/* ================= tokens ================= */
:root{
  --ground:#EEF2F2; --panel:#FFFFFF; --panel-2:#F5F8F8; --sunk:#E6ECEC;
  --line:#D3DDDE; --line-soft:#E7EEEE;
  --ink:#0B1216; --ink-2:#3F515A; --ink-3:#6B7E86;
  --accent:#1C6B78; --accent-ink:#FFFFFF;
  --series:#2a78d6; --series-soft:rgba(42,120,214,.15);
  --good:#0ca30c; --warning:#fab219; --serious:#ec835a; --critical:#d03b3b;
  --glass:rgba(255,255,255,.72); --glass-2:rgba(255,255,255,.55);
  --glass-brd:rgba(255,255,255,.85); --glass-hi:rgba(255,255,255,.95);
  --glass-sh:0 1px 1px rgba(11,18,22,.05),0 12px 40px rgba(11,18,22,.13);
  --scrim:rgba(224,234,236,.42);
  --spring:cubic-bezier(.32,.72,0,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#080D11; --panel:#111A20; --panel-2:#162128; --sunk:#0C1418;
    --line:#24333B; --line-soft:#1A2730;
    --ink:#E9F1F2; --ink-2:#A2B5BC; --ink-3:#72868D;
    --accent:#57C2D1; --accent-ink:#05171B;
    --series:#3987e5; --series-soft:rgba(57,135,229,.22);
    --glass:rgba(21,29,35,.72); --glass-2:rgba(28,38,45,.55);
    --glass-brd:rgba(255,255,255,.11); --glass-hi:rgba(255,255,255,.18);
    --glass-sh:0 1px 1px rgba(0,0,0,.4),0 16px 46px rgba(0,0,0,.55);
    --scrim:rgba(3,9,13,.5);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ground:#080D11; --panel:#111A20; --panel-2:#162128; --sunk:#0C1418;
  --line:#24333B; --line-soft:#1A2730;
  --ink:#E9F1F2; --ink-2:#A2B5BC; --ink-3:#72868D;
  --accent:#57C2D1; --accent-ink:#05171B;
  --series:#3987e5; --series-soft:rgba(57,135,229,.22);
  --glass:rgba(21,29,35,.72); --glass-2:rgba(28,38,45,.55);
  --glass-brd:rgba(255,255,255,.11); --glass-hi:rgba(255,255,255,.18);
  --glass-sh:0 1px 1px rgba(0,0,0,.4),0 16px 46px rgba(0,0,0,.55);
  --scrim:rgba(3,9,13,.5);
  color-scheme:dark;
}

*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0; background:var(--ground); color:var(--ink); overflow:hidden;
  font-family:Archivo,"Helvetica Neue",Arial,sans-serif; font-size:14px; line-height:1.45;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{margin:0; font-weight:600; letter-spacing:-.015em; text-wrap:balance}
p{margin:0}
button{font:inherit; color:inherit}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px; border-radius:5px}
@media (prefers-reduced-motion:reduce){*{animation:none!important; transition:none!important}}
.num{font-family:"IBM Plex Mono",ui-monospace,monospace; font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ================= shell ================= */
.app{display:flex; height:100dvh; width:100%; overflow:hidden}
.sidebar{width:344px; flex:none; display:flex; flex-direction:column; background:var(--panel);
  border-right:1px solid var(--line); z-index:4; min-height:0}
.mapzone{flex:1; position:relative; min-width:0; background:var(--sunk); overflow:hidden}
#map{position:absolute; inset:0}
.maplibregl-ctrl-attrib{font-size:10px}

