:root{--bg:#f4f6fb;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#dbe1ea;--blue:#2563eb;--purple:#7c3aed;--green:#15803d;--amber:#b45309;--red:#b91c1c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.shell{min-height:100vh}.top{background:#0f172a;color:#fff;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;position:sticky;top:0;z-index:5}.brand{display:flex;gap:12px;align-items:center}.brandmark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#2563eb,#7c3aed);display:grid;place-items:center;font-weight:800}.brand strong{display:block}.brand small{color:#cbd5e1}.nav{display:flex;gap:6px;flex-wrap:wrap}.nav a{color:#cbd5e1;text-decoration:none;padding:8px 11px;border-radius:8px}.nav a.on,.nav a:hover{background:#1e293b;color:#fff}.logout{background:transparent;border:1px solid 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