/* PopFlux — styling derived from the POC (popflux-simple.html) */
:root{
  --bg:#0f1524; --panel:#182034; --line:#2a3550; --ink:#e8edf7; --muted:#8b98b5;
  --accent:#4da3ff; --ok:#4ade80; --bad:#f87171; --warn:#fbbf24;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:14px/1.45 -apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);overflow:hidden}

/* header */
header{height:54px;padding:0 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:baseline;gap:8px}
.brand h1{margin:0;font-size:16px;font-weight:700;letter-spacing:.3px}
.brand-sub{font-size:11px;color:var(--muted)}
#tabs{display:flex;gap:4px;flex:1}
.tab-btn{padding:7px 16px;background:transparent;border:1px solid transparent;border-radius:6px;color:var(--muted);font-size:13px;font-weight:600;cursor:pointer}
.tab-btn:hover{color:var(--ink)}
.tab-btn.active{color:var(--accent);border-color:var(--line);background:var(--panel)}
.ghost-btn{padding:6px 12px;background:transparent;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:12px;cursor:pointer}
.ghost-btn:hover{color:var(--ink)}
.badge{display:inline-block;min-width:18px;padding:1px 5px;border-radius:9px;background:var(--accent);color:#04101f;font-size:11px;font-weight:700;text-align:center}

/* layout */
.tab-page{display:none;height:calc(100% - 55px)}
.tab-page.active{display:flex}
.panel{width:340px;flex:0 0 340px;padding:16px;background:var(--panel);border-right:1px solid var(--line);overflow-y:auto}
.panel.wide{width:560px;flex:0 0 560px}
.stage{flex:1;position:relative}
.map{width:100%;height:100%;background:#aab7c4}
.leaflet-container{background:#aab7c4}
.leaflet-pop-pane{filter:blur(0.8px)}

/* controls */
h3{margin:16px 0 6px;font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
label{display:block;margin:10px 0 4px;font-size:12px;color:var(--muted)}
input,select{width:100%;padding:8px 10px;background:var(--bg);border:1px solid var(--line);border-radius:6px;color:var(--ink);font-size:13px}
input[type=range]{padding:0}
button.place{width:100%;margin-top:6px;padding:9px;background:transparent;border:1px solid var(--accent);border-radius:6px;color:var(--accent);cursor:pointer;font-size:13px;font-weight:600}
button.place:hover{background:rgba(77,163,255,.10)}
button.place:disabled{border-color:var(--line);color:var(--muted);cursor:not-allowed;background:transparent}
button.go{width:100%;margin-top:14px;padding:11px;background:var(--accent);color:#04101f;border:0;border-radius:6px;font-weight:700;font-size:14px;cursor:pointer}
button.go:disabled{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:8px}
.btn-row .place{flex:1}
.mini-btn{padding:5px 10px;background:var(--bg);border:1px solid var(--line);border-radius:6px;color:var(--ink);font-size:12px;cursor:pointer}
.mini-btn.active{border-color:var(--accent);color:var(--accent)}

/* segmented Basic/Pro */
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg-btn{flex:1;padding:9px;background:transparent;border:0;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer}
.seg-btn.active{background:var(--accent);color:#04101f}

/* pro-only elements hidden in basic mode */
body:not(.pro) .proonly{display:none !important}

/* lists */
.st{display:flex;align-items:center;gap:7px;margin:5px 0;font-size:12px}
.st .dot{width:11px;height:11px;border-radius:50%;flex:0 0 auto;background:#fff;border:2px solid #1f2937}
.st input.nm{flex:1;padding:4px 7px;font-size:12px}
.st input[type=checkbox]{width:auto}
.st .del{color:var(--muted);cursor:pointer;font-size:14px}
.st .del:hover{color:var(--bad)}

/* status / results / provenance */
.status{margin-top:12px;font-size:12px;color:var(--muted);min-height:16px;white-space:pre-wrap}
.status.bad{color:var(--bad)}
.status.ok{color:var(--ok)}
.results{margin-top:12px;font-size:12px}
.results .row{display:flex;align-items:center;gap:7px;margin:3px 0}
.results .tot{margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}
.results b{color:var(--ink)}
.hint{margin-top:6px;font-size:11px;color:var(--muted);line-height:1.5}
.meta{margin-top:8px;font-size:11px;color:var(--muted)}
.meta b{color:var(--ink)}
.warn{margin-top:8px;padding:8px 10px;border:1px solid var(--warn);border-radius:6px;color:var(--warn);font-size:12px}
.prov{margin-top:14px;font-size:10px;color:var(--muted);line-height:1.5;border-top:1px solid var(--line);padding-top:8px}
.prov b{color:var(--ink)}
.dl-h{margin-top:20px}
.code{margin:8px 0;padding:10px;background:var(--bg);border:1px solid var(--line);border-radius:6px;font-size:12px;color:var(--ink);overflow-x:auto}

