/* ── Reset & base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d0d0d;
  --surface:   #161616;
  --border:    #2a2a2a;
  --text:      #f0ede8;
  --muted:     #888;
  --accent:    #c9a96e;
  --nav-bg:    rgba(13,13,13,.92);
  --gap:       10px;
  --radius:    4px;
  --hero-h:    320px;
  --nav-h:     56px;
  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --ease:      cubic-bezier(.4,0,.2,1);
}

/* ── Light theme ─────────────────────────────────────────────────────────────── */
[data-theme="light"] {
  --bg:      #faf8f5;
  --surface: #f0ede8;
  --border:  #ddd9d2;
  --text:    #1a1714;
  --muted:   #7a7470;
  --accent:  #b5843a;
  --nav-bg:  rgba(250,248,245,.92);
}
[data-theme="light"] .hero {
  background: linear-gradient(160deg, #ede8df 0%, var(--bg) 100%);
}
[data-theme="light"] .gallery-item::after {
  background: linear-gradient(to top, rgba(0,0,0,.55) 0%, transparent 60%);
}

html { scroll-behavior: smooth; }

/* Smooth theme transitions */
body, .cat-nav, .hero, .site-footer, .category-heading h2,
.gallery-item, .empty-inner code, .empty-inner pre {
  transition: background-color .35s, color .35s, border-color .35s;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  min-height: 100vh;
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  height: var(--hero-h);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(160deg, #1a1610 0%, var(--bg) 100%);
  padding: 0 2rem;
}

.artist-name {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--text);
  line-height: 1.1;
}

.artist-tagline {
  margin-top: .75rem;
  font-size: clamp(.85rem, 2vw, 1.05rem);
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 400;
}

/* ── Category nav ────────────────────────────────────────────────────────── */
.cat-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
  display: flex;
  align-items: center;
}

/* Scrollable inner + fade-hint wrapper */
.cat-nav-scroll {
  flex: 1;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  align-items: center;
}

/* Left/right fade hints — shown via JS classes */
.cat-nav-scroll::before,
.cat-nav-scroll::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 52px;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity .25s;
}
.cat-nav-scroll::before { left:  0; background: linear-gradient(to right, var(--bg), transparent); }
.cat-nav-scroll::after  { right: 0; background: linear-gradient(to left,  var(--bg), transparent); }
.cat-nav-scroll.can-scroll-left::before  { opacity: 1; }
.cat-nav-scroll.can-scroll-right::after  { opacity: 1; }

.cat-nav-inner {
  display: flex;
  gap: .4rem;
  padding: 0 .75rem;
  overflow-x: auto;
  scrollbar-width: none;
  width: 100%;
}
.cat-nav-inner::-webkit-scrollbar { display: none; }

/* Nav scroll arrow buttons */
.nav-scroll-btn {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 .65rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: color .2s;
  z-index: 2;
}
.nav-scroll-btn:hover { color: var(--accent); }

@keyframes nav-hint-pulse {
  0%, 100% { color: var(--accent); }
  50%       { color: var(--muted);  }
}
.nav-scroll-btn.hint { animation: nav-hint-pulse .65s ease 4; }

/* Theme toggle */
.theme-toggle {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0 .9rem 0 .4rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: color .2s, transform .4s var(--ease);
}
.theme-toggle:hover { color: var(--accent); transform: rotate(25deg); }

.cat-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .45rem 1.1rem;
  border-radius: 2rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.cat-btn:hover {
  color: var(--text);
  border-color: var(--border);
}

.cat-btn.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

/* ── Gallery ─────────────────────────────────────────────────────────────── */
.gallery {
  columns: 3 280px;
  column-gap: var(--gap);
  padding: var(--gap) calc(var(--gap) * 2);
  max-width: 1800px;
  margin: 0 auto;
}

.gallery-item {
  break-inside: avoid;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: var(--gap);
  cursor: pointer;
  background: var(--surface);
  animation: item-appear 0.5s var(--ease) both;
}

@keyframes item-appear {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform .5s var(--ease), filter .4s var(--ease);
  border-radius: var(--radius);
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;   /* handled by the parent div */
}

/* Hover overlay */
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .35s var(--ease);
  border-radius: var(--radius);
}

