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path{stroke:color-mix(in srgb,var(--preview-secondary) calc(8% + var(--mod5) * 5%),transparent)}}#problem-tools-root .arc-pressure path,#problem-tools-root .flex-lines path{stroke-width:calc(.55px + var(--preview-intensity) * .35px);vector-effect:non-scaling-stroke;transition:d .36s cubic-bezier(.16,1,.3,1)}#problem-tools-root .arc-pressure path:nth-child(4n),#problem-tools-root .flex-lines path:nth-child(5n){stroke:var(--preview-accent)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .arc-pressure path:nth-child(4n),#problem-tools-root .flex-lines path:nth-child(5n){stroke:color-mix(in srgb,var(--preview-accent) 66%,transparent)}}#problem-tools-root .arc-pressure path:nth-child(4n),#problem-tools-root .flex-lines path:nth-child(5n){filter:drop-shadow(0 0 5px var(--preview-accent))}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .arc-pressure path:nth-child(4n),#problem-tools-root .flex-lines path:nth-child(5n){filter:drop-shadow(0 0 5px color-mix(in 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.ribbon-marquee{gap:22px;width:100%;display:grid;overflow:hidden;transform:rotate(-4deg)}#problem-tools-root .ribbon-marquee>div{border-block:1px solid var(--preview-secondary);width:max-content;display:flex}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .ribbon-marquee>div{border-block:1px solid color-mix(in srgb,var(--preview-secondary) 18%,transparent)}}#problem-tools-root .ribbon-marquee>div{background:var(--preview-accent);padding:18px 0}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .ribbon-marquee>div{background:color-mix(in srgb,var(--preview-accent) 8%,transparent)}}#problem-tools-root .ribbon-marquee>div{animation:suite-rail calc(var(--preview-speed) * 8) linear infinite}#problem-tools-root .ribbon-marquee span{letter-spacing:-.07em;white-space:nowrap;font-size:clamp(28px,5vw,64px);font-weight:850}#problem-tools-root .ribbon-marquee span:nth-child(2){color:var(--preview-accent)}#problem-tools-root .ribbon-marquee 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(color:color-mix(in lab, red, red)){#problem-tools-root .terminal-counter{background:color-mix(in srgb,var(--preview-secondary) 3%,transparent)}}#problem-tools-root .terminal-counter small{color:var(--preview-accent);grid-column:1/-1}#problem-tools-root .terminal-counter strong{font-family:var(--font-mono);letter-spacing:-.1em;font-variant-numeric:tabular-nums;font-size:clamp(68px,12vw,132px);font-weight:500;line-height:.76}#problem-tools-root .terminal-counter span{color:var(--preview-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .terminal-counter span{color:color-mix(in srgb,var(--preview-secondary) 48%,transparent)}}#problem-tools-root .terminal-counter span{font-family:var(--font-mono);letter-spacing:.08em;font-size:8px}#problem-tools-root .terminal-counter>i{background:#6ee7a6;border-radius:50%;width:7px;height:7px;animation:1.2s step-end infinite suite-blink;position:absolute;top:24px;right:24px;box-shadow:0 0 12px #6ee7a6}@keyframes suite-blink{50%{opacity:.2}}#problem-tools-root .cylinder-archive{perspective:1000px;place-items:center;width:min(90%,620px);min-height:280px;display:grid}#problem-tools-root .cylinder-archive>div{width:110px;height:150px;transform-style:preserve-3d;animation:suite-cylinder calc(var(--preview-speed) * 9) linear infinite;position:relative}#problem-tools-root .cylinder-archive article{border:1px solid var(--preview-secondary);grid-template-rows:auto 1fr auto;display:grid;position:absolute;inset:0}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .cylinder-archive article{border:1px solid color-mix(in srgb,var(--preview-secondary) 25%,transparent)}}#problem-tools-root .cylinder-archive article{border-radius:var(--preview-radius);background:linear-gradient(145deg,var(--preview-accent),#09090b);padding:10px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .cylinder-archive article{background:linear-gradient(145deg,color-mix(in srgb,var(--preview-accent) 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red)){#problem-tools-root .cylinder-archive p{color:color-mix(in srgb,var(--preview-secondary) 42%,transparent)}}#problem-tools-root .cylinder-archive p{font-family:var(--font-mono);font-size:7px}@keyframes suite-cylinder{to{transform:rotateY(-360deg)}}#problem-tools-root .direction-gallery{border-radius:var(--preview-radius);width:min(84%,620px);min-height:270px;position:relative;overflow:hidden}#problem-tools-root .direction-gallery>div{width:400%;transform:translateX(calc(var(--preview-variant) * -25%));transition:transform .68s cubic-bezier(.16,1,.3,1);display:flex;position:absolute;inset:0}#problem-tools-root .direction-gallery article{background:radial-gradient(circle at calc(20% + var(--item) * 17%) 30%,var(--preview-accent),transparent 40%),linear-gradient(145deg,#1f2024,#08090b);flex-direction:column;justify-content:space-between;width:25%;padding:20px;display:flex}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .direction-gallery 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.direction-gallery__left{left:14px}#problem-tools-root .direction-gallery__right{right:14px}#problem-tools-root .direction-gallery>small{z-index:4;position:absolute;bottom:13px;right:16px}#problem-tools-root .index-reveal{grid-template-columns:minmax(0,1fr) minmax(150px,.72fr);align-items:center;gap:28px;width:min(86%,660px);display:grid;position:relative}#problem-tools-root .index-reveal nav{display:grid}#problem-tools-root .index-reveal nav span{border-bottom:1px solid var(--preview-secondary);grid-template-columns:28px 1fr;align-items:center;display:grid}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .index-reveal nav span{border-bottom:1px solid color-mix(in srgb,var(--preview-secondary) 12%,transparent)}}#problem-tools-root .index-reveal nav span{color:var(--preview-secondary);padding:11px 0}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .index-reveal nav span{color:color-mix(in srgb,var(--preview-secondary) 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.perspective-tiles{perspective:900px;grid-template-columns:repeat(3,1fr);gap:9px;width:min(88%,660px);display:grid}#problem-tools-root .perspective-tiles article{border:1px solid var(--preview-secondary);grid-template-rows:auto 1fr auto;min-height:110px;display:grid}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .perspective-tiles article{border:1px solid color-mix(in srgb,var(--preview-secondary) 14%,transparent)}}#problem-tools-root .perspective-tiles article{border-radius:var(--preview-radius);background:radial-gradient(circle at calc(20% + var(--item) * 13%) 20%,var(--preview-accent),transparent 42%),#101115;padding:10px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .perspective-tiles article{background:radial-gradient(circle at calc(20% + var(--item) * 13%) 20%,color-mix(in srgb,var(--preview-accent) calc(9% + var(--item) * 4%),transparent),transparent 42%),#101115}}#problem-tools-root .perspective-tiles 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red)){#problem-tools-root .editorial-stack article{border:1px solid color-mix(in srgb,var(--preview-secondary) 16%,transparent)}}#problem-tools-root .editorial-stack article{border-radius:var(--preview-radius);background:radial-gradient(circle at 80% 18%,var(--preview-accent),transparent 32%),#111216;padding:18px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .editorial-stack article{background:radial-gradient(circle at 80% 18%,color-mix(in srgb,var(--preview-accent) calc(8% + var(--item) * 7%),transparent),transparent 32%),#111216}}#problem-tools-root .editorial-stack article{transform:translate(calc((var(--item) - 1.5) * 9px),calc(var(--item) * -8px)) rotate(calc((var(--item) - 1.5) * 2deg)) translateZ(calc(var(--item) * -18px));animation:suite-stack calc(var(--preview-speed) * 5) ease-in-out infinite;animation-delay:calc(var(--item) * -1.1s)}#problem-tools-root .editorial-stack article small{color:var(--preview-accent)}#problem-tools-root .editorial-stack article strong{letter-spacing:-.09em;align-self:center;font-size:clamp(38px,7vw,76px)}#problem-tools-root .editorial-stack article p{color:var(--preview-secondary);margin:0}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .editorial-stack article p{color:color-mix(in srgb,var(--preview-secondary) 48%,transparent)}}#problem-tools-root .editorial-stack article p{font-size:9px}@keyframes suite-stack{50%{transform:translate(calc((var(--item) - 1.5) * 5px),calc(var(--item) * -11px - 7px)) rotate(calc((var(--item) - 1.5) * 1deg))}}#problem-tools-root .infinite-rail{gap:16px;width:100%;display:grid;overflow:hidden}#problem-tools-root .infinite-rail>div{width:max-content;animation:suite-rail calc(var(--preview-speed) * 11) linear infinite;gap:8px;display:flex}#problem-tools-root .infinite-rail article{border:1px solid var(--preview-secondary);grid-template-rows:auto 1fr;width:140px;height:190px;display:grid}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .infinite-rail article{border:1px solid color-mix(in srgb,var(--preview-secondary) 14%,transparent)}}#problem-tools-root .infinite-rail article{border-radius:var(--preview-radius);background:radial-gradient(circle at 72% 24%,var(--preview-accent),transparent 26%),#121318;padding:12px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .infinite-rail article{background:radial-gradient(circle at 72% 24%,color-mix(in srgb,var(--preview-accent) 24%,transparent),transparent 26%),#121318}}#problem-tools-root .infinite-rail article span{color:var(--preview-accent);font-family:var(--font-mono);font-size:7px}#problem-tools-root .infinite-rail article strong{align-self:end;font-size:17px}#problem-tools-root .infinite-rail>small{color:var(--preview-secondary);justify-self:end;margin-right:16px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .infinite-rail>small{color:color-mix(in srgb,var(--preview-secondary) 42%,transparent)}}#problem-tools-root .coordinate-reticle{position:absolute;inset:0}#problem-tools-root .coordinate-reticle>i{background:var(--preview-secondary);position:absolute}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .coordinate-reticle>i{background:color-mix(in srgb,var(--preview-secondary) 42%,transparent)}}#problem-tools-root .coordinate-reticle>i:first-child{top:0;bottom:0;left:var(--suite-x);width:1px}#problem-tools-root .coordinate-reticle>i:nth-child(2){left:0;right:0;top:var(--suite-y);height:1px}#problem-tools-root .coordinate-reticle>span{top:var(--suite-y);left:var(--suite-x);background:var(--preview-accent);color:#fff;width:18px;height:18px;font-family:var(--font-mono);border-radius:50%;place-items:center;font-size:9px;display:grid;position:absolute;transform:translate(-50%,-50%)}#problem-tools-root .coordinate-reticle strong{top:calc(var(--suite-y) + 14px);left:calc(var(--suite-x) + 12px);background:var(--preview-secondary);color:var(--preview-background);font-family:var(--font-mono);border-radius:2px;padding:5px 7px;font-size:7px;font-weight:500;position:absolute}#problem-tools-root .coordinate-reticle small{color:var(--preview-secondary);position:absolute;bottom:12px;right:14px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .coordinate-reticle small{color:color-mix(in srgb,var(--preview-secondary) 42%,transparent)}}#problem-tools-root .orbit-selector{place-items:center;width:min(86%,600px);min-height:300px;display:grid;position:relative}#problem-tools-root .orbit-selector figure{aspect-ratio:1;border:1px solid var(--preview-secondary);place-items:center;width:150px;margin:0;display:grid;overflow:hidden}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .orbit-selector figure{border:1px solid color-mix(in srgb,var(--preview-secondary) 18%,transparent)}}#problem-tools-root .orbit-selector figure{background:radial-gradient(circle 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small{color:color-mix(in srgb,var(--preview-secondary) 52%,transparent)}}#problem-tools-root .orbit-selector>div{position:absolute;inset:0}#problem-tools-root .orbit-selector button{border:1px solid var(--preview-secondary);width:42px;height:42px;position:absolute;top:50%;left:50%}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .orbit-selector button{border:1px solid color-mix(in srgb,var(--preview-secondary) 18%,transparent)}}#problem-tools-root .orbit-selector button{color:var(--preview-secondary);font-family:var(--font-mono);transform:translate(-50%,-50%) rotate(calc((var(--item) - 2.5) * 34deg)) translateY(-124px) rotate(calc((var(--item) - 2.5) * -34deg));background:#15161a;border-radius:50%;font-size:7px}#problem-tools-root .orbit-selector button:nth-child(3){border-color:var(--preview-accent);background:var(--preview-accent)}#problem-tools-root .magnetic-tabs{border:1px solid 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article{width:205px;height:160px;transform:translate3d(calc(-50% + var(--card-offset) * 96px),-50%,calc(var(--card-distance) * -100px)) rotateY(calc(var(--card-offset) * -14deg)) scale(calc(1 - var(--card-distance) * .14))}#problem-tools-root .html-metric-orbit{grid-template-columns:132px 1fr;gap:18px}#problem-tools-root .html-metric-orbit>div{width:132px}#problem-tools-root .html-metric-orbit>div strong{font-size:38px}#problem-tools-root .html-metric-orbit>article>strong{font-size:22px}#problem-tools-root .html-context-panel menu{right:0}#problem-tools-root .html-profile-cluster{grid-template-columns:110px 1fr;gap:15px}#problem-tools-root .html-profile-cluster>div button{width:62px;height:62px;left:calc((var(--person) % 2) * 38px)}#problem-tools-root .html-profile-cluster>article>strong{font-size:31px}#problem-tools-root .html-floating-tools button{width:50px}#problem-tools-root .html-floating-tools button[aria-pressed=true]{width:76px}}@media (pointer:coarse){#problem-tools-root 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small{color:var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .visual-tool__header small,#problem-tools-root .visual-tool__footer small{color:color-mix(in srgb, var(--tool-secondary) 42%, transparent)}}#problem-tools-root .visual-tool__header small,#problem-tools-root .visual-tool__footer small{font:inherit;white-space:nowrap}#problem-tools-root .visual-tool__footer>div{align-items:center;gap:14px;min-width:0;display:flex;overflow:hidden}#problem-tools-root .visual-tool__footer span{color:var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .visual-tool__footer span{color:color-mix(in srgb, var(--tool-secondary) 32%, transparent)}}#problem-tools-root .visual-tool__footer span{white-space:nowrap}#problem-tools-root .visual-tool__footer span.is-active{color:var(--tool-accent)}#problem-tools-root .visual-tool__footer span:before{content:"";vertical-align:1px;background:currentColor;border-radius:50%;width:4px;height:4px;margin-right:5px;display:inline-block}#problem-tools-root .visual-tool__stage{place-items:center;min-width:0;min-height:0;display:grid;position:relative;overflow:hidden}#problem-tools-root .tool-svg{width:100%;height:100%;position:absolute;inset:0;overflow:visible}#problem-tools-root .tool-svg path,#problem-tools-root .tool-svg line,#problem-tools-root .tool-svg circle,#problem-tools-root .tool-svg rect{vector-effect:non-scaling-stroke}#problem-tools-root .tool-axis{fill:none;stroke:var(--tool-secondary);stroke-dasharray:2 7;stroke-opacity:.28}#problem-tools-root .tool-tile-letter{background:radial-gradient(circle at var(--tool-px) var(--tool-py), var(--tool-accent), transparent 38%)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-tile-letter{background:radial-gradient(circle at var(--tool-px) var(--tool-py), color-mix(in srgb,var(--tool-accent) 12%,transparent), transparent 38%)}}#problem-tools-root .tool-tile-letter>g path{fill:none;stroke:var(--tool-secondary)}#problem-tools-root .tool-tile-letter text{transform-box:fill-box;transform-origin:50%;animation:tool-tile-breathe calc(var(--tool-speed) * 2.4) ease-in-out infinite alternate}@keyframes tool-tile-breathe{to{transform:scale(calc(.98 + var(--tool-intensity) * .035))}}#problem-tools-root .tool-pressure-type{isolation:isolate;place-items:center;width:min(88%,720px);display:grid;position:relative}#problem-tools-root .tool-pressure-type strong,#problem-tools-root .tool-pressure-type>span{max-width:100%;color:var(--tool-accent);letter-spacing:-.1em;text-align:center;text-wrap:balance;transform:scaleX(calc(.82 + var(--tool-density) * .13)) scaleY(calc(.86 + var(--tool-intensity) * .16));grid-area:1/1;font-size:clamp(54px,12vw,154px);font-weight:950;line-height:.75}#problem-tools-root .tool-pressure-type strong{z-index:2;text-shadow:0 2px 0 var(--tool-secondary), 0 5px 0 var(--tool-secondary), 0 9px 0 var(--tool-accent), 0 18px 28px #000000ad;position:relative}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-pressure-type strong{text-shadow:0 2px 0 color-mix(in srgb,var(--tool-secondary) 88%,var(--tool-background)), 0 5px 0 color-mix(in srgb,var(--tool-secondary) 68%,var(--tool-background)), 0 9px 0 color-mix(in srgb,var(--tool-accent) 36%,var(--tool-background)), 0 18px 28px #000000ad}}#problem-tools-root .tool-pressure-type strong{filter:drop-shadow(0 10px 16px #0000006b);animation:tool-pressure calc(var(--tool-speed) * 1.35) cubic-bezier(.4,0,.2,1) infinite alternate}#problem-tools-root .tool-pressure-type>span{opacity:.42;filter:blur(15px);transform:translateY(18px)scaleX(1.02)scaleY(.8)}#problem-tools-root .tool-pressure-type i{color:var(--tool-secondary);position:absolute;top:calc(100% + 24px)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-pressure-type i{color:color-mix(in srgb,var(--tool-secondary) 42%,transparent)}}#problem-tools-root .tool-pressure-type i{font-family:var(--font-mono);letter-spacing:.11em;font-size:7px;font-style:normal}#problem-tools-root .visual-tool[data-effect=pressure-type][data-mode="1"] .tool-pressure-type strong{filter:drop-shadow(0 20px 24px var(--tool-accent));border-radius:45%}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .visual-tool[data-effect=pressure-type][data-mode="1"] .tool-pressure-type strong{filter:drop-shadow(0 20px 24px color-mix(in srgb,var(--tool-accent) 36%,transparent))}}#problem-tools-root .visual-tool[data-effect=pressure-type][data-mode="2"] .tool-pressure-type strong{color:var(--tool-secondary);text-shadow:-4px -3px 0 var(--tool-accent), 4px 5px 0 var(--tool-accent), 0 18px 30px #000000b3}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .visual-tool[data-effect=pressure-type][data-mode="2"] .tool-pressure-type strong{text-shadow:-4px -3px 0 color-mix(in srgb,var(--tool-accent) 82%,var(--tool-background)), 4px 5px 0 color-mix(in srgb,var(--tool-accent) 36%,var(--tool-background)), 0 18px 30px #000000b3}}@keyframes tool-pressure{to{transform:translateY(-5px) scaleX(calc(.86 + var(--tool-density) * .13)) scaleY(calc(.92 + var(--tool-intensity) * .16))}}#problem-tools-root .tool-signal-extruder{fill:none;stroke:var(--tool-accent);stroke-linecap:round}#problem-tools-root .tool-signal-extruder line,#problem-tools-root .tool-signal-extruder path,#problem-tools-root .tool-signal-extruder rect{animation:tool-signal-shift calc(var(--tool-speed) * 2) ease-in-out infinite alternate;transform-origin:50%}#problem-tools-root .tool-signal-extruder circle{stroke:var(--tool-secondary);stroke-dasharray:2 5;stroke-opacity:.48}@keyframes tool-signal-shift{to{stroke-opacity:.42;transform:scale(calc(.99 + var(--tool-intensity) * .018))}}#problem-tools-root .tool-facet-type{place-items:center;width:min(92%,880px);display:grid}#problem-tools-root .tool-facet-type strong{max-width:100%;color:var(--tool-secondary);letter-spacing:-.095em;text-align:center;text-shadow:2px 2px 0 var(--tool-secondary), 5px 5px 0 var(--tool-accent), 8px 8px 0 var(--tool-secondary), 15px 18px 28px #000000b8;font-size:clamp(54px,12vw,154px);font-weight:950;line-height:.8;position:relative}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-facet-type strong{text-shadow:2px 2px 0 color-mix(in srgb,var(--tool-secondary) 42%,var(--tool-background)), 5px 5px 0 color-mix(in srgb,var(--tool-accent) 88%,var(--tool-background)), 8px 8px 0 color-mix(in srgb,var(--tool-secondary) 20%,var(--tool-background)), 15px 18px 28px #000000b8}}#problem-tools-root .tool-facet-type strong{transform:perspective(700px) rotateX(calc((var(--tool-py,50%) - 50%) * .05deg)) rotateY(calc((var(--tool-px,50%) - 50%) * .05deg))}#problem-tools-root .visual-tool[data-effect=facet-type][data-mode="1"] .tool-facet-type strong{color:var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .visual-tool[data-effect=facet-type][data-mode="1"] .tool-facet-type strong{color:color-mix(in srgb,var(--tool-secondary) 38%,var(--tool-background))}}#problem-tools-root .visual-tool[data-effect=facet-type][data-mode="1"] .tool-facet-type strong{text-shadow:-3px -3px 0 var(--tool-accent), 3px 3px 0 var(--tool-secondary), 12px 16px 28px #0000009e}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .visual-tool[data-effect=facet-type][data-mode="1"] .tool-facet-type