:root{
  --bg:#07101a;--bg2:#0a1420;--panel:#0d1825;--panel2:#101d2c;--panel3:#142335;
  --text:#eef5fb;--muted:#91a3b5;--muted2:#6f8295;--line:#213246;--line2:#2c4056;
  --accent:#5ed3ff;--accent2:#7a8cff;--good:#64d8a2;--warn:#f0c875;--bad:#ff7d88;
  --shadow:0 18px 50px rgba(0,0,0,.24);--radius:18px;--radius-sm:12px;--max:1560px;
  --map-bg:#09131e
}
body.light{
  --bg:#f4f7fa;--bg2:#eef3f7;--panel:#ffffff;--panel2:#f7f9fb;--panel3:#eef4f8;
  --text:#14202b;--muted:#5f7181;--muted2:#7b8b99;--line:#d7e0e7;--line2:#c6d2dc;
  --accent:#087ea8;--accent2:#4a64cf;--good:#168b5a;--warn:#a56b08;--bad:#c33f4d;
  --shadow:0 16px 38px rgba(32,50,68,.08);--map-bg:#dfe7ec
}
*{box-sizing:border-box}
html{background:var(--bg);color-scheme:dark;scroll-behavior:smooth}
body.light{color-scheme:light}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{color:inherit}
svg{display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.srOnly{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

.appHeader{position:sticky;top:0;z-index:300;border-bottom:1px solid color-mix(in srgb,var(--line) 88%,transparent);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(18px)}
.headerInner{max-width:var(--max);height:64px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}.brandGlyph{width:36px;height:36px;border:1px solid var(--line2);border-radius:11px;background:var(--panel2);display:grid;place-items:center;color:var(--accent);flex:0 0 auto}.brandGlyph svg{width:21px;height:21px}.brandText{display:grid;line-height:1.1}.brandText strong{font-size:14px;letter-spacing:-.015em}.brandText small{margin-top:3px;color:var(--muted);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;font-weight:750}
.desktopNav{display:flex;align-items:center;gap:5px;margin-left:auto}.desktopNav a{padding:8px 10px;border-radius:9px;color:var(--muted);font-size:12.5px;font-weight:700}.desktopNav a:hover,.desktopNav a.active{background:var(--panel2);color:var(--text)}
.headerActions{display:flex;align-items:center;gap:9px}.headerHealth{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:var(--muted);font-size:11px;font-weight:800}.headerHealth i{width:7px;height:7px;border-radius:50%;background:var(--bad)}.headerHealth.online i{background:var(--good);box-shadow:0 0 0 4px color-mix(in srgb,var(--good) 12%,transparent)}.iconButton{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:var(--panel);display:grid;place-items:center;cursor:pointer}.iconButton svg{width:18px;height:18px}.iconButton:hover{border-color:var(--line2);background:var(--panel2)}

.appShell{max-width:var(--max);margin:auto;padding:28px 20px 48px}.eyebrow{display:block;color:var(--accent);font-size:10px;letter-spacing:.13em;text-transform:uppercase;font-weight:900}
.pageIntro{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:18px}.introCopy{min-width:0}.introCopy h1{font-size:clamp(30px,4vw,48px);letter-spacing:-.045em;line-height:1;margin:6px 0 9px}.introCopy p{margin:0;color:var(--muted);font-size:14px;max-width:760px}.introStats{display:grid;grid-template-columns:repeat(4,minmax(88px,1fr));gap:8px;min-width:min(520px,45vw)}.introStats div{padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.introStats strong,.introStats span{display:block}.introStats strong{font-size:17px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.introStats span{margin-top:1px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:800}

