/* Informe de Ventas — estilos del dashboard */
:root {
  --page:        #f9f9f7;
  --surface:     #fcfcfb;
  --ink:         #0b0b0b;
  --ink-2:       #52514e;
  --muted:       #898781;
  --grid:        #e1e0d9;
  --baseline:    #c3c2b7;
  --border:      rgba(11, 11, 11, 0.10);
  --accent:      #2a78d6;   /* serie principal */
  --accent-dark: #1c5cab;
  --context:     #c3c2b7;   /* serie de contexto (año anterior) */
  --up:          #006300;
  --down:        #d03b3b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
}

/* ---- barra superior ---- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand h1 { margin: 0; font-size: 20px; font-weight: 650; }
.brand-sub { color: var(--muted); font-size: 12px; letter-spacing: .06em; }
.filtros { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.filtros label { display: flex; flex-direction: column; gap: 3px; font-size: 11px; color: var(--ink-2); }
.filtros select, .mini-select {
  font: inherit;
  padding: 5px 8px;
  border: 1px solid var(--baseline);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  min-width: 130px;
}

main { max-width: 1280px; margin: 0 auto; padding: 20px 24px 40px; display: flex; flex-direction: column; gap: 20px; }

/* ---- KPIs ---- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.tile-label { font-size: 12px; color: var(--ink-2); }
.tile-value { font-size: 26px; font-weight: 650; line-height: 1.15; }
.tile-delta { font-size: 12px; color: var(--muted); min-height: 15px; }
.tile-delta.up   { color: var(--up); }
.tile-delta.down { color: var(--down); }

/* ---- tarjetas y grilla de gráficos ---- */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid .wide { grid-column: 1 / -1; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}
.card-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.card-head h2 { margin: 0; font-size: 14px; font-weight: 600; color: var(--ink-2); }
.card-head .unit { color: var(--muted); font-size: 12px; }
.chart-box { position: relative; height: 300px; }
.wide .chart-box { height: 320px; }

/* ---- tabla detalle ---- */
.buscador {
  font: inherit;
  margin-left: auto;
  padding: 6px 10px;
  border: 1px solid var(--baseline);
  border-radius: 6px;
  min-width: 260px;
  background: var(--surface);
  color: var(--ink);
}
.tabla-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--baseline);
  padding: 8px 10px;
  white-space: nowrap;
  position: sticky;
  top: 0;
  background: var(--surface);
}
tbody td { padding: 7px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
tbody tr:hover { background: rgba(42, 120, 214, 0.06); }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.neg { color: var(--down); }

.paginacion { display: flex; align-items: center; gap: 14px; justify-content: flex-end; padding-top: 12px; color: var(--ink-2); }
.paginacion button {
  font: inherit;
  padding: 6px 12px;
  border: 1px solid var(--baseline);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}
.paginacion button:disabled { opacity: .45; cursor: default; }
.paginacion button:not(:disabled):hover { border-color: var(--accent); color: var(--accent); }

.pie { text-align: center; color: var(--muted); font-size: 12px; padding: 0 0 24px; }

/* ---- utilidades compartidas (login, botones, chips) ---- */
.oculto { display: none !important; }

.btn {
  font: inherit; padding: 9px 16px; border: none; border-radius: 6px;
  background: var(--accent); color: #fff; cursor: pointer; font-weight: 600;
}
.btn:hover { background: var(--accent-dark); }
.btn.secundario { background: transparent; color: var(--ink-2); border: 1px solid var(--baseline); }
.btn.secundario:hover { color: var(--accent); border-color: var(--accent); background: transparent; }

.aviso { padding: 10px 14px; border-radius: 8px; font-size: 13px; display: none; }
.aviso.ok    { display: block; background: rgba(12,163,12,.1);  color: var(--up); }
.aviso.error { display: block; background: rgba(208,59,59,.1);  color: var(--down); }

.login-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: var(--page);
  display: flex; align-items: flex-start; justify-content: center;
}
.login-card { max-width: 380px; width: 100%; margin-top: 90px; display: flex; flex-direction: column; gap: 14px; }
.login-card input {
  font: inherit; padding: 9px 12px; border: 1px solid var(--baseline);
  border-radius: 6px; background: var(--surface); color: var(--ink);
}

/* ---- barra de filtros del informe ---- */
.filtros-card { display: flex; flex-wrap: wrap; gap: 22px; align-items: flex-start; }
.filtro-grupo { display: flex; flex-direction: column; gap: 7px; }
.filtro-titulo { font-size: 11px; color: var(--ink-2); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.filtro-titulo small { font-weight: 400; text-transform: none; color: var(--muted); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip-filtro {
  font: inherit; font-size: 13px; padding: 6px 14px;
  border: 1px solid var(--baseline); border-radius: 999px;
  background: var(--surface); color: var(--ink-2); cursor: pointer;
}
.chip-filtro.activo {
  background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600;
}
.chip-filtro:not(.activo):hover { border-color: var(--accent); color: var(--accent); }
.filtro-grupo.selects { flex-direction: row; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-left: auto; }
.filtro-grupo.selects label { display: flex; flex-direction: column; gap: 3px; font-size: 11px; color: var(--ink-2); }
.filtro-grupo.selects select {
  font: inherit; padding: 5px 8px; border: 1px solid var(--baseline);
  border-radius: 6px; background: var(--surface); color: var(--ink); min-width: 120px;
}

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .buscador { min-width: 100%; margin-left: 0; }
}