@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";
:root{--bg-main:#fcfcfc;--bg-card:#fff;--bg-subtle:#f4f4f5;--bg-muted:#fafafa;--text-primary:#09090b;--text-secondary:#52525b;--text-muted:#71717a;--border-light:#e4e4e7;--border-medium:#d4d4d8;--primary-btn-bg:#09090b;--primary-btn-hover:#27272a;--primary-btn-text:#fff;--accent-color:#18181b;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--shadow-sm:0 1px 2px 0 #0000000a;--shadow-md:0 4px 6px -1px #0000000a, 0 2px 4px -2px #0000000a}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-main);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;font-size:14px}.container{max-width:1080px;margin:0 auto;padding:0 24px}.site-header{border-bottom:1px solid var(--border-light);z-index:50;background-color:#fff;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:1080px;height:60px;margin:0 auto;padding:0 24px;display:flex}.brand-logo{letter-spacing:-.01em;color:var(--text-primary);align-items:center;gap:8px;font-size:15px;font-weight:700;display:flex}.brand-icon{width:18px;height:18px}.header-nav{align-items:center;gap:24px;display:flex}.nav-link{color:var(--text-secondary);font-size:13px;font-weight:500;transition:color .15s}.nav-link:hover{color:var(--text-primary)}.header-badge{color:var(--text-muted);align-items:center;gap:12px;font-size:13px;display:flex}.header-btn{background-color:var(--primary-btn-bg);color:var(--primary-btn-text);border-radius:var(--radius-md);border:none;padding:6px 14px;font-size:13px;font-weight:600;transition:background-color .15s}.header-btn:hover{background-color:var(--primary-btn-hover)}.code-link{color:var(--text-primary);justify-content:center;align-items:center;transition:opacity .15s;display:flex}.code-link:hover{opacity:.7}.hero-section{padding:64px 0 48px}.hero-grid{grid-template-columns:1fr 1fr;align-items:center;gap:48px;display:grid}.hero-title{letter-spacing:-.03em;color:var(--text-primary);margin-bottom:16px;font-size:38px;font-weight:700;line-height:1.15}.hero-subtext{color:var(--text-secondary);max-width:440px;margin-bottom:28px;font-size:15px;line-height:1.6}.btn-primary{background-color:var(--primary-btn-bg);color:var(--primary-btn-text);border-radius:var(--radius-md);border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:background-color .15s,transform 50ms;display:inline-flex}.btn-primary:hover{background-color:var(--primary-btn-hover)}.btn-primary:active{transform:scale(.99)}.hero-preview-frame{border:1px solid var(--border-light);border-radius:var(--radius-xl);background-color:#fff;padding:16px;box-shadow:0 10px 25px -5px #0000000d,0 8px 10px -6px #00000008}.generator-section{padding:32px 0 56px}.generator-grid{grid-template-columns:1.25fr .95fr;align-items:start;gap:24px;display:grid}.generator-card{background-color:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);padding:24px}.type-tabs-container{background-color:var(--bg-subtle);border-radius:var(--radius-lg);gap:2px;margin-bottom:24px;padding:4px;display:flex}.type-tab-btn{color:var(--text-muted);border-radius:var(--radius-md);white-space:nowrap;background:0 0;border:none;flex:1;justify-content:center;align-items:center;gap:6px;padding:7px 10px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.type-tab-btn:hover{color:var(--text-primary)}.type-tab-btn.active{color:var(--text-primary);background-color:#fff;font-weight:600;box-shadow:0 1px 3px #00000012,0 0 0 1px #0000000a}.form-group{margin-bottom:18px}.form-label{color:var(--text-primary);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-label-sub{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:6px;font-size:11px;font-weight:700;display:block}.form-input-wrapper{align-items:center;display:flex;position:relative}.input-icon-prefix{color:var(--text-muted);pointer-events:none;align-items:center;display:flex;position:absolute;left:12px}.form-input{border:1px solid var(--border-light);border-radius:var(--radius-md);width:100%;height:40px;color:var(--text-primary);background-color:#fff;padding:0 12px;font-size:14px;transition:border-color .15s,box-shadow .15s}.form-input.has-prefix{padding-left:36px}.form-input.has-suffix{padding-right:36px}.input-icon-suffix-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;padding:4px;display:flex;position:absolute;right:8px}.input-icon-suffix-btn:hover{color:var(--text-primary)}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--text-primary);box-shadow:0 