/* Activity Log */
.activity-log-section {
    margin: 2rem 1rem 8rem 1rem;
    /* Added top margin */
    padding: 1.5rem;
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding-bottom: 2rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
    /* Prevent crushing/overlap */
    position: relative;
    z-index: 1;
}

.activity-log-header {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-tertiary);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.activity-log {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    /* More spacing */
    position: relative;
}

/* Timeline line */
.activity-log::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 17px;
    /* Center of icon (36/2) - 1px width */
    width: 2px;
    background: var(--surface-highlight);
    z-index: 0;
    border-radius: 99px;
}

.activity-entry {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.9rem;
    box-shadow: 0 0 0 4px var(--surface);
    /* Mask timeline */
}

.activity-icon.added {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.activity-icon.bought {
    background: rgba(139, 92, 246, 0.2);
    color: var(--primary);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.activity-icon.unbought {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.activity-content {
    flex: 1;
    background: var(--surface);
    padding: 0.75rem 1rem;
    border-radius: 0 1rem 1rem 1rem;
    /* Chat bubble style */
    border: 1px solid var(--border);
}

.activity-text {
    color: var(--text-secondary);
    line-height: 1.4;
    font-size: 0.9rem;
}

.activity-user {
    font-weight: 700;
    color: var(--text-primary);
}

.activity-item {
    font-weight: 600;
    color: var(--text-primary);
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
    display: block;
    text-align: right;
}

.activity-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    font-style: italic;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
}