:root {
  --bg-dark: #0a0a14;
  --card-bg: rgba(20, 20, 35, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #e8e8f0;
  --text-dim: #8888a0;
  --accent: #d4a84b;
  --accent-green: #22c55e;
  --accent-blue: #3b82f6;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: var(--text-primary);
  min-height: 100vh;
  background: radial-gradient(ellipse at 60% 0%, rgba(59,130,246,0.05) 0%, transparent 45%),
              radial-gradient(ellipse at 10% 90%, rgba(34,197,94,0.04) 0%, transparent 40%),
              var(--bg-dark);
  background-attachment: fixed;
}
.container { max-width: 1600px; margin: 0 auto; padding: 20px; }
.header { margin-bottom: 32px; border-bottom: 2px solid var(--border-color); padding-bottom: 20px; }
.header h1 { font-size: 2.5rem; background: linear-gradient(135deg, var(--accent), var(--accent-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.subtitle { color: var(--text-dim); font-size: 1.1rem; }
.stats-bar { display: flex; gap: 16px; flex-wrap: wrap; margin: 20px 0; }
.stat-item { background: var(--card-bg); padding: 10px 16px; border-radius: 8px; border-left: 3px solid var(--accent); }
.stat-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; display: block; }
.stat-value { font-size: 1.3rem; font-weight: bold; color: var(--accent); }
.controls { background: var(--card-bg); padding: 20px; border-radius: 12px; margin-bottom: 24px; }
.search-box { width: 100%; padding: 12px; background: var(--bg-dark); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 1rem; margin-bottom: 12px; }
.search-box:focus { outline: none; border-color: var(--accent); }
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn { padding: 6px 14px; background: var(--bg-dark); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); cursor: pointer; font-size: 0.8rem; transition: all 0.2s; }
.filter-btn:hover { border-color: var(--accent); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #000; font-weight: 600; }
.results-header { display: flex; justify-content: space-between; align-items: center; margin: 24px 0 12px; }
.results-title { font-size: 1.3rem; color: var(--accent); }
.results-count { color: var(--text-dim); font-size: 0.85rem; }
.model-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.model-card { background: var(--card-bg); border-radius: 12px; padding: 14px; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; border: 2px solid transparent; position: relative; }
.model-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.4); border-color: var(--accent); }
.model-icon { width: 100%; aspect-ratio: 1; border-radius: 8px; background: linear-gradient(135deg, rgba(20,20,35,0.9), rgba(30,30,50,0.7)); display: flex; align-items: center; justify-content: center; font-size: 3rem; margin-bottom: 8px; position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); }
.model-name { font-size: 0.82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.model-meta { font-size: 0.7rem; color: var(--text-dim); }
.format-badge { position: absolute; top: 6px; right: 6px; padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; font-weight: 700; text-transform: uppercase; background: var(--accent-green); color: #000; }
.category-badge { position: absolute; bottom: 6px; left: 6px; padding: 2px 6px; border-radius: 4px; font-size: 0.6rem; font-weight: 700; text-transform: uppercase; background: var(--accent-blue); color: #fff; }
.empty-state { text-align: center; padding: 60px; color: var(--text-dim); }

/* Viewer overlay */
.viewer-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.92); z-index: 1000; flex-direction: column; }
.viewer-overlay.active { display: flex; }
.viewer-header { display: flex; align-items: center; padding: 12px 20px; background: rgba(0,0,0,0.5); border-bottom: 1px solid var(--border-color); gap: 12px; flex-shrink: 0; }
.viewer-title { font-size: 1.1rem; font-weight: 700; color: var(--accent); flex: 1; }
.viewer-info { font-size: 0.8rem; color: var(--text-dim); }
.viewer-close { background: none; border: 2px solid var(--border-color); color: var(--text-primary); padding: 6px 14px; border-radius: 8px; cursor: pointer; font-size: 0.85rem; }
.viewer-close:hover { border-color: var(--accent); color: var(--accent); }
.viewer-canvas-wrap { flex: 1; position: relative; overflow: hidden; }
.viewer-canvas-wrap canvas { width: 100% !important; height: 100% !important; display: block; }
.viewer-controls { display: flex; align-items: center; gap: 12px; padding: 10px 20px; background: rgba(0,0,0,0.5); border-top: 1px solid var(--border-color); flex-wrap: wrap; }
.viewer-btn { padding: 6px 14px; background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); cursor: pointer; font-size: 0.8rem; transition: all 0.2s; }
.viewer-btn:hover { border-color: var(--accent); }
.viewer-btn.active { background: var(--accent); color: #000; border-color: var(--accent); }
.anim-select-3d { padding: 6px 10px; background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 0.8rem; }

/* Drop zone */
.drop-zone { border: 3px dashed var(--border-color); border-radius: 16px; padding: 30px 20px; text-align: center; margin-bottom: 24px; transition: all 0.3s; cursor: pointer; }
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--accent); background: rgba(212,168,75,0.05); }

/* Loading */
.loading { text-align: center; padding: 60px; color: var(--text-dim); }
.spinner { width: 50px; height: 50px; border: 4px solid var(--border-color); border-top: 4px solid var(--accent); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 20px; }
@keyframes spin { 0%{transform:rotate(0deg)} 100%{transform:rotate(360deg)} }

/* Viewer loading */
.viewer-loading { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); text-align: center; color: var(--text-dim); z-index: 10; }
.viewer-loading .spinner { width: 40px; height: 40px; }

/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }
.page-btn { padding: 8px 14px; background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); cursor: pointer; font-size: 0.85rem; }
.page-btn:hover { border-color: var(--accent); }
.page-btn.active { background: var(--accent); border-color: var(--accent); color: #000; }
.page-btn:disabled { opacity: 0.4; cursor: default; }

/* R2 status */
.r2-status { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; margin-left: 8px; }
.r2-status.online { background: rgba(34,197,94,0.15); color: #22c55e; }
.r2-status.offline { background: rgba(239,68,68,0.15); color: #ef4444; }
.r2-status.checking { background: rgba(234,179,8,0.15); color: #eab308; }
.r2-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.r2-status.online .r2-dot { background: #22c55e; }
.r2-status.offline .r2-dot { background: #ef4444; }
.r2-status.checking .r2-dot { background: #eab308; animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }