:root{--ground:#F4F5F7;--surface:#fff;--line:#DDE1E6;--line2:#EEF0F3;--ink:#1B2430;--muted:#55606E;--head:#1B2430;--accent:#1F5F8B;--warn:#8A5200;--warnbg:#FDF1DC;--ok:#1E5C38;--okbg:#E5F1EA;--out:#B26A00;--sel:#E8F0F7}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#F4F5F7;color:var(--ink);font-family:'IBM Plex Sans Thai',system-ui,sans-serif;font-size:14px;line-height:1.55}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mono,.num{font-family:'IBM Plex Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums}
h1{margin:0;font-size:24px;font-weight:700;line-height:1.4}
h2{margin:0;font-size:16px;font-weight:700;line-height:1.5}
p{margin:0}

.topbar{background:var(--head);color:#fff;padding:6px 24px;min-height:58px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px}
.topbar :focus-visible{outline-color:#fff}
.brand{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 14px;min-width:0}
.brand .name{font-size:18px;font-weight:700}
.brand .sub{font-size:12px;color:#B8C2CE}
.tabs{display:flex;flex-wrap:wrap;gap:4px;margin-left:auto}
.tabs a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:8px;color:#C9D2DC;text-decoration:none;font-size:14px}
.tabs a[aria-current=page]{background:#2E3A48;color:#fff;font-weight:600}
.reset{min-height:44px;padding:0 14px;border-radius:8px;border:1px solid #4A586A;background:transparent;color:#E6EBF0}
.reset:hover{background:#2E3A48}

main{display:block}
.page{padding:20px 24px;display:flex;flex-direction:column;gap:16px;max-width:1280px;margin:0 auto}
.phone{width:100%;max-width:430px;margin:0 auto;padding:14px 16px 28px;display:flex;flex-direction:column;gap:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-width:0}
.pagehead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.pagehead .meta{font-size:13px;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:12px}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}

.btn{min-height:44px;padding:0 16px;border-radius:10px;border:1px solid #C9D0D8;background:#fff;color:var(--ink);font-weight:500}
.btn:hover:not(:disabled){background:#F4F5F7}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.btn.primary:hover:not(:disabled){background:#194F74}
.btn:disabled{background:#C9D0D8;border-color:#C9D0D8;color:#3D4855}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:12px;color:var(--muted)}
.field input,.field select,.field textarea{min-height:44px;border:1px solid #C9D0D8;border-radius:10px;padding:8px 10px;background:#fff;width:100%}
.field textarea{min-height:76px;resize:vertical}

/* employee screen */
.who{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 14px}
.who .n{font-size:17px;font-weight:700;display:block}
.who .r{font-size:12px;color:var(--muted)}
.clockrow{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:6px}
.big{font-size:44px;font-weight:600;letter-spacing:-.02em;line-height:1.2}
.pill{font-size:13px;font-weight:600;border-radius:20px;padding:4px 12px;background:#E8ECF1;color:#3D4855}
.pill.on{background:var(--okbg);color:var(--ok)}
.sim{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end}
.sim .field{flex:1 1 140px}
.cam{position:relative;height:250px;border-radius:16px;overflow:hidden;background:linear-gradient(170deg,#3A4655,#232B35);display:flex;align-items:center;justify-content:center}
.cam video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1);display:none}
.cam.live video{display:block}
.cam svg{position:relative;z-index:1}
.cam .tag{position:absolute;left:12px;top:10px;z-index:2;font-size:12px;color:#E6EBF0;background:rgba(0,0,0,.45);border-radius:6px;padding:2px 8px}
.cam .hint{position:absolute;left:0;right:0;bottom:10px;z-index:2;text-align:center;font-size:13px;color:#E6EBF0;text-shadow:0 1px 2px rgba(0,0,0,.6)}
.geo{display:flex;align-items:flex-start;gap:8px;background:var(--okbg);color:var(--ok);border-radius:10px;padding:8px 12px;font-size:13px}
.geo.bad{background:var(--warnbg);color:var(--warn)}
.geo svg{flex:none;margin-top:3px}
.alert{background:var(--warnbg);color:var(--warn);border-radius:10px;padding:8px 12px;font-size:13px;font-weight:500}
.punch{min-height:56px;width:100%;border:0;border-radius:14px;font-size:18px;font-weight:600;background:var(--accent);color:#fff}
.punch.out{background:var(--out)}
.punch:disabled{background:#C9D0D8;color:#3D4855}
.logrow{display:flex;align-items:center;gap:10px;font-size:13px;padding:4px 0}
.logrow .lab{flex:1;min-width:0}
.thumb{width:36px;height:36px;border-radius:8px;object-fit:cover;background:#3A4655;flex:none;display:block}
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.tile{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 10px;display:flex;flex-direction:column;min-width:0}
.tile .k{font-size:12px;color:var(--muted)}
.tile .v{font-size:18px;font-weight:600;line-height:1.4}
.tile .v small{font-family:inherit;font-size:12px;font-weight:500}
.rule{font-size:12px;color:var(--muted)}

