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var(--solve-hairline);background:var(--solve-surface);min-height:40px;color:var(--solve-ink);border-radius:999px;padding:8px 14px;font-weight:700}.sl-tab.active{border-color:var(--solve-accent);color:var(--solve-accent)}.sl-note{font-size:14px}.sl-found{gap:10px;margin:0;padding:0;list-style:none;display:grid}.sl-found-item{border:1px solid var(--solve-hairline);border-radius:12px;gap:4px;padding:12px 14px;display:grid}.sl-found-item label{cursor:pointer;color:var(--solve-ink);flex-direction:row;align-items:flex-start;gap:10px;font-size:15px;font-weight:400;display:flex}.sl-found-item input[type=checkbox]{width:20px;height:20px;accent-color:var(--solve-accent);flex:none;margin:2px 0 0}.sl-found-item.sl-off .sl-example,.sl-found-item.sl-off strong{opacity:.6}.sl-example{overflow-wrap:anywhere;margin:0 0 0 30px}.sl-source{margin:0 0 0 30px;font-size:14px}.sl-materials{gap:10px;margin-top:24px;display:grid}.sl-material-row{border:1px solid var(--solve-hairline);overflow-wrap:anywhere;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.sl-manage{flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;display:flex}.sl-photos{gap:10px;display:grid}.sl-thumbs{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.sl-thumbs li{justify-items:start;gap:4px;display:grid}.sl-thumbs img{aspect-ratio:3/4;object-fit:contain;background:var(--solve-surface);border:1px solid var(--solve-hairline);border-radius:8px;width:100%}.sl-disabled{opacity:.6;cursor:default}.solve-avatar-btn img[src^="/pictures/"]{object-fit:contain;padding:5px}.pf-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.pf-id{border:1px solid var(--solve-hairline);background:var(--solve-surface);border-radius:12px;align-items:center;gap:14px;margin:8px 0 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var(--solve-hairline);padding:56px 16px 64px}.solve-final h2{border:0;margin:0 0 8px;padding:0;font-size:clamp(26px,4.5vw,36px)}.solve-final p{margin:0 0 20px}.solve-public-inapp .solve-hero{padding-top:8px}.solve-prose{max-width:680px;margin:16px auto 48px;font-size:17px;line-height:1.6}.solve-prose h1{border:0;margin:0 0 4px;padding:0;font-size:clamp(30px,5vw,40px)}.solve-prose h2{border:0;margin:28px 0 8px;padding:0;font-size:21px}.solve-prose ul{padding-left:20px}.solve-prose li{margin:4px 0}.solve-footer{border-top:1px solid var(--solve-hairline);background:var(--solve-surface);padding:32px 16px 40px}.solve-footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;max-width:1080px;margin:0 auto;display:grid}.solve-footer-grid p{margin:8px 0 0}.solve-footer-col{align-content:start;gap:8px;display:grid}.solve-footer-col h2{font-size:14px;font-family:var(--solve-body);border:0;margin:0 0 2px;padding:0}.solve-footer-col a{color:var(--solve-ink);text-decoration:none}.solve-footer-col 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0;display:grid}.pv-section{gap:10px;display:grid}.pv-h2{border:0;margin:0;padding:0;font-size:20px}.pv-help{margin:0;font-size:14px}.pv-actions{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.pv-link{font:inherit;color:var(--solve-accent);cursor:pointer;background:0 0;border:0;min-height:44px;padding:8px 4px;font-weight:700}.pv-link:hover{color:var(--solve-accent-hover);text-decoration:underline}.pv-notice{background:var(--solve-correct-tint);color:var(--solve-correct);border-radius:999px;justify-self:start;margin:0;padding:6px 12px;font-size:14px;font-weight:700}.pv-cards{gap:10px;display:grid}.pv-cards-row{grid-template-columns:repeat(2,minmax(0,1fr))}.pv-card{text-align:left;border:1px solid var(--solve-hairline);background:var(--solve-surface);width:100%;color:var(--solve-ink);font:inherit;cursor:pointer;border-radius:14px;align-items:flex-start;gap:12px;min-height:44px;padding:14px 16px;display:flex}.pv-card:hover{border-color:var(--solve-slate)}.pv-card.active{border-color:var(--solve-accent);box-shadow:0 0 0 1px var(--solve-accent) inset}.pv-card-later{background:var(--solve-surface-2);cursor:default}.pv-card-later:hover{border-color:var(--solve-hairline)}.pv-card-text{gap:2px;min-width:0;display:grid}.pv-radio{border:2px solid var(--solve-slate);border-radius:50%;flex:none;width:18px;height:18px;margin-top:2px}.pv-card.active .pv-radio{border-color:var(--solve-accent);background:radial-gradient(var(--solve-accent) 45%, transparent 50%)}.pv-card-later .pv-radio{border-color:var(--solve-hairline)}.pv-seg{border:1px solid var(--solve-hairline);background:var(--solve-surface-2);border-radius:10px;grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;justify-self:start;gap:3px;max-width:100%;padding:3px;display:inline-grid}.pv-seg-opt{min-height:40px;font:inherit;color:var(--solve-slate);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:8px 