* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 40px auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
  color: #007BFF;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 30px;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 8px;
}

.form input[type="text"],
.form input[type="number"] {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.form button {
  padding: 10px 20px;
  background: #007BFF;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.form button:hover {
  background: #0056b3;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

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

th {
  background-color: #007BFF;
  color: white;
}

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

a {
  text-decoration: none;
  color: #007BFF;
}

a:hover {
  text-decoration: underline;
}