0 0 1px var(--text-primary);outline:none}.form-textarea{border:1px solid var(--border-light);border-radius:var(--radius-md);width:100%;color:var(--text-primary);resize:vertical;background-color:#fff;min-height:84px;padding:10px 12px;font-size:14px;line-height:1.5;transition:border-color .15s,box-shadow .15s}.form-select{border:1px solid var(--border-light);border-radius:var(--radius-md);width:100%;height:40px;color:var(--text-primary);cursor:pointer;background-color:#fff;padding:0 12px;font-size:14px}.form-grid-2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.form-checkbox-row{cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--text-primary);align-items:center;gap:8px;margin-top:8px;font-size:13px;font-weight:500;display:flex}.form-checkbox-row input[type=checkbox]{width:16px;height:16px;accent-color:var(--text-primary);cursor:pointer}.helper-text{color:var(--text-muted);margin-top:6px;font-size:12px}.error-text{color:#dc2626;margin-top:4px;font-size:12px}.customization-divider{background-color:var(--border-light);height:1px;margin:24px 0 20px}.customize-title{letter-spacing:-.01em;margin-bottom:16px;font-size:15px;font-weight:700}.customize-grid{grid-template-columns:1.1fr .9fr;gap:20px;display:grid}.colors-row{gap:16px;display:flex}.color-input-group{flex-direction:column;display:flex}.color-picker-control{align-items:center;gap:6px;display:flex}.color-swatch-btn{border-radius:var(--radius-md);border:1px solid var(--border-medium);cursor:pointer;width:32px;height:32px;padding:0;position:relative;overflow:hidden}.color-swatch-hidden-input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;top:0;left:0}.hex-text-input{border:1px solid var(--border-light);border-radius:var(--radius-md);text-transform:uppercase;width:82px;height:32px;color:var(--text-primary);padding:0 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px}.hex-text-input:focus{border-color:var(--text-primary);outline:none}.logo-uploader-box{flex-direction:column;display:flex}.logo-upload-btn{border:1px dashed var(--border-medium);background-color:var(--bg-muted);border-radius:var(--radius-md);width:100%;height:32px;color:var(--text-secondary);justify-content:center;align-items:center;gap:6px;font-size:12px;font-weight:500;transition:all .15s;display:flex}.logo-upload-btn:hover{background-color:var(--bg-subtle);border-color:var(--text-muted);color:var(--text-primary)}.logo-active-preview{border:1px solid var(--border-light);border-radius:var(--radius-md);background-color:var(--bg-muted);justify-content:space-between;align-items:center;height:32px;padding:0 8px;display:flex}.logo-thumb{object-fit:contain;border-radius:2px;width:20px;height:20px}.logo-name{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;max-width:90px;font-size:11px;overflow:hidden}.logo-remove-btn{color:var(--text-muted);background:0 0;border:none;align-items:center;padding:2px;display:flex}.logo-remove-btn:hover{color:#dc2626}.contrast-warning{border-radius:var(--radius-md);color:#b45309;background-color:#fffbeb;border:1px solid #fef3c7;margin-top:12px;padding:8px 12px;font-size:11px;line-height:1.4}.preview-card{background-color:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-direction:column;padding:24px;display:flex}.preview-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.preview-title{color:var(--text-primary);font-size:14px;font-weight:600}.preview-status-badge{text-transform:uppercase;letter-spacing:.04em;color:#16a34a;background-color:#f0fdf4;border:1px solid #dcfce7;border-radius:999px;align-items:center;gap:6px;padding:2px 8px;font-size:11px;font-weight:700;display:flex}.status-dot{background-color:#16a34a;border-radius:50%;width:6px;height:6px}.qr-display-box{aspect-ratio:1;border-radius:var(--radius-lg);background-color:#fff;justify-content:center;align-items:center;width:100%;max-width:320px;margin:0 auto 24px;display:flex;position:relative}.qr-canvas-preview{object-fit:contain;width:100%;max-width:280px;height:100%;max-height:280px;image-rendering:pixelated}.qr-empty-state{border:1.5px dashed