/**
 * Frontend Styles for Webtop Responsive Slider
 *
 * @package WebtopResponsiveSlider
 */

/* Container chính của Slider */
.wt-slider-container {
  position: relative;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

/* Đảm bảo tất cả các element bên trong dùng border-box */
.wt-slider-container *,
.wt-slider-container *::before,
.wt-slider-container *::after {
  box-sizing: border-box;
}

/* Wrapper chứa track */
.wt-slider-wrapper {
  overflow: hidden;
  width: 100%;
  position: relative;
}

/* Track trượt chứa các slide */
.wt-slider-track {
  display: flex;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  width: 100%;
  will-change: transform;
}

/* Slide item riêng lẻ */
.wt-slide-item {
  flex-shrink: 0;
  width: calc(100% / var(--wt-mobile-items, 1));
  padding: 0 10px; /* Khoảng cách giữa các slide */
}

/* Responsive số cột bằng CSS variables truyền từ PHP */
@media (min-width: 768px) {
  .wt-slide-item {
    width: calc(100% / var(--wt-tablet-items, 2));
  }
}

@media (min-width: 1024px) {
  .wt-slide-item {
    width: calc(100% / var(--wt-desktop-items, 3));
  }
}

/* Nội dung của từng Slide */
.wt-slide-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none !important;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  border-radius: 2px;
  overflow: hidden;
}

.wt-slide-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

/* Wrapper ảnh */
.wt-slide-image-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.wt-slide-image-wrapper img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.wt-slide-content:hover .wt-slide-image-wrapper img {
  transform: scale(1.05);
}

/* Wrapper tiêu đề dưới ảnh */
.wt-slide-caption-wrapper {
  background-color: #224229; /* Màu xanh lá đậm forest-green theo mẫu thiết kế */
  padding: 16px 12px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.wt-slide-caption {
  color: #ffffff;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Nút Điều Hướng (Prev / Next Buttons) ────────────────────────────────── */
.wt-slider-btn {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.05),
    0 2px 4px -1px rgba(0, 0, 0, 0.03);
  color: #4a5568;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.25s ease;
  padding: 0;
  outline: none;
}

.wt-slider-btn:hover {
  background-color: #f7fafc;
  color: #1a202c;
  border-color: #cbd5e0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.wt-slider-btn svg {
  display: block;
  transition: transform 0.2s ease;
}

.wt-slider-btn.wt-slider-prev:hover svg {
  transform: translateX(-2px);
}

.wt-slider-btn.wt-slider-next:hover svg {
  transform: translateX(2px);
}

/* Định vị nút theo cấu hình "Center 2 bên" (side) */
.wt-nav-side.wt-nav-placement-outside {
  padding-left: 50px;
  padding-right: 50px;
}

.wt-nav-side.wt-nav-placement-outside .wt-slider-btn {
  top: 50%;
  transform: translateY(-50%);
}

.wt-nav-side.wt-nav-placement-outside .wt-slider-prev {
  left: 3px;
}

.wt-nav-side.wt-nav-placement-outside .wt-slider-next {
  right: 3px;
}

.wt-nav-side.wt-nav-placement-inside {
  padding-left: 0;
  padding-right: 0;
}

.wt-nav-side.wt-nav-placement-inside .wt-slider-btn {
  top: 50%;
  transform: translateY(-50%);
}

.wt-nav-side.wt-nav-placement-inside .wt-slider-prev {
  left: -22px;
}

.wt-nav-side.wt-nav-placement-inside .wt-slider-next {
  right: -22px;
}

/* Fallback tương thích ngược nếu không có class placement */
.wt-nav-side:not(.wt-nav-placement-outside):not(.wt-nav-placement-inside) {
  padding-left: 25px;
  padding-right: 25px;
}
.wt-nav-side:not(.wt-nav-placement-outside):not(.wt-nav-placement-inside) .wt-slider-btn {
  top: 50%;
  transform: translateY(-50%);
}
.wt-nav-side:not(.wt-nav-placement-outside):not(.wt-nav-placement-inside) .wt-slider-prev {
  left: -22px;
}
.wt-nav-side:not(.wt-nav-placement-outside):not(.wt-nav-placement-inside) .wt-slider-next {
  right: -22px;
}

