:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
  line-height: 1.5;
  --background: #fff;
  --surface: #f5f5f4;
  --text: #242424;
  --muted: #555c65;
  --border: #b7b9bd;
  --accent: #454b55;
  --code-keyword: #0000af;
  --code-string: #466523;
  --code-number: #075d52;
  --code-function: #795200;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--background); color: var(--text); }
main { width: 100%; }
.site-header { display: flex; align-items: center; gap: 2rem; padding: .75rem 1.25rem; background: var(--background); border-bottom: 1px solid var(--border); }
.brand { font-size: 1.25rem; font-weight: 650; letter-spacing: -.04em; margin: 0; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.site-header nav a { color: var(--muted); font-size: .9rem; text-decoration: none; padding: .35rem 0; border-bottom: 2px solid transparent; }
.site-header nav a:hover { color: var(--text); }
.site-header nav a[aria-current="page"] { color: var(--text); border-bottom-color: currentColor; }
.language-switch { margin-left: auto; display: flex; gap: .25rem; }
.language-switch button { min-width: 2.75rem; }
.language-switch button[aria-pressed="true"] { font-weight: 700; border-color: var(--text); text-decoration: underline; text-underline-offset: .2em; }
.note { font-size: .85rem; color: var(--muted); }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; padding: .7rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.toolbar label { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; font-size: .9rem; }
button, input, select { font: inherit; min-height: 2.3rem; max-width: 100%; border: 1px solid var(--border); border-radius: 5px; padding: .35rem .65rem; background: var(--background); color: inherit; }
#selector { width: 10rem; }
button { cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); }
button[type="submit"] { color: #fff; background: var(--accent); border-color: var(--accent); font-weight: 600; }
button:disabled { cursor: default; opacity: .6; }
:focus-visible { outline: 3px solid #b65a00; outline-offset: 2px; }
.skip-link { position: absolute; top: -5rem; left: 1rem; padding: .5rem; background: var(--background); z-index: 10; }
.skip-link:focus { top: .5rem; }
#selector-help { margin: 0; padding: .45rem 1rem; border-bottom: 1px solid var(--border); }
.panes { display: grid; grid-template-columns: minmax(0, var(--code-share, 3fr)) 12px minmax(0, var(--results-share, 2fr)); grid-template-rows: var(--panel-height, 520px); }
section { min-width: 0; }
h2 { font-size: .9rem; font-weight: 600; margin: 0; padding: .65rem 1rem; border-bottom: 1px solid var(--border); }
h2 span { float: right; font-weight: 400; color: var(--muted); }
#code-panel { display: flex; flex-direction: column; min-height: 0; }
#source { flex: 1; min-height: 0; }
#source-title, #editor-help { flex-shrink: 0; }
.results-pane { display: grid; grid-template-rows: auto minmax(0, 1fr); min-height: 0; border-left: 1px solid var(--border); }
#source .cm-editor { height: 100%; font-size: .9rem; }
#source .cm-scroller { overflow: auto; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; line-height: 1.6; }
#source .cm-content { padding: .7rem 0; }
#source .cm-gutters { background: var(--surface); color: var(--muted); border: 0; }
#source .cm-activeLine, #source .cm-activeLineGutter { background: #454b550a; }
#source .cm-cursor { border-left-color: var(--text); }
#source .cm-editor.cm-focused { outline: 2px solid var(--accent); outline-offset: -2px; }
#source .cm-panels, #source .cm-tooltip { background: var(--surface); color: var(--text); }
#editor-help { padding: .4rem 1rem; margin: 0; border-top: 1px solid var(--border); }
#results-scroll { min-height: 0; overflow-y: scroll; scrollbar-gutter: stable; }
#results-scroll::-webkit-scrollbar { width: 10px; }
#results-scroll::-webkit-scrollbar-track { background: var(--surface); }
#results-scroll::-webkit-scrollbar-thumb { background: var(--muted); border: 2px solid var(--surface); border-radius: 5px; }
#status { margin: 0; padding: 1rem; }
#results { padding: 0 1rem; }
.result-card { border: 1px solid var(--border); padding: .8rem; margin-bottom: .8rem; overflow-wrap: anywhere; }
.result-card h3 { font-size: 1rem; margin: 0 0 .5rem; }
.result-card p { margin: .4rem 0; }
ul { padding-left: 1.3rem; }
details { margin-top: .7rem; }
#report-details { margin: 0 1rem 1rem; }
summary { cursor: pointer; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font-size: .85rem; }
a { color: var(--accent); }
@media (max-width: 800px) {
  .panes { grid-template-columns: 1fr; grid-template-rows: var(--panel-height, 400px) var(--panel-height, 400px); }
  .results-pane { border-left: 0; border-top: 1px solid var(--border); }
  .site-header { flex-wrap: wrap; }
  .site-header { gap: 1rem; }
  .site-header nav { gap: 1rem; order: 1; flex-basis: 100%; }
}
@media (prefers-color-scheme: dark) {
  :root { --background: #1e1e1e; --surface: #292b2e; --text: #e5e5e5; --muted: #b7bdc6; --border: #606770; --accent: #535b68; --code-keyword: #91bfff; --code-string: #acd28a; --code-number: #88d4c1; --code-function: #e3c17d; }
  a { color: #cad7ed; }
  :focus-visible { outline-color: #ffc27a; }
  #source .cm-activeLine, #source .cm-activeLineGutter { background: #ffffff0c; }
  #source .cm-selectionBackground, #source .cm-focused .cm-selectionBackground { background: #345078; }
}

