:root{--bg:#f5f7fb;--panel:#fff;--ink:#162033;--muted:#667085;--line:#e5e7ef;--primary:#2457d6;--primary-soft:#eaf0ff;--green:#168a52;--orange:#b46017;--shadow:0 18px 45px rgba(16,24,40,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit;text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;width:224px;padding:22px 16px;background:#111827;color:#fff;display:flex;flex-direction:column;gap:28px}.brand-mark{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,#2457d6,#7c3aed);display:grid;place-items:center;font-weight:900;font-size:24px}.sidebar nav{display:grid;gap:8px}.sidebar a{display:flex;align-items:center;gap:10px;padding:12px;border-radius:12px;color:#cbd5e1}.sidebar 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