 51px
  );
}

.stack-item {
  width: 200px;
  height: 50px;
  background: linear-gradient(135deg, #1e3a5f 0%, #0f2847 100%);
  border: 2px solid var(--neon-cyan);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(0, 245, 255, 0.2);
  animation: stackPush 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  transition: all 0.3s ease;
}

.stack-item:last-child {
  border-color: var(--neon-green);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.3);
}

.stack-item.removing {
  animation: stackPop 0.3s ease-out forwards;
}

.stack-item.error {
  animation: stackError 0.5s ease;
  border-color: var(--neon-orange);
}

@keyframes stackPush {
  0% {
    opacity: 0;
    transform: translateY(-50px) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes stackPop {
  to {
    opacity: 0;
    transform: translateY(-50px) scale(0.8);
  }
}

@keyframes stackError {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-10px);
  }
  75% {
    transform: translateX(10px);
  }
}

/* Control Buttons */
.game-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.btn-primary {
  background: var(--gradient-neon);
  border: none;
  color: var(--bg-dark);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 245, 255, 0.4);
}

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

.btn-secondary:hover {
  background: var(--neon-purple);
  color: var(--bg-dark);
}

.btn-danger {
  background: transparent;
  border: 2px solid var(--neon-orange);
  color: var(--neon-orange);
}

.btn-danger:hover {
  background: var(--neon-orange);
  color: var(--bg-dark);
}

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

/* Input Fields */
.game-input {
  font-family: var(--font-code);
  font-size: 1.1rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid var(--neon-cyan);
  border-radius: 8px;
  color: var(--text-primary);
  outline: none;
  transition: all 0.3s ease;
}

.game-input:focus {
  border-color: var(--neon-magenta);
  box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
}

/* Platform Game (Game 2) */
.platform-game {
  position: relative;
  height: 450px;
  background: linear-gradient(
    180deg,
    rgba(10, 14, 23, 0.9) 0%,
    rgba(26, 26, 46, 0.9) 100%
  );
  border-radius: 12px;
  overflow: hidden;
}

.platforms-container {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 10px;
  padding-bottom: 20px;
}

.platform {
  background: linear-gradient(
    90deg,
    rgba(0, 245, 255, 0.1) 0%,
    rgba(0, 245, 255, 0.3) 50%,
    rgba(0, 245, 255, 0.1) 100%
  );
  border: 2px solid var(--neon-cyan);
  border-radius: 8px;
  padding: 1rem 2rem;
  min-width: 250px;
  text-align: center;
  position: relative;
  animation: platformAppear 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.platform.active {
  border-color: var(--neon-green);
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.4);
}

.platform.fading {
  animation: platformFade 0.4s ease-out forwards;
}

@keyframes platformAppear {
  from {
    opacity: 0;
    transform: scale(0.5) translateY(50px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes platformFade {
  to {
    opacity: 0;
    transform: scale(0.8) translateY(-30px);
  }
}

.platform-name {
  font-family: var(--font-code);
  color: var(--neon-cyan);
  font-weight: 700;
  font-size: 1.1rem;
}

.platform-vars {
  margin-top: 0.5rem;
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Chamber Game (Game 3) */
.chambers-container {
  display: flex;
  justify-content: space-around;
  gap: 2rem;
  padding: 2rem;
  flex-wrap: wrap;
}

.chamber {
  background: linear-gradient(145deg, #1a2332 0%, #0f1724 100%);
  border: 2px solid var(--neon-purple);
  border-radius: 16px;
  padding: 1.5rem;
  min-width: 200px;
  text-align: center;
  transition: all 0.3s ease;
}

.chamber:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(179, 71, 255, 0.3);
}

.chamber.active {
  border-color: var(--neon-green);
  box-shadow: 0 0 40px rgba(57, 255, 20, 0.4);
}

