body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
    overflow: hidden;
}

.container {
    position: relative;
    width: 100%;
    height: 100%;
}

.gesture-guide {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

.hand-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.guide-text {
    color: white;
    font-size: 20px;
}

.message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    opacity: 0;
    transition: all 0.5s;
}

.message.show {
    opacity: 1;
    animation: scaleIn 0.5s ease-out;
}

.message .heart {
    font-size: 60px;
    animation: pulse 1.5s infinite;
}

.message .text {
    color: white;
    font-size: 24px;
    margin-top: 20px;
}

.hidden {
    display: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-30px);
    }
    60% {
        transform: translateX(-50%) translateY(-15px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes scaleIn {
    0% {
        transform: translate(-50%, -50%) scale(0);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}