/* General styles */
body {
  background-color: #f0f2f5;
  color: #333;
  font-family: 'Roboto', sans-serif;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background-color: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 800px;
}

h1 {
  text-align: center;
  color: #007bff;
  font-size: 36px;
  margin-bottom: 20px;
  font-family: 'Poppins', sans-serif;
}

.table-container {
  margin-bottom: 20px;
  overflow-x: auto;
}

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

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

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

td {
  background-color: #f9f9f9;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 15px;
}

label {
  margin-bottom: 5px;
  font-weight: bold;
}

input[type="text"],
input[type="date"],
input[type="number"] {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 16px;
  width: 100%;
}

.button-group {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

button {
  background-color: #007bff;
  color: white;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  font-size: 16px;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #0056b3;
}

.total {
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  margin-top: 20px;
}

.delete-btn {
  background-color: #e74c3c;
  color: white;
  padding: 8px;
  border: none;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.delete-btn:hover {
  background-color: #c0392b;
}

#inst-m {
  color: #555;
  font-size: 1.2rem;
  text-align: center;
}

.watermark {
  text-align: center;
  margin-top: 20px;
  color: #aaa;
  font-size: 0.9rem;
}