.skip-link{background:var(--primary);color:#fff;z-index:200;border-radius:0 0 8px;padding:8px 16px;font-weight:600;position:absolute;top:-40px;left:0}.skip-link:focus{top:0}:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#3b82f6;--bg:#0f172a;--bg-card:#1e293b;--bg-card-hover:#334155;--text:#f8fafc;--text-muted:#94a3b8;--border:#334155;--success:#22c55e;--warning:#f59e0b;--error:#ef4444;--radius:12px;--shadow:0 4px 6px -1px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.6}a{color:var(--primary-light);text-decoration:none;transition:color .2s}a:hover{color:var(--primary)}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background:var(--bg-card);border-bottom:1px solid var(--border);z-index:100;padding:1rem 0;position:sticky;top:0}header .container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.logo{color:var(--text);align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;display:flex}.logo span{color:var(--primary-light)}nav{align-items:center;gap:1.5rem;display:flex}nav a{color:var(--text-muted);font-weight:500}nav a:hover,nav a.active{color:var(--text)}.lang-switch{border:1px solid var(--border);color:var(--text);border-radius:6px;margin-left:.5rem;padding:.25rem .6rem;font-size:.85rem;font-weight:600;text-decoration:none}.lang-switch:hover{border-color:var(--primary);color:var(--primary)}.hero{text-align:center;padding:4rem 0 3rem}.hero h1{background:linear-gradient(135deg, var(--primary-light), #8b5cf6);-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem;font-size:clamp(2rem,5vw,3rem)}.hero p{color:var(--text-muted);max-width:600px;margin:0 auto 2rem;font-size:1.25rem}.tools-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;padding:2rem 0 4rem;display:grid}.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;padding:1.5rem;transition:all .2s;display:block}.tool-card:hover{background:var(--bg-card-hover);border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-4px)}.tool-card .icon{width:48px;height:48px;color:var(--primary-light);background:#3b82f61a;border-radius:10px;justify-content:center;align-items:center;margin-bottom:1rem;display:flex}.tool-card .icon svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:28px;height:28px}.tool-card h3{margin-bottom:.5rem;font-size:1.125rem}.tool-card p{color:var(--text-muted);font-size:.875rem}.tool-page{padding:2rem 0 4rem}.tool-header{margin-bottom:2rem}.tool-header h1{margin-bottom:.5rem;font-size:1.75rem}.tool-header p{color:var(--text-muted)}.tool-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--text-muted);margin-bottom:.5rem;font-weight:500;display:block}textarea,input[type=text],input[type=number],input[type=password],select{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);border-radius:8px;padding:.75rem 1rem;font-family:Fira Code,Cascadia Code,Consolas,monospace;font-size:.875rem;transition:border-color .2s}textarea:focus,input:focus,select:focus{border-color:var(--primary);outline:none}textarea{resize:vertical;min-height:150px}button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-size:.875rem;font-weight:600;transition:background .2s}button:hover{background:var(--primary-dark)}button.secondary{background:var(--bg-card-hover);border:1px solid var(--border)}button.secondary:hover{background:var(--border)}.button-group{flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem;display:flex}.output-box{background:var(--bg);border:1px solid var(--border);word-break:break-all;border-radius:8px;min-height:60px;padding:1rem;font-family:Fira Code,Cascadia Code,Consolas,monospace;font-size:.875rem;position:relative}.output-box .copy-btn{padding:.4rem .75rem;font-size:.75rem;position:absolute;top:.5rem;right:.5rem}.ad-container{background:var(--bg-card);border:1px dashed var(--border);border-radius:var(--radius);text-align:center;min-height:100px;color:var(--text-muted);justify-content:center;align-items:center;margin:2rem 0;padding:1rem;font-size:.875rem;display:flex}.ad-sidebar{align-self:start;position:sticky;top:100px}footer{background:var(--bg-card);border-top:1px solid