@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--bg-primary:#000;--bg-secondary:#0d0d0d;--bg-tertiary:#141414;--bg-card:#1c1c1eb8;--bg-glass:#ffffff0a;--bg-glass-hover:#ffffff12;--bg-glass-strong:#ffffff14;--accent:#0a84ff;--accent-soft:#0a84ff1f;--accent-medium:#0a84ff40;--accent-glow:#0a84ff26;--gradient-text:linear-gradient(135deg, #6ec1e4, #a78bfa, #f9a8d4, #fbbf24);--gradient-accent:linear-gradient(135deg, #0a84ff, #5e5ce6);--gradient-shimmer:linear-gradient(135deg, #aec6ff14 0%, #c8a0ff0d 50%, #ffc8c80a 100%);--text-primary:#f5f5f7;--text-secondary:#f5f5f799;--text-muted:#f5f5f759;--border-subtle:#ffffff0f;--border-medium:#ffffff1a;--border-glass:#ffffff1f;--border-accent:#0a84ff4d;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 24px #0000004d;--shadow-lg:0 16px 48px #0006;--shadow-glow:0 0 0 1px #0a84ff26, 0 8px 40px #0a84ff14;--blur:blur(40px);--blur-light:blur(20px);--max-width:1120px;--header-height:52px;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,sans-serif;line-height:1.5;overflow-x:hidden}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.header{height:var(--header-height);z-index:100;-webkit-backdrop-filter:saturate(180%) var(--blur-light);border-bottom:1px solid var(--border-subtle);background:#000000b8;position:fixed;top:0;left:0;right:0}.header-inner{max-width:var(--max-width);justify-content:space-between;align-items:center;height:100%;margin:0 auto;padding:0 24px;display:flex}.logo{color:var(--text-primary);align-items:center;gap:8px;text-decoration:none;display:flex}.logo-icon{background:var(--gradient-accent);color:#fff;border-radius:7px;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:800;display:flex}.logo-text{letter-spacing:-.2px;color:var(--text-primary);font-size:15px;font-weight:600}.logo-text span{color:var(--text-secondary)}.nav{align-items:center;gap:2px;display:flex}.nav-link{color:var(--text-secondary);border-radius:8px;padding:6px 14px;font-size:13px;font-weight:400;text-decoration:none;transition:all .2s}.nav-link:hover{color:var(--text-primary);background:var(--bg-glass)}.nav-link.active{color:var(--text-primary)}.hero{padding:calc(var(--header-height) + 100px) 0 60px;align-items:center;min-height:65vh;display:flex;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(#0a84ff0f 0%,#5e5ce60a 30%,#ff375f05 60%,#0000 80%);width:800px;height:500px;animation:8s ease-in-out infinite breathe;position:absolute;top:30%;left:50%;transform:translate(-50%,-50%)}@keyframes breathe{0%,to{opacity:.7;transform:translate(-50%,-50%)scale(1)}50%{opacity:1;transform:translate(-50%,-50%)scale(1.05)}}.hero-content{text-align:center;z-index:1;max-width:720px;margin:0 auto;position:relative}.hero-badge{background:var(--bg-glass);border:1px solid var(--border-subtle);color:var(--text-secondary);-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light);border-radius:999px;align-items:center;gap:6px;margin-bottom:28px;padding:5px 14px;font-size:12px;font-weight:500;animation:.8s fadeInUp;display:inline-flex}.hero-badge-dot{background:#30d158;border-radius:50%;width:5px;height:5px;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.4}}.hero h1{letter-spacing:-2.5px;margin-bottom:20px;font-size:clamp(40px,6vw,72px);font-weight:700;line-height:1.05;animation:.8s .1s both fadeInUp}.hero h1 .gradient-text{background:var(--gradient-text);-webkit-text-fill-color:transparent;background-size:200% 200%;-webkit-background-clip:text;background-clip:text;animation:6s ease-in-out infinite shimmer}@keyframes shimmer{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.hero-subtitle{color:var(--text-secondary);max-width:520px;margin:0 auto 44px;font-size:clamp(16px,2vw,19px);font-weight:400;line-height:1.6;animation:.8s .2s both fadeInUp}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.upload-section{padding:40px 0 80px;position:relative}.upload-zone{border-radius:var(--radius-xl);text-align:center;cursor:pointer;background:var(--bg-glass);max-width:640px;-webkit-backdrop-filter:var(--blur);border:1.5px dashed #ffffff1f;margin:0 auto;padding:56px 40px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative}.upload-zone:hover,.upload-zone.drag-over{box-shadow:var(--shadow-glow);background:#0a84ff0a;border-color:#0a84ff66;transform:scale(1.01)}.upload-zone.drag-over{animation:1.5s ease-in-out infinite pulse-border}@keyframes pulse-border{0%,to{border-color:#0a84ff40}50%{border-color:#0a84ff80}}.upload-icon{background:var(--bg-glass-strong);border:1px solid var(--border-glass);width:56px;height:56px;-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light);border-radius:16px;justify-content:center;align-items:center;margin:0 auto 18px;font-size:24px;display:flex}.upload-zone h3{letter-spacing:-.2px;margin-bottom:6px;font-size:17px;font-weight:600}.upload-zone