:root {
  --wall: #ffffff;
  --wall-shadow: #fbfbfb;
  --ink: #121212;
  --ink-soft: #434343;
  --frame: #080808;
  --mat: #ffffff;
  --line: rgba(0, 0, 0, 0.1);
  --gold: #b69b63;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Didot", "Bodoni MT", "Times New Roman", serif;
  color: var(--ink);
  background: linear-gradient(150deg, var(--wall), var(--wall-shadow));
}

.museum-bg::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(0, 0, 0, 0.018) 1px, transparent 1px);
  background-size: 100% 42px;
  opacity: 0.25;
}

.museum-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
}

.brand {
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.18em;
  font-size: 0.95rem;
  font-weight: 700;
}

.brand-sub,
.back-link {
  color: var(--ink-soft);
  margin: 0;
  text-decoration: none;
  font-size: 0.92rem;
}

.back-link:hover {
  color: var(--ink);
}

.auth-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.auth-badge {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.auth-logout {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  padding: 0.25rem 0.55rem;
  font: inherit;
  cursor: pointer;
}

.container {
  width: min(1140px, 94vw);
  margin: 1rem auto 3rem;
}

.intro-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  padding: 1.2rem 1.3rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 18px 36px -30px rgba(0, 0, 0, 0.4);
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  letter-spacing: 0.03em;
  font-weight: 500;
}

p {
  font-size: 1rem;
}

.muted {
  color: var(--ink-soft);
}

.gallery-cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.home-layout {
  width: min(1920px, 96vw);
}

.home-gallery-cards {
  grid-template-columns: 1fr;
  gap: 0;
}

.home-gallery-cards .gallery-card {
  width: min(1920px, 96vw);
  margin: 0 auto;
  min-height: calc(100svh - 8.5rem);
  display: grid;
  align-content: center;
  justify-items: start;
}

.home-gallery-cards .frame {
  width: fit-content;
  max-width: 100%;
}

.home-gallery-cards .cover-image {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: min(76svh, 1320px);
  object-fit: contain;
  object-position: left top;
}

.home-gallery-cards .gallery-meta {
  padding-top: 0.8rem;
}

.home-gallery-cards .gallery-meta h2 {
  font-size: clamp(1.4rem, 2.6vw, 2.15rem);
}

.contact-fab {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 30;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-soft);
  padding: 0.42rem 0.8rem;
  font: inherit;
  cursor: pointer;
}

.contact-fab:hover {
  color: var(--ink);
  border-color: var(--ink-soft);
}

.contact-dialog {
  border: 1px solid var(--line);
  background: #fff;
  width: min(92vw, 380px);
  padding: 1rem;
}

.contact-dialog::backdrop {
  background: rgba(0, 0, 0, 0.28);
}

.contact-dialog h2 {
  margin: 0 0 0.5rem;
  font-weight: 500;
}

.contact-dialog p {
  margin: 0;
  color: var(--ink-soft);
}

.contact-dialog a {
  color: var(--ink);
}

.contact-close {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  padding: 0.25rem 0.55rem;
  cursor: pointer;
}

.gallery-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

.frame {
  position: relative;
  border: 5px solid var(--frame);
  background: var(--frame);
  box-shadow:
    0 20px 28px -24px rgba(0, 0, 0, 0.7),
    0 2px 0 rgba(255, 255, 255, 0.08) inset;
  transition: transform 180ms ease;
}

.frame--film {
  padding: 0;
}

.gallery-card:hover .frame,
.photo-tile:hover .frame {
  transform: translateY(-2px);
}

.mat {
  background: var(--mat);
  padding: 0.3rem;
}

.image-wrap {
  position: relative;
}

.image-wrap--film {
  padding-top: 18px;
  padding-bottom: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(0, 0, 0, 0.08)),
    linear-gradient(90deg, #d3d3d3 0%, #c8c8c8 50%, #d0d0d0 100%);
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, 0.24),
    inset 0 14px 18px rgba(0, 0, 0, 0.1),
    inset 0 -12px 14px rgba(0, 0, 0, 0.08);
}

