.lesson-reader-controls{color:#102b42;background:#edf7fc;border:2px solid #76cbe9;border-radius:16px;margin:1.5rem 0;padding:1.4rem}.lesson-reader-controls h2{margin:0 0 .7rem;font-size:1.3rem}.lesson-reader-controls p{line-height:1.65}.reader-buttons,.reader-settings{flex-wrap:wrap;align-items:end;gap:.75rem;margin:1rem 0;display:flex}.lesson-reader-controls button,.lesson-reader-controls select{color:#102b42;min-height:48px;font:inherit;background:#fff;border:2px solid #25647e;border-radius:8px;padding:.65rem .8rem}.reader-buttons button:first-child{color:#fff;background:#123e57;font-weight:700}.lesson-reader-controls button:disabled{opacity:.55;cursor:not-allowed}.lesson-reader-controls :is(button,select):focus-visible{outline-offset:4px;outline:3px solid #8b3900}.reader-settings label{flex-direction:column;flex:160px;gap:.4rem;display:flex}.reader-settings select{width:100%;max-width:100%}.reader-progress{flex-direction:column;gap:.5rem;display:flex}.reader-progress progress{width:100%;height:1rem}.reader-note{font-size:.9rem}.reader-fixed-settings{font-weight:700}.reader-player{align-items:center;gap:.8rem;margin:1rem 0;display:flex}.lesson-reader-controls .reader-media-button{color:#071b30;background:#fff;border:2px solid #071b30;border-radius:50%;flex:0 0 52px;place-items:center;width:52px;height:52px;padding:.7rem;display:grid}.lesson-reader-controls .reader-play-button{color:#fff;background:#071b30}.reader-media-button svg{fill:currentColor;width:24px;height:24px}.reader-player .reader-progress{flex:1;min-width:0;font-size:.9rem}.reader-player progress{accent-color:#071b30}.reader-size-large .lesson-reader-content :is(p,li,td,th,figcaption,blockquote){font-size:1.3rem!important;line-height:1.85!important}.reader-size-largest .lesson-reader-content :is(p,li,td,th,figcaption,blockquote){font-size:1.6rem!important;line-height:1.85!important}.reader-size-large .lesson-reader-content h2{font-size:1.8rem}.reader-size-largest .lesson-reader-content h2{font-size:2.1rem}.lesson-reader-content{overflow-wrap:anywhere}.reader-contrast .lesson-reader-content{color:#111;background:#fff;border-radius:12px;padding:1rem}.reader-contrast .lesson-reader-content :is(p,li,td,th,figcaption,blockquote,h2,h3,h4,strong,em,span,small):not(:where(.lesson-quiz *,.education-visual *)){color:#111!important}.reader-contrast .lesson-reader-content :is(aside,section,blockquote,table,td,th):not(:where(.lesson-quiz,.lesson-quiz *)){background:#fff!important;border-color:#333!important}.reader-contrast .lesson-reader-content a{text-decoration:underline;color:#004a80!important}.reader-contrast .lesson-reader-content .lesson-section>summary{border:1px solid #315779;background:var(--lesson-heading-blue)!important;color:#fff!important}.reader-contrast .lesson-reader-content .lesson-section>summary :is(h2,span){color:#fff!important}.reader-contrast .lesson-reader-content .lesson-section>summary:hover{background:var(--lesson-heading-hover)!important}.reader-contrast .lesson-reader-content .lesson-section-body{color:#111;background:#fff!important}.reader-contrast .lesson-reader-content a:focus-visible{outline-offset:3px;outline:3px solid #8b3900}@media (max-width:600px){.lesson-reader-controls{padding:1rem}.reader-buttons button{flex:130px}.reader-settings label{flex-basis:100%}}.lesson-media-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:1rem;margin:1.5rem 0 2rem;display:grid}.lesson-media-grid .lesson-section{min-width:0;margin:0}.lesson-automatic-reader{min-width:0}.lesson-automatic-reader .lesson-reader-controls{color:#102b42;background:#fff;border:0;border-radius:0 0 12px 12px;margin:0}.magazine-reader{margin:0 0 2rem}.magazine-reader>h2{margin:0 0 .75rem;font-size:1.5rem}.magazine-reader .lesson-section{border:1px solid #315779;border-radius:12px;overflow:hidden}.magazine-reader .lesson-section>summary{cursor:pointer;color:#fff;background:linear-gradient(145deg,#173d5d,#061a30);justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem;list-style:none;display:flex}.magazine-reader .lesson-section>summary h2{color:#fff;margin:0;font-size:1.25rem}.magazine-reader .lesson-section>summary small{margin-top:.4rem;font-size:1rem;font-weight:400;display:block}.magazine-reader .lesson-section>summary::-webkit-details-marker{display:none}.magazine-reader .lesson-section>summary:focus-visible{outline-offset:-4px;outline:3px solid #36d9f1}.lesson-media-grid h2{margin:0;font-size:1.3rem}.lesson-media-grid h2 small{margin-top:.5rem;font:400 1rem/1.5 inherit;display:block}.lesson-media-grid .lesson-section>summary{box-sizing:border-box;min-height:116px}.lesson-media-unavailable{color:#555f6b;box-sizing:border-box;background:#e4e7eb;border:1px solid #a9b0b8;border-radius:12px;min-height:116px;padding:1.4rem}.lesson-media-unavailable h2,.lesson-media-unavailable h2 small,.lesson-media-unavailable p{color:#555f6b!important}.lesson-media-unavailable p{margin:.7rem 0 0;font-size:.95rem}.lesson-intro-principle{margin:1.5rem 0 0;font-weight:400}@media (max-width:700px){.lesson-media-grid{grid-template-columns:1fr}}