@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0,255,0,0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(0,255,0,0.6);
    }
}

/* FLOATING TEXT ANIMATIONS - THE JUICE! */
.floating-text {
    position: fixed;
    pointer-events: none;
    font-weight: bold;
    font-size: 1.5rem;
    z-index: 9999;
    animation: floatUp 1.5s ease-out forwards;
    text-shadow: 0 0 10px currentColor;
}

@keyframes floatUp {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateY(-30px) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translateY(-80px) scale(0.8);
    }
}

/* BUTTON JUICE - CLICKY FEEL */
button:active:not(:disabled) {
    transform: scale(0.95);
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.5);
}

button.shake {
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Button ripple effect */
button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 255, 0, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

button:active::after {
    width: 300px;
    height: 300px;
}