:root{
  --ink:#1D3B3A;       /* verde pizarra: estructura */
  --ink-2:#28504E;
  --brass:#A9803F;     /* latón de la aldaba: acción y selección */
  --brass-d:#8C6A33;
  --paper:#F3F5F4;
  --line:#D9DEDC;
  --text:#1A2322;
  --muted:#5F6B69;
  --debe:#1D3B3A;
  --haber:#7A4E1F;
  --bs-body-font-family:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --bs-body-color:var(--text);
  --bs-body-bg:var(--paper);
  --bs-border-color:var(--line);
  --bs-link-color:var(--ink-2);
  --bs-link-hover-color:var(--brass-d);
  --bs-link-color-rgb:40,80,78;
  --bs-link-hover-color-rgb:140,106,51;
}
body{font-size:.9375rem;line-height:1.5}
.num,td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}

/* Estructura */
.app{display:flex;min-height:100vh}
.side{width:236px;flex:0 0 236px;background:var(--ink);color:#E4EAE8;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;align-items:center;gap:.6rem;padding:1.25rem 1.25rem 1rem;color:var(--brass);text-decoration:none}
.brand span{color:#fff;font-weight:700;font-size:1.15rem;line-height:1.1;letter-spacing:-.01em}
.brand small{display:block;font-weight:400;font-size:.78rem;color:#A9BAB6}
.side nav{padding:.25rem 0 1rem;flex:1}
.nav-group{font-size:.75rem;color:#8FA5A0;padding:1rem 1.25rem .35rem}
.nav-item{display:block;padding:.42rem 1.25rem .42rem 1.1rem;color:#DCE4E2;text-decoration:none;border-left:3px solid transparent}
.nav-item:hover{background:var(--ink-2);color:#fff}
.nav-item.on{border-left-color:var(--brass);background:var(--ink-2);color:#fff;font-weight:600}
.side-foot{padding:1rem 1.25rem;border-top:1px solid var(--ink-2);display:flex;flex-direction:column;gap:.35rem;font-size:.85rem}
.side-foot a{color:#A9BAB6;text-decoration:none}
.side-foot a:hover{color:#fff}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:1rem;padding:.7rem 1.75rem;background:#fff;border-bottom:1px solid var(--line)}
.suc-switch select{min-width:220px;border-color:var(--line)}
.suc-fija{font-weight:600}
.who{margin-left:auto;text-align:right;font-weight:600;font-size:.9rem;line-height:1.2}
.who span{display:block;font-weight:400;color:var(--muted);font-size:.78rem}
.content{padding:1.75rem;max-width:1280px;width:100%}

@media (max-width:991.98px){
  .side{position:fixed;left:-250px;z-index:1040;transition:left .2s}
  .side.open{left:0;box-shadow:0 0 0 100vmax rgba(0,0,0,.35)}
  .content{padding:1.1rem}
  .top{padding:.6rem 1rem}
  .suc-switch select{min-width:0}
}
@media (prefers-reduced-motion:reduce){.side{transition:none}}

/* Encabezado de página */
.page-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:.75rem 1rem;margin-bottom:1.25rem}
.page-head h1{font-size:1.5rem;font-weight:700;margin:0;letter-spacing:-.015em}
.page-head .sub{color:var(--muted);font-size:.875rem;margin-top:.15rem}
.page-head .acts{margin-left:auto;display:flex;gap:.5rem;flex-wrap:wrap}

/* Paneles: una sola superficie, sin sombras */
.panel{background:#fff;border:1px solid var(--line);border-radius:6px;margin-bottom:1.25rem}
.panel-h{padding:.8rem 1rem;border-bottom:1px solid var(--line);font-weight:600;display:flex;align-items:center;gap:.5rem}
.panel-b{padding:1rem}
.panel .table{margin:0}

/* Cifras del resumen: ancla en el total, no tarjetas iguales */
.ledger-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));border:1px solid var(--line);border-radius:6px;background:#fff;margin-bottom:1.25rem}
.ledger-strip div{padding:.9rem 1rem;border-right:1px solid var(--line)}
.ledger-strip div:last-child{border-right:0}
.ledger-strip dt{font-weight:400;color:var(--muted);font-size:.82rem}
.ledger-strip dd{margin:0;font-size:1.3rem;font-weight:700;font-variant-numeric:tabular-nums}

/* Tablas */
.table{--bs-table-bg:transparent;font-size:.9rem}
.table thead th{font-weight:600;color:var(--muted);font-size:.8rem;border-bottom-width:1px;background:#FAFBFA;white-space:nowrap}
.table td,.table th{padding:.5rem .75rem;vertical-align:middle}
.table tfoot td,.table tfoot th{font-weight:700;border-top:2px solid var(--ink)}
tr.nivel-0 td{font-weight:700}
tr.nivel-1 td{font-weight:600}
tr.anulado td{color:#9AA3A1;text-decoration:line-through}
.col-debe{color:var(--debe)}
.col-haber{color:var(--haber)}

/* Botones */
.btn-primary{--bs-btn-bg:var(--brass);--bs-btn-border-color:var(--brass);--bs-btn-hover-bg:var(--brass-d);--bs-btn-hover-border-color:var(--brass-d);--bs-btn-active-bg:var(--brass-d);--bs-btn-active-border-color:var(--brass-d);--bs-btn-disabled-bg:var(--brass);--bs-btn-disabled-border-color:var(--brass);font-weight:600}
.btn-dark{--bs-btn-bg:var(--ink);--bs-btn-border-color:var(--ink);--bs-btn-hover-bg:var(--ink-2);--bs-btn-hover-border-color:var(--ink-2)}
.form-control:focus,.form-select:focus{border-color:var(--brass);box-shadow:0 0 0 .2rem rgba(169,128,63,.22)}
a:focus-visible,.btn:focus-visible,.nav-item:focus-visible{outline:2px solid var(--brass);outline-offset:2px}
.form-label{font-weight:500;font-size:.85rem;margin-bottom:.25rem}

.badge-est{font-weight:600;font-size:.75rem;padding:.25em .55em;border-radius:3px}
.est-vigente{background:#E3EFE9;color:#1F5B43}
.est-terminado{background:#ECEEED;color:#4F5857}
.est-anulado{background:#F6E3E1;color:#8A2E24}
.est-vence{background:#F8EEDC;color:#7A4E1F}

/* Cuadre de asiento */
.cuadre{display:flex;gap:1.5rem;align-items:center;padding:.75rem 1rem;border-top:1px solid var(--line);background:#FAFBFA;font-variant-numeric:tabular-nums}
.cuadre .ok{color:#1F5B43;font-weight:600}
.cuadre .mal{color:#8A2E24;font-weight:600}
.lineas select{min-width:230px}
.lineas input.num{max-width:150px}

/* Login */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}
.login-art{background:var(--ink);color:#fff;display:flex;flex-direction:column;justify-content:space-between;padding:3rem}
.login-art h2{font-size:2.4rem;font-weight:700;letter-spacing:-.02em;line-height:1.1;max-width:13ch}
.login-art p{color:#B8C8C4;max-width:40ch}
.login-form{display:flex;align-items:center;justify-content:center;padding:2rem}
.login-form form{width:100%;max-width:340px}
@media (max-width:767.98px){.login-wrap{grid-template-columns:1fr}.login-art{padding:2rem}.login-art h2{font-size:1.8rem}}

/* Impresión */
@media print{
  .side,.top,.no-print,.btn,.alert{display:none!important}
  body{background:#fff}
  .content{padding:0;max-width:none}
  .panel{border:0}
  .table thead th{background:#fff}
}