/* Project-note layout on Patina tokens */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 17px/1.55 var(--font-body);
  color: var(--ink);
  background: transparent;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
}

.site-mark {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-mark:hover {
  color: var(--accent-high);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 2.5rem;
  min-block-size: 2.5rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle .icon {
  inline-size: 1.1rem;
  block-size: 1.1rem;
  fill: none;
  stroke: currentcolor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-icon {
  display: none;
}

:root[data-theme-pref="auto"] .theme-icon-auto,
:root[data-theme-pref="light"] .theme-icon-light,
:root[data-theme-pref="dark"] .theme-icon-dark {
  display: block;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

h1 {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.lede {
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 36rem;
}

h2 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 2.25rem 0 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
}

p {
  margin: 0.75rem 0;
}

a {
  color: var(--accent-high);
}

figure {
  margin: 1rem 0 0;
  padding: 0.75rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
}

figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.25rem;
}

figure.schematic {
  overflow-x: auto;
}

figure.schematic img {
  width: auto;
  min-width: 100%;
  max-width: none;
  background: #fafaf8;
}

figcaption {
  margin-top: 0.55rem;
  font-size: 0.82rem;
  color: var(--muted);
  font-family: ui-monospace, "Cascadia Mono", monospace;
}

.gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 1rem 0 0;
}

@media (min-width: 640px) {
  .gallery {
    grid-template-columns: 1fr 1fr;
  }
}

.gallery figure {
  margin: 0;
}

main > figure.hero {
  margin-top: 0.25rem;
}

pre {
  margin: 0.75rem 0;
  padding: 0.9rem 1rem;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  overflow-x: auto;
  font: 13px/1.45 ui-monospace, "Cascadia Mono", monospace;
  color: var(--ink);
}

ol {
  padding-left: 1.2rem;
}

li {
  margin: 0.35rem 0;
}

.site-footer {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer a {
  color: var(--accent);
}