/* BNE | Ground Operations Safety — design system
   Restrained aviation-operations palette. Status is never shown by colour alone: every status
   element carries a text label (and most carry an icon). Corners are tight, surfaces are flat. */

:root{
  --navy:#0B1F3A; --navy-2:#122B4D; --navy-3:#1B3A66;
  --ink:#1C2733; --ink-2:#3C4A5A; --ink-3:#6B7A8C;
  --paper:#FFFFFF; --canvas:#F3F5F8; --grey:#E6EBF1; --grey-2:#CFD7E1;
  --blue:#1F6FEB; --blue-ink:#1759C4; --blue-soft:#E8F0FD;
  --ok:#1E8E3E; --ok-soft:#E6F4EA;
  --caution:#C98A00; --caution-soft:#FFF4D6;
  --elevated:#D9641E; --elevated-soft:#FDEBDD;
  --critical:#C8281E; --critical-soft:#FBE5E3;
  --neutral:#6B7A8C; --neutral-soft:#EEF1F5;
  --font:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:4px; --shadow:0 1px 2px rgba(11,31,58,.08),0 1px 0 rgba(11,31,58,.04);
  --side:252px; --top:56px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{overflow-x:hidden}
body{margin:0;background:var(--canvas);color:var(--ink);font:14px/1.5 var(--font);font-feature-settings:"tnum";min-height:100dvh}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
h1{font-size:20px;line-height:1.3} h2{font-size:16px} h3{font-size:14px} h4{font-size:13px;color:var(--ink-2)}
p{margin:0 0 8px} a{color:var(--blue-ink)} button{font:inherit}
.muted{color:var(--ink-3)} .small{font-size:12.5px} .mono{font-family:var(--mono)} .num{font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---- shell ---- */
.shell{display:grid;grid-template-columns:var(--side) minmax(0,1fr);grid-template-rows:var(--top) minmax(0,1fr);min-height:100dvh}
.top{grid-column:1 / -1;display:flex;align-items:center;gap:14px;padding:0 16px;background:var(--navy);color:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(255,255,255,.08)}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;min-width:0}
.brand .mark{width:30px;height:30px;border:1.5px solid rgba(255,255,255,.8);display:grid;place-items:center;font:700 12px/1 var(--font);letter-spacing:.04em;flex:none}
.brand b{font-weight:600;font-size:15px;white-space:nowrap} .brand span{opacity:.75;font-size:13px;white-space:nowrap}
.brand .div{opacity:.4;margin:0 2px}
.top .spacer{flex:1}
.top .site{font-size:12.5px;opacity:.85;white-space:nowrap}
.top .btn{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)} .top .btn:hover{background:rgba(255,255,255,.08)}
.top .btn.primary{background:var(--blue);border-color:var(--blue)}
.top .menuBtn{display:none}
.side{background:var(--paper);border-right:1px solid var(--grey);position:sticky;top:var(--top);height:calc(100dvh - var(--top));overflow:auto;padding:10px 0 20px}
.side nav a,.side nav button{display:flex;align-items:center;gap:10px;width:100%;padding:8px 16px;color:var(--ink-2);text-decoration:none;border:0;background:none;text-align:left;cursor:pointer;font-size:13.5px;border-left:3px solid transparent}
.side nav a:hover,.side nav button:hover{background:var(--canvas);color:var(--ink)}
.side nav a[aria-current=page]{color:var(--blue-ink);border-left-color:var(--blue);background:var(--blue-soft);font-weight:600}
.side nav svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.side .grp{margin-top:8px}
.side .grp>button{justify-content:space-between;font-size:11.5px;letter-spacing:.06em;color:var(--ink-3);font-weight:600;padding:8px 16px 4px}
.side .grp>button::after{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-right:4px;transition:transform .15s}
.side .grp[aria-expanded=false]>button::after{transform:rotate(-45deg)} .side .grp[aria-expanded=false] .items{display:none}
.side .tag{margin-left:auto;font-size:10.5px;padding:1px 6px;border-radius:3px;background:var(--neutral-soft);color:var(--ink-3);font-weight:600;letter-spacing:.03em}
.side .foot{padding:14px 16px 0;font-size:11.5px;color:var(--ink-3);border-top:1px solid var(--grey);margin-top:12px}
main{padding:20px 24px 80px;min-width:0}
.pageHead{display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px 16px;margin-bottom:16px}
.pageHead .crumb{font-size:12px;color:var(--ink-3);width:100%}
.pageHead p{color:var(--ink-3);margin:2px 0 0;max-width:70ch}
.pageHead .actions{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.scrim{display:none}

