/* Dead Pixel Test – "Pixel Lab" identity: sage-paper page, ink header, monitor-bezel tool stage, RGB sub-pixel accents. */
:root{--bg:#eceee8;--card:#fff;--line:#dcdfd6;--ink:#0d1117;--tx:#141a22;--mu:#5b635d;--R:#ff3355;--G:#00c26e;--B:#2f6bff;--ac:#2f6bff;--r:12px;--sh:0 1px 0 rgba(13,17,23,.05),0 6px 18px -8px rgba(13,17,23,.16);--hh:74px;--g:12px;
 --hf:"Space Grotesk",Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--bf:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--mf:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
html body.dpt-site,body.dpt-site .site,body.dpt-site #wrapper,body.dpt-site #inner-wrap,body.dpt-site .content-bg,body.dpt-site .site-main,body.dpt-site .entry,body.dpt-site .entry-content-wrap,body.dpt-site .content-area,body.dpt-site .content-wrap{background:var(--bg)!important;box-shadow:none!important}
html{scrollbar-gutter:auto}
body.dpt-site{color:var(--tx);font-family:var(--bf);overflow-x:hidden}
body.dpt-site #masthead,body.dpt-site #colophon,body.dpt-site .entry-header,body.dpt-site .entry-hero,body.dpt-site .page-title,body.dpt-site .entry-footer,body.dpt-site .comments-area{display:none!important}
body.dpt-site .content-area{margin:0!important}
body.dpt-site .content-container.site-container{max-width:1280px;padding:0 16px}
body.dpt-site .entry-content-wrap{padding:0!important}
body.dpt-site .entry-content{margin:0}
body.dpt-site .entry-content>*{margin-top:0}
.dpt-site h1,.dpt-site h2,.dpt-site h3{font-family:var(--hf)}
/* header: ink bar with RGB sub-pixel edge */
.dpt-hd{padding:10px 16px 0;height:var(--hh);box-sizing:border-box;position:relative;z-index:50}
.dpt-pill{max-width:1248px;margin:0 auto;height:56px;background:var(--ink);border-radius:14px;display:flex;align-items:center;justify-content:space-between;padding:0 8px 0 12px;box-sizing:border-box;position:relative;box-shadow:0 8px 22px -12px rgba(13,17,23,.55)}
.dpt-pill::after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:linear-gradient(90deg,var(--R) 0 33.3%,var(--G) 33.3% 66.6%,var(--B) 66.6%)}
.dpt-brand{display:flex;align-items:center;gap:10px;font:700 17px/1 var(--hf);letter-spacing:-.01em;color:var(--tx)!important;text-decoration:none!important;white-space:nowrap}
.dpt-hd .dpt-brand{color:#fff!important}
.dpt-nav{display:flex;align-items:center;gap:2px}
.dpt-site .dpt-nav a,.dpt-site .dpt-more-b{display:flex;align-items:center;gap:8px;font:600 14px/1.2 var(--bf);color:#c9d1d9!important;text-decoration:none!important;padding:9px 12px;border-radius:9px;white-space:nowrap;background:transparent!important;border:0;cursor:pointer;box-shadow:none!important}
.dpt-site .dpt-nav a:hover,.dpt-site .dpt-nav a:focus-visible,.dpt-site .dpt-more-b:hover,.dpt-site .dpt-more-b:focus-visible,.dpt-site .dpt-more.open .dpt-more-b{background:rgba(255,255,255,.1)!important;color:#fff!important}
.dpt-site .dpt-nav a.on{color:#fff!important;background:rgba(255,255,255,.08)!important}
.dpt-nav a i{width:8px;height:8px;border-radius:2px;flex:none}
.dpt-more{position:relative}
.dpt-more-m{display:none;position:absolute;right:0;top:calc(100% + 10px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px rgba(13,17,23,.18);padding:6px;min-width:220px;z-index:60}
.dpt-site .dpt-more-m a{color:var(--tx)!important}
.dpt-site .dpt-more-m a:hover,.dpt-site .dpt-more-m a:focus-visible,.dpt-site .dpt-more-m a.on{background:#f0f2ec!important;color:var(--ink)!important}
.dpt-more.open .dpt-more-m{display:block}
.dpt-site .dpt-burger{display:none;width:42px;height:42px;border:0;background:rgba(255,255,255,.1)!important;border-radius:10px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0}
.dpt-site .dpt-burger:hover{background:rgba(255,255,255,.18)!important}
.dpt-burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
