/* Reportes a2 — estilos. Colores como variables para modo claro y oscuro. */
:root {
  color-scheme: light;
  --fondo: #f4f5f7;
  --superficie: #ffffff;
  --superficie-2: #f9fafb;
  --borde: #e5e7eb;
  --borde-fuerte: #d1d5db;
  --texto: #111827;
  --texto-2: #4b5563;
  --texto-3: #6b7280;
  --tinta: #16202e;
  --tinta-2: #1f3a4d;
  --acento: #0f766e;
  --acento-2: #0d9488;
  --acento-suave: #e6f4f2;
  --serie-1: #2a78d6;
  --serie-ant: #9ca3af;
  --cat-1: #2a78d6; --cat-2: #eb6834; --cat-3: #1baf7a; --cat-4: #eda100; --cat-5: #e87ba4;
  --bueno: #0a7f0a;
  --malo: #b42318;
  --aviso: #8a5a00;
  --sombra: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --radio: 12px;
  --fuente: "Segoe UI", "Inter", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --fondo: #111315;
    --superficie: #1a1a19;
    --superficie-2: #222221;
    --borde: #2f2f2d;
    --borde-fuerte: #3d3d3a;
    --texto: #f0efec;
    --texto-2: #c3c2b7;
    --texto-3: #9a998f;
    --acento: #14b8a6;
    --acento-2: #2dd4bf;
    --acento-suave: #12302d;
    --serie-1: #3987e5;
    --serie-ant: #6b6b66;
    --cat-1: #3987e5; --cat-2: #d95926; --cat-3: #199e70; --cat-4: #c98500; --cat-5: #d55181;
    --bueno: #34c759;
    --malo: #f97066;
    --aviso: #fdb022;
    --sombra: none;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--fuente);
  font-size: 14px;
  color: var(--texto);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
button, input, select { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
.sub { color: var(--texto-3); margin: 2px 0 0; }
.error { color: var(--malo); min-height: 20px; margin: 6px 0; font-size: 13px; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---------- botones y controles ---------- */
.primario {
  background: var(--acento); color: #fff; border: 0; border-radius: 10px;
  padding: 9px 16px; font-weight: 600; cursor: pointer;
}
.primario:hover { background: var(--acento-2); }
.primario:disabled { opacity: .6; cursor: default; }
.primario.grande { width: 100%; padding: 14px; font-size: 16px; }
.secundario {
  background: var(--superficie); color: var(--texto); border: 1px solid var(--borde-fuerte);
  border-radius: 10px; padding: 8px 14px; cursor: pointer; font-weight: 500;
}
.secundario:hover { border-color: var(--acento); color: var(--acento); }
.enlace { background: none; border: 0; padding: 0; color: var(--acento); cursor: pointer; font-size: 13px; }
.enlace:hover { text-decoration: underline; }
.enlace.claro { color: rgba(255, 255, 255, .7); }
input[type=text], input[type=search], input[type=date], input[type=month], input[type=number], input[type=password], input:not([type]), select {
  height: 38px; border: 1px solid var(--borde-fuerte); border-radius: 10px; padding: 0 12px;
  background: var(--superficie); min-width: 0;
}
input:focus, select:focus, button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--acento) 35%, transparent); outline-offset: 1px; border-color: var(--acento);
}