/* ================= sidebar ================= */
.side-hd{padding:14px 16px 12px; border-bottom:1px solid var(--line-soft);
  display:flex; gap:11px; align-items:center}
.side-hd h1{font-size:15px; line-height:1.15}
.side-hd .sub{font-size:10.5px; color:var(--ink-3)}
.live{display:inline-flex; align-items:center; gap:6px; margin-left:auto; padding:5px 11px;
  border:1px solid var(--glass-brd); border-radius:100px; background:var(--glass-2);
  box-shadow:inset 0 1px 0 var(--glass-hi); font-size:11px; color:var(--ink-2); white-space:nowrap}
.dot{width:6px;height:6px;border-radius:50%;background:var(--good);flex:none}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.28}}
.dot.pulse{animation:breathe 2.6s ease-in-out infinite}
.dot.warn{background:var(--warning)}

.side-tools{padding:10px 12px; border-bottom:1px solid var(--line-soft)}
.search{position:relative; display:flex; align-items:center}
.search svg{position:absolute; left:10px; color:var(--ink-3); pointer-events:none}
.search input{width:100%; font:inherit; font-size:13px; padding:9px 12px 9px 32px;
  border-radius:100px; border:1px solid var(--glass-brd); background:var(--glass-2);
  color:var(--ink); box-shadow:inset 0 1px 0 var(--glass-hi)}
.side-list{flex:1; overflow-y:auto; overscroll-behavior:contain; min-height:0}
.st{width:100%; text-align:left; background:none; border:0; cursor:pointer; display:block;
  padding:11px 14px; border-bottom:1px solid var(--line-soft); position:relative}
.st::before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:transparent}
.st:hover,.st[aria-current="true"]{background:var(--panel-2)}
.st[aria-current="true"]::before{background:var(--accent)}
.st-top{display:flex; align-items:flex-start; gap:9px}
.st-nm{font-size:12.5px; font-weight:500; line-height:1.3; flex:1; min-width:0}
.st-wc{display:block; font-size:10.5px; color:var(--ink-3); margin-top:2px}
.st-lv{text-align:right; flex:none}
.st-lv b{font-size:15px; font-weight:500; letter-spacing:-.02em; display:block; line-height:1.1}
.st-lv span{font-size:9.5px; color:var(--ink-3)}
.st-bot{display:flex; align-items:center; gap:8px; margin-top:7px}
.spark{flex:1; height:22px; display:block; min-width:0}
.st-tr{font-size:10px; color:var(--ink-3); flex:none}
.glyph{width:12px;height:12px;border-radius:50%;flex:none;border:1.5px solid var(--c);
  background:linear-gradient(to top,var(--c) var(--f),transparent var(--f))}
.side-ft{padding:10px 14px; border-top:1px solid var(--line-soft); font-size:10px;
  color:var(--ink-3); line-height:1.5}
.side-ft a{color:var(--ink-3)}

/* ================= glass ================= */
.glass{background:var(--glass); -webkit-backdrop-filter:blur(30px) saturate(180%);
  backdrop-filter:blur(30px) saturate(180%); border:1px solid var(--glass-brd);
  box-shadow:var(--glass-sh), inset 0 1px 0 var(--glass-hi)}
.card{background:var(--glass-2); -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%); border:1px solid var(--glass-brd);
  border-radius:20px; box-shadow:inset 0 1px 0 var(--glass-hi)}
.pillbtn{display:inline-flex; align-items:center; gap:6px; padding:5px 12px; border-radius:100px;
  font-size:11px; cursor:pointer; color:var(--ink-2); background:var(--glass-2);
  border:1px solid var(--glass-brd); box-shadow:inset 0 1px 0 var(--glass-hi);
  transition:all .2s var(--spring)}
.pillbtn:hover{color:var(--ink)}
.pillbtn:active{transform:scale(.95)}
.pillbtn[aria-pressed="true"]{background:var(--accent); color:var(--accent-ink); border-color:transparent}
.btn.primary{background:var(--accent); color:var(--accent-ink); border:1px solid transparent;
  border-radius:100px; padding:10px 16px; font-size:13px; font-weight:500; cursor:pointer;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25); transition:transform .18s var(--spring),opacity .2s}
.btn.primary:hover{opacity:.92}
.btn.primary:active{transform:scale(.98)}
.btn.primary:disabled{opacity:.4; cursor:not-allowed}
.seg{display:inline-flex; padding:3px; border-radius:100px; gap:2px; background:var(--glass-2);
  border:1px solid var(--glass-brd); box-shadow:inset 0 1px 0 var(--glass-hi)}
.seg button{border:0;background:none;cursor:pointer;padding:5px 13px;border-radius:100px;
  font-size:11.5px;color:var(--ink-3);transition:all .22s var(--spring)}
.seg button[aria-pressed="true"]{background:var(--glass);color:var(--ink);
  box-shadow:0 1px 3px rgba(0,0,0,.16),inset 0 1px 0 var(--glass-hi)}
.seg.sm button{padding:4px 11px;font-size:11px}

