/* Academic, Zenodo-like: white page, one deep-blue header, generous whitespace, data is the only loud thing. */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --card: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --brand: #0d366b;
  --brand-ink: #ffffff;
  --link: #1c5cab;
  --chip: #eef3fa;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --seq-1: #cde2fb; --seq-2: #9ec5f4; --seq-3: #5598e7; --seq-4: #256abf; --seq-5: #104281;
  --band: rgba(42, 120, 214, 0.05);
  --ok: #006300;
  --miss: #b3261e;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --card: #1a1a19; --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10); --brand: #104281; --link: #86b6ef;
    --chip: #1f2a3a; --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70;
    --seq-1: #184f95; --seq-2: #1c5cab; --seq-3: #3987e5; --seq-4: #6da7ec; --seq-5: #b7d3f6;
    --band: rgba(57, 135, 229, 0.08); --ok: #0ca30c; --miss: #e66767;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --card: #1a1a19; --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10); --brand: #104281; --link: #86b6ef;
  --chip: #1f2a3a; --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70;
  --seq-1: #184f95; --seq-2: #1c5cab; --seq-3: #3987e5; --seq-4: #6da7ec; --seq-5: #b7d3f6;
  --band: rgba(57, 135, 229, 0.08); --ok: #0ca30c; --miss: #e66767;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 15px/1.55 var(--font); }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; font-weight: 600; margin: 0 0 .5em; }
h1 { font-size: 1.75rem; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.secondary { color: var(--ink-2); }

header.site { background: var(--brand); color: var(--brand-ink); }
header.site .wrap { display: flex; align-items: center; gap: 24px; min-height: 56px; flex-wrap: wrap; }
header.site .brand { color: var(--brand-ink); font-weight: 600; letter-spacing: .01em; }
header.site nav { display: flex; gap: 4px; flex-wrap: wrap; }
header.site nav a { color: rgba(255,255,255,.82); padding: 6px 10px; border-radius: 6px; }
header.site nav a:hover { background: rgba(255,255,255,.10); text-decoration: none; }
header.site nav a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.16); }
.spacer { flex: 1; }
#theme { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 6px; padding: 4px 10px; font: inherit; cursor: pointer; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
main { padding: 32px 0 64px; }
section.page[hidden] { display: none; }
.lede { font-size: 1.05rem; color: var(--ink-2); max-width: 760px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 24px 0 32px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.stat .v { font-size: 1.8rem; font-weight: 600; }
.stat .l { color: var(--ink-2); font-size: .9rem; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin-bottom: 20px; }
.card > h2 { margin-bottom: .25em; }
.card .sub { color: var(--ink-2); font-size: .92rem; margin-bottom: 12px; }
.chart { width: 100%; overflow-x: auto; }
.chart svg { max-width: 100%; height: auto; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .88rem; color: var(--ink-2); margin: 4px 0 8px; }
.legend .k { display: inline-flex; align-items: center; gap: 6px; }
.legend .sw { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.legend .sw.open { background: transparent !important; border: 2px solid; }
.legend .line { width: 18px; border-top: 2px dashed var(--muted); display: inline-block; }
figcaption, .caption { color: var(--muted); font-size: .85rem; margin-top: 8px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }

/* Library: Zenodo-style result list with facets on the left */
.lib { display: grid; grid-template-columns: 240px 1fr; gap: 24px; }
@media (max-width: 760px) { .lib { grid-template-columns: 1fr; } }
.facets h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 18px 0 6px; }
.facets label { display: flex; gap: 8px; align-items: baseline; font-size: .9rem; padding: 2px 0; cursor: pointer; }
.facets label .n { margin-left: auto; color: var(--muted); font-variant-numeric: tabular-nums; }
input[type="search"], select, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--card);
  border: 1px solid var(--axis); border-radius: 6px; padding: 8px 10px; }
.result { padding: 16px 0; border-bottom: 1px solid var(--grid); }
.result .meta { font-size: .85rem; color: var(--ink-2); margin-bottom: 2px; }
.result .title { font-size: 1.02rem; font-weight: 600; color: var(--link); cursor: pointer; background: none; border: 0;
  padding: 0; text-align: left; font-family: inherit; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { font-size: .78rem; background: var(--chip); color: var(--ink-2); border-radius: 999px; padding: 2px 10px; }
.detail { margin-top: 10px; font-size: .92rem; }
.detail[hidden] { display: none; }
table { border-collapse: collapse; width: 100%; font-size: .88rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { color: var(--ink-2); font-weight: 600; }
td.num { font-variant-numeric: tabular-nums; text-align: right; }
.count { color: var(--ink-2); font-size: .9rem; margin: 8px 0; }

