/**
 * Reusable Animations
 * Global animation keyframes and utilities
 */

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

/* Heart beat for likes */
@keyframes heartBeat {
    0% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1.2); }
    75% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Pulse animation */
@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* Float animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* Fade in up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Shimmer effect */
@keyframes shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

/* Progress pulse */
@keyframes progress-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* Spin animation */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}