/* Same design tokens as ekmanoj.info, tuned for long-form reading. */
:root {
  color-scheme: light;
  --paper: #fbfcfc;
  --ink: #17212b;
  --muted: #5c6b77;
  --line: #dde3e7;
  --accent: #154e63;
  --tint-1: #e6eef1;
  --code-bg: #f0f3f5;
  --font: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3rem;
  --step-2: 1.75rem;
  --step-3: clamp(2rem, 3.5vw + 1rem, 2.9rem);
  --measure: 66ch;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #121a20;
  --ink: #e3e9ed;
  --muted: #93a2ad;
  --line: #26333c;
  --accent: #7cc3d6;
  --tint-1: #1c2a32;
  --code-bg: #1a252c;
}

*, *::before, *::after { box-sizing: border-box; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s, color .2s;
}
body > * { max-width: 52rem; margin-left: auto; margin-right: auto; padding-left: 1.5rem; padding-right: 1.5rem; }

p { text-wrap: pretty; }

a { color: var(--accent); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.skip { position: absolute; left: -999px; top: 0; padding: .5rem 1rem; background: var(--ink); color: var(--paper); }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; }

/* ---------- Header ---------- */
.masthead { display: flex; align-items: center; gap: 1.5rem; padding-top: 2rem; padding-bottom: 2rem; flex-wrap: wrap; }
.wordmark { font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; margin-right: auto; }
.masthead nav { display: flex; gap: 1.25rem; font-size: var(--step--1); }
.masthead nav a { color: var(--muted); text-decoration: none; }
.masthead nav a:hover, .masthead nav a[aria-current="page"] { color: var(--ink); }
.masthead nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }

.theme-toggle {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .3rem .7rem .3rem .5rem;
  font: inherit; font-size: var(--step--1); color: var(--muted);
  background: transparent; border: 1px solid var(--line); border-radius: 999px; cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--muted); }
.theme-toggle svg { width: 1rem; height: 1rem; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---------- Index ---------- */
.intro { padding-top: 2.5rem; padding-bottom: 1rem; }
.intro h1 { margin: 0; font-size: var(--step-3); line-height: 1.08; letter-spacing: -0.03em; }
.intro p { color: var(--muted); margin: 1rem 0 0; }
.year { padding-top: 2.5rem; }
.year h2 { margin: 0 0 .75rem; font-size: var(--step--1); color: var(--muted); font-weight: 500; font-variant-numeric: tabular-nums; }
.post-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.post-list li { display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.25rem; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.post-list time { color: var(--muted); font-size: var(--step--1); padding-top: .2rem; font-variant-numeric: tabular-nums; }
.post-list a { font-weight: 500; font-size: var(--step-1); line-height: 1.35; color: var(--ink); text-decoration: none; }
.post-list a:hover { color: var(--accent); text-decoration: underline; }
.post-list p { margin: .25rem 0 0; color: var(--muted); font-size: var(--step--1); }
.empty { color: var(--muted); padding-top: 2rem; }

/* ---------- Post ---------- */
.post { padding-top: 2.5rem; }
.post-head h1 { margin: 0; font-size: var(--step-3); line-height: 1.08; letter-spacing: -0.03em; }
.post-meta { margin: 1rem 0 2.5rem; color: var(--muted); font-size: var(--step--1); display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.post-tags { display: inline-flex; gap: .5rem; }
.post-tags a { color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 0 .55rem; text-decoration: none; }
.post-tags a:hover { color: var(--accent); border-color: var(--accent); }

.prose { max-width: 100%; }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-size: var(--step-2); line-height: 1.2; letter-spacing: -0.02em; margin: 2.75rem 0 .75rem; }
.prose h3 { font-size: var(--step-1); line-height: 1.3; margin: 2rem 0 .5rem; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.35rem; }
.prose p { line-height: 1.8; text-wrap: pretty; letter-spacing: -0.003em; }
.prose li { line-height: 1.75; text-wrap: pretty; }
.prose li + li { margin-top: .3rem; }
.prose blockquote { margin: 1.75rem 0; padding: .25rem 0 .25rem 1.25rem; border-left: 2px solid var(--accent); color: var(--muted); }
.prose img { max-width: 100%; height: auto; border-radius: 6px; border: 1px solid var(--line); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }
.prose table { border-collapse: collapse; width: 100%; font-size: var(--step--1); margin: 0 0 1.5rem; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: .5rem .75rem; border-bottom: 1px solid var(--line); }
.prose code { font-family: var(--mono); font-size: .88em; background: var(--code-bg); padding: .1em .35em; border-radius: 4px; }
.prose pre, .prose .highlight { background: var(--code-bg); border-radius: 6px; overflow-x: auto; }
.prose pre { margin: 0 0 1.5rem; padding: 1rem 1.15rem; line-height: 1.55; font-size: .875rem; }
.prose .highlight pre { margin: 0; background: none; }
.prose div.highlight { margin: 0 0 1.5rem; }
.prose pre code { background: none; padding: 0; font-size: inherit; }

/* Syntax colours (Rouge), restrained, two palettes */
.highlight .c, .highlight .c1, .highlight .cm, .highlight .cs { color: var(--muted); font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kr, .highlight .kc, .highlight .nt { color: #154e63; font-weight: 500; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb, .highlight .si { color: #7a4b00; }
.highlight .m, .highlight .mi, .highlight .mf { color: #8a2c5c; }
.highlight .nf, .highlight .nx, .highlight .na { color: #2a5d9f; }
:root[data-theme="dark"] .highlight .k, :root[data-theme="dark"] .highlight .kd, :root[data-theme="dark"] .highlight .kn,
:root[data-theme="dark"] .highlight .kr, :root[data-theme="dark"] .highlight .kc, :root[data-theme="dark"] .highlight .nt { color: #7cc3d6; }
:root[data-theme="dark"] .highlight .s, :root[data-theme="dark"] .highlight .s1, :root[data-theme="dark"] .highlight .s2,
:root[data-theme="dark"] .highlight .sb, :root[data-theme="dark"] .highlight .si { color: #e0b46c; }
:root[data-theme="dark"] .highlight .m, :root[data-theme="dark"] .highlight .mi, :root[data-theme="dark"] .highlight .mf { color: #e39ac0; }
:root[data-theme="dark"] .highlight .nf, :root[data-theme="dark"] .highlight .nx, :root[data-theme="dark"] .highlight .na { color: #9ec1f0; }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.post-nav a { text-decoration: none; color: var(--ink); font-weight: 500; line-height: 1.4; }
.post-nav a:hover { color: var(--accent); }
.post-nav span { display: block; color: var(--muted); font-size: var(--step--1); font-weight: 400; }
.post-nav .next { text-align: right; grid-column: 2; }

.foot { margin-top: 4rem; padding-top: 1.5rem; padding-bottom: 3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: var(--step--1); }
.foot p { margin: 0; }

@media (max-width: 34rem) {
  .masthead { gap: .75rem 1.25rem; }
  .wordmark { width: 100%; }
  .post-list li { grid-template-columns: 1fr; gap: .1rem; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav .next { grid-column: 1; text-align: left; }
}