.image-wrap--film::before,
.image-wrap--film::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 18px;
  background:
    linear-gradient(#111, #111),
    repeating-linear-gradient(
      to right,
      #111 0 10px,
      #efefef 10px 17px,
      #111 17px 27px
    );
  background-size:
    100% 100%,
    27px 18px;
  background-repeat:
    no-repeat,
    repeat;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25);
}

.image-wrap--film::before {
  top: 0;
}

.image-wrap--film::after {
  bottom: 0;
}

.cover-image,
.wall-image {
  width: 100%;
  display: block;
  background: #efefef;
  object-fit: cover;
}

.cover-image {
  aspect-ratio: 4 / 3;
}

.gallery-meta {
  padding: 0.55rem 0.15rem 0;
}

.gallery-meta h2 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 500;
}

.photo-wall {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.photo-tile {
  border: none;
  background: transparent;
  text-align: left;
  padding: 0;
  cursor: zoom-in;
}

.wall-image {
  aspect-ratio: 3 / 2;
}

.photo-caption {
  padding-top: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.empty-state {
  color: var(--ink-soft);
  padding: 1rem 0.3rem;
}

.lightbox {
  border: none;
  padding: 0;
  width: min(92vw, 1100px);
  background: #ffffff;
  box-shadow: 0 34px 65px -22px rgba(0, 0, 0, 0.6);
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.73);
}

.lightbox img {
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  background: #f4f4f4;
}

#lightboxCaption {
  margin: 0;
  padding: 0.85rem 1rem 1rem;
  color: var(--ink-soft);
}

.lightbox-close {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}

.gallery-intro {
  border-left: 5px solid var(--gold);
}

@media (max-width: 700px) {
  .gallery-cards,
  .photo-wall {
    grid-template-columns: 1fr;
  }

  .home-gallery-cards .gallery-card {
    min-height: calc(100svh - 7.25rem);
  }

  .home-gallery-cards .cover-image {
    height: min(66svh, 68vw);
  }
}

.admin-layout {
  display: grid;
  gap: 1rem;
}

.admin-title {
  margin: 0.25rem 0 0.2rem;
}

.admin-panel h2 {
  margin-top: 0;
  margin-bottom: 0.7rem;
}

.admin-form {
  display: grid;
  gap: 0.65rem;
}

.admin-form label {
  display: grid;
  gap: 0.28rem;
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.admin-form input,
.admin-form select,
.admin-form textarea,
.admin-form button,
#refreshGalleries {
  font: inherit;
}

.admin-form input,
.admin-form select,
.admin-form textarea {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0.55rem 0.65rem;
}

.admin-form textarea {
  min-height: 80px;
}

.admin-form button,
#refreshGalleries {
  width: fit-content;
  border: 1px solid var(--frame);
  background: var(--frame);
  color: #fff;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
}

.inline-check {
  display: flex !important;
  align-items: center;
  gap: 0.45rem;
}

.admin-list {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.7rem;
}

.admin-list-item {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.admin-manage-head {
  display: flex;
  align-items: end;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.admin-manage-head label {
  display: grid;
  gap: 0.28rem;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.admin-photo-row {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  gap: 0.7rem;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.45rem;
  align-items: center;
}

.admin-photo-thumb {
  width: 86px;
  height: 62px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.admin-photo-meta {
  display: grid;
  gap: 0.2rem;
}

.admin-photo-meta strong {
  font-size: 0.95rem;
}

.admin-photo-meta span {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.admin-photo-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.admin-photo-actions button {
  border: 1px solid var(--frame);
  background: #fff;
  color: var(--ink);
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}

.admin-photo-actions .danger-btn {
  border-color: #8f1a1a;
  color: #8f1a1a;
}

.small-note {
  margin: 0;
  font-size: 0.9rem;
}

.code-block {
  margin: 0.5rem 0;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.7rem;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.85rem;
}