:root{
  --navy:#0f2a4a; --navy-2:#1e3a5f; --primary:#2563eb; --primary-d:#1d4ed8; --primary-l:#dbeafe;
  --bg:#f4f6fb; --card:#ffffff; --line:#e2e8f0; --line-2:#cbd5e1;
  --text:#0f172a; --muted:#64748b; --faint:#94a3b8; --ok:#15803d; --danger:#b91c1c;
  --radius:14px; --shadow:0 1px 2px rgba(15,23,42,.05),0 4px 16px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font:15px/1.5 Inter,"Segoe UI",-apple-system,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,p{margin:0}

/* Page layout and colours below. Colours are CSS variables at the top so light/dark bits stay in sync. */
.opt{color:var(--faint);font-weight:400;font-size:12.5px}

.topbar{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line);height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--navy);cursor:pointer;min-width:0;text-decoration:none}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--navy));display:grid;place-items:center;flex:none}
.brand .logo svg{width:19px;height:19px;stroke:#fff}
.brand .rname{font-weight:500;color:var(--muted);font-size:14px;padding-left:12px;border-left:1px solid var(--line-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:34vw}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:nowrap}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line-2);background:#fff;border-radius:10px;padding:9px 16px;font-weight:600;font-size:14px;transition:.15s;white-space:nowrap}
.btn:hover{border-color:var(--faint);background:#f8fafc}
.btn svg{width:17px;height:17px;flex:none}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(37,99,235,.35)}
.btn.primary:hover{background:var(--primary-d);border-color:var(--primary-d)}
.btn.lg{padding:13px 24px;font-size:16px;border-radius:12px}
.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn.ghost:hover{background:#eef2f7;color:var(--text)}
.btn.xl{color:#166534}.btn.xl svg{stroke:#16a34a}
.btn.pdf{color:#991b1b}.btn.pdf svg{stroke:#dc2626}
.btn.dms{color:#5b21b6}.btn.dms svg{stroke:#7c3aed}
.btn[disabled]{opacity:.45;pointer-events:none}

main{max-width:1500px;margin:0 auto;padding:28px}

.hero{text-align:center;padding:56px 20px 32px}
.how{max-width:460px;margin:36px auto 0;text-align:left;color:var(--muted);font-size:15px;line-height:1.9;padding-left:22px}
.hero h1{font-size:clamp(28px,4vw,38px);line-height:1.15;letter-spacing:-.02em;color:var(--navy);max-width:760px;margin:0 auto 18px}
.hero p{font-size:18px;color:var(--muted);max-width:620px;margin:0 auto 34px}
.hero .cta{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

