/* AlphaFraud -- marcdeller.com brand theme. Light + dark, responsive, no external fonts. */
:root {
  --primary: #1e73be;
  --primary-light: #4a9fd4;
  --amber: #fcb900;
  --green: #00d084;
  --red: #d62728;
  --ink: #1c2733;
  --muted: #5b6b7a;
  --bg: #f5f8fb;
  --card: #ffffff;
  --border: #e2e9f0;
  --shadow: 0 1px 3px rgba(20,40,60,.08), 0 6px 20px rgba(20,40,60,.05);
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
:root[data-theme="dark"] {
  --ink: #e6eef5; --muted: #93a5b5; --bg: #0e1620; --card: #17212e;
  --border: #253444; --shadow: 0 1px 3px rgba(0,0,0,.4), 0 6px 22px rgba(0,0,0,.35);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e6eef5; --muted: #93a5b5; --bg: #0e1620; --card: #17212e;
    --border: #253444; --shadow: 0 1px 3px rgba(0,0,0,.4), 0 6px 22px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg);
  line-height: 1.5; -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* Header + banner */
header.site {
  background: linear-gradient(135deg, var(--primary) 0%, #14559a 100%);
  color: #fff; padding: 18px 0 0; box-shadow: var(--shadow);
}
header.site .wrap { display: block; }
pre.banner {
  font-family: var(--mono); font-size: 11px; line-height: 1.15; margin: 0;
  color: #fff; overflow-x: auto; white-space: pre; opacity: .96;
}
.tagline { color: #dce9f6; font-size: 13px; margin: 4px 0 14px; }
nav.main { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
nav.main a {
  color: #eaf2fb; padding: 9px 14px; border-radius: 8px 8px 0 0; font-weight: 600; font-size: 14px;
}
nav.main a:hover { background: rgba(255,255,255,.12); text-decoration: none; }
nav.main a.active { background: var(--bg); color: var(--primary); }
nav.main .spacer { flex: 1; }
button.theme {
  background: rgba(255,255,255,.15); color: #fff; border: 0; border-radius: 8px;
  padding: 7px 12px; cursor: pointer; font-size: 13px; margin-bottom: 8px;
}

main { padding: 26px 0 60px; }
h1, h2, h3 { line-height: 1.25; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 30px 0 12px; }
.sub { color: var(--muted); font-size: 14px; margin: 0 0 18px; }

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 8px 0 6px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.kpi .n { font-size: 28px; font-weight: 700; letter-spacing: -.02em; }
.kpi .l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; margin-top: 2px; }
.kpi.alert .n { color: var(--red); }
.kpi.good .n { color: var(--green); }

/* Cards + plots */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; margin: 16px 0; }
.plot { width: 100%; min-height: 360px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }

/* Tables */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
.toolbar input[type=search] { flex: 1; min-width: 220px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--ink); font-size: 14px; }
.toolbar label { font-size: 13px; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.tablewrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 9px 11px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--border); }
thead th { position: sticky; top: 0; background: var(--card); cursor: pointer; user-select: none; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
thead th:hover { color: var(--ink); }
thead th.sorted-asc::after { content: " ▲"; color: var(--primary); }
thead th.sorted-desc::after { content: " ▼"; color: var(--primary); }
tbody tr:hover { background: rgba(30,115,190,.05); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.wrong { background: rgba(214,39,40,.06); }
tr.wrong:hover { background: rgba(214,39,40,.10); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.badge.wrong { background: rgba(214,39,40,.14); color: var(--red); }
.badge.novel { background: rgba(252,185,0,.18); color: #a67c00; }
:root[data-theme="dark"] .badge.novel { color: var(--amber); }
.badge.ok { background: rgba(0,208,132,.16); color: #0a8f5c; }
:root[data-theme="dark"] .badge.ok { color: var(--green); }

/* Metric group tables on entry page */
.metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.metric-group h3 { font-size: 14px; margin: 0 0 8px; color: var(--primary); }
.metric-group table td:first-child { color: var(--muted); }
.metric-group table td:last-child { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }

footer.site { border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; padding: 22px 0 40px; }
footer.site code { font-family: var(--mono); background: var(--card); padding: 1px 5px; border-radius: 4px; border: 1px solid var(--border); }
.hint { color: var(--muted); font-size: 13px; }