:root {
  --bg: #0b0f1a;
  --panel: #131a2a;
  --panel-2: #0f1524;
  --line: #243149;
  --text: #e7ecf5;
  --muted: #8a97b0;
  --accent: #6366f1;
  --radius: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, #1a2336 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 22px 28px 12px; flex-wrap: wrap;
}
.brand h1 { margin: 0; font-size: 26px; letter-spacing: -0.02em; }
.tagline { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.meta { display: flex; align-items: center; gap: 12px; }
.updated { color: var(--muted); font-size: 13px; }
.btn {
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  padding: 8px 14px; border-radius: 10px; cursor: pointer; font-size: 14px;
  transition: background .15s, transform .05s;
}
.btn:hover { background: #1b2438; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: default; }

/* ---------- Controls ---------- */
.controls {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 28px 18px; position: sticky; top: 0; z-index: 20;
  background: linear-gradient(var(--bg), rgba(11,15,26,.85)); backdrop-filter: blur(6px);
}
.control.search { flex: 1 1 320px; }
.control.search input {
  width: 100%; padding: 12px 14px; border-radius: 12px;
  background: var(--panel); border: 1px solid var(--line); color: var(--text); font-size: 15px;
}
.control.search input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.control.filter { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.control.filter select {
  background: var(--panel); border: 1px solid var(--line); color: var(--text);
  padding: 10px 12px; border-radius: 12px; font-size: 14px; cursor: pointer;
}
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-left: auto; }
.legend .dot { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.legend .dot i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

/* ---------- Search summary ---------- */
.search-summary {
  margin: 0 28px 18px; padding: 16px 18px; border: 1px solid var(--line);
  background: var(--panel-2); border-radius: var(--radius);
}
.search-summary h3 { margin: 0 0 12px; font-size: 15px; }
.summary-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.summary-card { border: 1px solid var(--line); border-left-width: 4px; border-radius: 10px; padding: 10px 12px; background: var(--panel); }
.summary-card .src { font-size: 12px; color: var(--muted); }
.summary-card .pos { font-size: 14px; margin-top: 4px; }
.summary-card .pos b { font-size: 18px; }
.summary-card .none { color: var(--muted); font-style: italic; }
.hidden { display: none; }

/* ---------- Zones grid ---------- */
.zones {
  display: grid; gap: 18px; padding: 0 28px 40px;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
}
.zone {
  background: var(--panel); border: 1px solid var(--line); border-top: 4px solid var(--zone, var(--accent));
  border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; min-height: 200px;
}
.zone-head { padding: 14px 16px 10px; }
.zone-title { display: flex; align-items: center; gap: 8px; }
.zone-title .name { font-size: 16px; font-weight: 650; }
.zone-title .name a { text-decoration: none; }
.zone-title .name a:hover { text-decoration: underline; }
.zone-blurb { color: var(--muted); font-size: 12px; margin: 6px 0 10px; line-height: 1.4; }
.zone-cat { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.zone-cat select {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  padding: 6px 8px; border-radius: 8px; font-size: 13px; cursor: pointer;
}
.zone-metric { font-size: 11px; color: var(--muted); }
.zone-note { font-size: 11px; color: #d9a441; margin-top: 6px; }
.zone-err { font-size: 11px; color: #ef6b6b; margin-top: 6px; }

.rows { list-style: none; margin: 0; padding: 6px 8px 12px; overflow-y: auto; max-height: 560px; }
.row {
  display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 10px;
  padding: 8px 8px; border-radius: 9px;
}
.row + .row { border-top: 1px solid #1a2235; }
.row .rank { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; text-align: center; }
.row .rank.top { color: var(--zone, var(--accent)); font-weight: 800; }
.row .who { min-width: 0; }
.row .model { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .org { font-size: 11px; color: var(--muted); }
.row .badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 3px; }
.row .badge { font-size: 10px; color: var(--muted); background: var(--panel-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; }
.row .score { text-align: right; }
.row .score b { font-size: 15px; font-variant-numeric: tabular-nums; }
.row .score span { display: block; font-size: 10px; color: var(--muted); }
.row.match { background: color-mix(in srgb, var(--zone) 18%, transparent); outline: 1px solid var(--zone); }
.row.dim { opacity: .28; }

.empty { color: var(--muted); font-size: 13px; padding: 20px 16px; }

@media (max-width: 640px) {
  .topbar, .controls, .zones, .search-summary { padding-left: 16px; padding-right: 16px; }
  .legend { width: 100%; margin-left: 0; }
}