:root {
  --fondo: #0e0d0c;
  --fondo-2: #161412;
  --tarjeta: #1d1a17;
  --tarjeta-2: #252119;
  --borde: #2f2a22;
  --texto: #f3eee6;
  --suave: #a9a092;
  --tenue: #6f675b;
  --oro: #d4ab62;
  --oro-2: #e9c98a;
  --ok: #5fc48a;
  --alerta: #e8b04a;
  --error: #e0645a;
  --info: #5aa6e0;
  --radio: 14px;
  --sombra: 0 10px 30px rgba(0, 0, 0, .35);
  --titulo: 'Oswald', 'Arial Narrow', sans-serif;
  --cuerpo: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--fondo); color: var(--texto); font: 15px/1.5 var(--cuerpo); }
a { color: var(--oro); text-decoration: none; }
img { max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--titulo); font-weight: 600; letter-spacing: .02em; margin: 0 0 .4em; line-height: 1.15; }
h1 { font-size: clamp(34px, 6vw, 64px); text-transform: uppercase; }
h2 { font-size: clamp(26px, 3.6vw, 38px); text-transform: uppercase; }
h3 { font-size: 20px; }
p { margin: 0 0 1em; }
.suave { color: var(--suave); }
.tenue { color: var(--tenue); }
.oro { color: var(--oro); }
.ok { color: var(--ok); }
.error-t { color: var(--error); }
.num { font-variant-numeric: tabular-nums; }
.centro { text-align: center; }
.derecha { text-align: right; }
.fila-flex { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.entre { justify-content: space-between; }
.oculto { display: none !important; }
.contenedor { width: min(1180px, 100% - 32px); margin-inline: auto; }

/* botones */
.btn { appearance: none; border: 1px solid var(--borde); background: var(--tarjeta-2); color: var(--texto); font: 600 14px var(--cuerpo);
  padding: 10px 16px; border-radius: 10px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: .15s; white-space: nowrap; }
.btn:hover { border-color: var(--oro); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-oro { background: linear-gradient(180deg, var(--oro-2), var(--oro)); color: #1a1408; border-color: transparent; }
.btn-oro:hover { filter: brightness(1.06); border-color: transparent; }
.btn-ok { background: var(--ok); color: #08210f; border-color: transparent; }
.btn-peligro { color: var(--error); }
.btn-chico { padding: 6px 10px; font-size: 13px; border-radius: 8px; }
.btn-grande { padding: 15px 24px; font-size: 16px; border-radius: 12px; }
.btn-bloque { width: 100%; }
.btn-fantasma { background: transparent; }

/* formularios */
label { display: block; font-size: 13px; color: var(--suave); margin: 0 0 6px; font-weight: 500; }
.campo { margin-bottom: 14px; }
input, select, textarea { width: 100%; background: var(--fondo-2); border: 1px solid var(--borde); color: var(--texto); border-radius: 10px;
  padding: 11px 12px; font: 15px var(--cuerpo); outline: none; transition: border-color .15s; }
input:focus, select:focus, textarea:focus { border-color: var(--oro); }
input[type=checkbox] { width: auto; }
.rejilla-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rejilla-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 560px) { .rejilla-2, .rejilla-3 { grid-template-columns: 1fr; } }

/* tarjetas */
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 20px; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 99px;
  background: var(--tarjeta-2); border: 1px solid var(--borde); color: var(--suave); white-space: nowrap; }
.chip.ok { color: var(--ok); border-color: rgba(95,196,138,.35); background: rgba(95,196,138,.1); }
.chip.oro { color: var(--oro); border-color: rgba(212,171,98,.4); background: rgba(212,171,98,.1); }
.chip.alerta { color: var(--alerta); border-color: rgba(232,176,74,.35); background: rgba(232,176,74,.1); }
.chip.error { color: var(--error); border-color: rgba(224,100,90,.35); background: rgba(224,100,90,.1); }
.chip.info { color: var(--info); border-color: rgba(90,166,224,.35); background: rgba(90,166,224,.1); }
.punto { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }
.avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font: 600 16px var(--titulo); color: #111; flex: none; }

/* tarjeta de crédito */
.tc { background: linear-gradient(135deg, #2b2418, #14110c); border: 1px solid #3d3322; border-radius: 16px; padding: 18px; position: relative; }
.tc-marca { position: absolute; top: 16px; right: 18px; font: 700 15px var(--titulo); letter-spacing: .08em; color: var(--oro-2); }
.tc input { background: rgba(0,0,0,.35); }
.tc-nota { font-size: 12px; color: var(--tenue); margin-top: 10px; display: flex; gap: 6px; align-items: flex-start; }
.seguro { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--suave); }

/* aviso flotante */
#avisos { position: fixed; z-index: 999; left: 50%; bottom: 22px; transform: translateX(-50%); display: grid; gap: 8px; width: min(420px, 100% - 32px); }
.aviso { background: var(--tarjeta-2); border: 1px solid var(--borde); border-left: 4px solid var(--oro); padding: 12px 16px; border-radius: 10px;
  box-shadow: var(--sombra); animation: sube .25s ease; }
.aviso.error { border-left-color: var(--error); }
.aviso.ok { border-left-color: var(--ok); }
@keyframes sube { from { transform: translateY(10px); opacity: 0; } }

/* modal */
.modal-fondo { position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 500; display: grid; place-items: center; padding: 16px; overflow-y: auto; }
.modal { background: var(--fondo-2); border: 1px solid var(--borde); border-radius: 18px; width: min(560px, 100%); max-height: calc(100dvh - 32px); overflow-y: auto;
  box-shadow: var(--sombra); }
.modal-cab { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--borde);
  position: sticky; top: 0; background: var(--fondo-2); z-index: 2; }
.modal-cab h3 { margin: 0; }
.modal-cuerpo { padding: 20px; }
.cerrar { background: none; border: 0; color: var(--suave); font-size: 26px; cursor: pointer; line-height: 1; }

/* tablas */
.tabla-env { overflow-x: auto; border: 1px solid var(--borde); border-radius: var(--radio); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--tenue); font-weight: 600; background: var(--fondo-2); }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--borde); white-space: nowrap; }
tbody tr:hover { background: rgba(255,255,255,.02); }
tfoot td { font-weight: 700; background: var(--fondo-2); }

.spinner { width: 22px; height: 22px; border: 3px solid var(--borde); border-top-color: var(--oro); border-radius: 50%; animation: gira .8s linear infinite; display: inline-block; }
@keyframes gira { to { transform: rotate(360deg); } }
.vacio { padding: 30px; text-align: center; color: var(--tenue); }