.commandBar{display:flex;gap:9px;padding:10px;border:1px solid var(--line);border-radius:16px;background:var(--panel);box-shadow:var(--shadow);margin-bottom:10px}.searchField{display:flex;align-items:center;gap:10px;flex:1;min-width:0;padding:0 12px;border:1px solid transparent;border-radius:11px;background:var(--bg2)}.searchField:focus-within{border-color:color-mix(in srgb,var(--accent) 50%,var(--line));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 9%,transparent)}.searchField svg{width:20px;height:20px;color:var(--accent);flex:0 0 auto}.searchField input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:16px;padding:11px 0}.searchField input::placeholder{color:var(--muted2)}.searchField kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;background:var(--panel2);color:var(--muted);font:700 10px/1 ui-monospace,SFMono-Regular,Menlo,monospace;padding:5px 7px}
.locationButton,.filterButton,.compactButton,.loadMore{border:1px solid var(--line);background:var(--panel2);border-radius:11px;cursor:pointer;font-weight:800}.locationButton{display:flex;align-items:center;gap:8px;padding:0 14px;white-space:nowrap}.locationButton svg,.filterButton svg{width:18px;height:18px;color:var(--accent)}.locationButton:hover,.filterButton:hover,.compactButton:hover,.loadMore:hover{border-color:var(--line2);background:var(--panel3)}.filterButton{display:none;align-items:center;gap:8px;padding:0 13px}

.loadState{display:flex;align-items:center;gap:9px;min-height:34px;color:var(--muted);font-size:12px;padding:0 2px}.loadState.ready{display:none}.loadSpinner{width:14px;height:14px;border:2px solid var(--line2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.loadTrack{height:3px;min-width:120px;max-width:260px;flex:1;background:var(--line);border-radius:999px;overflow:hidden}.loadTrack i{display:block;height:100%;width:4%;background:var(--accent);transition:width .2s ease}@keyframes spin{to{transform:rotate(360deg)}}

.explorerLayout{display:grid;grid-template-columns:246px minmax(0,1fr) 338px;gap:14px;align-items:start}.filterPanel,.resultsPanel,.mapPanel,.qualityPanel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}.filterPanel{padding:14px;position:sticky;top:78px;max-height:calc(100vh - 94px);overflow:auto;scrollbar-width:thin}.panelTitle{display:flex;justify-content:space-between;align-items:center;padding:2px 2px 10px}.panelTitle h2,.resultsHeading h2,.railHeader h2,.qualityPanel h2{margin:3px 0 0;letter-spacing:-.03em}.panelTitle h2{font-size:20px}.panelClose{display:none;border:0;background:transparent;color:var(--muted);font-size:25px;cursor:pointer}
.serviceList{display:grid;gap:3px}.serviceChoice{width:100%;display:grid;grid-template-columns:32px minmax(0,1fr) auto;gap:9px;align-items:center;border:1px solid transparent;background:transparent;border-radius:11px;padding:8px 9px;text-align:left;cursor:pointer}.serviceChoice:hover{background:var(--panel2)}.serviceChoice.active{background:color-mix(in srgb,var(--accent) 10%,var(--panel2));border-color:color-mix(in srgb,var(--accent) 28%,var(--line));}.serviceIcon{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:var(--panel2);color:var(--muted)}.serviceChoice.active .serviceIcon{background:color-mix(in srgb,var(--accent) 15%,var(--panel3));color:var(--accent)}.serviceIcon svg{width:17px;height:17px}.serviceChoice>span:nth-child(2){min-width:0}.serviceChoice strong,.serviceChoice small{display:block}.serviceChoice strong{font-size:12.5px;line-height:1.2}.serviceChoice small{margin-top:2px;color:var(--muted);font-size:9.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.serviceChoice>b{color:var(--muted);font-size:10.5px;font-variant-numeric:tabular-nums}.serviceChoice.active>b{color:var(--accent)}
.filterSection{margin-top:14px;padding-top:13px;border-top:1px solid var(--line);display:grid;gap:9px}.filterSectionHead{display:flex;align-items:center;justify-content:space-between}.filterSectionHead strong{font-size:11px;text-transform:uppercase;letter-spacing:.09em}.filterSectionHead button{border:0;background:transparent;color:var(--accent);font-size:10px;font-weight:800;cursor:pointer}.fieldLabel{display:grid;gap:5px}.fieldLabel>span{color:var(--muted);font-size:9.5px;text-transform:uppercase;letter-spacing:.09em;font-weight:800}.fieldLabel select,.toolbarControls select{width:100%;border:1px solid var(--line);border-radius:9px;background:var(--bg2);color:var(--text);padding:8px 10px;outline:0}.fieldLabel select:focus,.toolbarControls select:focus{border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}.switchRow{display:flex;gap:9px;align-items:flex-start;padding:8px 1px;cursor:pointer}.switchRow input{margin:3px 0 0;accent-color:var(--accent)}.switchRow strong,.switchRow small{display:block}.switchRow strong{font-size:11px}.switchRow small{font-size:9.5px;color:var(--muted);margin-top:1px}.locationState{min-height:18px;color:var(--muted);font-size:10.5px}.locationState.active{color:var(--good)}

