:root{
  --primario:#1d4ed8; --primario-osc:#1e3a8a; --fondo:#f4f6fb; --superficie:#fff;
  --texto:#1f2937; --suave:#6b7280; --borde:#e5e7eb; --ok:#047857; --ok-bg:#ecfdf5;
  --error:#b91c1c; --error-bg:#fef2f2; --radio:10px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--fondo);color:var(--texto);font-size:15px;line-height:1.45}
a{color:var(--primario)}
h1{font-size:1.45rem;margin:0 0 .2rem}
h2{font-size:1.1rem;margin:0 0 .8rem}

/* Barra superior */
.barra{background:var(--primario-osc);color:#fff}
.barra-in{max-width:1200px;margin:auto;display:flex;align-items:center;gap:1rem;padding:.6rem 16px;flex-wrap:wrap}
.marca{color:#fff;text-decoration:none;font-weight:700;display:flex;align-items:center;gap:.5rem}
.logo{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#fbbf24;color:#1e3a8a;font-weight:800;font-size:.85rem}
.logo.grande{width:56px;height:56px;font-size:1.3rem;border-radius:14px;margin:0 auto .6rem}
.menu{display:flex;gap:.25rem;flex:1}
.menu a{color:#dbe4ff;text-decoration:none;padding:.4rem .7rem;border-radius:6px}
.menu a.activo,.menu a:hover{background:rgba(255,255,255,.14);color:#fff}
.cuenta{display:flex;align-items:center;gap:.8rem}
.cuenta a{color:#fff;text-decoration:none}
.cuenta form{margin:0}
.cuenta .btn-link{color:#fecaca}

.contenido{max-width:1200px;margin:1.4rem auto;padding:0 16px}
.pie{text-align:center;color:var(--suave);font-size:.8rem;padding:2rem 16px}
.encabezado{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}
.ayuda{color:var(--suave);margin:.2rem 0 .6rem;font-size:.9rem}
small.ayuda{display:block;margin:.25rem 0 0;font-size:.8rem;font-weight:400}

/* Botones */
.btn{display:inline-block;background:var(--primario);color:#fff;border:0;border-radius:8px;padding:.6rem 1.1rem;font-size:.95rem;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{background:var(--primario-osc)}
.btn-sec{background:#fff;color:var(--primario);border:1px solid #c7d2fe}
.btn-sec:hover{background:#eef2ff}
.btn-peligro{background:var(--error)}
.btn-peligro:hover{background:#7f1d1d}
.btn-ancho{width:100%}
.btn-link{background:none;border:0;padding:0;color:var(--primario);cursor:pointer;font-size:.9rem;text-decoration:underline}

/* Avisos */
.aviso{padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;border:1px solid}
.aviso-ok{background:var(--ok-bg);color:var(--ok);border-color:#a7f3d0}
.aviso-error{background:var(--error-bg);color:var(--error);border-color:#fecaca}

/* Formularios */
.form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.9rem}
.form input,.form select,.filtros input,.filtros select{display:block;width:100%;margin-top:.3rem;padding:.6rem .7rem;border:1px solid #d1d5db;border-radius:8px;font:inherit;background:#fff}
.form input:focus,.filtros input:focus,.form select:focus{outline:2px solid #93c5fd;border-color:var(--primario)}
.form input.invalido{border-color:var(--error);background:var(--error-bg)}
small.error{display:block;color:var(--error);font-weight:500;margin-top:.25rem}
.req{color:var(--error)}
.tarjeta-form{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:1.3rem}
.rejilla{display:grid;grid-template-columns:repeat(2,1fr);gap:0 1.2rem}
.col-2{grid-column:span 2}
.check{display:flex!important;gap:.7rem;align-items:flex-start;font-weight:400!important;background:#f8fafc;border:1px solid var(--borde);padding:.8rem;border-radius:8px;font-size:.85rem!important}
.check input{width:20px!important;height:20px;margin:.1rem 0 0!important;flex:none}
.check.invalido{border-color:var(--error);background:var(--error-bg)}
.botones{display:flex;gap:.6rem;margin-top:1rem}
.caja-login{max-width:380px;margin:3rem auto;background:var(--superficie);border:1px solid var(--borde);border-radius:14px;padding:2rem;text-align:center;box-shadow:0 10px 30px rgba(30,58,138,.08)}
.caja-login .form{text-align:left;margin-top:1rem}
.zona-peligro{margin-top:1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem;border:1px dashed #fca5a5;border-radius:var(--radio);color:var(--suave);flex-wrap:wrap}

