/* style.css */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f5f7fa;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 20px auto;
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

h1, h2 {
  text-align: center;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 15px;
}

form label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

form input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
}

table th, table td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: center;
}

table th {
  background-color: #f0f0f0;
}

button {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
  margin: 5px 0;
}

button:hover {
  background-color: #0056b3;
}

#invoice-summary {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background-color: #e9ecef;
  margin-bottom: 15px;
}