:root {
  --fondo: #0d1117; --tarjeta: #161b22; --borde: #30363d;
  --texto: #e6edf3; --tenue: #8b98a5; --azul: #2f81f7; --naranja: #ff4208;
  --ok: #2ea043; --mal: #f85149; --aviso: #bf8700;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--fondo); color: var(--texto);
  font: 14px/1.45 -apple-system, "Segoe UI", Roboto, sans-serif; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 10px; }
.sub { color: var(--tenue); font-size: 12px; }

header { display: flex; align-items: center; gap: 16px; padding: 14px 20px;
  border-bottom: 3px solid var(--azul); background: var(--tarjeta); flex-wrap: wrap; }
header .titulo { flex: 1; display: flex; flex-direction: column; }
.sesion { display: flex; gap: 10px; align-items: center; color: var(--tenue); }
button { background: var(--azul); color: #fff; border: 0; border-radius: 6px; padding: 7px 14px;
  font-weight: 600; cursor: pointer; }
.sesion button { background: transparent; border: 1px solid var(--borde); color: var(--texto); }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; padding: 16px 20px; }
.kpi { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 8px; padding: 12px 14px;
  border-top: 3px solid var(--azul); display: flex; flex-direction: column; }
.kpi.ok { border-top-color: var(--ok); } .kpi.mal { border-top-color: var(--mal); }
.kpi .n { font-size: 28px; font-weight: 700; } .kpi .l { color: var(--tenue); font-size: 12px; }

.graficas { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; padding: 0 20px 16px; }
.graf { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 8px; padding: 14px; }
.dona-wrap { display: flex; align-items: center; gap: 16px; }
.dona-wrap svg { width: 130px; height: 130px; flex: none; }
.dona-wrap svg circle { transition: stroke-dasharray .4s; }
.dona-wrap .centro { fill: var(--texto); font-size: 20px; font-weight: 700; text-anchor: middle; }
.dona-wrap .centro-l { fill: var(--tenue); font-size: 8px; text-anchor: middle; }
.leyenda { list-style: none; margin: 0; padding: 0; font-size: 12px; flex: 1; min-width: 0; }
.leyenda li { white-space: nowrap; display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.leyenda .sw { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.leyenda .v { margin-left: auto; white-space: nowrap; color: var(--tenue); font-variant-numeric: tabular-nums; }

.filtros { display: flex; gap: 10px; padding: 0 20px 12px; flex-wrap: wrap; }
input, select { background: var(--tarjeta); color: var(--texto); border: 1px solid var(--borde);
  border-radius: 6px; padding: 8px 10px; font: inherit; }
#buscar { flex: 1; min-width: 220px; }

.tabla-wrap { padding: 0 20px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--tarjeta); border-radius: 8px; overflow: hidden; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--borde); white-space: nowrap; }
th { color: var(--tenue); font-weight: 600; font-size: 12px; cursor: pointer; user-select: none; }
th.orden::after { content: " ▾"; color: var(--naranja); }
th.orden.asc::after { content: " ▴"; }
tbody tr { cursor: pointer; } tbody tr:hover { background: #1c2330; }
tbody tr.sel { background: #1f2a3c; }
td.num { font-variant-numeric: tabular-nums; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.pill.arriba { background: rgba(46,160,67,.18); color: #3fb950; }
.pill.abajo { background: rgba(248,81,73,.18); color: #ff7b72; }
.pill.sin_dato { background: rgba(139,152,165,.18); color: var(--tenue); }

.detalle, .eventos { margin: 16px 20px; background: var(--tarjeta); border: 1px solid var(--borde);
  border-radius: 8px; padding: 14px; }
#det-graf { width: 100%; height: 160px; background: var(--fondo); border-radius: 6px; }
.eventos ul { list-style: none; margin: 0; padding: 0; max-height: 320px; overflow-y: auto; }
.eventos li { padding: 6px 0; border-bottom: 1px solid var(--borde); }
.eventos .cae { color: #ff7b72; } .eventos .recupera { color: #3fb950; }

body.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.caja-login { background: var(--tarjeta); border: 1px solid var(--borde); border-top: 3px solid var(--azul);
  border-radius: 10px; padding: 28px; width: 100%; max-width: 360px; text-align: center; }
.caja-login h1 { margin-top: 4px; }
.caja-login form { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; text-align: left; }
.caja-login label { display: flex; flex-direction: column; gap: 4px; color: var(--tenue); font-size: 12px; }
.caja-login button { margin-top: 6px; padding: 10px; }
.error { color: #ff7b72; background: rgba(248,81,73,.12); padding: 8px; border-radius: 6px; }

@media (max-width: 640px) {
  header, .kpis, .graficas, .filtros, .tabla-wrap { padding-left: 16px; padding-right: 16px; }
  .detalle, .eventos { margin: 16px; }
}