.lesson-scene-layer { position: fixed; z-index: 30; right: 1rem; top: 19rem; width: min(30rem, calc(100vw - 2rem)); pointer-events: none; }
.lesson-scene { pointer-events: auto; display: grid; gap: .65rem; max-height: calc(100vh - 20rem); overflow: auto; padding: 1rem; border: 1px solid var(--line, #cbd5e1); border-radius: 1rem; background: var(--surface, #fff); box-shadow: 0 .75rem 2rem rgb(15 23 42 / .16); }
.lesson-scene__warning, .lesson-scene__help, .lesson-scene__summary { margin: 0; color: #475569; font-size: .82rem; }
.lesson-scene__label { display: grid; gap: .25rem; font-size: .78rem; font-weight: 700; }
.lesson-scene input { width: 100%; min-height: 2.25rem; padding: .45rem .55rem; font: inherit; border: 1px solid var(--line, #cbd5e1); border-radius: .55rem; }
.lesson-scene__list { display: grid; gap: .5rem; }
.lesson-scene__item { display: grid; gap: .3rem; padding: .65rem; border: 1px solid #dbe4ef; border-radius: .65rem; background: #f8fafc; }
.lesson-scene__item small { color: #475569; }
.lesson-scene__item-actions, .lesson-scene__actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.lesson-scene button { min-height: 2.25rem; padding: .45rem .75rem; border: 1px solid var(--line, #cbd5e1); border-radius: .6rem; background: transparent; cursor: pointer; }
.lesson-scene button.is-primary { color: #fff; background: #1d4ed8; border-color: #1d4ed8; }
.lesson-scene button:disabled { opacity: .5; cursor: not-allowed; }
.lesson-scene__error { margin: 0; color: #b91c1c; }
@media (max-width: 860px) { .lesson-scene-layer { top: 1rem; } .lesson-scene { max-height: calc(100vh - 2rem); } }
@media (max-width: 430px) { .lesson-scene-layer { right: .5rem; width: calc(100vw - 1rem); } }
@media (forced-colors: active) { .lesson-scene { border: 2px solid CanvasText; box-shadow: none; } .lesson-scene button.is-primary { background: Highlight; color: HighlightText; } }
@media print { .lesson-scene-layer, .lesson-scene-launcher { display: none !important; } }