/* Main CSS file for EmpowerKids Platform */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --primary-purple: #8b5cf6;
  --primary-blue: #3b82f6;
  --accent-yellow: #fbbf24;
  --success-green: #10b981;
  --warning-red: #ef4444;
  --dark-primary: #1a1a1a;
  --dark-secondary: #2d2d2d;
}

/* Base Styles */
body {
  font-family: 'Poppins', ui-sans-serif, system-ui, sans-serif;
  line-height: 1.6;
}

/* Hero Pattern */
.hero-pattern {
  background-image: radial-gradient(circle, rgba(255,255,255,0.8) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Card Hover Effects */
.card-hover {
  transition: all 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

/* Navigation Links */
.nav-link {
  position: relative;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--accent-yellow);
}

.nav-link:after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent-yellow);
  transition: width 0.3s ease;
}

.nav-link:hover:after {
  width: 100%;
}

/* Quiz Styles */
.quiz-option {
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.quiz-option:hover {
  transform: scale(1.02);
  border-color: var(--primary-blue);
}

.quiz-option.selected {
  border-color: var(--primary-purple);
  background-color: rgba(139, 92, 246, 0.1);
}

.correct-answer {
  background-color: var(--success-green) !important;
  color: white !important;
  border-color: var(--success-green) !important;
}

.incorrect-answer {
  background-color: var(--warning-red) !important;
  color: white !important;
  border-color: var(--warning-red) !important;
}

/* Button Styles */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-purple);
  border: 2px solid var(--primary-purple);
  padding: 10px 22px;
  border-radius: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--primary-purple);
  color: white;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background-color: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-purple), var(--primary-blue));
  transition: width 0.3s ease;
}

/* Achievement Badge */
.achievement-badge {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Loading Spinner */
.spinner {
  border: 3px solid #f3f3f3;
  border-top: 3px solid var(--primary-purple);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .nav-link:after {
    display: none;
  }
  
  .card-hover:hover {
    transform: none;
  }
}

/* Dark Mode Styles */
.dark .hero-pattern {
  background-image: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
}

.dark .quiz-option {
  background-color: var(--dark-secondary);
  color: white;
}

.dark .quiz-option:hover {
  background-color: rgba(59, 130, 246, 0.1);
}

/* Animation Classes */
.animate-bounce-slow {
  animation: bounce 2s infinite;
}

.animate-pulse-soft {
  animation: pulse 3s ease-in-out infinite;
}

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

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-purple);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-blue);
}