:root {
    --fondo: #070d1f;
    --tarjeta: #0e1a36;
    --borde: #1f3363;
    --texto: #e6ecff;
    --tenue: #8b9ac4;
    --acento: #2f7bff;
    --acento2: #7b3cff;
    --verde: #22c55e;
    --naranja: #f59e0b;
    --rojo: #ef4444;
    --radio: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
    background: radial-gradient(1200px 500px at 20% -10%, #13306e 0%, transparent 60%), var(--fondo);
    color: var(--texto);
    font: 15px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
    min-height: 100vh;
}
a { color: #6aa5ff; }
h1 { font-size: 1.6rem; margin: .2rem 0 1rem; display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
h2 { font-size: 1.1rem; margin: 0 0 .8rem; }
h3 { font-size: 1rem; margin: .5rem 0; }
.mono { font-family: Consolas, "SFMono-Regular", Menlo, monospace; }
.tenue { color: var(--tenue); }

.barra {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .6rem;
    padding: .8rem 1.4rem; background: rgba(10, 20, 45, .85); border-bottom: 1px solid var(--borde);
    position: sticky; top: 0; z-index: 5; backdrop-filter: blur(6px);
}
.marca { font-weight: 700; font-size: 1.05rem; }
.marca span { color: var(--tenue); font-weight: 400; font-size: .85rem; margin-left: .3rem; }
.menu { display: flex; flex-wrap: wrap; gap: .3rem; }
.menu a { color: var(--texto); text-decoration: none; padding: .4rem .8rem; border-radius: 8px; }
.menu a:hover { background: #16264d; }
.menu a.activo { background: linear-gradient(90deg, var(--acento), #1d5fe0); }
.menu a.salir { color: #ff9b9b; }

.contenido { max-width: 1200px; margin: 0 auto; padding: 1.4rem; }
.contenido.estrecho { max-width: 760px; }
.pie { text-align: center; color: var(--tenue); font-size: .8rem; padding: 1.5rem; }

.tarjeta {
    background: linear-gradient(180deg, #102042, var(--tarjeta));
    border: 1px solid var(--borde); border-radius: var(--radio);
    padding: 1.1rem 1.2rem; margin-bottom: 1.1rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, .25);
}
details.tarjeta summary { cursor: pointer; }
details.tarjeta[open] summary { margin-bottom: 1rem; }
.zona-peligro { border-color: #5a2230; }

.cifras { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.1rem; }
.cifra { margin: 0; color: var(--tenue); }
.cifra span { display: block; font-size: 2rem; font-weight: 700; color: var(--texto); }

.dos-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1.1rem; }
.dos-col > .tarjeta { margin-bottom: 0; }
.dos-col + .tarjeta, .dos-col + * { margin-top: 1.1rem; }

.tabla-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid #1a2b55; vertical-align: top; }
th { color: var(--tenue); font-weight: 600; font-size: .85rem; white-space: nowrap; }
tr:hover td { background: rgba(47, 123, 255, .05); }
td.acciones { white-space: nowrap; }
td.acciones form { display: inline; }

.rejilla { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .9rem 1rem; }
.rejilla .completo { grid-column: 1 / -1; }
label { display: flex; flex-direction: column; gap: .3rem; font-size: .88rem; color: var(--tenue); }
input, select, textarea {
    background: #0a1430; color: var(--texto); border: 1px solid var(--borde); border-radius: 8px;
    padding: .55rem .7rem; font: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--acento); border-color: transparent; }

.btn {
    display: inline-block; background: #17284f; color: var(--texto); border: 1px solid var(--borde);
    border-radius: 8px; padding: .5rem .95rem; font: inherit; cursor: pointer; text-decoration: none;
}
.btn:hover { filter: brightness(1.2); }
.btn.primario { background: linear-gradient(90deg, var(--acento), var(--acento2)); border-color: transparent; }
.btn.peligro { background: #4a1420; border-color: #7a2335; color: #ffc9c9; }
.btn.chico { padding: .25rem .6rem; font-size: .85rem; }
.btn.ancho { width: 100%; }
.botonera { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: 1rem; }
.botonera form { display: inline-flex; gap: .5rem; }
.botonera select { width: auto; }
.en-linea { display: inline-flex; gap: .5rem; }

.filtros { display: flex; flex-wrap: wrap; gap: .6rem; }
.filtros select, .filtros input { width: auto; flex: 1 1 180px; }
.paginas { display: flex; gap: .3rem; margin-top: 1rem; flex-wrap: wrap; }

.etq { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }
.etq.verde { background: rgba(34, 197, 94, .15); color: #4ade80; }
.etq.naranja { background: rgba(245, 158, 11, .15); color: #fbbf24; }
.etq.rojo { background: rgba(239, 68, 68, .15); color: #f87171; }
.etq.gris { background: rgba(139, 154, 196, .15); color: var(--tenue); }

.aviso { padding: .7rem 1rem; border-radius: 10px; margin-bottom: 1rem; border: 1px solid; }
.aviso.ok { background: rgba(34, 197, 94, .1); border-color: rgba(34, 197, 94, .4); }
.aviso.error { background: rgba(239, 68, 68, .1); border-color: rgba(239, 68, 68, .4); }
.aviso.info { background: rgba(47, 123, 255, .1); border-color: rgba(47, 123, 255, .4); }

dl.datos { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 0; }
dl.datos dt { color: var(--tenue); }
dl.datos dd { margin: 0; word-break: break-all; }

pre { background: #081026; border: 1px solid var(--borde); border-radius: 8px; padding: .8rem; overflow-x: auto; font-size: .8rem; }
ul.requisitos { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.caja-login { max-width: 400px; margin: 3rem auto; }
.caja-login form { display: grid; gap: .9rem; }