/* Page tokens, header, sidebar and controls follow the ECMWF ensemble explorer (explorer/explorer.css), so the tabs match. */
:root{
  color-scheme:light;
  --page:#f6f5f1; --surface:#ffffff; --ink:#1d1d1b; --ink2:#4a4945; --muted:#7a7873; --accent:#2a62c9;
  --grid:#e6e4dd; --axis:#c9c6bd; --border:#dddbd4; --wash:rgba(0,0,0,.04);
  --warm:#e34948; --cool:#2a78d6; --cmp:#eb6834;
  --band1:#efeee9; --band2:#dedcd4; --hl:#fff6d6;
  --box:#d6006f;
  /* map colours (read by app.js) */
  --map-sea:#f3f3f0; --map-land:#e2e0d8; --map-coast:#3f3e3b; --map-coast-halo:rgba(255,255,255,.55); --map-contour:rgba(11,11,11,.72); --map-contour-halo:none;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --page:#161615; --surface:#20201e; --ink:#ecebe6; --ink2:#c4c2bb; --muted:#8f8d87; --accent:#6c9bf0;
    --grid:#2c2c2a; --axis:#46453f; --border:#3a3936; --wash:rgba(255,255,255,.05);
    --warm:#e66767; --cool:#3987e5; --cmp:#d95926;
    --band1:#232321; --band2:#34342f; --hl:#3a3420;
    --box:#ff4fa8;
    --map-sea:#161615; --map-land:#2a2a27; --map-coast:#f2f1ec; --map-coast-halo:rgba(13,13,13,.9); --map-contour:rgba(255,255,255,.75); --map-contour-halo:rgba(13,13,13,.8);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --page:#161615; --surface:#20201e; --ink:#ecebe6; --ink2:#c4c2bb; --muted:#8f8d87; --accent:#6c9bf0;
  --grid:#2c2c2a; --axis:#46453f; --border:#3a3936; --wash:rgba(255,255,255,.05);
  --warm:#e66767; --cool:#3987e5; --cmp:#d95926;
  --band1:#232321; --band2:#34342f; --hl:#3a3420;
  --box:#ff4fa8;
  --map-sea:#161615; --map-land:#2a2a27; --map-coast:#f2f1ec; --map-coast-halo:rgba(13,13,13,.9); --map-contour:rgba(255,255,255,.75); --map-contour-halo:rgba(13,13,13,.8);
}
*{box-sizing:border-box}
[hidden],.hidden{display:none!important}
html,body{margin:0;height:100%}
body{display:flex;flex-direction:column;background:var(--page);color:var(--ink);font:15px/1.4 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit}

/* the explorer's header and section tabs */
.top{display:flex;align-items:center;gap:12px;padding:8px 16px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.top h1{font-size:1.05rem;margin:0;white-space:nowrap}
.grow{flex:1}
.muted{color:var(--muted)}
.keys{font-size:.88rem}
kbd{font:.75rem ui-monospace,Menlo,monospace;border:1px solid var(--border);border-bottom-width:2px;border-radius:4px;padding:0 4px;background:var(--page);color:var(--ink2)}
.apptabs{display:flex;gap:2px;background:var(--page);border:1px solid var(--border);border-radius:8px;padding:2px}
.apptabs a{padding:3px 11px;border-radius:6px;font-size:.86rem;color:var(--ink2);text-decoration:none;white-space:nowrap}
.apptabs a[href]:hover{background:var(--surface);color:var(--ink)}
.apptabs a.on{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.15)}
.apptabs a.soon{color:var(--muted);opacity:.6;cursor:default}
a.button,#theme{font:inherit;font-size:.88rem;color:var(--ink);background:var(--page);border:1px solid var(--border);border-radius:6px;padding:4px 9px;text-decoration:none;white-space:nowrap;cursor:pointer;min-height:30px}
a.button:hover,#theme:hover{border-color:var(--muted)}

.seg{display:inline-flex;gap:2px;background:var(--page);border:1px solid var(--border);border-radius:8px;padding:2px}
.seg button{border:0;background:none;color:var(--ink2);padding:2px 10px;border-radius:6px;font:inherit;font-size:.84rem;cursor:pointer;min-height:26px}
label.f .seg{align-self:stretch}
label.f .seg button{flex:1;white-space:nowrap;padding:2px 6px;font-size:.8rem}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.15)}

