/* ============================================================================
   atlas-retail.css — commercial skin for Atlas Retail (merchant dashboard).

   This is DELIBERATELY NOT the Atlas ops chrome (ink-black tactical console).
   Atlas Retail is a BI/retail product: light-first, airy, confident, for a
   shopkeeper on a counter tablet. Theme-aware — default follows the OS, an
   explicit toggle stamps data-theme on <html> and wins in both directions.

   Palette invariants (brand law):
     - retail blue #5b86c9 / #7ea2d6  → vertical identity accent (everywhere)
     - green #15e0a1                  → ONLY live dots / OK status
     - amber #f2a326 / #f2b33c        → ONLY REQ·POS and gated / in-development
   Type: Space Grotesk (display), Inter (body), JetBrains Mono (all figures,
   tabular-nums). Fonts are vendored (no CDN) under ./fonts/.
   ========================================================================== */

@font-face{font-family:'Space Grotesk';src:url('./fonts/SpaceGrotesk.woff2') format('woff2');font-weight:400 700;font-display:swap}
@font-face{font-family:'Inter';src:url('./fonts/Inter.woff2') format('woff2');font-weight:400 600;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url('./fonts/JetBrainsMono.woff2') format('woff2');font-weight:400 600;font-display:swap}

/* ---- LIGHT tokens (default) ------------------------------------------------ */
:root{
  --bg:#f1f5fa; --bg-2:#e9eff7;
  --panel:#ffffff; --panel-2:#f8fafd; --elev:#ffffff; --inset:#f3f6fb;
  --line:rgba(24,34,49,.09); --line2:rgba(24,34,49,.14); --line3:rgba(24,34,49,.20);
  --ink:#18222e; --strong:#0c1420; --soft:#3f4c5c; --muted:#5c6a7a; --dim:#8b98a7;
  /* retail blue accent (vertical identity) */
  --ac:#5b86c9; --ac2:#7ea2d6; --ac-strong:#3a63a8;
  --ac-soft:rgba(91,134,201,.10); --ac-fill:rgba(91,134,201,.16); --ac-line:rgba(91,134,201,.28);
  /* green — live/OK only */
  --ok:#15e0a1; --ok-ink:#0a8f63; --ok-soft:rgba(21,224,161,.13); --ok-line:rgba(21,224,161,.34);
  /* amber — REQ·POS / gated only */
  --amber:#f2a326; --amber2:#f2b33c; --amber-ink:#a2650f; --amber-soft:rgba(242,163,38,.13); --amber-line:rgba(242,163,38,.36);
  --alarm:#e0574c; --alarm-soft:rgba(224,87,76,.10);
  --card-sh:0 1px 2px rgba(24,34,49,.05), 0 12px 30px rgba(58,99,168,.06);
  --card-sh-hi:0 2px 6px rgba(24,34,49,.07), 0 20px 46px rgba(58,99,168,.10);
  --heat-lo:rgba(91,134,201,.05); --heat-hi:#2a5aa0;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --head:'Space Grotesk',Inter,system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
}
/* ---- DARK tokens (refined slate — NOT the tactical ink-black) -------------- */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0f141b; --bg-2:#0b0f15;
    --panel:#161d27; --panel-2:#1a222d; --elev:#1e2732; --inset:#131a23;
    --line:rgba(233,239,243,.08); --line2:rgba(233,239,243,.13); --line3:rgba(233,239,243,.19);
    --ink:#e7edf3; --strong:#f4f8fb; --soft:#c3ccd6; --muted:#a3aeba; --dim:#6d7986;
    --ac:#5b86c9; --ac2:#8fb0e0; --ac-strong:#a9c5ec;
    --ac-soft:rgba(91,134,201,.16); --ac-fill:rgba(91,134,201,.22); --ac-line:rgba(126,162,214,.34);
    --ok:#15e0a1; --ok-ink:#3fe9b4; --ok-soft:rgba(21,224,161,.14); --ok-line:rgba(21,224,161,.34);
    --amber:#f2b33c; --amber2:#f2c46b; --amber-ink:#f2b33c; --amber-soft:rgba(242,163,38,.16); --amber-line:rgba(242,179,60,.36);
    --alarm:#f2695e; --alarm-soft:rgba(242,105,94,.13);
    --card-sh:0 1px 2px rgba(0,0,0,.3), 0 14px 34px rgba(0,0,0,.30);
    --card-sh-hi:0 2px 6px rgba(0,0,0,.36), 0 22px 50px rgba(0,0,0,.40);
    --heat-lo:rgba(91,134,201,.06); --heat-hi:#7ea2d6;
  }
}
:root[data-theme="dark"]{
  --bg:#0f141b; --bg-2:#0b0f15;
  --panel:#161d27; --panel-2:#1a222d; --elev:#1e2732; --inset:#131a23;
  --line:rgba(233,239,243,.08); --line2:rgba(233,239,243,.13); --line3:rgba(233,239,243,.19);
  --ink:#e7edf3; --strong:#f4f8fb; --soft:#c3ccd6; --muted:#a3aeba; --dim:#6d7986;
  --ac:#5b86c9; --ac2:#8fb0e0; --ac-strong:#a9c5ec;
  --ac-soft:rgba(91,134,201,.16); --ac-fill:rgba(91,134,201,.22); --ac-line:rgba(126,162,214,.34);
  --ok:#15e0a1; --ok-ink:#3fe9b4; --ok-soft:rgba(21,224,161,.14); --ok-line:rgba(21,224,161,.34);
  --amber:#f2b33c; --amber2:#f2c46b; --amber-ink:#f2b33c; --amber-soft:rgba(242,163,38,.16); --amber-line:rgba(242,179,60,.36);
  --alarm:#f2695e; --alarm-soft:rgba(242,105,94,.13);
  --card-sh:0 1px 2px rgba(0,0,0,.3), 0 14px 34px rgba(0,0,0,.30);
  --card-sh-hi:0 2px 6px rgba(0,0,0,.36), 0 22px 50px rgba(0,0,0,.40);
  --heat-lo:rgba(91,134,201,.06); --heat-hi:#7ea2d6;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1100px 620px at 82% -8%, var(--ac-soft), transparent 62%),var(--bg);
  color:var(--ink);font-family:var(--body);min-height:100vh;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--head);margin:0;letter-spacing:-.01em}
a{color:var(--ac-strong);text-decoration:none}
button{font-family:var(--body);cursor:pointer;color:inherit}
input,select,textarea{font-family:var(--body)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--line3);border-radius:999px}
::-webkit-scrollbar-track{background:transparent}
.hidden{display:none!important}

