* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

body {
  background-color: #f5f5f5;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  overflow: hidden;
}

header {
  background-color: #4a6fa5;
  color: white;
  padding: 20px;
  text-align: center;
}

.main-content {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px;
}

.left-panel, .right-panel {
  flex: 1;
  min-width: 300px;
}

.panel {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
  color: #333;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid #4a6fa5;
}

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

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: #555;
}

input[type="text"],
input[type="number"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

button {
  background-color: #4a6fa5;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #3a5a80;
}

.btn-danger {
  background-color: #dc3545;
}

.btn-danger:hover {
  background-color: #c82333;
}

.btn-success {
  background-color: #28a745;
}

.btn-success:hover {
  background-color: #218838;
}

.search-container {
  margin-bottom: 20px;
}

.search-container input {
  padding: 10px;
  width: 100%;
  font-size: 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background-color: #e9ecef;
  font-weight: bold;
}

tr:hover {
  background-color: #f5f5f5;
}

.action-buttons {
  display: flex;
  gap: 5px;
}

.action-btn {
  padding: 5px 10px;
  font-size: 14px;
}

.basket-total {
  margin-top: 20px;
  padding: 15px;
  background-color: #e9ecef;
  border-radius: 4px;
  font-size: 18px;
  font-weight: bold;
  text-align: right;
}

.discount-input {
  width: 60px;
  padding: 5px;
  text-align: center;
}

@media (max-width: 768px) {
  .main-content {
    flex-direction: column;
  }
  
  .left-panel, .right-panel {
    min-width: 100%;
  }
}