@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");:root{--primary-hue:250;--primary:hsl(var(--primary-hue),85%,65%);--primary-light:hsl(var(--primary-hue),85%,75%);--primary-dark:hsl(var(--primary-hue),85%,55%);--primary-glow:hsla(var(--primary-hue),85%,65%,0.3);--accent-hue:170;--accent:hsl(var(--accent-hue),80%,55%);--accent-light:hsl(var(--accent-hue),80%,65%);--bg-primary:#0a0a14;--bg-secondary:#12121f;--bg-card:rgba(20,20,35,0.8);--bg-card-hover:rgba(30,30,50,0.9);--bg-input:rgba(15,15,28,0.9);--text-primary:#e8e8f0;--text-secondary:#9898b0;--text-muted:#6868a0;--border:rgba(120,120,180,0.15);--border-hover:rgba(120,120,180,0.3);--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--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:0 0 20px var(--primary-glow);--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--transition-fast:150ms ease;--transition-normal:250ms ease;--transition-slow:400ms cubic-bezier(0.4,0,0.2,1)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse 80% 50% at 20% 10%,hsla(var(--primary-hue),60%,40%,.12) 0,transparent 60%),radial-gradient(ellipse 60% 40% at 80% 80%,hsla(var(--accent-hue),60%,40%,.08) 0,transparent 60%);pointer-events:none;z-index:0}a{color:var(--primary-light);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-light)}.site-header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:rgba(10,10,20,.75);border-bottom:1px solid var(--border);padding:var(--space-md) var(--space-xl)}.header-inner{max-width:1200px;margin:0 auto;justify-content:space-between}.header-inner,.site-logo{display:flex;align-items:center}.site-logo{gap:var(--space-sm);font-size:1.4rem;font-weight:700;color:var(--text-primary);text-decoration:none;letter-spacing:-.02em}.site-logo .logo-icon{font-size:1.6rem}.site-logo .logo-accent{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.header-nav{display:flex;gap:var(--space-lg);align-items:center}.header-nav a{color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:color var(--transition-fast);position:relative}.header-nav a:hover{color:var(--text-primary)}.header-nav a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width var(--transition-normal);border-radius:var(--radius-full)}.header-nav a:hover:after{width:100%}.main-content{max-width:1200px;margin:0 auto;padding:var(--space-2xl) var(--space-xl);min-height:calc(100vh - 160px)}.main-content,.site-footer{position:relative;z-index:1}.site-footer{border-top:1px solid var(--border);padding:var(--space-xl) var(--space-xl);text-align:center;color:var(--text-muted);font-size:.85rem}.site-footer a{color:var(--text-secondary)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-xl);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:all var(--transition-normal)}.card:hover{background:var(--bg-card-hover);border-color:var(--border-hover);box-shadow:var(--shadow-md);transform:translateY(-2px)}.tool-page{max-width:900px;margin:0 auto}.tool-header{text-align:center;margin-bottom:var(--space-2xl)}.tool-header h1{font-size:2rem;font-weight:800;margin-bottom:var(--space-sm);background:linear-gradient(135deg,var(--text-primary),var(--primary-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.tool-header p{color:var(--text-secondary);font-size:1.05rem;max-width:600px;margin:0 auto}.tool-breadcrumb{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg);font-size:.85rem;color:var(--text-muted)}.tool-breadcrumb a{color:var(--text-secondary)}.tool-breadcrumb .separator{opacity:.5}.input-group{margin-bottom:var(--space-lg)}.input-group label{display:block;font-size:.9rem;font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-sm)}input[type=number],input[type=text],input[type=url],select,textarea{width:100%;padding:var(--space-md);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.95rem;transition:all var(--transition-fast);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}textarea{font-family:var(--font-mono);resize:vertical;min-height:120px;line-height:1.5}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);border:none;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.95rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);text-decoration:none;position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:white;box-shadow:0 2px 12px var(--primary-glow)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--primary-glow)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.btn-accent{background:linear-gradient(135deg,var(--accent),hsl(var(--accent-hue),80%,45%));color:white}.btn-accent:hover{transform:translateY(-1px);box-shadow:0 4px 20px hsla(var(--accent-hue),80%,55%,.3)}.btn-sm{padding:var(--space-sm) var(--space-md);font-size:.85rem}.btn-group{display:flex;gap:var(--space-sm);flex-wrap:wrap}.result-area{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-xl);margin-top:var(--space-lg)}.result-area h3{font-size:1rem;font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-md)}.result-value{font-family:var(--font-mono);font-size:1.1rem;color:var(--primary-light);word-break:break-all}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:var(--space-md)}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-lg);text-align:center;transition:all var(--transition-fast)}.stat-card:hover{border-color:var(--primary);box-shadow:var(--shadow-glow)}.stat-value{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-label{font-size:.8rem;color:var(--text-muted);margin-top:var(--space-xs);text-transform:uppercase;letter-spacing:.05em}.copy-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:rgba(120,120,180,.15);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.8rem;cursor:pointer;transition:all