/* ============================================================
   Fiambrería — sistema de diseño propio
   Identidad: almacén de barrio, profesional.
   Paleta: pizarra (verde-negro del frente), sifón (verde botella),
   papel (fondo), salame (bordó destructivo), latón (avisos/promos).
   Firma: el "filete" — doble marco fino en las tarjetas, como el
   pinstriping de los frentes tradicionales.
   Tipos: serif de libro mayor para títulos, sans del sistema para
   operar, números tabulares en todas las grillas.
   ============================================================ */

:root {
  --pizarra: #222b21;
  --pizarra-alt: #2e3a2d;
  --sifon: #1c6e4d;
  --sifon-oscuro: #14543b;
  --sifon-suave: #e7f0ea;
  --papel: #f6f5f0;
  --blanco: #ffffff;
  --tinta: #20261f;
  --gris: #6f786d;
  --linea: #e4e2d9;
  --linea-fuerte: #c9c7bb;
  --crema: #faf9f4;
  --salame: #96414d;
  --salame-oscuro: #7c333e;
  --laton: #9c7218;
  --laton-suave: #f6ecd4;

  /* alias de compatibilidad (plantillas existentes) */
  --app-bg: var(--papel);
  --surface: var(--blanco);
  --surface-alt: var(--crema);
  --line: var(--linea);
  --line-strong: var(--linea-fuerte);
  --text: var(--tinta);
  --muted: var(--gris);
  --accent: var(--sifon);
  --accent-hover: var(--sifon-oscuro);
  --accent-soft: var(--sifon-suave);
  --success: var(--sifon);
  --warning: var(--laton);
  --danger: var(--salame);
  --stripe: var(--crema);
  --sidebar-bg: var(--pizarra);
  --sidebar-alt: var(--pizarra-alt);
  --sidebar-text: #b9c2b4;
  --sidebar-active: #d9e3d2;

  --display: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius: 8px;
  --sombra: 0 1px 2px rgba(32, 38, 31, 0.05);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--papel);
  color: var(--tinta);
  font-size: 14px;
  line-height: 1.45;
}

:focus-visible {
  outline: 2px solid var(--sifon);
  outline-offset: 1px;
}

.layout { display: flex; min-height: 100vh; }

/* ------------------------------------------------ sidebar */

.sidebar {
  width: 222px;
  background: var(--pizarra);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar .logo {
  padding: 20px 18px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(217, 227, 210, 0.14);
}
/* emblema con doble anillo: el filete en miniatura */
.sidebar .logo .emblem {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--pizarra);
  border: 1px solid #d9e3d2;
  box-shadow: inset 0 0 0 3px var(--pizarra), inset 0 0 0 4px rgba(217, 227, 210, 0.55);
  color: #ecf1e6; font-size: 22px; font-weight: 700;
  font-family: var(--display);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sidebar .logo h1 {
  font-size: 19px; margin: 0; color: #ecf1e6;
  font-family: var(--display); font-weight: 700; letter-spacing: 0.2px;
}
.sidebar .logo small { color: #93a08d; font-size: 11px; letter-spacing: 0.6px; text-transform: uppercase; }

.sidebar nav { flex: 1; padding: 10px 0; overflow-y: auto; }
.sidebar nav a {
  display: block;
  padding: 9px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 13.5px;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: var(--pizarra-alt); color: #fff; }
.sidebar nav a.active {
  background: var(--pizarra-alt);
  color: #ecf1e6;
  border-left-color: #d9e3d2;
}
.sidebar nav .nav-group {
  padding: 14px 20px 4px;
  color: #7e8a79;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  /* plegable: click en el titulo esconde/muestra el grupo (ui.js) */
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sidebar nav .nav-group::after {
  content: "▾";
  font-size: 9px;
  opacity: 0.7;
  transition: transform 0.15s ease;
}
.sidebar nav .nav-group.colapsado::after { transform: rotate(-90deg); }
.sidebar nav .nav-group:hover { color: #aab5a4; }
.sidebar nav a.sub { padding: 7px 20px 7px 32px; font-size: 13px; font-weight: 500; }
/* tercer nivel: sub-item de un submenu (ej. Compras > Buscar compras) */
.sidebar nav a.sub.sub2 { padding-left: 46px; font-size: 12.5px; }
.sidebar nav a.sub.sub2::before { content: "└ "; opacity: 0.55; }