@media (max-width:1180px){
 .dpt-site .dpt-burger{display:flex}
 .dpt-nav{display:none;position:absolute;left:16px;right:16px;top:calc(var(--hh) + 4px);flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px rgba(13,17,23,.2);padding:8px;max-height:calc(100vh - var(--hh) - 20px);overflow:auto}
 .dpt-nav.open{display:flex}
 .dpt-site .dpt-nav a{color:var(--tx)!important}
 .dpt-site .dpt-nav a:hover,.dpt-site .dpt-nav a:focus-visible,.dpt-site .dpt-nav a.on{background:#f0f2ec!important;color:var(--ink)!important}
 .dpt-site .dpt-more-b{display:none}.dpt-more-m{display:block;position:static;border:0;box-shadow:none;padding:0;min-width:0}
 .dpt-more-m::before{content:"More tests";display:block;font:600 11.5px var(--mf);color:var(--mu);text-transform:uppercase;letter-spacing:.06em;padding:10px 12px 4px}
}
/* hero: tool stage on top, info strip below */
.dpt-hero{height:calc(100vh - var(--hh));height:calc(100svh - var(--hh));display:flex;flex-direction:column;box-sizing:border-box;padding:14px 0 16px;max-width:1248px;margin:0 auto}
.dpt-top{text-align:left;padding:0 2px 12px;display:flex;align-items:baseline;gap:16px;flex-wrap:nowrap;min-width:0}
.dpt-top h1{font:700 30px/1.15 var(--hf);margin:0;letter-spacing:-.025em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink);flex:none}
.dpt-h1m{display:none}
.dpt-lead{margin:0;color:var(--mu);font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;padding-left:16px;border-left:3px solid;border-image:linear-gradient(var(--R) 0 33%,var(--G) 33% 66%,var(--B) 66%) 1}
.dpt-bento{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto;gap:var(--g)}
.dpt-main,.dpt-c{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);box-sizing:border-box}
.dpt-main{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:minmax(0,1fr) auto;gap:12px 14px;padding:12px;min-height:0;overflow:hidden;position:relative}
.dpt-main>*{grid-column:1/-1}
.dpt-hero:not([data-mode="res"]) .dpt-main>.dpt-prev,.dpt-main>.dpt-fx,.dpt-main>.dpt-ctw,.dpt-main>.dpt-resbig{grid-row:1}
.dpt-side{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--g);min-height:0}
.dpt-c{padding:12px 14px;overflow:hidden;min-height:0;font-size:14px;color:var(--tx)}
.dpt-c p{margin:0 0 6px;color:var(--mu);font-size:13.5px;line-height:1.45}
.dpt-ch{display:flex;align-items:center;gap:9px;margin-bottom:8px}
.dpt-t{margin:0!important;font:700 14.5px/1.2 var(--hf)!important;color:var(--tx)!important}
.dpt-ic{width:28px;height:28px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;flex:none;box-shadow:inset 0 -2px 0 rgba(0,0,0,.18)}
.dpt-dark{background:var(--ink);border-color:var(--ink)}.dpt-dark .dpt-t{color:#fff!important}.dpt-dark p{color:#b8c0c9}
.dpt-site .dpt-go{display:inline-block;margin-top:2px;font:600 13.5px var(--bf);color:#8fb3ff!important;text-decoration:none!important}
.dpt-site .dpt-go:hover,.dpt-site .dpt-go:focus-visible{color:#fff!important;text-decoration:underline!important}
.dpt-site .dpt-go2{color:var(--ac)!important}.dpt-site .dpt-go2:hover{color:#1d4ed8!important}
.dpt-dl{margin:0;display:grid;gap:5px}.dpt-dl div{display:flex;justify-content:space-between;gap:8px;border-bottom:1px dashed var(--line);padding-bottom:4px}
.dpt-side .dpt-dl{grid-template-columns:1fr 1fr;column-gap:14px}
.dpt-dl dt{color:var(--mu);font-size:12.5px}.dpt-dl dd{margin:0;font:600 12.5px var(--mf);text-align:right;color:var(--tx)}
.dpt-keys,.dpt-tips{list-style:none;margin:0;padding:0;display:grid;gap:5px;font-size:13px;color:var(--mu)}
.dpt-tips li{position:relative;padding-left:14px;line-height:1.4}.dpt-tips li::before{content:"";position:absolute;left:0;top:6px;width:6px;height:6px;border-radius:1px;background:var(--G)}
.dpt-tips li:nth-child(2)::before{background:var(--B)}.dpt-tips li:nth-child(3)::before{background:var(--R)}
