:root{--blue:#2563eb;--blue2:#0f172a;--cyan:#38bdf8;--gold:#fbbf24;--green:#16a34a;--red:#dc2626;--bg:#f4f7fb;--card:#ffffff;--text:#1f2937;--muted:#64748b;--border:#e5e7eb;--shadow:0 18px 50px rgba(15,23,42,.10)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at top left,#e0f2fe,transparent 34%),linear-gradient(135deg,#f8fafc,#eef6ff 55%,#fff7ed);color:var(--text)}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:292px;background:linear-gradient(180deg,#082f6f,#0f172a);color:#fff;padding:22px 16px;position:sticky;top:0;height:100vh;overflow:auto;transition:.25s ease;box-shadow:10px 0 36px rgba(15,23,42,.12);z-index:5}.brand{display:flex;gap:12px;align-items:center;margin-bottom:18px}.brand-icon{width:50px;height:50px;border-radius:18px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;font-weight:900;box-shadow:0 12px 30px rgba(56,189,248,.28)}.brand b{line-height:1.1}.brand small{display:block;color:#bfdbfe;margin-top:4px}.side-toggle{width:100%;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.10);color:#fff;border-radius:16px;padding:11px 13px;margin-bottom:12px;font-weight:900;text-align:left;cursor:pointer}.sidebar nav{display:grid;gap:7px}.sidebar nav a{padding:12px 14px;border-radius:15px;color:#dbeafe;transition:.2s;display:flex;gap:10px;align-items:center}.sidebar nav a:hover{background:rgba(255,255,255,.14);transform:translateX(2px)}.sidebar-collapsed .sidebar{width:86px}.sidebar-collapsed .brand-text,.sidebar-collapsed .side-toggle span,.sidebar-collapsed .side-nav span{display:none}.sidebar-collapsed 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