/**
 * Khánh Vy Auto — chi tiết bài viết (Kiến thức) + trang tác giả.
 *
 * Nền xám nhạt; toàn bộ bài nằm trong 1 khung thẻ trắng rộng 100% khung trang:
 * đầu bài → ảnh bìa → mục lục → nội dung → đặt lịch → tag/chia sẻ → tác giả
 * → (single.php) bình luận → bài liên quan → CTA.
 */

.kva-single--post {
	background: var(--kva-light);
}

.kva-post-wrap {
	padding-top: 20px;
}

.kva-post-wrap > .kva-breadcrumbs {
	margin-bottom: 16px;
}

.kva-post-card {
	padding: 36px 44px 40px;
	border: 1px solid var(--kva-border);
	border-radius: 18px;
	background: #fff;
	box-shadow: 0 10px 30px rgba(0, 0, 0, .04);
}

/* Đầu bài -------------------------------------------------------------- */
.kva-post-hero {
	padding: 0;
	background: transparent;
}

.kva-post-hero__cat {
	margin: 0 0 12px;
}

.kva-post-hero__title {
	margin: 0 0 14px;
	font-size: clamp(1.75rem, 1.25rem + 1.8vw, 2.5rem);
	font-weight: 900;
	line-height: 1.25;
	letter-spacing: -.01em;
	color: var(--kva-secondary);
}

.kva-post-hero__lead {
	margin: 0 0 16px;
	font-size: 1.12rem;
	line-height: 1.7;
	color: var(--kva-muted);
}

.kva-post-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 20px;
	margin: 0;
	padding: 0 0 18px;
	border-bottom: 1px solid var(--kva-border);
	list-style: none;
	color: var(--kva-muted);
	font-size: .9rem;
}

.kva-post-meta li {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin: 0;
}

.kva-post-meta .kva-icon {
	width: 16px;
	height: 16px;
	color: var(--kva-primary);
}

.kva-post-meta a {
	color: inherit;
}

.kva-post-meta a:hover {
	color: var(--kva-primary);
}

/* Ảnh bìa */
.kva-post-cover {
	margin-top: 22px;
	margin-bottom: 0;
}

.kva-post-cover img {
	display: block;
	width: 100%;
	max-height: 520px;
	border-radius: 14px;
	object-fit: cover;
}

.kva-post-cover figcaption {
	text-align: center;
}

.kva-post-body {
	padding-top: 28px;
}

/* Mục lục: khung đầu bài ------------------------------------------------- */
.kva-toc {
	margin: 0 0 28px;
	border: 1px solid var(--kva-border);
	border-left: 4px solid var(--kva-primary);
	border-radius: 12px;
	background: var(--kva-light);
}

.kva-toc summary {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 14px 18px;
	cursor: pointer;
	font-weight: 800;
	color: var(--kva-secondary);
	list-style: none;
}

.kva-toc summary::-webkit-details-marker {
	display: none;
}

.kva-toc summary::after {
	content: "";
	width: 8px;
	height: 8px;
	margin-left: auto;
	border-right: 2px solid currentColor;
	border-bottom: 2px solid currentColor;
	transform: rotate(45deg);
	transition: transform .2s ease;
}

.kva-toc[open] summary::after {
	transform: rotate(-135deg);
}

.kva-toc summary .kva-icon {
	color: var(--kva-primary);
}

.kva-toc__list {
	margin: 0;
	padding: 0 18px 16px;
	list-style: none;
	counter-reset: kva-toc;
}

.kva-toc__item {
	margin: 0;
}

.kva-toc__item--h2 {
	counter-increment: kva-toc;
}

.kva-toc__item a {
	display: block;
	padding: 5px 0;
	color: var(--kva-text);
	font-size: .95rem;
	line-height: 1.5;
}

.kva-toc__item--h2 a::before {
	content: counter(kva-toc) ". ";
	color: var(--kva-primary);
	font-weight: 800;
}

.kva-toc__item--h3 a {
	padding-left: 22px;
	color: var(--kva-muted);
	font-size: .9rem;
}

.kva-toc__item a:hover,
.kva-toc__item a.is-active {
	color: var(--kva-primary);
}

/* Nội dung bài ------------------------------------------------------- */
.kva-post-content {
	font-size: 1.06rem;
	line-height: 1.85;
	color: #2a2a2a;
}

.kva-post-content > * {
	margin-bottom: 1.15em;
}

.kva-post-content h2,
.kva-post-content h3,
.kva-post-content h4 {
	scroll-margin-top: 100px;
	color: var(--kva-secondary);
}

.kva-post-content h2 {
	position: relative;
	margin: 1.8em 0 .7em;
	padding-left: 16px;
	font-size: 1.55rem;
	font-weight: 900;
	line-height: 1.35;
}

