:root{--bg:#f4f7fb;--panel:#fff;--ink:#132238;--muted:#6b7a90;--line:#e6ebf2;--brand:#0f66ff;--brand2:#0d47a1;--green:#159a67;--amber:#d99000;--red:#d64545;--shadow:0 10px 30px rgba(16,42,67,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}.app{display:flex;min-height:100vh}.sidebar{width:250px;background:#0f1f33;color:#fff;padding:24px 16px;position:fixed;inset:0 auto 0 0;overflow:auto}.brand{font-weight:800;font-size:22px;padding:0 10px 24px}.brand small{display:block;font-size:11px;color:#91a5bd;font-weight:600;margin-top:4px;letter-spacing:.08em}.nav a{display:flex;gap:10px;align-items:center;padding:11px 12px;border-radius:10px;color:#cbd7e6;margin:3px 0;font-size:14px}.nav a:hover,.nav a.active{background:#173555;color:#fff}.main{margin-left:250px;width:calc(100% - 250px);padding:26px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:24px}.page-title h1{font-size:26px;margin:0}.page-title p{margin:5px 0 0;color:var(--muted);font-size:14px}.user-chip{background:var(--panel);box-shadow:var(--shadow);padding:9px 12px;border-radius:12px;display:flex;align-items:center;gap:10px}.avatar{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#6da5ff);display:grid;place-items:center;color:#fff;font-weight:800}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid 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