:root {
  --bg: #0f1115;
  --panel: #1a1d24;
  --panel2: #22262f;
  --border: #2e3440;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #7aa2ff;
  --accent2: #c792ea;
  --ok: #c3e88d;
  --warn: #ffcb6b;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0,0,0,.35);
  --tap: 44px;
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); min-height: 100%; }
a { color: var(--accent); text-decoration: none; }

header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(15,17,21,.94); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 10px 12px 0;
  padding-top: max(10px, env(safe-area-inset-top));
}
header h1 {
  margin: 0 0 6px; font-size: 1.05rem; font-weight: 650; letter-spacing: .02em;
}
header h1 span { color: var(--muted); font-weight: 400; font-size: .8rem; margin-left: 6px; }

.tabs {
  display: flex; gap: 2px; flex-wrap: nowrap;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; padding-bottom: 0;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  appearance: none; border: 0; background: transparent; color: var(--muted);
  min-height: var(--tap); padding: 10px 14px; border-radius: 10px 10px 0 0;
  cursor: pointer; font-size: .95rem; white-space: nowrap; flex: 0 0 auto;
  touch-action: manipulation;
}
.tab:hover { color: var(--text); background: var(--panel); }
.tab.active {
  color: var(--text); background: var(--panel);
  border: 1px solid var(--border); border-bottom-color: var(--panel);
}

.banner {
  background: #2a2418; color: var(--warn);
  font-size: .78rem; line-height: 1.45;
  padding: 10px 14px; border-bottom: 1px solid #3d3420;
  text-align: center;
}

.toolbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  padding: 12px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
}
/* keep toolbar below header when both sticky — header already sticky; toolbar scrolls under */
header + .banner + .toolbar { position: sticky; top: 0; }
/* Actually header is sticky; toolbar should stick below approximate header height on phone */
@supports (position: sticky) {
  .toolbar {
    position: sticky;
    top: 0;
    z-index: 35;
  }
  header { z-index: 40; }
}

.subfilters { display: flex; flex-wrap: wrap; gap: 8px; width: 100%; }
.chip {
  appearance: none; border: 1px solid var(--border); background: var(--panel2);
  color: var(--muted); min-height: 36px; padding: 8px 14px; border-radius: 999px;
  cursor: pointer; font-size: .9rem; touch-action: manipulation;
}
.chip:hover { color: var(--text); }
.chip.active { color: #0f1115; background: var(--accent); border-color: var(--accent); font-weight: 600; }

.search {
  flex: 1; min-width: 100%; width: 100%;
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 12px 14px; font-size: 16px; /* 16px avoids iOS zoom */
  min-height: var(--tap);
}
.search:focus { outline: 2px solid var(--accent); border-color: transparent; }
.meta { color: var(--muted); font-size: .8rem; width: 100%; }

main { padding: 12px 10px 80px; max-width: 1600px; margin: 0 auto; }

/* Mobile-first: 2-col grid on phone */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (min-width: 560px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .search { min-width: 200px; max-width: 420px; width: auto; }
  .meta { width: auto; margin-left: auto; }
  .subfilters { width: auto; }
  header { padding: 12px 20px 0; }
  .toolbar { padding: 14px 20px; }
  main { padding: 18px 20px 60px; }
  header h1 { font-size: 1.15rem; }
}

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; cursor: pointer; transition: transform .12s ease, border-color .12s;
  display: flex; flex-direction: column; -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.card:active { transform: scale(.98); }
@media (hover: hover) {
  .card:hover { transform: translateY(-2px); border-color: var(--accent); }
}
.thumb-wrap {
  aspect-ratio: 3/4; background: #0a0b0e; display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.thumb-wrap img {
  width: 100%; height: 100%; object-fit: cover; display: block; background: #12141a;
}
.card-body { padding: 8px 8px 10px; }
.card-id {
  font-size: .68rem; color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all;
}
.card-desc {
  font-size: .78rem; color: var(--text); margin-top: 4px; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-cat { font-size: .68rem; color: var(--muted); margin-top: 4px; }

.empty {
  text-align: center; color: var(--muted); padding: 48px 16px; border: 1px dashed var(--border);
  border-radius: var(--radius); background: var(--panel);
}

.pager {
  display: flex; gap: 10px; align-items: center; justify-content: center;
  margin-top: 20px; flex-wrap: wrap;
  position: sticky; bottom: 0; padding: 12px 8px;
  background: linear-gradient(transparent, var(--bg) 30%);
  padding-bottom: max(12px, env(safe-area-inset-bottom));
}
.pager button {
  appearance: none; border: 1px solid var(--border); background: var(--panel2); color: var(--text);
  min-height: var(--tap); min-width: 88px; padding: 10px 16px; border-radius: 10px;
  cursor: pointer; font-size: .95rem; touch-action: manipulation;
}
.pager button:disabled { opacity: .4; cursor: not-allowed; }
.pager .info { color: var(--muted); font-size: .85rem; }

.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.82);
  display: none; align-items: flex-end; justify-content: center; padding: 0;
}
.lightbox.open { display: flex; }
.lb-panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px 16px 0 0;
  width: 100%; max-height: 92vh; overflow: auto; box-shadow: var(--shadow);
  display: grid; grid-template-columns: 1fr; gap: 0;
  padding-bottom: env(safe-area-inset-bottom);
}
@media (min-width: 760px) {
  .lightbox { align-items: center; padding: 20px; }
  .lb-panel {
    border-radius: 16px; max-width: min(960px, 96vw);
    grid-template-columns: 1.2fr 1fr; width: auto;
  }
}
.lb-img-wrap {
  background: #0a0b0e; display: flex; align-items: center; justify-content: center;
  min-height: 240px; padding: 12px;
}
.lb-img-wrap img { max-width: 100%; max-height: 55vh; object-fit: contain; border-radius: 8px; }
@media (min-width: 760px) {
  .lb-img-wrap img { max-height: 80vh; }
}
.lb-info { padding: 16px 18px 22px; display: flex; flex-direction: column; gap: 10px; }
.lb-info h2 {
  margin: 0; font-size: 1rem; word-break: break-all;
  font-family: ui-monospace, Menlo, monospace; color: var(--accent);
}
.lb-desc { color: var(--text); line-height: 1.5; font-size: .95rem; }
.lb-src { color: var(--muted); font-size: .78rem; line-height: 1.4; word-break: break-all; }
.lb-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.lb-actions button, .lb-close {
  appearance: none; border: 1px solid var(--border); background: var(--panel2); color: var(--text);
  min-height: var(--tap); padding: 10px 14px; border-radius: 10px; cursor: pointer;
  font-size: .95rem; touch-action: manipulation;
}
.lb-actions button.primary {
  background: var(--accent); color: #0f1115; border-color: var(--accent); font-weight: 600;
}
.lb-close {
  position: absolute; top: max(10px, env(safe-area-inset-top)); right: 12px; z-index: 110;
}

.toast {
  position: fixed; bottom: max(24px, env(safe-area-inset-bottom)); left: 50%;
  transform: translateX(-50%);
  background: var(--ok); color: #0f1115; padding: 12px 18px; border-radius: 999px;
  font-weight: 600; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 200;
}
.toast.show { opacity: 1; }