body { font-family: Arial, sans-serif; background: #f9f9f9; padding: 20px; }

/* Custom styles to complement TailwindCSS */

/* Line clamp utilities for text truncation */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Custom animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Focus styles for better accessibility */
.answer-button:focus {
  outline: 2px solid #4f46e5;
  outline-offset: 2px;
}

/* Custom button hover effects */
.quiz-card:hover img {
  transform: scale(1.05);
  transition: transform 0.3s ease;
}

/* Loading animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Responsive text sizing */
@media (max-width: 640px) {
  .text-responsive {
    font-size: 1rem;
  }
}

@media (min-width: 641px) {
  .text-responsive {
    font-size: 1.125rem;
  }
}

/* Custom gradient backgrounds */
.bg-gradient-custom {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Smooth transitions for all interactive elements */
* {
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

/* Custom focus ring for better accessibility */
.focus-ring:focus {
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Custom card shadows */
.card-shadow {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-shadow-hover:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}