:root{
  --bg:#f4f6f2; --card:#ffffff; --ink:#1d2a1f; --muted:#5f6d61; --line:#dfe5dc;
  --brand:#2e6b3a; --brand-2:#e7f0e5; --accent:#c98a1b;
  --good:#1f7a3d; --good-bg:#d9f0de; --warn:#8a5a00; --warn-bg:#fdf0c8;
  --bad:#a4262c; --bad-bg:#fbdcdc; --avg-bg:#e6eef8; --avg-ink:#1f3d66;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 4px 14px rgba(0,0,0,.04);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#111612; --card:#1a211b; --ink:#e4ebe3; --muted:#9aa89b; --line:#2c362d;
    --brand:#6dbb7c; --brand-2:#223326; --accent:#e0a843;
    --good:#8fe0a3; --good-bg:#1d3a25; --warn:#f2cf7a; --warn-bg:#3a3018;
    --bad:#ff9a9f; --bad-bg:#431f22; --avg-bg:#1d2a3b; --avg-ink:#b7cdf0;
    --shadow:none;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,"Segoe UI","Noto Sans Sinhala","Noto Sans Tamil",sans-serif}
header.top{background:var(--brand);color:#fff;padding:12px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
@media (prefers-color-scheme:dark){header.top{background:#1f3a25}}
header.top h1{font-size:17px;margin:0;font-weight:650;flex:1;min-width:160px}
header.top small{display:block;font-weight:400;opacity:.8;font-size:12px}
header.top.field-header{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}
header.top.field-header .field-logo{grid-column:1;grid-row:1;width:112px;height:auto;max-width:100%;display:block;object-fit:contain}
header.top.field-header h1{grid-column:2;text-align:center;min-width:0}
.top-actions{grid-column:3;display:flex;align-items:center;justify-content:flex-end;gap:12px;flex-wrap:wrap}
@media(max-width:760px){header.top.field-header{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}header.top.field-header .field-logo{grid-column:1;grid-row:1;width:88px;height:auto}header.top.field-header h1{grid-column:2;grid-row:1;font-size:15px}.top-actions{grid-column:1/-1;grid-row:2;justify-content:center}}
header.top a,header.top button{color:#fff}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.narrow{max-width:560px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:var(--shadow);margin-bottom:14px}
.card h2{font-size:15px;margin:0 0 10px}
label{display:block;font-size:13px;color:var(--muted);margin:8px 0 4px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:0}
button,.btn{appearance:none;border:1px solid var(--brand);background:var(--brand);color:#fff;border-radius:8px;padding:10px 14px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px;justify-content:center}
@media (prefers-color-scheme:dark){button,.btn{color:#0d130e}}
button.ghost,.btn.ghost{background:transparent;color:var(--brand)}
header.top button.ghost{border-color:rgba(255,255,255,.6);color:#fff;padding:6px 10px}
button:disabled{opacity:.5;cursor:default}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:end}
.row>*{flex:1;min-width:120px}
.muted{color:var(--muted)}
.hidden{display:none!important}
.msg{padding:10px 12px;border-radius:8px;margin:8px 0;font-size:14px}
.msg.ok{background:var(--good-bg);color:var(--good)}
.msg.err{background:var(--bad-bg);color:var(--bad)}
.msg.info{background:var(--warn-bg);color:var(--warn)}
.lang{display:flex;gap:4px}
.lang button{padding:4px 8px;font-size:12px;background:transparent;border-color:rgba(255,255,255,.5)}
.lang button.on{background:#fff;color:var(--brand)}

/* session cards */
.sessions{display:grid;gap:12px}
.sess{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--card)}
.sess .head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.sess .head b{font-size:16px}
.pill{font-size:12px;padding:3px 9px;border-radius:99px;font-weight:600;white-space:nowrap}
.pill.done{background:var(--good-bg);color:var(--good)}
.pill.todo{background:var(--warn-bg);color:var(--warn)}
.pill.queued{background:var(--avg-bg);color:var(--avg-ink)}
.big{font-size:28px;font-weight:700;letter-spacing:-.5px}
.toggle{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-top:8px}
.toggle button{flex:1;border:0;border-radius:0;background:transparent;color:var(--muted);padding:7px;font-weight:500}
.toggle button.on{background:var(--brand-2);color:var(--brand);font-weight:650}
.calc{font-size:13px;color:var(--muted);margin-top:4px}

/* dashboard */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:14px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.kpi .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.kpi .v{font-size:26px;font-weight:700;margin-top:2px;font-variant-numeric:tabular-nums}
.kpi .s{font-size:12px;color:var(--muted)}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.ls{border-collapse:separate;border-spacing:0;width:100%;min-width:620px;font-variant-numeric:tabular-nums}
table.ls th,table.ls td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
table.ls th{font-size:12px;color:var(--muted);font-weight:600;background:var(--card);position:sticky;top:0}
table.ls th.grp{border-bottom:2px solid var(--brand);color:var(--brand)}
table.ls td:first-child,table.ls th:first-child{text-align:left;position:sticky;left:0;background:var(--card);z-index:1}
table.ls td .table-remarks{max-width:150px;margin:3px auto 0;color:var(--muted);font-size:12px;font-weight:400;line-height:1.35;white-space:normal;overflow-wrap:anywhere}
table.ls td.v{font-weight:600}
td.good{background:var(--good-bg);color:var(--good)}
td.warn{background:var(--warn-bg);color:var(--warn)}
td.bad{background:var(--bad-bg);color:var(--bad)}
td.nil{color:var(--muted);font-weight:400!important}
tr.avg td{background:var(--avg-bg)!important;color:var(--avg-ink);font-weight:700}
tr.avg.company td{border-top:2px solid var(--avg-ink)}
.bar{height:8px;background:var(--line);border-radius:4px;min-width:90px;position:relative}
.bar i{position:absolute;left:0;top:0;bottom:0;border-radius:4px;background:var(--brand)}
.bar b{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--accent)}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:8px}
.legend span::before{content:"";display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;vertical-align:-1px;background:var(--c)}
.missing{font-size:12px;color:var(--bad)}
.subcount{font-size:12px;color:var(--muted);font-weight:400}
svg.trend{width:100%;height:220px;display:block}
svg.trend text{fill:var(--muted);font-size:11px}
.dateNav{display:flex;gap:6px;align-items:end;flex-wrap:wrap}
.dateNav input{width:auto}
@media (max-width:600px){.wrap{padding:12px}.kpi .v{font-size:22px}}
table.ls.hist{min-width:0}table.ls.hist th,table.ls.hist td{padding:6px 5px;font-size:13px}

.remark-bubble{appearance:none;border:0;background:transparent;color:var(--accent);font-size:16px;padding:1px 4px;line-height:1;cursor:pointer;border-radius:5px;vertical-align:middle}
.remark-bubble:hover,.remark-bubble:focus-visible{background:var(--warn-bg);outline:2px solid var(--accent);outline-offset:1px}
.remark-popover{position:fixed;z-index:1000;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:12px 14px;box-shadow:0 8px 30px rgba(0,0,0,.22);font-size:13px;line-height:1.45}
.remark-popover-title{font-weight:700;color:var(--brand);padding-right:20px;margin-bottom:5px}
.remark-popover-text{white-space:pre-wrap;overflow-wrap:anywhere;max-height:180px;overflow:auto}
.remark-close{position:absolute;right:7px;top:5px;border:0;background:transparent;color:var(--muted);font-size:20px;line-height:1;padding:1px 5px}