/* Plain mode. The base document, not a fallback.
   Readable without JavaScript, on any browser, at any width. */

:root {
  --bg: #10131a;
  --fg: #e8e9ed;
  --muted: #9aa0ad;
  --line: #262b36;
  --accent: #7fb2ff;
  --measure: 68ch;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbfbfc;
    --fg: #181a20;
    --muted: #5b626f;
    --line: #e2e5ea;
    --accent: #1f5fd0;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0 1.25rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  padding: 0.5rem 0.75rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 4px;
}

.site-header,
main,
.site-footer {
  max-width: var(--measure);
  margin: 0 auto;
}

.site-header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--line);
}

.site-header h1 {
  margin: 0;
  font-size: 1.75rem;
  letter-spacing: -0.01em;
}

.tagline {
  margin: 0.35rem 0 1.25rem;
  color: var(--muted);
}

.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}

.mode-toggle {
  margin: 0.25rem 0 0;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}

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

.mode-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.category {
  padding: 2.5rem 0 0;
}

.category-title {
  margin: 0;
  font-size: 1.25rem;
}

.category-description {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.items,
.item-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.item-control {
  margin: 0.9rem 0 0;
}

.item-control .setting {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}

.item-control .setting:hover {
  border-color: var(--accent);
}

.item-control .setting:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.item-title {
  margin: 0;
  font-size: 1.05rem;
}

.item-meta {
  margin: 0.15rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.85rem;
  hyphens: none;
}

.item-meta .item-meta-seg {
  white-space: nowrap;
}

.item-body > :first-child {
  margin-top: 0;
}

.item-body > :last-child {
  margin-bottom: 0;
}

.item-body p {
  margin: 0 0 0.9rem;
}

.item-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.9rem;
  font-size: 0.9rem;
}

.items-empty {
  color: var(--muted);
  font-style: italic;
}

a {
  color: var(--accent);
  text-underline-offset: 2px;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

code {
  padding: 0.1em 0.35em;
  border-radius: 3px;
  background: var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
}

pre {
  overflow-x: auto;
  padding: 0.9rem 1rem;
  border-radius: 6px;
  background: var(--line);
}

pre code {
  padding: 0;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
}

.site-footer {
  padding-top: 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}