:root {
  --bg: #f6f7f9; --card: #ffffff; --fg: #1c2330; --muted: #667085; --line: #e2e6ec;
  --accent: #2563eb; --accent-fg: #ffffff;
  --ok: #16794a; --ok-bg: #dcf5e7; --warn: #8a5a00; --warn-bg: #fff1cf;
  --bad: #b42318; --bad-bg: #fde4e1; --crit: #ffffff; --crit-bg: #b42318;
  --info: #175cd3; --info-bg: #e3edff; --dim: #667085; --dim-bg: #eceff3;
  --row-err: #fff3f1; --row-crit: #ffe3df; --row-warn: #fffaf0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d; --card: #1a2029; --fg: #e6eaf0; --muted: #98a2b3; --line: #2b3441;
    --accent: #6ea0ff; --accent-fg: #0b1220;
    --ok: #5ed394; --ok-bg: #123524; --warn: #f5c451; --warn-bg: #3a2c0b;
    --bad: #ff8a80; --bad-bg: #4a1b17; --crit: #ffffff; --crit-bg: #c4302b;
    --info: #8db4ff; --info-bg: #182b52; --dim: #98a2b3; --dim-bg: #262d38;
    --row-err: #2a1a1b; --row-crit: #3a1a19; --row-warn: #2a2414;
  }
}
* { box-sizing: border-box; }
html { font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
body { margin: 0; background: var(--bg); color: var(--fg); }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
h1 { font-size: 1.5rem; margin: 1.2rem 0 .8rem; }
h2 { font-size: 1.15rem; margin: 0 0 .6rem; }
h3 { font-size: 1rem; margin: 1.1rem 0 .3rem; }
a { color: var(--accent); }
a.plain { color: inherit; text-decoration: none; border-bottom: 1px dotted var(--muted); }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--dim-bg); padding: 1px 5px; border-radius: 4px; }
code.big { font-size: 1.2rem; letter-spacing: .05em; padding: 3px 8px; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .nowrap { white-space: nowrap; }
.err { color: var(--bad); } .center { text-align: center; }

header.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; align-items: center; gap: 1.2rem; min-height: 52px; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); display: flex; align-items: center; gap: .5rem; }
.brand { padding-left: 3px; }
.brand .dot { flex: none; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
nav { display: flex; gap: .3rem; align-items: center; margin-left: auto; flex-wrap: wrap; }
nav a { text-decoration: none; padding: .35rem .7rem; border-radius: 6px; color: var(--fg); }
nav a:hover { background: var(--dim-bg); }
nav a.on { background: var(--accent); color: var(--accent-fg); }
.foot { padding: 1.5rem 16px; color: var(--muted); font-size: .8rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.2rem; margin: 0 0 1rem; }
.card.narrow { max-width: 520px; margin: 3rem auto; }
.banner { padding: .7rem 1rem; border-radius: 8px; margin: 0 0 1rem; border: 1px solid transparent; }
.banner.good { background: var(--ok-bg); color: var(--ok); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner.bad { background: var(--bad-bg); color: var(--bad); }

.btn, button.link { font: inherit; cursor: pointer; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-fg); border: 1px solid var(--accent); border-radius: 7px; padding: .4rem .9rem; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.off { opacity: .4; cursor: default; }
.btn.big { padding: .7rem 1.4rem; font-size: 1.05rem; }
button.link { background: none; border: 0; color: var(--accent); padding: 0; text-decoration: underline; }
form.inline { display: inline; margin: 0; }

.filters { display: flex; flex-wrap: wrap; gap: .6rem .8rem; align-items: end; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .8rem; margin-bottom: .8rem; }
.filters label, form label { display: flex; flex-direction: column; font-size: .78rem; color: var(--muted); gap: .2rem; }
input, select { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: .35rem .5rem; min-width: 0; }
form label input { font-size: 1rem; }
.fbtn { display: flex; gap: .4rem; }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin: 0 0 .8rem; }
.chip { text-decoration: none; padding: .2rem .7rem; border-radius: 999px; background: var(--dim-bg); color: var(--fg); font-size: .85rem; border: 1px solid transparent; }
.chip.on { border-color: var(--accent); }
.chip.zero { opacity: .5; }

.tablewrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: .45rem .7rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--card); position: sticky; top: 0; white-space: nowrap; }
th a { color: inherit; text-decoration: none; }
tr:last-child td { border-bottom: 0; }
td.text { white-space: pre-wrap; word-break: break-word; min-width: 18rem; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88rem; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.row-error td { background: var(--row-err); }
tr.row-critical td { background: var(--row-crit); }
tr.row-warning td { background: var(--row-warn); }
tr.row-missing td, tr.row-range td { background: var(--row-crit); }
tr.row-late td { background: var(--row-warn); }
tr.is-muted td { opacity: .6; }
.over { color: var(--bad); font-weight: 600; }
.actions button { margin-right: .5rem; }

.badge { display: inline-block; padding: .05rem .5rem; border-radius: 5px; font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; background: var(--dim-bg); color: var(--dim); }
.lv-debug { background: var(--dim-bg); color: var(--dim); }
.lv-info { background: var(--info-bg); color: var(--info); }
.lv-notice { background: var(--ok-bg); color: var(--ok); }
.lv-warning { background: var(--warn-bg); color: var(--warn); }
.lv-error { background: var(--bad-bg); color: var(--bad); }
.lv-critical { background: var(--crit-bg); color: var(--crit); }
.st-ok { background: var(--ok-bg); color: var(--ok); }
.st-late { background: var(--warn-bg); color: var(--warn); }
.st-range { background: var(--bad-bg); color: var(--bad); }
.st-missing { background: var(--crit-bg); color: var(--crit); }
.st-muted { background: var(--dim-bg); color: var(--dim); }
.chip.lv-critical, .chip.st-missing { background: var(--crit-bg); color: var(--crit); }

.pager { display: flex; gap: .5rem; align-items: center; justify-content: center; margin: 1rem 0; }

.spark { display: block; }
.spark polyline { fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linejoin: round; }
.spark circle { fill: var(--accent); }
.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; }
.chart .series { fill: none; stroke: var(--accent); stroke-width: 1.6; }
.chart .pt { fill: var(--accent); }
.chart .limit { stroke: var(--bad); stroke-width: 1; stroke-dasharray: 5 4; }
.chart .limit-t { fill: var(--bad); }

label + label { margin-top: .6rem; }
.steps { padding-left: 1.2rem; }
.msg { min-height: 1.3em; font-weight: 600; }
.msg.bad { color: var(--bad); } .msg.good { color: var(--ok); }
ul.check { list-style: none; padding: 0; margin: 0 0 1rem; }
ul.check li { display: flex; gap: .7rem; padding: .45rem 0; border-bottom: 1px solid var(--line); }
ul.check li:last-child { border-bottom: 0; }
ul.check .mark { flex: 0 0 1.6rem; height: 1.6rem; border-radius: 50%; display: grid; place-items: center; font-weight: 700; }
ul.check .ok .mark { background: var(--ok-bg); color: var(--ok); }
ul.check .warn .mark { background: var(--warn-bg); color: var(--warn); }
ul.check .todo .mark { background: var(--bad-bg); color: var(--bad); }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1.2rem; margin: 0; }
dl.kv dt { color: var(--muted); } dl.kv dd { margin: 0; }
@media (max-width: 640px) { .bar { padding-top: .4rem; padding-bottom: .4rem; } nav { margin-left: 0; } }

/* chart hover tooltip */
.chartwrap { position: relative; }
.chart .cross { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; display: none; }
.chart .hoverpt { fill: var(--card); stroke: var(--accent); stroke-width: 2; display: none; }
.chartwrap.hov .cross, .chartwrap.hov .hoverpt { display: block; }
.chartwrap .tip { position: absolute; display: none; pointer-events: none; z-index: 3; white-space: nowrap;
  background: var(--card); color: var(--fg); border: 1px solid var(--line); border-radius: 6px;
  padding: .3rem .55rem; font-size: .8rem; box-shadow: 0 2px 8px rgba(0,0,0,.18); }
.chartwrap.hov .tip { display: block; }
.chartwrap .tip b { display: block; font-size: .95rem; }

/* enrollment QR code (always black on white, also in dark mode) */
.qrcard { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.qr { width: 220px; max-width: 100%; height: auto; flex: none; border-radius: 6px; border: 1px solid var(--line); background: #fff; }
.qrcard p { margin: .3rem 0 0; max-width: 34rem; }