/* NeuroLearn - Student Dashboard Styles */

/* ============================================
   📊 STAT CARDS
   ============================================ */
.stat-card {
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.stat-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
}

.stat-content {
  flex: 1;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: white;
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* ============================================
   📚 MODULE CARDS
   ============================================ */
.module-card {
  transition: all 0.3s ease;
}

.module-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ============================================
   🏆 ACHIEVEMENT CARDS
   ============================================ */
.achievement-card {
  background: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.achievement-card.unlocked {
  border-color: #fbbf24;
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

.achievement-card.unlocked:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 20px rgba(251, 191, 36, 0.4);
}

.achievement-card.locked {
  background: #f9fafb;
  border-color: #e5e7eb;
  opacity: 0.7;
}

.achievement-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

/* ============================================
   🎨 TABS
   ============================================ */
.tab-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
  background: white;
  color: #6b7280;
  border: 2px solid #e5e7eb;
}

.tab-btn:hover {
  background: #f9fafb;
  border-color: #3b82f6;
  color: #3b82f6;
}

.tab-btn.active {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.tab-content {
  animation: fadeIn 0.5s ease;
}

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

/* ============================================
   🎯 BUTTONS
   ============================================ */
.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: #f3f4f6;
  color: #374151;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid #e5e7eb;
  cursor: pointer;
}

.btn-secondary:hover {
  background: white;
  border-color: #3b82f6;
  color: #3b82f6;
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

/* ============================================
   🏷️ BADGES
   ============================================ */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-red {
  background: #fee2e2;
  color: #dc2626;
}

.badge-orange {
  background: #fed7aa;
  color: #ea580c;
}

.badge-green {
  background: #d1fae5;
  color: #059669;
}

.badge-blue {
  background: #dbeafe;
  color: #2563eb;
}

/* ============================================
   📱 RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .stat-card {
    flex-direction: column;
    text-align: center;
  }

  .stat-icon {
    margin-bottom: 1rem;
  }

  .achievement-card {
    padding: 1rem;
  }

  .achievement-icon {
    font-size: 2rem;
  }
}

/* ============================================
   🎨 ANIMATIONS
   ============================================ */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in {
  animation: slideIn 0.5s ease;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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

/* ============================================
   🌟 GLOW EFFECTS
   ============================================ */
.glow-blue {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.glow-green {
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

.glow-purple {
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}