p{color:var(--text-secondary);font-size:13px}.upload-formats{justify-content:center;gap:6px;margin-top:14px;display:flex}.format-tag{background:var(--bg-glass);border:1px solid var(--border-subtle);color:var(--text-muted);letter-spacing:.3px;border-radius:6px;padding:3px 10px;font-size:11px;font-weight:500}.processing-container{text-align:center;max-width:640px;margin:0 auto}.processing-status{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);flex-direction:column;align-items:center;gap:18px;padding:56px 40px;display:flex}.spinner{border:2.5px solid #ffffff14;border-top-color:var(--accent);border-radius:50%;width:40px;height:40px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.processing-status h3{letter-spacing:-.3px;font-size:18px;font-weight:600}.processing-status p{color:var(--text-secondary);font-size:14px}.progress-bar-track{background:#ffffff0f;border-radius:999px;width:100%;max-width:320px;height:4px;overflow:hidden}.progress-bar-fill{background:var(--accent);border-radius:999px;height:100%;transition:width .5s}.result-container{max-width:840px;margin:0 auto}.result-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);overflow:hidden}.result-comparison{grid-template-columns:1fr 1fr;display:grid;position:relative}.result-comparison:after{content:"→";background:var(--bg-glass-strong);width:36px;height:36px;-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border:1px solid var(--border-glass);z-index:2;color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;font-size:15px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.result-side{flex-direction:column;align-items:center;gap:10px;padding:20px;display:flex}.result-side:first-child{border-right:1px solid var(--border-subtle)}.result-label{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);font-size:11px;font-weight:600}.result-label.enhanced{color:#30d158}.result-image-wrapper{border-radius:var(--radius-md);background:var(--bg-secondary);aspect-ratio:16/10;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.result-image-wrapper img{object-fit:contain;max-width:100%;max-height:100%}.result-meta{gap:14px;padding:2px 0;display:flex}.result-meta-item{color:var(--text-secondary);font-size:12px}.result-meta-item strong{color:var(--text-primary);font-weight:600}.result-actions{border-top:1px solid var(--border-subtle);justify-content:space-between;align-items:center;gap:12px;padding:18px 24px;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;letter-spacing:-.1px;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 20px;font-family:inherit;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#2196ff;transform:scale(1.02)}.btn-primary:active{transform:scale(.98)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border-medium);-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light)}.btn-secondary:hover{background:var(--bg-glass-hover);border-color:var(--border-glass)}.btn-lg{border-radius:var(--radius-md);padding:14px 28px;font-size:16px}.btn-sm{padding:7px 14px;font-size:13px}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.features{padding:100px 0;position:relative}.features:before{content:"";background:linear-gradient(90deg, transparent, var(--border-medium), transparent);height:1px;position:absolute;top:0;left:0;right:0}.features:after{content:"";background:linear-gradient(90deg, transparent, var(--border-medium), transparent);height:1px;position:absolute;bottom:0;left:0;right:0}.section-label{text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);text-align:center;margin-bottom:12px;font-size:12px;font-weight:600}.section-title{text-align:center;letter-spacing:-1.5px;margin-bottom:14px;font-size:clamp(30px,4vw,48px);font-weight:700}.section-subtitle{color:var(--text-secondary);text-align:center;max-width:480px;margin:0 auto 56px;font-size:16px;font-weight:400;line-height:1.6}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;display:grid}.feature-card{background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light);padding:28px;transition:all .3s cubic-bezier(.4,0,.2,1)}.feature-card:hover{background:var(--bg-glass-hover);border-color:var(--border-glass);box-shadow:var(--shadow-md);transform:translateY(-2px)}.feature-icon{border-radius:var(--radius-sm);background:var(--bg-glass-strong);border:1px solid var(--border-subtle);justify-content:center;align-items:center;width:40px;height:40px;margin-bottom:16px;font-size:20px;display:flex}.feature-icon.purple,.feature-icon.blue,.feature-icon.cyan,.feature-icon.green,.feature-icon.orange,.feature-icon.pink{background:var(--bg-glass-strong)}.feature-card h3{letter-spacing:-.2px;margin-bottom:6px;font-size:16px;font-weight:600}.feature-card p{color:var(--text-secondary);font-size:14px;line-height:1.55}.tools-section{padding:100px 