.tierheim-calendar {
    margin: 20px 0;
    font-family: inherit;
}

.tierheim-calendar-event {
    border-bottom: 1px solid #eee;
    padding: 15px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    cursor: pointer;
    background-color: #fff;
}

.tierheim-calendar-event:last-child {
    border-bottom: none;
}

.tierheim-calendar-event:hover {
    background-color: #f9f9f9;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-color: transparent;
}

.tierheim-calendar-date {
    font-weight: bold;
    color: #cc0000;
    font-size: 0.9em;
    margin-bottom: 5px;
    display: block;
}

.tierheim-calendar-summary {
    font-size: 1.2em;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
    line-height: 1.3;
}

.tierheim-calendar-location {
    font-style: italic;
    color: #666;
    font-size: 0.9em;
    margin-bottom: 5px;
}

.tierheim-calendar-description {
    color: #444;
    font-size: 0.95em;
    line-height: 1.5;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.4s ease, margin 0.4s ease;
}

.tierheim-calendar-description p {
    margin: 0 0 10px 0;
}

.tierheim-calendar-description p:last-child {
    margin-bottom: 0;
}

.tierheim-calendar-event:hover .tierheim-calendar-description {
    max-height: 1000px;
    opacity: 1;
    margin-top: 15px;
    padding-top: 10px;
    border-top: 1px solid #eee;
}