:root{color:#111827;background:#f7f9fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink: #111827;--muted: #5b6472;--line: #d9e1ea;--soft: #f2f6fa;--paper: #ffffff;--gold: #b88919;--gold-soft: #fbf2d9;--blue: #2563eb;--teal: #0f766e;--danger: #b42318;--radius: 8px;--shadow: 0 18px 42px rgba(15, 23, 42, .09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.56}a{color:inherit}.app-shell{min-height:100vh;background:linear-gradient(180deg,#fffffff0,#f7f9fbf5),radial-gradient(circle at top left,rgba(184,137,25,.16),transparent 28rem),radial-gradient(circle at top right,rgba(37,99,235,.12),transparent 34rem)}.site-header,main,footer{width:min(1440px,calc(100% - 32px));margin:0 auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0}.brand{display:inline-flex;align-items:center;min-width:0}.brand img{width:min(300px,68vw);height:auto;display:block}.header-actions{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.9rem;white-space:nowrap}.privacy-pill{display:inline-flex;align-items:center;border:1px solid rgba(184,137,25,.32);background:var(--gold-soft);color:#6f4b00;padding:8px 11px;border-radius:999px;font-weight:700}.header-link{text-decoration:none;font-weight:700}.hero{min-height:360px;display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,410px);align-items:center;gap:28px;padding:48px 0 34px}.hero-copy{min-width:0}.eyebrow{color:var(--teal);font-weight:800;margin:0 0 12px;text-transform:uppercase;letter-spacing:0;font-size:.82rem}h1,h2,h3,p{margin-top:0}h1{color:var(--ink);font-size:clamp(2.4rem,5vw,4.9rem);line-height:.96;letter-spacing:0;max-width:820px;margin-bottom:18px}.hero-subtitle{color:#364152;font-size:clamp(1.05rem,2vw,1.35rem);max-width:760px;line-height:1.55}.hero-note{display:inline-flex;align-items:flex-start;gap:10px;max-width:760px;padding:12px 14px;border:1px solid rgba(184,137,25,.38);background:#fffaebdb;border-radius:var(--radius);color:#5f480c;line-height:1.45}.hero-note svg{flex:0 0 auto;margin-top:2px}.hero-proof{display:grid;grid-template-columns:1fr;gap:12px}.hero-proof div{border:1px solid rgba(17,24,39,.1);background:#ffffffc7;box-shadow:var(--shadow);border-radius:var(--radius);padding:20px}.hero-proof strong{display:block;font-size:2rem;color:var(--ink);line-height:1}.hero-proof span{color:var(--muted);font-weight:700}.builder-grid{display:grid;grid-template-columns:minmax(240px,.85fr) minmax(320px,1.25fr) minmax(320px,1fr);gap:18px;align-items:start}.panel,.info-panel,.disclaimer-section,.cta-section{background:#ffffffe6;border:1px solid rgba(17,24,39,.1);border-radius:var(--radius);box-shadow:0 16px 36px #0f172a12}.panel{padding:18px}.preview-panel{grid-row:span 2;position:sticky;top:16px}.custom-panel,.history-panel{grid-column:span 2}.panel-heading{display:flex;gap:10px;align-items:flex-start;margin-bottom:16px}.panel-heading svg{color:var(--gold);flex:0 0 auto;margin-top:2px}.panel-heading h2,.info-panel h2,.disclaimer-section h2,.cta-section h2{font-size:1.05rem;margin-bottom:3px;letter-spacing:0}.panel-heading p{color:var(--muted);line-height:1.4;margin:0;font-size:.92rem}.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mode-button,.action-button,.cta-button,.upload-button,.history-item{border-radius:var(--radius);border:1px solid var(--line);background:#fff;color:var(--ink);transition:transform .16s ease,border-color .16s ease,background-color .16s ease,box-shadow .16s ease}.mode-button{min-height:46px;display:flex;align-items:center;gap:8px;justify-content:flex-start;padding:10px;font-size:.86rem;font-weight:800;text-align:left}.mode-button svg{color:var(--teal);flex:0 0 auto}.mode-button.selected{border-color:#b88919bf;background:linear-gradient(135deg,#fff8e8,#eef7ff);box-shadow:0 10px 24px #b889191f}.field-stack,.custom-grid{display:grid;gap:12px}.field-label{display:grid;gap:7px;color:#273142;font-size:.88rem;font-weight:800}.field-label input,.field-label select,.field-label textarea{width:100%;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:var(--radius);padding:11px 12px;outline:none;min-height:44px}.field-label textarea{resize:vertical;line-height:1.45}.field-label input:focus,.field-label select:focus,.field-label textarea:focus{border-color:#2563ebc7;box-shadow:0 0 0 3px #2563eb1f}.checkbox-label{display:flex;align-items:center;gap:10px;min-height:44px;color:#273142;font-weight:800}.checkbox-label input,.toggle-row input{width:18px;height:18px;accent-color:var(--teal)}.validation-box{display:grid;gap:8px;margin-top:14px}.issue{display:flex;align-items:flex-start;gap:8px;margin:0;padding:10px 11px;border-radius:var(--radius);font-size:.9rem;line-height:1.42}.issue svg{flex:0 0 auto;margin-top:1px}.issue.good{color:#075e54;background:#e7f8f3}.issue.error{color:var(--danger);background:#fff0ee}.issue.warning{color:#755100;background:var(--gold-soft)}.issue.neutral{color:#1d4ed8;background:#eff6ff}.qr-stage{width:min(100%,480px);margin:0 auto 