kbd{display:inline-block;min-width:22px;padding:2px 6px;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;background:#f6f7f3;font:600 11.5px var(--mf);color:var(--tx);text-align:center;margin-right:3px}
/* monitor-bezel stage */
.dpt-site .dpt-prev{min-height:80px;border-radius:10px;border:7px solid var(--ink)!important;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08),0 0 0 1px var(--line)!important;cursor:pointer;position:relative;padding:0;display:block;width:100%;height:100%;transition:background .2s;outline:0}
.dpt-site .dpt-prev:hover,.dpt-site .dpt-prev:focus{border-color:var(--ink)!important}
.dpt-site .dpt-prev:focus-visible{box-shadow:0 0 0 3px #9db8ff!important}
.dpt-prev-tag{position:absolute;left:10px;top:10px;display:flex;align-items:center;gap:7px;background:rgba(13,17,23,.78);color:#fff;font:600 12px var(--mf);padding:6px 10px;border-radius:7px;letter-spacing:.02em}
.dpt-prev-tag i{width:14px;height:6px;background:linear-gradient(90deg,var(--R) 0 33%,var(--G) 33% 66%,var(--B) 66%);border-radius:1px}
.dpt-prev-tag b{font-weight:600}
/* centre CTA */
.dpt-cta{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none;z-index:2}
.dpt-cta-o{width:78px;height:78px;border-radius:20px;background:rgba(13,17,23,.82);display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 10px 30px rgba(0,0,0,.35);transition:transform .2s}
.dpt-cta-o::before{content:"";position:absolute;inset:-6px;border-radius:24px;border:2px solid rgba(255,255,255,.55);animation:dptPulse 2.2s ease-out infinite}
.dpt-cta-o::after{content:"";position:absolute;left:14px;right:14px;bottom:7px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--R) 0 33%,var(--G) 33% 66%,var(--B) 66%)}
.dpt-cta-t{background:rgba(13,17,23,.82);color:#fff;font:600 14px/1 var(--hf);padding:9px 14px;border-radius:9px;white-space:nowrap;letter-spacing:.01em}
@keyframes dptPulse{0%{opacity:.9;transform:scale(1)}80%,100%{opacity:0;transform:scale(1.28)}}
.dpt-prev:hover .dpt-cta-o,.dpt-ctw:hover .dpt-cta-o,.dpt-ctab:hover .dpt-cta-o,.dpt-prev:focus-visible .dpt-cta-o{transform:scale(1.08)}
.dpt-prev:hover .dpt-cta-t,.dpt-ctw:hover .dpt-cta-t,.dpt-ctab:hover .dpt-cta-t{background:var(--ink)}
@media (prefers-reduced-motion:reduce){.dpt-cta-o::before{animation:none;opacity:.5}}
.dpt-site .dpt-ctab{position:absolute;inset:0;background:transparent!important;border:0!important;padding:0;cursor:pointer;z-index:2;box-shadow:none!important}
.dpt-run .dpt-ctab{display:none}
/* controls row */
.dpt-row{flex:none;min-width:0}
.dpt-sw{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-start}
.dpt-site .dpt-swb{display:flex;align-items:center;gap:7px;border:1px solid var(--line)!important;background:#fff!important;border-radius:8px;padding:6px 10px 6px 6px;font:600 13px/1 var(--bf);color:var(--tx)!important;cursor:pointer;box-shadow:none!important;text-decoration:none!important}
.dpt-site .dpt-swb:hover,.dpt-site .dpt-swb:focus-visible{background:#f3f5ef!important;color:var(--ink)!important;border-color:#b9beb2!important}
.dpt-swb i,.dpt-swl i{width:18px;height:18px;border-radius:4px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.2);flex:none}
.dpt-site .dpt-swb.on{border-color:var(--ink)!important;box-shadow:inset 0 0 0 1px var(--ink)!important;background:#fff!important;color:var(--ink)!important}
.dpt-swls{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px}
.dpt-site .dpt-swl{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--tx)!important;text-decoration:none!important;padding:4px 6px;border-radius:7px}
.dpt-site .dpt-swl:hover,.dpt-site .dpt-swl:focus-visible{background:#f0f2ec!important;color:var(--ink)!important}
.dpt-rb{background:conic-gradient(red,yellow,lime,cyan,blue,magenta,red)}
.dpt-bar{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;align-items:center;flex:none}
