/* BITS Comercio — estilos propios (sin framework), paleta de El Güerco.
   Colores extraidos de https://www.elguerco.com el 2026-08-15. */

:root {
  --color-primary: #282828;   /* carbon: texto, nav */
  --color-primary-soft: #4a4a4a;
  --color-accent: #E15100;    /* naranja quemado: acciones primarias */
  --color-accent-dark: #b84200;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f3ef;
  --color-border: #e2ddd5;
  --color-success: #1e7d3c;
  --color-success-bg: #e6f4ea;
  --color-danger: #c62828;
  --color-danger-bg: #fdecea;
  --color-warning: #b8860b;
  --color-warning-bg: #fff6e0;
  --color-muted: #6b6b6b;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(40, 40, 40, 0.08);
  --tap: 44px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

img { max-width: 100%; display: block; }

a { color: var(--color-accent-dark); }

h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.2; }
p { margin: 0 0 .75rem; }

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: var(--tap);
  padding: .6rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  background: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-border);
  transition: transform .05s ease, background .15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }
.btn-dark { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-success { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.btn-block { width: 100%; }
.btn-lg { min-height: 56px; font-size: 1.15rem; padding: .8rem 1.4rem; }
.btn-sm { min-height: 36px; padding: .3rem .7rem; font-size: .875rem; }
.btn-icon { width: var(--tap); height: var(--tap); padding: 0; border-radius: 999px; font-size: 1.3rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Formularios ---------- */

label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .9rem; color: var(--color-primary-soft); }
input, select, textarea {
  display: block;
  width: 100%;
  min-height: var(--tap);
  margin-top: .3rem;
  padding: .55rem .7rem;
  font-size: 1rem;
  font-family: inherit;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-primary);
}
textarea { min-height: 90px; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(225, 81, 0, .15);
}
fieldset { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem; margin: 0 0 1rem; }
legend { font-weight: 700; padding: 0 .4rem; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 1rem; }
.form-actions { display: flex; gap: .75rem; margin-top: 1rem; flex-wrap: wrap; }

/* ---------- Alertas / badges ---------- */

.alert { padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-weight: 600; }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); }

.badge { display: inline-block; padding: .2rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.badge-borrador { background: #e6e6e6; color: #444; }
.badge-surtido { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-pagado { background: var(--color-success-bg); color: var(--color-success); }
.badge-cancelado { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-al-corriente { background: var(--color-success-bg); color: var(--color-success); }
.badge-por-vencer { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-vencido { background: var(--color-danger-bg); color: var(--color-danger); }

/* ---------- Layout con sesion ---------- */

.app-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 1rem;
  padding: .6rem 1rem;
  background: var(--color-primary);
  color: #fff;
}
.app-header .brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; letter-spacing: .02em; }
.app-header .brand .logo {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--color-accent); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.app-header .brand .brand-logo-img {
  width: 34px; height: 34px; border-radius: 8px;
  object-fit: contain; background: #fff; padding: 2px;
}
.app-header .spacer { flex: 1; }
.app-header .user { font-size: .85rem; text-align: right; opacity: .9; }
.nav-toggle-btn {
  display: none; width: var(--tap); height: var(--tap);
  align-items: center; justify-content: center;
  background: transparent; border: none; color: #fff; font-size: 1.4rem; cursor: pointer;
}
.nav-toggle-checkbox { display: none; }

.app-shell { display: flex; min-height: calc(100vh - 56px); }

.app-nav {
  width: 230px; flex-shrink: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 1rem .6rem;
}
.app-nav a {
  display: flex; align-items: center; min-height: var(--tap);
  padding: 0 .8rem; margin-bottom: .15rem;
  border-radius: var(--radius);
  color: #e9e5df; text-decoration: none; font-weight: 600; font-size: .95rem;
}
.app-nav a:hover, .app-nav a.active { background: rgba(255,255,255,.12); color: #fff; }
.app-nav a.active { border-left: 4px solid var(--color-accent); }

