body{background:#f4f6f9}.login-bg{background:linear-gradient(135deg,#e9eef5,#fff)}.sidebar{min-height:calc(100vh - 56px);background:#fff;border-right:1px solid #ddd}.menu-link{display:block;padding:10px 12px;color:#333;text-decoration:none;border-radius:8px;margin-bottom:5px}.menu-link:hover{background:#0d6efd;color:#fff}.disabled{color:#aaa;pointer-events:none}.card-dashboard{border:0;border-radius:16px;box-shadow:0 4px 14px rgba(0,0,0,.08)}