:root{
  --bg:#0c0d10; --panel:#15171c; --panel-2:#1b1e25; --line:#262a33;
  --amber:#ffb457; --amber-dim:#a9783a; --green:#36d399; --red:#f5577b;
  --muted:#7e8593; --text:#e8eaef;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --disp:"Inter",system-ui,-apple-system,sans-serif;
  --wordmark:"Cinzel","Times New Roman",serif;
}
[data-theme="light"]{
  --bg:#f5f6f8; --panel:#ffffff; --panel-2:#eef0f4; --line:#e3e6ec;
  --amber:#b9761a; --amber-dim:#cd9a52; --green:#127a54; --red:#cf3a61;
  --muted:#6b7280; --text:#1a1d23;
}
[data-theme="light"] body{
  background:
    radial-gradient(1100px 480px at 82% -8%, rgba(185,118,26,.08), transparent 60%),
    var(--bg);
}
[data-theme="light"] .kpi.lead{background:linear-gradient(180deg,#fff7ec,#ffffff)}
[data-theme="light"] .rung .barlabel{color:#3a2a10}
[data-theme="light"] .search button{color:#fff}
/* In light mode, skip the dark hero photo (it'd clash with dark text) and
   use only a soft amber glow so headings stay readable. */
[data-theme="light"] body::before{
  background:radial-gradient(900px 360px at 72% -12%, rgba(185,118,26,.14), transparent 70%);
  opacity:.9;}
*{box-sizing:border-box}
html,body{margin:0}
body{position:relative;background:radial-gradient(1100px 480px at 82% -8%,rgba(255,180,87,.07),transparent 60%),var(--bg);
  color:var(--text);font-family:var(--disp);-webkit-font-smoothing:antialiased;line-height:1.4}
/* Hero band at the top, fading downward. Drop a file named hero.jpg into the
   frontend/ folder to use your own image; if missing, the amber glow shows. */
body::before{content:"";position:absolute;top:0;left:0;right:0;height:480px;z-index:0;pointer-events:none;
  background:
    linear-gradient(to bottom, rgba(0,0,0,.28), transparent 55%),
    url("hero.jpg"),
    radial-gradient(900px 380px at 72% -12%, rgba(255,180,87,.20), transparent 70%);
  background-size:cover;background-position:center top;background-repeat:no-repeat;
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 42%,transparent 100%);
  mask-image:linear-gradient(to bottom,#000 0%,#000 42%,transparent 100%);
  opacity:.9;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)} .pad{padding:28px 4px} .amt{color:var(--amber)} .ok2{color:var(--green)}
.wrap{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:20px 18px 60px}

header{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:6px 2px 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:baseline;gap:10px}
.brand b{font-family:var(--wordmark);font-weight:700;font-size:24px;letter-spacing:.08em}
.brand .star{color:var(--amber);font-family:var(--disp)}
.brand span{color:var(--muted);font-size:11px;letter-spacing:.22em;text-transform:uppercase}
.spacer{flex:1}
.range{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.range button{font-family:var(--mono);font-size:12px;color:var(--muted);background:transparent;border:0;padding:6px 11px;cursor:pointer}
.range button.on{background:var(--panel);color:var(--amber)}
.badge{font-family:var(--mono);font-size:11px;border-radius:999px;padding:4px 10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);border:1px solid var(--line)}
.badge.ok{color:var(--green);border-color:rgba(54,211,153,.4)}
.badge.err{color:var(--red);border-color:rgba(245,87,123,.4)}
.updated{font-family:var(--mono);font-size:11px;color:var(--muted)}
.refresh{font-family:var(--mono);font-size:15px;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:5px 11px;cursor:pointer}
.refresh:hover{border-color:var(--amber-dim);color:var(--amber)}

.search{display:flex;gap:10px;margin:18px 0 0}
.search input{flex:1;font-family:var(--mono);font-size:14px;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.search input:focus{outline:none;border-color:var(--amber-dim)}
.search button{font-family:var(--mono);font-size:13px;color:#0c0d10;background:var(--amber);border:0;border-radius:10px;padding:0 18px;cursor:pointer;font-weight:600}
.qcard{display:flex;flex-wrap:wrap;gap:26px;margin-top:12px;align-items:center}
.qcard .label{color:var(--muted);font-size:10px;letter-spacing:.12em;text-transform:uppercase}
.qcard .mono{font-family:var(--mono);font-size:17px;margin-top:4px}

.kpis{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:12px;margin:22px 0}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:15px 16px 13px;position:relative;overflow:hidden}
.kpi.lead{background:linear-gradient(180deg,#1a1c22,#141519)}
.kpi .label{color:var(--muted);font-size:11px;letter-spacing:.13em;text-transform:uppercase}
.kpi .val{font-family:var(--mono);font-weight:600;margin-top:8px;line-height:1;font-size:25px;letter-spacing:-.03em}
.kpi.lead .val{font-size:34px;color:var(--amber)}
.kpi .sub{color:var(--muted);font-family:var(--mono);font-size:11px;margin-top:7px}
.kpi .tick{position:absolute;right:0;top:0;bottom:0;width:3px;background:var(--amber);opacity:.5}

section{margin-top:24px}
.head{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.head h2{font-size:14px;font-weight:600;letter-spacing:.03em;margin:0}
.head .hint{color:var(--muted);font-size:12px;font-family:var(--mono)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}

.chart .axis{display:flex;justify-content:space-between;margin-top:8px;font-family:var(--mono);font-size:11px;color:var(--muted)}
.chart .axis b{color:var(--text)}

