/* Portal Volpy: diseño. Paleta institucional: negro del membrete, rojo #B40101, azul de acciones #0056B3. */
:root {
  --negro:#101113; --rojo:#B40101; --rojo2:#E5283E; --azul:#0056B3; --azul2:#0A6FD6;
  --fondo:#F3F4F6; --tarjeta:#fff; --borde:#DDE1E6; --texto:#1E2328; --suave:#5B6673;
  --ok:#1B7F3B; --ok-bg:#E4F4EA; --warn:#7A5200; --warn-bg:#FFF2D2; --info:#0B5CAD; --info-bg:#E3EFFB;
  --err:#B40101; --err-bg:#FDECEC; --radio:12px; --sombra:0 1px 2px rgba(16,17,19,.06), 0 2px 8px rgba(16,17,19,.05);
}
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body { margin:0; font-family:"Segoe UI", Arial, Helvetica, sans-serif; background:var(--fondo); color:var(--texto); font-size:15px; line-height:1.45; }
a { color:var(--azul); }
h1 { font-size:26px; margin:6px 0 8px; letter-spacing:-.01em; }
h2 { font-size:18px; margin:24px 0 10px; }
h3 { font-size:15px; margin:14px 0 4px; }

/* Encabezado */
header.top { background:var(--negro); color:#fff; display:flex; align-items:center; gap:22px; padding:8px 20px; flex-wrap:wrap; border-bottom:3px solid var(--rojo); }
header.top .marca { display:flex; align-items:center; text-decoration:none; }
header.top .marca img { height:40px; width:auto; display:block; }
header.top nav.principal { display:flex; gap:4px; flex-wrap:wrap; }
header.top nav.principal a { color:#D5D9DF; text-decoration:none; padding:9px 14px; border-radius:8px; font-weight:600; font-size:14.5px; }
header.top nav.principal a:hover { background:#24272C; color:#fff; }
header.top nav.principal a.on { background:var(--rojo); color:#fff; }
header.top .who { margin-left:auto; display:flex; gap:10px; align-items:center; font-size:13px; color:#C3C8CF; }
header.top .who button { background:transparent; color:#fff; border:1px solid #4A4F57; padding:6px 12px; font-size:13px; }
header.top .who button:hover { background:#24272C; }
main { padding:22px 20px 40px; max-width:1240px; margin:0 auto; }

/* Encabezado de página */
.page-head { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; flex-wrap:wrap; margin-bottom:14px; }
.head-actions { display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.lead { font-size:15.5px; color:#3A434E; margin:0 0 16px; }
.back { display:inline-block; margin:0 0 6px; color:var(--azul); text-decoration:none; font-size:14px; font-weight:600; }
.back:hover { text-decoration:underline; }
.muted { color:var(--suave); font-size:13px; }
.hint { font-size:13px; color:var(--suave); margin:4px 0 0; }

/* Tarjetas */
.card { background:var(--tarjeta); border:1px solid var(--borde); border-radius:var(--radio); padding:18px; margin-bottom:16px; box-shadow:var(--sombra); }
.card-title { margin:0 0 12px; font-size:17px; }
.step h2 { margin:0 0 12px; font-size:17px; display:flex; align-items:center; gap:8px; }
.step .n { display:inline-flex; align-items:center; justify-content:center; background:var(--rojo); color:#fff; border-radius:50%; width:26px; height:26px; font-size:14px; flex:0 0 auto; }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:12px; }
.stat { background:#fff; border:1px solid var(--borde); border-radius:var(--radio); padding:14px; }
.stat b { display:block; font-size:24px; color:var(--rojo); }

/* Formularios */
label { display:block; font-size:13px; font-weight:600; color:#3A434E; margin:12px 0 4px; }
input[type=text], input[type=password], input[type=number], input[type=email], input[type=search], select, textarea {
  width:100%; padding:10px 11px; border:1px solid #C3C9D1; border-radius:8px; font-size:15px; font-family:inherit; background:#fff; color:var(--texto); }
textarea { resize:vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline:3px solid rgba(10,111,214,.35); outline-offset:1px; border-color:var(--azul2); }
input[type=checkbox], input[type=radio] { width:auto; accent-color:var(--azul); transform:scale(1.15); }
.row { display:flex; gap:14px; flex-wrap:wrap; align-items:flex-end; }
.row > div { flex:1 1 190px; }
.row.top { align-items:flex-start; }
.check { display:flex; gap:10px; align-items:center; margin:6px 0; font-size:14px; font-weight:400; color:var(--texto); }
.check input[type=text] { flex:1; }
.toolbar { display:flex; gap:14px; flex-wrap:wrap; align-items:flex-end; padding:12px 16px; }
.toolbar > div { flex:1 1 130px; }
.toolbar .tb-search { flex:2 1 300px; }
.toolbar label { margin-top:0; }