@keyframes livepulse{0%,100%{opacity:1}50%{opacity:.28}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes dotpulse{0%{transform:scale(1);opacity:.9}70%{transform:scale(2.4);opacity:0}100%{opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* =====================  BRAND SPLASH  ======================================
   A calm centered brand moment in Atlas Retail's OWN commercial skin (light-first,
   airy, retail blue) — deliberately NOT the ink-black Atlas splash. Composed by
   atlas-retail-splash.js (fades out via the .hide contract). The overlay bg is styled
   here (linked stylesheet, no injected <style>) so it paints instantly over the shell
   and there is no login flash. Theme-aware via the shared tokens. Kept lightweight —
   the octopus isotype is the reused asset; the hero motion is canvas + one CSS bloom. */
#atlas-retail-splash{
  position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  overflow:hidden;cursor:pointer;transition:opacity .6s ease;
  background:
    radial-gradient(120% 92% at 50% 34%, var(--ac-soft), transparent 60%),
    radial-gradient(80% 60% at 82% 8%, var(--ac-fill), transparent 58%),
    var(--bg);
}
#atlas-retail-splash.hide{opacity:0;pointer-events:none}
#atlas-retail-splash .splash-stage{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:28px;
  padding:24px;text-align:center;pointer-events:none;
}
#atlas-retail-splash .splash-halo{
  position:absolute;top:24px;width:360px;height:360px;max-width:82vw;max-height:82vw;border-radius:50%;
  background:radial-gradient(circle, var(--ac-fill), var(--ac-soft) 46%, transparent 70%);
  filter:blur(8px);pointer-events:none;
}
/* Hero: footfall convergence (canvas) over a soft heatmap bloom, around the isotype. */
#atlas-retail-splash .splash-hero{
  position:relative;width:224px;height:224px;max-width:64vw;max-height:64vw;display:grid;place-items:center;
}
#atlas-retail-splash .splash-bloom{
  position:absolute;inset:24%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle, var(--ac-fill), var(--ac-soft) 52%, transparent 74%);
  filter:blur(4px);animation:splash-bloom 4.6s ease-in-out infinite;
}
@keyframes splash-bloom{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.12);opacity:1}}
#atlas-retail-splash .splash-flow{
  position:absolute;inset:0;width:100%;height:100%;pointer-events:none;
}
#atlas-retail-splash .splash-oct{
  position:relative;width:128px;height:128px;max-width:38vw;max-height:38vw;
  filter:drop-shadow(0 8px 24px rgba(58,99,168,.30));animation:splash-float 5s ease-in-out infinite;
}
@keyframes splash-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
#atlas-retail-splash .splash-word{position:relative}
#atlas-retail-splash .sw-mark{
  font-family:var(--head);font-weight:700;font-size:48px;letter-spacing:-.02em;color:var(--strong);line-height:1;
}
#atlas-retail-splash .sw-sub{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.10em;text-transform:uppercase;
  color:var(--ac-strong);margin-top:14px;
}
/* Story stepper — the buyer journey. Presentation of the NARRATIVE, never system state. */
#atlas-retail-splash .splash-steps{position:relative;display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center}
#atlas-retail-splash .splash-step{display:flex;align-items:center;gap:7px}
#atlas-retail-splash .step-dot{
  width:6px;height:6px;border-radius:50%;background:var(--dim);opacity:.5;transition:all .3s ease;
}
#atlas-retail-splash .step-label{
  font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--dim);opacity:.6;transition:all .3s ease;
}
#atlas-retail-splash .splash-step.on .step-dot{
  width:9px;height:9px;background:var(--ac);box-shadow:0 0 10px var(--ac-line);opacity:1;
}
#atlas-retail-splash .splash-step.on .step-label{color:var(--ac-strong);opacity:1}
/* Sweep bar — pure brand motion, not a data claim. */
#atlas-retail-splash .splash-progress{
  position:relative;width:196px;max-width:60vw;height:2px;border-radius:999px;background:var(--line2);overflow:hidden;
}
#atlas-retail-splash .splash-progress-bar{
  position:absolute;inset:0;width:42%;
  background:linear-gradient(90deg,transparent,var(--ac),transparent);
  animation:splash-sweep 1.5s ease-in-out infinite;
}
@keyframes splash-sweep{0%{transform:translateX(-120%)}100%{transform:translateX(320%)}}
/* Entry: honest fade/scale-in (.enter → .ready). Nothing here animates data. */
#atlas-retail-splash.enter .splash-stage{opacity:0;transform:translateY(8px) scale(.985)}
#atlas-retail-splash.ready .splash-stage{
  opacity:1;transform:none;transition:opacity .7s ease, transform .7s cubic-bezier(.16,.84,.44,1);
}
#atlas-retail-splash.enter .splash-halo{opacity:0}
#atlas-retail-splash.ready .splash-halo{opacity:1;transition:opacity 1.1s ease}
@media (max-width:560px){
  #atlas-retail-splash .sw-mark{font-size:38px}
}
@media (prefers-reduced-motion: reduce){
  #atlas-retail-splash .splash-stage,
  #atlas-retail-splash.enter .splash-stage,
  #atlas-retail-splash.ready .splash-stage{opacity:1;transform:none;transition:none}
  #atlas-retail-splash.ready .splash-halo{transition:none}
  #atlas-retail-splash .splash-bloom,
  #atlas-retail-splash .splash-oct,
  #atlas-retail-splash .splash-progress-bar{animation:none}
}