.sidebar .userbox {
  padding: 14px 20px;
  color: var(--sidebar-text);
  font-size: 12.5px;
  border-top: 1px solid rgba(217, 227, 210, 0.14);
}
.sidebar .userbox strong { color: #ecf1e6; display: block; }
.sidebar .userbox a { color: #d9e3d2; }

/* ------------------------------------------------ contenido */

.content { flex: 1; padding: 24px 28px; min-width: 0; }
.content > h2 {
  margin: 0 0 2px;
  font-size: 26px;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.2px;
}
.content > p.sub { margin: 0 0 18px; color: var(--gris); font-size: 13px; }

/* flashes del servidor: se apilan como avisos flotantes */
.flash-stack {
  position: fixed;
  top: 16px; right: 16px;
  z-index: 80;
  display: flex; flex-direction: column; gap: 8px;
  max-width: 380px;
}
.flash {
  padding: 11px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 13.5px;
  background: var(--blanco);
  border: 1px solid var(--linea-fuerte);
  border-left: 4px solid var(--gris);
  box-shadow: 0 6px 18px rgba(32, 38, 31, 0.14);
  animation: flash-in 0.18s ease-out, flash-out 0.4s ease-in 6s forwards;
}
.flash.ok { border-left-color: var(--sifon); color: var(--sifon-oscuro); }
.flash.error { border-left-color: var(--salame); color: var(--salame-oscuro); }
@keyframes flash-in { from { transform: translateY(-6px); opacity: 0; } }
@keyframes flash-out { to { opacity: 0; visibility: hidden; } }

/* en el login el aviso es parte del formulario, no flota */
.login-card .flash {
  position: static;
  animation: none;
  box-shadow: none;
  margin-bottom: 12px;
}

/* ------------------------------------------------ tarjetas (con filete) */

.card {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--sombra);
  position: relative;
}
.card::before {
  /* el filete: marco interior fino, casi invisible pero presente */
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(28, 110, 77, 0.10);
  border-radius: 5px;
  pointer-events: none;
}
.card > * { position: relative; }
.card h3 {
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #45503f;
}
.card p.hint { margin: 0 0 12px; color: var(--gris); font-size: 12.5px; }

.cards-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.kpi {
  flex: 1; min-width: 148px;
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--sombra);
}
.kpi .label { color: var(--gris); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.8px; font-weight: 700; }
.kpi .value { font-size: 21px; font-weight: 700; margin-top: 3px; font-variant-numeric: tabular-nums; }
.kpi .value.green { color: var(--sifon); }
.kpi .value.red { color: var(--salame); }
/* Los importes nunca se parten en dos lineas ("$" arriba y "14.500,00" abajo) */
table.grid td.num, table.grid th.num { white-space: nowrap; }

/* Contenedor deslizable de tablas (ui.js lo agrega solo): en monitores
   angostos la tabla ancha se desliza de costado sin salirse de la tarjeta */
.tabla-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tabla-scroll > table.grid { min-width: 100%; }

/* Boton de WhatsApp (clientes / encargues): abre wa.me con el numero ya armado */
.btn.wa { background: #1faa53; border-color: #1faa53; color: #fff; }
.btn.wa:hover { background: #178a43; border-color: #178a43; color: #fff; }

/* Colores utilitarios en celdas de tabla (tendencia ▲/▼, stock bajo) */
.grid td.green, .grid td .green { color: var(--sifon); font-weight: 600; }
.grid td.red, .grid td .red { color: var(--salame); font-weight: 600; }
.kpi .kpi-note { color: var(--gris); font-size: 11.5px; margin-top: 2px; font-variant-numeric: tabular-nums; }
.delta { font-size: 11.5px; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; }
.delta.up { color: var(--sifon-oscuro); }
.delta.down { color: var(--salame); }

/* --------------------------------------- informes: periodos y graficos */

.chips { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.chip {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--linea-fuerte);
  background: var(--blanco);
  color: var(--tinta);
  font-size: 13px; font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.chip:hover { border-color: var(--sifon); color: var(--sifon-oscuro); }
.chip.active { background: var(--sifon); border-color: var(--sifon); color: #fff; }
.chip-sep { width: 1px; height: 22px; background: var(--linea-fuerte); margin: 0 4px; }
.chip-form { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.chip-form input[type="date"] { width: auto; padding: 5px 8px; font-size: 13px; }
.chip-form span { color: var(--gris); font-size: 12.5px; }

.bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 170px;
  padding-top: 18px;
}
.bar-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  position: relative;
}
.bar {
  width: 100%;
  max-width: 46px;
  background: var(--sifon);
  border-radius: 3px 3px 0 0;
  min-height: 2px;
}
.bar.laton { background: var(--laton); }
.bar-wrap:hover .bar { background: var(--sifon-oscuro); }
.bar-wrap:hover .bar.laton { background: #7d5b13; }
.bar-value {
  display: none;
  position: absolute;
  top: -4px;
  font-size: 10.5px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--tinta);
  background: var(--blanco);
  border: 1px solid var(--linea-fuerte);
  border-radius: 4px;
  padding: 1px 6px;
  z-index: 2;
  font-variant-numeric: tabular-nums;
}
.bar-wrap:hover .bar-value { display: block; }
.bar-label {
  font-size: 10px;
  color: var(--gris);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  max-width: 100%;
  text-overflow: ellipsis;
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------ tablas (densidad alta) */

table.grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}
table.grid th {
  background: var(--crema);
  color: #45503f;
  text-align: left;
  padding: 7px 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--linea-fuerte);
  position: sticky;
  top: 0;
  z-index: 1;
}
table.grid td { padding: 6px 10px; border-bottom: 1px solid var(--linea); }
table.grid tbody tr:nth-child(even) td { background: var(--crema); }
table.grid tbody tr:hover td { background: var(--sifon-suave); }
table.grid td.num, table.grid th.num { text-align: right; }
table.grid input { padding: 5px 8px; font-size: 13.5px; }

/* th ordenable (DataTable) */
table.grid th[data-sortable] { cursor: pointer; user-select: none; white-space: nowrap; }
table.grid th[data-sortable]:hover { color: var(--sifon-oscuro); }
table.grid th .dt-arrow { font-size: 10px; margin-left: 3px; color: var(--sifon); }

/* barra de herramientas de tabla (contador, filtro, export, paginas) */
.dt-toolbar {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  margin: 0 0 10px;
  font-size: 12.5px; color: var(--gris);
}
.dt-toolbar input { max-width: 240px; padding: 6px 10px; font-size: 13px; }
.dt-toolbar .dt-count { margin-right: auto; }
.dt-pager { display: flex; gap: 4px; align-items: center; margin-top: 10px; font-size: 12.5px; color: var(--gris); }
.dt-pager button { min-width: 30px; }

/* ------------------------------------------------ lista vacia */

.empty {
  border: 1px dashed var(--linea-fuerte);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  color: var(--gris);
  font-size: 13.5px;
  background: var(--crema);
}
.empty strong { color: var(--tinta); display: block; margin-bottom: 2px; font-size: 14px; }

/* ------------------------------------------------ formularios */

input, select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--linea-fuerte);
  border-radius: 6px;
  font: inherit;
  background: var(--blanco);
  color: var(--tinta);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--sifon);
  outline-offset: 0;
  border-color: var(--sifon);
}
label { font-size: 12px; font-weight: 600; color: var(--gris); display: block; margin: 10px 0 4px; }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--linea-fuerte);
  background: var(--blanco);
  color: var(--tinta);
  font: inherit; font-weight: 600; font-size: 13.5px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { border-color: var(--sifon); color: var(--sifon-oscuro); }
.btn.primary { background: var(--sifon); border-color: var(--sifon); color: #fff; }
.btn.primary:hover { background: var(--sifon-oscuro); color: #fff; }
.btn.danger { background: var(--salame); border-color: var(--salame); color: #fff; }
.btn.danger:hover { background: var(--salame-oscuro); color: #fff; }
.btn.small { padding: 4px 10px; font-size: 12.5px; }
.btn:disabled { opacity: 0.55; cursor: default; }

.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 140px; }

.two-cols { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.two-cols > .card { flex: 1; min-width: 320px; }

.badge {
  display: inline-block; padding: 1px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.2px;
}
.badge.ok { background: var(--sifon-suave); color: var(--sifon-oscuro); }
.badge.warn { background: var(--laton-suave); color: var(--laton); }
.badge.info { background: #e9ece4; color: #45503f; }

/* ------------------------------------------------ toasts (avisos del sistema) */

