@import url('https://fonts.googleapis.com/css2?family=Figtree:wght@400;500;600;700;800&family=Nunito+Sans:wght@400;500;600;700&display=swap');
:root{--navy:#001e2e;--teal:#007d79;--aqua:#3ddbd9;--ink:#161616;--muted:#52616b;--line:#dfe5e8;--paper:#f4f6f7;color-scheme:light}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.6 'Nunito Sans',sans-serif}a{color:var(--teal);text-underline-offset:3px}a:hover{color:#005d59}button,input,select{font:inherit}button,a,input,select{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #0f62fe}h1,h2,h3,h4,.brand,.button{font-family:Figtree,sans-serif;line-height:1.2}h1,h2,h3,h4,p{margin-top:0}h1{font-size:40px;letter-spacing:-.7px;margin-bottom:16px}h2{font-size:28px}h3{font-size:22px}.wrap{max-width:1248px;margin:auto;padding:0 24px}.skip{position:absolute;top:-60px;background:white;padding:10px;z-index:10}.skip:focus{top:0}.topbar{background:var(--navy);border-bottom:1px solid #ffffff26}.topbar .wrap{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:20px;text-decoration:none;color:white!important;font-weight:600}.brand img{width:136px;height:30px;object-fit:contain}.brand span{border-left:1px solid #ffffff50;padding-left:20px;font-size:16px;letter-spacing:1px}.topbar nav{display:flex;gap:28px}.topbar nav a{color:white;font-weight:700;text-decoration:none;font-size:14px}.topbar nav a[aria-current]{color:var(--aqua)}.hero{background:var(--navy);color:white;padding:24px 0 52px;position:relative;overflow:hidden}.hero::after{content:'';position:absolute;width:350px;height:350px;right:-100px;top:-150px;border:1px solid #3ddbd935;border-radius:50%;box-shadow:0 0 0 50px #3ddbd910,0 0 0 100px #3ddbd907;pointer-events:none}.hero .wrap{position:relative;z-index:1}.crumb{display:flex;align-items:center;gap:10px;color:#c3d1d8;font-size:14px;margin:0 0 30px;flex-wrap:wrap}.crumb a{color:#c3d1d8;text-decoration:none}.eyebrow{font-size:12px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:var(--aqua);margin-bottom:16px}.hero h1{max-width:980px;overflow-wrap:anywhere}.hero h1 em{color:var(--aqua);font-style:normal}.hero p{color:#d3e2e9;max-width:740px;font-size:18px;margin-bottom:0}.tabs{display:flex;gap:10px;margin-top:30px}.tabs a{display:inline-flex;align-items:center;gap:12px;border:1px solid #ffffff55;border-radius:6px;padding:12px 20px;color:white;text-decoration:none;font-weight:700}.tabs a[aria-current],.tabs a:hover{background:var(--teal);border-color:var(--teal)}main.wrap{padding-top:36px;padding-bottom:60px;min-height:50vh}.stats{display:flex;gap:36px;margin-top:24px}.stats strong{font:700 28px Figtree,sans-serif;color:white}.stats span{display:block;font-size:13px;color:#c3d1d8}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.card,.panel{background:white;border:1px solid var(--line);border-radius:8px;padding:28px}.card{display:flex;flex-direction:column;align-items:flex-start}.card h2{margin-bottom:12px}.card p{color:var(--muted)}.card .button{margin-top:auto}.card-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:10px;background:#e6f5f3;color:var(--teal);font-size:25px;margin-bottom:24px}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:12px 22px;border:1px solid var(--teal);border-radius:24px;background:var(--teal);color:white;text-decoration:none;font-size:14px;font-weight:700;cursor:pointer}.button:hover{color:white;background:#005d59}.button.secondary{background:white;color:var(--teal)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.section-heading h2{margin:0}.section-heading p{margin:0;color:var(--muted);font-size:14px}.note{font-size:14px;color:var(--muted);margin:24px 0}.filterbar{display:grid;grid-template-columns:minmax(230px,1fr) 180px 210px;gap:18px;padding:24px;background:white;border:1px solid var(--line);border-radius:8px;margin-bottom:24px}.field label{display:block;font-size:13px;font-weight:800;margin-bottom:6px}.field input,.field select{width:100%;border:1px solid #a8b5bd;border-radius:5px;background:white;min-height:46px;padding:10px 12px;color:var(--ink)}.listing{display:grid;gap:14px}.problem-card{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 26px;background:white;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}.problem-card:hover{border-color:var(--teal);box-shadow:0 5px 18px #001e2e15;color:var(--ink)}.problem-card h2{font-size:23px;margin:6px 0 9px;overflow-wrap:anywhere}.problem-card p{margin:0;color:var(--muted);font-size:14px}.problem-card .open{color:var(--teal);font-weight:800;font-size:14px;white-space:nowrap}.meta{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.badge{display:inline-block;border-radius:4px;background:#edf3f4;padding:3px 