:root{color-scheme:dark;--orange:#ff9a3c;--bg:#07111d;--panel:#101d2b;--panel2:#132337;--line:#26384b;--text:#e9f1fa;--muted:#9aaec3;--blue:#5da7ff;--cyan:#38dcc7;--amber:#f2bf69;--red:#ff8690;--shadow:0 15px 50px #0005}
  *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;min-width:320px;padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px);background:radial-gradient(ellipse at 88% -10%,#18345a 0,transparent 39%),radial-gradient(ellipse at 0% 40%,#10293b 0,transparent 45%),var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);font-size:14px;line-height:1.55}
  a{color:#8dc7ff} button,input,select{font:inherit} button{cursor:pointer} button:disabled{cursor:not-allowed;opacity:.5} button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
  .app{width:min(1320px,calc(100% - 40px));margin:36px auto 60px} .brand{display:flex;align-items:center;gap:15px}.logo{width:54px;height:54px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,#204c68,#123046);border:1px solid #34758c;box-shadow:0 0 30px #20bfb326}.logo svg{width:29px;height:29px;stroke:var(--cyan);fill:none;stroke-width:1.8;stroke-linecap:round}
  .masthead{display:flex;justify-content:space-between;align-items:start;gap:24px;margin:0 0 30px} .eyebrow{font-size:11px;letter-spacing:2.8px;color:var(--cyan);font-weight:800;text-transform:uppercase} h1{font-size:clamp(27px,3vw,39px);letter-spacing:-1.4px;line-height:1.15;margin:4px 0 8px} .description{color:var(--muted);margin:0;max-width:670px} .pill{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:#0f1d2b;font-size:12px;color:var(--muted);font-weight:750;letter-spacing:.5px}.dot{height:8px;width:8px;border-radius:50%;background:#698198}.pill.live .dot{background:var(--cyan);box-shadow:0 0 0 4px #38dcc71b}.pill.demo .dot{background:var(--amber)}.pill.error .dot{background:var(--red)}
  .panel{background:linear-gradient(165deg,#122234,#0f1c2a);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:22px;margin:0 0 19px}.panel h2{font-size:16px;letter-spacing:-.2px;margin:0}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:15px}.minor{color:var(--muted);font-size:12px}
  .filters{display:grid;grid-template-columns:repeat(5,minmax(120px,1fr));gap:13px}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field label{font-size:11px;text-transform:uppercase;letter-spacing:1.15px;font-weight:800;color:#94abc1} select,input{width:100%;border:1px solid #30475d;border-radius:9px;background:#091625;color:var(--text);padding:11px 12px;min-height:43px;outline:none} select:hover,input:hover{border-color:#4a6987} option{background:#102033}
  .actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}.action-left,.action-right{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.btn{min-height:40px;border-radius:9px;border:1px solid var(--line);padding:9px 15px;background:#16283b;color:#dfeaf6;font-weight:750}.btn:hover{background:#233a51}.btn.primary{border:1px solid #278b91;background:linear-gradient(100deg,#29a5a0,#197fa2);color:#fff}.btn.primary:hover{filter:brightness(1.12)}.btn.ghost{background:transparent}.checkbox{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;user-select:none}.checkbox input{width:15px;height:15px;min-height:0;accent-color:var(--cyan)}
  .status{font-size:12px;line-height:1.7;min-height:22px;margin-top:13px;color:var(--muted)} .status.error{color:var(--red)} .status strong{color:var(--text)} .query-link{margin-left:12px;white-space:nowrap}
  .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:19px}.metric{padding:20px;border:1px solid var(--line);border-radius:15px;background:#112234;min-width:0}.metric .top{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase}.metric .glyph{color:var(--cyan);font-size:16px}.metric .value{font-size:clamp(22px,2.7vw,34px);font-weight:800;letter-spacing:-1px;line-height:1.28;margin-top:9px;font-variant-numeric:tabular-nums}.metric .hint{color:var(--muted);font-size:11px;margin-top:5px}
