:root{
  --xio-azul:#3776AB;     /* azul marca (Python) */
  --xio-amarillo:#FFD43B; /* amarillo acento (Python) */
  --xio-azul2:#1F4E78;
  --text:#0f172a;
  --muted:#64748b;
  --borde:#e5e7eb;
  --bg:#ffffff;
  --bg-soft:#f7f8fb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg-soft);color:var(--text);font:16px/1.5 system-ui,Segoe UI,Roboto,Helvetica,Arial}
a{color:var(--xio-azul);text-decoration:none}
button{cursor:pointer}

.app{
  display:grid; grid-template-columns:260px 1fr; min-height:100vh;
}
.sidebar{
  background:#0f1f35; color:#e5e7eb; padding:24px 18px; position:sticky; top:0; height:100vh;
  border-right:1px solid #0b1626;
}
.brand{display:flex; align-items:center; gap:10px; margin-bottom:28px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--xio-amarillo)}
.brand h1{font-size:18px;margin:0}
.nav a{
  display:block; padding:10px 12px; border-radius:10px; color:#e5e7eb; margin-bottom:6px;
}
.nav a.active,.nav a:hover{background:#173155}
.main{padding:24px}
.header{
  display:flex; align-items:center; justify-content:space-between; margin-bottom:16px;
}
.header h2{
  margin:0; font-size:clamp(22px,2.5vw,28px);
  background:linear-gradient(90deg,var(--xio-azul),var(--xio-azul2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.card{
  background:#fff; border:1px solid var(--borde); border-radius:14px; padding:18px; margin-bottom:16px;
  box-shadow:0 8px 24px rgba(0,0,0,.05);
}
.grid{display:grid; gap:16px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:1fr 1fr 1fr}
@media (max-width:960px){ .app{grid-template-columns:1fr} .sidebar{position:relative;height:auto} .grid-2,.grid-3{grid-template-columns:1fr} }

.form-grid{display:grid; gap:12px}
.form-2{grid-template-columns:1fr 1fr}
.form-3{grid-template-columns:1fr 1fr 1fr}
.label{font-size:12px; font-weight:700; color:#0b1b2a; margin-bottom:6px}
.input,select,textarea{
  width:100%; border:1px solid var(--borde); border-radius:10px; padding:10px 12px; background:#fff;
  outline:none; transition:.2s border-color,.2s box-shadow;
}
.input:focus,select:focus,textarea:focus{border-color:var(--xio-azul); box-shadow:0 0 0 4px rgba(55,118,171,.12)}
.actions{display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:6px}
.btn{
  padding:10px 14px; border:none; border-radius:10px; font-weight:700; color:#0b1b2a;
  background:linear-gradient(180deg,var(--xio-amarillo),#f3c320); box-shadow:0 8px 18px rgba(255,212,59,.25);
}
.btn.sec{background:#173155;color:#e5e7eb}
.kpis{display:grid; gap:12px; grid-template-columns:repeat(4,1fr)}
.kpi{background:#0f1f35; color:#e5e7eb; border-radius:12px; padding:14px}
.kpi small{opacity:.7}
.table{width:100%; border-collapse:collapse; font-size:14px}
.table th,.table td{border-bottom:1px solid var(--borde); padding:10px 8px; text-align:left}
.badge{display:inline-block; padding:2px 8px; border-radius:999px; font-size:12px; background:#eef2ff}
.toast{
  position:fixed; left:50%; bottom:20px; transform:translateX(-50%) translateY(12px);
  background:#0ea5e9; color:#fff; padding:10px 14px; border-radius:10px; box-shadow:0 10px 20px rgba(14,165,233,.35);
  opacity:0; pointer-events:none; transition:.25s; z-index:9999;
}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0)}
.muted{color:var(--muted)}
.hr{height:1px; background:var(--borde); margin:12px 0}