@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";
:root{--sidebar-width:260px;--header-height:64px;--radius:14px;--radius-sm:8px;--radius-xs:6px;--transition:.3s cubic-bezier(.4,0,.2,1);--transition-fast:.15s ease;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 16px #00000014;--shadow-lg:0 8px 32px #0000001f;--shadow-glow:0 0 40px #ef444426;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace}[data-theme=dark]{--bg-primary:#0a0a12;--bg-secondary:#12121e;--bg-card:#1a1a2ab3;--bg-card-hover:#222238d9;--bg-input:#141424cc;--bg-sidebar:#0e0e18f2;--bg-header:#0a0a12d9;--bg-tool-panel:#12121ef2;--bg-badge:#ef444426;--bg-code:#1e1e32cc;--border-color:#ffffff0f;--border-color-hover:#ffffff1f;--border-accent:#ef44444d;--text-primary:#f0f0f5;--text-secondary:#9494a8;--text-tertiary:#64647a;--text-inverse:#0a0a12;--accent:#ef4444;--accent-light:#f87171;--accent-dark:#dc2626;--accent-bg:#ef444414;--success:#34d399;--warning:#fbbf24;--error:#f87171;--info:#60a5fa;--scrollbar-track:#12121e;--scrollbar-thumb:#2a2a40}[data-theme=light]{--bg-primary:#f5f5fa;--bg-secondary:#eeeef5;--bg-card:#ffffffd9;--bg-card-hover:#fff;--bg-input:#f5f5fce6;--bg-sidebar:#fffffff2;--bg-header:#f5f5fae6;--bg-tool-panel:#fffffffa;--bg-badge:#dc262614;--bg-code:#f0f0f8e6;--border-color:#0000000f;--border-color-hover:#0000001f;--border-accent:#dc262633;--text-primary:#1a1a2e;--text-secondary:#6b6b80;--text-tertiary:#9494a8;--text-inverse:#fff;--accent:#dc2626;--accent-light:#ef4444;--accent-dark:#b91c1c;--accent-bg:#dc26260d;--success:#059669;--warning:#d97706;--error:#dc2626;--info:#2563eb;--scrollbar-track:#eeeef5;--scrollbar-thumb:#c4c4d4}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;transition:background var(--transition),color var(--transition);line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.header{height:var(--header-height);background:var(--bg-header);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:100;transition:background var(--transition);justify-content:space-between;align-items:center;padding:0 24px;display:flex;position:fixed;top:0;left:0;right:0}.header-left{align-items:center;gap:12px;display:flex}.hamburger{color:var(--text-primary);cursor:pointer;border-radius:var(--radius-xs);transition:background var(--transition-fast);background:0 0;border:none;padding:6px;font-size:22px;display:none}.hamburger:hover{background:var(--accent-bg)}.logo{color:var(--text-primary);align-items:center;gap:10px;text-decoration:none;display:flex}.logo-icon{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:flex;box-shadow:0 2px 12px #ef44444d}.logo-text{letter-spacing:-.5px;font-size:20px;font-weight:700}.logo-text span{color:var(--accent-light)}.header-center{flex:1;max-width:480px;margin:0 24px}.search-box{width:100%;position:relative}.search-box .search-icon{color:var(--text-tertiary);pointer-events:none;font-size:16px;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.search-box input{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;height:40px;color:var(--text-primary);font-family:var(--font-sans);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none;padding:0 16px 0 42px;font-size:14px}.search-box input::placeholder{color:var(--text-tertiary)}.search-box input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ef44441a}.search-box .search-shortcut{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-tertiary);font-size:11px;font-family:var(--font-mono);border-radius:4px;padding:2px 6px;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.header-right{align-items:center;gap:8px;display:flex}.theme-toggle{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:40px;height:40px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:18px;display:flex}.theme-toggle:hover{border-color:var(--accent);color:var(--accent-light);background:var(--accent-bg)}.sidebar{top:var(--header-height);width:var(--sidebar-width);background:var(--bg-sidebar);-webkit-backdrop-filter:blur(20px);border-right:1px solid var(--border-color);z-index:90;transition:transform var(--transition),background var(--transition);padding:20px 12px;position:fixed;bottom:0;left:0;overflow-y:auto}.sidebar-section{margin-bottom:8px}.sidebar-section-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-tertiary);padding:8px 12px 6px;font-size:11px;font-weight:600}.sidebar-item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;align-items:center;gap:10px;padding:9px 12px;font-size:14px;font-weight:450;display:flex}.sidebar-item:hover{background:var(--accent-bg);color:var(--text-primary)}.sidebar-item.active{color:var(--accent-light);background:linear-gradient(135deg,#ef44441f,#f8717114);font-weight:500}.sidebar-item .item-icon{text-align:center;flex-shrink:0;width:24px;font-size:18px}.sidebar-item .item-count{background:var(--bg-badge);color:var(--accent-light);border-radius:10px;margin-left:auto;padding:1px 