/* =====================================================================
   GDP UI: สไลด์โชว์ แกลเลอรี และ lightbox (แทน layerslider / unitegallery)
   + ส่วนเสริมความเข้ากันได้ Bootstrap 5 กับธีม Porto (สร้างบน Bootstrap 4)
   ===================================================================== */
:root {
	--gdp-primary: #2DC14C;
	--gdp-radius: 10px;
}

/* ---------- Bootstrap 5 compat ---------- */
/* Bootstrap 5 ขีดเส้นใต้ลิงก์ทุกตัว ธีมเดิมไม่ขีด */
a { text-decoration: none; }
a:hover { text-decoration: underline; }
a.btn:hover, .nav a:hover, .thumb-info a:hover, a .thumb-info:hover, #header a:hover, .gdp-slider a:hover, .gdp-gallery a:hover { text-decoration: none; }

/* ตัวแก้ไขข้อความ Quill: CSS ของ Quill ตั้ง .ql-container ให้สูง 100%
   ใน Bootstrap 5 คอลัมน์เป็น flex item ที่มีความสูงแน่นอน กล่องข้อความจึงยืดล้นทับปุ่มบันทึก */
.ql-container.ql-snow { height: auto; }
.ql-container.ql-snow .ql-editor { min-height: 300px; }

/* ---------- Slider ---------- */
.gdp-slider {
	position: relative;
	overflow: hidden;
	border-radius: var(--gdp-radius);
	background: #111;
	margin-bottom: 40px;
}
.gdp-slider-track {
	display: flex;
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	scroll-behavior: smooth;
	scrollbar-width: none;
	-webkit-overflow-scrolling: touch;
	overscroll-behavior-x: contain;
}
.gdp-slider-track::-webkit-scrollbar { display: none; }
.gdp-slide {
	position: relative;
	flex: 0 0 100%;
	scroll-snap-align: start;
	scroll-snap-stop: always;
	aspect-ratio: var(--gdp-ratio, 5 / 3);
	min-height: var(--gdp-min-height, 0);
}
.gdp-slide > a, .gdp-slide > img { display: block; width: 100%; height: 100%; }
.gdp-slide img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.gdp-slide-caption {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	padding: 18px 20px 30px;
	background: linear-gradient(to top, rgba(0,0,0,.85), rgba(0,0,0,.55) 70%, rgba(0,0,0,0));
	color: #fff;
	pointer-events: none;
}
.gdp-slide-title {
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	font-size: 1.6rem;
	line-height: 1.3;
	margin-bottom: 4px;
}
.gdp-slide-date { font-size: 1rem; opacity: .9; }
.gdp-slider-btn {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 2;
	width: 44px;
	height: 44px;
	border: 0;
	border-radius: 50%;
	background: rgba(0,0,0,.45);
	color: #fff;
	font-size: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	opacity: 0;
	transition: opacity .2s, background-color .2s;
}
.gdp-slider:hover .gdp-slider-btn, .gdp-slider-btn:focus-visible { opacity: 1; }
.gdp-slider-btn:hover { background: var(--gdp-primary); }
.gdp-slider-btn:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.gdp-slider-prev { left: 12px; }
.gdp-slider-next { right: 12px; }
.gdp-slider-dots {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 10px;
	z-index: 2;
	display: flex;
	justify-content: center;
	gap: 8px;
}
.gdp-slider-dot {
	width: 12px;
	height: 12px;
	padding: 0;
	border: 2px solid var(--gdp-primary);
	border-radius: 999px;
	background: rgba(255,255,255,.85);
	cursor: pointer;
	transition: width .25s, background-color .25s;
}
.gdp-slider-dot[aria-current="true"] { width: 28px; background: var(--gdp-primary); }
.gdp-slider-dot:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.gdp-slider.is-single .gdp-slider-btn, .gdp-slider.is-single .gdp-slider-dots { display: none; }
/* สไลด์แบนเนอร์ด้านบน (เดิม unitegallery slider) */
.gdp-slider-banner { border-radius: 0; margin-bottom: 0; background: transparent; }
@media (hover: none) {
	.gdp-slider-btn { opacity: .85; }
}
@media (max-width: 575.98px) {
	.gdp-slide-caption { padding: 12px 14px 26px; }
	.gdp-slide-title { font-size: 1.1rem; }
	.gdp-slide-date { font-size: .85rem; }
	.gdp-slider-btn { width: 36px; height: 36px; font-size: 15px; }
}

