:root{color-scheme:dark;--bg:#0d131c;--panel:#141d29;--text:#edf1ee;--muted:#95a3b5;--lime:#b9f578;--border:#2a3543}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,sans-serif}main{max-width:1280px;margin:auto;padding:32px 40px}header{display:flex;justify-content:space-between;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--border)}.brand{color:var(--text);font-size:12px;letter-spacing:2px;text-decoration:none}.tag,small,.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted)}.hero{display:flex;align-items:center;justify-content:space-between;padding:60px 0 46px}.eyebrow{color:var(--lime)}h1{font-size:clamp(42px,6vw,76px);line-height:1.04;font-weight:500;letter-spacing:-3px;margin:20px 0}h1 em{font-family:Georgia,serif;font-weight:400;color:var(--lime)}.intro,.muted,.bottom p{color:var(--muted);line-height:1.7}.formula{display:grid;gap:12px;padding:36px;border-left:1px solid var(--border);min-width:310px}.formula span{font:36px Georgia,serif}.formula small:last-child{margin-top:16px;font-size:9px}form{display:flex;gap:16px;align-items:end;padding:24px;background:var(--panel);border:1px solid var(--border);border-radius:12px}label{display:grid;gap:8px;color:var(--muted);font-size:12px;flex:1}input{width:100%;min-width:0;background:#0d1520;border:1px solid #344150;border-radius:6px;padding:12px;color:var(--text);font:15px ui-monospace,monospace}button{cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);padding:12px 16px;border-radius:6px;font:12px system-ui,sans-serif;white-space:nowrap}button:hover{border-color:var(--lime)}button:disabled{opacity:.4;cursor:wait}button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:3px}.primary{background:var(--lime);color:#182111;font-weight:700;height:44px}.toolbar{display:flex;gap:10px;align-items:end;margin-top:14px}.toolbar label{max-width:180px}.toolbar input{padding:9px}#status{min-height:20px;color:var(--muted);font-size:12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);padding:24px 0 34px}.stats div{border-left:1px solid var(--border);padding-left:24px}.stats strong{display:block;margin-top:10px;font-size:30px;font-weight:400}.panel{padding:28px;border:1px solid var(--border);border-radius:12px;background:var(--panel)}.panelhead{display:flex;align-items:center;justify-content:space-between}h2{font-weight:500;font-size:24px;margin:8px 0}.navigation{display:flex;gap:6px}.muted{font-size:12px}.legend{display:flex;gap:16px;flex-wrap:wrap;margin:22px 0;font-size:10px;color:var(--muted)}.legend span:before{content:'';display:inline-block;width:7px;height:7px;background:var(--dot);border-radius:50%;margin-right:7px}.plot-title{font:14px ui-monospace,monospace;margin:24px 0 12px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(19px,1fr));gap:3px}.pair{display:flex;flex-direction:column;align-items:center;gap:5px;padding:5px 2px;border:1px solid transparent;border-radius:4px;background:#101823;min-width:0}.pair.twin{border-color:#67884b}.pair i{width:6px;height:6px;border-radius:50%;background:var(--c)}.pair:hover,.pair.selected{background:#344254;border-color:white}#detail{margin-top:24px;padding:16px;background:#0d1520;border-radius:6px;color:var(--lime);font:13px/1.7 ui-monospace,monospace}.bottom{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.bottom p{font-size:13px}#saved{display:flex;flex-wrap:wrap;gap:8px}footer{display:flex;justify-content:space-between;padding:36px 0 8px;font-size:10px;letter-spacing:1px;color:var(--muted)}@media(max-width:700px){main{padding:20px 16px}.hero{padding:32px 0}.formula,.tag{display:none}form{display:grid;grid-template-columns:1fr 1fr;padding:16px}.primary{grid-column:span 2}.toolbar{flex-wrap:wrap}.stats strong{font-size:22px}.stats div{padding-left:12px}.stats small{font-size:8px;letter-spacing:1px}.panel{padding:18px}.panelhead{display:block}.navigation{margin-top:16px}.bottom{grid-template-columns:1fr}footer span{display:none}}