/* utilities submenu */
.umenu{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;border:1px solid var(--line);border-radius:8px;padding:6px;background:var(--bg)}
.umenu-lbl{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
.umenu-select{width:100%;padding:8px 10px;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font-size:12.5px;font-weight:600;cursor:pointer;margin-bottom:6px}
.tab-sub{font-size:10px;font-weight:400;color:var(--muted);opacity:.75}
.card-sub{font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.01em}
.pf-page-h{font-size:16px;font-weight:700;color:var(--ink);margin:0 0 10px}
.lname-edit{font-size:13px;padding:3px 6px;border:1px solid var(--line);border-radius:5px;background:var(--panel);color:var(--ink);width:60%}
.us-cols{display:flex;gap:10px}
.us-col{flex:1;min-width:0}
.us-col select{width:100%}
.info-dot,.info{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border-radius:50%;
  border:1px solid var(--line);color:var(--muted);font-size:10px;font-weight:700;cursor:help;vertical-align:middle;margin-left:4px}
.info-dot:hover,.info-dot:focus,.info:hover,.info:focus{border-color:var(--accent);color:var(--accent)}
.pf-refresh{cursor:pointer;color:var(--muted);font-size:14px;margin-left:6px;user-select:none}
.pf-refresh:hover{color:var(--accent)}
.info-dot,.info{cursor:pointer}
.pf-info-pop{position:fixed;z-index:10000;max-width:300px;background:rgba(14,18,34,.97);color:#f4ecdd;
  border:1px solid rgba(233,196,106,.32);border-radius:8px;padding:9px 12px;font-size:12px;line-height:1.45;
  box-shadow:0 8px 28px rgba(0,0,0,.45)}
.umenu-btn{text-align:left;padding:8px 10px;background:transparent;border:0;border-radius:6px;color:var(--muted);font-size:12.5px;font-weight:600;cursor:pointer}
.umenu-btn:hover{color:var(--ink)}
.umenu-btn.active{background:var(--panel);color:var(--accent);outline:1px solid var(--line)}
.upanel{display:none}
.upanel.active{display:block}

/* cards (utilities/gravity) */
.card{margin-bottom:14px;padding:14px;background:var(--bg);border:1px solid var(--line);border-radius:8px}
.card.stub{opacity:.75}
.card h3{margin-top:0}
.pill{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:9px;border:1px solid var(--line);color:var(--muted);font-size:10px;letter-spacing:.5px;text-transform:none}
.pill.live{border-color:var(--ok);color:var(--ok)}

/* pfx-tbd: muted work-in-progress markers (reusable) */
.umenu-btn.tbd{opacity:.55}
.umenu-btn.tbd:hover{opacity:.8}
.tbd-badge{display:inline-block;margin-left:6px;padding:0 5px;border-radius:8px;border:1px solid var(--line);color:var(--muted);font-size:9px;font-weight:700;letter-spacing:.5px;vertical-align:middle;text-transform:uppercase}

/* station labels on map */
.st-lbl{background:rgba(15,21,36,.82);border:0;box-shadow:none;color:#e8edf7;font-size:11px;font-weight:600;padding:1px 6px;border-radius:4px}
.st-lbl:before{display:none}

/* checkbox rows */
.chk{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink);margin-top:8px}
.chk input{width:auto}

/* legend */
.legend{margin-top:10px;font-size:11px;color:var(--muted)}
.legend div{display:flex;align-items:center;gap:7px;margin:3px 0}
.legend .sw{width:16px;height:11px;border-radius:2px;display:inline-block;flex:0 0 auto}

/* drawer */
.drawer{position:fixed;top:55px;right:-380px;width:370px;height:calc(100% - 55px);background:var(--panel);border-left:1px solid var(--line);z-index:5000;transition:right .2s ease;overflow-y:auto}
.drawer.open{right:0}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.drawer .x{cursor:pointer;color:var(--muted);font-size:18px}
.drawer .x:hover{color:var(--ink)}
#layersList{padding:10px 14px}
.layer-item{margin-bottom:10px;padding:10px;background:var(--bg);border:1px solid var(--line);border-radius:6px;font-size:12px}
.layer-item .lname{font-weight:700}
.layer-item .lmeta{margin-top:4px;font-size:10px;color:var(--muted);line-height:1.5}
.layer-item .lwarn{color:var(--warn)}
.layer-item .btn-row{margin-top:8px}

