/* QC Report page style classes */


/* Page layout customisation */

/* Page wrapper style class */
.qc-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* Page header style class */
.qc-header {
  margin-bottom: 1.5rem;
}

/* Page title style class */
.qc-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

/* Page subtitle style class */
.qc-subtitle {
  font-size: 0.95rem;
  color: #6c757d;
}


/* Step tabs customisation */

/* Tab list style class */
.qc-tabs {
  margin-bottom: 0;
  border-bottom: 2px solid #dee2e6;
}

/* Tab button style class */
.qc-tabs .nav-link {
  font-size: 0.85rem;
  color: #495057;
  padding: 0.5rem 1rem;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

/* Tab button style class during hovering */
.qc-tabs .nav-link:hover {
  color: #0066cc;
  border-bottom-color: #0066cc44;
}

/* Active tab button style class */
.qc-tabs .nav-link.active {
  color: #0066cc;
  font-weight: 600;
  border-bottom: 2px solid #0066cc;
  background: transparent;
}

/* Tab content wrapper style class */
.qc-tab-content {
  padding-top: 1.25rem;
}


/* In-tab jump menu customisation */

/* Jump menu container style class */
.qc-jumpmenu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  padding: 0.5rem 0.75rem;
  background: #f8f9fa;
  border: 1px solid #e0e4e9;
  border-radius: 6px;
}

/* Jump menu link style class */
.qc-jumplink {
  font-size: 0.78rem;
  color: #0066cc;
  text-decoration: none;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: #e9f2ff;
}

/* Jump menu link style class during hovering */
.qc-jumplink:hover {
  background: #d0e6ff;
  color: #004499;
}


/* Section heading customisation (named subsections within a tab) */

/* Section heading style class */
.qc-section-heading {
  font-size: 1rem;
  font-weight: 600;
  color: #343a40;
  margin: 1.5rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid #dee2e6;
}


/* Section labels customisation */

/* Section label style class */
.qc-section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6c757d;
  margin-bottom: 0.75rem;
}

/* Section label top margin style class (when combined figures precede
per-sample section) */
.qc-section-label--top {
  margin-top: 1.5rem;
}

/* Anchor target style class: offset scroll position to clear sticky navbar */
.qc-anchor-target {
  scroll-margin-top: 5rem;
}


/* Thematic row label customisation */

/* Row label style class */
.qc-row-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #0066cc;
  margin: 1rem 0 0.4rem;
}


/* Image grid customisation */

/* Image grid style class */
.qc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  align-items: start;
  row-gap: 0.6rem;
  column-gap: 1.2rem;
  margin-bottom: 0.5rem;
}

/* Smaller image grid style class (used inside accordion per-sample panels) */
.qc-grid--sm {
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
}

/* Image card style class */
.qc-card {
  background: #fff;
  border: 1px solid #e0e4e9;
  border-radius: 6px;
  overflow: hidden;
  cursor: zoom-in;
  transition: box-shadow 0.15s;
  position: relative;
}

/* Image card style class during hovering */
.qc-card:hover {
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
}

/* Image container style class */
.qc-card-img-wrap {
  width: 100%;
  overflow: hidden;
  background: #f8f9fa;
  position: relative;
}

/* Square image container style class (enforced 1:1 crop) */
.qc-card-img-wrap--sq {
  aspect-ratio: 1 / 1;
  width: 100%;
  overflow: hidden;
}

/* Image style class inside card (full width, natural height) */
.qc-card img {
  width: 100%;
  height: auto;
  display: block;
}

/* Image style class inside square container (cover to fill 1:1 box) */
.qc-card-img-wrap--sq img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* Figure title overlay style class (inside image container) */
.qc-card-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  font-size: 0.75rem;
  font-weight: 500;
  color: #fff;
  text-align: center;
  padding: 0.25rem 0.4rem 0.3rem;
  line-height: 1.3;
  background: rgba(20, 20, 20, 0.72);
  pointer-events: none;
  transition: background 0.15s;
}

/* Figure title overlay darkened state on card hover */
.qc-card:hover .qc-card-title {
  background: rgba(20, 20, 20, 0.88);
}

/* Zoom icon base style class (shared by fixed variant) */
.qc-card-zoom-icon {
  position: absolute;
  color: #fff;
  border-radius: 4px;
  padding: 0.2rem 0.35rem;
  line-height: 1;
  pointer-events: none;
}

/* Fixed zoom icon style class (always visible top-right inside img-wrap) */
.qc-card-zoom-icon--fixed {
  top: 0.4rem;
  right: 0.4rem;
  bottom: auto;
  opacity: 0.85;
  background: rgba(20, 20, 20, 0.82);
}

/* Fixed zoom icon (darker on card hover) */
.qc-card:hover .qc-card-zoom-icon--fixed {
  opacity: 1;
}


/* Per-sample accordion customisation */

/* Accordion button style class */
.qc-accordion .accordion-button {
  font-size: 0.82rem;
  padding: 0.5rem 0.75rem;
  background: #f8f9fa;
  color: #343a40;
}

/* Expanded accordion button style class */
.qc-accordion .accordion-button:not(.collapsed) {
  background: #e9f2ff;
  color: #0066cc;
  box-shadow: none;
}

/* Accordion body style class */
.qc-accordion .accordion-body {
  padding: 0.75rem;
  background: #fdfdfd;
}


/* Lightbox customisation */

/* Lightbox overlay style class */
.qc-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  z-index: 9000;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 4rem;
}

/* Hidden lightbox style class */
.qc-lightbox[hidden] {
  display: none;
}

/* Lightbox image style class (fit to screen by default) */
.qc-lb-img {
  max-width: calc(100vw - 8rem);
  max-height: calc(100vh - 6rem);
  width: auto;
  height: auto;
  display: block;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  cursor: zoom-in;
  transition: none;
}

/*Lightbox image intermediate zoom style class (adaptive resolution, set by JS,
scrollable) */
.qc-lb-img--zoomed {
  max-height: none;
  cursor: zoom-in;
  align-self: flex-start;
}

/* Lightbox image full zoom style class (native resolution, scrollable) */
.qc-lb-img--zoomed2 {
  max-width: none;
  max-height: none;
  cursor: zoom-out;
  align-self: flex-start;
}

/* Lightbox close button style class */
.qc-lb-close {
  position: fixed;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.8;
  z-index: 9001;
}

/* Lightbox close button style class during hovering */
.qc-lb-close:hover {
  opacity: 1;
}

/* Lightbox navigation button style class */
.qc-lb-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #fff;
  font-size: 2.5rem;
  line-height: 1;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  border-radius: 4px;
  z-index: 9001;
  opacity: 0.7;
  transition: opacity 0.15s, background 0.15s;
}

/* Lightbox navigation button style class during hovering */
.qc-lb-nav:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.22);
}

/* Previous image button style class */
.qc-lb-prev {
  left: 0.75rem;
}

/* Next image button style class */
.qc-lb-next {
  right: 0.75rem;
}


/* Back to top button customisation */

/* Back to top button style class */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: #0066cc;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 500;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

/* Back to top button visible state style class */
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Back to top button style class during hovering */
.back-to-top:hover {
  background: #0052a3;
}