/* ========================================
   ANIMATIONS & KEYFRAMES
   ======================================== */

/* Resource Value Glow Animation */
@keyframes gentle-glow {
  0%, 100% {
    text-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
  }
  50% {
    text-shadow: 0 0 16px rgba(212, 175, 55, 0.6);
  }
}

.resource-value {
  animation: gentle-glow 3s ease-in-out infinite;
}

/* Player Card Float Animation */
@keyframes card-float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
}

.player-card {
  animation: card-float 4s ease-in-out infinite;
}

/* Navigation Item Pulse Animation */
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(76, 111, 166, 0.4), 0 0 20px rgba(212, 175, 55, 0.3);
  }
  50% {
    box-shadow: 0 4px 16px rgba(76, 111, 166, 0.5), 0 0 30px rgba(212, 175, 55, 0.5);
  }
}

.nav-item.active {
  animation: pulse 2s ease-in-out infinite;
}

/* Modal Fade In Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal {
  animation: fadeIn 0.3s ease;
}

/* Modal Slide Up Animation */
@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.modal-content {
  animation: slideUp 0.3s ease;
}

/* Building Card Entrance Animation */
@keyframes card-entrance {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.building-card {
  animation: card-entrance 0.5s ease-out forwards;
  opacity: 0;
}

/* Tab Highlight Animation */
@keyframes tab-highlight {
  0% {
    transform: scaleX(0.8);
  }
  100% {
    transform: scaleX(1);
  }
}

.tab-btn.active {
  animation: none;
}

/* Production Bar Shimmer Animation */
@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.production-fill::after {
  animation: shimmer 2s infinite;
}

/* Button Hover Shine Effect */
@keyframes button-shine {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.btn::before,
.building-btn::before {
  animation: button-shine 0.3s ease forwards when hovered;
}