:root{
  --ground:#e9edf1; --surface:#ffffff; --surface-2:#f3f6f9;
  --ink:#172029; --ink-2:#4c5a68; --ink-3:#7f8d9b;
  --line:#d3dae1; --line-2:#e5eaef;
  --amber:#b46512; --amber-soft:#f6e7d4;
  --green:#2c6a4f; --green-soft:#dfeee7;
  --red:#a33a2c; --red-soft:#f7e2de;
  --shadow:0 1px 2px rgba(23,32,41,.06),0 6px 20px rgba(23,32,41,.05);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#0f151b; --surface:#19222b; --surface-2:#1f2933;
    --ink:#e4ebf1; --ink-2:#a6b4c1; --ink-3:#76858f;
    --line:#2c3945; --line-2:#232e39;
    --amber:#e2a154; --amber-soft:#39291a;
    --green:#6fc39c; --green-soft:#1b2f27;
    --red:#e08a7a; --red-soft:#33201d;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 20px rgba(0,0,0,.3);
  }
}
:root[data-theme="dark"]{
  --ground:#0f151b; --surface:#19222b; --surface-2:#1f2933;
  --ink:#e4ebf1; --ink-2:#a6b4c1; --ink-3:#76858f;
  --line:#2c3945; --line-2:#232e39;
  --amber:#e2a154; --amber-soft:#39291a;
  --green:#6fc39c; --green-soft:#1b2f27;
  --red:#e08a7a; --red-soft:#33201d;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 20px rgba(0,0,0,.3);
}

*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);
  font-family:"Noto Sans TC",-apple-system,"Microsoft JhengHei",sans-serif;
  font-size:15px;line-height:1.6;-webkit-text-size-adjust:100%}
.wrap{max-width:640px;margin:0 auto;padding:18px 14px 60px;display:flex;flex-direction:column;gap:16px}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.lab{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-3)}

/* gate */
.gate{position:fixed;inset:0;background:var(--ground);display:grid;place-items:center;padding:20px;z-index:20}
.gatebox{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px 22px;
  box-shadow:var(--shadow);width:100%;max-width:320px;display:flex;flex-direction:column;gap:11px;text-align:center}
.gatebox h1{margin:0;font-size:26px;letter-spacing:.08em}
.pinfield{border:1px solid var(--line);background:var(--surface-2);color:var(--ink);border-radius:9px;
  padding:13px;font-size:22px;text-align:center;letter-spacing:.4em;width:100%}

header{display:flex;flex-direction:column;gap:12px}
.brand{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap}
h1{font-size:19px;font-weight:700;margin:0;letter-spacing:.02em;text-wrap:balance}
.monthbar{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);
  border-radius:10px;padding:6px;box-shadow:var(--shadow)}
.monthbar .m{flex:1;text-align:center;font-size:17px;font-weight:600;letter-spacing:.04em}
.nav{width:38px;height:34px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);
  border-radius:7px;font-size:15px;cursor:pointer}
.nav:hover{border-color:var(--amber);color:var(--amber)}

.cluster{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 11px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:3px}
.tile .v{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;font-size:20px;
  font-weight:600;line-height:1.15;letter-spacing:-.01em}
.tile.hi{border-color:var(--amber)} .tile.hi .v{color:var(--amber)}
.tile .u{font-size:11px;color:var(--ink-3)}

.meter{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:11px 13px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:7px}
.meter .row{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.meter .num{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;font-size:13px;color:var(--ink-2)}
.track{height:6px;background:var(--surface-2);border-radius:3px;overflow:hidden;border:1px solid var(--line-2)}
.fill{height:100%;background:var(--green);width:0;transition:width .3s ease}
.fill.warn{background:var(--amber)} .fill.over{background:var(--red)}

.punch{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:13px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.punch .today{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.punch .d{font-size:15px;font-weight:600}
.btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
button.act{border:1px solid var(--line);background:var(--surface-2);color:var(--ink);border-radius:8px;
  padding:11px 8px;font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:.15s}
button.act:hover{border-color:var(--amber);color:var(--amber)}
button.act:active{transform:translateY(1px)}
button.act.solid{background:var(--ink);color:var(--ground);border-color:var(--ink)}
button.act.solid:hover{background:var(--amber);border-color:var(--amber);color:#fff}
button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