/* ---- live dot -------------------------------------------------------------- */
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex:none}
.dot.live{background:var(--ok);box-shadow:0 0 0 0 var(--ok-line);animation:livepulse 2.4s ease-in-out infinite}
.dot.off{background:var(--dim)}
.dot.amber{background:var(--amber)}

/* =====================  APP SHELL  ========================================== */
#app{display:grid;grid-template-columns:236px 1fr;min-height:100vh}

/* ---- left rail (own nav — not the Atlas dock) ---- */
.rail{position:sticky;top:0;align-self:start;height:100vh;display:flex;flex-direction:column;
  background:var(--panel);border-right:1px solid var(--line);padding:20px 14px}
.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 18px}
.brand-mark{width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(150deg,var(--ac),var(--ac-strong));display:flex;align-items:center;
  justify-content:center;color:#fff;font-family:var(--head);font-weight:700;font-size:19px;
  box-shadow:0 6px 16px rgba(58,99,168,.34)}
.brand-name{font-family:var(--head);font-size:15.5px;font-weight:700;line-height:1.05;letter-spacing:-.02em}
.brand-sub{font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-top:3px}
.nav{display:flex;flex-direction:column;gap:3px;margin-top:6px}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:11px;border:1px solid transparent;
  background:transparent;color:var(--muted);font-size:13.5px;font-weight:500;text-align:left;width:100%;transition:background .12s,color .12s}
.nav-item:hover{background:var(--panel-2);color:var(--ink)}
.nav-item.active{background:var(--ac-soft);border-color:var(--ac-line);color:var(--ac-strong);font-weight:600}
.nav-item .ico{width:19px;height:19px;flex:none;display:flex;align-items:center;justify-content:center}
.nav-item .ico svg{width:19px;height:19px}
.rail-foot{margin-top:auto;padding-top:16px;display:flex;flex-direction:column;gap:9px}
.rail-user{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:11px;background:var(--panel-2);border:1px solid var(--line)}
.rail-user .av{width:30px;height:30px;border-radius:50%;flex:none;background:var(--ac-fill);color:var(--ac-strong);
  display:flex;align-items:center;justify-content:center;font-family:var(--head);font-weight:700;font-size:13px}
.rail-user .who{min-width:0;flex:1}
.rail-user .who b{display:block;font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rail-user .who span{font-family:var(--mono);font-size:9.5px;color:var(--dim)}
.rail-user .out{width:28px;height:28px;flex:none;border-radius:8px;border:1px solid var(--line2);background:transparent;color:var(--muted);font-size:13px}
.rail-user .out:hover{color:var(--alarm);border-color:var(--alarm)}