16px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(14px,3vw,22px);text-align:center}.qr-stage canvas{display:block;width:100%;height:auto;aspect-ratio:1 / 1;border-radius:var(--radius);background:#fff}.qr-caption{margin:12px 0 0;font-weight:900;color:var(--ink)}.payload-preview{display:grid;gap:6px;margin-bottom:14px}.payload-preview span{color:var(--muted);font-size:.78rem;font-weight:900;text-transform:uppercase}.payload-preview code{display:block;max-height:130px;overflow:auto;white-space:pre-wrap;word-break:break-word;background:#0f172a;color:#e0f2fe;border-radius:var(--radius);padding:12px;line-height:1.5;font-size:.82rem}.button-grid,.history-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.action-button,.cta-button,.upload-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 12px;font-weight:900;text-decoration:none}.action-button.primary,.cta-button{background:var(--ink);color:#fff;border-color:var(--ink)}.action-button.danger{color:var(--danger)}.action-button:hover:not(:disabled),.mode-button:hover,.upload-button:hover,.history-item:hover,.cta-button:hover{transform:translateY(-1px);box-shadow:0 10px 20px #0f172a14}.status-line{margin:12px 0 0;color:var(--teal);font-weight:800;font-size:.9rem}.custom-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.color-field span,.range-field span{display:flex;align-items:center;gap:10px;justify-content:space-between}.color-field input[type=color]{flex:0 0 48px;width:48px;padding:4px}.color-field input[type=text],.color-field span input:last-child{flex:1}.range-field input[type=range]{padding:0;accent-color:var(--teal)}.range-input-row{display:grid!important;grid-template-columns:minmax(120px,1fr) 92px;gap:10px}.range-input-row input[type=number]{min-height:38px;padding:8px 10px}.range-field strong{color:var(--muted);font-size:.82rem}.toggle-row,.upload-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:14px}.toggle-row label{display:inline-flex;align-items:center;gap:8px;min-height:40px;color:#273142;font-weight:800}.upload-button{position:relative;overflow:hidden}.upload-button input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0}.text-button{border:none;background:transparent;color:var(--blue);font-weight:900;padding:10px 4px}.history-list{display:grid;gap:8px;margin-top:12px;max-height:320px;overflow:auto}.history-item{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;text-align:left}.history-item span{display:grid;gap:3px;min-width:0}.history-item strong,.history-item small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-item small,.history-item time{color:var(--muted)}.empty-state{color:var(--muted);margin:0}.info-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px;margin-top:22px}.info-panel{padding:22px}.info-panel ul,.disclaimer-section ul{padding-left:20px;margin:0;color:#344054;line-height:1.65}.use-case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.use-case{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:14px}.use-case svg{color:var(--teal)}.use-case h3{font-size:.94rem;margin:8px 0 4px}.use-case p{color:var(--muted);line-height:1.45;margin:0;font-size:.88rem}.disclaimer-section,.cta-section{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px;align-items:center;padding:24px;margin-top:18px}.disclaimer-section p,.cta-section p{color:var(--muted);line-height:1.55;margin:0}.cta-section{background:linear-gradient(135deg,#111827f5,#0c4a6eeb),#111827;color:#fff}.cta-section p{color:#d5e6f4}.cta-button{justify-self:end;background:#fff;color:var(--ink);border-color:#fff}footer{display:flex;justify-content:space-between;gap:18px;padding:28px 0 34px;color:var(--muted);font-size:.9rem}@media (max-width: 1120px){.builder-grid{grid-template-columns:minmax(260px,.8fr) minmax(320px,1.2fr)}.preview-panel{grid-column:2;grid-row:span 2}.custom-panel,.history-panel{grid-column:span 2}}@media (max-width: 860px){.site-header{align-items:flex-start;flex-direction:column}.header-actions{width:100%;justify-content:space-between;white-space:normal}.hero,.builder-grid,.info-grid,.disclaimer-section,.cta-section{grid-template-columns:1fr}.hero{padding-top:28px}.preview-panel,.custom-panel,.history-panel{grid-column:auto;grid-row:auto;position:static}.cta-button{justify-self:stretch}}@media (max-width: 560px){.site-header,main,footer{width:min(100% - 22px,1440px)}.hero-proof,.mode-grid,.button-grid,.history-actions,.custom-grid,.use-case-grid{grid-template-columns:1fr}.panel,.info-panel,.disclaimer-section,.cta-section{padding:15px}.mode-button{min-height:44px}footer{flex-direction:column}}@media print{body{background:#fff}.site-header,.mode-panel,.form-panel,.custom-panel,.history-panel,.info-grid,.disclaimer-section,.cta-section,footer,.hero,.payload-preview,.button-grid,.status-line,.panel-heading{display:none!important}main,.builder-grid,.preview-panel{display:block;width:100%;margin:0;box-shadow:none;border:none;padding:0}.qr-stage{width:6in;padding:0;border:none;background:#fff}}