/* Tighten sign-in button spacing and ensure vertical centering */
            #signInBtn {
                padding: 6px 10px !important;
                line-height: 1 !important;
                font-size: 13px !important;
                border: none !important;
                display: inline-flex !important;
                align-items: center !important;
                justify-content: center !important;
                vertical-align: middle !important;
            }
            /* Raise the sign-in button more on narrow viewports so its center aligns with the zone control */
            @media (max-width: 600px) {
                #signInBtn { transform: translateY(-10px) !important; padding: 5px 8px !important; font-size:13px !important; }
                #zoneInfo { font-size: 12px !important; line-height: 1 !important; margin: 0 !important; display: inline-flex !important; align-items: center !important; }
                #accountArea { top: 50% !important; transform: translateY(-50%) !important; }
            }