:root {
  --paper: #f6f4ef;
  --ink: #171816;
  --muted: #6f716b;
  --line: rgba(23, 24, 22, .12);
  --accent: #ff5b35;
  --card: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

button, input { font: inherit; }

.hero {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(32px, 6vw, 80px) clamp(20px, 5vw, 72px) 38px;
  border-bottom: 1px solid var(--line);
}

.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
h1 { margin: 0; font-size: clamp(42px, 8vw, 96px); line-height: .95; letter-spacing: -.06em; }
.intro { max-width: 520px; margin: 24px 0 0; color: var(--muted); line-height: 1.7; }
.counter { align-self: flex-end; display: flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.counter strong { font-size: 38px; }
.counter span { color: var(--muted); }

main { padding: 24px clamp(14px, 4vw, 56px) 72px; }
.toolbar { position: sticky; top: 0; z-index: 5; display: flex; gap: 18px; align-items: end; padding: 14px 0 22px; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(12px); }
.search { flex: 1; min-width: 220px; }
.search span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; }
.search input { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; outline: none; background: #fff; }
.search input:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(23,24,22,.07); }
.filters { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.filters::-webkit-scrollbar { display: none; }
.filter { border: 1px solid var(--line); border-radius: 999px; padding: 10px 14px; background: transparent; white-space: nowrap; cursor: pointer; }
.filter.active { color: #fff; border-color: var(--ink); background: var(--ink); }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card { overflow: hidden; border-radius: 16px; background: var(--card); box-shadow: 0 1px 0 var(--line); cursor: zoom-in; transition: transform .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(23,24,22,.10); }
.thumb { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #ddd; }
.card-meta { display: flex; justify-content: space-between; gap: 12px; padding: 14px; }
.card-meta h2 { margin: 5px 0 0; font-size: 15px; }
.image-id { color: var(--accent); font: 800 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; }
.category { align-self: flex-start; color: var(--muted); font-size: 12px; }
.empty { padding: 60px 0; text-align: center; color: var(--muted); }

.preview { width: min(920px, calc(100vw - 24px)); max-height: calc(100dvh - 24px); padding: 0; overflow: hidden; border: 0; border-radius: 20px; background: #10110f; color: #fff; }
.preview::backdrop { background: rgba(10,10,9,.78); backdrop-filter: blur(8px); }
.preview img { display: block; width: 100%; max-height: calc(100dvh - 150px); object-fit: contain; }
.preview-meta { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 20px; }
.preview-meta h2 { margin: 4px 0 0; font-size: 18px; }
.close { position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border: 0; border-radius: 50%; color: #fff; background: rgba(0,0,0,.55); font-size: 26px; cursor: pointer; }
.copy-button { border: 1px solid rgba(255,255,255,.24); border-radius: 999px; padding: 10px 15px; color: #fff; background: transparent; cursor: pointer; }

@media (max-width: 700px) {
  .hero { padding-top: 36px; }
  .counter { display: none; }
  .toolbar { align-items: stretch; flex-direction: column; gap: 12px; }
  .search { min-width: 0; }
  .filters { margin-right: -14px; padding-right: 14px; }
  .gallery { grid-template-columns: 1fr; gap: 10px; }
  .card { border-radius: 12px; }
  .card-meta { display: block; padding: 11px; }
  .category { display: block; margin-top: 8px; }
}