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.course-pdf-viewer__viewer{min-height:0;max-height:none}@keyframes course-pdf-spin{to{transform:rotate(360deg)}}@media (width<=640px){.course-pdf-viewer__toolbar{flex-wrap:wrap;gap:10px}.course-pdf-viewer__toolbar-group--center{border-top:var(--border-width) solid var(--color-border);order:3;justify-content:center;width:100%;padding-top:10px}.course-pdf-viewer__viewer{padding:var(--space-4)}}.course-rich-text [data-editor-block=note]{background:var(--color-yellow-50);border:var(--border-width) solid var(--color-gray-100);border-left:4px solid var(--color-blue-400);border-radius:4px;padding:1.25rem 1.5rem;position:relative}.course-rich-text [data-editor-block=note] p{color:var(--color-gray-800);font-size:var(--font-size);margin:0;line-height:1.5}.course-rich-text [data-editor-block=note]:before{content:"📝";opacity:.6;color:var(--color-gray-600);position:absolute;top:1rem;right:1rem}.course-rich-text>div:has(>[data-editor-block=note])+div>[data-editor-block=legacy]{margin-top:1.5rem}@media (prefers-color-scheme:dark){.course-rich-text [data-editor-block=note]{background:var(--color-gray-800);border-color:var(--color-gray-600);border-left-color:var(--color-blue-300)}.course-rich-text [data-editor-block=note] p{color:var(--color-slate-50)}.course-rich-text [data-editor-block=note]:before{color:var(--color-slate-300)}}.course-rich-text [data-editor-block=statement]{border:2px solid var(--color-blue-400);border-radius:var(--radius-sm);box-shadow:0 2px 8px color-mix(in srgb, var(--color-black) 10%, transparent);background:#fff;margin:2rem 0;padding:1.5rem 2rem;position:relative}.course-rich-text [data-editor-block=statement] p{font-size:var(--font-size);font-weight:var(--font-weight-medium);text-align:center;color:var(--color-gray-950);margin:0;line-height:1.5}.course-rich-text [data-editor-block=statement]:before{content:"💡";background:var(--color-blue-400);color:#fff;width:30px;height:30px;font-size:var(--font-size);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:-15px;left:50%;transform:translate(-50%)}@media (prefers-color-scheme:dark){.course-rich-text [data-editor-block=statement]{background:var(--color-gray-950);border-color:var(--color-blue-300)}.course-rich-text [data-editor-block=statement] p{color:var(--color-slate-50)}.course-rich-text [data-editor-block=statement]:before{background:var(--color-blue-300)}}.course-rich-text [data-editor-block=quote]{margin:0 0 1.75rem;padding:0;position:relative}.course-rich-text [data-editor-block=quote] .quote-block{border:var(--border-width) solid color-mix(in srgb, var(--color-slate-300) 35%, transparent);background:color-mix(in srgb, var(--color-white) 94%, transparent);max-width:48rem;box-shadow:0 18px 40px -32px color-mix(in srgb, var(--color-slate-900) 28%, transparent);border-radius:1.25rem;margin:0 auto;padding:2.25rem 2.75rem;transition:border-color .2s,box-shadow .2s;position:relative;overflow:hidden}.course-rich-text .quote-block:before{content:"";border-radius:var(--radius-pill);background:linear-gradient(180deg, color-mix(in srgb, var(--color-blue-400) 55%, transparent), color-mix(in srgb, var(--color-cyan-700) 55%, transparent));pointer-events:none;width:3px;position:absolute;inset:1.5rem auto 1.5rem .85rem}:where(.course-rich-text) .quote-block[data-variant=accent]{border-color:color-mix(in srgb, var(--color-indigo-400) 45%, transparent);background:linear-gradient(180deg, color-mix(in srgb, var(--color-indigo-400) 8%, transparent), color-mix(in srgb, var(--color-white) 96%, transparent));box-shadow:0 22px 42px -28px color-mix(in srgb, var(--color-indigo-400) 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.quote-block__attribution{text-align:center;font-size:var(--font-size);font-weight:var(--font-weight-medium);letter-spacing:.05em;text-transform:uppercase;color:color-mix(in srgb, var(--color-slate-700) 90%, transparent);margin-top:1.25rem}.course-rich-text .quote-block[data-variant=accent] .quote-block__attribution{color:color-mix(in srgb, var(--color-indigo-600) 78%, transparent)}.course-rich-text [data-editor-block$=-list]{margin:1.5rem 