:root{
  --bg:#0b0b0b; --panel:#ffffff; --text:#111; --muted:#666; --border:#ddd;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);min-height:100vh}
#app{display:flex;height:100%}
#app{display:flex}
.topbar{position:fixed;left:0;right:0;top:0;height:56px;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;z-index:999;}
.topbar-inner{max-width:1200px;margin:0 auto;padding:0 16px;font-size:16px;font-weight:600}
.sidebar{width:320px;max-width:40vw;padding:72px 16px 16px 16px;border-right:1px solid var(--border);background:var(--panel);overflow:auto}
.sidebar label{display:block;margin:8px 0}
.sidebar select{width:100%;padding:6px}
.legend{margin:12px 0}
.legend-grid{display:grid;grid-template-columns:repeat(3,32px);grid-template-rows:repeat(3,32px);gap:4px}
.legend-grid .cell{width:32px;height:32px;border:1px solid #fff;cursor:pointer;outline:1px solid rgba(0,0,0,0.2)}
.legend-grid .cell.active{outline:3px solid #000}
.legend-container{margin:12px 0}
#legend{margin:12px 0}
#legend svg{display:block;width:100%;max-width:280px;height:auto}
.actions{display:flex;gap:8px;margin:12px 0}
.main{position:relative;flex:1}
#map{position:absolute;inset:0}
#scatter{position:absolute;right:20px;bottom:40px;width:360px;height:280px;background:rgba(255,255,255,0.92);border:1px solid var(--border);backdrop-filter:saturate(120%) blur(4px);padding:8px}
.tooltip{position:absolute;pointer-events:none;background:#fff;border:1px solid var(--border);padding:6px 8px;border-radius:4px;font-size:12px;box-shadow:0 2px 8px rgba(0,0,0,0.15)}