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a:not(.wordmark),.workspace-breadcrumbs a,.teacher-text-link){--target-min-height:var(--control-min-height);min-width:var(--control-min-height);text-align:center}:root :is(.course-navigation-context a:not(.wordmark),.workspace-breadcrumbs a,.teacher-text-link){text-align:start}}@media (width<=48rem){.contextual-coach:not(.is-open):before{content:"";height:calc(var(--control-min-height) + 2 * var(--spacing-xs) + env(safe-area-inset-bottom,0px));border-top:var(--border-light);background:var(--paper-page);position:absolute;bottom:0;left:0;right:0}:root .contextual-coach__launcher{bottom:max(var(--spacing-xs), env(safe-area-inset-bottom,0px))}}@media print{.contextual-coach:before{display:none}}@media (width>=77rem) and (height>=34rem){:root .account-body.has-contextual-coach:not(.has-contextual-coach-open) .contextual-coach__launcher{right:max(var(--spacing-xs), calc((100vw - var(--coach-content-width)) / 2 - var(--control-min-height) - var(--spacing-sm)), env(safe-area-inset-right,0px))}}graph-response{margin-block:var(--spacing-md);background:var(--bg-surface);display:block}graph-response .graph-response-container{padding:0}graph-response .graph-response-prompt{color:var(--text-primary);margin-bottom:var(--spacing-xs)}@media (pointer:coarse){graph-response .graph-response-keyboard-hint{display:none}}graph-response .graph-response-figure{width:100%;min-width:0;max-width:640px;padding:var(--spacing-xs) 0;background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow-x:auto}graph-response .graph-response-svg{user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;max-width:100%;height:auto;margin-inline:auto;display:block}graph-response .graph-response-ink{pointer-events:none}graph-response .graph-response-curve{fill:none;stroke:var(--text-primary);stroke-width:2px;stroke-linejoin:round}graph-response .graph-response-axis{stroke:var(--text-secondary);stroke-width:1.5px}graph-response .graph-response-grid{stroke:var(--line-soft);stroke-width:1px}graph-response .graph-response-cutoff{stroke:var(--text-secondary);stroke-width:1.5px;stroke-dasharray:4 3}graph-response .graph-response-tick{fill:var(--text-secondary);font-family:var(--font-ui);font-variant-numeric:tabular-nums;font-size:12px}graph-response .graph-response-axis-label{fill:var(--text-primary);font-family:var(--font-ui);font-size:13px;font-weight:600}graph-response .graph-response-guide{stroke:var(--text-secondary);stroke-width:1.25px;stroke-dasharray:5 4}graph-response .graph-response-guide-label,graph-response .graph-response-point-label{fill:var(--text-secondary);font-family:var(--font-ui);stroke:var(--bg-surface);stroke-width:3px;paint-order:stroke;stroke-linejoin:round;pointer-events:none;font-size:12px}graph-response .graph-response-point-label{fill:var(--text-primary)}graph-response .regenerate-btn{margin-top:var(--spacing-sm)}.gen-scatter{width:100%;max-width:400px;height:auto;margin:var(--spacing-sm) 0;font-family:var(--font-heading);display:block;overflow:visible}.gen-scatter-grid{stroke:var(--line-soft);stroke-width:1px}.gen-scatter-axis{stroke:var(--ink-decor);stroke-width:1.25px}.gen-scatter-tick{fill:var(--text-secondary);font-variant-numeric:tabular-nums;font-size:12px}.gen-scatter-axis-label{fill:var(--text-primary);font-size:12.5px;font-weight:600}.gen-scatter-dot{fill:var(--viz-2-strong);stroke:var(--bg-surface);stroke-width:1.25px}.gen-scatter-point-label{fill:var(--text-primary);stroke:var(--bg-surface);stroke-width:3px;paint-order:stroke;stroke-linejoin:round;font-size:11px}graph-response .graph-response-toggle{cursor:pointer;outline:none}graph-response .graph-response-hit{fill:#0000;stroke:#0000;stroke-width:3px;pointer-events:all}graph-response .graph-response-toggle:focus-visible .graph-response-hit{stroke:var(--focus-ring)}graph-response .graph-response-region-fill{fill:#0000;stroke:none;pointer-events:none;transition:fill var(--transition-fast)}graph-response .graph-response-region.is-selected .graph-response-region-fill{fill:color-mix(in srgb, var(--viz-2) 55%, var(--bg-surface))}graph-response .graph-response-region.is-answer .graph-response-region-fill{fill:color-mix(in