.circle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.circle-item {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
    margin: 0 auto;
    transition: transform 0.3s;
}

.circle-item:hover {
    transform: scale(1.05);
}

.feature-card {
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.dark .feature-card:hover {
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.toggle-checkbox:checked {
    right: 0;
    border-color: #4f46e5;
}

.toggle-checkbox:checked + .toggle-label {
    background-color: #4f46e5;
}

.dark .toggle-checkbox:checked + .toggle-label {
    background-color: #7c3aed;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.like-btn {
    transition: all 0.2s;
}

.like-btn:hover {
    transform: scale(1.1);
}

.like-btn.liked {
    color: #ef4444;
}

.dark .like-btn.liked {
    color: #f87171;
}