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

:root {
  --bg: #1a1a1a;
  --bg-lighter: #242424;
  --text: #e0e0e0;
  --text-muted: #888;
  --accent: #c8a96e;
  --header-bg: #111;
  --gap: 6px;
  --row-height: 280px;
}

html, body {
  height: 100%;
}

body {
  font-family: 'Amarante', cursive, serif;
  background-color: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===== Prevent image saving ===== */
img {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  pointer-events: none;
}

/* ===== Header ===== */
header {
  background: var(--header-bg);
  padding: 1.5rem 2rem 0;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #333;
}

.site-title {
  font-size: 2.4rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 1rem;
}

nav {
  display: flex;
  justify-content: center;
  gap: 0;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border-bottom: 2px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.nav-link:hover {
  color: var(--text);
}

.nav-link.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ===== Main / Gallery ===== */
main {
  flex: 1;
  padding: var(--gap);
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
  padding-top: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  flex-grow: 1;
  border-radius: 2px;
  background: var(--bg-lighter);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, filter 0.4s ease;
  pointer-events: none;
}

/* Transparent overlay to block right-click / drag on the image area */
.gallery-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

.gallery-item:hover img {
  transform: scale(1.03);
  filter: brightness(1.1);
}

/* Category label shown on home page */
.gallery-item .category-label {
  position: absolute;
  bottom: 8px;
  left: 10px;
  z-index: 3;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(0,0,0,0.6);
  padding: 3px 8px;
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.gallery-item:hover .category-label {
  opacity: 1;
}

/* ===== Loading / Empty ===== */
.loading, .empty-message {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lb-img-wrap {
  max-width: 92vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Overlay on lightbox image to block saving */
.lb-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
}

#lb-img {
  max-width: 92vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 2px;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}

.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  z-index: 1001;
  font-family: 'Amarante', cursive, serif;
  transition: color 0.2s, transform 0.2s;
}

.lb-close {
  top: 1rem;
  right: 1.5rem;
  font-size: 2.5rem;
  line-height: 1;
}

.lb-prev, .lb-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.5rem;
  line-height: 1;
  padding: 0.5rem;
}

.lb-prev { left: 1rem; }
.lb-next { right: 1rem; }

.lb-close:hover, .lb-prev:hover, .lb-next:hover {
  color: var(--accent);
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  border-top: 1px solid #333;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  :root {
    --row-height: 180px;
  }

  .site-title {
    font-size: 1.6rem;
  }

  .nav-link {
    font-size: 0.8rem;
    padding: 0.6rem 0.8rem;
  }

  .lb-prev, .lb-next {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  :root {
    --row-height: 140px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-link {
    font-size: 0.75rem;
    padding: 0.5rem 0.6rem;
  }
}