body { 
	font-family:Arial;
	background:#fff;
	color:#00305e;
	padding:20px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	margin: 0;
	}
.header{
	width: 100%;
	text-align: center;
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 15px;
	color:#00305e;
    margin-bottom: 20px;
	}

    h1 {
    text-align: center;
}

.layout {
    display: flex;
    gap: 20px;
}

/* Player */
.player {
    flex: 2;
    text-align: center;
    background: #f9f9f9;
    padding: 15px;
    border-radius: 10px;
    border: solid 1px rgb(215, 213, 213);
}

video {
    width: 100%;
    border-radius: 10px;
    background: #fff;
}

.title {
    font-weight: bold;
    margin: 5px;
}

/* Library */
.library {
    flex: 1;
    max-height: 85vh;
    overflow-y: auto;
}

h2 {
    margin-top: 20px;
    border-bottom: 1px solid #333;
    padding-bottom: 5px;
    color: #00305e;
}

.category {
    margin-bottom: 15px;
}

.item {
    background: #f9f9f9;
    padding: 8px;
    margin: 5px 0;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
}

.item:hover {
    border: solid 1px #444;
}
.item.empty {
    opacity: 0.6;
    font-style: italic;
    cursor: default;
}