/* Aerflo Cost Calculator Styles - Modern, Responsive */
#aerflo-calculator {
  max-width: 600px;
  margin: 0 auto;
  padding: 30px;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
}

.aerflo-title {
  text-align: center;
  color: #2c3e50;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 30px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.months-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.months-btn {
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  background: #3498db;
  color: white;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.months-btn:hover {
  background: #2980b9;
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(52, 152, 219, 0.4);
}

.months-btn:active {
  transform: translateY(0);
}

.months-input {
  width: 80px;
  padding: 12px 16px;
  border: 3px solid #ecf0f1;
  border-radius: 12px;
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  background: white;
}

.months-input:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
}

.cost-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  margin-bottom: 10px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.2s ease;
}

.cost-row:hover {
  transform: translateY(-1px);
}

.cost-label {
  font-weight: 600;
  color: #2c3e50;
  font-size: 16px;
}

.cost-value {
  font-size: 18px;
  font-weight: 700;
  color: #27ae60;
}

.conv-monthly, 
.conv-total {
  color: #e74c3c !important;
}


.savings-row {
  background: linear-gradient(135deg, #27ae60, #2ecc71) !important;
  color: white !important;
  transform: scale(1.02);
}

.savings-row .cost-label,
.savings-row .cost-value {
  color: white !important;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.fan-type {
  font-size: 14px;
  opacity: 0.9;
}

/* Responsive */
@media (max-width: 480px) {
  #aerflo-calculator {
    margin: 10px;
    padding: 20px;
  }
  
  .aerflo-title {
    font-size: 24px;
  }
  
  .months-control {
    gap: 10px;
  }
  
  .months-btn {
    width: 45px;
    height: 45px;
    font-size: 20px;
  }
  
  .cost-row {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  
  .cost-value {
    font-size: 20px;
  }
}

/* Animation for updates */
.cost-value.updated {
  animation: popIn 0.4s ease;
}

@keyframes popIn {
  0% { transform: scale(0.8); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}