:root{--color-text-primary: #333;--color-text-secondary: #555;--color-text-muted: #777;--color-bg-primary: #fffaf3;--color-bg-secondary: #fff2e0;--color-bg-input: #fdf7ef;--color-accent: #ce6d06;--color-accent-hover: #e34900;--color-accent-dark: #c93f00;--color-border: #f5d7b3;--color-border-input: #f0e6d2;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .8rem;--font-size-sm: .9rem;--font-size-base: 1rem;--font-size-lg: 1.1rem;--font-size-xl: 1.2rem;--font-size-2xl: 1.4rem;--font-size-3xl: 1.8rem;--font-size-4xl: 2.2rem;--font-size-5xl: 2.8rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--spacing-4xl: 5rem;--spacing-5xl: 6rem;--border-radius: 8px;--border-radius-lg: 12px;--shadow-soft: 0 4px 12px rgba(0,0,0,.08);--shadow-warm: 0 8px 24px rgba(227, 73, 0, .25);--shadow-warm-hover: 0 10px 28px rgba(227, 73, 0, .35);--transition: all .2s ease}@media(max-width:768px){:root{--font-size-5xl: 2.5rem;--font-size-4xl: 2rem}}@media(max-width:480px){:root{--font-size-5xl: 2rem;--font-size-4xl: 1.75rem}}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;padding:0;font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.7;color:var(--color-text-primary);background:linear-gradient(135deg,#fffaf3,#fff5eb,#fffcf8);background-attachment:fixed;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;line-height:1.2;letter-spacing:-.025em}h1{font-size:var(--font-size-5xl);font-weight:700;color:var(--color-accent);line-height:1.1;text-align:center;text-shadow:0 2px 8px rgba(227,73,0,.2);margin-bottom:var(--spacing-md);letter-spacing:-.03em}h2{font-size:var(--font-size-3xl);font-weight:700;color:var(--color-text-primary);text-align:center;margin-bottom:var(--spacing-lg);letter-spacing:-.02em}h3{font-size:var(--font-size-xl);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--spacing-md)}p{margin:0 0 var(--spacing-md) 0;color:var(--color-text-primary)}a{color:var(--color-accent);text-decoration:none;font-weight:500;transition:var(--transition)}a:hover{color:var(--color-accent-hover);text-decoration:underline}.logo-mark{width:60px;height:60px;background-color:var(--color-accent);border-radius:var(--border-radius);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:var(--font-size-3xl);margin:0 auto var(--spacing-lg);box-shadow:var(--shadow-soft);transition:var(--transition);cursor:pointer}.logo-mark:hover{transform:rotate(-5deg) scale(1.05);box-shadow:var(--shadow-warm)}a.logo-mark,a.logo-mark:hover,a.logo-mark:visited,a.logo-mark:active,a.logo-mark:focus{color:#fff}.tagline{color:var(--color-text-secondary);font-size:var(--font-size-lg);line-height:1.6;margin-bottom:var(--spacing-3xl);font-style:italic;text-align:center;font-weight:400}.btn{display:block;width:100%;padding:var(--spacing-lg) var(--spacing-xl);background-color:var(--color-accent);color:#fff;text-decoration:none;border:none;border-radius:var(--border-radius-lg);font-weight:700;font-size:var(--font-size-xl);cursor:pointer;transition:var(--transition);font-family:inherit;text-align:center;box-shadow:var(--shadow-warm);letter-spacing:-.01em}.btn:hover:not(:disabled){background-color:var(--color-accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-warm-hover)}.btn:disabled{background-color:#ccc;cursor:not-allowed;transform:none;box-shadow:none}.btn.loading{background-color:#ccc;cursor:not-allowed;transform:none;position:relative}.btn.loading:after{content:"";position:absolute;width:20px;height:20px;margin:auto;border:2px solid #fff;border-top:2px solid var(--color-accent);border-radius:50%;animation:spin 1s linear infinite;top:0;left:0;bottom:0;right:0}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.btn-secondary{background-color:transparent;color:var(--color-accent);border:2px solid var(--color-accent);box-shadow:none}.btn-secondary:hover:not(:disabled){background-color:var(--color-accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-warm)}label{display:block;font-weight:700;color:var(--color-text-primary);margin-bottom:var(--spacing-md);font-size:var(--font-size-lg);letter-spacing:-.01em}input[type=text],input[type=email],select,textarea{width:100%;padding:var(--spacing-md);border:1px solid