:root{color-scheme:light;--bg: #f4f6f4;--surface: #ffffff;--surface-soft: #eef4f0;--text: #121a17;--muted: #5b675f;--line: #d4ded7;--line-strong: #aebeb5;--accent: #1f6b55;--accent-dark: #123f33;--accent-soft: #e3efe9;--accent-ink: #0f352b;--gold: #b88b2a;--paper: #fbfcfb;--shadow: 0 18px 44px rgba(24, 38, 31, .09);--shadow-soft: 0 8px 24px rgba(24, 38, 31, .06);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:var(--bg);color:var(--text)}body{margin:0;font-size:16px;line-height:1.78;text-rendering:optimizeLegibility}a{color:var(--accent);text-underline-offset:.18em}a:hover{color:var(--accent-dark)}:focus-visible{outline:3px solid #a7cdbd;outline-offset:3px}.site-header,.site-footer{background:#fffffff0;border-block:1px solid var(--line)}.footer-summary{display:grid;justify-items:start;gap:8px}.share-page-button{border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);color:var(--accent-dark);cursor:pointer;font:inherit;font-size:.88rem;font-weight:700;line-height:1.2;padding:8px 14px}.share-page-button:hover{border-color:var(--accent);background:var(--accent-soft)}.share-status{min-height:1.4em;color:var(--muted);font-size:.82rem}.site-header{position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.header-inner,.footer-inner,.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:12px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;text-decoration:none}.brand img{width:36px;height:36px}.site-nav{display:flex;flex-wrap:nowrap;gap:4px;font-size:.95rem}.site-nav a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:6px}.site-nav a:hover{background:var(--accent-soft);color:var(--accent)}main{padding-block:34px 64px}.footer-inner{display:grid;gap:10px;padding-block:24px;color:var(--muted);font-size:.92rem}.footer-links{display:flex;flex-wrap:wrap;gap:14px}.eyebrow{margin:0 0 8px;color:var(--accent);font-weight:700;font-size:.92rem;letter-spacing:0}h1,h2,h3{line-height:1.35;letter-spacing:0;overflow-wrap:anywhere}h1{margin:0 0 14px;font-size:clamp(2.1rem,1.55rem + 1.8vw,3.2rem);font-weight:850}h2{margin:46px 0 14px;font-size:clamp(1.35rem,1.1rem + .8vw,1.85rem);font-weight:820}h3{margin:24px 0 8px;font-size:1.12rem}p{margin:0 0 14px}.lead{max-width:680px;color:var(--muted);font-size:1.12rem}.feature-list,.plain-list{padding-left:1.25rem}.feature-list li,.plain-list li{margin-block:4px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-block:18px 16px}.tool-grid[data-count="1"]{grid-template-columns:minmax(0,520px)}.tool-card{position:relative;display:grid;grid-template-rows:auto auto 1fr auto;gap:8px;min-height:212px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow-soft);color:var(--text);text-decoration:none;overflow:hidden;overflow-wrap:anywhere;transition:border-color .14s ease,box-shadow .14s ease,transform .14s ease}.tool-card:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--accent),var(--gold))}.tool-card:hover{border-color:#9ec7b5;box-shadow:var(--shadow);color:var(--text);transform:translateY(-2px)}.tool-card strong{display:block;font-size:1.18rem;line-height:1.45}.tool-card span{color:var(--muted)}.tool-card .tool-card-kicker{color:var(--gold);font-size:.82rem;font-weight:850}.tool-card-action{align-self:end;color:var(--accent);font-size:.92rem;font-weight:800}.assurance-strip{margin-block:34px;padding-block:24px;border-block:1px solid var(--line)}.assurance-strip h2{margin-top:0}.assurance-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.assurance-grid p{margin:0;padding:16px;border:1px solid var(--line);border-radius:8px;background:#ffffffb8}.assurance-grid strong,.assurance-grid span{display:block}.assurance-grid strong{margin-bottom:4px;color:var(--accent-ink)}.assurance-grid span{color:var(--muted)}.breadcrumb{margin-bottom:26px;color:var(--muted);font-size:.92rem}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}.breadcrumb li:not(:last-child):after{content:"/";margin-left:6px;color:#89958f}.tool-panel{margin-block:28px 38px;padding:0;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);overflow:hidden}.tool-panel>h2{margin:0;padding:20px 22px 0}.tool-panel>.note{margin:0;padding:4px 22px 16px}.tool-panel>.tool-workspace,.tool-panel>.options,.tool-panel>.actions,.tool-panel>.stats,.tool-panel>.status{margin-inline:22px}.tool-panel>.status{margin-bottom:20px}.tool-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;padding-top:4px}.field{display:grid;gap:8px}label,legend{font-weight:700;line-height:1.4}textarea{width:100%;min-height:250px;resize:vertical;padding:13px 14px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;color:var(--text);font:inherit;line-height:1.6;box-shadow:inset 0 1px 2px #14201b0a}textarea[readonly]{background:#f7faf8}textarea:focus{border-color:var(--accent);outline:3px