14px;font-size:14px;font-weight:700}.pv-seg-opt:hover{color:var(--solve-ink)}.pv-seg-opt.active{background:var(--solve-surface);color:var(--solve-ink);box-shadow:0 1px 3px #14213d29}.pv-picker{gap:10px;display:grid}.pv-count{margin:0;font-weight:700}.pv-unit{border:1px solid var(--solve-hairline);background:var(--solve-surface);border-radius:14px;overflow:hidden}.pv-unit-head{align-items:center;gap:4px;padding-left:14px;display:flex}.pv-unit-toggle{min-width:0;min-height:48px;font:inherit;color:var(--solve-ink);text-align:left;cursor:pointer;background:0 0;border:0;flex:1;grid-template-columns:1fr auto auto;align-items:center;gap:10px;padding:12px 14px;display:grid}.pv-unit-toggle:hover{background:var(--solve-surface-2)}.pv-unit-title{overflow-wrap:anywhere;font-weight:700}.pv-unit-meta{white-space:nowrap;font-size:13px}.pv-caret{color:var(--solve-slate)}.pv-skills{border-top:1px solid var(--solve-hairline);margin:0;padding:0 0 6px;list-style:none}.pv-skill{flex-wrap:wrap;align-items:center;gap:6px 10px;min-height:44px;padding:8px 14px;display:flex}.pv-skill+.pv-skill{border-top:1px solid var(--solve-surface-2)}.pv-skill-later .pv-skill-title,.pv-skill-later .pv-skill-example,.pv-skill-out .pv-skill-title{color:var(--solve-slate)}.pv-check{width:20px;height:20px;accent-color:var(--solve-accent);cursor:pointer;flex:none}.pv-check:disabled{cursor:default}.pv-skill-label{cursor:pointer;flex-wrap:wrap;flex:1;align-items:baseline;gap:4px 10px;min-width:0;display:flex}.pv-skill-title{font-weight:700}.pv-skill-example{color:var(--solve-slate);font-size:14px}.pv-standard{color:var(--solve-slate);border:1px solid var(--solve-hairline);border-radius:6px;padding:1px 6px;font-size:12px;font-weight:700}.pv-locked,.pv-out{font-size:13px}.pv-chip{white-space:nowrap;background:var(--solve-surface-2);color:var(--solve-slate);border-radius:999px;padding:2px 9px;font-size:12px;font-weight:700}.pv-chip-good{background:var(--solve-correct-tint);color:var(--solve-correct)}.pv-chip-mid{background:var(--solve-not-quite-tint);color:var(--solve-not-quite)}.pv-chip-accent{background:var(--solve-accent-tint);color:var(--solve-accent)}.pv-chip-later{background:var(--solve-surface-2);color:var(--solve-slate)}.pv-dots{gap:3px;display:inline-flex}.pv-dot{border:1px solid var(--solve-slate);border-radius:50%;width:7px;height:7px}.pv-dot.on{background:var(--solve-accent);border-color:var(--solve-accent)}.pv-start{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.pv-unit-card .pv-unit-toggle{width:100%;padding:14px 16px}.pv-skill-open{min-width:0;font:inherit;color:var(--solve-ink);text-align:left;cursor:pointer;background:0 0;border:0;flex-wrap:wrap;flex:1;align-items:baseline;gap:4px 10px;min-height:40px;padding:6px 0;display:flex}.pv-skill-open:hover 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var(--solve-hairline);border-radius:12px;width:100%;max-width:440px;display:block}.geo-line{stroke:var(--solve-ink);stroke-width:1.6px;stroke-linecap:round;fill:none}.geo-fill{fill:var(--solve-surface-2);stroke:none}.geo-hidden{stroke-dasharray:5 4;stroke-width:1.2px}.geo-arc{stroke:var(--solve-accent);stroke-width:3px;fill:none;stroke-linecap:round}.geo-mark{stroke:var(--solve-ink);stroke-width:1.3px;fill:none;stroke-linecap:round;stroke-linejoin:round}.geo-point{fill:var(--solve-ink)}.geo-tap{fill:#0000;cursor:pointer}.geo-tap.picked{fill:var(--solve-accent);fill-opacity:.18;stroke:var(--solve-accent);stroke-width:1.5px}.geo-grid{stroke:var(--solve-hairline);stroke-width:.8px}.geo-axis{stroke:var(--solve-slate);stroke-width:1.2px}.geo-tick{font:9px var(--solve-body);fill:var(--solve-slate)}.geo-label{font:500 12px var(--solve-mono);fill:var(--solve-ink)}.geo-name{font-style:italic}.geo-unknown{fill:var(--solve-accent);font-weight:700}.geo-caption{color:var(--solve-slate);font-size:13px;font-style:italic}.geo-problem-figure{gap:4px;display:grid}.geo-open{all:unset;cursor:zoom-in;border-radius:12px;width:100%;display:block}.geo-open:focus-visible{outline:3px solid var(--solve-accent);outline-offset:2px}.geo-open-hint{color:var(--solve-slate);justify-self:end;font-size:12px}@media (width<=700px){.geo-problem-figure{z-index:2;background:var(--solve-paper);padding:4px 0;position:sticky;top:0}.geo-problem-figure .geo-svg{max-height:40vh}}.geo-full{z-index:50;background:var(--solve-paper);padding:calc(12px + env(safe-area-inset-top,0px)) 16px 16px;grid-template-rows:auto 1fr;gap:12px;display:grid;position:fixed;inset:0}.geo-full-top{justify-content:space-between;align-items:center;gap:12px;display:flex}.geo-full .geo-figure{align-content:center}.geo-full .geo-svg{max-width:min(100%,900px);max-height:calc(100vh - 110px)}.geo-gallery-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.geo-gallery-card{gap:6px;margin:0;display:grid}