:root{--bg:#f2f3f7;--surface:#ffffff;--ink:#24252b;--muted:#62636c;--line:#d6d6de;--coral:#d43827;--coral-dark:#b42b1a;--pale:#fce9e4;--blue:#294dc9;--error:#b12028;--radius:16px;--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 'Segoe UI',sans-serif}button,input,select{font:inherit}button,a,summary,.upload{touch-action:manipulation}a{color:inherit;text-underline-offset:4px}button,summary{cursor:pointer}button{transition:background .15s,transform .15s}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid var(--blue);outline-offset:4px}::selection{background:var(--coral);color:white}input{caret-color:var(--coral)}header,main,footer{max-width:1280px;margin:auto}header{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}header>a:last-child{font-size:14px;text-decoration:none;padding:12px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:19px;font-weight:750;letter-spacing:-.4px}.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--coral);color:white;font-size:27px;font-weight:450}.brand-light{font-size:13px;font-weight:450;margin-left:6px;color:var(--muted);letter-spacing:0}.titleline{display:flex;justify-content:space-between;align-items:end;padding:34px 0 30px;gap:24px}h1{font-size:clamp(38px,4.4vw,64px);font-weight:650;line-height:1.08;letter-spacing:-.045em;margin:0}h2{font-size:25px;line-height:1.25;letter-spacing:-.6px;font-weight:650;margin:0}h3{font-size:20px;line-height:1.3;margin:28px 0 10px}.privacy{font-size:14px;color:var(--muted);line-height:1.5;margin:0 0 3px}.workbench{display:grid;grid-template-columns:1.03fr 1fr;gap:24px;align-items:start}.inputs,.result{padding:30px;min-width:0;border-radius:var(--radius)}.inputs{background:var(--surface)}.result{background:var(--pale);position:relative}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.section-head a{font-size:12px}.tiny{font-size:11px;color:var(--muted);max-width:105px;text-align:right}.modebar{display:flex;gap:8px;margin:24px 0}.modebar button{padding:10px 16px;border:1px solid var(--line);border-radius:30px;background:transparent;min-height:44px;font-size:13px;color:var(--muted)}.modebar button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.modebar button:hover{border-color:var(--ink)}.note,.hint{font-size:13px;color:var(--muted);line-height:1.6;margin:12px 0}.upload{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:240px;border-radius:12px;background:var(--coral);color:white;position:relative;cursor:pointer;text-align:center;padding:28px 20px;margin:20px 0 16px;transition:background .15s}.upload:hover{background:var(--coral-dark)}.upload:focus-within{outline:3px solid var(--blue);outline-offset:4px}.upload-icon{font-size:48px;line-height:1;font-weight:300;margin-bottom:12px}.upload strong{font-size:24px;letter-spacing:-.5px;font-weight:600}.upload>span:last-of-type{font-size:14px;margin-top:7px}.upload input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}#photoPanel>.note:first-child{font-size:14px;max-width:48ch}#autoStatus:empty{display:none}#autoStatus:not(:empty){padding:12px 0;color:var(--ink);font-size:13px}#rerun{color:var(--coral-dark);font-weight:600}.fieldgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}label{display:block;min-width:0}label>span{font-size:12px;color:var(--muted)}label b{font-size:14px;font-weight:600;color:var(--ink);margin-left:6px}label small{display:block;font-size:12px;color:var(--muted);margin:4px 0 8px}input[type=number]{display:block;min-width:0;width:100%;border:1px solid var(--line);border-radius:8px;min-height:54px;background:var(--surface);color:var(--ink);padding:10px 12px;font-size:21px;font-variant-numeric:tabular-nums}input::placeholder{color:var(--muted);font-size:16px}input[aria-invalid=true]{border-color:var(--error)}.error{color:var(--error);font-size:13px}.error:empty{display:none}.primary,#saveCard{border:0;background:var(--coral);color:white;min-height:52px;width:100%;padding:14px 18px;border-radius:8px;font-size:15px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:12px}.primary:hover,#saveCard:hover{background:var(--coral-dark)}.actions{display:flex;justify-content:space-between;gap:12px}.textbutton{background:none;border:0;min-height:44px;padding:10px 0;color:var(--muted);font-size:12px}.textbutton:hover{color:var(--ink);text-decoration:underline}details{border-top:1px solid var(--line)}summary{min-height:48px;list-style:none;padding:16px 0;font-size:14px;font-weight:600;display:flex;justify-content:space-between;gap:12px}summary::-webkit-details-marker{display:none}summary span{font-size:12px;font-weight:400;color:var(--muted)}#extra{margin:22px 0}#extra>.note{margin:0 0 20px}#measure{padding-top:14px}#measure>.hint{margin-bottom:20px}.inputs:has(#photoMode[aria-pressed=true]) #measure{display:none}.inputs:has(#photoMode[aria-pressed=true]):has(#photoTools:not([hidden])) .upload{min-height:64px;padding:15px}.inputs:has(#photoTools:not([hidden])) .upload-icon{display:none}.inputs:has(#photoTools:not([hidden])) .upload strong{font-size:16px}.inputs:has(#photoTools:not([hidden])) .upload>span:last-of-type{display:none}#photoTools