: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}.flow-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding:0 2px}.flow-nav-button{border:none;background:transparent;color:#111;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:2.5rem;line-height:1}.flow-nav-close{font-size:2rem}.flow-nav-button:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.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:0;font-size:28px;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;margin-top:20px}.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:8px;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}.ring-sizer-measure-existing-ring .finger-span-control{position:absolute;background:#fcfcfc;width:100%;margin-top:30px;margin-left:-18px;padding:15px;border:1px solid var(--panel-border);background:var(--panel-color);box-shadow:0 24px 80px var(--shadow-color)}.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 rgb(30 26 23);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:var(--calibration-card-width, 85.6mm);height:var(--calibration-card-height, 53.98mm);aspect-ratio:1.586;border-radius:13px;border:1px solid rgba(255,255,255,.38);background:linear-gradient(135deg,#ffffff38,#00000014),linear-gradient(135deg,#222,#111);color:#fff;transform:translate(0) scale(var(--calibration-scale, 1));transform-origin:center bottom;box-shadow:0 16px 44px #4e352838;pointer-events:none;padding-left:18px;padding-right:8px}.calibration-card small{color:#ffffffb8;font-size:.8rem}.cardname-row{display:inline-flex;align-items:center;gap:8px}.card-brand-icon{display:inline-flex;align-items:center}.card-brand-icon-circle{width:24px;height:24px;opacity:.6;border-radius:999px;display:inline-block}.card-brand-icon-circle-light{background:#f4f4f4;margin-right:-5px;z-index:1}.card-brand-icon-circle-dark{background:#cfd2d6}@media(min-width:801px){.calibration-card{left:28%;transform:translate(-50%) scale(var(--calibration-scale, 1))}}@media(max-width:800px){.calibration-scale-control{width:100%}.calibration-slider-box{width:calc(90vw + 5px);margin-left:calc(54% - 50vw + 5px);min-height:450px;padding:16px 6px 24px}.calibration-card{left:5%;bottom:40px;width:calc(100vw - 8px);max-width:none;justify-content:right;height:calc((90vw - 8px) / 1.42);max-height:none;aspect-ratio:1.586;padding:26px 20px;transform:translate(-50%) scale(var(--calibration-scale, 1))}.calibration-card .cardname{font-size:1.05rem;line-height:1.1;width:100%;text-align:right}.calibration-card .cardnumber{font-size:1rem;line-height:1.1}.card-brand-icon-circle{width:28px;height:28px}.cardname-row{width:100%;text-align:right;justify-content:right;margin-top:-30px}}.ring-preview{display:grid;place-items:center;min-height:220px;margin-top:14px;border-radius:8px;background:#ffffff80;border:2px dashed rgb(0 0 0)}.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 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#0000000a}.admin-hero-panel{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:24px}.admin-hero-panel h2,.admin-main h2{font-size:1.8rem;line-height:1.15}.admin-card{padding:20px}.admin-primary-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border-radius:8px;background:#202223;color:#fff;text-decoration:none;font-weight:800;white-space:nowrap}.admin-metric-grid,.admin-app-grid,.admin-contact-grid,.admin-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.admin-form-grid,.admin-contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-status-card{display:grid;gap:8px;padding:18px}.admin-status-card span{color:#6d7175;font-size:.82rem;font-weight:800}.admin-status-card strong{overflow-wrap:anywhere}.admin-status-success{border-color:#8fc78f;background:#f1f8f1}.admin-status-muted{background:#f8f8f8}.admin-step-list{margin:14px 0 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