.wrap{max-width:560px;margin:24px auto}
.wrap.wide{max-width:980px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}
.steps{display:flex;align-items:center;gap:10px;margin-bottom:26px;font-size:13px;color:var(--faint);font-weight:600}
.steps .st{display:flex;align-items:center;gap:8px}
.steps .dot{width:24px;height:24px;border-radius:50%;background:#eef2f7;color:var(--muted);display:grid;place-items:center;font-size:12px}
.steps .st.on{color:var(--navy)}.steps .st.on .dot{background:var(--primary);color:#fff}
.steps .st.done .dot{background:var(--ok);color:#fff}
.steps .bar{flex:0 0 28px;height:2px;background:var(--line)}
.card h1{font-size:26px;letter-spacing:-.02em;color:var(--navy);margin-bottom:6px}
.lead{color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field>label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.field input[type=text],.field input[type=number]{width:100%;border:1px solid var(--line-2);border-radius:10px;padding:10px 12px;background:#fff;outline:none;transition:.15s}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.field input.invalid{border-color:var(--danger);box-shadow:0 0 0 3px rgba(185,28,28,.12)}
.time{font-variant-numeric:tabular-nums;letter-spacing:.04em;text-align:center}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stepper{display:flex;gap:8px}
.stepper input{text-align:center;font-weight:700;font-size:18px}
.stepper button{width:44px;border:1px solid var(--line-2);background:#fff;border-radius:10px;font-size:20px;font-weight:600;color:var(--muted)}
.stepper button:hover{background:#f1f5f9}
.hint{background:#f1f5f9;border-radius:10px;padding:10px 14px;color:var(--muted);font-size:14px;margin-bottom:24px}
.hint b{color:var(--text)}
.foot{display:flex;justify-content:space-between;gap:10px;margin-top:8px}
.foot .r{display:flex;gap:10px}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:8px 0 22px}
.choice{text-align:left;border:2px solid var(--line);background:#fff;border-radius:14px;padding:22px;transition:.15s;position:relative}
.choice:hover{border-color:var(--primary);box-shadow:0 6px 20px rgba(37,99,235,.12);transform:translateY(-1px)}
.choice .ic{width:42px;height:42px;border-radius:11px;background:var(--primary-l);display:grid;place-items:center;margin-bottom:14px}
.choice .ic svg{width:22px;height:22px;stroke:var(--primary-d)}
.choice h3{font-size:17px;margin-bottom:4px}.choice p{font-size:14px;color:var(--muted)}
.choice .tag{position:absolute;top:14px;right:14px;font-size:11.5px;font-weight:700;color:var(--primary-d);background:var(--primary-l);border-radius:99px;padding:2px 10px}
.mealbox{border:1px dashed var(--line-2);border-radius:12px;padding:14px 14px 2px;margin-bottom:16px;background:#fafbfd}
.mealbox .mh{font-weight:600;font-size:14px;margin-bottom:12px}
.mealbox .or{display:flex;align-items:center;gap:12px;color:var(--faint);font-size:13px;margin:-4px 0 12px}
.mealbox .or::before,.mealbox .or::after{content:"";flex:1;border-top:1px solid var(--line)}
.seg{display:flex;background:#eef2f7;border-radius:11px;padding:4px;gap:4px;margin-bottom:20px}
.seg button{flex:1;border:0;background:transparent;border-radius:8px;padding:9px 10px;font-weight:600;font-size:14px;color:var(--muted)}
.seg button.on{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(15,23,42,.12)}
.preview{background:var(--primary-l);color:#1e40af;border-radius:10px;padding:9px 14px;font-size:14px;font-weight:500;margin-bottom:14px;min-height:38px}
.err{color:var(--danger);font-size:13.5px;font-weight:500;min-height:20px;margin-bottom:8px}
.check{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px;margin-bottom:14px;cursor:pointer;user-select:none}
.check input{width:18px;height:18px;accent-color:var(--primary)}
.split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:22px;align-items:start}
.list h3{font-size:15px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center}
.list h3.n2{margin-top:22px}
.list .empty{border:2px dashed var(--line);border-radius:12px;padding:20px 16px;text-align:center;color:var(--faint);font-size:14px}
.li{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:10px;background:#fff}
.li .sw{width:10px;align-self:stretch;border-radius:5px}
.li .in{flex:1;min-width:0}.li .nm{font-weight:600}.li .sub{color:var(--muted);font-size:13px}
.li .x{border:0;background:none;color:var(--faint);font-size:20px;line-height:1;padding:4px 8px;border-radius:6px}
.li .x:hover{background:#fee2e2;color:var(--danger)}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow)}
.stat .k{font-size:12.5px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.stat .v{font-size:26px;font-weight:700;color:var(--navy);letter-spacing:-.02em;margin-top:2px}
.stat .s{font-size:13px;color:var(--faint)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}
.calwrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.cal{min-width:960px}
.hd,.wk{display:grid;grid-template-columns:84px repeat(7,minmax(0,1fr)) 92px}
.hd div{background:var(--navy);color:#fff;font-weight:600;font-size:13px;padding:11px 8px;text-align:center;letter-spacing:.02em}
.hd div:first-child{text-align:left;padding-left:12px}
.wk{border-top:1px solid var(--line)}
.wl{padding:10px 12px;background:#f8fafc;display:flex;align-items:center}
.wl b{font-size:14px;color:var(--navy);white-space:nowrap}
.wt{background:#f1f5f9;border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6px}
.wt b{font-size:16px;color:var(--navy)}.wt span{font-size:11px;color:var(--faint);text-transform:uppercase;letter-spacing:.05em}
.cell{--bg:#fff;--ink:var(--text);min-height:84px;border-left:1px solid var(--line);padding:10px 8px 8px 12px;background:var(--bg);position:relative;cursor:pointer;user-select:none;transition:background .1s}
.cell.we:not(.filled){background:#fafbfd}
.cell.filled::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--ink)}
.cell:not(.filled):hover{background:#f0f6ff}
.cell.sel{outline:3px solid var(--primary);outline-offset:-3px;z-index:2;box-shadow:0 6px 18px rgba(37,99,235,.28)}
.cell .nm{font-weight:700;color:var(--ink);line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cell .tm{font-size:13px;color:var(--ink);font-variant-numeric:tabular-nums;margin-top:2px}
.cell .hr{font-size:12.5px;font-weight:700;color:var(--ink);margin-top:3px}
.cell .hr .ml{font-weight:500;opacity:.8;margin-left:6px}
.cell .ph{display:block;margin-top:2px;font-size:12.5px;color:var(--line-2)}
.cell.flash{animation:flash .5s}
@keyframes flash{0%{filter:brightness(.88)}100%{filter:none}}
.trow{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--navy);color:#fff;font-weight:600}
.trow b{font-size:20px}
.trow small{opacity:.7;font-weight:500;margin-left:10px}

