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

/* Body */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    color: #333;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    padding: 20px 0;
    background-color: #2c3e50;
    color: #ecf0f1;
    border-radius: 8px;
    margin-bottom: 20px;
}

header h1 {
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
}

/* Sections */
section {
    background: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
    color: #2980b9;
    margin-bottom: 10px;
}

h3 {
    color: #16a085;
    margin-top: 15px;
}

/* Lists */
ul {
    margin: 10px 0 0 20px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 8px;
    text-align: left;
}

th {
    background-color: #2980b9;
    color: #fff;
}

/* Code blocks */
pre {
    background-color: #ecf0f1;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 30px;
}

footer a {
    color: #2980b9;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

details {
    background: #ecf0f1;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
}

details summary {
    font-weight: bold;
    cursor: pointer;
    color: #16a085;
}

/* Global */
body {
  font-family: 'Fira Code', 'Segoe UI', Tahoma, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* Header */
header {
  background: linear-gradient(135deg, #161b22, #0d1117);
  color: #58a6ff;
  text-align: center;
  padding: 2rem;
  border-bottom: 2px solid #30363d;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

header p {
  color: #8b949e;
}

/* Sections */
section {
  margin: 2rem auto;
  max-width: 900px;
  background: #161b22;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Collapsible Cards */
details {
  margin: 1rem 0;
  border: 1px solid #30363d;
  border-radius: 8px;
  background: #0d1117;
  overflow: hidden;
}

summary {
  padding: 0.8rem 1rem;
  cursor: pointer;
  font-weight: bold;
  background: #21262d;
  color: #58a6ff;
  border-bottom: 1px solid #30363d;
}

summary:hover {
  background: #30363d;
}

/* Code Blocks */
pre {
  background: #0d1117;
  color: #f5f5f5;
  padding: 1rem;
  margin: 0;
  overflow-x: auto;
  border-radius: 0 0 8px 8px;
  font-size: 0.95rem;
  line-height: 1.4;
}

/* Highlighting Commands */
code {
  font-family: "Fira Code", monospace;
  color: #79c0ff;
}

pre code {
  display: block;
  white-space: pre;
}

pre code .comment {
  color: #8b949e;
  font-style: italic;
}

pre code .command {
  color: #79c0ff;
}

pre code .option {
  color: #a5d6ff;
}

pre code .arg {
  color: #ffa657;
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background: #161b22;
  color: #8b949e;
  border-top: 1px solid #30363d;
}

footer a {
  color: #58a6ff;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}