.list{display:flex;flex-direction:column;gap:6px}
.sec{display:flex;align-items:center;gap:9px;margin-top:4px}
.sec::after{content:"";flex:1;height:1px;background:var(--line-2)}
.day{background:var(--surface);border:1px solid var(--line-2);border-radius:9px;padding:9px 11px;
  display:flex;flex-direction:column;gap:8px}
.day.on{border-color:var(--line)}
.day.wknd{background:var(--surface-2)}
.day.today{border-color:var(--amber);box-shadow:0 0 0 2px var(--amber-soft)}
.dhead{display:flex;align-items:center;gap:9px}
.dnum{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;font-size:15px;font-weight:600;min-width:36px}
.dwk{font-size:12px;color:var(--ink-3);min-width:20px}
select.type{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface);color:var(--ink);
  border-radius:7px;padding:5px 7px;font-family:inherit;font-size:13px}
.dpay{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;font-size:13px;
  font-weight:600;color:var(--green);white-space:nowrap}
.dpay.zero{color:var(--ink-3);font-weight:400}
.dbody{display:grid;grid-template-columns:1fr 1fr auto;gap:7px;align-items:end}
.f{display:flex;flex-direction:column;gap:3px;min-width:0}
.f input{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:7px;
  padding:7px;font-family:"IBM Plex Mono",monospace;font-size:14px;width:100%}
.f.note{grid-column:1/-1} .f.note input{font-family:inherit;font-size:13px}
.f.rest input{width:62px;text-align:center}
.dcalc{display:flex;flex-wrap:wrap;gap:5px;align-items:center}
.chip{font-family:"IBM Plex Mono",monospace;font-size:11px;padding:2px 7px;border-radius:20px;
  background:var(--surface-2);border:1px solid var(--line-2);color:var(--ink-2);white-space:nowrap}
.chip.ot{background:var(--amber-soft);border-color:transparent;color:var(--amber)}
.chip.bad{background:var(--red-soft);border-color:transparent;color:var(--red)}
.chip.ok{background:var(--green-soft);border-color:transparent;color:var(--green)}
.copyday{margin-left:auto;border:none;background:none;color:var(--ink-3);font-family:inherit;
  font-size:12px;cursor:pointer;padding:2px 4px;border-radius:5px}
.copyday:hover{color:var(--amber)}

.foot{display:flex;flex-direction:column;gap:9px}
.fine{font-size:11.5px;color:var(--ink-3);line-height:1.65;margin:0}
.fine b{color:var(--ink-2);font-weight:500}

#toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,14px);background:var(--ink);
  color:var(--ground);padding:10px 18px;border-radius:22px;font-size:13.5px;opacity:0;
  pointer-events:none;transition:.24s;z-index:30;box-shadow:0 8px 26px rgba(0,0,0,.25)}
#toast.show{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media (max-width:420px){
  .dbody{grid-template-columns:1fr 1fr}
  .f.rest{grid-column:1/-1;flex-direction:row;align-items:center;gap:8px}
}


/* ---------- admin ---------- */
.wrap.wide{max-width:1000px}
.adminbar{display:flex;flex-wrap:wrap;gap:8px}
.adminbar .act{flex:1;min-width:130px}
.tablewrap{background:var(--surface);border:1px solid var(--line);border-radius:10px;
  box-shadow:var(--shadow);overflow-x:auto}
table.rec{width:100%;border-collapse:collapse;font-size:13px;min-width:760px}
table.rec th,table.rec td{border-bottom:1px solid var(--line-2);padding:7px 9px;text-align:left;white-space:nowrap}
table.rec thead th{background:var(--surface-2);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-3);font-family:"IBM Plex Mono",monospace;font-weight:500;position:sticky;top:0}
table.rec td.n{text-align:right;font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
table.rec tr.wknd td{background:var(--surface-2)}
table.rec tr.blank td{color:var(--ink-3)}
table.rec tfoot td{font-weight:700;background:var(--surface-2);border-top:2px solid var(--line)}
.badge{font-size:11px;padding:1px 7px;border-radius:20px;background:var(--surface-2);
  border:1px solid var(--line-2);color:var(--ink-2)}
.badge.w{background:var(--amber-soft);border-color:transparent;color:var(--amber)}
.badge.h{background:var(--green-soft);border-color:transparent;color:var(--green)}
.settings{background:var(--surface);border:1px solid var(--line-2);border-radius:10px;padding:12px 14px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:end}
.settings .f input{width:120px}
.printhead{display:none}
.signrow{display:none}

@media print{
  @page{size:A4;margin:14mm}
  body{background:#fff;color:#000;font-size:11pt}
  .wrap{max-width:100%;padding:0;gap:10px}
  .adminbar,.settings,.meter,#toast,.gate,.monthbar .nav,.auditwrap{display:none!important}
  .printhead{display:block!important;margin-bottom:6px}
  .printhead h2{margin:0 0 2px;font-size:16pt;letter-spacing:2px;text-align:center}
  .printhead p{margin:0;text-align:center;font-size:10pt;color:#444}
  .tablewrap{border:none;box-shadow:none;overflow:visible}
  table.rec{min-width:0;font-size:9.5pt}
  table.rec th,table.rec td{border-bottom:1px solid #ccc;padding:3px 5px}
  table.rec thead th{background:#eee;color:#000}
  table.rec tr.wknd td{background:#f6f6f6}
  table.rec tfoot td{background:#eee}
  .cluster{display:grid!important;grid-template-columns:repeat(4,1fr)}
  .tile{border:1px solid #ccc;box-shadow:none}
  .signrow{display:flex!important;gap:50px;margin-top:24px;padding-top:12px;border-top:1px solid #999;font-size:10pt}
  .signrow div{flex:1}
}