/* ---- main column ---- */
.main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;padding:16px 30px;
  background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line)}
.topbar .tb-title{min-width:0}
.topbar .tb-title h1{font-size:20px;font-weight:700}
.topbar .tb-title .sub{font-size:12.5px;color:var(--muted);margin-top:2px}
.tb-spacer{flex:1}
.tb-ctl{display:flex;align-items:center;gap:9px}
.node-pill{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:999px;
  background:var(--panel);border:1px solid var(--line2);font-size:12px;color:var(--soft);box-shadow:var(--card-sh)}
.node-pill .mono{font-size:11px;color:var(--muted)}
.seg{display:inline-flex;padding:3px;border-radius:11px;background:var(--panel-2);border:1px solid var(--line2)}
.seg button{padding:6px 10px;border-radius:8px;border:none;background:transparent;color:var(--muted);
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.02em}
.seg button.on{background:var(--panel);color:var(--ink);box-shadow:var(--card-sh)}
.icon-btn{width:38px;height:38px;border-radius:11px;border:1px solid var(--line2);background:var(--panel);
  display:flex;align-items:center;justify-content:center;color:var(--muted);box-shadow:var(--card-sh)}
.icon-btn:hover{color:var(--ink);border-color:var(--line3)}
.icon-btn svg{width:18px;height:18px}
.demo-toggle{display:inline-flex;align-items:center;gap:8px;padding:7px 12px 7px 10px;border-radius:999px;
  border:1px solid var(--amber-line);background:var(--amber-soft);color:var(--amber-ink);
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.04em}
.demo-toggle .sw{width:30px;height:17px;border-radius:999px;background:var(--line3);position:relative;transition:background .15s;flex:none}
.demo-toggle .sw::after{content:"";position:absolute;top:2px;left:2px;width:13px;height:13px;border-radius:50%;background:#fff;transition:left .15s;box-shadow:0 1px 2px rgba(0,0,0,.3)}
.demo-toggle.on .sw{background:var(--amber)}
.demo-toggle.on .sw::after{left:15px}

/* ---- demo banner (permanent seal, all screens) ---- */
.demo-banner{display:none;align-items:center;gap:11px;padding:9px 30px;
  background:repeating-linear-gradient(135deg,var(--amber-soft) 0 14px,transparent 14px 28px),var(--amber-soft);
  border-bottom:1px solid var(--amber-line);color:var(--amber-ink);font-size:12.5px;font-weight:600}
.demo-banner.show{display:flex}
.demo-banner .tag{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  padding:3px 9px;border-radius:999px;background:var(--amber);color:#1a1204;font-weight:700}
.demo-banner .x{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--amber-ink);
  border:1px solid var(--amber-line);border-radius:8px;padding:5px 10px;background:transparent}

/* ---- connection banner ---- */
#conn-banner{display:none;align-items:center;gap:10px;padding:10px 30px;font-size:13px;font-weight:600;
  background:var(--alarm-soft);border-bottom:1px solid var(--alarm);color:var(--alarm)}
#conn-banner.show{display:flex}
#conn-banner button{margin-left:auto;padding:6px 12px;border-radius:8px;border:1px solid var(--alarm);
  background:transparent;color:var(--alarm);font-size:12px;font-weight:600}

/* ---- content ---- */
.content{padding:26px 30px 60px;max-width:1360px;width:100%}
.screen{display:none;animation:rise .18s ease}
.screen.active{display:block}

/* ---- section heads ---- */
.sec-head{display:flex;align-items:baseline;gap:12px;margin:30px 2px 14px}
.sec-head:first-child{margin-top:6px}
.sec-head h2{font-size:16px;font-weight:600}
.sec-head .hint{font-family:var(--mono);font-size:10.5px;color:var(--dim);margin-left:auto}

/* ---- cards ---- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--card-sh)}
.card.pad{padding:18px}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.card-head h3{font-size:14.5px;font-weight:600}
.card-head .hint{font-family:var(--mono);font-size:10px;color:var(--dim);margin-left:auto}
.grid{display:grid;gap:16px}

/* ---- KPI ticker tiles ---- */
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(178px,1fr));gap:16px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px 17px;box-shadow:var(--card-sh);
  display:flex;flex-direction:column;gap:9px;position:relative;overflow:hidden}
.kpi .kpi-top{display:flex;align-items:center;gap:8px}
.kpi .kpi-label{font-family:var(--mono);font-size:10px;letter-spacing:.10em;text-transform:uppercase;color:var(--muted)}
.kpi .kpi-val{font-family:var(--mono);font-size:33px;font-weight:600;line-height:1;letter-spacing:-.02em;color:var(--strong)}
.kpi .kpi-val small{font-size:15px;color:var(--muted);font-weight:400;margin-left:3px}
.kpi .kpi-foot{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-height:18px}
.kpi.accent{background:linear-gradient(160deg,var(--ac-soft),transparent 70%),var(--panel)}
.kpi.accent .kpi-val{color:var(--ac-strong)}