main{flex:1;display:flex;min-height:0}

/* the left margin: panels as in the explorer */
#panel{width:300px;flex:none;overflow-y:auto;padding:12px;background:var(--page);border-right:1px solid var(--border)}
#panel section{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-bottom:10px}
#panel .intro h2{font-size:1rem;margin:0;letter-spacing:-.01em}
#panel .intro .sub{font-size:.78rem;color:var(--muted);margin:2px 0 10px}
#panel .intro .row{margin-bottom:0}
h3{display:flex;align-items:center;gap:6px;font-size:.9rem;margin:0 0 8px;font-weight:700;color:var(--ink)}
.row{display:flex;gap:6px;margin-bottom:8px;align-items:flex-end}
.row>label{flex:1;min-width:0}
label.f{display:flex;flex-direction:column;gap:3px;font-size:.8rem;color:var(--ink2)}
label.check{display:inline-flex;flex-direction:row;align-items:center;gap:6px;color:var(--ink);font-size:.84rem;padding-bottom:6px;white-space:nowrap}
label.check input{accent-color:var(--accent);margin:0}
select,input[type=number],.btn{font:inherit;font-size:.88rem;color:var(--ink);background:var(--page);border:1px solid var(--border);border-radius:6px;padding:4px 7px;min-height:30px}
select,input[type=number]{width:100%;min-width:0}
.btn{cursor:pointer}
.btn:hover,select:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}
.btn.primary:hover{opacity:.88}
.btn.active{background:var(--box);border-color:var(--box);color:#fff;font-weight:600}
.buttons .btn{flex:1}
.box-inputs{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin-bottom:8px}
.note{font-size:.76rem;color:var(--muted);margin:4px 0 0;line-height:1.35}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px}

/* small "i" badge that carries a tooltip */
.i{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border-radius:50%;
   border:1px solid var(--axis);color:var(--muted);font:600 10px/1 system-ui,sans-serif;font-style:normal;
   text-transform:none;letter-spacing:0;cursor:help;flex:none;vertical-align:1px;margin-left:3px;background:var(--surface)}
.i:hover,.i:focus{color:var(--ink);border-color:var(--ink2);outline:none}
#tip{position:fixed;z-index:20;pointer-events:none;background:var(--surface);color:var(--ink);border:1px solid var(--border);
     border-radius:8px;padding:8px 10px;font-size:12px;line-height:1.45;box-shadow:0 4px 18px rgba(0,0,0,.14);max-width:300px;display:none}
#tip .h{font-weight:650;margin-bottom:3px}

#jSummary{font-size:13px;line-height:1.5}
#jSummary b{font-variant-numeric:tabular-nums}
#jSummary .m{color:var(--ink2);font-size:12px}
#jChart{width:100%;display:block;margin-top:6px;overflow:visible}
#jChart .tick text{fill:var(--muted);font-size:10px}
#jChart .domain,#jChart .tick line{stroke:var(--axis)}

#mapPane{flex:1;display:flex;flex-direction:column;min-width:0;padding:10px 14px;gap:6px}
#title{font-size:14px;font-weight:600;min-height:20px}
#title .s{font-weight:400;color:var(--ink2)}
#mapWrap{position:relative;flex:1;min-height:300px;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}
#mapWrap canvas{position:absolute;inset:0;width:100%;height:100%}
#overlay{cursor:grab;touch-action:none}
#overlay.drawing{cursor:crosshair}
#readout{position:absolute;left:10px;bottom:10px;background:var(--surface);color:var(--ink);border:1px solid var(--border);border-radius:8px;
         padding:6px 9px;font-size:12px;font-variant-numeric:tabular-nums;pointer-events:none;line-height:1.45;box-shadow:0 4px 18px rgba(0,0,0,.10)}
#readout span{color:var(--ink2)}
#status{position:absolute;top:10px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:6px 12px;border-radius:8px;font-size:13px}
#status.error{background:var(--warm);color:#fff}
#legend{height:44px}
#legendSvg{width:100%}
#legendSvg text{fill:var(--ink2);font-size:11px;font-variant-numeric:tabular-nums}
#legendSvg text.u{fill:var(--muted)}
#timeline{display:flex;align-items:center;gap:6px}
.dstep{font:inherit;font-size:14px;line-height:1;min-width:34px;height:30px;border:1px solid var(--border);border-radius:6px;background:var(--page);color:var(--ink);cursor:pointer}
.dstep:hover{border-color:var(--muted)}
#slider{flex:1;accent-color:var(--accent)}
#timeLabel{min-width:200px;font-variant-numeric:tabular-nums;font-size:.88rem}
#speed{width:auto}

@media (max-width:1100px){ .keys{display:none} }
@media (max-width:820px){
  .top{padding:8px 12px}
  main{flex-direction:column}
  #panel{width:100%;border-right:none;border-bottom:1px solid var(--border);max-height:45vh}
  #mapWrap{min-height:60vw}
  #timeLabel{min-width:0}
}