:root {
  --bg: #0b0e14;
  --panel: #141925;
  --panel-2: #1b2230;
  --linea: #263042;
  --texto: #e6ebf5;
  --tenue: #8a96ac;
  --acento: #5b8cff;
  --verde: #34d399;
  --ambar: #fbbf24;
  --radio: 14px;
  --sombra: 0 10px 30px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, #18223a 0%, var(--bg) 55%) fixed;
  color: var(--texto);
  font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  min-height: 100vh;
}
a { color: var(--acento); }

/* ── Login ─────────────────────────────────────── */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.login-card {
  background: var(--panel); border: 1px solid var(--linea); border-radius: var(--radio);
  box-shadow: var(--sombra); padding: 2.2rem; width: 100%; max-width: 360px;
}
.login-card h1 { font-size: 1.25rem; margin: 0 0 .25rem; }
.login-card p { color: var(--tenue); margin: 0 0 1.4rem; font-size: .9rem; }
.login-card input {
  width: 100%; padding: .8rem 1rem; border-radius: 10px; border: 1px solid var(--linea);
  background: var(--panel-2); color: var(--texto); font: inherit; margin-bottom: .9rem;
}
.login-card button {
  width: 100%; padding: .85rem; border: 0; border-radius: 10px; background: var(--acento);
  color: #08101f; font-weight: 700; font: inherit; cursor: pointer;
}
.error { color: #f87171; font-size: .85rem; margin-top: .2rem; }

/* ── Dashboard ─────────────────────────────────── */
header.barra {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: 1.1rem 1.5rem; border-bottom: 1px solid var(--linea);
  position: sticky; top: 0; background: rgba(11,14,20,.85); backdrop-filter: blur(8px); z-index: 5;
}
.barra h1 { font-size: 1.05rem; margin: 0; letter-spacing: .2px; }
.barra .crece { flex: 1; }
.rango { display: inline-flex; border: 1px solid var(--linea); border-radius: 10px; overflow: hidden; }
.rango button { background: var(--panel); color: var(--tenue); border: 0; padding: .45rem .8rem; cursor: pointer; font: inherit; }
.rango button.activo { background: var(--acento); color: #08101f; font-weight: 700; }
.salir { color: var(--tenue); text-decoration: none; font-size: .85rem; border: 1px solid var(--linea); padding: .45rem .8rem; border-radius: 10px; }

main { padding: 1.5rem; max-width: 1180px; margin: 0 auto; }
.aviso { background: var(--panel); border: 1px solid var(--ambar); border-radius: var(--radio); padding: 1rem 1.2rem; color: var(--ambar); margin-bottom: 1.2rem; }
.aviso.err { border-color: #f87171; color: #f87171; }

.tarjetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.tarjeta { background: var(--panel); border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.1rem 1.2rem; }
.tarjeta .etq { color: var(--tenue); font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; }
.tarjeta .val { font-size: 2rem; font-weight: 700; margin-top: .25rem; }
.tarjeta .val small { font-size: .9rem; color: var(--tenue); font-weight: 500; }

.bloque { background: var(--panel); border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.2rem 1.3rem; margin-bottom: 1.5rem; }
.bloque h2 { font-size: .95rem; margin: 0 0 1rem; color: var(--tenue); text-transform: uppercase; letter-spacing: .5px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: right; padding: .65rem .6rem; border-bottom: 1px solid var(--linea); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--tenue); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .4px; }
td .landing { font-weight: 700; }
.pill { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .8rem; font-weight: 700; }
.pill.bueno { background: rgba(52,211,153,.15); color: var(--verde); }
.pill.medio { background: rgba(251,191,36,.15); color: var(--ambar); }
.pill.bajo  { background: rgba(248,113,113,.15); color: #f87171; }

.grafico { display: flex; align-items: flex-end; gap: 4px; height: 160px; padding-top: .5rem; }
.grafico .col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: 2px; min-width: 0; }
.grafico .barra-v { background: linear-gradient(180deg, var(--acento), #3a63cc); border-radius: 4px 4px 0 0; }
.grafico .barra-lead { background: linear-gradient(180deg, var(--verde), #1f9e74); border-radius: 4px 4px 0 0; }
.leyenda { display: flex; gap: 1.2rem; color: var(--tenue); font-size: .82rem; margin-top: .8rem; }
.leyenda i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: .4rem; vertical-align: middle; }
.pie { color: var(--tenue); font-size: .8rem; text-align: center; padding: 1rem 0 2rem; }
.cargando { color: var(--tenue); padding: 2rem; text-align: center; }