.chamber-name {
  font-family: var(--font-code);
  color: var(--neon-purple);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.chamber-inputs {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.chamber-input {
  width: 60px;
  text-align: center;
}

.chamber-output {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--neon-green);
  padding: 0.5rem;
  background: rgba(57, 255, 20, 0.1);
  border-radius: 8px;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Primitive Garden (Game 7) */
.garden-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
}

.garden-slot {
  background: linear-gradient(
    180deg,
    rgba(57, 255, 20, 0.1) 0%,
    rgba(0, 0, 0, 0.3) 100%
  );
  border: 2px dashed rgba(57, 255, 20, 0.5);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.garden-slot:hover {
  border-style: solid;
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(57, 255, 20, 0.2);
}

.garden-slot.planted {
  border-style: solid;
  border-color: var(--neon-green);
  background: linear-gradient(
    180deg,
    rgba(57, 255, 20, 0.2) 0%,
    rgba(57, 255, 20, 0.05) 100%
  );
}

.slot-type {
  font-family: var(--font-code);
  color: var(--neon-cyan);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.slot-value {
  font-family: var(--font-code);
  color: var(--neon-green);
  font-size: 1.5rem;
}

.slot-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Matrix Dungeon (Game 10) */
.matrix-dungeon {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}

.matrix-grid {
  display: grid;
  gap: 5px;
  margin: 1rem 0;
}

.matrix-cell {
  width: 60px;
  height: 60px;
  background: linear-gradient(145deg, #1e3a5f 0%, #0f2847 100%);
  border: 2px solid rgba(0, 245, 255, 0.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-code);
  font-size: 1.2rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.matrix-cell:hover {
  transform: scale(1.1);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

.matrix-cell.selected {
  background: rgba(255, 215, 0, 0.3);
  border-color: var(--neon-yellow);
}

.matrix-cell.collected {
  background: rgba(57, 255, 20, 0.3);
  border-color: var(--neon-green);
}

.matrix-info {
  font-family: var(--font-code);
  color: var(--text-secondary);
  margin-top: 1rem;
}

/* Swap Arena (Games 18, 19) */
.swap-arena {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  padding: 3rem;
  flex-wrap: wrap;
}

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

.swap-item {
  width: 120px;
  height: 120px;
  background: linear-gradient(145deg, #1e3a5f 0%, #0f2847 100%);
  border: 3px solid var(--neon-cyan);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-code);
  margin-bottom: 1rem;
  transition: all 0.5s ease;
}

.swap-item.swapping-left {
  animation: swapLeft 0.8s ease;
}

.swap-item.swapping-right {
  animation: swapRight 0.8s ease;
}

@keyframes swapLeft {
  0% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(150px) scale(0.8);
  }
  100% {
    transform: translateX(0);
  }
}

@keyframes swapRight {
  0% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-150px) scale(0.8);
  }
  100% {
    transform: translateX(0);
  }
}

.swap-label {
  font-family: var(--font-code);
  color: var(--text-secondary);
}

.swap-value {
  font-size: 2rem;
  color: var(--neon-green);
}

.swap-arrow {
  font-size: 3rem;
  color: var(--neon-purple);
  animation: pulse 1.5s infinite;
}

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

/* Timeline Game (Game 22) */
.timeline-container {
  padding: 2rem;
  position: relative;
}

.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-neon);
}

.timeline-node {
  position: relative;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  border-left: 3px solid transparent;
  opacity: 0.5;
  transition: all 0.3s ease;
}

.timeline-node.active {
  opacity: 1;
  border-left-color: var(--neon-cyan);
  background: rgba(0, 245, 255, 0.1);
}

.timeline-node.completed {
  opacity: 1;
  border-left-color: var(--neon-green);
}

.timeline-node::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--text-muted);
}

.timeline-node.active::before {
  border-color: var(--neon-cyan);
  background: var(--neon-cyan);
  box-shadow: 0 0 15px var(--neon-cyan);
}

