/* Lab Attendance - University of Peradeniya colours (maroon & gold) */
:root{
  --maroon:#8a1c1c; --maroon-d:#5c1010; --maroon-l:#b02a2a;
  --gold:#f2c300; --gold-d:#c79a00; --gold-soft:#fff7d6;
  --ink:#1f2430; --muted:#6b7280; --line:#e7e2da; --bg:#f7f4ef; --card:#fff;
  --ok:#15803d; --ok-bg:#e8f6ec; --live:#b02a2a; --live-bg:#fdecec; --warn:#a16207; --warn-bg:#fef6dc;
  --radius:14px; --shadow:0 1px 2px rgba(60,30,10,.05),0 6px 18px rgba(60,30,10,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.45}
a{color:var(--maroon)}
.ic{vertical-align:-3px;flex:0 0 auto}
.muted{color:var(--muted)}.small{font-size:13px}
.mono{font-family:Consolas,"SF Mono",Menlo,monospace;font-size:13.5px}
.num{color:var(--muted);width:36px}
.grow{flex:1}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:10px 22px;color:#fff;background:linear-gradient(120deg,var(--maroon-d),var(--maroon) 55%,var(--maroon-l));
  border-bottom:3px solid var(--gold);box-shadow:0 2px 10px rgba(0,0,0,.15)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{width:46px;height:46px;flex:0 0 auto;filter:drop-shadow(0 1px 3px rgba(0,0,0,.35))}
.brand-title{font-weight:700;font-size:18px;letter-spacing:.2px}
.brand-sub{font-size:12.5px;color:#f8e7a8}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{display:flex;align-items:center;gap:6px;color:#fbe9e9;text-decoration:none;padding:7px 12px;border-radius:9px;font-size:14px;transition:background .15s}
.nav a:hover{background:rgba(255,255,255,.12)}
.nav a.on{background:var(--gold);color:var(--maroon-d);font-weight:600}
.nav a.out{color:#ffd0d0}

main{max-width:1240px;margin:0 auto;padding:20px 18px 10px}
.foot{text-align:center;color:var(--muted);font-size:12px;padding:18px}

.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:4px 0 16px}
.page-head h1{display:flex;align-items:center;gap:10px;margin:0;font-size:24px;color:var(--maroon-d)}
.page-head h1 .ic{color:var(--maroon)}
.refresh b{color:var(--maroon)}

/* ---------- KPI cards ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:18px}
.kpi{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.kpi-ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--gold-soft);color:var(--maroon)}
.kpi-n{font-size:34px;font-weight:700;line-height:1.05;color:var(--ink)}
.kpi-n small{font-size:18px;color:var(--muted);font-weight:600}
.kpi-s{font-size:22px;font-weight:700}
.kpi-l{color:var(--muted);font-size:13.5px;display:flex;align-items:center;gap:6px}
.kpi-live{background:linear-gradient(135deg,var(--maroon),var(--maroon-l));border:none;color:#fff}
.kpi-live .kpi-ic{background:rgba(255,255,255,.15);color:var(--gold)}
.kpi-live .kpi-n{color:#fff;font-size:42px}.kpi-live .kpi-l{color:#fde6a6}
.kpi-ok .kpi-ic{background:var(--ok-bg);color:var(--ok)}.kpi-ok .kpi-s{color:var(--ok)}
.kpi-warn .kpi-ic{background:var(--warn-bg);color:var(--warn)}.kpi-warn .kpi-s{color:var(--warn)}
.small-kpis .kpi{padding:12px 16px}.small-kpis .kpi-n{font-size:26px}
.pulse{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 0 rgba(242,195,0,.7);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(242,195,0,.7)}70%{box-shadow:0 0 0 9px rgba(242,195,0,0)}100%{box-shadow:0 0 0 0 rgba(242,195,0,0)}}
.meter{height:7px;background:#f0ebe2;border-radius:9px;margin-top:6px;overflow:hidden}
.meter span{display:block;height:100%;background:linear-gradient(90deg,var(--gold-d),var(--gold));border-radius:9px}

/* ---------- panels ---------- */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:18px;box-shadow:var(--shadow)}
.panel h2{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0 0 14px;font-size:16.5px;color:var(--maroon-d)}
.panel h2 .ic{color:var(--maroon)}
.panel h2 .tools{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.grid2.wide-left{grid-template-columns:1.55fr 1fr}
.grid2>.panel{margin-bottom:18px}