/* Tarjetas de resumen */
.tarjetas{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-bottom:1rem}
.tarjeta{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:.9rem 1rem}
.tarjeta span{display:block;color:var(--suave);font-size:.82rem}
.tarjeta b{font-size:1.7rem;color:var(--primario-osc)}
.panel{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:.8rem 1rem;margin-bottom:1rem}
.panel summary{cursor:pointer;font-weight:600}
.ranking{list-style:none;padding:0;margin:.8rem 0 0}
.ranking li{display:grid;grid-template-columns:minmax(120px,220px) 1fr 40px;align-items:center;gap:.8rem;padding:.25rem 0}
.barra-prog{background:#eef2ff;border-radius:99px;height:10px;overflow:hidden}
.barra-prog i{display:block;height:100%;background:var(--primario);border-radius:99px}
.ranking b{text-align:right}

/* Filtros y tabla */
.filtros{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;margin-bottom:.4rem}
.filtros input{flex:1 1 260px;margin:0;width:auto}
.filtros select{width:auto;margin:0}
.derecha{margin-left:auto}
.tabla-wrap{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);overflow-x:auto}
.tabla{width:100%;border-collapse:collapse;font-size:.9rem}
.tabla th{text-align:left;background:#f8fafc;color:var(--suave);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;padding:.65rem .8rem;border-bottom:1px solid var(--borde);white-space:nowrap}
.tabla td{padding:.65rem .8rem;border-bottom:1px solid var(--borde);vertical-align:top}
.tabla tr:last-child td{border-bottom:0}
.tabla tr:hover td{background:#fafbff}
.tabla tr.inactivo td{opacity:.55}
.acciones{white-space:nowrap}
.acciones form{display:inline;margin-right:.6rem}
.wa{font-size:.7rem;font-weight:700;background:#dcfce7;color:#166534;padding:.05rem .35rem;border-radius:4px;text-decoration:none;margin-left:.3rem}
.rol{font-size:.72rem;font-weight:600;padding:.1rem .45rem;border-radius:99px;background:#e5e7eb;color:#374151;margin-left:.3rem}
.rol-admin{background:#fef3c7;color:#92400e}
.rol-persona{background:#dbeafe;color:#1e40af}
.mini{display:inline-block}
.mini summary{list-style:none;display:inline}
.en-linea{display:flex!important;gap:.3rem;margin-top:.4rem}
.en-linea input{padding:.35rem .5rem;border:1px solid #d1d5db;border-radius:6px;width:150px}
.en-linea .btn{padding:.35rem .7rem}
.paginacion{display:flex;justify-content:center;gap:1.2rem;margin:1rem 0;align-items:center}
.vacio{text-align:center;padding:2.5rem 1rem;background:var(--superficie);border:1px dashed #cbd5e1;border-radius:var(--radio);color:var(--suave)}
.dos-col{display:grid;grid-template-columns:320px 1fr;gap:1.2rem;align-items:start}

/* Celular */
@media (max-width:760px){
  .rejilla,.dos-col{grid-template-columns:1fr}
  .col-2{grid-column:auto}
  .tarjetas{grid-template-columns:repeat(3,1fr);gap:.5rem}
  .tarjeta{padding:.6rem}
  .tarjeta b{font-size:1.3rem}
  .menu{order:3;flex-basis:100%}
  .cuenta{margin-left:auto}
  .derecha{margin-left:0}
  .tabla thead{display:none}
  .tabla,.tabla tbody,.tabla tr,.tabla td{display:block;width:100%}
  .tabla tr{border-bottom:1px solid var(--borde);padding:.5rem 0}
  .tabla td{border:0;padding:.2rem .9rem;display:flex;gap:.6rem}
  .tabla td[data-t]::before{content:attr(data-t);color:var(--suave);font-size:.78rem;min-width:95px}
  .caja-login{margin:1.5rem auto;padding:1.4rem}
}