/* ---- delta chip ---- */
.delta{display:inline-flex;align-items:center;gap:3px;font-family:var(--mono);font-size:11px;font-weight:600;
  padding:2px 7px;border-radius:999px;letter-spacing:.01em}
.delta.up{color:var(--ok-ink);background:var(--ok-soft)}
.delta.down{color:var(--alarm);background:var(--alarm-soft)}
.delta.flat{color:var(--muted);background:var(--inset)}
.delta.none{color:var(--dim);background:var(--inset)}

/* ---- maturity chips (honesty grammar) ---- */
.mat{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:9px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;padding:3px 8px;border-radius:999px;white-space:nowrap}
.mat.live{color:var(--ok-ink);background:var(--ok-soft);border:1px solid var(--ok-line)}
.mat.reqpos{color:var(--amber-ink);background:var(--amber-soft);border:1px solid var(--amber-line)}
.mat.dev{color:var(--amber-ink);background:var(--amber-soft);border:1px solid var(--amber-line)}
.mat.gated{color:var(--amber-ink);background:var(--amber-soft);border:1px solid var(--amber-line)}
.mat.nodata{color:var(--dim);background:var(--inset);border:1px solid var(--line2)}
.mat.covered{color:var(--ac-strong);background:var(--ac-soft);border:1px solid var(--ac-line)}
.mat .dot{width:6px;height:6px}

/* ---- honest empty / error / loading (connect.js .state + richer local) ---- */
.state{display:flex;flex-direction:column;gap:7px;align-items:flex-start;padding:20px;border-radius:14px;
  background:var(--panel-2);border:1px dashed var(--line2)}
.state .state-title{font-size:13.5px;font-weight:600;color:var(--soft)}
.state .state-sub{font-size:12.5px;color:var(--muted);line-height:1.5}
.state.error{border-style:solid;border-color:var(--alarm);background:var(--alarm-soft)}
.state.error .state-title{color:var(--alarm)}
.state button.retry{margin-top:4px;padding:8px 14px;border-radius:9px;background:var(--panel);
  border:1px solid var(--line2);color:var(--ink);font-size:12.5px;font-weight:600}
.spinner{width:15px;height:15px;border-radius:50%;border:2px solid var(--line2);border-top-color:var(--ac);
  animation:spin .8s linear infinite;display:inline-block;vertical-align:-2px;margin-right:6px}
.empty{display:flex;gap:13px;align-items:flex-start;padding:22px;border-radius:14px;background:var(--panel-2);border:1px dashed var(--line2)}
.empty .mk{width:9px;height:9px;border-radius:50%;margin-top:5px;flex:none;background:var(--dim)}
.empty.gated .mk{background:var(--amber)}
.empty.offline .mk{background:var(--alarm)}
.empty .e-what{font-size:13.5px;font-weight:600;color:var(--soft)}
.empty .e-why{font-size:12.5px;color:var(--muted);line-height:1.5;margin-top:4px}
.empty .e-cta{font-size:12px;color:var(--dim);margin-top:6px}

/* ---- hourly curve ---- */
.curve-wrap{padding:16px 18px 10px}
.curve-legend{display:flex;gap:16px;align-items:center;margin-bottom:6px;flex-wrap:wrap}
.curve-legend .lg{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:var(--muted)}
.curve-legend .sw{width:13px;height:3px;border-radius:2px}

/* ---- funnel ---- */
.funnel{display:flex;flex-direction:column;gap:0}
.fstep{position:relative;padding:2px 0}
.fstep .frow{display:flex;align-items:center;gap:14px}
.fstep .flabel{width:150px;flex:none}
.fstep .flabel b{display:block;font-size:13.5px;font-weight:600}
.fstep .flabel span{font-family:var(--mono);font-size:10px;color:var(--dim)}
.fbar-track{flex:1;height:44px;border-radius:10px;background:var(--inset);position:relative;overflow:hidden}
.fbar{height:100%;border-radius:10px;background:linear-gradient(90deg,var(--ac),var(--ac2));
  display:flex;align-items:center;justify-content:flex-end;padding:0 12px;min-width:52px;transition:width .5s cubic-bezier(.2,.7,.2,1)}
.fbar .fnum{font-family:var(--mono);font-size:15px;font-weight:600;color:#fff}
.fbar.locked{background:repeating-linear-gradient(135deg,var(--amber-soft) 0 9px,transparent 9px 18px),var(--amber-soft);
  border:1px dashed var(--amber-line);justify-content:flex-start;padding-left:14px}
.fbar.locked .fnum{color:var(--amber-ink);font-size:12px}
.fbar.dev{background:repeating-linear-gradient(135deg,var(--amber-soft) 0 9px,transparent 9px 18px),var(--amber-soft);
  border:1px dashed var(--amber-line);justify-content:flex-start;padding-left:14px}
.fci{position:absolute;top:0;height:100%;background:rgba(255,255,255,.28);border-left:1px dashed rgba(255,255,255,.7);border-right:1px dashed rgba(255,255,255,.7)}
.fdrop{display:flex;align-items:center;gap:8px;padding:4px 0 4px 164px;min-height:22px}
.fdrop .dl{font-family:var(--mono);font-size:10.5px;color:var(--dim)}
.fdrop .keep{font-family:var(--mono);font-size:10.5px;color:var(--ac-strong)}
.fmeta{width:150px;flex:none;text-align:right}

