/* ==========================================================================
   O CHON CO O TIM (js/o-chon.js)                              02/09/2026
   ==========================================================================
   Nut + bang xo xuong thay cho the <select> he dieu hanh o nhung cho danh
   sach dai. Cac kich thuoc o day bam theo .dm-loc-select cua thanh loc trang
   danh muc, de nut moi khong lech hang so voi ba o <select> con lai.
   ========================================================================== */
.oc {
	position: relative;
	display: inline-block;
	min-width: 0;
}

/* The <select> that VAN o trong form (de gui gia tri di) nhung khong hien.
   Khong dung visibility/opacity: chi can no khong chiem cho. */
.oc > select { display: none; }

.oc-nut {
	display: block;
	width: 100%;
	max-width: 100%;
	height: 34px;
	/* Chua cho mui ten ben phai (18px) de ten hang dai khong de len no. */
	padding: 0 26px 0 10px;
	border: 1px solid #ddd;
	border-radius: 4px;
	background: #fff;
	color: #333;
	font-family: inherit;
	font-size: 13px;
	line-height: 32px;
	text-align: left;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	cursor: pointer;
}

.oc-nut::after {
	content: "";
	position: absolute;
	top: 50%;
	right: 10px;
	width: 0;
	height: 0;
	margin-top: -2px;
	border-left: 4px solid transparent;
	border-right: 4px solid transparent;
	border-top: 5px solid #888;
	pointer-events: none;
}

.oc-nut:hover { border-color: #bbb; }
.oc-mo .oc-nut { border-color: #e42527; }

.oc-bang {
	position: absolute;
	top: 100%;
	left: 0;
	z-index: 60;
	min-width: 100%;
	/* Danh sach hang xe dai hon o loc rat nhieu; cho bang rong hon nut mot
	   chut de ten hang khong bi cat, nhung khong qua 300px keo tran ra khoi
	   thanh loc tren man hinh hep. */
	max-width: min(300px, 90vw);
	margin-top: 4px;
	border: 1px solid #ddd;
	border-radius: 6px;
	background: #fff;
	box-shadow: 0 8px 22px rgba(0, 0, 0, .16);
}

/* Author CSS dat "display" cho bang nen luat [hidden] cua trinh duyet thua
   can - phai noi ro. */
.oc-bang[hidden] { display: none !important; }

.oc-tim-boc {
	display: flex;
	align-items: center;
	gap: 7px;
	padding: 8px;
	border-bottom: 1px solid #eee;
}

.oc-tim-boc i { color: #aaa; font-size: 12px; }

.oc-tim {
	flex: 1 1 auto;
	min-width: 0;
	height: 30px;
	padding: 0 8px;
	border: 1px solid #ddd;
	border-radius: 4px;
	font-size: 13px;
	color: #333;
}

.oc-tim:focus { outline: none; border-color: #e42527; }

.oc-ds {
	max-height: 260px;
	margin: 0;
	padding: 4px 0;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	list-style: none;
}

.oc-ds > li {
	margin: 0;
	padding: 7px 10px;
	float: none;
	font-size: 13px;
	line-height: 1.35;
	color: #333;
	cursor: pointer;
}

.oc-ds > li[hidden] { display: none !important; }

/* .oc-tro = muc dang duoc di chuyen toi bang phim mui ten. Tach khoi
   .oc-dang (muc dang duoc chon) de di chuyen bang phim khong lam mat dau
   hieu "hien dang loc theo hang nao". */
.oc-ds > li:hover,
.oc-ds > li.oc-tro { background: #f4f8fc; }

.oc-ds > li.oc-dang {
	background: #fff5f5;
	color: #e42527;
	font-weight: 600;
}

.oc-trong {
	margin: 0;
	padding: 14px 10px;
	font-size: 13px;
	color: #999;
	text-align: center;
}

@media (max-width: 767px) {
	.oc-ds { max-height: 45vh; }
	.oc-ds > li { padding: 9px 10px; }
	/* Duoi 16px iOS tu phong to ca trang khi cham vao o nhap. */
	.oc-tim { font-size: 16px; height: 34px; }
}