/**
 * ProGames07 - Games Stylesheet
 * Game cards, modal, and game-specific styles
 */

/* ═══════════════════════════════════════════════════════════════════
   GAMES GRID
   ═══════════════════════════════════════════════════════════════════ */

.games-section {
  background: linear-gradient(180deg, transparent, var(--bg-secondary) 50%, transparent);
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

/* ═══════════════════════════════════════════════════════════════════
   GAME CARD
   ═══════════════════════════════════════════════════════════════════ */

.game-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.1), transparent);
  transition: left 0.6s;
}

.game-card:hover::before {
  left: 100%;
}

.game-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow), var(--glow);
}

.game-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.game-icon {
  font-size: 4rem;
  line-height: 1;
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.3));
  animation: iconBounce 2s ease-in-out infinite;
}

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

.game-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.game-badge.featured {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.9; }
}

.game-card-body {
  flex: 1;
  margin-bottom: var(--spacing-md);
}

.game-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-primary);
  font-family: 'Orbitron', sans-serif;
}

.game-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.game-stats {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.game-stats span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.game-stats i {
  color: var(--accent-tertiary);
}

/* ═══════════════════════════════════════════════════════════════════
   GAME MODAL
   ═══════════════════════════════════════════════════════════════════ */

.game-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  animation: fadeIn 0.3s ease-out;
}

.game-modal.active {
  display: flex;
}

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

.game-modal-content {
  background: var(--bg-secondary);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.3);
  animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.game-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.game-modal-header h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  color: var(--accent-primary);
}

.close-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
}

.close-btn:hover {
  background: var(--error);
  color: white;
  border-color: var(--error);
  transform: rotate(90deg);
}

.game-modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  max-height: calc(90vh - 80px);
}

/* Game Container */
.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.game-info {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.game-score,
.game-high-score {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  color: var(--accent-primary);
}

.game-canvas-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  background: #1a1f3a;
  border-radius: var(--radius-md);
  border: 3px solid var(--accent-primary);
  padding: var(--spacing-md);
  min-height: 400px;
  overflow: auto;
  box-shadow: inset 0 0 20px rgba(0, 229, 255, 0.1);
}

canvas {
  display: block !important;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
  background: #0a0e27 !important;
  border: 2px solid rgba(0, 229, 255, 0.5);
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.game-controls {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.game-controls kbd {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  color: var(--accent-primary);
  margin: 0 0.25rem;
}

/* ═══════════════════════════════════════════════════════════════════
   LEADERBOARD
   ═══════════════════════════════════════════════════════════════════ */

.leaderboard-section {
  background: var(--bg-secondary);
}

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

.tab-btn {
  padding: 0.75rem 1.5rem;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border-color: transparent;
  box-shadow: var(--glow);
}

.leaderboard-content {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  min-height: 300px;
}

.leaderboard-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: var(--text-muted);
}

.leaderboard-empty i {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

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

.leaderboard-header-row {
  display: flex;
  padding: 0 var(--spacing-md) var(--spacing-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-sm);
}

.rank-col { width: 60px; text-align: center; }
.player-col { flex: 1; }
.score-col { width: 100px; text-align: right; }

.leaderboard-player {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.player-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: 1px solid var(--border-color);
}

.player-info {
  display: flex;
  flex-direction: column;
}

.player-name {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.player-status {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.leaderboard-divider {
  padding: var(--spacing-sm) 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  margin: var(--spacing-md) 0;
}

.leaderboard-divider::before,
.leaderboard-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.leaderboard-divider::before { left: 0; }
.leaderboard-divider::after { right: 0; }

.personal-best {
  border-left: 4px solid var(--accent-primary);
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.05), transparent);
}

.personal-best.active {
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.1), transparent);
}

.leaderboard-footer {
  margin-top: var(--spacing-lg);
  display: flex;
  justify-content: space-around;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.stat-mini {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.stat-mini i {
  color: var(--accent-primary);
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  margin-bottom: var(--spacing-xs);
}

.leaderboard-item:hover {
  border-color: var(--accent-primary);
  transform: translateX(5px);
  box-shadow: 0 4px 15px rgba(0, 229, 255, 0.1);
}

.leaderboard-rank {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent-primary);
  min-width: 40px;
  text-align: center;
}

.leaderboard-rank.gold { color: #ffd700; text-shadow: 0 0 10px rgba(255, 215, 0, 0.5); }
.leaderboard-rank.silver { color: #c0c0c0; text-shadow: 0 0 10px rgba(192, 192, 192, 0.5); }
.leaderboard-rank.bronze { color: #cd7f32; text-shadow: 0 0 10px rgba(205, 127, 50, 0.5); }

.leaderboard-score {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-left: auto;
  text-align: right;
}

