:root{--navy:#0b1633;--blue:#2563eb;--blue2:#4f7cff;--bg:#f4f7fb;--text:#17213a;--muted:#6b758d;--border:#e4e9f2;--white:#fff;--danger:#dc3545;--success:#119c66;--shadow:0 10px 30px rgba(26,43,81,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:var(--bg);font-size:14px}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{width:250px;background:var(--navy);color:#fff;padding:24px 18px;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:20}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 28px}.brand-mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#4f7cff,#23b5f6);font-weight:800;color:#fff;box-shadow:0 8px 24px rgba(37,99,235,.35)}.brand strong,.brand span{display:block}.brand strong{font-size:18px}.brand span{font-size:12px;color:#9eb0d0}.sidebar 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