* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: #1e1e1e;
  color: #d4d4d4;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 8px;
}

#terminal-container {
  flex: 1;
  border-radius: 4px;
  overflow: hidden;
}

#terminal-container,
#terminal-container .xterm,
#terminal-container .xterm * {
  font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", monospace;
  letter-spacing: 0;
  word-spacing: 0;
}

.input-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

#cmd-input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid #444;
  border-radius: 4px;
  background: #2d2d2d;
  color: #d4d4d4;
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

#cmd-input:focus {
  border-color: #666;
}

#run-btn {
  padding: 6px 20px;
  border: none;
  border-radius: 4px;
  background: #0e639c;
  color: #fff;
  font-size: 13px;
  cursor: pointer;
}

#run-btn:hover {
  background: #1177bb;
}

#run-btn:disabled {
  background: #555;
  cursor: not-allowed;
}