var(--color-border-input);border-radius:var(--border-radius);font-size:var(--font-size-base);font-family:inherit;background-color:var(--color-bg-input);transition:var(--transition);color:var(--color-text-primary)}input[type=text]:focus,input[type=email]:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-accent);background-color:#fff;box-shadow:0 0 0 3px #ce6d061a,0 2px 8px #ce6d0626;transform:scale(1.01)}textarea{resize:vertical;min-height:80px;line-height:1.5}.quiz-url{background-color:#fff;padding:var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--border-radius);font-family:monospace;word-break:break-all;margin-bottom:var(--spacing-md);color:var(--color-accent);font-size:var(--font-size-sm)}.instructions-box{background:linear-gradient(180deg,var(--color-bg-secondary) 0%,#ffe0c7 100%);border:1px solid var(--color-border);border-radius:var(--border-radius);padding:var(--spacing-md);margin:var(--spacing-md) 0}.instructions{margin:0;color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:1.5}.error-box{background-color:#fef2f2;border:1px solid #fecaca;border-radius:var(--border-radius);padding:var(--spacing-lg);margin:var(--spacing-lg) 0;text-align:left;animation:slideUpFade .5s ease-out;overflow-wrap:break-word;word-wrap:break-word}.error-box p{color:#dc2626;margin:0}.error-box code{background-color:#fee2e2;padding:.25rem .5rem;border-radius:4px;font-family:monospace;color:#dc2626;word-break:break-all}.progress-container{margin:var(--spacing-xl) 0}.progress-bar{width:100%;height:20px;background-color:#f0f0f0;border-radius:10px;overflow:hidden;margin-bottom:var(--spacing-sm)}.progress-fill{height:100%;background-color:var(--color-accent);transition:width .3s ease}.progress-text{font-weight:600;color:var(--color-accent);margin-bottom:var(--spacing-md)}.status-text{color:var(--color-text-primary);font-weight:500;margin-bottom:var(--spacing-sm)}.warning-text{color:var(--color-text-muted);font-style:italic;font-size:var(--font-size-sm)}.fun-fact-box{background-color:#f0f9ff;border:2px solid #bae6fd;border-radius:var(--border-radius);padding:var(--spacing-lg);margin:var(--spacing-xl) 0;text-align:left;min-height:120px;transition:var(--transition)}.fun-fact-box h3{color:#0284c7;font-size:var(--font-size-base);margin-bottom:var(--spacing-sm);font-weight:600}.fun-fact{color:var(--color-text-primary);font-size:var(--font-size-sm);line-height:1.6;font-style:italic;margin:0}.how-to-copy{background-color:#f0f9ff;border:1px solid #b3d9ff;border-radius:var(--border-radius);padding:var(--spacing-lg);margin:var(--spacing-lg) 0;text-align:left}.how-to-copy h3{color:var(--color-text-primary);font-size:var(--font-size-lg);margin-bottom:var(--spacing-sm)}.how-to-copy p{color:var(--color-text-secondary);margin-bottom:var(--spacing-md);font-size:var(--font-size-sm)}.screenshot{width:100%;max-width:400px;border:1px solid var(--color-border);border-radius:var(--border-radius);display:block;margin:0 auto;box-shadow:var(--shadow-soft)}.button-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md);max-width:600px;margin:var(--spacing-xl) auto}.button-grid .btn{width:100%;min-height:60px}.pulsing{position:relative;overflow:hidden}.pulsing:after{content:"";position:absolute;top:0;left:-150%;width:150%;height:100%;background:linear-gradient(90deg,transparent 0%,transparent 30%,rgba(255,255,255,.9) 50%,transparent 70%,transparent 100%);animation:shimmer 3s infinite}@keyframes shimmer{0%{left:-100%}to{left:100%}}#app{min-height:100vh;padding:var(--spacing-xl);display:flex;align-items:center;justify-content:center}.quiz-container{background-color:#fffffff2;border:1px solid var(--color-border);border-radius:var(--border-radius-lg);padding:var(--spacing-2xl);max-width:600px;width:100%;box-shadow:0 8px 32px #00000014,0 2px 8px #0000000a;transition:var(--transition)}.quiz-container:hover{box-shadow:0 12px 48px #0000001f,0 4px 12px #0000000f;transform:translateY(-2px)}.form-group{margin-bottom:var(--spacing-2xl)}.form-group:last-of-type{margin-bottom:var(--spacing-3xl)}.char-count{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-left:var(--spacing-sm);font-weight:400;transition:color .3s ease,font-weight .3s