/**
 * TrustWeb Builder — Slideshow Widget CSS
 *
 * Cấu trúc:
 *   1. Container / Track
 *   2. Slides + Transitions (fade / slide / zoom-fade)
 *   3. Ken Burns Animations
 *   4. Background + Overlay
 *   5. Content (label / title / desc / buttons)
 *   6. Arrows
 *   7. Dots Navigation
 *   8. Progress Bar
 *   9. Thumbnails Navigation
 *  10. Counter
 *  11. Arrows Outside layout
 *  12. Responsive
 *  13. Elementor Editor overrides
 */

/* ═══════════════════════════════════════
   1. CONTAINER / OUTER / TRACK
═══════════════════════════════════════ */

.twb-ss-outer {
	position: relative;
	width: 100%;
}

/* Arrows outside: 3-col grid [prev] [track] [next] */
.twb-ss-outer--arrows-outside {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	gap: 12px;
}
.twb-ss-outer--arrows-outside .twb-ss-track {
	grid-column: 2;
}
.twb-ss-outer--arrows-outside .twb-ss-arrow--prev {
	grid-column: 1;
}
.twb-ss-outer--arrows-outside .twb-ss-arrow--next {
	grid-column: 3;
}

.twb-ss-track {
	position: relative;
	width: 100%;
	min-height: 550px; /* Elementor height selector override */
	overflow: hidden;
	/* GPU layer */
	-webkit-backface-visibility: hidden;
	        backface-visibility: hidden;
}

/* ═══════════════════════════════════════
   2. SLIDES — Base
═══════════════════════════════════════ */

.twb-ss-slide {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	display: flex;
	overflow: hidden;
	/* Mặc định ẩn — chỉ .is-active hiển thị */
	opacity: 0;
	pointer-events: none;
	/* Không dùng visibility:hidden để tránh layout shift */
}

.twb-ss-slide.is-active {
	opacity: 1;
	pointer-events: auto;
	z-index: 2;
}

/* Slide cũ đang exit (dùng cho tất cả transitions để đặt đúng z-index) */
.twb-ss-slide.is-exiting-next,
.twb-ss-slide.is-exiting-prev {
	z-index: 1;
	pointer-events: none;
}

/* ── Transition: FADE ── */
.twb-ss-transition--fade .twb-ss-slide {
	transition: opacity 700ms ease-in-out; /* JS speed override via calc không được → dùng default, JS không override CSS trực tiếp */
	/* Note: transition speed từ PHP không inject trực tiếp vào CSS.
	   Đây là giới hạn chấp nhận được — user có thể tune qua control */
}

/* ── Transition: SLIDE (trượt ngang) ── */
.twb-ss-transition--slide .twb-ss-slide {
	opacity: 1;
	transition: transform 700ms cubic-bezier(0.4, 0, 0.2, 1);
	transform: translateX(0);
}

/* Slide đang vào từ phải (next) */
.twb-ss-transition--slide .twb-ss-slide.is-entering-next {
	transform: translateX(100%);
	z-index: 3; /* trên slide đang exit */
}
/* Slide đang vào từ trái (prev) */
.twb-ss-transition--slide .twb-ss-slide.is-entering-prev {
	transform: translateX(-100%);
	z-index: 3;
}
/* Sau khi active được set, JS remove is-entering → transform về 0 */
.twb-ss-transition--slide .twb-ss-slide.is-active {
	transform: translateX(0);
}
/* Slide đang exit sang trái (next) */
.twb-ss-transition--slide .twb-ss-slide.is-exiting-next {
	transform: translateX(-100%);
}
/* Slide đang exit sang phải (prev) */
.twb-ss-transition--slide .twb-ss-slide.is-exiting-prev {
	transform: translateX(100%);
}

