:root{--ink:#332821;--muted:#63716b;--line:#e3dedb;--paper:#fff;--bg:#f6f4f2;--accent:#743813;--other:#3675a0}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 "Noto Sans CJK SC","Microsoft YaHei",sans-serif}
a{color:#562a0e;text-underline-offset:.2em}
a:hover{color:#351a09}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #bf7b13;outline-offset:3px}
.skip-link{position:fixed;left:12px;top:-80px;background:#fff;padding:10px 16px;z-index:10}
.skip-link:focus{top:12px}
.workbench{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}
.sidebar{position:sticky;top:0;align-self:start;display:flex;flex-direction:column;height:100vh;height:100dvh;overflow-y:auto;background:#3e2617;color:#f4f0ed;padding:27px 14px 20px}
.brand{display:flex;gap:10px;align-items:center;padding:0 8px 31px}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border:1px solid #998172;border-radius:8px;color:#eedbcf;font-size:16px;letter-spacing:-.06em;flex-shrink:0}
.brand-text strong{display:block;font:600 16px/1.3 Georgia,serif;letter-spacing:-.02em}
.brand-text span{display:block;color:#cbbfb8;font-size:11px;letter-spacing:.12em;margin-top:5px}
nav{display:flex;flex-direction:column;gap:5px}
.nav-group{color:#beafa6;font-size:11px;letter-spacing:.1em;margin:9px 14px}
.nav-group:not(:first-child){margin-top:27px}
nav a{display:flex;align-items:center;gap:12px;min-height:44px;padding:10px 12px;border-left:3px solid transparent;border-radius:4px;color:#e3dad5;text-decoration:none;font-size:14px}
nav a:hover{color:#fff;background:#4f3423}
nav a[aria-current=page]{background:#eee3dc;color:#3d2212;border-left-color:#d1a589;font-weight:700}
nav a:focus-visible{outline-color:#e4bf6d;outline-offset:1px}
.nav-icon,.icon{display:inline-block;flex-shrink:0;width:19px;height:19px;vertical-align:middle}
.nav-icon{width:21px;height:21px}
.snapshot{display:flex;gap:10px;align-items:flex-start;margin:32px 10px 0;padding-top:22px;border-top:1px solid #625146;color:#dfd6d0;font-size:12px}
.snapshot .icon{margin-top:2px}
.snapshot small{color:#beb0a7;font-size:11px}
.workspace{min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:66px;padding:16px 40px;background:#fcfaf9;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
.topbar strong{color:var(--ink);font-weight:600}
.topbar small{font-size:11px;letter-spacing:.03em}
.crumb-divider{margin:0 12px;color:#9ea9a2}
main{max-width:1200px;margin:auto;padding:32px 40px 56px;min-width:0}
.eyebrow{color:var(--accent);font-size:12px;font-weight:650;letter-spacing:.1em}
h1{font-size:clamp(25px,2.6vw,36px);line-height:1.4;letter-spacing:-.035em;margin:10px 0 16px;font-weight:650}
h2{font-size:22px;line-height:1.45;margin:0 0 14px;font-weight:650}
h3{font-size:18px;margin:0 0 10px}
p{margin:10px 0 16px}
.lead{font-size:18px;max-width:900px}
.muted,small,.note{color:var(--muted)}
section,.panel{margin-top:24px;background:var(--paper);border:1px solid var(--line);padding:25px;border-radius:6px}
section>p:first-child{margin-top:0}
.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:28px 0}
.metric{border:1px solid var(--line);border-top:3px solid var(--accent);padding:17px 19px;background:#fff;border-radius:4px;font-size:13px}
.metric strong{font-size:clamp(25px,2.3vw,33px);display:block;line-height:1.7;font-variant-numeric:tabular-nums;letter-spacing:-.025em}
.metric span{font-size:12px;color:var(--muted);display:block}
.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
.peak-summary h2{padding-bottom:16px;border-bottom:1px solid var(--line);font-size:19px}
.peak-summary .grid>div+div{border-left:1px solid var(--line);padding-left:28px}
.peak-summary .muted{font-size:13px}
.peak-value{font-size:32px;line-height:1.5;color:#5b3117;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.peak-value small{font-size:13px;font-weight:400;letter-spacing:0}
.peak-summary .small{margin-bottom:0;margin-top:24px}
.overview-note{margin-top:24px;color:var(--muted);font-size:14px}
.table-scroll{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:3px}
table{border-collapse:collapse;width:100%;font-size:13px;white-space:nowrap}
th,td{text-align:right;padding:11px 12px;border-bottom:1px solid #ebe7e5;font-variant-numeric:tabular-nums}
th{background:#f4f1ef;color:#514239;font-weight:650}
th:first-child,td:first-child{text-align:left}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#faf6f4}
caption{text-align:left;font-weight:600;padding:8px}
svg[role=img]{display:block;width:100%;height:auto}
.chart-scroll{max-width:100%;overflow-x:auto}
