/* ============================================================
   全站 Nav header（TOVA-33）
   原本 inc_header.php 上的 Tailwind utility 失效，這裡用 BEM 樣式
   復原 desktop mega menu + mobile sidebar accordion 的視覺。
   JS 改用 .is-hidden / .is-rotated / .is-active 三個 modifier。
   ============================================================ */

/* common modifiers */
.is-hidden { display: none !important; }
.is-rotated { transform: rotate(90deg); }
body.is-locked { overflow: hidden; }

/* ----- Desktop mega menu ----- */
.nav-mega {
	position: relative;
}
.nav-mega__trigger {
	display: flex;
	align-items: center;
	gap: 4px;
	background: transparent;
	border: 0;
	font-weight: 700;
	color: inherit;
	padding: 20px 0;
	cursor: pointer;
	transition: color 0.2s;
}
.nav-mega__trigger:hover,
.nav-mega__trigger:focus {
	color: #2563eb;
	outline: none;
}
.nav-mega__chevron {
	transition: transform 0.2s ease;
}
.nav-mega__panel {
	position: absolute;
	top: 100%;
	left: 0;
	display: flex;
	background: #fff;
	border: 1px solid #f1f5f9;
	border-radius: 16px;
	box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
	overflow: hidden;
	z-index: 1000;
}
.nav-mega__categories {
	width: 240px;
	padding: 16px 0;
	border-right: 1px solid #f1f5f9;
}
.nav-mega__cat-btn {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 12px 32px;
	background: transparent;
	border: 0;
	text-align: left;
	font-weight: 700;
	color: #475569;
	cursor: pointer;
	transition: color 0.2s, background-color 0.2s;
}
.nav-mega__cat-btn > a {
	color: inherit;
	text-decoration: none;
}
.nav-mega__cat-btn:hover,
.nav-mega__cat-btn.is-active {
	color: #2563eb;
	background-color: rgba(239, 246, 255, 0.6);
}
.nav-mega__cat-icon {
	color: #94a3b8;
	transition: color 0.2s;
}
.nav-mega__cat-btn:hover .nav-mega__cat-icon,
.nav-mega__cat-btn.is-active .nav-mega__cat-icon {
	color: #2563eb;
}
.nav-mega__sub {
	flex: 1;
	padding: 16px 32px;
	background: #fff;
	min-height: 400px;
	min-width: 280px;
}
.nav-mega__sub-content {
	margin-top: 64px;
	min-width: 150px;
}
.nav-mega__sub-link {
	display: block;
	padding: 10px 0;
	font-weight: 500;
	color: inherit;
	transition: color 0.2s;
	animation: navFadeInRight 0.2s ease-out forwards;
}
.nav-mega__sub-link + .nav-mega__sub-link {
	margin-top: 4px;
}
.nav-mega__sub-link:hover,
.nav-mega__sub-link:focus {
	color: #2563eb;
	text-decoration: none;
}
@keyframes navFadeInRight {
	from { opacity: 0; transform: translateX(10px); }
	to   { opacity: 1; transform: translateX(0); }
}

/* ----- Mobile menu accordion ----- */
.nav-accordion__header {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	background: transparent;
	border: 0;
	padding: 0;
	font-weight: 700;
	cursor: pointer;
	color: inherit;
}
.nav-accordion__chevron {
	transition: transform 0.2s ease;
}
.nav-accordion__content {
	padding-left: 32px;
	margin-top: 16px;
}
.nav-accordion__content > .nav-sub-accordion + .nav-sub-accordion {
	margin-top: 8px;
}

.nav-sub-accordion__header {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 8px 0;
	background: transparent;
	border: 0;
	font-weight: 700;
	color: #1e293b;
	cursor: pointer;
}
.nav-sub-accordion__header.is-active {
	color: #2563eb;
}
.nav-sub-accordion__header > a {
	color: inherit;
	text-decoration: none;
}
.nav-sub-accordion__content {
	padding-left: 20px;
}
.nav-sub-accordion__content > a {
	display: block;
	padding: 8px 0;
	color: #475569;
}
.nav-sub-accordion__content > a:hover,
.nav-sub-accordion__content > a:focus {
	color: #2563eb;
	text-decoration: none;
}
.nav-sub-accordion__content > a + a {
	margin-top: 4px;
}

/* ----- User card (mobile sidebar 頂部) ----- */
.nav-user-card {
	display: flex;
	justify-content: space-between;
	align-items: center;
	color: inherit;
	text-decoration: none;
}
.nav-user-card:hover,
.nav-user-card:focus {
	color: inherit;
	text-decoration: none;
}
.nav-user-card__main {
	display: flex;
	align-items: center;
	gap: 16px;
}
.nav-user-card__avatar {
	flex-shrink: 0;
	width: 48px;
	height: 48px;
	background: #0f172a;
	border-radius: 50%;
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
}
.nav-user-card__avatar img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.nav-user-card__text {
	display: flex;
	flex-direction: column;
}
.nav-user-card__name {
	color: #0f172a;
	font-weight: 700;
	font-size: 18px;
	line-height: 1.2;
}
.nav-user-card__email {
	color: #64748b;
	font-size: 14px;
}
.nav-user-card__chevron {
	transition: transform 0.2s;
}