strong{text-shadow:-3px -3px 0 color-mix(in srgb,var(--tool-accent) 72%,var(--tool-background)), 3px 3px 0 color-mix(in srgb,var(--tool-secondary) 42%,var(--tool-background)), 12px 16px 28px #0000009e}}#problem-tools-root .visual-tool[data-effect=facet-type][data-mode="2"] .tool-facet-type strong{color:var(--tool-accent);text-shadow:-5px -5px 0 #6c5ce7, 5px 5px 0 #3fd5c8, 11px 11px 0 var(--tool-background), 16px 20px 30px #0009}#problem-tools-root .tool-facet-type span{color:var(--tool-secondary);margin-top:34px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-facet-type span{color:color-mix(in srgb,var(--tool-secondary) 42%,transparent)}}#problem-tools-root .tool-facet-type span{font-family:var(--font-mono);letter-spacing:.1em;font-size:7px}#problem-tools-root .tool-refraction{fill:none;stroke:var(--tool-secondary);stroke-opacity:.34}#problem-tools-root .tool-refraction>path:last-child{fill:none;stroke:var(--tool-secondary);stroke-opacity:.2}#problem-tools-root .tool-refraction>path:nth-last-child(2){stroke:var(--tool-secondary);stroke-opacity:.62;stroke-width:1.3px;filter:drop-shadow(0 0 20px var(--tool-accent))}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-refraction>path:nth-last-child(2){filter:drop-shadow(0 0 20px color-mix(in srgb,var(--tool-accent) 38%,transparent))}}#problem-tools-root .tool-refraction g{transition:transform .12s linear}#problem-tools-root .tool-block-halftone g{transition:opacity .16s,transform .16s}#problem-tools-root .tool-block-halftone rect{fill:var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-block-halftone rect{fill:color-mix(in srgb,var(--tool-secondary) 14%,var(--tool-background))}}#problem-tools-root .tool-block-halftone rect{stroke:var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-block-halftone rect{stroke:color-mix(in srgb,var(--tool-secondary) 20%,transparent)}}#problem-tools-root .tool-block-halftone circle,#problem-tools-root .visual-tool[data-effect=block-halftone][data-mode="1"] .tool-block-halftone rect{fill:var(--tool-accent)}#problem-tools-root .visual-tool[data-effect=block-halftone][data-mode="1"] .tool-block-halftone circle{fill:var(--tool-background)}#problem-tools-root .visual-tool[data-effect=block-halftone][data-mode="2"] .tool-block-halftone rect{rx:0;fill:var(--tool-secondary)}#problem-tools-root .tool-path{fill:none}#problem-tools-root .tool-path .tool-metric-lines path{stroke:var(--tool-secondary);stroke-dasharray:2 8;stroke-opacity:.13}#problem-tools-root .tool-path .tool-handles path{stroke:var(--tool-accent);stroke-opacity:.55}#problem-tools-root .tool-path .tool-main-path{stroke:var(--tool-secondary);stroke-width:2.2px;filter:drop-shadow(0 0 10px var(--tool-accent))}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-path .tool-main-path{filter:drop-shadow(0 0 10px color-mix(in srgb,var(--tool-accent) 26%,transparent))}}#problem-tools-root .tool-path circle{fill:var(--tool-background);stroke:var(--tool-accent);stroke-width:1.4px}#problem-tools-root .tool-path text{fill:var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-path text{fill:color-mix(in srgb,var(--tool-secondary) 48%,transparent)}}#problem-tools-root .tool-path text{font-family:var(--font-mono);letter-spacing:.05em;font-size:8px}#problem-tools-root .tool-path .tool-path__bead{fill:var(--tool-accent);stroke:var(--tool-secondary)}#problem-tools-root .tool-frequency-type{justify-content:center;align-items:center;gap:clamp(0px,.35vw,5px);max-width:94%;display:flex;position:relative}#problem-tools-root .tool-frequency-type span{color:var(--tool-secondary);letter-spacing:-.08em;transform:scaleY(var(--level)) skewX(calc((var(--tool-px) - 50%) * .18));transform-origin:50% 72%;animation:tool-frequency calc(var(--tool-speed) * 1.4) ease-in-out infinite alternate;animation-delay:calc(var(--char) * -80ms);font-size:clamp(58px,13vw,168px);font-style:italic;font-weight:900;line-height:.75}#problem-tools-root .tool-frequency-type span:nth-child(3n){color:var(--tool-accent)}#problem-tools-root .tool-frequency-type i{background:repeating-linear-gradient(90deg, var(--tool-accent) 0 2px, transparent 2px 7px);clip-path:polygon(0 45%,5% 22%,10% 80%,15% 40%,20% 50%,25% 6%,30% 92%,35% 55%,40% 74%,45% 22%,50% 48%,55% 8%,60% 96%,65% 42%,70% 66%,75% 12%,80% 84%,85% 36%,90% 56%,95% 18%,100% 46%,100% 54%,0 54%);opacity:.72;height:28px;position:absolute;bottom:-34px;left:0;right:0}#problem-tools-root .visual-tool[data-effect=frequency-type][data-mode="2"] .tool-frequency-type span:nth-child(3n+1){color:#63d8cb}#problem-tools-root .visual-tool[data-effect=frequency-type][data-mode="2"] .tool-frequency-type span:nth-child(3n+2){color:#7366e8}@keyframes tool-frequency{to{transform:scaleY(calc(var(--level) * .78)) skewX(-5deg)}}#problem-tools-root .tool-depth-field{perspective:700px;place-items:center;display:grid;position:absolute;inset:0;overflow:hidden}#problem-tools-root .tool-depth-field strong{color:var(--tool-secondary);position:absolute}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-depth-field strong{color:color-mix(in srgb,var(--tool-secondary) 24%,transparent)}}#problem-tools-root .tool-depth-field strong{letter-spacing:-.09em;text-shadow:0 0 18px var(--tool-accent);font-size:clamp(48px,10vw,132px);font-weight:950;line-height:.78}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-depth-field strong{text-shadow:0 0 18px color-mix(in srgb,var(--tool-accent) 10%,transparent)}}#problem-tools-root .tool-depth-field strong{transform:translateZ(calc(var(--depth) * -24px)) translate(calc((var(--tool-px) - 50%) * var(--depth) * .012), calc((var(--tool-py) - 50%) * var(--depth) * .008));filter:blur(calc(var(--depth) * .4px))}#problem-tools-root .tool-depth-field strong:first-child{z-index:2;color:var(--tool-accent);text-shadow:3px 3px 0 var(--tool-secondary), 0 16px 30px #0000009e}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-depth-field strong:first-child{text-shadow:3px 3px 0 color-mix(in srgb,var(--tool-secondary) 48%,var(--tool-background)), 0 16px 30px #0000009e}}#problem-tools-root .tool-depth-field strong:first-child{filter:none}#problem-tools-root .tool-depth-field span{color:var(--tool-secondary);position:absolute;bottom:22px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-depth-field span{color:color-mix(in srgb,var(--tool-secondary) 42%,transparent)}}#problem-tools-root .tool-depth-field span{font-family:var(--font-mono);letter-spacing:.09em;font-size:7px}#problem-tools-root .tool-mark-transition{width:min(90%,720px)}#problem-tools-root .tool-mark-transition svg{width:100%;display:block;overflow:visible}#problem-tools-root .tool-mark-transition .mark-before{fill:none;stroke:var(--tool-secondary);stroke-width:11px;opacity:.24}#problem-tools-root .tool-mark-transition .mark-after{fill:var(--tool-accent);stroke:var(--tool-secondary);stroke-width:2px}#problem-tools-root .tool-mark-transition .mark-after rect,#problem-tools-root .tool-mark-transition .mark-after path{vector-effect:non-scaling-stroke}#problem-tools-root .tool-mark-transition .mark-divider{fill:none;stroke:var(--tool-secondary);stroke-dasharray:2 7;opacity:.68}#problem-tools-root .tool-mark-transition>span{color:var(--tool-secondary);position:absolute;bottom:22px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-mark-transition>span{color:color-mix(in srgb,var(--tool-secondary) 44%,transparent)}}#problem-tools-root .tool-mark-transition>span{font-family:var(--font-mono);letter-spacing:.09em;font-size:7px}#problem-tools-root .tool-mark-transition>span:first-of-type{left:22px}#problem-tools-root .tool-mark-transition>span:last-child{right:22px}#problem-tools-root .tool-mark-transition>span i{background:currentColor;border-radius:50%;width:5px;height:5px;margin-inline:5px;display:inline-block}#problem-tools-root .tool-dot-matrix{border:1px solid var(--tool-secondary);grid-template-rows:auto 1fr auto;align-items:center;width:min(88%,760px);min-height:220px;display:grid}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-dot-matrix{border:1px solid color-mix(in srgb,var(--tool-secondary) 18%,transparent)}}#problem-tools-root .tool-dot-matrix{background:radial-gradient(circle at var(--tool-px) var(--tool-py), var(--tool-accent), transparent 42%);padding:18px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-dot-matrix{background:radial-gradient(circle at var(--tool-px) var(--tool-py), color-mix(in srgb,var(--tool-accent) 20%,transparent), transparent 42%)}}#problem-tools-root .tool-dot-matrix small,#problem-tools-root .tool-dot-matrix span{color:var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-dot-matrix small,#problem-tools-root .tool-dot-matrix span{color:color-mix(in srgb,var(--tool-secondary) 42%,transparent)}}#problem-tools-root .tool-dot-matrix small,#problem-tools-root .tool-dot-matrix span{font-family:var(--font-mono);letter-spacing:.09em;font-size:7px}#problem-tools-root .tool-dot-matrix span{justify-self:end}#problem-tools-root .tool-dot-matrix strong{background:radial-gradient(circle, var(--tool-accent) 0 calc(1.4px * var(--tool-intensity)), transparent calc(1.7px * var(--tool-intensity))) 0 0 / calc(7px / var(--tool-density)) calc(7px / var(--tool-density));justify-self:center}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-dot-matrix strong{background:radial-gradient(circle, color-mix(in srgb,var(--tool-accent) 78%,white) 0 calc(1.4px * var(--tool-intensity)), transparent calc(1.7px * var(--tool-intensity))) 0 0 / calc(7px / var(--tool-density)) calc(7px / var(--tool-density))}}#problem-tools-root .tool-dot-matrix strong{color:#0000;letter-spacing:-.09em;filter:drop-shadow(0 0 12px var(--tool-accent));-webkit-background-clip:text;background-clip:text;font-size:clamp(58px,11vw,142px);font-weight:950;line-height:.8}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-dot-matrix strong{filter:drop-shadow(0 0 12px color-mix(in srgb,var(--tool-accent) 28%,transparent))}}#problem-tools-root .tool-dot-matrix--1 strong{background-image:linear-gradient(90deg,transparent 44%,var(--tool-accent) 45% 55%,transparent 56%),linear-gradient(transparent 44%,var(--tool-accent) 45% 55%,transparent 56%)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-dot-matrix--1 strong{background-image:linear-gradient(90deg,transparent 44%,color-mix(in srgb,var(--tool-accent) 82%,white) 45% 55%,transparent 56%),linear-gradient(transparent 44%,color-mix(in srgb,var(--tool-accent) 82%,white) 45% 55%,transparent 56%)}}#problem-tools-root .tool-dot-matrix--1 strong{background-size:calc(8px / var(--tool-density)) calc(8px / var(--tool-density))}#problem-tools-root .tool-dot-matrix--2 strong{text-shadow:2px 2px 0 var(--tool-accent), -2px -2px 0 var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-dot-matrix--2 strong{text-shadow:2px 2px 0 color-mix(in srgb,var(--tool-accent) 52%,transparent), -2px -2px 0 color-mix(in srgb,var(--tool-secondary) 20%,transparent)}}#problem-tools-root .tool-dot-matrix--2 strong{filter:drop-shadow(0 0 18px var(--tool-accent))}#problem-tools-root .tool-pulse-type{fill:none;stroke:var(--tool-accent)}#problem-tools-root .tool-pulse-type .pulse-ring{opacity:.22;animation:tool-pulse-ring calc(var(--tool-speed) * 1.5) ease-out infinite;animation-delay:calc(var(--ring) * -140ms);transform-box:fill-box;transform-origin:50%}#problem-tools-root .tool-pulse-type .pulse-ray{opacity:.34;stroke-dasharray:2 5}#problem-tools-root .tool-pulse-type text{fill:var(--tool-secondary);stroke:none}@keyframes tool-pulse-ring{0%{opacity:.5;transform:scale(.72)}to{opacity:.02;transform:scale(1.18)}}#problem-tools-root .tool-glyph-anatomy{fill:none}#problem-tools-root .tool-glyph-anatomy .tool-metric-lines path{stroke:var(--tool-secondary);stroke-dasharray:3 7;stroke-opacity:.24}#problem-tools-root .tool-glyph-anatomy .glyph-node circle{fill:var(--tool-background);stroke:var(--tool-accent)}#problem-tools-root .tool-glyph-anatomy text{fill:var(--tool-secondary)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-glyph-anatomy text{fill:color-mix(in srgb,var(--tool-secondary) 52%,transparent)}}#problem-tools-root .tool-glyph-anatomy text{font-family:var(--font-mono);font-size:8px}#problem-tools-root .tool-glyph-anatomy>text{fill:none;font-size:276px}#problem-tools-root .tool-glyph-anatomy .tool-glyph-labels text{fill:var(--tool-accent);letter-spacing:.08em}#problem-tools-root .tool-mercury-surface{background:radial-gradient(circle at var(--tool-px) var(--tool-py), var(--tool-accent), transparent 36%);place-items:center;display:grid;position:absolute;inset:0;overflow:hidden}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-mercury-surface{background:radial-gradient(circle at var(--tool-px) var(--tool-py), color-mix(in srgb,var(--tool-accent) 22%,transparent), transparent 36%)}}#problem-tools-root .tool-mercury-surface strong{z-index:2;background:linear-gradient(115deg,#111 4%,#fafafa 15%,#5b5b5b 24%,#fff 34%,var(--tool-accent) 47%,#202020 58%,#f7f7f7 70%,#555 82%,#fff 94%);color:#0000;letter-spacing:-.1em;filter:drop-shadow(0 18px 18px #000000b3);max-width:94%;animation:tool-mercury calc(var(--tool-speed) * 2.2) ease-in-out infinite alternate;background-size:230% 100%;-webkit-background-clip:text;background-clip:text;font-size:clamp(58px,12vw,156px);font-weight:950;line-height:.78;position:relative}#problem-tools-root .tool-mercury-surface>i{aspect-ratio:1.5;background:linear-gradient(125deg,#eee,#222 28%,var(--tool-accent) 52%,#fff 66%,#111);opacity:.42;filter:blur(7px);mix-blend-mode:screen;border-radius:42% 58% 65% 35%/52% 34% 66% 48%;width:clamp(80px,17vw,190px);position:absolute}#problem-tools-root .tool-mercury-surface>i:first-of-type{top:20%;left:15%;transform:rotate(18deg)}#problem-tools-root .tool-mercury-surface>i:nth-of-type(2){bottom:17%;right:11%;transform:rotate(-28deg)}#problem-tools-root .tool-mercury-surface>i:nth-of-type(3){top:12%;right:28%;scale:.55}#problem-tools-root .tool-mercury-surface span{color:var(--tool-secondary);position:absolute;bottom:22px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .tool-mercury-surface span{color:color-mix(in srgb,var(--tool-secondary) 42%,transparent)}}#problem-tools-root .tool-mercury-surface span{font-family:var(--font-mono);letter-spacing:.1em;font-size:7px}#problem-tools-root .visual-tool[data-effect=mercury-surface][data-mode="2"] .tool-mercury-surface strong{background:linear-gradient(110deg,#000,var(--tool-accent),#f5f5f5,#080808);background-size:230% 100%;-webkit-background-clip:text;background-clip:text}@keyframes tool-mercury{to{transform:scaleX(calc(.98 + var(--tool-intensity) * .03));background-position:100% 0}}#problem-tools-root .tool-cell-type{fill:none}#problem-tools-root .tool-cell-type 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.mobile-nav-drawer-wrap{z-index:320;isolation:isolate;width:100%;max-width:100%;position:fixed;inset:0;overflow:hidden}#problem-tools-root .mobile-nav-drawer-backdrop{z-index:0;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#000000b8;border:0;width:100%;height:100%;padding:0;position:absolute;inset:0}#problem-tools-root .mobile-nav-drawer{z-index:1;border-right:1px solid var(--pt-border);background:var(--pt-bg-alt);grid-template-rows:auto minmax(0,1fr) auto;width:min(352px,100% - 16px);max-width:100%;height:100dvh;min-height:100%;animation:.22s cubic-bezier(.16,1,.3,1) both tools-sheet-in-left;display:grid;position:relative;overflow:hidden;box-shadow:24px 0 70px #00000094}#problem-tools-root .mobile-nav-drawer__header{min-width:0;min-height:calc(72px + env(safe-area-inset-top));border-bottom:1px solid var(--pt-border-soft);padding:env(safe-area-inset-top) 14px 0;justify-content:space-between;align-items:center;gap:16px;display:flex}#problem-tools-root .mobile-nav-drawer__header .brand{min-width:0}#problem-tools-root .mobile-nav-drawer__header>button{flex:none;display:grid}#problem-tools-root .mobile-navigation{overscroll-behavior:contain;min-width:0;padding:16px 14px;overflow:hidden auto}#problem-tools-root .mobile-navigation a{border-bottom:1px solid var(--pt-border-soft);min-width:0;min-height:62px;color:var(--pt-muted);border-radius:6px;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:14px;padding:0 14px;display:grid}#problem-tools-root .mobile-navigation a:first-child{border-top:1px solid var(--pt-border-soft)}#problem-tools-root .mobile-navigation a span{color:var(--pt-red-bright);font-family:var(--font-mono);letter-spacing:.08em;font-size:8px}#problem-tools-root .mobile-navigation a .mobile-navigation__noggle-mark{letter-spacing:-.13em;white-space:nowrap;font-size:7px;font-weight:750}#problem-tools-root .mobile-navigation a strong{text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:700;overflow:hidden}#problem-tools-root .mobile-navigation a:hover,#problem-tools-root .mobile-navigation a[aria-current=page]{background:var(--pt-strong);color:var(--pt-text)}#problem-tools-root .mobile-nav-drawer__footer{border-top:1px solid var(--pt-border-soft);min-width:0;padding:14px 14px max(14px, env(safe-area-inset-bottom));grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;display:grid}#problem-tools-root .mobile-nav-drawer__footer p{min-width:0;color:var(--pt-muted);margin:0;font-size:9px;line-height:1.45}#problem-tools-root .mobile-nav-drawer__footer a,#problem-tools-root .mobile-nav-drawer__footer button{border:1px solid var(--pt-border);background:var(--pt-raised);min-height:42px;color:var(--pt-text);cursor:pointer;border-radius:6px;align-items:center;padding:0 13px;font-family:inherit;font-size:10px;font-weight:750;display:inline-flex}#problem-tools-root .auth-layer{z-index:700;isolation:isolate;place-items:center;width:100%;max-width:100%;padding:20px;display:grid;position:fixed;inset:0;overflow:hidden}#problem-tools-root .auth-backdrop{z-index:0;cursor:default;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#000000c7;border:0;width:100%;height:100%;padding:0;animation:.18s both auth-fade-in;position:absolute;inset:0}#problem-tools-root .auth-dialog{z-index:1;border:1px solid var(--pt-border);background:#111113;border-radius:12px;width:min(100%,470px);max-width:100%;max-height:min(760px,100dvh - 40px);animation:.24s cubic-bezier(.16,1,.3,1) both auth-dialog-in;position:relative;overflow:hidden auto;box-shadow:0 32px 90px #000000a6,inset 0 1px #ffffff09}#problem-tools-root .auth-dialog__header{border-bottom:1px solid var(--pt-border-soft);justify-content:space-between;align-items:center;gap:16px;min-height:58px;padding:0 16px 0 20px;display:flex}#problem-tools-root .auth-dialog__header>span{color:var(--pt-red-bright);font-family:var(--font-mono);letter-spacing:.1em;font-size:8px}#problem-tools-root .auth-dialog__header>button{border:1px solid var(--pt-border-soft);background:var(--pt-surface);width:38px;height:38px;color:var(--pt-muted);cursor:pointer;border-radius:6px;place-items:center;padding:0;display:grid}#problem-tools-root .auth-dialog__header svg{width:17px;height:17px}#problem-tools-root .auth-dialog__header path{fill:none;stroke:currentColor;stroke-linecap:round;stroke-width:1.4px}#problem-tools-root .auth-dialog__body{gap:20px;padding:26px;display:grid}#problem-tools-root .auth-dialog__intro{grid-template-columns:42px minmax(0,1fr);align-items:start;gap:15px;display:grid}#problem-tools-root .auth-dialog__intro>i{background:var(--pt-red);border-radius:7px;justify-content:center;align-items:flex-end;gap:3px;width:42px;height:42px;padding:9px;display:flex}#problem-tools-root .auth-dialog__intro>i span{background:#fff;border-radius:1px;width:4px}#problem-tools-root .auth-dialog__intro>i span:first-child{height:9px}#problem-tools-root .auth-dialog__intro>i span:nth-child(2){height:16px}#problem-tools-root .auth-dialog__intro>i span:nth-child(3){height:23px}#problem-tools-root .auth-dialog h2{letter-spacing:-.055em;margin:0;font-size:27px;font-weight:820;line-height:1.02}#problem-tools-root .auth-dialog__intro p,#problem-tools-root .auth-dialog__verify>div>p{color:var(--pt-muted);margin:8px 0 0;font-size:11px;line-height:1.65}#problem-tools-root .auth-dialog form{min-width:0;margin:0}#problem-tools-root .auth-google,#problem-tools-root .auth-email-form button,#problem-tools-root .auth-code-form button{border:1px solid var(--pt-border);color:#111;cursor:pointer;background:#f2f2f0;border-radius:7px;justify-content:center;align-items:center;gap:9px;width:100%;min-height:48px;padding:0 14px;font-family:inherit;font-size:10px;font-weight:780;display:flex}#problem-tools-root .auth-google>span{color:#202124;background:#fff;border:1px solid #d4d4d4;border-radius:50%;place-items:center;width:22px;height:22px;font-size:11px;font-weight:850;display:grid}#problem-tools-root .auth-google:disabled,#problem-tools-root .auth-email-form button:disabled,#problem-tools-root .auth-code-form button:disabled,#problem-tools-root .auth-resend:disabled{cursor:not-allowed;opacity:.45}#problem-tools-root .auth-divider{color:#66666a;font-family:var(--font-mono);letter-spacing:.1em;place-items:center;font-size:7px;display:grid;position:relative}#problem-tools-root .auth-divider:before{content:"";background:var(--pt-border-soft);inset-inline:0;height:1px;position:absolute;top:50%}#problem-tools-root .auth-divider span{background:#111113;padding:0 10px;position:relative}#problem-tools-root .auth-email-form,#problem-tools-root .auth-code-form{gap:9px;display:grid}#problem-tools-root .auth-email-form>label,#problem-tools-root .auth-code-form>label{color:var(--pt-text-2);font-size:9px;font-weight:720}#problem-tools-root .auth-email-form>div{grid-template-columns:minmax(0,1fr) auto;gap:7px;display:grid}#problem-tools-root .auth-email-form input,#problem-tools-root .auth-code-form input{border:1px solid var(--pt-border);background:var(--pt-surface);width:100%;min-width:0;min-height:48px;color:var(--pt-text);border-radius:7px;outline:none;padding:0 13px;font-family:inherit;font-size:16px}#problem-tools-root .auth-email-form input:focus,#problem-tools-root .auth-code-form input:focus{border-color:var(--pt-red);box-shadow:0 0 0 3px var(--pt-red-soft)}#problem-tools-root .auth-email-form button{border-color:var(--pt-red);background:var(--pt-red);color:#fff;width:auto;min-width:112px}#problem-tools-root .auth-dialog__body>small{color:#6f6f72;font-size:8px;line-height:1.65}#problem-tools-root .auth-message{border-left:2px solid var(--pt-green);color:var(--pt-text-2);background:#5c9f7914;margin:-4px 0 0;padding:9px 11px;font-size:9px;line-height:1.55}#problem-tools-root .auth-message--error{border-left-color:var(--pt-red);background:var(--pt-red-soft)}#problem-tools-root .auth-dialog__verify>div>span{color:var(--pt-red-bright);font-family:var(--font-mono);letter-spacing:.1em;margin-bottom:10px;font-size:8px;display:block}#problem-tools-root .auth-dialog__verify strong{color:var(--pt-text-2)}#problem-tools-root .auth-back-link,#problem-tools-root .auth-resend{width:max-content;color:var(--pt-muted);cursor:pointer;background:0 0;border:0;padding:0;font-family:inherit;font-size:9px;font-weight:720}#problem-tools-root .auth-back-link{align-items:center;gap:5px;display:inline-flex}#problem-tools-root .auth-code-form input{text-align:center;font-family:var(--font-mono);letter-spacing:.22em;font-size:28px;font-weight:750}#problem-tools-root .auth-code-form button{border-color:var(--pt-red);background:var(--pt-red);color:#fff}#problem-tools-root .auth-resend{justify-self:center;min-height:36px}#problem-tools-root .auth-dialog__verify{animation:.22s cubic-bezier(.16,1,.3,1) both auth-step-in}#problem-tools-root .auth-account>div:first-child>span{color:var(--pt-green);font-family:var(--font-mono);letter-spacing:.1em;margin-bottom:10px;font-size:8px;display:block}#problem-tools-root .auth-account>div:first-child>p{color:var(--pt-muted);margin:9px 0 0;font-size:11px;line-height:1.65}#problem-tools-root .auth-account__identity{border:1px solid var(--pt-border-soft);background:var(--pt-surface);border-radius:8px;grid-template-columns:46px minmax(0,1fr);align-items:center;gap:13px;min-width:0;padding:13px;display:grid}#problem-tools-root .auth-account__identity>b{background:var(--pt-red);color:#fff;letter-spacing:.02em;border-radius:50%;place-items:center;width:46px;height:46px;font-size:12px;display:grid}#problem-tools-root .auth-account__identity>div{gap:4px;min-width:0;display:grid}#problem-tools-root .auth-account__identity strong{color:var(--pt-text);text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}#problem-tools-root .auth-account__identity span{color:var(--pt-muted);font-family:var(--font-mono);letter-spacing:.08em;font-size:7px}#problem-tools-root .auth-account__signout{border:1px solid var(--pt-border);background:var(--pt-raised);width:100%;min-height:46px;color:var(--pt-text);cursor:pointer;border-radius:7px;font-size:10px;font-weight:750}#problem-tools-root .auth-account__cms{background:var(--pt-red-soft);min-height:54px;color:var(--pt-text);border:1px solid #d3534a61;border-radius:7px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px 12px;padding:11px 13px;display:grid}#problem-tools-root .auth-account__cms>span{color:var(--pt-red-bright);font:700 7px/1 var(--font-mono);letter-spacing:.1em;grid-column:1}#problem-tools-root .auth-account__cms>strong{grid-column:1;font-size:10px}#problem-tools-root .auth-account__cms>svg{grid-area:1/2/3;width:14px;height:14px}#problem-tools-root .auth-account__cms:hover{border-color:var(--pt-red-bright);background:#d3534a33}#problem-tools-root .auth-account__signout:hover{border-color:var(--pt-red);background:var(--pt-red)}@keyframes auth-fade-in{0%{opacity:0}}@keyframes auth-dialog-in{0%{opacity:0;transform:translateY(12px)scale(.98)}}@keyframes auth-step-in{0%{opacity:0;transform:translate(12px)}}@keyframes tools-sheet-in-left{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:translate(0)}}#problem-tools-root .eyebrow{color:var(--pt-red-bright);letter-spacing:.14em;margin:0;font-size:10px;font-weight:800}#problem-tools-root .library-intro{width:var(--pt-page);grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);align-items:end;gap:80px;margin:0 auto;padding:68px 0 54px;display:grid}#problem-tools-root .library-intro h1{letter-spacing:-.07em;margin:20px 0 0;font-size:clamp(54px,7vw,110px);font-weight:850;line-height:.86}#problem-tools-root .library-intro__copy>p{max-width:610px;color:var(--pt-text-2);letter-spacing:-.025em;margin-bottom:28px;font-size:clamp(15px,1.5vw,20px);font-weight:500;line-height:1.45}#problem-tools-root .library-intro__copy>div{border-top:1px solid var(--pt-border-soft);flex-wrap:wrap;gap:18px;padding-top:16px;display:flex}#problem-tools-root .library-intro__copy span{color:var(--pt-muted);font-family:var(--font-mono);letter-spacing:.08em;font-size:9px}#problem-tools-root .library-shell{width:var(--pt-page);border:1px solid var(--pt-border);background:var(--pt-bg-alt);margin:0 auto 96px;display:block}#problem-tools-root .search-field{min-width:0;display:grid;position:relative}#problem-tools-root .search-field>span{clip:rect(0, 0, 0, 0);width:1px;height:1px;position:absolute;overflow:hidden}#problem-tools-root .search-field input{border:1px solid var(--pt-border);background:var(--pt-surface);width:100%;min-height:44px;color:var(--pt-text);border-radius:6px;outline:0;padding:0 36px 0 12px;font-size:10px;font-weight:600}#problem-tools-root .search-field input:focus{border-color:var(--pt-red);box-shadow:0 0 0 3px var(--pt-red-soft)}#problem-tools-root .search-field kbd{border:1px solid var(--pt-border);min-width:24px;min-height:24px;color:var(--pt-muted);background:var(--pt-raised);font-family:var(--font-mono);border-radius:4px;place-items:center;font-size:9px;display:grid;position:absolute;top:10px;right:9px}#problem-tools-root .library-content{min-width:0}#problem-tools-root .library-toolbar{border-bottom:1px solid var(--pt-border);grid-template-columns:minmax(160px,.55fr) minmax(260px,1fr) auto;align-items:center;gap:18px;min-height:88px;padding:14px 18px;display:grid}#problem-tools-root .library-toolbar__summary{gap:2px;display:grid}#problem-tools-root .library-toolbar p{color:var(--pt-red-bright);font-family:var(--font-mono);letter-spacing:.1em;margin:0;font-size:8px}#problem-tools-root .library-toolbar strong{font-size:12px;font-weight:700}#problem-tools-root .library-toolbar .library-toolbar__search{min-width:0;display:grid}#problem-tools-root .library-toolbar__controls{justify-content:flex-end;align-items:center;gap:12px;display:flex}#problem-tools-root .library-toolbar__controls>label,#problem-tools-root .library-sort-nav{align-items:center;gap:8px;display:flex}#problem-tools-root .library-toolbar__controls label{color:var(--pt-muted);text-transform:uppercase;font-size:9px;font-weight:700}#problem-tools-root .library-toolbar select{border:1px solid var(--pt-border);background:var(--pt-surface);border-radius:5px;max-width:160px;min-height:40px;padding:0 32px 0 11px;font-size:10px;font-weight:650}#problem-tools-root .catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}#problem-tools-root .catalog-card{content-visibility:auto;contain-intrinsic-size:520px;border-right:1px solid var(--pt-border);border-bottom:1px solid var(--pt-border);background:var(--pt-surface);min-width:0}#problem-tools-root .catalog-card:nth-child(3n){border-right:0}#problem-tools-root .catalog-preview-link{border-bottom:1px solid var(--pt-border-soft);display:block;position:relative;overflow:hidden}#problem-tools-root .catalog-preview-hit{z-index:5;position:absolute;inset:0}#problem-tools-root .catalog-preview-hit:focus-visible{outline:2px solid var(--pt-red-bright);outline-offset:-3px}#problem-tools-root .catalog-index{border:1px solid var(--pt-border-soft);min-width:28px;min-height:24px;color:var(--pt-muted);font-family:var(--font-mono);pointer-events:none;z-index:6;background:#090909c7;border-radius:4px;place-items:center;font-size:8px;display:grid;position:absolute;top:12px;left:12px}#problem-tools-root .catalog-runtime{border:1px solid var(--pt-border-soft);color:var(--pt-muted);font-family:var(--font-mono);letter-spacing:.06em;pointer-events:none;z-index:6;background:#090909c7;border-radius:4px;padding:5px 7px;font-size:7px;position:absolute;top:12px;right:12px}#problem-tools-root .catalog-card__body{padding:17px;display:grid}#problem-tools-root .catalog-card__meta,#problem-tools-root .catalog-card__foot{justify-content:space-between;align-items:center;gap:12px;display:flex}#problem-tools-root .catalog-card__meta>span{color:var(--pt-red-bright);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:8px}#problem-tools-root .catalog-card__meta button{border:1px solid var(--pt-border-soft);width:32px;height:32px;color:var(--pt-muted);cursor:pointer;background:0 0;border-radius:5px}#problem-tools-root .catalog-card__meta button.saved{border-color:var(--pt-red);color:var(--pt-red-bright);background:var(--pt-red-soft)}#problem-tools-root .catalog-card h2{letter-spacing:-.04em;margin:18px 0 7px;font-size:18px;font-weight:750}#problem-tools-root .catalog-card a>p{min-height:55px;color:var(--pt-muted);margin-bottom:18px;font-size:10px;line-height:1.65}#problem-tools-root .catalog-card__foot{border-top:1px solid var(--pt-border-soft);padding-top:12px}#problem-tools-root .catalog-card__foot>div{align-items:center;gap:8px;display:flex}#problem-tools-root .catalog-card__foot>div>small{color:var(--pt-muted);font-family:var(--font-mono);font-size:7px}#problem-tools-root .catalog-card__foot>a{color:var(--pt-text-2);align-items:center;gap:5px;font-size:9px;font-weight:700;display:inline-flex}#problem-tools-root .catalog-card__foot>a:hover{color:var(--pt-red-bright)}#problem-tools-root .state{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;align-items:center;gap:6px;padding:4px 8px;font-size:7px;display:inline-flex}#problem-tools-root .state:before{content:"";background:currentColor;border-radius:50%;width:5px;height:5px}#problem-tools-root .state--ready{color:var(--pt-green);background:#6ee7a617}#problem-tools-root .state--beta{color:#ffc766;background:#ffc76617}#problem-tools-root .empty-state{text-align:center;place-content:center;justify-items:center;min-height:520px;padding:40px;display:grid}#problem-tools-root .empty-state>span{color:var(--pt-red-bright);letter-spacing:.12em;font-size:9px;font-weight:800}#problem-tools-root .empty-state h2{margin:14px 0 24px;font-size:26px}#problem-tools-root .empty-state button{background:var(--pt-red);cursor:pointer;border-radius:6px;min-height:44px;padding:0 16px;font-size:11px;font-weight:750}#problem-tools-root .demo-preview{background:var(--preview-background,#0b0b0b);min-height:520px;color:var(--preview-secondary,var(--pt-text));font-family:var(--preview-font,"Montserrat Variable", Montserrat, Arial, 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calc(var(--premium-speed) * 1.5) steps(2,end) infinite;animation-delay:calc(var(--item) * 55ms);font-style:normal;position:relative}#problem-tools-root .decrypt-action>span{z-index:2;color:var(--premium-accent);position:relative}@keyframes decrypt-sweep{to{transform:translate(120%)}}@keyframes decrypt-letter{0%,12%{color:var(--premium-accent);filter:blur(2px);transform:translateY(-3px)}24%,to{color:inherit;filter:none;transform:none}}#problem-tools-root .pressure-key{transform-style:preserve-3d;perspective:700px;justify-items:center;display:grid;position:relative;transform:translateY(-4px)rotateX(4deg)rotateY(-5deg)}#problem-tools-root .pressure-key>div{z-index:2;width:190px;height:112px;box-shadow:inset 0 1px #ffffff1f, 0 14px 0 #050505, 0 22px 35px #000000b3, 0 20px 45px var(--premium-accent);background:linear-gradient(145deg,#262626,#0d0d0d);border:1px solid #383838;border-radius:12px;grid-template:auto 1fr/1fr auto;padding:17px;display:grid;position:relative}@supports 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span{color:var(--premium-accent)}#problem-tools-root .pressure-key em{margin-top:28px}#problem-tools-root .orbit-action{border:1px solid var(--pt-border);border-radius:50%;place-items:center;width:174px;height:174px;display:grid;position:relative}#problem-tools-root .orbit-action:before,#problem-tools-root .orbit-action:after{border:1px dashed var(--premium-accent);position:absolute;inset:12px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .orbit-action:before,#problem-tools-root .orbit-action:after{border:1px dashed color-mix(in srgb,var(--premium-accent) 35%,transparent)}}#problem-tools-root .orbit-action:before,#problem-tools-root .orbit-action:after{content:"";animation:orbit calc(var(--premium-speed) * 4) linear infinite;border-radius:50%}#problem-tools-root .orbit-action:after{opacity:.4;animation-direction:reverse;inset:27px}#problem-tools-root .orbit-action>span{max-width:70px;font-size:11px;font-weight:800;line-height:1.15}#problem-tools-root .orbit-action>strong{color:var(--premium-accent);font-size:20px}#problem-tools-root .orbit-action>i{background:var(--premium-accent);transform-origin:4px 91px;width:8px;height:8px;animation:orbit calc(var(--premium-speed) * 2.3) linear infinite;border-radius:50%;position:absolute;top:-4px;left:calc(50% - 4px)}#problem-tools-root .orbit-action>i:nth-of-type(2){animation-delay:calc(var(--premium-speed) * -1.1);opacity:.45}#problem-tools-root .orbit-action small{color:var(--pt-muted);position:absolute;bottom:-25px}#problem-tools-root .pixel-unfold-pro{aspect-ratio:1.45;border:1px solid var(--pt-border);background:#111;width:min(78%,380px);position:relative;overflow:hidden}#problem-tools-root .pixel-unfold-pro>div{grid-template-columns:repeat(10,1fr);display:grid;position:absolute;inset:0}#problem-tools-root .pixel-unfold-pro>div i{background:var(--premium-accent)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .pixel-unfold-pro>div i{background:color-mix(in srgb,var(--premium-accent) var(--tile-tone),#111)}}#problem-tools-root .pixel-unfold-pro>div i{animation:pixel-unfold calc(var(--premium-speed) * 2.3) steps(1,end) infinite alternate;animation-delay:calc(var(--item) * 17ms)}#problem-tools-root .pixel-unfold-pro>strong{z-index:3;letter-spacing:-.07em;font-size:26px;position:absolute;bottom:17px;left:16px}#problem-tools-root .pixel-unfold-pro>small{z-index:3;color:#fff;position:absolute;top:12px;right:12px}@keyframes pixel-unfold{0%,18%{opacity:.04;transform:scale(.72)}58%,to{opacity:1;transform:scale(1)}}#problem-tools-root .magnifier-frame{aspect-ratio:1.55;border:1px solid var(--pt-border);width:min(82%,400px);position:relative;overflow:hidden}#problem-tools-root .magnifier-frame__art{background:radial-gradient(circle at 30% 30%,var(--premium-accent),transparent 38%), repeating-linear-gradient(135deg,#181818 0 22px,#0b0b0b 22px 44px);place-items:center;display:grid;position:absolute;inset:0}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .magnifier-frame__art{background:radial-gradient(circle at 30% 30%,color-mix(in srgb,var(--premium-accent) 35%,transparent),transparent 38%), repeating-linear-gradient(135deg,#181818 0 22px,#0b0b0b 22px 44px)}}#problem-tools-root .magnifier-frame__art i{border:1px solid #ffffff29;border-radius:50%;position:absolute}#problem-tools-root .magnifier-frame__art i:first-child{aspect-ratio:1;width:60%}#problem-tools-root .magnifier-frame__art i:nth-child(2){aspect-ratio:1;width:38%}#problem-tools-root .magnifier-frame__art i:nth-child(3){aspect-ratio:1;background:var(--premium-accent);width:16%}#problem-tools-root .magnifier-frame__art span{letter-spacing:-.1em;mix-blend-mode:difference;font-size:44px;font-weight:900}#problem-tools-root .magnifier-frame__lens{top:var(--premium-y);left:var(--premium-x);background:radial-gradient(circle,var(--premium-accent),#080808 68%);border:1px solid #ffffff70;border-radius:50%;place-items:center;width:104px;height:104px;display:grid;position:absolute;overflow:hidden}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .magnifier-frame__lens{background:radial-gradient(circle,color-mix(in srgb,var(--premium-accent) 46%,#222),#080808 68%)}}#problem-tools-root .magnifier-frame__lens{transform:translate(-50%,-50%);box-shadow:inset 0 0 24px #ffffff1a,0 14px 34px #0009}#problem-tools-root .magnifier-frame__lens span{letter-spacing:-.1em;font-size:25px;font-weight:900;transform:scale(1.35)}#problem-tools-root .magnifier-frame>small{color:#fff;position:absolute;bottom:8px;right:9px}#problem-tools-root .sticker-peel-pro{perspective:700px;width:220px;height:190px;transform:translate3d(calc(var(--premium-dx) + var(--gesture-x-soft)),calc(var(--premium-dy) + var(--gesture-y-soft)),0);will-change:transform;place-items:center;transition:transform .22s cubic-bezier(.16,1,.3,1);display:grid;position:relative}#problem-tools-root .demo-preview.is-dragging .sticker-peel-pro{transition-duration:45ms;transition-timing-function:linear}#problem-tools-root .sticker-peel-pro>div{z-index:2;background:var(--premium-accent);color:#fff;width:150px;height:150px;transform:rotate(var(--gesture-peel-rotate)) rotateX(var(--gesture-peel-tilt)) scale(var(--gesture-peel-scale));transform-origin:100% 100%;will-change:transform;border-radius:22% 22% 34%;place-items:center;transition:transform .62s cubic-bezier(.16,1,.3,1),box-shadow .62s cubic-bezier(.16,1,.3,1);display:grid;position:relative;box-shadow:0 22px 34px #0000007a}#problem-tools-root .demo-preview.is-pressing .sticker-peel-pro>div{box-shadow:-18px 30px 45px #00000094}#problem-tools-root .sticker-peel-pro>div:after{width:var(--gesture-curl-size);height:var(--gesture-curl-size);content:"";transform-origin:100% 100%;transform:rotateY(var(--gesture-curl-rotate));background:linear-gradient(135deg,#fffffff5,#aaa 52%,#555);border-radius:68% 0 0;transition:width .62s cubic-bezier(.16,1,.3,1),height .62s cubic-bezier(.16,1,.3,1),transform .62s cubic-bezier(.16,1,.3,1);position:absolute;bottom:0;right:0;box-shadow:-10px -10px 18px #00000038}#problem-tools-root .sticker-peel-pro>i{z-index:1;filter:blur(12px);width:94px;height:38px;opacity:calc(.35 + var(--gesture-hold) * .45);transform:translate3d(calc(var(--gesture-x-soft) * -1),calc(8px - var(--gesture-y-soft)),0) rotate(-12deg);background:#0000009e;border-radius:50%;transition:opacity .42s,transform .62s cubic-bezier(.16,1,.3,1);position:absolute;bottom:23px;right:25px}#problem-tools-root .sticker-peel-pro strong{letter-spacing:-.1em;font-size:72px}#problem-tools-root .sticker-peel-pro small{position:absolute;top:13px;left:14px}#problem-tools-root .sticker-peel-pro span{font-family:var(--font-mono);font-size:6px;position:absolute;bottom:13px;left:14px}#problem-tools-root .sticker-peel-pro em{color:var(--pt-muted);position:absolute;bottom:-2px}#problem-tools-root .glass-curl{aspect-ratio:1.55;border:1px solid var(--pt-border);width:min(82%,410px);position:relative;overflow:hidden}#problem-tools-root .glass-curl>div{background:repeating-linear-gradient(45deg,#131313 0 20px,#090909 20px 40px);place-items:center;display:grid;position:absolute;inset:0}#problem-tools-root .glass-curl>div:nth-child(2){width:var(--premium-x);background:radial-gradient(circle at 25% 40%,var(--premium-accent),transparent 36%),#111;border-right:1px solid #ffffff80;overflow:hidden}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .glass-curl>div:nth-child(2){background:radial-gradient(circle at 25% 40%,color-mix(in srgb,var(--premium-accent) 58%,transparent),transparent 36%),#111}}#problem-tools-root .glass-curl>div:nth-child(2){box-shadow:12px 0 28px #00000080}#problem-tools-root .glass-curl>div:nth-child(2):after{content:"";filter:blur(1px);background:linear-gradient(90deg,#ffffff05,#ffffff38,#ffffff0a);width:34px;height:100%;position:absolute;top:0;right:-16px;transform:skew(-5deg)}#problem-tools-root .glass-curl strong{letter-spacing:-.09em;font-size:50px}#problem-tools-root .glass-curl small{color:var(--pt-muted);position:absolute;top:12px;left:12px}#problem-tools-root .glass-curl>span{z-index:4;color:#fff;font-family:var(--font-mono);font-size:7px;position:absolute;bottom:9px;right:10px}#problem-tools-root .swipe-deck{perspective:900px;width:250px;height:190px;position:relative}#problem-tools-root .swipe-deck article{transform:translateX(calc((var(--item) - 1.5) * 17px + var(--gesture-card-x))) translateY(calc(var(--item) * -7px)) rotate(calc((var(--item) - 1.5) * 4deg));will-change:transform;background:linear-gradient(145deg,#202020,#0b0b0b);border:1px solid #343434;border-radius:9px;align-content:space-between;padding:16px;transition:transform .42s cubic-bezier(.16,1,.3,1),border-color .22s,background-color .22s;display:grid;position:absolute;inset:0;box-shadow:0 18px 34px #00000057}#problem-tools-root .demo-preview:hover .swipe-deck article{transform:translateX(calc((var(--item) - 1.5) * 36px + var(--gesture-card-x))) translateY(calc(var(--item) * -10px)) rotate(calc((var(--item) - 1.5) * 8deg))}#problem-tools-root .demo-preview.is-dragging .swipe-deck article{transition-duration:45ms;transition-timing-function:linear}#problem-tools-root .swipe-deck article.is-active{border-color:var(--premium-accent);background:linear-gradient(145deg,var(--premium-accent),#0c0c0c)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .swipe-deck article.is-active{background:linear-gradient(145deg,color-mix(in srgb,var(--premium-accent) 32%,#1b1b1b),#0c0c0c)}}#problem-tools-root .swipe-deck article strong{letter-spacing:-.09em;align-self:center;font-size:52px}#problem-tools-root .swipe-deck article small,#problem-tools-root .swipe-deck article span{color:var(--pt-muted);font-family:var(--font-mono);font-size:7px}#problem-tools-root .swipe-deck>em{color:var(--pt-muted);white-space:nowrap;position:absolute;bottom:-27px;right:0}#problem-tools-root .cursor-trail-gallery{position:absolute;inset:0}#problem-tools-root .cursor-trail-gallery>i{top:var(--premium-y);left:var(--premium-x);background:linear-gradient(145deg,var(--premium-accent),#080808);border:1px solid #ffffff2b;border-radius:4px;place-items:end start;width:72px;height:92px;padding:7px;display:grid;position:absolute}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .cursor-trail-gallery>i{background:linear-gradient(145deg,color-mix(in srgb,var(--premium-accent) calc(12% + var(--item) * 5%),#171717),#080808)}}#problem-tools-root .cursor-trail-gallery>i{transform:translate(calc(-50% - var(--item) * 13px),calc(-50% + var(--item) * 7px)) rotate(calc((var(--item) - 2) * -4deg));opacity:calc(1 - var(--item) * .12);transition:inset calc(.18s + var(--item) * 45ms) cubic-bezier(.16,1,.3,1);box-shadow:0 12px 28px #00000057}#problem-tools-root .cursor-trail-gallery span{color:#ffffffa6;font-family:var(--font-mono);font-size:7px}#problem-tools-root .cursor-trail-gallery>small{color:var(--pt-muted);position:absolute;bottom:14px;left:16px}#problem-tools-root .coverflow-reel{perspective:900px;width:min(92%,520px);transform:translate3d(var(--gesture-coverflow-x),0,0);will-change:transform;justify-content:center;align-items:center;gap:5px;transition:transform .28s cubic-bezier(.16,1,.3,1);display:flex}#problem-tools-root .demo-preview.is-dragging .coverflow-reel{transition-duration:45ms;transition-timing-function:linear}#problem-tools-root .coverflow-reel article{border:1px solid var(--pt-border);background:linear-gradient(160deg,var(--premium-accent),#080808);border-radius:4px;flex-direction:column;justify-content:space-between;width:28px;height:150px;padding:9px 5px;display:flex;overflow:hidden}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .coverflow-reel article{background:linear-gradient(160deg,color-mix(in srgb,var(--premium-accent) calc(var(--item) * 7%),#181818),#080808)}}#problem-tools-root .coverflow-reel article{transform:rotateY(calc((var(--item) - 2) * -12deg));transition:width .52s cubic-bezier(.16,1,.3,1),height .52s cubic-bezier(.16,1,.3,1),transform .52s cubic-bezier(.16,1,.3,1)}#problem-tools-root .coverflow-reel article.active{background:radial-gradient(circle at 35% 30%,var(--premium-accent),transparent 45%),#111;width:min(48%,230px);height:188px;padding:12px;transform:rotateY(0)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .coverflow-reel article.active{background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--premium-accent) 48%,transparent),transparent 45%),#111}}#problem-tools-root .coverflow-reel article span{font-family:var(--font-mono);font-size:7px}#problem-tools-root .coverflow-reel article strong{letter-spacing:-.06em;font-size:20px}#problem-tools-root .coverflow-reel>small{color:var(--pt-muted);position:absolute;bottom:18px}#problem-tools-root .orbit-gallery{place-items:center;width:270px;height:220px;display:grid;position:relative}#problem-tools-root .orbit-gallery>div{animation:orbit calc(var(--premium-speed) * 8) linear infinite;position:absolute;inset:0}#problem-tools-root .orbit-gallery article{background:linear-gradient(145deg,var(--premium-accent),#080808);border:1px solid #ffffff2e;border-radius:4px;align-items:end;width:54px;height:68px;padding:6px;display:grid;position:absolute;top:50%;left:50%}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .orbit-gallery article{background:linear-gradient(145deg,color-mix(in srgb,var(--premium-accent) calc(var(--item) * 8%),#171717),#080808)}}#problem-tools-root .orbit-gallery article{transform:translate(-50%,-50%) rotate(calc(var(--item) * 72deg)) translateY(-90px) rotate(calc(var(--item) * -72deg))}#problem-tools-root .orbit-gallery article span{font-family:var(--font-mono);font-size:7px}#problem-tools-root .orbit-gallery>strong{letter-spacing:-.07em;font-size:27px}#problem-tools-root .orbit-gallery>small{color:var(--pt-muted);position:absolute;bottom:-5px}#problem-tools-root .prism-card{border:1px solid var(--premium-accent);flex-direction:column;justify-content:flex-end;width:min(76%,320px);min-height:196px;display:flex;position:relative;overflow:hidden}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .prism-card{border:1px solid color-mix(in srgb,var(--premium-accent) 34%,#333)}}#problem-tools-root .prism-card{background:radial-gradient(circle at var(--premium-x) var(--premium-y),var(--premium-accent),transparent 38%),linear-gradient(145deg,#1b1b1b,#080808);border-radius:9px;padding:20px}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .prism-card{background:radial-gradient(circle at var(--premium-x) var(--premium-y),color-mix(in srgb,var(--premium-accent) 23%,transparent),transparent 38%),linear-gradient(145deg,#1b1b1b,#080808)}}#problem-tools-root .prism-card{transform:perspective(700px) rotateY(calc(var(--premium-dx) * .35)) rotateX(calc(var(--premium-dy) * -.35));transition:transform .26s cubic-bezier(.16,1,.3,1);box-shadow:0 24px 48px #00000061}#problem-tools-root .prism-card__glare{transform:translateX(var(--premium-dx)) rotate(12deg);background:linear-gradient(110deg,#0000 40%,#ffffff1f 49%,#0000 58%);position:absolute;inset:-50%}#problem-tools-root .prism-card small,#problem-tools-root .prism-card span{z-index:2;color:var(--pt-muted);position:relative}#problem-tools-root .prism-card strong{z-index:2;letter-spacing:-.07em;margin:12px 0 5px;font-size:31px;position:relative}#problem-tools-root .prism-card p{z-index:2;max-width:220px;color:var(--pt-muted);margin:0 0 17px;font-size:9px;line-height:1.5;position:relative}#problem-tools-root .prism-card span{color:var(--premium-accent);font-family:var(--font-mono);align-self:flex-end;align-items:center;gap:5px;font-size:7px;display:inline-flex}#problem-tools-root .signal-tooltip{width:min(82%,430px);height:210px;position:relative}#problem-tools-root .signal-tooltip>div{border:1px solid var(--pt-border);border-radius:50%;place-items:center;width:84px;height:84px;display:grid;position:absolute;top:50%;left:18px;transform:translateY(-50%)}#problem-tools-root .signal-tooltip>div i{background:#6ee7a6;border-radius:50%;width:7px;height:7px;position:absolute;box-shadow:0 0 16px #6ee7a6}#problem-tools-root .signal-tooltip>div span{color:var(--pt-muted);font-family:var(--font-mono);font-size:7px;position:absolute;bottom:-26px}#problem-tools-root .signal-tooltip>div strong{color:var(--premium-accent);font-family:var(--font-mono);font-size:8px;position:absolute;top:-5px;right:-4px}#problem-tools-root .signal-tooltip aside{border:1px solid var(--pt-border);border-left:2px solid var(--premium-accent);opacity:.76;background:#111;align-content:start;width:250px;min-height:152px;padding:17px;transition:opacity .22s,transform .32s cubic-bezier(.16,1,.3,1);display:grid;position:absolute;top:50%;right:0;transform:translate(8px,-50%);box-shadow:0 24px 50px #00000075}#problem-tools-root .signal-tooltip aside:before{background:var(--premium-accent);content:"";width:66px;height:1px;position:absolute;top:50%;left:-68px}#problem-tools-root .demo-preview:hover .signal-tooltip aside{opacity:1;transform:translateY(-50%)}#problem-tools-root .signal-tooltip aside small{color:var(--premium-accent)}#problem-tools-root .signal-tooltip aside strong{letter-spacing:-.07em;margin-top:11px;font-size:29px}#problem-tools-root .signal-tooltip aside p{color:var(--pt-muted);margin:7px 0 15px;font-size:9px;line-height:1.5}#problem-tools-root .signal-tooltip aside span{color:var(--pt-text-2);font-family:var(--font-mono);align-items:center;gap:5px;font-size:7px;display:inline-flex}#problem-tools-root .signal-tooltip>em{color:var(--pt-muted);position:absolute;bottom:-11px;right:0}#problem-tools-root .demo-preview{--pt-red:var(--preview-accent,#d3534a)}#problem-tools-root .node-field--1{grid-template-columns:repeat(4,1fr);padding-inline:52px}#problem-tools-root .node-field--2{grid-template-columns:repeat(7,1fr);padding:18px}#problem-tools-root .node-field i{transform:scale(calc(.72 + var(--preview-intensity) * .28))}#problem-tools-root .split-reveal__after{width:var(--pointer-x)}#problem-tools-root .split-reveal--1 .split-reveal__after{background:var(--preview-accent)}@supports (color:color-mix(in lab, red, red)){#problem-tools-root .split-reveal--1 .split-reveal__after{background:color-mix(in srgb,var(--preview-accent) 48%,#ffffff1f)}}#problem-tools-root .split-reveal--1 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.workbench-stage,#problem-tools-root .type-studio__stage,#problem-tools-root .signal-studio__stage{border-right:0;border-bottom:1px solid var(--pt-border)}#problem-tools-root .studio-directory{grid-template-columns:1fr}#problem-tools-root .studio-directory>a,#problem-tools-root .studio-directory>a:nth-child(3n){border-right:0;border-bottom:1px solid var(--pt-border);grid-column:auto}#problem-tools-root .studio-directory>a:last-child{border-bottom:0}#problem-tools-root .usage-grid{grid-template-columns:repeat(2,1fr)}#problem-tools-root .usage-grid>div:nth-child(2n){border-right:0}#problem-tools-root .detail-notes{grid-template-columns:1fr}#problem-tools-root .detail-notes>*{border-right:0;border-bottom:1px solid var(--pt-border)}#problem-tools-root .detail-related>header{grid-template-columns:1fr;gap:12px}#problem-tools-root .detail-related>div{grid-template-columns:1fr}#problem-tools-root .detail-related>div>article{border-right:0;border-bottom:1px solid var(--pt-border)}#problem-tools-root .detail-related>div>article:last-child{border-bottom:0}#problem-tools-root .studio-next{grid-template-columns:1fr;gap:22px}#problem-tools-root .account-page{grid-template-columns:1fr}#problem-tools-root .account-story{border-right:0;border-bottom:1px solid var(--pt-border);min-height:70vh}#problem-tools-root .account-page{padding-bottom:max(32px, env(safe-area-inset-bottom))}#problem-tools-root .site-footer{padding-bottom:max(28px, env(safe-area-inset-bottom))}}@media (max-width:600px){#problem-tools-root{--pt-page:calc(100% - 20px)}#problem-tools-root .site-header{min-height:calc(64px + env(safe-area-inset-top));padding-inline:max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-left))}#problem-tools-root .brand{gap:9px}#problem-tools-root .site-header .brand{min-height:44px}#problem-tools-root .problem-mark{width:34px;height:34px;padding:7px}#problem-tools-root .header-action{min-height:44px;padding-inline:11px}#problem-tools-root .auth-layer{place-items:end center;padding:0}#problem-tools-root .auth-dialog{width:100%;max-height:calc(100dvh - max(10px, env(safe-area-inset-top)));padding-bottom:env(safe-area-inset-bottom);border-width:1px 0 0;border-radius:14px 14px 0 0}#problem-tools-root .auth-dialog__header{min-height:56px;padding-inline:16px 12px}#problem-tools-root .auth-dialog__body{gap:18px;padding:22px 18px 24px}#problem-tools-root .auth-dialog__intro{grid-template-columns:38px minmax(0,1fr);gap:13px}#problem-tools-root .auth-dialog__intro>i{width:38px;height:38px;padding:8px}#problem-tools-root .auth-dialog h2{font-size:24px}#problem-tools-root .auth-email-form>div{grid-template-columns:1fr}#problem-tools-root .auth-email-form button{width:100%}#problem-tools-root .auth-google,#problem-tools-root .auth-email-form button,#problem-tools-root .auth-code-form button,#problem-tools-root .auth-email-form input,#problem-tools-root .auth-code-form input{min-height:50px}#problem-tools-root .library-intro,#problem-tools-root .detail-heading,#problem-tools-root .studio-intro,#problem-tools-root .studio-directory-intro{gap:26px;padding-block:34px 30px}#problem-tools-root .library-intro h1{overflow-wrap:break-word;text-wrap:balance;max-width:100%;font-size:clamp(34px,10.8vw,46px);line-height:.92}#problem-tools-root .detail-heading h1,#problem-tools-root .studio-intro h1{overflow-wrap:break-word;text-wrap:balance;font-size:clamp(38px,11.5vw,52px)}#problem-tools-root .studio-directory-intro h1{overflow-wrap:break-word;text-wrap:balance;font-size:clamp(40px,12vw,50px)}#problem-tools-root .library-intro__copy>p{font-size:14px}#problem-tools-root .library-intro__copy>div{gap:10px 16px}#problem-tools-root .search-field kbd{display:none}#problem-tools-root .search-field input{padding-right:12px;font-size:16px}#problem-tools-root .catalog-grid{grid-template-columns:1fr}#problem-tools-root .catalog-card,#problem-tools-root .catalog-card:nth-child(2n),#problem-tools-root .catalog-card:nth-child(3n){border-right:0}#problem-tools-root .library-toolbar{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:12px;min-height:0;padding:13px}#problem-tools-root .library-toolbar__summary{grid-area:2/1}#problem-tools-root .library-toolbar .library-toolbar__search{grid-area:1/1/auto/-1}#problem-tools-root .library-toolbar__controls{grid-area:2/2;gap:8px}#problem-tools-root .library-toolbar__controls label>span{display:none}#problem-tools-root .library-toolbar select{max-width:112px;min-height:44px;font-size:16px}#problem-tools-root .catalog-card__body{padding:15px}#problem-tools-root .catalog-card__meta button{width:44px;height:44px}#problem-tools-root .catalog-card a>p{min-height:0}#problem-tools-root .catalog-card__foot{align-items:flex-end}#problem-tools-root .catalog-card__foot>a{text-align:right;justify-content:flex-end;min-height:44px}#problem-tools-root .demo-preview--compact{min-height:276px}#problem-tools-root .workbench-stage .demo-preview{min-height:min(430px,118vw)}#problem-tools-root .demo-preview:not(.demo-preview--compact) .magnetic-action,#problem-tools-root .demo-preview:not(.demo-preview--compact) .decrypt-action,#problem-tools-root .demo-preview:not(.demo-preview--compact) .pressure-key,#problem-tools-root .demo-preview:not(.demo-preview--compact) .orbit-action{scale:1}#problem-tools-root .demo-preview:not(.demo-preview--compact) .swipe-deck,#problem-tools-root .demo-preview:not(.demo-preview--compact) .orbit-gallery,#problem-tools-root .demo-preview:not(.demo-preview--compact) .prism-card{scale:.94}#problem-tools-root .demo-preview:not(.demo-preview--compact) .signal-tooltip{transform:scale(.9)}#problem-tools-root .signal-tooltip{width:min(88%,340px)}#problem-tools-root .signal-tooltip>div{width:72px;height:72px;left:0}#problem-tools-root .signal-tooltip aside{width:min(76%,230px);padding:15px}#problem-tools-root .stage-bar{flex-direction:column;align-items:flex-start;padding-block:10px}#problem-tools-root .stage-actions{justify-content:flex-start;width:100%}#problem-tools-root .stage-actions button{min-height:44px}#problem-tools-root .stage-actions>span{margin-left:auto}#problem-tools-root .stage-readout{justify-content:space-between;gap:8px}#problem-tools-root .control-panel>label,#problem-tools-root .control-panel fieldset{padding:16px}#problem-tools-root .variant-panel>div{grid-template-columns:1fr}#problem-tools-root .variant-panel>div>article{border-right:0;border-bottom:1px solid var(--pt-border)}#problem-tools-root .variant-panel>div>article:last-child{border-bottom:0}#problem-tools-root .variant-panel>div>article>button{min-height:48px}#problem-tools-root .usage-grid{grid-template-columns:1fr}#problem-tools-root .usage-grid>div{border-right:0;border-bottom:1px solid var(--pt-border-soft)}#problem-tools-root .surface-options{grid-template-columns:repeat(2,1fr)}#problem-tools-root .surface-options button{min-height:44px}#problem-tools-root .source-panel__head{gap:8px;padding-inline:10px}#problem-tools-root .source-panel__head button{min-height:44px;padding-inline:10px}#problem-tools-root .source-panel pre{padding:18px;font-size:10px}#problem-tools-root .workbench-doc-grid{grid-template-columns:1fr}#problem-tools-root .workbench-doc-grid article,#problem-tools-root .workbench-doc-grid article:nth-child(2n),#problem-tools-root .workbench-doc-grid article:nth-last-child(-n+2){border-right:0;border-bottom:1px solid var(--pt-border-soft);min-height:0}#problem-tools-root .workbench-doc-grid article:last-child{border-bottom:0}#problem-tools-root .api-panel>header{grid-template-columns:1fr;gap:8px}#problem-tools-root .workbench-stage.is-expanded{border:0;inset:0}#problem-tools-root .detail-notes>*{min-height:auto;padding:22px}#problem-tools-root .detail-related>header{min-height:96px;padding:22px}#problem-tools-root .detail-related>header h2{font-size:24px}#problem-tools-root .type-studio__stage{min-height:560px}#problem-tools-root .studio-directory__preview .demo-preview{min-height:300px}#problem-tools-root .signal-studio__stage .advanced-canvas,#problem-tools-root .dot-studio__stage canvas{min-height:460px}#problem-tools-root .dot-type-preview{width:min(90%,390px);min-height:178px}#problem-tools-root .studio-textarea textarea,#problem-tools-root .studio-select select{font-size:16px}#problem-tools-root .signal-studio__controls>header button,#problem-tools-root .signal-studio__controls fieldset button{min-height:44px}#problem-tools-root .signal-studio__export{grid-template-columns:1fr}#problem-tools-root .studio-output{min-height:490px;padding:24px}#problem-tools-root .studio-output strong{font-size:min(var(--studio-size), 16vw)}#problem-tools-root .account-story,#problem-tools-root .account-panel{padding:36px 24px}#problem-tools-root .account-story h1{overflow-wrap:break-word;font-size:clamp(38px,12vw,48px)}#problem-tools-root .account-panel form,#problem-tools-root .account-primary,#problem-tools-root .account-secondary{width:100%}#problem-tools-root .site-footer{padding-bottom:max(28px, env(safe-area-inset-bottom));grid-template-columns:1fr;gap:30px}#problem-tools-root .email-capture{grid-template-columns:1fr;gap:26px;padding:24px}#problem-tools-root .email-capture form{grid-template-columns:1fr}#problem-tools-root .email-capture form>button{width:100%}#problem-tools-root .footer-links{gap:14px 20px}#problem-tools-root .footer-links a{align-items:center;min-height:44px;display:inline-flex}#problem-tools-root .footer-note{grid-column:1}}@media (max-width:380px){#problem-tools-root .site-header{gap:8px}#problem-tools-root .site-header>.brand{gap:7px}#problem-tools-root .site-header>.brand .problem-mark{width:32px;height:32px}#problem-tools-root .site-header>.brand strong{font-size:10px}#problem-tools-root .site-header>.brand small{font-size:7px}#problem-tools-root .header-action{padding-inline:10px}#problem-tools-root .library-toolbar{grid-template-columns:1fr}#problem-tools-root .library-toolbar__summary{grid-column:1}#problem-tools-root .library-toolbar__controls{grid-area:3/1;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}#problem-tools-root .library-toolbar__controls>label,#problem-tools-root .library-sort-nav{min-width:0}#problem-tools-root .library-toolbar select{width:100%;max-width:none}#problem-tools-root .catalog-card__meta{align-items:flex-start}#problem-tools-root .catalog-card__foot{gap:8px}#problem-tools-root .catalog-card__foot>div{flex-wrap:wrap}#problem-tools-root .stage-actions{gap:5px!important}#problem-tools-root .stage-actions button{padding-inline:8px}#problem-tools-root .stage-actions>span,#problem-tools-root .stage-readout{font-size:6px}#problem-tools-root .demo-preview:not(.demo-preview--compact) .swipe-deck,#problem-tools-root .demo-preview:not(.demo-preview--compact) .orbit-gallery,#problem-tools-root .demo-preview:not(.demo-preview--compact) .prism-card{scale:.86}#problem-tools-root .demo-preview:not(.demo-preview--compact) .signal-tooltip{transform:scale(.84)}#problem-tools-root .source-panel__head button{padding-inline:8px;font-size:8px}}@media (prefers-reduced-motion:reduce){#problem-tools-root *,#problem-tools-root :before,#problem-tools-root :after{scroll-behavior:auto!important;transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}