:root{--bg:#f3f7fc;--paper:#ffffff;--ink:#17233b;--soft:#65738a;--line:#d7e2ef;--blue:#2563eb;--blue2:#22b8cf;--warn:#fff7d6;--shadow:0 18px 45px rgba(66,47,18,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.68}body.stage-open{overflow:hidden}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit}.pg-container,.pg-app-container{width:min(860px,calc(100% - 28px));margin-inline:auto}.pg-skip{position:fixed;left:16px;top:-80px;z-index:999;padding:8px 12px;background:#fff;border:2px solid var(--ink)}.pg-skip:focus{top:16px}.pg-header{display:none}.pg-tool-shell{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:80}.pg-phys-ruler{background:#fff;overflow:hidden}.pg-ruler-horizontal{height:74px;border-bottom:1px solid #cfd4dd;display:none}.pg-ruler-horizontal.visible{display:block}.pg-ruler-vertical{position:fixed;left:0;top:0;width:44px;height:100vh;border-right:1px solid #cfd4dd;z-index:79;display:none}.pg-ruler-vertical.visible{display:block}.pg-phys-ruler canvas{display:block;width:100%;height:100%}.pg-toolbar{min-height:76px;display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;padding:14px;background:#fff}.pg-segment{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}.pg-segment input{position:absolute;opacity:0;pointer-events:none}.pg-segment label{padding:11px 18px;font-weight:850;color:#4d5562;user-select:none}.pg-segment input:checked+label{background:var(--blue);color:#fff}.pg-tool-btn,.pg-actions-row button,.pg-inline-form button,.pg-modal-close{border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 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var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px;margin-bottom:28px}.pg-panel h2{font-size:20px;margin:0 0 10px}.pg-panel p{color:var(--soft);margin-top:0}.pg-inline-form{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.pg-inline-form label,.pg-contact label{display:grid;gap:7px}.pg-inline-form span,.pg-contact label span{font-weight:850;color:#5e6673}.pg-inline-form input,.pg-contact input,.pg-contact textarea{border:1px solid var(--line);border-radius:10px;background:#fff;padding:11px 13px}.pg-inline-form input{width:126px;text-align:center}.pg-actions-row{display:flex;gap:12px;flex-wrap:wrap}.pg-prose h2{font-size:24px;margin:28px 0 10px}.pg-prose h2:first-child{margin-top:0}.pg-prose p,.pg-prose li{color:#3f4550}.pg-faq__grid{display:grid;gap:12px}.pg-faq details,.pg-page__side details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:15px}.pg-faq summary,.pg-page__side summary{display:flex;justify-content:space-between;gap:12px;cursor:pointer;font-weight:900;list-style:none}.pg-faq summary::-webkit-details-marker,.pg-page__side summary::-webkit-details-marker{display:none}.pg-stage{position:fixed;inset:0;background:#fff;z-index:9999;display:none}.pg-stage.active{display:block}.pg-stage canvas{display:block;width:100%;height:100%}.pg-stage-corner{position:absolute;left:0;top:0;width:54px;height:54px;display:grid;place-items:center;color:var(--blue);font-weight:950;font-size:13px;pointer-events:none}.pg-stage-toolbar{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 42px rgba(0,0,0,.16);border-radius:999px;padding:9px 12px}.pg-stage-toolbar button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-weight:850}.pg-measure-box-stage{position:absolute;left:50%;top:46%;width:190px;height:114px;border:3px solid var(--blue);background:rgba(19,122,99,.12);cursor:move;touch-action:none}.pg-measure-box-stage span{position:absolute;left:50%;top:-38px;transform:translateX(-50%);background:var(--blue);color:#fff;border-radius:999px;padding:7px 12px;font-weight:900;white-space:nowrap}.pg-measure-box-stage.label-inside span{top:9px}.measure-handle{position:absolute;width:14px;height:14px;background:#fff;border:3px solid var(--blue);border-radius:50%}.measure-handle.nw{left:-10px;top:-10px;cursor:nwse-resize}.measure-handle.ne{right:-10px;top:-10px;cursor:nesw-resize}.measure-handle.se{right:-10px;bottom:-10px;cursor:nwse-resize}.measure-handle.sw{left:-10px;bottom:-10px;cursor:nesw-resize}.pg-modal{border:0;border-radius:18px;padding:0;max-width:min(720px,calc(100% - 24px));box-shadow:0 30px 80px