0}.course-rich-text>div:has(>[data-editor-block=legacy])+div>[data-editor-block$=-list]{margin-top:-2rem}.course-rich-text>div:has(>[data-editor-block$=-list])+div>[data-editor-block=legacy]{margin-top:-1rem}.course-rich-text .list-block{margin:0;padding:0;list-style:none}.course-rich-text .list-block__item{align-items:flex-start;gap:.875rem;margin-bottom:.875rem;padding-left:0;display:flex}.course-rich-text .list-block__item:last-child{margin-bottom:0}.course-rich-text .list-block--numbered .list-block__marker{background:linear-gradient(135deg, var(--color-blue-400) 0%, var(--color-blue-700) 100%);width:28px;height:28px;color:var(--color-surface);font-size:var(--font-size);font-weight:var(--font-weight-semibold);-webkit-user-select:none;user-select:none;pointer-events:none;box-shadow:0 2px 4px color-mix(in srgb, var(--color-blue-700) 20%, transparent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;line-height:1;display:inline-flex}.course-rich-text .list-block--checkbox .list-block__marker--checkbox{border:2px solid color-mix(in srgb, var(--color-slate-500) 50%, transparent);background:var(--color-surface);-webkit-user-select:none;user-select:none;pointer-events:none;border-radius:.25rem;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;margin-top:.125rem;transition:border-color .2s,background-color .2s;display:inline-flex}.course-rich-text .list-block--checkbox .list-block__item:hover .list-block__marker--checkbox{border-color:color-mix(in srgb, var(--color-blue-400) 60%, transparent)}.course-rich-text .list-block--bulleted .list-block__marker--bullet{background:color-mix(in srgb, var(--color-blue-400) 80%, transparent);-webkit-user-select:none;user-select:none;pointer-events:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:8px;height:8px;margin-top:.5rem;margin-left:.25rem;display:inline-flex}.course-rich-text .list-block__content{min-width:0;font-size:var(--font-size);line-height:1.7;font-weight:var(--font-weight-regular);color:color-mix(in srgb, var(--color-slate-900) 92%, transparent);flex:1;padding-top:.125rem}@media (width>=768px){.course-rich-text .list-block__item{gap:1rem;margin-bottom:1rem}.course-rich-text .list-block--numbered .list-block__marker{width:30px;height:30px;font-size:var(--font-size)}.course-rich-text .list-block--checkbox .list-block__marker--checkbox{width:22px;height:22px}.course-rich-text .list-block__content{font-size:var(--font-size)}}@media print{.course-rich-text .list-block,.course-rich-text .list-block__item{break-inside:avoid}}.course-rich-text [data-editor-block=divider],.course-rich-text [data-editor-block=numbered-divider]{justify-content:center;margin-block:3rem;display:flex}.course-rich-text [data-editor-block=divider] .divider-block{background:linear-gradient(90deg, color-mix(in srgb, var(--color-blue-700) 16%, transparent), color-mix(in srgb, var(--color-blue-700) 66%, transparent), color-mix(in srgb, var(--color-blue-700) 16%, transparent));border-radius:9999px;width:min(100%,720px);height:2px}.course-rich-text [data-editor-block=numbered-divider] .numbered-divider{align-items:center;gap:1.5rem;width:min(100%,720px);display:flex}.course-rich-text .numbered-divider__line{background:linear-gradient(90deg, color-mix(in srgb, var(--color-blue-700) 66%, transparent), color-mix(in srgb, var(--color-blue-700) 66%, transparent));border-radius:9999px;flex:1;height:2px}.course-rich-text .numbered-divider__badge{background:var(--color-blue-600);width:2.5rem;height:2.5rem;color:var(--color-slate-900);font-size:var(--font-size);font-weight:var(--font-weight-semibold);box-shadow:0 8px 16px color-mix(in srgb, var(--color-blue-700) 66%, transparent);border-radius:9999px;justify-content:center;align-items:center;display:inline-flex}.course-rich-text [data-editor-block=spacer]{margin-block:2rem}.course-rich-text [data-editor-block=spacer] .divider-spacer{width:100%;height:3rem}.document-usecase-grid{gap:var(--space-6);align-items:start;display:grid}.document-usecase-files{gap:var(--space-4);min-width:0;display:grid}.document-usecase-preview-card,.document-usecase-upload-card,.document-usecase-conversation{border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);box-shadow:0 