:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666;
  --border: #d0d0d0;
  --row-alt: #f6f6f6;
  --accent: #b32418;
  --code-bg: #f0f0f0;
  --hr: #e0e0e0;
  --link: #0066cc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181c;
    --fg: #e6e6e6;
    --muted: #9aa0a6;
    --border: #3a3f47;
    --row-alt: #1e2127;
    --accent: #ff6b5e;
    --code-bg: #21252b;
    --hr: #2e323a;
    --link: #6db3f2;
  }
}

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  margin: 0;
  padding: 0;
}
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

/* Headings */
h1, h2, h3, h4 {
  line-height: 1.25;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}
h1 { font-size: 2rem; border-bottom: 2px solid var(--border); padding-bottom: .35rem; }
h2 { font-size: 1.45rem; border-bottom: 1px solid var(--border); padding-bottom: .25rem; }
h3 { font-size: 1.15rem; color: var(--accent); }
h4 { font-size: 1rem; }
p { margin: .6rem 0; }
hr { border: none; border-top: 1px solid var(--hr); margin: 2rem 0; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
  font-size: 0.93rem;
  overflow-x: auto;
  display: block;
}
thead { background: var(--row-alt); }
th, td {
  border: 1px solid var(--border);
  padding: .4rem .55rem;
  text-align: left;
  vertical-align: top;
}
tbody tr:nth-child(even) { background: var(--row-alt); }

/* Code */
code {
  background: var(--code-bg);
  padding: .1rem .35rem;
  border-radius: 3px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: .9em;
}
pre {
  background: var(--code-bg);
  padding: .9rem 1rem;
  border-radius: 5px;
  overflow-x: auto;
  line-height: 1.45;
}
pre code { background: none; padding: 0; }

/* Blockquotes */
blockquote {
  border-left: 4px solid var(--border);
  margin: 1rem 0;
  padding: .25rem 1rem;
  color: var(--muted);
}

/* Lists */
ul, ol { padding-left: 1.5rem; }
li { margin: .25rem 0; }
strong { font-weight: 600; }
em { font-style: italic; }
s { color: var(--muted); }

/* Back link */
.back { margin-bottom: 1.5rem; }

/* Tags */
.tag {
  display: inline-block;
  background: var(--row-alt);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1rem 0.5rem;
  font-size: 0.8rem;
  margin-right: 0.3rem;
}

/* Meta info */
.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* Analysis list (index page) */
.analysis-list { list-style: none; padding: 0; }
.analysis-list li { padding: 0.8rem 0; border-bottom: 1px solid var(--hr); }
.analysis-list a { font-weight: 600; font-size: 1.05rem; }
.analysis-meta { color: var(--muted); font-size: 0.85rem; margin-top: 0.2rem; }

/* Footer / model label */
.model {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 2rem;
  border-top: 1px solid var(--hr);
  padding-top: 1rem;
}
footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--hr);
  color: var(--muted);
  font-size: .85rem;
  text-align: center;
}