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

body {
  font-family: 'Space Grotesk', sans-serif;
  background-color: #0f172a;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

.gradient-bg {
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(147, 51, 234, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(249, 115, 22, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(236, 72, 153, 0.1) 0%, transparent 60%);
  animation: gradient-shift 15s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% {
    background: 
      radial-gradient(ellipse at 20% 20%, rgba(147, 51, 234, 0.15) 0%, transparent 50%),
      radial-gradient(ellipse at 80% 80%, rgba(249, 115, 22, 0.15) 0%, transparent 50%),
      radial-gradient(ellipse at 50% 50%, rgba(236, 72, 153, 0.1) 0%, transparent 60%);
  }
  33% {
    background: 
      radial-gradient(ellipse at 80% 20%, rgba(147, 51, 234, 0.15) 0%, transparent 50%),
      radial-gradient(ellipse at 20% 80%, rgba(249, 115, 22, 0.15) 0%, transparent 50%),
      radial-gradient(ellipse at 50% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
  }
  66% {
    background: 
      radial-gradient(ellipse at 50% 80%, rgba(147, 51, 234, 0.15) 0%, transparent 50%),
      radial-gradient(ellipse at 50% 20%, rgba(249, 115, 22, 0.15) 0%, transparent 50%),
      radial-gradient(ellipse at 20% 50%, rgba(236, 72, 153, 0.1) 0%, transparent 60%);
  }
}

.slide-in {
  animation: slideIn 0.4s ease-out forwards;
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-30px);
  }
}

.question-card {
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(71, 85, 105, 0.3);
  border-radius: 1.5rem;
  padding: 2rem;
}

@media (min-width: 768px) {
  .question-card {
    padding: 3rem;
  }
}

.answer-button {
  position: relative;
  overflow: hidden;
}

.answer-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(147, 51, 234, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.answer-button:hover::before {
  transform: translateX(100%);
}

.result-card {
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(71, 85, 105, 0.3);
  border-radius: 1.5rem;
  overflow: hidden;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(147, 51, 234, 0.2);
  border-top-color: #a855f7;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.animate-bounce-slow {
  animation: bounce-slow 2s ease-in-out infinite;
}

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

.confetti-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 50;
}

.confetti-piece {
  position: absolute;
  top: -20px;
  border-radius: 2px;
  animation: confetti-fall 3s ease-out forwards;
}

@keyframes confetti-fall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #1e293b;
}

::-webkit-scrollbar-thumb {
  background: #475569;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

@media (max-width: 640px) {
  .question-card {
    padding: 1.5rem;
  }
  
  h1 {
    font-size: 1.75rem !important;
  }
}