.gallery-item:hover::after   { opacity: 1; }
.gallery-item:hover img      { transform: scale(1.04); }

.item-caption {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  padding: .9rem 1rem .7rem;
  z-index: 1;
  font-size: .8rem;
  letter-spacing: .06em;
  color: #fff;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
  text-transform: capitalize;
}

.gallery-item:hover .item-caption {
  opacity: 1;
  transform: translateY(0);
}

/* "New" badge */
.badge-new {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
  background: var(--accent);
  color: var(--bg);
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .2em .55em;
  border-radius: 3px;
  pointer-events: none;
}

/* Category section headings (visible in "All" view) */
.category-heading {
  break-inside: avoid;
  margin-bottom: var(--gap);
}

.category-heading h2 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: .08em;
  padding: .5rem 0;
  border-bottom: 1px solid var(--border);
}

/* Filtering animation */
.gallery-item.hidden {
  display: none;
}

/* ── Empty state ─────────────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 50vh;
  padding: 4rem 2rem;
}

.empty-inner {
  text-align: center;
  max-width: 480px;
}

.empty-inner svg {
  width: 64px;
  height: 64px;
  color: var(--muted);
  margin-bottom: 1.5rem;
  opacity: .5;
}

.empty-inner h2 {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: .75rem;
}

.empty-inner p {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.65;
  margin: .4rem 0;
}

.empty-inner code, .empty-inner pre {
  font-family: 'Courier New', monospace;
  font-size: .85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: .2em .5em;
  border-radius: 3px;
  color: var(--accent);
}

.empty-inner pre {
  display: inline-block;
  padding: .55em 1.1em;
  margin: .6rem 0;
}

/* ── Lightbox ────────────────────────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,.93);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: lb-in .25s var(--ease) both;
}

@keyframes lb-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox.hidden { display: none; }

.lb-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 90vw;
  max-height: 90vh;
}

#lbImg {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius);
  animation: img-in .3s var(--ease) both;
  box-shadow: 0 20px 80px rgba(0,0,0,.6);
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}

@keyframes img-in {
  from { opacity: 0; transform: scale(.97); }
  to   { opacity: 1; transform: scale(1); }
}

#lbCaption {
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

/* Lightbox buttons */
.lb-close, .lb-prev, .lb-next {
  position: fixed;
  background: none;
  border: none;
  color: rgba(255,255,255,.6);
  font-size: 1.6rem;
  cursor: pointer;
  padding: .5rem .8rem;
  transition: color .2s, transform .2s;
  line-height: 1;
}

.lb-close { top: 1.2rem; right: 1.4rem; font-size: 1.4rem; }
.lb-prev  { top: 50%; left:  1rem; transform: translateY(-50%); font-size: 2rem; }
.lb-next  { top: 50%; right: 1rem; transform: translateY(-50%); font-size: 2rem; }

.lb-close:hover { color: #fff; transform: scale(1.15); }
.lb-prev:hover  { color: #fff; transform: translateY(-50%) translateX(-2px); }
.lb-next:hover  { color: #fff; transform: translateY(-50%) translateX(2px); }

/* ── Footer (real) ────────────────────────────────────────────────────────── */

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 2.5rem 2rem 3rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.site-footer p {
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--muted);
  line-height: 1.8;
}

.footer-note {
  font-size: .72rem !important;
  opacity: .6;
}

/* ── Infinite scroll sentinel ────────────────────────────────────────────── */
#scroll-sentinel {
  width: 100%;
  height: 60px;
}

/* ── Utility ─────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Responsive ─────────────────────────────────────────────────────────── */

/* Desktop: centered category pills + floating theme toggle */
@media (min-width: 768px) {
  .cat-nav-inner { justify-content: center; }

  .theme-toggle {
    position: fixed;
    top: .8rem;
    right: 1rem;
    height: auto;
    padding: .45rem .55rem;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    z-index: 200;
    transition: color .2s, transform .4s var(--ease),
                background-color .35s, border-color .35s;
  }
  .theme-toggle:hover {
    color: var(--accent);
    transform: rotate(25deg);
    border-color: var(--accent);
  }
}

@media (max-width: 600px) {
  :root { --hero-h: 220px; }
  .gallery { columns: 2 160px; padding: var(--gap); }
}