.gradient-bg {
    background: linear-gradient(135deg, #3498db 0%, #9b59b6 100%);
}
.result-gradient {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
}
#progress-ring {
    transform: rotate(-90deg);
}
@media (max-width: 640px) {
    .flex-col-mobile {
        flex-direction: column;
    }
}
.glass-effect {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}