ease}.char-count.warning{color:var(--color-accent)}.char-count.orange{color:#ff8c00;font-weight:600}.char-count.red{color:#dc2626;font-weight:600}.slider{width:100%;height:6px;border-radius:5px;background:#ddd;outline:none;-webkit-appearance:none;margin:var(--spacing-md) 0 var(--spacing-sm) 0;cursor:pointer}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:var(--color-accent);cursor:pointer;box-shadow:0 2px 4px #ce6d064d;transition:var(--transition)}.slider::-webkit-slider-thumb:hover{transform:scale(1.1);box-shadow:0 3px 6px #ce6d0666}.slider::-webkit-slider-thumb:active{transform:scale(1.15);box-shadow:0 0 0 4px #ce6d0633,0 3px 6px #ce6d0666}.slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--color-accent);cursor:pointer;border:none;box-shadow:0 2px 4px #ce6d064d;transition:var(--transition)}.slider::-moz-range-thumb:hover{transform:scale(1.1);box-shadow:0 3px 6px #ce6d0666}.slider::-moz-range-thumb:active{transform:scale(1.15);box-shadow:0 0 0 4px #ce6d0633,0 3px 6px #ce6d0666}.slider-labels{display:flex;justify-content:space-between;font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:var(--spacing-xs)}.price-display{background:linear-gradient(180deg,var(--color-bg-secondary) 0%,#ffe0c7 100%);border:2px solid var(--color-accent);border-radius:var(--border-radius);padding:var(--spacing-md);margin-top:var(--spacing-md);text-align:center}.price-display strong{display:block;font-size:var(--font-size-2xl);color:var(--color-accent);margin-bottom:var(--spacing-xs)}.price-breakdown{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-style:italic}.difficulty-group{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-2xl);padding:var(--spacing-lg);background:linear-gradient(135deg,#fffaf380,#fff5eb80);border-radius:var(--border-radius);border:1px solid rgba(206,109,6,.08)}.difficulty-option{padding:var(--spacing-md);border:2px solid var(--color-border);border-radius:var(--border-radius);background-color:var(--color-bg-input);cursor:pointer;text-align:center;transition:var(--transition);position:relative}.difficulty-option:hover{border-color:var(--color-accent);background:linear-gradient(180deg,var(--color-bg-secondary) 0%,#ffe0c7 100%)}.difficulty-option.selected{border-color:var(--color-accent);background:linear-gradient(180deg,var(--color-bg-secondary) 0%,#ffe0c7 100%);box-shadow:0 2px 8px #ce6d061a;animation:selectBounce .4s cubic-bezier(.68,-.55,.265,1.55)}@keyframes selectBounce{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.difficulty-option input[type=radio]{position:absolute;opacity:0;pointer-events:none}.difficulty-option .difficulty-label{font-weight:600;color:var(--color-text-primary);margin-bottom:var(--spacing-xs);display:block}.difficulty-option .difficulty-desc{font-size:var(--font-size-xs);color:var(--color-text-secondary);line-height:1.4}.result{margin-top:var(--spacing-xl);padding:var(--spacing-xl);border-radius:var(--border-radius);text-align:center;animation:slideUpFade .5s ease-out}@keyframes slideUpFade{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.result.success{background-color:#f0f9ff;border:1px solid #b3d9ff}.result.error{background-color:#fef2f2;border:1px solid #fecaca}.result h3{color:var(--color-text-primary);margin-bottom:var(--spacing-md);font-size:var(--font-size-2xl)}.result p{color:var(--color-text-secondary);margin-bottom:var(--spacing-lg);font-size:var(--font-size-base)}.contact-info{background-color:#f8f9fa;border:1px solid #dee2e6;border-radius:var(--border-radius);padding:var(--spacing-md);margin:var(--spacing-md) 0;text-align:left}.contact-info code{background-color:#e9ecef;padding:.25rem .5rem;border-radius:4px;font-family:monospace;color:var(--color-accent);font-weight:500}.contact-info p{margin:var(--spacing-sm) 0;font-size:var(--font-size-sm)}.contact-info small{color:var(--color-text-muted);font-size:var(--font-size-xs)}.retrieve-link{color:var(--color-accent);text-decoration:none;font-weight:600;font-size:var(--font-size-sm);padding:var(--spacing-sm) var(--spacing-md);border:2px solid var(--color-accent);border-radius:var(--border-radius);display:inline-block;transition:var(--transition)}.retrieve-link:hover{background-color:var(--color-accent);color:#fff;transform:translateY(-1px)}.legal-footer{margin-top:var(--spacing-2xl);padding-top:var(--spacing-xl);border-top:1px