/* Directo B2B — estética marketplace: chrome oscuro, tarjetas claras, acentos vivos */
:root {
  --azul: #2563eb; --azul-osc: #1d4ed8; --carbon: #17181d; --carbon-2: #22242b;
  --fondo: #f2f3f6; --carta: #ffffff; --ambar: #f59e0b;
  --texto: #1a1d26; --gris: #6b7280; --borde: #e5e7eb; --fila: #f8f9fb;
  --verde: #16a34a; --rojo: #dc2626; --naranja: #ea580c; --violeta: #7c3aed;
  --sombra: 0 1px 2px rgba(16,18,25,.06), 0 4px 14px rgba(16,18,25,.06);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fondo); color: var(--texto); font-size: 14.5px; }
a { color: var(--azul); text-decoration: none; }
a.sel { font-weight: 700; text-decoration: underline; }
h1 { font-size: 26px; font-weight: 800; letter-spacing: -0.3px; }
h2 { font-size: 17px; font-weight: 700; }

/* ── chrome oscuro ── */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  background: var(--carbon); color: #fff; padding: 12px 22px; position: sticky; top: 0; z-index: 40;
  box-shadow: 0 1px 0 rgba(255,255,255,.06); }
.topbar .brand { color: #fff; font-weight: 800; font-size: 19px; letter-spacing: .2px; }
.topbar nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.topbar nav a { color: #c9cdd6; font-size: 13.5px; font-weight: 600; padding: 7px 11px; border-radius: 8px; }
.topbar nav a:hover { color: #fff; background: var(--carbon-2); }
.linklike { background: var(--carbon-2); border: 0; color: #c9cdd6; font: inherit; font-size: 13px;
  font-weight: 600; cursor: pointer; padding: 7px 12px; border-radius: 999px; }
.linklike:hover { color: #fff; }

.wrap { max-width: 1160px; margin: 24px auto 60px; padding: 0 18px; }
.pie { text-align: center; color: var(--gris); font-size: 12px; padding: 18px; }

/* ── tarjetas ── */
.card { background: var(--carta); border: 1px solid var(--borde); border-radius: 14px;
  padding: 18px 20px; margin: 14px 0; box-shadow: var(--sombra); }
.login-card { max-width: 380px; margin: 60px auto; }
.login-card label { display: block; margin: 10px 0; font-size: 14px; font-weight: 600; }
.login-card input { width: 100%; }

input, select, textarea { font: inherit; padding: 9px 12px; border: 1.5px solid var(--borde);
  border-radius: 9px; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--azul); outline-offset: -1px; border-color: var(--azul); }
textarea { width: 100%; }
input.cant { width: 70px; }

.btn { display: inline-block; background: var(--azul); color: #fff; border: 0; border-radius: 9px;
  padding: 10px 18px; font: inherit; font-weight: 700; font-size: 14px; cursor: pointer;
  transition: background .12s, transform .06s; }
.btn:hover { background: var(--azul-osc); }
.btn:active { transform: translateY(1px); }
.btn:disabled { background: #a8b0bf; cursor: not-allowed; }
.btn-chico { padding: 6px 12px; font-size: 13px; }
.btn-grande { font-size: 16.5px; padding: 13px 24px; }
.btn-gris { background: #eef0f4; color: var(--texto); }
.btn-gris:hover { background: #e2e5ec; }
.inline { display: inline; }

.registro-links { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 6px; }
.registro-card { max-width: 460px; }
.registro-card label { display: block; margin: 10px 0; font-size: 14px; font-weight: 600; }
.registro-card input, .registro-card select { width: 100%; }
.tabs-registro { display: flex; gap: 6px; margin-bottom: 6px; }
.tabs-registro a { flex: 1; text-align: center; padding: 10px 8px; border: 1.5px solid var(--borde);
  border-radius: 9px; font-weight: 700; font-size: 14px; color: var(--texto); }
.tabs-registro a.sel { background: var(--carbon); border-color: var(--carbon); color: #fff; }

.flash { padding: 11px 15px; border-radius: 10px; margin-bottom: 14px; font-size: 14px; font-weight: 500; }
.flash-ok { background: #e8f8ee; color: #14532d; border: 1px solid #bbe7cb; }
.flash-error { background: #fdeaea; color: #7f1d1d; border: 1px solid #f5c6c6; }

/* ── fichas de fábricas ── */
.grid-fabricas { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; align-items: stretch; }
.ficha { text-align: center; display: flex; flex-direction: column; gap: 8px; }
.ficha .minima { margin: 0; min-height: 40px; }
.ficha details { margin-top: auto; }
.ficha > .btn { margin-top: 4px; }
.logo-box { position: relative; background: var(--fila); border: 1px solid var(--borde); border-radius: 12px;
  height: 92px; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 19px;
  letter-spacing: -0.2px; }
.logo-box .tilde { position: absolute; top: 6px; right: 9px; color: var(--verde); font-size: 16px; }
.minima { font-size: 14px; }
.condiciones { text-align: left; font-size: 13px; color: var(--gris); padding-left: 18px; }
.nota, .mini { color: var(--gris); font-size: 13px; }
summary { cursor: pointer; font-weight: 600; font-size: 13.5px; color: var(--gris); }

