:root{
  --bg:#f6f7f9; --panel:#ffffff; --panel-2:#fbfcfd; --line:#e3e6ea;
  --text:#14181d; --muted:#6b7480;
  --accent:#2f6df6; --up:#12805c; --down:#c23b3b;
  --up-bg:rgba(18,128,92,.10); --down-bg:rgba(194,59,59,.10);
  --radius:10px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
:root[data-theme="dark"]{
  --bg:#0f1318; --panel:#161b22; --panel-2:#1b212a; --line:#262d37;
  --text:#e6eaf0; --muted:#8b95a3;
  --accent:#6f9bff; --up:#3ecf9a; --down:#ff7b7b;
  --up-bg:rgba(62,207,154,.12); --down-bg:rgba(255,123,123,.12);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0f1318; --panel:#161b22; --panel-2:#1b212a; --line:#262d37;
    --text:#e6eaf0; --muted:#8b95a3;
    --accent:#6f9bff; --up:#3ecf9a; --down:#ff7b7b;
    --up-bg:rgba(62,207,154,.12); --down-bg:rgba(255,123,123,.12);
  }
}

*{box-sizing:border-box}
body{
  margin:0; background:var(--bg); color:var(--text);
  font:15px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1{font-size:18px;margin:0;font-weight:650;letter-spacing:-.01em}

/* ---------- topbar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px 20px;background:var(--panel);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
.topbar-left{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.topbar-right{display:flex;gap:8px;align-items:center}
.meta{color:var(--muted);font-size:12.5px}

.btn{
  border:1px solid var(--line);background:var(--accent);color:#fff;
  padding:7px 13px;border-radius:8px;font-size:13px;cursor:pointer;
  text-decoration:none;display:inline-block;border-color:transparent;
}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn.ghost:hover{background:var(--panel-2)}

/* ---------- controls ---------- */
.controls{
  display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between;
  padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--line);
}
.presets{display:flex;gap:6px;flex-wrap:wrap}
.presets button{
  border:1px solid var(--line);background:var(--panel-2);color:var(--muted);
  padding:6px 11px;border-radius:999px;font-size:12.5px;cursor:pointer;
}
.presets button:hover{color:var(--text)}
.presets button.active{background:var(--accent);border-color:transparent;color:#fff}
.range,.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.range label,.filters label{font-size:12.5px;color:var(--muted);display:flex;gap:6px;align-items:center}
input[type=date],select,input[type=search],input[type=password]{
  background:var(--panel-2);color:var(--text);border:1px solid var(--line);
  border-radius:7px;padding:6px 9px;font-size:13px;font-family:inherit;
}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:0}

/* ---------- KPI's ---------- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;padding:16px 20px 4px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:13px 15px}
.kpi .label{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.kpi .value{font-size:26px;font-weight:650;margin-top:4px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi .sub{font-size:12px;margin-top:2px;color:var(--muted)}

/* ---------- tabel ---------- */
main{padding:16px 20px 40px}
.table-wrap{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:auto;max-width:100%;
}
table{border-collapse:separate;border-spacing:0;width:100%;font-size:13.5px}
th,td{padding:10px 12px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line)}
th{
  position:sticky;top:0;background:var(--panel-2);z-index:5;
  font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;
}
th small{display:block;text-transform:none;letter-spacing:0;font-weight:400;font-size:10.5px;opacity:.8}
th.num,td.num{text-align:right;font-variant-numeric:tabular-nums}
th.sortable{cursor:pointer;user-select:none}
th.sortable:hover{color:var(--text)}
th.sorted::after{content:" ▾";color:var(--accent)}
th.sorted.asc::after{content:" ▴"}
th.divider,td.divider{border-left:2px solid var(--line)}
.sticky-col{position:sticky;left:0;background:var(--panel);z-index:6}
th.sticky-col{z-index:7;background:var(--panel-2)}
tbody tr:hover td{background:var(--panel-2)}
tbody tr:hover td.sticky-col{background:var(--panel-2)}
tbody tr:last-child td{border-bottom:none}
.site-name{font-weight:600}
.site-name a{color:inherit;text-decoration:none}
.site-name a:hover{color:var(--accent)}
.site-group{display:block;font-size:11px;color:var(--muted);font-weight:400}
.delta{font-size:11.5px;margin-left:6px;padding:1px 5px;border-radius:5px;font-variant-numeric:tabular-nums}
.delta.up{color:var(--up);background:var(--up-bg)}
.delta.down{color:var(--down);background:var(--down-bg)}
.delta.flat{color:var(--muted);background:transparent}
.cell-main{font-weight:550}
.empty{text-align:center;color:var(--muted);padding:26px}
.row-error td{color:var(--down);font-size:12.5px}
tfoot td{font-weight:650;background:var(--panel-2);border-top:2px solid var(--line);border-bottom:none}
tfoot td.sticky-col{background:var(--panel-2)}

/* bronnen-popover */
.src-btn{
  background:transparent;border:1px solid var(--line);color:var(--muted);
  border-radius:6px;padding:3px 8px;font-size:11.5px;cursor:pointer;
}
.src-btn:hover{color:var(--text)}
tr.channels td{background:var(--panel-2);white-space:normal}
.chan-grid{display:flex;gap:8px;flex-wrap:wrap}
.chan{
  display:flex;gap:8px;align-items:baseline;background:var(--panel);
  border:1px solid var(--line);border-radius:7px;padding:5px 10px;font-size:12.5px;
}
.chan b{font-variant-numeric:tabular-nums}
.chan span{color:var(--muted)}
.bar{height:3px;border-radius:2px;background:var(--accent);margin-top:4px;min-width:2px}

.legend{color:var(--muted);font-size:12px;margin:12px 2px 0;max-width:780px}

/* ---------- login ---------- */
.login-page{display:flex;min-height:100vh;align-items:center;justify-content:center}
.login-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;width:min(340px,92vw);display:flex;flex-direction:column;gap:9px;
}
.login-card h1{margin-bottom:8px}
.login-card label{font-size:12.5px;color:var(--muted)}
.login-card button{
  margin-top:8px;background:var(--accent);color:#fff;border:none;
  padding:9px;border-radius:8px;cursor:pointer;font-size:14px;
}
.error{color:var(--down);font-size:13px;margin:0}

@media (max-width:760px){
  .controls{gap:10px}
  .kpis{padding:12px 14px 0}
  main{padding:12px 14px 30px}
  .topbar{padding:12px 14px}
  .controls{padding:10px 14px}
}