canvas{display:block;width:100%;height:auto;border-radius:10px;background:var(--bg);touch-action:none;cursor:crosshair}#photoTools>details{margin:20px 0 12px}#photoTools>p{font-size:12px;color:var(--muted)}#photoTools>p:last-child{display:block}#undo{display:none}#photoTools .actions{justify-content:flex-end}select{width:100%;min-height:48px;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font-size:14px}#pointSelect{margin-top:12px}#completeVisual{padding:34px 0 26px}#completeVisual p{margin:0 0 8px;font-size:15px}#completeVisual>strong{display:block;font-size:110px;line-height:1.05;font-weight:600;letter-spacing:-7px;font-variant-numeric:tabular-nums;color:var(--coral-dark)}#completeVisual>span{display:block;font-size:13px;color:var(--muted);margin-top:10px}.result-top{border-top:1px solid #e0c8c3;padding-top:18px;display:none}.result:has(#breakdown:empty) .result-top{display:block}.eyebrow{font-size:12px;letter-spacing:0;font-weight:500}.ratio{font-size:32px;line-height:1.25;letter-spacing:-1px}.ratio span{font-size:16px}#equation{font-size:13px;color:var(--muted)}.ruler,.rulerlabels,.deviation,.result-note{display:none}#breakdown article{padding:18px 0;border-top:1px solid #e0c8c3}#breakdown h3{font-size:17px;font-weight:650;margin:0 0 8px;letter-spacing:-.25px}#breakdown p{font-size:13px;line-height:1.6;margin:6px 0;font-variant-numeric:tabular-nums}#breakdown>p{margin:16px 0;color:var(--muted)}#hairProvenance{font-size:12px!important}.result-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;border-top:1px solid #e0c8c3;margin-top:24px;padding-top:14px}.result-actions>button:first-child{border:0;background:none;padding:10px 0;min-height:44px;font-size:13px;color:var(--ink)}#copyStatus,#cardStatus{font-size:13px;color:var(--muted);min-height:0}.result-foot{margin-top:18px;border-top:1px solid #e0c8c3;padding-top:18px;font-size:12px;color:var(--muted)}.result-foot p{margin:0}.result-foot strong{font-weight:400}#sharePanel{border-top:1px solid #e0c8c3;padding-top:22px;margin-top:22px}#sharePanel label{display:flex;gap:10px;align-items:center;font-size:13px;min-height:44px;margin-bottom:8px}#sharePanel input{width:19px;height:19px;accent-color:var(--coral)}.below-strip{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:24px 0 30px;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line)}.editorial{display:grid;grid-template-columns:1fr 1.25fr;gap:100px;padding:64px 0;border-bottom:1px solid var(--line)}.editorial h2,.faq h2{font-size:36px;line-height:1.18;letter-spacing:-1px;text-wrap:balance}.editorial p,.faq p{font-size:15px;color:var(--muted);max-width:70ch;line-height:1.65;text-wrap:pretty}.editorial h2+p{margin-top:20px}.guide-list article{padding:0 0 26px}.guide-list article:last-child{padding-bottom:0}.guide-list article>span{display:none}.guide-list h3{margin:0 0 10px}.guide-list p{margin:0}.method h3:first-child{margin-top:0}.formula{background:var(--surface);padding:20px;border-radius:12px;color:var(--ink)!important;overflow-wrap:anywhere}.faq{max-width:780px;margin:64px auto 80px}.faq h2{margin-bottom:30px}.faq details p{margin:0 0 24px}.faq summary{font-size:16px;padding:20px 0}.faq summary:after{content:'+'}.faq details[open] summary:after{content:'−'}footer{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding:26px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}footer .brand{font-size:14px}.skip{position:absolute;left:16px;top:-100px;z-index:20;background:var(--surface);padding:12px}.skip:focus{top:12px}[hidden]{display:none!important}.result.has-result{animation:result-in .35s var(--ease)}@keyframes result-in{from{transform:translateY(8px)}to{transform:translateY(0)}}
@media(max-width:1360px){header,main,footer{margin-left:4%;margin-right:4%}}@media(max-width:760px){header{height:72px}.brand{font-size:16px}.brand-light{display:none}.titleline{display:block;padding:26px 0 24px}h1{font-size:42px;letter-spacing:-1.8px}.privacy{margin-top:12px;font-size:13px}.privacy br{display:none}.workbench{grid-template-columns:1fr;gap:20px}.inputs,.result{padding:22px}.section-head h2{font-size:22px}.section-head a{font-size:12px}.modebar{margin:20px 0}.upload{min-height:224px}.upload strong{font-size:22px}#completeVisual{padding:25px 0}#completeVisual>strong{font-size:94px}.editorial{grid-template-columns:1fr;gap:28px;padding:44px 0}.editorial h2,.faq h2{font-size:30px}.guide-list article{padding-bottom:24px}.below-strip{font-size:11px;justify-content:flex-start;gap:10px 22px}.faq{margin:44px 0 60px}#breakdown h3{font-size:17px}.tiny{font-size:11px}.fieldgrid{gap:16px 12px}.result-actions{gap:18px}footer{gap:18px}#photoTools canvas{border-radius:8px}}@media(max-width:360px){h1{font-size:36px}.inputs,.result{padding:18px}.section-head{align-items:start}.section-head a{max-width:82px}header .brand{gap:7px}.brand .mark{width:32px;height:32px}.modebar button{padding:10px 12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.upload>span{color:#fff}.upload>span.upload-icon{color:#fff}.result:has(#breakdown:empty) .result-top{display:none}