/* ---- heatmap ---- */
.heat-stage{position:relative;border-radius:14px;overflow:hidden;background:var(--inset);border:1px solid var(--line2)}
.heat-stage canvas{display:block;width:100%;height:auto}
.heat-svg{position:absolute;inset:0;width:100%;height:100%}
.heat-legend{display:flex;align-items:center;gap:10px;margin-top:12px;font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.heat-grad{height:9px;width:130px;border-radius:999px;background:linear-gradient(90deg,var(--heat-lo),var(--heat-hi))}
.zone-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border-radius:10px;
  background:var(--panel-2);border:1px solid var(--line2);font-size:12px}
.zone-chip .sw{width:11px;height:11px;border-radius:3px;flex:none}

/* ---- stat list rows ---- */
.stat-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.stat-row:last-child{border-bottom:none}
.stat-row .sr-label{flex:1;font-size:13px;color:var(--soft)}
.stat-row .sr-val{font-family:var(--mono);font-size:16px;font-weight:600;color:var(--strong)}
.stat-row .sr-sub{font-family:var(--mono);font-size:10.5px;color:var(--dim);width:auto}

/* ---- bars (duration buckets etc) ---- */
.hbar{display:flex;align-items:center;gap:12px;margin:9px 0}
.hbar .hb-label{width:96px;flex:none;font-size:12px;color:var(--muted)}
.hbar .hb-track{flex:1;height:12px;border-radius:999px;background:var(--inset);overflow:hidden}
.hbar .hb-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--ac),var(--ac2))}
.hbar .hb-num{width:52px;flex:none;text-align:right;font-family:var(--mono);font-size:12.5px;color:var(--soft)}

/* ---- config forms ---- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fieldset{display:flex;flex-direction:column;gap:11px}
.lbl{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:5px;display:block}
.inp{width:100%;padding:11px 12px;border-radius:11px;background:var(--inset);border:1px solid var(--line2);color:var(--ink);font-size:13.5px}
.inp:focus{outline:none;border-color:var(--ac-line);background:var(--panel)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:11px;
  border:1px solid var(--line2);background:var(--panel);color:var(--ink);font-size:13px;font-weight:600}
.btn:hover{border-color:var(--line3)}
.btn.primary{background:var(--ac);border-color:var(--ac);color:#fff;box-shadow:0 6px 16px rgba(58,99,168,.28)}
.btn.primary:hover{background:var(--ac-strong)}
.btn.amber{background:var(--amber-soft);border-color:var(--amber-line);color:var(--amber-ink)}
.btn:disabled{opacity:.5;cursor:default}
.form-note{font-size:11.5px;color:var(--dim);line-height:1.5;margin-top:8px}

/* zone editor canvas */
.zed-wrap{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line2);background:var(--inset)}
.zed-wrap canvas{display:block;width:100%;height:auto;cursor:crosshair}

/* ---- table ---- */
.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl th{text-align:left;font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--dim);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line2)}
.tbl td{padding:9px 10px;border-bottom:1px solid var(--line);color:var(--soft)}
.tbl td.num{font-family:var(--mono);color:var(--ink)}

/* =====================  CÁMARAS (camera wall)  =============================
   The chrome (heads, chips, notices) follows the commercial retail skin; only
   the video STAGE itself is dark (a live camera frame reads on ink, never on
   paper). Boxes/labels are painted by <nexus-overlay> from REAL WS frames — the
   CSS never fabricates a feed. */
.cam-notice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;
  background:var(--ac-soft);border:1px solid var(--ac-line);margin-bottom:18px}
.cam-notice .mk{width:9px;height:9px;border-radius:50%;margin-top:5px;flex:none;background:var(--ac)}
.cam-notice .t{font-size:13px;font-weight:600;color:var(--ac-strong)}
.cam-notice .s{font-size:12.5px;color:var(--muted);line-height:1.5;margin-top:3px}

.cam-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:18px}
.cam-tile{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--card-sh);display:flex;flex-direction:column}
.cam-tile-head{display:flex;align-items:center;gap:9px;padding:11px 14px;border-bottom:1px solid var(--line)}
.cam-tile-head .cam-name{font-family:var(--head);font-size:13.5px;font-weight:600;letter-spacing:-.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cam-tile-head .cam-mode{font-family:var(--mono);font-size:9px;letter-spacing:.10em;text-transform:uppercase;
  color:var(--dim);padding:2px 7px;border-radius:999px;background:var(--inset);border:1px solid var(--line2)}
.cam-tile-head .sp{flex:1}

/* dark video stage — a live camera frame reads on ink. 16:9 box. */
.cam-stage{position:relative;width:100%;aspect-ratio:16/9;background:#05080c;overflow:hidden}
.cam-stage nexus-overlay{position:absolute;inset:0;width:100%;height:100%;display:block}
.cam-stage canvas.cam-demo{position:absolute;inset:0;width:100%;height:100%;display:block}

