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.12s;display:inline-flex}.lesson-material-download:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-hover)}.lesson-material-unavailable{color:var(--text-subtle);justify-self:end;font-size:12px;font-weight:600}@media (max-width:1100px){.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static}}.lesson-context{align-items:center;gap:14px;min-height:24px;margin-bottom:18px;display:flex}.lesson-context-module{color:var(--text);white-space:nowrap;text-overflow:ellipsis;max-width:40%;font-size:14px;font-weight:600;text-decoration:none;overflow:hidden}.lesson-context-module:hover{color:var(--primary-hover)}.lesson-context-position{color:var(--muted);white-space:nowrap;font-size:13px}.lesson-context-progress{background:var(--panel-soft);border:1px solid var(--line);border-radius:999px;flex:auto;height:4px;overflow:hidden}.lesson-context-progress span{border-radius:inherit;background:var(--primary);height:100%;transition:width .5s cubic-bezier(.22,1,.36,1);display:block}.lesson-outline{gap:2px;margin:0;padding:0;list-style:none;display:grid}.lesson-outline-chapter{letter-spacing:.04em;text-transform:uppercase;color:var(--text-subtle);margin:10px 0 4px;font-size:11px;font-weight:700}.lesson-outline>li:first-child .lesson-outline-chapter{margin-top:0}.lesson-outline-item{border-radius:var(--radius-md);color:var(--text-muted);grid-template-columns:26px minmax(0,1fr);align-items:center;gap:8px;padding:6px 8px;font-size:13px;text-decoration:none;transition:background-color .12s,color .12s;display:grid}.lesson-outline-item:hover{background:var(--primary-soft);color:var(--primary-hover)}.lesson-outline-item.is-current{background:var(--primary-soft);color:var(--primary-hover);font-weight:600}.lesson-outline-marker{border:1.5px solid var(--line);background:var(--panel);width:22px;height:22px;color:var(--muted);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;font-size:10px;font-weight:700;display:inline-grid}.lesson-outline-item.is-completed .lesson-outline-marker{background:var(--green-soft,#e6f4ea);color:var(--accent,#1f8a4c);border-color:#0000}.lesson-outline-item.is-current .lesson-outline-marker{border-color:var(--primary);color:var(--primary-hover)}.lesson-outline-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}@property --progress{syntax:"<integer>";inherits:false;initial-value:0}.lesson-progress-ring{transition:--progress .7s cubic-bezier(.22,1,.36,1)}.module-complete-backdrop{z-index:60;background:rgb(var(--learning-hero-bg-rgb) / .72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);place-items:center;padding:24px;display:grid;position:fixed;inset:0}.module-complete-card{border-radius:var(--radius-card);background:var(--panel);text-align:center;flex-direction:column;align-items:center;gap:6px;width:min(440px,100%);padding:40px 32px 32px;display:flex;box-shadow:0 32px 80px #0006}.module-complete-burst{place-items:center;width:120px;height:120px;margin-bottom:8px;display:grid;position:relative}.module-complete-particle{border-radius:50%;position:absolute;top:50%;left:50%}.module-complete-particle.is-brand{background:var(--primary)}.module-complete-particle.is-soft{background:var(--brand-soft-strong)}.module-complete-check{background:var(--green-soft,#e6f4ea);width:84px;height:84px;color:var(--accent,#1f8a4c);border-radius:50%;place-items:center;display:grid}.module-complete-title{color:var(--text);margin:0;font-size:24px;font-weight:700}.module-complete-subtitle{color:var(--muted);margin:0;font-size:14px}.module-complete-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px;display:flex}@media (prefers-reduced-motion:reduce){.lesson-context-progress span,.lesson-outline-item,.lesson-progress-ring{transition:none}}