8px;font-size:12px;font-weight:500}.sidebar-overlay{z-index:85;background:#00000080;display:none;position:fixed;inset:0}.main{margin-left:var(--sidebar-width);margin-top:var(--header-height);min-height:calc(100vh - var(--header-height));transition:margin var(--transition);padding:28px 32px}.category-header{margin-bottom:24px}.category-header h2{letter-spacing:-.5px;align-items:center;gap:10px;font-size:24px;font-weight:700;display:flex}.category-header h2 .cat-icon{font-size:28px}.category-header p{color:var(--text-secondary);margin-top:4px;font-size:14px}.tools-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:32px;display:grid}.tool-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);padding:22px;display:block;position:relative;overflow:hidden}.tool-card:before{content:"";background:linear-gradient(90deg,var(--accent),var(--accent-light));transform-origin:0;height:3px;transition:transform var(--transition);position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.tool-card:hover{background:var(--bg-card-hover);border-color:var(--border-color-hover);box-shadow:var(--shadow-md),var(--shadow-glow);transform:translateY(-2px)}.tool-card:hover:before{transform:scaleX(1)}.tool-card-icon{background:var(--accent-bg);border:1px solid var(--border-accent);border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:14px;font-size:22px;display:flex}.tool-card-title{letter-spacing:-.2px;margin-bottom:6px;font-size:15px;font-weight:600}.tool-card-desc{color:var(--text-secondary);font-size:13px;line-height:1.5}.tool-card-tag{background:var(--bg-badge);color:var(--accent-light);border-radius:4px;margin-top:10px;padding:2px 8px;font-size:11px;font-weight:500;display:inline-block}.tool-page{max-width:960px}.breadcrumb{color:var(--text-tertiary);align-items:center;gap:6px;margin-bottom:20px;font-size:13px;display:flex}.breadcrumb a{color:var(--text-secondary);transition:color var(--transition-fast)}.breadcrumb a:hover{color:var(--accent-light)}.breadcrumb .sep{opacity:.4}.tool-page-header{margin-bottom:24px}.tool-page-header h1{letter-spacing:-.5px;align-items:center;gap:12px;font-size:28px;font-weight:700;display:flex}.tool-page-header p{color:var(--text-secondary);margin-top:6px;font-size:15px}.tool-workspace{background:var(--bg-tool-panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius);margin-bottom:32px;padding:24px}.tool-io{grid-template-columns:1fr 1fr;gap:20px;display:grid}.tool-io.single-col{grid-template-columns:1fr}.tool-io-section label{text-transform:uppercase;letter-spacing:.8px;color:var(--text-tertiary);margin-bottom:8px;font-size:12px;font-weight:600;display:block}textarea.tool-textarea,input.tool-input{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);font-family:var(--font-mono);resize:vertical;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none;padding:14px 16px;font-size:13px}textarea.tool-textarea{min-height:160px;line-height:1.6}input.tool-input{height:42px}textarea.tool-textarea:focus,input.tool-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ef44441a}textarea.tool-textarea.readonly{cursor:default;opacity:.85}.btn{border-radius:var(--radius-sm);font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:6px;padding:9px 18px;font-size:13px;font-weight:550;display:inline-flex}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;box-shadow:0 2px 10px #ef444440}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #ef444459}.btn-secondary{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--border-color-hover);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:12px}.btn-group{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.btn-group-toggle{border:1px solid var(--border-color);border-radius:var(--radius-sm);display:inline-flex;overflow:hidden}.btn-group-toggle .btn-toggle{color:var(--text-secondary);cursor:pointer;font-size:13px;font-weight:500;font-family:var(--font-sans);transition:all var(--transition-fast);border:none;border-right:1px solid var(--border-color);background:0 0;padding:8px 16px}.btn-group-toggle .btn-toggle:last-child{border-right:none}.btn-group-toggle .btn-toggle.active{background:var(--accent);color:#fff}.btn-group-toggle .btn-toggle:hover:not(.active){background:var(--accent-bg)}select.tool-select{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);height:42px;color:var(--text-primary);font-family:var(--font-sans);cursor:pointer;appearance:none;transition:border-color var(--transition-fast);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239494a8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;outline:none;padding:0 36px 0 14px;font-size:13px}select.tool-select:focus{border-color:var(--accent)}input.tool-range{-webkit-appearance:none;background:var(--bg-input);border-radius:3px;outline:none;width:100%;height:6px}input.tool-range::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:18px;height:18px;box-shadow:0 2px 6px #ef44444d}.checkbox-group{flex-wrap:wrap;gap:12px;margin:8px 