.app-main { flex: 1; padding: 1.25rem; max-width: 1400px; }

@media (max-width: 900px) {
  .nav-toggle-btn { display: inline-flex; }
  .app-nav {
    position: fixed; inset: 56px 0 0 0; z-index: 30;
    width: 100%; height: calc(100vh - 56px);
    transform: translateX(-100%);
    transition: transform .2s ease;
    overflow-y: auto;
  }
  .nav-toggle-checkbox:checked ~ .app-shell .app-nav { transform: translateX(0); }
  .app-main { padding: .85rem; }
}

/* ---------- Modo escritorio (monitores de Admin/Almacenista) ----------
   Solo afecta componentes genericos de gestion (tarjetas, tablas, formularios):
   nunca --tap ni las clases propias de POS/Consignacion/firma, que deben seguir
   siendo comodas al tacto aunque se abran en una tablet grande apaisada. */
@media (min-width: 1100px) {
  .app-main { padding: 1.75rem 2.25rem; max-width: 1600px; }
  .app-nav { width: 210px; }
  .card { padding: 1.4rem 1.7rem; }
  .table-wrap table { min-width: 0; }
  th, td { padding: .5rem .85rem; font-size: .88rem; }
  .table-wrap tbody tr:hover td { background: var(--color-bg-alt); }
  .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .form-row { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
}

/* ---------- Tarjetas / tablas ---------- */

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  margin-bottom: 1rem;
}
.card h2, .card h3 { margin-top: 0; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.kpi { background: var(--color-bg); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; border-left: 6px solid var(--color-accent); }
.kpi .kpi-label { font-size: .8rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: .04em; font-weight: 700; }
.kpi .kpi-value { font-size: 1.9rem; font-weight: 800; margin-top: .2rem; }
.kpi.kpi-alert { border-left-color: var(--color-danger); }

.table-wrap { overflow-x: auto; background: var(--color-bg); border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { text-align: left; padding: .65rem .8rem; border-bottom: 1px solid var(--color-border); font-size: .92rem; }
th { background: var(--color-bg-alt); font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; }

.toolbar { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.toolbar .grow { flex: 1; min-width: 180px; }

.empty-state { text-align: center; padding: 2.5rem 1rem; color: var(--color-muted); }

/* ---------- Login / registro ---------- */

.auth-body { background: var(--color-primary); min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.auth-card { background: #fff; border-radius: 16px; padding: 2rem; width: 100%; max-width: 380px; box-shadow: 0 20px 50px rgba(0,0,0,.35); }
.auth-brand { text-align: center; margin-bottom: 1.5rem; }
.auth-logo { width: 56px; height: 56px; margin: 0 auto .5rem; border-radius: 14px; background: var(--color-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.3rem; }
.auth-logo-img { width: 56px; height: 56px; margin: 0 auto .5rem; border-radius: 14px; object-fit: contain; background: #fff; padding: 4px; box-shadow: var(--shadow); }
.auth-sub { color: var(--color-muted); font-size: .9rem; margin: 0; }
.auth-hint { text-align: center; font-size: .85rem; color: var(--color-muted); margin-top: 1rem; }

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

.pos-layout { display: grid; grid-template-columns: 1fr 380px; gap: 1rem; align-items: start; }
@media (max-width: 1000px) { .pos-layout { grid-template-columns: 1fr; } }

.pos-filters { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 1rem; }
.pos-filters select { width: auto; min-width: 160px; }
.pos-scanner { flex: 1; min-width: 220px; }
.pos-scanner input { border-color: var(--color-accent); font-size: 1.1rem; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .8rem; }
.product-card {
  background: var(--color-bg); border: 2px solid var(--color-border); border-radius: var(--radius);
  padding: .7rem; cursor: pointer; text-align: left; font: inherit; color: inherit;
  display: flex; flex-direction: column; gap: .35rem;
}
.product-card:hover, .product-card:focus-visible { border-color: var(--color-accent); }
.product-card[disabled] { opacity: .45; cursor: not-allowed; }
.product-card img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; background: var(--color-bg-alt); }
.product-card .p-name { font-weight: 700; font-size: .9rem; }
.product-card .p-variant { font-size: .78rem; color: var(--color-muted); }
.product-card .p-price { font-weight: 800; color: var(--color-accent-dark); font-size: 1.05rem; }
.product-card .p-stock { font-size: .75rem; color: var(--color-muted); }

