:root {
  --bg: #14151a; --panel: #1e2027; --line: #2c2f3a;
  --fg: #e8e9ee; --muted: #9aa0b0; --accent: #ffd23f; --accent2: #4a90d9;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-tap-highlight-color: transparent;
}
header { padding: 16px 14px 8px; }
header h1 { margin: 0; font-size: 20px; }
header p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

/* 가로 스크롤 탭/칩 */
.tabs, .chips {
  display: flex; gap: 8px; overflow-x: auto; padding: 8px 14px;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar, .chips::-webkit-scrollbar { display: none; }
.tabs button, .chips button {
  flex: 0 0 auto; border: 1px solid var(--line); background: var(--panel);
  color: var(--fg); padding: 8px 14px; border-radius: 20px; font-size: 14px;
  cursor: pointer; white-space: nowrap;
}
.chips button { padding: 6px 12px; font-size: 13px; color: var(--muted); }
.tabs button.active { background: var(--accent2); border-color: var(--accent2); color: #fff; }
.chips button.active { background: var(--accent); border-color: var(--accent); color: #14151a; }

.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 14px 12px; gap: 10px;
}
#info { color: var(--muted); font-size: 13px; }
#shuffle {
  border: none; background: var(--accent); color: #14151a; font-weight: 700;
  padding: 10px 18px; border-radius: 22px; font-size: 15px; cursor: pointer;
}
#shuffle:active { transform: scale(0.96); }

/* 픽셀아트 그리드 */
.grid {
  display: grid; gap: 6px; padding: 0 12px 40px;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
}
.grid img {
  width: 100%; aspect-ratio: 1; object-fit: contain;
  background: #0d0e12 repeating-conic-gradient(#1a1b21 0% 25%, transparent 0% 50%) 50% / 16px 16px;
  border: 1px solid var(--line); border-radius: 6px; padding: 4px;
  image-rendering: pixelated; cursor: pointer;
}

/* 라이트박스 */
#lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,0.92);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; z-index: 10;
}
#lightbox.hidden { display: none; }
#lb-img {
  max-width: 88vw; max-height: 70vh; image-rendering: pixelated;
  background: #0d0e12; border: 1px solid var(--line); padding: 8px;
}
#lb-name { color: var(--fg); font-size: 14px; padding: 0 20px; text-align: center; word-break: break-all; }

/* 상단 네비게이션 */
.topnav{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
.topnav a{font-size:13px;color:var(--accent2);background:var(--panel);
  border:1px solid var(--line);border-radius:20px;padding:5px 12px;text-decoration:none;}
.topnav a:hover{border-color:var(--accent2);}