@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

  body {
    font-family: 'Roboto', sans-serif;
    background: #f7f9fc;
    margin: 0; padding: 0;
    display: flex;
    justify-content: center;
    padding: 30px 15px 60px;
    color: #333;
  }
  .container {
    max-width: 700px;
    width: 100%;
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 10px;
    padding: 30px 40px 40px;
  }
  h1 {
    text-align: center;
    color: #2b6777;
    margin-bottom: 15px;
  }
  form {
    margin-bottom: 25px;
  }
  label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #2b6777;
  }
  input[type="text"], input[type="number"], input[type="date"] {
    width: 100%;
    padding: 8px 12px;
    margin-bottom: 15px;
    border: 1.8px solid #ccc;
    border-radius: 5px;
    font-size: 15px;
    transition: border-color 0.3s ease;
  }
  input[type="text"]:focus, input[type="number"]:focus, input[type="date"]:focus {
    border-color: #2b6777;
    outline: none;
  }
  .item-entry {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
  }
  .item-entry input[type="text"], .item-entry input[type="number"] {
    flex: 1;
  }
  .item-entry input[type="number"] {
    max-width: 90px;
  }
  button, .btn {
    background-color: #2b6777;
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 7px;
    font-weight: 700;
    cursor: pointer;
    font-size: 15px;
    transition: background-color 0.3s ease;
  }
  button:hover, .btn:hover {
    background-color: #255560;
  }
  #add-item-btn {
    margin-top: -10px;
    margin-bottom: 25px;
    padding: 8px 18px;
    font-weight: 600;
  }
  .receipt {
    background: #e3f6f5;
    border: 2px solid #2b6777;
    border-radius: 10px;
    padding: 25px 30px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  }
  .receipt-header {
    text-align: center;
    margin-bottom: 20px;
  }
  .receipt-header h2 {
    margin: 0;
    color: #2b6777;
  }
  .receipt-info {
    margin-bottom: 15px;
    font-size: 14px;
  }
  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
  }
  table th, table td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1.5px solid #b1d0d7;
  }
  table th {
    background-color: #74a9ad;
    color: white;
  }
  .text-right {
    text-align: right;
  }
  .total {
    font-weight: 700;
    font-size: 18px;
    color: #2b6777;
  }
  .footer-note {
    text-align: center;
    font-size: 13px;
    color: #5c5c5c;
    margin-top: 25px;
    font-style: italic;
  }
  @media (max-width: 480px) {
    .item-entry {
      flex-direction: column;
    }
    .item-entry input[type="number"] {
      max-width: 100%;
    }
  }