body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
}

.container {
  max-width: 900px;
  margin: 50px auto;
  background: white;
  padding: 30px;
  border-radius: 10px;
}

h1 {
  margin-top: 0;
}

.form {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
}

input {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  padding: 10px 16px;
  border: none;
  border-radius: 5px;
  background: #2563eb;
  color: white;
  cursor: pointer;
}

button:hover {
  opacity: 0.85;
}

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

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