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.diagram-page-shell[data-workspace-mode=presenting]{padding-inline-start:112px}}@media(max-height:880px){.presentation-pen-rail{gap:3px;padding-block:6px}.presentation-pen-rail>*+*{padding-top:3px}.presentation-pen-rail__tools,.presentation-pen-rail__history{gap:1px}.presentation-pen-rail__button{gap:1px;padding-block:2px}.presentation-pen-rail__tool{min-height:46px}.presentation-pen-rail__icon{width:21px;height:21px}.presentation-pen-rail__label{font-size:12px}.presentation-pen-rail__swatches{grid-template-columns:repeat(2,34px);gap:1px 8px}.presentation-pen-rail__swatch,.presentation-pen-rail__swatch-spare{width:34px;height:34px}.presentation-pen-rail__swatch-dot{width:24px;height:24px}.presentation-pen-rail__size{min-height:30px}.presentation-pen-rail__half,.presentation-pen-rail__wide{min-height:42px}}@media(prefers-reduced-motion:reduce){.presentation-pen-rail__button{transition:none}}@media(forced-colors:active){.presentation-pen-rail{--presentation-pen-rail-cut: Canvas;border-color:CanvasText}.presentation-pen-rail [aria-pressed=true]{outline:3px solid Highlight;outline-offset:-3px}.presentation-pen-rail__swatch-dot{forced-color-adjust:none}.presentation-pen-rail__size-dot{background:CanvasText}.presentation-pen-rail__button:disabled{color:GrayText}}.presentation-pen-tools{position:fixed;inset-block-start:var(--presentation-exit-top, max(6px, env(safe-area-inset-top, 0px)));inset-inline-end:calc(var(--presentation-exit-right, max(16px, env(safe-area-inset-right, 0px))) + var(--presentation-exit-width, 150px) + 8px);z-index:40;display:flex;align-items:center;gap:8px;transition:opacity .3s ease}.presentation-pen-tools .application-header__diagram-actions{margin-right:0}.presentation-pen-tools .utility-action-button{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:7px 12px;font-weight:800;white-space:nowrap}.presentation-pen-tools__pen[aria-pressed=true],.presentation-pen-tools__pen[aria-pressed=true]:hover:not(:disabled){border-color:var(--button-soft-text);background:var(--button-soft-text);color:var(--button-soft)}.presentation-pen-tools__icon{width:16px;height:16px;flex:0 0 auto}.presentation-pen-tools__icon-tip{fill:var(--presentation-pen-ink)}@media(max-width:899px){.presentation-pen-tools{inset-block-start:calc(var(--presentation-exit-top, max(6px, env(safe-area-inset-top, 0px))) + 44px);inset-inline-end:var(--presentation-exit-right, max(16px, env(safe-area-inset-right, 0px)))}.presentation-bar-centre{inset-block-start:calc(var(--presentation-exit-top, max(6px, env(safe-area-inset-top, 0px))) + 44px);inset-inline-start:max(16px,env(safe-area-inset-left,0px));inset-inline-end:calc(var(--presentation-end-width, 0px) + 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svg{width:20px;height:20px}.presentation-save-button[data-saved=true] .library-bookmark path{fill:currentColor}.presentation-save-button__dot{position:absolute;top:5px;right:6px;width:8px;height:8px;border-radius:50%;background:#d0211c}@media(forced-colors:active){.presentation-save-button__dot{background:Highlight}.presentation-save-button[data-saved=true] .library-bookmark path{fill:ButtonText}}.presentation-blank-screen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:39;background:transparent}.presentation-blank-screen__card{position:fixed;display:flex;align-items:flex-end;justify-content:center;background:#000;cursor:none;forced-color-adjust:none}.presentation-blank-screen__hint{margin:0 16px 20px;color:#8a8a8a;font-size:var(--text-16);font-weight:700;text-align:center}.diagram-page-shell[data-screen-blank=true] .diagram-page-shell__graph-region{visibility:hidden}.diagram-page-shell[data-screen-blank=true] .diagram-page-shell__graph-region .graph-card{visibility:visible}.presentation-shortcuts-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:16px;background:color-mix(in srgb,var(--ink) 28%,transparent)}.presentation-shortcuts{width:min(480px,100%);max-height:calc(100vh - 32px);overflow-y:auto;padding:18px 20px 20px;border:1px solid var(--utility-border);border-radius:var(--utility-radius);background:var(--utility-surface);box-shadow:var(--utility-shadow);color:var(--ink)}.presentation-shortcuts__header{display:flex;align-items:center;justify-content:space-between;gap:12px}.presentation-shortcuts__title{margin:0;font-size:var(--text-20)}.presentation-shortcuts__note{margin:10px 0 