/* ---------- login ---------- */
.login { min-height: 100%; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1200px 600px at 20% 0%, color-mix(in srgb, var(--acento) 10%, transparent), transparent), var(--fondo); }
.login-tarjeta {
  width: min(900px, 100%); min-height: 520px; display: grid; grid-template-columns: 360px 1fr;
  background: var(--superficie); border-radius: 20px; overflow: hidden; box-shadow: 0 20px 50px rgba(16, 24, 40, .12);
  border: 1px solid var(--borde);
}
.login-marca {
  background: linear-gradient(145deg, var(--tinta), var(--tinta-2)); color: #fff; padding: 44px 40px;
  display: flex; flex-direction: column; position: relative; overflow: hidden;
}
.login-marca::after { content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%;
  background: rgba(255, 255, 255, .05); right: -140px; top: -110px; }
.login-marca h1 { font-size: 32px; line-height: 1.15; margin: 28px 0 14px; }
.login-marca p { color: rgba(255, 255, 255, .7); line-height: 1.5; margin: 0; }
.login-marca small { margin-top: auto; color: rgba(255, 255, 255, .5); }
.login-form { padding: 56px 64px; display: flex; flex-direction: column; justify-content: center; }
.login-form h2 { font-size: 26px; }
.login-form .sub { margin-bottom: 26px; font-size: 14px; }
.login-form label { font-weight: 600; font-size: 13px; color: var(--texto-2); margin-bottom: 6px; }
.login-form input { height: 48px; font-size: 16px; margin-bottom: 16px; background: var(--superficie-2); }
#campo-empresa:not([hidden]) { display: contents; }
.login-form input:focus { background: var(--superficie); }
.fila-etiqueta { display: flex; justify-content: space-between; align-items: baseline; }
.logo { width: 52px; height: 52px; border-radius: 14px; background: var(--acento); display: flex; align-items: flex-end;
  gap: 4px; padding: 12px; }
.logo span { flex: 1; background: #fff; border-radius: 2px; }
.logo span:nth-child(1) { height: 35%; } .logo span:nth-child(2) { height: 60%; }
.logo span:nth-child(3) { height: 45%; } .logo span:nth-child(4) { height: 85%; opacity: .8; }
.logo.chico { width: 34px; height: 34px; border-radius: 9px; padding: 8px; gap: 2px; flex: none; }

/* ---------- estructura ---------- */
.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100%; }
.lateral { background: linear-gradient(180deg, var(--tinta), var(--tinta-2)); color: #fff; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; }
.lateral-marca { display: flex; gap: 10px; align-items: center; padding: 20px 18px; }
.lateral-marca small { display: block; color: rgba(255, 255, 255, .55); font-size: 12px; }
nav { padding: 8px 10px; display: flex; flex-direction: column; gap: 2px; flex: 1; overflow: auto; }
nav .grupo { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: rgba(255, 255, 255, .45);
  padding: 14px 10px 6px; }
nav a { color: rgba(255, 255, 255, .8); text-decoration: none; padding: 9px 12px; border-radius: 9px; display: flex;
  gap: 10px; align-items: center; }
nav a:hover { background: rgba(255, 255, 255, .07); color: #fff; }
nav a.activo { background: rgba(255, 255, 255, .12); color: #fff; font-weight: 600; }
nav a svg { width: 18px; height: 18px; flex: none; opacity: .85; }
.lateral-pie { padding: 14px 18px 18px; border-top: 1px solid rgba(255, 255, 255, .08); }
.usuario { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
.usuario small { display: block; color: rgba(255, 255, 255, .55); font-size: 12px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--acento); display: grid; place-items: center;
  font-weight: 700; flex: none; }
.principal { min-width: 0; padding: 24px 28px 40px; }
.cabecera { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.cabecera h1 { font-size: 24px; }
.pastilla { background: var(--superficie); border: 1px solid var(--borde); border-radius: 999px; padding: 6px 12px;
  color: var(--texto-2); font-size: 12px; white-space: nowrap; display: inline-flex; gap: 6px; align-items: center; }
.pastilla .punto { width: 8px; height: 8px; border-radius: 50%; background: var(--bueno); }
.pastilla.error .punto { background: var(--malo); }

/* ---------- filtros ---------- */
.filtros { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 18px;
  background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio); padding: 12px 14px; }
.filtros:empty { display: none; }
.campo { display: flex; flex-direction: column; gap: 4px; }
.campo > span { font-size: 11px; color: var(--texto-3); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.campo select { min-width: 150px; }
.segmentos { display: inline-flex; border: 1px solid var(--borde-fuerte); border-radius: 10px; overflow: hidden; height: 38px; }
.segmentos button { border: 0; background: var(--superficie); padding: 0 12px; cursor: pointer; color: var(--texto-2);
  border-right: 1px solid var(--borde); }
.segmentos button:last-child { border-right: 0; }
.segmentos button.activo { background: var(--acento-suave); color: var(--acento); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; width: 100%; }
.chips:empty { display: none; }
.chip { background: var(--acento-suave); color: var(--acento); border: 0; border-radius: 999px; padding: 4px 10px; cursor: pointer;
  font-size: 12px; font-weight: 600; }
.chip::after { content: " ×"; }

