:root {
  --bg: #fafaf9;
  --panel: #ffffff;
  --ink: #16181a;
  --ink-soft: #454b50;
  --ink-faint: #6b7176;
  --rule: #dde1e3;
  --accent: #1f5c4a;
  --accent-soft: #eaf2ee;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101312;
    --panel: #171b19;
    --ink: #e7eae8;
    --ink-soft: #aeb6b1;
    --ink-faint: #838b86;
    --rule: #262b28;
    --accent: #6fbfa0;
    --accent-soft: #182420;
  }
}
:root[data-theme="dark"] {
  --bg: #101312;
  --panel: #171b19;
  --ink: #e7eae8;
  --ink-soft: #aeb6b1;
  --ink-faint: #838b86;
  --rule: #262b28;
  --accent: #6fbfa0;
  --accent-soft: #182420;
}

* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 42rem; margin: 0 auto; padding: 0 1.5rem 6rem; }

nav.site {
  max-width: 42rem; margin: 0 auto; padding: 1.3rem 1.5rem 0;
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--mono); font-size: 0.85rem;
}
nav.site a { color: var(--ink-soft); text-decoration: none; }
nav.site a.brand { color: var(--ink); font-weight: 600; }
nav.site a:hover { color: var(--accent); }

header.page { padding: 3rem 0 2.5rem; border-bottom: 1px solid var(--rule); }
h1 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 5.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  font-weight: 600;
}
.standfirst { font-size: 1.1rem; color: var(--ink-soft); margin: 0; max-width: 36rem; }
.byline { margin-top: 1.3rem; font-size: 0.9rem; color: var(--ink-faint); }
.byline a { color: var(--ink-faint); }

h2 {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 3rem 0 1rem;
}
h3 { font-size: 1.02rem; margin: 1.8rem 0 0.4rem; font-weight: 640; }
p { margin: 0 0 1.1rem; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.lede { font-size: 1.05rem; }
.quiet { color: var(--ink-faint); font-size: 0.92rem; }

.panel {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.5rem 1.6rem;
  margin: 1.6rem 0;
}
.panel h3:first-child { margin-top: 0; }
.panel.warn { border-color: var(--accent); background: var(--accent-soft); }

ul { padding-left: 1.15rem; margin: 0 0 1.1rem; }
li { margin-bottom: 0.5rem; }

.rule { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0 0; }

.source-list { font-size: 0.9rem; color: var(--ink-soft); }
.source-list a { word-break: break-word; }

.updated { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-faint); }

.topics { list-style: none; padding: 0; margin: 0; }
.topics li { margin: 0; border-top: 1px solid var(--rule); }
.topics li:last-child { border-bottom: 1px solid var(--rule); }
.topics a {
  display: block; padding: 1.1rem 0; text-decoration: none; color: var(--ink);
}
.topics a:hover .t-title { color: var(--accent); }
.t-title { font-weight: 600; display: block; }
.t-desc { color: var(--ink-faint); font-size: 0.92rem; margin-top: 0.2rem; }
.t-soon { color: var(--ink-faint); font-family: var(--mono); font-size: 0.75rem; }

footer {
  margin-top: 4rem; padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-faint); font-size: 0.85rem;
}
footer a { color: var(--ink-faint); }