.kva-post-content h2::before {
	content: "";
	position: absolute;
	top: .18em;
	bottom: .18em;
	left: 0;
	width: 5px;
	border-radius: 3px;
	background: var(--kva-primary);
}

.kva-post-content h3 {
	margin: 1.5em 0 .6em;
	font-size: 1.25rem;
	font-weight: 800;
}

.kva-post-content > h2:first-child,
.kva-post-content > h3:first-child {
	margin-top: 0;
}

.kva-post-content ul {
	padding-left: 0;
	list-style: none;
}

.kva-post-content ul > li {
	position: relative;
	padding-left: 24px;
}

.kva-post-content ul > li::before {
	content: "";
	position: absolute;
	top: .72em;
	left: 4px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--kva-primary);
}

.kva-post-content ol {
	padding-left: 1.4em;
}

.kva-post-content ol > li::marker {
	color: var(--kva-primary);
	font-weight: 800;
}

.kva-post-content blockquote {
	margin: 1.6em 0;
	padding: 18px 22px;
	border: 0;
	border-left: 4px solid var(--kva-primary);
	border-radius: 0 12px 12px 0;
	background: var(--kva-light);
	font-size: 1.05rem;
	font-style: normal;
	color: var(--kva-secondary);
}

.kva-post-content blockquote p:last-child {
	margin-bottom: 0;
}

.kva-post-content img {
	border-radius: 12px;
}

.kva-post-content figure {
	margin: 1.6em 0;
}

.kva-post-content table {
	width: 100%;
	overflow: hidden;
	border: 1px solid var(--kva-border);
	border-collapse: separate;
	border-spacing: 0;
	border-radius: 10px;
	font-size: .95rem;
}

.kva-post-content th,
.kva-post-content td {
	padding: 10px 14px;
}

.kva-post-content th {
	background: var(--kva-secondary);
	color: #fff;
}

.kva-post-content tr:nth-child(even) td {
	background: #fafafa;
}

.kva-post-content a {
	color: var(--kva-primary);
	font-weight: 600;
}

.kva-post-content hr {
	margin: 2em 0;
}

/* Dải đặt lịch cuối bài -------------------------------------------------- */
.kva-post-cta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 16px 20px;
	margin: 36px 0 0;
	padding: 20px 22px;
	border-radius: 14px;
	background: var(--kva-secondary);
	color: var(--kva-on-dark);
}

.kva-post-cta__icon {
	display: inline-flex;
	flex-shrink: 0;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: var(--kva-primary);
	color: #fff;
}

.kva-post-cta__text {
	display: flex;
	flex: 1 1 240px;
	flex-direction: column;
	gap: 2px;
	font-size: .92rem;
	line-height: 1.5;
}

.kva-post-cta__text strong {
	color: #fff;
	font-size: 1.1rem;
	font-weight: 900;
}

.kva-post-cta__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.kva-post-cta__actions .kva-btn {
	margin: 0;
}

.kva-post-cta__actions .kva-btn--outline {
	border-color: rgba(255, 255, 255, .4);
	color: #fff;
}

.kva-post-cta__actions .kva-btn--outline:hover {
	border-color: #fff;
	background: #fff;
	color: var(--kva-secondary);
}

/* Tag + chia sẻ ----------------------------------------------------------- */
.kva-post-foot {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 14px 20px;
	margin: 28px 0 0;
	padding: 18px 0;
	border-top: 1px solid var(--kva-border);
	border-bottom: 1px solid var(--kva-border);
}

.kva-post-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.kva-post-tags a {
	padding: 5px 12px;
	border-radius: 999px;
	background: var(--kva-light);
	color: var(--kva-secondary);
	font-size: .85rem;
	font-weight: 600;
}

.kva-post-tags a:hover {
	background: var(--kva-primary-soft);
	color: var(--kva-primary);
}

.kva-share {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin-left: auto;
}

.kva-share__label {
	margin-right: 2px;
	color: var(--kva-muted);
	font-size: .85rem;
	font-weight: 700;
}

.kva-share__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	min-width: 40px;
	height: 40px;
	margin: 0;
	padding: 0 12px;
	border: 1px solid var(--kva-border);
	border-radius: 999px;
	background: #fff;
	color: var(--kva-secondary);
	font-size: .85rem;
	font-weight: 700;
	transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.kva-share__btn[hidden] {
	display: none;
}

.kva-share__btn .kva-icon {
	width: 17px;
	height: 17px;
}

.kva-share__btn:hover {
	border-color: var(--kva-secondary);
	background: var(--kva-secondary);
	color: #fff;
}

.kva-share__btn--facebook:hover {
	border-color: #1877f2;
	background: #1877f2;
}

.kva-share__btn.is-done {
	border-color: #1f9d55;
	background: #1f9d55;
	color: #fff;
}