0;display:flex}.checkbox-label{color:var(--text-secondary);cursor:pointer;align-items:center;gap:6px;font-size:13px;display:flex}.checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}.code-output{background:var(--bg-code);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-family:var(--font-mono);white-space:pre-wrap;word-break:break-all;color:var(--text-primary);min-height:60px;padding:16px;font-size:13px;line-height:1.6;position:relative;overflow-x:auto}.toast{background:var(--primary);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:var(--radius-sm);color:#fff;z-index:1000;border:none;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:500;animation:.3s toastIn,.3s 2.7s forwards toastOut;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 8px 24px #0000004d}@keyframes toastIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes toastOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(16px)}}.totp-display{font-family:var(--font-mono);letter-spacing:8px;text-align:center;color:var(--accent-light);padding:20px;font-size:40px;font-weight:700}.totp-timer{background:var(--bg-input);border-radius:2px;width:100%;height:4px;margin-top:12px;overflow:hidden}.totp-timer-bar{background:linear-gradient(90deg,var(--accent),var(--accent-light));border-radius:2px;height:100%;transition:width 1s linear}.diff-output{font-family:var(--font-mono);font-size:13px;line-height:1.7}.diff-output .diff-add{color:var(--success);background:#34d3991a}.diff-output .diff-remove{color:var(--error);background:#f871711a}.md-preview{font-size:15px;line-height:1.7}.md-preview h1,.md-preview h2,.md-preview h3{margin:16px 0 8px;font-weight:600}.md-preview h1{font-size:24px}.md-preview h2{font-size:20px}.md-preview h3{font-size:17px}.md-preview p{margin-bottom:12px}.md-preview code{background:var(--bg-code);font-family:var(--font-mono);border-radius:4px;padding:2px 6px;font-size:13px}.md-preview pre{background:var(--bg-code);border-radius:var(--radius-sm);margin:12px 0;padding:16px;overflow-x:auto}.md-preview pre code{background:0 0;padding:0}.md-preview ul,.md-preview ol{margin-bottom:12px;padding-left:24px}.md-preview blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);margin:12px 0;padding-left:16px}.tool-options{border-bottom:1px solid var(--border-color);flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:16px;display:flex}.tool-option-label{color:var(--text-secondary);font-size:13px;font-weight:500}.info-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.info-card{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:14px 16px}.info-card-label{text-transform:uppercase;letter-spacing:.8px;color:var(--text-tertiary);margin-bottom:4px;font-size:11px}.info-card-value{font-size:16px;font-weight:600;font-family:var(--font-mono)}.regex-match{background:#ef444433;border-radius:2px;padding:1px 0}.no-results{text-align:center;color:var(--text-tertiary);padding:60px 20px}.no-results-icon{opacity:.5;margin-bottom:16px;font-size:48px}.no-results-text{font-size:16px;font-weight:500}.footer{margin-left:var(--sidebar-width);background:var(--bg-secondary);border-top:1px solid var(--border-color);transition:margin var(--transition),background var(--transition);padding:0 32px}.footer-inner{grid-template-columns:2fr 1fr 1fr;gap:32px;padding:40px 0 32px;display:grid}.footer-brand .footer-logo{color:var(--text-primary);margin-bottom:8px;font-size:18px;font-weight:700;display:block}.footer-brand p{color:var(--text-secondary);font-size:14px;line-height:1.6}.footer-links h4{text-transform:uppercase;letter-spacing:.8px;color:var(--text-tertiary);margin-bottom:12px;font-size:13px;font-weight:600}.footer-links a{color:var(--text-secondary);transition:color var(--transition-fast);padding:4px 0;font-size:14px;text-decoration:none;display:block}.footer-links a:hover{color:var(--accent-light)}.footer-bottom{border-top:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;gap:8px;padding:16px 0;display:flex}.footer-bottom p{color:var(--text-tertiary);font-size:13px}.footer-bottom a{color:var(--accent-light);text-decoration:none}.footer-bottom a:hover{text-decoration:underline}@media (max-width:1024px){.tools-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}}@media (max-width:768px){.sidebar{z-index:95;width:280px;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay.active{display:block}.main{margin-left:0;padding:20px 16px}.hamburger{display:flex}.header-center{margin:0 12px}.search-box .search-shortcut{display:none}.tool-io,.tools-grid{grid-template-columns:1fr}.category-header h2{font-size:20px}.footer{margin-left:0;padding:0 16px}.footer-inner{grid-template-columns:1fr;gap:24px}.footer-bottom{text-align:center;flex-direction:column}}@media (max-width:480px){.header{padding:0 12px}.logo-text{display:none}.tool-card{padding:16px}}.fade-in{animation:.4s fadeIn}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.hidden{display:none!important}