:root{--navy:#0f1a2e;--teal:#14b8a6;--ink:#e6edf7;--muted:#94a3b8;--line:#22304a;--bg:#060b17;--amber:#fbbf24;--red:#f87171;--green:#34d399;color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:var(--teal)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #e7b554;outline-offset:3px}.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}.rail{background:var(--navy);color:white;padding:30px 20px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.brand{font-size:1.2rem;letter-spacing:-.03em;font-weight:750;margin:0 10px 8px}.brand 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p{margin:0}.kv{display:grid;grid-template-columns:125px minmax(0,1fr);gap:10px;font-size:.92rem;margin:18px 0}.kv dt{color:var(--muted)}.kv dd{margin:0}.quote{background:#0e1729;border-left:3px solid #7ab3d3;padding:15px 18px;line-height:1.75;font-size:.94rem;margin:12px 0}.cites{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.cite{border:1px solid #355564;border-radius:4px;background:#0e1729;color:#86dcea;padding:4px 7px;font-family:ui-monospace,monospace;font-size:.78rem}.steps{display:grid;gap:9px}.step{display:flex;align-items:center;gap:14px;padding:14px;border:1px solid var(--line);border-radius:6px;background:#0e1729;text-align:left;width:100%;color:var(--ink)}.step.active{border-color:var(--teal);background:#172c2c}.step b{font-size:.84rem;color:var(--teal);min-width:25px}.step strong{font-size:.95rem;display:block}.step small{font-size:.8rem;color:var(--muted);display:block;margin-top:3px}.agentlayout{display:grid;grid-template-columns:280px 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20px;border-radius:6px;z-index:5;display:none;max-width:420px}.pillnav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.pillnav button{border:1px solid var(--line);background:#0e1729;padding:9px 12px;border-radius:5px;font-size:.86rem;color:var(--ink)}.pillnav .active{background:var(--navy);color:#fff}.legend{font-size:.81rem;color:var(--muted);line-height:1.6}.reviewitem{border-top:1px solid var(--line);padding:15px 0}.reviewitem p{font-size:.91rem;line-height:1.6}.method{padding:12px 18px;background:#0e1729;border-bottom:1px solid var(--line);font-size:.8rem;color:var(--muted);text-align:center}.gate{border-left:3px solid #d69a3a;padding-left:13px}.downloadgrid{display:flex;gap:10px;flex-wrap:wrap}.unresolved{font-weight:600;color:var(--amber)}
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@media(max-width:760px){.shell{display:block}.rail{position:static;height:auto;padding:18px}.brand{margin:0}.rail nav{display:flex;overflow:auto;margin:17px 0 0;padding-bottom:4px}.nav{white-space:nowrap;padding:10px}.rail-note{display:none}.body{padding:22px 16px}.topbar{padding:18px 16px}.pagehead{display:block}.pagehead .actions{margin-top:16px}.pagehead h1{font-size:1.6rem}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:1fr 1fr}.panel{padding:18px}.scenario{flex-wrap:wrap}.scenario select{max-width:100%}.facts{grid-template-columns:1fr}.kv{grid-template-columns:100px minmax(0,1fr)}.split{align-items:flex-start;flex-wrap:wrap}}

.rail{overflow-y:auto;}
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@media(max-width:980px){.req-columns{grid-template-columns:1fr}.req-columns>section+section{border-left:0;border-top:1px solid var(--line)}}
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