/* modal */
.modal{display:none;position:fixed;inset:0;background:rgba(4,8,20,.55);z-index:9999;align-items:center;justify-content:center}
.modal.open{display:flex}
.modal .box{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;width:360px;max-height:80vh;overflow-y:auto}
.modal .box b{font-size:13px}
.modal .mrow{display:flex;gap:8px;margin-top:14px;justify-content:flex-end}
.modal button{padding:8px 12px;border-radius:6px;font-size:13px;cursor:pointer;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.modal button.ok{background:var(--accent);color:#04101f;border:0;font-weight:700}
.modal label{margin-top:10px}
.modal .hint{font-size:11px}

/* info dot (faded ⓘ, reveals text via native title tooltip on hover/focus) */
.info{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;margin-left:5px;border-radius:50%;border:1px solid var(--line);color:var(--muted);font:italic 700 9px/1 serif;cursor:help;vertical-align:middle;opacity:.7;user-select:none}
.info:hover,.info:focus{opacity:1;border-color:var(--accent);color:var(--accent);outline:none}

/* drag-and-drop upload zone */
.dropzone{margin-top:6px;border:1px dashed var(--line);border-radius:6px;padding:7px;text-align:center;font-size:11px;color:var(--muted);cursor:pointer;transition:border-color .12s,background .12s,color .12s}
.dropzone:hover{border-color:var(--accent);color:var(--ink)}
.dropzone.drag{border-color:var(--accent);background:rgba(77,163,255,.10);color:var(--ink)}

/* detected/assumed CRS note */
.crs-note{margin-top:5px;font-size:10.5px;color:var(--muted);line-height:1.45}
.crs-note b{color:var(--ink)}

/* collapsible disclosure (native details) */
details.disc{margin-top:8px;border:1px solid var(--line);border-radius:6px}
details.disc>summary{cursor:pointer;font-size:11px;color:var(--muted);padding:7px 9px;list-style:none;user-select:none}
details.disc>summary::-webkit-details-marker{display:none}
details.disc>summary::before{content:"\25B8  ";color:var(--accent)}
details.disc[open]>summary::before{content:"\25BE  ";color:var(--accent)}
details.disc[open]>summary{border-bottom:1px solid var(--line)}
details.disc>.disc-body{padding:2px 9px 9px}

/* staged progress bar */
.pf-prog{margin-top:12px;display:none}
.pf-prog-bar{height:7px;background:var(--bg);border:1px solid var(--line);border-radius:5px;overflow:hidden}
.pf-prog-fill{height:100%;width:0;background:var(--accent);border-radius:5px;transition:width .5s ease}
.pf-prog-fill.pulse{animation:pfpulse 1.2s ease-in-out infinite}
@keyframes pfpulse{0%,100%{opacity:1}50%{opacity:.5}}
.pf-prog-meta{display:flex;justify-content:space-between;gap:8px;margin-top:5px;font-size:10.5px;color:var(--muted)}
.pf-prog-meta b{color:var(--ink);font-weight:600}

/* toast */
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%) translateY(80px);padding:10px 18px;background:var(--panel);border:1px solid var(--line);border-radius:8px;font-size:13px;z-index:9998;transition:transform .25s ease;box-shadow:0 4px 18px rgba(0,0,0,.4)}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.bad{border-color:var(--bad);color:var(--bad)}
.toast.ok{border-color:var(--ok);color:var(--ok)}

/* ============================================================
   Catchment tab (PF.catchment) — scoped .cat- prefixes.
   Appended block; owned by the catchment work.
   ============================================================ */
/* prominent catchment readout, moved high in the panel */
.cat-readout{display:none;gap:8px;margin:10px 0 4px}
.cat-readout.show{display:flex}
.cat-read-item{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 9px;min-width:0}
.cat-read-item.cat-read-emp{border-color:#31a354}
.cat-read-lbl{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.cat-read-val{font-size:19px;font-weight:800;color:var(--ink);line-height:1.15;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cat-read-item.cat-read-emp .cat-read-val{color:#3ad07e}

/* side-by-side pop/emp density controls */
.cat-dens-cols{display:flex;gap:10px;margin-top:6px}
.cat-dens-col{flex:1;min-width:0;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 9px}
.cat-col-h{font-size:11px;font-weight:700;color:var(--ink);text-transform:uppercase;letter-spacing:.4px;margin-bottom:2px}
.cat-dens-col .chk{margin-top:6px}
.cat-emp-toggle{font-weight:700;color:#3ad07e}