/* ================= map chrome ================= */
.mapui{position:absolute; right:12px; top:12px; display:flex; flex-direction:column; gap:8px; z-index:3}
.ctl{display:flex;flex-direction:column;border-radius:17px;overflow:hidden;background:var(--glass);
  -webkit-backdrop-filter:blur(24px) saturate(180%); backdrop-filter:blur(24px) saturate(180%);
  border:1px solid var(--glass-brd); box-shadow:var(--glass-sh),inset 0 1px 0 var(--glass-hi)}
.ctl button{width:38px;height:38px;border:0;background:none;cursor:pointer;display:grid;
  place-items:center;color:var(--ink-2);transition:transform .18s var(--spring),background .18s}
.ctl button+button{border-top:1px solid var(--line-soft)}
.ctl button:hover{background:var(--glass-2);color:var(--ink)}
.ctl button:active{transform:scale(.9)}
.ctl button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.maplegend{position:absolute;left:12px;bottom:34px;z-index:3;border-radius:20px;padding:12px 14px;
  background:var(--glass); -webkit-backdrop-filter:blur(26px) saturate(180%);
  backdrop-filter:blur(26px) saturate(180%); border:1px solid var(--glass-brd);
  display:flex;flex-direction:column;gap:6px;font-size:10.5px;color:var(--ink-2);
  box-shadow:var(--glass-sh),inset 0 1px 0 var(--glass-hi)}
.maplegend .t{font-size:10px;font-weight:600;color:var(--ink)}
.lgr{display:flex;align-items:center;gap:7px}

/* station markers */
.gauge-marker{cursor:pointer; will-change:transform}
.gauge-pin{width:26px;height:26px;border-radius:50%;position:relative;
  border:2.4px solid var(--c); background:var(--sunk); overflow:hidden;
  box-shadow:0 2px 8px rgba(0,0,0,.3), 0 0 0 2.5px var(--panel);
  transition:transform .2s var(--spring)}
.gauge-pin::after{content:"";position:absolute;left:0;right:0;bottom:0;
  height:var(--fill,0%); background:var(--c)}
.gauge-marker:hover .gauge-pin{transform:scale(1.12)}
.gauge-marker.sel .gauge-pin{box-shadow:0 2px 10px rgba(0,0,0,.35),0 0 0 2.5px var(--panel),0 0 0 6px color-mix(in srgb,var(--accent) 70%,transparent)}
.gauge-marker.approx .gauge-pin{border-style:dashed}
.gauge-label{position:absolute;left:50%;transform:translateX(-50%);bottom:32px;white-space:nowrap;
  font-size:11px;font-weight:600;padding:2px 7px;border-radius:100px;
  background:var(--glass);border:1px solid var(--glass-brd);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 2px 8px rgba(0,0,0,.18)}