.resultsPanel{padding:16px;min-width:0}.resultsToolbar{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;padding:2px 2px 12px;border-bottom:1px solid var(--line)}.resultsHeading{min-width:0}.resultsHeading h2{font-size:25px}.resultsHeading p{margin:4px 0 0;color:var(--muted);font-size:11.5px}.toolbarControls{display:flex;gap:7px;align-items:center}.toolbarControls select{min-width:145px;padding:8px 28px 8px 10px}.compactButton{padding:8px 10px;color:var(--muted);font-size:11px}.activeFilters{display:flex;gap:6px;flex-wrap:wrap;padding-top:10px}.activeFilters:empty{display:none}.filterChip{display:inline-flex;align-items:center;gap:5px;padding:5px 8px;border-radius:999px;background:var(--panel2);border:1px solid var(--line);color:var(--muted);font-size:10px}.filterChip strong{color:var(--text)}
.results{display:grid;gap:7px;margin-top:11px}.freqRow{display:grid;grid-template-columns:132px minmax(0,1fr) 190px;gap:14px;align-items:center;padding:12px 13px;border:1px solid var(--line);border-radius:12px;background:var(--panel2);cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .15s ease}.freqRow:hover,.freqRow:focus-visible{outline:0;border-color:color-mix(in srgb,var(--accent) 32%,var(--line));background:color-mix(in srgb,var(--accent) 4%,var(--panel2));transform:translateY(-1px)}.frequencyBlock{min-width:0}.frequency{font:800 18px/1.1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:-.035em;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}.frequencyRange{display:block;color:var(--muted);font-size:9.5px;margin-top:3px}.distanceTag{display:inline-flex;margin-top:5px;padding:3px 6px;border-radius:999px;background:color-mix(in srgb,var(--good) 10%,transparent);color:var(--good);font-size:9px;font-weight:800}.recordMain{min-width:0}.recordMain h3{font-size:13.5px;line-height:1.25;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recordPlace{margin:3px 0 0;color:var(--muted);font-size:10.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recordSub{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;color:var(--muted2);font-size:9.5px}.recordSub span{white-space:nowrap}.recordFlags{display:flex;justify-content:flex-end;gap:5px;flex-wrap:wrap}.tag{display:inline-flex;align-items:center;max-width:100%;padding:4px 7px;border:1px solid var(--line);border-radius:999px;background:var(--bg2);color:var(--muted);font-size:9px;font-weight:800;text-transform:capitalize;white-space:nowrap}.tag.family{color:var(--text)}.tag.analogue{color:var(--warn)}.tag.digital{color:var(--good)}.tag.verified{color:var(--accent)}
.skeleton{height:76px;border-radius:12px;background:linear-gradient(90deg,var(--panel2),var(--panel3),var(--panel2));background-size:200% 100%;animation:shimmer 1.2s linear infinite}@keyframes shimmer{to{background-position:-200% 0}}.emptyState{padding:48px 24px;border:1px dashed var(--line2);border-radius:13px;text-align:center;color:var(--muted)}.emptyState svg{width:34px;height:34px;margin:0 auto 12px;color:var(--muted2)}.emptyState strong{display:block;color:var(--text);font-size:15px;margin-bottom:5px}.emptyState p{margin:0;font-size:12px}.loadMore{display:block;width:100%;margin-top:10px;padding:10px 14px;color:var(--muted)}