/* ===== Pulse tab (self-contained, pf-pulse- scoped) ===== */
.pf-pulse-stage{position:relative;overflow:hidden;background:#0b1120}
#pulseMap{position:absolute;inset:0;background:#0b1120}
.pf-pulse-stage .maplibregl-ctrl-attrib{font-size:9px}
.pf-pulse-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:6;color:#b7b0c2;font:13px ui-monospace,monospace;letter-spacing:.08em;pointer-events:none}
.pf-pulse-top{position:absolute;top:16px;left:20px;z-index:5;pointer-events:none;text-shadow:0 1px 10px rgba(0,0,0,.6)}
.pf-pulse-kicker{font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:#e9c46a;font-weight:600;margin-bottom:4px}
.pf-pulse-title{font-size:21px;font-weight:600;color:#f4ecdd}
.pf-pulse-sub{font-size:12px;color:#c3bcce;margin-top:5px;max-width:340px;line-height:1.5}
.pf-pulse-demo{display:inline-block;margin-top:3px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#8fa8c8;border:1px solid rgba(143,168,200,.4);border-radius:5px;padding:1px 6px}
.pf-pulse-clock{position:absolute;top:14px;right:24px;z-index:5;text-align:right;pointer-events:none;text-shadow:0 1px 10px rgba(0,0,0,.6)}
.pf-pulse-tc{font-family:ui-monospace,monospace;font-size:44px;font-weight:500;line-height:1;color:#f4ecdd;font-variant-numeric:tabular-nums}
.pf-pulse-tclab{font-family:ui-monospace,monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:#e9c46a;margin-top:6px}
.pf-pulse-infer{color:#e08a45;font-size:10px;letter-spacing:.12em;margin-top:4px;min-height:12px}
.pf-pulse-legend{position:absolute;left:20px;bottom:96px;z-index:5;width:250px;pointer-events:none;background:rgba(14,18,34,.72);backdrop-filter:blur(8px);padding:11px 13px;border-radius:11px;border:1px solid rgba(233,196,106,.16)}
.pf-pulse-lgh{font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:#e9c46a;margin-bottom:7px}
.pf-pulse-lgbar{height:11px;border-radius:6px;margin-bottom:6px;background:linear-gradient(90deg,#2440ff,#eef1f6,#e01030)}
.pf-pulse-lgrow{display:flex;justify-content:space-between;font-size:10px;color:#c3bcce}
.pf-pulse-lgsub{font-size:9.5px;color:#b7b0c2;margin-top:6px;line-height:1.4}
.pf-pulse-dock{position:absolute;left:50%;transform:translateX(-50%);bottom:20px;z-index:6;display:flex;align-items:center;gap:14px;background:rgba(14,18,34,.78);border:1px solid rgba(233,196,106,.18);backdrop-filter:blur(9px);padding:10px 15px;border-radius:14px;box-shadow:0 8px 40px rgba(0,0,0,.45)}
.pf-pulse-btn{height:36px;padding:0 12px;border-radius:10px;border:1px solid rgba(244,236,221,.22);background:rgba(244,236,221,.06);color:#f4ecdd;cursor:pointer;font-size:13px;display:flex;align-items:center;gap:5px;white-space:nowrap}
.pf-pulse-btn:hover{background:rgba(233,196,106,.16);border-color:#e9c46a}
.pf-pulse-btn.on{background:rgba(233,196,106,.22);border-color:#e9c46a;color:#fff}
.pf-pulse-track{position:relative;width:min(34vw,420px)}
.pf-pulse-rail{position:relative;height:5px;border-radius:3px;background:rgba(244,236,221,.14)}
.pf-pulse-fill{position:absolute;left:0;top:0;height:100%;border-radius:3px;background:linear-gradient(90deg,rgba(233,196,106,.5),#e9c46a)}
.pf-pulse-ticks span{position:absolute;top:12px;font:8.5px ui-monospace,monospace;color:#b7b0c2;transform:translateX(-50%)}
.pf-pulse-scrub{position:absolute;top:-8px;left:0;width:100%;margin:0;-webkit-appearance:none;background:transparent;cursor:pointer}
.pf-pulse-scrub::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:#e9c46a;border:2px solid #1a1330;box-shadow:0 0 12px rgba(233,196,106,.8)}
.pf-pulse-side{display:flex;flex-direction:column;gap:4px;min-width:104px}
.pf-pulse-side label{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:#b7b0c2;display:flex;justify-content:space-between}
.pf-pulse-side label b{color:#e9c46a;font-family:ui-monospace,monospace}
.pf-pulse-mini{-webkit-appearance:none;height:4px;border-radius:2px;background:rgba(244,236,221,.16);cursor:pointer}
.pf-pulse-mini::-webkit-slider-thumb{-webkit-appearance:none;width:11px;height:11px;border-radius:50%;background:#f4ecdd}