body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f1115;
  color: #e6e6e6;
}

header {
  padding: 40px;
  text-align: center;
  background: #151924;
  border-bottom: 1px solid #2a2f3a;
}

h1 {
  margin: 0;
}

input {
  margin-top: 15px;
  padding: 10px;
  width: 60%;
  max-width: 400px;
  border: none;
  border-radius: 6px;
  outline: none;
}

main {
  padding: 30px;
  display: grid;
  gap: 20px;
  max-width: 900px;
  margin: auto;
}

.card {
  background: #171b26;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid #2a2f3a;
  transition: 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  border-color: #3b82f6;
}

h2 {
  margin-top: 0;
  color: #6aa9ff;
}

ul {
  padding-left: 20px;
}

footer {
  text-align: center;
  padding: 20px;
  color: #777;
}

li {
    margin-top: 5px;
}

li a {
    color: peachpuff;
    text-decoration: none;
}

.code-block {
    border: 1px solid;
    padding: 10px;
    border-radius: 10px;
    cursor: pointer;
    margin-top: 10px;
}

pre {
    margin: 0;
    white-space: pre-wrap;
}

.full-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 1s ease;
    overflow: hidden;
    opacity: 0.9;
}

.full-wrapper > pre {
    overflow: hidden;
}

.code-block.open .full-wrapper {
    grid-template-rows: 1fr;
}

.preview {
    margin-bottom: 8px;
    opacity: 0.6;
}

.guide {
    border: 1px solid;
    border-radius: 10px;
    padding: 10px;
    margin-top: 10px;
    margin-bottom: 10px;
    font-family: system-ui;
    font-size: 14px;
}

pre.full {
    font-family: system-ui;
    font-size: 14px;
}