:root{--bg:#081015;--panel:#101b22;--panel2:#14242c;--ink:#e8f1ed;--muted:#91a7a5;--line:#253840;--lime:#b7ed67;--cyan:#57d8d0;--gold:#ffc65c;--red:#ff7477;--purple:#b69cff}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 15% 0,#153038 0,transparent 34%),var(--bg);color:var(--ink);font:15px/1.5 Inter,Segoe UI,sans-serif}header{max-width:1500px;margin:auto;padding:42px 32px 18px;display:flex;align-items:end;justify-content:space-between;border-bottom:1px solid var(--line)}h1{font-size:clamp(32px,5vw,68px);line-height:.95;margin:8px 0;letter-spacing:-.045em}h2{margin:3px 0 14px;font-size:24px}h3{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.eyebrow,.kicker{font:700 11px/1.2 ui-monospace,monospace;letter-spacing:.18em;color:var(--lime)}.status,.muted,.tip{color:var(--muted)}main{max-width:1500px;margin:auto;padding:24px 32px 80px}.panel{background:linear-gradient(145deg,rgba(20,36,44,.96),rgba(12,23,29,.96));border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 16px 50px #0004}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}.two-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.timeline-panel,.graph-panel,.compare-panel{margin-top:20px}.panel-title{display:flex;align-items:start;justify-content:space-between;gap:20px}form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}input,button{border:1px solid #34505a;background:#0a151a;color:var(--ink);border-radius:8px;padding:9px 11px;font:inherit}input{width:120px}button{background:var(--lime);color:#10200d;border:0;font-weight:800;cursor:pointer}.number-summary{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:12px 0}.stat{background:#0a151a;border:1px solid var(--line);padding:10px;border-radius:9px}.stat strong{display:block;font-size:22px}.stat small{color:var(--muted)}.notation{display:grid;grid-template-columns:90px 1fr;gap:10px;padding:10px 0;border-top:1px solid var(--line)}.notation label{color:var(--muted)}code{font:14px ui-monospace,monospace;white-space:nowrap;overflow:auto}.tree{overflow:auto;padding:12px;background:#0a151a;border-radius:12px;min-height:130px}.tree-node{display:flex;flex-direction:column;align-items:center;min-width:max-content}.node-label{border:1px solid #3a5c66;border-radius:8px;padding:6px 10px;background:#132a33}.tree-children{display:flex;gap:18px;padding-top:24px}.tree-child{position:relative;text-align:center}.tree-child:before{content:"";position:absolute;top:-18px;left:50%;height:18px;border-left:1px solid #55727a}.edge-label{color:var(--gold);font:11px ui-monospace;margin-bottom:5px}.carry-chart{min-height:250px;display:flex;gap:12px;align-items:end;padding:20px 0;border-bottom:1px solid var(--line)}.carry-bar{flex:1;max-width:70px;text-align:center}.carry-bar .fill{background:linear-gradient(var(--cyan),#247b83);border-radius:6px 6px 0 0;min-height:10px}.carry-bar strong{display:block;color:var(--cyan)}.callout{margin-top:18px;padding:14px;border-left:3px solid var(--gold);background:#0b171c}.legend{display:flex;gap:18px;margin:8px 0}.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px}.h1{background:var(--cyan)}.h2{background:var(--gold)}.h3{background:var(--red)}.h4{background:var(--purple)}canvas{width:100%;display:block;background:#091319;border-radius:12px}.bars{display:flex;align-items:end;height:230px;gap:12px;padding-top:20px}.bar-wrap{height:100%;flex:1;display:flex;flex-direction:column;justify-content:end;text-align:center}.bar{background:linear-gradient(var(--lime),#568438);border-radius:6px 6px 0 0;min-height:2px}.bar-value{font:12px ui-monospace;color:var(--muted);overflow:hidden}.bar-label{padding-top:7px;color:var(--ink)}.comparison{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.compare-card{background:#091319;padding:15px;border-radius:11px;border-top:3px solid var(--cyan);overflow:hidden}.compare-card.result{border-color:var(--gold)}.compare-card h3{font-size:18px;color:var(--ink);margin:0}.compare-card code{display:block;margin-top:8px}.error{color:var(--red)}@media(max-width:900px){.hero-grid,.two-grid{grid-template-columns:1fr}.number-summary{grid-template-columns:repeat(2,1fr)}.comparison{grid-template-columns:1fr 1fr}header{align-items:start;flex-direction:column}.panel-title{flex-direction:column}}