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var(--pw-border-strong);border-radius:var(--pw-r-md)}.brand-preview__title{margin:0 0 8px;font-size:var(--pw-fs-sm);color:var(--pw-text-muted)}.brand-actions{display:flex;justify-content:flex-end;margin:8px 0 40px}.structure{max-width:900px;margin:0 auto}.structure__list{margin:0 0 16px;padding:0;list-style:none}.structure__lesson{margin:0 0 12px;padding:16px 20px;color:var(--pw-ink);background:var(--pw-surface);border-radius:var(--pw-r-lg);box-shadow:0 1px 2px rgba(0,0,0,.1)}.structure__lesson-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.structure__lesson-title{margin:0 0 4px;font:var(--pw-fw-bold) 20px/1.25 var(--pw-font-heading)}.structure__lesson-desc{margin:0;color:var(--pw-text-secondary)}.structure__own{color:var(--pw-text-muted);font-weight:var(--pw-fw-bold)}.structure__toggle{display:block;margin:10px 0 0;padding:0;font-size:var(--pw-fs-sm);color:var(--pw-text-muted);background:none;border:0;cursor:pointer}.structure__steps{margin:10px 0 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