:root{--blue:#0c62c7;--navy:#073a78;--dark:#0c2856;--green:#20ae61;--red:#ef3e3e;--orange:#ff9f1a;--purple:#7144d8;--bg:#f4f7fb;--card:#fff;--muted:#71809b;--line:#e2e8f1}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:#122b56}.app-shell{display:flex;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:linear-gradient(180deg,#074787,#07336c);color:#fff;display:flex;flex-direction:column;z-index:5;box-shadow:6px 0 24px #062b5a25}.brand{height:116px;background:#fff;color:#0d356c;display:flex;align-items:center;gap:12px;padding:20px}.brand-cross{font-size:38px;color:#1784e9}.brand strong{display:block;font-size:18px}.brand span{font-size:11px;color:#1681df}.sidebar nav{padding:22px 14px;display:grid;gap:8px}.nav-item{border:0;background:transparent;color:#fff;text-align:left;padding:15px 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