.chart-scroll svg{min-width:720px}
.chart-hint{display:none}
.legend{display:flex;gap:20px;margin-bottom:14px;flex-wrap:wrap;font-size:13px}
.legend span:before{content:"";display:inline-block;width:20px;height:4px;vertical-align:middle;background:var(--accent);margin-right:8px}
.legend .orange:before{background:var(--other)}
.callout{border-left:3px solid var(--accent);padding:13px 18px;background:#f5f0ed;margin:20px 0;font-size:14px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
button,.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:4px;padding:8px 13px;font:inherit;font-size:13px;cursor:pointer;text-decoration:none}
.button:hover{background:#5f2e10;color:#fff}
button.secondary,.button.secondary{background:#fff;color:#562a0e;border-color:#cfc1b9}
button.secondary:hover,.button.secondary:hover{background:#f6f2ef}
button:disabled{cursor:default;opacity:.5}
button .icon,.button .icon{width:17px;height:17px}
label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:600}
select,input{font:inherit;font-size:13px;min-height:41px;padding:9px;border:1px solid #beb5af;border-radius:4px;background:#fff;color:var(--ink);min-width:0;width:100%}
.filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
summary{cursor:pointer;font-weight:650;padding:8px 0}
.small{font-size:13px;color:var(--muted)}
.pager{display:flex;align-items:center;justify-content:flex-end;gap:14px;flex-wrap:wrap;margin-top:16px;font-size:13px}
.status{display:flex;align-items:center;gap:9px;font-weight:600;color:#5e3821}
.status .icon{flex-shrink:0}
.error{color:#8b2020;background:#ffefec;padding:12px}
.source-btn{background:transparent;color:#562a0e;border:0;text-decoration:underline;padding:0;font-size:12px;min-height:32px}
code{overflow-wrap:anywhere;white-space:normal;font-size:11px}
footer{border-top:1px solid var(--line);margin-top:32px;padding-top:18px;font-size:11px;line-height:1.8;color:var(--muted)}
.row-details{display:grid;grid-template-columns:120px minmax(0,1fr);gap:7px}
.row-details dt{color:var(--muted)}
.row-details dd{margin:0;overflow-wrap:anywhere}
li{margin-bottom:9px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
#result-heading:focus,#topic-title:focus{outline:3px solid #bf7b13;outline-offset:5px}
#main,#topic-title,#result-heading{scroll-margin-top:80px}
@media(max-width:1050px){
  .workbench{grid-template-columns:208px minmax(0,1fr)}
  main{padding:28px 25px 45px}
  .topbar{padding:15px 25px}
  .brand{gap:8px;padding-left:2px;padding-right:2px}
  .brand-text strong{font-size:14px}
  .metric{padding:14px 13px}
}
@media(max-width:700px){
  .workbench{grid-template-columns:64px minmax(0,1fr)}
  .sidebar{padding:17px 7px}
  .brand{padding:0 0 22px;justify-content:center}
  .brand-mark{width:34px;height:34px;font-size:14px}
  .brand-text,.nav-group,.snapshot{display:none}
  nav{gap:9px}
  nav a{justify-content:center;padding:11px 0;min-height:46px;border-left-width:3px}
  nav a:nth-last-child(2){margin-top:20px}
  .nav-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .topbar{position:sticky;top:0;z-index:2;min-height:55px;padding:13px 15px;gap:6px;font-size:12px}
  .topbar small{display:none}
  .crumb-divider{margin:0 7px}
  main{padding:23px 15px 36px}
  .grid,.metrics{grid-template-columns:minmax(0,1fr)}
  .metrics{gap:10px;margin:20px 0}
  .metric strong{font-size:30px;line-height:1.5}
  .metric{padding:12px 16px}
  .filters{grid-template-columns:minmax(0,1fr)}
  section,.panel{padding:18px 15px;margin-top:20px}
  .lead{font-size:16px}
  h1{font-size:26px}
  h2{font-size:21px}
  .table-scroll{margin-top:10px}
  th,td{padding:10px}
  .peak-summary .grid{gap:20px}
  .peak-summary .grid>div+div{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:18px}
  .peak-value{font-size:30px}
  .legend{gap:10px;font-size:12px}
  .legend small{width:100%}
  .chart-hint{display:block;font-size:11px;color:var(--muted);margin-top:5px}
  .actions{gap:9px}
  .pager{gap:10px;justify-content:flex-start}
  .row-details{grid-template-columns:1fr;gap:3px}
  .row-details dd{margin-bottom:8px}
}
@media print{
  body{background:#fff;font-size:11pt}
  .workbench{display:block}
  .sidebar,.topbar,.actions,button,.skip-link{display:none}
  main{padding:0;max-width:none}
  section{break-inside:avoid;border:0;padding:12px 0}
  details>*{display:block!important}
  .chart-scroll svg{min-width:0}
  .metrics{grid-template-columns:repeat(3,1fr)}
  .metric strong{font-size:24px}
  a{color:inherit}
  footer{font-size:9pt}
}
/* Casebook reading and source navigation. */
