/* work-site — minimal, readable styling */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --border: #e0e0e0;
  --code-bg: #f5f5f5;
  --link: #0066cc;
  --link-visited: #6600cc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1a;
    --fg: #e0e0e0;
    --border: #404040;
    --code-bg: #2a2a2a;
    --link: #66b3ff;
    --link-visited: #cc99ff;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--fg);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Navigation bar */
nav {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav a {
  display: inline-block;
  margin: 0 1.5rem;
  color: var(--link);
  text-decoration: none;
  font-weight: 500;
}

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

/* Main content area */
main {
  flex: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  line-height: 1.25;
  font-weight: 600;
}

h1 {
  font-size: 2rem;
  margin-top: 0;
}

h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25em;
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 1em 0;
}

a {
  color: var(--link);
  text-decoration: underline;
}

a:visited {
  color: var(--link-visited);
}

/* Lists */
ul, ol {
  margin: 1em 0;
  padding-left: 2em;
}

li {
  margin: 0.5em 0;
}

/* Code and pre */
code {
  background: var(--code-bg);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9em;
}

pre {
  background: var(--code-bg);
  padding: 1em;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1em 0;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
}

table th,
table td {
  border: 1px solid var(--border);
  padding: 0.75em;
  text-align: left;
}

table th {
  background: var(--code-bg);
  font-weight: 600;
}

table tr:nth-child(even) {
  background: var(--code-bg);
}

/* Blockquote */
blockquote {
  margin: 1em 0;
  padding-left: 1em;
  border-left: 3px solid var(--border);
  color: var(--fg);
  opacity: 0.8;
}

/* Horizontal rule */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}

/* Responsive */
@media (max-width: 640px) {
  main {
    padding: 1rem;
  }

  nav a {
    display: block;
    margin: 0.5rem 1rem;
  }

  table {
    font-size: 0.9em;
  }

  table th,
  table td {
    padding: 0.5em;
  }
}