/* ---------- lab map ---------- */
.legend{margin-left:auto;font-size:12.5px;color:var(--muted);font-weight:400;display:flex;align-items:center;gap:6px}
.lg{display:inline-block;width:12px;height:12px;border-radius:3px;margin-left:8px}
.lg.busy{background:var(--maroon)}.lg.free{background:#fff;border:1.5px dashed #cfc6b8}
.pcgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(98px,1fr));gap:9px}
.pc{border-radius:11px;padding:9px 10px;min-height:74px;display:flex;flex-direction:column;justify-content:space-between}
.pc-no{font-weight:700;font-size:14px}
.pc-user{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pc-time{font-size:11.5px;opacity:.85}
.pc.busy{background:linear-gradient(140deg,var(--maroon),var(--maroon-l));color:#fff;box-shadow:0 3px 10px rgba(138,28,28,.25);position:relative}
.pc.busy:after{content:"";position:absolute;top:9px;right:9px;width:8px;height:8px;border-radius:50%;background:var(--gold)}
.pc.free{background:#fffdf9;border:1.5px dashed #d9cfbf;color:#9b8f80}
.empty-note{color:var(--muted);text-align:center;padding:24px}

/* ---------- bar chart ---------- */
.bars{display:flex;align-items:flex-end;gap:5px;height:210px;padding-top:6px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;text-decoration:none;color:var(--muted);min-width:0}
.bar-v{font-size:11.5px;font-weight:600;color:var(--ink);margin-bottom:3px;min-height:15px}
.bar-f{width:100%;max-width:26px;background:linear-gradient(180deg,var(--maroon-l),var(--maroon));border-radius:6px 6px 2px 2px;transition:filter .15s}
.bar.today .bar-f{background:linear-gradient(180deg,var(--gold),var(--gold-d))}
.bar:hover .bar-f{filter:brightness(1.15)}
.bar-d{font-size:10.5px;text-align:center;line-height:1.2;margin-top:5px;height:26px}
.bar.today .bar-d{color:var(--maroon);font-weight:700}

/* ---------- tables ---------- */
.scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid #f0ebe3;white-space:nowrap}
th{background:#faf6ef;color:#5b4a3a;font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.4px}
tbody tr:hover td{background:#fffbf0}
tr.empty td{color:var(--muted);text-align:center;padding:22px}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge.ok{background:var(--ok-bg);color:var(--ok)}
.badge.live{background:var(--live-bg);color:var(--live)}
.badge.warn{background:var(--warn-bg);color:var(--warn)}

/* ---------- forms & buttons ---------- */
.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:6px;font:inherit;font-size:14px;padding:8px 14px;border-radius:9px;
  border:1px solid #dccfbd;background:#fff;color:var(--maroon-d);text-decoration:none;cursor:pointer;transition:all .15s}
.btn:hover,button:hover{border-color:var(--maroon);background:#fffaf2}
.btn.primary,button.primary{background:var(--maroon);border-color:var(--maroon);color:#fff}
.btn.primary:hover,button.primary:hover{background:var(--maroon-l)}
.btn.wide{width:100%;padding:11px}
button:disabled{opacity:.5;cursor:not-allowed}
label{display:block;font-size:13px;color:#4b4036;font-weight:500;margin-bottom:12px}
input,select{display:block;width:100%;font:inherit;padding:9px 11px;border:1px solid #dccfbd;border-radius:9px;margin-top:5px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:none;border-color:var(--maroon);box-shadow:0 0 0 3px rgba(138,28,28,.12)}
.filters{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.filters label{margin:0;min-width:150px}.filters .grow{flex:1;min-width:220px}
.search{display:flex;align-items:center;gap:6px;border:1px solid #dccfbd;border-radius:9px;padding:0 10px;background:#fff;color:var(--muted)}
.search input{border:none;margin:0;padding:7px 0;min-width:190px;box-shadow:none}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{padding:6px 13px;border-radius:999px;background:#fff;border:1px solid #e3d8c6;text-decoration:none;color:#5b4a3a;font-size:13px}
.chip:hover{border-color:var(--maroon)}
.chip.on{background:var(--maroon);border-color:var(--maroon);color:#fff}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
form.inline input{margin:0;width:auto}
.stack{max-width:420px}
.alert{display:flex;gap:10px;align-items:flex-start;background:var(--warn-bg);border:1px solid #f1d48a;color:#713f12;padding:11px 14px;border-radius:11px;margin:0 0 16px}
.info{background:var(--ok-bg);border:1px solid #a7dcb7;color:#14532d;padding:11px 14px;border-radius:11px;margin:0 0 16px}
.facts{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;margin:0}
.facts dt{color:var(--muted)}.facts dd{margin:0;font-weight:500}
code{background:#f4efe6;padding:1px 6px;border-radius:5px;font-size:13px}