.rightRail{display:grid;gap:14px;align-content:start;position:sticky;top:78px}.mapPanel{overflow:hidden}.railHeader{display:flex;justify-content:space-between;align-items:flex-end;padding:14px 15px 11px}.railHeader h2{font-size:20px}.railHeader>span{font-size:10px;color:var(--muted)}#map{height:360px;background:var(--map-bg)}.mapFoot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 13px;color:var(--muted);font-size:9.5px}.mapFoot button{border:0;background:transparent;color:var(--accent);font-weight:800;font-size:9.5px;cursor:pointer}.qualityPanel{padding:16px}.qualityPanel h2{font-size:19px}.qualityPanel p{color:var(--muted);font-size:11px;margin:7px 0 0}.qualityPanel p.quiet{font-size:10px}.qualityGrid{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:13px}.qualityGrid div{padding:10px;border:1px solid var(--line);border-radius:10px;background:var(--panel2)}.qualityGrid strong,.qualityGrid span{display:block}.qualityGrid strong{font-size:16px}.qualityGrid span{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.leaflet-container{font:inherit;background:var(--map-bg)}.leaflet-popup-content-wrapper,.leaflet-popup-tip{background:var(--panel);color:var(--text)}.leaflet-popup-content{font-size:11px;line-height:1.45}.leaflet-control-attribution{font-size:8px!important}.userMarker{width:14px!important;height:14px!important;border:3px solid #fff;border-radius:50%;background:var(--good);box-shadow:0 0 0 5px color-mix(in srgb,var(--good) 20%,transparent)}

.drawer[hidden]{display:none}.drawer{position:fixed;inset:0;z-index:1000;display:flex;justify-content:flex-end}.drawerBackdrop{position:absolute;inset:0;border:0;background:rgba(2,7,12,.62);backdrop-filter:blur(4px);cursor:default}.drawerPanel{position:relative;width:min(560px,94vw);height:100%;overflow:auto;background:var(--panel);border-left:1px solid var(--line);box-shadow:-24px 0 70px rgba(0,0,0,.28);padding:24px}.drawerHandle{display:none}.drawerClose{position:absolute;right:15px;top:14px;width:34px;height:34px;border:1px solid var(--line);border-radius:10px;background:var(--panel2);color:var(--muted);font-size:22px;cursor:pointer}.detailTop{padding-right:45px}.detailTop h2{font-size:22px;line-height:1.2;margin:7px 0 5px}.detailFreq{font:900 clamp(28px,5vw,40px)/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:-.055em;color:var(--accent);margin-top:16px}.detailRange{color:var(--muted);font-size:11px;margin-top:4px}.detailTags{display:flex;gap:6px;flex-wrap:wrap;margin-top:13px}.detailGrid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.detailGrid div{padding:11px;border:1px solid var(--line);border-radius:10px;background:var(--panel2)}.detailGrid small,.detailGrid strong{display:block}.detailGrid small{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.08em}.detailGrid strong{margin-top:3px;font-size:12px;overflow-wrap:anywhere}.detailNotes{margin-top:16px;padding:12px;border-left:3px solid color-mix(in srgb,var(--accent) 60%,var(--line));background:var(--panel2);border-radius:0 9px 9px 0;color:var(--muted);font-size:11.5px}.detailSection{margin-top:22px}.detailSection h3{font-size:13px;margin:0 0 9px}.sourceList{display:grid;gap:7px}.sourceItem{padding:11px;border:1px solid var(--line);border-radius:10px;background:var(--panel2)}.sourceItem strong{font-size:11.5px}.sourceItem .authority{display:inline-block;margin-left:5px;color:var(--accent);font-size:9px;text-transform:uppercase;font-weight:900}.sourceItem a{display:block;margin-top:5px;color:var(--accent);font-size:10px;overflow-wrap:anywhere}.sourceItem p{margin:5px 0 0;color:var(--muted);font-size:10px}.detailSkeleton{height:380px;border-radius:14px;background:linear-gradient(90deg,var(--panel2),var(--panel3),var(--panel2));background-size:200% 100%;animation:shimmer 1.2s linear infinite}

