/* ART — mosaic gallery (/art/) and individual artwork records (/art/<slug>/).
 * Loaded by base.html after the shared prose/component styles. */

/* ------------------------------------------------------------------ *
 * Gallery mosaic                                                      *
 * ------------------------------------------------------------------ *
 * A magazine-style grid laid out by static/js/art.js: the container is a
 * CSS grid (columns/rows sized inline) and each artwork occupies one or
 * more cells according to its aspect ratio, back-filled densely so no
 * neat column or row lines read. Images fill their cell edge to edge (no
 * letterbox gaps inside the frame); the frame is a few pixels. */

.art-masonry {
  box-sizing: border-box;
}

/* Hide the gallery until the script has sized its grid cells, so captions
 * never render floating before their panels are placed. */
.art-masonry:not(.art-masonry--ready) {
  visibility: hidden;
}

.art-figure {
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0;
}

/* Artworks flagged `wide` in the JSON span the whole grid as a band. */
.art-figure--wide {
  margin: 0;
}

.art-link {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  text-decoration: none;
  color: inherit;
}

.art-img {
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 3px double var(--border-color);
  background: var(--paper-texture-subtle);
  transition: border-color 0.2s ease;
}

.art-link:hover .art-img {
  border-color: var(--burgundy);
}

/* Artwork titles are pinned as corner badges on their figure, in the same
 * editorial style as the ULTIMUS FOLIO badge on the writings catalog. */
.art-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  background: var(--burgundy);
  color: #fff;
  font-family: var(--font-headers);
  font-size: 1.2rem;
  font-weight: 600;
  padding: 2px 8px;
  letter-spacing: 1px;
  transition: background-color 0.2s ease;
  pointer-events: none;
}

.art-empty {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-subtle);
}

/* ------------------------------------------------------------------ *
 * Artwork record                                                      *
 * ------------------------------------------------------------------ */

.artwork-back {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  background-color: var(--burgundy);
  border: 2px solid var(--burgundy);
  color: var(--badge-text);
  padding: 2px 8px;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.artwork-back:hover {
  color: var(--text-color);
  background-color: var(--burgundy-hover);
  border: 2px solid var(--text-color);
}

.artwork-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.artwork-download {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  background-color: var(--burgundy);
  border: 2px solid var(--burgundy);
  color: var(--badge-text);
  padding: 2px 8px;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.artwork-download:hover {
  color: var(--text-color);
  background-color: var(--burgundy-hover);
  border: 2px solid var(--text-color);
}

.artwork-figure {
  margin: 0;
  text-align: center;
}

.artwork-img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border: 3px double var(--border-color);
  background: var(--paper-texture-subtle);
  cursor: url("../../images/icons/mag-9e1426.png") 14 14, zoom-in;
}

.artwork-header h1 {
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 2.2rem;
  color: var(--burgundy);
  line-height: 1.2;
  padding-bottom: 8px;
  padding-top: 8px;
  margin: 12px 0 12px;
}

.artwork-history {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-color);
  white-space: pre-line;
  margin: 0 0 1.5rem;
}

.artwork-meta {
  margin: 1.5rem 0 0;
  border-top: 1px dashed var(--light-border);
}

.artwork-meta-row {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--light-border);
}

.artwork-meta dt {
  flex: 0 0 9rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--burgundy);
}

.artwork-meta dd {
  margin: 0;
  font-family: var(--font-serif);
  color: var(--text-color);
  overflow-wrap: anywhere;
}

/* Prev/next artwork navigation — bordered panels anchored to each side, in
 * the editorial style of the site (paper background, faint frame, uppercase
 * micro-label, serif title, chevron arrows); the earliest/latest artwork
 * disables the corresponding arrow instead of wrapping around. */
.artwork-nav {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 20px;
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--light-border);
}

.art-nav-prev,
.art-nav-next {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 50%;
  padding: 2px 10px;
  text-decoration: none;
  color: var(--text-color);
  font-family: var(--font-serif);
  border: 1px solid var(--light-border);
  background: var(--paper-texture-subtle);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.art-nav-next {
  margin-left: auto;
  justify-content: flex-end;
  text-align: right;
}

.art-nav-prev:hover,
.art-nav-next:hover {
  color: var(--burgundy);
  border-color: var(--burgundy);
}

.art-nav-arrow {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  color: inherit;
}

.art-nav-arrow svg {
  display: block;
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.art-nav-prev:hover .art-nav-arrow svg {
  transform: translateX(-2px);
}

.art-nav-next:hover .art-nav-arrow svg {
  transform: translateX(2px);
}

.art-nav-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.art-nav-label {
  font-weight: 600;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 2px;
}

.art-nav-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
  font-size: 0.95rem;
  color: inherit;
}

