/**
 * Riverstone International School - Modern Lightbox & Gallery Styles
 * Premium glassmorphism design with responsive controls
 */

/* ==========================================================================
   Gallery Grid Enhancements on Page
   ========================================================================== */
.ris-gallery-card {
  position: relative;
  border-radius: var(--ris-radius-md, 12px);
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--ris-border, #e2e8f0);
  box-shadow: 0 2px 8px rgba(1, 51, 122, 0.06);
  transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
  cursor: pointer;
  height: 100%;
}

.ris-gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px -6px rgba(1, 51, 122, 0.18);
  border-color: rgba(10, 189, 255, 0.5);
}

.ris-gallery-thumb-wrap {
  position: relative;
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: #0b172d;
}

.ris-gallery-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: block;
}

.ris-gallery-card:hover .ris-gallery-thumb-wrap img {
  transform: scale(1.08);
}

.ris-gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(1, 51, 122, 0.1) 0%, rgba(1, 51, 122, 0.75) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.ris-gallery-card:hover .ris-gallery-overlay {
  opacity: 1;
}

.ris-gallery-badge {
  background: rgba(255, 255, 255, 0.95);
  color: var(--ris-primary, #01337a);
  font-family: var(--ris-font-body, 'Poppins', sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transform: translateY(10px);
  transition: transform 0.3s ease;
}

.ris-gallery-card:hover .ris-gallery-badge {
  transform: translateY(0);
}

.ris-gallery-badge i {
  font-size: 1rem;
  color: var(--ris-cyan, #0abdff);
}

/* Header & Album Info above gallery grid */
.ris-gallery-header-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(1, 51, 122, 0.04) 0%, rgba(10, 189, 255, 0.08) 100%);
  border: 1px solid rgba(10, 189, 255, 0.2);
  border-radius: var(--ris-radius-md, 12px);
  margin-bottom: 24px;
}

.ris-gallery-header-info h2 {
  font-size: 1.25rem;
  color: var(--ris-primary, #01337a);
  font-weight: 700;
  margin: 0 0 4px;
  font-family: var(--ris-font-heading, 'Outfit', sans-serif);
}

.ris-gallery-header-info p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ris-text-muted, #64748b);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   Modern Lightbox Overlay & Modal
   ========================================================================== */
.ris-lightbox {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  user-select: none;
  font-family: var(--ris-font-body, 'Poppins', sans-serif);
}

.ris-lightbox.ris-lb-active {
  display: flex;
  flex-direction: column;
  opacity: 1;
}

.ris-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 14, 30, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1;
}

.ris-lightbox-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Toolbar */
.ris-lightbox-toolbar {
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(6, 14, 30, 0.8) 0%, rgba(6, 14, 30, 0) 100%);
  flex-shrink: 0;
}

.ris-lightbox-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.ris-lightbox-tag {
  background: rgba(10, 189, 255, 0.16);
  color: #0abdff;
  border: 1px solid rgba(10, 189, 255, 0.35);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.ris-lightbox-title {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--ris-font-heading, 'Outfit', sans-serif);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}

.ris-lightbox-counter {
  background: rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  white-space: nowrap;
}

.ris-lightbox-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ris-lb-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  text-decoration: none;
}

.ris-lb-btn:hover {
  background: rgba(10, 189, 255, 0.25);
  border-color: #0abdff;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(10, 189, 255, 0.4);
}

.ris-lb-btn.ris-lb-close:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: #ef4444;
  color: #ffffff;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

/* Stage & Main Image */
.ris-lightbox-stage {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 80px;
  overflow: hidden;
  min-height: 0;
}

.ris-lightbox-media {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.ris-lightbox-img {
  max-width: 100%;
  max-height: calc(100vh - 180px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.12);
  transition: opacity 0.25s ease, transform 0.25s ease;
  cursor: zoom-in;
}

.ris-lightbox-media.is-zoomed {
  cursor: grab;
}

.ris-lightbox-media.is-zoomed .ris-lightbox-img {
  transform: scale(1.65);
  cursor: zoom-out;
}

/* Spinner Loader */
.ris-lb-loader {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(6, 14, 30, 0.4);
  border-radius: 10px;
  z-index: 3;
}

