:root{--nav:#0d2549;--nav2:#133363;--ink:#18253b;--muted:#6c7b94;--line:#dfe5ef;--bg:#f4f7fb;--card:#fff;--accent:#1c5fa8;--danger:#b52b36;--ok:#1c7b47;--warn:#a36b08;--shadow:0 12px 34px rgba(16,42,86,.08)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.app{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,var(--nav),#091d3a);color:#fff;position:sticky;top:0;height:100vh;overflow:auto}.brand{height:78px;display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.1)}.brand img{width:45px;height:45px;object-fit:contain;background:#fff;border-radius:9px;padding:3px}.brand strong{display:block;font-size:19px;letter-spacing:.5px}.brand 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