.budget-calc {
  max-width: 450px;
  margin: 20px auto;
  background: #ffffff;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  font-family: 'Segoe UI', Arial, sans-serif;
  border: 1px solid #e2e8f0;
}

.budget-calc h2 {
  color: #1a3c34;
  text-align: center;
  margin-bottom: 25px;
  font-size: 24px;
}

.input-box {
  margin-bottom: 20px;
}

.input-box label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #4a5568;
}

.input-box select,
.input-box input {
  width: 100%;
  padding: 12px;
  border: 2px solid #edf2f7;
  border-radius: 10px;
  font-size: 16px;
  outline: none;
  box-sizing: border-box;
}

.input-box select:focus,
.input-box input:focus {
  border-color: #2ecc71;
}

.calc-btn {
  width: 100%;
  background: #2ecc71;
  color: white;
  padding: 15px;
  border: none;
  border-radius: 12px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.calc-btn:hover {
  background: #27ae60;
  transform: translateY(-2px);
}

#budget-result {
  display: none;
  margin-top: 25px;
  padding: 20px;
  background: #f0fff4;
  border-radius: 15px;
  border: 2px solid #c6f6d5;
  text-align: center;
}

.total-price {
  font-size: 28px;
  color: #22543d;
  font-weight: 800;
  display: block;
  margin-top: 10px;
}