/* ERP de demostración · estilo copiado de Segno (app/nucleo/estilos.css): mismas variables, misma
   barra lateral oscura, mismas tarjetas, chips, tablas y formularios. Cambia el acento de la franja
   de ficticio, que aquí es permanente. */
:root{
  --bg:#F6F3EE; --panel:#FFFFFF; --soft:#EFEAE2; --line:#E0D8CC; --ink:#161311; --muted:#6E665C; --faint:#9A9186;
  --accent:#D9481A; --accent-soft:#FBE6DC; --on-accent:#fff;
  --side:#161311; --side-ink:#EDE6DB; --side-muted:#9C9388; --side-hi:#2A2521;
  --ok:#2E7D4A; --ok-soft:#E1F0E5; --warn:#A66A00; --warn-soft:#FBEFD6; --bad:#B3261E; --bad-soft:#F8E0DE; --info:#2F5E8A; --info-soft:#E1EAF3;
  --shadow:0 1px 2px rgba(22,19,17,.06),0 6px 24px rgba(22,19,17,.06);
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#121010; --panel:#1B1917; --soft:#24211E; --line:#34302B; --ink:#EFE9E0; --muted:#A79E92; --faint:#7B7369;
  --accent:#F0643A; --accent-soft:#3A2119; --on-accent:#fff;
  --side:#0B0A09; --side-ink:#EDE6DB; --side-muted:#8E857A; --side-hi:#221E1B;
  --ok:#6CC08A; --ok-soft:#18301F; --warn:#E3AE4E; --warn-soft:#352A12; --bad:#F08A80; --bad-soft:#3A1C19; --info:#8DB5DE; --info-soft:#18283A; --shadow:none;
}}
:root[data-theme="dark"]{
  --bg:#121010; --panel:#1B1917; --soft:#24211E; --line:#34302B; --ink:#EFE9E0; --muted:#A79E92; --faint:#7B7369;
  --accent:#F0643A; --accent-soft:#3A2119; --on-accent:#fff;
  --side:#0B0A09; --side-ink:#EDE6DB; --side-muted:#8E857A; --side-hi:#221E1B;
  --ok:#6CC08A; --ok-soft:#18301F; --warn:#E3AE4E; --warn-soft:#352A12; --bad:#F08A80; --bad-soft:#3A1C19; --info:#8DB5DE; --info-soft:#18283A; --shadow:none;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 "Helvetica Neue",Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3,.disp{font-family:Archivo,"Helvetica Neue",sans-serif;text-wrap:balance;margin:0}
h1{font-size:20px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
h2{font-size:17px;font-weight:700}
h3{font-size:14px;font-weight:700}
.mono{font-family:"IBM Plex Mono",Menlo,monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}
.r{text-align:right}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
a{color:inherit}
a.lnk,button.lnk{background:none;border:0;padding:0;font:inherit;color:var(--accent);cursor:pointer;text-decoration:underline;text-underline-offset:2px}
a.lnk:hover,button.lnk:hover{filter:brightness(1.2)}
.neg{color:var(--bad)}

/* ---------- la franja de ficticio: fija, en todas las páginas, imposible de confundir */
.ficticio{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
 padding:6px 16px;font:700 12px/1.3 "Helvetica Neue",sans-serif;letter-spacing:.08em;text-transform:uppercase;color:#fff;
 background:repeating-linear-gradient(135deg,#B3261E 0 14px,#8E1C16 14px 28px);border-bottom:2px solid #5a0f0b}
.ficticio span{font-weight:500;letter-spacing:0;text-transform:none;opacity:.92}

/* ---------- la aplicación */
.app{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:calc(100vh - 34px)}
.side{background:var(--side);color:var(--side-ink);padding:18px 12px;display:flex;flex-direction:column;gap:14px;position:sticky;top:34px;height:calc(100vh - 34px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--side-hi) transparent}
.brand{display:flex;align-items:center;gap:10px;padding:2px 8px;color:inherit;text-decoration:none;border-radius:8px}
.brand svg{width:26px;height:28px;color:var(--accent);flex:none}
.brand b{font:800 19px Archivo,sans-serif;letter-spacing:-.01em;display:block;line-height:1.1}
.brand small{display:block;font-size:10.5px;color:var(--side-muted);line-height:1.2;margin-top:2px}
.nav{display:flex;flex-direction:column;gap:2px;flex:1 1 auto}
.nav .grp{font:700 10.5px/1.2 "Helvetica Neue",sans-serif;text-transform:uppercase;letter-spacing:.09em;color:var(--side-muted);padding:14px 10px 5px}
.nav a{display:flex;align-items:center;gap:10px;width:100%;background:none;border:0;text-align:left;padding:7px 10px;border-radius:7px;color:var(--side-ink);font-size:13.5px;text-decoration:none}
.nav a svg{width:17px;height:17px;flex:none;opacity:.8}
.nav a:hover{background:var(--side-hi)}
.nav a[aria-current="page"]{background:var(--side-hi);box-shadow:inset 3px 0 0 var(--accent)}
.nav .count{margin-left:auto;font:600 11px "Helvetica Neue";background:var(--accent);color:var(--on-accent);border-radius:9px;padding:1px 7px}
.side .who{margin-top:auto;border-top:1px solid var(--side-hi);padding:12px 8px 0;font-size:12px;color:var(--side-muted)}
.side .who b{display:block;color:var(--side-ink);font-size:13px}
.side .who a{color:var(--side-muted)}
.main{min-width:0;display:flex;flex-direction:column;min-height:0}
.top{position:sticky;top:34px;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:8px 24px}
.top .t{flex:1;min-width:200px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.top .t .mono{color:var(--accent);font-size:10px;letter-spacing:.09em}
.view{padding:14px 24px 60px;max-width:1280px;width:100%;flex:1;min-height:0}
.main>*,.view>*,.card,.grid>*{min-width:0}

