* { box-sizing: border-box; }
body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0; background: #eef2f7; color: #1f2d3d;
}
h1 { font-size: 22px; margin: 0 0 6px; }
h3 { margin: 0 0 10px; color: #1F3864; }
.sub { color: #6b7a90; margin: 0 0 20px; }

.centrado { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.caja {
    background: #fff; border: 1px solid #dbe3ec; border-radius: 10px;
    padding: 22px; margin: 18px auto; max-width: 980px;
}
.login { width: 360px; }
.login h1 { color: #0064FF; text-align: center; }
.login .sub { text-align: center; }

label { display: block; font-size: 13px; font-weight: bold; margin: 12px 0 4px; }
input[type=text], input[type=password], select {
    width: 100%; padding: 10px; border: 1px solid #c7d2e0; border-radius: 6px; font-size: 14px;
}
.btn {
    background: #0064FF; color: #fff; border: 0; border-radius: 6px;
    padding: 10px 16px; font-size: 14px; cursor: pointer; text-decoration: none; display: inline-block;
}
.btn:hover { background: #0052cc; }
.btn.ancho { width: 100%; margin-top: 18px; }
.btn.chico { padding: 6px 10px; font-size: 12px; }
.btn.rojo { background: #d9534f; } .btn.rojo:hover { background: #c9302c; }
.btn.verde { background: #2e9e5b; } .btn.verde:hover { background: #268049; }

.alerta { background: #fff6e0; border: 1px solid #f0d488; padding: 10px 12px; border-radius: 6px; margin: 10px 0; font-size: 14px; }
.alerta.error { background: #fdecec; border-color: #f0a6a6; }
.alerta.ok { background: #e7f6ec; border-color: #9bd6b0; }

.barra {
    background: #1F3864; color: #fff; display: flex; justify-content: space-between;
    align-items: center; padding: 12px 20px;
}
.barra .marca { font-weight: bold; font-size: 18px; letter-spacing: .5px; }
.barra nav a { color: #dbe7ff; margin-left: 16px; text-decoration: none; font-size: 14px; }
.barra nav a:hover { color: #fff; text-decoration: underline; }
.barra .hola { color: #b9c8e6; font-size: 14px; margin-right: 6px; }

.contenido { max-width: 980px; margin: 24px auto; padding: 0 16px; }

.tarjetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 16px; }
.tarjeta { background: #fff; border: 1px solid #dbe3ec; border-radius: 10px; padding: 18px; }
.tarjeta.enlace { text-decoration: none; color: inherit; display: block; }
.tarjeta.enlace:hover { border-color: #0064FF; }
.pill { display: inline-block; background: #eef2f7; color: #6b7a90; font-size: 12px; padding: 3px 10px; border-radius: 20px; margin-top: 8px; }
.pill.activo { background: #e7f6ec; color: #2e9e5b; }

.fila { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; align-items: end; }
.alfinal { display: flex; align-items: flex-end; }
.nota { color: #8a97a8; font-size: 12px; margin-top: 8px; }

.tabla { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
.tabla th, .tabla td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #e6ecf3; }
.tabla th { color: #1F3864; font-size: 13px; }
.tabla tr.inactivo { opacity: .55; }
.acciones { display: flex; gap: 6px; flex-wrap: wrap; }
.acciones form { margin: 0; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 12px; }
.badge.on { background: #e7f6ec; color: #2e9e5b; }
.badge.off { background: #fdecec; color: #d9534f; }