:root{--bg: #070a0f;--panel: #0e131c;--panel-2: #131a26;--border: #1c2534;--text: #cdd6e4;--muted: #6b7688;--accent: #4aa3ff;--accent-press: #2b7fd6;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}.app{display:grid;grid-template-columns:320px 1fr;height:100vh}.sidebar{background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;padding:16px}.brand h1{margin:0;font-size:20px;letter-spacing:.5px}.brand .subtitle{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:1px}.controls section{margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}.controls section:first-child{border-top:none}.field-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:8px}.select,.text-input{width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:7px 8px;font-size:13px}.kind-badge{display:inline-block;margin:8px 0 0;font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:var(--accent);background:#4aa3ff1a;border:1px solid rgba(74,163,255,.25);border-radius:999px;padding:2px 8px}.description{color:var(--muted);font-size:12px;margin:8px 0 0}.transport{display:flex;gap:6px}.btn{flex:1;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:8px 6px;font-size:13px;cursor:pointer}.btn:hover{border-color:#2c3a52}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#051022;font-weight:600}.btn.primary:hover{background:var(--accent-press)}input[type=range]{width:100%;accent-color:var(--accent)}.seed-row{display:flex;gap:6px}.seed-row .text-input{flex:1}.seed-row .btn{flex:0 0 40px}.param{display:block;margin-bottom:12px}.param-label{display:block;font-size:12px;margin-bottom:3px}.param.toggle{display:flex;align-items:center;gap:8px}.param.toggle input{accent-color:var(--accent)}.stats-grid{display:flex;flex-direction:column;gap:5px}.stat-row{display:flex;align-items:center;gap:8px;font-size:13px}.stat-row .dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}.stat-label{flex:1;color:var(--muted)}.stat-value{color:var(--text)}.notes p{color:var(--muted);font-size:12px}.stage{display:grid;grid-template-rows:1fr 160px;min-width:0;min-height:0}.canvas-wrap{position:relative;min-height:0;padding:16px}.sim-canvas{width:100%;height:100%;display:block;border-radius:8px;border:1px solid var(--border);background:#0a0e14}.chart-strip{border-top:1px solid var(--border);padding:10px 16px;min-height:0}.chart-canvas{width:100%;height:100%;display:block;border-radius:6px}