/* ---------- fonts ---------- */
@font-face {
  font-family: "JetBrains Mono";
  src: url("/static/vendor/fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/static/vendor/fonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/static/vendor/fonts/JetBrainsMono-Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* ---------- theme tokens ---------- */
:root {
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, "SF Mono", monospace;
}
:root[data-theme="light"], :root:not([data-theme]) {
  --bg: #f7f7f5;
  --bg-raised: #eeeeeb;
  --fg: #21252b;
  --muted: #6d747f;
  --accent: #0f7b5f;
  --accent-soft: #0f7b5f22;
  --border: #dcdcd7;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0d1117;
  --bg-raised: #151b23;
  --fg: #d6dce3;
  --muted: #828d99;
  --accent: #43cf9c;
  --accent-soft: #43cf9c22;
  --border: #21262e;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #0d1117;
    --bg-raised: #151b23;
    --fg: #d6dce3;
    --muted: #828d99;
    --accent: #43cf9c;
    --accent-soft: #43cf9c22;
    --border: #21262e;
    color-scheme: dark;
  }
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
  max-width: 46rem;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.7;
}
::selection { background: var(--accent-soft); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.2em; }
.muted { color: var(--muted); }
code, pre, kbd { font-family: var(--font-mono); }

/* ---------- header / footer ---------- */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 1.75rem 0 2.5rem;
}
.prompt { color: var(--fg); font-weight: 700; }
.prompt:hover { text-decoration: none; }
.prompt-sign { color: var(--accent); }
.prompt-path { color: var(--fg); }
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: 0.15em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1.2s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }
.site-nav { display: flex; align-items: center; gap: 0.9rem; }
.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--accent); }
#theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font: inherit;
  line-height: 1;
  padding: 0.25rem 0.45rem;
  cursor: pointer;
}
#theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.site-footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
}

/* ---------- index ---------- */
.lead { margin: 0 0 2.25rem; }
.post-list { list-style: none; margin: 0; padding: 0; }
.post-list-item {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px dashed var(--border);
}
.post-list-item time { color: var(--muted); font-size: 0.8125rem; line-height: 2; }
.post-title { color: var(--fg); font-weight: 700; }
.post-title:hover { color: var(--accent); }
.summary { margin: 0.15rem 0 0; font-size: 0.8125rem; }
.tags { display: inline-flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.15rem; }
.tag { color: var(--muted); font-size: 0.8125rem; }
.meta .tag { margin-right: 0.45rem; }
.tag:hover { color: var(--accent); text-decoration: none; }
@media (max-width: 34rem) {
  .post-list-item { grid-template-columns: 1fr; gap: 0.1rem; }
}

/* ---------- post ---------- */
.post-header h1 { margin: 0 0 0.35rem; font-size: 1.45rem; line-height: 1.35; }
.post-header h1::before { content: "# "; color: var(--accent); }
.post-header .meta { margin: 0 0 2.25rem; font-size: 0.8125rem; }
.draft-badge {
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 4px;
  padding: 0 0.35rem;
  font-size: 0.75rem;
}

/* ---------- prose ---------- */
.prose h1, .prose h2, .prose h3, .prose h4 {
  margin: 2.2rem 0 0.8rem;
  line-height: 1.4;
  font-size: 1.1rem;
}
.prose h2 { font-size: 1.2rem; }
.prose h2::before { content: "## "; color: var(--accent); }
.prose h3::before { content: "### "; color: var(--accent); }
.prose h4::before { content: "#### "; color: var(--accent); }
.header-anchor {
  margin-left: 0.4rem;
  color: var(--border);
  opacity: 0;
  transition: opacity 120ms;
}
.prose h1:hover .header-anchor, .prose h2:hover .header-anchor,
.prose h3:hover .header-anchor, .prose h4:hover .header-anchor { opacity: 1; }
.prose p { margin: 0 0 1.1rem; }
.prose a { text-decoration: underline; text-underline-offset: 0.2em; }
.prose ul, .prose ol { margin: 0 0 1.1rem; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.25rem; }
.prose li::marker { color: var(--accent); }
.prose blockquote {
  margin: 0 0 1.1rem;
  padding: 0.1rem 0 0.1rem 1rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
}
.prose hr { border: 0; border-top: 1px dashed var(--border); margin: 2rem 0; }
.prose img { max-width: 100%; height: auto; border-radius: 6px; }
.prose table {
  border-collapse: collapse;
  margin: 0 0 1.1rem;
  font-size: 0.875rem;
  display: block;
  overflow-x: auto;
}
.prose th, .prose td { border: 1px solid var(--border); padding: 0.35rem 0.7rem; text-align: left; }
.prose th { background: var(--bg-raised); }

/* inline code */
.prose code {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.05rem 0.3rem;
  font-size: 0.875em;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; }

/* code blocks */
.highlight {
  position: relative;
  margin: 0 0 1.1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-raised) !important;
}
.highlight pre {
  margin: 0;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.6;
}
.highlight[data-lang]::after {
  content: attr(data-lang);
  position: absolute;
  top: 0.4rem;
  right: 0.6rem;
  color: var(--muted);
  font-size: 0.6875rem;
  text-transform: lowercase;
  user-select: none;
}

/* math */
.math.block { display: block; margin: 0 0 1.1rem; overflow-x: auto; text-align: center; }
.katex { font-size: 1.05em; }

/* charts */
.chart-block {
  margin: 0 0 1.1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-raised);
}
.chart-block canvas { max-width: 100%; }
.chart-error { color: #c0392b; }

/* interactive bet simulator */
.betsim {
  margin: 0 0 1.1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-raised);
}
.betsim-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.2rem;
}
.betsim-controls label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}
.betsim-toggle { font-weight: 500; }
.betsim-toggle input { width: auto; }
.betsim-controls input {
  width: 6rem;
  padding: 0.3rem 0.5rem;
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.betsim-hint { flex-basis: 100%; margin: 0.4rem 0 0; font-size: 0.8125rem; }
.betsim-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 0.6rem;
  margin: 1rem 0;
}
.betsim-stat {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.betsim-stat dt { font-size: 0.75rem; color: var(--muted); margin: 0; }
.betsim-stat dd { margin: 0.15rem 0 0; font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.betsim-stat .pos { color: var(--accent); }
.betsim-stat .neg { color: #d95252; }
.betsim-chart canvas { max-width: 100%; }

/* footnotes */
.footnotes-sep { border: 0; border-top: 1px dashed var(--border); margin: 2.5rem 0 1rem; }
.footnotes { font-size: 0.8125rem; color: var(--muted); }
.footnotes p { margin: 0 0 0.4rem; }
.footnote-ref a { text-decoration: none; }
.footnote-backref { text-decoration: none; }