/* honest placeholder overlay — shown while there is no REAL frame yet, or when
   the node sends metrics only (no JPEG). Never a fabricated image. */
.cam-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;text-align:center;padding:20px;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 30%,rgba(91,134,201,.10),transparent 62%),#070b10}
.cam-ph.hide{display:none}
.cam-ph .ph-spark{width:26px;height:26px;border-radius:7px;border:1px dashed rgba(126,162,214,.5);
  display:flex;align-items:center;justify-content:center}
.cam-ph .ph-spark svg{width:16px;height:16px;stroke:#7ea2d6}
.cam-ph .ph-title{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#8fb0e0}
.cam-ph .ph-sub{font-size:12px;color:#7c8a9a;line-height:1.5;max-width:280px}
.cam-ph.is-metrics .ph-spark{border-color:rgba(242,179,60,.55)}
.cam-ph.is-metrics .ph-spark svg{stroke:#f2b33c}
.cam-ph.is-metrics .ph-title{color:#f2c46b}
.cam-ph.is-offline .ph-spark{border-color:rgba(242,105,94,.55)}
.cam-ph.is-offline .ph-spark svg{stroke:#f2695e}
.cam-ph.is-offline .ph-title{color:#f2695e}
/* protocol mismatch: the node IS answering, the client is on the wrong wire.
   Amber = action required from the operator, not a node failure. Wider sub than
   the other states: it carries the actual cause + the fix. */
.cam-ph.is-mismatch .ph-spark{border-color:rgba(242,179,60,.55)}
.cam-ph.is-mismatch .ph-spark svg{stroke:#f2b33c}
.cam-ph.is-mismatch .ph-title{color:#f2c46b}
.cam-ph.is-mismatch .ph-sub{max-width:360px;color:#a9b6c6}

/* live/status chip pinned to the stage corner */
.cam-status{position:absolute;top:10px;left:10px;z-index:2;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  padding:4px 9px;border-radius:999px;background:rgba(6,12,20,.72);color:#cfe;border:1px solid rgba(255,255,255,.12)}
.cam-status .dot{width:6px;height:6px}
.cam-status.live{color:#8ff0c8}
.cam-status.live .dot{background:var(--ok);box-shadow:0 0 6px var(--ok);animation:livepulse 2.4s ease-in-out infinite}
.cam-status.waiting{color:#8fb0e0}
.cam-status.waiting .dot{background:#7ea2d6}
.cam-status.metrics{color:#f2c46b}
.cam-status.metrics .dot{background:var(--amber)}
.cam-status.mismatch{color:#f2c46b}
.cam-status.mismatch .dot{background:var(--amber)}
.cam-status.offline{color:#f2a79f}
.cam-status.offline .dot{background:var(--alarm)}

/* demo seal banner across the schematic stage — unmistakable */
.cam-demo-seal{position:absolute;top:0;left:0;right:0;z-index:2;display:flex;align-items:center;gap:8px;
  padding:7px 12px;font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.08em;
  color:#1a1204;background:repeating-linear-gradient(135deg,var(--amber) 0 12px,var(--amber2) 12px 24px)}
.cam-demo-seal .tag{padding:2px 7px;border-radius:999px;background:rgba(0,0,0,.22);color:#fff;letter-spacing:.1em}

/* tile footer: legend + inactive-camera action */
.cam-foot{padding:11px 14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.cam-legend{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--muted);flex:1;min-width:0}
.cam-legend .lg{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.cam-legend .sw{width:11px;height:11px;border-radius:3px;flex:none}
.cam-legend .sw.cust{background:#22c98a}
.cam-legend .sw.staff{background:#d946ef}
.cam-legend .sw.anon{background:transparent;border:1.5px solid var(--dim)}
.cam-foot .cam-act{padding:8px 13px;border-radius:10px;border:1px solid var(--line2);background:var(--panel);
  color:var(--ink);font-size:12px;font-weight:600;flex:none}
.cam-foot .cam-act:hover{border-color:var(--ac-line);color:var(--ac-strong)}
.cam-foot .cam-note{width:100%;font-size:11px;color:var(--dim);line-height:1.5}

/* video-not-included gate (Viewer / data-only access) — same wording as Atlas */
.cam-gate{display:flex;flex-direction:column;gap:10px;align-items:flex-start;padding:26px;border-radius:16px;
  background:var(--panel-2);border:1px dashed var(--line2)}
.cam-gate .g-title{font-size:15px;font-weight:600;color:var(--soft)}
.cam-gate .g-sub{font-size:12.5px;color:var(--muted);line-height:1.55;max-width:560px}