var(--transition-fast)}.copy-btn:hover{background:rgba(120,120,180,.25);color:var(--text-primary)}.copy-btn.copied{background:hsla(var(--accent-hue),80%,55%,.15);color:var(--accent);border-color:var(--accent)}.toggle-group{display:flex;gap:2px;background:var(--bg-input);border-radius:var(--radius-md);padding:3px;border:1px solid var(--border)}.toggle-option{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-muted);font-family:var(--font-sans);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.toggle-option.active{background:var(--primary);color:white;box-shadow:var(--shadow-sm)}input[type=range]{-webkit-appearance:none;width:100%;height:6px;background:var(--border);border-radius:var(--radius-full);outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 0 10px var(--primary-glow);-webkit-transition:transform var(--transition-fast);transition:transform var(--transition-fast)}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.checkbox-group{display:flex;flex-wrap:wrap;gap:var(--space-md)}.checkbox-label{display:flex;align-items:center;gap:var(--space-sm);cursor:pointer;color:var(--text-secondary);font-size:.9rem;-webkit-user-select:none;user-select:none}.checkbox-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary)}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:var(--space-3xl);text-align:center;cursor:pointer;transition:all var(--transition-normal);position:relative}.drop-zone.drag-over,.drop-zone:hover{border-color:var(--primary);background:rgba(120,100,255,.05)}.drop-zone .drop-icon{font-size:3rem;margin-bottom:var(--space-md);opacity:.5}.drop-zone .drop-text{color:var(--text-secondary);font-size:.95rem}.drop-zone .drop-subtext{color:var(--text-muted);font-size:.8rem;margin-top:var(--space-sm)}.drop-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}.ad-slot{text-align:center;margin:var(--space-xl) 0;min-height:90px;display:flex;align-items:center;justify-content:center}.seo-content{margin-top:var(--space-3xl);padding-top:var(--space-2xl);border-top:1px solid var(--border)}.seo-content h2{font-size:1.3rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-md)}.seo-content h3{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin:var(--space-lg) 0 var(--space-sm)}.seo-content p{line-height:1.8}.seo-content p,.seo-content ul{color:var(--text-secondary);margin-bottom:var(--space-md)}.seo-content ul{padding-left:var(--space-xl)}.seo-content li{margin-bottom:var(--space-sm)}.hero{text-align:center;margin-bottom:var(--space-3xl)}.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;margin-bottom:var(--space-md)}.hero h1 .gradient-text{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero p{color:var(--text-secondary);font-size:1.15rem;max-width:600px;margin:0 auto}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-lg)}.tool-card{display:flex;flex-direction:column;gap:var(--space-sm);text-decoration:none;color:inherit}.tool-card .tool-icon{font-size:2.2rem;margin-bottom:var(--space-xs)}.tool-card h3{font-size:1.1rem;font-weight:600;color:var(--text-primary)}.tool-card p{font-size:.88rem;color:var(--text-muted);line-height:1.5}.color-preview{width:100%;height:120px;border-radius:var(--radius-md);border:1px solid var(--border);transition:background-color var(--transition-fast)}.color-values{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-md);margin-top:var(--space-md)}.color-value-item{display:flex;align-items:center;justify-content:space-between;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:var(--space-sm) var(--space-md)}.color-value-item .label{font-size:.8rem;color:var(--text-muted);font-weight:600;text-transform:uppercase}.color-value-item .value{font-family:var(--font-mono);color:var(--primary-light);font-size:.9rem}.strength-meter{height:6px;background:var(--border);border-radius:var(--radius-full);margin-top:var(--space-sm);overflow:hidden}.strength-meter .meter-fill{height:100%;border-radius:var(--radius-full);transition:width var(--transition-normal),background var(--transition-normal)}.strength-weak{background:#ff4444;width:25%}.strength-fair{background:#ffaa00;width:50%}.strength-good{background:#88cc00;width:75%}.strength-strong{background:#00cc88;width:100%}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-in{animation:fadeInUp .5s ease forwards}.animate-fade{animation:fadeIn .3s ease forwards}.tools-grid .tool-card:first-child{animation-delay:.05s}.tools-grid .tool-card:nth-child(2){animation-delay:.1s}.tools-grid .tool-card:nth-child(3){animation-delay:.15s}.tools-grid .tool-card:nth-child(4){animation-delay:.2s}.tools-grid .tool-card:nth-child(5){animation-delay:.25s}.tools-grid .tool-card:nth-child(6){animation-delay:.3s}.tools-grid .tool-card:nth-child(7){animation-delay:.35s}.tools-grid .tool-card:nth-child(8){animation-delay:.4s}@media (max-width:768px){.main-content{padding:var(--space-lg) var(--space-md)}.site-header{padding:var(--space-md)}.header-nav{display:none}.tools-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.tool-header h1{font-size:1.6rem}.btn-group{flex-direction:column}.btn-group .btn{width:100%}.color-values{grid-template-columns:1fr}}@media (max-width:480px){.hero h1{font-size:1.8rem}.stats-grid{grid-template-columns:1fr 1fr}.stat-value{font-size:1.4rem}}