.case-link{white-space:nowrap;font-size:12px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:8px}
.section-heading h2{margin:0}
.section-heading>a{font-size:13px;white-space:nowrap}
.annual-comparison{padding:24px 28px;margin-top:28px}
.annual-row{display:grid;grid-template-columns:48px minmax(0,1fr) 120px;gap:16px;align-items:center;margin:17px 0;text-decoration:none;font-variant-numeric:tabular-nums;color:var(--ink)}
.annual-row strong{text-align:right;font-size:20px;white-space:nowrap}
.bar-track{border-left:1px solid #aa9c93;position:relative;height:32px}
.bar{height:100%;background:var(--accent)}
.bar.older{background:var(--other)}
.annual-scale{display:flex;justify-content:space-between;margin-left:64px;margin-right:136px;font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:5px}
.compact-label{display:flex;flex-direction:row;align-items:center;gap:10px;white-space:nowrap}
.compact-label select{width:92px}
.profile-summary{padding-top:16px;border-top:1px solid var(--line)}
.profile-summary p{margin:4px 0 8px}
.profile-summary strong{font-size:27px;font-variant-numeric:tabular-nums}
.profile-summary strong small{font-size:17px;font-weight:500}
.profile-summary a{font-size:13px}
.file-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}
.file-list>a{padding:16px;border:1px solid var(--line);text-decoration:none;background:#f8f5f3}
.file-list strong,.file-list span{display:block}
.file-list span{font-size:12px;color:var(--muted);margin-top:4px}
.method-list{display:grid;grid-template-columns:1fr 1fr;gap:22px 30px}
.method-list p{font-size:14px}
.detail-table{max-height:590px}
.detail-table th{position:sticky;top:0;z-index:1}
.detail-table th:first-child,.detail-table td:first-child{position:sticky;left:0;background:#fff;z-index:1}
.detail-table th:first-child{z-index:2;background:#f4f1ef}
.detail-table td{padding-top:8px;padding-bottom:8px}
pre{font-size:12px;line-height:1.7;white-space:pre;overflow:auto;background:#f6f4f2;padding:14px;border:1px solid var(--line)}
body[data-page=monthly] table tbody td:first-child,body[data-page=staffing] table td:first-child{font-weight:600}
body[data-page=staffing] table{white-space:normal;min-width:650px}
@media(max-width:700px){
 .workbench{grid-template-columns:72px minmax(0,1fr)}
 .sidebar{padding:16px 6px}
 nav{gap:5px}
 nav a{flex-direction:column;gap:3px;padding:8px 0;min-height:58px}
 .nav-label{position:static;width:auto;height:auto;overflow:visible;clip:auto;font-size:10px;line-height:1.35;white-space:nowrap}
 nav a:nth-last-child(2){margin-top:10px}
 main{padding:20px 14px 36px}
 .topbar{padding:12px 14px;gap:9px;font-size:11px}
 .crumb-divider{margin:0 4px}
 .case-link{font-size:11px}
 h1{font-size:26px;line-height:1.45}
 .lead{font-size:15px}
 section,.panel{padding:18px 14px}
 .annual-row{grid-template-columns:40px minmax(0,1fr);gap:7px;margin:18px 0}
 .annual-row strong{grid-column:2;font-size:18px;text-align:left;margin-top:-4px}
 .bar-track{height:25px}
 .annual-scale{margin-left:47px;margin-right:0}
 .section-heading{align-items:flex-start;flex-direction:column;gap:10px}
 .section-heading h2{font-size:20px}
 .profile-summary{gap:20px}
 .profile-summary strong{font-size:25px}
 .file-list,.method-list{grid-template-columns:1fr;gap:14px}
 .filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .filters label:nth-child(2){grid-column:1/-1}
 .filters label{font-size:11px}
 select,input{font-size:12px;padding:8px 5px}
 .filter-panel .actions{gap:7px}
 .detail-table{max-height:500px}
 .chart-scroll svg{min-width:660px}
 .chart-hint{font-size:12px}
 footer{font-size:12px}
}
@media print{.case-link{display:none}.detail-table{max-height:none;overflow:visible}.annual-row{break-inside:avoid}}
#profile-chart svg{min-width:0}
#month-chart svg{min-width:0}
.required-inputs{border-top:1px solid var(--line);margin-top:20px;padding-top:22px}
.required-inputs article{padding:14px 0;border-top:1px solid var(--line)}
.required-inputs article h3{font-size:16px;margin-bottom:8px}
.required-inputs article p{font-size:14px;margin:4px 0}
.shift-hours{font-size:20px;font-weight:650;color:var(--accent);font-variant-numeric:tabular-nums}
@media(max-width:700px){#record-fields{grid-template-columns:100px minmax(0,1fr);gap:12px}#record-fields dd{margin:0}.shift-hours{font-size:19px}}
.field-guide table{white-space:normal}
.field-guide th,.field-guide td{text-align:left;vertical-align:top}
.field-guide th:first-child{width:110px}
.field-guide code{white-space:nowrap}