solid #c9dfd5;outline-offset:0}.options{display:flex;flex-wrap:wrap;gap:12px 18px;margin-block:18px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:#fbfdfb}.option{display:inline-flex;align-items:center;gap:7px;font-weight:500;overflow-wrap:anywhere}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-block:16px}button,.button-link{min-height:42px;padding:8px 15px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;color:var(--text);font:inherit;font-weight:700;cursor:pointer;text-decoration:none}button.primary,.primary-link{border-color:var(--accent);background:var(--accent);color:#fff}button:hover,.button-link:hover{border-color:var(--accent);color:var(--accent-dark)}button.primary:hover,.primary-link:hover{background:var(--accent-dark);color:#fff}button:disabled{border-color:var(--line);background:#edf1ee;color:#7b867f;cursor:not-allowed}.status{min-height:1.75em;margin:8px 0 0;color:var(--accent-dark);font-weight:700}.note{color:var(--muted);font-size:.95rem}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-block:16px}.stat{padding:13px;border:1px solid var(--line);border-radius:8px;background:#f7faf8}.stat span{display:block;color:var(--muted);font-size:.86rem}.stat strong{font-size:1.35rem}.list-cleaner-stats{grid-template-columns:repeat(4,minmax(0,1fr))}.example-box{padding:14px;overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#f7faf8;white-space:pre-wrap;overflow-wrap:anywhere}.calculator-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:20px 22px 16px}.calculator-heading h2{margin:0}.calculator-heading .note{margin:4px 0 0}.live-badge{flex:0 0 auto;padding:4px 8px;border:1px solid #b7cfc3;border-radius:4px;background:var(--accent-soft);color:var(--accent-dark);font-size:.78rem;font-weight:800}.calculator-shell{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);border-top:1px solid var(--line)}.calculator-controls{min-width:0;padding:0 22px 22px}.control-section{min-width:0;margin:0;padding:20px 0;border:0;border-bottom:1px solid var(--line)}.control-section legend{width:100%;margin-bottom:14px;padding:0;color:var(--accent-ink);font-size:1.04rem;font-weight:820}.control-section legend span{display:inline-grid;place-items:center;width:25px;height:25px;margin-right:6px;border:1px solid #a9c7b9;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);font-size:.82rem}.control-label{display:block;margin:14px 0 7px;color:var(--text);font-size:.9rem;font-weight:750}select{width:100%;min-height:46px;padding:9px 38px 9px 12px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;color:var(--text);font:inherit}select:focus{border-color:var(--accent);outline:3px solid #c9dfd5;outline-offset:0}.number-input-wrap{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;min-height:48px;padding-inline:12px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;box-shadow:inset 0 1px 2px #14201b0a}.number-input-wrap:focus-within{border-color:var(--accent);outline:3px solid #c9dfd5;outline-offset:0}.number-input-wrap>span{color:var(--muted);font-weight:700}.number-input-wrap input{min-width:0;width:100%;padding:9px 8px;border:0;outline:0;background:transparent;color:var(--text);font:inherit;font-size:1.08rem;font-weight:750}.segmented-control{display:grid;gap:3px;padding:3px;border:1px solid var(--line);border-radius:7px;background:#eef2ef}.segmented-two{grid-template-columns:repeat(2,minmax(0,1fr))}.segmented-three{grid-template-columns:repeat(3,minmax(0,1fr))}.segmented-control label{position:relative;min-width:0;cursor:pointer}.segmented-control input{position:absolute;width:1px;height:1px;opacity:0}.segmented-control label span{display:grid;place-items:center;min-height:40px;padding:6px 8px;border:1px solid transparent;border-radius:5px;color:var(--muted);font-size:.9rem;font-weight:750;line-height:1.3;text-align:center}.segmented-control input:checked+span{border-color:var(--line);background:#fff;box-shadow:0 2px 8px #18261f14;color:var(--accent-dark)}.segmented-control input:focus-visible+span{outline:3px solid #a7cdbd;outline-offset:1px}.conditional-field{margin-top:14px}.control-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.control-grid .control-label{margin-top:0}.field-hint{margin:10px 0 0;color:var(--muted);font-size:.86rem;line-height:1.55}.preset-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:9px}.preset-button{min-height:34px;padding:5px 10px;border-color:var(--line);background:#f8faf8;font-size:.84rem}.calculator-actions{margin:18px 0 0}.calculator-controls>.status{margin-bottom:0}.calculator-results{min-width:0;padding:28px 24px;border-left:1px solid