body {
  background: #202124;
  color: #e8eaed;
  height: 100vh;
  margin: 0;
  padding: 15px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  overflow: hidden;
}

#toolbar {
  margin-bottom: 10px;
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

#container {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 10px;
  overflow: hidden;
}

textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #3c4043;
  border-radius: 8px;
  font-family: 'Consolas', monospace;
  font-size: 14px;
  display: block;
  box-sizing: border-box;
}

#input {
  height: 300px;
  min-height: 100px;
  flex: none;
  outline: none;
}

#output {
  background: black;
  color: white;
  border-color: #3c4043;
  min-height: 80px;
  flex: 1;
  outline: none;
  resize: none;
}

#resizer {
  background: #3c4043;
  height: 4px;
  cursor: row-resize;
  flex-shrink: 0;
  z-index: 10;
}

#resizer:hover {
  background: #8ab4f8;
}

button {
  background: #67cd46;
  color: #202124;
  border: none;
  border-radius: 6px;
  padding: 10px 20px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
}

button:hover:not(:disabled) {
  background: #aecbfa;
}

button:disabled {
  background: #3c4043;
  color: #80868b;
  cursor: wait;
}

#clear_output_button {
  background: transparent;
  color: #e8eaed;
  border: 1px solid #5f6368;
}

#clear_output_button:hover {
  background: #303134;
}