.admin_buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

button,
.form_row button {
  padding: 10px 15px;
  background-color: #1e88e5;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.15s ease;
}

button:hover,
.form-row button:hover {
  background-color: #1565c0;
}

button:active,
.form-row button:active {
  background-color: #0d47a1;
}

button:disabled,
.form-row button:disabled {
  background-color: #ccc !important;
  cursor: not-allowed;
  opacity: 0.6;
}

.assignment_buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 600px;
  margin: 20px auto;
  gap: 10px;
}

.assignment_buttons button {
  flex: 0;
  padding: 8px 16px;
  font-weight: bold;
  min-width: 120px;
}

#send_email_btn,
#validate_code_btn {
  width: 160px;
}