rgba(0,0,0,.24)}.pg-modal::backdrop{background:rgba(17,22,32,.44)}.pg-modal-card{position:relative;padding:26px;display:grid;gap:15px}.pg-modal-card h2{margin:0;font-size:26px}.pg-modal-card p{margin:0;color:var(--soft)}.pg-modal-close{position:absolute;right:14px;top:14px;width:38px;height:38px;border-radius:50%;padding:0;font-size:24px;line-height:1}.pg-cal-method{border:1px solid var(--line);border-radius:12px;padding:15px;background:#fff}.pg-cal-method summary{font-weight:900;cursor:pointer}.pg-card-sizer{height:54px;border-radius:10px;border:2px dashed var(--blue);background:#eef7ff;display:grid;place-items:center;margin:14px 0;max-width:100%;overflow:hidden}.pg-card-sizer span{font-weight:900;color:var(--blue)}#ppi-slider{width:100%;accent-color:var(--blue)}.pg-mini-note{margin-top:10px;color:var(--soft)}.pg-page-hero{padding:54px 0 24px}.pg-page-hero h1{font-size:clamp(36px,6vw,58px);line-height:1.1;margin:12px 0}.pg-kicker{display:inline-block;color:var(--blue);font-weight:900;letter-spacing:.14em;font-size:12px}.pg-page-intro{max-width:760px;color:var(--soft);font-size:18px}.pg-page{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;padding-bottom:64px}.pg-page__main,.pg-page__side{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:24px}.pg-contact{display:grid;gap:15px;margin-top:24px}.pg-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pg-honeypot{position:absolute;left:-9999px}.pg-notice{padding:13px;border-radius:10px;margin-top:18px}.pg-notice.is-ok{background:#e8f5df}.pg-notice.is-error{background:#ffe2df}.pg-footer{background:#222732;color:#f8fafc;margin-top:40px}.pg-footer__inner{max-width:900px;margin:auto;padding:30px 16px;display:grid;gap:18px}.pg-footer__brand{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none}.pg-footer p{color:#d7dbe2}.pg-footer nav{display:flex;gap:15px;flex-wrap:wrap}.pg-footer a{color:#fff}.pg-footer__copy{border-top:1px solid 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strong{width:100%}.pg-form-grid{grid-template-columns:1fr}}@media(max-width:560px){.pg-ruler-horizontal{height:62px}.pg-toolbar{min-height:64px;padding:10px}.pg-segment label,.pg-tool-btn{padding:10px 12px;white-space:nowrap}.pg-app-container{width:min(100% - 20px,860px)}.pg-title-row{align-items:flex-start}.pg-title-row h1{font-size:28px}.pg-panel{padding:16px}.pg-stage-corner{width:46px;height:46px}.pg-inline-form{align-items:stretch}.pg-measure-box-stage{width:150px;height:90px;left:34%;top:42%}}


/* Quick calibration form: stable alignment on desktop and mobile */
.pg-quick-calibration .pg-inline-form{display:grid;grid-template-columns:minmax(150px,1fr) 126px auto auto auto;align-items:end;gap:10px}
.pg-quick-calibration .pg-inline-form label{display:contents}
.pg-quick-calibration .pg-inline-form label>span,.pg-quick-calibration .pg-inline-form>span{align-self:end;padding-bottom:11px;white-space:nowrap}
.pg-quick-calibration .pg-inline-form input,.pg-quick-calibration .pg-inline-form button{width:100%;min-height:46px;margin:0}
.pg-quick-calibration .pg-inline-form button{white-space:nowrap}
@media(max-width:640px){.pg-quick-calibration .pg-inline-form{grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:stretch}.pg-quick-calibration .pg-inline-form label>span{grid-column:1/-1;padding:0;align-self:auto}.pg-quick-calibration .pg-inline-form input{grid-column:1;grid-row:2}.pg-quick-calibration .pg-inline-form>span{grid-column:2;grid-row:2;align-self:center;padding:0}.pg-quick-calibration .pg-inline-form #quick-calibrate-btn,.pg-quick-calibration .pg-inline-form #quick-open-modal{grid-column:1/-1}.pg-quick-calibration .pg-inline-form #quick-calibrate-btn{grid-row:3}.pg-quick-calibration .pg-inline-form #quick-open-modal{grid-row:4}}

/* v2.1 distinct calibration surface */
