@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}
@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(168, 85, 247, 0.4); }
    50% { box-shadow: 0 0 40px rgba(236, 72, 153, 0.6); }
}
@keyframes slideIn {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}
@keyframes ping {
    75%, 100% { transform: scale(2); opacity: 0; }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
@keyframes sparkle {
    0%, 100% { transform: scale(0) rotate(0deg); }
    50% { transform: scale(1) rotate(180deg); }
}
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }
.animate-slideIn { animation: slideIn 0.5s ease-out; }
.animate-bounce { animation: bounce 1s infinite; }
.animate-ping { animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.animate-sparkle { animation: sparkle 1s ease-in-out infinite; }

.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;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.dark-mode {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.dark-mode .glass {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

@keyframes confetti-fall {
    to {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

.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;
}

@keyframes shine {
    0% { left: -50%; }
    100% { left: 150%; }
}