Animated Progress Steps

.progress-steps-container {
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  padding: 30px;
  border-radius: 20px;
  max-width: 600px;
  margin: 0 auto;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
  position: relative;
}

.progress-steps::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 0;
  right: 0;
  height: 4px;
  background: #e2e8f0;
  z-index: 1;
}

.progress-steps .progress-bar {
  content: '';
  position: absolute;
  top: 20px;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  z-index: 2;
  transition: width 0.3s ease;
  width: 0%;
}

.step {
  text-align: center;
  position: relative;
  z-index: 3;
  cursor: pointer;
}

.step-icon {
  width: 40px;
  height: 40px;
  background: #e2e8f0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: #999;
  margin: 0 auto 10px;
  transition: all 0.3s ease;
}

.step.active .step-icon {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  transform: scale(1.1);
}

.step.completed .step-icon {
  background: #27ae60;
  color: white;
}

.step-label {
  font-size: 0.9rem;
  color: #999;
  font-weight: 500;
  transition: all 0.3s ease;
}

.step.active .step-label {
  color: #333;
  font-weight: 600;
}

.step.completed .step-label {
  color: #27ae60;
}

.step-content {
  min-height: 150px;
  margin-bottom: 30px;
}

.step-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.step-pane.active {
  display: block;
}

.step-pane h3 {
  margin: 0 0 15px 0;
  color: #333;
  font-size: 1.5rem;
}

.step-pane p {
  color: #666;
  line-height: 1.6;
}

.step-navigation {
  display: flex;
  justify-content: space-between;
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: #f1f5f9;
  color: #666;
}

.btn-secondary:hover {
  background: #e2e8f0;
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

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

/* Responsive */
@media (max-width: 768px) {
  .progress-steps-container {
    padding: 20px;
  }
  
  .step-label {
    font-size: 0.8rem;
  }
  
  .step-pane h3 {
    font-size: 1.3rem;
  }
}

document.addEventListener('DOMContentLoaded', function() {
  // Get DOM elements
  const steps = document.querySelectorAll('.step');
  const stepPanes = document.querySelectorAll('.step-pane');
  const prevBtn = document.getElementById('prevBtn');
  const nextBtn = document.getElementById('nextBtn');
  const progressBar = document.createElement('div');
  
  // Add progress bar to steps container
  progressBar.className = 'progress-bar';
  document.querySelector('.progress-steps').appendChild(progressBar);
  
  let currentStep = 1;
  const totalSteps = steps.length;
  
  // Initialize progress bar
  updateProgressBar();
  
  // Add event listeners to steps
  steps.forEach(step => {
    step.addEventListener('click', () => {
      const stepNumber = parseInt(step.getAttribute('data-step'));
      if (stepNumber <= currentStep || step.classList.contains('completed')) {
        goToStep(stepNumber);
      }
    });
  });
  
  // Navigation buttons
  prevBtn.addEventListener('click', () => {
    if (currentStep > 1) {
      goToStep(currentStep - 1);
    }
  });
  
  nextBtn.addEventListener('click', () => {
    if (currentStep < totalSteps) {
      // Mark current step as completed
      steps[currentStep - 1].classList.add('completed');
      goToStep(currentStep + 1);
    } else {
      // Finish process
      alert('Process completed!');
    }
  });
  
  // Go to specific step
  function goToStep(stepNumber) {
    // Update current step
    currentStep = stepNumber;
    
    // Update steps UI
    steps.forEach((step, index) => {
      step.classList.remove('active');
      if (index + 1 < stepNumber) {
        step.classList.add('completed');
      } else if (index + 1 === stepNumber) {
        step.classList.add('active');
      }
    });
    
    // Update step panes
    stepPanes.forEach((pane, index) => {
      pane.classList.remove('active');
      if (index + 1 === stepNumber) {
        pane.classList.add('active');
      }
    });
    
    // Update progress bar
    updateProgressBar();
    
    // Update button states
    prevBtn.disabled = currentStep === 1;
    nextBtn.textContent = currentStep === totalSteps ? 'Finish' : 'Next';
  }
  
  // Update progress bar width
  function updateProgressBar() {
    const progress = ((currentStep - 1) / (totalSteps - 1)) * 100;
    progressBar.style.width = `${progress}%`;
  }
});