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.teaching-unit:hover{border-color:var(--tos-border-strong);box-shadow:var(--tos-unit-card-shadow-hover);transform:translateY(-2px)}.lesson-sheet{--tos-card-fill:var(--tos-card)}@supports (color:color-mix(in lab, red, red)){.lesson-sheet{--tos-card-fill:color-mix(in srgb, var(--tos-card) 96%, transparent)}}.lesson-sheet{background-image:linear-gradient(145deg, var(--tos-card-highlight) 0%, transparent 25%, transparent 68%, var(--tos-card-depth) 100%), radial-gradient(circle at 88% 2%, var(--tos-card-glow-warm), transparent 36%), radial-gradient(circle at 4% 94%, var(--tos-card-glow-cool), transparent 40%);box-shadow:var(--tos-sheet-shadow);-webkit-backdrop-filter:blur(34px)saturate(132%);backdrop-filter:blur(34px)saturate(132%);border-radius:26px;padding:18px;overflow-x:clip}.lesson-sheet .sheet-header{--tos-card-fill:var(--tos-card-peach)}@supports (color:color-mix(in lab, red, red)){.lesson-sheet .sheet-header{--tos-card-fill:color-mix(in srgb, var(--tos-card-peach) 78%, var(--tos-card))}}.lesson-sheet .sheet-header{box-shadow:var(--tos-card-shadow-compact);-webkit-backdrop-filter:blur(24px)saturate(128%);backdrop-filter:blur(24px)saturate(128%);padding:16px}.lesson-sheet .sheet-section{border:1px solid var(--tos-card-border);border-radius:var(--tos-card-radius-compact);background-color:var(--tos-card);margin-top:14px;padding:14px}@supports (color:color-mix(in lab, red, red)){.lesson-sheet .sheet-section{background-color:color-mix(in srgb, var(--tos-card) 76%, transparent)}}.lesson-sheet .sheet-section{background-image:linear-gradient(145deg, var(--tos-card-highlight), transparent 46%, var(--tos-card-depth))}@supports (color:color-mix(in lab, red, red)){.lesson-sheet .sheet-section{background-image:linear-gradient(145deg, color-mix(in srgb, var(--tos-card-highlight) 62%, transparent), transparent 46%, color-mix(in srgb, var(--tos-card-depth) 54%, transparent))}}.lesson-sheet .sheet-section{box-shadow:var(--tos-card-shadow-compact)}.lesson-sheet .sheet-section:first-of-type{background-color:var(--tos-card-mint)}@supports (color:color-mix(in lab, red, red)){.lesson-sheet .sheet-section:first-of-type{background-color:color-mix(in srgb, var(--tos-card-mint) 86%, transparent)}}.lesson-sheet .sheet-section:nth-of-type(2){background-color:var(--tos-card-sky)}@supports (color:color-mix(in lab, red, red)){.lesson-sheet .sheet-section:nth-of-type(2){background-color:color-mix(in srgb, var(--tos-card-sky) 86%, transparent)}}.lesson-sheet .aspect-check,.lesson-sheet .material-row{border-color:var(--tos-card-border)}@supports (color:color-mix(in lab, red, red)){.lesson-sheet .aspect-check,.lesson-sheet .material-row{border-color:color-mix(in srgb, var(--tos-card-border) 82%, transparent)}}.lesson-sheet .aspect-check,.lesson-sheet .material-row{background:var(--tos-surface-raised)}@supports (color:color-mix(in lab, red, red)){.lesson-sheet .aspect-check,.lesson-sheet .material-row{background:color-mix(in srgb, var(--tos-surface-raised) 72%, transparent)}}.lesson-sheet .aspect-check,.lesson-sheet .material-row{box-shadow:inset 0 1px 0 var(--tos-card-highlight)}@supports (color:color-mix(in lab, red, red)){.lesson-sheet .aspect-check,.lesson-sheet .material-row{box-shadow:inset 0 1px 0 color-mix(in srgb, var(--tos-card-highlight) 48%, transparent)}}.lesson-sheet>.status-badge,.lesson-sheet>.secondary-button{box-shadow:var(--tos-card-shadow-compact)}.task-row[data-completed=true],.product-task-row[data-completed=true]{box-shadow:none;background:0 0}.product-task-row[data-completed=true]:focus-within{background:var(--tos-surface-subtle)}@supports (color:color-mix(in lab, red, red)){.product-task-row[data-completed=true]:focus-within{background:color-mix(in srgb, var(--tos-surface-subtle) 30%, transparent)}}.task-check[data-checked=true],.product-task-row[data-completed=true] .task-check{border-color:var(--tos-prepared)}@supports (color:color-mix(in lab, red, 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