:root {
  --bg: #f7f7f4; --panel: #ffffff; --ink: #1c1c1a; --mute: #6b6a64; --line: #e3e2dc; --soft: #f0efea;
  --accent: #2a62c9; --add-bg: #e3f4e6; --add-ink: #1d6b33; --del-bg: #fbe5e3; --del-ink: #a3261c;
  --chg-bg: #fff4d6; --l1: #4c8bf5; --l2: #2f9e6b; --l3: #d9822b; --l4: #b04fc9;
  --code: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  /* pygments */
  --k: #8a3fb8; --s: #2f7a3b; --c: #8a8a84; --n: #b5651d; --f: #2a62c9; --o: #555;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141413; --panel: #1d1d1b; --ink: #ecebe5; --mute: #9d9c95; --line: #33332f; --soft: #262624;
    --accent: #7aa6f5; --add-bg: #17331f; --add-ink: #7fd394; --del-bg: #3b1a17; --del-ink: #f19a90; --chg-bg: #3a3214;
    --k: #c99af0; --s: #8fd19c; --c: #7d7c76; --n: #f0b070; --f: #8fb5f8; --o: #bbb;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
header.top { display: flex; gap: 16px; align-items: center; padding: 10px 20px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
header.top .brand { font-weight: 650; color: var(--ink); }
header.top nav { display: flex; gap: 14px; flex: 1; flex-wrap: wrap; color: var(--mute); }
header.top .who { color: var(--mute); font-size: 12px; }
main { max-width: 1280px; margin: 0 auto; padding: 22px 20px 60px; }
main.wide { max-width: none; }
h1 { font-size: 22px; margin: 0 0 4px; } h2 { font-size: 16px; margin: 26px 0 10px; } h3 { font-size: 14px; margin: 18px 0 8px; }
.sub { color: var(--mute); margin: 0 0 18px; }
.grid { display: grid; gap: 12px; } .kpis { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; min-width: 0; }
.kpi .v { font-size: 22px; font-weight: 650; font-variant-numeric: tabular-nums; } .kpi .l { color: var(--mute); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; } .kpi .s { color: var(--mute); font-size: 12px; }
.tbl { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; font-size: 13px; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--mute); font-weight: 600; background: var(--soft); position: sticky; top: 0; cursor: pointer; user-select: none; }
td.num, th.num { text-align: right; } tr:last-child td { border-bottom: 0; }
input.filter { width: 100%; max-width: 320px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); margin-bottom: 10px; font: inherit; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; background: var(--soft); color: var(--mute); }
.pill.L1 { background: color-mix(in srgb, var(--l1) 18%, transparent); color: var(--l1); }
.pill.L2 { background: color-mix(in srgb, var(--l2) 18%, transparent); color: var(--l2); }
.pill.L3 { background: color-mix(in srgb, var(--l3) 18%, transparent); color: var(--l3); }
.pill.L4 { background: color-mix(in srgb, var(--l4) 18%, transparent); color: var(--l4); }
.bar { height: 8px; border-radius: 4px; background: var(--soft); overflow: hidden; display: flex; min-width: 80px; }
.bar span { display: block; height: 100%; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; color: var(--mute); font-size: 12px; margin: 6px 0 0; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.muted { color: var(--mute); } .small { font-size: 12px; }
/* split diff */
.diffhead { display: grid; grid-template-columns: 1fr 1fr; gap: 0; position: sticky; top: 45px; z-index: 4; }
.diffhead div { background: var(--soft); border: 1px solid var(--line); padding: 6px 12px; font-weight: 600; font-size: 12px; }
.diff { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-top: 0; background: var(--panel); font: 12.5px/1.55 var(--code); overflow-x: auto; }
.diff .row { display: contents; }
.diff .cell { display: grid; grid-template-columns: 44px 1fr; min-width: 0; border-right: 1px solid var(--line); }
.diff .cell:nth-child(2) { border-right: 0; }
.diff .ln { color: var(--mute); text-align: right; padding: 0 8px; user-select: none; background: var(--soft); }
.diff .code { white-space: pre; padding: 0 10px; overflow: hidden; text-overflow: clip; }
.diff .del { background: var(--del-bg); } .diff .add { background: var(--add-bg); } .diff .empty { background: repeating-linear-gradient(45deg, transparent, transparent 4px, var(--soft) 4px, var(--soft) 8px); }
.diff .fold { grid-column: 1 / -1; text-align: center; color: var(--mute); background: var(--soft); font: 12px system-ui, sans-serif; padding: 3px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.diff .infn .ln { box-shadow: inset 3px 0 0 color-mix(in srgb, var(--accent) 45%, transparent); }
.tok-k { color: var(--k); } .tok-s { color: var(--s); } .tok-c { color: var(--c); font-style: italic; } .tok-n { color: var(--n); } .tok-f { color: var(--f); } .tok-o { color: var(--o); }
details.key { margin: 16px 0; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
details.key summary { cursor: pointer; font-weight: 600; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 10px 0 0; } dl.kv dt { color: var(--mute); } dl.kv dd { margin: 0; }
.login { max-width: 420px; margin: 12vh auto; text-align: center; }
.filetabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 8px; }
@media (max-width: 760px) {
  main { padding: 16px; } header.top { padding: 10px 16px; }
  .diff, .diffhead { grid-template-columns: 1fr; } .diffhead div:nth-child(2) { display: none; }
  .diff .cell:nth-child(1) { border-right: 0; }
}