@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap");:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a2e;--bg-card:rgba(22,22,36,0.7);--bg-card-hover:rgba(30,30,50,0.85);--bg-glass:rgba(18,18,30,0.6);--bg-input:rgba(26,26,46,0.8);--border-subtle:rgba(255,255,255,0.06);--border-default:rgba(255,255,255,0.1);--border-hover:rgba(255,255,255,0.18);--border-accent:rgba(0,240,255,0.3);--text-primary:#f0f0f5;--text-secondary:#a0a0b8;--text-tertiary:#6a6a82;--text-muted:#4a4a62;--cyan:#00f0ff;--cyan-dim:rgba(0,240,255,0.15);--cyan-glow:rgba(0,240,255,0.4);--magenta:#ff006e;--magenta-dim:rgba(255,0,110,0.15);--magenta-glow:rgba(255,0,110,0.4);--lime:#76ff03;--lime-dim:rgba(118,255,3,0.15);--amber:#ffab00;--amber-dim:rgba(255,171,0,0.15);--purple:#b388ff;--purple-dim:rgba(179,136,255,0.15);--red:#ff5252;--red-dim:rgba(255,82,82,0.15);--green:#69f0ae;--green-dim:rgba(105,240,174,0.15);--gradient-hero:linear-gradient(135deg,#0a0a0f,#1a1a2e 50%,#16213e);--gradient-card:linear-gradient(145deg,rgba(22,22,36,0.9),rgba(16,16,28,0.9));--gradient-cyan:linear-gradient(135deg,#00f0ff,#0080ff);--gradient-magenta:linear-gradient(135deg,#ff006e,#ff4081);--gradient-rainbow:linear-gradient(90deg,#00f0ff,#b388ff,#ff006e,#ffab00,#76ff03);--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--space-4xl:96px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 2px 8px rgba(0,0,0,0.3);--shadow-md:0 4px 16px rgba(0,0,0,0.4);--shadow-lg:0 8px 32px rgba(0,0,0,0.5);--shadow-glow-cyan:0 0 20px rgba(0,240,255,0.15),0 0 60px rgba(0,240,255,0.05);--shadow-glow-magenta:0 0 20px rgba(255,0,110,0.15),0 0 60px rgba(255,0,110,0.05);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono","Fira Code","Consolas",monospace;--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-base:250ms 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cubic-bezier(0.34,1.56,0.64,1);--max-width:1024px;--nav-height:64px;--rail-width:160px;--rail-gap:16px;--page-max-width:1632px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button{cursor:pointer;border:none;background:none}button,input,select,textarea{font-family:inherit;color:inherit}code,pre{font-family:var(--font-mono)}::selection{background:var(--cyan-dim);color:var(--cyan)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}.container{width:min(1024px,92vw);margin-left:auto;margin-right:auto;padding-left:var(--space-lg);padding-right:var(--space-lg)}.page-wrapper{min-height:calc(100vh - var(--nav-height));padding-top:var(--nav-height)}.section{padding:var(--space-4xl) 0}.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:rgba(10,10,15,.96);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid var(--border-subtle);z-index:1000;overflow:visible;transition:var(--transition-base)}.navbar-inner{width:min(1024px,92vw);margin-left:auto;margin-right:auto;padding-left:var(--space-lg);padding-right:var(--space-lg);height:100%;justify-content:space-between}.navbar-inner,.navbar-logo{display:flex;align-items:center}.navbar-logo{gap:var(--space-sm);font-weight:700;font-size:1.2rem;letter-spacing:-.02em}.navbar-logo-icon{width:32px;height:32px;background:var(--gradient-cyan);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:800;color:var(--bg-primary)}.navbar-logo-text{background:var(--gradient-cyan);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.navbar-links{display:flex;align-items:center;gap:var(--space-xl);list-style:none}.navbar-link{font-size:.9rem;font-weight:500;color:var(--text-secondary);transition:var(--transition-fast);position:relative}.navbar-link:hover{color:var(--text-primary)}.navbar-link:after{content:"";position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--gradient-cyan);transform:scaleX(0);transition:var(--transition-base);border-radius:var(--radius-full)}.navbar-link:hover:after{transform:scaleX(1)}.navbar-link--active{color:var(--cyan)}.navbar-link--active:after{transform:scaleX(1)}.navbar-toggle{display:none;flex-direction:column;gap:5px;padding:var(--space-sm)}.navbar-toggle span{width:22px;height:2px;background:var(--text-secondary);border-radius:var(--radius-full);transition:var(--transition-base)}.navbar-link-btn{background:none;border:none;cursor:pointer;display:flex;align-items:center;font-size:.9rem;font-weight:500;padding:0;white-space:nowrap}.mega-menu{position:absolute;top:calc(100% + 