/**
 * Khánh Vy Auto — components dùng chung.
 */

/* Buttons ------------------------------------------------------------ */
.kva-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .5em;
	min-height: 44px;
	padding: .65em 1.4em;
	margin: 0;
	border: 2px solid transparent;
	border-radius: var(--kva-radius);
	font-size: .95rem;
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: .02em;
	text-transform: uppercase;
	text-decoration: none;
	cursor: pointer;
	transition: background-color var(--kva-transition), border-color var(--kva-transition), color var(--kva-transition);
}

.kva-btn--primary {
	background: var(--kva-primary);
	border-color: var(--kva-primary);
	color: #fff;
}

.kva-btn--primary:hover,
.kva-btn--primary:focus-visible {
	background: var(--kva-primary-dark);
	border-color: var(--kva-primary-dark);
	color: #fff;
}

.kva-btn--outline {
	background: transparent;
	border-color: var(--kva-secondary);
	color: var(--kva-secondary);
}

.kva-btn--outline:hover,
.kva-btn--outline:focus-visible {
	background: var(--kva-secondary);
	color: #fff;
}

.kva-btn--outline-light {
	background: transparent;
	border-color: rgba(255, 255, 255, .5);
	color: #fff;
}

.kva-btn--outline-light:hover,
.kva-btn--outline-light:focus-visible {
	border-color: #fff;
	background: #fff;
	color: var(--kva-secondary);
}

.kva-btn--sm {
	min-height: 40px;
	padding: .5em 1em;
	font-size: .8rem;
}

.kva-btn--lg {
	min-height: 52px;
	padding: .8em 1.5em;
	font-size: 1rem;
}

.kva-btn--block {
	display: flex;
	width: 100%;
}

/* Off-canvas mobile: khối liên hệ ------------------------------------- */
.kva-sidebar-fallback {
	margin-bottom: 0;
}

.kva-sidebar-contact {
	display: grid;
	gap: 10px;
	padding: 20px;
	border-top: 1px solid var(--kva-border);
}

.kva-sidebar-contact .kva-btn {
	margin: 0;
	text-transform: none;
	font-size: .95rem;
}

.kva-sidebar-contact__address {
	display: flex;
	gap: 8px;
	margin: 6px 0 0;
	font-size: .875rem;
	line-height: 1.5;
	color: var(--kva-muted);
}

.kva-sidebar-contact__address .kva-icon {
	margin-top: 2px;
	color: var(--kva-primary);
}

/* Form đặt lịch ------------------------------------------------------ */
.kva-booking {
	max-width: 860px;
	margin: 0 auto 40px;
	padding: 28px;
	background: #fff;
	border: 1px solid var(--kva-border);
	border-top: 4px solid var(--kva-primary);
	border-radius: var(--kva-radius);
	box-shadow: var(--kva-shadow);
}

.kva-booking__title {
	margin: 0 0 18px;
	font-size: clamp(1.3rem, 1.1rem + .8vw, 1.7rem);
	font-weight: 800;
	text-transform: uppercase;
	color: var(--kva-secondary);
}

.kva-booking__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px 18px;
}

.kva-booking__field {
	min-width: 0;
}

.kva-booking__field--full {
	grid-column: 1 / -1;
}

.kva-booking__field--split {
	display: grid;
	grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
	gap: 12px;
}

.kva-booking__label {
	display: block;
	margin-bottom: 4px;
	font-size: .9rem;
	font-weight: 700;
	color: var(--kva-secondary);
}

.kva-booking__req {
	color: var(--kva-primary);
}

.kva-booking input[type="text"],
.kva-booking input[type="tel"],
.kva-booking input[type="number"],
.kva-booking input[type="date"],
.kva-booking select,
.kva-booking textarea {
	width: 100%;
	min-height: 46px;
	margin: 0;
	padding: 10px 12px;
	border: 1px solid #cfcfcf;
	border-radius: var(--kva-radius);
	box-shadow: none;
	font-size: 16px; /* Tránh iOS tự zoom. */
	background: #fff;
}

.kva-booking textarea {
	min-height: 96px;
	resize: vertical;
}

.kva-booking #kva-bk-note {
	min-height: 72px;
}

.kva-booking input:focus,
.kva-booking select:focus,
.kva-booking textarea:focus {
	border-color: var(--kva-secondary);
	box-shadow: var(--kva-focus);
}

.kva-booking [aria-invalid="true"] {
	border-color: var(--kva-primary);
	background: var(--kva-primary-soft);
}

.kva-booking__error {
	margin: 4px 0 0;
	font-size: .85rem;
	font-weight: 600;
	color: var(--kva-primary-dark);
}

.kva-booking__notice {
	margin-bottom: 16px;
	padding: 12px 14px;
	border-left: 4px solid var(--kva-secondary);
	background: var(--kva-light);
	font-weight: 600;
}

.kva-booking__notice.is-success {
	border-color: #1e8e3e;
	background: #e9f6ed;
	color: #14532d;
}

.kva-booking__notice.is-error {
	border-color: var(--kva-primary);
	background: var(--kva-primary-soft);
	color: var(--kva-primary-dark);
}

.kva-booking__footer {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px 20px;
	margin-top: 20px;
}

