:root {
  --bg: #0c0c0e;
  --panel: #14141a;
  --panel-2: #1c1c24;
  --border: #2a2a35;
  --text: #ececf1;
  --muted: #8a8a99;
  --accent: #d4af37;
  --accent-2: #f0d97f;
  --danger: #e25b5b;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(12,12,14,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex; align-items: center; gap: 24px;
}
header h1 {
  margin: 0; font-size: 16px; font-weight: 600; letter-spacing: 0.5px;
}
header .count {
  color: var(--muted); font-variant-numeric: tabular-nums;
}
header .filters {
  display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap;
}
header input, header select {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 10px; font-size: 13px; outline: none;
}
header input:focus, header select:focus { border-color: var(--accent); }
header button {
  background: var(--accent); color: #1a1a1a; border: none;
  border-radius: 6px; padding: 7px 12px; cursor: pointer; font-weight: 600;
}

main {
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card model-viewer {
  width: 100%; height: 240px;
  background: linear-gradient(135deg, #18181f, #0e0e12);
  --poster-color: transparent;
}
.card .meta {
  padding: 10px 12px; display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--border); font-size: 12px;
}
.card .meta .sku { font-weight: 600; letter-spacing: 0.3px; }
.card .meta .size { color: var(--muted); font-variant-numeric: tabular-nums; }
.card .actions { display: flex; gap: 6px; }
.card .actions a {
  text-decoration: none; color: var(--muted); padding: 4px 8px;
  border-radius: 4px; font-size: 11px; border: 1px solid var(--border);
}
.card .actions a:hover { color: var(--accent); border-color: var(--accent); }

.empty {
  grid-column: 1/-1;
  text-align: center; padding: 60px 20px; color: var(--muted);
}
.empty code { color: var(--accent); }

/* Modal */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.92);
  display: none; align-items: center; justify-content: center; z-index: 100;
  padding: 20px;
}
.modal.open { display: flex; }
.modal .stage {
  width: min(1200px, 96vw); height: min(800px, 90vh);
  background: var(--panel); border-radius: 12px; border: 1px solid var(--border);
  position: relative; display: flex; flex-direction: column;
}
.modal model-viewer {
  flex: 1; width: 100%; min-height: 0;
  --progress-bar-color: var(--accent);
}
.modal .top {
  padding: 12px 16px; display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--border);
}
.modal .top .sku { font-weight: 600; font-size: 15px; }
.modal .top .size { color: var(--muted); font-size: 12px; }
.modal .top button {
  margin-left: auto; background: transparent; color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 5px 10px;
  cursor: pointer;
}
.modal .top button:hover { border-color: var(--accent); color: var(--accent); }