/* Botones */
button, .btn { background:var(--azul); color:#fff; border:1px solid var(--azul); border-radius:8px; padding:10px 18px; font-size:14.5px; font-weight:600; cursor:pointer; text-decoration:none; display:inline-block; font-family:inherit; line-height:1.2; }
button:hover, .btn:hover { background:var(--azul2); border-color:var(--azul2); }
button.sec, .btn.ghost, button.ghost { background:#fff; color:#2A323B; border:1px solid #B5BCC6; }
button.sec:hover, .btn.ghost:hover, button.ghost:hover { background:#EEF0F3; border-color:#9AA3AF; }
button.danger { background:var(--err); border-color:var(--err); }
button.danger-text { color:var(--err); }
.btn.small { padding:6px 12px; font-size:13px; }
button:disabled { opacity:.55; cursor:default; }
.actions { display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; align-items:center; }
form.inline { display:inline; }

/* Avisos y etiquetas */
.flash { padding:11px 14px; border-radius:10px; margin-bottom:14px; }
.flash.ok { background:var(--ok-bg); color:var(--ok); border:1px solid #B5DCC0; }
.flash.err { background:var(--err-bg); color:var(--err); border:1px solid #F0B8B8; }
.warn { background:var(--warn-bg); border:1px solid #EBD08A; color:var(--warn); padding:10px 14px; border-radius:10px; margin:10px 0; }
.badge { display:inline-block; padding:3px 11px; border-radius:999px; font-size:12px; font-weight:700; white-space:nowrap; }
.badge.ok { background:var(--ok-bg); color:var(--ok); } .badge.info { background:var(--info-bg); color:var(--info); }
.badge.warn { background:var(--warn-bg); color:var(--warn); border:0; margin:0; padding:3px 11px; } .badge.mute { background:#E8EAED; color:#4A525C; }
.badge.danger { background:var(--err-bg); color:var(--err); }
.chips { display:flex; gap:8px; flex-wrap:wrap; margin:0 0 12px; }
.chip { border:1px solid var(--borde); background:#fff; color:#2A323B; padding:7px 15px; border-radius:999px; font-size:13.5px; font-weight:600; cursor:pointer; text-decoration:none; }
.chip:hover { border-color:#9AA3AF; background:#fff; }
.chip.on { background:var(--negro); color:#fff; border-color:var(--negro); }
.chip b { margin-left:4px; opacity:.85; }

/* Tablas */
table { border-collapse:collapse; width:100%; background:#fff; }
th, td { border-bottom:1px solid var(--borde); padding:10px 12px; text-align:left; font-size:14px; vertical-align:middle; }
th { background:#F0F2F5; font-size:12px; text-transform:uppercase; letter-spacing:.04em; color:var(--suave); position:sticky; top:0; z-index:1; }
tbody tr:hover td { background:#FAFBFC; }
td.num, th.num { text-align:right; }
.scroll { overflow:auto; max-height:70vh; border:1px solid var(--borde); border-radius:var(--radio); background:#fff; box-shadow:var(--sombra); }
.off { opacity:.55; }
.tasas input { width:64px; padding:4px 5px; text-align:right; font-size:13px; }
.tasas th:first-child, .tasas td:first-child { position:sticky; left:0; background:#F0F2F5; z-index:2; }
.bar { position:sticky; bottom:0; z-index:5; background:#fff; border-top:1px solid var(--borde); padding:12px 20px; margin:16px -20px -22px; display:flex; gap:14px; align-items:center; flex-wrap:wrap; box-shadow:0 -2px 8px rgba(16,17,19,.06); }

/* Menú de configuración */
.menu { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:14px; margin-bottom:8px; }
.tile { background:#fff; border:1px solid var(--borde); border-radius:var(--radio); padding:16px 18px; text-decoration:none; color:var(--texto); display:block; box-shadow:var(--sombra); transition:transform .08s, border-color .08s; }
.tile:hover { border-color:var(--azul2); transform:translateY(-1px); }
.tile b { display:block; font-size:16px; color:var(--azul); margin-bottom:4px; }
.tile span { font-size:14px; color:var(--suave); line-height:1.4; }

