* {
  box-sizing: border-box;
}

body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Consolas, 'Courier New', monospace;
  background-color: #fff;
  color: #000;
}

.logo {
  background-color: #111827;
  text-align: center;
  padding: 10px;
}

.logo img {
  height: 40px;
}

.container {
  display: flex;
  height: calc(100vh - 100px);
}

.sidebar {
  width: 160px;
  background-color: #111827;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.file-tab {
  background: #1e1e1e;
  color: #8ab4f8;
  border: none;
  padding: 10px;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.2s ease;
}

.file-tab:hover {
  background: #222;
}

.file-tab.active {
  background: #293145;
  color: #fff;
}

.editor-preview {
  flex: 1;
  display: flex;
  flex-direction: row;
  overflow: hidden;
}

.editor-area {
  width: 50%;
  height: 100%;
}

#preview {
  width: 50%;
  border: none;
  background: white;
}

.buttons {
  background-color: #111827;
  padding: 10px;
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

button {
  padding: 10px 20px;
  background-color: #00bfff;
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 16px;
  border-radius: 5px;
}

button:hover {
  background-color: #008c9e;
}

input[type="text"] {
  padding: 10px;
  border-radius: 5px;
  border: none;
  font-size: 16px;
  width: 200px;
}