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

:root {
  --bg: #111;
  --fg: #ccc;
  --accent: #e87d20;
  --border: #333;
  --code-bg: #1a1a1a;
  --muted: #888;
  --syn-keyword: #e87d20;
  --syn-string: #7a9a5a;
  --syn-comment: #666;
  --syn-fn: #6a9fb5;
  --syn-var: #c5a05a;
  --syn-builtin: #b07ab0;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5f5f5;
    --fg: #222;
    --accent: #c96a10;
    --border: #ccc;
    --code-bg: #e8e8e8;
    --muted: #707070;
    --syn-keyword: #a85a10;
    --syn-string: #3a6a1a;
    --syn-comment: #888;
    --syn-fn: #1a5a7a;
    --syn-var: #7a5a0a;
    --syn-builtin: #6a2a6a;
  }
}

[data-theme="light"] {
  --bg: #f5f5f5;
  --fg: #222;
  --accent: #c96a10;
  --border: #ccc;
  --code-bg: #e8e8e8;
  --muted: #707070;
  --syn-keyword: #a85a10;
  --syn-string: #3a6a1a;
  --syn-comment: #888;
  --syn-fn: #1a5a7a;
  --syn-var: #7a5a0a;
  --syn-builtin: #6a2a6a;
}

body {
  font-family: monospace;
  background: var(--bg);
  color: var(--fg);
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1rem;
  line-height: 1.6;
}

nav {
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

nav a {
  color: var(--accent);
  margin-right: 1rem;
  text-decoration: none;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  z-index: 100;
}

.skip-link:focus { left: 0; }

#theme-toggle {
  float: right;
  cursor: pointer;
  color: var(--muted);
  background: none;
  border: none;
  font: inherit;
  padding: 0;
}

#theme-toggle:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

h1, h2, h3 { color: var(--accent); margin: 1.5rem 0 0.5rem; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.1rem; }

a { color: var(--accent); }

p { margin-bottom: 1rem; }

ul, ol { margin: 0.5rem 0 1rem 1.5rem; }

code, .org-src-container { background: var(--code-bg); padding: 0.15rem 0.3rem; }

.org-src-container {
  display: block;
  padding: 1rem;
  margin: 1rem 0;
  overflow-x: auto;
}

pre { color: var(--fg); }

#content { margin-top: 1rem; }

#postamble {
  margin-top: 3rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
}

#postamble a { color: var(--muted); }
#postamble a:hover { color: var(--accent); }


.org-keyword, .org-org-keyword { color: var(--syn-keyword); }
.org-string, .org-org-string, .org-doc, .org-org-doc { color: var(--syn-string); }
.org-comment, .org-org-comment, .org-comment-delimiter, .org-org-comment-delimiter { color: var(--syn-comment); }
.org-function-name, .org-org-function-name { color: var(--syn-fn); }
.org-variable-name, .org-org-variable-name { color: var(--syn-var); }
.org-builtin, .org-org-builtin { color: var(--syn-builtin); }
.org-type, .org-org-type { color: var(--syn-var); }
.org-constant, .org-org-constant { color: var(--syn-fn); }
.org-preprocessor, .org-org-preprocessor { color: var(--syn-builtin); }