/* SaasMarket · Sistema de diseño de la SPA (POS e inventario para minimarkets) */

:root {
  --fondo: #f1f5f9;
  --panel: #ffffff;
  --tinta: #0f172a;
  --tinta-suave: #64748b;
  --borde: #e2e8f0;
  --marca: #10b981;
  --marca-oscura: #059669;
  --acento: #0ea5e9;
  --peligro: #ef4444;
  --aviso: #f59e0b;
  --sidebar: #0b1220;
  --sidebar-tinta: #94a3b8;
  --radio: 16px;
  --sombra: 0 1px 3px rgba(15, 23, 42, .08), 0 10px 30px -18px rgba(15, 23, 42, .35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--fondo);
  color: var(--tinta);
  -webkit-font-smoothing: antialiased;
}
.oculto { display: none !important; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--acento); text-decoration: none; }

/* ---------- Login ---------- */
.login {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(1100px 700px at 15% 0%, #134e4a 0%, #0f172a 55%, #020617 100%);
}
.login-tarjeta {
  width: min(430px, 100%);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 24px;
  padding: 40px 36px;
  color: #e2e8f0;
  backdrop-filter: blur(14px);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .7);
}
.login-logo {
  width: 64px; height: 64px; border-radius: 18px;
  background: linear-gradient(160deg, #34d399, #059669);
  display: grid; place-items: center;
  font-size: 34px; font-weight: 800; color: #fff;
  box-shadow: 0 12px 30px -10px rgba(16, 185, 129, .8);
}
.login h1 { margin: 18px 0 4px; font-size: 26px; letter-spacing: -.5px; }
.login .slogan { margin: 0 0 26px; color: #94a3b8; font-size: 14px; line-height: 1.5; }
.login label { display: block; font-size: 13px; color: #cbd5e1; margin: 14px 0 6px; }
.login input {
  width: 100%; padding: 13px 14px; border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(2, 6, 23, .55); color: #f1f5f9; outline: none;
}
.login input:focus { border-color: #34d399; box-shadow: 0 0 0 3px rgba(52, 211, 153, .25); }
.login-error { margin-top: 14px; color: #fda4af; font-size: 13px; min-height: 18px; }
.login-pie { margin-top: 22px; font-size: 12px; color: #64748b; display: flex; justify-content: space-between; gap: 10px; }

/* ---------- Shell ---------- */
.app { min-height: 100dvh; }
.shell { display: grid; grid-template-columns: 248px 1fr; min-height: 100dvh; }
.sidebar {
  background: var(--sidebar);
  color: var(--sidebar-tinta);
  display: flex; flex-direction: column;
  padding: 18px 14px;
  position: sticky; top: 0; height: 100dvh;
}
.marca { display: flex; align-items: center; gap: 10px; padding: 6px 8px 18px; }
.marca-cubo {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(160deg, #34d399, #059669); color: #fff; font-weight: 800;
}
.marca strong { color: #f8fafc; font-size: 16px; letter-spacing: -.3px; }
.marca small { display: block; font-size: 11px; color: #64748b; }
.nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-enlace {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; border-radius: 12px; color: var(--sidebar-tinta);
  cursor: pointer; font-size: 14px; border: 0; background: transparent; text-align: left;
}
.nav-enlace:hover { background: rgba(148, 163, 184, .12); color: #e2e8f0; }
.nav-enlace.activo { background: linear-gradient(90deg, rgba(16, 185, 129, .22), rgba(16, 185, 129, .06)); color: #6ee7b7; }
.nav-enlace .icono { width: 20px; text-align: center; }
.sidebar-pie { border-top: 1px solid rgba(148, 163, 184, .15); padding-top: 14px; font-size: 12px; }
.sidebar-pie .negocio { color: #e2e8f0; font-weight: 600; }
.sidebar-pie .usuario { color: #64748b; margin-top: 2px; }

