.bg-budget {
    background-color: #f8fafc;
  }
  
  .card {
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08), 0 3px 6px rgba(0, 0, 0, 0.12);
  }
  
  .btn-budget {
    background-color: #4f46e5;
    transition: all 0.2s ease;
  }
  
  .btn-budget:hover {
    background-color: #4338ca;
    transform: translateY(-1px);
  }
  
  .input-budget {
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
  }
  
  .input-budget:focus {
    border-color: #818cf8;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  }
  
  .recommendation-card {
    border-left: 4px solid;
  }
  
  .chart-container {
    min-height: 350px;
  }
  
  .tab-active {
    border-bottom: 3px solid #4f46e5;
    color: #4f46e5;
    font-weight: 600;
  }
  
  .pulse {
    animation: pulse 1.5s infinite;
  }
  
  @keyframes pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.6;
    }
  }
  
  .feedback-bubble {
    position: relative;
    background: #4f46e5;
    border-radius: 12px;
    padding: 15px;
    color: white;
    margin-top: 15px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s, transform 0.5s;
  }
  
  .feedback-bubble:after {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    border-bottom-color: #4f46e5;
    border-top: 0;
    margin-left: 0;
    margin-top: -10px;
  }
  
  .feedback-bubble.show {
    opacity: 1;
    transform: translateY(0);
  }