  .overview{display:grid;grid-template-columns:1.5fr 1fr;gap:18px;margin:0 0 19px}.overview>.panel{margin:0;min-height:247px}.bars{display:grid;gap:7px;margin-top:16px}.bar-row{display:grid;grid-template-columns:90px 1fr 52px;align-items:center;gap:11px;font-size:12px}.bar-call{font-weight:750;color:#d9edff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar-track{background:#172c40;border-radius:100px;height:9px;overflow:hidden}.bar-fill{height:100%;background:linear-gradient(90deg,#2b8bcc,#38dcc7);border-radius:100px}.bar-count{text-align:right;color:#b1c5d8;font-variant-numeric:tabular-nums}.station{margin-top:15px;display:grid;gap:12px}.station .callsign{color:var(--cyan);font-size:30px;font-weight:850;letter-spacing:1px}.station .detail{display:grid;grid-template-columns:1fr 1fr;gap:12px}.station .item{border-top:1px solid var(--line);padding-top:8px}.station .item .k{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}.station .item .v{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}.empty{color:var(--muted);font-size:13px;margin:16px 0 8px}
  .table-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}.search{max-width:300px}.table-wrap{width:100%;overflow:auto;border:1px solid var(--line);border-radius:12px;margin-top:14px} table{width:100%;border-collapse:collapse;min-width:750px;font-variant-numeric:tabular-nums} th{text-align:left;background:#15283c;color:#9bb1c7;font-size:11px;text-transform:uppercase;letter-spacing:.6px;white-space:nowrap}th,td{padding:11px 13px;border-bottom:1px solid #223347}td{font-size:13px}tbody tr{background:#0f1f30}tbody tr:nth-child(even){background:#112337}tbody tr:hover{background:#1a3447}tbody tr.selected{background:#183e4a}td.num{text-align:right}th.num{text-align:right}th button{border:0;background:transparent;color:inherit;padding:0;font-size:inherit;font-weight:800;letter-spacing:inherit;text-transform:inherit}th button:hover{color:var(--cyan)}th button.active{color:var(--cyan)}.call-btn{background:none;border:0;padding:0;color:#d7efff;font-weight:800}.call-btn:hover{color:var(--cyan);text-decoration:underline}.rank{color:#91a8bb}.muted{color:var(--muted)}.km{color:#b6d9ed}.pagination{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;margin-top:14px;font-size:12px;color:var(--muted)}.page-controls{display:flex;align-items:center;gap:12px}
  body::before{content:"";position:fixed;inset:0 0 auto 0;height:env(safe-area-inset-top,0px);background:var(--bg);z-index:10} /* opaque band under a phone status bar so scrolled content does not show through it */
  .is-loading .metrics,.is-loading .overview,.is-loading .table-wrap{opacity:.55;transition:opacity .25s}
  .tabs{display:flex;gap:8px;margin:0 0 18px;flex-wrap:wrap}.tab{min-height:40px;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#0f1d2b;color:var(--muted);font-weight:750;letter-spacing:.3px}.tab:hover{color:var(--text);background:#16283b}.tab.active{background:linear-gradient(100deg,#29a5a0,#197fa2);border-color:#278b91;color:#fff}
  .lab-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:0 0 19px}.lab-grid>.panel{margin:0;min-width:0}.lab-map-panel,.lab-table-panel{grid-column:1/-1}.chart-wrap{position:relative;height:300px;margin-top:12px}.chart-wrap.polar{height:340px}.lab-controls{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px}.lab-note{margin:8px 0 0;line-height:1.6}
  .lab-map{position:absolute;inset:0;background:#07111d}.map-frame{position:relative;height:460px;border-radius:12px;border:1px solid var(--line);overflow:hidden;margin-top:10px}.map-shell.map-full .map-frame{flex:1;height:auto;margin-top:8px;border-radius:0}.map-shell.map-full{position:fixed;inset:0;z-index:2000;background:var(--bg);display:flex;flex-direction:column;padding:calc(env(safe-area-inset-top,0px) + 8px) calc(env(safe-area-inset-right,0px) + 8px) calc(env(safe-area-inset-bottom,0px) + 8px) calc(env(safe-area-inset-left,0px) + 8px)}body.map-lock{overflow:hidden}
  .map-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px}.map-btn{min-height:38px;padding:7px 13px;border-radius:9px;border:1px solid var(--line);background:#16283b;color:#dfeaf6;font-weight:700;font-size:12px}.map-btn:hover{background:#233a51}.map-check{display:inline-flex;align-items:center;gap:7px;cursor:pointer}.map-check input{width:15px;height:15px;min-height:0;accent-color:var(--cyan)}.map-night label{font-size:12px;color:var(--muted)}.map-night input{width:auto;min-height:38px;padding:6px 10px}
