:root {
  --cafe: #a2724c;
  --cafe-oscuro: #4a3020;
  --beige: #e8dccb;
  --crema: #faf6f0;
  --linea: #e6ddd1;
  --texto: #2d2118;
  --tenue: #7d6a5b;
  --ok: #2f7d4f;
  --ok-fondo: #e5f3ea;
  --mal: #b3372f;
  --mal-fondo: #fbe9e7;
  --alerta: #9a6b00;
  --alerta-fondo: #fdf3dc;
  --radio: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  background: var(--crema);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100vh; background: var(--crema); }
a { color: var(--cafe-oscuro); }
h1 { font-size: 1.4rem; margin: 0 0 1rem; font-weight: 600; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .75rem; }

.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: .75rem 1rem; background: #fff; border-bottom: 1px solid var(--linea); position: sticky; top: 0; z-index: 5; }
.marca { font-weight: 600; letter-spacing: .2em; color: var(--cafe); text-decoration: none; }
.marca span { letter-spacing: .05em; font-weight: 400; color: var(--tenue); font-size: .85rem; }
.nav nav { display: flex; gap: .25rem; align-items: center; flex-wrap: wrap; }
.nav nav a, .link { padding: .45rem .7rem; border-radius: 8px; text-decoration: none; color: var(--tenue);
  background: none; border: 0; font: inherit; cursor: pointer; }
.nav nav a.activo { background: var(--crema); color: var(--cafe-oscuro); font-weight: 600; }
.nav nav form { margin: 0; }

.contenedor { max-width: 1200px; margin: 0 auto; padding: 1.25rem 1rem 4rem; }
.centrado { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }

.tarjeta { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.25rem; }
.login { width: 100%; max-width: 360px; display: grid; gap: 1rem; text-align: center; }
.logo { font-size: 2rem; letter-spacing: .25em; color: var(--cafe); }
.sub { margin: -.75rem 0 0; color: var(--tenue); font-size: .9rem; }

label { display: grid; gap: .3rem; font-size: .85rem; color: var(--tenue); text-align: left; }
input, select, textarea { font: inherit; color: var(--texto); padding: .6rem .7rem; border: 1px solid var(--linea);
  border-radius: 8px; background: #fff; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--cafe); outline-offset: -1px; }
textarea { min-height: 70px; resize: vertical; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; padding: .55rem .9rem;
  border-radius: 8px; border: 1px solid var(--linea); background: #fff; color: var(--cafe-oscuro); font: inherit;
  font-size: .9rem; text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--cafe); }
.btn.primario { background: var(--cafe); border-color: var(--cafe); color: #fff; }
.btn.primario:hover { background: var(--cafe-oscuro); }
.btn.peligro { color: var(--mal); }
.btn.chico { padding: .3rem .55rem; font-size: .8rem; }
.btn.ancho { width: 100%; }
.btn[disabled] { opacity: .5; cursor: default; }

.error { color: var(--mal); margin: 0; }
.mensaje { padding: .7rem 1rem; border-radius: 8px; background: var(--ok-fondo); color: var(--ok); margin-bottom: 1rem; }
.mensaje.mal { background: var(--mal-fondo); color: var(--mal); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; margin-bottom: 1.25rem; }
.stat { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: .8rem 1rem; }
.stat b { display: block; font-size: 1.5rem; color: var(--cafe-oscuro); font-variant-numeric: tabular-nums; }
.stat span { color: var(--tenue); font-size: .8rem; }

.barra { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.barra input[type=search] { flex: 1 1 220px; width: auto; }
.barra select { width: auto; }
.barra .acciones { margin-left: auto; display: flex; gap: .5rem; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden; }
th, td { padding: .6rem .75rem; text-align: left; border-bottom: 1px solid var(--linea); vertical-align: middle; font-size: .9rem; }
th { background: #fcfaf7; color: var(--tenue); font-weight: 500; font-size: .8rem; }
td.num, th.num { text-align: center; font-variant-numeric: tabular-nums; }
td .obs { display: block; color: var(--tenue); font-size: .8rem; }
td .acciones { display: flex; gap: .3rem; flex-wrap: wrap; justify-content: flex-end; }
tr.inactivo td { color: var(--tenue); }