.dpt-main>.dpt-row:not(.dpt-mob){grid-column:1;grid-row:2;align-self:center}
.dpt-main>.dpt-bar{grid-column:2;grid-row:2}
.dpt-hero[data-mode="color"] .dpt-main>.dpt-bar,.dpt-hero[data-mode="res"] .dpt-main>.dpt-bar,.dpt-hero[data-mode="fixer"] .dpt-main>.dpt-bar{grid-column:1/-1;grid-row:auto;justify-content:center}
.dpt-hero[data-mode="fixer"] .dpt-main>.dpt-warn{grid-row:auto}
.dpt-site .dpt-b{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid #c9cec2!important;background:#fff!important;color:var(--ink)!important;font:600 15px/1 var(--hf);cursor:pointer;box-shadow:0 2px 0 #c9cec2!important;text-decoration:none!important;transition:transform .08s,box-shadow .08s,background .15s}
.dpt-site .dpt-b:hover,.dpt-site .dpt-b:focus-visible{background:#f3f5ef!important;color:var(--ink)!important;border-color:#9ea597!important}
.dpt-site .dpt-b:active{transform:translateY(2px);box-shadow:0 0 0 #c9cec2!important}
.dpt-site .dpt-bp{background:var(--ink)!important;border-color:var(--ink)!important;color:#fff!important;min-width:190px;font-size:16px;min-height:48px;box-shadow:0 3px 0 #000,inset 0 -3px 0 0 rgba(255,255,255,.0)!important;position:relative;overflow:hidden}
.dpt-site .dpt-bp::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--R) 0 33%,var(--G) 33% 66%,var(--B) 66%)}
.dpt-site .dpt-bp:hover,.dpt-site .dpt-bp:focus-visible{background:#232a35!important;color:#fff!important;border-color:#232a35!important}
.dpt-site .dpt-b:disabled{opacity:.5;cursor:default;transform:none}
.dpt-site .dpt-b:disabled:hover{background:#fff!important;color:var(--ink)!important}
.dpt-site .dpt-stop:not(:disabled),.dpt-site .dpt-stop:not(:disabled):hover{background:#ffe4e8!important;border-color:#ffb3c0!important;color:#a3122d!important;box-shadow:0 2px 0 #ffb3c0!important}
.dpt-l{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;color:var(--mu);margin-bottom:6px}
.dpt-l select,.dpt-fxm select{border:1px solid var(--line);border-radius:8px;padding:5px 8px;font:600 13px var(--bf);background:#fff;color:var(--tx);max-width:62%}
.dpt-l select:hover,.dpt-fxm select:hover{border-color:#9ea597}
/* fixer */
.dpt-fx{min-height:80px;border-radius:10px;overflow:hidden;position:relative;background:#0b0f19;border:7px solid var(--ink)}
.dpt-fxc{width:100%;height:100%;display:block;image-rendering:pixelated}
.dpt-fxi{position:absolute;left:10px;top:10px;display:flex;gap:10px;align-items:center;background:rgba(255,255,255,.95);border-radius:7px;padding:6px 10px;font:600 12.5px var(--mf);z-index:3;color:var(--ink)}
.dpt-fxi span{font-variant-numeric:tabular-nums}
.dpt-warn{display:flex;gap:10px;align-items:center;margin:0;background:#fff1f3;border:1px solid #ffc7d0;border-radius:9px;padding:7px 12px;font-size:13px;color:#7a1023;line-height:1.4}
.dpt-warn .dpt-ic{width:24px;height:24px}
.dpt-ws{display:none}
.dpt-fxw{position:fixed;z-index:99990;background:#000;border:2px solid #fff;outline:1px solid #000;box-shadow:0 10px 30px rgba(0,0,0,.35);touch-action:none;cursor:move}
.dpt-fxw canvas{width:100%;height:100%;display:block;image-rendering:pixelated}
.dpt-fxw-x{position:absolute;top:-30px;right:-2px;display:flex;gap:4px}
.dpt-site .dpt-fxw-x button{font:700 12px/1 var(--bf);border:0;border-radius:7px;padding:6px 9px;background:var(--ink)!important;color:#fff!important;cursor:pointer}
/* res */
.dpt-resbig{min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-radius:10px;background:var(--ink);color:#fff;padding:10px;border:7px solid var(--ink);background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:14px 14px}
.dpt-resbig small{color:#aab3bd;font:500 13px var(--mf);text-transform:uppercase;letter-spacing:.06em}.dpt-resbig>b{font:700 clamp(34px,6vw,64px)/1.1 var(--hf);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.dpt-resbig span{color:#aab3bd;font-size:14px}.dpt-resbig span b{color:#fff}