0;color:var(--muted-ink)}.presentation-shortcuts__list{display:grid;grid-template-columns:max-content 1fr;gap:8px 16px;align-items:baseline;margin:14px 0 0}.presentation-shortcuts__keys{font-weight:700}.presentation-shortcuts__action{margin:0}.presentation-shortcuts__or{color:var(--muted-ink);font-weight:400}.presentation-shortcuts__single-keys{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:14px;padding-bottom:14px;border-bottom:1px solid var(--utility-border)}.presentation-shortcuts__single-keys-label{font-weight:700}.presentation-shortcuts__single-keys .presentation-shortcuts__note{flex-basis:100%;margin:0}.presentation-shortcuts kbd{display:inline-block;min-width:1.6em;padding:1px 6px;border:1px solid var(--utility-border);border-bottom-width:2px;border-radius:6px;background:var(--surface);font:inherit;font-size:.9em;text-align:center}.application-header__caret{flex:0 0 auto;color:var(--muted-ink);transition:color .16s ease}.application-header__navigator-trigger:hover .application-header__caret,.application-header__navigator-trigger:focus-visible .application-header__caret,.application-header__navigator-trigger[aria-expanded=true] .application-header__caret{color:var(--utility-accent)}.application-header__navigator-trigger[aria-expanded=true] .application-header__caret,.application-header__navigator-trigger[aria-expanded=true] .application-header__context-detail{color:inherit}.application-header__product-navigation{flex:1 1 auto;display:flex;align-items:center;min-width:0;padding:0 12px}.application-header__global-utilities{flex:0 0 auto}.application-header__workspace-actions{flex:0 0 auto;align-items:center;gap:8px;margin-left:auto;white-space:nowrap}.application-header__workspace-actions button{min-height:36px;padding:7px 12px;font-weight:800;white-space:nowrap}.application-header__workspace-actions .application-header__present-action{padding-inline:16px;border:2px solid var(--button);background:var(--utility-surface);box-shadow:none;color:var(--button)}.application-header__workspace-actions .application-header__present-action:hover:not(:disabled){border-color:var(--button);background:#17384f14;color:var(--button)}@media(min-width:960px){.application-header__home-link .brand-logo{height:28px}}.utility-action-button:focus-visible,.secondary-button:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.chip-button:focus-visible,.toggle-button:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.application-header__skip-link{position:fixed;inset-block-start:4px;inset-inline-start:8px;z-index:40;padding:10px 14px;border-radius:12px;background:var(--ink);color:#fff;font-weight:800;transform:translateY(-160%)}.application-header__skip-link:focus{transform:translateY(0)}.application-header__skip-link:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.diagram-navigator-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:25;background:var(--navigator-backdrop);-webkit-backdrop-filter:none;backdrop-filter:none}.diagram-navigator{position:fixed;inset-block-start:calc(56px + env(safe-area-inset-top,0px));inset-block-end:16px;inset-inline-start:16px;z-index:31;width:min(360px,calc(100vw - 32px));display:grid;grid-template-rows:minmax(0,1fr);overflow:hidden;border:1px solid var(--utility-border);border-radius:var(--utility-radius);background:var(--utility-surface);box-shadow:var(--utility-shadow)}.diagram-navigator__body{min-height:0;padding:8px 10px 10px;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-gutter:stable}.diagram-navigator__body :is(a[href],button,[tabindex]):not(.diagram-navigator__search *){scroll-margin-top:64px}.diagram-navigator__qualification-controls{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:8px 10px;margin:0 0 8px;padding:0}.diagram-navigator__qualification-controls>label:first-child{padding-left:14px;color:var(--ink);font-size:var(--ui-control-label-size);font-weight:700}.diagram-navigator__qualification-controls>:not(label,select){grid-column:1 / -1}.diagram-navigator__qualification-controls--quiet{display:block}.diagram-navigator__board-line{margin:0;padding:2px 14px;color:var(--muted-ink);font-size:var(--ui-control-label-size)}.diagram-navigator__board-line a{color:inherit;text-underline-offset:2px}.diagram-navigator__qualification-controls--quiet>:not(.diagram-navigator__board-line){margin-top:8px}.diagram-navigator__qualification-controls select{width:100%;min-height:40px;padding:0 34px 0 14px;border:1px solid