.exam-page{padding-bottom:64px}.exam-page [hidden]{display:none!important}.exam-page :is(h2,h3,h4,article,section,nav){scroll-margin-top:100px}.exam-heading{max-width:880px;padding:28px 0 40px}.exam-eyebrow{margin:0 0 12px;font-size:.78rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--rp-text-muted)}.exam-heading h1{margin:0;font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.15;letter-spacing:-.035em}.exam-lead{margin:18px 0;font-size:1.15rem;line-height:1.6}.exam-subtext{margin:-8px 0 20px;font-size:.95rem;line-height:1.6;color:var(--rp-text-muted)}.exam-subtext a{color:var(--rp-ink);text-decoration:underline;text-underline-offset:3px}.exam-meta{display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--rp-text-muted);font-size:.85rem}.exam-draft{margin:20px 0;padding:12px 16px;border-left:3px solid var(--rp-yellow-deep);background:var(--rp-yellow-soft);font-size:.9rem;line-height:1.6}.exam-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.exam-actions .rp-button{gap:16px}.exam-button{min-height:44px;border:1px solid var(--rp-border-strong);border-radius:var(--rp-radius-sm);padding:10px 16px;background:var(--rp-surface);font:inherit;font-weight:600;cursor:pointer}.exam-button:hover{background:var(--rp-surface-muted)}.exam-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:clamp(28px,5vw,64px);align-items:start;border-top:1px solid var(--rp-border-strong)}.exam-sidebar{position:sticky;top:100px;padding:28px 0;max-height:calc(100dvh - 115px);overflow-y:auto}.exam-nav-title{margin:0 0 20px;font-size:.85rem;font-weight:700}.exam-nav-part+.exam-nav-part{margin-top:20px}.exam-nav-part-title{display:inline-block;padding:8px 0;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.exam-nav ol{list-style:none;margin:0;padding:0}.exam-nav li a{display:block;padding:10px 8px;border-radius:6px;font-size:.83rem;line-height:1.45;text-decoration:none}.exam-nav li a:hover{background:var(--rp-yellow-tint)}.exam-part-heading{margin:38px 0 30px;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 18px}.exam-part-heading h2{margin:0;font-size:1.55rem;letter-spacing:-.025em}.exam-part-heading p{margin:0;color:var(--rp-text-muted);font-size:.8rem}.exam-question{margin-bottom:44px;padding:0 0 36px;border-bottom:1px solid var(--rp-border-strong)}.exam-question-heading h3{font-size:clamp(1.25rem,2.5vw,1.6rem);letter-spacing:-.025em;line-height:1.3;margin:0 0 20px}.exam-prose,.exam-prompt,.exam-hint,.exam-check{font-size:1rem;line-height:1.85}.exam-prose p{margin:0 0 18px}.exam-prose p:last-child{margin-bottom:0}.exam-answer{margin-top:32px}.exam-subquestion{margin-top:24px}.exam-subquestion>h4,.exam-answer>h4{margin:0 0 8px;font-size:1rem;font-weight:750}.exam-subquestion>.exam-prose{margin-bottom:18px}.exam-prompt{margin-bottom:14px;font-weight:600}.exam-prompt p{margin:0 0 12px}.exam-prompt p:last-child{margin-bottom:0}.exam-prompt .katex{font-weight:400}.exam-page summary{cursor:pointer}.exam-hint{margin:12px 0;border:1px solid var(--rp-border-strong);border-radius:var(--rp-radius);background:var(--rp-yellow-tint)}.exam-hint summary{display:flex;align-items:center;gap:10px;min-height:52px;padding:12px 18px;font-size:.9rem;font-weight:600;list-style:none}.exam-hint summary::-webkit-details-marker{display:none}.exam-hint-bulb{flex-shrink:0;color:#8a6500}.exam-hint-chevron{margin-left:auto;flex-shrink:0;color:var(--rp-text-muted)}.exam-hint[open] .exam-hint-chevron{transform:rotate(90deg)}.exam-hint>div{padding:0 