Method updateFontModeControls

chat/components/ChatInput.js:1720–1730

* Updates the visual state of font mode toggle based on current HTML class. * Syncs aria-checked attributes with actual font-mode state.

()

            hint.classList.remove('faded', 'hint-hidden');
            input.classList.add('hint-visible');
        } else if (len < 50) {
            // Some text - fade hint
            hint.classList.add('faded');
            hint.classList.remove('hint-hidden');
            input.classList.add('hint-visible');
        } else {
            // Long text - hide hint completely
            hint.classList.add('hint-hidden');
            hint.classList.remove('faded');
            input.classList.remove('hint-visible');
        }
    }

    /**