var(--border);margin-top:4rem;padding:2rem 0}footer .container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}footer p{color:var(--text-muted);font-size:.875rem}.breadcrumb{color:var(--text-muted);align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:.875rem;display:flex}.breadcrumb a{color:var(--text-muted)}.breadcrumb a:hover{color:var(--text)}.options-row{flex-wrap:wrap;align-items:flex-end;gap:1rem;margin-bottom:1.5rem;display:flex}.options-row .form-group{flex:1;min-width:150px;margin-bottom:0}.checkbox-group{flex-wrap:wrap;gap:1rem;margin-bottom:1rem;display:flex}.checkbox-group label{cursor:pointer;align-items:center;gap:.5rem;display:flex}input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary)}.color-preview{border:1px solid var(--border);border-radius:8px;width:100%;height:80px;margin-top:.5rem}.result-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1rem;display:grid}.result-item{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:1rem}.result-item label{color:var(--text-muted);margin-bottom:.25rem;font-size:.75rem;display:block}.result-item span{font-family:monospace;font-size:.875rem}.search-box{max-width:500px;margin-bottom:2rem;margin-left:auto;margin-right:auto;position:relative}.search-box input{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);border-radius:8px;padding:.75rem 1rem .75rem 2.5rem;font-size:1rem}.search-box input:focus{border-color:var(--primary);outline:none}.search-box:before{content:"";pointer-events:none;z-index:1;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");background-repeat:no-repeat;background-size:contain;width:18px;height:18px;position:absolute;top:50%;left:.75rem;transform:translateY(-50%)}.stats{flex-wrap:wrap;gap:1.5rem;margin-top:1rem;display:flex}.stat-item{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:.75rem 1.25rem}.stat-item .value{color:var(--primary-light);font-size:1.5rem;font-weight:700}.stat-item .label{color:var(--text-muted);font-size:.75rem}@media (width<=768px){.hero{padding:2rem 0 1.5rem}.tools-grid{grid-template-columns:1fr;padding:1rem 0 3rem}header .container{text-align:center;flex-direction:column}nav{justify-content:center}footer .container{text-align:center;flex-direction:column}.options-row{flex-direction:column}.result-grid{grid-template-columns:1fr}#ia-tips h3{font-size:1rem}.ad-sidebar{display:none}.ad-sidebar ins.adsbygoogle{display:none!important}}.back-to-top{background:var(--primary);color:#fff;cursor:pointer;opacity:0;visibility:hidden;z-index:99;width:48px;height:48px;box-shadow:var(--shadow);border:none;border-radius:50%;justify-content:center;align-items:center;font-size:24px;font-weight:700;line-height:1;transition:all .3s;display:flex;position:fixed;bottom:2rem;right:2rem}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{background:var(--primary-dark);transform:translateY(-2px)}.back-to-top svg{width:24px;height:24px;display:block}.related-tools{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-top:2rem;padding:1.5rem}.related-tools h3{margin-bottom:1rem;font-size:1rem}.related-tools-grid{flex-wrap:wrap;gap:.5rem;display:flex}.related-tools a{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:.4rem .75rem;font-size:.8rem;transition:all .2s}.related-tools a:hover,#ia-tips a:hover{border-color:var(--primary);background:var(--bg-card-hover)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.tool-card:hover,.back-to-top:hover{transform:none}}#cookie-consent{background:var(--bg-card);border-top:1px solid var(--border);z-index:300;flex-wrap:wrap;justify-content:center;align-items:center;gap:1rem;padding:1rem;font-size:.875rem;display:flex;position:fixed;bottom:0;left:0;right:0}#cookie-consent.hidden{display:none}.diff-added{background:#22c55e33;border-radius:3px;padding:2px 4px}.diff-removed{background:#ef444433;border-radius:3px;padding:2px 4px;text-decoration:line-through}.diff-line{border-left:3px solid var(--border);margin:2px 0;padding:4px 8px;font-family:monospace;font-size:.875rem}.diff-line.added{border-left-color:var(--success)}.diff-line.removed{border-left-color:var(--error)}