/* Avatar tác giả ------------------------------------------------------------ */
.kva-author-avatar {
	flex-shrink: 0;
	border-radius: 50%;
	object-fit: cover;
}

.kva-author-avatar--letter {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: var(--kva-avatar, 48px);
	height: var(--kva-avatar, 48px);
	background: var(--kva-secondary);
	color: #fff;
	font-size: calc(var(--kva-avatar, 48px) * .42);
	font-weight: 900;
}

/* Hộp tác giả (dưới bài) ------------------------------------------------ */
.kva-author-box {
	position: relative;
	display: flex;
	gap: 20px;
	margin: 28px 0 0;
	padding: 26px 26px 24px 30px;
	overflow: hidden;
	border: 1px solid var(--kva-border);
	border-radius: 16px;
	background:
		radial-gradient(60% 120% at 100% 0%, rgba(227, 6, 19, .06), transparent 60%),
		#fff;
}

.kva-author-box::before {
	content: "";
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	width: 5px;
	background: var(--kva-primary);
}

.kva-author-box__avatar.kva-author-avatar {
	width: 88px;
	height: 88px;
	box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--kva-primary-soft);
}

.kva-author-box .kva-author-avatar--letter {
	--kva-avatar: 88px;
}

.kva-author-box__body {
	flex: 1;
	min-width: 0;
}

.kva-author-box__kicker {
	margin: 0 0 2px;
	color: var(--kva-primary);
	font-size: .72rem;
	font-weight: 800;
	letter-spacing: .14em;
	text-transform: uppercase;
}

.kva-author-box__name {
	margin: 0;
	font-size: 1.3rem;
	font-weight: 900;
	line-height: 1.3;
	color: var(--kva-secondary);
}

.kva-author-box__name a {
	color: inherit;
}

.kva-author-box__name a:hover {
	color: var(--kva-primary);
}

.kva-author-box__title {
	margin: 2px 0 10px;
	color: var(--kva-muted);
	font-size: .88rem;
	font-weight: 600;
}

.kva-author-box__bio {
	margin: 0 0 14px;
	font-size: .96rem;
	line-height: 1.75;
	color: var(--kva-text);
}

.kva-author-box__socials {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0 0 14px;
	padding: 0;
	list-style: none;
}

.kva-author-box__socials li {
	margin: 0;
}

.kva-author-box__social {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border: 1px solid var(--kva-border);
	border-radius: 50%;
	background: #fff;
	color: var(--kva-secondary);
	transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .3s cubic-bezier(.34, 1.56, .64, 1);
}

.kva-author-box__social .kva-icon {
	width: 17px;
	height: 17px;
}

.kva-author-box__social:hover {
	transform: translateY(-3px);
	border-color: var(--kva-secondary);
	background: var(--kva-secondary);
	color: #fff;
}

.kva-author-box__social--facebook:hover { border-color: #1877f2; background: #1877f2; }
.kva-author-box__social--zalo:hover { border-color: #0068ff; background: #0068ff; }
.kva-author-box__social--youtube:hover { border-color: #ff0000; background: #ff0000; }

.kva-author-box__more {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 14px;
	border-radius: 999px;
	background: var(--kva-secondary);
	color: #fff;
	font-size: .82rem;
	font-weight: 800;
	transition: background-color .2s ease;
}

.kva-author-box__more:hover {
	background: var(--kva-primary);
	color: #fff;
}

.kva-author-box__more .kva-icon {
	width: 15px;
	height: 15px;
}

.kva-author-box__count {
	margin: 0;
	color: var(--kva-muted);
	font-weight: 700;
}

/* Thẻ tác giả dưới bài (gọn 1 hàng) ------------------------------------- */
.kva-author-card {
	margin: 28px 0 0;
	padding: 16px 18px;
	border: 1px solid var(--kva-border);
	border-radius: 14px;
	background: var(--kva-light);
}

.kva-author-card__row {
	display: flex;
	align-items: center;
	gap: 14px;
}

.kva-author-card__avatar.kva-author-avatar {
	width: 56px;
	height: 56px;
}

.kva-author-card__info {
	display: flex;
	flex: 1;
	flex-direction: column;
	min-width: 0;
	line-height: 1.35;
}

.kva-author-card__label {
	color: var(--kva-muted);
	font-size: .7rem;
	font-weight: 700;
	letter-spacing: .1em;
	text-transform: uppercase;
}

.kva-author-card__name {
	overflow: hidden;
	color: var(--kva-secondary);
	font-size: 1.05rem;
	font-weight: 800;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.kva-author-card__name:hover {
	color: var(--kva-primary);
}

.kva-author-card__title {
	color: var(--kva-muted);
	font-size: .84rem;
}

.kva-author-card__actions {
	display: flex;
	flex-shrink: 0;
	align-items: center;
	gap: 10px;
}

