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#0000;flex:1;padding:10px;font-weight:600}.mobile-tabs button.active{color:var(--gold);border-bottom-color:var(--gold)}.lesson-split{grid-template-columns:minmax(0,1fr)}.lesson-page,.lesson-work,.editor-wrap{min-width:0;max-width:100vw}.lesson-header{gap:8px;padding:6px 10px}.lesson-dots{min-width:0;overflow:hidden}.lesson-split.show-lesson .lesson-work,.lesson-split.show-code .lesson-text{display:none}.lesson-text{border-right:0;padding:18px 16px 40px}.toasts{bottom:80px;left:16px;right:16px}.toast{max-width:none}}