@charset "UTF-8";
:root{color-scheme:light;--ink:#202c43;--muted:#617087;--accent:#5952d9;--accent-dark:#4841bd;--line:#e1e6ef;--surface:#fff;--page:#f5f7fb;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none;line-height:1.55;color:var(--ink);background:var(--page)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}:focus-visible{outline:3px solid #827af4;outline-offset:4px}.shell{width:min(1120px,calc(100% - 64px));margin-inline:auto}.skip-link{position:fixed;left:20px;top:-80px;z-index:10;padding:12px 18px;background:#fff;color:var(--ink);border-radius:8px}.skip-link:focus{top:12px}.site-header{background:#17233a;color:#f8f9ff}.header-inner{min-height:82px;display:flex;align-items:center;gap:44px}.brand{display:inline-flex;align-items:center;gap:12px;font-size:22px;font-weight:700;letter-spacing:-.7px}.brand-mark{display:grid;place-items:center;width:39px;height:39px;border:1px solid #6863e4;background:#5952d9;border-radius:11px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:21px;letter-spacing:-4px;padding-right:4px}.brand-light{font-weight:400;color:#aeb8d1}.header-inner nav{display:flex;gap:26px;font-size:14px;color:#c7d0e2}.header-inner nav a{padding:8px 0}.header-inner nav a:hover{color:#fff}.local-label{margin-left:auto;font-size:12px;color:#c1cbdc;display:flex;align-items:center;gap:8px}.local-label>span{width:6px;height:6px;background:#78d5b3;border-radius:50%}.hero{display:grid;grid-template-columns:1.13fr 1fr;align-items:center;gap:62px;padding:66px 0 60px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:750;color:var(--accent);margin:0 0 17px}h1{font-size:clamp(34px,3.9vw,49px);line-height:1.16;letter-spacing:-1.8px;margin:0 0 21px;font-weight:750}h1 span{color:var(--accent)}.hero-description{font-size:15px;line-height:1.8;color:var(--muted);max-width:505px;margin:0}.hero-notes{display:flex;flex-wrap:wrap;gap:16px;font-size:11px;color:#55647b;margin-top:23px}.hero-notes span::before{content:"✓";margin-right:6px;color:#4c947b}.hero-code{border:1px solid #dce1ed;border-radius:13px;background:#fff;box-shadow:0 16px 45px #263b7010;transform:rotate(-1deg);overflow:hidden}.code-top{display:flex;align-items:center;gap:5px;padding:15px 18px;border-bottom:1px solid #edf0f5;background:#fcfcfe}.code-top>span{width:7px;height:7px;border-radius:50%;background:#d8dce8}.code-top>span:first-child{background:#d3bbf1}.code-top small{font-family:ui-monospace,Consolas,monospace;margin-left:auto;color:#647187;font-size:10px}.hero-code pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;line-height:2.1;padding:22px 22px 18px;margin:0;overflow-x:auto;white-space:pre}.code-key{color:#6552b3}.code-string{color:#347e69}.code-muted{color:#8c97a8}.code-bottom{font-size:10px;border-top:1px solid #edf0f5;color:#647187;padding:11px 19px}.code-bottom span{color:#50a184;font-size:8px;margin-right:5px}.section-label{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:19px}.section-label h2{font-size:16px;margin:0;letter-spacing:-.2px}.section-label>span{font-size:12px;color:#626f85}.tool-card{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 3px 12px #22385903;scroll-margin-top:25px}.tool-heading{display:flex;gap:13px;align-items:center;margin-bottom:25px}.tool-icon{width:39px;height:39px;flex:0 0 auto;background:#f0effe;border:1px solid #e8e5fc;color:var(--accent);border-radius:11px;display:grid;place-items:center;font:600 21px ui-monospace,Consolas,monospace}.tool-heading h2{font-size:17px;letter-spacing:-.3px;margin:0 0 3px;line-height:1.4}.tool-heading p{font-size:12px;color:var(--muted);margin:0}.tool-number{margin-left:auto;align-self:flex-start;color:#c5cddc;font:12px ui-monospace,Consolas,monospace;padding-top:4px}.field-label{display:block;font-size:11px;color:#546279;font-weight:650;margin-bottom:8px}.code-input,.text-input{border:1px solid #dce3ed;border-radius:8px;background:#fafbfd;color:var(--ink);width:100%;min-width:0;outline-offset:2px;transition:border-color .15s,background .15s}.code-input:focus,.text-input:focus{border-color:#9a94e9;background:#fff}.code-input{display:block;padding:15px 16px;font:12px/1.8 ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;resize:vertical;tab-size:2}.code-input[aria-invalid="true"]{border-color:#b96d70}.text-input{padding:10px 12px;min-height:44px;font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:14px}.button{border:1px