@layer base, layout, components;
@layer base {
 :root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#193438;background:#f7f9f9;font-synthesis:none;font-size:16px;--ink:#193438;--muted:#647678;--border:#dce4e4;--green:#167850;--red:#a63e43}
 *{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,summary,textarea{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #158d69;outline-offset:4px}h1,h2,h3,p{margin:0}p{line-height:1.7}button{border:0;background:transparent}svg{flex-shrink:0} [hidden]{display:none!important}::selection{background:#c3f4de}h2{font-size:clamp(1.7rem,2.5vw,2.25rem);line-height:1.2;letter-spacing:-.045em;font-weight:650}h3{font-size:1.05rem;line-height:1.5;font-weight:650}.eyebrow{font-size:.75rem;font-weight:750;letter-spacing:.14em;color:#637a7b;line-height:1.5} .skip-link{position:fixed;top:-100px;left:20px;padding:12px;background:white;z-index:10}.skip-link:focus{top:10px}
}
@layer layout {
 .site-header{max-width:1376px;margin:auto;height:93px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}main,footer{max-width:1280px;margin:auto}.workspace{padding:49px 0 58px}.intro{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:30px;gap:24px}h1{font-size:clamp(2.4rem,4vw,3.25rem);letter-spacing:-.055em;line-height:1.1;margin-top:10px;font-weight:650}.heading-dot{color:#18a575}.intro-copy{color:var(--muted);margin-top:13px;font-size:1rem}.privacy-note{display:flex;align-items:center;gap:8px;color:#526c67;font-size:.875rem;padding-bottom:3px}.editor-grid{display:grid;grid-template-columns:1fr 1fr}.editor-panel{min-width:0}.editor-panel+ .editor-panel{border-left:1px solid var(--border)}.guide-section{padding:61px 0 65px;display:grid;grid-template-columns:1fr 1fr;gap:100px;border-top:1px solid var(--border)}.section-intro h2{margin:15px 0 19px}.section-intro>p:last-child{color:var(--muted);max-width:420px}.steps{display:grid;gap:24px}.steps article{display:flex;gap:24px}.steps p{font-size:1rem;color:var(--muted);margin-top:5px;max-width:420px}.use-section{padding:49px 44px 43px;background:#eaf0f0;border:1px solid #dfe7e7;border-radius:12px}.use-section h2{margin-top:10px}.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:52px;margin-top:40px}.use-grid h3{margin-top:18px}.use-grid p{color:#5b7173;font-size:.9375rem;margin-top:9px}.faq-section{display:grid;grid-template-columns:1fr 1.3fr;gap:90px;padding:78px 0 83px}.faq-section h2{margin-top:12px}footer{display:flex;align-items:center;justify-content:space-between;padding:28px 0 35px;border-top:1px solid var(--border);gap:25px}footer p,footer>a:last-child{font-size:.875rem;color:var(--muted)}
}
@layer components {
 .brand{display:inline-flex;align-items:center;font-size:1.625rem;letter-spacing:-.06em;font-weight:720}.brand-icon{width:31px;height:31px;display:inline-flex;align-items:center;justify-content:center;margin-right:10px;border-radius:8px;background:var(--ink);color:#8aeac4;font-size:1.65rem;font-weight:500;letter-spacing:0;line-height:1}.brand-period{color:#169b70}nav{display:flex;align-items:center;gap:33px;font-size:.875rem}nav a:hover,footer a:hover{text-decoration:underline;text-underline-offset:4px}.free-label{font-size:.75rem;padding:7px 11px;background:#e7eeee;border-radius:5px;color:#526b6e}.tool-card{background:#fff;border:1px solid #d4dfde;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px #19343804,0 1px 2px #19343805}.toolbar{min-height:61px;background:#fdfefe;display:flex;justify-content:space-between;align-items:center;padding:12px 21px;border-bottom:1px solid var(--border);gap:16px}.tool-title{display:flex;align-items:center;gap:10px;font-size:.875rem;font-weight:650}.tool-mark{font-size:1.5rem;line-height:1;color:#678681}.toolbar-actions{display:flex;align-items:center;gap:17px}.toolbar-divider{height:18px;width:1px;background:var(--border)}.text-button{font-size:.875rem;min-height:30px;padding:3px 