/* Điều chỉnh vị trí nút trên di động/màn hình nhỏ đối với kiểu side */
@media (max-width: 1024px) {
  .wt-nav-side.wt-nav-placement-outside,
  .wt-nav-side.wt-nav-placement-inside,
  .wt-nav-side:not(.wt-nav-placement-outside):not(.wt-nav-placement-inside) {
    padding-left: 0;
    padding-right: 0;
  }
  .wt-nav-side.wt-nav-placement-outside .wt-slider-prev,
  .wt-nav-side.wt-nav-placement-inside .wt-slider-prev,
  .wt-nav-side:not(.wt-nav-placement-outside):not(.wt-nav-placement-inside) .wt-slider-prev {
    left: 8px;
  }
  .wt-nav-side.wt-nav-placement-outside .wt-slider-next,
  .wt-nav-side.wt-nav-placement-inside .wt-slider-next,
  .wt-nav-side:not(.wt-nav-placement-outside):not(.wt-nav-placement-inside) .wt-slider-next {
    right: 8px;
  }
}

/* Định vị nút theo cấu hình "Center bottom" (bottom) */
.wt-nav-bottom {
  margin-bottom: 65px; /* Tạo khoảng trống phía dưới cho nút điều hướng */
}

.wt-nav-bottom .wt-slider-btn {
  bottom: -55px;
  top: auto;
}

.wt-nav-bottom .wt-slider-prev {
  left: 50%;
  transform: translateX(-50px);
}

.wt-nav-bottom .wt-slider-next {
  left: 50%;
  transform: translateX(6px);
}

/* Vô hiệu hóa nút khi không lặp và đã ở điểm đầu/cuối */
.wt-slider-btn:disabled,
.wt-slider-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.wt-slider-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  overflow: hidden;
}

.wt-slider-lightbox.active {
  opacity: 1;
  visibility: visible;
}

/* Zoom khi hover → đơn giản chỉ thay cursor; hiệu ứng transform nằm trên ảnh */
.wt-slider-lightbox.zoomed {
  overflow: visible;
  cursor: default;
}

.wt-slider-lightbox.zoomed .wt-slider-lightbox-content {
  /* Cho phép ảnh scale ra ngoài khỏi container */
  overflow: visible;
}

.wt-slider-lightbox-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.wt-slider-lightbox.active .wt-slider-lightbox-content {
  transform: scale(1);
}

.wt-slider-lightbox-img {
  display: block;
  max-width: 85vw;
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  user-select: none;
  border: 3px solid rgba(255, 255, 255, 0.8);
  background-color: #000;
  cursor: zoom-in;
  transform-origin: center center;
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Hover zoom: scale ảnh lên 1.5x, không thay đổi layout */
.wt-slider-lightbox.zoomed .wt-slider-lightbox-img {
  transform: scale(1.55);
  cursor: zoom-out;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
}

.wt-slider-lightbox-close {
  /* Luôn cố định góc trên phải, không bị ảnh hưởng bởi scroll */
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  cursor: pointer;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  z-index: 1000001;
  padding: 0;
}

.wt-slider-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1) rotate(90deg);
}

.wt-slider-lightbox-close svg {
  display: block;
  pointer-events: none;
}

.wt-slider-lightbox-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  /* Nền trắng mờ đủ đậm để thấy rõ trên mọi màu ảnh */
  background: rgba(255, 255, 255, 0.25);
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #ffffff;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 1000000;
  outline: none;
  padding: 0;
  /* Drop shadow để nút nổi lên dù nền sáng hay tối */
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.wt-slider-lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.45);
  border-color: #ffffff;
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.wt-slider-lightbox-btn svg {
  display: block;
  /* Stroke đậm hơn để mũi tên rõ nét */
  stroke-width: 3;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.8));
}

.wt-slider-lightbox-prev {
  left: 20px;
}

.wt-slider-lightbox-next {
  right: 20px;
}

.wt-slider-lightbox-caption {
  color: #f3f4f6;
  font-size: 16px;
  font-weight: 600;
  margin-top: 18px;
  text-align: center;
  max-width: 90%;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (max-width: 768px) {
  .wt-slider-lightbox-prev {
    left: 15px;
  }
  .wt-slider-lightbox-next {
    right: 15px;
  }
  .wt-slider-lightbox-btn {
    width: 40px;
    height: 40px;
  }
  .wt-slider-lightbox-close {
    top: 12px;
    right: 12px;
    width: 38px;
    height: 38px;
  }
  .wt-slider-lightbox-img {
    max-height: 65vh;
  }
}