:root{color-scheme:dark;--ink:#eaf5fa;--muted:#829cab;--line:#244254;--cyan:#52e0e9;--bg:#06121d;--panel:#0c1c29;--panel2:#122838;font-family:Inter,ui-sans-serif,system-ui,'Segoe UI',sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #70dbf2;outline-offset:2px}.mast{height:70px;border-bottom:1px solid var(--line);background:#081723;display:flex;align-items:center;justify-content:space-between;padding:0 26px}.brand,.topright{display:flex;align-items:center;gap:14px}.brand .mark{width:42px;height:42px;border:1px solid #428fa4;border-radius:11px;display:grid;place-items:center;color:var(--cyan);font-size:28px}.brand strong{font-size:17px;letter-spacing:1px}.brand b{color:var(--cyan)}.brand small{display:block;font-size:9px;color:#8baab8;letter-spacing:1.7px;margin-top:3px}.topright{gap:20px}.topright a{color:#c8eef4;text-decoration:none;font-size:11px;letter-spacing:1px}.seed,.engine{font-size:10px;font-weight:700;letter-spacing:1.1px;color:#83a9b9}.engine{padding:7px 10px;border-radius:8px;color:#7ee1cb;border:1px solid #295e62;background:#0c2a34}.layout{display:grid;grid-template-columns:minmax(0,1fr) 338px;height:calc(100vh - 145px);min-height:595px}.viewport{position:relative;overflow:hidden;background:radial-gradient(circle at 48% 36%,#17334b,#060e1a 68%)}canvas{width:100%;height:100%;display:block;touch-action:none}.hud.top{position:absolute;top:30px;left:36px;pointer-events:none;display:flex;gap:20px;align-items:start;right:30px;justify-content:space-between}.eyebrow{font-size:10px;font-weight:700;color:#62d3e5;letter-spacing:2.1px}.hud h1{margin:8px 0;font-size:clamp(25px,3vw,47px);letter-spacing:2px}.hud h1 em{font-style:normal;color:#64dae9}.hud p{margin:0;color:#9cb9ca;font-size:14px}.pill{font-size:10px;letter-spacing:1px;color:#9fbdc8;border:1px solid #365668;padding:8px 12px;border-radius:5px}.modebar{position:absolute;bottom:65px;left:50%;transform:translateX(-50%);display:flex;gap:3px;border:1px solid #2c5060;background:#091b29e9;backdrop-filter:blur(8px);padding:5px;border-radius:12px;box-shadow:0 12px 30px #0008;z-index:3}.modebar button{padding:12px 13px;border:0;border-radius:7px;color:#b1c7d4;background:transparent;font-size:10px;letter-spacing:.8px;white-space:nowrap;font-weight:800}.modebar button.active{background:#167d95;color:white}.modebar button:hover{color:white;background:#215064}.viewport-bottom{position:absolute;left:26px;right:23px;bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:9px;letter-spacing:.65px;color:#7e9bad}.simulation-warning{color:#e7b97d}.axislegend{position:absolute;left:26px;top:143px;color:#829cab;font-size:10px;letter-spacing:.6px}.axislegend i{font-style:normal;color:#55e1e9;font-size:16px}.controls{background:var(--panel);border-left:1px solid #2e4757;display:flex;flex-direction:column;min-height:0}.scroller{overflow-y:auto;flex:1;scrollbar-color:#375a6b transparent}.section{padding:19px 21px 23px;border-bottom:1px solid #263e4c}.sect-head{display:flex;align-items:center;gap:9px;margin-bottom:19px;font-size:10px;letter-spacing:1.15px}.sect-head>span{color:var(--cyan)}.sect-head strong{flex:1}.textbutton{color:var(--cyan);background:none;border:none;font-size:10px}.control{display:block;margin:0 0 21px}.control>div:first-child{display:flex;justify-content:space-between;gap:12px;color:#becdd6;font-size:12px;margin-bottom:10px}.control output{font-size:11px;color:var(--cyan)}input[type=range]{width:100%;appearance:none;height:4px;border-radius:7px;background:#244c60;accent-color:#48d1e1}input[type=range]::-webkit-slider-thumb{appearance:none;border:2px solid #b8f9fc;background:#1eafc9;border-radius:100%;width:15px;height:15px;box-shadow:0 0 8px #3ec9d78c}.button-pair,.preset-grid{display:grid;grid-template-columns:1fr 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spin{to{transform:rotate(360deg)}}@media(max-width:1050px){.layout{grid-template-columns:minmax(0,1fr) 295px}.modebar button{padding:9px;font-size:9px}.hud.top{left:20px;top:20px}}@media(max-width:720px){.mast{height:58px;padding:0 12px}.seed,.topright a{display:none}.layout{display:flex;flex-direction:column;height:auto;min-height:0}.viewport{height:60vh;min-height:370px}.controls{border-left:none}.system-list{max-height:260px}.hud.top{left:14px;right:14px;top:12px}.pill,.axislegend{display:none}.hud p{font-size:11px}.modebar{left:7px;right:7px;bottom:50px;transform:none;justify-content:space-around;gap:0;padding:3px}.modebar button{font-size:8px;padding:9px 6px}.simulation-warning{font-size:8px}.viewport-bottom{left:11px;right:11px;font-size:8px}#stats{display:none}}