:root {
  --bg: #0d0a2c;
  --panel: #17123f;
  --panel2: #1f1852;
  --borde: rgba(255, 255, 255, .12);
  --texto: #f5f3ff;
  --suave: #a5a3c9;
  --acento: #a855f7;
  --acento2: #ec4899;
  --ok: #22c55e;
  --error: #f43f5e;
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(ellipse at top, #1e1060, var(--bg) 60%) fixed; color: var(--texto); font-family: "Poppins", "Segoe UI", system-ui, sans-serif; font-size: 15px; }
a { color: inherit; }
[hidden] { display: none !important; }

.barra { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 1.5rem; background: rgba(0,0,0,.25); border-bottom: 1px solid var(--borde); position: sticky; top: 0; backdrop-filter: blur(8px); z-index: 5; }
.marca { font-family: "Baloo 2", system-ui, sans-serif; font-weight: 800; font-size: 1.4rem; text-decoration: none; }
.marca small { font-family: "Poppins", sans-serif; font-weight: 500; font-size: .8rem; color: var(--suave); margin-left: .4rem; }
.barra nav { display: flex; gap: 1rem; }
.barra nav a { text-decoration: none; color: var(--suave); font-weight: 600; }
.barra nav a:hover { color: #fff; }

.contenedor { max-width: 1200px; margin: 0 auto; padding: 1.5rem 16px 4rem; }
.titulo-fila { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
h1 { font-family: "Baloo 2", system-ui, sans-serif; font-size: 2rem; margin: 0; }
h1 small { font-family: "Poppins", sans-serif; font-size: .9rem; color: var(--suave); font-weight: 500; margin-left: .5rem; }
.acciones { display: flex; flex-wrap: wrap; gap: .6rem; }
.acciones form { margin: 0; }

.btn { display: inline-block; border: 1px solid var(--borde); background: var(--panel2); color: #fff; padding: .6rem 1.1rem; border-radius: 12px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; transition: .15s; }
.btn:hover { background: #2a2270; }
.btn-primario { background: linear-gradient(135deg, var(--acento), var(--acento2)); border-color: transparent; }
.btn-primario:hover { filter: brightness(1.1); background: linear-gradient(135deg, var(--acento), var(--acento2)); }
.btn-peligro { background: linear-gradient(135deg, #f43f5e, #be123c); border-color: transparent; }
.btn-peligro:hover { filter: brightness(1.1); background: linear-gradient(135deg, #f43f5e, #be123c); }
.btn-chico { padding: .35rem .8rem; font-size: .85rem; }

.aviso { padding: .8rem 1rem; border-radius: 12px; margin-bottom: 1rem; font-weight: 500; }
.aviso-ok { background: rgba(34, 197, 94, .15); border: 1px solid rgba(34, 197, 94, .5); }
.aviso-error { background: rgba(244, 63, 94, .15); border: 1px solid rgba(244, 63, 94, .5); }

.filtros { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.filtro { --c1: #a78bfa; padding: .4rem .9rem; border-radius: 99px; border: 1px solid var(--borde); background: var(--panel); text-decoration: none; font-weight: 600; font-size: .9rem; }
.filtro span { color: var(--suave); font-weight: 500; margin-left: .3rem; }
.filtro.activo { border-color: var(--c1); box-shadow: 0 0 0 2px color-mix(in srgb, var(--c1) 40%, transparent); }

.tabla-envoltura { overflow-x: auto; border-radius: 16px; border: 1px solid var(--borde); }
.tabla { width: 100%; border-collapse: collapse; background: var(--panel); }
.tabla th { text-align: left; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--suave); padding: .8rem; background: rgba(0,0,0,.2); }
.tabla td { padding: .7rem .8rem; border-top: 1px solid var(--borde); vertical-align: middle; }
.tabla tr:hover td { background: rgba(255,255,255,.03); }
.tabla td small { color: var(--suave); }
.tabla .num { font-family: "Baloo 2", sans-serif; font-weight: 800; font-size: 1.4rem; color: var(--c1); text-align: center; }
.tabla .texto { max-width: 520px; }
.tabla .resp { font-family: "Baloo 2", sans-serif; font-weight: 800; font-size: 1.3rem; color: var(--ok); text-align: center; }
.tabla form { margin: 0; }
.mini { height: 38px; max-width: 80px; object-fit: contain; background: #fff; border-radius: 6px; vertical-align: middle; margin-right: .5rem; float: left; }
.estado { border: 0; border-radius: 99px; padding: .3rem .8rem; font: inherit; font-size: .8rem; font-weight: 600; cursor: pointer; white-space: nowrap; }
.estado.libre { background: rgba(255,255,255,.08); color: var(--suave); }
.estado.usada { background: rgba(34, 197, 94, .2); color: #86efac; }

.tarjeta { background: var(--panel); border: 1px solid var(--borde); border-radius: 20px; padding: 1.5rem; }
.login { max-width: 380px; margin: 10vh auto 0; display: grid; gap: 1rem; }
.login h1 { text-align: center; }
.login p { margin: 0; color: var(--suave); text-align: center; }

.formulario { display: grid; gap: 1.2rem; }
label { display: grid; gap: .4rem; font-weight: 600; font-size: .9rem; }
label small { color: var(--suave); font-weight: 400; }
input[type=text], input[type=number], input[type=password], select, textarea {
  width: 100%; padding: .65rem .8rem; border-radius: 10px; border: 1px solid var(--borde);
  background: #0f0b30; color: #fff; font: inherit; font-weight: 400;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--acento); border-color: transparent; }
.fila-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: start; }
.fila-3 { display: grid; grid-template-columns: 140px 1fr 1fr; gap: 1rem; }
.ayuda { color: var(--suave); font-size: .85rem; margin: 0; align-self: center; }

.campo-imagen { display: grid; gap: .4rem; padding: .8rem; border: 1px dashed var(--borde); border-radius: 12px; }
.campo-imagen .etiqueta { font-weight: 600; font-size: .85rem; }
.campo-imagen img { max-height: 120px; max-width: 100%; background: #fff; border-radius: 8px; padding: 4px; }
.campo-imagen input[type=file] { font-size: .8rem; color: var(--suave); }
.check { display: flex; align-items: center; gap: .4rem; font-weight: 400; font-size: .85rem; }

.alternativas { display: grid; gap: .8rem; }
.alternativa { display: grid; grid-template-columns: auto 1fr 260px; gap: .8rem; align-items: start; }
.alternativa .campo-imagen { padding: .5rem; }
.radio-correcta { cursor: pointer; }
.radio-correcta input { position: absolute; opacity: 0; }
.radio-correcta span { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; font-family: "Baloo 2", sans-serif; font-weight: 800; font-size: 1.4rem; background: var(--panel2); border: 2px solid var(--borde); transition: .15s; }
.radio-correcta input:checked + span { background: var(--ok); border-color: #bbf7d0; box-shadow: 0 0 18px rgba(34, 197, 94, .6); }
.radio-correcta input:focus-visible + span { outline: 2px solid #fff; }

.acciones-form { display: flex; justify-content: flex-end; }
.eliminar { margin-top: 1.5rem; text-align: right; }

@media (max-width: 760px) {
  .fila-2, .fila-3 { grid-template-columns: 1fr; }
  .alternativa { grid-template-columns: auto 1fr; }
  .alternativa .campo-imagen { grid-column: 2; }
}