@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;900&display=swap');
body { font-family: 'Inter', sans-serif; background: radial-gradient(circle at top left, #121212 0%, #080808 100%) !important; }
.glass { background: rgba(255, 255, 255, 0.03); backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 0.05); }
.mensaje-container-buzon { background: #0d3137 !important; border-radius: 2rem; }
.codigo-rojo-destacado {
    background-color: #ff4d4d !important;
    color: white !important;
    font-size: 2.8rem !important;
    font-weight: 900 !important;
    padding: 1rem 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 15px 35px rgba(255, 77, 77, 0.4);
    font-family: monospace;
    display: inline-block;
}