.footer{max-width:var(--max);margin:0 auto;padding:0 20px 32px;display:flex;gap:16px;justify-content:space-between;color:var(--muted);font-size:10.5px}.footer a{color:var(--accent)}

@media(max-width:1280px){.explorerLayout{grid-template-columns:238px minmax(0,1fr)}.rightRail{grid-column:1/-1;position:static;grid-template-columns:minmax(0,1.5fr) minmax(280px,.5fr)}#map{height:320px}}
@media(max-width:900px){.desktopNav{display:none}.introStats{min-width:0;width:100%}.pageIntro{display:grid}.explorerLayout{grid-template-columns:1fr}.filterButton{display:flex}.filterPanel{display:none;position:fixed;z-index:800;inset:64px 0 0 auto;width:min(360px,92vw);max-height:none;border-radius:0;border-top:0;border-bottom:0;border-right:0;padding:18px;box-shadow:-30px 0 70px rgba(0,0,0,.35)}.filterPanel.open{display:block}.panelClose{display:block}.resultsPanel{grid-column:1}.rightRail{grid-column:1;grid-template-columns:1fr}.qualityPanel{order:2}.mapPanel{order:1}.serviceChoice small{white-space:normal}.filterPanel::before{content:"";position:fixed;inset:64px min(360px,92vw) 0 0;background:rgba(2,7,12,.5);backdrop-filter:blur(3px);z-index:-1}.footer{flex-wrap:wrap}}
@media(max-width:700px){.appShell{padding:18px 10px 36px}.headerInner{padding:0 10px}.brandText small{display:none}.headerHealth{display:none}.pageIntro{margin-bottom:13px}.introCopy h1{font-size:34px}.introStats{grid-template-columns:1fr 1fr}.introStats div{padding:10px 11px}.commandBar{display:grid;grid-template-columns:1fr auto auto;padding:7px}.searchField{grid-column:1/-1}.searchField kbd{display:none}.locationButton,.filterButton{height:40px;justify-content:center}.locationButton{grid-column:1/3}.filterButton{grid-column:3}.loadState{padding:0 2px}.loadTrack{display:none}.resultsPanel{padding:10px;border-radius:15px}.resultsToolbar{align-items:flex-start}.resultsHeading h2{font-size:21px}.toolbarControls{display:grid;justify-items:end}.toolbarControls select{min-width:130px}.freqRow{grid-template-columns:1fr auto;gap:9px;padding:11px}.frequencyBlock{grid-column:1}.recordFlags{grid-column:2;grid-row:1/3;max-width:110px}.recordMain{grid-column:1}.frequency{font-size:17px}.recordMain h3{font-size:13px}.recordSub{gap:6px}.tag{font-size:8.5px;padding:3px 6px}.rightRail{gap:10px}.mapPanel,.qualityPanel{border-radius:15px}#map{height:300px}.footer{padding:0 10px 25px}.drawer{align-items:flex-end}.drawerPanel{width:100%;height:min(86%,760px);border-left:0;border-top:1px solid var(--line);border-radius:20px 20px 0 0;padding:18px 14px 28px}.drawerHandle{display:block;width:42px;height:4px;border-radius:999px;background:var(--line2);margin:0 auto 10px}.detailGrid{grid-template-columns:1fr}.drawerClose{top:12px;right:12px}}
@media(max-width:430px){.introStats strong{font-size:15px}.introStats span{font-size:8.5px}.resultsToolbar{display:grid}.toolbarControls{display:flex;justify-items:normal;width:100%}.toolbarControls label{flex:1}.toolbarControls select{min-width:0}.freqRow{grid-template-columns:minmax(0,1fr)}.recordFlags{grid-column:1;grid-row:auto;justify-content:flex-start;max-width:none}.frequencyBlock,.recordMain{grid-column:1}.recordSub{white-space:normal}.mapFoot{align-items:flex-start}.footer{display:grid;gap:5px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.loadSpinner,.skeleton,.detailSkeleton{animation:none}.freqRow{transition:none}}