1px 2px color-mix(in srgb, var(--color-black) 5%, transparent);background:#fff;overflow:hidden}.document-usecase-preview-card:not(.is-sample),.document-usecase-upload-card{padding:var(--space-4)}.document-usecase-preview{height:620px;position:relative;overflow:hidden}.document-usecase-preview .course-pdf-viewer{height:100%;box-shadow:none;border:0;border-radius:0;margin:0}.document-usecase-preview .course-pdf-viewer__viewer{flex:1;min-height:0;max-height:none}.document-usecase-preview .course-pdf-viewer:fullscreen{height:100vh}.document-usecase-no-preview{justify-content:center;align-items:center;gap:var(--space-3);background:var(--color-bg-subtle);height:100%;color:var(--color-slate-500);padding:var(--space-6);text-align:center;overflow-wrap:anywhere;flex-direction:column;display:flex}.document-usecase-no-preview strong{color:var(--color-slate-800);font-size:var(--font-size)}.document-usecase-no-preview span{font-size:var(--font-size)}.document-usecase-overlay{justify-content:center;align-items:center;gap:var(--space-6);background:color-mix(in srgb, var(--color-white) 60%, transparent);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);flex-direction:column;display:flex;position:absolute;inset:0}.document-usecase-document-icon{width:64px;height:64px;color:var(--color-indigo-600);background:var(--color-slate-100);border-radius:50%;place-items:center;display:grid}.document-usecase .document-usecase-primary{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-sm);background:var(--color-indigo-600);color:#fff;font-size:var(--font-size);font-weight:var(--font-weight-semibold);cursor:pointer;box-shadow:0 4px 8px color-mix(in srgb, var(--color-black) 10%, transparent);border:0;display:inline-flex}.document-usecase .document-usecase-primary:hover{background:var(--color-indigo-400)}.document-usecase button:disabled{cursor:not-allowed;opacity:.6}.document-usecase-analyze{width:100%;margin-top:var(--space-4)}.document-usecase-file-info{align-items:center;gap:var(--space-3);color:var(--color-indigo-400);padding:var(--space-3);margin-bottom:var(--space-3);background:var(--color-bg-subtle);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-sm);display:flex}.document-usecase-file-info>span{font-size:var(--font-size-title)}.document-usecase-preview-card:not(.is-sample) .document-usecase-preview{border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md)}.document-usecase-no-preview .document-usecase-file-emoji{font-size:var(--icon-size-lg)}.document-usecase-file-info>div{min-width:0;color:var(--color-slate-800);flex:1}.document-usecase-file-info strong{overflow-wrap:anywhere;font-size:var(--font-size);display:block}.document-usecase-file-info 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.challenge-iterations-count{background:var(--ch-slate-200);color:var(--ch-slate-600);padding:2px 8px;font-size:12px;font-weight:500;line-height:16px}.course-challenge .challenge-iterations-list{border-top:1px solid var(--ch-slate-200);gap:8px;padding:16px}.course-challenge .challenge-iteration{border:1px solid var(--ch-slate-200);border-radius:var(--ch-radius);background:var(--ch-slate-50);padding:12px}.course-challenge .challenge-iteration:last-child{border:2px solid var(--ch-indigo-200);background:var(--ch-indigo-50)}.course-challenge .challenge-iteration-heading{color:var(--ch-slate-600);margin:0 0 8px;font-size:12px;font-weight:600;line-height:16px}.course-challenge .challenge-iteration:last-child .challenge-iteration-heading{color:var(--ch-indigo-900)}.course-challenge .challenge-iteration-current{background:var(--ch-indigo-600);color:#fff;padding:2px 8px;font-size:12px;font-weight:500;line-height:16px}.course-challenge .challenge-iteration-prompt{border:1px solid var(--ch-slate-200);color:var(--ch-slate-700);background:#fff;border-radius:8px;padding:8px;font-size:12px;line-height:16px}.course-challenge .challenge-output{border:1px solid var(--ch-slate-200);border-radius:var(--ch-radius);box-shadow:var(--ch-shadow-sm);background:#fff;overflow:hidden}.course-challenge .challenge-output-heading{border-bottom:1px solid var(--ch-slate-200);background:linear-gradient(90deg, var(--ch-slate-50), color-mix(in srgb, var(--ch-slate-100) 50%, transparent));color:var(--ch-slate-800);border-radius:0;margin:0;padding:14px 20px;font-size:14px;font-weight:600;line-height:20px}.course-challenge .challenge-output-heading .anticon{color:var(--ch-indigo-600);font-size:16px}.course-challenge .challenge-output-body{border:1px solid var(--ch-slate-200);border-radius:var(--ch-radius);max-height:384px;box-shadow:var(--ch-shadow-sm);color:var(--ch-slate-900);white-space:normal;background:#fff;margin:20px;padding:20px;font-size:14px;line-height:1.625}.course-challenge .course-challenge-markdown>:first-child{margin-top:0}.course-challenge .course-challenge-markdown>:last-child{margin-bottom:0}.course-challenge .course-challenge-markdown p{font-size:inherit;line-height:inherit;margin:16px 0}.course-challenge .course-challenge-markdown :is(h1,h2,h3,h4){color:var(--ch-slate-900);line-height:1.4}.course-challenge .course-challenge-markdown h1{margin:0 0 24px;font-size:30px;font-weight:800;line-height:1.2}.course-challenge .course-challenge-markdown h2{margin:32px 0 16px;font-size:20px;font-weight:700}.course-challenge .course-challenge-markdown h3{margin:22px 0 8px;font-size:18px;font-weight:600}.course-challenge .course-challenge-markdown h4{margin:20px 0 8px;font-size:14px;font-weight:600}.course-challenge .course-challenge-markdown :is(ul,ol){margin:16px 0;padding-left:22px}.course-challenge .course-challenge-markdown ul{list-style:outside}.course-challenge .course-challenge-markdown ol{list-style:decimal}.course-challenge .course-challenge-markdown li{margin:4px 0;padding-left:6px}.course-challenge .course-challenge-markdown li::marker{color:var(--ch-slate-400)}.course-challenge .course-challenge-markdown strong{font-weight:600}.course-challenge .course-challenge-markdown a{color:var(--ch-slate-900);font-weight:500;text-decoration:underline}.course-challenge .course-challenge-markdown blockquote{border-left:4px solid var(--ch-slate-200);margin:18px 0;padding-left:16px;font-style:italic;font-weight:500}.course-challenge .course-challenge-markdown hr{border:0;border-top:1px solid var(--ch-slate-200);margin:40px 0}.course-challenge .course-challenge-markdown code{font-size:12px;font-weight:600}.course-challenge .course-challenge-markdown pre{background:var(--ch-slate-800);color:var(--ch-slate-200);border-radius:4px;margin:20px 0;padding:8px 12px;font-size:12px;line-height:1.67;overflow-x:auto}.course-challenge .course-challenge-markdown pre code{font-weight:400}.course-challenge .course-challenge-markdown table{border-collapse:collapse;text-align:left;width:100%;margin:20px 0;font-size:12px;line-height:1.5}.course-challenge .course-challenge-markdown th{border-bottom:1px solid var(--ch-slate-300);padding:0 12px 8px;font-weight:600}.course-challenge .course-challenge-markdown td{border-bottom:1px solid var(--ch-slate-200);padding:8px 12px}.course-challenge .challenge-optimizer{gap:16px}.course-challenge .challenge-optimizer-result{border:2px solid var(--ch-indigo-200);border-radius:var(--ch-radius);background:linear-gradient(135deg, var(--ch-indigo-50), var(--ch-purple-50));padding:24px}.course-challenge .challenge-optimizer-heading{color:var(--ch-indigo-900);font-size:18px;font-weight:600;line-height:28px}.course-challenge .challenge-optimizer-apply{border-radius:var(--ch-radius);height:auto;box-shadow:var(--ch-shadow-sm);padding:8px 16px;font-weight:500;line-height:20px;background:linear-gradient(90deg, var(--ch-emerald-600), var(--ch-teal-600))!important;color:#fff!important;border:0!important;font-size:14px!important}.course-challenge .challenge-optimizer-apply:not(:disabled):hover{box-shadow:var(--ch-shadow-md);background:linear-gradient(90deg, var(--ch-emerald-700), var(--ch-teal-700))!important}.course-challenge .challenge-optimizer-prompt{border:1px solid var(--ch-indigo-200);border-radius:var(--ch-radius);color:var(--ch-slate-900);background:#fff;margin-top:16px;padding:16px;font-size:16px;line-height:1.625}.course-kc{gap:var(--space-6);margin:var(--space-6) 