/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright (c) 2023 João Oliveira Santos */
/* Substantially adapted from make-it-stop for Pi Sych. */
:root {
  color-scheme: light dark;
  --page: #f3f6fb;
  --ink: #172033;
  --muted: #536176;
  --surface: #ffffff;
  --surface-alt: #eaf1fb;
  --accent: #145da0;
  --accent-strong: #0d416f;
  --border: #c8d5e5;
  --code: #172033;
  --code-ink: #f8fafc;
  --focus: #e09b00;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #101722;
    --ink: #e8eef7;
    --muted: #b4c0d0;
    --surface: #182331;
    --surface-alt: #213247;
    --accent: #8fc9ff;
    --accent-strong: #b9dcff;
    --border: #40536b;
    --code: #0b111a;
    --code-ink: #e8eef7;
    --focus: #ffd166;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 1.05rem/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.site-header, main, footer { width: min(78rem, calc(100% - 2.5rem)); margin: auto; }
.site-header { padding: 1.5rem 0 1rem; }
.header-inner { display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.site-name { color: var(--ink); font-size: 1.8rem; font-weight: 800; letter-spacing: -.03em; text-decoration: none; }
.site-tagline { margin: .15rem 0 0; color: var(--muted); font-size: .86rem; }
nav ul { display: flex; flex-wrap: wrap; justify-content: end; gap: .35rem; margin: 0; padding: 0; list-style: none; }
nav a { display: block; padding: .45rem .75rem; color: var(--accent); border: 1px solid transparent; border-radius: .5rem; font-weight: 650; text-decoration: none; }
nav a:hover { background: var(--surface); border-color: var(--border); color: var(--accent-strong); }
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
main { min-height: 60vh; padding: clamp(1.4rem, 4vw, 3.5rem); background: var(--surface); border: 1px solid var(--border); border-radius: 1rem; box-shadow: 0 1rem 3rem rgb(23 32 51 / .08); }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.02em; }
h1 { max-width: 18ch; font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { margin-top: 2.4rem; color: var(--accent-strong); }
h3 { margin-top: 1.8rem; }
blockquote { margin: 1.5rem 0; padding: 1rem 1.25rem; background: var(--surface-alt); border-left: .3rem solid var(--accent); }
img { max-width: 100%; height: auto; border-radius: .5rem; }
pre { overflow-x: auto; padding: 1.1rem 1.25rem; background: var(--code); color: var(--code-ink); border-radius: .6rem; }
code { overflow-wrap: anywhere; }
table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
th, td { padding: .55rem .7rem; border: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: var(--surface-alt); }
hr { border: 0; border-top: 1px solid var(--border); }
footer { padding: 1.25rem 0 2.5rem; color: var(--muted); font-size: .9rem; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 2; padding: .6rem .8rem; background: var(--surface); border: 2px solid var(--focus); border-radius: .4rem; }
@media (max-width: 52rem) {
  .header-inner { align-items: start; flex-direction: column; gap: 1rem; }
  nav ul { justify-content: start; }
}
@media (max-width: 38rem) {
  .site-header, main, footer { width: min(100% - 1rem, 78rem); }
  main { padding: 1.1rem; border-radius: .65rem; }
  body { font-size: 1rem; }
}