body {
  font-family: 'Roboto', sans-serif;
  background: #f9f9f9;
  color: #596172;
  margin: 0;
  padding: 10px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  background: #fff;
  padding: 20px;
  border: 1px solid #E4E4E7;
  border-radius: 10px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid #48d6de;
  padding-bottom: 10px;
}

.details-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

.details-box {
  flex: 1 1 45%;
  border: 1px solid #E4E4E7;
  padding: 10px;
  border-radius: 8px;
}

.details-box input, .details-box textarea {
  width: 100%;
  margin: 5px 0;
  padding: 6px;
  border: 1px solid #E4E4E7;
  border-radius: 5px;
}

.table-wrapper {
  overflow-x: auto;
  margin-top: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

th, td {
  border: 1px solid #E4E4E7;
  padding: 8px;
  text-align: center;
}

th {
  background: #48d6de;
  color: white;
}

input, select {
  width: 100%;
  padding: 5px;
  border: 1px solid #E4E4E7;
  border-radius: 5px;
}

.grand-total {
  text-align: right;
  margin-top: 15px;
  font-size: 18px;
  font-weight: bold;
  color: #596172;
}

.signature-section {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  font-weight: 500;
}

button {
  background: #48d6de;
  border: none;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 20px;
}

button:hover {
  background: #3fc1c8;
}

@media (max-width: 600px) {
  .details-box {
    flex: 1 1 100%;
  }
}