.app{display:flex;flex-direction:column;height:100%}.app__header{padding:14px 20px;border-bottom:1px solid var(--line)}.app__header h1{margin:0;font-size:20px}.app__header p{margin:2px 0 0;color:var(--muted);font-size:13px}.app__main{flex:1;display:flex;gap:16px;padding:16px;min-height:0}.sim-canvas{flex:1;min-width:0;height:100%;display:block;border:1px solid var(--line);border-radius:10px;background:#0f1420}.app__panel{width:290px;display:flex;flex-direction:column;gap:18px}.controls,.readout{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px}.controls{display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:6px;font-size:13px}.field__label{display:flex;justify-content:space-between;color:var(--muted)}.field__label b{color:var(--text);font-weight:600}input[type=range]{width:100%;accent-color:var(--accent)}.presets{display:flex;gap:8px}.preset{flex:1;padding:6px;background:#1b2438;color:var(--text);border:1px solid var(--line);border-radius:8px;cursor:pointer}.preset:hover{border-color:var(--accent)}.toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.actions{display:flex;gap:8px}.actions button{flex:1;padding:9px;border:1px solid var(--line);border-radius:8px;background:#1b2438;color:var(--text);font-weight:600;cursor:pointer}.actions .primary{background:var(--primary);color:#1a1300;border-color:transparent}.readout{display:flex;flex-direction:column;gap:10px}.stat{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.stat__label{color:var(--muted);font-size:13px}.stat__value{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}.stat__hint{color:var(--muted);font-size:11px}.app__footer{padding:8px 20px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}@media (max-width: 760px){.app__main{flex-direction:column}.app__panel{width:auto}}:root{color-scheme:dark;--bg: #0b0f19;--panel: #131a2a;--line: #243049;--text: #e7edf7;--muted: #9fb0c8;--accent: #4cc9f0;--primary: #ffd166}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:15px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}