:root{
  --bg:#f4f6fa; --card:#fff; --ink:#1b2333; --mute:#6b7689; --line:#e3e8f0;
  --brand:#1f3a5f; --brand-ink:#fff; --accent:#2f6fed; --accent-soft:#e8f0ff;
  --ok:#14804a; --ok-soft:#e3f6ec; --warn:#a15c00; --warn-soft:#fff2d9;
  --bad:#c0392b; --bad-soft:#fdeaea; --info:#1d5fb8; --info-soft:#e4efff;
  --sun:#fff6f2; --today:#fff9e3; --radius:12px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0f141c; --card:#171e29; --ink:#e8edf5; --mute:#93a0b5; --line:#263143;
    --brand:#0d2038; --accent:#6a9bff; --accent-soft:#1d2c4a;
    --ok:#52d391; --ok-soft:#123324; --warn:#f2b44d; --warn-soft:#3a2d12;
    --bad:#ff8a7a; --bad-soft:#3a1c1a; --info:#7fb2ff; --info-soft:#18294a;
    --sun:#1f1a1a; --today:#2a2612;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-text-size-adjust:100%}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0}
.hide{display:none!important}

/* header + tabs */
.top{background:var(--brand);color:var(--brand-ink);padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top));display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:20}
.brand{font-weight:700;font-size:18px;display:flex;align-items:center;gap:8px;flex:1}
.brand svg{width:26px;height:26px}
.who{display:flex;align-items:center;gap:8px;font-size:13px}
.who .role{background:rgba(255,255,255,.18);border-radius:99px;padding:2px 9px;font-size:12px}
.who .nm{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.top .btn.ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.tabs{display:flex;gap:4px;background:var(--card);border-bottom:1px solid var(--line);padding:0 12px;position:sticky;top:calc(48px + env(safe-area-inset-top));z-index:15}
.tab{border:0;background:none;padding:13px 14px;font-weight:600;color:var(--mute);border-bottom:3px solid transparent;cursor:pointer;white-space:nowrap}
.tab.on{color:var(--accent);border-bottom-color:var(--accent)}
main{max-width:1180px;margin:0 auto;padding:16px 16px 90px}
@media (max-width:640px){
  .tabs{position:fixed;top:auto;bottom:0;left:0;right:0;border-top:1px solid var(--line);border-bottom:0;padding:0 0 env(safe-area-inset-bottom);justify-content:space-around;gap:0;z-index:30}
  .tab{flex:1;padding:12px 4px;font-size:13px;border-bottom:0;border-top:3px solid transparent}
  .tab.on{border-top-color:var(--accent)}
  .who .nm{display:none}
  main{padding:12px 10px 90px}
}

/* generic */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.btn{border:1px solid var(--line);background:var(--card);border-radius:9px;padding:8px 14px;cursor:pointer;font-weight:600;min-height:38px}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.danger{color:var(--bad)}
.btn.ghost{background:transparent}
.btn.sm{padding:4px 10px;min-height:30px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,select,textarea{border:1px solid var(--line);background:var(--card);border-radius:9px;padding:8px 10px;min-height:38px;width:100%}
input:focus,select:focus,textarea:focus,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
label{display:block;font-size:13px;color:var(--mute);font-weight:600}
label input,label select{margin-top:4px;color:var(--ink);font-weight:400}
.muted{color:var(--mute)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.chip{display:inline-block;border-radius:99px;padding:2px 10px;font-size:12.5px;font-weight:600;background:var(--line);color:var(--mute);white-space:nowrap}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.info{background:var(--info-soft);color:var(--info)}
.err{color:var(--bad);font-size:13px;min-height:18px}
.hint{font-size:13px;color:var(--mute)}

/* login */
.login{max-width:400px;margin:8vh auto 0;padding:0 16px}
.login .card{display:grid;gap:12px}
.login h1{font-size:22px;display:flex;align-items:center;gap:10px}
.login h1 svg{width:34px;height:34px;border-radius:8px}

/* week bar */
.weekbar{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.weekbar h2{font-size:17px;flex:1;min-width:180px}
.weekbar h2 small{display:block;font-size:12.5px;color:var(--mute);font-weight:500}

