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

.container {
  display: flex;
  height: 100vh;
  margin: 10px;
}

#received-text-container {
  flex: 6;
  overflow-y: auto;
  padding: 1rem;
  background-color: #ebebeb;
  border: 1px solid #646cff;
  border-radius: 8px;
  margin-right: 2rem;
}

.controls {
  flex: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
}

.input-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
  width: 100%;
}

.input-group input,
.input-group textarea {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #ebebeb;
  margin-bottom: 0.5rem;
  transition: border-color 0.25s;
}

.input-group input:hover,
.input-group textarea:hover {
  border-color: #646cff;
}

.input-group input:focus,
.input-group textarea:focus,
.input-group input:focus-visible,
.input-group textarea:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

label {
  margin-bottom: 8px;
  font-weight: bold;
  color: #333;
}

select {
  padding: 10px 14px;
  font-size: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background-color: #f9f9f9;
  color: #333;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  appearance: none;
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
}

select:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 3px rgba(0, 123, 255, 0.5);
}
.button-group {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.toggle-group {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.toggle-group label {
  margin-right: 0.5rem;
}

button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #444df5;
  color: white;
  cursor: pointer;
  transition: border-color 0.25s;
}

button:hover {
  border-color: #646cff;
}

button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

button:disabled,
button[disabled] {
  border: 1px solid #999999;
  background-color: #cccccc;
  color: #666666;
}