:root{
  /* Paleta corporativa El Fino: berenjena #16101e + azul #0099ff */
  --bg:#0c0912;
  --bg-2:#120d1b;
  --panel:#1a1426;
  --panel-2:#1f1830;
  --border:#33294a;
  --border-soft:#241c34;
  --text:#f2eef8;
  --muted:#a196b3;
  --muted-2:#6f6483;
  --accent:#0099ff;         /* azul El Fino */
  --accent-2:#47b4ff;
  --accent-3:#8f7bff;       /* morado de apoyo */
  --navy:#0e1c29;
  --warn:#f5a623;
  --bad:#ff6b6b;
  --good:#22c9a0;
  --radius:16px;
  --shadow:0 12px 34px -14px rgba(0,0,0,.7);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0,153,255,.12), transparent 60%),
    radial-gradient(1000px 500px at -10% 10%, rgba(143,123,255,.10), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:"Plus Jakarta Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.brand-title{font-family:"Unbounded","Plus Jakarta Sans",sans-serif}
#app{max-width:1400px;margin:0 auto;padding:22px 26px 60px}

/* Topbar */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.brand{display:flex;align-items:center;gap:14px}
.brand-logo{height:42px;width:auto;max-width:150px;object-fit:contain;display:block}
.brand-dot{width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-3));
  box-shadow:0 0 22px -2px rgba(0,153,255,.55)}
.brand-title{font-weight:700;font-size:18px;letter-spacing:-.3px}
.brand-sub{color:var(--muted);font-size:12px;font-weight:500;margin-top:1px}
.updated{color:var(--muted);font-size:12.5px;background:var(--panel);
  border:1px solid var(--border-soft);padding:8px 14px;border-radius:999px}

/* Filtros */
.filters{display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:16px 18px;margin-bottom:16px;box-shadow:var(--shadow)}
.filter-group{display:flex;flex-direction:column;gap:7px}
.filter-group.grow{flex:1;min-width:180px}
.filter-group label{font-size:11px;text-transform:uppercase;letter-spacing:.6px;
  color:var(--muted-2);font-weight:600}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{border:1px solid var(--border);background:var(--bg-2);color:var(--muted);
  padding:7px 12px;border-radius:999px;font-size:12.5px;font-weight:600;cursor:pointer;
  transition:.15s;display:flex;align-items:center;gap:7px}
.chip .dot{width:8px;height:8px;border-radius:50%}
.chip.active{color:var(--text);border-color:transparent}
.chip:hover{border-color:var(--accent-2)}
.segmented{display:inline-flex;background:var(--bg-2);border:1px solid var(--border);
  border-radius:10px;padding:3px}
.segmented button{background:none;border:none;color:var(--muted);font-weight:600;
  font-size:12.5px;padding:7px 13px;border-radius:7px;cursor:pointer;transition:.15s;font-family:inherit}
.segmented button.active{background:var(--accent);color:#04121f}
.segmented.sm button{padding:6px 11px;font-size:12px}
input[type=search],input[type=date]{background:var(--bg-2);border:1px solid var(--border);
  color:var(--text);border-radius:10px;padding:9px 12px;font-size:13px;font-family:inherit;outline:none}
input[type=search]{width:100%}
input:focus{border-color:var(--accent-2)}
.reset{align-self:flex-end;background:none;border:1px solid var(--border);color:var(--muted);
  border-radius:10px;padding:9px 14px;font-weight:600;cursor:pointer;font-family:inherit}
.reset:hover{color:var(--text);border-color:var(--bad)}

/* Tabs */
.tabs{display:flex;gap:6px;margin-bottom:18px;border-bottom:1px solid var(--border-soft);padding-bottom:2px}
.tabs button{background:none;border:none;color:var(--muted);font-weight:600;font-size:14px;
  padding:11px 18px;cursor:pointer;position:relative;font-family:inherit;transition:.15s}
.tabs button:hover{color:var(--text)}
.tabs button.active{color:var(--text)}
.tabs button.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-3px;height:3px;
  border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}

