:root{--bg-principal:#0b0d13;--bg-cristal:#ffffff08;--borde-cristal:#ffffff14;--color-dorado:#dfb15b;--color-azul-brillante:#00d2ff;--texto-blanco:#f5f6f9;--texto-mutado:#94a3b8;--sombra-premium:space}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-principal);color:var(--texto-blanco);background-image:radial-gradient(circle at 10% 20%,#00d2ff0d 0%,#0000 40%),radial-gradient(circle at 90% 80%,#dfb15b0a 0%,#0000 40%);min-height:100vh;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}.efecto-cristal{background:var(--bg-cristal);-webkit-backdrop-filter:blur(12px);border:1px solid var(--borde-cristal);border-radius:16px;box-shadow:0 8px 32px #0000005e}.boton-premium{color:#fff;cursor:pointer;background:linear-gradient(135deg,#646cff 0%,#00d2ff 100%);border:none;border-radius:8px;padding:12px 24px;font-weight:600;transition:all .3s;box-shadow:0 4px 15px #00d2ff33}.boton-premium:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 6px 20px #00d2ff66}.input-premium{color:#fff;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;padding:12px;transition:all .3s}.input-premium:focus{border-color:var(--color-azul-brillante);background:#ffffff14;outline:none;box-shadow:0 0 10px #00d2ff33}