0}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.text-button span{margin-left:5px}.muted{color:#6a7b7d}.icon-button{font-size:1.4rem;padding:0 2px;min-width:30px;min-height:30px}.panel-heading{height:55px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:12px}.panel-heading label,.panel-heading strong{font-size:.875rem;font-weight:620;display:flex;align-items:center;gap:9px}.version-tag{font-family:ui-monospace,monospace;font-size:.75rem;background:#eef2f2;padding:2px 5px;border-radius:3px;color:#718385;font-weight:400}.panel-caption{font-size:.75rem;color:#849192}textarea{display:block;border:0;resize:vertical;width:100%;height:285px;min-height:160px;padding:10px 23px 20px;color:#31484b;background:#fff;font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:.875rem;line-height:1.85;outline:none;border-top:2px solid transparent;border-bottom:2px solid transparent}textarea::placeholder{color:#93a0a2}textarea:focus{border-color:#77c8af;background:#fcfffd}.editor-foot{height:38px;margin:0 22px;display:flex;justify-content:space-between;align-items:center;color:#879396;font-size:.75rem;border-top:1px solid #eef2f2}.options-row{min-height:81px;padding:18px 22px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);gap:15px;background:#fbfcfc}.options{display:flex;align-items:center;gap:22px;flex-wrap:wrap;font-size:.875rem;color:#597073}.check-label{display:inline-flex;align-items:center;gap:7px;cursor:pointer;white-space:nowrap}input[type=checkbox]{appearance:none;width:15px;height:15px;border:1px solid #b3c5c4;border-radius:3px;margin:0;display:grid;place-content:center;background:white}input[type=checkbox]:checked{background:#227457;border-color:#227457}input[type=checkbox]:checked::after{content:'✓';font-size:12px;color:white}.granularity{display:flex;align-items:center;gap:7px}select{border:1px solid #d3dddd;border-radius:5px;padding:6px 25px 6px 8px;background:white;color:#3a5457;font-size:.875rem}.compare-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}.shortcut{color:#879799;font-family:ui-monospace,monospace;font-size:.75rem}.primary-button{display:flex;align-items:center;justify-content:center;gap:25px;min-height:43px;border-radius:6px;background:#193b3b;color:#fff;padding:10px 19px;font-size:.875rem;font-weight:550;box-shadow:0 2px 2px #18393812}.primary-button:hover{background:#25524e}.primary-button span{font-size:1.125rem;color:#9ce7ca}.under-tool{display:flex;align-items:center;justify-content:space-between;margin-top:16px;gap:20px}.under-tool>p{font-size:.75rem;color:#7e8c8e}.under-tool>p.error{color:#a3333b}.legend{display:flex;gap:20px;align-items:center;font-size:.75rem;color:#687c7e}.legend>span{display:flex;gap:6px;align-items:center}.legend i{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;font-style:normal;border-radius:3px}.legend-removed{background:#fae4e3;color:#b44b4e}.legend-added{background:#d6f1e5;color:#287957}.step-number{flex-shrink:0;font-family:ui-monospace,monospace;color:#73948c;font-size:.875rem;padding-top:5px}.use-symbol{font-family:ui-monospace,monospace;font-size:1.65rem;line-height:29px;color:#387060}.faqs{border-top:1px solid var(--border)}details{border-bottom:1px solid var(--border)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:24px;padding:20px 0;font-size:.9375rem;font-weight:550;line-height:1.5}summary::-webkit-details-marker{display:none}summary::after{content:'+';font-size:1.2rem;line-height:1.2;font-weight:400;color:#64807d}details[open] summary::after{content:'−'}details p{font-size:1rem;color:var(--muted);padding:0 30px 22px 0}.result-summary{padding:14px 22px;display:flex;justify-content:space-between;align-items:center;gap:15px;background:#f8faf9;border-bottom:1px solid