.chip { display: inline-block; padding: .12rem .5rem; border-radius: 99px; font-size: .72rem; background: var(--crema);
  color: var(--tenue); border: 1px solid var(--linea); white-space: nowrap; }
.chip.ok { background: var(--ok-fondo); color: var(--ok); border-color: transparent; }
.chip.mal { background: var(--mal-fondo); color: var(--mal); border-color: transparent; }
.chip.cat { background: var(--beige); color: var(--cafe-oscuro); border-color: transparent; }

@media (max-width: 760px) {
  table, thead, tbody, tr, td { display: block; }
  thead { display: none; }
  table { border: 0; background: none; }
  tr { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); margin-bottom: .6rem; padding: .4rem 0; }
  td { border: 0; padding: .3rem .9rem; }
  td.num { text-align: left; display: inline-block; }
  td[data-l]::before { content: attr(data-l) " "; color: var(--tenue); font-size: .75rem; }
  td .acciones { justify-content: flex-start; }
}

.editor { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 1.5rem; align-items: start; }
.editor form { display: grid; gap: .9rem; }
.fila { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: .75rem; }
.ayuda { font-size: .78rem; color: var(--tenue); margin: 0; }
.vista img { width: 100%; height: auto; border-radius: var(--radio); border: 1px solid var(--linea); display: block; background: #fff; }
.vista .acciones { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .75rem; }
@media (max-width: 900px) { .editor { grid-template-columns: 1fr; } }

.aviso { position: fixed; left: 50%; bottom: 1.25rem; transform: translateX(-50%) translateY(150%); background: var(--cafe-oscuro);
  color: #fff; padding: .7rem 1.1rem; border-radius: 99px; font-size: .9rem; transition: transform .2s, opacity .2s; z-index: 50; max-width: calc(100% - 2rem); opacity: 0; visibility: hidden; }
.aviso.visible { transform: translateX(-50%) translateY(0); opacity: 1; visibility: visible; }

/* Escáner */
.scanner { max-width: 520px; margin: 0 auto; padding: 1rem; display: grid; gap: 1rem; }
.dias { display: grid; grid-template-columns: 1fr 1fr; background: #fff; border: 1px solid var(--linea); border-radius: 99px; padding: 4px; }
.dias button { border: 0; background: none; padding: .6rem; border-radius: 99px; font: inherit; color: var(--tenue); cursor: pointer; }
.dias button.activo { background: var(--cafe); color: #fff; font-weight: 600; }
.camara { position: relative; aspect-ratio: 1; background: #1d1611; border-radius: var(--radio); overflow: hidden; }
.camara video { width: 100%; height: 100%; object-fit: cover; }
.camara .estado-camara { position: absolute; inset: 0; display: grid; place-items: center; color: #d9c9b6; text-align: center; padding: 1rem; }
.resultado { border-radius: var(--radio); padding: 1.1rem; border: 2px solid transparent; display: grid; gap: .5rem; }
.resultado[hidden] { display: none; }
.resultado.valido { background: var(--ok-fondo); border-color: var(--ok); }
.resultado.registrado { background: var(--ok); color: #fff; }
.resultado.alerta { background: var(--alerta-fondo); border-color: var(--alerta); }
.resultado.mal { background: var(--mal-fondo); border-color: var(--mal); }
.resultado .titulo { font-weight: 700; font-size: 1.1rem; }
.resultado .nombre { font-size: 1.35rem; font-weight: 600; }
.resultado .personas { font-size: 1.6rem; font-weight: 700; }
.resultado .botones { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .25rem; }
.resultado .btn { padding: .8rem; font-size: 1rem; }
.busqueda ul { list-style: none; margin: .5rem 0 0; padding: 0; display: grid; gap: .4rem; }
.busqueda li button { width: 100%; text-align: left; background: #fff; border: 1px solid var(--linea); border-radius: 8px; padding: .6rem .8rem; font: inherit; cursor: pointer; }

/* Página pública */
.publica { background: #fff; }
.publica main { max-width: 560px; margin: 0 auto; padding: 0 0 6rem; }
.publica img { width: 100%; height: auto; display: block; }
.publica .descargar { position: fixed; left: 50%; bottom: 1rem; transform: translateX(-50%); width: min(520px, calc(100% - 2rem));
  box-shadow: 0 6px 20px rgba(74, 48, 32, .25); padding: .9rem; font-size: 1rem; }