.dpt-dl2{grid-template-columns:1fr 1fr 1fr;column-gap:18px}
/* contrast */
.dpt-site .dpt-ctw{min-height:80px;padding:0;border:7px solid var(--ink)!important;border-radius:10px;overflow:hidden;cursor:pointer;background:#000!important;position:relative;box-shadow:none!important}
.dpt-ctw .dpt-cta-o{width:64px;height:64px}
.dpt-ctc{width:100%;height:100%;display:block}
.dpt-seg{display:flex;flex-wrap:wrap;gap:6px}
.dpt-site .dpt-seg button,.dpt-site .dpt-spd button{border:1px solid var(--line)!important;background:#fff!important;border-radius:8px;padding:8px 12px;font:600 13px/1 var(--bf);cursor:pointer;color:var(--tx)!important;box-shadow:none!important}
.dpt-site .dpt-seg button:hover,.dpt-site .dpt-spd button:hover,.dpt-site .dpt-seg button:focus-visible,.dpt-site .dpt-spd button:focus-visible{background:#f3f5ef!important;color:var(--ink)!important;border-color:#9ea597!important}
.dpt-site .dpt-seg button.on,.dpt-site .dpt-spd button.on,.dpt-site .dpt-seg button.on:hover,.dpt-site .dpt-spd button.on:hover{background:var(--ink)!important;color:#fff!important;border-color:var(--ink)!important}
/* fullscreen layer */
.dpt-fs{position:fixed;inset:0;z-index:99999;cursor:pointer;display:flex}
.dpt-fs canvas{width:100%;height:100%}
.dpt-fs.idle{cursor:none}
.dpt-hint{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:rgba(13,17,23,.85);color:#fff;font:600 13px/1.3 var(--bf);padding:8px 14px;border-radius:9px;transition:opacity .6s;pointer-events:none;white-space:nowrap;max-width:94vw;overflow:hidden;text-overflow:ellipsis;z-index:100000}
.dpt-hint.out{opacity:0}
.dpt-site .dpt-x{position:fixed;top:12px;right:12px;z-index:100001;border:0;border-radius:9px;padding:8px 12px;background:rgba(13,17,23,.75)!important;color:#fff!important;font:700 13px var(--bf);cursor:pointer;transition:opacity .6s}
.dpt-site .dpt-x:hover{background:var(--ink)!important;color:#fff!important}
.dpt-fs.idle~.dpt-x{opacity:0}
/* how-to */
.dpt-howto{max-width:1000px;margin:0 auto 18px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--G);border-radius:var(--r);box-shadow:var(--sh);padding:16px 22px;box-sizing:border-box;scroll-margin-top:12px}
.dpt-howh{margin:0 0 8px;font:700 17px var(--hf)}
.dpt-howto ol{margin:0;padding-left:22px;display:grid;gap:4px}.dpt-howto li{font-size:15px;line-height:1.55;color:#2a3138}
.dpt-howto li::marker{font:600 14px var(--mf);color:var(--B)}
/* content */
.dpt-content{max-width:1000px;margin:0 auto;padding:6px 0 10px}
.dpt-sec{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:28px 32px;margin:0 0 18px}
.dpt-sec h2{font-size:26px;line-height:1.25;margin:0 0 12px;letter-spacing:-.015em;color:var(--ink)}
.dpt-sec h2::before{content:"";display:block;width:36px;height:4px;border-radius:2px;margin-bottom:12px;background:linear-gradient(90deg,var(--R) 0 33%,var(--G) 33% 66%,var(--B) 66%)}
.dpt-sec h3{font-size:18.5px;margin:20px 0 8px;color:var(--ink)}
.dpt-sec p,.dpt-sec li{font-size:16.5px;line-height:1.7;color:#2a3138}
.dpt-sec p{margin:0 0 12px}.dpt-sec ul,.dpt-sec ol{margin:0 0 12px;padding-left:22px}
.dpt-site .dpt-sec a{color:#1f55e0!important}.dpt-site .dpt-sec a:hover{color:var(--ink)!important}
.dpt-sec table{width:100%;border-collapse:collapse;font-size:15px;margin:8px 0 14px}
.dpt-sec th,.dpt-sec td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.dpt-sec th{background:#f4f5f1}
.dpt-tw{overflow-x:auto}
.dpt-art{padding-top:24px}
.dpt-art>h1{font-size:34px;line-height:1.2;margin:4px 0 18px;text-align:center;letter-spacing:-.02em;color:var(--ink)}
.dpt-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--g);margin:0 0 18px}
