@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Montserrat:wght@300;400;500;600&display=swap');

:root {
  --bg: #F7F5F2;
  --bg2: #EFECE7;
  --ink: #1A1815;
  --ink2: #5A5650;
  --ink3: #9A9490;
  --accent: #8B6B52;
  --accent2: #C4A882;
  --line: #D8D4CE;
  --card: #FDFCFB;
  --nav-h: 64px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); overflow-x: hidden; font-family: 'Montserrat', sans-serif; font-weight: 300; min-height: 100vh; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 200;
  background: var(--ink); height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px; gap: 24px;
}
.nav-logo { font-family: 'Playfair Display', serif; color: var(--bg); font-size: 1.1rem; font-weight: 400; letter-spacing: .04em; white-space: nowrap; }
.nav-logo span { color: var(--accent2); font-style: italic; }
.nav-links { display: flex; gap: 2px; align-items: center; }
.nav-links a { color: rgba(247,245,242,.55); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 400; padding: 6px 14px; border-radius: 2px; transition: color .15s, background .15s; }
.nav-links a:hover { color: var(--bg); background: rgba(255,255,255,.07); }
.nav-links a.active { color: var(--bg); }
.nav-links a.nav-admin { color: rgba(247,245,242,.3); border: 1px solid rgba(255,255,255,.1); margin-left: 10px; }
.nav-links a.nav-admin:hover { color: var(--accent2); border-color: rgba(196,168,130,.4); background: none; }
.nav-right { display: flex; align-items: center; gap: 10px; }
.lang-switch { display: flex; gap: 2px; }
.lang-btn { background: none; border: 1px solid rgba(255,255,255,.2); color: rgba(247,245,242,.5); font-family: 'Montserrat', sans-serif; font-size: .65rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; padding: 4px 8px; border-radius: 2px; cursor: pointer; transition: all .15s; }
.lang-btn.active { background: var(--accent); border-color: var(--accent); color: white; }

/* Burger button */
.burger { display: none; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; width: 36px; height: 36px; }
.burger span { display: block; width: 22px; height: 2px; background: rgba(247,245,242,.7); border-radius: 2px; transition: all .25s; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; width: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.mobile-menu { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--ink); border-top: 1px solid rgba(255,255,255,.06); flex-direction: column; z-index: 199; box-shadow: 0 12px 32px rgba(0,0,0,.4); }
.mobile-menu.open { display: flex; }
.mobile-menu a { color: rgba(247,245,242,.6); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; padding: 18px 24px; border-bottom: 1px solid rgba(255,255,255,.05); transition: all .15s; }
.mobile-menu a:hover { color: var(--bg); background: rgba(255,255,255,.04); }
.mobile-menu a.active { color: var(--bg); }
.mobile-menu a.nav-admin { color: rgba(247,245,242,.35); }
.mobile-menu a.nav-admin:hover { color: var(--accent2); }
.mobile-menu .mob-lang { display: flex; gap: 8px; padding: 16px 24px; border-bottom: 1px solid rgba(255,255,255,.05); }

/* ── PAGE HEADER ── */
.page-header {
  background: var(--ink);
  padding: 48px 48px 36px;
  color: var(--bg);
}
.page-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem; font-weight: 400;
  letter-spacing: .02em; line-height: 1.1;
  margin-bottom: 8px;
}
.page-header h1 em { color: var(--accent2); font-style: italic; }
.page-header .sub { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(247,245,242,.45); }

/* ── FILTERS / CONTROLS ── */
.controls {
  position: relative; z-index: 100; overflow-x: hidden;
  background: var(--bg2); border-bottom: 1px solid var(--line);
  padding: 12px 48px;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.search-input { flex: 1; min-width: 160px; max-width: 320px; padding: 8px 12px; border: 1px solid var(--line); background: var(--card); border-radius: 3px; font-family: 'Montserrat', sans-serif; font-size: 16px; color: var(--ink); outline: none; transition: border-color .2s; }
.search-input:focus { border-color: var(--accent); }
.search-btn { padding: 8px 18px; background: var(--accent2); border: none; border-radius: 3px; color: #fff; font-family: 'Montserrat', sans-serif; font-size: .68rem; font-weight: 400; letter-spacing: .12em; text-transform: uppercase; cursor: pointer; white-space: nowrap; transition: background .15s; flex-shrink: 0; order: 4; }
.search-btn:hover { background: #b89868; }
.avail-label { display: flex; align-items: center; gap: 6px; font-size: .72rem; color: var(--ink3); cursor: pointer; white-space: nowrap; }
select {
  padding: 8px 26px 8px 10px;
  border: 1px solid var(--line); background: var(--card);
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239A9490'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center;
  border-radius: 3px; font-family: 'Montserrat', sans-serif;
  font-size: 16px; color: var(--ink); outline: none; -webkit-appearance: none; cursor: pointer;
  transition: border-color .2s; min-width: 0; max-width: 180px;
}
select:focus { border-color: var(--accent); }
.results-count { font-size: .7rem; color: var(--ink3); white-space: nowrap; }
.view-toggle { display: flex; gap: 4px; margin-left: auto; order: 5; }
.view-btn {
  background: none; border: 1px solid var(--line); border-radius: 3px;
  padding: 5px 9px; cursor: pointer; color: var(--ink3); font-size: .9rem;
  transition: all .15s;
}
.view-btn.active { background: var(--accent2); border-color: var(--accent2); color: white; }

