:root {
  --bg: #f6f8fa; --panel: #ffffff; --ink: #1f2328; --muted: #59636e;
  --line: #d1d9e0; --accent: #0969da; --accent-ink: #ffffff;
  --ok: #1a7f37; --bad: #cf222e; --warn: #9a6700;
  --add-bg: #dafbe1; --del-bg: #ffebe9; --chip-ink: #ffffff;
  --code-bg: #f6f8fa; --radius: 8px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --panel: #161b22; --ink: #e6edf3; --muted: #9198a1;
    --line: #30363d; --accent: #4493f8; --accent-ink: #0d1117;
    --ok: #3fb950; --bad: #f85149; --warn: #d29922;
    --add-bg: #12261e; --del-bg: #25171c; --code-bg: #161b22;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 -apple-system, "Segoe UI", system-ui, Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 13px; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.topbar { background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.wordmark { font-weight: 700; font-size: 18px; color: var(--ink); }
.wordmark:hover { text-decoration: none; color: var(--accent); }
.topnav { display: flex; gap: 16px; align-items: center; }
.topnav a { color: var(--ink); }
.badge {
  background: var(--accent); color: var(--accent-ink); border-radius: 10px;
  font-size: 11px; padding: 1px 7px; margin-left: 4px; font-weight: 600;
}
main { padding: 24px 16px 48px; }
.footer { color: var(--muted); font-size: 12px; padding: 16px; border-top: 1px solid var(--line); }
h1 { font-size: 22px; margin: 0 0 4px; font-weight: 600; }
h1 .muted, h2 .muted { font-weight: 400; }
h2 { font-size: 17px; margin: 24px 0 8px; font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.page-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head .actions { display: flex; gap: 8px; align-items: center; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.panel + .panel { margin-top: 16px; }
.panel-pad { padding: 16px; }
.panel-head {
  padding: 10px 16px; border-bottom: 1px solid var(--line); font-weight: 600;
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 12px 16px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.list li:first-child { border-top: 0; }
table.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 8px 16px; border-top: 1px solid var(--line); }
.table th { border-top: 0; color: var(--muted); font-size: 13px; font-weight: 600; }
.btn {
  display: inline-block; border: 1px solid var(--line); border-radius: 6px;
  background: var(--panel); color: var(--ink); padding: 5px 12px; font-size: 14px;
  cursor: pointer; font-family: inherit;
}
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn-danger { color: var(--bad); }
.btn-danger:hover { background: var(--bad); color: #fff; border-color: var(--bad); }
.btn-sm { padding: 3px 10px; font-size: 13px; }
.linklike { background: none; border: 0; color: var(--ink); cursor: pointer; font: inherit; padding: 0; }
.linklike:hover { color: var(--accent); }
.inline { display: inline; }
form.stack { display: flex; flex-direction: column; gap: 12px; max-width: 460px; }
form.stack label { font-weight: 600; font-size: 13px; }
input[type=text], input[type=password], input[type=email], input[type=url], select, textarea {
  width: 100%; padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--bg); color: var(--ink); font: inherit;
}
textarea { min-height: 120px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.chip {
  display: inline-block; border-radius: 999px; padding: 1px 10px; font-size: 12px;
  font-weight: 600; color: var(--chip-ink);
}
.tag {
  display: inline-block; border: 1px solid var(--line); border-radius: 999px;
  padding: 1px 10px; font-size: 12px; color: var(--muted); background: var(--bg);
}
.state { display: inline-block; border-radius: 999px; padding: 2px 12px; font-size: 13px; font-weight: 600; color: #fff; }
.state-open { background: var(--ok); }
.state-closed { background: var(--bad); }
.state-merged { background: #8250df; }
.flash { border: 1px solid var(--line); border-left: 4px solid var(--accent); background: var(--panel);
  padding: 10px 16px; border-radius: 6px; margin-bottom: 16px; }
.flash-error { border-left-color: var(--bad); }
.tree-table td.icon { width: 24px; color: var(--muted); }
pre.codeview {
  margin: 0; padding: 16px; overflow-x: auto; background: var(--code-bg);
  border-radius: 0 0 var(--radius) var(--radius); line-height: 1.5;
}
pre.codeview .ln { color: var(--muted); user-select: none; display: inline-block; width: 3.5em; text-align: right; margin-right: 12px; }
.readme { padding: 16px 24px; }
.readme pre { background: var(--code-bg); padding: 12px; border-radius: 6px; overflow-x: auto; }
.readme img { max-width: 100%; }
.readme h1, .readme h2 { border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.diff-file { margin-top: 16px; }
.diff-head { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
table.diff { width: 100%; border-collapse: collapse; font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
.diff td { padding: 0 10px; white-space: pre-wrap; word-break: break-all; }
.diff .ln { width: 1%; min-width: 3em; text-align: right; color: var(--muted); user-select: none; border-right: 1px solid var(--line); }
.diff tr.add td { background: var(--add-bg); }
.diff tr.del td { background: var(--del-bg); }
.diff tr.hunk td { background: var(--code-bg); color: var(--muted); padding: 4px 10px; }
.commit-msg { white-space: pre-wrap; }
.avatar {
  display: inline-flex; width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font-size: 12px; font-weight: 700;
  align-items: center; justify-content: center; vertical-align: middle; margin-right: 6px;
}
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline > li { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); margin-bottom: 16px; }
.timeline .comment-head { padding: 8px 16px; border-bottom: 1px solid var(--line); background: var(--code-bg);
  border-radius: var(--radius) var(--radius) 0 0; font-size: 13px; }
.timeline .comment-body { padding: 4px 16px; }
.verdict-approve { color: var(--ok); font-weight: 600; }
.verdict-request_changes { color: var(--bad); font-weight: 600; }
.verdict-comment { color: var(--muted); font-weight: 600; }
.mergebox { border-top: 1px solid var(--line); padding: 16px; }
.cap {
  display: inline-block; font-family: ui-monospace, Consolas, monospace; font-size: 12px;
  border: 1px solid var(--warn); color: var(--warn); border-radius: 6px; padding: 2px 8px; margin: 2px;
}
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 16px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-family: ui-monospace, Consolas, monospace; font-size: 13px; word-break: break-all; }
.grid2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 800px) { .grid2 { grid-template-columns: 1fr; } }
.branchbar { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs a { padding: 8px 14px; color: var(--ink); border: 1px solid transparent; border-bottom: 0; border-radius: 6px 6px 0 0; }
.tabs a.active { background: var(--panel); border-color: var(--line); font-weight: 600; position: relative; top: 1px; }
.tabs a:hover { text-decoration: none; background: var(--panel); }
.secret-box { background: var(--code-bg); border: 1px dashed var(--warn); padding: 12px 16px; border-radius: 6px;
  font-family: ui-monospace, Consolas, monospace; word-break: break-all; }
.danger-zone { border-color: var(--bad); }
.danger-zone .panel-head { color: var(--bad); }
.empty { padding: 48px 16px; text-align: center; color: var(--muted); }