.ris-lb-loader.active {
  display: flex;
}

.ris-lb-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(10, 189, 255, 0.2);
  border-top-color: #0abdff;
  border-radius: 50%;
  animation: risLbSpin 0.8s linear infinite;
}

@keyframes risLbSpin {
  to { transform: rotate(360deg); }
}

/* Navigation Buttons (Prev / Next) */
.ris-lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.ris-lb-prev {
  left: 20px;
}

.ris-lb-next {
  right: 20px;
}

.ris-lb-nav:hover {
  background: var(--ris-cyan, #0abdff);
  border-color: var(--ris-cyan, #0abdff);
  color: #01337a;
  box-shadow: 0 0 25px rgba(10, 189, 255, 0.6);
  transform: translateY(-50%) scale(1.08);
}

.ris-lb-nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* Thumbnail Strip at Bottom */
.ris-lightbox-strip-wrapper {
  position: relative;
  height: 84px;
  background: rgba(4, 10, 22, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  padding: 0 48px;
  flex-shrink: 0;
}

.ris-lightbox-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  width: 100%;
  height: 100%;
  padding: 10px 0;
  scrollbar-width: none; /* Firefox */
}

.ris-lightbox-strip::-webkit-scrollbar {
  display: none; /* Chrome, Safari */
}

.ris-strip-item {
  flex: 0 0 68px;
  height: 52px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.5;
  transition: all 0.2s ease;
  background: #000;
}

.ris-strip-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ris-strip-item:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.ris-strip-item.active {
  opacity: 1;
  border-color: var(--ris-cyan, #0abdff);
  box-shadow: 0 0 14px rgba(10, 189, 255, 0.6);
  transform: scale(1.06);
}

.ris-strip-scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.ris-strip-scroll-btn.ris-strip-left {
  left: 8px;
}

.ris-strip-scroll-btn.ris-strip-right {
  right: 8px;
}

.ris-strip-scroll-btn:hover {
  background: var(--ris-cyan, #0abdff);
  color: #01337a;
  border-color: var(--ris-cyan, #0abdff);
}

/* ==========================================================================
   Global Mobile Overflow Shield & Reset
   ========================================================================== */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw !important;
  width: 100% !important;
  position: relative;
}

*, *::before, *::after {
  box-sizing: border-box;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 991px) {
  .ris-lightbox-stage {
    padding: 10px 60px;
  }
  .ris-lb-nav {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }
  .ris-lb-prev { left: 10px; }
  .ris-lb-next { right: 10px; }
  .ris-gallery-thumb-wrap { height: 130px; }
}

@media (max-width: 767px) {
  /* Prevent Header Area Overflow */
  .top-header-area {
    padding: 8px 10px !important;
    overflow: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
  }
  .top-header-wrapper {
    flex-direction: column !important;
    align-items: center !important;
    gap: 6px !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  .top-header-area .header-left-content,
  .top-header-area .header-right-content {
    width: 100% !important;
    max-width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
    display: flex !important;
  }
  .top-header-marquee {
    max-width: 100% !important;
    width: 100% !important;
  }
  .top-header-btn {
    font-size: 0.8rem !important;
    padding: 5px 14px !important;
    margin-top: 2px !important;
  }

  /* Page Banner on Mobile */
  .page-banner-area {
    padding: 40px 0 35px 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
  }
  .page-banner-content h1 {
    font-size: 1.65rem !important;
    line-height: 1.25 !important;
    margin-bottom: 6px !important;
    word-break: break-word !important;
  }
  .page-banner-content ul {
    font-size: 0.825rem !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    justify-content: center !important;
  }

  /* Events area padding */
  .events-area {
    padding-top: 25px !important;
    padding-bottom: 40px !important;
  }