/* ── GRID ── */
.gallery-wrap { padding: 28px 48px 80px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 18px; }
.grid.list-view { grid-template-columns: 1fr; gap: 6px; }

/* year divider */
.year-divider {
  grid-column: 1/-1; display: flex; align-items: center; gap: 14px;
  padding: 6px 0 2px; margin-top: 8px;
}
.year-label { font-family: 'Playfair Display', serif; font-size: 1.5rem; color: var(--ink3); font-style: italic; white-space: nowrap; }
.year-line { flex: 1; height: 1px; background: var(--line); }

/* ── CARD ── */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 4px; overflow: hidden;
  box-shadow: 0 2px 8px rgba(26,24,21,.07);
  transition: transform .18s, box-shadow .18s;
  cursor: pointer;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(26,24,21,.12); }
.card-img {
  width: 100%; aspect-ratio: 1/1;
  background: var(--bg2); overflow: hidden; position: relative;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
}
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-img .no-img { font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); }
.year-tag {
  position: absolute; top: 7px; left: 7px;
  background: var(--ink); color: var(--bg);
  font-size: .6rem; font-weight: 500; letter-spacing: .08em;
  padding: 2px 6px; border-radius: 2px;
}
.file-count {
  position: absolute; bottom: 7px; right: 7px;
  background: rgba(26,24,21,.55); color: #fff;
  font-size: .6rem; padding: 2px 5px; border-radius: 2px;
}
.card-body { padding: 12px 14px 14px; }
.card-title { font-family: 'Playfair Display', serif; font-size: .95rem; line-height: 1.25; margin-bottom: 3px; }
.card-form { font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 7px; }
.card-attrs { display: flex; flex-direction: column; gap: 3px; margin-bottom: 10px; }
.attr-row { display: flex; gap: 6px; }
.attr-label { font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); min-width: 50px; }
.attr-val { font-size: .72rem; color: var(--ink2); }
.card-actions { display: flex; gap: 5px; flex-wrap: wrap; }

/* list view */
.grid.list-view .card { display: flex; flex-direction: row; }
.grid.list-view .card-img { width: 110px; height: 74px; flex-shrink: 0; border-bottom: none; border-right: 1px solid var(--line); }
.grid.list-view .card-body { display: flex; align-items: center; gap: 20px; flex: 1; flex-wrap: wrap; padding: 8px 14px; }
.grid.list-view .card-title { margin-bottom: 0; min-width: 200px; }
.grid.list-view .card-attrs { flex-direction: row; gap: 16px; margin-bottom: 0; }
.grid.list-view .card-form { margin-bottom: 0; }
.grid.list-view .card-actions { margin-left: auto; }

/* ── BUTTONS ── */
.btn {
  font-family: 'Montserrat', sans-serif; font-size: .62rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px;
  border-radius: 2px; border: 1px solid; cursor: pointer;
  text-decoration: none; display: inline-block; transition: all .15s;
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover { background: #7A5A42; }
.btn-ghost { background: none; border-color: var(--line); color: var(--ink2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: #c0392b; border-color: #c0392b; color: white; }
.btn-danger:hover { background: #a93226; }

/* ── MODAL ── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(26,24,21,.85); z-index: 500;
  align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card); border-radius: 6px;
  max-width: 860px; width: 100%; max-height: 92vh; overflow-y: auto;
  position: relative;
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  background: none; border: none; font-size: 1.4rem;
  cursor: pointer; color: var(--ink3); z-index: 10; padding: 4px;
}
.modal-close:hover { color: var(--ink); }
.modal-body { padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.modal-photo { aspect-ratio: 4/3; background: var(--bg2); border-radius: 3px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.modal-photo img { width: 100%; height: 100%; object-fit: contain; }
.modal-photo .no-img { font-size: .75rem; color: var(--ink3); text-align: center; padding: 16px; }
.modal-info h2 { font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 400; margin-bottom: 4px; line-height: 1.2; }
.modal-year { font-size: .8rem; color: var(--accent); font-weight: 500; margin-bottom: 20px; }
.modal-attrs { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.modal-attr-label { font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink3); margin-bottom: 2px; }
.modal-attr-val { font-size: .85rem; color: var(--ink2); }
.modal-desc { font-size: .82rem; color: var(--ink2); line-height: 1.6; margin-bottom: 20px; }