/* ---------- tarjetas ---------- */
.contenido { display: grid; gap: 16px; }
.rejilla { display: grid; gap: 16px; grid-template-columns: repeat(12, 1fr); }
.c12 { grid-column: span 12; } .c8 { grid-column: span 8; } .c7 { grid-column: span 7; } .c6 { grid-column: span 6; }
.c5 { grid-column: span 5; } .c4 { grid-column: span 4; }
.tarjeta { background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio); box-shadow: var(--sombra);
  padding: 16px 18px; min-width: 0; }
.tarjeta > header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.tarjeta h3 { font-size: 15px; }
.tarjeta header small { color: var(--texto-3); }
.kpis { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.kpi { background: var(--superficie); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px 16px;
  box-shadow: var(--sombra); }
.kpi span { color: var(--texto-3); font-size: 12px; font-weight: 600; }
.kpi strong { display: block; font-size: 22px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 6px 0 4px; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.kpi small { color: var(--texto-3); font-size: 12px; }
.delta { font-weight: 600; }
.delta.sube { color: var(--bueno); } .delta.baja { color: var(--malo); }
.grafica { width: 100%; height: 300px; }
.grafica.alta { height: 360px; } .grafica.baja { height: 240px; }
.vacio { color: var(--texto-3); padding: 30px; text-align: center; }

/* ---------- tablas ---------- */
.tabla-caja { overflow: auto; border: 1px solid var(--borde); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-size: 12px; color: var(--texto-3); font-weight: 600; background: var(--superficie-2);
  padding: 9px 10px; border-bottom: 1px solid var(--borde); white-space: nowrap; position: sticky; top: 0; }
th.ordenable { cursor: pointer; user-select: none; }
th.ordenable:hover { color: var(--texto); }
th .flecha { opacity: .6; }
td { padding: 8px 10px; border-bottom: 1px solid var(--borde); white-space: nowrap; }
tbody tr:hover td { background: var(--superficie-2); }
tr.clic { cursor: pointer; }
tfoot td { font-weight: 650; background: var(--superficie-2); border-bottom: 0; }
td.neg { color: var(--malo); }
.etiqueta { font-size: 11px; border-radius: 6px; padding: 2px 6px; background: var(--superficie-2); color: var(--texto-2);
  border: 1px solid var(--borde); white-space: nowrap; }
.etiqueta.dev { color: var(--malo); }
.paginacion { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; color: var(--texto-3); }
.paginacion div { display: flex; gap: 8px; }
.barra-acciones { display: flex; gap: 8px; margin-left: auto; align-items: flex-end; }
.mini-barra { height: 6px; border-radius: 3px; background: var(--serie-1); min-width: 2px; }

.pestanas { display: flex; gap: 6px; flex-wrap: wrap; }
.pestanas button { border: 1px solid var(--borde-fuerte); background: var(--superficie); border-radius: 999px; padding: 5px 12px;
  cursor: pointer; color: var(--texto-2); font-size: 12px; }
.pestanas button.activo { background: var(--acento-suave); border-color: var(--acento); color: var(--acento); font-weight: 600; }
.barra-tabla { display: flex; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 10px; flex-wrap: wrap; }
.alerta { font-size: 11px; border-radius: 6px; padding: 2px 6px; white-space: nowrap; margin-right: 4px; border: 1px solid var(--borde); }
.alerta.negativo { color: var(--malo); } .alerta.sinMovimiento { color: var(--aviso); } .alerta.bajoMinimo { color: var(--malo); }
.alerta.exceso { color: var(--texto-2); } .alerta.sinCosto { color: var(--texto-3); } .alerta.precioBajoCosto { color: var(--malo); }
.clase { display: inline-block; width: 22px; text-align: center; border-radius: 6px; font-weight: 700; font-size: 12px;
  background: var(--superficie-2); border: 1px solid var(--borde); }