solid #dfe4ed;border-radius:7px;background:#fff;color:#44526a;min-height:39px;padding:8px 14px;font-size:11px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s}.button:hover{background:#f2f3fb;border-color:#b6b2e7}.button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.button.primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}.button.quiet{border-color:transparent;background:transparent;color:var(--accent)}.button.quiet:hover{background:#f3f1ff}.button:disabled{opacity:.45;cursor:default}.push-right{margin-left:auto}.tool-bottom{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-top:15px}.tool-status{font-size:11px;line-height:1.6;color:#647187;margin:15px 0 0;min-height:18px;overflow-wrap:anywhere}.tool-bottom .tool-status{margin:0}.tool-status[data-tone="success"]{color:#287b5e}.tool-status[data-tone="error"]{color:#ad394b}.shortcut{white-space:nowrap;color:#647187;font-size:10px}kbd{font:10px ui-monospace,Consolas,monospace;border:1px solid #e2e7ef;border-radius:4px;padding:2px 4px;background:#f9fafc}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}.input-pair{display:grid;grid-template-columns:minmax(0,1fr) 145px;gap:8px}.input-pair select{font-size:11px}.date-result{padding:15px 17px;background:#f7f9fc;border-radius:8px;margin:20px 0 0;display:grid;gap:10px}.date-result div{display:grid;gap:3px}.date-result dt{font-size:10px;color:#647187}.date-result dd{margin:0;font-size:12px;overflow-wrap:anywhere}.field-divider{height:1px;background:#edf0f5;margin:23px 0}.label-row{display:flex;justify-content:space-between;gap:8px}.field-hint{font-size:10px;color:#647187}.hash-input{min-height:139px}.result-label{margin-top:24px}.hash-output{background:#f7f9fc;color:#4841a0;font-size:11px;min-height:84px;word-break:break-all}.code-input::placeholder{color:#68758c;opacity:1}.privacy-note{margin-top:26px;padding:18px 22px;border:1px solid var(--line);border-radius:10px;color:#68768c;font-size:12px}.privacy-note summary{cursor:pointer;color:#4c5a72;font-weight:600;list-style-position:inside}.privacy-note p{max-width:830px;margin:12px 0 2px;line-height:1.8}.noscript-note{padding:18px;background:#fff5d8;color:#725420;border-radius:8px}.footer{padding-top:35px;padding-bottom:37px;display:flex;gap:22px;align-items:center;color:#68758c;font-size:11px}.footer-brand{font-weight:700;color:#65718a}.footer>a:last-child{margin-left:auto}.footer a:hover{color:var(--accent)}
@media(min-width:1300px){.hero{padding-top:76px;padding-bottom:68px}.json-card .code-input{min-height:224px}}
@media(max-width:850px){.shell{width:calc(100% - 40px)}.header-inner{gap:28px}.local-label{display:none}.header-inner nav{margin-left:auto}.hero{gap:28px;padding:43px 0}.hero-code{transform:none}.hero-code pre{font-size:9px;padding:18px 12px}.hero-description{font-size:13px}.hero-notes{gap:10px;font-size:10px}.tool-card{padding:22px}.tool-grid{gap:16px}.input-pair{grid-template-columns:minmax(0,1fr) 126px}.tool-heading h2{font-size:15px}.tool-heading p{font-size:11px}.tool-icon{width:34px;height:34px}.tool-heading{gap:10px}}
@media(max-width:650px){html{scroll-padding-top:20px}.shell{width:calc(100% - 28px)}.header-inner{min-height:72px;gap:12px}.brand{font-size:19px;gap:9px}.brand-mark{width:33px;height:33px;font-size:19px}.header-inner nav{gap:15px;font-size:11px}.hero{display:block;padding:37px 4px 32px}.hero-code{display:none}h1{font-size:38px;letter-spacing:-1.4px}.hero-description{font-size:14px;max-width:460px}.hero-notes{font-size:10px;gap:15px}.section-label{margin-bottom:14px;padding-inline:4px}.section-label>span{display:none}.tool-card{padding:20px 17px;border-radius:11px}.tool-heading{margin-bottom:20px}.tool-heading h2{font-size:16px}.tool-heading p{font-size:11px}.tool-grid{grid-template-columns:1fr;gap:18px;margin-top:18px}.json-card .code-input{min-height:230px}.code-input{font-size:11px;padding:12px}.button{padding:8px 11px;font-size:11px}.json-card .push-right{margin-left:0}.tool-bottom{align-items:flex-start;gap:12px}.shortcut{display:none}.input-pair{grid-template-columns:minmax(0,1fr) 135px}.privacy-note{padding:16px;font-size:11px}.footer{flex-wrap:wrap;gap:8px 18px;padding:27px 3px 30px}.footer>span{order:3;flex-basis:100%;font-size:10px}.footer>a:last-child{margin-left:auto}.tool-status{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}