8px;color:#34464f;font-size:12px}.badge.teal{background:#dff4ef;color:#005d59}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:30px}.pagination a,.pagination button{padding:7px 15px;border:1px solid var(--line);border-radius:5px;background:white;text-decoration:none;cursor:pointer;color:var(--teal)}.pagination a[aria-current]{background:var(--teal);color:white;border-color:var(--teal)}.pagination button:disabled{opacity:.45;cursor:default}.year-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.year-card{background:white;border:1px solid var(--line);border-radius:8px;padding:24px;text-decoration:none;color:var(--ink)}.year-card:hover{border-color:var(--teal)}.year-card h2{font-size:25px;color:var(--teal);margin-bottom:12px}.year-card p{font-size:14px;margin:0;color:var(--muted)}.problem-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:28px;align-items:start}.problem-body{min-width:0}.problem-body article>div{background:white;border:1px solid var(--line);border-radius:8px;padding:28px;margin-bottom:20px;overflow-wrap:anywhere}.problem-body article h3{font-size:24px;margin-bottom:24px}.problem-body article h4{margin:24px 0 12px}.problem-body article img{max-width:100%;height:auto}.problem-body article table{max-width:100%;border-collapse:collapse;display:block;overflow-x:auto}.problem-body article td,.problem-body article th{border:1px solid var(--line);padding:8px 12px}.problem-body article pre{font:14px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:#f4f7f8;border:1px solid #e4eaed;border-radius:6px;padding:16px;margin:12px 0}.problem-body article code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}.problem-body article dl{display:grid;grid-template-columns:160px minmax(0,1fr);gap:12px 20px;margin:0}.problem-body article dt{font-weight:800}.problem-body article dd{margin:0;overflow-wrap:anywhere}.problem-body article ul,.problem-body article ol{padding-left:24px}.problem-body article li{margin-bottom:12px}.problem-body article ol>li{padding:0 0 18px 4px;border-bottom:1px solid var(--line);margin-bottom:22px}.problem-body article ol>li:last-child{border:0;margin-bottom:0}.sidebar{position:sticky;top:24px}.sidebar .panel{padding:22px;margin-bottom:18px}.sidebar h2{font-size:18px;margin-bottom:18px}.sidebar ul{list-style:none;padding:0;margin:0}.sidebar li{margin:10px 0}.sidebar a{font-size:14px;text-decoration:none}.sidebar p{font-size:14px;color:var(--muted);margin-bottom:12px}.sidebar dl{font-size:14px}.sidebar dt{color:var(--muted);margin-top:12px}.sidebar dd{margin:0;font-weight:700}.legal{font-size:12px;color:var(--muted);margin:24px 0}.empty{padding:50px 24px;text-align:center;background:white;border:1px solid var(--line);border-radius:8px}.footer{border-top:1px solid var(--line);background:white;color:var(--muted);font-size:13px;padding:24px 0}.footer .wrap{display:flex;justify-content:space-between;gap:20px}.footer a{color:var(--muted)}[hidden]{display:none!important}
@media(max-width:850px){h1{font-size:34px}.problem-layout{grid-template-columns:1fr}.sidebar{position:static;order:-1}.sidebar .toc{display:none}.sidebar .panel{margin:0}.sidebar dl{display:flex;gap:24px;flex-wrap:wrap}.filterbar{grid-template-columns:1fr 1fr}.filterbar .field:first-child{grid-column:1/-1}.year-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.wrap{padding-left:18px;padding-right:18px}.topbar .wrap{min-height:72px;gap:16px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}.brand img{width:112px}.brand span{font-size:13px;padding-left:12px}.brand{gap:12px}.topbar nav{gap:20px}.hero{padding-bottom:32px}.crumb{margin-bottom:22px}h1{font-size:30px}.hero p{font-size:16px}.grid,.year-grid{grid-template-columns:1fr}.card,.panel{padding:22px}.tabs{gap:8px}.tabs a{padding:10px 14px;font-size:14px}.stats{gap:24px}.stats strong{font-size:25px}.filterbar{padding:18px;gap:14px;grid-template-columns:1fr}.filterbar .field:first-child{grid-column:auto}.problem-card{padding:20px;gap:12px}.problem-card .open{font-size:0}.problem-card .open::after{content:'→';font-size:24px}.problem-card h2{font-size:21px}.section-heading{align-items:flex-start;flex-direction:column;gap:6px}.problem-body article>div{padding:20px}.problem-body article dl{grid-template-columns:1fr;gap:4px}.problem-body article dd{margin-bottom:12px}.footer .wrap{flex-direction:column;gap:8px}.sidebar dl{margin-bottom:0}.sidebar .panel{padding:18px}}

.problem-body article ol>li>div>div{white-space:pre-wrap}