:root {
  --bg: #0f1420;
  --bg-panel: #1a2133;
  --bg-hover: #232c45;
  --border: #2c3752;
  --text: #e8ecf5;
  --text-dim: #9aa5bd;
  --accent: #4f8cff;
  --accent-2: #2dd4bf;
  --shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 18px 28px;
  background: linear-gradient(180deg, #141b2e, #101627);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { font-size: 28px; }
.brand h1 { font-size: 22px; font-weight: 700; letter-spacing: 0.5px; }
.tagline { color: var(--text-dim); font-size: 13px; }

.controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.controls label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-dim); }
.controls select,
.controls input {
  background: var(--bg-panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
}
.controls select:focus,
.controls input:focus { border-color: var(--accent); }
.controls input { width: 240px; }

#breadcrumbs {
  padding: 12px 28px 0;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
#breadcrumbs .crumb { color: var(--text-dim); cursor: pointer; padding: 4px 8px; border-radius: 6px; }
#breadcrumbs .crumb:hover { background: var(--bg-hover); color: var(--text); }
#breadcrumbs .crumb.current { color: var(--text); font-weight: 600; cursor: default; }
#breadcrumbs .crumb.current:hover { background: transparent; }
#breadcrumbs .sep { color: var(--border); }

main { padding: 20px 28px 40px; max-width: 1400px; margin: 0 auto; }

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.panel h2 { font-size: 16px; font-weight: 600; margin-bottom: 14px; color: var(--text); }

#overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat .stat-value { font-size: 26px; font-weight: 700; color: var(--accent-2); }
.stat .stat-label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.6px; margin-top: 2px; }
.stat .stat-sub { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
@media (max-width: 960px) { .grid { grid-template-columns: 1fr; } }

/* Treemap */
#treemap { display: flex; flex-wrap: wrap; gap: 3px; }
.treemap-cell {
  border-radius: 6px;
  padding: 10px;
  cursor: pointer;
  min-width: 60px;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  transition: filter 0.15s, transform 0.15s;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.treemap-cell:hover { filter: brightness(1.2); transform: scale(1.02); z-index: 2; }
.treemap-cell .cell-name { font-size: 12px; font-weight: 600; text-shadow: 0 1px 3px rgba(0,0,0,0.7); }
.treemap-cell .cell-value { font-size: 11px; opacity: 0.9; text-shadow: 0 1px 3px rgba(0,0,0,0.7); }

/* List rows */
.list-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
}
.list-row:hover { background: var(--bg-hover); }
.list-row .swatch { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; }
.list-row .row-main { flex: 1; min-width: 0; }
.list-row .row-name { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-row .row-sub { font-size: 12px; color: var(--text-dim); }
.list-row .row-value { font-size: 14px; font-weight: 600; white-space: nowrap; }
.list-row .row-pct { font-size: 12px; color: var(--accent-2); min-width: 52px; text-align: right; }
.bar-track { height: 4px; background: var(--border); border-radius: 2px; margin-top: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 2px; }

/* Detail panel */
#detail-panel { margin-bottom: 20px; }
#detail-title { display: flex; align-items: center; gap: 10px; }
#detail-title .badge { font-size: 12px; background: var(--bg-hover); padding: 3px 10px; border-radius: 20px; color: var(--text-dim); }
.detail-table { width: 100%; border-collapse: collapse; }
.detail-table th, .detail-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
.detail-table th { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.detail-table tr:hover td { background: var(--bg-hover); }
.detail-table td.num, .detail-table th.num { text-align: right; font-variant-numeric: tabular-nums; }

.hidden { display: none !important; }

/* Search results */
.search-group-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text-dim); margin: 14px 4px 6px; }

footer {
  padding: 14px 28px 24px;
  color: var(--text-dim);
  font-size: 12px;
  text-align: center;
}

.empty-state { color: var(--text-dim); padding: 30px; text-align: center; font-size: 14px; }