/* plan grid */
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);max-height:calc(100vh - 230px)}
table{border-collapse:separate;border-spacing:0;width:100%}
.grid{min-width:820px}
.grid th,.grid td{padding:8px 6px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);text-align:center;vertical-align:middle}
.grid th:last-child,.grid td:last-child{border-right:0}
.grid thead th{position:sticky;top:0;background:var(--card);z-index:3;font-size:13px;line-height:1.2}
.grid thead th small{display:block;color:var(--mute);font-weight:500;margin-top:2px;font-size:12px}
.grid .name{position:sticky;left:0;background:var(--card);text-align:left;font-weight:600;min-width:140px;max-width:180px;z-index:2;padding-left:12px}
.grid thead .name{z-index:4}
.grid th.sun,.grid td.sun{background:var(--sun)}
.grid th.today,.grid td.today{background:var(--today)}
.grid tr.me td.name{box-shadow:inset 3px 0 0 var(--accent)}
.grid tr.me td{background-image:linear-gradient(var(--accent-soft),var(--accent-soft))}
.grid tfoot td{position:sticky;bottom:0;background:var(--card);font-weight:700;border-top:2px solid var(--line);z-index:2}
.grid tfoot .name{z-index:4}
.grid .tot{font-weight:700;min-width:84px}
.grid select{padding:6px 4px;min-height:36px;font-size:13.5px;text-align:center;text-align-last:center;min-width:92px}
.grid select.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:700}
.slot{display:inline-block;background:var(--accent-soft);color:var(--accent);border-radius:8px;padding:3px 8px;font-size:13px;font-weight:600;white-space:nowrap}
.slot small{display:block;font-weight:500;opacity:.8;font-size:11.5px}
.dash{color:var(--line)}
.legend{margin-top:10px;font-size:13px;color:var(--mute)}

/* confirm tab */
.days{display:grid;gap:8px}
.day{display:grid;grid-template-columns:78px 1fr auto;gap:6px 12px;align-items:center;padding:12px 14px}
.day.today{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.day.sun{background:var(--sun)}
.day .dn{font-weight:700;line-height:1.15}
.day .dn small{display:block;font-weight:500;color:var(--mute)}
.day .info{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.day .act{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.day .edit{grid-column:1/-1;display:flex;gap:8px;align-items:center;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:10px}
.day .edit input{width:110px}
.qk{display:flex;gap:4px;flex-wrap:wrap}
@media (max-width:640px){
  .day{grid-template-columns:62px 1fr}
  .day .act{grid-column:1/-1;justify-content:flex-start}
  .day .act .btn{flex:1}
}
.sumbar{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}
.sumbar .card{flex:1;min-width:140px;padding:12px 14px}
.stat{font-size:24px;font-weight:800;line-height:1.1}
.stat small{font-size:13px;font-weight:600;color:var(--mute)}

/* report */
.subtabs{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.pill{border:1px solid var(--line);background:var(--card);border-radius:99px;padding:6px 14px;cursor:pointer;font-weight:600;color:var(--mute)}
.pill.on{background:var(--accent);border-color:var(--accent);color:#fff}
.filters{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:14px}
.filters label{min-width:140px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-bottom:14px}
.cards .card{padding:12px 14px}
.cards .lbl{font-size:13px;color:var(--mute);font-weight:600}
.rep{min-width:760px}
.rep th,.rep td{padding:10px 10px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
.rep th:first-child,.rep td:first-child{text-align:left}
.rep thead th{background:var(--card);font-size:12.5px;color:var(--mute);position:sticky;top:0}
.rep tbody tr.u{cursor:pointer}
.rep tbody tr.u:hover td{background:var(--accent-soft)}
.rep tfoot td{font-weight:800;background:var(--card)}
.rep .money{font-weight:800}
.rep .det td{background:var(--bg);text-align:left;padding:10px 14px;white-space:normal}
.det table{width:100%;max-width:640px}
.det td,.det th{padding:5px 8px!important;font-size:13px;background:transparent!important;border-bottom:1px solid var(--line);position:static!important}
.caret{display:inline-block;width:14px;color:var(--mute);transition:transform .15s}
tr.open .caret{transform:rotate(90deg)}
.staff{width:100%;min-width:640px}
.staff th,.staff td{padding:8px;border-bottom:1px solid var(--line);text-align:left}
.staff input,.staff select{min-height:34px;padding:5px 8px}
.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;align-items:end}
.hol{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.hol .chip button{border:0;background:none;color:inherit;cursor:pointer;font-weight:800;padding:0 0 0 6px}

/* dialog + toast */
dialog{border:0;border-radius:14px;padding:0;max-width:92vw;width:380px;background:var(--card);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.35)}
dialog::backdrop{background:rgba(10,15,25,.5)}
.dlgform{padding:18px;display:grid;gap:12px}
.dlgform .row{flex-direction:row-reverse;justify-content:flex-start}
#toast{position:fixed;left:50%;bottom:84px;transform:translate(-50%,20px);background:#1b2333;color:#fff;padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;z-index:100;max-width:90vw;text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast.bad{background:#b3261e}
.loading{padding:40px;text-align:center;color:var(--mute)}

.det th,.det td{text-align:left!important}
@media (max-width:640px){.weekbar h2{min-width:0}.weekbar{flex-wrap:nowrap}.weekbar .btn{padding:8px 12px}}