.file-preview-download{border:1px solid var(--color-border);background:var(--color-background);min-height:44px;color:var(--color-foreground);border-radius:2px;align-items:center;gap:8px;margin-top:14px;padding:8px 12px;font-size:14px;text-decoration:none;display:inline-flex}.file-preview-download:focus-visible{outline:2px solid var(--color-foreground);outline-offset:3px}.file-preview-status{width:min(1120px,100% - 48px);color:var(--color-muted-foreground);margin:28px auto}.file-preview-docx{justify-items:center;padding:8px 16px 72px;display:grid}.file-preview-docx .docx-wrapper{background:0 0!important;padding:0!important}.file-preview-docx .docx{box-shadow:0 18px 48px #09090b1f;margin:0 auto 28px!important}.file-preview-sheet-wrap{border:1px solid var(--color-border);background:#fff;width:min(1240px,100% - 32px);margin:0 auto 64px;overflow:hidden}.file-preview-sheet-tabs{border-bottom:1px solid var(--color-border);background:#fafafa;gap:0;display:flex;overflow:auto}.file-preview-sheet-tabs button{border:0;border-right:1px solid var(--color-border);min-height:40px;color:var(--color-secondary);background:0 0;padding:0 16px;font-size:13px}.file-preview-sheet-tabs button[aria-selected=true]{color:var(--color-foreground);background:#fff;font-weight:600}.file-preview-sheet{max-height:calc(100vh - 220px);overflow:auto}.file-preview-sheet table{border-collapse:collapse;width:max-content;min-width:100%;font-size:13px}.file-preview-sheet td,.file-preview-sheet th{white-space:nowrap;vertical-align:top;border:1px solid #e4e4e7;padding:8px 10px}.file-preview-sheet tr:first-child td{background:#fafafa;font-weight:600;position:sticky;top:0}@media (width<=640px){.practice-hero,.practice-copy,.practice-clippings,.practice-checks{width:min(100% - 24px,760px)}}.skill-details{border-top:1px solid #e2e3dd;margin-top:18px;padding-top:16px}.skill-details summary{cursor:pointer;color:#0f766e;width:fit-content;font-weight:800}.skill-draft{margin-top:12px}.tool-actions{margin-top:18px}.tool-actions a:first-child{color:#fff;background:#0f766e;border-color:#0f766e}.verified-date{margin-top:10px}.detail-nav{justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);margin:0 auto;padding:22px 0;display:flex}.detail-nav a{color:#fff;background:#0f766e;border-color:#0f766e}.paper-fact-sheet{background:#fff;border:1px solid #d7d8d0;border-radius:8px;padding:24px;box-shadow:0 18px 44px #16192214}.paper-fact-sheet>span,.artifact-title-row span{color:#0f766e;font-size:13px;font-weight:800}.paper-fact-sheet h2{margin:12px 0 22px;font-size:26px;line-height:1.25}.paper-fact-sheet dl{gap:13px;margin:0;display:grid}.paper-fact-sheet dl div{border-top:1px solid #e8e8e1;grid-template-columns:80px 1fr;gap:12px;padding-top:13px;display:grid}.paper-fact-sheet dt{color:#64748b;font-weight:800}.paper-fact-sheet dd{margin:0;line-height:1.65}.artifact-title-row{align-items:flex-start;gap:14px;display:flex}.artifact-title-row h3{margin:5px 0 0;font-size:24px}.paper-reading-list{gap:9px;margin-top:20px;display:grid}.paper-reading-list a{border-top:1px solid #e4e5df;gap:5px;padding:12px 0;display:grid}.paper-reading-list a:hover strong{color:#0f766e}.paper-reading-list span,.artifact-slides li{color:#606977;line-height:1.65}.artifact-slides ol{gap:10px;padding-left:24px;display:grid}.verified-paper-examples button:active{transform:translateY(1px)}.is-spinning{animation:.9s linear infinite researchSpin}@keyframes researchSpin{to{transform:rotate(360deg)}}.verified-paper-examples{grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;display:grid}.verified-paper-examples button{border:1px solid var(--research-border);background:var(--research-surface-soft);min-height:88px;color:var(--research-text);text-align:left;border-radius:8px;align-content:center;gap:6px;padding:14px 16px;display:grid}.verified-paper-examples button:hover{border-color:var(--research-accent);background:var(--research-accent-soft)}.verified-paper-examples span{color:var(--research-accent);font-size:13px;font-weight:850}.verified-paper-examples