18px 18px}.exam-worked{background:var(--rp-surface);border:1px solid var(--rp-border-strong);border-radius:var(--rp-radius)}.exam-worked>summary{padding:16px 22px;font-size:.9rem;font-weight:700}.exam-worked>summary span{float:right;font-weight:400;font-size:.75rem;color:var(--rp-text-muted)}.exam-worked[open]>summary{border-bottom:1px solid var(--rp-border)}.exam-worked-content{padding:22px}.exam-check{margin:22px 0 0;padding:14px 16px;border-left:3px solid var(--rp-yellow-deep);background:var(--rp-yellow-soft);font-size:.9rem}.exam-check>strong{display:block;margin-bottom:4px}.exam-page .katex-display{margin:1.25em 0;overflow-x:auto;overflow-y:hidden;padding:4px 0 4px clamp(12px,2vw,28px);text-align:left}.exam-page .katex-display>.katex{text-align:left}.exam-page .katex-display>.katex>.katex-html:has(>.tag){min-width:100%;width:-moz-max-content;width:max-content;padding-right:3em}.exam-page .katex{font-size:1.08em}.exam-code{margin:22px 0;min-width:0;border:1px solid var(--rp-border);border-radius:8px;overflow-x:auto;background:#fff}.exam-code pre{margin:0;padding:0;overflow:visible!important;font-size:.82rem;line-height:1.8}.exam-code-layout{padding:16px;min-width:-moz-max-content;min-width:max-content}.exam-code code{display:grid;padding-left:2.5em}.exam-code .line{position:relative;display:block;min-height:1.8em;padding:0 8px;border:1px solid transparent;border-top-width:0;border-bottom-width:0}.exam-code .line:before{content:attr(data-line);position:absolute;right:calc(100% + 10px);width:2em;color:#667085;text-align:right;-webkit-user-select:none;-moz-user-select:none;user-select:none}.exam-code-annotated{display:grid;grid-template-columns:max-content minmax(230px,1fr);grid-template-rows:repeat(var(--code-lines),minmax(1.5rem,auto));-moz-column-gap:20px;column-gap:20px}.exam-code-annotated pre{grid-column:1;grid-row:1 / -1;display:grid;grid-template-rows:subgrid}.exam-code-annotated code{grid-row:1 / -1;grid-template-rows:subgrid}.exam-code .exam-code-marked{border-color:var(--annotation-color)}.exam-code .exam-code-marked-start{border-top-width:1px;border-radius:4px 4px 0 0}.exam-code .exam-code-marked-end{border-bottom-width:1px;border-radius:0 0 4px 4px}.exam-code .exam-code-marked-start.exam-code-marked-end{border-radius:4px}.exam-code-note{grid-column:2;align-self:center;padding:2px 0;color:var(--annotation-color);font-size:.82rem;line-height:1.5;max-width:290px}.exam-code-note p{margin:0}.exam-code-note p+p{margin-top:8px}.exam-table-scroll{overflow-x:auto;margin:22px 0}.exam-page table{border-collapse:collapse;width:100%;font-size:.85rem;line-height:1.6;font-variant-numeric:tabular-nums}.exam-page caption{text-align:left;color:var(--rp-text-muted);margin-bottom:10px;font-size:.8rem}.exam-page th,.exam-page td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--rp-border)}.exam-page th{background:var(--rp-surface-muted);font-weight:650}.exam-related{display:inline-block;margin-top:20px;padding:8px 0;font-size:.85rem;text-underline-offset:4px}.exam-next{padding:28px;margin-top:44px;border-radius:var(--rp-radius);background:var(--rp-yellow-soft);border:1px solid var(--rp-border-strong)}.exam-next h2{font-size:1.5rem;line-height:1.3;margin:0 0 12px;letter-spacing:-.025em}.exam-next>p:not(.exam-eyebrow){line-height:1.7;margin:0 0 