:root {
  --bg: #f2f5f4;
  --panel: #ffffff;
  --ink: #18272b;
  --ink-2: #3f5257;
  --line: #c6d3d0;
  --line-2: #dfe7e5;
  --accent: #0b6862;
  --accent-ink: #ffffff;
  --accent-soft: #dcefec;
  --focus: #1b6fd1;
  --over: #a8361b;
  --under: #2c6331;
  --flag-bg: #fff3e6;
  --a-direct: #0b7d74;
  --a-indirect: #3b62b5;
  --a-compliance: #b5651b;
  --a-other: #6b7682;
  --ph: #56676b;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --head: "Avenir Next", Avenir, "Segoe UI Variable Display", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111a1c;
    --panel: #18242a;
    --ink: #e3ecea;
    --ink-2: #a9bcb8;
    --line: #36494e;
    --line-2: #26363b;
    --accent: #5cc5b8;
    --accent-ink: #0b1d1b;
    --accent-soft: #1d3a38;
    --focus: #7fb4ff;
    --over: #ff9a7a;
    --under: #8fd394;
    --flag-bg: #3a2a1c;
    --a-direct: #3fb6aa;
    --a-indirect: #7c9cf0;
    --a-compliance: #e3954d;
    --a-other: #9aa5b1;
    --ph: #9aaeab;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.55 var(--sans); }
main { max-width: 1040px; margin: 0 auto; padding: 0 16px 40px; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, label.btn:focus-within {
  outline: 3px solid var(--focus); outline-offset: 2px;
}
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--panel); padding: 8px 12px; z-index: 5; }
.skip:focus { left: 8px; }
[hidden] { display: none !important; }

.intro { padding: 28px 0 8px; border-bottom: 3px solid var(--ink); margin-bottom: 18px; }
h1 { font: 800 2.3rem/1.1 var(--head); letter-spacing: -0.02em; margin: 0 0 10px; }
.lede { margin: 0 0 14px; max-width: 64ch; font-size: 1.08rem; color: var(--ink-2); }
h2 { font: 750 1.45rem/1.2 var(--head); margin: 0; }
h3 { font: 700 1.12rem/1.3 var(--head); margin: 0; }

/* job settings */
.job { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 22px; margin-bottom: 18px; }
.prof { border: 0; padding: 0; margin: 0; }
.prof legend, .field label { display: block; font-weight: 650; margin-bottom: 4px; padding: 0; }
.seg { display: inline-flex; border: 2px solid var(--ink); border-radius: 8px; overflow: hidden; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span { display: block; min-width: 64px; padding: 9px 14px; text-align: center; font-weight: 700; }
.seg label + label span { border-left: 2px solid var(--ink); }
.seg input:checked + span { background: var(--ink); color: var(--bg); }
.seg input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: -5px; }
.field { min-width: 0; }
input, select, textarea { font: inherit; font-size: 1rem; color: var(--ink); background: var(--panel); border: 1.5px solid var(--line); border-radius: 6px; min-height: 44px; padding: 8px 10px; width: 100%; min-width: 0; }
input::placeholder { color: var(--ph); opacity: 1; font-style: italic; }
select { padding: 8px 2px 8px 8px; }
input[aria-invalid="true"] { border-color: var(--over); box-shadow: inset 0 0 0 1px var(--over); }
#contract { width: 10ch; }
.job .field:has(#contract) { flex: 0 0 auto; }
.check { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-weight: 650; cursor: pointer; }
.check input { width: 22px; height: 22px; min-height: 0; accent-color: var(--accent); margin: 0; }
.err { margin: 4px 0 0; color: var(--over); font-size: 0.95rem; min-height: 0; }
.err:empty { display: none; }
.err.info { color: var(--ink-2); }
.more { flex: 1 1 100%; }
.more summary { cursor: pointer; font-weight: 650; color: var(--accent); min-height: 44px; display: inline-flex; align-items: center; }
.more-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px 18px; padding: 6px 0 4px; align-items: end; }

.note { background: var(--flag-bg); padding: 10px 14px; border-radius: 6px; margin: 0 0 14px; }