/* ---------- primitivas */
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;box-shadow:var(--shadow)}
.card h2{margin-bottom:10px}
.card+.card{margin-top:14px}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g21{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.card.kpi{padding:9px 12px}
.kpi .v{font:800 20px/1 Archivo,sans-serif;font-variant-numeric:tabular-nums}
.kpi .l{color:var(--muted);font-size:11.5px;margin-top:3px;line-height:1.25}
.kpi .l b{color:var(--ink);font-weight:600}
.kpi.hot .v{color:var(--accent)}
.kpi.bad .v{color:var(--bad)}
.chip{display:inline-flex;align-items:center;gap:5px;font:600 11px/1 "Helvetica Neue";padding:4px 8px;border-radius:20px;background:var(--soft);color:var(--muted);white-space:nowrap}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.info{background:var(--info-soft);color:var(--info)}
.chip.acc{background:var(--accent-soft);color:var(--accent)}
.chip.dark{background:var(--ink);color:var(--bg)}
.btn{display:inline-flex;align-items:center;gap:7px;border-radius:8px;padding:8px 13px;border:1px solid var(--line);background:var(--panel);font-weight:600;font-size:13px;white-space:nowrap;max-width:100%;text-decoration:none;color:var(--ink)}
.btn svg{width:16px;height:16px}
.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn.ghost{background:none}
.btn.peq{padding:5px 9px;font-size:12px}
.btn.bad{border-color:var(--bad);color:var(--bad)}
.btn:disabled{opacity:.45;cursor:default}
.acciones{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.alert{display:flex;gap:10px;padding:10px 12px;border-radius:8px;background:var(--soft);align-items:flex-start;border-left:3px solid var(--c,var(--muted));margin-bottom:10px}
.alert>div:first-child{flex:1;min-width:0}
.alert.bad{--c:var(--bad)} .alert.warn{--c:var(--warn)} .alert.info{--c:var(--info)} .alert.ok{--c:var(--ok)} .alert.acc{--c:var(--accent)}
.alert b{display:block;font-size:13px}
.alert span{font-size:12.5px;color:var(--muted)}
.ref{display:inline-block;font:600 9.5px/1 "IBM Plex Mono",Menlo,monospace;letter-spacing:.04em;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 4px;margin-left:5px;vertical-align:middle;cursor:help;text-transform:none}
th .ref{margin-left:4px}

/* ---------- tablas */
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;font:600 11px "Helvetica Neue";text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:8px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:8px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right}
tbody tr:hover td{background:color-mix(in srgb,var(--soft) 60%,transparent)}
tr.total td{font-weight:700;border-top:2px solid var(--line);background:var(--soft)}
tr.anulada td{text-decoration:line-through;opacity:.55}
tr.grupo td{background:var(--soft);font-weight:700}
.tw{overflow-x:auto;min-width:0}
td a{color:var(--accent);text-decoration:none;font-weight:600}
td a:hover{text-decoration:underline}
.bar{display:grid;grid-template-columns:minmax(0,1fr) 46px;gap:8px;align-items:center;min-width:120px}
.bar .tr{height:10px;border-radius:3px;background:var(--soft);overflow:hidden}
.bar .tr i{display:block;height:100%;background:var(--c,var(--ok));border-radius:3px}
.bar .v{text-align:right;font-variant-numeric:tabular-nums;font-weight:700;font-size:12px}
.bar.warn .tr i{background:var(--warn)} .bar.bad .tr i{background:var(--bad)}