/* ---------- daily sheet ---------- */
.sheet{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;box-shadow:var(--shadow)}
.sheet-head{display:flex;align-items:center;gap:16px;padding-bottom:16px;border-bottom:3px solid var(--maroon);position:relative}
.sheet-head:after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:2px;background:var(--gold)}
.sheet-logo{width:74px;height:74px}
.sheet-org{font-size:20px;font-weight:700;color:var(--maroon-d)}
.sheet-unit{font-size:14.5px;color:#4b4036}
.sheet-title{font-size:13px;color:var(--muted);margin-top:2px;text-transform:uppercase;letter-spacing:.6px}
.sheet-date{margin-left:auto;text-align:right}
.sheet-day{font-size:13px;color:var(--muted)}.sheet-d{font-size:18px;font-weight:700;color:var(--maroon-d)}
.sheet-sum{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:22px 0 16px}
.sheet-sum div{background:#faf6ef;border-radius:10px;padding:10px 12px;text-align:center}
.sheet-sum b{display:block;font-size:22px;color:var(--maroon-d)}
.sheet-sum span{font-size:12px;color:var(--muted)}
.sign{margin-top:56px;display:flex;justify-content:space-between;font-size:13px;color:#4b4036}
.sign div{width:40%;border-top:1px solid #9a8f80;padding-top:6px}
.sheet-foot{font-size:11px;color:var(--muted);margin-top:22px}

/* ---------- login / install ---------- */
body.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:18px;
  background:radial-gradient(circle at 20% 10%,#a32424,transparent 45%),linear-gradient(135deg,var(--maroon-d),var(--maroon) 60%,#6e1515)}
.auth-card{display:grid;grid-template-columns:1fr 1fr;width:100%;max-width:820px;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.auth-side{background:linear-gradient(160deg,var(--maroon-d),var(--maroon));color:#fff;padding:40px 30px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;border-right:4px solid var(--gold)}
.auth-logo{width:150px;height:150px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.35));margin-bottom:18px}
.auth-org{font-size:19px;font-weight:700}
.auth-unit{color:#f8e7a8;font-size:14px;margin-top:4px}
.auth-app{margin-top:18px;padding:6px 14px;border:1px solid rgba(242,195,0,.6);border-radius:999px;color:var(--gold);font-size:13px}
.auth-main{padding:40px 36px}
.auth-main h1{margin:0;font-size:24px;color:var(--maroon-d)}
.auth-main .muted{margin:4px 0 22px}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .grid2,.grid2.wide-left{grid-template-columns:1fr}
  .nav a span{display:none}
  .nav a.on span{display:inline}
  .sheet-sum{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  .topbar{padding:10px 14px}
  .brand-sub{display:none}
  main{padding:14px 12px}
  .auth-card{grid-template-columns:1fr}
  .auth-side{border-right:none;border-bottom:4px solid var(--gold);padding:26px}
  .auth-logo{width:96px;height:96px}
  .auth-main{padding:26px 22px}
  .kpi-n{font-size:28px}.kpi-live .kpi-n{font-size:34px}
  .sheet{padding:18px}
  .sheet-head{flex-wrap:wrap}.sheet-date{margin-left:0;text-align:left;width:100%}
  .search input{min-width:120px}
}

/* ---------- print ---------- */
@media print{
  .topbar,.noprint,.foot{display:none!important}
  body{background:#fff;font-size:12px}
  main{padding:0;max-width:none}
  .sheet{border:none;box-shadow:none;padding:0}
  th,td{white-space:nowrap;padding:5px 7px}
  table{font-size:11px}
  th{font-size:9.5px}
  .badge{white-space:nowrap;padding:2px 7px;font-size:10px}
  .sheet-sum{grid-template-columns:repeat(5,1fr)!important;margin:16px 0 12px}
  .sheet-sum b{font-size:18px}
  .sheet-head{flex-wrap:nowrap!important}.sheet-date{margin-left:auto!important;text-align:right!important;width:auto!important}
  thead{display:table-header-group}
  tr{page-break-inside:avoid}
  tbody tr:hover td{background:none}
  .sheet-head,.sheet-sum div,th,.badge{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  @page{size:A4;margin:12mm}
}