.flow-root .pp-page{padding-top:var(--f-s-6);padding-bottom:var(--f-s-8)}.flow-root .pp-head{gap:var(--f-s-3);margin-bottom:var(--f-s-6);display:grid}.flow-root .pp-head--figure{align-items:center;gap:var(--f-s-5);grid-template-columns:1fr}.flow-root .pp-head-copy{gap:var(--f-s-3);min-width:0;display:grid}@media (min-width:900px){.flow-root .pp-page{padding-top:var(--f-s-7)}.flow-root .pp-head--figure{gap:var(--f-s-7);grid-template-columns:minmax(0,7fr) minmax(0,5fr)}.flow-root .pp-head--ladder{grid-template-columns:minmax(0,6fr) minmax(0,6fr)}}.flow-root .pp-kicker{font-family:var(--f-sans);color:var(--f-text-2);font-size:13px;font-weight:500;line-height:18px}.flow-root .pp-label{font-family:var(--f-sans);color:var(--f-text-2);margin:0;padding:0;font-size:13px;font-weight:500;line-height:18px}.flow-root .pp-small-link{font-family:var(--f-sans);color:var(--f-text-2);font-size:14px}.flow-root .pp-small-link:hover{color:var(--f-ink)}.flow-root .pp-key-letter{border:1px solid var(--f-rule-2);border-radius:var(--f-r-sm);min-width:20px;height:20px;font-family:var(--f-sans);color:var(--f-ink);vertical-align:1px;place-items:center;margin-right:6px;padding:0 5px;font-size:12px;font-weight:500;line-height:1;display:inline-grid}.flow-root .pp-empty{gap:var(--f-s-3);max-width:34em;margin:var(--f-s-8) auto;padding:0 var(--f-gutter);display:grid}.flow-root .pp-empty--inline{margin:0 0 var(--f-s-6);padding:0}.flow-root .pp-notice{margin-top:var(--f-s-4);font-family:var(--f-sans);color:var(--f-amber);font-size:14px}.flow-root .pp-loading,.flow-root .pp-runner-wait{place-items:center;min-height:40vh;display:grid}.flow-root .pp-loading-line{background:var(--f-ink);transform-origin:0;width:min(220px,60vw);height:1px;animation:pp-load 1.4s var(--f-ease-draw) infinite;display:block}@keyframes pp-load{0%{opacity:1;transform:scaleX(0)}70%{opacity:1;transform:scaleX(1)}to{opacity:0;transform:scaleX(1)}}.flow-root .pp-resume{gap:2px var(--f-s-4);margin-bottom:var(--f-s-6);padding:var(--f-s-4);border:1px solid var(--f-rule-2);border-left:3px solid var(--f-ink);border-radius:var(--f-r);color:var(--f-text);grid-template-columns:1fr auto;align-items:center;text-decoration:none;display:grid}.flow-root .pp-resume:hover{border-color:var(--f-ink)}.flow-root .pp-resume .pp-label{grid-column:1}.flow-root .pp-resume-title{font-size:var(--f-h3-size);line-height:var(--f-h3-line);color:var(--f-ink);grid-column:1}.flow-root .pp-resume-meta{font-size:var(--f-small-size);color:var(--f-text-2);grid-column:1}.flow-root .pp-resume-go{font-family:var(--f-sans);color:var(--f-ink);grid-area:1/2/span 3;align-items:center;gap:6px;font-size:15px;font-weight:500;display:inline-flex}.flow-root .pp-settings{gap:var(--f-s-5);padding-bottom:var(--f-s-6);margin-bottom:var(--f-s-6);border-bottom:1px solid var(--f-rule);display:grid}@media (min-width:760px){.flow-root .pp-settings{gap:var(--f-s-6);grid-template-columns:1fr 1fr}}.flow-root .pp-seg{border:0;min-width:0;margin:0;padding:0}.flow-root .pp-seg .pp-label{margin-bottom:var(--f-s-2)}.flow-root .pp-seg-row{border:1px solid var(--f-rule-2);border-radius:var(--f-r);grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.flow-root .pp-seg-option{text-align:left;min-height:64px;color:var(--f-text-2);cursor:pointer;transition:background var(--f-dur-micro) var(--f-ease-ui), color var(--f-dur-micro) var(--f-ease-ui);background:0 0;border:0;align-content:start;gap:2px;padding:12px 14px;display:grid}.flow-root .pp-seg-option+.pp-seg-option{border-left:1px solid var(--f-rule-2)}.flow-root .pp-seg-option:hover{color:var(--f-text)}.flow-root .pp-seg-option[aria-checked=true]{background:var(--f-ink);color:#000}.flow-root .pp-seg-name{font-family:var(--f-sans);font-size:15px;font-weight:500;line-height:20px}.flow-root .pp-seg-hint{opacity:.8;font-size:14px;line-height:19px}.flow-root .pp-hub-grid{gap:var(--f-s-6);display:grid}@media (min-width:900px){.flow-root .pp-hub-grid{gap:var(--f-s-7);grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}.flow-root .pp-hub-col{gap:var(--f-s-6);align-content:start;min-width:0;display:grid}.flow-root .pp-block{gap:var(--f-s-3);min-width:0;display:grid}.flow-root .pp-block-note{max-width:34em}.flow-root .pp-rows{border-top:1px solid var(--f-rule);margin:0;padding:0;list-style:none}.flow-root .pp-rows>li{border-bottom:1px solid var(--f-rule)}.flow-root .pp-row{align-items:center;gap:var(--f-s-3);min-height:56px;color:var(--f-text);grid-template-columns:auto minmax(0,1fr) auto auto;padding:12px 2px;text-decoration:none;display:grid}.flow-root .pp-row>.pp-row-text:first-child{grid-column:1/span 2}.flow-root a.pp-row:hover .pp-row-title{color:var(--f-ink)}.flow-root a.pp-row .f-glyph{color:var(--f-text-3);transition:transform var(--f-dur-micro) var(--f-ease-ui), color var(--f-dur-micro) var(--f-ease-ui)}.flow-root a.pp-row:hover .f-glyph{color:var(--f-ink);transform:translate(2px)}.flow-root .pp-row.is-disabled{color:var(--f-text-3);grid-template-columns:auto minmax(0,1fr) auto}.flow-root .pp-row.is-disabled .pp-row-title{color:var(--f-text-3)}.flow-root .pp-row-code{min-width:38px;font-family:var(--f-sans);color:var(--f-text-3);font-variant-numeric:tabular-nums;font-size:13px;font-weight:500}.flow-root .pp-row-text{gap:2px;min-width:0;display:grid}.flow-root .pp-row-title{font-size:var(--f-body-size);color:var(--f-text);transition:color var(--f-dur-micro) var(--f-ease-ui);line-height:24px}.flow-root .pp-row-sub{color:var(--f-text-2);font-size:14px;line-height:20px}.flow-root .pp-row-meta{font-family:var(--f-sans);color:var(--f-text-2);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:13px}.flow-root .pp-row-bar{width:min(160px,100%);height:5px;margin-top:6px;display:block;position:relative}.flow-root .pp-row-bar:before{content:"";background:var(--f-rule-2);height:1px;position:absolute;top:2px;left:0;right:0}.flow-root .pp-row-bar>span{height:2px;width:calc(var(--f) * 100%);background:var(--f-ink);transform-origin:0;animation:pp-grow .7s var(--f-ease-settle) .12s both;position:absolute;top:1.5px;left:0}.flow-root .pp-row--inline{grid-template-columns:minmax(0,1fr) auto;min-height:44px;padding:8px 0}@keyframes pp-grow{0%{transform:scaleX(0)}to{transform:none}}.flow-root .pp-session{flex-direction:column;min-height:100vh;display:flex}.flow-root .pp-session-bar{z-index:10;background:var(--f-bg);position:sticky;top:0}.flow-root .pp-session-bar-inner{align-items:center;gap:var(--f-s-3);max-width:760px;min-height:56px;padding:6px var(--f-gutter) 6px calc(var(--f-gutter) - 10px);grid-template-columns:44px minmax(0,1fr) auto;margin:0 auto;display:grid}.flow-root .pp-close{width:44px;height:44px;color:var(--f-text-2);place-items:center;display:grid}.flow-root .pp-close:hover{color:var(--f-ink)}.flow-root .pp-session-title{min-width:0;display:grid}.flow-root .pp-session-name{color:var(--f-ink);white-space:nowrap;text-overflow:ellipsis;font-size:16px;line-height:22px;overflow:hidden}.flow-root .pp-session-meta{font-family:var(--f-sans);color:var(--f-text-2);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;line-height:16px;overflow:hidden}.flow-root .pp-session-count{font-family:var(--f-sans);color:var(--f-text-2);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:13px;font-weight:500}.flow-root .pp-session .f-progress{max-width:760px;padding:0 var(--f-gutter);margin:0 auto}.flow-root .pp-session-main{width:100%;max-width:760px;padding:var(--f-s-5) var(--f-gutter) var(--f-s-8);flex:1;margin:0 auto}@media (min-width:900px){.flow-root .pp-session-main{padding-top:var(--f-s-7)}}.flow-root .pp-question{gap:var(--f-s-5);min-width:0;display:grid}.flow-root .pp-qnum{font-family:var(--f-sans);color:var(--f-text-2);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 16px;font-size:13px;font-weight:500;line-height:18px;display:flex}.flow-root .pp-qstrand{color:var(--f-text-3);font-weight:400}.flow-root .pp-stem{gap:var(--f-s-3);color:var(--f-ink);overflow-wrap:anywhere;min-width:0;font-size:19px;line-height:29px;display:grid}@media (min-width:900px){.flow-root .pp-stem{font-size:20px;line-height:31px}}.flow-root .pp-stem .katex-display,.flow-root .pp-stem .f-tex--display{max-width:100%;overflow:auto hidden}.flow-root .pp-statements{border-left:1px solid var(--f-rule-2);padding:0;padding-left:var(--f-s-4);gap:6px;margin:0;list-style:none;display:grid}.flow-root .pp-statements li{grid-template-columns:34px minmax(0,1fr);align-items:baseline;gap:8px;display:grid}.flow-root .pp-numeral{font-family:var(--f-serif);color:var(--f-text-2);letter-spacing:.02em;font-size:16px}.flow-root .pp-actions{gap:var(--f-s-3);display:flex}.flow-root .pp-actions--split{justify-content:space-between}.flow-root .pp-actions--dock{z-index:4;margin:0 calc(-1 * var(--f-gutter));padding:12px var(--f-gutter) calc(12px + env(safe-area-inset-bottom,0px));background:var(--f-bg);border-top:1px solid var(--f-rule);position:sticky;bottom:0}@media (min-width:700px){.flow-root .pp-actions--dock{background:0 0;border-top:0;margin:0;padding:0;position:static}.flow-root .pp-actions--dock .f-button--block{width:auto;min-width:160px}}.flow-root .pp-after{gap:var(--f-s-5);display:grid}.flow-root .pp-queued{font-family:var(--f-sans);color:var(--f-text-2);font-size:14px;line-height:20px}.flow-root .pp-queued .f-textlink{color:var(--f-ink);margin-left:4px}.flow-root .pp-why{gap:var(--f-s-5);display:grid}.flow-root .pp-why-chosen{gap:var(--f-s-2);padding-left:var(--f-s-4);border-left:1px solid var(--f-red);display:grid}.flow-root .pp-why-chosen p{font-size:var(--f-body-size);line-height:var(--f-body-line)}.flow-root .pp-mistake-line{gap:2px;margin-top:4px;display:grid}.flow-root .pp-tag{font-family:var(--f-sans);color:var(--f-ink);font-size:13px;font-weight:500}.flow-root .pp-remedy{font-size:var(--f-small-size);line-height:var(--f-small-line);color:var(--f-text-2)}.flow-root .pp-solution{gap:var(--f-s-3);display:grid}.flow-root .pp-solution ol{counter-reset:pp-step;gap:var(--f-s-3);margin:0;padding:0;list-style:none;display:grid}.flow-root .pp-solution li{counter-increment:pp-step;font-size:var(--f-body-size);line-height:var(--f-body-line);overflow-wrap:anywhere;grid-template-columns:26px minmax(0,1fr);gap:6px;display:grid}.flow-root .pp-solution li:before{content:counter(pp-step);font-family:var(--f-sans);font-size:12px;line-height:var(--f-body-line);color:var(--f-text-3);font-variant-numeric:tabular-nums}.flow-root .pp-all-options{gap:var(--f-s-3);justify-items:start;display:grid}.flow-root .pp-option-whys{gap:var(--f-s-3);width:100%;margin:0;display:grid}.flow-root .pp-option-whys>div{padding-top:var(--f-s-3);border-top:1px solid var(--f-rule);gap:4px;display:grid}.flow-root .pp-option-whys dt{color:var(--f-text)}.flow-root .pp-option-whys dd{font-size:var(--f-small-size);line-height:var(--f-small-line);color:var(--f-text-2);margin:0}.flow-root .pp-selftag{border:0;min-width:0;margin:0;padding:0}.flow-root .pp-selftag legend{margin-bottom:var(--f-s-2)}.flow-root .pp-chips{flex-wrap:wrap;gap:8px;display:flex}.flow-root .pp-chip{border:1px solid var(--f-rule-2);min-height:36px;color:var(--f-text-2);font-family:var(--f-sans);cursor:pointer;transition:border-color var(--f-dur-micro) var(--f-ease-ui), color var(--f-dur-micro) var(--f-ease-ui);background:0 0;border-radius:999px;padding:0 12px;font-size:13.5px}.flow-root .pp-chip:hover{border-color:var(--f-text-2);color:var(--f-text)}.flow-root .pp-chip[aria-pressed=true]{border-color:var(--f-ink);background:var(--f-ink);color:#000}.flow-root .pp-pace{gap:10px;max-width:420px;display:grid}.flow-root .pp-pace-head{flex-wrap:wrap;align-items:baseline;gap:12px;display:flex}.flow-root .pp-pace-time{color:var(--f-ink);font-variant-numeric:tabular-nums lining-nums;font-size:22px;line-height:26px}.flow-root .pp-pace-words{font-family:var(--f-sans);color:var(--f-text-2);font-size:13px}.flow-root .pp-pace-ruler{height:26px;position:relative}.flow-root .pp-pace-track{background:var(--f-rule-2);height:1px;position:absolute;top:6px;left:0;right:0}.flow-root .pp-pace-fill{height:2.5px;width:calc(var(--t) * 100%);background:var(--f-ink);transform-origin:0;animation:pp-grow .9s var(--f-ease-draw) both;position:absolute;top:5.25px;left:0}.flow-root .pp-pace-node{top:1.5px;left:calc(var(--t) * 100% - 5px);border:1.5px solid var(--f-ink);width:10px;height:10px;animation:flow-fade-in .2s var(--f-ease-ui) .8s both;background:#000;border-radius:50%;position:absolute}.flow-root .pp-pace-tick{top:0;left:calc(var(--p) * 100%);background:var(--f-text-2);width:1px;height:13px;position:absolute}.flow-root .pp-pace-tick-label{top:14px;left:calc(var(--p) * 100%);font-family:var(--f-sans);color:var(--f-text-2);font-variant-numeric:tabular-nums;font-size:11px;line-height:12px;position:absolute;transform:translate(-50%)}.flow-root .pp-dots{flex-wrap:wrap;gap:6px;display:flex}.flow-root .pp-dot{border:1px solid var(--f-rule-2);border-radius:var(--f-r-sm);width:36px;height:36px;color:var(--f-text-3);font-family:var(--f-sans);cursor:pointer;background:0 0;font-size:13px}.flow-root .pp-dot.is-answered{color:var(--f-ink);border-color:var(--f-text-2)}.flow-root .pp-dot.is-current{outline:1.5px dashed var(--f-ink);outline-offset:2px}.flow-root .pp-summary,.flow-root .pp-result{gap:var(--f-s-5);min-width:0;display:grid}.flow-root .pp-result{gap:var(--f-s-7)}.flow-root .pp-result-head{gap:var(--f-s-2);display:grid}.flow-root .pp-score{font-variant-numeric:tabular-nums lining-nums}.flow-root .pp-score-of{color:var(--f-text-3)}.flow-root .pp-summary-line{max-width:38em}.flow-root .pp-result-section{gap:var(--f-s-4);min-width:0;display:grid}.flow-root .pp-callouts{gap:var(--f-s-4);display:grid}@media (min-width:760px){.flow-root .pp-callouts{gap:var(--f-s-6);grid-template-columns:1fr 1fr}}.flow-root .pp-callout{padding-top:var(--f-s-3);border-top:1px solid var(--f-rule);gap:6px;display:grid}.flow-root .pp-callout p{font-size:var(--f-small-size);line-height:var(--f-small-line)}.flow-root .pp-review-list{border-top:1px solid var(--f-rule);margin:0;padding:0;list-style:none}.flow-root .pp-review-list>li{border-bottom:1px solid var(--f-rule)}.flow-root .pp-disclose>summary{align-items:center;gap:var(--f-s-3);cursor:pointer;grid-template-columns:30px minmax(0,1fr) auto;min-height:52px;padding:8px 2px;list-style:none;display:grid}.flow-root .pp-disclose>summary::-webkit-details-marker{display:none}.flow-root .pp-disclose>summary:hover .pp-row-strand,.flow-root .pp-disclose[open]>summary .pp-row-strand{color:var(--f-text)}.flow-root .pp-row-num{font-family:var(--f-sans);color:var(--f-text-2);font-variant-numeric:tabular-nums;font-size:13px;font-weight:500}.flow-root .pp-row-main{flex-wrap:wrap;align-items:center;gap:4px 14px;min-width:0;display:flex}.flow-root .pp-row-strand{color:var(--f-text-2);transition:color var(--f-dur-micro) var(--f-ease-ui);font-size:15px;line-height:20px}.flow-root .pp-row-time{color:var(--f-text-2);font-variant-numeric:tabular-nums lining-nums;font-size:15px}.flow-root .pp-blank{font-family:var(--f-sans);color:var(--f-text-3);font-size:14px;font-weight:600}.flow-root .pp-marked{gap:var(--f-s-4);padding:var(--f-s-3) 0 var(--f-s-6);display:grid}.flow-root .pp-marked .pp-stem{font-size:var(--f-body-size);line-height:var(--f-body-line)}.flow-root .pp-paper-note{font-family:var(--f-sans);color:var(--f-text-2);border-left:1px solid var(--f-rule-2);padding-left:10px;font-size:13px;line-height:18px}.flow-root .pp-scale-note{gap:var(--f-s-3);padding-top:var(--f-s-5);border-top:1px solid var(--f-rule);display:grid}.flow-root .pp-chart{gap:8px;min-width:0;margin:0;display:grid}.flow-root .pp-chart-box{width:100%;min-width:0}.flow-root .pp-chart svg{display:block;overflow:visible}.flow-root .pp-axis line{stroke:var(--f-text-3);stroke-width:1px;shape-rendering:crispedges}.flow-root .pp-axis text,.flow-root .pp-x-label{fill:var(--f-text-2);font-family:var(--f-sans);font-variant-numeric:tabular-nums;font-size:11px}.flow-root .pp-axis-unit{fill:var(--f-text-3)!important}.flow-root .pp-ref{stroke:var(--f-text-2);stroke-width:1px;stroke-dasharray:4 3}.flow-root .pp-ref--fine{stroke:var(--f-text-3);stroke-dasharray:2 3}.flow-root .pp-ref-label{fill:var(--f-text-2);font-family:var(--f-sans);font-size:11px}.flow-root .pp-point-label{fill:var(--f-ink);font-family:var(--f-serif);font-variant-numeric:tabular-nums;font-size:13px}.flow-root .pp-stem-line{stroke-width:1.5px;stroke-linecap:butt}.flow-root .pp-stem-line--correct{stroke:var(--f-accent)}.flow-root .pp-stem-line--wrong{stroke:var(--f-red)}.flow-root .pp-stem-line--blank{stroke:var(--f-text-3)}.flow-root .pp-node{fill:#000;stroke:var(--f-ink);stroke-width:1.5px;animation:flow-fade-in .24s var(--f-ease-ui) calc(.5s + var(--i,0) * 34ms) both}.flow-root .pp-node--correct{stroke:var(--f-accent);fill:var(--f-accent)}.flow-root .pp-node--wrong{stroke:var(--f-red);fill:#000}.flow-root .pp-node--blank{stroke:var(--f-text-3);stroke-dasharray:2 2;fill:#000}.flow-root .pp-node--hollow{fill:#000}.flow-root .pp-trend-line{fill:none;stroke:var(--f-ink);stroke-width:1.5px;stroke-linejoin:round}.flow-root .pp-draw-y,.flow-root .pp-draw-x{stroke-dasharray:1;stroke-dashoffset:1px;animation:pp-draw .7s var(--f-ease-draw) calc(var(--i,0) * 34ms) forwards}.flow-root .pp-reveal-x{transform-box:fill-box;transform-origin:0;animation:pp-grow .8s var(--f-ease-draw) both}@keyframes pp-draw{to{stroke-dashoffset:0}}.flow-root .pp-legend{font-family:var(--f-sans);color:var(--f-text-2);flex-wrap:wrap;gap:6px 18px;font-size:12.5px;display:flex}.flow-root .pp-key{align-items:center;gap:7px;display:inline-flex}.flow-root .pp-key:before{content:"";box-sizing:border-box;border:1.5px solid;border-radius:50%;width:9px;height:9px}.flow-root .pp-key--correct:before{border-color:var(--f-accent);background:var(--f-accent)}.flow-root .pp-key--wrong:before{border-color:var(--f-red)}.flow-root .pp-key--blank:before{border:1.5px dashed var(--f-text-3)}.flow-root .pp-key--solid:before{border-color:var(--f-ink);background:var(--f-ink)}.flow-root .pp-key--hollow:before{border-color:var(--f-ink)}.flow-root .pp-hairbar{gap:6px;min-width:0;display:grid}.flow-root .pp-hairbar-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.flow-root .pp-hairbar-label{color:var(--f-text);min-width:0;font-size:15px;line-height:20px}.flow-root .pp-hairbar-detail{font-family:var(--f-sans);color:var(--f-text-2);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:12.5px}.flow-root .pp-hairbar-track{height:7px;position:relative}.flow-root .pp-hairbar-track:before{content:"";background:var(--f-rule-2);height:1px;position:absolute;top:3px;left:0;right:0}.flow-root .pp-hairbar-fill{height:2.5px;width:calc(var(--f) * 100%);background:var(--f-ink);transform-origin:0;animation:pp-grow .8s var(--f-ease-draw) .1s both;position:absolute;top:2.25px;left:0}.flow-root .pp-hairbar-fill:after{content:"";border:1.5px solid var(--f-ink);box-sizing:border-box;background:#000;border-radius:50%;width:8px;height:8px;position:absolute;top:-3px;right:-4px}.flow-root .pp-hairbar--muted .pp-hairbar-fill{background:var(--f-text-2)}.flow-root .pp-hairbar--muted .pp-hairbar-fill:after{border-color:var(--f-text-2)}.flow-root .pp-strand-bars{gap:var(--f-s-4);display:grid}.flow-root .pp-dial{--slice:18deg;justify-self:center;justify-items:center;gap:4px;width:100%;max-width:340px;margin:0;display:grid}.flow-root .pp-dial svg{width:100%;height:auto;overflow:visible}.flow-root .pp-dial-rim{fill:none;stroke:var(--f-ink);stroke-width:2px}.flow-root .pp-dial-draw{stroke-dasharray:1;stroke-dashoffset:1px;transform-origin:120px 120px;animation:pp-draw 1.2s var(--f-ease-draw) forwards;transform:rotate(-90deg)}.flow-root .pp-dial-minute{stroke:var(--f-text-3);stroke-width:.75px}.flow-root .pp-dial-tick{stroke:var(--f-ink);stroke-width:1.5px;animation:flow-fade-in .2s var(--f-ease-ui) both}.flow-root .pp-dial-num{fill:var(--f-text-2);font-family:var(--f-serif);font-size:11px}.flow-root .pp-hatch-line{stroke:var(--f-ink);stroke-width:.75px;opacity:.85}.flow-root .pp-dial-slice{stroke:var(--f-ink);stroke-width:1px;animation:flow-fade-in .6s var(--f-ease-ui) 2.6s both}.flow-root .pp-dial-dim{fill:none;stroke:var(--f-text-2);stroke-width:1px}.flow-root .pp-dial-dim-draw{stroke-dasharray:1;stroke-dashoffset:1px;animation:pp-draw .5s var(--f-ease-draw) 3s forwards}.flow-root .pp-dial-hand{transform-box:view-box;transform-origin:120px 120px;animation:1.6s linear 1.3s both pp-hand}@keyframes pp-hand{0%{transform:rotate(0)}to{transform:rotate(var(--slice))}}.flow-root .pp-dial-hand-line{stroke:var(--f-ink);stroke-width:1.5px}.flow-root .pp-dial-node{fill:#000;stroke:var(--f-ink);stroke-width:1.5px}.flow-root .pp-dial-dot{fill:var(--f-ink)}.flow-root .pp-dial-label{fill:var(--f-ink);font-family:var(--f-serif);font-variant-numeric:tabular-nums;animation:flow-fade-in .24s var(--f-ease-ui) 3.4s both;font-size:13px}.flow-root .pp-dial-caption{font-size:var(--f-caption-size);color:var(--f-ink);max-width:100%;animation:flow-fade-in .4s var(--f-ease-ui) 3.6s both}.flow-root .pp-paper-groups{gap:var(--f-s-7);display:grid}@media (min-width:1000px){.flow-root .pp-paper-groups{gap:var(--f-s-7);grid-template-columns:1fr 1fr}}.flow-root .pp-paper-group{gap:var(--f-s-4);align-content:start;min-width:0;display:grid}.flow-root .pp-paper-group-head{padding-bottom:var(--f-s-3);border-bottom:1px solid var(--f-rule);gap:2px;display:grid}.flow-root .pp-paper-group-name{font-size:var(--f-body-size);color:var(--f-text-2)}.flow-root .pp-paper-group-meta{font-family:var(--f-sans);color:var(--f-text-3);font-size:13px}.flow-root .pp-tiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}@media (min-width:560px){.flow-root .pp-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1000px){.flow-root .pp-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1200px){.flow-root .pp-tiles{grid-template-columns:repeat(4,minmax(0,1fr))}}.flow-root .pp-tile{border:1px solid var(--f-rule);border-radius:var(--f-r);background:var(--f-bg);min-height:92px;color:var(--f-text);transition:border-color var(--f-dur-micro) var(--f-ease-ui);align-content:space-between;gap:10px;padding:12px 14px;text-decoration:none;display:grid;position:relative}.flow-root .pp-tile:hover{border-color:var(--f-text-2)}.flow-root .pp-tile.is-open{border-color:var(--f-ink)}.flow-root .pp-tile-set{color:var(--f-ink);font-variant-numeric:lining-nums;font-size:24px;line-height:28px}.flow-root .pp-tile-word{color:var(--f-text-2);font-size:15px}.flow-root .pp-tile-meta{font-family:var(--f-sans);color:var(--f-text-2);gap:2px;font-size:12px;line-height:15px;display:grid}.flow-root .pp-tile-band{color:var(--f-text)}.flow-root .pp-tile-strands{color:var(--f-text-3);-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.flow-root .pp-tile-status{font-family:var(--f-sans);color:var(--f-text-2);font-variant-numeric:tabular-nums;font-size:12.5px;line-height:16px}.flow-root .pp-tile.is-new .pp-tile-status{color:var(--f-text-3)}.flow-root .pp-tile.is-done .pp-tile-status,.flow-root .pp-tile.is-open .pp-tile-status{color:var(--f-ink)}.flow-root .pp-tile-bar{height:3px;position:absolute;bottom:9px;left:14px;right:14px}.flow-root .pp-tile-bar:before{content:"";background:var(--f-rule-2);height:1px;position:absolute;top:1px;left:0;right:0}.flow-root .pp-tile-bar>span{height:3px;width:calc(var(--f) * 100%);background:var(--f-ink);transform-origin:0;animation:pp-grow .7s var(--f-ease-draw) both;position:absolute;top:0;left:0}.flow-root .pp-tile-more{font-family:var(--f-sans);color:var(--f-text-3);font-size:11px;position:absolute;top:12px;right:14px}.flow-root .pp-intro-wrap{min-height:100vh}.flow-root .pp-intro{gap:var(--f-s-5);max-width:760px;padding-top:var(--f-s-6);padding-bottom:var(--f-s-8);display:grid}.flow-root .pp-facts{border-top:1px solid var(--f-rule);grid-template-columns:repeat(2,minmax(0,1fr));margin:0;display:grid}@media (min-width:700px){.flow-root .pp-facts{grid-template-columns:repeat(4,minmax(0,1fr))}}.flow-root .pp-facts>div{border-bottom:1px solid var(--f-rule);gap:2px;padding:14px 0;display:grid}.flow-root .pp-facts dt{font-family:var(--f-sans);color:var(--f-text-2);font-size:12.5px}.flow-root .pp-facts dd{color:var(--f-ink);margin:0;font-size:20px;line-height:26px}.flow-root .pp-rules{gap:8px;max-width:36em;margin:0;padding:0 0 0 1.1em;display:grid}.flow-root .pp-rules li::marker{color:var(--f-text-3)}.flow-root .pp-past{gap:var(--f-s-3);margin-top:var(--f-s-5);display:grid}.flow-root .pp-runner{min-height:100vh}.flow-root .pp-runner-bar{z-index:10;background:var(--f-bg);border-bottom:1px solid var(--f-rule);position:sticky;top:0}.flow-root .pp-runner-bar-inner{align-items:center;gap:var(--f-s-3);max-width:1200px;min-height:60px;padding:8px var(--f-gutter);grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);margin:0 auto;display:grid}.flow-root .pp-runner-id{min-width:0;display:grid}.flow-root .pp-runner-name{color:var(--f-ink);white-space:nowrap;text-overflow:ellipsis;font-size:15px;line-height:20px;overflow:hidden}.flow-root .pp-runner-rule{font-family:var(--f-sans);color:var(--f-text-3);font-size:12px}.flow-root .pp-clock{color:var(--f-text-2);text-align:center}.flow-root .pp-clock-value{font-family:var(--f-serif);font-variant-numeric:tabular-nums lining-nums;letter-spacing:.01em;font-size:26px;line-height:30px}.flow-root .pp-clock.is-urgent{color:var(--f-ink)}.flow-root .pp-runner-navbtn{border:1px solid var(--f-rule-2);border-radius:var(--f-r);min-height:40px;color:var(--f-text);font-family:var(--f-sans);cursor:pointer;background:0 0;justify-self:end;align-items:center;gap:8px;padding:0 12px;font-size:14px;font-weight:500;display:inline-flex}.flow-root .pp-runner-navcount{color:var(--f-text-2);font-variant-numeric:tabular-nums}@media (min-width:1000px){.flow-root .pp-runner-navbtn{display:none}}.flow-root .pp-ruler{max-width:1200px;height:10px;padding:0 var(--f-gutter);margin:0 auto;position:relative}.flow-root .pp-ruler-tick{bottom:0;left:calc(var(--f-gutter) + var(--x) * (100% - 2 * var(--f-gutter)));background:var(--f-rule-2);width:1px;height:4px;position:absolute}.flow-root .pp-ruler-elapsed{bottom:-1px;left:var(--f-gutter);height:2px;width:calc(var(--e) * (100% - 2 * var(--f-gutter)));background:var(--f-ink);transition:width .25s linear;position:absolute}.flow-root .pp-ruler-caret{bottom:3px;left:calc(var(--f-gutter) + var(--q) * (100% - 2 * var(--f-gutter)) - 4px);border-left:4px solid #0000;border-right:4px solid #0000;border-top:5px solid var(--f-text-2);width:0;height:0;transition:left var(--f-dur-ui) var(--f-ease-ui);position:absolute}.flow-root .pp-runner-body{max-width:1200px;padding:0 var(--f-gutter);margin:0 auto;display:grid}@media (min-width:1000px){.flow-root .pp-runner-body{gap:var(--f-s-8);grid-template-columns:minmax(0,1fr) 280px}}.flow-root .pp-runner-main{gap:var(--f-s-5);width:100%;max-width:720px;padding:var(--f-s-5) 0 var(--f-s-7);align-content:start;min-width:0;display:grid}@media (min-width:1000px){.flow-root .pp-runner-main{padding-top:var(--f-s-7)}}.flow-root .pp-runner-rail{display:none}@media (min-width:1000px){.flow-root .pp-runner-rail{gap:var(--f-s-4);padding-top:var(--f-s-7);align-content:start;max-height:calc(100vh - 90px);display:grid;position:sticky;top:90px}}.flow-root .pp-rail-note{max-width:24em}.flow-root .pp-qhead{justify-content:space-between;align-items:center;gap:var(--f-s-3);display:flex}.flow-root .pp-qtitle{font-weight:400;font-size:var(--f-h3-size);line-height:var(--f-h3-line);color:var(--f-ink)}.flow-root .pp-qof{color:var(--f-text-3)}.flow-root .pp-flag{border:1px solid var(--f-rule-2);min-height:36px;color:var(--f-text-2);font-family:var(--f-sans);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;align-items:center;gap:8px;padding:0 12px;font-size:13.5px;display:inline-flex}.flow-root .pp-flag[aria-pressed=true]{border-color:var(--f-ink);color:var(--f-ink)}.flow-root .pp-flag[aria-pressed=true] .f-glyph{fill:var(--f-ink)}.flow-root .pp-clear{justify-self:start}.flow-root .pp-qstrand-foot{font-family:var(--f-sans);color:var(--f-text-3);font-size:12.5px}.flow-root .pp-nav{gap:var(--f-s-3);display:grid}.flow-root .pp-nav-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin:0;padding:0;list-style:none;display:grid}.flow-root .pp-nav-cell{aspect-ratio:1;border:1px solid var(--f-rule-2);border-radius:var(--f-r-sm);width:100%;min-height:44px;color:var(--f-text-3);font-family:var(--f-serif);font-variant-numeric:tabular-nums lining-nums;cursor:pointer;transition:border-color var(--f-dur-micro) var(--f-ease-ui);background:0 0;place-items:center;font-size:16px;display:grid;position:relative}.flow-root .pp-nav-cell:hover{border-color:var(--f-text-2)}.flow-root .pp-nav-cell.is-answered{background:var(--f-ink);border-color:var(--f-ink);color:#000}.flow-root .pp-nav-cell.is-current{outline:1.5px dashed var(--f-ink);outline-offset:3px}.flow-root .pp-nav-flag{width:10px;height:10px;color:var(--f-ink);position:absolute;top:3px;right:3px}.flow-root .pp-nav-cell.is-answered .pp-nav-flag{color:#000}.flow-root .pp-nav-legend{font-family:var(--f-sans);color:var(--f-text-2);flex-wrap:wrap;gap:6px 14px;font-size:12.5px;display:flex}.flow-root .pp-nav-legend>span{align-items:center;gap:6px;display:inline-flex}.flow-root .pp-swatch{border:1px solid var(--f-rule-2);border-radius:2px;width:10px;height:10px;display:inline-block}.flow-root .pp-swatch.is-answered{background:var(--f-ink);border-color:var(--f-ink)}.flow-root .pp-ladder{gap:2px;width:100%;min-width:0;margin:0;display:grid}.flow-root .pp-ladder svg{width:100%;height:auto;overflow:visible}.flow-root .pp-ladder-axis{stroke:var(--f-text-2);stroke-width:1px}.flow-root .pp-ladder-tick{stroke:var(--f-text-3);stroke-width:.75px}.flow-root .pp-ladder-hop{fill:none;stroke:var(--f-ink);stroke-width:1.5px;stroke-dasharray:1;stroke-dashoffset:1px;animation:pp-draw .7s var(--f-ease-draw) calc(.3s + var(--i) * .65s) forwards}.flow-root .pp-ladder-node{animation:flow-fade-in .24s var(--f-ease-ui) calc(var(--i) * .65s + 50ms) both}.flow-root .pp-ladder-ring{fill:#000;stroke:var(--f-ink);stroke-width:1.5px}.flow-root .pp-ladder-miss{fill:#000;stroke:var(--f-text-2);stroke-width:1.5px;stroke-dasharray:2 2}.flow-root .pp-ladder-dot{fill:var(--f-ink)}.flow-root .pp-ladder-label{fill:var(--f-text);font-family:var(--f-serif);font-variant-numeric:tabular-nums;font-size:14px}.flow-root .pp-ladder-gap{animation:flow-fade-in .24s var(--f-ease-ui) calc(.7s + var(--i) * .65s) both}.flow-root .pp-ladder-unit{fill:var(--f-text-3);font-family:var(--f-sans);font-size:11px}.flow-root .pp-ladder-caption{text-align:center;font-size:var(--f-caption-size);color:var(--f-ink);animation:flow-fade-in .4s var(--f-ease-ui) 3s both}.flow-root .pp-review{gap:var(--f-s-7);display:grid}.flow-root .pp-due{gap:var(--f-s-5);padding:var(--f-s-5) 0;border-top:1px solid var(--f-rule);border-bottom:1px solid var(--f-rule);display:grid}@media (min-width:900px){.flow-root .pp-due{gap:var(--f-s-7);grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}}.flow-root .pp-due-main{gap:var(--f-s-3);justify-items:start;display:grid}.flow-root .pp-due-count{font-size:var(--f-display-size);line-height:var(--f-display-line);color:var(--f-ink);font-variant-numeric:lining-nums tabular-nums}.flow-root .pp-due-word{font-size:var(--f-h3-size);color:var(--f-text-2)}.flow-root .pp-coming{border-top:1px solid var(--f-rule);margin:0;padding:0;list-style:none}.flow-root .pp-coming li{border-bottom:1px solid var(--f-rule);justify-content:space-between;gap:12px;padding:10px 0;font-size:15px;display:flex}.flow-root .pp-coming-meta{font-family:var(--f-sans);color:var(--f-text-2);text-align:right;font-size:12.5px}.flow-root .pp-log{gap:var(--f-s-5);display:grid}.flow-root .pp-log-head{justify-content:space-between;align-items:center;gap:var(--f-s-3);flex-wrap:wrap;display:flex}.flow-root .pp-toggle{border:1px solid var(--f-rule-2);border-radius:var(--f-r);grid-auto-flow:column;display:inline-grid;overflow:hidden}.flow-root .pp-toggle button{min-height:36px;color:var(--f-text-2);font-family:var(--f-sans);cursor:pointer;background:0 0;border:0;padding:0 14px;font-size:13.5px;font-weight:500}.flow-root .pp-toggle button+button{border-left:1px solid var(--f-rule-2)}.flow-root .pp-toggle button[aria-checked=true]{background:var(--f-ink);color:#000}.flow-root .pp-groups{gap:var(--f-s-7);display:grid}@media (min-width:1000px){.flow-root .pp-groups{gap:var(--f-s-7) var(--f-s-8);grid-template-columns:1fr 1fr}}.flow-root .pp-group{gap:var(--f-s-3);align-content:start;min-width:0;display:grid}.flow-root .pp-group-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.flow-root .pp-group-count{color:var(--f-text-2);font-variant-numeric:tabular-nums lining-nums;font-size:20px}.flow-root .pp-group-remedy{font-size:var(--f-small-size);line-height:var(--f-small-line);color:var(--f-text-2);border-left:1px solid var(--f-rule-2);padding-left:12px}.flow-root .pp-group .pp-small-link{justify-self:start}.flow-root .pp-log-list{border-top:1px solid var(--f-rule);margin:0;padding:0;list-style:none}.flow-root .pp-log-entry{border-bottom:1px solid var(--f-rule)}.flow-root .pp-log-entry .pp-disclose>summary{grid-template-columns:minmax(0,1fr) auto;align-items:start;padding:12px 2px}.flow-root .pp-log-main{gap:4px;min-width:0;display:grid}.flow-root .pp-log-stem{color:var(--f-text);overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:15.5px;line-height:23px;display:-webkit-box;overflow:hidden}.flow-root .pp-log-meta{font-family:var(--f-sans);color:var(--f-text-3);font-size:12.5px}.flow-root .pp-log-due{font-family:var(--f-sans);color:var(--f-text-2);white-space:nowrap;padding-top:2px;font-size:12.5px}.flow-root .pp-log-body{gap:var(--f-s-4);padding:4px 0 var(--f-s-5);display:grid}.flow-root .pp-log-body .pp-stem{font-size:var(--f-body-size);line-height:var(--f-body-line)}.flow-root .pp-lesson-link{gap:4px;display:grid}.flow-root .pp-ladder-note{max-width:40em}.flow-root .pp-reattempt{gap:var(--f-s-5);max-width:760px;margin:0 auto;display:grid}.flow-root .pp-progress{gap:var(--f-s-7);display:grid}.flow-root .pp-stat-row{border-top:1px solid var(--f-rule);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}@media (min-width:900px){.flow-root .pp-stat-row{grid-template-columns:repeat(4,minmax(0,1fr))}}.flow-root .pp-stat{padding:var(--f-s-4) var(--f-s-3) var(--f-s-4) 0;border-bottom:1px solid var(--f-rule);gap:2px;display:grid}.flow-root .pp-stat-value{color:var(--f-ink);font-variant-numeric:tabular-nums lining-nums;font-size:34px;line-height:40px}.flow-root .pp-stat-label{font-family:var(--f-sans);color:var(--f-text-2);font-size:12.5px;line-height:16px}.flow-root .pp-progress-grid{gap:var(--f-s-7);display:grid}@media (min-width:900px){.flow-root .pp-progress-grid{gap:var(--f-s-7) var(--f-s-8);grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.flow-root .pp-panel--wide{grid-column:1/-1}}.flow-root .pp-panel{gap:var(--f-s-4);align-content:start;min-width:0;display:grid}.flow-root .pp-panel-empty{font-size:var(--f-small-size);line-height:var(--f-small-line);color:var(--f-text-3)}.flow-root .pp-strand-cols{gap:var(--f-s-6);display:grid}@media (min-width:900px){.flow-root .pp-strand-cols{gap:var(--f-s-8);grid-template-columns:1fr 1fr}}.flow-root .pp-strand-cols>div{gap:var(--f-s-3);align-content:start;min-width:0;display:grid}@media print{.flow-root .pp-session-bar,.flow-root .pp-runner-bar,.flow-root .pp-actions,.flow-root .pp-chips{display:none}}@media (min-width:900px){.flow-root .pp-result .pp-strand-bars{column-gap:var(--f-s-8);grid-template-columns:1fr 1fr}}.flow-root .pp-tile.is-done{padding-bottom:22px}.flow-root .pp-idea{border-top:1px solid var(--f-rule);gap:10px;padding-top:16px;display:grid}.flow-root .pp-idea-figure{max-width:420px}.flow-root .pp-idea-figure .ff{margin-inline:0}.pp-fast-chips{flex-wrap:wrap;gap:6px;margin:4px 0 10px;padding:0;list-style:none;display:flex}.pp-fast-chip{min-height:32px;font-family:var(--f-sans);color:var(--f-ink);border:1px solid var(--f-rule-2);border-radius:999px;align-items:baseline;gap:6px;padding:6px 10px;scroll-margin-top:80px;font-size:13px;text-decoration:none;display:inline-flex}.pp-fast-chip:hover,.pp-fast-chip:focus-visible{border-color:var(--f-ink)}.pp-fast-chip-time{color:var(--f-text-2);font-variant-numeric:tabular-nums}.pp-review-list>li{scroll-margin-top:80px}