/* ================= full-screen sheet ================= */
.detail{position:fixed; inset:0; z-index:40; display:flex; justify-content:center; padding:18px;
  opacity:0; pointer-events:none; transition:opacity .34s var(--spring)}
.detail.open{opacity:1; pointer-events:auto}
.detail::before{content:"";position:absolute;inset:0;background:var(--scrim);
  -webkit-backdrop-filter:blur(26px) saturate(140%); backdrop-filter:blur(26px) saturate(140%)}
.sheet{position:relative; width:100%; max-width:min(1720px,95vw); border-radius:32px;
  overflow:hidden; display:flex; flex-direction:column; min-height:0;
  transform:translateY(26px) scale(.975); transition:transform .42s var(--spring)}
.detail.open .sheet{transform:none}
.d-hd{display:flex;align-items:flex-start;gap:14px;padding:20px 24px 16px}
.d-hd h2{font-size:22px;letter-spacing:-.025em;line-height:1.15}
.d-hd .wc{font-size:12px;color:var(--ink-3);margin-top:3px}
.d-close{margin-left:auto;flex:none;width:36px;height:36px;border-radius:50%;cursor:pointer;
  display:grid;place-items:center;color:var(--ink-2);background:var(--glass-2);
  border:1px solid var(--glass-brd);box-shadow:inset 0 1px 0 var(--glass-hi);
  transition:transform .2s var(--spring),color .2s}
.d-close:hover{color:var(--ink);transform:scale(1.08)}
.d-body{flex:1;overflow-y:auto;overscroll-behavior:contain;min-height:0;
  padding:0 24px 26px;display:flex;flex-direction:column;gap:16px}
.d-grid{display:grid;grid-template-columns:minmax(300px,.82fr) minmax(0,2.15fr);gap:16px;align-items:stretch}
.d-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:1200px){.d-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){.d-grid,.d-grid.three{grid-template-columns:1fr}}
.pad{padding:22px}
.d-body h3{font-size:10.5px;font-family:"IBM Plex Mono",monospace;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-3);font-weight:500;margin-bottom:11px}
.readout{display:flex;gap:22px;align-items:flex-start}
.big{font-size:58px;letter-spacing:-.038em;line-height:.92}
.big small{font-size:15px;color:var(--ink-3);letter-spacing:0;margin-left:4px}
.chip{display:inline-flex;align-items:center;gap:7px;border-radius:100px;padding:5px 13px;
  font-size:12px;font-weight:500;border:1px solid;white-space:nowrap;margin-top:10px;
  box-shadow:inset 0 1px 0 var(--glass-hi)}
.kvs{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px;margin-top:20px}
.kv .kk{font-size:9.5px;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase;
  font-family:"IBM Plex Mono",monospace}
.kv .vv{font-size:15px;margin-top:3px}

.lad-bar{position:relative;height:38px;border-radius:19px;overflow:hidden;
  border:1px solid var(--glass-brd);box-shadow:inset 0 1px 3px rgba(0,0,0,.10)}
.lad-seg{position:absolute;top:0;bottom:0}
.lad-now{position:absolute;top:-5px;bottom:-5px;width:3px;border-radius:3px;background:var(--ink);
  box-shadow:0 0 0 2px var(--glass),0 2px 8px rgba(0,0,0,.35)}
.lad-key{display:flex;gap:12px;flex-wrap:wrap;margin-top:9px;font-size:10.5px;color:var(--ink-2)}
.lad-key span{display:inline-flex;align-items:center;gap:5px}
.lad-sw{width:9px;height:9px;border-radius:3px;flex:none}