/* Detalles plegables */
details.more { margin-top:12px; border-top:1px dashed var(--borde); padding-top:10px; }
details.more > summary { cursor:pointer; color:var(--azul); font-size:14px; font-weight:600; }
details.sec { border:1px solid var(--borde); border-radius:10px; margin:8px 0; background:#FAFBFC; }
details.sec > summary { cursor:pointer; padding:11px 14px; font-weight:700; list-style-position:inside; }
details.sec[open] > summary { border-bottom:1px solid var(--borde); background:#F3F5F8; border-radius:10px 10px 0 0; }
details.sec .campos { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:0 16px; padding:2px 14px 14px; }

/* Layout de dos columnas */
.layout { display:block; }
.layout.con-lateral { display:grid; grid-template-columns:minmax(0,1fr) 380px; gap:20px; align-items:start; }
.layout.con-lateral > aside { position:sticky; top:14px; }
.sim-placeholder { display:none; text-align:center; color:var(--suave); padding:34px 18px; }

/* Resultado del simulador */
.result-card { border:2px solid var(--rojo); }
.result-card .big { font-size:38px; font-weight:800; color:var(--rojo); line-height:1.05; letter-spacing:-.02em; }
.result-card .sub { font-size:15px; color:#3A434E; margin:6px 0 12px; }
table.resumen { box-shadow:none; }
table.resumen td { border-bottom:1px solid #EEF0F3; padding:8px 4px; }
table.resumen td:first-child { color:var(--suave); }
table.resumen td:last-child { text-align:right; font-weight:700; white-space:nowrap; }
.unidad-banner { display:flex; gap:12px; align-items:center; flex-wrap:wrap; background:var(--info-bg); border:1px solid #B9D6F3; border-radius:var(--radio); padding:12px 16px; margin-bottom:16px; }
.unidad-banner b { color:var(--info); }
.result { font-size:26px; font-weight:bold; color:var(--rojo); }

/* Datos en pares y bloques */
dl.kv { display:grid; grid-template-columns:minmax(130px,230px) 1fr; gap:6px 18px; margin:0; }
dl.kv dt { color:var(--suave); font-size:13.5px; } dl.kv dd { margin:0; font-weight:600; }
.bloques { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px 24px; }
.bloque h3 { margin:0 0 6px; text-transform:uppercase; font-size:12.5px; letter-spacing:.05em; color:var(--rojo); }
ul.lista { margin:4px 0 8px 18px; padding:0; }

@media (max-width:980px) {
  .layout.con-lateral { grid-template-columns:1fr; }
  .layout.con-lateral > aside { position:static; }
  .layout.hay-res > aside { order:-1; }
}
@media (max-width:760px) {
  main { padding:16px 12px 32px; } .bar { margin:16px -12px -32px; padding:10px 12px; }
  header.top { gap:8px; padding:8px 12px; } header.top nav.principal { order:3; width:100%; overflow-x:auto; flex-wrap:nowrap; }
  header.top nav.principal a { white-space:nowrap; }
  h1 { font-size:22px; }
  /* tablas de listas: cada fila pasa a ser una tarjeta */
  .tabla-stock { border:0; box-shadow:none; background:transparent; overflow:visible; }
  .tabla-stock table, .tabla-stock tbody, .tabla-stock tr, .tabla-stock td { display:block; width:100%; }
  .tabla-stock thead { display:none; }
  .tabla-stock tr { background:#fff; border:1px solid var(--borde); border-radius:var(--radio); padding:10px 14px; margin-bottom:12px; box-shadow:var(--sombra); }
  .tabla-stock td { border:0; padding:4px 0; display:flex; justify-content:space-between; gap:12px; text-align:right; }
  .tabla-stock td::before { content:attr(data-l); color:var(--suave); font-size:12px; text-transform:uppercase; letter-spacing:.04em; text-align:left; flex:0 0 38%; padding-top:2px; }
  .tabla-stock td[data-l=""]::before { content:none; } .tabla-stock td[data-l=""] { justify-content:flex-end; padding-top:8px; }
  .tabla-stock tbody tr:hover td { background:transparent; }
  dl.kv { grid-template-columns:1fr; gap:0; } dl.kv dt { margin-top:8px; }
}
@media (min-width:981px) { .sim-placeholder { display:block; } }
@media print {
  header.top, .back, .actions, form.steps, .head-actions, .chips { display:none !important; }
  body { background:#fff; } .card { box-shadow:none; } .layout.con-lateral { display:block; }
}