:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e2e6ec;
  --text: #1f2933;
  --muted: #6b7785;
  --accent: #2563eb;
  --accent-soft: #e0ebff;
  --good: #16a34a;
  --warn: #d97706;
  --bad:  #dc2626;
  --shadow: 0 1px 2px rgba(15,23,42,.04), 0 4px 12px rgba(15,23,42,.04);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: grid;
  grid-template-columns: 240px 1fr;
}

/* ---- Sidebar ---- */
.sidebar {
  background: #0f172a;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 28px; padding: 0 8px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg,#2563eb,#7c3aed);
  color: #fff; display: grid; place-items: center; font-weight: 700;
}
.brand-title { color: #fff; font-weight: 700; }
.brand-sub { color: #94a3b8; font-size: 12px; }

.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a {
  display: block; padding: 9px 12px; border-radius: 8px;
  color: #cbd5e1; text-decoration: none; font-size: 14px; font-weight: 500;
}
.sidebar nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar nav a.active { background: var(--accent); color: #fff; }
.sidebar-foot { margin-top: auto; padding: 10px 12px; color: #64748b; font-size: 11px; }

/* ---- Topbar / main ---- */
main { padding: 24px 28px 60px; max-width: 100%; min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.topbar h1 { font-size: 22px; margin: 0; }
.actions { display: flex; gap: 8px; }

button, .btn {
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  padding: 7px 12px; border-radius: 8px; font-size: 13px; font-weight: 500; cursor: pointer;
}
button:hover, .btn:hover { background: #f0f3f8; }
button.primary { background: var(--accent); color: white; border-color: transparent; }
button.primary:hover { background: #1d4ed8; }
button.ghost { background: transparent; color: var(--accent); border-color: transparent; }

/* ---- KPI cards ---- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 18px; }
.kpi {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; box-shadow: var(--shadow);
}
.kpi .lbl { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.kpi .val { font-size: 26px; font-weight: 700; margin-top: 4px; }
.kpi .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kpi.warn .val { color: var(--warn); }
.kpi.bad .val { color: var(--bad); }
.kpi.good .val { color: var(--good); }

/* ---- Panel and charts ---- */
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; box-shadow: var(--shadow); margin-bottom: 16px;
}
.panel h2 { font-size: 14px; margin: 0 0 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.row { display: grid; gap: 16px; }
.row.cols-2 { grid-template-columns: 1fr 1fr; }
.row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 1100px) { .row.cols-2, .row.cols-3 { grid-template-columns: 1fr; } }
.chart-box { position: relative; height: 320px; }

/* ---- Filtros ---- */
.filters {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: end;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px; margin-bottom: 16px; box-shadow: var(--shadow);
}
.filters label { display: flex; flex-direction: column; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.filters input, .filters select {
  margin-top: 4px; padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; min-width: 140px; background: #fff; color: var(--text);
}

/* ---- Tablas ---- */
.tbl-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.tbl-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; border-bottom: 1px solid var(--border);
}
.tbl-head .meta { color: var(--muted); font-size: 13px; }
.tbl-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 9px 12px; text-align: left; vertical-align: top; }
thead th {
  background: #f9fafc; color: var(--muted); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr { border-top: 1px solid #f0f2f6; }
tbody tr:hover { background: #f9fafc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.muted { color: var(--muted); }
.badge {
  display: inline-block; padding: 1px 7px; border-radius: 99px; font-size: 11px;
  font-weight: 600; background: var(--accent-soft); color: var(--accent);
}
.badge.warn { background: #fef3c7; color: var(--warn); }
.badge.bad { background: #fee2e2; color: var(--bad); }
.badge.good { background: #dcfce7; color: var(--good); }
.tbl-foot { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-top: 1px solid var(--border); }
.pager { display: flex; gap: 6px; align-items: center; }

.empty {
  padding: 36px 16px; text-align: center; color: var(--muted); font-size: 14px;
}
.empty strong { color: var(--text); display: block; margin-bottom: 4px; font-size: 16px; }

.spin {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -2px; margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* compact lists in agrupaciones */
.subtable { font-size: 12px; width: 100%; }
.subtable th, .subtable td { padding: 4px 8px; }