strong{line-height:1.45}.interactive-html-scene{position:relative}.site-footer{color:#606977;border-top:1px solid #d7d8d0;justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);margin:0 auto;padding:28px 0 38px;display:flex}.site-footer a{color:#0f766e;font-weight:800}.site-footer-links{align-items:center;gap:18px;display:flex}.local-preview-banner{color:#24514b;background:#eef7f4;border:1px solid #cde4df;border-radius:14px;justify-content:space-between;align-items:center;gap:16px;width:min(1180px,100% - 40px);margin:14px auto 0;padding:12px 16px;display:flex}.local-preview-banner p{margin:0;font-size:14px;line-height:1.5}.local-preview-banner-links{flex-wrap:wrap;gap:16px;display:flex}.local-preview-banner a,.local-preview-list a em{color:#0f766e;align-items:center;gap:6px;font-weight:800;text-decoration:none;display:inline-flex}.local-preview-page .practice-kicker{align-items:center;gap:6px;display:inline-flex}.local-preview-group h2{margin:0 0 8px;font-size:22px}.local-preview-group>p{margin:0 0 16px}.local-preview-list,.local-preview-notes{gap:10px;margin:0;padding:0;list-style:none;display:grid}.local-preview-list a,.local-preview-notes li{color:inherit;background:#fff;border:1px solid #e2e3dd;border-radius:14px;gap:6px;padding:14px 16px;text-decoration:none;display:grid}.local-preview-list a:hover,.local-preview-list a:focus-visible{border-color:#9ad0c6;box-shadow:0 0 0 3px #0f766e1f}.local-preview-list strong,.local-preview-notes strong{font-size:16px;line-height:1.35}.local-preview-list span,.local-preview-notes span{color:#3d4553;font-size:14px;line-height:1.55}.local-preview-list small{color:#66707c;font-size:12px;line-height:1.45}.site-home{background:var(--color-background);color:var(--color-foreground);font-family:var(--font-body)}.ppt-fan{flex-direction:column;justify-content:center;height:100%;display:flex}.ppt-fan-stage{perspective:1400px;height:min(42vh,360px);position:relative;overflow:hidden}.ppt-deck{transform-origin:50%;background:0 0;border:0;width:64%;padding:0;transition:transform .45s cubic-bezier(.2,.7,.2,1);position:absolute;top:0;left:18%}.ppt-deck img{aspect-ratio:16/9;object-fit:cover;background:#fff;border-radius:6px;width:100%;display:block;box-shadow:0 18px 50px #00000073}.ppt-deck span{color:#e4e4e7;letter-spacing:.08em;margin-top:8px;font-size:12px;display:block}.ppt-fan-caption{color:#a1a1aa;letter-spacing:.06em;margin:10px 0 0;font-size:12px}@media (width<=860px){.ppt-fan-stage{height:28vh}}@keyframes openDoor{0%{transform:rotateY(0)}to{transform:rotateY(-62deg)}}@keyframes openDoorRight{0%{transform:rotateY(0)}to{transform:rotateY(62deg)}}@keyframes lightPulse{0%{opacity:.24;transform:scaleX(.35)}to{opacity:.88;transform:scaleX(1)}}@keyframes cursorBlink{0%,45%{opacity:1}46%,to{opacity:0}}@keyframes overlayPulse{0%{transform:scale(1);box-shadow:0 0 14px #67e8f973}to{transform:scale(1.015);box-shadow:0 0 32px #67e8f9d1}}@keyframes cursorClick{0%{transform:scale(.82)}to{transform:scale(1.18)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}@media (prefers-color-scheme:dark){.basics-lesson{--basics-bg:#111713;--basics-surface:#19211d;--basics-ink:#f3f1e9;--basics-muted:#adb7b0;--basics-line:#38423c;--basics-accent:#ff8061;--basics-accent-soft:#3b241d}.basics-topbar{border-color:#ffffff1a}.basics-progress-compact>div{background:#38423c}.familiar-chat p{background:#242d28}.familiar-chat p.is-user{color:#17231e;background:#f3f1e9}.basics-feedback{color:#a9e5c8;background:#173829}.basics-feedback.is-warning{color:#f2c689;background:#3d2c18}.technical-family,.product-family,.technical-map button,.product-chatbot{color:var(--basics-ink);background:#19211df0}.product-parts span{background:#202923}.truth-grid article.is-safe,.agent-comparison>article.is-agent{border-color:#55b88e}.basics-quiz label:has(input:checked){background:#3b241d}.quiz-inline-feedback{color:#f2c689;background:#3d2c18}.quiz-inline-feedback.is-correct{color:#a9e5c8;background:#173829}.quiz-result{background:#202923}.quiz-result.is-passed{background:#173829}}@media (width<=980px){.basics-hero,.foundation-feature-card,.familiar-demo,.relation-lab,.basics-sources{grid-template-columns:1fr}.basics-hero-lab{min-height:auto}.basics-layout,.knowledge-note:not(.is-board) .basics-layout{grid-template-columns:1fr}.basics-scene-nav{border-bottom:1px solid var(--basics-line);grid-template-columns:repeat(3,1fr);display:grid;position:static}.basics-scene-nav>p,.basics-side-note{grid-column:1/-1}.basics-scene-nav>button{border-right:1px solid var(--basics-line);padding:12px}.basics-side-note{margin-bottom:18px}.familiar-chat{border-right:0;border-bottom:1px solid var(--basics-line)}.foundation-roadmap{grid-template-columns:repeat(2,1fr)}.foundation-roadmap>div,.foundation-roadmap>a{border-bottom:1px solid #d7d8d0}.knowledge-notes-grid{grid-template-columns:1fr}.knowledge-notes-grid>a{border-bottom:1px solid #d7d8d0;border-right:0}.knowledge-notes-grid>a:nth-child(n+4){border-top:0}.knowledge-notes-grid>a:last-child{border-bottom:0}.knowledge-related{grid-template-columns:1fr;margin-left:0}.knowledge-stack{margin-left:0}.tool-card,.industry-card,.concept-card{min-height:auto}}@media (width<=720px){.basics-topbar{grid-template-columns:1fr auto}.basics-topbar-title{display:none}.basics-progress-compact>div{width:54px}.basics-hero,.basics-layout{width:min(100% - 28px,1240px)}.basics-hero{gap:34px;padding-block:46px 60px}.basics-hero h1{letter-spacing:-.045em;font-size:clamp(42px,13vw,54px)}.knowledge-note.basics-evidence-studio .basics-hero h1{font-size:32px}.knowledge-note .basics-scene-heading h2{font-size:24px}.basics-hero-lab{padding:22px}.basics-scene-nav{grid-template-columns:repeat(2,1fr)}.basics-scene{padding:54px 0}.basics-scene-heading{grid-template-columns:1fr;gap:8px}.basics-scene-heading>span{padding:0}.basics-scene-intro,.basics-prose,.basics-component-label,.familiar-demo,.relation-lab,.token-lab,.family-source-grid,.cwa-change-set,.cwa-old-draft,.cwa-workflow-track,.cwa-workflow-outputs,.cwa-agent-loop,.cwa-agent-rebuild,.cwa-boundary-note,.cwa-risk-line,.pc-six-parts,.pc-paste-brief,.pc-two-levers{margin-left:0}.cwa-workflow-outputs,.cwa-agent-rebuild-grid{grid-template-columns:1fr}.cwa-agent-rebuild-grid article+article{border-left:0;border-top:1px solid var(--basics-line)}.pc-two-levers{grid-template-columns:1fr}.pc-two-levers article+article{border-left:0;border-top:1px solid var(--basics-line)}.basics-prose{font-size:16px;line-height:1.82}.relation-groups{grid-template-columns:1fr}.sample-controls{grid-template-columns:minmax(112px,1fr) 42px 42px}.sample-progress{grid-column:1/3}.sample-time{grid-column:3;justify-self:end}.layer-explanation{min-height:auto}.token-choices,.token-worked-options,.truth-grid,.agent-comparison,.agent-comparison.is-three-way{grid-template-columns:1fr}.knowledge-note:not(.is-board) .knowledge-figure:not(.is-compact),.knowledge-note:not(.is-board) .knowledge-scratch{max-width:100%;margin-left:0}.cwa-agent-loop{grid-template-columns:repeat(2,minmax(0,1fr))}.cwa-agent-loop>div:nth-child(2){border-right:0}.cwa-agent-loop>div:nth-child(-n+2){border-bottom:1px solid var(--basics-line)}.cwa-risk-line{flex-direction:column;align-items:stretch;gap:8px}.cwa-risk-line>svg{margin-left:3px;transform:rotate(90deg)}.truth-grid p,.agent-comparison>article{min-height:auto}.basics-quiz fieldset{padding:16px 12px}.basics-quiz legend{align-items:flex-start;font-size:16px;line-height:1.45}.quiz-result>div:first-child{grid-template-columns:1fr}.foundation-feature-card{padding:18px}.foundation-feature-visual{min-height:230px}.hero-copy h1{font-size:42px}.page-section{padding:64px 0}.article-scene,.tool-card,.industry-card,.concept-card{padding:16px}.replay-heading{grid-template-columns:1fr}.paper-fact-sheet dl div{grid-template-columns:1fr;gap:4px}.verified-paper-examples{grid-template-columns:1fr}}@media (width<=430px){.foundation-roadmap{grid-template-columns:1fr}.foundation-roadmap>div,.foundation-roadmap>a{border-right:0;min-height:108px}.knowledge-notes-grid>a{min-height:132px}.basics-primary-action{justify-content:center;width:100%}.basics-mini-chat{margin-top:8px;padding:16px}.basics-hero-stack{grid-template-columns:repeat(2,1fr);gap:8px;margin:18px 0}.basics-hero-stack span{border:1px solid #ffffff24;padding:9px}.basics-scene-nav>button:nth-of-type(2n){border-right:0}.relation-label,.source-check-heading,.sample-header{flex-direction:column;align-items:flex-start}.sample-stage{min-height:300px;padding:20px 16px}.sample-relations{grid-template-columns:1fr}.sample-technical,.sample-product{min-height:auto}.sample-conclusion{font-size:13px}.sample-subtitle{min-height:108px;padding:14px 16px}.sample-controls{padding:12px 16px}.sample-token-options span{padding:9px 6px;font-size:13px}.technical-map button{width:100%;margin-left:0;padding:10px}.product-parts,.token-choice-feedback{grid-template-columns:1fr}.token-choice-feedback button,.source-check-heading a{justify-content:center;width:100%}.token-lab{padding:24px 18px}.quiz-result-actions{grid-template-columns:1fr;display:grid}.quiz-result-actions a,.quiz-result-actions button{text-align:center;width:100%}.hero-actions,.tool-actions{grid-template-columns:1fr;display:grid}.hero-actions a,.tool-actions a{width:100%}.interactive-html-scene,.interactive-html-scene iframe{min-height:560px}}.tool-task-preview{background:#f7faf8;border:1px solid #d7ddd8;border-radius:8px;gap:10px;margin-top:14px;padding:12px;display:grid}.tool-card .tool-task-prompt{color:#fff;background:#17231e;border-radius:10px 10px 2px;width:fit-content;max-width:88%;margin:0 0 0 auto;padding:10px 12px;font-size:13px;line-height:1.55}.tool-task-prompt span{color:#9ee0c7;margin-bottom:4px;font-size:10px;font-weight:800;display:block}.tool-task-steps,.tool-task-artifacts{gap:5px;display:grid}.tool-task-steps span,.tool-task-artifacts span{color:#55615b;align-items:flex-start;gap:6px;font-size:11px;line-height:1.45;display:flex}.tool-task-steps svg{color:#16805b}.tool-task-artifacts{border-top:1px solid #dde2de;padding-top:8px}.tool-task-artifacts svg{color:#0f766e}.basics-lesson,.practice-page{--basics-bg:var(--color-background);--basics-surface:var(--color-card);--basics-ink:var(--color-foreground);--basics-muted:var(--color-secondary);--basics-line:var(--color-border);--basics-accent:var(--color-accent);--basics-accent-soft:var(--color-accent-soft);--wb-guide-bg:var(--color-background);--wb-guide-surface:var(--color-card);--wb-guide-ink:var(--color-foreground);--wb-guide-muted:var(--color-secondary);--wb-guide-line:var(--color-border);--wb-guide-accent:var(--color-accent);--wb-guide-accent-soft:var(--color-accent-soft);--wb-home-ink:var(--color-foreground);--wb-home-muted:var(--color-secondary);--wb-home-line:var(--color-border);--wb-home-accent:var(--color-accent);--hr-page:var(--color-background);--hr-paper:var(--color-card);--hr-ink:var(--color-foreground);--hr-muted:var(--color-secondary);--hr-line:var(--color-border);--hr-green:var(--color-accent);--hr-green-soft:var(--color-accent-soft);--hr-coral:var(--color-accent);--obs-paper-ink:var(--color-foreground);--obs-paper-muted:var(--color-secondary);--obs-paper-line:var(--color-border);--obs-paper-surface:var(--color-card);--obs-paper-soft:var(--color-accent-soft);--obs-paper-violet:var(--color-accent);--obs-paper-violet-soft:var(--color-accent-soft);--obs-paper-green:var(--color-accent);--task-bg:var(--color-background);--task-surface:var(--color-card);--task-ink:var(--color-foreground);--task-muted:var(--color-secondary);--task-line:var(--color-border);--task-accent:var(--color-accent);--task-accent-soft:var(--color-accent-soft);color:var(--color-secondary);font-family:var(--font-body);background:var(--color-background)!important}.basics-topbar{border-bottom:1px solid var(--color-border);min-height:64px;color:var(--color-foreground);background:var(--color-card)!important}.basics-topbar>button{min-height:44px;color:var(--color-foreground);font-weight:500}.basics-topbar-title{color:var(--color-secondary);letter-spacing:.08em;font-size:13px;font-weight:500}.basics-kicker,.practice-kicker{letter-spacing:var(--kicker-letter-spacing);font-size:12px;color:var(--color-accent)!important;font-weight:500!important}.basics-hero