0}.tools-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-top:40px;display:grid}.tool-card{background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);color:inherit;-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light);padding:28px;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:block}.tool-card:hover{background:var(--bg-glass-hover);border-color:var(--border-glass);box-shadow:var(--shadow-md);transform:translateY(-2px)}.tool-card h3{letter-spacing:-.2px;margin:14px 0 6px;font-size:16px;font-weight:600}.tool-card p{color:var(--text-secondary);font-size:14px;line-height:1.55}.tool-card-cta{color:var(--accent);align-items:center;gap:4px;margin-top:14px;font-size:14px;font-weight:500;display:inline-flex}.how-it-works{padding:100px 0;position:relative}.how-it-works:before{content:"";background:linear-gradient(90deg, transparent, var(--border-medium), transparent);height:1px;position:absolute;top:0;left:0;right:0}.how-it-works:after{content:"";background:linear-gradient(90deg, transparent, var(--border-medium), transparent);height:1px;position:absolute;bottom:0;left:0;right:0}.steps{grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px;display:grid}.step{text-align:center}.step-number{background:var(--bg-glass-strong);border:1px solid var(--border-glass);width:44px;height:44px;color:var(--accent);-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 16px;font-size:17px;font-weight:700;display:flex}.step h3{letter-spacing:-.2px;margin-bottom:6px;font-size:16px;font-weight:600}.step p{color:var(--text-secondary);font-size:14px;line-height:1.55}.stats-row{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin:56px 0;display:grid}.stat-card{text-align:center;background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light);padding:24px 16px}.stat-value{letter-spacing:-1px;background:var(--gradient-text);-webkit-text-fill-color:transparent;background-size:200% 200%;-webkit-background-clip:text;background-clip:text;font-size:32px;font-weight:700;animation:6s ease-in-out infinite shimmer}.stat-label{color:var(--text-muted);margin-top:4px;font-size:12px;font-weight:500}.checker-output{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);max-width:640px;-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);margin:0 auto;padding:28px}.checker-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:20px;display:grid}.checker-item{background:var(--bg-glass);border-radius:var(--radius-md);border:1px solid var(--border-subtle);padding:14px}.checker-item-label{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:4px;font-size:10px;font-weight:600}.checker-item-value{letter-spacing:-.3px;font-size:18px;font-weight:700}.checker-item-value.good{color:#30d158}.checker-item-value.ok{color:#ffd60a}.checker-item-value.poor{color:#ff453a}.print-sizes{margin-top:20px}.print-sizes h4{margin-bottom:10px;font-size:13px;font-weight:600}.print-size-row{border-radius:8px;justify-content:space-between;align-items:center;padding:8px 10px;font-size:13px;display:flex}.print-size-row:nth-child(2n){background:var(--bg-glass)}.print-quality{border-radius:999px;padding:2px 10px;font-size:11px;font-weight:600}.print-quality.excellent{color:#30d158;background:#30d1581f}.print-quality.good{color:#ffd60a;background:#ffd60a1f}.print-quality.poor{color:#ff453a;background:#ff453a1f}.footer{padding:48px 0 32px;position:relative}.footer:before{content:"";background:linear-gradient(90deg, transparent, var(--border-medium), transparent);height:1px;position:absolute;top:0;left:0;right:0}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:40px;display:flex}.footer-brand p{color:var(--text-muted);max-width:280px;margin-top:8px;font-size:13px;line-height:1.5}.footer-links{gap:48px;display:flex}.footer-col h4{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:10px;font-size:11px;font-weight:600}.footer-col a{color:var(--text-secondary);padding:3px 0;font-size:13px;text-decoration:none;transition:color .2s;display:block}.footer-col a:hover{color:var(--text-primary)}.footer-bottom{color:var(--text-muted);justify-content:space-between;align-items:center;margin-top:40px;padding-top:20px;font-size:12px;display:flex;position:relative}.footer-bottom:before{content:"";background:linear-gradient(90deg, transparent, var(--border-subtle), transparent);height:1px;position:absolute;top:0;left:0;right:0}.scale-selector{justify-content:center;gap:6px;margin:24px 0;display:flex}.scale-option{border:1px solid var(--border-medium);background:var(--bg-glass);color:var(--text-secondary);cursor:pointer;-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light);border-radius:8px;padding:7px 18px;font-family:inherit;font-size:13px;font-weight:500;transition:all .2s}.scale-option:hover{border-color:var(--border-glass);color:var(--text-primary);background:var(--bg-glass-hover)}.scale-option.active{background:var(--accent);border-color:var(--accent);color:#fff}.error-message{border-radius:var(--radius-md);text-align:center;color:#ff453ae6;max-width:440px;-webkit-backdrop-filter:var(--blur-light);backdrop-filter:var(--blur-light);background:#ff453a14;border:1px