  .map-overlay{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);max-width:min(420px,86%);padding:12px 16px;border-radius:12px;background:#0f1d2bf0;border:1px solid var(--line);color:var(--text);font-size:13px;text-align:center;z-index:5;pointer-events:none}
  .map-legend{display:flex;gap:6px 16px;flex-wrap:wrap;margin-top:8px;font-size:12px;color:var(--muted);align-items:center}.map-legend span{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}.lg{display:inline-block;flex:none}.lg-line{width:22px;height:3px;border-radius:2px;margin-left:6px}.lg-line.a{background:var(--cyan)}.lg-line.b{background:var(--orange)}.lg-line.ab{background:#e9f1fa}.lg-snr{width:60px;height:5px;border-radius:3px;background:linear-gradient(90deg,#5da7ff,#38dcc7,#a6e36e,#f2bf69,#ff8690)}.lg-tx{width:11px;height:11px;border-radius:50%;background:var(--cyan);border:2px solid #fff}.lg-rx{width:11px;height:11px;border-radius:50%;background:#07111d;border:2.5px solid var(--cyan)}.lg-dash{width:22px;height:0;border-top:3px dashed #9aaec3}
  .map-basemap{margin:6px 0 0;font-size:12px;color:var(--muted)}.map-basemap.ok::before,.map-basemap.warn::before,.map-basemap.error::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px;background:var(--cyan)}.map-basemap.warn{color:var(--amber)}.map-basemap.warn::before{background:var(--amber)}.map-basemap.error{color:var(--red)}.map-basemap.error::before{background:var(--red)}
  .maplibregl-map{font-family:inherit}.maplibregl-popup-content{background:#122234;color:var(--text);box-shadow:0 8px 30px #0008;border-radius:10px;padding:12px 14px;font-size:12px;line-height:1.6}.maplibregl-popup-anchor-top .maplibregl-popup-tip{border-bottom-color:#122234}.maplibregl-popup-anchor-bottom .maplibregl-popup-tip{border-top-color:#122234}.maplibregl-popup-anchor-left .maplibregl-popup-tip{border-right-color:#122234}.maplibregl-popup-anchor-right .maplibregl-popup-tip{border-left-color:#122234}.maplibregl-popup-close-button{color:var(--muted);font-size:18px;padding:2px 8px}.map-popup .k{color:var(--muted)}.map-popup strong{font-size:13px;color:#fff}.map-popup .flag{margin-top:6px;color:var(--amber)}.map-popup .hint{margin-top:6px;color:var(--muted)}.maplibregl-ctrl-attrib{background:#0f1d2bcc!important;font-size:10px}.maplibregl-ctrl-attrib a{color:#9ec9f0!important}.maplibregl-ctrl-group{background:#16283b}.maplibregl-ctrl-group button+button{border-top-color:#26384b}.maplibregl-ctrl-group button .maplibregl-ctrl-icon{filter:invert(1)}.maplibregl-ctrl-scale{background:#0f1d2bcc;color:var(--muted);border-color:var(--muted)}.maplibregl-cooperative-gesture-screen{font-family:inherit}
  td.check-ok{color:var(--cyan)}td.check-warn{color:var(--amber);cursor:help}.checks-detail{margin-top:8px}.checks-detail summary{cursor:pointer;color:#d1e1f1}.checks-detail ul{margin:6px 0 0 18px;padding:0}
  input.call-a{border-color:#2a8b84}input.call-b{border-color:#b36a2a}.station-a{color:var(--cyan);font-weight:700}.station-b{color:var(--orange);font-weight:700}tbody tr.row-a{box-shadow:inset 3px 0 0 var(--cyan)}tbody tr.row-b{box-shadow:inset 3px 0 0 var(--orange)}
  .footnote{border-left:2px solid #48738e;padding:4px 0 4px 14px;color:var(--muted);font-size:12px;margin-top:22px}.footnote p{margin:5px 0}.footnote strong{color:#d1e1f1}
  @media(max-width:900px){.lab-grid{grid-template-columns:1fr}.map-frame{height:400px}.filters{grid-template-columns:repeat(3,minmax(130px,1fr))}.overview{grid-template-columns:1fr 1fr}.metrics{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){.app{width:calc(100% - 24px);margin:22px auto 40px}.masthead{flex-direction:column;gap:16px}.panel{padding:15px;border-radius:14px}.filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.overview{grid-template-columns:1fr}.metric{padding:15px}.metric .value{font-size:25px}.actions{align-items:stretch}.action-left{width:100%}.action-left .btn{flex:1}.table-toolbar{align-items:stretch}.search{max-width:none;flex:1 1 100%}.bar-row{grid-template-columns:80px 1fr 45px}}
  .map-shell [hidden]{display:none!important}