:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#dbeafe;--color-bg:#fff;--color-bg-secondary:#f8fafc;--color-bg-tertiary:#f1f5f9;--color-text:#0f172a;--color-text-secondary:#475569;--color-text-muted:#94a3b8;--color-border:#e2e8f0;--color-border-hover:#cbd5e1;--color-success:#16a34a;--color-error:#dc2626;--color-warning:#f59e0b;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--radius-sm:.25rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--max-width:1200px;--header-height:64px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.6}*{letter-spacing:0}body{flex-direction:column;min-height:100vh;display:flex}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover);text-decoration:underline}img{max-width:100%;height:auto}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.container{width:100%;max-width:var(--max-width);padding:0 var(--spacing-lg);margin:0 auto}button,input,select,textarea{font:inherit}button,summary,a{touch-action:manipulation}:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:3px}main{flex:1}.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}@media (width<=768px){.container{padding:0 var(--spacing-md)}}@media (width<=375px){.container{padding:0 var(--spacing-sm)}}.converter-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-xl);box-shadow:var(--shadow-md)}.converter-input-group{gap:var(--spacing-md);flex-wrap:wrap;align-items:flex-end;display:flex}.converter-field{flex:1;min-width:200px}.converter-field label{color:var(--color-text-secondary);margin-bottom:var(--spacing-xs);font-size:.875rem;font-weight:500;display:block}.converter-field input,.converter-field select{width:100%;min-height:48px;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:1rem;font-family:var(--font-sans);transition:border-color .15s}.converter-field input:focus,.converter-field select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light);outline:none}.converter-result{color:var(--color-primary);text-align:center;padding:var(--spacing-lg) 0;font-size:clamp(1.35rem,4vw,2rem);font-weight:700}.swap-btn{border:1px solid var(--color-border);background:var(--color-bg);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.25rem;transition:all .15s;display:flex}.swap-btn:hover{background:var(--color-bg-secondary);border-color:var(--color-border-hover)}.conversion-table{border-collapse:collapse;width:100%;min-width:420px;margin:var(--spacing-lg) 0}.table-scroll{-webkit-overflow-scrolling:touch;width:100%;max-width:100%;overflow-x:auto}.conversion-table th,.conversion-table td{padding:var(--spacing-sm) var(--spacing-md);text-align:left;border-bottom:1px solid var(--color-border)}.conversion-table th{color:var(--color-text-secondary);text-transform:uppercase;font-size:.875rem;font-weight:600}.conversion-table tbody tr:hover{background:var(--color-bg-secondary)}.faq-list{gap:var(--spacing-sm);flex-direction:column;display:flex}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.faq-item summary{padding:var(--spacing-md);cursor:pointer;background:var(--color-bg-secondary);user-select:none;font-weight:500}.faq-item summary:hover{background:var(--color-bg-tertiary)}.faq-item .faq-answer{padding:var(--spacing-md);color:var(--color-text-secondary)}.breadcrumb{gap:var(--spacing-sm);color:var(--color-text-muted);padding:var(--spacing-md) 0;flex-wrap:wrap;align-items:center;font-size:.875rem;display:flex}.breadcrumb a{color:var(--color-text-muted)}.breadcrumb a:hover{color:var(--color-primary)}.breadcrumb .separator{user-select:none}.related-tools{gap:var(--spacing-md);grid-template-columns:repeat(auto-fill,minmax(200px,1fr));display:grid}.related-tool-card{padding:var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all .15s}.related-tool-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm)}.ad-slot{background:var(--color-bg-secondary);border:1px dashed var(--color-border);border-radius:var(--radius-md);min-height:90px;margin:var(--spacing-xl) 0;color:var(--color-text-muted);justify-content:center;align-items:center;font-size:.875rem;display:flex}.site-header{min-height:var(--header-height);border-bottom:1px solid var(--color-border);background:var(--color-bg);z-index:100;align-items:center;display:flex;position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;gap:var(--spacing-md);display:flex;position:relative}.site-logo{color:var(--color-text);font-size:1.25rem;font-weight:700}.site-logo:hover{color:var(--color-primary);text-decoration:none}.site-nav{gap:var(--spacing-md);align-items:center;display:flex}.site-nav a,.tools-menu summary{color:var(--color-text-secondary);align-items:center;min-height:44px;font-size:.875rem;font-weight:500;display:inline-flex}.site-nav a:hover,.tools-menu summary:hover{color:var(--color-primary);text-decoration:none}.tools-menu{position:relative}.tools-menu summary{cursor:pointer;list-style:none}.tools-menu summary::-webkit-details-marker{display:none}.mobile-menu summary::-webkit-details-marker{display:none}.tools-menu-panel{top:calc(100% + var(--spacing-sm));gap:var(--spacing-md);width:min(720px,100vw - 2rem);padding:var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);box-shadow:var(--shadow-lg);z-index:200;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;position:absolute;right:0}.tools-menu:not([open]) .tools-menu-panel{display:none}.tools-menu-group{padding:var(--spacing-md);border-radius:var(--radius-md);background:var(--color-bg-secondary)}.tools-menu-heading{color:var(--color-text);font-weight:700}.tools-menu-group p{margin-top:var(--spacing-xs);color:var(--color-text-secondary);font-size:.875rem}.tools-menu-links{gap:var(--spacing-sm);margin-top:var(--spacing-md);flex-wrap:wrap;display:flex}.tools-menu-links a{min-height:0;color:var(--color-primary)}.mobile-menu{display:none}.mobile-menu summary{border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;display:inline-flex}.mobile-menu summary span{background:var(--color-text);width:18px;height:2px}.mobile-menu-panel{top:calc(100% + var(--spacing-sm));right:var(--spacing-md);left:var(--spacing-md);gap:var(--spacing-xs);padding:var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);box-shadow:var(--shadow-lg);z-index:250;flex-direction:column;display:flex;position:absolute}.mobile-menu:not([open]) .mobile-menu-panel{display:none}.mobile-menu-panel a{min-height:44px;color:var(--color-text);align-items:center;font-weight:600;display:flex}.mobile-menu-divider{background:var(--color-border);height:1px;margin:var(--spacing-sm) 0}.mobile-menu-group{flex-direction:column;display:flex}.mobile-menu-child{padding-left:var(--spacing-md);color:var(--color-text-secondary)!important;font-weight:500!important}.site-footer{border-top:1px solid var(--color-border);padding:var(--spacing-2xl) 0;margin-top:var(--spacing-3xl);background:var(--color-bg-secondary)}.site-footer .container{justify-content:space-between;align-items:center;gap:var(--spacing-md);flex-wrap:wrap;display:flex}.site-footer nav{gap:var(--spacing-lg);flex-wrap:wrap;display:flex}.site-footer a{color:var(--color-text-muted);font-size:.875rem}.category-grid{gap:var(--spacing-lg);padding:var(--spacing-xl) 0;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));display:grid}.category-card{padding:var(--spacing-xl);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all .15s}.category-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-1px)}.category-card h3{margin-bottom:var(--spacing-sm)}.category-card p{color:var(--color-text-secondary);font-size:.875rem}.hero{text-align:center;padding:var(--spacing-3xl) 0 var(--spacing-2xl)}.hero h1{margin-bottom:var(--spacing-md);font-size:clamp(2rem,6vw,2.5rem)}.hero p{color:var(--color-text-secondary);max-width:600px;margin:0 auto;font-size:1.125rem}.page-section{padding:var(--spacing-xl) 0}.page-section+.page-section{border-top:1px solid var(--color-border)}.legal-page{max-width:820px;margin:0 auto}.legal-page h1{margin-bottom:var(--spacing-sm)}.legal-page h2{margin-top:var(--spacing-xl);margin-bottom:var(--spacing-sm)}.legal-page p{margin-top:var(--spacing-sm);color:var(--color-text-secondary)}.legal-page .legal-updated{color:var(--color-text-muted);margin-top:0;font-size:.9375rem}.eyebrow{color:var(--color-primary);text-transform:uppercase;font-size:.8125rem;font-weight:700}.section-header{justify-content:space-between;align-items:flex-end;gap:var(--spacing-lg);margin-bottom:var(--spacing-lg);display:flex}.section-header h2{margin-top:var(--spacing-xs)}.section-link{white-space:nowrap;align-items:center;min-height:44px;font-weight:700;display:inline-flex}.search-hero{gap:var(--spacing-2xl);padding:var(--spacing-3xl) 0;border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:center;display:grid}.hero-copy h1{max-width:760px;margin-top:var(--spacing-sm);font-size:clamp(2.25rem,7vw,4.5rem)}.hero-copy p:not(.eyebrow){max-width:680px;margin-top:var(--spacing-md);color:var(--color-text-secondary);font-size:clamp(1rem,2vw,1.25rem)}.tool-search-panel{padding:var(--spacing-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-secondary)}.tool-search-panel.is-compact{margin-bottom:var(--spacing-lg)}.tool-search-panel label{margin-bottom:var(--spacing-sm);font-weight:700;display:block}.tool-search-panel p{margin-top:var(--spacing-sm);color:var(--color-text-secondary);font-size:.875rem}.tool-search-input{width:100%;min-height:52px;padding:0 var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);background:var(--color-bg)}.tool-search-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light);outline:none}.tool-grid{gap:var(--spacing-md);grid-template-columns:repeat(auto-fill,minmax(240px,1fr));display:grid}.tool-card{gap:var(--spacing-sm);min-height:180px;padding:var(--spacing-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);background:var(--color-bg);flex-direction:column;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;position:relative}.tool-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);text-decoration:none;transform:translateY(-1px)}.tool-card[hidden]{display:none}.tool-card-kicker{color:var(--color-text-secondary);text-transform:uppercase;font-size:.8125rem;font-weight:700}.tool-card