:root{--bg:#0f172a;--panel:#111827;--text:#e5e7eb;--muted:#9ca3af;--accent:#60a5fa;--green:#34d399;--red:#f87171;--yellow:#fbbf24}*{box-sizing:border-box}html,body,#root{height:100%}html,body{overflow:hidden}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--text)}.app{display:flex;flex-direction:column;height:100%}.header{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--panel);border-bottom:1px solid #1f2937}.header h1{font-size:16px;margin:0;font-weight:600}.content{display:grid;grid-template-columns:320px 1fr;gap:0;flex:1;min-height:0}.sidebar{border-right:1px solid #1f2937;padding:12px;overflow:auto}.canvasArea{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}.controls{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid #1f2937;background:var(--panel)}.explanation{padding:12px;border-top:1px solid #1f2937;height:260px;overflow:hidden;background:#0b1220}.select,.btn,.slider{background:#0b1220;color:var(--text);border:1px solid #1f2937;border-radius:8px;padding:8px 10px;font-size:13px}.btn{cursor:pointer}.btn.primary{background:#0b2345;border-color:#1d4ed8;color:#c7d2fe}.legend{display:flex;flex-wrap:wrap;gap:8px;padding:8px}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:999px;background:#0b1220;border:1px solid #1f2937;color:#cbd5e1;font-size:12px}.badge .dot{width:10px;height:10px;border-radius:50%}svg{width:100%;height:100%;background:#0b1220}.tooltip{position:absolute;pointer-events:none;background:#111827;color:#e5e7eb;border:1px solid #1f2937;border-radius:6px;padding:6px 8px;font-size:12px;transform:translate(-50%,-120%);white-space:nowrap}.small{color:var(--muted);font-size:12px}