.timeline-node.completed::before {
  border-color: var(--neon-green);
  background: var(--neon-green);
}

.timeline-function {
  font-family: var(--font-code);
  color: var(--neon-cyan);
  font-weight: 700;
}

/* Overflow Games (23, 24) */
.overflow-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}

.overflow-meter {
  width: 80%;
  max-width: 500px;
  height: 30px;
  background: rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(255, 107, 53, 0.5);
  border-radius: 15px;
  overflow: hidden;
  margin: 1rem 0;
}

.overflow-fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--neon-green) 0%,
    var(--neon-yellow) 50%,
    var(--neon-orange) 100%
  );
  transition: width 0.3s ease;
  border-radius: 15px;
}

.overflow-fill.danger {
  animation: dangerPulse 0.5s infinite;
}

@keyframes dangerPulse {
  0%,
  100% {
    background-color: var(--neon-orange);
  }
  50% {
    background-color: #ff0000;
  }
}

.overflow-counter {
  font-family: var(--font-code);
  font-size: 2rem;
  color: var(--neon-yellow);
}

.stack-visual {
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
  max-height: 300px;
  overflow: hidden;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  width: 200px;
}

.stack-visual-item {
  height: 15px;
  background: var(--neon-cyan);
  border-radius: 2px;
  animation: stackItemAppear 0.1s ease-out;
}

@keyframes stackItemAppear {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

/* Quiz Modal (Final Boss) */
.quiz-container {
  padding: 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.quiz-question {
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid var(--neon-purple);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.quiz-question h3 {
  font-family: var(--font-display);
  color: var(--neon-purple);
  margin-bottom: 1rem;
}

.quiz-question p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-option {
  padding: 1rem 1.5rem;
  background: rgba(0, 245, 255, 0.1);
  border: 2px solid rgba(0, 245, 255, 0.3);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  text-align: left;
}

.quiz-option:hover {
  background: rgba(0, 245, 255, 0.2);
  border-color: var(--neon-cyan);
}

.quiz-option.correct {
  background: rgba(57, 255, 20, 0.3);
  border-color: var(--neon-green);
}

.quiz-option.incorrect {
  background: rgba(255, 107, 53, 0.3);
  border-color: var(--neon-orange);
}

.boss-avatar {
  text-align: center;
  font-size: 5rem;
  margin-bottom: 1rem;
  animation: bossFloat 3s ease-in-out infinite;
}

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

.boss-health {
  width: 100%;
  height: 20px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.boss-health-fill {
  height: 100%;
  background: linear-gradient(90deg, #ff0000, #ff6b35);
  transition: width 0.5s ease;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--gradient-card);
  border: 2px solid var(--neon-cyan);
  border-radius: 20px;
  padding: 3rem;
  max-width: 500px;
  text-align: center;
  position: relative;
  animation: modalAppear 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalAppear {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(50px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-content.victory {
  border-color: var(--neon-green);
}

.modal-content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 1rem;
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-content.victory h2 {
  background: linear-gradient(90deg, var(--neon-green), var(--neon-yellow));
  -webkit-background-clip: text;
  background-clip: text;
}

.victory-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--neon-green);
}

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

.modal-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
}

/* Tutorial Modal */
.modal-content.tutorial {
  max-width: 600px;
  text-align: left;
}

.modal-content.tutorial h2 {
  text-align: center;
}

#tutorial-content {
  margin: 1.5rem 0;
  line-height: 1.8;
  color: var(--text-secondary);
}

#tutorial-content strong {
  color: var(--neon-cyan);
}

#tutorial-content ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

#tutorial-content li {
  margin: 0.5rem 0;
}

#tutorial-content code {
  font-family: var(--font-code);
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--neon-green);
}

/* Confetti */
.confetti {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  overflow: hidden;
}

.confetti::before {
  content: '🎉 🎊 ⭐ 🎉 🎊 ⭐ 🎉';
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  animation: confettiFall 2s ease-out forwards;
  opacity: 0;
}