16px);left:50%;transform:translateX(-50%);width:min(980px,95vw);background:#13131f;border:1px solid rgba(255,255,255,.12);border-top:2px solid rgba(0,240,255,.35);border-radius:var(--radius-xl);box-shadow:0 32px 80px rgba(0,0,0,.85),0 0 0 1px rgba(0,240,255,.08),inset 0 1px 0 rgba(255,255,255,.05);z-index:1100;overflow:hidden;animation:megaFadeIn .18s cubic-bezier(.16,1,.3,1);max-height:82vh;display:flex;flex-direction:column}@keyframes megaFadeIn{0%{opacity:0;transform:translateX(-50%) translateY(-8px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}@keyframes megaSlideIn{0%{opacity:0;transform:translateX(18px)}to{opacity:1;transform:translateX(0)}}.mega-menu-inner{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:var(--space-lg);gap:var(--space-lg);padding:var(--space-xl);overflow-y:auto;flex:1 1;scrollbar-width:thin;scrollbar-color:rgba(0,240,255,.3) transparent}.mega-menu-inner::-webkit-scrollbar{width:4px}.mega-menu-inner::-webkit-scrollbar-track{background:transparent}.mega-menu-inner::-webkit-scrollbar-thumb{background:rgba(0,240,255,.25);border-radius:2px}.mega-col{display:flex;flex-direction:column;gap:2px}.mega-col-header{display:flex;align-items:center;gap:6px;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:4px 8px 8px;border-bottom:1px solid var(--border-subtle);margin-bottom:4px}.mega-item{display:flex;align-items:flex-start;gap:10px;padding:8px 10px;border-radius:var(--radius-md);transition:background .15s,transform .15s;text-decoration:none}.mega-item:hover{background:var(--bg-tertiary);transform:translateX(2px)}.mega-item--active{background:rgba(0,240,255,.08)}.mega-item-icon{font-size:1rem;flex-shrink:0;margin-top:1px;width:20px;text-align:center}.mega-item-text{display:flex;flex-direction:column;gap:1px;min-width:0}.mega-item-label{font-size:.82rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-item--active .mega-item-label,.mega-item:hover .mega-item-label{color:var(--cyan)}.mega-item-sub{font-size:.7rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-footer{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm) var(--space-xl);border-top:1px solid rgba(255,255,255,.08);background:#1a1a2e}.mega-footer-link{font-size:.78rem;font-weight:600;color:var(--cyan);transition:opacity .15s}.mega-footer-link:hover{opacity:.75}.mobile-menu{position:fixed;top:var(--nav-height);left:0;right:0;bottom:0;background:rgba(10,10,15,.97);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:999;overflow-y:auto;padding:var(--space-lg) var(--space-xl);animation:fadeIn .2s ease-out}.mobile-menu-section{border-bottom:1px solid var(--border-subtle);padding-bottom:var(--space-lg);margin-bottom:var(--space-lg)}.mobile-menu-link{display:block;padding:10px 8px;font-size:1rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all .15s;text-decoration:none}.mobile-menu-link:hover{color:var(--text-primary);background:var(--bg-card)}.mobile-menu-link--active{color:var(--cyan)}.mobile-menu-category-btn{display:flex;justify-content:space-between;align-items:center;width:100%;padding:10px 8px;font-size:1rem;font-weight:600;color:var(--text-primary);background:none;border:none;cursor:pointer;border-radius:var(--radius-sm)}.mobile-tools-grid{margin-top:var(--space-md);padding-left:var(--space-sm)}@media (max-width:900px){.navbar-links{display:none}.navbar-toggle{display:flex}.mega-menu{display:none!important}}@media (max-width:640px){.mega-menu-inner{grid-template-columns:1fr 1fr}}.hero{position:relative;min-height:44vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:var(--space-2xl) var(--space-lg)}.hero-bg{position:absolute;inset:0;background:var(--gradient-hero)}.hero-bg:before{content:"";position:absolute;top:20%;left:50%;transform:translate(-50%,-50%);width:800px;height:800px;background:radial-gradient(circle,rgba(0,240,255,.08) 0,transparent 70%);animation:pulse-glow 8s ease-in-out infinite}.hero-bg:after{content:"";position:absolute;bottom:-20%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,0,110,.06) 0,transparent 70%);animation:pulse-glow 10s ease-in-out infinite reverse}.hero-content{position:relative;z-index:2;max-width:800px}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-md);background:var(--cyan-dim);border:1px solid