/* Shared School Word typography. Classroom design is owned by school.css. */
:root{--font-ui:Inter,"Segoe UI",Arial,sans-serif;--font-display:Inter,"Segoe UI",Arial,sans-serif}
body,button,input,select,textarea{font-family:var(--font-ui);font-synthesis:none}
body{font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
.app-shell h1,.app-shell h2,.app-shell h3{font-family:var(--font-display);line-height:1.25;letter-spacing:-.025em}
.app-shell h1{font-weight:750}.app-shell h2{font-weight:700}.app-shell button{line-height:1.4}.app-shell p{line-height:1.7}
.app-shell .brand-name{font-size:23px;letter-spacing:-.9px;white-space:nowrap}.app-shell .brand-name>span{font-size:9px;letter-spacing:.2em}.brand-mark>svg{width:36px;height:36px}
.lesson-card h1,.question-title{font-size:clamp(24px,2.3vw,34px);line-height:1.4}.lesson-card .question-instruction{font-size:15px;color:#7ab8c3}
.app-shell .lesson-v3 .lesson-heading-row h2{font-size:clamp(20px,2vw,27px);font-weight:650;line-height:1.4;color:#29434e}
.app-shell .lesson-v3 .lesson-context{font-size:15px;line-height:1.8;font-weight:400;color:#607e89;margin:12px 0}
.app-shell .lesson-v3 .lesson-prompt{font-size:clamp(24px,2.4vw,34px);font-weight:650;line-height:1.55;color:#173d4b;letter-spacing:-.02em}
.app-shell .lesson-v3 .lesson-translation{font-size:14px;line-height:1.8;color:#617d85;border-inline-start:2px solid #a8bfc1;padding-inline-start:12px}
.app-shell .lesson-v3 .lesson-translation>span{font-size:10px;letter-spacing:.08em;text-transform:uppercase;font-weight:700}
.app-shell .lesson-v3 .lesson-meta{font-size:11px;line-height:1.5}.app-shell .lesson-v3 .lesson-study summary{font-size:13px;line-height:1.5}