@keyframes confettiFall {
  0% {
    opacity: 1;
    top: -50px;
  }
  100% {
    opacity: 0;
    top: 100%;
  }
}

/* Lantern Animation (Game 8) */
.lantern-container {
  position: relative;
  padding: 2rem;
  min-height: 400px;
}

.lantern {
  position: absolute;
  width: 60px;
  height: 80px;
  cursor: pointer;
  transition: all 0.3s ease;
  filter: drop-shadow(0 0 20px var(--neon-yellow));
}

.lantern:hover {
  transform: scale(1.1);
}

.lantern-glow {
  position: absolute;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 215, 0, 0.3) 0%,
    transparent 70%
  );
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: lanternGlow 2s ease-in-out infinite;
}

@keyframes lanternGlow {
  0%,
  100% {
    opacity: 0.5;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

.treasure-chest {
  width: 100px;
  height: 80px;
  position: absolute;
  cursor: pointer;
  transition: all 0.3s ease;
}

.treasure-chest:hover {
  transform: scale(1.05);
}

.reference-line {
  stroke: var(--neon-yellow);
  stroke-width: 3;
  stroke-dasharray: 10;
  animation: dashMove 1s linear infinite;
}

@keyframes dashMove {
  to {
    stroke-dashoffset: -20;
  }
}

/* Message Display */
.game-message {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17, 24, 39, 0.95);
  border: 2px solid var(--neon-cyan);
  border-radius: 12px;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-primary);
  animation: messageAppear 0.3s ease-out;
  z-index: 100;
}

.game-message.success {
  border-color: var(--neon-green);
  background: rgba(57, 255, 20, 0.1);
}

.game-message.error {
  border-color: var(--neon-orange);
  background: rgba(255, 107, 53, 0.1);
}

@keyframes messageAppear {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Village Map (Game 25) */
.village-map {
  display: flex;
  justify-content: space-between;
  padding: 2rem;
  gap: 2rem;
  position: relative;
}

.village-section {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 16px;
  padding: 1.5rem;
  min-height: 400px;
}

.village-section.stack-village {
  border: 2px solid var(--stack-color);
}

.village-section.heap-village {
  border: 2px solid var(--heap-color);
}

.village-title {
  font-family: var(--font-display);
  text-align: center;
  padding: 0.5rem;
  margin-bottom: 1rem;
  border-radius: 8px;
}

.stack-village .village-title {
  background: rgba(0, 245, 255, 0.2);
  color: var(--stack-color);
}

.heap-village .village-title {
  background: rgba(255, 0, 255, 0.2);
  color: var(--heap-color);
}

.village-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.village-item {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-family: var(--font-code);
  cursor: pointer;
  transition: all 0.3s ease;
}

.stack-village .village-item {
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid rgba(0, 245, 255, 0.3);
}

.heap-village .village-item {
  background: rgba(255, 0, 255, 0.1);
  border: 1px solid rgba(255, 0, 255, 0.3);
}

.village-item:hover {
  transform: translateX(5px);
}

/* SVG Container for Arrows */
.arrow-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hub-header h1 {
    font-size: 2rem;
    letter-spacing: 0.1em;
  }

  .subtitle {
    font-size: 1rem;
    letter-spacing: 0.1em;
  }

  .game-grid {
    grid-template-columns: 1fr;
  }

  .memory-layout {
    flex-direction: column;
  }

  .game-header {
    flex-direction: column;
    gap: 1rem;
  }

  .swap-arena {
    flex-direction: column;
  }

  .village-map {
    flex-direction: column;
  }

  .modal-content {
    margin: 1rem;
    padding: 1.5rem;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--neon-cyan), var(--neon-magenta));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neon-cyan);
}

/* Selection */
::selection {
  background: var(--neon-cyan);
  color: var(--bg-dark);
}