.kva-booking__footer .kva-btn {
	margin: 0;
}

.kva-booking__footer .kva-btn[disabled] {
	opacity: .7;
	cursor: progress;
}

.kva-booking__alt {
	margin: 0;
	color: var(--kva-muted);
}

.kva-booking__alt a {
	font-weight: 800;
	color: var(--kva-primary);
}

.kva-booking__privacy {
	margin: 12px 0 0;
	font-size: .8rem;
	color: var(--kva-muted);
}

.kva-booking__hp {
	position: absolute !important;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

@media (max-width: 549px) {
	.kva-booking {
		padding: 20px 16px;
		margin-left: -4px;
		margin-right: -4px;
	}

	.kva-booking__grid {
		grid-template-columns: 1fr;
	}

	.kva-booking__footer .kva-btn {
		width: 100%;
	}
}

/* Nút liên hệ nổi (desktop) ----------------------------------------- */
/* Nút nổi bên phải, thẳng tâm với nút lên đầu trang (46px, right 24px);
   nút lên đầu trang hiện ra → cụm nút trượt lên nằm ngay trên nó. */
.kva-float {
	position: fixed;
	right: 22px;
	bottom: 24px;
	z-index: 980;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
	transition: bottom .3s cubic-bezier(.22, 1, .36, 1);
}

body:has(.kva-totop.is-visible) .kva-float {
	bottom: 84px;
}

.kva-float__btn {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 50px;
	height: 50px;
	border-radius: 50%;
	background: var(--kva-secondary);
	color: #fff;
	box-shadow: 0 4px 14px rgba(0, 0, 0, .25);
	transition: transform var(--kva-transition);
}

.kva-float__btn:hover {
	color: #fff;
	transform: scale(1.06);
}

.kva-float__btn .kva-icon {
	width: 22px;
	height: 22px;
}

.kva-float__btn--call {
	background: var(--kva-primary);
}

.kva-float__btn--zalo {
	background: #0068ff;
}

.kva-float__label {
	position: absolute;
	right: 60px;
	padding: 4px 10px;
	border-radius: var(--kva-radius);
	background: var(--kva-secondary);
	color: #fff;
	font-size: .78rem;
	font-weight: 700;
	white-space: nowrap;
	opacity: 0;
	pointer-events: none;
	transition: opacity var(--kva-transition);
}

.kva-float__btn:hover .kva-float__label,
.kva-float__btn:focus-visible .kva-float__label {
	opacity: 1;
}

@media (max-width: 849px) {
	.kva-float {
		display: none;
	}
}

/* Nút lên đầu trang (desktop; mobile đã có thanh CTA) ------------------- */
.kva-totop {
	position: fixed;
	right: 24px;
	bottom: 24px;
	z-index: 980;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 46px;
	height: 46px;
	margin: 0;
	padding: 0;
	border: 1px solid var(--kva-border);
	border-radius: 50%;
	background: #fff;
	color: var(--kva-secondary);
	box-shadow: 0 8px 22px rgba(0, 0, 0, .14);
	opacity: 0;
	visibility: hidden;
	transform: translateY(12px);
	transition: opacity .3s ease, transform .3s ease, visibility 0s linear .3s, background-color .25s ease, color .25s ease;
}

.kva-totop.is-visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	transition-delay: 0s;
}

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

.kva-totop .kva-icon {
	width: 20px;
	height: 20px;
}

@media (max-width: 849px) {
	.kva-totop {
		display: none;
	}
}

/* Lightbox ảnh ---------------------------------------------------------- */
.kva-lightbox {
	position: fixed;
	inset: 0;
	z-index: 100001;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 56px 72px;
	background: rgba(8, 8, 8, .94);
}

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

.kva-lightbox-open,
.kva-lightbox-open body {
	overflow: hidden;
}

.kva-lightbox__figure {
	display: flex;
	flex-direction: column;
	align-items: center;
	max-width: 100%;
	max-height: 100%;
	margin: 0;
}

.kva-lightbox__img {
	max-width: 100%;
	max-height: calc(100vh - 150px);
	border-radius: 4px;
	object-fit: contain;
	box-shadow: 0 24px 60px rgba(0, 0, 0, .5);
}

.kva-lightbox__caption {
	margin-top: 12px;
	color: #e1e1e1;
	font-size: .9rem;
}

.kva-lightbox__close,
.kva-lightbox__nav {
	position: absolute;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin: 0;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: rgba(255, 255, 255, .1);
	color: #fff;
	line-height: 1;
	transition: background-color .25s ease;
}

.kva-lightbox__close:hover,
.kva-lightbox__nav:hover {
	background: var(--kva-primary);
}

.kva-lightbox__close {
	top: 14px;
	right: 14px;
	width: 44px;
	height: 44px;
	font-size: 1.8rem;
}

.kva-lightbox__nav {
	top: 50%;
	width: 50px;
	height: 50px;
	font-size: 2.2rem;
	transform: translateY(-50%);
}

.kva-lightbox__nav--prev {
	left: 14px;
}

.kva-lightbox__nav--next {
	right: 14px;
}

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

.kva-lightbox__counter {
	position: absolute;
	bottom: 14px;
	left: 50%;
	margin: 0;
	color: #bdbdbd;
	font-size: .85rem;
	transform: translateX(-50%);
}

@media (max-width: 549px) {
	.kva-lightbox {
		padding: 60px 8px;
	}

	.kva-lightbox__nav {
		top: auto;
		bottom: 8px;
		transform: none;
	}
}