.kva-author-card__socials {
	display: flex;
	gap: 6px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.kva-author-card__socials li {
	margin: 0;
}

.kva-author-card__social {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	background: #fff;
	color: var(--kva-secondary);
	box-shadow: inset 0 0 0 1px var(--kva-border);
	transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.kva-author-card__social .kva-icon {
	width: 15px;
	height: 15px;
}

.kva-author-card__social:hover {
	background: var(--kva-secondary);
	color: #fff;
	box-shadow: none;
}

.kva-author-card__social--facebook:hover { background: #1877f2; }
.kva-author-card__social--zalo:hover { background: #0068ff; }
.kva-author-card__social--youtube:hover { background: #ff0000; }

.kva-author-card__more {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 7px 14px;
	border-radius: 999px;
	background: #fff;
	color: var(--kva-secondary);
	font-size: .82rem;
	font-weight: 700;
	white-space: nowrap;
	box-shadow: inset 0 0 0 1px var(--kva-border);
	transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.kva-author-card__more .kva-icon {
	width: 14px;
	height: 14px;
	transition: transform .25s ease;
}

.kva-author-card__more:hover {
	background: var(--kva-primary);
	color: #fff;
	box-shadow: none;
}

.kva-author-card__more:hover .kva-icon {
	transform: translateX(3px);
}

.kva-author-card__bio {
	margin: 14px 0 0;
	padding-top: 12px;
	border-top: 1px solid var(--kva-border);
	color: var(--kva-text);
	font-size: .93rem;
	line-height: 1.7;
}

@media (max-width: 549px) {
	.kva-author-card__row {
		flex-wrap: wrap;
	}

	.kva-author-card__actions {
		flex-wrap: wrap;
		width: 100%;
		justify-content: space-between;
		padding-top: 12px;
		border-top: 1px solid var(--kva-border);
	}
}

/* Trang tác giả */
.kva-author-box--archive {
	align-items: center;
	margin: 18px 0 0;
	padding: 0;
	overflow: visible;
	border: 0;
	background: transparent;
}

.kva-author-box--archive::before {
	display: none;
}

.kva-author-box--archive .kva-author-box__avatar.kva-author-avatar {
	width: 96px;
	height: 96px;
	box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--kva-primary);
}

.kva-author-box--archive .kva-author-avatar--letter {
	--kva-avatar: 96px;
}

.kva-author-box--archive .kva-author-box__name {
	font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem);
}

/* Bài liên quan + bình luận ----------------------------------------------- */
.kva-single--post .kva-related {
	background: transparent;
	border-top: 0;
}

.kva-post-comments {
	padding-top: 24px;
	padding-bottom: 8px;
}

.kva-post-comments .kva-comments {
	margin-top: 0;
	padding: 32px 44px;
	border-radius: 18px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, .04);
}

/* Responsive ---------------------------------------------------------------- */
@media (max-width: 1023px) {
	.kva-post-card,
	.kva-post-comments .kva-comments {
		padding: 28px;
	}
}

@media (max-width: 549px) {
	.kva-post-wrap {
		padding-top: 14px;
	}

	.kva-post-card {
		padding: 20px 16px 24px;
		border-radius: 14px;
	}

	.kva-post-comments .kva-comments {
		padding: 18px 16px;
		border-radius: 14px;
	}

	.kva-post-hero__lead {
		font-size: 1rem;
	}

	.kva-post-meta {
		gap: 6px 14px;
		font-size: .85rem;
	}

	.kva-post-cover {
		margin-top: 16px;
	}

	.kva-post-cover img {
		border-radius: 12px;
	}

	.kva-post-body {
		padding-top: 22px;
	}

	.kva-post-content {
		font-size: 1rem;
	}

	.kva-post-content h2 {
		font-size: 1.3rem;
	}

	/* Bảng rộng: cuộn ngang trên điện thoại. */
	.kva-post-content table {
		display: block;
		overflow-x: auto;
		white-space: nowrap;
	}

	.kva-post-cta {
		padding: 18px;
	}

	.kva-post-cta__actions,
	.kva-post-cta__actions .kva-btn {
		width: 100%;
	}

	.kva-share {
		margin-left: 0;
	}

	.kva-author-box {
		flex-direction: column;
		gap: 14px;
		padding: 22px 20px 20px 24px;
	}

	.kva-author-box__avatar.kva-author-avatar,
	.kva-author-box .kva-author-avatar--letter {
		--kva-avatar: 64px;
		width: 64px;
		height: 64px;
	}

	.kva-author-box--archive {
		flex-direction: row;
		padding: 0;
	}

	.kva-author-box--archive .kva-author-box__avatar.kva-author-avatar,
	.kva-author-box--archive .kva-author-avatar--letter {
		--kva-avatar: 72px;
		width: 72px;
		height: 72px;
	}
}