.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.gradient-text {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 25%, #f857a6 50%, #ff6a88 75%, #667eea 100%);
    background-size: 300% 300%;
    animation: gradient 3s ease infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #f0f;
    animation: confetti-fall 3s ease-out forwards;
}

.level-badge {
    position: relative;
    overflow: hidden;
}

.level-badge::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}