/* ---------- panel lateral ---------- */
.panel { position: fixed; inset: 0; background: rgba(15, 23, 42, .35); display: flex; justify-content: flex-end; z-index: 20; }
.panel-caja { width: min(760px, 100%); background: var(--superficie); height: 100%; display: flex; flex-direction: column;
  box-shadow: -10px 0 30px rgba(0, 0, 0, .15); }
.panel-caja header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px;
  border-bottom: 1px solid var(--borde); }
.panel-cuerpo { padding: 18px 22px; overflow: auto; flex: 1; display: grid; gap: 14px; align-content: start; }
.cerrar { background: none; border: 0; font-size: 26px; line-height: 1; cursor: pointer; color: var(--texto-3); }
.form-rejilla { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.casillas { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.casillas label { display: inline-flex; gap: 6px; align-items: center; }
fieldset { border: 1px solid var(--borde); border-radius: 10px; padding: 10px 14px; margin: 0; }
legend { font-weight: 600; font-size: 13px; padding: 0 4px; }
.nota { font-size: 12px; color: var(--texto-3); }
.aviso { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--tinta); color: #fff;
  padding: 10px 18px; border-radius: 10px; z-index: 30; box-shadow: 0 8px 24px rgba(0, 0, 0, .2); }
.aviso.error { background: var(--malo); }
.cargando { opacity: .55; pointer-events: none; transition: opacity .15s; }

/* ---------- pantallas chicas ---------- */
@media (max-width: 1100px) {
  .c8, .c7, .c6, .c5, .c4 { grid-column: span 12; }
}
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .lateral { position: static; height: auto; }
  nav { flex-direction: row; flex-wrap: wrap; }
  nav .grupo { display: none; }
  .principal { padding: 16px; }
  .login-tarjeta { grid-template-columns: 1fr; }
  .login-marca { padding: 28px; }
  .login-form { padding: 32px 24px; }
}

/* ---------- impresión ---------- */
@page { size: A4 landscape; margin: 12mm; }
@media print {
  :root { color-scheme: light; }
  body { background: #fff; color: #111; font-size: 11px; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .lateral, .filtros .segmentos, .barra-acciones, .paginacion button, #actualizado, .barra-tabla input, .barra-tabla .exportar,
  .acciones-ia, .guardar-ia, #ia-form, .pestanas button:not(.activo), #panel-lateral, details { display: none !important; }
  .app { display: block; }
  .principal { padding: 0; }
  .tarjeta, .kpi { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
  .kpis { grid-template-columns: repeat(4, 1fr) !important; }
  .rejilla > .tarjeta { grid-column: span 12 !important; }
  .tabla-caja { max-height: none !important; overflow: visible !important; }
  table { font-size: 10px; }
  th { position: static; }
  tr { break-inside: avoid; }
  #titulo::after { content: " — " attr(data-impreso); font-weight: 400; font-size: 12px; color: #555; }
}

/* Preguntas con IA: reportes guardados */
.lista-ia { display: grid; gap: 8px; max-height: 320px; overflow: auto; }
.item-ia { display: grid; gap: 2px; text-align: left; padding: 10px 12px; border: 1px solid var(--borde); border-radius: 10px;
  background: var(--superficie); color: var(--texto); cursor: pointer; font: inherit; }
.item-ia:hover { border-color: var(--acento); }
.item-ia small { color: var(--texto-2); font-size: 12px; }
.chip-mini { display: inline-block; font-size: 11.5px; padding: 2px 8px; border-radius: 999px; background: var(--superficie-2); color: var(--texto-2); }
.chip-mini.ok { background: color-mix(in srgb, var(--acento) 14%, transparent); color: var(--acento); }
.acciones-ia { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 4px 0 12px; }
.guardar-ia { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 12px; padding: 12px; border-radius: 10px; background: var(--superficie-2); }
.guardar-ia input[name="nombre"] { flex: 1; min-width: 220px; height: 38px; }
.guardar-ia label { display: flex; gap: 6px; align-items: center; font-size: 13px; }
.panel-cuerpo { grid-auto-rows: max-content; }