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p{color:var(--tx3);max-width:730px;font-size:17px;line-height:1.6}.course-lesson-meta{color:#43845b;letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:800}.course-lesson-grid{grid-template-columns:minmax(0,1fr) 270px;gap:38px;display:grid}.course-lesson-content{gap:18px;display:grid}.course-lesson-section{background:var(--sf);border:1px solid var(--line);border-radius:16px;padding:clamp(20px,3vw,32px)}.course-lesson-section h2{font-family:var(--font-body),Arial,sans-serif;letter-spacing:-.035em;margin:7px 0 15px;font-size:23px}.course-lesson-section p{color:var(--tx2);font-size:16px;line-height:1.7}.course-lesson-section ol{color:var(--tx2);padding-left:22px;font-size:15px;line-height:1.65}.course-lesson-section li{margin:10px 0;padding-left:7px}.course-example{background:var(--sf2);border-radius:12px;margin-top:18px;padding:18px}.course-example>strong{font-size:15px;line-height:1.6;display:block}.course-example ol{margin-bottom:0}.course-example-result{border-left:3px solid #60aa74;padding-left:14px!important;font-weight:750!important}.course-check-options{gap:9px;margin:18px 0;display:grid}.course-check-options button{text-align:left;background:var(--sf2);color:var(--tx);border:1px solid var(--line);font:inherit;cursor:pointer;border-radius:10px;padding:14px 16px}.course-check-options button:hover{border-color:#6fae80}.course-check-options button.selected{color:#173f2a;background:#e7f5e9;border-color:#378959}.course-check-feedback{background:var(--sf2);border-radius:10px;padding:14px;font-size:14px;line-height:1.5}.course-check-feedback.correct{color:#24633b;background:#e6f7e9}.course-check-feedback.incorrect{color:#81460c;background:#fff1e4}.course-lesson-aside{align-content:start;gap:16px;display:grid}.course-lesson-aside .course-panel{top:calc(var(--nav-h) + 20px);position:sticky}.course-lesson-aside .course-panel a{color:#286b40;margin-top:14px;font-size:13px;font-weight:800;text-decoration:none;display:block}.course-next{color:#173b25;background:#a8e9b5;border-radius:9px;gap:20px;margin-top:18px;padding:13px 17px;font-size:14px;font-weight:800;text-decoration:none;display:inline-flex}.course-next:hover{background:#c5f1ce}.course-complete{color:#173b25;font:inherit;cursor:pointer;background:#a8e9b5;border:0;border-radius:9px;padding:12px 16px;font-size:14px;font-weight:800}.course-complete:disabled{opacity:.5;cursor:default}.course-rhythm{background:var(--sf);border:1px solid var(--line);border-radius:16px;margin-bottom:18px;padding:21px}.course-rhythm>strong{letter-spacing:-.02em;margin-bottom:12px;font-size:15px;display:block}.course-rhythm>div{gap:8px;display:grid}.course-rhythm span{color:var(--tx3);font-size:13px;line-height:1.45}.course-rhythm b{min-width:82px;color:var(--tx);font-size:12px;display:inline-block}@media (max-width:980px){.course-grid{grid-template-columns:1fr}.course-aside{grid-template-columns:repeat(2,minmax(0,1fr))}.course-lesson-grid{grid-template-columns:1fr}.course-lesson-aside .course-panel{position:static}}@media (max-width:650px){.course-shell{padding-left:16px;padding-right:16px}.course-hero{border-radius:18px;min-height:0;padding:28px}.course-hero-actions{gap:14px}.course-progress{flex-wrap:wrap}.course-progress-track{flex-basis:100%;order:3}.course-grid{margin-top:36px}.course-section-heading{display:block}.course-count{margin-top:7px;padding:0;display:block}.course-unit summary{gap:10px;padding:16px}.course-unit-title em{display:none}.course-unit-title strong{font-size:16px}.course-unit-number{width:36px;height:36px}.course-lesson-list{padding-left:14px}.course-aside{grid-template-columns:1fr}.course-lesson-shell{padding-left:16px;padding-right:16px}.course-lesson-section{padding:20px}}[data-theme=dark] .course-today{color:#e5f6e9;background:#183324;border-color:#325a3f}[data-theme=dark] .course-today h2,[data-theme=dark] .course-today ol,[data-theme=dark] .course-time span{color:#ddf3e4}[data-theme=dark] .course-unit-current .course-unit-number,[data-theme=dark] .course-lesson-mark.is-complete,[data-theme=dark] .course-check-options button.selected,[data-theme=dark] .course-check-feedback.correct{color:#c5f1ce;background:#1b3f2a}[data-theme=dark] .course-check-feedback.incorrect{color:#f6c796;background:#46311d}