/* ---- surfaces ---- */
.panel{background:var(--paper);border:1px solid var(--grey);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.panel>header{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--grey)}
.panel>header h2,.panel>header h3{flex:1;min-width:0}
.panel>.body{padding:14px}
.panel>footer{padding:8px 14px;border-top:1px solid var(--grey);font-size:12px;color:var(--ink-3);display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-main{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
@media(max-width:1200px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))} .g-main{grid-template-columns:minmax(0,1fr)}}
@media(max-width:760px){.g2,.g3,.g4{grid-template-columns:minmax(0,1fr)}}
.stack{display:grid;gap:16px}

/* ---- status language ---- */
.status{display:inline-flex;align-items:center;gap:6px;padding:2px 8px 2px 6px;border-radius:3px;font-size:12px;font-weight:600;line-height:18px;white-space:nowrap;border:1px solid transparent}
.status::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;flex:none}
.status.ok{color:var(--ok);background:var(--ok-soft)}
.status.caution{color:#7A5300;background:var(--caution-soft)} .status.caution::before{background:var(--caution)}
.status.elevated{color:#8C3D0E;background:var(--elevated-soft)} .status.elevated::before{background:var(--elevated)}
.status.critical{color:var(--critical);background:var(--critical-soft)}
.status.neutral{color:var(--ink-2);background:var(--neutral-soft)} .status.neutral::before{background:var(--neutral)}
.status.lg{font-size:14px;padding:5px 12px 5px 10px}
.status.lg::before{width:10px;height:10px}
.prov{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--ink-3);border:1px solid var(--grey-2);padding:1px 7px;border-radius:3px;white-space:nowrap}
.prov.live{color:var(--ok);border-color:#BFE3C8} .prov.est{color:#7A5300;border-color:#F0D9A0} .prov.demo{color:#8C3D0E;border-color:#F3C9AE;background:#FFF8F3}
.prov.off{color:var(--ink-3);background:var(--neutral-soft)}
.prov.stale{color:#7A5300;border-color:#F0D9A0}
.band{display:flex;align-items:center;gap:12px;padding:10px 14px;border-left:4px solid var(--neutral);background:var(--paper);border-radius:var(--r);border-top:1px solid var(--grey);border-right:1px solid var(--grey);border-bottom:1px solid var(--grey)}
.band.ok{border-left-color:var(--ok)} .band.caution{border-left-color:var(--caution)} .band.elevated{border-left-color:var(--elevated)} .band.critical{border-left-color:var(--critical)}
.band b{font-weight:600}
.band .meta{margin-left:auto;font-size:12px;color:var(--ink-3);white-space:nowrap}

/* ---- metrics ---- */
.metric{padding:12px 14px;display:grid;gap:4px;min-width:0}
.metric .lbl{font-size:12.5px;color:var(--ink-3)}
.metric .val{font-size:26px;font-weight:600;line-height:1.1;letter-spacing:-.02em;display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.metric .val small{font-size:13px;font-weight:500;color:var(--ink-3)}
.metric .sub{font-size:12px;color:var(--ink-3);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.metric.na .val{color:var(--ink-3);font-size:16px;font-weight:500}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 14px;font-size:13px}
.kv dt{color:var(--ink-3)} .kv dd{margin:0;font-weight:500}

/* ---- tables ---- */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{font-weight:600;text-align:left;color:var(--ink-3);font-size:12px;letter-spacing:.02em;padding:8px 10px;border-bottom:1px solid var(--grey);background:#FAFBFC;white-space:nowrap}
.tbl td{padding:8px 10px;border-bottom:1px solid var(--grey);vertical-align:top}
.tbl td:nth-child(2){min-width:220px}
.tbl tr:last-child td{border-bottom:0}
.tbl td.r,.tbl th.r{text-align:right}
.tblWrap{overflow:auto;-webkit-overflow-scrolling:touch}