rgba(0,240,255,.2);border-radius:var(--radius-full);font-size:.8rem;font-weight:600;color:var(--cyan);margin-bottom:var(--space-xl);animation:fadeInUp .6s ease-out}.hero-badge-dot{width:6px;height:6px;background:var(--cyan);border-radius:50%;animation:blink 2s ease-in-out infinite}.hero-title{font-size:clamp(1.8rem,4vw,3rem);font-weight:800;line-height:1.1;letter-spacing:-.03em;margin-bottom:var(--space-md);animation:fadeInUp .6s ease-out .1s both}.hero-title-gradient{background:var(--gradient-cyan);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(.88rem,1.5vw,1rem);color:var(--text-secondary);line-height:1.65;margin-bottom:var(--space-lg);animation:fadeInUp .6s ease-out .2s both;max-width:640px;margin-left:auto;margin-right:auto}.hero-stats{display:flex;justify-content:center;gap:var(--space-2xl);animation:fadeInUp .6s ease-out .3s both}.hero-stat{text-align:center}.hero-stat-value{font-size:1.5rem;font-weight:800;background:var(--gradient-cyan);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-stat-label{font-size:.8rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.1em;margin-top:var(--space-xs)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));grid-gap:var(--space-lg);gap:var(--space-lg);padding:var(--space-2xl) 0}.tool-card{position:relative;background:var(--gradient-card);border:1px solid var(--border-subtle);padding:var(--space-xl);overflow:hidden;cursor:pointer;text-decoration:none;display:block}.tool-card,.tool-card:before{border-radius:var(--radius-lg);transition:var(--transition-base)}.tool-card:before{content:"";position:absolute;inset:0;padding:1px;background:linear-gradient(135deg,transparent 40%,rgba(0,240,255,.15));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0}.tool-card:hover{transform:translateY(-4px);border-color:var(--border-hover);box-shadow:var(--shadow-glow-cyan)}.tool-card:hover:before{opacity:1}.tool-card-icon{width:52px;height:52px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:var(--space-md);position:relative}.tool-card-icon--cyan{background:var(--cyan-dim);color:var(--cyan);box-shadow:0 0 20px var(--cyan-dim)}.tool-card-icon--magenta{background:var(--magenta-dim);color:var(--magenta);box-shadow:0 0 20px var(--magenta-dim)}.tool-card-icon--lime{background:var(--lime-dim);color:var(--lime);box-shadow:0 0 20px var(--lime-dim)}.tool-card-icon--amber{background:var(--amber-dim);color:var(--amber);box-shadow:0 0 20px var(--amber-dim)}.tool-card-icon--purple{background:var(--purple-dim);color:var(--purple);box-shadow:0 0 20px var(--purple-dim)}.tool-card-icon--red{background:var(--red-dim);color:var(--red);box-shadow:0 0 20px var(--red-dim)}.tool-card-icon--green{background:var(--green-dim);color:var(--green);box-shadow:0 0 20px var(--green-dim)}.tool-card-title{font-size:1.2rem;font-weight:700;margin-bottom:var(--space-sm);letter-spacing:-.01em}.tool-card-desc{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin-bottom:var(--space-md)}.tool-card-tags{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.tool-card-tag{padding:2px var(--space-sm);background:rgba(255,255,255,.05);border:1px solid var(--border-subtle);border-radius:var(--radius-full);font-size:.75rem;color:var(--text-tertiary);font-weight:500}.tool-card-tag--ai{background:var(--cyan-dim);border-color:rgba(0,240,255,.15);color:var(--cyan)}.tool-card-arrow{position:absolute;top:var(--space-xl);right:var(--space-xl);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.05);color:var(--text-tertiary);font-size:.9rem;transition:var(--transition-base)}.tool-card:hover .tool-card-arrow{background:var(--cyan-dim);color:var(--cyan);transform:translate(2px,-2px)}.tool-page{padding:var(--space-2xl) 0}.tool-header{margin-bottom:var(--space-2xl)}.tool-breadcrumb{display:flex;align-items:center;gap:var(--space-sm);font-size:.85rem;color:var(--text-tertiary);margin-bottom:var(--space-md)}.tool-breadcrumb a{color:var(--text-tertiary);transition:var(--transition-fast)}.tool-breadcrumb a:hover{color:var(--cyan)}.tool-breadcrumb-sep{color:var(--text-muted)}.tool-title{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin-bottom:var(--space-sm)}.tool-description{font-size:1.05rem;color:var(--text-secondary);max-width:700px;line-height:1.7}.compare-toggle{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-lg)}.compare-toggle-btn{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-full);font-size:.85rem;font-weight:600;transition:var(--transition-base)}.compare-toggle-btn--single{background:var(--cyan-dim);border:1px