:root {
  --color-bg:      #faf8f5;
  --color-surface: #ffffff;
  --color-accent:  #c9a96e;
  --color-text:    #3a3028;
  --color-muted:   #8a7d72;
  --font-serif:    'Cormorant Garamond', Georgia, serif;
  --font-sans:     'Lato', system-ui, sans-serif;
  --radius:        4px;
  --transition:    0.25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

/* ── Header ── */
header {
  text-align: center;
  padding: 4rem 1rem 3rem;
  border-bottom: 1px solid var(--color-accent);
  margin-bottom: 2.5rem;
}

.header-inner {
  max-width: 600px;
  margin: 0 auto;
}

.header-date {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.amp {
  font-style: italic;
  color: var(--color-accent);
}

.header-subtitle {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1.75rem;
}

/* ── Main / Gallery ── */
main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

#gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}

/* Loading state */
#gallery-grid.loading::before {
  content: 'Ładowanie galerii…';
  display: block;
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* Error state */
#gallery-grid.error::before {
  content: 'Galeria będzie dostępna wkrótce.';
  display: block;
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 0;
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
}

.thumb-item {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  background: #e8e3dc;
}

.thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

.thumb-item:hover img {
  transform: scale(1.04);
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 2.5rem 1rem 3rem;
  border-top: 1px solid rgba(201, 169, 110, 0.25);
}

.download-btn {
  display: inline-block;
  padding: 0.8rem 2.5rem;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.download-btn:hover {
  background: var(--color-accent);
  color: #fff;
}

.download-btn.hidden {
  display: none;
}

/* ── Lightbox ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

#lightbox.open {
  display: flex;
}

#lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 2px;
  display: block;
  user-select: none;
}

#lightbox-close,
#lightbox-prev,
#lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  font-size: 1.5rem;
  padding: 0.75rem;
  line-height: 1;
  transition: color var(--transition);
}

#lightbox-close:hover,
#lightbox-prev:hover,
#lightbox-next:hover {
  color: #fff;
}

#lightbox-close {
  top: 1rem;
  right: 1.25rem;
  font-size: 2rem;
}

#lightbox-prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
}

#lightbox-next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
}

/* ── Responsive ── */
@media (max-width: 480px) {
  header {
    padding: 2.5rem 1rem 2rem;
  }

  #gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 6px;
  }

  #lightbox-prev { left: 0.25rem; }
  #lightbox-next { right: 0.25rem; }
}