:root{--accent-color: #111111;--surface-color: #f7f7f7;--text-color: #111111;--muted-text: #6d6d6d;--panel-color: #eeeeee26;--panel-border: rgba(17, 17, 17, .12);font-family:DM Sans,Avenir Next,Segoe UI,sans-serif;color:var(--text-color);background:#fff;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{min-height:100vh;background:#fff}a{color:inherit}button,input{font:inherit}input{color:var(--text-color)}.shell{position:relative;min-height:100vh;padding:40px 20px;color:var(--text-color)}.shell-embedded{min-height:auto;padding:12px}.shell-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.shell-main{position:relative;max-width:1120px;margin:0 auto}.hero{margin-bottom:24px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--panel-border);color:var(--muted-text);font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}.hero h1{max-width:760px;margin:16px 0 12px;font-size:clamp(2rem,4vw,4.5rem);line-height:.98;letter-spacing:-.05em}.hero p{max-width:720px;margin:0;color:var(--muted-text);font-size:1.05rem}.grid{display:grid;gap:18px}.card{padding:24px;border:1px solid var(--panel-border);background:var(--panel-color);box-shadow:0 24px 80px var(--shadow-color)}.card h2,.card h3{margin-top:0}.card h2{margin-bottom:12px;font-size:1.9rem;line-height:1.08;letter-spacing:-.04em}.card p{line-height:1.55}.accent-card{background:#e7e7e7}.muted-card{background:#eaeaea}.highlight-card{background:#eeeeee26}.mode-grid,.choice-grid{display:grid;gap:12px}.mode-card{display:flex;flex-direction:column;gap:6px;align-items:flex-start;padding:18px;border-radius:8px;border:1px solid rgba(30,26,23,.1);background:#fff;cursor:pointer;text-align:left;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.mode-card:hover,.mode-card:focus-visible{transform:translateY(-2px)}.mode-card-active{border-color:#11111147;box-shadow:0 12px 30px #11111114}.mode-card-title{font-size:1.05rem;font-weight:700;line-height:1.2;padding-top:2px;padding-left:6px}.mode-card-description,.card p,.card small,.feature-list,.chart-link{color:var(--muted-text)}.chart-link-button{padding:0;border:0;background:transparent;color:inherit;text-decoration:underline;cursor:pointer}.feature-list{margin:16px 0 0;padding-left:18px}.metric-field{display:block;margin-bottom:18px}.metric-header{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.metric-slider{width:100%;accent-color:var(--accent-color)}.calibration-scale-control{display:grid;gap:12px;margin-bottom:18px}.calibration-slider-box{position:relative;min-height:360px;display:grid;grid-template-columns:minmax(0,1fr) 54px;align-items:center;padding:18px 16px;overflow:hidden;border:1px solid rgba(30,26,23,.1);border-radius:18px;background:linear-gradient(180deg,#ffffffd1,#ffffff8a),repeating-linear-gradient(0deg,transparent 0,transparent 31px,rgba(30,26,23,.06) 32px);touch-action:none}.calibration-slider-scale{position:absolute;top:18px;right:16px;bottom:18px;display:grid;grid-template-rows:repeat(21,1fr);pointer-events:none}.calibration-slider-scale:before{content:"";position:absolute;top:4px;right:-7px;bottom:4px;width:1px;background:#1113}.calibration-slider-scale span{display:block;justify-self:end;width:8px;height:1px;background:#11111157}.calibration-slider-scale .scale-major{width:18px;background:#11111194}.calibration-vertical-slider{position:absolute;top:28px;right:42px;bottom:28px;width:42px;margin:0;cursor:grab;touch-action:none;-webkit-tap-highlight-color:transparent}.calibration-vertical-slider:active{cursor:grabbing}.calibration-vertical-slider:before{content:"";position:absolute;top:0;left:50%;bottom:0;width:10px;border:1px solid rgba(17,17,17,.22);border-radius:999px;background:linear-gradient(180deg,#1113,#11111114),#ffffffb8;box-shadow:inset 0 1px 3px #24160e1f;transform:translate(-50%)}.calibration-slider-thumb{position:absolute;left:50%;width:52px;height:36px;border:3px solid white;border-radius:999px;background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.38) 0 3px,transparent 4px),linear-gradient(135deg,#222,#111);box-shadow:0 12px 24px #24160e3d,0 0 0 1px #11111147;transform:translate(-50%,50%)}.finger-span-control{display:grid;gap:12px;margin-bottom:18px}.finger-span-box{position:relative;display:grid;place-items:center;width:100%;min-height:280px;overflow:hidden;border:1px solid rgba(30,26,23,.1);border-radius:8px;background:linear-gradient(180deg,#ffffffd1,#ffffff8a),repeating-linear-gradient(0deg,transparent 0,transparent 31px,rgba(30,26,23,.06) 32px)}.finger-span-fill{position:absolute;left:0;right:0;top:50%;width:100%;min-height:12%;background:#c3c3c3;transform:translateY(-50%);transform-origin:center center;transition:height .18s ease}.finger-span-scale{position:absolute;top:14px;right:14px;bottom:14px;display:grid;grid-template-rows:repeat(46,1fr);pointer-events:none}.finger-span-scale:before{content:"";position:absolute;top:4px;right:-7px;bottom:4px;width:1px;background:#1113}.finger-span-scale span{position:relative;display:block;justify-self:end;width:8px;height:1px;background:#11111157}.finger-span-scale .scale-major{width:18px;background:#11111194}.finger-span-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ring-actions{margin-top:12px}.step-button{min-height:48px;border:1px solid rgba(30,26,23,.1);border-radius:8px;background:#ffffffc7;color:var(--text-color);cursor:pointer;font-size:1.35rem;font-weight:800;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.step-button:hover,.step-button:focus-visible{border-color:#1111116b;box-shadow:0 0 0 4px #11111114}.calibration-card{display:grid;place-items:center;gap:2px;text-align:center;position:absolute;top:auto;bottom:18px;left:-150px;width:85.6mm;height:53.98mm;aspect-ratio:1.586;border-radius:18px;border:1px solid rgba(255,255,255,.38);background:linear-gradient(135deg,#ffffff38,#00000014),linear-gradient(135deg,#222,#111);color:#fff;transform-origin:center center;box-shadow:0 16px 44px #4e352838;pointer-events:none;padding-left:18px;padding-right:8px}.calibration-card small{color:#ffffffb8;font-size:.8rem}@media(min-width:801px){.calibration-card{left:28%;transform:translate(-50%)}}@media(max-width:800px){.calibration-slider-box{min-height:390px;padding:22px 16px}.calibration-card{top:auto;bottom:18px;left:-160px;padding-left:54px;padding-right:18px;justify-items:center;text-align:center}.calibration-card span{font-size:.68rem;line-height:1.1}.calibration-card strong{font-size:.8rem}.calibration-card small{font-size:.62rem}}.ring-preview{display:grid;place-items:center;min-height:220px;margin-top:14px;border-radius:24px;background:#ffffff80;border:1px dashed rgba(30,26,23,.12)}.ring-preview-circle{border-radius:999px;border:9px solid rgba(170,169,169,.76);box-shadow:inset 0 0 0 1px #ffffff80}.choice-row{display:flex;flex-direction:column;gap:10px}.choice-options,.actions{display:flex;flex-wrap:wrap;gap:10px}.chip-button,.button-primary,.button-secondary,.inventory-chip{border:1px solid transparent}.chip-button{padding:10px 14px;background:#ffffffbf;border-color:#1e1a171a;color:var(--muted-text);cursor:pointer}.chip-button-active{border-color:#afafaf6b;color:var(--text-color);background:#94949424}.actions{margin-top:24px}.button-primary,.button-secondary{padding:12px 18px;cursor:pointer}.button-primary{background:#111;color:#fff}.button-secondary{background:#fff;border-color:#1111111f;color:#111}@media(max-width:800px){.shell{padding-bottom:104px}.card{padding:20px 