var(--line);background:#f2f7f4}.result-eyebrow{margin-bottom:3px;color:var(--accent);font-size:.86rem;font-weight:800}.result-total{display:block;min-height:1.45em;color:var(--accent-dark);font-size:2.35rem;font-weight:880;line-height:1.3;overflow-wrap:anywhere}.result-summary{min-height:3.2em;margin:8px 0 22px;color:var(--muted);font-size:.9rem;line-height:1.6}.result-breakdown{margin:0;border-top:1px solid var(--line)}.result-breakdown div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:baseline;padding-block:12px;border-bottom:1px solid var(--line)}.result-breakdown dt{color:var(--muted);font-size:.88rem}.result-breakdown dd{margin:0;color:var(--text);font-weight:820;text-align:right}.calculation-path{display:grid;gap:3px;margin-top:20px;padding-left:12px;border-left:3px solid var(--gold)}.calculation-path span{color:var(--muted);font-size:.78rem}.calculation-path strong{color:var(--accent-ink);font-size:.9rem;line-height:1.5}.content-narrow{max-width:820px}.related-list{display:flex;flex-wrap:wrap;gap:10px;padding-left:0;list-style:none}.related-list a{display:inline-block;padding:8px 11px;border:1px solid var(--line);border-radius:6px;background:#fff;text-decoration:none}.guide-callout{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;margin-block:22px 10px;padding:18px 20px;border:1px solid var(--line-strong);border-left:4px solid var(--gold);border-radius:8px;background:#fbfcf8}.guide-callout div{display:grid;gap:4px}.guide-callout span{color:var(--muted);font-size:.92rem}.guide-callout a{font-weight:800;white-space:nowrap}.guide-header{max-width:900px}.guide-header .eyebrow{margin-bottom:8px}.guide-header .lead{max-width:780px}.guide-meta{color:var(--muted);font-size:.85rem}.guide-summary{max-width:900px;margin-block:28px 12px;padding:22px;border:1px solid var(--line-strong);border-radius:10px;background:var(--accent-soft)}.guide-summary h2{margin:0 0 12px}.guide-summary p:last-child{margin-bottom:0}.guide-tool-links{display:grid;gap:7px;margin-block:14px 18px;padding-left:1.5rem}.guide-tool-links a{font-weight:800}.guide-example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.guide-example-grid h3{margin-top:0}.table-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:8px}.guide-table{width:100%;min-width:660px;border-collapse:collapse;background:#fff}.guide-table th,.guide-table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.guide-table th{background:#edf4f0;color:var(--accent-ink)}.guide-table tbody tr:last-child td{border-bottom:0}.guide-end-cta{margin-top:44px;padding:22px;border:1px solid var(--line-strong);border-radius:10px;background:#fbfcf8}.guide-end-cta h2{margin-top:0}@media(max-width:880px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-workspace,.stats,.assurance-grid,.guide-callout,.guide-example-grid{grid-template-columns:1fr}.guide-callout a{white-space:normal}.list-cleaner-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.calculator-shell{grid-template-columns:1fr}.calculator-results{border-top:1px solid var(--line);border-left:0}}@media(max-width:640px){.header-inner{align-items:flex-start;flex-direction:column;gap:6px}.site-nav{width:100%;justify-content:space-between}.site-nav a{flex:1 1 auto;padding:6px 7px;text-align:center}main{padding-block:24px 42px}h1{font-size:1.95rem}.button-link,button{width:100%;text-align:center}.tool-grid{grid-template-columns:1fr}.tool-panel{margin-inline:0;border-inline:1px solid var(--line);border-radius:8px}.tool-panel>h2{padding-inline:16px}.tool-panel>.note{padding-inline:16px}.tool-panel>.tool-workspace,.tool-panel>.options,.tool-panel>.actions,.tool-panel>.stats,.tool-panel>.status{margin-inline:16px}.calculator-heading{gap:12px;padding:16px}.calculator-controls{padding-inline:16px}.calculator-results{padding:24px 16px}.control-grid{grid-template-columns:1fr}.preset-button{width:auto}.result-total{font-size:2rem}textarea{min-height:220px}.options{display:grid}.list-cleaner-stats{grid-template-columns:1fr}}.mobile-menu{display:none;position:relative}.mobile-menu summary{min-height:42px;padding:8px 11px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;color:var(--text);cursor:pointer;font-weight:750;list-style:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary span{margin-right:5px;color:var(--accent);font-size:1.15rem}.mobile-menu nav{position:absolute;top:calc(100% + 8px);right:0;display:grid;width:min(270px,calc(100vw - 32px));padding:6px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow)}.mobile-menu nav a{padding:10px 12px;border-radius:5px;color:var(--text);font-weight:700;text-decoration:none}.mobile-menu nav a:hover{background:var(--accent-soft);color:var(--accent-dark)}.utility-shell{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(330px,.95fr);border-top:1px solid var(--line)}.utility-controls{min-width:0;padding:22px}.compact-field