.cart-panel { position: sticky; top: 70px; }
.cart-lines { max-height: 40vh; overflow-y: auto; margin-bottom: .75rem; }
.cart-line { display: grid; grid-template-columns: 1fr auto; gap: .3rem .6rem; padding: .6rem 0; border-bottom: 1px solid var(--color-border); }
.cart-line .name { font-weight: 700; font-size: .9rem; grid-column: 1 / -1; }
.cart-line .qty-controls { display: flex; align-items: center; gap: .4rem; }
.cart-line .qty-controls button { width: 36px; height: 36px; border-radius: 8px; border: 2px solid var(--color-border); background: #fff; font-size: 1.1rem; cursor: pointer; }
.cart-line .qty-controls input { width: 54px; text-align: center; min-height: 36px; padding: 0; }
.cart-line .line-total { align-self: center; font-weight: 700; text-align: right; }

.cart-totals { border-top: 2px dashed var(--color-border); padding-top: .75rem; margin-top: .5rem; }
.cart-totals .row { display: flex; justify-content: space-between; font-size: .95rem; margin-bottom: .3rem; }
.cart-totals .total { font-size: 2.1rem; font-weight: 900; color: var(--color-accent-dark); display: flex; justify-content: space-between; margin-top: .4rem; }

/* ---------- Ticket imprimible ---------- */

.ticket { width: 300px; margin: 0 auto; font-family: "Courier New", monospace; font-size: 12px; color: #000; background: #fff; padding: 8px; }
.ticket h2 { font-size: 14px; text-align: center; margin: 0 0 4px; }
.ticket .center { text-align: center; }
.ticket .line { border-top: 1px dashed #000; margin: 6px 0; }
.ticket table { width: 100%; font-size: 11px; }
.ticket .total-row { font-size: 14px; font-weight: bold; }
.ticket-actions { text-align: center; margin: 1rem 0; }

@media print {
  body * { visibility: hidden; }
  .ticket, .ticket * { visibility: visible; }
  .ticket { position: absolute; top: 0; left: 0; width: 58mm; padding: 0; }
  .ticket.w80 { width: 80mm; }
  .ticket-actions, .app-header, .app-nav { display: none !important; }
}

/* ---------- Catalogos base: pestanas + dialogos ---------- */

.cat-tabs {
  display: flex; gap: .3rem; flex-wrap: wrap;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 1.25rem; padding-bottom: 0;
}
.cat-tab {
  background: transparent; border: none; cursor: pointer;
  min-height: var(--tap); padding: 0 1rem;
  font-weight: 700; font-size: .95rem; color: var(--color-muted);
  border-radius: var(--radius) var(--radius) 0 0;
}
.cat-tab:hover { background: var(--color-bg-alt); color: var(--color-primary); }
.cat-tab.active { color: var(--color-accent-dark); background: var(--color-bg-alt); box-shadow: inset 0 -3px 0 0 var(--color-accent); }

.cat-panel { display: none; }
.cat-panel.active { display: block; }

dialog.cat-dialog {
  border: none; border-radius: var(--radius); padding: 0;
  width: min(480px, 92vw);
  box-shadow: 0 24px 70px rgba(0,0,0,.4);
}
dialog.cat-dialog::backdrop { background: rgba(40,40,40,.6); }
dialog.cat-dialog .dialog-body { padding: 1.25rem 1.4rem 1.4rem; }
dialog.cat-dialog h3 { margin-top: 0; }

/* ---------- Firma canvas (consignacion) ---------- */

.signature-pad { border: 2px dashed var(--color-border); border-radius: var(--radius); touch-action: none; width: 100%; height: 220px; background: #fff; }

/* ---------- Utilidades ---------- */

.muted { color: var(--color-muted); }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.flex { display: flex; }
.gap { gap: .6rem; }
.wrap { flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }