/* === Animations === */
@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-3deg); }
    75% { transform: translate(20px, 30px) rotate(2deg); }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes celebrate {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.2) rotate(-10deg); }
    50% { transform: scale(1.3) rotate(10deg); }
    75% { transform: scale(1.2) rotate(-10deg); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes milestoneShow {
    0% {
        transform: translate(-50%, -50%) scale(0) rotate(-180deg);
        opacity: 0;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2) rotate(10deg);
        opacity: 1;
    }
    70% {
        transform: translate(-50%, -50%) scale(0.9) rotate(-5deg);
    }
    100% {
        transform: translate(-50%, -50%) scale(0) rotate(0deg);
        opacity: 0;
    }
}

/* === Fireworks Animations === */
@keyframes fireworkFly {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(-300px) scale(0);
        opacity: 0;
    }
}

@keyframes particleExplode {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx), var(--ty)) scale(0);
        opacity: 0;
    }
}