.dpt-site .dpt-tc{text-decoration:none!important;transition:transform .15s,border-color .15s}.dpt-site .dpt-tc:hover{transform:translateY(-2px);border-color:#9ea597}
.dpt-tc p{color:var(--mu)!important}
.dpt-faq details{border-bottom:1px solid var(--line);padding:12px 0}.dpt-faq summary{font:600 17px var(--hf);cursor:pointer;color:var(--ink)}
.dpt-faq details p{margin:8px 0 0}
.dpt-note{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:12px 14px}
/* footer */
.dpt-ft{background:var(--bg);padding:10px 16px 26px}
.dpt-ft-in{max-width:1248px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:28px 32px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:20px;box-sizing:border-box;border-top:4px solid var(--ink)}
.dpt-ft-in p{color:var(--mu);font-size:14px;margin:10px 0 0}
.dpt-ft-h{font:600 12px var(--mf)!important;text-transform:uppercase;letter-spacing:.07em;color:var(--tx)!important;margin:0 0 10px!important}
.dpt-ft ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}.dpt-site .dpt-ft li a{color:var(--mu)!important;text-decoration:none!important;font-size:14px}.dpt-site .dpt-ft li a:hover,.dpt-site .dpt-ft li a:focus-visible{color:var(--ink)!important;text-decoration:underline!important}
.dpt-copy{text-align:center;color:var(--mu);font-size:13px;margin:14px 0 0}
.dpt-mob{display:none!important}
/* short desktop screens */
@media (min-width:700px) and (max-height:800px){ .dpt-top h1{font-size:26px} .dpt-top{padding-bottom:10px} .dpt-hero{padding-top:10px} .dpt-c{padding:10px 12px} .dpt-ch{margin-bottom:6px} .dpt-dl{gap:3px} .dpt-tips,.dpt-keys{gap:3px} .dpt-cta-o{width:64px;height:64px} }
/* tablet + phone (hamburger range) */
@media (max-width:1180px){
 .dpt-mob{display:flex!important}
 .dpt-spd{align-items:center;gap:6px;font-size:13px;color:var(--mu);font-weight:600}
 .dpt-spd button{padding:6px 12px!important}
 .dpt-fxm{gap:8px}.dpt-fxm label{flex:1;display:flex;flex-direction:column;gap:3px;font:600 11px var(--mf);color:var(--mu);text-transform:uppercase;letter-spacing:.04em;min-width:0}
 .dpt-fxm select{width:100%;max-width:none;padding:7px 4px;font-size:12.5px;text-overflow:clip}
 .dpt-fxm label:first-child{flex:1.25}
 .dpt-main{grid-template-columns:minmax(0,1fr)}
 .dpt-main>*,.dpt-main>.dpt-row:not(.dpt-mob),.dpt-main>.dpt-bar{grid-column:1;grid-row:auto}
 .dpt-hero:not([data-mode="res"]) .dpt-main>.dpt-prev,.dpt-main>.dpt-fx,.dpt-main>.dpt-ctw,.dpt-main>.dpt-resbig{grid-row:1}
 .dpt-main{grid-template-rows:minmax(0,1fr)}
 .dpt-main>.dpt-bar{justify-content:center}.dpt-sw,.dpt-seg{justify-content:center}.dpt-spd{justify-content:center}
}
@media (max-width:1180px) and (min-width:700px){ .dpt-side{grid-template-columns:repeat(2,minmax(0,1fr))} .dpt-side .dpt-c:nth-child(n+3){display:none} }
@media (max-width:899px){ .dpt-cards{grid-template-columns:repeat(2,1fr)} .dpt-ft-in{grid-template-columns:1fr 1fr} .dpt-top{justify-content:center} .dpt-lead{display:none} }
@media (min-width:900px) and (max-width:1180px){ .dpt-lead{font-size:14px} }
/* phone: tool card alone fills first screen */
@media (max-width:699px){
 :root{--hh:66px}
 .dpt-hd{padding:8px 10px 0}.dpt-pill{height:50px;padding:0 5px 0 10px;border-radius:12px}.dpt-brand{font-size:16px}.dpt-site .dpt-burger{width:40px;height:40px}
 body.dpt-site .content-container.site-container{padding:0 10px}
 .dpt-hero{height:auto;padding:8px 0 0;display:block}
 .dpt-top{padding:0 0 8px;height:34px;box-sizing:border-box;justify-content:center}
 .dpt-top h1{font-size:22px}
 .dpt-h1d{display:none}.dpt-h1m{display:inline}
 .dpt-bento{display:block}
 .dpt-main{height:calc(100vh - var(--hh) - 50px);height:calc(100svh - var(--hh) - 50px);margin-bottom:24px;padding:9px;gap:8px;align-content:stretch}
 .dpt-site .dpt-prev,.dpt-fx,.dpt-site .dpt-ctw{border-width:5px!important}
 .dpt-side{display:grid;grid-template-columns:1fr;margin-bottom:20px}