  /* Lightbox Controls on Mobile */
  .ris-lightbox-toolbar {
    height: 54px;
    padding: 0 12px;
  }
  .ris-lightbox-tag {
    display: none;
  }
  .ris-lightbox-title {
    max-width: 160px;
    font-size: 0.85rem;
  }
  .ris-lightbox-stage {
    padding: 10px 10px;
  }
  .ris-lightbox-img {
    max-height: calc(100vh - 160px);
  }
  .ris-lb-nav {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    background: rgba(6, 14, 30, 0.7);
  }
  .ris-lb-prev { left: 6px; }
  .ris-lb-next { right: 6px; }
  .ris-lightbox-strip-wrapper {
    height: 68px;
    padding: 0 36px;
  }
  .ris-strip-item {
    flex: 0 0 54px;
    height: 42px;
  }
  .ris-strip-scroll-btn {
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
  }
  .ris-strip-scroll-btn.ris-strip-left { left: 4px; }
  .ris-strip-scroll-btn.ris-strip-right { right: 4px; }

  /* Gallery Card Mobile Fit */
  .ris-inner-content-card {
    padding: 16px 12px !important;
    border-radius: 14px !important;
    margin-bottom: 20px !important;
  }
  .ris-gallery-thumb-wrap {
    height: 110px !important;
  }
  .ris-gallery-card {
    border-radius: 8px !important;
  }
  .ris-gallery-badge {
    padding: 4px 8px !important;
    font-size: 0.7rem !important;
  }

  /* Compact 2-column Grid */
  #risGalleryGrid.row {
    margin-left: -5px !important;
    margin-right: -5px !important;
  }
  #risGalleryGrid .galleryItem {
    padding-left: 5px !important;
    padding-right: 5px !important;
  }

  /* Action Buttons */
  .ris-inner-content-card .d-flex.flex-wrap {
    gap: 8px !important;
    margin-bottom: 16px !important;
  }
  .ris-inner-content-card .ris-btn-primary {
    font-size: 0.8rem !important;
    padding: 6px 14px !important;
    white-space: normal !important;
    text-align: center !important;
    flex: 1 1 auto !important;
    justify-content: center !important;
  }

  /* Album header */
  .ris-gallery-header-box {
    padding: 12px 14px !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 8px !important;
    margin-bottom: 16px !important;
  }
  .ris-gallery-header-info h2 {
    font-size: 1.05rem !important;
    line-height: 1.3 !important;
  }
  .ris-gallery-header-info p {
    font-size: 0.78rem !important;
  }

  /* Categories Sidebar */
  .ris-cat-box {
    padding: 8px 10px !important;
    gap: 10px !important;
    margin-bottom: 10px !important;
  }
  .ris-cat-thumb {
    width: 54px !important;
    height: 48px !important;
  }
  .ris-cat-box h4 {
    font-size: 0.85rem !important;
    word-break: break-word !important;
    line-height: 1.35 !important;
  }

  /* Pagination Bar */
  .ris-pagination-card {
    flex-direction: column !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .ris-pager-links {
    flex-wrap: wrap !important;
    justify-content: center !important;
    width: 100% !important;
    gap: 4px !important;
  }
  .ris-pager-links a,
  .ris-pager-links span {
    padding: 5px 10px !important;
    font-size: 0.78rem !important;
    min-width: 52px !important;
    text-align: center !important;
  }
}

/* Extra Small Phones (down to 320px) */
@media (max-width: 575px) {
  /* Prevent MeanMenu navbar bar overflow and logo overlap */
  .mean-container .mean-bar {
    padding: 8px 12px !important;
    min-height: 52px !important;
    box-sizing: border-box !important;
    width: 100% !important;
  }
  .mobile-responsive-nav .mobile-responsive-menu .logo {
    max-width: 140px !important;
    margin: 0 !important;
  }
  .ris-mobile-logo-pill {
    padding: 3px 8px !important;
    max-width: 140px !important;
  }
  .ris-mobile-logo-pill img {
    height: 28px !important;
    max-width: 120px !important;
  }
  .mean-container a.meanmenu-reveal {
    right: 12px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    margin-top: 0 !important;
    padding: 6px 8px !important;
  }

  /* Content card */
  .ris-inner-content-card {
    padding: 14px 10px !important;
    border-radius: 12px !important;
  }
  .ris-gallery-thumb-wrap {
    height: 100px !important;
  }
  #risGalleryGrid.row {
    margin-left: -4px !important;
    margin-right: -4px !important;
  }
  #risGalleryGrid .galleryItem {
    padding-left: 4px !important;
    padding-right: 4px !important;
  }
  .page-banner-content h1 {
    font-size: 1.45rem !important;
  }
}