.pg-tool-shell{background:#ffffff;border-bottom-color:#d3dfec}.pg-phys-ruler{background:#ffffff}.pg-ruler-horizontal{border-bottom-color:#d3dfec}.pg-ruler-vertical{border-right-color:#d3dfec}.pg-toolbar{background:#ffffff}.pg-segment input:checked+label{background:#2563eb;color:#fff}.pg-title-icon{background:linear-gradient(135deg,#2563eb,#22b8cf)}.pg-primary{background:#2563eb!important;border-color:#2563eb!important}.pg-stage{background:#ffffff}.pg-stage-corner{color:#2563eb}.pg-measure-box-stage{border-color:#2563eb;background:rgba(19,122,99,.12)}.pg-measure-box-stage span{background:#2563eb}.measure-handle{border-color:#2563eb}.pg-brand__mark{background:#2563eb}.pg-page-hero,.pg-app-body{background:radial-gradient(circle at 10% 0,rgba(240,168,58,.16),transparent 28%),linear-gradient(180deg,#f8f2e8 0,#f3f7fc 260px,#f3f7fc 100%)}.pg-panel,.pg-page__main,.pg-page__side{background:#ffffff;border-color:#d7e2ef}.pg-tool-btn,.pg-actions-row button,.pg-inline-form button{border-color:#c5d4e4;background:#f8fbff;color:#26352f}.pg-tool-btn:hover,.pg-actions-row button:hover,.pg-inline-form button:hover{border-color:#2563eb;color:#2563eb}.pg-modal{border-radius:24px;max-width:min(980px,calc(100% - 24px));background:#ffffff;color:#17233b}.pg-modal::backdrop{background:rgba(31,39,31,.58);backdrop-filter:blur(4px)}.pg-modal-card{padding:0;gap:0;background:#ffffff;border:1px solid #eadcc1;border-radius:24px;overflow:hidden}.pg-modal-close{right:18px;top:18px;background:#17233b;color:#fff;border:0;box-shadow:0 10px 24px rgba(31,39,31,.18)}.pg-cal-head{padding:30px 34px 24px;background:linear-gradient(135deg,#172b5c 0,#2563eb 58%,#22b8cf 100%);color:#fff}.pg-cal-head h2{font-size:clamp(28px,4vw,42px);line-height:1.04;margin:10px 48px 10px 0}.pg-cal-head p{max-width:760px;color:#e4efff}.pg-cal-badge{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.46);border-radius:999px;padding:6px 12px;font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:#fff}.pg-cal-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:18px;background:#f3f7fc}.pg-cal-row{display:grid;grid-template-columns:48px minmax(0,1fr);gap:14px;padding:18px;border:1px solid #d7e2ef;border-radius:18px;background:#ffffff;box-shadow:0 12px 28px rgba(66,47,18,.07)}.pg-cal-row--wide,.pg-cal-card-row{grid-column:1/-1}.pg-cal-number{width:42px;height:42px;border-radius:14px;background:#17233b;color:#f6c96f;display:grid;place-items:center;font-size:13px;font-weight:950}.pg-cal-row h3{margin:0 0 6px;font-size:20px;line-height:1.2}.pg-cal-row p{margin:0 0 14px;color:#65738a}.pg-field{display:grid;gap:7px;margin:0 0 12px}.pg-field span{font-weight:900;color:#4e4538}.pg-field select,.pg-field input,.pg-inline-form--tight input{border:1px solid #c5d4e4;border-radius:14px;background:#fffdfa;padding:12px 14px;color:#17233b}.pg-cal-action,.pg-cal-secondary{border:0;border-radius:14px;padding:12px 16px;font-weight:950}.pg-cal-action{background:#2563eb;color:#fff;box-shadow:0 10px 20px rgba(19,122,99,.18)}.pg-cal-secondary{background:#eaf1f8;color:#394b68}.pg-cal-action:hover{background:#0f604f}.pg-cal-secondary:hover{background:#dce8f5}.pg-card-orientation{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 12px}.pg-card-orientation button{border:1px solid #c5d4e4;border-radius:999px;background:#fffdfa;color:#394b68;padding:9px 13px;font-weight:900}.pg-card-orientation button.is-active{background:#17233b;color:#fff;border-color:#17233b}.pg-card-stage{min-height:160px;border-radius:18px;border:1px solid #d7e2ef;background:repeating-linear-gradient(135deg,#f8f0de 0,#f8f0de 12px,#f3e6ce 12px,#f3e6ce 24px);display:flex;align-items:center;justify-content:center;overflow:auto;padding:18px;margin:12px 0}.pg-card-sizer{height:86px;border-radius:18px;border:0;background:linear-gradient(135deg,#17483d,#2563eb 62%,#22b8cf);box-shadow:0 14px 30px rgba(19,122,99,.2),inset 0 0 0 1px rgba(255,255,255,.22);display:grid;place-items:center;margin:0;max-width:100%;overflow:hidden;color:#fff}.pg-card-sizer.is-portrait{min-width:70px}.pg-card-sizer span{font-weight:950;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.22)}#ppi-slider{width:100%;accent-color:#2563eb}.pg-cal-footer-actions{display:flex;gap:10px;flex-wrap:wrap}.pg-mini-note{margin-top:10px;color:#65738a;font-weight:750}.pg-status.success{background:#e8f3df;border-color:#c5ddb0;color:#2f6f2c}.pg-status.warning{background:#fff7d6;border-color:#e7c47f;color:#9a5e00}@media(max-width:760px){.pg-cal-grid{grid-template-columns:1fr;padding:12px}.pg-cal-row{grid-template-columns:1fr;padding:16px}.pg-cal-number{width:max-content;padding:0 12px}.pg-cal-head{padding:26px 22px}.pg-cal-head h2{margin-right:42px}.pg-card-stage{justify-content:flex-start}.pg-modal{max-width:calc(100% - 14px)}}