/* ── Transition: ZOOM-FADE ── */
.twb-ss-transition--zoom-fade .twb-ss-slide {
	transition: opacity 700ms ease-in-out, transform 700ms ease-in-out;
	transform: scale(1);
}
.twb-ss-transition--zoom-fade .twb-ss-slide:not(.is-active) {
	transform: scale(1.05);
}
.twb-ss-transition--zoom-fade .twb-ss-slide.is-active {
	transform: scale(1);
}

/* ═══════════════════════════════════════
   3. KEN BURNS ANIMATIONS
═══════════════════════════════════════ */

@keyframes twb-ss-kb-zoom-in {
	from { transform: scale(1); }
	to   { transform: scale(1.12); }
}
@keyframes twb-ss-kb-zoom-out {
	from { transform: scale(1.12); }
	to   { transform: scale(1); }
}
@keyframes twb-ss-kb-pan-right {
	from { transform: scale(1.08) translateX(-3%); }
	to   { transform: scale(1.08) translateX(3%); }
}
@keyframes twb-ss-kb-pan-left {
	from { transform: scale(1.08) translateX(3%); }
	to   { transform: scale(1.08) translateX(-3%); }
}
@keyframes twb-ss-kb-pan-up {
	from { transform: scale(1.08) translateY(3%); }
	to   { transform: scale(1.08) translateY(-3%); }
}
@keyframes twb-ss-kb-pan-down {
	from { transform: scale(1.08) translateY(-3%); }
	to   { transform: scale(1.08) translateY(3%); }
}

/* Ken Burns chỉ chạy trên slide đang active */
.twb-ss-slide.is-active.has-ken-burns--zoom-in   .twb-ss-kb { animation: twb-ss-kb-zoom-in   8s ease-in-out both; }
.twb-ss-slide.is-active.has-ken-burns--zoom-out  .twb-ss-kb { animation: twb-ss-kb-zoom-out  8s ease-in-out both; }
.twb-ss-slide.is-active.has-ken-burns--pan-right .twb-ss-kb { animation: twb-ss-kb-pan-right 10s ease-in-out both; }
.twb-ss-slide.is-active.has-ken-burns--pan-left  .twb-ss-kb { animation: twb-ss-kb-pan-left  10s ease-in-out both; }
.twb-ss-slide.is-active.has-ken-burns--pan-up    .twb-ss-kb { animation: twb-ss-kb-pan-up    10s ease-in-out both; }
.twb-ss-slide.is-active.has-ken-burns--pan-down  .twb-ss-kb { animation: twb-ss-kb-pan-down  10s ease-in-out both; }

/* ═══════════════════════════════════════
   4. BACKGROUND + OVERLAY
═══════════════════════════════════════ */

.twb-ss-bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center center;
	will-change: transform; /* cho Ken Burns */
}

/* Overlay toàn cục — ::after trên .twb-ss-slide */
.twb-ss-slide.has-overlay--color::after,
.twb-ss-slide.has-overlay--gradient::after {
	content: '';
	position: absolute;
	inset: 0;
	z-index: 1;
	pointer-events: none;
}

/* Màu đơn — default, Elementor selector override */
.twb-ss-slide.has-overlay--color::after {
	background: rgba(0, 0, 0, 0.4);
}

/* Gradient đáy lên — default */
.twb-ss-slide.has-overlay--gradient::after {
	background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
}

/* Per-slide overlay (qua CSS variable --ss-slide-overlay) */
.twb-ss-slide[style*="--ss-slide-overlay"]::after {
	background: var(--ss-slide-overlay) !important;
}

/* Slide link full-cover */
.twb-ss-slide-link {
	position: absolute;
	inset: 0;
	z-index: 2;
	display: block;
}

/* ═══════════════════════════════════════
   5. CONTENT — Positioning
═══════════════════════════════════════ */

.twb-ss-content-wrap {
	position: relative;
	z-index: 3; /* trên overlay và slide-link */
	width: 100%;
	display: flex;
	padding: 40px 60px; /* Elementor selector override */
	pointer-events: none; /* cho phép slide-link nhận click */
}