h3{color:var(--color-text)}.tool-card p{color:var(--color-text-secondary);font-size:.9375rem}.tool-card-badge,.status-pill{border:1px solid var(--color-border);border-radius:var(--radius-sm);width:fit-content;color:var(--color-text-secondary);margin-top:auto;padding:.2rem .5rem;font-size:.75rem;font-weight:700}.tool-card-badge,.status-pill.is-live{border-color:var(--color-primary-light);color:var(--color-primary);background:var(--color-primary-light)}.empty-state{margin-top:var(--spacing-lg);padding:var(--spacing-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);background:var(--color-bg-secondary)}.directory-grid{gap:var(--spacing-md);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));display:grid}.directory-card{justify-content:space-between;gap:var(--spacing-lg);min-height:240px;padding:var(--spacing-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);flex-direction:column;display:flex}.directory-card h3{margin-top:var(--spacing-md)}.directory-card p{margin-top:var(--spacing-sm);color:var(--color-text-secondary)}.directory-links{gap:var(--spacing-xs);flex-direction:column;display:flex}.directory-links a{align-items:center;min-height:36px;font-weight:700;display:flex}.compact-tool-list{gap:var(--spacing-sm);grid-template-columns:repeat(auto-fill,minmax(240px,1fr));display:grid}.compact-tool-list a{justify-content:space-between;align-items:center;gap:var(--spacing-md);min-height:56px;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);display:flex}.compact-tool-list a:hover{border-color:var(--color-primary);text-decoration:none}.compact-tool-list small{color:var(--color-text-secondary)}.category-hero{justify-content:space-between;align-items:flex-end;gap:var(--spacing-xl);padding:var(--spacing-2xl) 0;border-bottom:1px solid var(--color-border);display:flex}.category-hero h1,.tool-hero h1{margin-top:var(--spacing-sm);font-size:clamp(2rem,6vw,3rem)}.category-hero p:not(.eyebrow),.tool-hero p:not(.eyebrow){max-width:680px;margin-top:var(--spacing-md);color:var(--color-text-secondary)}.category-stats{min-width:150px;padding:var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);text-align:center;background:var(--color-bg-secondary)}.category-stats strong{font-size:2rem;line-height:1;display:block}.category-stats span{color:var(--color-text-secondary);font-size:.875rem}.tool-directory-section{padding:var(--spacing-xl) 0}.seo-panel{max-width:860px}.seo-panel p{margin-top:var(--spacing-md);color:var(--color-text-secondary)}.inline-link-list{gap:var(--spacing-sm);margin-top:var(--spacing-lg);flex-wrap:wrap;display:flex}.inline-link-list a{min-height:40px;padding:0 var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);align-items:center;font-weight:700;display:inline-flex}.inline-link-list a:hover{border-color:var(--color-primary);text-decoration:none}.tool-hero{padding:var(--spacing-xl) 0 var(--spacing-lg)}.tool-info-grid{gap:var(--spacing-md);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));display:grid}.info-panel{padding:var(--spacing-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-secondary)}.info-panel h2{font-size:1.125rem}.plain-list{gap:var(--spacing-sm);margin-top:var(--spacing-md);color:var(--color-text-secondary);flex-direction:column;padding-left:1.1rem;display:flex}.tag-list{gap:var(--spacing-sm);margin-top:var(--spacing-md);flex-wrap:wrap;display:flex}.tag-list span{border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-secondary);background:var(--color-bg);padding:.35rem .6rem;font-size:.875rem}@media (width<=1200px){.search-hero{gap:var(--spacing-xl)}}@media (width<=1024px){.search-hero{grid-template-columns:1fr}.tool-search-panel{max-width:720px}.tools-menu-panel{grid-template-columns:1fr;width:min(520px,100vw - 2rem)}}@media (width<=768px){.site-header .container{min-height:var(--header-height)}.site-nav{display:none}.mobile-menu{display:block}.search-hero{padding:var(--spacing-2xl) 0}.section-header,.category-hero{flex-direction:column;align-items:flex-start}.category-stats{width:100%}.converter-card{padding:var(--spacing-lg)}.converter-input-group{flex-direction:column;align-items:stretch}.converter-field{width:100%;min-width:0}.swap-btn{align-self:center}.site-footer .container,.site-footer nav{flex-direction:column;align-items:flex-start}}@media (width<=480px){.breadcrumb{gap:var(--spacing-xs);line-height:1.4}.breadcrumb a,.breadcrumb span{max-width:100%}.hero,.category-hero,.tool-hero,.search-hero{padding-top:var(--spacing-xl);padding-bottom:var(--spacing-xl)}.tool-card,.directory-card,.tool-search-panel{padding:var(--spacing-md)}.tool-grid,.directory-grid,.compact-tool-list,.related-tools,.category-grid{grid-template-columns:1fr}}@media (width<=375px){.mobile-menu-panel{right:var(--spacing-sm);left:var(--spacing-sm)}.compact-tool-list a{flex-direction:column;align-items:flex-start}}