20px}.exam-archive-link{display:block;width:-moz-fit-content;width:fit-content;margin-top:20px;font-size:.85rem;text-underline-offset:4px}.exam-page :is(a,button,summary,[tabindex]):focus-visible{outline:3px solid #206b6a;outline-offset:4px}.exam-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:820px){.exam-layout{grid-template-columns:minmax(0,1fr);gap:0}.exam-sidebar{position:static;max-height:none;padding:20px 0;border-bottom:1px solid var(--rp-border)}.exam-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.exam-nav-title{grid-column:1 / -1;margin-bottom:8px}.exam-nav-part+.exam-nav-part{margin-top:0}.exam-heading{padding-top:16px;padding-bottom:28px}}@media(max-width:480px){.exam-page.shell{width:calc(100% - 32px)}.exam-lead{font-size:1rem}.exam-meta{font-size:.78rem;gap:6px 14px}.exam-nav li a{font-size:.77rem;padding:8px 2px}.exam-worked>summary{padding:16px}.exam-worked-content{padding:16px}.exam-prose,.exam-prompt{font-size:.95rem}.exam-next{padding:22px}.exam-page th,.exam-page td{padding:8px}}@media print{.exam-page :is(a,button,summary,[tabindex]):focus-visible{outline:none}@page{size:A4;margin:17mm}body:has(.exam-page){background:#fff;color:#000}body:has(.exam-page) :is(.rp-site-header,.rp-footer,.rp-breadcrumbs,.skip-link){display:none!important}.exam-page.shell{width:auto;max-width:none;margin:0;padding:0}.exam-layout{display:block;border:0}.exam-heading{padding:0 0 16pt}.exam-heading h1{font-size:24pt}.exam-lead{font-size:11pt;margin:10pt 0}.exam-meta,.exam-draft{font-size:9pt}.exam-sidebar,.exam-subtext,.exam-actions,.exam-hint,.exam-next,.exam-related{display:none!important}.exam-part-heading{margin:20pt 0 12pt}.exam-part+.exam-part{-moz-column-break-before:page;break-before:page}.exam-question{margin-bottom:22pt;padding-bottom:18pt}.exam-question-heading h3{font-size:15pt;margin-bottom:10pt}.exam-question-heading,.exam-subquestion>h4,.exam-answer>h4,.exam-prompt,.exam-part-heading{-moz-column-break-after:avoid;break-after:avoid}.exam-worked{border:0;border-radius:0}.exam-worked>summary{border:0!important;padding:8pt 0;font-size:10pt}.exam-worked>summary span{display:none}.exam-worked-content{padding:0}.exam-prose,.exam-prompt,.exam-check{font-size:10pt;line-height:1.65}.exam-prose p{margin-bottom:10pt;orphans:3;widows:3}.exam-check{-moz-column-break-inside:avoid;break-inside:avoid;margin-top:10pt;padding:8pt 10pt}.exam-page .katex-display{overflow:visible;font-size:.93em;-moz-column-break-inside:avoid;break-inside:avoid}.exam-code{-moz-column-break-inside:avoid;break-inside:avoid;overflow:visible}.exam-code-layout{min-width:0}.exam-code pre{overflow:visible;white-space:pre-wrap;overflow-wrap:anywhere;font-size:8pt}.exam-code-annotated{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);-moz-column-gap:12pt;column-gap:12pt}.exam-code-note{font-size:8pt}.exam-table-scroll{overflow:visible}.exam-page table{font-size:9pt}.exam-page tr,.exam-page figure{-moz-column-break-inside:avoid;break-inside:avoid}.exam-page figure{max-width:360px}.exam-page .exam-screenshot:has(svg){max-width:100%}.exam-page .exam-screenshot span{display:none}.exam-page summary{list-style:none}.exam-page summary::-webkit-details-marker{display:none}.exam-page a{color:inherit}}.exam-screenshot{margin:24px 0;max-width:620px}.exam-screenshot :is(svg,img){display:block;max-width:100%;height:auto;border:1px solid var(--rp-border);background:#fff}.exam-worked-content>.exam-prose+.exam-prose{margin-top:18px}