.documentation { max-width: 70rem; padding: 2rem 1.25rem 4rem; margin: 0 auto; overflow-wrap: anywhere; }
.documentation h1 { font-size: 2rem; margin: 0 0 1.5rem; }
.documentation h2 { font-size: 1.25rem; padding: 0; margin: 2rem 0 .75rem; border: 0; }
.documentation h3 { font-size: 1.1rem; margin-top: 1.5rem; }
.documentation p, .documentation li { max-width: 78ch; }
.documentation pre { padding: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 5px; }
.documentation code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
/* Pandoc emits token spans; share the editor palette for both color schemes. */
.documentation .sourceCode .kw,
.documentation .sourceCode .cf,
.documentation .sourceCode .im { color: var(--code-keyword); }
.documentation .sourceCode .st,
.documentation .sourceCode .ch,
.documentation .sourceCode .vs,
.documentation .sourceCode .co { color: var(--code-string); }
.documentation .sourceCode .dv,
.documentation .sourceCode .bn,
.documentation .sourceCode .fl,
.documentation .sourceCode .cn { color: var(--code-number); }
.documentation .sourceCode .fu,
.documentation .sourceCode .dt,
.documentation .sourceCode .bu { color: var(--code-function); }
.documentation table { display: block; overflow-x: auto; border-collapse: collapse; margin: 1rem 0; }
.documentation th, .documentation td { padding: .6rem .75rem; text-align: left; vertical-align: top; border: 1px solid var(--border); }
.documentation th { background: var(--surface); }
.documentation :target { scroll-margin-top: 1rem; }

/* Outcome labels remain explicit in both color schemes and without color. */
.result-overview { background: var(--surface); border: 1px solid var(--border); padding: 1rem; margin-bottom: 1rem; }
.result-overview h3 { margin: 0 0 .8rem; font-size: 1.1rem; }
.result-overview p { color: var(--muted); font-size: .85rem; margin: .8rem 0 0; }
.result-counts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; margin: 0; }
.result-counts div { display: flex; flex-direction: column-reverse; }
.result-counts dt { font-size: .85rem; overflow-wrap: anywhere; }
.result-counts dd { font-size: 1.8rem; font-weight: 650; margin: 0; }
.result-card h3 { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .4rem; }
.result-badge { font-size: .8rem; font-weight: 600; border: 1px solid var(--border); border-radius: 4px; padding: .1rem .4rem; }
.result-card > p { font-size: .9rem; }
.result-card > p:nth-of-type(2) { color: var(--muted); }
.result-card > details { border-top: 1px solid var(--border); padding-top: .6rem; font-size: .85rem; }
.result-review, .result-failed { border-left: 4px solid var(--text); }

/* Separators preserve the original workspace styling and remain keyboard operable. */
.visually-hidden { position: absolute; top: 0; left: 0; margin: 0; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.resizer { touch-action: none; user-select: none; display: flex; align-items: center; justify-content: center; background: var(--surface); }
.resizer::before { content: ""; background: var(--border); }
.width-resizer { cursor: col-resize; }
.width-resizer::before { width: 2px; height: 36px; }
.resizer:hover::before, .resizer:focus-visible::before { background: var(--text); }
.resizer:focus-visible { outline-offset: -3px; }
.resizing { user-select: none; }
@media (max-width: 800px) { .width-resizer { display: none; } }