solid #ff453a26;margin:0 auto;padding:20px;font-size:14px}.error-message strong{color:#ff453a;margin-bottom:4px;display:block}.page{padding-top:var(--header-height);min-height:100vh}.page-hero{text-align:center;padding:56px 0}.page-hero h1{letter-spacing:-1.5px;margin-bottom:10px;font-size:clamp(30px,4vw,48px);font-weight:700}.page-hero p{color:var(--text-secondary);max-width:480px;margin:0 auto;font-size:16px;font-weight:400}.admin-section{padding:calc(var(--header-height) + 60px) 0 80px;min-height:100vh}.admin-section .container{max-width:680px}.admin-login-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);text-align:center;max-width:400px;-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);margin:80px auto 0;padding:40px}.admin-login-card h1{letter-spacing:-.5px;margin-bottom:4px;font-size:24px;font-weight:700}.admin-lock-icon{margin-bottom:16px;font-size:40px}.admin-input{background:var(--bg-glass);border:1px solid var(--border-medium);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);outline:none;padding:12px 16px;font-family:inherit;font-size:14px;transition:border-color .2s}.admin-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.admin-input::placeholder{color:var(--text-muted)}.admin-header{justify-content:space-between;align-items:center;margin-bottom:28px;display:flex}.admin-header h1{letter-spacing:-.8px;font-size:28px;font-weight:700}.admin-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);margin-bottom:16px;padding:24px}.admin-card h2{letter-spacing:-.2px;margin-bottom:16px;font-size:16px;font-weight:600}.admin-backend-toggle{grid-template-columns:1fr 1fr;gap:10px;display:grid}.admin-backend-option{background:var(--bg-glass);border:2px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;text-align:left;color:var(--text-primary);align-items:center;gap:12px;padding:16px;font-family:inherit;transition:all .2s;display:flex;position:relative}.admin-backend-option:hover{border-color:var(--border-glass);background:var(--bg-glass-hover)}.admin-backend-option.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:var(--shadow-glow)}.admin-backend-option strong{font-size:14px;font-weight:600;display:block}.admin-backend-option span{color:var(--text-muted);margin-top:2px;font-size:12px;display:block}.admin-backend-icon{background:var(--bg-glass-strong);border-radius:var(--radius-sm);border:1px solid var(--border-subtle);flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:24px;display:flex}.admin-active-badge{background:var(--accent);color:#fff;border-radius:999px;padding:2px 8px;font-size:10px;font-weight:600;position:absolute;top:8px;right:8px}.admin-status-row{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:10px 0;font-size:13px;display:flex}.admin-status-row:last-of-type{border-bottom:none}.admin-status-row span:first-child{color:var(--text-secondary)}.admin-status-row code{background:var(--bg-glass);color:var(--text-secondary);border-radius:4px;padding:2px 8px;font-family:SF Mono,Fira Code,monospace;font-size:12px}.admin-status-online{font-weight:500;color:#30d158!important}.admin-status-offline{font-weight:500;color:#ff453a!important}.admin-gpu-list{border-top:1px solid var(--border-subtle);margin-top:16px;padding-top:16px}.admin-gpu-card{background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);margin-bottom:8px;padding:10px 12px}.admin-gpu-name{color:var(--text-secondary);margin-bottom:8px;font-size:12px;font-weight:600}.admin-gpu-bar-track{background:#ffffff0f;border-radius:999px;width:100%;height:4px;margin-bottom:6px;overflow:hidden}.admin-gpu-bar-fill{background:linear-gradient(90deg,#30d158,#0a84ff);border-radius:999px;height:100%;transition:width .5s}.admin-gpu-stats{color:var(--text-muted);justify-content:space-between;font-size:11px;display:flex}.admin-error{border-radius:var(--radius-sm);color:#ff453a;background:#ff453a14;border:1px solid #ff453a26;margin:12px 0;padding:12px 16px;font-size:13px}.admin-success{border-radius:var(--radius-sm);color:#30d158;background:#30d15814;border:1px solid #30d15826;margin:12px 0;padding:12px 16px;font-size:13px}@media (max-width:768px){.hero{min-height:auto;padding:calc(var(--header-height) + 56px) 0 40px}.result-comparison{grid-template-columns:1fr}.result-comparison:after{display:none}.result-side:first-child{border-right:none;border-bottom:1px solid var(--border-subtle)}.steps{grid-template-columns:1fr;gap:24px}.stats-row{grid-template-columns:repeat(2,1fr)}.footer-inner{flex-direction:column}.footer-links{gap:32px}.result-actions{flex-direction:column}.upload-zone{padding:40px 24px}.nav{display:none}.admin-backend-toggle{grid-template-columns:1fr}}