:root{--bg: #f2f3f7;--panel: #ffffff;--ink: #111827;--muted: #586173;--line: #d8deeb;--deep: #0b1020;--teal: #0f766e;--teal-2: #14b8a6;--gold: #f59e0b;--rose: #e11d48}*{box-sizing:border-box}html,body,#root{margin:0;width:100%;min-height:100%;background:radial-gradient(circle at top left,#e6fffb,var(--bg));color:var(--ink);font-family:Avenir Next,Segoe UI,sans-serif}.shell{min-height:100vh;display:grid;grid-template-rows:auto auto 1fr auto}.topbar{background:linear-gradient(120deg,#0f172a,#1e293b);color:#ecfeff;padding:18px 24px;display:flex;justify-content:space-between;gap:24px}.topbar h1{margin:0;font-size:1.4rem}.topbar p{margin:4px 0 0;color:#cbd5e1;font-size:.92rem}.topbar-meta{display:grid;align-content:center;justify-items:end;gap:4px;font-size:.86rem}.route-nav{display:flex;gap:10px;padding:12px 24px;border-bottom:1px solid var(--line);background:#ffffffd6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.route-nav a{text-decoration:none;color:#334155;border:1px 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