h1,.practice-hero h1{color:var(--color-foreground);font-family:var(--font-heading);font-weight:var(--heading-weight);letter-spacing:var(--heading-letter-spacing)}.basics-lead,.practice-hero p{font-size:18px;line-height:1.65;color:var(--color-secondary)!important}.basics-primary-action,.practice-page .pack-job-ready a{min-height:48px;transition:opacity .2s,transform .2s;border:1px solid var(--color-primary)!important;border-radius:var(--radius-button)!important;background:var(--color-primary)!important;color:var(--color-on-primary)!important;padding:12px 24px!important;font-weight:600!important}.basics-primary-action:hover{opacity:.9;transform:translateY(-1px)}.basics-hero-lab{border-radius:var(--radius-card);background:var(--color-primary);color:var(--color-on-primary);box-shadow:var(--shadow-md)}.practice-page .pack-job{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:24px}.pack-job-ready{border-color:var(--color-border)!important}.pack-job-status,.pack-job-ready .pack-job-status{color:var(--color-secondary)!important;font-weight:500!important}.basics-lesson h1,.basics-lesson h2,.basics-lesson h3,.practice-page h1,.practice-page h2,.practice-page h3{color:var(--color-foreground)}@media (prefers-reduced-motion:reduce){.basics-primary-action{transition:none}}.knowledge-note.basics-course-studio .basics-kicker{display:block}.knowledge-note.basics-course-studio .basics-scenes{width:auto;margin-left:0}.knowledge-note.basics-course-studio .basics-hero h1,.knowledge-note.basics-course-studio .basics-scene-heading h2{text-wrap:balance}.knowledge-note:not(.is-board).basics-course-studio .basics-hero{grid-template-columns:180px minmax(0,960px);justify-content:center;gap:30px;display:grid}.knowledge-note:not(.is-board).basics-course-studio .basics-hero-copy{grid-column:2;width:auto;margin-left:0}.knowledge-note:not(.is-board).basics-course-studio .basics-scene-nav{order:0;display:block;position:sticky;top:86px}.concept-title-keep{white-space:nowrap}.pc-lesson .cup-pricing-formula .token-sentence{margin:0;font-size:17px;line-height:1.85}.pc-lesson .cup-pricing-formula .token-sentence code{font:inherit;white-space:normal;overflow-wrap:normal}.pc-lesson .cup-pricing-formula .token-sentence code>span{vertical-align:top;max-width:100%;display:inline-block}.pc-lesson .cup-pricing-formula .cup-formula-term{white-space:nowrap;display:inline-block}@media (width>=721px) and (width<=1180px){.knowledge-note:not(.is-board).basics-course-studio .basics-layout,.knowledge-note:not(.is-board).basics-course-studio .basics-hero{grid-template-columns:160px minmax(0,1fr);gap:24px}.knowledge-note:not(.is-board).basics-course-studio .basics-scene-nav>button{border-right:0}}@media (width<=720px){.knowledge-note:not(.is-board).basics-course-studio .basics-hero{padding:24px 0;display:block}.knowledge-note:not(.is-board).basics-course-studio .basics-layout{flex-direction:column;gap:24px;display:flex}.knowledge-note:not(.is-board).basics-course-studio .basics-scene-nav{z-index:10;background:var(--basics-bg);border-top:1px solid var(--basics-line);flex-wrap:nowrap;width:100%;min-width:0;margin:0;padding:0;display:flex;position:sticky;top:64px;overflow-x:auto}.knowledge-note:not(.is-board).basics-course-studio .basics-scene-nav>p{display:none}.knowledge-note:not(.is-board).basics-course-studio .basics-scene-nav>button{border-top:0;border-bottom:0;border-right:1px solid var(--basics-line);flex:none;grid-template-columns:minmax(0,1fr);align-items:center;width:auto;min-height:48px;padding:8px 12px}.knowledge-note:not(.is-board).basics-course-studio .basics-scene-nav>button span{white-space:nowrap;align-items:center;gap:6px;display:flex}.knowledge-note:not(.is-board).basics-course-studio .basics-scenes{width:100%}.pc-lesson .cup-pricing-formula .token-sentence{font-size:16px}}