/* admin */
.tiles4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.tiles4 .tile{border-radius:12px;padding:12px 14px}
.tiles4 .v{font-size:24px}
.split{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start}
.split>.main{flex:999 1 560px;min-width:0}
.split>.side{flex:1 1 320px;min-width:0}
.tblbox{background:#fff;border:1px solid var(--line);border-radius:12px;overflow-x:auto}
table{border-collapse:collapse;width:100%}
th{font-size:12px;font-weight:400;color:var(--muted);text-align:right;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{text-align:left}
td{padding:6px 12px;border-bottom:1px solid var(--line2);text-align:right;vertical-align:middle}
tr.sel{cursor:pointer}
tr.sel.on{background:var(--sel)}
tr.sel:hover{background:#F0F4F8}
tr.sel.on:hover{background:var(--sel)}
.att{min-width:620px}
.pay{min-width:800px}
.pay td{padding:10px 12px}
.pay tfoot td{font-weight:700;background:#F7F8FA;border-bottom:0}
.rowbtn{background:none;border:0;padding:4px 0;text-align:left;min-height:44px;display:flex;flex-direction:column;justify-content:center}
.rowbtn .nm{font-weight:600}
.rowbtn .rl{font-size:12px;color:var(--muted)}
.nmcell{display:flex;flex-direction:column}
.nmcell .nm{font-weight:600}
.warn{color:var(--warn)}
.okc{color:var(--ok)}
.day{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:6px 0;border-bottom:1px solid var(--line2);font-size:13px}
.day .dd{width:52px;color:var(--muted);flex:none}
.pt{display:flex;align-items:center;gap:6px;min-width:0}
.pt .txt{display:flex;flex-direction:column}
.pt .fl{font-size:11px}
.ph{width:44px;height:44px;padding:4px;border:0;background:transparent;border-radius:10px;flex:none}
.ph:hover{background:var(--sel)}
.ph .thumb{width:36px;height:36px}
.edit{min-height:44px;padding:0 12px;border-radius:8px;border:1px solid #C9D0D8;background:#fff;margin-left:auto}
.edit:disabled{background:#EEF0F3;color:#3D4855;border-color:#DDE1E6}
.lockmsg{background:var(--warnbg);color:var(--warn);border-radius:8px;padding:6px 10px;font-size:12px}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;align-items:end}
.err{color:var(--warn);font-size:12px;font-weight:500}
select.monthsel{min-height:44px;border:1px solid #C9D0D8;border-radius:10px;padding:0 10px;background:#fff;font-weight:600}
.sset{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:10px}
details.card>summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:700;gap:8px}
.hist{display:flex;width:100%;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 10px;padding:8px 6px;min-height:44px;border:0;border-bottom:1px solid var(--line2);background:transparent;text-align:left;font-size:14px}
.hist.on{background:var(--sel)}
.hist:hover{background:#F0F4F8}
.lg{display:flex;flex-direction:column;padding:6px 0;border-bottom:1px solid var(--line2)}
.banner{background:var(--sel);border:1px solid #C5D7E6;border-radius:10px;padding:8px 12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.notice{background:var(--warnbg);color:var(--warn);padding:8px 24px;font-size:13px}
#toast{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);background:#1B2430;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;max-width:calc(100vw - 32px);z-index:50;display:none}
#toast.show{display:block}
dialog{border:0;border-radius:14px;padding:18px;max-width:min(440px,calc(100vw - 24px));width:100%;color:var(--ink);box-shadow:0 12px 40px rgba(0,0,0,.3)}
dialog::backdrop{background:rgba(20,28,38,.55)}
dialog img.big-ph{width:100%;height:auto;border-radius:10px;display:block;background:#3A4655;margin:10px 0}
dialog .acts{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;margin-top:12px}
dialog .stack{display:flex;flex-direction:column;gap:10px;margin-top:10px}

@media (max-width:700px){
  .topbar{padding:6px 16px}
  .tabs{margin-left:0;width:100%}
  .tabs a{flex:1 1 0;justify-content:center;padding:0 8px}
  .page{padding:16px}
  h1{font-size:20px}
  .tiles4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .notice{padding:8px 16px}
}