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

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --text: #e0e0e0;
  --text-secondary: #888;
  --accent: #d4a853;
  --accent-dim: rgba(212, 168, 83, 0.15);
  --border: #222;
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  padding: 60px 0 48px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
header .date {
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
header h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #e0e0e0 0%, #d4a853 50%, #e0e0e0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
header .subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 12px;
  font-weight: 400;
}

/* Stats bar */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}
.stat { text-align: center; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* Filter tabs */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--accent); color: var(--text); }
.filter-btn.active { background: var(--accent); color: #0a0a0a; border-color: var(--accent); font-weight: 600; }

/* Gallery grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  padding-bottom: 60px;
}

.photo-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  cursor: pointer;
}
.photo-card:hover {
  background: var(--bg-card-hover);
  border-color: #333;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.photo-card .img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #1a1a1a;
}
.photo-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.photo-card:hover .img-wrap img { transform: scale(1.04); }
.photo-card .img-wrap .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  color: var(--accent);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.photo-card .img-wrap .rank {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  color: var(--text);
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 600;
}
.photo-card .info { padding: 18px 20px; }
.photo-card .info h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.photo-card .info .photographer { font-size: 13px; color: var(--accent); margin-bottom: 8px; }
.photo-card .info .source-label { font-size: 11px; color: var(--text-secondary); margin-bottom: 8px; letter-spacing: 0.5px; }
.photo-card .info .desc { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }
.photo-card .info .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.photo-card .info .tag { font-size: 11px; padding: 3px 10px; background: var(--accent-dim); color: var(--accent); border-radius: 10px; }

/* Footer */
footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
}
footer span { color: var(--accent); }

/* Archive link */
.archive-link {
  text-align: center;
  margin-bottom: 32px;
}
.archive-link a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all 0.2s;
}
.archive-link a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 40px;
}
.lightbox.active { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  background: none;
  border: none;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }
.lightbox .caption {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  font-size: 14px;
}

/* Archive page */
.archive-list {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px;
}
.archive-list h2 {
  text-align: center;
  margin-bottom: 32px;
  color: var(--text);
  font-size: 24px;
}
.archive-list ul { list-style: none; }
.archive-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.archive-list li a {
  color: var(--text);
  text-decoration: none;
  font-size: 16px;
  transition: color 0.2s;
}
.archive-list li a:hover { color: var(--accent); }
.archive-list li .archive-date {
  font-size: 13px;
  color: var(--text-secondary);
  margin-left: 12px;
}

@media (max-width: 768px) {
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
  }
  header { padding: 40px 0 32px; }
  .stats-bar { gap: 24px; }
  .photo-card .info { padding: 14px 16px; }
}