16px}.mode-grid{gap:14px}.mode-card{padding:18px}.mode-card-title{font-size:1.02rem;padding-left:10px}.mode-card-description{font-size:.92rem;line-height:1.45;padding-left:10px;padding-right:12px;padding-top:2px}.actions{width:100%;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;margin-top:0;padding:12px;justify-content:stretch}.actions .button-primary,.actions .button-secondary{flex:1 1 0;min-width:0}}.qr-stack-split{grid-template-columns:minmax(0,1fr) minmax(280px,420px);align-items:start}.qr-result-card{min-height:100%}.result-mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}.result-mini-grid dt{font-size:.78rem;color:var(--muted-text);margin-bottom:4px}.result-mini-grid dd{margin:0;font-size:1.05rem;font-weight:700}@media(max-width:800px){.qr-stack-split{grid-template-columns:1fr}}.result-preview,.table-card{align-self:stretch}.stat-kicker{color:var(--muted-text);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.stat-value,.result-headline{margin-top:10px;font-size:clamp(2rem,5vw,4rem);line-height:.95;letter-spacing:-.06em}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:20px 0 0}.result-grid dt{color:var(--muted-text);font-size:.82rem}.result-grid dd{margin:4px 0 0;font-size:1.1rem;font-weight:700}.preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.preview-grid dd{font-size:1rem;overflow-wrap:anywhere}.inventory-chip{display:inline-flex;align-items:center;padding:12px 16px;margin-top:10px;background:#f0f0f0;border-color:#11111124}.product-context{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px;align-items:center;margin:12px 0;padding:12px;border:1px solid rgba(30,26,23,.08);border-radius:14px;background:#fff;color:inherit;text-decoration:none}.product-context img{width:64px;aspect-ratio:1;border-radius:10px;object-fit:cover}.product-context div{display:grid;gap:4px}.product-context strong{font-size:1rem}.product-context span,.product-context small{color:var(--muted-text)}.product-context-compact{margin-bottom:6px}.chart-link{margin-top:20px}.chart-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;place-items:center;padding:16px;background:#11111157;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.chart-modal-panel{width:min(960px,100%);max-height:min(84vh,900px);overflow:auto;padding:18px;border:1px solid rgba(17,17,17,.12);background:#fff;box-shadow:0 20px 60px #1113}.chart-modal-header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:14px}.chart-modal-header h2{margin:0 0 6px;font-size:1.35rem}.chart-modal-header p{margin:0;color:var(--muted-text)}.chart-modal-close{min-height:40px;padding:0 14px;border-radius:8px;border:1px solid rgba(17,17,17,.12);background:#fff;color:#111;cursor:pointer}.size-table{width:100%;border-collapse:collapse}.size-table-skeleton{display:grid;gap:10px}.skeleton-row{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,1fr) minmax(0,.9fr) minmax(0,.9fr) minmax(0,.8fr) minmax(0,.9fr);gap:8px}.skeleton-row span{height:18px;border-radius:6px;background:linear-gradient(90deg,#ededed 25%,#e3e3e3 37%,#ededed 63%);background-size:400% 100%;animation:shimmer 1.2s ease-in-out infinite}.skeleton-head span{height:24px;background:linear-gradient(90deg,#dedede 25%,#cfcfcf 37%,#dedede 63%)}.size-table-skeleton .skeleton-row+.skeleton-row{margin-top:2px}.size-table th,.size-table td{padding:12px;text-align:left;border-bottom:1px solid rgba(30,26,23,.08)}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}.settings-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:18px;align-items:start}.settings-card{display:grid;gap:18px}.settings-summary{position:sticky;top:20px}.settings-section-header{display:flex;gap:14px;align-items:flex-start}.settings-section-header h2,.settings-section-header p{margin:0}.step-number{display:inline-grid;flex:0 0 auto;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent-color);color:#fff;font-weight:800}.form-field{display:grid;gap:8px;color:var(--muted-text);font-weight:700}.form-field