body {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.emotion-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.emotion-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.solution-item {
    transition: all 0.3s ease;
}

.solution-item:hover {
    transform: scale(1.02);
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.breath-circle {
    transition: transform 4s ease-in-out;
}

.breath-circle.expand {
    transform: scale(1.5);
}