.toast-stack {
  position: fixed;
  bottom: 18px; right: 18px;
  z-index: 90;
  display: flex; flex-direction: column-reverse; gap: 8px;
  max-width: 380px;
}
.toast {
  background: var(--pizarra);
  color: #ecf1e6;
  border-radius: var(--radius);
  border-left: 4px solid var(--sifon);
  padding: 11px 16px;
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: 0 8px 22px rgba(32, 38, 31, 0.3);
  animation: toast-in 0.16s ease-out;
  white-space: pre-line;
}
.toast.error { border-left-color: #d98a94; }
.toast.warn { border-left-color: #d9b35e; }
.toast.out { opacity: 0; transition: opacity 0.3s; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } }

/* ------------------------------------------------ modal de confirmacion */

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(32, 38, 31, 0.45);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: toast-in 0.12s ease-out;
}
.modal {
  background: var(--blanco);
  border-radius: 10px;
  padding: 20px;
  width: 100%; max-width: 420px;
  box-shadow: 0 18px 50px rgba(32, 38, 31, 0.35);
  position: relative;
}
.modal::before {
  content: "";
  position: absolute; inset: 5px;
  border: 1px solid rgba(28, 110, 77, 0.12);
  border-radius: 6px;
  pointer-events: none;
}
.modal h4 {
  margin: 0 0 6px;
  font-family: var(--display);
  font-size: 18px;
}
.modal p { margin: 0 0 16px; color: var(--gris); font-size: 14px; white-space: pre-line; }
.modal .modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ------------------------------------------------ login */

.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--pizarra);
}
.login-card {
  background: var(--blanco);
  border-radius: 12px;
  padding: 34px;
  width: 360px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.login-card::before {
  content: "";
  position: absolute; inset: 6px;
  border: 1px solid rgba(28, 110, 77, 0.14);
  border-radius: 8px;
  pointer-events: none;
}
.login-card > * { position: relative; }
.login-card h1 {
  margin: 0 0 4px; font-size: 24px; text-align: center;
  font-family: var(--display);
}
.login-card p { color: var(--gris); text-align: center; margin: 0 0 18px; font-size: 13px; }

/* ------------------------------------------------ POS */

.pos-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 980px) { .pos-grid { grid-template-columns: 1fr; } }
.pos-results {
  max-height: 300px; overflow-y: auto;
  border: 1px solid var(--linea); border-radius: 6px; margin-top: 8px;
  background: var(--blanco);
}
.pos-results .item {
  padding: 8px 12px; border-bottom: 1px solid var(--linea);
  cursor: pointer; display: flex; justify-content: space-between; gap: 8px;
  font-variant-numeric: tabular-nums;
}
.pos-results .item:hover, .pos-results .item.active { background: var(--sifon-suave); }
.pos-results .item small { color: var(--gris); }
.cart-total {
  font-size: 27px; font-weight: 800; text-align: right; margin-top: 10px;
  font-variant-numeric: tabular-nums;
  font-family: var(--display);
}
.pos-totales { margin-top: 10px; font-variant-numeric: tabular-nums; }
.pos-totales .linea {
  display: flex; justify-content: flex-end; align-items: center; gap: 10px;
  margin-top: 6px; color: var(--gris); font-size: 13.5px;
}
.pos-totales .linea strong { color: var(--tinta); min-width: 90px; text-align: right; }
.pos-totales .linea label { margin: 0; }

/* ------------------------------------------------ responsive y movimiento */

@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; }
  .sidebar nav { display: flex; flex-wrap: wrap; padding: 4px; }
  .sidebar nav .nav-group { width: 100%; padding: 8px 16px 2px; }
  .sidebar nav a, .sidebar nav a.sub { padding: 10px 14px; border-left: none; }
  .content { padding: 14px 12px; }

  /* celular: las tablas anchas se deslizan de costado dentro de su tarjeta */
  .card { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table.grid { min-width: 560px; }
  table.grid th { position: static; } /* sticky + scroll lateral no se llevan bien */

  /* dedos, no mouse: campos y botones mas grandes; 16px evita el zoom forzado */
  input, select, textarea { font-size: 16px; padding: 10px 12px; }
  .btn { padding: 11px 16px; }
  .btn.small { padding: 8px 12px; font-size: 13.5px; }
  .form-row > div { min-width: 100%; }
  .dt-toolbar input { max-width: 100%; }
  .kpi { min-width: 130px; }
  .cart-total { font-size: 23px; }
  .flash-stack { left: 12px; right: 12px; max-width: none; }
  .toast-stack { left: 12px; right: 12px; max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  .flash, .toast, .modal-backdrop { animation: none; }
  .flash { opacity: 1; visibility: visible; }
}