.side{position:sticky;top:84px;display:flex;flex-direction:column;gap:16px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.panel h3{font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}
.seldate{font-size:17px;font-weight:700;color:var(--navy)}
.selsub{font-size:13.5px;color:var(--muted);margin-top:2px}
.selempty{font-size:14px;color:var(--muted)}
.q{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:11px;padding:9px 10px 9px 0;margin-bottom:8px;overflow:hidden;transition:.12s;position:relative}
.q:hover{border-color:var(--primary);box-shadow:0 3px 12px rgba(37,99,235,.13)}
.q .sw{width:8px;align-self:stretch;flex:none}
.q .in{flex:1;min-width:0}
.q .nm{font-weight:650;font-size:14px;line-height:1.25}
.q .sub{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.q .hrs{font-size:12px;font-weight:700;padding:2px 8px;border-radius:99px;background:#f1f5f9;color:var(--navy);flex:none}
.kbd,.q kbd{font:600 11px/1 ui-monospace,Consolas,monospace;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:5px;padding:3px 6px;color:var(--muted);background:#fff;flex:none}
.q .tools{display:none;gap:2px}
.q:hover .tools{display:flex}
.q:hover .hrs{display:none}
.q .tools span{padding:2px 6px;border-radius:6px;font-size:13px;color:var(--muted)}
.q .tools span:hover{background:#e2e8f0;color:var(--text)}
.q.add{border-style:dashed;padding:10px 12px;color:var(--primary-d);font-weight:600;font-size:14px;justify-content:center;gap:8px}
.q.add:hover{background:#eff6ff}
.q.add svg{width:16px;height:16px;flex:none}
.q.clear{padding:10px 12px;color:var(--muted);font-weight:600;font-size:14px;margin:0}
.q.clear+.q.clear{margin-top:8px}
.tips{font-size:12.5px;color:var(--muted);line-height:1.8}
.tips .kbd{margin:0 2px}

.overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(2px);display:grid;place-items:center;z-index:100;padding:16px;animation:fade .15s}
@keyframes fade{from{opacity:0}}
.modal{background:#fff;border-radius:16px;width:100%;max-width:460px;box-shadow:0 24px 64px rgba(15,23,42,.35);max-height:92vh;overflow:auto;animation:pop .18s}
@keyframes pop{from{transform:translateY(8px) scale(.98);opacity:0}}
.mhead{padding:22px 24px 6px;display:flex;justify-content:space-between;align-items:start;gap:12px}
.mhead h2{font-size:20px;color:var(--navy);letter-spacing:-.01em}
.mhead .x{border:0;background:none;font-size:26px;line-height:1;color:var(--faint);padding:0 4px}
.msub{padding:0 24px;color:var(--muted);font-size:14px}
.mbody{padding:18px 24px 6px}
.mfoot{padding:8px 24px 22px;display:flex;justify-content:flex-end;gap:10px}
.ctx{position:fixed;z-index:120;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 40px rgba(15,23,42,.22);padding:6px;min-width:210px;animation:fade .1s}
.ctx .h{padding:6px 10px 8px;font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.ctx button{display:flex;align-items:center;gap:10px;width:100%;border:0;background:none;text-align:left;padding:9px 10px;border-radius:8px;font-size:14px;font-weight:500}
.ctx button:hover{background:#eff6ff;color:var(--primary-d)}
.ctx button i{width:12px;height:12px;border-radius:4px;flex:none}
.ctx hr{border:0;border-top:1px solid var(--line);margin:5px 4px}
#toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--navy);color:#fff;padding:11px 20px;border-radius:99px;font-size:14px;font-weight:500;opacity:0;pointer-events:none;transition:.25s;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:92vw;text-align:center}
#toast.on{opacity:1;transform:translate(-50%,0)}
details.dd{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff}
details.dd>summary{cursor:pointer;padding:11px 14px;font-weight:600;font-size:14px;list-style:none}
details.dd>summary::-webkit-details-marker{display:none}
details.dd>summary::before{content:"▸";display:inline-block;margin-right:8px;color:var(--faint)}
details.dd[open]>summary::before{content:"▾"}
details.dd .dbody{padding:4px 14px 12px}
.field select,.tk select{width:100%;border:1px solid var(--line-2);border-radius:10px;padding:9px 10px;background:#fff;outline:none}
.tk{display:grid;grid-template-columns:120px 1fr;gap:4px 12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.tk:last-child{border-bottom:0}
.tk .tkc{font-weight:700;font-variant-numeric:tabular-nums;word-break:break-all}
.tk select{padding:6px 8px;border-radius:8px}
.tk .tkr{grid-column:2;font-size:13px;color:var(--muted)}
.tk .tkr.bad{color:var(--danger);font-weight:600}
.tk .tkin{grid-column:2;display:flex;gap:8px}
.tk .tkin input{width:104px;border:1px solid var(--line-2);border-radius:8px;padding:6px 8px;text-align:center}
.modal.wide{max-width:780px}
footer.sitefoot{text-align:center;color:var(--muted);font-size:13px;padding:28px 20px 34px;border-top:1px solid var(--line);margin-top:24px;background:#fff}
footer.sitefoot a{color:var(--muted);text-decoration:none;margin:0 10px}
footer.sitefoot a:hover{color:var(--primary-d);text-decoration:underline}
footer.sitefoot .fl{margin:8px 0}
footer.sitefoot .fsmall{color:var(--faint);max-width:640px;margin:6px auto 0}

body.cal-view{height:100vh;display:flex;flex-direction:column;overflow:hidden}
body.cal-view .topbar{flex:none}
body.cal-view main{flex:1;min-height:0;width:100%;padding:20px 28px 8px;display:flex;flex-direction:column}
body.cal-view .stats{flex:none;margin-bottom:16px}
body.cal-view .layout{flex:1;min-height:0;grid-template-rows:minmax(0,1fr)}
body.cal-view .calwrap{height:100%;overflow:auto;position:relative}
body.cal-view .hd{position:sticky;top:0;z-index:5}
body.cal-view .side{position:static;height:100%;overflow-y:auto;padding:2px 6px 16px 2px;scrollbar-gutter:stable}
body.cal-view footer.sitefoot{flex:none;padding:6px 20px 10px;margin-top:0;border-top:1px solid var(--line);display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap}
body.cal-view footer.sitefoot .fl{margin:0}
body.cal-view footer.sitefoot .fsmall{display:none}
body.cal-view .sitenav{display:none}
.cell{scroll-margin-top:46px}
#fatal{position:fixed;left:0;right:0;top:0;z-index:999;background:#b91c1c;color:#fff;padding:10px 16px;font:13px/1.4 Consolas,monospace;word-break:break-word}
[hidden]{display:none!important}

