body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f5f7fa;
  color: #333;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

h1, h2 {
  text-align: center;
  margin-bottom: 20px;
}

.form-section {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

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

button {
  background-color: black;
  color: white;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #333;
}

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

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

tr:hover {
  background-color: #f1f1f1;
}

.action-btn {
  padding: 5px 10px;
  margin: 0 3px;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

.edit-btn {
  background-color: #2196f3;
  color: white;
}

.delete-btn {
  background-color: #f44336;
  color: white;
}

.update-btn {
  background-color: #4caf50;
  color: white;
}