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

body {
  line-height: 1.6;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

button {
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  margin-top: 10px;
}

.title button {
  margin-top: 0px;
  margin-bottom: 10px;
}

button:hover {
  background: var(--accent-dark);
}

h1 {
  color: var(--darkgray);
  margin-bottom: 20px;
}

textarea {
  width: 100%;
  height: 700px;
  padding: 15px;
  background: rgb(var(--gray-light));
  color: var(--darkgray);
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  resize: vertical;
}

.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.title {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 10px;
}

.panel {
  background: var(--white);
  border-radius: 8px;
  border: 1px dotted #ccc;
  padding: 20px;
}

#output {
  min-height: 500px;
  padding: 15px;
  border: 1px solid rgb(var(--gray-light));
  border-radius: 4px;
  background: rgb(var(--gray-light));
}

h1, h2, h3, h4, h5, h6 {
  margin: 20px 0 10px 0;
  color: var(--darkgray);
}

h1 { font-size: 2em; }
h2 { font-size: 1.5em; }
h3 { font-size: 1.3em; }

p {
  margin: 10px 0;
}

ul, ol {
  margin: 10px 0;
  padding-left: 30px;
}

li {
  margin: 5px 0;
}

code {
  background: rgb(var(--gray-light));
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

pre {
  background: #282c34;
  color: #abb2bf;
  padding: 15px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 10px 0;
  text-wrap: auto;
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
}

blockquote {
  border-left: 4px solid rgb(var(--gray-light));
  padding-left: 15px;
  margin: 10px 0;
  color: var(--gray);
  font-style: italic;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

hr {
  border: none;
  border-top: 2px solid rgb(var(--gray-light));
  margin: 20px 0;
}

img {
  max-width: 100%;
  height: auto;
}

strong {
  font-weight: bold;
}

em {
  font-style: italic;
}

del {
  text-decoration: line-through;
}

.header {
  text-align: center;
  margin-bottom: 30px;
}

.label {
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--gray);
}

.title .label {
  margin-bottom: 0px;
}

@media (max-width: 768px) {
  body {
    padding: 10px;
    font-size: 16px;
  }

  .container {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  h1 {
    font-size: 1.75rem;
  }

  .panel {
    padding: 15px;
  }

  textarea {
    height: 400px;
    font-size: 16px;
  }

  #output {
    min-height: 300px;
    font-size: 1rem;
  }

  button {
    font-size: 1rem;
    padding: 12px 20px;
    min-height: 44px;
    width: 100%;
  }

  .title {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .label {
    font-size: 1rem;
  }

  h1 { font-size: 1.75em; }
  h2 { font-size: 1.5em; }
  h3 { font-size: 1.25em; }
}