.sticky-aside {
    position: sticky;
    top: 105px;
}

.activity-timeline {
    position: relative;
    margin-left: 20px;
    border-left: 2px solid #e0e0e0;
    padding-left: 30px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    left: -55px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

    .timeline-dot img {
        width: 50px;
        height: 50px;
        object-fit: contain;
        background-color: white;
        border-radius: 50%;
        box-shadow: 0 2px 6px rgba(0,0,0,0.1);
        padding: 6px;
    }

.timeline-content {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.accordion-card {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

    .accordion-card:hover {
        box-shadow: 0 4px 14px rgba(0,0,0,0.1);
    }

.accordion-button {
    background: #f8f9fa;
    color: #333;
    font-weight: 600;
    padding: 1rem 1.25rem;
    border: none;
    border-radius: 0;
    transition: background-color 0.3s, color 0.3s;
}

    .accordion-button:not(.collapsed) {
        background-color: #e9f6f9;
        color: #0d6efd;
    }

    .accordion-button:focus {
        box-shadow: none;
    }

.accordion-body {
    padding: 1rem 1.25rem;
    background-color: #fff;
    border-top: 1px solid #eee;
}