:root{--ink:#17233b;--muted:#647087;--accent:#174cdc;--accent-soft:#edf3ff;--border:#e0e5ed;--surface-soft:#f6f8fb;--radius:12px;color:var(--ink);font-synthesis:none;scroll-behavior:smooth;background:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;font-weight:400;line-height:1.6}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}svg{vertical-align:middle;flex-shrink:0}img{max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.22}p{margin-bottom:1rem}[hidden]{display:none!important}::selection{background:#d9e5ff}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #6e99ff}button:disabled{cursor:not-allowed;opacity:.55}input:disabled,select:disabled{cursor:not-allowed}a,button{transition:color .15s,background .15s,border-color .15s}a:hover{color:var(--accent)}.container{width:calc(100% - 80px);max-width:1220px;margin-inline:auto}.muted{color:var(--muted)}.eyebrow{letter-spacing:.13em;color:var(--muted);align-items:center;gap:12px;font-size:.75rem;font-weight:700;line-height:1.5;display:flex}.eyebrow-line{background:var(--accent);width:28px;height:2px}.skip-link{z-index:99;border:2px solid var(--accent);background:#fff;padding:12px 18px;position:fixed;top:8px;left:8px;transform:translateY(-160%)}.skip-link:focus{transform:none}.site-header{border-bottom:1px solid var(--border);background:#fff}.header-inner{align-items:center;gap:40px;min-height:88px;display:flex}.brand{letter-spacing:-.035em;white-space:nowrap;align-items:center;gap:12px;font-size:1.125rem;font-weight:720;display:flex}.brand-mark{background:var(--accent);color:#fff;letter-spacing:-.12em;border-radius:9px;place-content:center;width:35px;height:35px;padding-bottom:3px;padding-right:4px;font-size:1.65rem;font-weight:700;line-height:1;display:grid}.brand-period{color:var(--accent)}.header-inner nav{align-items:center;gap:30px;margin-left:auto;font-size:.875rem;font-weight:550;display:flex}.header-inner nav a{padding:12px 0}.header-note{color:var(--muted);border-left:1px solid var(--border);padding-left:30px;font-size:.8rem}.home-intro{justify-content:space-between;align-items:center;gap:40px;padding:66px 0 50px;display:flex}.home-intro h1{letter-spacing:-.065em;margin:21px 0 23px;font-size:clamp(3.5rem,6.2vw,5.5rem);font-weight:650;line-height:1.03}.home-intro h1 span{color:var(--accent)}.intro-copy{color:var(--muted);margin:0;font-size:1.075rem;line-height:1.7}.intro-aside{flex-direction:column;align-items:flex-start;gap:31px;padding-right:60px;display:flex}.tool-count{letter-spacing:-.08em;color:#d9e3f5;align-items:center;gap:23px;font-size:5rem;font-weight:500;line-height:1;display:flex}.tool-count span{letter-spacing:.15em;color:var(--muted);max-width:40px;font-size:.69rem;font-weight:650;line-height:1.8}.local-note{color:var(--muted);align-items:center;gap:13px;font-size:.83rem;line-height:1.65;display:flex}.local-note svg{color:var(--accent)}.category-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:24px;min-height:67px;display:flex}.category-bar nav{gap:34px;display:flex}.category-bar nav a{align-items:center;gap:10px;padding:19px 0;font-size:.875rem;font-weight:600;display:flex}.category-bar nav a span{background:var(--surface-soft);text-align:center;min-width:23px;color:var(--muted);border-radius:5px;padding:2px 6px;font-size:.7rem;font-weight:600}.category-bar>.muted{font-size:.8rem}.tool-directory{padding:43px 0 0}.category-section{margin-bottom:49px;scroll-margin-top:24px}.section-heading{justify-content:space-between;align-items:center;gap:28px;margin-bottom:20px;display:flex}.section-heading>div{align-items:center;gap:15px;display:flex}.section-number{letter-spacing:.05em;color:#8091ac;font-size:.7rem;font-weight:600}.section-heading h2{margin:0;font-size:1.375rem;font-weight:600}.section-heading p{color:var(--muted);margin:0;font-size:.8rem}.tool-cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.tool-cards-two{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;flex-direction:column;min-width:0;padding:23px;display:flex;position:relative}.tool-card:hover{color:var(--ink);background:#fbfcff;border-color:#a5bced}.card-top{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.tool-icon{background:var(--accent-soft);width:49px;height:49px;color:var(--accent);border-radius:10px;flex-shrink:0;place-content:center;display:grid}.card-arrow{color:#96a2b5;place-content:center;transition:transform .15s;display:grid}.tool-card:hover .card-arrow{color:var(--accent);transform:translate(3px)}.tool-card h3{letter-spacing:-.025em;margin-bottom:9px;font-size:1.025rem;font-weight:650}.tool-card p{color:var(--muted);max-width:300px;margin-bottom:21px;font-size:.85rem;line-height:1.7}.card-action{color:var(--accent);margin-top:auto;font-size:.75rem;font-weight:650}.tool-cards-two .tool-card{min-height:218px}.tool-cards-two .card-top{margin-bottom:16px}.quiet-note{border-top:1px solid var(--border);gap:18px;max-width:770px;padding:30px 0 43px;display:flex}.quiet-note>svg{color:var(--accent);margin-top:3px}.quiet-note h2{letter-spacing:-.02em;margin-bottom:8px;font-size:1.075rem;font-weight:600}.quiet-note p{color:var(--muted);margin-bottom:9px;font-size:.85rem}.quiet-note a{color:var(--accent);text-underline-offset:4px;font-size:.8rem;font-weight:600;text-decoration:underline}.site-footer{background:var(--surface-soft);border-top:1px solid var(--border);padding:30px 0 20px}.footer-top{align-items:center;gap:25px;padding-bottom:25px;display:flex}.footer-top p{color:var(--muted);margin:0;font-size:.8rem}.footer-top nav{gap:23px;margin-left:auto;font-size:.8rem;display:flex}.footer-bottom{border-top:1px solid var(--border);color:var(--muted);justify-content:space-between;padding-top:16px;font-size:.7rem;display:flex}.footer-brand{gap:0;font-size:1rem}.breadcrumbs{color:var(--muted);flex-wrap:wrap;gap:11px;padding:26px 0;font-size:.8rem;display:flex}.breadcrumbs [aria-current]{color:var(--ink)}.tool-title{align-items:center;gap:19px;padding:12px 0 28px;display:flex}.tool-title>.tool-icon{width:57px;height:57px}.tool-title h1{letter-spacing:-.05em;margin:0 0 7px;font-size:2.2rem;font-weight:650}.tool-title p{color:var(--muted);margin:0;font-size:.93rem}.local-pill{border:1px solid var(--border);white-space:nowrap;color:var(--muted);border-radius:6px;align-items:center;gap:7px;margin-left:auto;padding:7px 11px;font-size:.72rem;display:flex}.local-pill svg{color:var(--accent)}.workspace{border:1px solid var(--border);background:#fff;border-radius:14px;padding:27px;box-shadow:0 5px 26px #182e5c05}.workspace-header{justify-content:space-between;align-items:center;gap:15px;margin-bottom:17px;display:flex}.workspace-header h2{letter-spacing:-.025em;margin:0;font-size:1.03rem;font-weight:650}.workspace-header>.muted{font-size:.75rem}.tool-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;min-width:0;display:grid}.tool-grid>div,.tool-grid>form{min-width:0}.tool-grid>.control-panel{border-right:1px solid var(--border);padding-right:32px}.image-tool-grid{grid-template-columns:minmax(230px,.7fr) minmax(0,1.6fr)}.field{margin-bottom:8px;font-size:.875rem;font-weight:550;line-height:1.5;display:block}.field .input,.field .select{margin-top:7px}.control-panel>.field{margin-top:18px}.input,.select{width:100%;color:var(--ink);background:#fff;border:1px solid #ccd4e1;border-radius:7px;min-width:0;min-height:46px;padding:12px 13px;font-size:1rem;line-height:1.5;display:block}.input:focus,.select:focus{border-color:var(--accent)}textarea.input{resize:vertical;min-height:130px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.92rem;line-height:1.75}.input[readonly]{background:var(--surface-soft)}.control-panel>p.muted,.preview-panel>p.muted{margin-top:13px;font-size:.8rem;line-height:1.65}.tool-actions{flex-wrap:wrap;gap:9px;margin-top:20px;display:flex}.button{border:1px solid var(--accent);background:var(--accent);color:#fff;text-align:center;white-space:normal;cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 17px;font-size:.85rem;font-weight:600;line-height:1.5;display:inline-flex}.button:hover{color:#fff;background:#123ba9;border-color:#123ba9}.button.secondary{color:var(--ink);background:#fff;border-color:#ccd4e1}.button.secondary:hover{background:var(--surface-soft);border-color:#9daec7}.stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin:12px 0 24px;display:grid}.metric{border:1px solid var(--border);background:var(--surface-soft);border-radius:8px;flex-direction:column;gap:8px;min-width:0;padding:16px 13px;display:flex}.metric>.muted{font-size:.74rem;line-height:1.4}.metric