/* result */
.result { background: var(--panel); border: 1.5px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 30px; }
.empty { margin: 0; color: var(--ink-2); }
.big { margin: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.big-n { font: 800 2.4rem/1.1 var(--head); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.big-of { color: var(--ink-2); font-size: 1.05rem; }
.status { margin: 4px 0 0; font-weight: 700; font-size: 1.1rem; }
.status.over { color: var(--over); }
.status.under { color: var(--under); }
.bar { position: relative; margin: 30px 0 18px; }
.bar-track { display: flex; height: 22px; background: var(--line-2); border-radius: 4px; overflow: hidden; }
.bar-track span { display: block; height: 100%; }
.seg-direct, .sw-direct, .area-direct .swatch { background: var(--a-direct); }
.seg-indirect, .sw-indirect, .area-indirect .swatch { background: var(--a-indirect); }
.seg-compliance, .sw-compliance, .area-compliance .swatch { background: var(--a-compliance); }
.seg-other, .sw-other, .area-other .swatch { background: var(--a-other); }
.bar-track span + span { box-shadow: inset 2px 0 0 var(--panel); }
.mark { position: absolute; top: -8px; bottom: -6px; width: 0; border-left: 3px solid var(--ink); transform: translateX(-1.5px); }
.mark-l { position: absolute; bottom: 100%; font-size: 0.9rem; font-weight: 650; white-space: nowrap; transform: translateX(-100%); padding-right: 6px; line-height: 1.3; }
.swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 8px; vertical-align: 0; flex: none; }
.areas-table { width: 100%; max-width: 760px; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.areas-table th, .areas-table td { text-align: left; padding: 7px 8px 7px 0; border-bottom: 1px solid var(--line-2); font-weight: 400; }
.areas-table thead th { font-weight: 650; color: var(--ink-2); font-size: 0.95rem; border-bottom: 1.5px solid var(--line); }
.areas-table .n { text-align: right; padding-right: 0; padding-left: 10px; white-space: nowrap; }
.areas-table tfoot th { font-weight: 650; }
.areas-table .tot th, .areas-table .tot td { font-weight: 750; border-top: 1.5px solid var(--ink); }
.areas-table .diff td, .areas-table .diff th { font-weight: 700; border-bottom: 0; }
.caseload { margin: 14px 0 0; }
.flag { margin: 12px 0 0; background: var(--flag-bg); padding: 8px 12px; border-radius: 6px; }
.three { margin-top: 18px; padding-top: 14px; border-top: 1.5px solid var(--line); }
.cycle { margin: 8px 0 0; display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; }
.cycle dt { font-weight: 700; }
.cycle dd { margin: 0; }
.assume { margin: 10px 0 0; color: var(--ink-2); }

/* students and tasks */
.part { margin-bottom: 34px; container-type: inline-size; }
.part-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; border-bottom: 1.5px solid var(--ink); padding-bottom: 6px; margin-bottom: 8px; }
.sub { margin: 0; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.hint { margin: 0 0 10px; color: var(--ink-2); }
.warn { background: var(--flag-bg); padding: 8px 12px; border-radius: 6px; margin: 0 0 10px; }
.cols { display: none; color: var(--ink-2); font-size: 0.92rem; font-weight: 650; }
.cols .r { text-align: right; }
.students, .tasks { list-style: none; margin: 0; padding: 0; }
.srow, .trow { display: grid; gap: 6px 8px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line-2); }
.srow.bad, .trow.bad { background: linear-gradient(var(--flag-bg), var(--flag-bg)) no-repeat; }
.num { color: var(--ink-2); font-variant-numeric: tabular-nums; text-align: right; font-size: 0.95rem; }
output { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.row-err { grid-column: 1 / -1; margin: 0; color: var(--over); font-size: 0.95rem; }
.row-err:empty { display: none; }
.del { width: 44px; height: 44px; border: 0; background: none; color: var(--ink-2); font-size: 1.5rem; line-height: 1; border-radius: 6px; cursor: pointer; }
.del:hover { background: var(--line-2); color: var(--ink); }
.yl { display: block; color: var(--ink-2); font-size: 0.92rem; line-height: 1.2; }
.srow .your { white-space: normal; line-height: 1.3; }
.size { display: flex; align-items: center; gap: 6px; }
.of { color: var(--ink-2); }

