'M 42 60 Q 50 70 58 60', // smile 'neutral' => 'M 42 64 L 58 64', // flat 'sad' => 'M 42 66 Q 50 58 58 66', // frown ); $mouth_d = $mouth[ $tone ]; // Body fill: subtle shift by tone. $body_fill = ( $tone === 'sad' ) ? '#d8b04a' : '#f4c64e'; ?>