/* Timeline toggle animation */
.chanma-timeline-content {
    display: none;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.chanma-timeline-content.open {
    display: block;
    animation: slideDown 0.3s ease;
}

.chanma-timeline-toggle {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.chanma-timeline-toggle.open {
    transform: rotate(180deg);
    color: var(--primary-color);
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}