:root{--fondo:#f5f5f7;--texto:#1d1d1f;--suave:#6e6e73;--rojo:#e03a2f;--amarillo:#f5b800;--azul:#1f4fd8;--acento:#ff6a00;--boton:#1d1d1f;--botont:#fff}
@media(prefers-color-scheme:dark){:root{--fondo:#000;--texto:#f5f5f7;--suave:#a1a1a6;--boton:#f5f5f7;--botont:#1d1d1f}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{background:var(--fondo)}
html,body{margin:0;height:100%;color:var(--texto);font:16px/1.4 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,sans-serif;overflow:hidden}
a-scene{position:fixed;inset:0;z-index:0}
.pantalla{position:fixed;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:28px;text-align:center;background:var(--fondo)}
.pantalla h1{font-size:clamp(30px,7vw,46px);letter-spacing:-.02em;margin:0}
.pantalla p{margin:0;color:var(--suave);max-width:36ch}
.bauhaus{position:relative;width:132px;height:84px;margin-bottom:6px}
.bauhaus i{position:absolute;display:block}
.bauhaus .c{width:64px;height:64px;border-radius:50%;background:var(--rojo);left:0;top:10px}
.bauhaus .q{width:56px;height:56px;background:var(--azul);left:40px;top:0}
.bauhaus .t{width:0;height:0;border-left:34px solid transparent;border-right:34px solid transparent;border-bottom:60px solid var(--amarillo);left:70px;top:24px}
.btn{appearance:none;border:0;border-radius:980px;padding:14px 28px;font:600 17px -apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;background:var(--boton);color:var(--botont);cursor:pointer;text-decoration:none;display:inline-block}
.btn:disabled{opacity:.5}
.error{color:var(--rojo);font-weight:600;max-width:40ch}
/* Sobre la cámara: siempre oscuro con texto claro (contraste garantizado) */
.vidrio{background:rgba(0,0,0,.66);color:#fff;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.capa{position:fixed;inset:0;z-index:10;display:none;touch-action:none;user-select:none;-webkit-user-select:none}
.capa.on{display:block}
.hud{position:absolute;left:50%;transform:translateX(-50%);top:max(14px,env(safe-area-inset-top));display:flex;gap:10px;pointer-events:none}
.hud div{padding:8px 16px;border-radius:14px;font:700 26px/1 "Courier New",ui-monospace,monospace;letter-spacing:.08em;min-width:74px;text-align:center;border:2px solid var(--acento);color:#fff;background:rgba(0,0,0,.7);text-shadow:0 0 8px var(--acento)}
.hud small{display:block;font:600 10px/1.2 -apple-system,Arial,sans-serif;letter-spacing:.12em;opacity:.8;text-shadow:none;margin-bottom:2px}
.aviso{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:12px 22px;border-radius:14px;border:2px solid var(--acento);font:700 22px "Courier New",ui-monospace,monospace;text-shadow:0 0 8px var(--acento);text-align:center;display:none}
.redes{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:12px;z-index:12}
.redes a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;background:radial-gradient(circle at 35% 30%,#4aa3ff,#1746c9);box-shadow:0 0 12px 2px rgba(60,140,255,.7)}
.redes svg{width:20px;height:20px}
.final{position:fixed;inset:0;z-index:40;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(0,0,0,.72)}
.final.on{display:flex}
.final .tarjeta{max-width:380px;width:100%;border-radius:24px;padding:26px 22px;text-align:center;display:flex;flex-direction:column;gap:12px;align-items:center}
.final h2{margin:0;font-size:28px;letter-spacing:-.01em}
.final .num{font:800 64px/1 "Courier New",ui-monospace,monospace;color:#fff;text-shadow:0 0 14px var(--acento)}
.final .btn{background:#fff;color:#111;width:100%}
.final .btn.cta{background:var(--acento);color:var(--ctat,#111)}
.final .fila{display:flex;gap:12px;justify-content:center}
.final .redes{position:static;transform:none;flex-direction:row}