:root {
  --bg: #f4f6f8; --card: #fff; --text: #17202a; --muted: #64707d; --line: #e2e7ec;
  --brand: #0f766e; --brand-soft: #e6f4f2; --danger: #b42318; --danger-soft: #fdecea;
  --warn: #b54708; --warn-soft: #fef3e2; --ok: #067647; --ok-soft: #e7f6ee;
  --c-W: #e7f6ee; --c-W-t: #067647; --c-OFF: #eef1f4; --c-OFF-t: #64707d;
  --c-VAC: #e8f0fe; --c-VAC-t: #1d4ed8; --c-SICK: #fef3e2; --c-SICK-t: #b54708;
  --c-ABS: #fdecea; --c-ABS-t: #b42318;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1418; --card: #182027; --text: #e7edf2; --muted: #93a1ad; --line: #2a343d;
    --brand: #2dd4bf; --brand-soft: #123b37; --danger: #f97066; --danger-soft: #3b1715;
    --warn: #fdb022; --warn-soft: #3a2a0c; --ok: #47cd89; --ok-soft: #10301f;
    --c-W: #10301f; --c-W-t: #47cd89; --c-OFF: #222b33; --c-OFF-t: #93a1ad;
    --c-VAC: #172a4d; --c-VAC-t: #84adff; --c-SICK: #3a2a0c; --c-SICK-t: #fdb022;
    --c-ABS: #3b1715; --c-ABS-t: #f97066;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--brand); }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 16px; }
.narrow { max-width: 480px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }

.btn { border: 1px solid var(--line); background: var(--card); padding: 8px 14px; border-radius: 10px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
@media (prefers-color-scheme: dark) { .btn.primary { color: #062420; } }
.btn.danger { color: var(--danger); }
.btn.link { border: none; background: none; color: var(--brand); padding: 4px 6px; }
.btn:disabled { opacity: .5; cursor: default; }
.big-btn { width: 100%; padding: 22px; font-size: 20px; font-weight: 600; border-radius: 16px; border: none; cursor: pointer; background: var(--brand); color: #fff; }
.big-btn.out { background: #b45309; }
@media (prefers-color-scheme: dark) { .big-btn { color: #062420; } .big-btn.out { background: #fdb022; } }

label.f { display: block; margin-bottom: 10px; }
label.f > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 3px; }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=month], select, textarea {
  width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--card);
}
input[type=month], select.inline, input.inline { width: auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
@media (max-width: 560px) { .grid2 { grid-template-columns: 1fr; } }

header.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
header.top .bar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; max-width: 1200px; margin: 0 auto; }
header.top .logo { font-weight: 700; color: var(--brand); font-size: 18px; }
nav.tabs { display: flex; gap: 2px; overflow-x: auto; padding: 0 12px; max-width: 1200px; margin: 0 auto; }
nav.tabs a { padding: 9px 12px; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
nav.tabs a.on { color: var(--brand); border-color: var(--brand); font-weight: 600; }

table.t { border-collapse: collapse; width: 100%; }
table.t th, table.t td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
table.t th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }
table.t td.num, table.t th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.t tr.click { cursor: pointer; }
table.t tr.click:hover td { background: var(--brand-soft); }
table.t tfoot td { font-weight: 700; border-bottom: none; }
.scroll { overflow-x: auto; }

/* time table grid */
.ts { border-collapse: separate; border-spacing: 0; font-size: 13px; }
.ts th, .ts td { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: center; padding: 0; }
.ts thead th { position: sticky; top: 0; background: var(--card); z-index: 2; padding: 4px 0; font-weight: 600; min-width: 34px; }
.ts thead th.we { color: var(--danger); }
.ts .name { position: sticky; left: 0; background: var(--card); z-index: 1; text-align: left; padding: 6px 10px; min-width: 170px; max-width: 220px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ts thead .name { z-index: 3; }
.ts td.cell { cursor: pointer; height: 38px; min-width: 34px; position: relative; }
.ts td.cell:hover { outline: 2px solid var(--brand); outline-offset: -2px; }
.ts td.cell.we { background: repeating-linear-gradient(135deg, transparent 0 6px, var(--line) 6px 7px); }
.ts td.today { box-shadow: inset 0 0 0 2px var(--brand); }
.ts .tot { padding: 4px 8px; font-variant-numeric: tabular-nums; font-weight: 600; min-width: 38px; }
.code { display: inline-block; min-width: 26px; padding: 2px 3px; border-radius: 6px; font-weight: 700; font-size: 12px; }
.code.W { background: var(--c-W); color: var(--c-W-t); }
.code.OFF { background: var(--c-OFF); color: var(--c-OFF-t); }
.code.VAC { background: var(--c-VAC); color: var(--c-VAC-t); }
.code.SICK { background: var(--c-SICK); color: var(--c-SICK-t); }
.code.ABS { background: var(--c-ABS); color: var(--c-ABS-t); }
.code.manual { box-shadow: inset 0 -2px 0 currentColor; }
.code.open { outline: 1px dashed currentColor; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--muted); }

.pill { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.pill.in { background: var(--ok-soft); color: var(--ok); }
.pill.left { background: var(--c-OFF); color: var(--muted); }
.pill.none { background: var(--warn-soft); color: var(--warn); }
.pill.VAC { background: var(--c-VAC); color: var(--c-VAC-t); }
.pill.SICK { background: var(--c-SICK); color: var(--c-SICK-t); }
.pill.ABS { background: var(--c-ABS); color: var(--c-ABS-t); }
.pill.OFF { background: var(--c-OFF); color: var(--c-OFF-t); }

.board { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.person { display: flex; gap: 12px; align-items: center; }
.thumb { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; background: var(--line); flex: none; cursor: zoom-in; }
.thumb.ph { display: grid; place-items: center; color: var(--muted); font-size: 22px; cursor: default; }
.selfies { display: flex; gap: 10px; flex-wrap: wrap; }
.selfies figure { margin: 0; text-align: center; font-size: 13px; }
.selfies img { width: 140px; height: 140px; object-fit: cover; border-radius: 10px; background: var(--line); display: block; }

.stat { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat .card { margin: 0; text-align: center; }
.stat b { display: block; font-size: 26px; }
.status-line { font-size: 18px; font-weight: 600; margin-bottom: 14px; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 20; display: grid; place-items: center; padding: 16px; }
.modal-box { background: var(--card); border-radius: 16px; padding: 18px; width: 100%; max-width: 560px; max-height: calc(100vh - 32px); overflow: auto; }
.camera { position: relative; background: #000; border-radius: 14px; overflow: hidden; aspect-ratio: 3/4; }
.camera video, .camera img { width: 100%; height: 100%; object-fit: cover; display: block; transform: scaleX(-1); }
.camera img { transform: none; }
.codes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0; }
.codes .btn { padding: 10px 6px; }
.codes .btn.sel { border: 2px solid var(--brand); font-weight: 700; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; z-index: 30; max-width: calc(100% - 32px); }
.err { color: var(--danger); background: var(--danger-soft); padding: 10px 12px; border-radius: 10px; margin: 10px 0; }
.okmsg { color: var(--ok); background: var(--ok-soft); padding: 10px 12px; border-radius: 10px; margin: 10px 0; }
.warnrow td { background: var(--warn-soft); }
.lang { font-size: 13px; }
[hidden] { display: none !important; }