.art-nav-prev.is-disabled,
.art-nav-next.is-disabled {
  color: var(--light-border);
  border-color: var(--light-border);
  cursor: default;
  pointer-events: none;
}

.art-nav-prev.is-disabled .art-nav-label,
.art-nav-next.is-disabled .art-nav-label {
  color: var(--light-border);
}

@media (max-width: 805px) {

  .art-nav-prev,
  .art-nav-next {
    max-width: 48%;
  }
}

/* ------------------------------------------------------------------ *
 * Artwork image carousel                                               *
 * ------------------------------------------------------------------ *
 * Shown on artwork pages whose record lists more than one image; a
 * single-image artwork keeps the plain .artwork-figure above. The
 * container's aspect ratio is set from the first slide (before its
 * dimensions are known the grid rows stay stable), slides share one
 * track translated by 100% per step, arrows/dots/counter are hidden
 * logically when only one image exists (template omits them). */

.artwork-carousel {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 3px double var(--border-color);
  background: var(--paper-texture-subtle);
}

.artwork-carousel-track {
  display: flex;
  height: 100%;
  transition: transform 0.35s ease;
  will-change: transform;
}

.artwork-carousel-slide {
  flex: 0 0 100%;
  min-width: 0;
  height: 100%;
  cursor: url("../../images/icons/mag-9e1426.png") 14 14, zoom-in;
}

.artwork-carousel-img {
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.artwork-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-color);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.artwork-carousel-btn.is-prev {
  left: 8px;
}

.artwork-carousel-btn.is-next {
  right: 8px;
}

.artwork-carousel-btn:hover,
.artwork-carousel-btn:focus-visible {
  border-color: var(--burgundy);
  color: var(--burgundy);
}

/* Chevron hover nudge, matching the artwork prev/next navigation panels. */
.artwork-carousel-btn.is-prev:hover .art-nav-arrow svg {
  transform: translateX(-2px);
}

.artwork-carousel-btn.is-next:hover .art-nav-arrow svg {
  transform: translateX(2px);
}

/* The `[hidden]` attribute must win over the control's display so arrows
 * can be removed at either end of the gallery. */
.artwork-carousel-btn[hidden],
.artwork-lightbox-btn[hidden] {
  display: none;
}

.artwork-carousel-btn .art-nav-arrow svg {
  display: block;
  width: 20px;
  height: 20px;
}

.artwork-carousel-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 8px;
  padding: 4px 8px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
}

.artwork-carousel-dot {
  width: 10px;
  height: 10px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.artwork-carousel-dot:hover {
  border-color: var(--burgundy);
}

.artwork-carousel-dot.is-active {
  background: var(--burgundy);
  border-color: var(--burgundy);
}

.artwork-carousel-counter {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--text-color);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
}

@media (prefers-reduced-motion: reduce) {
  .artwork-carousel-track {
    transition: none;
  }
}

/* ------------------------------------------------------------------ *
 * Fullscreen lightbox                                                  *
 * ------------------------------------------------------------------ *
 * Opened by clicking a carousel slide (see artwork-carousel.js). The
 * page behind is dimmed and blurred; the image is letterboxed
 * (object-fit: contain) so it fills the viewport as far as its own
 * aspect ratio allows without cropping anything. */

.artwork-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 9, 0.8);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.artwork-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.artwork-lightbox-img {
  display: block;
  box-sizing: border-box;
  max-width: calc(100vw - 96px);
  max-height: calc(100vh - 96px);
  max-height: calc(100dvh - 96px);
  width: auto;
  height: auto;
  object-fit: contain;
  cursor: url("../../images/icons/mag-9e1426.png") 14 14, zoom-in;
}

body.dark-mode .artwork-img,
body.dark-mode .artwork-carousel-slide,
body.dark-mode .artwork-lightbox-img {
  cursor: url("../../images/icons/mag-b32438.png") 14 14, zoom-in;
}

.artwork-lightbox-btn {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-color);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.artwork-lightbox-btn svg {
  display: block;
  width: 24px;
  height: 24px;
  transition: transform 0.2s ease;
}

.artwork-lightbox-btn:hover,
.artwork-lightbox-btn:focus-visible {
  border-color: var(--burgundy);
  color: var(--burgundy);
}

/* Chevron hover nudge, matching the artwork prev/next navigation panels. */
.artwork-lightbox-btn.is-prev:hover svg {
  transform: translateX(-2px);
}

.artwork-lightbox-btn.is-next:hover svg {
  transform: translateX(2px);
}

.artwork-lightbox-btn.is-close {
  top: 12px;
  right: 12px;
}

.artwork-lightbox-btn.is-prev {
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
}

.artwork-lightbox-btn.is-next {
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
}

@media (prefers-reduced-motion: reduce) {
  .artwork-lightbox {
    transition: none;
  }
}