input{width:100%;min-height:48px;padding:12px 14px;border:1px solid rgba(30,26,23,.12);border-radius:14px;background:#ffffffc7;outline:none}.form-field input:focus{border-color:#b16b4c8c;box-shadow:0 0 0 4px #b16b4c1f}.scale-options{display:grid;gap:10px}.radio-card{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:start;padding:14px;border:1px solid rgba(30,26,23,.1);border-radius:16px;background:#fff;cursor:pointer}.radio-card input{margin-top:4px;accent-color:#111111}.radio-card strong,.radio-card small{display:block}.radio-card small,.save-note{color:var(--muted-text)}.radio-card-active{border-color:#11111173;background:#f2f2f2}.tab-shell{display:grid;gap:18px}.tab-list{display:inline-flex;width:fit-content;max-width:100%;padding:6px;gap:6px;border:1px solid var(--panel-border);border-radius:16px;background:#fff;overflow-x:auto;position:sticky;top:12px;z-index:35;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.tab-button{min-height:42px;padding:10px 14px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--muted-text);cursor:pointer;white-space:nowrap}.tab-button-active{border-color:#11111138;background:#f2f2f2;color:var(--text-color);font-weight:800}.qr-card{display:grid;place-items:center;min-height:360px}.qr-card-full{min-height:420px}.qr-card-centered{justify-items:center}.qr-stack{display:grid;gap:18px}.guide-tabs{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.qr-card img{width:min(100%,300px);aspect-ratio:1;border-radius:18px;background:#fff;box-shadow:0 18px 44px #24160e21}.qr-placeholder{display:grid;place-items:center;width:min(100%,300px);aspect-ratio:1;border:1px dashed rgba(30,26,23,.16);border-radius:18px;color:var(--muted-text)}.qr-placeholder-loading{border-style:solid;background:linear-gradient(180deg,#f7f7f7,#ececec);box-shadow:inset 0 1px #ffffffb8}.qr-mobile-wait{min-height:calc(100vh - 190px)}.qr-direct-link{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:999px;border:1px solid rgba(17,17,17,.12);background:#111;color:#fff;text-decoration:none;font-weight:700}.mobile-loader-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:#fff}.mobile-loader-card{display:grid;justify-items:center;gap:14px;padding:22px 26px;border:1px solid rgba(17,17,17,.12);border-radius:20px;background:#f7f7f7;box-shadow:0 16px 36px #11111114}.mobile-loader-spinner{width:34px;height:34px;border-radius:999px;border:3px solid rgba(17,17,17,.16);border-top-color:#111;animation:mobile-spin .9s linear infinite}@keyframes mobile-spin{to{transform:rotate(360deg)}}.qr-target{display:grid;gap:8px}.qr-target span{color:var(--muted-text);font-weight:800}.qr-target code{display:block;padding:12px;border:1px solid rgba(30,26,23,.08);border-radius:12px;background:#fff;overflow-wrap:anywhere}.access-denied{margin:0;padding:12px 14px;border:1px solid rgba(17,17,17,.12);border-radius:12px;background:#f1f1f1;color:#111;font-weight:800}.no-access-card{display:grid;min-height:360px;place-items:center;text-align:center}.no-access-card h2{margin:0;font-size:clamp(2rem,7vw,4rem);line-height:1}.faq-card{display:grid;gap:10px}.faq-item{border:1px solid rgba(17,17,17,.1);border-radius:16px;background:#fff;overflow:hidden}.faq-trigger{display:flex;width:100%;justify-content:space-between;align-items:center;gap:14px;padding:16px;border:0;background:transparent;color:var(--text-color);cursor:pointer;text-align:left;font-weight:800}.faq-item p{margin:0;padding:0 16px 16px;color:var(--muted-text)}@media(max-width:800px){.two-up,.settings-layout{grid-template-columns:1fr}.settings-summary{position:static}.shell{padding:20px 12px 28px}.card{padding:18px;margin-bottom:50px}.hero h1{font-size:clamp(1.8rem,12vw,3rem)}.calibration-card strong,.calibration-card small,.calibration-card span{margin-left:100px}}