/* ---------- filtros y listados */
.filtros{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}
.filtros label{display:block;font-size:11px;color:var(--muted);font-weight:600;margin-bottom:3px}
.filtros .f{width:auto;min-width:120px;padding:7px 9px}
.filtros .btn{align-self:flex-end}
.vacio{color:var(--muted);padding:18px 4px;text-align:center}
.pie-lista{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:10px;font-size:12.5px;color:var(--muted)}
.pag a{padding:4px 8px;border:1px solid var(--line);border-radius:6px;text-decoration:none;margin-left:4px}
.pag a[aria-current]{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* ---------- formularios */
textarea,input.f,select.f{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 10px;font:inherit;background:var(--panel);color:var(--ink)}
textarea{min-height:70px;resize:vertical}
label.l{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px;font-weight:600}
.campos{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 14px}
.campos .ancho{grid-column:1/-1}
input.f.num,td input.num{text-align:right;font-variant-numeric:tabular-nums}
.lineas td{padding:4px 4px;vertical-align:middle}
.lineas input.f,.lineas select.f{padding:6px 7px;font-size:13px}
.lineas th{padding:6px 4px}
.lineas td.r{font-variant-numeric:tabular-nums;white-space:nowrap}
.lineas .quitar{border:0;background:none;color:var(--muted);font-size:16px;padding:4px 6px}
.lineas .quitar:hover{color:var(--bad)}
.totales{display:flex;justify-content:flex-end;gap:22px;margin-top:10px;font-variant-numeric:tabular-nums;flex-wrap:wrap}
.totales div{text-align:right}
.totales span{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.totales b{font-size:16px}
.check{display:flex;align-items:center;gap:8px;font-size:13px;margin:8px 0}
form.enlinea{display:inline}
.ficha{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px 18px}
.ficha dt{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.ficha dd{margin:2px 0 0;font-size:13.5px}
.aviso-partida{background:var(--warn-soft);border-left:3px solid var(--warn);padding:8px 10px;border-radius:6px;font-size:12.5px;margin-top:8px}

/* ---------- modal (sin JS pesado: un <details>) */
details.modal{position:relative}
details.modal>summary{list-style:none;cursor:pointer}
details.modal>summary::-webkit-details-marker{display:none}
details.modal>.caja{position:absolute;right:0;top:calc(100% + 6px);z-index:20;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 20px 60px rgba(0,0,0,.3);width:min(440px,92vw)}
details.modal>.caja h3{margin-bottom:6px}

/* ---------- panel */
.meses{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:4px;align-items:end;height:120px;margin-top:8px}
.meses div{display:flex;flex-direction:column;justify-content:flex-end;gap:2px;height:100%}
.meses i{display:block;border-radius:3px 3px 0 0;min-height:2px}
.meses i.ing{background:var(--ok)} .meses i.gas{background:var(--accent)}
.meses span{font-size:10px;color:var(--muted);text-align:center}
.leyenda{display:flex;gap:14px;font-size:12px;color:var(--muted);margin-top:6px}
.leyenda i{display:inline-block;width:10px;height:10px;border-radius:2px;vertical-align:-1px;margin-right:4px}

/* ---------- entrar */
.entrar{min-height:calc(100vh - 34px);display:grid;place-items:center;padding:16px}
.entrar .card{width:min(420px,100%);padding:26px}
.entrar .eyebrow{font:600 11px "IBM Plex Mono",monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0}
.entrar h1{font-size:28px;margin:4px 0 14px}
.entrar .cuentas{font-size:12.5px;color:var(--muted);margin-top:14px;border-top:1px solid var(--line);padding-top:10px}
.entrar .cuentas code{font-family:"IBM Plex Mono",monospace;font-size:12px;background:var(--soft);padding:1px 5px;border-radius:4px}

/* ---------- registro de intercambios y código */
pre.json{font:12px/1.4 "IBM Plex Mono",Menlo,monospace;background:var(--soft);padding:10px;border-radius:8px;overflow:auto;max-height:260px;margin:6px 0 0;white-space:pre-wrap;word-break:break-all}
code{font-family:"IBM Plex Mono",Menlo,monospace;font-size:12px;background:var(--soft);padding:1px 5px;border-radius:4px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:8px;font-weight:600;z-index:60;font-size:13px;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.toast.bad{background:var(--bad);color:#fff}

@media (max-width:900px){
 .app{grid-template-columns:1fr}
 .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;gap:4px;padding:10px}
 .side .brand{width:100%}
 .nav{flex-direction:row;flex-wrap:wrap}
 .nav .grp{width:100%;padding:8px 10px 2px}
 .side .who{width:100%;margin-top:6px}
 .g4,.g3,.g2,.g21{grid-template-columns:1fr 1fr}
 .view{padding:12px 14px 50px}
 .top{padding:8px 14px}
}
@media (max-width:560px){.g4,.g3,.g2,.g21{grid-template-columns:1fr}}
@media print{.ficticio{position:static}.side,.top .acciones,.filtros,.btn{display:none!important}.app{display:block}.view{max-width:none;padding:0}}