.principal { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px; background: rgba(255, 255, 255, .85);
  border-bottom: 1px solid var(--borde);
  position: sticky; top: 0; z-index: 30; backdrop-filter: blur(10px);
}
.topbar h2 { margin: 0; font-size: 17px; letter-spacing: -.3px; }
.topbar .crecer { flex: 1; }
.contenido { padding: 22px; flex: 1; }

/* ---------- Botones y controles ---------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 12px; border: 1px solid transparent;
  background: var(--marca); color: #fff; cursor: pointer; font-weight: 600; font-size: 14px;
}
.boton:hover { background: var(--marca-oscura); }
.boton:disabled { opacity: .55; cursor: not-allowed; }
.boton.secundario { background: #fff; color: var(--tinta); border-color: var(--borde); }
.boton.secundario:hover { background: #f8fafc; }
.boton.fantasma { background: transparent; color: var(--tinta-suave); border-color: transparent; }
.boton.fantasma:hover { background: rgba(15, 23, 42, .06); }
.boton.peligro { background: var(--peligro); }
.boton.peligro:hover { background: #dc2626; }
.boton.chico { padding: 7px 11px; font-size: 13px; border-radius: 10px; }
.campo {
  width: 100%; padding: 10px 12px; border-radius: 12px;
  border: 1px solid var(--borde); background: #fff; outline: none;
}
.campo:focus { border-color: var(--marca); box-shadow: 0 0 0 3px rgba(16, 185, 129, .18); }
label.etiqueta { display: block; font-size: 12.5px; color: var(--tinta-suave); margin: 12px 0 5px; font-weight: 600; }
.fila { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ---------- Tarjetas / KPIs ---------- */
.tarjeta { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); box-shadow: var(--sombra); }
.tarjeta-cabecera { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--borde); }
.tarjeta-cabecera h3 { margin: 0; font-size: 15px; }
.tarjeta-cuerpo { padding: 18px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 18px; }
.kpi { padding: 18px; display: flex; gap: 14px; align-items: center; }
.kpi .emoji { font-size: 26px; }
.kpi .valor { font-size: 26px; font-weight: 800; letter-spacing: -.5px; }
.kpi .rotulo { color: var(--tinta-suave); font-size: 13px; }
.kpi.alerta .valor { color: var(--peligro); }

/* ---------- Tablas ---------- */
.tabla { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabla th { text-align: left; color: var(--tinta-suave); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; padding: 10px 12px; border-bottom: 1px solid var(--borde); }
.tabla td { padding: 11px 12px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.tabla tr:hover td { background: #f8fafc; }
.tabla .num { text-align: right; font-variant-numeric: tabular-nums; }
.tabla-scroll { overflow-x: auto; }

/* ---------- Insignias ---------- */
.insignia { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.insignia.ok { background: #d1fae5; color: #065f46; }
.insignia.bajo { background: #fee2e2; color: #991b1b; }
.insignia.info { background: #e0f2fe; color: #075985; }
.insignia.aviso { background: #fef3c7; color: #92400e; }
.insignia.neutro { background: #e2e8f0; color: #334155; }