/* Các phần tử con cần nhận pointer events */
.twb-ss-content-wrap .twb-ss-btn,
.twb-ss-content-wrap a {
	pointer-events: auto;
}

/* Vertical position */
.twb-ss-content-pos--top    .twb-ss-content-wrap { align-items: flex-start; }
.twb-ss-content-pos--center .twb-ss-content-wrap { align-items: center; }
.twb-ss-content-pos--bottom .twb-ss-content-wrap { align-items: flex-end; }

/* Để content-wrap fill chiều cao slide */
.twb-ss-content-wrap {
	height: 100%;
}

/* Horizontal alignment */
.twb-ss-content-align--left   .twb-ss-content-wrap { justify-content: flex-start; }
.twb-ss-content-align--center .twb-ss-content-wrap { justify-content: center; }
.twb-ss-content-align--right  .twb-ss-content-wrap { justify-content: flex-end; }

.twb-ss-content-align--left   .twb-ss-content { text-align: left; }
.twb-ss-content-align--center .twb-ss-content { text-align: center; }
.twb-ss-content-align--right  .twb-ss-content { text-align: right; }

.twb-ss-content {
	max-width: 65%; /* Elementor selector override */
}

/* ── Label ── */
.twb-ss-label {
	margin: 0 0 8px;
	color: rgba(255, 255, 255, 0.8);
	font-size: 0.875rem;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

/* ── Title ── */
.twb-ss-title {
	margin: 0 0 16px;
	color: #ffffff;
	font-size: 2.5rem;
	font-weight: 700;
	line-height: 1.2;
}

/* ── Description ── */
.twb-ss-desc {
	margin: 0 0 28px;
	color: rgba(255, 255, 255, 0.85);
	font-size: 1rem;
	line-height: 1.6;
}

/* ── Buttons ── */
.twb-ss-btns {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.twb-ss-content-align--center .twb-ss-btns {
	justify-content: center;
}
.twb-ss-content-align--right .twb-ss-btns {
	justify-content: flex-end;
}

.twb-ss-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 12px 28px;
	font-size: 0.9375rem;
	font-weight: 600;
	text-decoration: none;
	border: 2px solid transparent;
	border-radius: 4px;
	cursor: pointer;
	transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
	white-space: nowrap;
}

.twb-ss-btn--primary {
	background-color: #1a4fd8;
	border-color: #1a4fd8;
	color: #ffffff;
}
.twb-ss-btn--primary:hover {
	opacity: 0.88;
}

.twb-ss-btn--outline {
	background-color: transparent;
	border-color: #ffffff;
	color: #ffffff;
}
.twb-ss-btn--outline:hover {
	background-color: rgba(255, 255, 255, 0.15);
}

.twb-ss-btn--ghost {
	background-color: transparent;
	border-color: transparent;
	color: #ffffff;
	text-decoration: underline;
	text-underline-offset: 3px;
}

/* ═══════════════════════════════════════
   6. ARROWS
═══════════════════════════════════════ */

.twb-ss-arrow {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	background-color: rgba(255, 255, 255, 0.15);
	border: none;
	border-radius: 50%;
	cursor: pointer;
	padding: 0;
	transition: background-color 0.2s ease;
	flex-shrink: 0;
}

.twb-ss-arrow:hover {
	background-color: rgba(255, 255, 255, 0.3);
}

.twb-ss-arrow:disabled {
	opacity: 0.35;
	cursor: not-allowed;
	pointer-events: none;
}

.twb-ss-arrow svg {
	width: 22px;
	height: 22px;
	display: block;
}

.twb-ss-arrow svg path {
	fill: #ffffff;
}

/* ── Arrows Middle (absolute overlay trên track) ── */
.twb-ss-arrows--middle {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	pointer-events: none;
	z-index: 10;
	padding: 0 20px; /* Elementor arrow_offset override */
}
.twb-ss-arrows--middle .twb-ss-arrow {
	pointer-events: auto;
}

/* ── Arrows Bottom (absolute, canh dưới cạnh dots) ── */
.twb-ss-arrows--bottom {
	position: absolute;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 8px;
	z-index: 10;
}

/* Khi có cả arrows-bottom lẫn dots, dịch dots sang giữa */
.twb-ss-track:has(.twb-ss-arrows--bottom) .twb-ss-dots-wrap {
	/* dots luôn render bên trong track, arrows-bottom sẽ đẩy dots xuống thêm */
}

/* ── Arrow absolute position trong track (khi middle) ── */
/* ═══════════════════════════════════════
   7. DOTS NAVIGATION
═══════════════════════════════════════ */

.twb-ss-dots-wrap {
	position: absolute;
	bottom: 20px; /* Elementor dots_bottom_offset override */
	left: 0;
	right: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	z-index: 10;
	padding: 0 16px;
}

.twb-ss-dots {
	display: flex;
	align-items: center;
	gap: 6px;
}

.twb-ss-dot {
	width: 8px;
	height: 8px;
	border-radius: 9999px;
	background-color: rgba(255, 255, 255, 0.5);
	border: none;
	padding: 0;
	cursor: pointer;
	transition: width 0.3s ease, background-color 0.3s ease;
	flex-shrink: 0;
}

.twb-ss-dot.is-active {
	width: 24px; /* pill effect — Elementor dot_active_width override */
	background-color: #ffffff;
}

.twb-ss-dot:focus-visible {
	outline: 2px solid #ffffff;
	outline-offset: 2px;
}

/* ── Counter ── */
.twb-ss-counter {
	color: rgba(255, 255, 255, 0.85);
	font-size: 0.875rem;
	font-weight: 500;
	white-space: nowrap;
}

/* ═══════════════════════════════════════
   8. PROGRESS BAR AUTOPLAY
═══════════════════════════════════════ */

.twb-ss-progress {
	position: absolute;
	left: 0;
	right: 0;
	height: 3px; /* Elementor progress_height override */
	background-color: rgba(255, 255, 255, 0.2);
	z-index: 20; /* trên tất cả */
	overflow: hidden;
}

.twb-ss-progress--top    { top: 0; }
.twb-ss-progress--bottom { bottom: 0; }

@keyframes twb-ss-progress-fill {
	from { transform: scaleX(0); }
	to   { transform: scaleX(1); }
}

.twb-ss-progress-bar {
	height: 100%;
	background-color: #ffffff; /* Elementor progress_fill override */
	transform-origin: left center;
	transform: scaleX(0);
	animation: twb-ss-progress-fill linear forwards;
	animation-duration: 5000ms; /* JS reset via clone trick */
	animation-play-state: running;
}

/* ═══════════════════════════════════════
   9. THUMBNAILS NAVIGATION
═══════════════════════════════════════ */

.twb-ss-thumbs-wrap {
	margin-top: 10px; /* Elementor thumb_spacing override */
	width: 100%;
	overflow-x: auto;
	/* Ẩn scrollbar nhưng vẫn scrollable */
	scrollbar-width: none;
	-ms-overflow-style: none;
}
.twb-ss-thumbs-wrap::-webkit-scrollbar {
	display: none;
}

.twb-ss-thumbs {
	display: flex;
	gap: 8px;
	justify-content: center;
}

.twb-ss-thumb {
	flex-shrink: 0;
	width: 110px;  /* Elementor thumb_width override */
	height: 70px;  /* Elementor thumb_height override */
	border: none;
	padding: 0;
	cursor: pointer;
	border-radius: 4px;
	background-size: cover;
	background-position: center center;
	background-color: #e5e7eb; /* placeholder khi chưa load ảnh */
	overflow: hidden;
	position: relative;
	opacity: 0.5; /* Elementor thumb_opacity override */
	transition: opacity 0.25s ease, outline 0.1s ease;
}

.twb-ss-thumb.is-active {
	opacity: 1;
	outline: 2px solid #1a4fd8; /* Elementor thumb_active_border override */
	outline-offset: 2px;
}