/* ── EXHIBITIONS ── */
.exhibitions-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px,1fr)); gap: 24px; padding: 32px 48px 80px; }
.ex-card { background: var(--card); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; box-shadow: 0 2px 8px rgba(26,24,21,.07); transition: transform .18s, box-shadow .18s; }
.ex-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(26,24,21,.12); }
.ex-card-img { width: 100%; height: 220px; background: var(--bg2); object-fit: cover; }
.ex-card-body { padding: 20px 20px 20px; }
.ex-card-year { font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.ex-card-title { font-family: 'Playfair Display', serif; font-size: 1.2rem; font-weight: 400; margin-bottom: 6px; line-height: 1.25; }
.ex-card-venue { font-size: .75rem; color: var(--ink3); margin-bottom: 14px; }
.ex-meta { display: flex; gap: 10px; flex-wrap: wrap; }
.ex-tag { font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; padding: 2px 7px; border: 1px solid var(--line); border-radius: 2px; color: var(--ink3); }

/* ── EXHIBITION PAGE ── */
.ex-page-header { background: var(--ink); color: var(--bg); padding: 48px 48px 36px; }
.ex-page-header .venue { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(247,245,242,.45); margin-bottom: 8px; }
.ex-page-header h1 { font-family: 'Playfair Display', serif; font-size: 2.4rem; font-weight: 400; margin-bottom: 8px; }
.ex-page-header .year { font-size: .8rem; color: var(--accent2); }
.ex-tabs { display: flex; background: var(--bg2); border-bottom: 1px solid var(--line); padding: 0 48px; position: sticky; top: var(--nav-h); z-index: 100; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.ex-tabs::-webkit-scrollbar { display: none; }
.ex-tab { padding: 14px 20px; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); cursor: pointer; border-bottom: 2px solid transparent; transition: all .15s; white-space: nowrap; flex-shrink: 0; }
.ex-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.ex-tab-content { display: none; padding: 32px 48px 80px; }
.ex-tab-content.active { display: block; }
@media (max-width: 768px) {
  .ex-page-header { padding: 28px 20px 20px; }
  .ex-tabs { padding: 0 12px; }
  .ex-tab { padding: 10px 12px; font-size: .62rem; letter-spacing: .06em; }
  .ex-tab-content { padding: 20px 16px 60px; }
  .ex-tab-content .controls { margin: -20px -16px 20px !important; padding: 10px 16px !important; }
}
.ex-description { max-width: 680px; font-size: .9rem; line-height: 1.8; color: var(--ink2); margin-bottom: 32px; }
.docs-list { display: flex; flex-direction: column; gap: 8px; }
.doc-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 3px; transition: background .15s; }
.doc-item:hover { background: var(--bg2); }
.doc-icon { font-size: 1.2rem; flex-shrink: 0; }
.doc-name { font-size: .82rem; color: var(--ink2); flex: 1; }
.doc-type { font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink3); }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px,1fr)); gap: 20px; }
.video-item { aspect-ratio: 16/9; background: var(--ink); border-radius: 4px; overflow: hidden; }
.video-item iframe { width: 100%; height: 100%; border: none; }

/* ── FOOTER ── */
footer { text-align: center; padding: 28px 24px; font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; align-items: center; }
footer .footer-credit { font-size: .6rem; letter-spacing: .08em; color: var(--line); }
footer .footer-credit a { color: var(--ink3); text-decoration: none; transition: color .15s; }
footer .footer-credit a:hover { color: var(--accent); }

/* ── EMPTY / LOADING ── */
.empty-state { text-align: center; padding: 80px; color: var(--ink3); }
.empty-state h3 { font-family: 'Playfair Display', serif; font-size: 1.4rem; margin-bottom: 8px; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-right .lang-switch { display: none; }
  .burger { display: flex; }
  .page-header { padding: 28px 20px 20px; }
  .page-header h1 { font-size: 1.9rem; }
  .controls { padding: 10px 16px; gap: 8px; }
  .search-input { width: 100%; flex: unset; max-width: unset; }
  .search-btn { width: 100%; justify-content: center; order: 2; }
  .avail-label { order: 3; }
  #results-count { order: 4; }
  .view-toggle { order: 5; margin-left: auto; }
  #filter-year, #filter-tech, #filter-ex, #sort-by { flex: 1; min-width: 0; max-width: none; }
  .gallery-wrap { padding: 16px 16px 60px; }
  .exhibitions-grid { padding: 16px 16px 60px; grid-template-columns: 1fr; }
  .modal-body { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

/* Filter grid - 2x2 on mobile */
.filter-grid { display: contents; }
@media (max-width: 768px) {
  .filter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; width: 100%; }
  .filter-grid select { max-width: none; width: 100%; flex: none; }
}