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

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --grid-border: #2a2a4a;
  --grid-hover: #2e2e5a;
  --gold: #fbbf24;
  --energy: #38bdf8;
  --raw: #a78bfa;
  --wood: #4ade80;
  --metal: #94a3b8;
  --goods: #fb923c;
  --accent-pink: #f472b6;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'IBM Plex Sans', sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
}

.pixel-font {
  font-family: 'Press Start 2P', cursive;
}

.bg-grid-pattern {
  background-image: 
    linear-gradient(rgba(42, 42, 74, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 42, 74, 0.3) 1px, transparent 1px);
  background-size: 20px 20px;
}

@keyframes floatUp {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-40px) scale(1.3); }
}

@keyframes pulse-glow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

@keyframes resource-bump {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

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

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px) rotate(-1deg); }
  75% { transform: translateX(3px) rotate(1deg); }
}

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

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

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

@keyframes flowDot {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

.float-up {
  animation: floatUp 1s ease-out forwards;
  pointer-events: none;
  position: absolute;
  z-index: 50;
}

.resource-bump {
  animation: resource-bump 0.3s ease-out;
}

.shake {
  animation: shake 0.15s ease-in-out;
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

.progress-bar-fill {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  background-size: 200% 100%;
  animation: progress-shimmer 2s infinite;
}

.building-cell {
  transition: all 0.15s ease;
  image-rendering: pixelated;
}

.building-cell:hover {
  background: var(--grid-hover);
  transform: scale(1.02);
  box-shadow: 0 0 12px rgba(164, 139, 250, 0.2);
}

.building-active {
  animation: pulse-glow 2s infinite;
}

.harvest-btn {
  transition: all 0.1s ease;
  position: relative;
  overflow: hidden;
}

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

.harvest-btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
}

.harvest-btn:active::after {
  width: 200px;
  height: 200px;
}

.tooltip-container {
  position: relative;
}

.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

.custom-scrollbar::-webkit-scrollbar-thumb {
  background: var(--grid-border);
  border-radius: 3px;
}

.pixel-sprite {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

.modal-overlay {
  backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
  .game-grid {
    grid-template-columns: repeat(6, 1fr) !important;
  }
}