var(--navigator-control-border);border-radius:999px;background:var(--utility-surface);color:var(--ink);font:inherit;font-weight:700}.qualification-diagram-controls__select{width:100%;min-height:42px;padding:8px 34px 8px 10px;border:1px solid var(--chip-border);border-radius:12px;background:var(--utility-surface);color:var(--ink);font:inherit;font-weight:700}.diagram-navigator__qualification-controls select:focus-visible,.qualification-diagram-controls__select:focus-visible{outline:2px solid var(--teal);outline-offset:2px}.diagram-navigator__list{display:grid;gap:2px}.diagram-navigator__year+.diagram-navigator__year{margin-top:12px;padding-top:12px;border-top:1px solid rgba(33,52,67,.1)}.diagram-navigator__year h2,.diagram-navigator__group h3{margin:0}.diagram-navigator__year h2{padding:6px 14px;color:var(--ink);font-size:var(--ui-list-heading-size);font-weight:800;line-height:1.2;letter-spacing:-.01em}.diagram-navigator__group h3{padding:6px 16px;color:var(--ink);font-size:var(--ui-list-subheading-size);font-weight:800;line-height:1.4;letter-spacing:.08em;text-transform:uppercase}.diagram-navigator__group+.diagram-navigator__group{margin-top:12px;padding-top:12px;border-top:1px solid rgba(33,52,67,.1)}.diagram-navigator__item{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:40px;padding:8px 14px 8px 24px;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--ink);font-size:var(--text-16);font-weight:700;text-decoration:none;text-align:left;cursor:pointer}.diagram-navigator__item:hover{border-color:transparent;background:var(--button-soft)}.diagram-navigator__item:focus-visible{border-color:transparent;outline:none;background:var(--button-soft);box-shadow:inset 0 0 0 2px var(--teal)}.diagram-navigator__item[aria-current=page]{border-color:var(--button);background:var(--button);color:var(--button-text)}.diagram-navigator__item[aria-current=page]:focus-visible{box-shadow:inset 0 0 0 2px var(--teal),inset 0 0 0 4px var(--button-text)}.diagram-navigator__item[aria-current=page] :is(.diagram-navigator__current,.diagram-navigator__revisit,.diagram-navigator__optional-enrichment){color:inherit}.diagram-navigator__item>span:first-child{min-width:0}.diagram-navigator__current{flex:0 0 auto;color:var(--teal);font-size:var(--ui-control-label-size);font-weight:800}.diagram-navigator__item-status{display:inline-flex;flex:0 0 auto;flex-wrap:wrap;justify-content:flex-end;gap:8px;align-items:center}.diagram-navigator__optional-enrichment,.diagram-navigator__revisit{color:var(--ink);font-size:var(--text-13);font-weight:800;text-transform:uppercase;letter-spacing:.04em}.diagram-navigator__revisit{color:var(--muted-ink)}.diagram-navigator__current-exception{border-color:var(--shortage)}.qualification-family-warning{display:flex;justify-content:space-between;gap:12px;align-items:center;width:min(var(--page-max-width),calc(100% - 32px));margin:12px auto 0;padding:12px 14px;border:1px solid var(--shortage);border-radius:12px;background:var(--utility-surface);color:var(--ink)}.qualification-family-warning__actions{display:flex;flex-wrap:wrap;gap:8px}.page-shell{width:min(var(--page-max-width),calc(100% - 32px));margin:0 auto;padding:28px 0 40px}.page-shell.diagram-page-shell{width:calc(100% - 32px);padding-top:12px}.diagram-page-shell[data-workspace-mode=presenting]{padding-top:8px}.diagram-page-shell[data-workspace-mode=presenting]{--presentation-controls-clearance: calc( var(--presentation-exit-top, max(6px, env(safe-area-inset-top, 0px))) + 44px );padding-top:var(--presentation-controls-clearance)}.page-shell.diagram-page-shell[data-workspace-mode=presenting]{padding-top:var(--presentation-controls-clearance)}@media(max-width:899px){.diagram-page-shell[data-workspace-mode=presenting]{--presentation-controls-clearance: calc( var(--presentation-exit-top, max(6px, env(safe-area-inset-top, 0px))) + 88px )}}.diagram-module-outlet[data-module-state=ready]{display:contents}.diagram-module-outlet--message{width:calc(100% - 32px);margin:0 auto;padding:28px 0 40px}.diagram-module-message{min-height:clamp(360px,62vh,580px);display:grid;place-content:center;justify-items:center;gap:14px;padding:28px;border:1px solid var(--panel-border);border-radius:20px;background:var(--canvas);box-shadow:var(--shadow-lg);text-align:center}.diagram-module-message h1,.diagram-module-message