/* Checker */
.steps { counter-reset: s; }
.step { position: relative; padding-left: 40px; margin-bottom: 24px; }
.step::before { counter-increment: s; content: counter(s); position: absolute; left: 0; top: 0; width: 26px; height: 26px;
  border-radius: 50%; background: var(--brand); color: #fff; font-size: .85rem; display: grid; place-items: center; }
.drop { border: 1.5px dashed var(--axis); border-radius: 8px; padding: 24px; text-align: center; color: var(--ink-2); }
.drop.over { border-color: var(--series-1); background: var(--band); }
.privacy { font-size: .88rem; background: var(--chip); border-radius: 8px; padding: 10px 14px; color: var(--ink-2); }
.fields li { list-style: none; padding: 10px 0; border-bottom: 1px solid var(--grid); }
.fields { padding: 0; margin: 0; }
.fields .head { display: flex; gap: 10px; align-items: baseline; }
.fields .mark { font-weight: 700; width: 1.2em; }
.fields .ok .mark { color: var(--ok); }
.fields .no .mark { color: var(--miss); }
.fields .ev { font-size: .85rem; color: var(--ink-2); margin: 4px 0 0 1.8em; }
.fields .ev mark { background: rgba(42,120,214,.15); color: inherit; padding: 0 2px; border-radius: 3px; }
button.btn { font: inherit; background: var(--brand); color: #fff; border: 0; border-radius: 6px; padding: 8px 16px; cursor: pointer; }
button.btn.ghost { background: none; color: var(--link); border: 1px solid var(--axis); }
button.btn[disabled] { opacity: .5; cursor: not-allowed; }
.score { font-size: 1.4rem; font-weight: 600; }

/* Top venues */
.venues h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 4px 0 8px; }
.venues ol { list-style: none; padding: 0; margin: 0; }
.venues li { display: grid; grid-template-columns: 1.6em 1fr auto; gap: 4px 10px; align-items: baseline; padding: 8px 0;
  border-bottom: 1px solid var(--grid); }
.venues .rk { color: var(--muted); font-variant-numeric: tabular-nums; }
.venues button { font: inherit; color: var(--link); background: none; border: 0; padding: 0; text-align: left; cursor: pointer; }
.venues button:hover { text-decoration: underline; }
.venues .n { color: var(--ink-2); font-variant-numeric: tabular-nums; }
.venues .bar { grid-column: 2 / 4; height: 6px; border-radius: 0 3px 3px 0; background: var(--series-1); }
.filter-chip { display: inline-flex; gap: 8px; align-items: center; font-size: .85rem; background: var(--chip); color: var(--ink-2);
  border-radius: 999px; padding: 3px 6px 3px 12px; margin-bottom: 4px; }
.filter-chip button { font: inherit; background: none; border: 0; color: var(--ink-2); cursor: pointer; padding: 0 4px; }

footer.site { border-top: 1px solid var(--grid); color: var(--muted); font-size: .85rem; padding: 24px 0 40px; }
.tip { position: fixed; pointer-events: none; background: var(--card); color: var(--ink); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px 10px; font-size: .82rem; box-shadow: 0 4px 16px rgba(0,0,0,.12); max-width: 280px; z-index: 10; }
.tip[hidden] { display: none; }
.tip b { font-weight: 600; }