0;color:var(--color-slate-900);flex-direction:column;display:flex}.course-kc-card{background:var(--color-surface);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-6);gap:var(--space-6);box-shadow:0 1px 2px color-mix(in srgb, var(--color-black) 5%, transparent);flex-direction:column;display:flex}.course-kc-card-header{gap:var(--space-2);flex-direction:column;display:flex}.course-kc .course-kc-question{font-size:var(--font-size-title);font-weight:var(--font-weight-semibold);color:var(--color-slate-900);margin:0;line-height:1.5}.course-kc-hint{padding:var(--space-3);border-radius:var(--radius-sm);background:var(--color-info-soft);border:var(--border-width) solid var(--color-blue-200)}.course-kc-hint p{font-size:var(--font-size);color:var(--color-navy-700);margin:0}.course-kc-options{gap:var(--space-3);flex-direction:column;display:flex}.course-kc-option{align-items:flex-start;gap:var(--space-3);text-align:left;width:100%;padding:var(--space-4);border-radius:var(--radius-md);border:var(--border-width) solid var(--color-border);background:var(--color-surface);color:inherit;font:inherit;cursor:pointer;transition:border-color .2s,background-color .2s;display:flex}.course-kc-option:hover:not(.is-locked){border-color:var(--color-border-strong)}.course-kc-option.is-selected{border-color:var(--color-blue-400);background:color-mix(in srgb, var(--color-blue-50) 50%, transparent)}.course-kc-option.is-locked{cursor:not-allowed}.course-kc-option.is-locked.is-selected{background:color-mix(in srgb, var(--color-blue-50) 30%, transparent)}.course-kc-option-badge{margin-top:var(--space-1);border-radius:var(--radius-pill);width:32px;height:32px;font-size:var(--font-size);font-weight:var(--font-weight-semibold);background:var(--color-sky-50);color:var(--color-slate-800);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.course-kc-option.is-selected .course-kc-option-badge{background:var(--color-blue-700);color:var(--color-surface)}.course-kc-option-body{gap:var(--space-1);flex-direction:column;flex:1;min-width:0;display:flex}.course-kc-option-text{color:var(--color-slate-900)}.course-kc-option-explanation{font-size:var(--font-size);color:var(--color-text-secondary)}.course-kc-option-status{margin-top:var(--space-1);border-radius:var(--radius-pill);border:var(--border-width) solid;width:24px;height:24px;font-size:var(--font-size);font-weight:var(--font-weight-semibold);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.course-kc-option-status.is-correct{border-color:var(--color-teal-200);color:var(--color-teal-800)}.course-kc-option-status.is-incorrect{border-color:var(--color-red-200);color:var(--color-red-800)}.course-kc-actions{gap:var(--space-4);padding-top:var(--space-2);border-top:var(--border-width) solid var(--color-border);flex-direction:column;display:flex}.course-kc-buttons{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.course-kc-finish{padding:10px var(--space-5);border-radius:var(--radius-sm);font-size:var(--font-size);font-weight:var(--font-weight-medium);background:var(--color-blue-800);color:var(--color-surface);cursor:pointer;border:0;justify-content:center;align-items:center;transition:background-color .2s;display:inline-flex}.course-kc-finish:hover:not(:disabled){background:var(--color-blue-900)}.course-kc-finish:disabled{background:var(--color-border-strong);color:var(--color-text-secondary);cursor:not-allowed}.course-kc-retry{padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);border:var(--border-width) solid var(--color-border-strong);background:var(--color-surface);color:var(--color-slate-800);font-size:var(--font-size);font-weight:var(--font-weight-medium);cursor:pointer;justify-content:center;align-items:center;transition:background-color .2s;display:inline-flex}.course-kc-retry:hover{background:var(--color-bg-subtle)}.course-kc-warning{font-size:var(--font-size);color:var(--color-red-800);margin:0}.course-kc-matching{gap:var(--space-4);--kc-box-radius:var(--radius-md);--kc-box-min-height:2.5rem;--kc-box-padding:.6rem .85rem;flex-direction:column;display:flex}.course-kc-matching-header{gap:var(--space-1);flex-direction:column;display:flex}.course-kc-matching-hint{font-size:var(--font-size);color:color-mix(in srgb, var(--color-slate-700) 90%, transparent);margin:0;line-height:1.6}.course-kc-matching-options{border:var(--border-width) solid color-mix(in srgb, var(--color-slate-100) 90%, transparent);padding:var(--space-3);background:0 0;border-radius:10px}.course-kc-matching-option-list{flex-flow:wrap;align-items:stretch;gap:7px;margin:0;padding:0;list-style:none;display:flex}.course-kc-matching-option{align-items:center;gap:var(--space-3);padding:var(--kc-box-padding);min-height:var(--kc-box-min-height);border-radius:var(--kc-box-radius);border:2px solid color-mix(in srgb, var(--color-slate-100) 90%, transparent);background:color-mix(in srgb, var(--color-white) 90%, transparent);cursor:grab;box-sizing:border-box;flex:0 auto;max-width:100%;transition:border-color .2s,background-color .2s;display:flex}.course-kc-matching-option:active{cursor:grabbing}.course-kc-matching-option:hover{border-color:color-mix(in srgb, var(--color-slate-300) 90%, transparent);background:var(--color-surface)}.course-kc-matching-option.is-dragging{opacity:.9;border-color:color-mix(in srgb, var(--color-blue-400) 55%, transparent);box-shadow:0 12px 24px color-mix(in srgb, var(--color-blue-400) 22%, transparent)}.course-kc-matching-option.is-selected{border-color:color-mix(in srgb, var(--color-slate-900) 75%, transparent);background:linear-gradient(135deg, color-mix(in srgb, var(--color-blue-200) 65%, transparent) 0%, color-mix(in srgb, var(--color-slate-100) 55%, transparent) 100%);box-shadow:0 10px 20px color-mix(in srgb, var(--color-slate-900) 12%, transparent), inset 0 0 0 1px color-mix(in srgb, var(--color-white) 60%, transparent)}.course-kc-matching-handle{width:1rem;height:1.25rem;color:color-mix(in srgb, var(--color-slate-900) 95%, transparent);opacity:.85;flex-shrink:0;align-self:center;font-size:0;display:inline-flex;position:relative}.course-kc-matching-handle:before{content:"";border-radius:var(--radius-pill);background:currentColor;width:2px;height:2px;position:absolute;top:2px;left:2px;box-shadow:0 4px,0 8px,4px 0,4px 4px,4px 8px}.course-kc-matching-option-text{min-width:0;font-size:var(--font-size);color:color-mix(in srgb, var(--color-navy-900) 92%, transparent);white-space:normal;flex:0 auto;line-height:1.55}.course-kc-matching-pairs{gap:var(--space-2);margin-top:var(--space-3);flex-direction:column;display:flex}.course-kc-matching-pair-list{gap:var(--space-2);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.course-kc-matching-pair{border-radius:var(--kc-box-radius);border:var(--border-width) solid color-mix(in srgb, var(--color-slate-100) 90%, transparent);background:var(--color-surface);grid-template-columns:minmax(0,1fr) 2rem minmax(0,1fr);align-items:stretch;gap:0;padding:.6rem;display:grid;position:relative}.course-kc-matching-prompt,.course-kc-matching-answer{gap:var(--space-2);flex-direction:column;height:100%;display:flex;position:relative}.course-kc-matching-prompt-value{min-height:var(--kc-box-min-height);padding:var(--kc-box-padding);border-radius:var(--kc-box-radius);border:3px solid color-mix(in srgb, var(--color-slate-200) 90%, transparent);background:var(--color-slate-50);font-size:var(--font-size);color:color-mix(in srgb, var(--color-navy-900) 95%, transparent);box-sizing:border-box;overflow-wrap:anywhere;align-items:flex-start;width:100%;height:100%;line-height:1.55;display:flex}.course-kc-matching-arrow{width:2rem;font-size:var(--font-size-title);color:var(--color-black);opacity:.35;justify-content:center;align-self:center;align-items:center;font-weight:300;display:flex}.course-kc-matching-arrow.has-match{opacity:1}.course-kc-matching-dropzone{width:100%;min-height:var(--kc-box-min-height);padding:var(--kc-box-padding);border-radius:var(--kc-box-radius);border:2px solid color-mix(in srgb, var(--color-slate-200) 90%, transparent);background:var(--color-surface);box-sizing:border-box;cursor:pointer;align-items:flex-start;height:100%;padding-right:2.5rem;transition:border-color .2s,box-shadow .2s;display:flex;position:relative}.course-kc-matching-dropzone:before{content:attr(data-placeholder);color:color-mix(in srgb, var(--color-slate-500) 60%, 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transparent);color:color-mix(in srgb, var(--color-slate-800) 95%, transparent)}.course-kc-matching-tip{margin:var(--space-3) 0 0;font-size:var(--font-size);color:var(--color-text-secondary);line-height:1.75}.course-kc-matching[data-mobile-selecting=true] .course-kc-matching-dropzone.is-mobile-target{border-color:color-mix(in srgb, var(--color-blue-400) 70%, transparent);background:color-mix(in srgb, var(--color-blue-50) 90%, transparent);box-shadow:0 0 0 4px color-mix(in srgb, var(--color-blue-400) 15%, transparent);isolation:isolate;border-width:3px}.course-kc-matching[data-mobile-selecting=true] .course-kc-matching-dropzone.is-mobile-target:after{content:"";border:2px solid color-mix(in srgb, var(--color-blue-400) 55%, transparent);pointer-events:none;border-radius:14px;animation:.75s linear infinite course-kc-matching-ripple;position:absolute;inset:-.35rem}@keyframes course-kc-matching-ripple{0%{opacity:.7;border-radius:14px;inset:-.35rem}to{border-radius:var(--radius-xl);opacity:0;inset:-1.05rem}}@media (prefers-reduced-motion:reduce){.course-kc-matching[data-mobile-selecting=true] .course-kc-matching-dropzone.is-mobile-target:after{opacity:0;animation:none}}@media (width<=640px){.course-kc-matching-option-list{flex-direction:column;align-items:stretch}.course-kc-matching-option{flex:none;width:100%}.course-kc-matching-pair{gap:var(--space-3);grid-template-columns:1fr}.course-kc-matching-arrow{opacity:.75;margin:0 auto;display:inline-flex;transform:rotate(90deg)}.course-kc-matching-dropzone.has-match{text-align:center;flex-direction:column;justify-content:center;align-items:stretch;padding-right:1rem}.course-kc-matching-dropzone.has-match .course-kc-matching-answer-value{text-align:center;flex:none;width:100%;padding-right:0}.course-kc-matching-dropzone.has-match .course-kc-matching-remove{width:2rem;height:2rem;font-size:var(--font-size-title);align-self:center;margin-top:.45rem;position:static;transform:none}}.course-assessment{max-width:56rem;padding:var(--space-6);gap:var(--space-6);color:var(--color-slate-900);flex-direction:column;margin:0 auto;display:flex}.course-assessment-header{gap:var(--space-4);flex-direction:column;display:flex}.course-assessment-header-row{justify-content:space-between;align-items:center;gap:var(--space-4);display:flex}.course-assessment-header-row h2{font-size:var(--font-size-title);line-height:32px;font-weight:var(--font-weight-semibold);color:var(--color-slate-900);margin:0}.course-assessment-header-row 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var(--color-border);display:flex}.course-video-transcript__eyebrow{color:var(--color-slate-500);font-size:var(--font-size);font-weight:var(--font-weight-semibold);letter-spacing:.14em;text-transform:uppercase;margin:0}.course-video-transcript__title{color:var(--color-slate-900);font-size:var(--font-size);font-weight:var(--font-weight-semibold);margin:0}.course-video-transcript__close{padding:var(--space-1);border-radius:var(--radius-pill);color:var(--color-text-muted);cursor:pointer;background:0 0;border:0;display:inline-flex}.course-video-transcript__close:hover{color:var(--color-slate-800);background:color-mix(in srgb, var(--color-slate-100) 70%, transparent)}.course-video-transcript__close svg{width:16px;height:16px}.course-video-transcript__body{min-height:0;padding:var(--space-4);flex:1}@media (width<=1023px){.course-video-layout--transcript{padding:var(--space-4);grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(0,1fr)}}.session-monitor-body{justify-items:center;gap:var(--space-2);text-align:center;display:grid}.session-monitor-body .ant-typography{margin:0}.session-monitor-icon{width:48px;height:48px;color:var(--color-amber-700);background:var(--color-amber-50);border-radius:50%;place-items:center;font-size:24px;display:grid}.session-monitor-countdown{color:var(--color-indigo-600);font-size:48px;line-height:1}.session-monitor-body .ds-button{margin-top:var(--space-3)}