:root{--bg:#eef7f8;--panel:#ffffff;--ink:#0f172a;--muted:#64748b;--line:#e5edf0;--brand:#0f766e;--brand-2:#134e4a;--soft:#dff7f4;--warn:#b7791f;--bad:#b42318;--ok:#047857}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:radial-gradient(circle at 85% 5%,#d9f3f7,transparent 28%),var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 44px);max-width:1540px;margin:0 auto;padding:28px}.sidebar{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:24px 0 0 24px;padding:22px;box-shadow:0 24px 70px rgba(15,23,42,.08)}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;color:var(--brand-2)}.brand-mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--brand);color:white}.nav{margin-top:28px;display:flex;flex-direction:column;gap:7px}.nav 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