.hearts-container {
    position: relative;
    min-height: 500px;
    margin: 2rem 0;
}

.heart {
    position: absolute;
    width: 60px;
    height: 60px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    filter: drop-shadow(0 0 10px rgba(255, 107, 157, 0.5));
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}

.heart:hover {
    transform: scale(1.3) rotate(10deg);
    filter: drop-shadow(0 0 20px rgba(255, 107, 157, 0.8));
}

.heart.clicked {
    animation: heartPop 0.6s ease-out;
}

@keyframes heartPop {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.5) rotate(15deg);
    }
    100% {
        transform: scale(0);
        opacity: 0;
    }
}

/* Heart icon image */
.heart-icon {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    transition: filter 0.3s ease;
    filter: drop-shadow(0 0 12px rgba(255, 107, 157, 0.6));
}

.heart:hover .heart-icon {
    filter: drop-shadow(0 0 25px rgba(196, 79, 120, 0.85));
}

/* Floating animations */
@keyframes floatHeart1 {
    0%, 100% {
        transform: translateY(0) translateX(0) rotate(0deg);
    }
    25% {
        transform: translateY(-30px) translateX(15px) rotate(5deg);
    }
    50% {
        transform: translateY(-50px) translateX(0) rotate(0deg);
    }
    75% {
        transform: translateY(-30px) translateX(-15px) rotate(-5deg);
    }
}

@keyframes floatHeart2 {
    0%, 100% {
        transform: translateY(0) translateX(0) rotate(0deg);
    }
    25% {
        transform: translateY(-40px) translateX(-20px) rotate(-5deg);
    }
    50% {
        transform: translateY(-60px) translateX(0) rotate(0deg);
    }
    75% {
        transform: translateY(-40px) translateX(20px) rotate(5deg);
    }
}

@keyframes floatHeart3 {
    0%, 100% {
        transform: translateY(0) translateX(0) rotate(0deg);
    }
    33% {
        transform: translateY(-35px) translateX(10px) rotate(3deg);
    }
    66% {
        transform: translateY(-55px) translateX(-10px) rotate(-3deg);
    }
}

.heart.float-1 {
    animation: floatHeart1 6s ease-in-out infinite;
}

.heart.float-2 {
    animation: floatHeart2 7s ease-in-out infinite;
}

.heart.float-3 {
    animation: floatHeart3 8s ease-in-out infinite;
}

/* Message Tooltip */
.heart-message {
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%) scale(0);
    background: linear-gradient(135deg, var(--primary-pink), var(--secondary-purple));
    color: white;
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
    z-index: 100;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    font-weight: 500;
}

.heart-message::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--secondary-purple);
}

.heart:hover .heart-message {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* Different heart sizes */
.heart.size-small {
    width: 45px;
    height: 45px;
}

.heart.size-medium {
    width: 60px;
    height: 60px;
}

.heart.size-large {
    width: 75px;
    height: 75px;
}

/* Sparkle effect on hover */
.heart::before {
    content: '✨';
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 1.2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.heart:hover::before {
    opacity: 1;
    animation: sparkle 1s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.7;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hearts-container {
        min-height: 400px;
    }

    .heart {
        width: 50px;
        height: 50px;
    }

    .heart.size-small {
        width: 40px;
        height: 40px;
    }

    .heart.size-large {
        width: 65px;
        height: 65px;
    }

    .heart-message {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
}