:root {
  color-scheme: light;
  --plano: #f4f4f1;
  --superficie: #fcfcfb;
  --tinta: #0b0b0b;
  --tinta-2: #52514e;
  --tinta-3: #898781;
  --grilla: #e1e0d9;
  --eje: #c3c2b7;
  --borde: rgba(11, 11, 11, 0.10);
  --acento: #2a78d6;
  --acento-2: #eb6834;
  --sube: #006300;
  --baja: #b42d2d;
  --critico: #d03b3b;
  --aviso-fondo: #fff6e0;
  --aviso-borde: #f0d48a;
  --error-fondo: #fdeceb;
  --error-borde: #f0c2bc;
  /* rampa ordinal azul (antigüedad de deuda) */
  --r1: #86b6ef; --r2: #5598e7; --r3: #2a78d6; --r4: #1c5cab; --r5: #104281;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --plano: #0d0d0d;
    --superficie: #1a1a19;
    --tinta: #f0efec;
    --tinta-2: #c3c2b7;
    --tinta-3: #898781;
    --grilla: #2c2c2a;
    --eje: #383835;
    --borde: rgba(255, 255, 255, 0.10);
    --acento: #3987e5;
    --acento-2: #d95926;
    --sube: #0ca30c;
    --baja: #e66767;
    --aviso-fondo: #2b2410;
    --aviso-borde: #5a4a1a;
    --error-fondo: #2e1514;
    --error-borde: #5c2a27;
    --r1: #3987e5; --r2: #2a78d6; --r3: #256abf; --r4: #1c5cab; --r5: #184f95;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 14px/1.45 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--plano);
  color: var(--tinta);
  -webkit-font-smoothing: antialiased;
}
h2 { font-size: 14px; font-weight: 600; margin: 0; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- Login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: min(360px, 100%); background: var(--superficie); border: 1px solid var(--borde);
  border-radius: 12px; padding: 28px; display: grid; gap: 10px;
}
.login-card .marca { margin-bottom: 12px; }
.login-card label { font-size: 13px; color: var(--tinta-2); }
.login-card input {
  font: inherit; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--eje);
  background: var(--plano); color: var(--tinta);
}
.login-card button { font: inherit; font-weight: 600; padding: 10px; border: 0; border-radius: 8px; background: var(--acento); color: #fff; cursor: pointer; }
.login-error { color: var(--baja); margin: 0; font-size: 13px; }
.login-texto { margin: 0 0 6px; color: var(--tinta-2); font-size: 13px; }
.btn-google {
  display: flex; align-items: center; justify-content: center; gap: 10px; padding: 10px 14px;
  border-radius: 8px; border: 1px solid var(--eje); background: var(--superficie); color: var(--tinta);
  font-weight: 600; text-decoration: none;
}
.btn-google:hover { border-color: var(--tinta-3); }
.usuario { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--tinta-2); }
.usuario img { width: 24px; height: 24px; border-radius: 50%; }

/* ---------- Cabecera ---------- */
.marca { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; letter-spacing: -0.01em; }
.marca-punto { width: 10px; height: 10px; border-radius: 3px; background: var(--acento); }
.empresa { font-weight: 400; color: var(--tinta-3); margin-left: 6px; font-size: 13px; }
.top {
  position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 10px;
  align-items: center; justify-content: space-between; padding: 12px 24px;
  background: color-mix(in srgb, var(--plano) 88%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--borde);
}
.top-acciones { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.estado { color: var(--tinta-3); font-size: 12px; margin-right: 4px; }
.btn {
  font: inherit; font-size: 13px; font-weight: 500; padding: 6px 12px; border-radius: 7px;
  border: 1px solid var(--borde); background: var(--superficie); color: var(--tinta);
  cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: var(--eje); }
.btn:disabled { opacity: .5; cursor: progress; }
.btn-sec { color: var(--tinta-2); }

/* ---------- Contenido ---------- */
.contenido { max-width: 1320px; margin: 0 auto; padding: 20px 24px 40px; }
.avisos, .error-global { border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; font-size: 13px; }
.avisos { background: var(--aviso-fondo); border: 1px solid var(--aviso-borde); color: var(--tinta-2); }
.avisos ul { margin: 4px 0 0; padding-left: 18px; }
.error-global { background: var(--error-fondo); border: 1px solid var(--error-borde); }

.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--superficie); border: 1px solid var(--borde); border-radius: 10px; padding: 14px 16px; }
.kpi-label { font-size: 12px; color: var(--tinta-2); }
.kpi-valor { font-size: 24px; font-weight: 650; letter-spacing: -0.02em; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.kpi-det { font-size: 12px; color: var(--tinta-3); font-variant-numeric: tabular-nums; }
.kpi-det .sube { color: var(--sube); font-weight: 600; }
.kpi-det .baja { color: var(--baja); font-weight: 600; }
.esqueleto { height: 84px; background: linear-gradient(90deg, var(--superficie), var(--borde), var(--superficie)); background-size: 200% 100%; animation: brillo 1.4s infinite; }
@keyframes brillo { to { background-position: -200% 0; } }

.grilla { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--superficie); border: 1px solid var(--borde); border-radius: 10px; padding: 16px 18px; min-width: 0; }
.card.ancho { grid-column: 1 / -1; }
.card > header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px; margin-bottom: 12px; }
.sub { font-size: 12px; color: var(--tinta-3); font-variant-numeric: tabular-nums; }
.chart-box { position: relative; height: 260px; }
.vacio { color: var(--tinta-3); font-size: 13px; padding: 16px 0; }

/* barras horizontales en HTML */
.barras { display: grid; gap: 8px; }
.barra { display: grid; grid-template-columns: minmax(90px, 34%) 1fr auto; gap: 10px; align-items: center; font-size: 13px; }
.barra-nombre { color: var(--tinta-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.barra-pista { height: 14px; border-radius: 0 4px 4px 0; position: relative; }
.barra-relleno { height: 100%; border-radius: 0 4px 4px 0; background: var(--acento); min-width: 2px; }
.barra-valor { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.barra-valor small { color: var(--tinta-3); margin-left: 6px; }

/* tablas */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 500; color: var(--tinta-3); font-size: 12px; padding: 0 8px 6px 0; border-bottom: 1px solid var(--eje); }
td { padding: 7px 8px 7px 0; border-bottom: 1px solid var(--grilla); vertical-align: middle; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.nombre { max-width: 0; width: 55%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini { display: block; height: 4px; border-radius: 0 2px 2px 0; background: var(--acento); margin-top: 4px; opacity: .85; }
.tabla-datos { margin-top: 10px; font-size: 13px; }
.tabla-datos summary { cursor: pointer; color: var(--tinta-3); font-size: 12px; }
.tabla-datos table { margin-top: 8px; }

.pie { margin-top: 20px; color: var(--tinta-3); font-size: 12px; }

@media (max-width: 860px) {
  .grilla { grid-template-columns: 1fr; }
  .top, .contenido { padding-left: 16px; padding-right: 16px; }
  .chart-box { height: 220px; }
}