/* ── tablas ── */
.tabla { width: 100%; border-collapse: collapse; background: var(--carta); border: 1px solid var(--borde);
  border-radius: 12px; overflow: hidden; font-size: 14px; box-shadow: var(--sombra); }
.tabla th { background: var(--carbon); color: #c9cdd6; text-align: left; padding: 10px 12px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.tabla td { border-top: 1px solid var(--borde); padding: 9px 12px; }
.tabla tr:hover td { background: var(--fila); }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; font-weight: 700; }
.stock-si { color: var(--verde); } .stock-no { color: var(--rojo); }
.precio-oculto { color: var(--gris); font-size: 15px; cursor: help; font-weight: 400; }
.banner-registro { background: var(--carbon); color: #e6e8ee; border-radius: 12px; padding: 12px 16px;
  font-size: 14px; font-weight: 500; margin: 10px 0 16px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ── chips de rubros con contador ── */
.rubros { display: flex; gap: 7px; flex-wrap: wrap; margin: 14px 0; }
.chip { background: var(--carta); border: 1.5px solid var(--borde); border-radius: 999px;
  padding: 6px 14px; font-size: 13px; font-weight: 600; color: var(--texto); box-shadow: var(--sombra); }
.chip:hover { border-color: var(--azul); color: var(--azul); }
.chip-sel { background: var(--azul); border-color: var(--azul); color: #fff; }
.chip-sel:hover { color: #fff; }
.chip-mini { font-size: 11.5px; padding: 3px 10px; box-shadow: none; }
.mini-rubros { display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; align-content: flex-start; margin: 0; min-height: 54px; }
.nav-util { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.celda-foto { width: 56px; }
.foto-mini { width: 48px; height: 48px; object-fit: contain; background: #fff; border: 1px solid var(--borde); border-radius: 9px; display: block; }

.buscador { display: flex; gap: 8px; margin: 14px 0; }
.buscador input[type=search] { flex: 1; box-shadow: var(--sombra); border-radius: 10px; }
.barra-cond { background: var(--carta); border: 1px solid var(--borde); border-left: 4px solid var(--ambar);
  border-radius: 10px; padding: 10px 14px; font-size: 13.5px; font-weight: 500; box-shadow: var(--sombra); }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; color: #fff; }
.badge-azul { background: var(--azul); } .badge-verde { background: var(--verde); }
.badge-naranja { background: var(--naranja); } .badge-violeta { background: var(--violeta); }
.badge-gris { background: var(--gris); }

.totales { text-align: right; margin: 12px 0; }
.totales .total { font-size: 21px; font-weight: 800; }
.barra-minima { background: var(--borde); border-radius: 999px; height: 10px; overflow: hidden; }
.barra-minima .progreso { background: var(--verde); height: 100%; }
.alerta { color: var(--rojo); font-weight: 700; }
.alerta-mini { color: var(--rojo); font-size: 11px; font-weight: 800; }
.ok-txt { color: var(--verde); font-weight: 700; }
.check { display: block; margin: 10px 0; font-size: 14px; }

.fila-pedido { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.fila-vencida td { background: #fef2f2; }

/* ── KPIs estilo bloques de color ── */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.kpi { border: 0; border-radius: 14px; padding: 16px; font-size: 13px; font-weight: 600;
  color: rgba(255,255,255,.85); box-shadow: var(--sombra); background: var(--carbon); }
.kpi:nth-child(4n+1) { background: var(--azul); }
.kpi:nth-child(4n+2) { background: var(--verde); }
.kpi:nth-child(4n+3) { background: var(--ambar); }
.kpi:nth-child(4n+4) { background: var(--carbon); }
.kpi small { color: rgba(255,255,255,.75); }
.kpi-num { display: block; font-size: 21px; font-weight: 800; color: #fff; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px 14px; align-items: end; }
.form-grid label { font-size: 13px; font-weight: 600; color: var(--gris); display: flex; flex-direction: column; gap: 4px; }

.btn-flotante { position: fixed; right: 20px; bottom: 20px; background: var(--carbon); color: #fff;
  padding: 13px 20px; border-radius: 999px; font-weight: 800; box-shadow: 0 8px 22px rgba(0,0,0,.3); z-index: 30; }
.btn-flotante:hover { background: #000; }

.chat { background: var(--carta); border: 1px solid var(--borde); border-radius: 14px; min-height: 260px;
  max-height: 55vh; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; box-shadow: var(--sombra); }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 14px; font-size: 14px; white-space: pre-wrap; }
.msg-user { align-self: flex-end; background: var(--azul); color: #fff; }
.msg-ia { align-self: flex-start; background: var(--fila); border: 1px solid var(--borde); }
.chat-form { display: flex; gap: 8px; margin-top: 10px; align-items: flex-end; }
.chat-form textarea { flex: 1; }
.atajos { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }

@media (max-width: 640px) {
  .tabla { display: block; overflow-x: auto; }
}

/* En el celular, que descripción + precio + cantidad entren siempre a la vista */
@media (max-width: 760px) {
  .col-rubro, .col-marca { display: none; }
  input.cant { width: 58px; height: 42px; font-size: 16px; }
  .tabla .btn-chico { padding: 10px 14px; font-size: 15px; }
}
@media (max-width: 480px) {
  .col-cod { display: none; }
  .celda-foto, .foto-mini { width: 40px; }
  .foto-mini { height: 40px; }
}