/* gsg — monospace-first UI. Every value on these pages is an identifier,
   hash, path or count, so the interface type is the same face as the code;
   the sans face appears only inside rendered README prose. Palette is a cool
   slate ramp with one indigo accent and a six-colour lane ramp that the
   commit graph and its branch chips share. */

:root {
  --bg:        #FAFAFC;
  --surface:   #FFFFFF;
  --line:      #E3E5EE;
  --line-soft: #EDEEF5;
  --fg:        #14161D;
  --fg-soft:   #4A5063;
  --dim:       #858BA0;
  --accent:    #5B4BE0;
  --accent-bg: #EEEBFE;
  --add:       #1E874B;
  --add-bg:    #E9F6EE;
  --del:       #C4314B;
  --del-bg:    #FCECEF;

  --lane-0: #5B4BE0;
  --lane-1: #109C8D;
  --lane-2: #C97A0E;
  --lane-3: #D2447A;
  --lane-4: #2A7CD6;
  --lane-5: #6C9B1E;

  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Cascadia Mono",
          Menlo, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --r: 6px;
  --pad: clamp(1rem, 4vw, 2rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0E1016;
    --surface:   #151823;
    --line:      #242838;
    --line-soft: #1C2030;
    --fg:        #E4E7F0;
    --fg-soft:   #A8AEC2;
    --dim:       #6E7590;
    --accent:    #9C8BFF;
    --accent-bg: #211D3D;
    --add:       #4BC585;
    --add-bg:    #12251A;
    --del:       #FF7A90;
    --del-bg:    #2A1419;

    --lane-0: #9C8BFF;
    --lane-1: #34C6B4;
    --lane-2: #E5A544;
    --lane-3: #F2678E;
    --lane-4: #58A6F0;
    --lane-5: #9BD45F;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  font-variant-ligatures: none;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 74rem; margin: 0 auto; padding-inline: var(--pad); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

/* ---------------------------------------------------------------- topbar */

.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar {
  display: flex; align-items: center; gap: .65rem;
  height: 3.1rem; flex-wrap: wrap;
}
.brand { color: var(--fg); font-weight: 600; letter-spacing: -.01em; }
.brand:hover { color: var(--accent); text-decoration: none; }
.slash { color: var(--dim); }
.repo { color: var(--fg); font-weight: 600; }

.tabs { display: flex; gap: .15rem; margin-left: .6rem; }
.tabs a {
  color: var(--fg-soft); padding: .2rem .55rem; border-radius: var(--r);
  font-size: .8125rem; letter-spacing: .02em;
}
.tabs a:hover { background: var(--line-soft); color: var(--fg); text-decoration: none; }

.refpick { margin-left: auto; }
.refpick select {
  font: inherit; font-size: .8125rem;
  color: var(--fg-soft); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
  padding: .2rem 1.4rem .2rem .5rem; cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--dim) 50%),
                    linear-gradient(135deg, var(--dim) 50%, transparent 50%);
  background-position: right .62rem center, right .42rem center;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
}
.refpick select:hover { border-color: var(--accent); color: var(--fg); }

/* ------------------------------------------------------------- page head */

main.wrap { padding-block: 2.25rem 5rem; }

.page-head { margin-bottom: 1.6rem; }
.page-head h1 {
  margin: 0; font-size: 1.375rem; font-weight: 600; letter-spacing: -.02em;
  line-height: 1.3;
}
.page-head h1.subject { font-weight: 500; }
.sub { margin: .3rem 0 0; color: var(--dim); font-size: .8125rem; }
.sub code { color: var(--fg-soft); }
.dots { color: var(--dim); padding: 0 .3rem; }

h2 {
  margin: 2.5rem 0 .7rem;
  font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--dim);
  display: flex; align-items: baseline; gap: .75rem;
}
h2 .more { font-size: .6875rem; letter-spacing: .06em; margin-left: auto; }
section:first-of-type h2 { margin-top: 1.75rem; }