var(--border)}#result-stats{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:.875rem}.stat{padding:4px 8px;border-radius:4px}.stat-add{background:#e0f4e9;color:#216944}.stat-remove{background:#fce9e8;color:#963940}.view-switch{display:flex;gap:3px;padding:3px;border-radius:6px;border:1px solid #dce4e3}.view-switch button{font-size:.75rem;padding:6px 9px;white-space:nowrap}.view-switch button[aria-pressed=true]{background:#fff;box-shadow:0 1px 3px #142c3020;border-radius:4px}#result-output{max-height:520px;overflow:auto}.diff-grid{display:grid;grid-template-columns:1fr 1fr}.diff-panel{min-width:0}.diff-panel+.diff-panel{border-left:1px solid var(--border)}.diff-text{padding:10px 22px 25px;white-space:pre-wrap;overflow-wrap:anywhere;font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:.875rem;line-height:1.95;margin:0;min-height:250px;tab-size:4}.diff-text ins,.diff-text del{text-decoration:none;border-radius:2px;box-decoration-break:clone;-webkit-box-decoration-break:clone}.diff-text ins{background:#d0f1df;color:#144b2f;border-bottom:2px solid #69b98f}.diff-text del{background:#fbdcda;color:#802f36;border-bottom:2px solid #da8b8d}.unified-text del{text-decoration:line-through}.diff-empty{color:#849395;font-style:italic;font-family:inherit}.result-note{font-size:.75rem;color:var(--muted);padding:0 22px 12px}.result-note:empty{display:none}.notice{padding:16px;color:#a3333b}.result-status{color:#366550}
 @media(min-width:1450px){.site-header{max-width:1440px}}@media(max-width:1380px){main,footer{margin-left:48px;margin-right:48px}}@media(max-width:1100px){.options-row{align-items:flex-start}.options{gap:14px}.privacy-note{font-size:.75rem}.guide-section{gap:60px}.shortcut{display:none}.use-grid{gap:30px}}@media(max-width:900px){main,footer{margin-left:28px;margin-right:28px}.site-header{padding:0 28px;height:80px}.intro{align-items:flex-start;flex-direction:column;gap:18px}.workspace{padding-top:35px}.options-row{flex-wrap:wrap}.compare-actions{margin-left:auto}.options{flex:1}.granularity{white-space:nowrap}.guide-section{gap:35px}.faq-section{grid-template-columns:1fr;gap:30px}.use-section{padding:34px 27px}.use-grid{gap:25px}.free-label{display:none}}
 @media(max-width:620px){.site-header{padding:0 20px;height:73px}main,footer{margin-left:20px;margin-right:20px}.brand{font-size:1.4rem}.brand-icon{width:28px;height:28px;font-size:1.4rem}nav{gap:18px;font-size:.75rem}.intro{margin-bottom:23px}.intro-copy{font-size:.9375rem}.eyebrow{font-size:.75rem}.editor-grid,.diff-grid{grid-template-columns:1fr}.editor-panel+.editor-panel,.diff-panel+.diff-panel{border-left:0;border-top:1px solid var(--border)}textarea{height:200px;font-size:.875rem;padding-left:17px;padding-right:17px}.panel-heading{padding:0 17px;height:50px}.toolbar{padding:12px 15px}.toolbar-actions{gap:11px}.tool-title{font-size:.75rem;gap:5px}.tool-mark,.toolbar-divider{display:none}.text-button{font-size:.75rem}.options-row{padding:17px;gap:20px}.options{font-size:.75rem;gap:17px;width:100%;flex-basis:100%}.compare-actions{width:100%;justify-content:flex-end}.primary-button{flex:1}.under-tool{align-items:flex-start;gap:14px}.under-tool>p{font-size:.75rem}.legend{gap:10px;flex-shrink:0}.workspace{padding-bottom:40px}.guide-section{grid-template-columns:1fr;gap:34px;padding:40px 0}.section-intro>p:last-child{font-size:.9375rem}.steps{gap:25px}.steps article{gap:19px}.use-section{padding:30px 24px}.use-grid{grid-template-columns:1fr;gap:30px;margin-top:30px}.use-grid h3{margin-top:9px}.faq-section{padding:48px 0}.result-summary{align-items:flex-start;flex-direction:column;padding:14px 17px}footer{flex-wrap:wrap;padding:23px 0 28px;gap:15px}footer p{display:none}footer>a:last-child{font-size:.75rem}.diff-text{padding-left:17px;padding-right:17px;min-height:120px}}
 @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
}