var(--border-medium);border-radius:var(--radius-lg);text-align:center;background-color:var(--bg-muted);flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:24px;display:flex}.empty-watermark-icon{width:48px;height:48px;color:var(--border-medium);margin-bottom:12px}.empty-title{color:var(--text-secondary);margin-bottom:4px;font-size:13px;font-weight:600}.empty-subtext{color:var(--text-muted);font-size:12px}.format-segmented-control{background-color:var(--bg-subtle);border-radius:var(--radius-md);margin-bottom:12px;padding:3px;display:flex}.format-toggle-btn{color:var(--text-muted);border-radius:var(--radius-sm);background:0 0;border:none;flex:1;padding:6px;font-size:12px;font-weight:600;transition:all .15s}.format-toggle-btn.active{color:var(--text-primary);background-color:#fff;box-shadow:0 1px 2px #0000000f}.download-action-btn{background-color:var(--primary-btn-bg);width:100%;height:40px;color:var(--primary-btn-text);border-radius:var(--radius-md);border:none;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;transition:background-color .15s;display:flex}.download-action-btn:hover{background-color:var(--primary-btn-hover)}.download-action-btn:disabled{opacity:.5;cursor:not-allowed}.copy-action-btn{width:100%;height:40px;color:var(--text-primary);border:1px solid var(--border-light);border-radius:var(--radius-md);background-color:#fff;justify-content:center;align-items:center;gap:8px;font-size:14px;font-weight:500;transition:background-color .15s;display:flex}.copy-action-btn:hover{background-color:var(--bg-subtle)}.copy-action-btn:disabled{opacity:.5;cursor:not-allowed}.features-section{border-top:1px solid var(--border-light);padding:64px 0}.section-header{margin-bottom:32px}.section-title{letter-spacing:-.02em;color:var(--text-primary);margin-bottom:6px;font-size:22px;font-weight:700}.section-subtext{color:var(--text-secondary);font-size:14px}.features-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.feature-card{background-color:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-xl);cursor:pointer;flex-direction:column;padding:20px;transition:border-color .15s,box-shadow .15s;display:flex}.feature-card:hover{border-color:var(--border-medium);box-shadow:var(--shadow-md)}.feature-icon-box{background-color:var(--bg-subtle);border-radius:var(--radius-md);width:36px;height:36px;color:var(--text-primary);justify-content:center;align-items:center;margin-bottom:14px;display:flex}.feature-title{color:var(--text-primary);margin-bottom:6px;font-size:15px;font-weight:700}.feature-desc{color:var(--text-secondary);font-size:13px;line-height:1.5}.privacy-section{border-top:1px solid var(--border-light);text-align:center;padding:64px 0}.privacy-icon-pill{background-color:var(--bg-subtle);border-radius:var(--radius-lg);width:44px;height:44px;color:var(--text-primary);justify-content:center;align-items:center;margin-bottom:20px;display:inline-flex}.privacy-title{letter-spacing:-.02em;color:var(--text-primary);margin-bottom:14px;font-size:24px;font-weight:700}.privacy-text{color:var(--text-secondary);max-width:640px;margin:0 auto;font-size:14px;line-height:1.6}.site-footer{border-top:1px solid var(--border-light);background-color:#fff;padding:32px 0}.footer-inner{max-width:1080px;color:var(--text-muted);justify-content:space-between;align-items:center;margin:0 auto;padding:0 24px;font-size:13px;display:flex}.footer-links{align-items:center;gap:20px;display:flex}.footer-link{color:var(--text-muted);transition:color .15s}.footer-link:hover{color:var(--text-primary)}.privacy-page{max-width:760px;margin:0 auto;padding:60px 0 80px}.privacy-page-title{letter-spacing:-.02em;margin-bottom:12px;font-size:32px;font-weight:700}.privacy-page-intro{color:var(--text-secondary);border-bottom:1px solid var(--border-light);margin-bottom:36px;padding-bottom:24px;font-size:16px;line-height:1.6}.privacy-block{margin-bottom:32px}.privacy-block h2{color:var(--text-primary);margin-bottom:10px;font-size:18px;font-weight:700}.privacy-block p{color:var(--text-secondary);margin-bottom:12px;font-size:14px;line-height:1.6}.privacy-block ul{margin-bottom:12px;padding-left:20px}.privacy-block li{color:var(--text-secondary);margin-bottom:6px;font-size:14px;line-height:1.6}@media (max-width:860px){.hero-grid{grid-template-columns:1fr;gap:32px}.generator-grid{grid-template-columns:1fr}.features-grid{grid-template-columns:1fr 1fr}.customize-grid{grid-template-columns:1fr}}@media (max-width:600px){.hero-title{font-size:30px}.type-tabs-container{padding-bottom:6px;overflow-x:auto}.type-tab-btn{flex:none;padding:6px 12px}.features-grid,.form-grid-2{grid-template-columns:1fr}.footer-inner{flex-direction:column;align-items:flex-start;gap:16px}}