.twb-ss-thumb:hover:not(.is-active) {
	opacity: 0.75;
}

.twb-ss-thumb:focus-visible {
	outline: 2px solid #1a4fd8;
	outline-offset: 2px;
}

.twb-ss-thumb-label {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 4px 6px;
	background: rgba(0,0,0,0.5);
	color: #fff;
	font-size: 0.7rem;
	text-align: center;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ═══════════════════════════════════════
   10. TRANSITION SPEED — CSS Variable Trick
   PHP không thể inject transition-duration vào CSS class,
   nhưng Elementor selectors ghi đè CSS property trực tiếp.
   Approach: dùng CSS variable --ss-speed và apply vào transitions.
═══════════════════════════════════════ */

/* Default speed variables — sẽ bị ghi đè bởi JS inline style nếu cần */
.twb-ss-track {
	--ss-speed: 700ms;
}

/* Apply vào các transitions */
.twb-ss-transition--fade .twb-ss-slide {
	transition-duration: var(--ss-speed);
}
.twb-ss-transition--slide .twb-ss-slide {
	transition-duration: var(--ss-speed);
}
.twb-ss-transition--zoom-fade .twb-ss-slide {
	transition-duration: var(--ss-speed);
}

/* ═══════════════════════════════════════
   11. RESPONSIVE
═══════════════════════════════════════ */

@media ( max-width: 1024px ) {
	.twb-ss-content {
		max-width: 80%;
	}
	.twb-ss-title {
		font-size: 2rem;
	}
	.twb-ss-content-wrap {
		padding: 32px 40px;
	}
}

@media ( max-width: 768px ) {
	.twb-ss-content {
		max-width: 100%;
	}
	.twb-ss-title {
		font-size: 1.5rem;
	}
	.twb-ss-desc {
		font-size: 0.9375rem;
	}
	.twb-ss-content-wrap {
		padding: 24px 20px;
	}
	.twb-ss-thumbs {
		justify-content: flex-start;
	}
	.twb-ss-arrows--middle .twb-ss-arrow {
		width: 36px;
		height: 36px;
	}
	.twb-ss-arrows--middle .twb-ss-arrow--prev { left: 10px; }
	.twb-ss-arrows--middle .twb-ss-arrow--next { right: 10px; }
	/* Ẩn thumbnail label trên mobile để gọn */
	.twb-ss-thumb-label {
		display: none;
	}
	/* Giảm kích thước thumbs */
	.twb-ss-thumb {
		width: 72px;
		height: 48px;
	}
}

/* ═══════════════════════════════════════
   12. ELEMENTOR EDITOR OVERRIDES
   Disable animation trong editor để không làm phiền khi chỉnh sửa
═══════════════════════════════════════ */

.elementor-editor-active .twb-ss-slide.has-ken-burns--zoom-in   .twb-ss-kb,
.elementor-editor-active .twb-ss-slide.has-ken-burns--zoom-out  .twb-ss-kb,
.elementor-editor-active .twb-ss-slide.has-ken-burns--pan-right .twb-ss-kb,
.elementor-editor-active .twb-ss-slide.has-ken-burns--pan-left  .twb-ss-kb,
.elementor-editor-active .twb-ss-slide.has-ken-burns--pan-up    .twb-ss-kb,
.elementor-editor-active .twb-ss-slide.has-ken-burns--pan-down  .twb-ss-kb {
	animation: none !important;
}

/* Trong editor: hiện tất cả slides dạng overlay mờ để user thấy có nhiều slides */
.elementor-editor-active .twb-ss-slide:not(.is-active) {
	/* vẫn ẩn nhưng visible trong editor panel */
}

/* Placeholder khi chưa có slide nào */
.twb-ss-track:empty::before {
	content: 'Slideshow — Thêm slides trong Content panel';
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100%;
	color: #9ca3af;
	font-size: 0.875rem;
	background-color: #f3f4f6;
}