/* ---- controls ---- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--grey-2);border-radius:var(--r);background:var(--paper);color:var(--ink);cursor:pointer;font-weight:500;font-size:13px;line-height:18px;white-space:nowrap}
.btn:hover{border-color:var(--ink-3)} .btn:disabled{opacity:.5;cursor:default}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff} .btn.primary:hover{background:var(--blue-ink)}
.btn.danger{color:var(--critical);border-color:#F0B8B4}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.seg{display:inline-flex;border:1px solid var(--grey-2);border-radius:var(--r);overflow:hidden}
.seg button{border:0;background:var(--paper);padding:6px 12px;cursor:pointer;color:var(--ink-2);font-size:13px}
.seg button[aria-pressed=true]{background:var(--navy);color:#fff}
.field{display:grid;gap:4px;font-size:13px}
.field>span{color:var(--ink-2);font-weight:500}
input[type=text],input[type=number],input[type=date],input[type=time],select,textarea{font:inherit;padding:7px 10px;border:1px solid var(--grey-2);border-radius:var(--r);background:var(--paper);color:var(--ink);min-width:0;width:100%}
textarea{min-height:80px;resize:vertical}
.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px}
.switch input{appearance:none;width:34px;height:20px;border-radius:10px;background:var(--grey-2);position:relative;margin:0;cursor:pointer;flex:none}
.switch input::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:left .15s}
.switch input:checked{background:var(--blue)} .switch input:checked::after{left:16px}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* ---- empty / loading / error ---- */
.empty{padding:28px 20px;text-align:center;color:var(--ink-3);display:grid;gap:6px;justify-items:center}
.empty svg{width:28px;height:28px;stroke:var(--grey-2);fill:none;stroke-width:1.5}
.empty b{color:var(--ink-2);font-weight:600}
.skel{background:linear-gradient(90deg,var(--grey) 25%,#F3F5F8 50%,var(--grey) 75%);background-size:200% 100%;animation:sh 1.3s infinite;border-radius:3px;min-height:14px}
@keyframes sh{to{background-position:-200% 0}}
.err{padding:10px 14px;border:1px solid #F0B8B4;background:var(--critical-soft);color:#7F1D16;border-radius:var(--r);font-size:13px}
.note{padding:10px 14px;border:1px solid var(--grey);background:#FAFBFC;border-radius:var(--r);font-size:13px;color:var(--ink-2)}
.note.warnb{border-color:#F0D9A0;background:#FFFBEE}

/* ---- map ---- */
.mapWrap{position:relative;background:#0B1F3A;border-radius:var(--r);overflow:hidden;border:1px solid var(--grey)}
#map{width:100%;aspect-ratio:1/1.05;min-height:360px;max-height:70vh;background:#0B1F3A}
@media(min-width:760px){#map{aspect-ratio:1.7/1}}
@media(min-width:1200px){#map{aspect-ratio:2/1;max-height:620px}}
.mapTop{position:absolute;top:10px;left:52px;right:10px;z-index:700;display:flex;justify-content:space-between;gap:8px;pointer-events:none}
.mapTop>*{pointer-events:auto}
.mapTop .status{box-shadow:var(--shadow)}
.mapBar{display:flex;gap:10px;align-items:center;padding:8px 12px;background:var(--paper);border-top:1px solid var(--grey);flex-wrap:wrap}
.mapBar input[type=range]{flex:1;min-width:120px;accent-color:var(--blue)}
.sattile{filter:saturate(.85) brightness(.9)}
.basetile{filter:grayscale(1) contrast(.95) brightness(1.02)}
.townlbl{background:none;border:0}
.townlbl i{position:absolute;left:1px;top:1px;width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 0 1.5px rgba(0,0,0,.7)}
.townlbl span{position:absolute;left:11px;top:-6px;white-space:nowrap;font:600 12px/1 var(--font);color:#fff;text-shadow:0 0 3px #000,0 0 3px #000,0 1px 2px #000}
.townlbl.t1 span{font-size:13.5px;font-weight:700;top:-7px} .townlbl.t3 span{font-size:11px;font-weight:500}
.leaflet-container{font:12px var(--font)}
.mapbadge{background:none;border:0}
.timelbl{background:rgba(11,31,58,.85);color:#fff;font:600 11px/14px var(--font);padding:0 4px;border-radius:2px;white-space:nowrap;border:0}
.cpmark span{position:absolute;left:14px;top:-9px;background:#fff;color:var(--ink);font:600 11px/18px var(--font);padding:0 6px;border-radius:2px;white-space:nowrap;box-shadow:var(--shadow)}
.cpmark{background:var(--blue);border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 2px var(--blue)}
.leaflet-popup-content{font:13px/1.45 var(--font);margin:12px 14px}
.leaflet-popup-content-wrapper{border-radius:var(--r)}
.leaflet-control-attribution{font-size:10px}

/* ---- charts ---- */
.chart{width:100%;height:auto;display:block}
.chart text{font-family:var(--font);font-size:11px;fill:var(--ink-3)}
.chart .grid line{stroke:var(--grey);stroke-width:1}
.chart .axis line,.chart .axis path{stroke:var(--grey-2)}

