:root {
  --bg: #ffffff; --fg: #1f2328; --muted: #59636e; --border: #d1d9e0; --subtle: #f6f8fa;
  --link: #0969da; --accent: #1f883d; --accent-fg: #ffffff; --folder: #54aeff;
  --add-bg: #dafbe1; --del-bg: #ffebe9; --hunk-bg: #ddf4ff; --warn: #9a6700;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --fg: #e6edf3; --muted: #9198a1; --border: #3d444d; --subtle: #151b23;
    --link: #4493f8; --accent: #238636; --accent-fg: #ffffff; --folder: #54aeff;
    --add-bg: #12261e; --del-bg: #25171c; --hunk-bg: #121d2f; --warn: #d29922;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
main { max-width: 1280px; margin: 0 auto; padding: 16px 32px 64px; }
h1 { font-size: 20px; font-weight: 600; margin: 8px 0; }
h2 { font-size: 16px; font-weight: 600; margin: 16px 0 8px; }
.muted { color: var(--muted); }
.error { color: #d1242f; }
.spacer { flex: 1; }
.right { text-align: right; white-space: nowrap; }
.icon { width: 16px; height: 16px; fill: var(--muted); vertical-align: text-bottom; }
.icon.folder { fill: var(--folder); }
.topbar { display: flex; align-items: center; gap: 16px; padding: 12px 32px; background: var(--subtle);
  border-bottom: 1px solid var(--border); }
.topbar .brand { color: var(--fg); font-weight: 600; font-size: 16px; }
.topbar .brand .icon { fill: var(--accent); width: 20px; height: 20px; }
.badge { display: inline-block; padding: 0 7px; border: 1px solid var(--border); border-radius: 2em;
  font-size: 12px; font-weight: 500; color: var(--muted); vertical-align: middle; line-height: 18px; }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.button { display: inline-block; padding: 3px 12px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--subtle); color: var(--fg); font: inherit; font-weight: 500; cursor: pointer; }
.button.primary { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
.input { width: 100%; padding: 5px 12px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--fg); font: inherit; margin: 8px 0; }
.narrow { max-width: 420px; margin: 48px auto; }
.location { color: var(--muted); display: flex; align-items: center; gap: 4px; margin-top: 8px; }
.location a { color: var(--muted); }
.sep { color: var(--muted); margin: 0 2px; }
.repohead { border-bottom: 1px solid var(--border); margin: 0 -32px 16px; padding: 0 32px; }
.repohead h1 { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.repohead h1 a { font-weight: 600; }
.tabs { display: flex; gap: 8px; margin-top: 8px; }
.tabs a { color: var(--fg); padding: 8px 8px; border-bottom: 2px solid transparent; }
.tabs a.selected { border-bottom-color: #fd8c73; font-weight: 600; }
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.breadcrumb { font-weight: 600; }
.dropdown { position: relative; }
.dropdown summary { list-style: none; }
.dropdown summary::-webkit-details-marker { display: none; }
.dropdown .menu { position: absolute; z-index: 10; min-width: 200px; max-height: 360px; overflow: auto;
  margin-top: 4px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .15); }
.dropdown.right .menu { right: 0; }
.dropdown .menu.wide { min-width: 420px; padding: 8px; }
.dropdown .menu a { display: block; padding: 6px 12px; color: var(--fg); }
table { border-collapse: collapse; width: 100%; }
.files, .commits, .box { border: 1px solid var(--border); border-radius: 6px; }
.files { border-collapse: separate; border-spacing: 0; overflow: hidden; }
.files td, .commits td { padding: 8px 16px; border-top: 1px solid var(--border); }
.files tr:first-child td, .commits tr:first-child td { border-top: none; }
.files .name a { color: var(--fg); }
.files .latest td { background: var(--subtle); }
.listing { list-style: none; padding: 0; border: 1px solid var(--border); border-radius: 6px; }
.listing li { padding: 10px 16px; border-top: 1px solid var(--border); display: flex; gap: 12px; align-items: center; }
.listing li:first-child { border-top: none; }
.box { margin: 16px 0; overflow: hidden; }
.boxhead { display: flex; gap: 12px; align-items: center; padding: 8px 16px; background: var(--subtle);
  border-bottom: 1px solid var(--border); margin: 0; font-size: 14px; flex-wrap: wrap; }
.sha { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.code, .source, .body { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
pre.code { background: var(--subtle); padding: 8px 12px; border-radius: 6px; overflow-x: auto; margin: 0; }
.source td { padding: 0 12px; white-space: pre; line-height: 20px; }
.source .lineno { width: 1%; text-align: right; color: var(--muted); user-select: none; }
.source .lineno a { color: var(--muted); }
.source tr:target { background: #fff8c5; }
@media (prefers-color-scheme: dark) { .source tr:target { background: #2e2a1a; } }
.source .line { width: 99%; }
.diff .add { background: var(--add-bg); }
.diff .del { background: var(--del-bg); }
.diff .hunk { background: var(--hunk-bg); color: var(--muted); }
.diff .meta { color: var(--muted); }
.notice { padding: 16px; color: var(--muted); }
.pad { padding: 0 16px 8px; margin: 0; }
.secret { margin: 12px 16px 8px; user-select: all; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 12px 16px; }
.inline-form .input { width: auto; flex: 1 1 160px; margin: 0; }
.inline-form label { display: flex; gap: 4px; align-items: center; }
.button.wide { display: block; text-align: center; padding: 8px; }
details.box > summary { cursor: pointer; list-style: none; }
details.box:not([open]) > summary { border-bottom: none; }
.commitmsg { padding: 8px 16px; }
.commitmsg pre { white-space: pre-wrap; margin: 0 0 8px; }
.pager { display: flex; gap: 8px; justify-content: center; margin: 16px; }
.markdown { padding: 16px 32px; line-height: 1.6; overflow-x: auto; }
.markdown pre { background: var(--subtle); padding: 12px; border-radius: 6px; overflow-x: auto; }
.markdown code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 85%; }
.markdown table td, .markdown table th { border: 1px solid var(--border); padding: 6px 13px; }
.markdown img { max-width: 100%; }
@media (max-width: 700px) {
  main { padding: 12px 16px 48px; }
  .topbar { padding: 12px 16px; }
  .repohead { margin: 0 -16px 16px; padding: 0 16px; }
  .dropdown .menu.wide { min-width: 280px; }
}