p{margin:0}.diagram-module-message>p:not(.eyebrow){max-width:42rem;color:var(--muted-ink);line-height:1.5}.diagram-module-message__free{display:grid;justify-items:center;gap:8px;width:min(100%,34rem);margin-top:6px;padding-top:16px;border-top:1px solid var(--panel-border);color:var(--muted-ink);line-height:1.5}.diagram-module-message__free ul{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 16px;margin:0;padding:0;list-style:none}.diagram-module-message__free a{color:var(--teal);font-weight:700}.locked-diagram-layout{display:grid;justify-items:center;gap:18px;width:100%}.locked-diagram-layout__sign-in{display:grid;justify-items:center;align-content:start;gap:14px;width:100%}@media(min-width:900px){.locked-diagram-layout{grid-template-columns:minmax(0,26rem) minmax(0,24rem);justify-content:center;align-items:start;gap:40px}}.locked-diagram-picture{display:grid;justify-items:center;gap:8px;width:min(100%,24rem);margin:0}.locked-diagram-layout:has(.school-purchase-disclosure>[aria-expanded=true]) .locked-diagram-picture{display:none}.no-wrap{white-space:nowrap}.locked-diagram-picture img{display:block;width:100%;height:auto;border:1px solid var(--panel-border);border-radius:20px;background:var(--canvas)}.locked-diagram-picture a{color:var(--teal);font-weight:700}.teacher-sign-in{display:grid;gap:10px;width:min(100%,24rem);margin-top:4px}.teacher-sign-in__providers{display:grid;gap:10px;text-align:left}.teacher-sign-in__provider{display:flex;align-items:center;justify-content:center;gap:12px;min-height:44px;padding:9px 16px;border:1px solid var(--chip-border);border-radius:999px;background-color:var(--canvas);color:var(--ink);font-weight:700;text-decoration:none}.teacher-sign-in__provider:hover{border-color:var(--ink)}.teacher-sign-in__provider:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.teacher-sign-in__provider-logo{flex:none;width:20px;height:20px}.teacher-sign-in__divider{display:flex;align-items:center;gap:10px;margin:4px 0 0;color:var(--muted-ink)}.teacher-sign-in__divider:before,.teacher-sign-in__divider:after{content:"";flex:1;border-top:1px solid var(--chip-border)}.teacher-sign-in__form{display:grid;gap:10px;text-align:left}.teacher-sign-in__label{font-weight:700}.teacher-sign-in__input{min-height:44px;padding:9px 13px;border:1px solid var(--chip-border);border-radius:12px;background-color:var(--canvas);color:var(--ink);font:inherit}.teacher-sign-in__input:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.teacher-sign-in__input--code{font-variant-numeric:lining-nums tabular-nums;letter-spacing:.2em}.teacher-sign-in__note{margin:0;color:var(--muted-ink)}.teacher-sign-in__links{display:flex;flex-wrap:wrap;gap:4px 16px}.teacher-sign-in__link{padding:0;border:0;background:none;color:var(--teal);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer}.teacher-sign-in__link:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.teacher-sign-in__error{margin:0;color:var(--ink);font-weight:700}.error-summary{padding:14px 18px 14px 16px;border:2px solid var(--notice-urgent);border-left-width:10px;border-radius:12px;background:color-mix(in srgb,var(--notice-urgent) 10%,var(--canvas));color:var(--ink);text-align:left}.error-summary:focus{outline:none}.error-summary__title{display:flex;align-items:center;gap:8px;margin:0 0 8px;color:var(--notice-urgent);font-weight:800;font-size:var(--text-20)}.error-summary__icon{flex:none;width:1.4em;height:1.4em}.error-summary__list{display:grid;gap:4px;margin:0;padding-left:1.2em}.error-summary__list a{color:var(--teal);font-weight:700}.error-summary__list a:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.school-purchase-disclosure{display:grid;justify-items:center;gap:12px;width:min(100%,26rem)}.school-purchase{display:grid;gap:12px;width:100%;padding-top:4px;text-align:left}.school-purchase__field{display:grid;gap:6px}.school-purchase__group{display:grid;gap:10px;margin:0;padding:0;border:0}.school-purchase__group-title{margin-bottom:2px;padding:0;font-family:var(--font-display);font-size:var(--text-16);font-weight:700}.school-search__box{display:grid;position:relative}.school-search__list{position:absolute;z-index:5;top:calc(100% + 4px);right:0;left:0;max-height:18rem;margin:0;padding:4px;overflow-y:auto;border:1px solid var(--chip-border);border-radius:12px;background-color:var(--canvas);box-shadow:var(--shadow-sm);list-style:none}.school-search__list[hidden]{display:none}.school-search__option{display:grid;gap:2px;padding:8px 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