/* ---------- Gallery ---------- */
.gdp-gallery {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(var(--gdp-tile, 240px), 100%), 1fr));
	gap: 10px;
	margin: 0 auto;
}
/* แกลเลอรีแบบจำนวนคอลัมน์คงที่: 4 คอลัมน์บนจอคอม, 3 บนแท็บเล็ต, 2 บนมือถือ */
.gdp-gallery.gdp-gallery-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 991.98px) {
	.gdp-gallery.gdp-gallery-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 575.98px) {
	.gdp-gallery.gdp-gallery-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
}
.gdp-gallery-item {
	position: relative;
	display: block;
	overflow: hidden;
	border-radius: 8px;
	aspect-ratio: var(--gdp-tile-ratio, 4 / 3);
	background: #eee;
}
.gdp-gallery-item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform .35s ease;
}
.gdp-gallery-item::after {
	content: "\f00e";
	font-family: "Font Awesome 6 Free";
	font-weight: 900;
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 26px;
	color: #fff;
	background: rgba(0,0,0,.45);
	opacity: 0;
	transition: opacity .25s;
}
.gdp-gallery-item:hover img, .gdp-gallery-item:focus-visible img { transform: scale(1.06); }
.gdp-gallery-item:hover::after, .gdp-gallery-item:focus-visible::after { opacity: 1; }
.gdp-gallery-item:focus-visible { outline: 3px solid var(--gdp-primary); outline-offset: 2px; }

/* ---------- Lightbox ---------- */
.gdp-lightbox {
	width: 100vw;
	height: 100vh;
	height: 100dvh;
	max-width: none;
	max-height: none;
	margin: 0;
	padding: 0;
	border: 0;
	background: transparent;
	color: #fff;
	overflow: hidden;
}
.gdp-lightbox::backdrop { background: rgba(0,0,0,.88); }
.gdp-lightbox-stage {
	position: absolute;
	inset: 56px 64px;
	display: flex;
	align-items: center;
	justify-content: center;
	touch-action: pan-y;
}
.gdp-lightbox-img {
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
	border-radius: 6px;
	box-shadow: 0 10px 40px rgba(0,0,0,.5);
	user-select: none;
	-webkit-user-drag: none;
	transition: opacity .2s;
}
.gdp-lightbox.is-loading .gdp-lightbox-img { opacity: .3; }
.gdp-lightbox-btn {
	position: absolute;
	z-index: 2;
	width: 48px;
	height: 48px;
	border: 0;
	border-radius: 50%;
	background: rgba(255,255,255,.12);
	color: #fff;
	font-size: 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background-color .2s;
}
.gdp-lightbox-btn:hover { background: var(--gdp-primary); }
.gdp-lightbox-btn:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.gdp-lightbox-close { top: 8px; right: 8px; }
.gdp-lightbox-prev { left: 8px; top: 50%; transform: translateY(-50%); }
.gdp-lightbox-next { right: 8px; top: 50%; transform: translateY(-50%); }
.gdp-lightbox-count {
	position: absolute;
	top: 18px;
	left: 0;
	right: 0;
	text-align: center;
	font-size: 14px;
	opacity: .85;
	pointer-events: none;
}
.gdp-lightbox.is-single .gdp-lightbox-prev, .gdp-lightbox.is-single .gdp-lightbox-next, .gdp-lightbox.is-single .gdp-lightbox-count { display: none; }
@media (max-width: 575.98px) {
	.gdp-lightbox-stage { inset: 56px 8px 72px; }
	.gdp-lightbox-prev, .gdp-lightbox-next { top: auto; bottom: 12px; transform: none; }
	.gdp-lightbox-prev { left: calc(50% - 60px); }
	.gdp-lightbox-next { right: calc(50% - 60px); }
}

@media (prefers-reduced-motion: reduce) {
	.gdp-slider-track { scroll-behavior: auto; }
	.gdp-gallery-item img, .gdp-slider-dot, .gdp-lightbox-img { transition: none; }
}