/* ---------- POS ---------- */
.pos { display: grid; grid-template-columns: 1fr 380px; gap: 16px; align-items: start; }
.pos-buscador { display: flex; gap: 10px; margin-bottom: 14px; }
.pos-buscador input {
  flex: 1; padding: 16px 18px; font-size: 20px; border-radius: 14px;
  border: 2px solid var(--borde); outline: none; background: #fff;
}
.pos-buscador input:focus { border-color: var(--marca); box-shadow: 0 0 0 4px rgba(16, 185, 129, .15); }
.pos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.pos-producto {
  background: #fff; border: 1px solid var(--borde); border-radius: 14px;
  padding: 14px; cursor: pointer; text-align: left;
}
.pos-producto:hover { border-color: var(--marca); box-shadow: var(--sombra); }
.pos-producto .nombre { font-weight: 600; font-size: 14px; line-height: 1.3; min-height: 36px; }
.pos-producto .codigo { color: var(--tinta-suave); font-size: 11px; margin-top: 2px; }
.pos-producto .precio { font-size: 19px; font-weight: 800; margin-top: 8px; color: var(--marca-oscura); }
.pos-producto .etiquetas { margin-top: 6px; display: flex; gap: 4px; flex-wrap: wrap; }
.pos-atajos { color: var(--tinta-suave); font-size: 12px; margin-top: 12px; }
.pos-atajos kbd { background: #e2e8f0; border-radius: 6px; padding: 1px 6px; font-size: 11px; }
.ticket { position: sticky; top: 86px; display: flex; flex-direction: column; max-height: calc(100dvh - 120px); }
.ticket .tarjeta-cuerpo { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.ticket-lineas { overflow-y: auto; flex: 1; }
.ticket-linea { display: grid; grid-template-columns: 1fr auto; gap: 6px; padding: 12px 16px; border-bottom: 1px solid #f1f5f9; }
.ticket-linea .linea-nombre { font-weight: 600; font-size: 13.5px; }
.ticket-linea .linea-precio { color: var(--tinta-suave); font-size: 12px; }
.ticket-linea .linea-subtotal { font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.ticket-controles { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.ticket-controles button { width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--borde); background: #fff; cursor: pointer; }
.ticket-totales { padding: 16px; border-top: 2px dashed var(--borde); }
.ticket-total { display: flex; justify-content: space-between; font-size: 15px; margin-bottom: 4px; }
.ticket-total.grande { font-size: 24px; font-weight: 800; margin-top: 8px; }

/* ---------- Modales y toasts ---------- */
.fondo-modal { position: fixed; inset: 0; background: rgba(2, 6, 23, .55); display: grid; place-items: center; z-index: 90; padding: 18px; }
.modal { width: min(560px, 100%); max-height: 90dvh; overflow: auto; background: #fff; border-radius: 18px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .5); }
.modal-cabecera { padding: 16px 20px; border-bottom: 1px solid var(--borde); display: flex; align-items: center; }
.modal-cabecera h3 { margin: 0; font-size: 16px; flex: 1; }
.modal-cuerpo { padding: 20px; }
.modal-pie { padding: 16px 20px; border-top: 1px solid var(--borde); display: flex; justify-content: flex-end; gap: 10px; }
.rejilla-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.toasts { position: fixed; bottom: 18px; right: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 120; }
.toast { background: #0f172a; color: #f8fafc; padding: 12px 16px; border-radius: 12px; font-size: 13.5px; box-shadow: var(--sombra); animation: aparecer .2s ease; max-width: 340px; }
.toast.ok { background: #065f46; }
.toast.error { background: #991b1b; }
@keyframes aparecer { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

.cargando { padding: 40px; text-align: center; color: var(--tinta-suave); }
.error-panel { margin: 24px; padding: 18px; border-radius: 12px; background: #fee2e2; color: #991b1b; font-size: 14px; }
.vacio { padding: 34px; text-align: center; color: var(--tinta-suave); font-size: 14px; }

/* Modo pantalla completa / instalada */
@media (display-mode: fullscreen), (display-mode: standalone) {
  .topbar { padding-top: max(14px, env(safe-area-inset-top)); }
}

/* Responsivo */
@media (max-width: 1080px) {
  .pos { grid-template-columns: 1fr; }
  .ticket { position: static; max-height: none; }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; bottom: 0; top: auto; height: auto; z-index: 60; flex-direction: row; padding: 8px; }
  .sidebar .marca, .sidebar-pie { display: none; }
  .nav { flex-direction: row; justify-content: space-around; width: 100%; }
  .nav-enlace span.texto { display: none; }
  .contenido { padding: 14px; padding-bottom: 90px; }
}