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p{color:var(--ink-soft,#374151);margin:7px 0 0;font-size:13px;line-height:1.7}.pl-progress small{color:var(--muted,#6b7280);align-items:flex-start;gap:7px;margin-top:10px;font-size:12px;line-height:1.6;display:flex}.pl-progress small svg{flex:none;width:15px;height:15px;margin-top:2px}.pl-note{border-left:3px solid var(--blush-strong,#e8b4cf);background:var(--blush-soft,#f8e7f0);color:var(--ink-soft,#374151);margin:12px 0 0;padding:12px 16px;font-size:12px;line-height:1.75}.pl-items{margin:16px 0 0;padding:0;list-style:none}.pl-items>li{border-bottom:1px solid var(--line,#e5e7eb);margin:0;padding:0}.pl-item{width:100%;color:inherit;text-align:left;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;grid-template-columns:24px 104px minmax(0,1fr) 16px;align-items:center;gap:14px;padding:16px 4px;display:grid}.pl-item:hover{background:var(--soft,#f9fafb)}.pl-item:focus-visible,.pl-more:focus-visible{outline:2px solid var(--accent-ink,#9f3f6b);outline-offset:3px}.pl-position{color:var(--muted,#6b7280);font-variant-numeric:tabular-nums;font-size:12px}.pl-thumbnail{aspect-ratio:16/9;border-radius:7px;width:104px;min-width:0}.pl-thumbnail .nx-video-thumbnail-play{width:24px;height:24px}.pl-thumbnail .nx-video-thumbnail-play svg{width:10px;height:10px}.pl-thumbnail .nx-video-thumbnail-duration{padding:2px 4px;font-size:9px;bottom:4px;right:4px}.pl-thumbnail .nx-video-thumbnail-placeholder span{display:none}.pl-item-copy{min-width:0}.pl-item-copy>strong{overflow-wrap:anywhere;font-size:14px;font-weight:600;line-height:1.5;display:block}.pl-item-copy>small{color:var(--muted,#6b7280);margin-top:6px;font-size:11px;line-height:1.6;display:block}.pl-open{width:16px;height:16px;color:var(--muted,#6b7280)}.pl-empty{color:var(--muted,#6b7280);align-items:center;gap:12px;padding:28px 0;display:flex}.pl-empty svg{flex:none;width:24px;height:24px}.pl-empty p{margin:0;font-size:14px;line-height:1.7}.pl-more{border:1px solid var(--line,#e5e7eb);background:var(--canvas,#fff);width:100%;color:var(--ink-soft,#374151);font:inherit;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:9px;margin-top:16px;padding:13px;font-size:13px;display:flex}.pl-more:hover{background:var(--soft,#f9fafb)}.pl-more svg{width:16px;height:16px}.pl-more span{color:var(--muted,#6b7280);margin-left:auto;font-size:11px}.pl-lesson-nav{border:1px solid var(--line,#e5e7eb);background:var(--canvas,#fff);color:var(--ink,#111827);border-radius:10px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;margin-bottom:28px;padding:14px 16px;display:grid}.pl-lesson-nav :is(button,a){color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:7px;font-size:12px;text-decoration:none;display:inline-flex}.pl-lesson-nav :is(button,a):focus-visible{outline:2px solid var(--accent-ink,#9f3f6b);outline-offset:4px}.pl-lesson-nav button:disabled{color:var(--muted,#6b7280);opacity:.5;cursor:default}.pl-lesson-nav svg{flex:none;width:16px;height:16px}.pl-lesson-nav .pl-lesson-back{min-width:0;padding:2px 0;font-weight:600}.pl-lesson-back>span{min-width:0}.pl-lesson-back small{color:var(--muted,#6b7280);text-overflow:ellipsis;white-space:nowrap;margin-top:5px;font-size:11px;font-weight:400;display:block;overflow:hidden}.pl-lesson-actions{justify-content:space-between;align-items:center;gap:12px;display:flex}.pl-lesson-actions :is(button,a){border-radius:6px;padding:8px 6px}.pl-lesson-actions :is(button,a):not(:disabled):hover{background:var(--blush-soft,#f8e7f0);color:var(--accent-ink,#9f3f6b)}.pl-lesson-position{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--ink-soft,#374151);font-size:11px}@media (max-width:600px){.pl-heading{gap:10px}.pl-heading h3{font-size:19px}.pl-progress{padding:15px}.pl-item{grid-template-columns:20px 80px minmax(0,1fr);gap:10px;padding:14px 0}.pl-thumbnail{width:80px}.pl-item-copy>strong{font-size:12px}.pl-item-copy>small{font-size:10px}.pl-open{display:none}.pl-lesson-nav{grid-template-columns:minmax(0,1fr);gap:12px;margin-bottom:22px;padding:14px}.pl-lesson-actions{border-top:1px solid var(--line,#e5e7eb);padding-top:8px}}