output{letter-spacing:-.045em;overflow-wrap:anywhere;min-width:0;font-size:2.3rem;font-weight:600;line-height:1.25}.metric strong{overflow-wrap:anywhere;font-size:.94rem;font-weight:600}.image-workspace .stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:0}.image-workspace .workspace-label{color:var(--muted);font-size:.72rem}.image-workspace .image-help,.image-workspace .image-dropzone .muted{font-size:.82rem}.image-workspace .image-footnote{font-size:.8rem}.image-workspace .dimension-fields .field{margin-bottom:0}.image-workspace .preview-panel{min-height:290px}.notice{background:var(--accent-soft);border:1px solid #bfd2ff;border-radius:7px;margin:15px 0;padding:12px 15px;font-size:.875rem}.notice.error{color:#8f2323;background:#fff4f4;border-color:#e9b7b7}.result{background:var(--surface-soft);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;align-items:baseline;gap:10px;min-height:150px;margin-bottom:20px;padding:24px;display:flex}.result output{letter-spacing:-.055em;overflow-wrap:anywhere;min-width:0;max-width:100%;font-size:clamp(2.5rem,5vw,4.2rem);font-weight:600;line-height:1.2}.result .muted{font-size:1rem}.preview-panel>[data-calculator-equation]{overflow-wrap:anywhere;font-size:.875rem}.empty-preview{background:var(--surface-soft);border:1px solid var(--border);min-height:250px;color:var(--muted);text-align:center;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:7px;padding:22px;display:flex}.empty-preview p{margin:0;font-size:.92rem}.empty-preview>.muted{font-size:.8rem}.workspace-footnote{color:var(--muted);align-items:center;gap:7px;margin:14px 0 35px;font-size:.75rem;display:flex}.workspace-footnote svg{color:var(--accent)}.tool-information{border-top:1px solid var(--border);grid-template-columns:minmax(0,1fr) 270px;gap:80px;padding:39px 0 60px;display:grid}.tool-guide{max-width:760px}.tool-guide h2{letter-spacing:-.03em;margin:32px 0 16px;font-size:1.35rem;font-weight:600}.tool-guide>.eyebrow+h2{margin-top:0}.tool-guide p,.tool-guide li{color:#4f5c72;font-size:.94rem;line-height:1.85}.tool-guide ol,.tool-guide ul{margin:19px 0 25px;padding-left:22px}.tool-guide li{margin-bottom:10px;padding-left:5px}.tool-guide ol li::marker{color:var(--accent);font-weight:650}.example-box{border-left:3px solid var(--accent);background:var(--surface-soft);margin:30px 0;padding:22px 24px}.example-box h3{letter-spacing:-.02em;margin:10px 0 9px;font-size:1rem}.example-box p{margin:0}.example-box .eyebrow{font-size:.68rem}.related-tools>h2{margin:8px 0 17px;font-size:1.1rem;font-weight:600}.related-tools>a{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:14px 0;font-size:.825rem;display:flex}.related-tools>a>svg:first-child{color:var(--accent)}.related-tools>a>svg:last-child{color:var(--muted);margin-left:auto}.aside-note{background:var(--surface-soft);border:1px solid var(--border);border-radius:10px;margin-top:29px;padding:24px}.aside-note>svg{color:var(--accent);margin-bottom:16px}.aside-note h3{margin-bottom:9px;font-size:1rem}.aside-note p{color:var(--muted);font-size:.82rem;line-height:1.75}.aside-note a{color:var(--accent);text-underline-offset:4px;font-size:.78rem;text-decoration:underline}.faq-list details{border-bottom:1px solid var(--border);padding:17px 0}.faq-list summary{cursor:pointer;font-size:.92rem;font-weight:550;line-height:1.6}.faq-list details p{margin:13px 0 0}.prose-page{max-width:760px;padding:57px 0 66px}.prose-page>.eyebrow{margin-bottom:14px}.prose-page h1{letter-spacing:-.055em;margin:0 0 27px;font-size:3rem;font-weight:600}.prose-page h2{letter-spacing:-.03em;margin:35px 0 13px;font-size:1.3rem;font-weight:600}.prose-page p,.prose-page li{color:#4f5c72;font-size:1rem;line-height:1.85}.prose-page a{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.prose-page li{margin-bottom:8px}.prose-page .lead{color:var(--ink);font-size:1.15rem;line-height:1.75}.contact-link{overflow-wrap:anywhere;align-items:center;gap:10px;max-width:100%;margin-top:15px;font-size:1.1rem;display:inline-flex}.ad-slot{text-align:center;max-width:970px;margin:28px auto}.ad-slot>.muted{margin-bottom:8px;font-size:.75rem;display:block}@media (width>=1000px){.tool-cards-two .tool-card{padding-right:80px}.tool-cards-two .card-top .card-arrow{position:absolute;top:28px;right:23px}}@media (width<=1050px){.header-note{display:none}.container{width:calc(100% - 48px)}.intro-aside{padding-right:0}.tool-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-information{grid-template-columns:minmax(0,1fr) 230px;gap:40px}.tool-title h1{font-size:1.9rem}.image-tool-grid{grid-template-columns:minmax(220px,.9fr) minmax(0,1.2fr)}}@media (width<=720px){.container{width:calc(100% - 32px)}.header-inner{flex-wrap:wrap;gap:10px;min-height:78px;padding:15px 0}.brand{gap:8px;font-size:1rem}.brand-mark{width:30px;height:30px;font-size:1.4rem}.header-inner nav{gap:16px;margin-left:auto;font-size:.75rem}.header-inner nav a{padding:6px 0}.home-intro{align-items:flex-start;gap:20px;padding:38px 0 33px}.home-intro h1{margin:17px 0 19px;font-size:3.4rem}.home-intro .eyebrow{gap:8px;font-size:.65rem}.eyebrow-line{width:20px}.intro-copy{font-size:.94rem}.intro-aside{display:none}.category-bar{gap:0;min-height:63px}.category-bar nav{justify-content:space-between;gap:22px;width:100%}.category-bar nav a{gap:6px;font-size:.8rem}.category-bar>.muted{display:none}.tool-directory{padding-top:29px}.section-heading{flex-direction:column;align-items:flex-start;gap:6px;margin-bottom:15px}.section-heading h2{font-size:1.23rem}.section-heading p{padding-left:30px;font-size:.8rem}.category-section{margin-bottom:33px}.tool-cards{gap:11px}.tool-card{min-height:220px;padding:17px}.tool-card h3{letter-spacing:-.025em;font-size:.94rem}.tool-card p{margin-bottom:16px;font-size:.8rem}.card-top{margin-bottom:19px}.tool-icon{width:42px;height:42px}.card-action{font-size:.74rem}.tool-cards-two .tool-card{min-height:230px}.quiet-note{padding-bottom:32px}.footer-top{flex-wrap:wrap;gap:9px}.footer-top p{width:100%}.footer-top nav{gap:22px;margin-top:10px;margin-left:0}.footer-bottom{flex-wrap:wrap;gap:12px}.tool-title{flex-wrap:wrap;gap:12px;padding:6px 0 21px}.tool-title>.tool-icon{width:47px;height:47px}.tool-title>div{flex:1;min-width:0}.tool-title h1{overflow-wrap:anywhere;font-size:1.65rem}.tool-title p{font-size:.85rem}.local-pill{margin-left:59px;font-size:.7rem}.workspace{border-radius:10px;padding:18px}.tool-grid,.image-tool-grid{grid-template-columns:minmax(0,1fr);gap:24px}.tool-grid>.control-panel{border-right:0;border-bottom:1px solid var(--border);padding-bottom:24px;padding-right:0}.tool-information{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:26px}.related-tools,.aside-note{max-width:100%}.metric{padding:13px 10px}.metric output{font-size:1.8rem}.metric>.muted{font-size:.72rem}.workspace-footnote{align-items:flex-start;margin-bottom:25px;font-size:.73rem}.workspace-footnote svg{margin-top:3px}.breadcrumbs{padding:20px 0;font-size:.72rem}.workspace-header{gap:8px}.workspace-header h2{font-size:1rem}.workspace-header>.muted{font-size:.7rem}.image-workspace .image-dropzone{padding:23px 15px}.image-workspace .image-dropzone strong{font-size:.875rem}.image-workspace .image-dropzone .muted{font-size:.77rem}.prose-page{padding:37px 0 45px}.prose-page h1{font-size:2.3rem}.prose-page .lead{font-size:1.03rem}.result output{font-size:3rem}.tool-guide p,.tool-guide li{font-size:.9rem}.image-workspace .image-result .workspace-header{flex-wrap:wrap}.image-workspace .image-result .workspace-header .button{width:100%}}@media (width<=400px){.header-inner nav{justify-content:space-between;width:100%;margin-top:5px}.tool-card{padding:15px}.tool-cards{gap:9px}.card-arrow{display:none}.category-bar nav{gap:13px}.category-bar nav a{font-size:.76rem}.brand{font-size:1.025rem}.home-intro h1{font-size:3.2rem}.stats{gap:7px}.metric{padding:11px 8px}.metric output{font-size:1.6rem}.workspace{padding:15px}.tool-title h1{font-size:1.5rem}}.footer-top nav{flex-wrap:wrap}.tool-card h3,.metric,.workspace-header,.header-note{overflow-wrap:anywhere}.image-workspace>.workspace-header>.button{white-space:nowrap;flex-shrink:0}.tool-count{color:#7a8daf}.section-number{color:var(--muted)}@media (width<=720px){.tool-title>div{flex:calc(100% - 59px)}.local-pill{flex:0 auto}.footer-top nav{row-gap:10px}.stats{grid-template-columns:repeat(auto-fit,minmax(min(100%,6rem),1fr))}.category-bar nav{flex-wrap:wrap;justify-content:flex-start;row-gap:0;padding:8px 0}.category-bar nav a{padding:9px 0}}@media (prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}