html1, body1 {
  height: 100%;
  margin: 0;
  padding: 0;
  background: #fafafa;
  display1: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 40px;
  font-family: sans-serif;
}

/* Container */
.editor-container {
  width: 720px;
}

/* Kopieren-Button */
.copy-btn {
  background: #ffffff;
  border: 1px solid #dcdcdc;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(255,255,255,0.7);
  transition: 0.2s;
  margin-bottom: 10px;
}

.copy-btn:hover {
  background: #f5f5f5;
  box-shadow: 0 0 14px rgba(255,255,255,0.9);
}

/* Editor Wrapper */
.editor-wrapper {
  display: flex;
  width: 100%;
  height: 100%;
  border: 1px solid #dcdcdc;
  background: #ffffff;
  box-shadow: 0 0 12px rgba(255,255,255,0.7);
  font-family: monospace;
}

/* Zeilennummern */
.line-numbers {
  background: #f0f0f0;
  padding: 6px 10px;
  text-align: right;
  user-select: none;
  color: #777;
  border-right: 1px solid #e0e0e0;
  box-shadow: inset -2px 0 4px rgba(255,255,255,0.6);
}

.line-numbers div {
  height: 1.3em;
}

/* Textfeld */
textarea {
  border: none;
  resize: none;
  padding: 6px;
  width: 100%;
  height: 100%;
  outline: none;
  font-family: monospace;
  line-height: 1.3em;
  background: #ffffff;
  color: #333;
}