#sharePanel{margin-top:0;margin-bottom:24px}.result-top .eyebrow{font-size:13px}.inputs:has(#photoTools:not([hidden])) #photoPanel>.note:first-child{display:none}

#viewResult{display:none}#results{scroll-margin-top:16px}@media(max-width:760px){#viewResult{display:block;background:var(--coral);color:white;text-align:center;padding:14px;text-decoration:none;border-radius:8px;font-weight:600;min-height:50px;margin:16px 0}}

header .brand{gap:11px;min-height:44px} .brand-word{font-size:22px;font-weight:750;letter-spacing:-1.1px;line-height:1.2}.brand-slash{color:var(--coral);padding:0 3px;font-weight:450}.brand-lens{position:relative;display:block;width:31px;height:31px;background:linear-gradient(var(--coral),var(--coral)) left top/10px 3px no-repeat,linear-gradient(var(--coral),var(--coral)) left top/3px 10px no-repeat,linear-gradient(var(--coral),var(--coral)) right bottom/10px 3px no-repeat,linear-gradient(var(--coral),var(--coral)) right bottom/3px 10px no-repeat}.brand-lens i{position:absolute;width:9px;height:9px;border:2px solid var(--ink);border-radius:50%;left:11px;top:11px}@media(max-width:760px){.brand-word{font-size:20px}.brand-lens{width:28px;height:28px}.brand-lens i{left:9px;top:9px}}

.portrait-logo{display:block;width:58px;height:58px;flex:none}.portrait-logo svg{width:100%;height:100%;display:block}.focus-corners{transform-origin:36px 36px;animation:portrait-lock 5s cubic-bezier(.16,1,.3,1) infinite}.focus-confirm{animation:portrait-confirm 5s ease-out infinite;transform-origin:57px 16px}@keyframes portrait-lock{0%{transform:scale(1.22);opacity:.2}14%,85%{transform:scale(1);opacity:1}100%{transform:scale(1.22);opacity:.2}}@keyframes portrait-confirm{0%,12%{opacity:0;transform:scale(.6)}20%,85%{opacity:1;transform:scale(1)}100%{opacity:0}}@media(max-width:760px){.portrait-logo{width:48px;height:48px}}

.portrait-logo{width:64px;height:64px}.focus-corners{transform-origin:40px 40px}.portrait-logo[data-motion="on"] .focus-corners{animation:line-lock 3.2s cubic-bezier(.16,1,.3,1) infinite!important}.portrait-logo[data-motion="on"] .focus-confirm{animation:line-confirm 3.2s ease-out infinite!important;transform-origin:63px 18px}.portrait-logo[data-motion="off"] .focus-corners,.portrait-logo[data-motion="off"] .focus-confirm{animation:none!important;transform:none;opacity:1}@keyframes line-lock{0%{transform:translate(-3px,2px) scale(1.3);opacity:.25}35%,72%{transform:translate(0,0) scale(1);opacity:1}100%{transform:translate(-3px,2px) scale(1.3);opacity:.25}}@keyframes line-confirm{0%,30%{opacity:0}40%,72%{opacity:1}100%{opacity:0}}#logoMotion{margin-right:auto;margin-left:16px;background:transparent;border:0;min-height:44px;color:var(--muted);font-size:12px;text-decoration:underline;text-underline-offset:4px}@media(max-width:760px){.portrait-logo{width:48px;height:48px}#logoMotion{margin-left:4px;font-size:11px;padding:4px}.brand-word{font-size:18px}header .brand{gap:6px}header>a:last-child{font-size:12px;padding:6px}}