.chhd{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.chhd h3{margin-bottom:0}
.chhd .seg{margin-left:auto}
.chbar{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.hint{font-size:10.5px;color:var(--ink-3);white-space:nowrap}
.chmeta{font-size:10.5px;color:var(--ink-3)}
.plotwrap{position:relative}
svg.chart{display:block;width:100%;overflow:visible}
#dChart{height:clamp(300px,42vh,520px);cursor:crosshair;touch-action:pan-y}
.axis-t{fill:var(--ink-3);font-family:"IBM Plex Mono",monospace;font-size:11px}
.chtip{position:absolute;pointer-events:none;opacity:0;z-index:3;min-width:172px;
  transform:translate(-50%,-112%);padding:11px 13px;border-radius:16px;background:var(--glass);
  -webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
  border:1px solid var(--glass-brd);box-shadow:var(--glass-sh),inset 0 1px 0 var(--glass-hi);
  transition:opacity .12s}
.chtip .tv{font-size:21px;letter-spacing:-.02em;line-height:1.05}
.chtip .tv small{font-size:11px;color:var(--ink-3);margin-left:3px}
.chtip .tt{font-size:11.5px;color:var(--ink-2);margin-top:3px}
.chtip .ts{font-size:11px;margin-top:6px;padding-top:6px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;gap:6px}
.chleg{display:flex;gap:12px;flex-wrap:wrap;font-size:10.5px;color:var(--ink-2);margin-top:8px}
.chleg span{display:inline-flex;align-items:center;gap:5px}
.lsw{width:13px;height:2px;border-radius:2px;flex:none}

.tblwrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:11.5px}
th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line-soft);white-space:nowrap}
th{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--ink-3);font-weight:500}
td.n{text-align:right;font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
.note{font-size:10.5px;color:var(--ink-3);line-height:1.55}
.note b{color:var(--ink-2)}
.warnbox{display:flex;gap:11px;padding:12px 14px;border-radius:14px;font-size:10.5px;line-height:1.55;
  border:1px solid color-mix(in srgb,var(--warning) 45%,var(--line));
  background:color-mix(in srgb,var(--warning) 9%,var(--panel));color:var(--ink-2)}
.warnbox svg{flex:none;margin-top:1px}
.warnbox b{color:var(--ink)}
.photos{display:flex;gap:9px;flex-wrap:wrap}
.ph{border:1px solid var(--glass-brd);border-radius:12px;overflow:hidden;background:var(--glass-2);
  width:132px;cursor:pointer;transition:transform .2s var(--spring)}
.ph:hover{transform:translateY(-2px)}
.ph img{width:100%;height:88px;object-fit:cover;display:block}
.ph .cap{padding:6px 8px;font-size:10px;line-height:1.35}
.ph .cap b{display:block;font-family:"IBM Plex Mono",monospace;color:var(--ink)}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.field label{font-size:9.5px;color:var(--ink-3);font-family:"IBM Plex Mono",monospace;
  letter-spacing:.06em;text-transform:uppercase}
.inp{font:inherit;font-size:13px;padding:9px 12px;border-radius:12px;width:100%;
  border:1px solid var(--glass-brd);background:var(--glass-2);color:var(--ink);
  box-shadow:inset 0 1px 0 var(--glass-hi);resize:vertical}
.msg{font-size:11.5px;margin-top:8px}
.msg.ok{color:var(--good)}
.msg.bad{color:var(--critical)}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:24px;
  background:rgba(0,0,0,.72);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.lightbox img{max-width:100%;max-height:82vh;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lightbox .meta{color:#fff;text-align:center;margin-top:12px;font-size:12px}

@media (max-width:880px){
  .app{position:relative}
  .mapzone{position:absolute;inset:0}
  .sidebar{position:absolute;left:0;right:0;bottom:0;width:auto;height:46dvh;z-index:5;
    border-right:0;border-top:1px solid var(--line);border-radius:14px 14px 0 0;box-shadow:var(--glass-sh)}
  .detail{padding:0}
  .sheet{max-width:none;border-radius:26px 26px 0 0;margin-top:9dvh;transform:translateY(100%) scale(1)}
  .detail.open .sheet{transform:none}
  .d-hd{padding:16px 18px 12px}
  .d-hd h2{font-size:19px}
  .d-body{padding:0 18px 22px}
  .maplegend{display:none}
  .mapui{right:10px;top:10px}
}