solid rgba(0,240,255,.2);color:var(--cyan)}.compare-toggle-btn--compare{background:rgba(255,255,255,.05);border:1px solid var(--border-subtle);color:var(--text-secondary)}.compare-toggle-btn--active{background:var(--cyan-dim)!important;border-color:rgba(0,240,255,.3)!important;color:var(--cyan)!important;box-shadow:var(--shadow-glow-cyan)}.compare-container{display:grid;grid-template-columns:1fr;grid-gap:var(--space-lg);gap:var(--space-lg)}.compare-container--dual{grid-template-columns:1fr 1fr}.compare-pane{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.compare-pane-label{display:inline-flex;align-items:center;gap:var(--space-xs);padding:2px var(--space-sm);background:var(--cyan-dim);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;color:var(--cyan);margin-bottom:var(--space-md);text-transform:uppercase;letter-spacing:.05em}.compare-pane-label--b{background:var(--magenta-dim);color:var(--magenta)}.dropzone{position:relative;border:2px dashed var(--border-default);border-radius:var(--radius-lg);padding:var(--space-2xl);text-align:center;cursor:pointer;transition:var(--transition-base);background:var(--bg-input)}.dropzone--active,.dropzone:hover{border-color:var(--cyan);background:var(--cyan-dim);box-shadow:var(--shadow-glow-cyan)}.dropzone-icon{font-size:2.5rem;margin-bottom:var(--space-md);opacity:.5}.dropzone-text{font-size:.95rem;color:var(--text-secondary);margin-bottom:var(--space-sm)}.dropzone-hint{font-size:.8rem;color:var(--text-tertiary)}.dropzone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}.dropzone-preview{margin-top:var(--space-md);border-radius:var(--radius-md);overflow:hidden;max-height:300px}.dropzone-preview img{width:100%;height:auto;object-fit:contain;max-height:300px}.input-group{margin-bottom:var(--space-md)}.input-label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-sm)}.input-field{width:100%;padding:var(--space-sm) var(--space-md);background:var(--bg-input);border:1px solid var(--border-default);border-radius:var(--radius-md);font-size:.95rem;color:var(--text-primary);transition:var(--transition-fast);outline:none}.input-field:focus{border-color:var(--cyan);box-shadow:0 0 0 3px var(--cyan-dim)}.input-field::placeholder{color:var(--text-muted)}.textarea-field{min-height:150px;resize:vertical;font-family:var(--font-mono);font-size:.85rem;line-height:1.6}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);font-size:.9rem;font-weight:600;transition:var(--transition-base);white-space:nowrap;position:relative;overflow:hidden}.btn-primary{background:var(--gradient-cyan);color:var(--bg-primary);box-shadow:var(--shadow-glow-cyan)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 30px rgba(0,240,255,.3),0 0 80px rgba(0,240,255,.1)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:rgba(255,255,255,.06);color:var(--text-primary)}.btn-secondary:hover{background:rgba(255,255,255,.1)}.btn-danger{background:var(--red-dim);border:1px solid rgba(255,82,82,.2);color:var(--red)}.btn-danger:hover{background:rgba(255,82,82,.25)}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:1rem}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius-md)}.results-section{margin-top:var(--space-xl)}.results-title{font-size:1.1rem;font-weight:700;margin-bottom:var(--space-md);display:flex;align-items:center;gap:var(--space-sm)}.results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));grid-gap:var(--space-md);gap:var(--space-md)}.result-item{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-md)}.result-item-label{font-size:.75rem;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--space-xs)}.result-item-value{font-size:.95rem;font-weight:500;word-break:break-all}.result-item-value--mono{font-family:var(--font-mono);font-size:.8rem}.data-table th{font-weight:600;letter-spacing:.05em;border-bottom:1px solid var(--border-default)}.data-table tr:hover td{background:rgba(255,255,255,.02)}.grade-badge{display:inline-flex;font-size:1.2rem;font-weight:800}.progress-bar{height:8px;background:rgba(255,255,255,.05)}.progress-bar-fill{transition:width 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