:root {
  --paper: #F6F7F9; --surface: #FFFFFF; --ink: #1B2233; --ink-2: #5A6478; --rule: #D5DAE3;
  --blue: #2747C9; --blue-soft: #E7ECFB; --amber: #D99A00; --amber-soft: #FFF4D6;
  --red: #C2362B; --red-soft: #FBE7E5; --green: #2E7D52; --green-soft: #E3F2EA; --grey: #8A93A6;
  --radius-s: 6px; --radius-m: 10px;
  --font: "Atkinson Hyperlegible Next", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12161F; --surface: #1A1F2B; --ink: #E7EAF0; --ink-2: #A0A8B8; --rule: #2C3343;
    --blue: #7D95F2; --blue-soft: #232C47; --amber: #F0B429; --amber-soft: #3A3018;
    --red: #F07A6E; --red-soft: #3D2321; --green: #6CC596; --green-soft: #1C3328; --grey: #7B8396;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.5 var(--font); font-variant-numeric: tabular-nums; }
a { color: var(--blue); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.muted { color: var(--ink-2); }
.small { font-size: .875rem; }

/* ---------- header */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--rule); }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 1.125rem; }
.brand img { height: 28px; }
.nav { display: flex; gap: 2px; overflow-x: auto; flex: 1; }
.nav a { padding: 6px 12px; border-radius: var(--radius-s); text-decoration: none; color: var(--ink-2); white-space: nowrap; }
.nav a[aria-current="page"] { background: var(--blue-soft); color: var(--blue); font-weight: 700; }
.nav .count { display: inline-block; min-width: 20px; margin-left: 4px; padding: 0 6px; border-radius: 10px; background: var(--red); color: #fff; font-size: .75rem; text-align: center; }
.who { font-size: .875rem; color: var(--ink-2); display: flex; gap: 10px; align-items: center; }
@media (max-width: 640px) { .nav { order: 3; flex-basis: 100%; } }

.view { max-width: 980px; margin: 0 auto; padding: 20px 16px 120px; }
.foot { text-align: center; color: var(--ink-2); font-size: .8125rem; padding: 24px 16px 96px; }

h1 { font-size: 1.625rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.25rem; margin: 28px 0 8px; }

/* ---------- controls */
.btn { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 8px 16px; border-radius: var(--radius-s);
  border: 1px solid var(--rule); background: var(--surface); cursor: pointer; font-weight: 500; text-decoration: none; color: var(--ink); }
.btn:hover { border-color: var(--ink-2); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 700; }
.btn.danger { color: var(--red); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.field > span { font-size: .875rem; color: var(--ink-2); }
input[type=text], input[type=time], input[type=date], input[type=month], select, textarea {
  min-height: 44px; padding: 8px 10px; border: 1px solid var(--rule); border-radius: var(--radius-s); background: var(--surface); }
textarea { min-height: 72px; width: 100%; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 16px; }

/* ---------- register header */
.reghead { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.datestep { display: flex; align-items: center; gap: 4px; }
.datestep .btn { padding: 8px 12px; }
.banner { padding: 10px 14px; border-radius: var(--radius-s); margin: 12px 0; border-left: 4px solid var(--blue); background: var(--blue-soft); }
.banner.warn { border-color: var(--amber); background: var(--amber-soft); }
.banner.red { border-color: var(--red); background: var(--red-soft); }

/* ---------- the register: ruled rows with a status edge */
.register { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-m); overflow: hidden; }
.reg { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; padding: 14px 16px 14px 18px; border-top: 1px solid var(--rule); border-left: 5px solid var(--rule); }
.reg:first-child { border-top: 0; }
.reg[data-s="present"] { border-left-color: var(--green); }
.reg[data-s="present"][data-late="1"] { border-left-color: var(--amber); }
.reg[data-s="weekly_off"] { border-left-color: var(--grey); }
.reg[data-s="paid_leave"] { border-left-color: var(--blue); }
.reg[data-s="sick"] { border-left-color: #8A5CC2; }
.reg[data-s="absent"] { border-left-color: var(--red); }
.reg .who-cell b { font-size: 1.0625rem; }
.reg .meta { font-size: .875rem; color: var(--ink-2); }
.tag { display: inline-block; padding: 0 8px; border-radius: 10px; font-size: .75rem; background: var(--paper); border: 1px solid var(--rule); color: var(--ink-2); margin-left: 6px; vertical-align: 2px; }
.statuses { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; }
.chip { min-height: 40px; padding: 6px 12px; border-radius: 20px; border: 1px solid var(--rule); background: var(--surface); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); font-weight: 700; }
.extra { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.arrival { font-size: 1.25rem; font-weight: 700; min-width: 9.5em; text-align: center; }
.pending { grid-column: 1 / -1; font-size: .875rem; color: var(--amber); }
.pending { color: var(--ink-2); background: var(--amber-soft); padding: 6px 10px; border-radius: var(--radius-s); }

/* ---------- the signature: half-hour late steps */
.steps { display: inline-flex; gap: 3px; vertical-align: middle; }
.steps i { width: 12px; height: 18px; border-radius: 2px; background: var(--amber); display: block; }
.steps i.off { background: transparent; border: 1px solid var(--rule); }
.steps + .lbl { margin-left: 8px; font-size: .875rem; color: var(--ink-2); }

/* ---------- sticky save bar */
.savebar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; background: var(--surface); border-top: 1px solid var(--rule);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); display: flex; justify-content: center; }
.savebar .inner { width: 100%; max-width: 980px; display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }

/* ---------- tables */
.tablewrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-m); }
table { border-collapse: collapse; width: 100%; font-size: .9375rem; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
th { font-weight: 500; color: var(--ink-2); white-space: nowrap; }
td.num, th.num { text-align: right; }
tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--paper); }
.lop { color: var(--red); font-weight: 700; }
.days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin: 8px 0; }
.day { font-size: .75rem; padding: 4px; border-radius: 4px; background: var(--paper); border: 1px solid var(--rule); min-height: 48px; }
.day b { display: block; }
.day.lopd { background: var(--red-soft); border-color: var(--red); }
.day.late { background: var(--amber-soft); }
.day.unm { border-style: dashed; }

/* ---------- status board (owner) */
.board { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-m); overflow: hidden; }
.board > div { padding: 16px; border-right: 1px solid var(--rule); }
.board > div:last-child { border-right: 0; }
.board .big { font-size: 2rem; font-weight: 700; line-height: 1.1; }
.done { color: var(--green); } .notdone { color: var(--red); }

/* ---------- dialog & toast */
dialog { border: 1px solid var(--rule); border-radius: var(--radius-m); background: var(--surface); color: var(--ink); width: min(560px, calc(100% - 24px)); padding: 20px; }
dialog::backdrop { background: rgb(10 14 24 / .5); }
.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); background: var(--ink); color: var(--surface); padding: 10px 16px; border-radius: var(--radius-s); opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100% - 32px); }
.toast.show { opacity: 1; }
.toast.err { background: var(--red); color: #fff; }
@media (prefers-reduced-motion: reduce) { .toast { transition: none; } }
.signin { max-width: 420px; margin: 12vh auto; text-align: center; }