@media (max-width:1100px){
  body.cal-view{height:auto;display:block;overflow:auto}
  body.cal-view main{display:block;padding:16px}
  body.cal-view .calwrap{height:auto;overflow-x:auto}
  body.cal-view .side{height:auto;overflow:visible;padding:0}
  body.cal-view .hd{position:static}
  .layout{grid-template-columns:1fr}
  .side{position:static;order:-1}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  main{padding:16px}.topbar{padding:0 14px}
  .brand .rname{display:none}
  .btn .t{display:none}
  .split,.choices,.row2{grid-template-columns:1fr}
  .card{padding:22px}
}

/* ---------- site pages: top navigation, home page sections, guide and disclaimer pages ---------- */
.sitenav{display:flex;gap:4px;margin:0 auto 0 28px;flex-wrap:nowrap}
.sitenav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:14px;padding:8px 12px;border-radius:9px;white-space:nowrap}
.sitenav a:hover{background:#eef2f7;color:var(--text)}
.sitenav a[aria-current="page"]{color:var(--navy);background:var(--primary-l)}
.hero p.tag{font-size:20px;font-weight:600;color:var(--navy);margin-bottom:14px}
.info{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;max-width:980px;margin:8px auto 0}
.infocard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.infocard h3{font-size:16px;margin-bottom:4px;color:var(--navy)}
.infocard p{font-size:14px;color:var(--muted)}
.steps2{max-width:720px;margin:44px auto 0}
.steps2 h2{font-size:22px;color:var(--navy);margin-bottom:12px}
.steps2 ol{padding-left:22px;color:var(--muted);line-height:1.9;margin:0 0 10px}
.steps2 li b{color:var(--text)}
.steps2 a,.fine a,.doc a{color:var(--primary-d)}
.fine{max-width:720px;margin:28px auto 8px;font-size:13px;color:var(--faint);text-align:center}
main.page{max-width:820px;padding:40px 28px 8px}
.doc h1{font-size:32px;letter-spacing:-.02em;color:var(--navy);margin-bottom:6px}
.doc .lead{color:var(--muted);font-size:17px;margin-bottom:26px}
.doc h2{font-size:20px;color:var(--navy);margin:34px 0 8px}
.doc h3{font-size:16px;margin:20px 0 6px}
.doc p,.doc li{line-height:1.7;color:#1e293b}
.doc ul,.doc ol{padding-left:22px}
.doc li{margin-bottom:4px}
.doc code{font:600 13px ui-monospace,Consolas,monospace;background:#eef2f7;border-radius:5px;padding:2px 6px}
.doc table{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:14px}
.doc th,.doc td{border:1px solid var(--line-2);padding:8px 10px;text-align:left;vertical-align:top}
.doc th{background:#f1f5f9}
.callout{background:var(--primary-l);border-radius:12px;padding:14px 18px;margin:18px 0;color:#1e3a8a}
.callout.warn{background:#fef3c7;color:#78350f}
.keyrow{display:flex;gap:8px}
.keycap{flex:1;cursor:pointer;text-align:center;font-weight:700;font-size:16px;letter-spacing:.06em}
.q kbd{cursor:pointer}
.q kbd.empty{border-style:dashed;color:var(--faint);font-weight:500}
.q:hover kbd.empty{color:var(--primary-d);border-color:var(--primary)}
.check.small{font-weight:500;font-size:13px;color:var(--muted);margin:12px 0 0}
.li kbd{font:600 11px/1 ui-monospace,Consolas,monospace;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:5px;padding:3px 6px;color:var(--muted);background:#fff;flex:none}
@media (max-width:900px){.sitenav{display:none}}