* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --neon-blue: #00d4ff;
  --neon-pink: #ff2d7b;
  --neon-green: #39ff14;
  --neon-yellow: #ffe600;
  --neon-purple: #b44dff;
  --text-primary: #e8e8f0;
  --text-secondary: #8888aa;
}

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

@keyframes pulse-title {
  0%, 100% { text-shadow: 0 0 20px var(--neon-blue), 0 0 40px var(--neon-blue), 0 0 80px rgba(0,212,255,0.3); }
  50% { text-shadow: 0 0 30px var(--neon-pink), 0 0 60px var(--neon-pink), 0 0 100px rgba(255,45,123,0.3); }
}

.title-pulse {
  animation: pulse-title 3s ease-in-out infinite;
  font-family: 'Bangers', cursive;
  letter-spacing: 0.1em;
}

@keyframes squish {
  0% { transform: scale(1); }
  30% { transform: scale(0.88, 1.12); }
  60% { transform: scale(1.05, 0.95); }
  100% { transform: scale(1); }
}

.click-squish {
  animation: squish 0.2s ease-out;
}

@keyframes float-up {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-120px) scale(0.5); }
}

.float-particle {
  animation: float-up 1s ease-out forwards;
  pointer-events: none;
  position: absolute;
  font-family: 'Bangers', cursive;
  font-size: 1.5rem;
  color: var(--neon-green);
  text-shadow: 0 0 10px var(--neon-green);
  z-index: 50;
}

.float-particle.golden {
  color: var(--neon-yellow);
  text-shadow: 0 0 20px var(--neon-yellow), 0 0 40px var(--neon-yellow);
  font-size: 2.5rem;
}

@keyframes toast-in {
  0% { transform: translateX(120%); opacity: 0; }
  15% { transform: translateX(0); opacity: 1; }
  85% { transform: translateX(0); opacity: 1; }
  100% { transform: translateX(120%); opacity: 0; }
}

.toast-anim {
  animation: toast-in 3.5s ease-in-out forwards;
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 30px rgba(0,212,255,0.3), 0 0 60px rgba(0,212,255,0.1), inset 0 0 30px rgba(0,212,255,0.1); }
  50% { box-shadow: 0 0 50px rgba(0,212,255,0.5), 0 0 100px rgba(0,212,255,0.2), inset 0 0 50px rgba(0,212,255,0.15); }
}

.btn-glow {
  animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes bg-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.bg-animated {
  background-size: 400% 400%;
  animation: bg-shift 15s ease infinite;
}

@keyframes frenzy-border {
  0%, 100% { border-color: var(--neon-pink); box-shadow: 0 0 40px var(--neon-pink), 0 0 80px var(--neon-pink), inset 0 0 40px rgba(255,45,123,0.2); }
  33% { border-color: var(--neon-yellow); box-shadow: 0 0 40px var(--neon-yellow), 0 0 80px var(--neon-yellow), inset 0 0 40px rgba(255,230,0,0.2); }
  66% { border-color: var(--neon-green); box-shadow: 0 0 40px var(--neon-green), 0 0 80px var(--neon-green), inset 0 0 40px rgba(57,255,20,0.2); }
}

.frenzy-mode {
  animation: frenzy-border 0.5s linear infinite !important;
  border-width: 4px !important;
  border-style: solid !important;
}

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

.screen-shake {
  animation: shake 0.1s ease-in-out;
}

@keyframes counter-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.counter-pop {
  animation: counter-pop 0.15s ease-out;
}

.upgrade-card {
  transition: all 0.2s ease;
  border: 1px solid rgba(255,255,255,0.06);
}

.upgrade-card:not(.disabled):hover {
  border-color: var(--neon-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,212,255,0.15);
}

.upgrade-card.disabled {
  opacity: 0.45;
  filter: grayscale(0.5);
}

.scrollbar-thin::-webkit-scrollbar {
  width: 6px;
}
.scrollbar-thin::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.02);
}
.scrollbar-thin::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.prestige-btn {
  background: linear-gradient(135deg, #b44dff, #ff2d7b, #ffe600);
  background-size: 200% 200%;
  animation: bg-shift 3s ease infinite;
}

@keyframes number-tick {
  0% { transform: translateY(-100%); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}