/* narrow students: three lines; phones: two lines; wide: one line */
.srow { grid-template-columns: 1.4rem minmax(0, 1fr) minmax(0, 1fr) 44px; grid-template-areas: "num code min del" "per per mode mode" ". size your your"; }
.srow .num { grid-area: num; }
.srow .code { grid-area: code; }
.srow .min { grid-area: min; }
.srow [data-f="per"] { grid-area: per; }
.srow [data-f="mode"] { grid-area: mode; }
.srow .size { grid-area: size; }
.srow .your { grid-area: your; }
.srow .del { grid-area: del; }
@container (min-width: 340px) and (max-width: 779px) {
  .srow { grid-template-columns: 1.4rem minmax(0, 1fr) minmax(0, 1fr) 4.6rem 44px; grid-template-areas: "num code min your del" "per per mode size size"; }
  .srow .size input { width: 4.2rem; }
}
@container (min-width: 780px) {
  .s-cols, .srow { grid-template-columns: 1.6rem 7.5rem 6.5rem 7rem 7rem 6rem minmax(4.5rem, 1fr) 44px; grid-template-areas: "num code min per mode size your del"; }
  .s-cols { display: grid; gap: 0 8px; padding: 0 0 2px; }
  .s-cols span:first-child { grid-column: 2; }
  .yl { display: none; }
  .srow .size { grid-area: size; }
}

.area { margin: 18px 0 8px; }
.area h3 { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 0; padding-bottom: 4px; }
.area-sum { margin-left: auto; font: 650 1rem/1.3 var(--sans); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.from-list { margin: 6px 0 2px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 12px; padding: 6px 0; border-bottom: 1px solid var(--line-2); }
.from-list b { font-variant-numeric: tabular-nums; }
.trow { grid-template-columns: minmax(0, 1fr) 7.5rem 44px; grid-template-areas: "name name del" "inputs inputs inputs" "mode week week"; }
.trow .tname { grid-area: name; font-weight: 600; resize: none; overflow: hidden; line-height: 1.35; display: block; }
.trow .days, .trow .monthly { grid-area: inputs; }
.trow [data-f="mode"] { grid-area: mode; width: auto; justify-self: start; }
.trow .tweek { grid-area: week; }
.trow .del { grid-area: del; }
.days { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.day { display: flex; flex-direction: column; gap: 2px; }
.dl { font-size: 0.9rem; color: var(--ink-2); font-weight: 600; }
.day input { text-align: center; padding: 8px 4px; }
.monthly { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.ml { font-weight: 650; color: var(--ink-2); font-size: 0.92rem; }
.mi span { white-space: nowrap; }
.mi { display: inline-flex; align-items: center; gap: 8px; }
.mi input { width: 4.6rem; text-align: center; }
.x { color: var(--ink-2); }
@container (min-width: 760px) {
  .t-cols, .trow { grid-template-columns: minmax(10rem, 1fr) repeat(5, 4.3rem) 7.5rem 5.5rem 44px; grid-template-areas: "name d1 d2 d3 d4 d5 mode week del"; }
  .t-cols { display: grid; gap: 0 8px; padding: 6px 0 0; }
  .t-cols span:nth-child(n+2):nth-child(-n+6) { text-align: center; }
  .trow .days, .trow .monthly { grid-column: 2 / 7; grid-row: 1; }
  .trow [data-f="mode"] { width: 100%; }
  .dl { display: none; }
  .monthly { flex-wrap: nowrap; }
  .mi input { width: 3.8rem; }
  .monthly { gap: 6px 8px; }
  .day { display: block; }
}