/* ═══════════════════════════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════════════════════════ */

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--accent-primary);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.feature-list i {
  color: var(--success);
  font-size: 1.2rem;
}

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

.feature-card {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--glow);
}

.feature-card i {
  font-size: 3rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-md);
}

.feature-card h4 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ═══════════════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════════════════════════════ */

#toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  min-width: 300px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--error); }
.toast.warning { border-color: var(--warning); }

.toast i {
  font-size: 1.5rem;
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--error); }
.toast.warning i { color: var(--warning); }

.toast-message {
  flex: 1;
  color: var(--text-primary);
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════════
   ACHIEVEMENTS SECTION
   ═══════════════════════════════════════════════════════════════════ */

.achievements-section {
  background: linear-gradient(180deg, transparent, var(--bg-secondary) 50%, transparent);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.achievement-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow);
}

.achievement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.1), transparent);
  transition: left 0.6s;
}

.achievement-card:hover::before {
  left: 100%;
}

.achievement-card.locked {
  opacity: 0.6;
  border-color: var(--text-muted);
}

.achievement-card.unlocked {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow), var(--glow);
}

.achievement-card.unlocked:hover {
  transform: translateY(-5px);
}

.achievement-icon {
  font-size: 3rem;
  line-height: 1;
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.3));
  animation: iconBounce 2s ease-in-out infinite;
  min-width: 60px;
  text-align: center;
}

.achievement-card.locked .achievement-icon {
  filter: grayscale(100%) drop-shadow(0 0 5px rgba(0, 0, 0, 0.5));
  animation: none;
}

.achievement-content {
  flex: 1;
}

.achievement-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.25rem;
  font-family: 'Orbitron', sans-serif;
}

.achievement-card.locked .achievement-name {
  color: var(--text-muted);
}

.achievement-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.achievement-card.locked .achievement-description {
  color: var(--text-muted);
}

.achievement-points {
  font-size: 0.85rem;
  color: var(--accent-tertiary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.achievement-card.locked .achievement-points {
  color: var(--text-muted);
}

.achievement-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.9; }
}

/* ═══════════════════════════════════════════════════════════════════
   PAUSE SYSTEM
   ═══════════════════════════════════════════════════════════════════ */

.pause-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2500;
  animation: fadeIn 0.3s ease-out;
}

.pause-modal {
  background: var(--bg-secondary);
  border: 3px solid var(--accent-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.5);
  animation: slideUp 0.4s ease-out;
  max-width: 400px;
}

.pause-modal h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}

.pause-stats {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.pause-stats .stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
}

.pause-stats .label {
  font-weight: 600;
}

.pause-stats .value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem;
  color: var(--accent-primary);
  font-weight: 700;
}

.pause-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.pause-buttons .btn {
  flex: 1;
}

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

.pause-hint kbd {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: 'Orbitron', monospace;
  color: var(--accent-primary);
  margin: 0 0.25rem;
}

/* ═══════════════════════════════════════════════════════════════════
   SETTINGS MODAL
   ═══════════════════════════════════════════════════════════════════ */

.settings-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2500;
  padding: var(--spacing-md);
  animation: fadeIn 0.3s ease-out;
}

.settings-content {
  background: var(--bg-secondary);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.3);
  animation: slideUp 0.4s ease-out;
}

.music-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.music-info-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.track-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
}

#current-track-name {
  color: var(--accent-primary);
  margin: 0;
  font-size: 1.1rem;
}

.music-controls {
  display: flex;
  gap: var(--spacing-sm);
}

.music-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.music-btn:hover {
  background: var(--accent-primary);
  color: white;
}

.music-btn.play-pause {
  width: 40px;
  height: 40px;
  background: var(--accent-primary);
  color: white;
  font-size: 1.1rem;
}

.music-progress-container {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.music-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  width: 0%;
  transition: width 0.1s linear;
}

.music-visualizer-mock {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 20px;
  justify-content: center;
}

.music-visualizer-mock .bar {
  width: 4px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 2px 2px 0 0;
  opacity: 0.5;
}

.music-visualizer-mock.animating .bar {
  animation: visualize 1s ease-in-out infinite alternate;
}

.music-visualizer-mock.animating .bar:nth-child(2n) { animation-delay: 0.2s; }
.music-visualizer-mock.animating .bar:nth-child(3n) { animation-delay: 0.4s; }
.music-visualizer-mock.animating .bar:nth-child(4n) { animation-delay: 0.6s; }

@keyframes visualize {
  0% { height: 4px; }
  100% { height: 18px; }
}

.slider-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.settings-header h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  color: var(--accent-primary);
  margin: 0;
}