 .dpt-side .dpt-dl{grid-template-columns:1fr}
 .dpt-swb span{display:none}.dpt-site .dpt-swb{padding:5px}.dpt-swb i{width:26px;height:26px;border-radius:6px}
 .dpt-sw{gap:6px}
 .dpt-bar{gap:8px}.dpt-bar .dpt-b{flex:1 1 auto;padding:0 12px;font-size:14.5px}.dpt-site .dpt-bp{min-width:0}
 .dpt-warn{font-size:12px;padding:5px 9px}.dpt-warn .dpt-ic{width:22px;height:22px}.dpt-wl{display:none}.dpt-ws{display:inline}
 .dpt-dl2{grid-template-columns:1fr 1fr}
 .dpt-cta-o{width:62px;height:62px;border-radius:16px}.dpt-cta-t{font-size:13px;padding:8px 12px}
 .dpt-howto{padding:16px 18px;margin-bottom:20px}
 .dpt-sec{padding:20px 18px}.dpt-sec h2{font-size:22px}.dpt-sec p,.dpt-sec li{font-size:16px}
 .dpt-art>h1{font-size:26px}
 .dpt-cards{grid-template-columns:1fr}
 .dpt-ft-in{grid-template-columns:1fr;padding:22px 20px}
}
@media (max-width:359px){ .dpt-fxm{gap:6px} .dpt-fxm label:first-child{flex:1.45} .dpt-fxm select{font-size:12px;padding:7px 2px} }
@media (max-width:699px) and (max-height:600px){ .dpt-main .dpt-dl2{display:none} .dpt-bar .dpt-b{min-height:42px} .dpt-cta-o{width:52px;height:52px} .dpt-cta-o svg{width:26px;height:26px} }
.dpt-main{grid-template-rows:minmax(0,1fr)!important;grid-auto-rows:max-content}
.dpt-side .dpt-dl div{flex-direction:column;align-items:flex-start;gap:1px}.dpt-side .dpt-dl dd{text-align:left}
.dpt-hero[data-mode="fixer"] .dpt-main,.dpt-hero[data-mode="res"] .dpt-main,.dpt-hero[data-mode="color"] .dpt-main{grid-template-columns:minmax(0,1fr)}
.dpt-site .dpt-main .dpt-warn,.dpt-site .dpt-c p,.dpt-site .dpt-lead,.dpt-site .dpt-howh{margin-top:0!important}.dpt-site .dpt-main .dpt-warn{margin:0!important}
/* custom colour */
.dpt-cust{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:3px 4px 3px 3px;height:32px;box-sizing:border-box}
.dpt-cust.on{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.dpt-cust input[type=color]{width:26px;height:24px;padding:0;border:0;border-radius:5px;background:none;cursor:pointer}
.dpt-cust input[type=color]::-webkit-color-swatch-wrapper{padding:0}.dpt-cust input[type=color]::-webkit-color-swatch{border:0;border-radius:4px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.2)}
.dpt-site .dpt-cust input[type=text]{width:76px;height:24px;border:0!important;padding:0 4px!important;font:600 12.5px var(--mf);color:var(--tx);background:transparent!important;box-shadow:none!important;outline:0;min-height:0}
.dpt-site .dpt-cust input.bad{color:#c0142f!important}
.dpt-cust:focus-within{border-color:var(--B)}
@media (max-width:699px){ .dpt-cust{height:38px}.dpt-cust input[type=color]{width:30px;height:30px} }
/* CTA card v2: ink card with RGB edge, centred in stage */
.dpt-cta{gap:0;background:rgba(13,17,23,.9);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:20px 26px 18px;box-shadow:0 18px 44px rgba(0,0,0,.4);text-align:center;max-width:calc(100% - 28px);box-sizing:border-box;overflow:hidden;transition:transform .2s,background .2s;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.dpt-cta::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--R) 0 33.3%,var(--G) 33.3% 66.6%,var(--B) 66.6%)}
.dpt-cta-o{width:58px;height:58px;border-radius:14px;background:linear-gradient(135deg,#2f6bff,#00c26e);box-shadow:none;margin-bottom:12px}
.dpt-cta-o::after{display:none}
.dpt-cta-o::before{border-radius:18px;border-color:rgba(143,179,255,.7)}
.dpt-cta-t{background:none!important;padding:0;font:700 19px/1.2 var(--hf);color:#fff;white-space:nowrap}
.dpt-cta-h{display:block;margin-top:6px;color:#b8c0c9;font:500 13px/1.35 var(--bf);white-space:nowrap}
.dpt-prev:hover .dpt-cta,.dpt-ctw:hover .dpt-cta,.dpt-ctab:hover .dpt-cta,.dpt-prev:focus-visible .dpt-cta{transform:translate(-50%,-50%) scale(1.04);background:rgba(13,17,23,.97)}