srgb, var(--color-success) 45%, var(--bg-surface))}graph-response .graph-response-dot{fill:var(--viz-2-strong);stroke:var(--bg-surface);stroke-width:1.5px;pointer-events:none}graph-response .graph-response-ring{fill:none;stroke:#0000;stroke-width:2.5px;pointer-events:none}graph-response .graph-response-point.is-selected .graph-response-dot{fill:var(--text-primary)}graph-response .graph-response-point.is-selected .graph-response-ring{stroke:var(--text-primary)}graph-response .graph-response-point.is-answer .graph-response-dot{fill:var(--color-success)}graph-response .graph-response-point.is-answer .graph-response-ring{stroke:var(--color-success)}@media (hover:hover){graph-response:not(.is-locked) .graph-response-region:hover .graph-response-hit{fill:color-mix(in srgb, var(--viz-2) 12%, transparent)}graph-response:not(.is-locked) .graph-response-point:hover .graph-response-ring{stroke:var(--viz-2-strong)}graph-response:not(.is-locked) .graph-response-point.is-selected:hover .graph-response-ring{stroke:var(--text-primary)}}graph-response.is-locked .graph-response-toggle{cursor:default}@media (prefers-reduced-motion:reduce){graph-response .graph-response-region-fill{transition:none}}@media (forced-colors:active){graph-response .graph-response-region.is-selected .graph-response-region-fill,graph-response .graph-response-point.is-selected .graph-response-dot{fill:highlight}graph-response .graph-response-point.is-selected .graph-response-ring,graph-response .graph-response-toggle:focus-visible .graph-response-hit{stroke:highlight}}graph-response .graph-response-selection{margin-block:var(--spacing-xs) var(--spacing-sm);font-family:var(--font-ui);font-size:var(--text-sm);color:var(--text-secondary)}graph-response .graph-response-actions{gap:var(--spacing-xs);flex-wrap:wrap;display:flex}graph-response .graph-response-check-btn,graph-response .graph-response-reveal-btn{padding:var(--spacing-xs) var(--spacing-sm)}graph-response [hidden]{display:none}graph-response .graph-response-feedback.feedback-success{background:var(--color-success-light);border:1px solid var(--color-success-border)}graph-response .graph-response-feedback.feedback-warning{background:var(--color-warning-light);border:1px solid var(--color-warning-border)}graph-response .graph-response-feedback.feedback-info{background:var(--color-info-light);border:1px solid var(--color-info-border)}graph-response .graph-response-feedback-body{margin-top:.35rem}conclusion-builder{margin-block:var(--spacing-md);background:var(--bg-surface);display:block}conclusion-builder .conclusion-stem{margin-bottom:var(--spacing-sm);color:var(--text-primary)}conclusion-builder .conclusion-sentence{padding:var(--spacing-md);margin-bottom:var(--spacing-md);color:var(--text-primary);background:var(--bg-surface-alt);border:1px solid var(--line);border-radius:var(--radius-sm)}conclusion-builder .conclusion-blank{vertical-align:baseline;align-items:center;gap:.25rem;max-width:100%;display:inline-flex}conclusion-builder .conclusion-select{max-width:100%;min-height:2.25rem;padding:var(--spacing-xs) var(--spacing-sm);font-family:var(--font-heading);font-size:var(--text-sm);color:var(--text-primary);background:var(--bg-surface);border:1px solid var(--color-mid-gray);border-radius:var(--radius-sm);cursor:pointer}conclusion-builder .conclusion-select:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}conclusion-builder .conclusion-select:disabled{cursor:default;opacity:1}conclusion-builder .conclusion-blank[data-state=right] .conclusion-select{border-color:var(--feedback-right-line);background:var(--feedback-right-tint)}conclusion-builder .conclusion-blank[data-state=wrong] .conclusion-select{border:2px dashed var(--feedback-wrong-line);background:var(--feedback-wrong-tint)}conclusion-builder .conclusion-blank[data-state]:after{font-family:var(--font-heading);font-size:var(--text-sm);font-weight:700;line-height:1}conclusion-builder .conclusion-blank[data-state=right]:after{content:"✓";color:var(--feedback-right)}conclusion-builder .conclusion-blank[data-state=wrong]:after{content:"✗";color:var(--feedback-wrong)}conclusion-builder .conclusion-actions{align-items:center;gap:var(--spacing-xs);flex-wrap:wrap;display:flex}conclusion-builder .conclusion-actions>button[hidden]{display:none}conclusion-builder .conclusion-actions>button{margin-top:0}conclusion-builder .conclusion-feedback:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}conclusion-builder .conclusion-feedback.feedback-success{background:var(--color-success-light);border:1px solid var(--color-success-border)}conclusion-builder .conclusion-feedback.feedback-warning{background:var(--color-warning-light);border:1px solid var(--color-warning-border)}conclusion-builder .conclusion-feedback.feedback-revealed{background:var(--bg-surface-alt);border:1px solid var(--line)}conclusion-builder .conclusion-feedback-body>:first-child,conclusion-builder .conclusion-explanation>:first-child{margin-top:0}conclusion-builder .conclusion-feedback-body>:last-child,conclusion-builder .conclusion-explanation>:last-child{margin-bottom:0}conclusion-builder .conclusion-result-label{font-family:var(--font-heading);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);font-weight:600}conclusion-builder .conclusion-result-sentence{margin-block:.25rem var(--spacing-sm);padding-left:var(--spacing-sm);border-left:3px solid var(--line)}@media (pointer:coarse){conclusion-builder .conclusion-select,conclusion-builder .conclusion-actions>button{min-height:var(--control-min-height)}}table-fill{margin-block:var(--spacing-md);background:var(--bg-surface);display:block}table-fill .table-fill-stem{margin-bottom:var(--spacing-sm);color:var(--text-primary)}table-fill .table-fill-scroll{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-surface);max-width:100%;overflow-x:auto}table-fill .table-fill-scroll:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}table-fill .table-fill-table{border-collapse:collapse;width:100%;font-size:var(--text-sm);margin:0}table-fill .table-fill-table caption{padding:var(--spacing-xs) var(--spacing-sm);font-family:var(--font-heading);font-size:var(--text-xs);text-align:left;color:var(--text-secondary);caption-side:top;font-weight:600}table-fill .table-fill-table th,table-fill .table-fill-table td{padding:var(--spacing-xs) var(--spacing-sm);border:1px solid var(--line);text-align:right;vertical-align:middle;white-space:nowrap}table-fill .table-fill-table thead th,table-fill .table-fill-table thead td{background:var(--bg-surface-alt);font-family:var(--font-heading);color:var(--text-primary);font-weight:600}table-fill .table-fill-table tbody th{background:var(--bg-surface-alt);font-family:var(--font-heading);text-align:left;color:var(--text-primary);font-weight:600}table-fill .table-fill-given{font-family:var(--font-mono);color:var(--text-primary)}table-fill .table-fill-blank{white-space:nowrap}table-fill .table-fill-input{box-sizing:border-box;width:5.5rem;min-height:var(--control-min-height);border:2px solid var(--ink-decor);border-radius:var(--radius-cell);background:var(--bg-surface);color:var(--text-primary);font-family:var(--font-mono);font-size:var(--text-base);text-align:right;transition:border-color var(--transition-fast);padding:.35rem .5rem}table-fill .table-fill-input:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px;border-color:var(--ink)}table-fill .table-fill-input:read-only{background:var(--bg-surface-alt)}table-fill .table-fill-mark{text-align:center;width:1.25rem;color:var(--text-primary);font-weight:700;display:inline-block}table-fill .is-correct .table-fill-input{border-color:var(--feedback-right);background:var(--feedback-right-tint)}table-fill .is-correct .table-fill-mark{color:var(--feedback-right)}table-fill .is-incorrect .table-fill-input{border-style:dashed;border-color:var(--feedback-wrong-line);background:var(--feedback-wrong-tint)}table-fill .is-missing .table-fill-input{border-style:dashed;border-color:var(--color-warning);background:var(--color-warning-light)}table-fill .is-revealed .table-fill-input{border-color:var(--color-info-border);background:var(--color-info-light)}table-fill .table-fill-precision{font-size:var(--text-sm);color:var(--text-muted);margin:.4rem 0 0}table-fill .table-fill-actions{gap:var(--spacing-xs);margin-top:var(--spacing-md);flex-wrap:wrap;display:flex}table-fill .table-fill-check-btn{padding:var(--spacing-xs) var(--spacing-sm)}table-fill .table-fill-check-btn[hidden],table-fill .table-fill-reveal-btn[hidden]{display:none}table-fill .table-fill-feedback.feedback-success{background:var(--color-success-light);border:1px solid var(--color-success-border)}table-fill .table-fill-feedback.feedback-warning{background:var(--color-warning-light);border:1px solid var(--color-warning-border)}table-fill .table-fill-feedback.feedback-info{background:var(--color-info-light);border:1px solid var(--color-info-border)}table-fill .table-fill-feedback-body>:first-child{margin-top:0}table-fill .table-fill-feedback-body>:last-child{margin-bottom:0}@media (width<=480px){table-fill .table-fill-table th,table-fill .table-fill-table td{padding:.3rem .4rem}table-fill .table-fill-table tbody th{white-space:normal}table-fill .table-fill-input{width:4.25rem;padding-inline:.35rem}table-fill .table-fill-mark{width:1rem}}sort-bins{margin-block:var(--spacing-md);background:var(--bg-surface);display:block}sort-bins [hidden]{display:none!important}sort-bins .sort-bins-prompt{color:var(--text-primary);margin-bottom:var(--spacing-xs)}sort-bins .sort-bins-tray{background:var(--bg-surface-alt);border:1px solid var(--line);border-radius:var(--radius-sm);padding:var(--spacing-xs);margin-bottom:var(--spacing-sm)}sort-bins .sort-bins-zone-header{font-family:var(--font-heading);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:var(--spacing-xs);font-weight:600}sort-bins .sort-bins-tray-empty{font-size:var(--text-sm);color:var(--text-muted);margin:0}sort-bins .sort-bins-bins{gap:var(--spacing-xs);margin-bottom:var(--spacing-sm);grid-template-columns:repeat(auto-fit,minmax(min(100%,11rem),1fr));display:grid}sort-bins .sort-bins-bin{background:var(--bg-surface);border:1px solid var(--color-mid-gray);border-radius:var(--radius-sm);flex-direction:column;min-width:0;display:flex}sort-bins .sort-bins-list{align-content:flex-start;align-items:flex-start;gap:var(--spacing-xs);flex-wrap:wrap;display:flex}sort-bins .sort-bins-bin .sort-bins-list{min-height:3.5rem;padding:var(--spacing-xs);flex:1}sort-bins .sort-bins-target{align-items:center;gap:var(--spacing-xs);width:100%;min-height:2.25rem;padding:.35rem var(--spacing-xs);font-family:var(--font-heading);font-size:var(--text-sm);font-weight:600;line-height:var(--line-height-snug);text-align:start;color:var(--text-primary);background:var(--bg-surface-alt);border:none;border-bottom:1px solid var(--color-mid-gray);cursor:pointer;border-radius:0;display:flex}sort-bins .sort-bins-target:hover:not(:disabled){background:var(--paper-wash);text-decoration:underline}sort-bins .sort-bins-target.is-armed{outline:2px dashed var(--ink);outline-offset:-2px}sort-bins .sort-bins-target.is-armed .sort-bins-bin-label:after{content:" ←"}sort-bins .sort-bins-target:disabled{color:var(--text-primary);cursor:default}sort-bins .sort-bins-tray-target{width:auto;margin-top:var(--spacing-xs);background:var(--bg-surface);border:1px solid var(--color-mid-gray);border-radius:var(--radius-cell)}sort-bins .sort-bins-key{min-width:1.4rem;height:1.4rem;font-family:var(--font-ui);font-size:var(--text-xs);color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--color-mid-gray);border-radius:var(--radius-cell);flex:none;justify-content:center;align-items:center;font-weight:600;display:inline-flex}sort-bins.is-locked .sort-bins-key{display:none}sort-bins .sort-bins-item{flex-direction:column;align-items:flex-start;gap:.25rem;max-width:100%;display:flex;position:relative}sort-bins .sort-bins-chip{max-width:100%;min-height:2.25rem;font-family:var(--font-ui);font-size:var(--text-sm);line-height:var(--line-height-snug);text-align:start;color:var(--text-primary);background:var(--bg-surface);border:1px solid var(--color-mid-gray);border-radius:var(--radius-cell);cursor:pointer;transition:background var(--transition-fast), border-color var(--transition-fast);align-items:center;gap:.4rem;padding:.3rem .65rem;display:inline-flex}sort-bins .sort-dotplot{margin-top:.25rem;display:block}sort-bins .sort-dotplot svg{width:150px;max-width:100%;height:auto;display:block}sort-bins .sort-dotplot-axis{stroke:var(--text-secondary);stroke-width:1px}sort-bins .sort-dotplot-dot{fill:var(--viz-3)}sort-bins .sort-bins-chip-text{display:inline-block}sort-bins .sort-bins-chip:hover:not(:disabled){border-color:var(--ink);background:var(--paper-wash)}sort-bins .sort-bins-chip[aria-pressed=true]{border-color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink);background:var(--paper-wash);font-weight:600}sort-bins .sort-bins-chip:disabled{color:var(--text-primary);cursor:default;opacity:1}sort-bins .sort-bins-chip:focus-visible,sort-bins .sort-bins-move:focus-visible,sort-bins .sort-bins-target:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}sort-bins .sort-bins-item.is-right .sort-bins-chip{border-color:var(--feedback-right);background:var(--feedback-right-tint)}sort-bins .sort-bins-item.is-wrong .sort-bins-chip{border:2px dashed var(--feedback-wrong-line);background:var(--feedback-wrong-tint)}sort-bins .sort-bins-mark{flex:none;font-weight:700}sort-bins .sort-bins-item.is-right .sort-bins-mark{color:var(--feedback-right)}sort-bins .sort-bins-moves{flex-wrap:wrap;gap:.25rem;display:flex}sort-bins .sort-bins-item:not(.shows-moves) .sort-bins-moves{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}sort-bins .sort-bins-move{min-height:1.75rem;font-family:var(--font-ui);font-size:var(--text-xs);color:var(--ink);background:var(--bg-surface);border:1px solid var(--ink);border-radius:var(--radius-control);cursor:pointer;padding:.15rem .5rem;font-weight:600}sort-bins .sort-bins-move:hover{background:var(--paper-wash)}sort-bins .sort-bins-actions{gap:var(--spacing-xs);flex-wrap:wrap;display:flex}sort-bins .sort-bins-actions button{padding:var(--spacing-xs) var(--spacing-sm);margin:0}sort-bins .sort-bins-feedback.feedback-success{background:var(--color-success-light);border:1px solid var(--color-success-border)}sort-bins .sort-bins-feedback.feedback-warning{background:var(--color-warning-light);border:1px solid var(--color-warning-border)}sort-bins .sort-bins-feedback.feedback-info{background:var(--color-info-light);border:1px solid var(--color-info-border)}sort-bins .sort-bins-feedback-body{margin-top:.35rem}sort-bins .sort-bins-feedback-body>:first-child{margin-top:0}sort-bins .sort-bins-feedback-body>:last-child,sort-bins .sort-bins-note{margin-bottom:0}sort-bins .sort-bins-note{margin-top:.35rem}@media (pointer:coarse){sort-bins .sort-bins-chip,sort-bins .sort-bins-move,sort-bins .sort-bins-target{min-height:var(--control-min-height)}}@media (forced-colors:active){sort-bins .sort-bins-chip[aria-pressed=true]{outline-offset:1px;outline:2px solid highlight}}@media (prefers-reduced-motion:reduce){sort-bins .sort-bins-chip{transition:none}}sort-bins .sort-bins-chip{touch-action:pan-y;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}sort-bins.is-dragging{-webkit-user-select:none;user-select:none;cursor:grabbing}sort-bins .sort-bins-item.is-held .sort-bins-chip{border-color:var(--ink);box-shadow:var(--shadow-float)}sort-bins .sort-bins-item.is-dragging{z-index:5}sort-bins .sort-bins-item.is-dragging .sort-bins-chip{border-color:var(--ink);background:var(--paper-wash);box-shadow:var(--shadow-float);cursor:grabbing;transition:none}sort-bins .sort-bins-item.is-returning .sort-bins-chip{transition:transform var(--transition-fast)}sort-bins .sort-bins-tray.is-drop-target,sort-bins .sort-bins-bin.is-drop-target{outline:3px dashed var(--ink);outline-offset:2px;background:var(--paper-wash)}sort-bins .sort-bins-drop-hint{font-family:var(--font-ui);font-size:var(--text-xs);letter-spacing:0;text-transform:none;color:var(--text-primary);background:var(--bg-surface);border:1px dashed var(--ink);border-radius:var(--radius-cell);flex:none;margin-inline-start:auto;padding:0 .4rem;font-weight:600}sort-bins .sort-bins-zone-header .sort-bins-drop-hint{margin-inline-start:var(--spacing-xs)}@media (forced-colors:active){sort-bins .sort-bins-tray.is-drop-target,sort-bins .sort-bins-bin.is-drop-target{outline-color:highlight}}@media (prefers-reduced-motion:reduce){sort-bins .sort-bins-item.is-returning .sort-bins-chip{transition:none}}symbolic-entry{margin-block:var(--spacing-md);background:var(--bg-surface);display:block}symbolic-entry 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