.conc-foot{display:flex;justify-content:space-between;margin-top:10px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.conc-foot b{color:var(--amber)}
.pcard{display:flex;flex-direction:column;gap:14px;justify-content:center;min-height:240px}
.prow{display:grid;grid-template-columns:46px 1fr 92px;align-items:center;gap:12px}
.prow .pl{font-family:var(--mono);font-size:12px;color:var(--muted)}
.prow .pbar{height:18px;background:var(--panel-2);border-radius:5px;overflow:hidden}
.prow .pfill{height:100%;border-radius:5px;transition:width .8s cubic-bezier(.22,1,.36,1)}
.prow .pv{font-family:var(--mono);font-size:13px;text-align:right;color:var(--text)}

.cohort{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.cohtbl{flex:1;min-width:260px}
.cohrow{display:grid;grid-template-columns:16px 1fr 70px 60px 80px;align-items:center;gap:8px;padding:9px 0;border-top:1px solid var(--line);font-family:var(--mono);font-size:13px}
.cohrow.cohhd{color:var(--muted);font-size:10px;letter-spacing:.1em;text-transform:uppercase;border-top:0}
.cohrow .cname{text-transform:capitalize}
.cohrow .cnum{text-align:right}
.dotc{width:10px;height:10px;border-radius:3px}

.ladder{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:6px 4px}
.rung{display:grid;grid-template-columns:110px 1fr 120px;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid var(--line)}
.rung:last-child{border-bottom:0}
.rung .tier{font-family:var(--mono);font-size:14px} .rung .tier b{color:var(--amber)}
.rung .bar{position:relative;height:28px;background:var(--panel-2);border-radius:7px;overflow:hidden}
.rung .fill{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,rgba(255,180,87,.95),rgba(255,180,87,.55));border-right:1px solid var(--amber);transition:width .9s cubic-bezier(.22,1,.36,1)}
.rung .barlabel{position:absolute;right:10px;top:0;bottom:0;display:flex;align-items:center;font-family:var(--mono);font-size:12px;color:#0c0d10;mix-blend-mode:hard-light;font-weight:600}
.rung .count{text-align:right;font-family:var(--mono)} .rung .count b{font-size:17px} .rung .count span{color:var(--muted);font-size:11px;display:block}

.hist{display:flex;align-items:flex-end;gap:10px;height:190px;padding-top:6px}
.hcol{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px;height:100%}
.hcol .colbar{width:100%;max-width:50px;background:linear-gradient(180deg,var(--amber),var(--amber-dim));border-radius:6px 6px 0 0;height:0;transition:height .9s cubic-bezier(.22,1,.36,1)}
.hcol .cnt{font-family:var(--mono);font-size:12px} .hcol .rng{font-family:var(--mono);font-size:10px;color:var(--muted);text-align:center;line-height:1.25}

.whales{display:flex;flex-direction:column}
.wrow{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--line);font-family:var(--mono);font-size:13px}
.wrow:first-child{border-top:0} .wrow .wt{color:var(--muted);font-size:12px} .wrow .wv{color:var(--green)}

.rstats{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-bottom:16px}
.rstat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 15px}
.rstat .label{color:var(--muted);font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.rstat .val{font-family:var(--mono);font-weight:600;font-size:23px;margin-top:7px;color:var(--amber)}
.rstat .sub{color:var(--muted);font-family:var(--mono);font-size:11px;margin-top:6px}
td.amt2{color:var(--green)}

table{width:100%;border-collapse:collapse}
th{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-align:right;padding:0 0 9px;font-weight:500}
th.l,td.l{text-align:left}
td{font-family:var(--mono);font-size:13px;text-align:right;padding:8px 0;border-top:1px solid var(--line)}
td.addr{color:var(--muted)} td.rk{color:var(--muted);width:30px} td.eff{color:var(--green)}

.cmp-in{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.cmp-in input{flex:1;min-width:180px;font-family:var(--mono);font-size:13px;color:var(--text);background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:11px 13px}
.cmp-in input:focus{outline:none;border-color:var(--amber-dim)}
.cmp-in button{font-family:var(--mono);font-size:13px;color:var(--bg);background:var(--amber);border:0;border-radius:9px;padding:0 18px;cursor:pointer;font-weight:600}
table.cmp td,table.cmp th{text-align:right}
table.cmp td.l,table.cmp th.l{text-align:left}
table.cmp .cmplbl{color:var(--muted);text-transform:uppercase;font-size:11px;letter-spacing:.08em}

footer{margin-top:32px;color:var(--muted);font-family:var(--mono);font-size:11px;border-top:1px solid var(--line);padding-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.dot{color:var(--amber-dim)}
.errbox{background:rgba(245,87,123,.08);border:1px solid rgba(245,87,123,.4);color:#ffb9cb;border-radius:12px;padding:16px;font-family:var(--mono);font-size:13px;line-height:1.6}
.errbox code{color:#fff}

@media (max-width:860px){
  .kpis{grid-template-columns:1fr 1fr} .kpi.lead{grid-column:1/-1}
  .grid2{grid-template-columns:1fr}
  .rung{grid-template-columns:88px 1fr 86px;gap:10px;padding:11px}
  .cohrow{grid-template-columns:14px 1fr 52px 46px 62px}
  .rstats{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){.fill,.colbar,.pfill{transition:none}}
.note{color:var(--muted);font-size:12px;font-family:var(--mono);margin-top:10px;padding-left:2px}