@media (max-width:560px){
  .cam-wall{grid-template-columns:1fr}
}

/* =====================  LOGIN GATE  ======================================== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(820px 520px at 50% -8%, var(--ac-soft), transparent 60%),var(--bg)}
.login-card{width:392px;max-width:100%;background:var(--panel);border:1px solid var(--line2);border-radius:20px;
  padding:30px 28px;box-shadow:var(--card-sh-hi)}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.login-card h1{font-size:21px;font-weight:700}
.login-card .lede{font-size:13px;color:var(--muted);margin:16px 0 20px;line-height:1.5}
.login-err{color:var(--alarm);font-size:12.5px;margin-top:10px;min-height:16px}
.login-or{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--dim);font-size:11px;font-family:var(--mono)}
.login-or::before,.login-or::after{content:"";flex:1;height:1px;background:var(--line2)}
.login-adv{margin-top:18px;font-size:11.5px;color:var(--dim);line-height:1.55}

/* origin box — tone follows the REAL scheme (ok=https, amber=plain HTTP) */
.login-ctx{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0 0 18px;
  padding:10px 12px;border-radius:12px;background:var(--ac-soft);border:1px solid var(--ac-line)}
.login-ctx.amber{background:var(--amber-soft);border-color:var(--amber-line)}
.login-ctx-head{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:600;color:var(--soft)}
.login-ctx-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none;
  box-shadow:0 0 0 3px var(--ok-soft)}
.login-ctx.amber .login-ctx-dot{background:var(--amber);box-shadow:0 0 0 3px var(--amber-soft)}
.login-ctx.dim .login-ctx-dot{background:var(--dim);box-shadow:0 0 0 3px var(--line2)}
.login-ctx.amber .login-ctx-head{color:var(--amber-ink)}
.login-ctx-host{width:100%;font-family:var(--mono);font-size:12px;color:var(--strong);word-break:break-all}
.login-ctx-sub{font-size:11px;color:var(--dim)}
.login-ctx-link{margin-left:auto;font-size:11px;color:var(--ac-strong);text-decoration:none;border-bottom:1px solid var(--ac-line)}
.login-ctx-link:hover{color:var(--ac)}
/* field help — node creds vs Console account, activation-code note */
.field-help{display:block;margin-top:6px;font-size:11px;color:var(--dim);line-height:1.5}
/* register line — copy follows the real setup state */
.login-reg{margin-top:12px}
.login-reg-line{font-size:12.5px;color:var(--soft)}
.login-reg-line.unknown{color:var(--amber-ink)}
.login-reg-link{color:var(--ac-strong);font-weight:600;cursor:pointer;text-decoration:none;border-bottom:1px solid var(--ac-line)}
.login-reg-link:hover{color:var(--ac)}
.login-reg-hint{margin-top:5px;font-size:11px;color:var(--dim);line-height:1.5}
.login-roadmap{margin-top:12px;padding:8px 10px;border-radius:10px;font-size:11px;line-height:1.5;
  color:var(--amber-ink);background:var(--amber-soft);border:1px solid var(--amber-line)}
/* "Conectar otro nodo" — states the same-origin limitation, does not fake a switch */
.login-adv-box{margin-top:14px;border-top:1px solid var(--line2);padding-top:12px}
.login-adv-box summary{cursor:pointer;font-size:12px;color:var(--soft);list-style:none}
.login-adv-box summary::-webkit-details-marker{display:none}
.login-adv-box summary::before{content:"▸ ";color:var(--dim)}
.login-adv-box[open] summary::before{content:"▾ "}
.login-connect-body{margin-top:9px;font-size:11.5px;color:var(--dim);line-height:1.55}
.login-connect-body p{margin:0 0 8px}
.login-connect-body b{color:var(--soft)}
.login-connect-link{display:inline-block;font-size:11px;color:var(--ac-strong);text-decoration:none;
  border:1px solid var(--ac-line);border-radius:8px;padding:5px 10px}
.login-connect-link:hover{background:var(--ac-soft)}

/* =====================  RESPONSIVE  ======================================== */
@media (max-width:920px){
  #app{grid-template-columns:1fr}
  .rail{position:fixed;bottom:0;top:auto;left:0;right:0;height:auto;flex-direction:row;z-index:40;
    border-right:none;border-top:1px solid var(--line);padding:8px;justify-content:space-around;
    background:color-mix(in srgb,var(--panel) 94%,transparent);backdrop-filter:blur(10px)}
  .brand,.rail-foot{display:none}
  .nav{flex-direction:row;gap:2px;margin-top:0;flex:1;justify-content:space-around}
  .nav-item{flex-direction:column;gap:3px;font-size:9.5px;padding:6px 4px;flex:1}
  .nav-item .ico svg{width:20px;height:20px}
  .content{padding:18px 16px 96px}
  .topbar{padding:12px 16px;flex-wrap:wrap}
  .demo-banner,#conn-banner{padding:9px 16px}
  .form-grid{grid-template-columns:1fr}
  .fstep .flabel{width:104px}
  .fdrop{padding-left:118px}
}
@media (max-width:560px){
  .kpi .kpi-val{font-size:27px}
  .tb-title h1{font-size:17px}
  .fstep .flabel{width:88px}
  .fdrop{padding-left:102px}
}
.scroll-x{overflow-x:auto}
