body {
    margin: 0;
    font-family: Segoe UI, Arial, sans-serif;
}

header {
    background: #0078D7;
    color: white;
    padding: 15px;
}

.container {
    display: flex;
    min-height: calc(100vh - 70px);
}

.sidebar {
    width: 250px;
    background: #f2f2f2;
    padding: 15px;
    border-right: 1px solid #ccc;
}

.content {
    flex: 1;
    padding: 20px;
}

.category,
.event {
    padding: 10px;
    margin-bottom: 5px;
    cursor: pointer;
    background: white;
    border: 1px solid #ddd;
}

.category:hover,
.event:hover {
    background: #0078D7;
    color: white;
}

#events {
    margin-bottom: 20px;
}

#gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

#gallery img {
    width: 250px;
    height: 180px;
    object-fit: cover;
    border: 1px solid #ccc;
    cursor: pointer;
}

#gallery img:hover {
    transform: scale(1.05);
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox img {
    max-width: 95%;
    max-height: 95%;
}