body {
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  margin: 40px;
  background-color: #fff;
  color: #333;
}
h1 {
  color: #d4001a;
  font-size: 32px;
  margin-bottom: 10px;
}
.note, .bottom-note {
  background-color: #f9f9f9;
  border-left: 4px solid #d4001a;
  padding: 16px;
  margin: 20px 0;
  font-size: 15px;
  line-height: 1.6;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  box-shadow: 0 0 5px rgba(0,0,0,0.05);
}
th, td {
  border: 1px solid #e0e0e0;
  padding: 12px;
  text-align: left;
}
th {
  background-color: #f3f3f3;
  font-weight: 600;
}
input[type="number"] {
  width: 100px;
  padding: 6px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.total {
  font-weight: bold;
  background-color: #f0f0f0;
}