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

body {
  background: #0d1117;
  color: #c9d1d9;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", "JetBrains Mono", "DejaVu Sans Mono", monospace;
  font-size: 15px;
  line-height: 1.6;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

h1 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #58a6ff;
  margin-bottom: 0.2rem;
  letter-spacing: -0.5px;
}

h1 span {
  color: #f0f6fc;
}

.tagline {
  font-size: 1.05rem;
  color: #8b949e;
  margin-bottom: 2rem;
}

.prompt {
  color: #3fb950;
  font-weight: 600;
}

.prompt::before {
  content: "$ ";
  color: #8b949e;
}

.section {
  margin: 2.2rem 0;
}

.section h2 {
  font-size: 1.15rem;
  color: #f0f6fc;
  margin-bottom: 0.8rem;
  border-bottom: 1px solid #21262d;
  padding-bottom: 0.4rem;
}

.section p {
  color: #c9d1d9;
  margin-bottom: 0.8rem;
}

.repo-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0;
}

.repo-table th {
  text-align: left;
  color: #8b949e;
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid #21262d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.repo-table td {
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid #161b22;
  vertical-align: top;
}

.repo-table td:first-child {
  color: #58a6ff;
  font-weight: 500;
}

.repo-table td:nth-child(2) {
  color: #f0f6fc;
}

.repo-table td:nth-child(3) {
  color: #8b949e;
  font-size: 0.9rem;
}

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

a:hover {
  text-decoration: underline;
}

code {
  background: #161b22;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9rem;
  color: #f0f6fc;
}

pre {
  background: #161b22;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0.8rem 0;
  border: 1px solid #21262d;
}

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

.principle {
  margin: 0.6rem 0;
  padding-left: 1rem;
  border-left: 2px solid #21262d;
}

.principle strong {
  color: #f0f6fc;
}

.footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #21262d;
  color: #8b949e;
  font-size: 0.85rem;
}

.footer a {
  color: #8b949e;
}

@media (max-width: 600px) {
  .container {
    padding: 1.5rem 1rem 3rem;
  }
  h1 {
    font-size: 1.6rem;
  }
  .repo-table td, .repo-table th {
    padding: 0.3rem 0.4rem;
    font-size: 0.85rem;
  }
}