body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    color: #222;
    line-height: 1.6;
    padding: 20px;
    
  }

.calculator_area{
 padding:1rem;
	background-color: #EAF4FF;
	border:1px solid #004D99;
	margin:1rem;
	border-radius:1rem;
	box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

  h2 {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 20px;
  }

  label {
    display: block;
    font-weight: 500;
    margin-top: 15px;
    margin-bottom: 5px;
    font-size: 15px;
  }

  select, input[type="number"] {
    padding: 8px 10px;
    font-size: 15px;
    border-radius: 4px;
    border: 1px solid #ccc;
    width: 220px;
    max-width: 100%;
  }

  button {
    margin-top: 20px;
    padding: 10px 18px;
    font-size: 15px;
    background-color: #0066cc;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }

  button:hover {
    background-color: #004d99;
  }

  #result {
    margin-top: 25px;
    font-size: 16px;
    font-weight: 500;
    background-color: #eaf4ff;
    border-left: 5px solid #007acc;
    padding: 15px;
    border-radius: 4px;
  }

  #result strong {
    color: #111;
  }

  select {
    appearance: none;
    background-color: #fff;
    background-image: url("data:image/svg+xml;utf8,<svg fill='gray' height='12' viewBox='0 0 24 24' width='12' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 12px;
    padding-right: 30px;
  }

  @media (max-width: 600px) {
    input, select {
      width: 100%;
    }
    button {
      width: 100%;
    }
  }