:root {
  --bg: #f5f4ef; --bg2: #ebeae3; --fg: #1a1a1a; --mut: #5f6358; --line: rgba(26,26,26,.14);
  --deep: #1e2e26; --sage: #d8e3d7; --sky: #b9dbf8; --sand: #d8d6ca;
  --ok: #17703a; --warn: #8a5a00; --bad: #b3261e; --okbg: #e3f1e7; --warnbg: #f6ecd4; --badbg: #f8dfdc;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151715; --bg2: #1e211e; --fg: #ecece6; --mut: #a3a69c; --line: rgba(255,255,255,.14); --deep: #0f1a14; --sage: #2a3a30; --sky: #26405a; --sand: #3a3a34;
    --ok: #6bd092; --warn: #e2b45a; --bad: #ff8a80; --okbg: #1b2d22; --warnbg: #332a14; --badbg: #3a1f1d; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
code { font-family: var(--mono); font-size: .9em; }
button, select, label.btn { font: inherit; }
:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; border-radius: 4px; }
.muted { color: var(--mut); }
.fine { color: var(--mut); font-size: .85rem; margin-top: 10px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; }

.top { border-bottom: 1px solid var(--line); background: var(--bg); }
.top__in { max-width: 1100px; margin: 0 auto; padding: 14px 20px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; letter-spacing: -.02em; font-size: 1.15rem; }
.brand span { color: var(--sky); }
.tag { font-family: var(--mono); font-size: .72rem; color: var(--mut); border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; }
.top__link { margin-left: auto; font-size: .9rem; color: var(--mut); }

.wrap { max-width: 1100px; margin: 0 auto; padding: 36px 20px 60px; }
.hero h1 { font-size: clamp(1.7rem, 3.6vw, 2.8rem); line-height: 1.1; letter-spacing: -.03em; max-width: 18ch; }
.lede { max-width: 66ch; margin-top: 14px; color: var(--mut); }
.hero__row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--fg); background: transparent; color: var(--fg); cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--bg2); }
.btn--primary { background: var(--fg); color: var(--bg); }
.btn--primary:hover { background: var(--deep); color: #fff; }
.btn:disabled { opacity: .5; cursor: default; }
.btn--sm { padding: 5px 12px; font-size: .85rem; }

[hidden] { display: none !important; }
.drop { position: fixed; inset: 0; background: rgba(30,46,38,.85); color: #fff; display: grid; place-items: center; font-size: 1.4rem; z-index: 50; }

.step { margin-top: 44px; border-top: 1px solid var(--line); padding-top: 24px; }
.step__head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.step__n { font-family: var(--mono); font-size: .8rem; color: var(--bg); background: var(--fg); border-radius: 999px; width: 24px; height: 24px; display: inline-grid; place-items: center; }
.step h2 { font-size: 1.3rem; letter-spacing: -.02em; }

.files { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.file { border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: var(--bg2); }
.file b { display: block; word-break: break-all; }
.file .muted { font-size: .85rem; }
.file .cols { font-family: var(--mono); font-size: .72rem; color: var(--mut); margin-top: 8px; line-height: 1.5; max-height: 4.5em; overflow: hidden; }
.file .rm { float: right; }

.maptable { margin-top: 18px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.maptable__head { display: flex; gap: 12px; align-items: baseline; padding: 12px 14px; background: var(--bg2); flex-wrap: wrap; }
.maptable__head b { font-family: var(--mono); font-size: .9rem; }
.pill { font-family: var(--mono); font-size: .72rem; padding: 2px 8px; border-radius: 999px; background: var(--sage); }
.pill--low { background: var(--warnbg); color: var(--warn); }
.maptable__warn { padding: 8px 14px; font-size: .85rem; color: var(--warn); background: var(--warnbg); }
.maptable__warn li { margin-left: 18px; }
.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th, .tbl td { text-align: left; padding: 8px 12px; border-top: 1px solid var(--line); vertical-align: top; }
.tbl th { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--mut); border-top: none; }
.tbl select { max-width: 100%; padding: 4px 6px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.tbl .sample { font-family: var(--mono); font-size: .75rem; color: var(--mut); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 240px; }
.tbl .note { font-size: .8rem; color: var(--mut); }
.tbl tr.unmapped td:first-child { color: var(--mut); }
.tblwrap { overflow-x: auto; }

.score { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.score__ring { width: 128px; height: 128px; border-radius: 50%; display: grid; place-items: center; align-content: center; background: conic-gradient(var(--ring, var(--ok)) calc(var(--p, 0) * 1%), var(--bg2) 0); position: relative; }
.score__ring::before { content: ""; position: absolute; inset: 10px; border-radius: 50%; background: var(--bg); }
.score__ring strong, .score__ring span { position: relative; }
.score__ring strong { font-size: 2.2rem; line-height: 1; letter-spacing: -.04em; }
.score__ring span { font-size: .75rem; color: var(--mut); }
.score__text { flex: 1; min-width: 260px; }
.score__text p { font-size: 1.1rem; }
.counts { list-style: none; padding: 0; margin: 10px 0 0; display: flex; gap: 8px; flex-wrap: wrap; }
.counts li { font-family: var(--mono); font-size: .78rem; border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }

.issues { margin-top: 28px; }
.issues__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.issues h3, .downloads h3 { font-size: 1.05rem; }
.issues select { padding: 3px 6px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
.group { margin-top: 12px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.group summary { padding: 12px 14px; cursor: pointer; display: flex; gap: 12px; align-items: center; list-style: none; }
.group summary::-webkit-details-marker { display: none; }
.sev { font-family: var(--mono); font-size: .7rem; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; }
.sev--error { background: var(--badbg); color: var(--bad); }
.sev--warn { background: var(--warnbg); color: var(--warn); }
.sev--info { background: var(--sage); color: var(--fg); }
.group summary b { flex: 1; }
.group summary .n { font-family: var(--mono); color: var(--mut); }
.group .why { padding: 0 14px 10px; color: var(--mut); font-size: .9rem; }
.group .tbl { font-size: .82rem; }
.group .tbl td { font-family: var(--mono); font-size: .75rem; }
.group .more { padding: 8px 14px; font-size: .8rem; color: var(--mut); }
.empty { padding: 18px; border: 1px dashed var(--line); border-radius: 12px; color: var(--mut); margin-top: 12px; }

.downloads { margin-top: 28px; }
.dl { font-family: var(--mono); font-size: .8rem; }

.about { margin-top: 56px; border-top: 1px solid var(--line); padding-top: 24px; max-width: 72ch; }
.about h2 { font-size: 1.1rem; margin-bottom: 10px; }
.about p { color: var(--mut); margin-bottom: 12px; }

.foot { border-top: 1px solid var(--line); padding: 20px; font-size: .8rem; color: var(--mut); }
.foot p { max-width: 1100px; margin: 0 auto; }

@media (max-width: 700px) {
  .top__link { margin-left: 0; }
  .tbl th:nth-child(4), .tbl td:nth-child(4) { display: none; }
}