:root {
  --bg: #0b1220;
  --bg-2: #111a2e;
  --panel: #16213a;
  --panel-2: #1c2a47;
  --border: #26344f;
  --text: #e6edf7;
  --muted: #93a4c0;
  --accent: #38bdf8;
  --hot: #16a34a;
  --warm: #ca8a04;
  --cold: #64748b;
  --radius: 12px;
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, #15233f 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
}

/* Topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.85); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  display: grid; place-items: center; width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent), #2563eb);
  border-radius: 10px; font-size: 24px; font-weight: 700; color: #03121f;
}
.topbar h1 { font-size: 18px; margin: 0; font-weight: 700; }
.topbar h1 span { color: var(--muted); font-weight: 500; }
.subtitle { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.topbar-actions { display: flex; gap: 10px; }

.btn {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #243456; border-color: var(--accent); }
.btn-ghost { background: transparent; width: 100%; margin-top: 8px; }

/* Stats */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; padding: 18px 22px;
}
.stat-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow);
}
.stat-card .value { font-size: 24px; font-weight: 700; }
.stat-card .label { color: var(--muted); font-size: 12px; margin-top: 4px; }
.stat-card.accent .value { color: var(--accent); }

/* Layout */
.layout { display: grid; grid-template-columns: 260px 1fr; gap: 18px; padding: 0 22px 30px; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.filters {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; align-self: start; position: sticky; top: 84px;
}
.filters h2 { margin: 0 0 14px; font-size: 15px; }
.filter-group { margin-bottom: 18px; }
.filter-group > label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.filter-group input[type="range"] { width: 100%; accent-color: var(--accent); }

/* Search box */
.search-box { position: relative; }
.search-box input {
  width: 100%; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px 8px 30px; font-size: 13px;
}
.search-box::before { content: "⌕"; position: absolute; left: 9px; top: 6px; color: var(--muted); font-size: 16px; }

/* Dual-thumb range slider (two stacked inputs sharing one track) */
.dual-range { position: relative; height: 34px; }
.dual-range .track { position: absolute; top: 14px; left: 0; right: 0; height: 5px; background: var(--panel-2); border-radius: 999px; }
.dual-range .fill { position: absolute; top: 14px; height: 5px; background: var(--accent); border-radius: 999px; }
.dual-range input[type="range"] {
  position: absolute; top: 8px; left: 0; width: 100%; margin: 0; height: 18px;
  background: none; pointer-events: none; -webkit-appearance: none; appearance: none;
}
.dual-range input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; pointer-events: auto;
  width: 16px; height: 16px; border-radius: 50%; background: var(--accent);
  border: 2px solid #03121f; cursor: pointer;
}
.dual-range input[type="range"]::-moz-range-thumb {
  pointer-events: auto; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); border: 2px solid #03121f; cursor: pointer;
}
.dual-range input[type="range"]::-moz-range-track { background: none; }
.filter-group select {
  width: 100%; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px;
}
.chip-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 11px; padding: 4px 9px; border-radius: 999px; cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
  user-select: none;
}
.chip.active { background: var(--accent); color: #03121f; border-color: var(--accent); font-weight: 600; }

/* Panels */
.content { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.panels { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 1100px) { .panels { grid-template-columns: 1fr; } }
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow);
}
.panel-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.panel-head h2 { font-size: 15px; margin: 0; }
.hint { color: var(--muted); font-size: 12px; font-weight: 400; }

/* US tile cartogram */
.us-map { display: grid; grid-template-columns: repeat(11, 1fr); gap: 4px; }
.state-tile {
  aspect-ratio: 1; border-radius: 6px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; cursor: pointer; border: 2px solid transparent;
  font-size: 10px; color: #03121f; font-weight: 700; transition: transform 0.1s;
}
.state-tile:hover { transform: scale(1.08); }
.state-tile.active { border-color: #fff; }
.state-tile .cnt { font-size: 9px; font-weight: 600; opacity: 0.85; }
.state-tile.empty { background: #1a2740 !important; color: #44557a; cursor: default; }
.state-tile.empty:hover { transform: none; }
.map-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; font-size: 11px; color: var(--muted); }
.map-legend .key { display: inline-flex; align-items: center; gap: 5px; }
.swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }

/* Histogram */
.histogram { display: flex; align-items: flex-end; gap: 6px; height: 180px; padding-top: 10px; }
.hist-bar { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 5px; height: 100%; justify-content: flex-end; }
.hist-bar .bar { width: 100%; background: linear-gradient(180deg, var(--accent), #2563eb); border-radius: 4px 4px 0 0; min-height: 2px; }
.hist-bar .tick { font-size: 9px; color: var(--muted); }
.hist-bar .cnt { font-size: 10px; color: var(--text); }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; cursor: pointer; position: sticky; top: 0; background: var(--panel); }
th[data-sort]:hover { color: var(--text); }
th.num, td.num { text-align: right; }
th.sorted::after { content: " ▾"; color: var(--accent); }
th.sorted.asc::after { content: " ▴"; }
tbody tr:hover { background: var(--panel-2); cursor: pointer; }
.score-pill { display: inline-block; min-width: 34px; text-align: center; padding: 3px 8px; border-radius: 999px; font-weight: 700; color: #03121f; }
.score-pill.hot { background: var(--hot); color: #eafff0; }
.score-pill.warm { background: var(--warm); color: #1f1500; }
.score-pill.cold { background: var(--cold); color: #f1f5f9; }
.badge-new { background: var(--accent); color: #03121f; font-size: 9px; padding: 1px 6px; border-radius: 999px; margin-left: 6px; font-weight: 700; vertical-align: middle; }
.muted { color: var(--muted); }
td select { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 4px; font-size: 12px; }
td .note-input { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 4px 6px; width: 130px; font-size: 12px; }

/* Drawer */
.drawer { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 40; display: flex; justify-content: flex-end; }
.drawer[hidden] { display: none; }   /* HTML [hidden] is overridden by display:flex without this */
.drawer-inner { width: min(460px, 92vw); height: 100%; background: var(--bg-2); border-left: 1px solid var(--border); padding: 22px; overflow-y: auto; }
.drawer-close { position: absolute; right: 18px; top: 16px; background: none; border: none; color: var(--muted); font-size: 18px; cursor: pointer; }
.drawer h3 { margin: 0 0 4px; }
.breakdown-row { display: flex; align-items: center; gap: 10px; margin: 8px 0; }
.breakdown-row .name { width: 110px; color: var(--muted); font-size: 12px; }
.breakdown-row .track { flex: 1; height: 8px; background: var(--panel-2); border-radius: 999px; overflow: hidden; }
.breakdown-row .fill { height: 100%; background: var(--accent); }
.breakdown-row .pts { width: 60px; text-align: right; font-size: 12px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; font-size: 13px; margin: 14px 0; }
.kv .k { color: var(--muted); }
.assumptions { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 12px; color: var(--muted); margin-top: 12px; }

.footer { padding: 20px 22px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--border); }
.footer code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; }