:root{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#172c35;background:#f4f5f0;font-size:15px;--ink:#173f39;--accent:#c7ef73;--line:#d8ded6}*{box-sizing:border-box}body{margin:0}header{padding:24px 4%;display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line);background:#fff}a{color:inherit}.brand{text-decoration:none;font-weight:800;letter-spacing:-.5px}.brand span{margin-left:22px;font-size:21px}.brand i{font-family:Georgia,serif;font-weight:400}#connection{margin-left:auto;font-size:12px;color:#55675f}button{border:0;border-radius:6px;background:var(--ink);color:#fff;padding:11px 16px;font:inherit;font-weight:600;cursor:pointer}button:hover{filter:brightness(1.12)}button:disabled{opacity:.5;cursor:wait}button.quiet{background:transparent;color:var(--ink);padding:7px 8px;font-size:12px}button.secondary{background:#e9eee5;color:var(--ink)}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #8bbf37;outline-offset:3px}nav{display:flex;gap:8px;padding:23px 4% 14px}nav button{background:transparent;color:#627268;border:1px solid var(--line);flex:1;text-align:left}nav button.active{background:var(--ink);color:#fff}nav small{display:block;font-size:11px;margin-bottom:4px;opacity:.8}#caseboard{display:flex;gap:10px;padding:0 4% 22px;flex-wrap:wrap}#caseboard span{font-size:12px;color:#6b786f;border-left:2px solid #ccd4c5;padding:4px 10px}#caseboard span.done{border-color:#82a943;color:#233f30}main{display:grid;grid-template-columns:minmax(320px,.85fr) minmax(480px,1.4fr);gap:28px;padding:0 4% 32px;align-items:start}aside,.workbench{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.switch{display:flex;border-bottom:1px solid var(--line);padding:10px;gap:7px}.switch button{flex:1;background:transparent;color:#64736a;font-size:13px}.switch button.active{background:#e9f3d9;color:var(--ink)}#guide{padding:26px}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:700;color:#65765c;text-transform:uppercase}h1{font-size:30px;line-height:1.15;letter-spacing:-.9px;margin:12px 0 18px}h2{font-size:22px;letter-spacing:-.5px}h3{font-size:15px}p{line-height:1.6}.muted{color:#68776f}.clue{background:#f0f5e7;border-left:3px solid #9ecb53;padding:13px 15px;font-size:14px}.controls{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.controls button{font-size:12px}.editor-head{display:flex;justify-content:space-between;padding:16px 20px;background:#eef1eb;font-size:11px;letter-spacing:1px}#sql{display:block;width:100%;min-height:285px;resize:vertical;padding:23px;background:#142d2a;color:#e6f5df;border:0;font:14px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}#sql:focus{outline:2px solid #b2d96e;outline-offset:-2px}.actions{display:flex;align-items:center;gap:10px;padding:13px 18px;background:#f8faf4;flex-wrap:wrap}#status{font-size:12px;color:#5c7062;flex:1}.actions #run{background:var(--accent);color:#1c382a}#results{padding:20px;min-height:150px;max-height:410px;overflow:auto}table{border-collapse:collapse;width:100%;font:12px/1.6 ui-monospace,monospace;margin:10px 0}th,td{text-align:left;border-bottom:1px solid #e2e8dd;padding:8px;vertical-align:top;max-width:450px;white-space:pre-wrap;overflow-wrap:anywhere}th{background:#edf2e7;color:#3e5845} .table-wrap{overflow:auto}details{border-top:1px solid var(--line);padding:15px 20px}summary{cursor:pointer;font-size:13px;font-weight:600}#guide details{padding:13px 0}code{background:#eef2e8;border-radius:3px;padding:2px 4px;font-size:.9em}pre{font:12px/1.6 ui-monospace,monospace;overflow:auto;background:#f1f4ec;padding:14px;white-space:pre-wrap}label.field{display:block;font-size:12px;margin:14px 0 6px}input{font:inherit;border:1px solid #c8d3c1;border-radius:5px;padding:10px;width:100%;background:#fff}.success{color:#316418;background:#edf7df;padding:12px;border-radius:6px}.error{color:#983d29;white-space:pre-wrap}.reveal{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}footer{padding:18px 4%;color:#68776f;font-size:12px;border-top:1px solid var(--line)}dialog{border:1px solid var(--line);border-radius:12px;padding:26px;max-width:600px}dialog::backdrop{background:#142d2a77}.timer{font-size:28px;font-variant-numeric:tabular-nums}.rank{background:#eef5e3;padding:12px;border-radius:6px;margin-top:10px}.demo-tables{max-height:340px;overflow:auto} @media(max-width:850px){header{flex-wrap:wrap;padding:18px}.brand span{font-size:17px;margin-left:10px}#connection{margin-left:0}nav{overflow:auto}nav button{min-width:120px}main{grid-template-columns:1fr;padding:0 16px 22px;gap:16px}#guide{padding:20px}h1{font-size:26px}#caseboard{padding-left:18px}#sql{min-height:240px}#results{max-height:340px}}

#admin{width:min(1100px,95vw);max-width:1100px;max-height:90vh;overflow:auto}#admin-results .rank{margin:16px 0}#admin-results table{background:#fff}