:root{--ink:#111827;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--soft:#f8fafc;--panel:#fff;--bg:#f1f5f9;--good:#16a34a;--warn:#f59e0b;--bad:#dc2626;--nav:#111827;--link:#1d4ed8}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}body{margin:0}.shell{min-height:100vh}.topbar{background:var(--nav);color:#fff;padding:15px 22px;display:flex;gap:20px;align-items:center;justify-content:space-between;box-shadow:0 7px 18px rgba(15,23,42,.16)}.brand{color:#fff;text-decoration:none;font-size:18px;font-weight:800;letter-spacing:.02em}.brand small{font-size:11px;font-weight:600;opacity:.65;margin-left:7px}.topnav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.topnav a,.topnav button{display:inline-block;border:0;background:transparent;color:#e5e7eb;text-decoration:none;font:inherit;font-size:14px;padding:7px 9px;border-radius:8px;cursor:pointer}.topnav a:hover,.topnav 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