body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-style: italic;
  background-color: #0d0d0d;
  color: #ffffff;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #1e1e1e;
  padding: 1rem 2rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

button {
  padding: 0.5rem 1rem;
  background-color: #333;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #555;
}

.subject-card {
  background: #1a1a1a;
  border-radius: 8px;
  margin: 1rem;
  padding: 1rem;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.subject-card input[type="text"] {
  background: #2a2a2a;
  color: white;
  border: none;
  padding: 0.5rem;
  margin-bottom: 1rem;
  width: 100%;
  font-style: italic;
  font-weight: bold;
}

.attendance-controls button {
  margin: 0.25rem;
}