solid var(--color-border);text-align:center}.legal-footer a{color:var(--color-text-muted);text-decoration:none;font-size:var(--font-size-sm);transition:var(--transition)}.legal-footer a:hover{color:var(--color-accent)}@media(max-width:768px){#app{padding:var(--spacing-md);align-items:flex-start}.quiz-container{padding:var(--spacing-xl);margin:var(--spacing-md) 0}.difficulty-group{grid-template-columns:1fr}}@media(max-width:480px){#app{padding:var(--spacing-sm)}.quiz-container{padding:var(--spacing-lg);border-radius:var(--border-radius)}h1{font-size:var(--font-size-3xl)}.form-group{margin-bottom:var(--spacing-lg)}}.success-container{max-width:600px;width:100%;margin:2rem auto;padding:2rem;background-color:#fff;border:1px solid #eee;border-radius:12px;box-shadow:0 1px 3px #00000008;text-align:center}.payment-footer{position:fixed;bottom:0;left:0;right:0;background-color:#fff8e1;border-top:2px solid #ffc107;box-shadow:0 -2px 10px #0000001a;z-index:1000;padding:1rem 2rem;transition:transform .3s ease,padding .3s ease}.payment-footer.collapsed{padding:0;transform:translateY(calc(100% - 45px))}.footer-toggle{width:100%;padding:.75rem 1rem;background-color:#ffc107;color:#333;border:none;border-bottom:1px solid #ffb300;font-size:.9rem;cursor:pointer;font-family:inherit;font-weight:600;transition:background-color .2s;text-align:center}.footer-toggle:hover{background-color:#ffb300}.payment-footer-content{max-width:600px;margin:0 auto;text-align:center;padding:1rem 0}.payment-footer-message{margin:0 0 .5rem;font-size:.9rem;color:#666;font-weight:600}.payment-footer-id{display:flex;align-items:center;justify-content:center;gap:.5rem;margin:.5rem 0}.payment-footer-id code{background-color:#fff;padding:.5rem 1rem;border-radius:6px;font-family:monospace;color:#ce6d06;font-weight:600;font-size:.85rem;border:1px solid #ffc107}.btn-copy-small{padding:.5rem 1rem;background-color:#ffc107;color:#333;border:none;border-radius:6px;font-size:.85rem;cursor:pointer;font-family:inherit;font-weight:600;transition:background-color .2s}.btn-copy-small:hover{background-color:#ffb300}.payment-footer-contact{margin:.5rem 0 0;font-size:.85rem}.payment-footer-contact a{color:#ce6d06;text-decoration:none;font-weight:600}.payment-footer-contact a:hover{text-decoration:underline}main{padding-bottom:140px}.button-container.svelte-fxq9qg{display:grid;grid-template-columns:1fr;gap:var(--spacing-md);max-width:600px;margin:var(--spacing-xl) auto}.button-container.use-grid.svelte-fxq9qg{grid-template-columns:repeat(2,1fr)}.button-container.use-grid.svelte-fxq9qg .btn:nth-child(odd):last-child{grid-column:span 2}@media(max-width:768px){.button-container.use-grid.svelte-fxq9qg{grid-template-columns:1fr}.button-container.use-grid.svelte-fxq9qg .btn:nth-child(odd):last-child{grid-column:span 1}}.button-container.svelte-fxq9qg .btn{width:100%}.retrieve-container{max-width:600px;width:100%;margin:2rem auto;padding:2rem;background-color:#fffffff2;border:1px solid var(--color-border);border-radius:var(--border-radius-lg);box-shadow:0 8px 32px #00000014,0 2px 8px #0000000a;transition:var(--transition)}.retrieve-container:hover{box-shadow:0 12px 48px #0000001f,0 4px 12px #0000000f;transform:translateY(-2px)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#333}.form-group input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:6px;font-size:1rem;font-family:monospace;transition:border-color .2s}.form-group input:focus{outline:none;border-color:#ce6d06}.help-text{margin-top:.5rem;font-size:.85rem;color:#666;font-style:italic}.retrieve-container .btn{width:100%}.retrieve-container .btn-secondary{width:auto;display:inline-block;margin:0 auto}.progress-section,.result-section,.error-section{text-align:center}.success-message{color:#666;margin-bottom:1.5rem}.error-section p{color:#666;margin-bottom:1rem}.error-section a{color:#ce6d06;text-decoration:none;font-weight:600}.error-section a:hover{text-decoration:underline}.error-section code{background-color:#fee2e2;padding:.25rem .5rem;border-radius:4px;font-family:monospace;color:#dc2626}