.rp{--rp-margin:44px;--rp-lh:32px;--rp-on-accent:#fff}:root[data-theme=dark] .rp{--rp-on-accent:#1c1a17}.rp__grid{grid-template:"intro sheet""explain sheet"1fr/minmax(0,5fr) minmax(0,7fr);align-items:start;gap:36px 72px;max-width:1200px;margin:0 auto;display:grid}.rp__intro{grid-area:intro}.rp__paper{grid-area:sheet;position:relative}.rp__explain{grid-area:explain}.rp__lead{max-width:30em;color:var(--ink-muted);margin:20px 0 0;font-size:17px;line-height:1.6}.rp__actions{margin-top:30px;display:flex}.rp__pen{transform-origin:20% 85%}@media (hover:hover) and (prefers-reduced-motion:no-preference){.rp__go:hover .rp__pen,.rp__go:focus-visible .rp__pen{animation:rp-scribble .64s var(--ease-in-out) infinite}}@keyframes rp-scribble{0%,to{transform:translate(0)rotate(0)}25%{transform:translate(1.5px,-1px)rotate(7deg)}50%{transform:translate(-1px,.5px)rotate(-5deg)}75%{transform:translate(1px,-.5px)rotate(5deg)}}.rp__sheet{border:1px solid var(--line-soft);border-radius:var(--r-md);background-color:var(--surface);background-image:linear-gradient(to right, transparent calc(var(--rp-margin) - 1px), var(--accent-soft) calc(var(--rp-margin) - 1px), var(--accent-soft) var(--rp-margin), transparent var(--rp-margin));box-shadow:var(--shadow-md);padding:30px 32px 30px 64px;position:relative}.rp__back{border:1px solid var(--line-soft);border-radius:var(--r-md);background:var(--surface-sunken);box-shadow:var(--shadow-xs);position:absolute;inset:0;transform:translate(7px,9px)rotate(1.1deg)}.rp__label{color:var(--ink-muted);align-items:center;gap:8px;margin:0 0 8px;font-size:14px;font-weight:600;line-height:1.4;display:flex}.rp__ai-icon{color:var(--accent);display:inline-flex}.rp__ai-icon .icon{width:16px;height:16px}.rp__q{border-bottom:1px dashed var(--line);margin-bottom:22px;padding-bottom:22px}.rp__question{color:var(--ink);font-family:var(--font-display);letter-spacing:-.016em;margin:0;font-size:1.38rem;font-weight:500;line-height:1.28}.rp__lined{background-image:repeating-linear-gradient(to bottom, transparent 0, transparent calc(var(--rp-lh) - 1px), var(--line-soft) calc(var(--rp-lh) - 1px), var(--line-soft) var(--rp-lh))}.rp__answer,.rp__source{line-height:var(--rp-lh);margin:0}.rp__answer{color:var(--ink-soft);font-size:17px}.rp__source{color:var(--ink-muted);font-size:15px}.rp__flag{transition:background-color var(--t-slow) ease .5s;border-radius:4px}.rp__flag:not(.rp__flag--source){white-space:nowrap}.rp[data-reviewed] .rp__flag{background-color:var(--accent-wash)}.rp__marks{z-index:2;pointer-events:none;position:absolute;top:0;left:0;overflow:visible}.rp__stroke{fill:none;stroke:var(--accent);stroke-width:2.6px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1px;animation:rp-draw .62s var(--ease-out) both}@keyframes rp-draw{0%{stroke-dashoffset:1px;opacity:0}4%{opacity:1}to{stroke-dashoffset:0;opacity:1}}.rp__badge,.rp__list li:before{background:var(--accent);width:22px;height:22px;color:var(--rp-on-accent);border-radius:50%;justify-content:center;align-items:center;font-size:12.5px;font-weight:700;line-height:1;display:inline-flex}.rp__badge{z-index:3;animation:rp-pop .28s var(--ease-out) both;pointer-events:none;position:absolute;transform:translate(-50%,-50%)}@keyframes rp-pop{0%{transform:translate(-50%,-50%)scale(0)}70%{transform:translate(-50%,-50%)scale(1.15)}to{transform:translate(-50%,-50%)scale(1)}}.rp__note{animation:rp-rise .46s var(--ease-out) .9s both}@keyframes rp-rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.rp__note-title{margin:0 0 16px}.rp__list{counter-reset:rp;flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.rp__list li{color:var(--ink-soft);counter-increment:rp;grid-template-columns:22px minmax(0,1fr);column-gap:14px;font-size:16px;line-height:1.6;display:grid}.rp__list li:before{content:counter(rp);margin-top:2px}.rp__closing{border-top:1.5px solid var(--accent);color:var(--ink-muted);margin:22px 0 0;padding-top:18px;font-size:16px;line-height:1.6}.rp__closing strong{color:var(--ink);font-family:var(--font-display);letter-spacing:-.01em;font-size:1.15rem;font-weight:600}.rp__sr{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:1000px){.rp__grid{grid-template:"intro""sheet""explain"/minmax(0,1fr);row-gap:32px}.rp__back{transform:translate(5px,7px)rotate(.9deg)}}@media (max-width:760px){.rp{--rp-margin:26px;--rp-lh:30px}.rp__sheet{padding:22px 16px 22px 40px}.rp__answer{font-size:16px}.rp__source{font-size:14px}.rp__question{font-size:1.2rem}.rp__badge,.rp__list li:before{width:20px;height:20px;font-size:12px}.rp__list li{grid-template-columns:20px minmax(0,1fr);column-gap:12px}}