.crumbs { display: flex; flex-wrap: wrap; gap: .3rem; align-items: baseline;
  font-size: 1.0625rem; font-weight: 500; }
.crumbs .here { color: var(--fg); }

/* ------------------------------------------------------------------ facts */

.facts {
  display: grid; grid-template-columns: max-content 1fr;
  gap: .1rem 1.5rem; margin: 0;
  padding: .85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
}
.facts dt { color: var(--dim); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.facts dd { margin: 0; color: var(--fg-soft); }
.facts dd code { color: var(--fg); }
.full-sha { word-break: break-all; }
.clone { user-select: all; }

/* ----------------------------------------------------------- latest commit */

.latest {
  display: grid;
  grid-template-columns: max-content 1fr max-content;
  align-items: baseline; gap: .85rem;
  margin-top: .9rem; padding: .6rem .85rem;
  background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
  color: var(--fg);
}
.latest:hover { border-color: var(--accent); text-decoration: none; }
.latest-sha { color: var(--accent); font-size: .8125rem; }
.latest-subject { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.latest-meta { color: var(--dim); font-size: .75rem; white-space: nowrap; }

.readme { margin-top: 1.75rem; }

/* ---------------------------------------------------------------- tables */

.listing {
  width: 100%; border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden;
}
.listing td {
  padding: .42rem .75rem;
  border-top: 1px solid var(--line-soft);
  vertical-align: baseline;
}
.listing tr:first-child td { border-top: 0; }
.listing tr:hover td { background: var(--line-soft); }
.listing .name { width: 100%; }
.listing .name a { color: var(--fg); }
.listing .name a:hover { color: var(--accent); }
.listing .desc, .listing .who { color: var(--dim); white-space: nowrap; }
.listing .when, .listing .num, .listing .churn, .listing .act {
  color: var(--dim); white-space: nowrap; text-align: right; font-size: .8125rem;
}
.listing .sha a { color: var(--accent); }
.listing .icon { padding-right: 0; width: 1.4rem; }
.glyph { color: var(--dim); font-size: .75rem; }
.glyph.dir { color: var(--accent); }
.muted { color: var(--dim); }
.empty { color: var(--dim); text-align: center; padding: 1.6rem !important; }

.ghost {
  color: var(--dim); font-size: .75rem;
  border: 1px solid var(--line); border-radius: 4px;
  padding: .05rem .38rem;
}
.ghost:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }

.churn .add { color: var(--add); }
.churn .del { color: var(--del); margin-left: .5rem; }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; margin: 0; padding: 0; }
.chip {
  font-size: .75rem; padding: .1rem .45rem;
  border: 1px solid var(--line); border-radius: 4px;
  color: var(--fg-soft); background: var(--surface);
}
.chip b { color: var(--dim); font-weight: 400; }
.chip-branch { color: var(--accent); background: var(--accent-bg); border-color: transparent; margin-right: .35rem; }
.chip-tag { color: var(--lane-2); border-color: currentColor; margin-right: .35rem; }

/* ----------------------------------------------------------------- graph */
/* The signature: lane geometry comes from the module, colour from here. */

table.graph { width: 100%; border-collapse: collapse; }
table.graph td { padding: 0 .75rem; height: 30px; white-space: nowrap; vertical-align: middle; }
table.graph tr:hover { background: var(--line-soft); }
table.graph .rail { padding: 0; width: 1px; }
.rail-svg { display: block; }
table.graph .msg { width: 100%; white-space: normal; }
table.graph .msg a { color: var(--fg); }
table.graph .msg a:hover { color: var(--accent); }
table.graph .who, table.graph .when { color: var(--dim); font-size: .8125rem; text-align: right; }