.dpt-prev:hover .dpt-cta-o,.dpt-ctw:hover .dpt-cta-o,.dpt-ctab:hover .dpt-cta-o{transform:none}
.dpt-ctw .dpt-cta-o{width:50px;height:50px}
body.dpt-fson .dpt-cta{visibility:hidden}
.dpt-run .dpt-cta{display:none}
@media (min-width:700px) and (max-height:800px){ .dpt-cta{padding:16px 22px 14px} .dpt-cta-o{width:50px;height:50px;margin-bottom:10px} .dpt-cta-t{font-size:17px} }
@media (max-width:699px){ .dpt-cta{padding:16px 16px 14px;border-radius:14px} .dpt-cta-o{width:50px;height:50px;margin-bottom:10px} .dpt-cta-t{font-size:16.5px} .dpt-cta-h{font-size:12px;white-space:normal} }
@media (max-width:699px) and (max-height:600px){ .dpt-cta{padding:12px 14px} .dpt-cta-o{width:40px;height:40px;margin-bottom:8px} .dpt-cta-o svg{width:22px;height:22px} .dpt-cta-t{font-size:15px} }
.dpt-cta-o::before{display:none!important}
.dpt-cta{animation:dptGlow 2.4s ease-in-out infinite}
@keyframes dptGlow{0%,100%{box-shadow:0 18px 44px rgba(0,0,0,.4),0 0 0 0 rgba(47,107,255,.0)}50%{box-shadow:0 18px 44px rgba(0,0,0,.4),0 0 0 6px rgba(47,107,255,.28)}}
@media (prefers-reduced-motion:reduce){.dpt-cta{animation:none}}
/* v3: one centred start card inside the stage */
.dpt-main{grid-template-columns:minmax(0,1fr)!important}
.dpt-main>.dpt-row,.dpt-main>.dpt-bar,.dpt-main>.dpt-warn{grid-column:1!important;grid-row:auto!important}
.dpt-main>.dpt-prev,.dpt-main>.dpt-fx,.dpt-main>.dpt-ctw,.dpt-main>.dpt-resbig{grid-row:1!important}
.dpt-main>.dpt-row .dpt-sw,.dpt-main>.dpt-row .dpt-seg{justify-content:center}
.dpt-main>.dpt-bar{justify-content:center}
.dpt-prev{cursor:pointer;box-sizing:border-box}
.dpt-site .dpt-prev,.dpt-site .dpt-ctw{display:block}
.dpt-cta{pointer-events:auto;cursor:default;width:min(420px,calc(100% - 28px));padding:20px 22px 18px}
.dpt-cta-o{width:56px;height:56px;margin:0 auto 12px;background:#161c26;border:1px solid rgba(255,255,255,.12);border-radius:14px}
.dpt-site .dpt-cta-t{margin:0!important;font:700 20px/1.2 var(--hf);color:#fff!important;white-space:normal}
.dpt-site .dpt-cta-h{margin:6px 0 0!important;color:#b8c0c9!important;font:500 13.5px/1.4 var(--bf);white-space:normal}
.dpt-cta-b{display:flex;gap:8px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.dpt-cta-b .dpt-bp{min-width:0;flex:1 1 auto;max-width:240px}
.dpt-site .dpt-cta .dpt-bp{background:#fff!important;color:var(--ink)!important;border-color:#fff!important;box-shadow:0 3px 0 #9aa3ad!important}
.dpt-site .dpt-cta .dpt-bp:hover,.dpt-site .dpt-cta .dpt-bp:focus-visible{background:#e9eef7!important;color:var(--ink)!important;border-color:#e9eef7!important}
.dpt-site .dpt-cta .dpt-bp svg path{fill:var(--ink)}
.dpt-site .dpt-b2{background:transparent!important;color:#fff!important;border:1px solid rgba(255,255,255,.35)!important;box-shadow:none!important}
.dpt-site .dpt-b2:hover,.dpt-site .dpt-b2:focus-visible{background:rgba(255,255,255,.12)!important;color:#fff!important;border-color:rgba(255,255,255,.6)!important}
.dpt-prev:hover .dpt-cta,.dpt-ctw:hover .dpt-cta{transform:translate(-50%,-50%)}
.dpt-fx{position:relative}
@media (min-width:700px) and (max-height:800px){ .dpt-cta{padding:16px 18px 14px}.dpt-cta-o{width:44px;height:44px;margin-bottom:8px}.dpt-site .dpt-cta-t{font-size:18px}.dpt-cta-b{margin-top:12px} }
@media (max-width:699px){ .dpt-cta{padding:14px 14px 12px;width:calc(100% - 20px)} .dpt-cta-o{width:42px;height:42px;margin-bottom:8px}.dpt-cta-o svg{width:22px;height:22px} .dpt-site .dpt-cta-t{font-size:17px}.dpt-site .dpt-cta-h{font-size:12.5px}.dpt-cta-b{margin-top:12px}.dpt-cta-b .dpt-b{flex:1 1 0;padding:0 10px;font-size:14px;min-height:44px} }
@media (max-width:699px) and (max-height:700px){ .dpt-cta-o{display:none} .dpt-cta{padding:12px} .dpt-cta-b{margin-top:10px} }
@media (max-width:699px) and (max-height:600px){ .dpt-site .dpt-cta-h{display:none} }