/* ---- hazard panel ---- */
.hz{display:grid;grid-template-columns:minmax(0,1fr);gap:0}
.hzrow{display:grid;grid-template-columns:150px minmax(0,1fr) auto;gap:6px 14px;padding:12px 14px;border-bottom:1px solid var(--grey);align-items:start}
.hzrow:last-child{border-bottom:0}
.hzrow .name{font-weight:600;display:flex;gap:8px;align-items:center}
.hzrow .name svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none;color:var(--ink-3)}
.hzrow .read{font-size:13px}
.hzrow .read b{font-weight:600}
.hzrow .read .kv{margin-top:4px}
.hzrow .act{display:grid;gap:6px;justify-items:end}
@media(max-width:760px){.hzrow{grid-template-columns:minmax(0,1fr)} .hzrow .act{justify-items:start}}

/* ---- timeline list ---- */
.tl{list-style:none;margin:0;padding:0}
.tl li{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;padding:9px 14px;border-bottom:1px solid var(--grey);align-items:center;font-size:13px}
.tl li:last-child{border-bottom:0}
.tl time{font-family:var(--mono);font-size:12px;color:var(--ink-3)}

/* ---- toasts/dialogs ---- */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 14px;border-radius:var(--r);font-size:13px;z-index:60;box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:min(92vw,520px)}
dialog{border:1px solid var(--grey);border-radius:var(--r);padding:0;max-width:min(92vw,560px);width:100%;color:var(--ink)}
dialog::backdrop{background:rgba(11,31,58,.45)}
dialog .body{padding:16px;display:grid;gap:12px} dialog header{padding:12px 16px;border-bottom:1px solid var(--grey);display:flex;align-items:center;gap:10px}
dialog header h2{flex:1} dialog footer{padding:12px 16px;border-top:1px solid var(--grey);display:flex;gap:8px;justify-content:flex-end}
.alertBanner{position:fixed;inset:auto 0 0 0;z-index:55;background:var(--critical);color:#fff;padding:12px 16px;display:flex;gap:12px;align-items:center;font-weight:500}
.alertBanner .btn{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}

/* ---- mobile ---- */
.bottomNav{display:none}
@media(max-width:960px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .side{position:fixed;left:0;top:var(--top);width:min(84vw,300px);transform:translateX(-100%);transition:transform .18s;z-index:40;box-shadow:0 0 40px rgba(0,0,0,.25)}
  .side.open{transform:none}
  .scrim.show{display:block;position:fixed;inset:var(--top) 0 0 0;background:rgba(11,31,58,.4);z-index:35}
  .top .menuBtn{display:inline-flex}
  .brand span,.top .site,.top #refreshBtn span,.top #userBtn span{display:none}
  .top{gap:8px;padding:0 10px} .top .btn{padding:7px 9px}
  .alertBanner{display:grid;grid-template-columns:auto 1fr auto;gap:8px 10px;padding:10px 12px;font-size:13px;bottom:calc(58px + env(safe-area-inset-bottom))} .alertBanner>span:nth-child(2){grid-column:1 / -1} .alertBanner>span:first-child{grid-row:2} .alertBanner .small{display:none} .alertBanner .btn{min-height:34px;padding:5px 10px;grid-row:2} .alertBanner a.btn{justify-self:end} .toast{bottom:auto;top:calc(var(--top) + 10px)}
  main{padding:14px 12px 88px}
  .bottomNav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;background:var(--paper);border-top:1px solid var(--grey);z-index:30;padding-bottom:env(safe-area-inset-bottom)}
  .bottomNav a{display:grid;justify-items:center;gap:2px;padding:8px 4px 6px;font-size:11px;color:var(--ink-3);text-decoration:none;min-height:52px}
  .bottomNav a[aria-current=page]{color:var(--blue-ink);font-weight:600}
  .bottomNav svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .btn{min-height:40px}
  .metric .val{font-size:24px}
  .tl li{grid-template-columns:minmax(0,1fr) auto;align-items:start} .tl li>span:first-child{grid-column:1 / -1}
  .bottomNav a span{font-size:10.5px}
}
@media print{.top,.side,.bottomNav,.alertBanner,.toast{display:none!important} .shell{display:block} main{padding:0}}

/* overflow guards: tables scroll inside their panel, grids never force the page wider */
.shell,main,.stack,.grid,.panel,.panel>.body,.panel>header,.panel>footer,.band,.hzrow,.metric,.tl li,.kv,.kv dd,.pageHead,.pageHead>div{min-width:0;max-width:100%}
.tblWrap{max-width:100%}
.tbl{min-width:560px}
.panel>header{flex-wrap:wrap}
.band{flex-wrap:wrap} .band .meta{margin-left:0}
.mono{overflow-wrap:anywhere}
.tl li{grid-template-columns:auto minmax(0,1fr) auto}
.tl li>span:nth-child(2){min-width:0;overflow-wrap:anywhere}
pre{max-width:100%;overflow:auto}
@media(max-width:760px){.tbl{min-width:520px} .pageHead .actions{margin-left:0;width:100%}}