/* ------------------------------------------------------------ source/diff */

.source, .patch {
  margin-top: 1rem;
  background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
  overflow-x: auto;
}
.source table { border-collapse: collapse; width: 100%; }
.source td { padding: 0; vertical-align: top; }
.source .ln {
  width: 1%; padding: 0 .9rem 0 .8rem; text-align: right;
  color: var(--dim); user-select: none;
  position: sticky; left: 0; background: var(--surface);
  border-right: 1px solid var(--line-soft);
}
.source .ln a { color: inherit; }
.source .lc { padding-left: .9rem; white-space: pre; font-size: .8125rem; line-height: 1.55; }
.source tr:target .lc, .source tr:target .ln { background: var(--accent-bg); }

/* Diffs mark the gutter rather than flooding the row: the signal stays
   readable when a hunk is mostly additions. */
.patch { font-size: .8125rem; line-height: 1.55; }
.pl { white-space: pre; padding: 0 .9rem 0 .65rem; border-left: 3px solid transparent; }
.pl.meta { color: var(--dim); }
.pl.hunk { color: var(--accent); background: var(--accent-bg); border-left-color: var(--accent); }
.pl.add  { color: var(--add); background: var(--add-bg); border-left-color: var(--add); }
.pl.del  { color: var(--del); background: var(--del-bg); border-left-color: var(--del); }

.message {
  margin: 1rem 0 0; padding: .85rem 1rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  white-space: pre-wrap; color: var(--fg-soft); font-size: .8125rem;
}
.notice {
  padding: .6rem .85rem; border-radius: var(--r);
  background: var(--accent-bg); color: var(--fg-soft); font-size: .8125rem;
}

/* ----------------------------------------------------------------- prose */
/* The only place the sans face appears. */

.prose-wrap { margin-top: 2.5rem; }
.prose {
  font-family: var(--sans); font-size: .9375rem; line-height: 1.7;
  color: var(--fg-soft);
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
}
.prose h1, .prose h2, .prose h3 {
  font-family: var(--sans); color: var(--fg);
  text-transform: none; letter-spacing: -.01em; display: block;
}
.prose h1 { font-size: 1.25rem; margin: 1.5rem 0 .5rem; }
.prose h2 { font-size: 1.0625rem; margin: 1.5rem 0 .5rem; }
.prose :first-child { margin-top: 0; }
.prose h3 { font-size: .9375rem; margin: 1.25rem 0 .4rem; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose table { margin: 0 0 1rem; }
.prose ul, .prose ol { padding-left: 1.35rem; }
.prose li { margin-bottom: .2rem; }
.prose img { max-width: 100%; height: auto; border-radius: 4px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 1.75rem 0; }
.prose blockquote {
  padding: .1rem 0 .1rem 1rem; border-left: 2px solid var(--line);
  color: var(--dim);
}
.prose table { border-collapse: collapse; font-size: .875rem; }
.prose th, .prose td { padding: .35rem .8rem; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--bg); font-weight: 600; color: var(--fg); }
.prose code, .prose pre { font-family: var(--mono); font-size: .8125rem; }
.prose :not(pre) > code {
  padding: .1rem .3rem; background: var(--bg);
  border: 1px solid var(--line-soft); border-radius: 3px;
}
.prose pre { padding: .8rem; background: var(--bg); border: 1px solid var(--line-soft);
  border-radius: 4px; overflow-x: auto; line-height: 1.5; }
.prose pre code { padding: 0; background: none; border: 0; }

/* ---------------------------------------------------------------- footer */

footer {
  padding-block: 1.25rem; margin-top: 3rem;
  border-top: 1px solid var(--line);
  color: var(--dim); font-size: .75rem;
  display: flex; gap: .5rem;
}
footer .sep { color: var(--line); }

/* ----------------------------------------------------------- small screens */

@media (max-width: 46rem) {
  .listing .who, .listing .desc, table.graph .who { display: none; }
  .latest { grid-template-columns: max-content 1fr; }
  .latest-meta { grid-column: 1 / -1; }
  .bar { height: auto; padding-block: .6rem; }
  .refpick { margin-left: 0; width: 100%; }
  .refpick select { width: 100%; }
}

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