:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--fondo:#14161c;--panel:#1d2029;--linea:#2e3240;--texto:#eef0f4;--suave:#a3a9b8;--acento:#ff5a4e;--error:#ff8a80;background:var(--fondo);color:var(--texto);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:17px;line-height:1.45}*{box-sizing:border-box}body{min-height:100dvh;margin:0}h1{margin:0 0 .5rem;font-size:1.6rem}h2{margin:0 0 .5rem;font-size:1.15rem}p{margin:0 0 .75rem}.pantalla{max-width:480px;padding:max(1.25rem, env(safe-area-inset-top)) 1.25rem max(1.25rem, env(safe-area-inset-bottom));margin:0 auto}.centrada{flex-direction:column;justify-content:center;min-height:100dvh;display:flex}.marca{letter-spacing:-.02em;text-align:center;color:var(--acento);margin-bottom:1.5rem;font-size:2.4rem}.cabecera{justify-content:space-between;align-items:baseline;margin-bottom:1rem;display:flex}.tarjeta{background:var(--panel);border:1px solid var(--linea);border-radius:16px;gap:1rem;padding:1.25rem;display:grid}label,fieldset{gap:.35rem;font-size:.95rem;font-weight:600;display:grid}fieldset{border:0;margin:0;padding:0}legend{margin-bottom:.35rem;padding:0}input:not([type=radio]){font:inherit;border:1px solid var(--linea);background:var(--fondo);color:var(--texto);border-radius:10px;width:100%;padding:.75rem .85rem;font-size:1.05rem;font-weight:400}input:focus-visible,button:focus-visible{outline:2px solid var(--acento);outline-offset:2px}.fila{grid-template-columns:1fr 1fr;gap:.75rem;display:grid}.opciones{gap:.75rem;display:flex}.opcion{border:1px solid var(--linea);border-radius:10px;flex:1;align-items:center;gap:.5rem;padding:.65rem .9rem;font-weight:400;display:flex}.opcion:has(input:checked){border-color:var(--acento)}.opcional{color:var(--suave);font-size:.85rem;font-weight:400}button{font:inherit;cursor:pointer}.principal{background:var(--acento);color:#fff;border:0;border-radius:12px;min-height:52px;padding:.9rem;font-size:1.05rem;font-weight:700}.principal:disabled{opacity:.6}.enlace{color:var(--suave);background:0 0;border:0;padding:.5rem;text-decoration:underline}.nota{color:var(--suave);font-size:.92rem}.error{color:var(--error);margin:0;font-size:.9rem;font-weight:400}.aviso{inset:auto 1rem max(1rem, env(safe-area-inset-bottom));background:var(--panel);border:1px solid var(--acento);z-index:10;border-radius:12px;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;display:flex;position:fixed}.aviso button{background:var(--acento);color:#fff;border:0;border-radius:8px;padding:.45rem .8rem;font-weight:700}