.settings-body {
  padding: var(--spacing-lg);
}

.settings-section {
  margin-bottom: var(--spacing-xl);
}

.settings-section:last-child {
  margin-bottom: 0;
}

.settings-section h3 {
  font-size: 1.2rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.settings-section h3 i {
  font-size: 1.4rem;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.setting-item label {
  font-weight: 600;
  color: var(--text-primary);
}

.setting-item input[type="range"] {
  flex: 1;
  margin: 0 var(--spacing-md);
}

.slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-primary);
  outline: none;
  -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.volume-display {
  color: var(--accent-primary);
  font-weight: 600;
  min-width: 50px;
  text-align: right;
}

.select-input {
  padding: 0.5rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Poppins', sans-serif;
  cursor: pointer;
  transition: var(--transition);
}

.select-input:hover {
  border-color: var(--accent-primary);
}

.select-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
}

.toggle-input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-primary);
  transition: 0.3s;
  border-radius: 28px;
  border: 1px solid var(--border-color);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-muted);
  transition: 0.3s;
  border-radius: 50%;
}

.toggle-input:checked + .toggle-slider {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.toggle-input:checked + .toggle-slider:before {
  transform: translateX(22px);
  background-color: var(--bg-secondary);
}

.storage-info {
  padding: var(--spacing-sm);
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  font-family: 'Orbitron', monospace;
  color: var(--accent-primary);
  font-weight: 600;
}

.settings-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  display: flex;
  gap: var(--spacing-md);
}

.settings-footer .btn {
  flex: 1;
}

/* Settings Button in Header */
.settings-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem;
}

.settings-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: var(--glow);
}

/* Responsive */
@media (max-width: 768px) {
  .settings-content {
    max-width: 95vw;
  }

  .setting-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .setting-item label {
    width: 100%;
  }

  .setting-item input[type="range"],
  .select-input {
    width: 100%;
  }

  .pause-modal {
    max-width: 90vw;
    padding: var(--spacing-lg);
  }

  .pause-modal h2 {
    font-size: 2rem;
  }

  .pause-buttons {
    flex-direction: column;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   DIFFICULTY SYSTEM
   ═══════════════════════════════════════════════════════════════════ */

.difficulty-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2600;
  padding: var(--spacing-md);
  animation: fadeIn 0.3s ease-out;
}

.difficulty-selector {
  background: var(--bg-secondary);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 600px;
  width: 100%;
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.3);
  animation: slideUp 0.4s ease-out;
}

.difficulty-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.difficulty-header h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}

.difficulty-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.difficulty-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.difficulty-option {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.difficulty-option::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.1), transparent);
  transition: left 0.6s;
}

.difficulty-option:hover::before {
  left: 100%;
}

.difficulty-option:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--glow);
}

.difficulty-option.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-color: transparent;
  color: white;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.5);
}

.difficulty-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1;
}

.difficulty-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--accent-primary);
}

.difficulty-option.active .difficulty-name {
  color: white;
}

.difficulty-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.difficulty-option.active .difficulty-desc {
  color: rgba(255, 255, 255, 0.9);
}

.difficulty-multiplier {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-tertiary);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.difficulty-option.active .difficulty-multiplier {
  color: rgba(255, 255, 255, 0.8);
  border-top-color: rgba(255, 255, 255, 0.2);
}

.difficulty-badge {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-left: var(--spacing-sm);
}

/* Difficulty Indicator in Game Modal */
.game-difficulty-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.game-difficulty-indicator .difficulty-badge {
  margin-left: 0;
}

.difficulty-selector-btn {
  padding: 0.5rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  font-weight: 600;
}

.difficulty-selector-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Difficulty Stats Display */
.difficulty-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.difficulty-stat-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
}

.difficulty-stat-card h4 {
  font-family: 'Orbitron', sans-serif;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.difficulty-stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: 'Orbitron', monospace;
}

.difficulty-stat-card .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--spacing-sm);
}

/* Responsive */
@media (max-width: 768px) {
  .difficulty-selector {
    padding: var(--spacing-lg);
  }

  .difficulty-header h3 {
    font-size: 1.5rem;
  }

  .difficulty-options {
    grid-template-columns: 1fr;
  }

  .difficulty-option {
    padding: var(--spacing-md);
  }

  .difficulty-icon {
    font-size: 2.5rem;
  }

  .difficulty-name {
    font-size: 1.1rem;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   LOADING STATES
   ═══════════════════════════════════════════════════════════════════ */

.game-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  gap: var(--spacing-lg);
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.game-loading p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 500;
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 300px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
}

.skeleton-text {
  height: 20px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.skeleton-text.short {
  width: 60%;
}

/* Optimized animations */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Performance optimizations */
.game-card {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.game-modal-content {
  will-change: transform;
  transform: translateZ(0);
}

canvas {
  image-rendering: crisp-edges;
  image-rendering: -webkit-optimize-contrast;
}