.adds { margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 16px; font: 650 1rem/1.2 var(--sans); color: var(--ink); background: var(--panel); border: 1.5px solid var(--ink); border-radius: 8px; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--accent-soft); }
.btn.main { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.main:hover { filter: brightness(1.08); }
.btn.quiet { border-color: var(--line); }
.btn.danger { background: var(--over); border-color: var(--over); color: var(--panel); }
.btn.small { min-height: 44px; padding: 6px 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 18px 0; border-top: 3px solid var(--ink); }
.clear-ask { flex: 1 1 100%; margin: 4px 0 0; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-weight: 650; }
.kept { margin: 6px 0 20px; }
.kept summary { cursor: pointer; font-weight: 650; min-height: 44px; display: inline-flex; align-items: center; }
.kept ul { list-style: none; padding: 0; margin: 4px 0 0; }
.kept li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 12px; padding: 8px 0; border-bottom: 1px solid var(--line-2); }
.dim { color: var(--ink-2); }
.kept-btns { display: inline-flex; gap: 8px; }

.toast { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); width: max-content; max-width: calc(100vw - 32px); background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: 8px; display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; z-index: 10; pointer-events: none; }
.toast .btn { pointer-events: auto; background: var(--bg); color: var(--ink); border-color: var(--bg); }

/* explainer */
.prose { max-width: 70ch; margin-top: 30px; }
.prose h2 { margin: 30px 0 8px; }
.faq h3 { margin: 20px 0 4px; }
.faq p { margin: 0; }
.sources { margin-top: 26px; color: var(--ink-2); overflow-wrap: anywhere; }

.site-foot { border-top: 1px solid var(--line); padding: 20px 16px 30px; color: var(--ink-2); }
.site-foot a { color: var(--ink-2); }
.sb-footer { max-width: 1120px; margin: 0 auto; font-size: 1rem; }
.sb-more { line-height: 1.9; }
.sb-privacy, .sb-credit { margin: 6px 0 0; }

.print-root { display: none; }

@media (max-width: 480px) {
  h1 { font-size: 1.95rem; }
  .intro { padding-top: 18px; }
  .result { padding: 14px; }
  .big-n { font-size: 2rem; }
  .cycle { grid-template-columns: 1fr; gap: 2px; }
  .cycle dd { margin-bottom: 8px; }
  .areas-table thead, .areas-table .share { display: none; }
  .areas-table, .areas-table tbody, .areas-table tfoot { display: block; }
  .areas-table tr { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; padding: 7px 0; border-bottom: 1px solid var(--line-2); }
  .areas-table th, .areas-table td, .areas-table .tot th, .areas-table .tot td { border: 0; padding: 0; text-align: left; }
  .areas-table th[scope="row"] { grid-column: 1 / -1; }
  .areas-table .n { padding: 0; white-space: normal; }
  .areas-table .tot { border-top: 1.5px solid var(--ink); }
  .areas-table .unit { display: inline; color: var(--ink-2); font-weight: 400; }
  .seg span { min-width: 56px; padding: 9px 10px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }

/* ------------------------------------------------------------ print: only the summary sheet */
@page { margin: 13mm 12mm; }
@media print {
  :root { --ink: #111; --ink-2: #333; --line: #888; --line-2: #bbb; --panel: #fff; --a-direct: #0b7d74; --a-indirect: #3b62b5; --a-compliance: #b5651b; --a-other: #6b7682; }
  body { background: #fff; color: #111; font: 10.5pt/1.32 var(--sans); }
  main, .site-foot, .toast, .skip, #announce { display: none !important; }
  .print-root { display: block; }
  .p-sheet { width: 100%; }
  .p-page { width: 100%; border-collapse: collapse; }
  .p-page > thead > tr > td, .p-page > tbody > tr > td { padding: 0; }
  .p-page > thead .p-meta { margin-bottom: 4pt; }
  .p-assume { margin: 3pt 0 0; font-style: italic; }
  .p-title { font: 800 17pt/1.2 var(--head); border-bottom: 2pt solid #111; padding-bottom: 4pt; margin-bottom: 6pt; }
  .p-meta { display: flex; flex-wrap: wrap; gap: 2pt 22pt; margin: 0 0 5pt; }
  .p-blank { display: inline-block; width: 1.4in; border-bottom: 0.75pt solid #111; height: 1em; vertical-align: -2pt; }
  .p-blank.wide { width: 2.4in; }
  .p-head { font-size: 12.5pt; margin: 8pt 0 0; }
  .p-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16pt; align-items: start; }
  .p-sum th[scope="row"] { white-space: nowrap; }
  .p-sum .share { display: none; }
  .p-sum .swatch { margin-right: 5pt; }
  .p-h { font: 700 11pt/1.3 var(--head); margin: 10pt 0 3pt; }
  .p-text { margin: 6pt 0 0; }
  .bar { margin: 18pt 0 8pt; }
  .bar-track { height: 13pt; background: #e5e5e5; border: 0.5pt solid #888; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .bar-track span, .swatch { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .bar-track span + span { box-shadow: inset 1.5pt 0 0 #fff; }
  .mark { border-left: 2pt solid #111; top: -6pt; bottom: -4pt; }
  .mark-l { font-size: 9.5pt; }
  .p-table { border-collapse: collapse; width: calc(100% - 2pt); margin: 1pt; font-variant-numeric: tabular-nums; }
  .p-table th, .p-table td { text-align: left; padding: 1.6pt 4pt; border-bottom: 0.5pt solid #999; font-weight: 400; vertical-align: top; }
  .p-table thead th { font-weight: 700; border-bottom: 1pt solid #111; }
  .p-table .n { text-align: right; white-space: nowrap; }
  .p-table .tot th, .p-table .tot td { font-weight: 700; border-top: 1pt solid #111; }
  .p-table tfoot th { font-weight: 700; }
  .p-table .diff th, .p-table .diff td { font-weight: 700; }
  .p-sum { margin-top: 2pt; }
  .p-taskcols { columns: 2; column-gap: 16pt; }
  .p-tasks { break-inside: avoid; margin: 0 1pt 6pt; }
  .p-tasks .p-area th { font-weight: 700; border-bottom: 1pt solid #111; }
  .p-cols .p-text { margin-top: 2pt; }
  .p-three .p-h { margin-top: 6pt; }
  .p-dim { color: #444; }
  .p-keep { break-inside: avoid; }
  .p-three .cycle { display: block; margin: 0; }
  .p-three dt { display: inline; font-weight: 700; }
  .p-three dt::after { content: ": "; }
  .p-three dd { display: inline; margin: 0; }
  .p-three dd::after { content: ""; display: block; margin-bottom: 3pt; }
  .p-flag { margin: 6pt 0 0; font-weight: 700; }
  .p-codes { margin-top: 8pt; }
  .p-newpage { break-before: page; }
  .p-codelist { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1pt 14pt; list-style: none; margin: 0; padding: 0; font-size: 10pt; line-height: 1.35; }
  .p-codelist li { white-space: nowrap; overflow: hidden; break-inside: avoid; border-bottom: 0.5pt solid #ccc; padding: 1pt 0; }
  .p-cols .p-src { border-top: 0; padding-top: 0; margin-top: 8pt; }
  .p-src { margin: 6pt 0 0; font-size: 9pt; color: #333; border-top: 0.5pt solid #888; padding-top: 4pt; }
  .p-fill td { height: 17pt; }
  .p-fill .p-month td { height: auto; padding: 5pt 4pt 4pt; }
  .p-blank.short { width: 0.45in; }
  .p-fill td + td, .p-fill thead th + th { border-left: 0.5pt solid #999; }
  .p-sum td + td { border-left: 0; }
  .p-grid { margin-top: 10pt; }
  .p-grid .p-area th { font-weight: 700; background: none; border-bottom: 1pt solid #111; padding-top: 6pt; }
  .p-grid { table-layout: fixed; }
  .p-fill thead th.n { text-align: center; }
  .p-grid .c-task { width: 34%; }
  .p-grid .c-day { width: 11%; }
  .p-sum th:first-child { width: 50%; }
}
.nw { white-space: nowrap; }
.unit { display: none; }