:root {
  color-scheme: dark;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

#history::-webkit-scrollbar {
  width: 6px;
}

#history::-webkit-scrollbar-track {
  background: rgba(148, 163, 184, 0.15);
  border-radius: 9999px;
}

#history::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.9), rgba(244, 114, 182, 0.9));
  border-radius: 9999px;
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.pop-in {
  animation: popIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.glow {
  animation: glowPulse 1.4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%,
  100% {
    box-shadow: 0 0 0 rgba(34, 211, 238, 0);
  }
  50% {
    box-shadow: 0 0 35px rgba(34, 211, 238, 0.35);
  }
}

.confetti-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, #22d3ee, #f472b6);
  opacity: 0;
  animation: confetti 2.2s ease forwards;
}

@keyframes confetti {
  0% {
    opacity: 1;
    transform: translateY(-20px) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translateY(220px) rotate(240deg);
  }
}