/* Pages */
.page{display:none;animation:fade .4s ease}
.page.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:16px}
.kpi{background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--border-soft);border-radius:var(--radius);padding:16px 16px 14px;
  box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.kpi .k-label{color:var(--muted);font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.kpi .k-value{font-size:24px;font-weight:800;letter-spacing:-.5px;margin-top:8px}
.kpi .k-sub{font-size:12px;color:var(--muted-2);margin-top:4px}
.kpi .k-delta{font-size:12px;font-weight:700;margin-top:6px;display:inline-flex;gap:3px;align-items:center}
.delta-up{color:var(--good)} .delta-down{color:var(--bad)}

/* Cards & grid */
.grid{display:grid;gap:16px;margin-bottom:16px}
.grid-2{grid-template-columns:1fr 1fr}
.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--border-soft);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:12px;flex-wrap:wrap}
.card-head h3{margin:0;font-size:15px;font-weight:700}
.hint{color:var(--muted-2);font-size:12px}
.inline-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.inline-controls label{color:var(--muted-2);font-size:11px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.chart{width:100%;height:300px}
.chart.tall{height:460px}

/* Destacados */
.destacado{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--border-soft)}
.destacado:last-child{border:none}
.destacado .d-left{display:flex;align-items:center;gap:11px}
.d-badge{font-size:11px;font-weight:700;padding:4px 9px;border-radius:7px}
.d-badge.best{background:rgba(52,211,153,.15);color:var(--good)}
.d-badge.worst{background:rgba(248,113,113,.15);color:var(--bad)}
.d-name{font-weight:600}
.d-meta{color:var(--muted);font-size:12px;margin-top:2px}
.d-val{font-weight:800;font-size:15px}

/* Tabla */
.table-actions{display:flex;align-items:center;gap:14px}
.btn-ghost,.btn-primary{font-family:inherit;font-weight:600;font-size:12.5px;padding:8px 14px;border-radius:9px;cursor:pointer;border:1px solid var(--border)}
.btn-ghost{background:var(--bg-2);color:var(--muted)}
.btn-ghost:hover{color:var(--text);border-color:var(--accent-2)}
.table-wrap{overflow:auto;max-height:65vh;border-radius:10px;border:1px solid var(--border-soft)}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{position:sticky;top:0;background:var(--bg-2);text-align:right;padding:11px 12px;
  font-weight:600;color:var(--muted);white-space:nowrap;cursor:pointer;user-select:none;border-bottom:1px solid var(--border)}
thead th:first-child,thead th.txt{text-align:left}
thead th:hover{color:var(--text)}
thead th.sorted::after{content:" ▾";color:var(--accent)}
thead th.sorted.asc::after{content:" ▴"}
tbody td{padding:9px 11px;text-align:right;border-bottom:1px solid var(--border-soft);white-space:nowrap}
/* Truncar Unidad (col 1) y Curso (col 2) para que quepan las métricas */
#tabla-cursos td:nth-child(1),#tabla-cursos th:nth-child(1){max-width:160px;overflow:hidden;text-overflow:ellipsis}
#tabla-cursos td:nth-child(2),#tabla-cursos th:nth-child(2){max-width:300px;overflow:hidden;text-overflow:ellipsis}
tbody td.txt{text-align:left}
tbody tr:hover{background:rgba(96,165,250,.05)}
.pill{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;display:inline-block}
.pill.act{background:rgba(52,211,153,.15);color:var(--good)}
.pill.fin{background:rgba(133,147,168,.15);color:var(--muted)}
.bar-cell{position:relative}
.bar-cell .bar{position:absolute;left:0;top:0;bottom:0;background:rgba(96,165,250,.14);border-radius:4px}
.bar-cell span{position:relative}
.u-tag{font-size:11px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.u-tag .dot{width:8px;height:8px;border-radius:50%}

/* Footer */
.foot{display:flex;justify-content:space-between;color:var(--muted-2);font-size:12px;margin-top:22px}

/* Loading */
.loading{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:var(--bg);color:var(--muted);font-size:15px;z-index:50;transition:opacity .4s}
.loading.hidden{opacity:0;pointer-events:none}

/* Responsive */
@media(max-width:1050px){
  .kpis{grid-template-columns:repeat(3,1fr)}
  .grid-2{grid-template-columns:1fr}
}
@media(max-width:620px){
  #app{padding:16px 14px 40px}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .filters{gap:12px}
}