textarea{min-height:132px}.label-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.field-counter,.preview-meta{color:var(--muted);font-size:.82rem;font-weight:650;white-space:nowrap}.color-control-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}.color-control{display:grid;gap:7px;color:var(--text);font-size:.9rem}.color-input-wrap{display:flex;align-items:center;gap:9px;min-height:46px;padding:6px 10px;border:1px solid var(--line-strong);border-radius:6px;background:#fff}.color-input-wrap input[type=color]{width:34px;height:30px;padding:0;border:0;background:transparent;cursor:pointer}.color-input-wrap code{color:var(--muted);font-size:.84rem}.utility-actions{margin-bottom:0}.qr-preview{min-width:0;padding:24px;border-left:1px solid var(--line);background:#f2f7f4}.preview-heading-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}.preview-heading-row strong{display:block;color:var(--accent-ink)}.qr-canvas-wrap{display:grid;place-items:center;width:100%;aspect-ratio:1;padding:16px;border:1px solid var(--line);background:linear-gradient(45deg,#e8ece9 25%,transparent 25%),linear-gradient(-45deg,#e8ece9 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e8ece9 75%),linear-gradient(-45deg,transparent 75%,#e8ece9 75%),#f8faf8;background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px}.qr-canvas-wrap canvas{display:block;width:100%;height:100%;image-rendering:pixelated;box-shadow:0 6px 20px #18261f1f}.diff-controls{display:flex;align-items:center;flex-wrap:wrap;gap:14px 20px;padding:16px 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f7faf8}.diff-controls .segmented-control{width:min(300px,100%)}.diff-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:20px 22px}.diff-inputs textarea{min-height:230px}.panel-actions{margin:0 22px 20px}.diff-result-section{padding:20px 22px;border-top:1px solid var(--line);background:#fbfcfb}.diff-result-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}.diff-result-heading h3{margin:0}.diff-legend{display:flex;gap:8px;font-size:.8rem;font-weight:750}.diff-legend span{padding:2px 7px;border:1px solid;border-radius:4px}.legend-added{border-color:#9bc8ad!important;background:#e2f3e7;color:#145633}.legend-removed{border-color:#dfaaa6!important;background:#fae7e5;color:#852c27}.diff-output{min-height:190px;max-height:480px;overflow:auto;border:1px solid var(--line-strong);border-radius:6px;background:#fff}.diff-output pre{margin:0;padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;font:.94rem/1.75 ui-monospace,SFMono-Regular,Consolas,monospace}.diff-added{background:#dff1e5;color:#124c2d;text-decoration:none}.diff-removed{background:#f8dfdc;color:#7a2622;text-decoration:line-through;text-decoration-thickness:1px}.empty-result{margin:0;padding:28px 16px;color:var(--muted);text-align:center}.diff-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:10px}.diff-stats p{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:0;padding:8px 10px;border-bottom:2px solid var(--line)}.diff-stats span{color:var(--muted);font-size:.82rem}.diff-stats strong{color:var(--accent-ink)}.panel-status{margin:0!important;padding:0 22px 20px}.converter-shell{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);border-top:1px solid var(--line)}.converter-controls{min-width:0;padding:22px}.converter-equation{display:grid;grid-template-columns:minmax(0,1fr) 44px minmax(0,1fr);gap:12px;align-items:center;margin-top:8px}.swap-button{align-self:center;width:44px;height:44px;min-height:44px;padding:0;border-radius:50%;color:var(--accent);font-size:1.35rem}.result-input-wrap{background:#f2f7f4}.result-input-wrap output{min-width:0;padding:9px 8px;overflow:hidden;color:var(--accent-dark);font-size:1.08rem;font-weight:800;line-height:1.55;text-overflow:ellipsis;white-space:nowrap}.conversion-summary{min-width:0;padding:28px 24px;border-left:1px solid var(--line);background:#f2f7f4}.conversion-large{display:block;min-height:2.5em;color:var(--accent-dark);font-size:clamp(1.65rem,1.2rem + 1vw,2.25rem);font-weight:870;line-height:1.25;overflow-wrap:anywhere}.conversion-note{display:grid;gap:3px;margin-top:20px;padding-left:12px;border-left:3px solid var(--gold)}.conversion-note span{color:var(--muted);font-size:.78rem}.conversion-note strong{color:var(--accent-ink)}.date-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:3px;padding:5px 22px 0;border-top:1px solid var(--line);background:#eef2ef}.date-tab{min-height:46px;border-color:transparent;border-bottom-color:var(--line);border-radius:5px 5px 0 0;background:transparent;color:var(--muted)}.date-tab.is-active{border-color:var(--line);border-bottom-color:#fff;background:#fff;color:var(--accent-dark)}.date-tab-panel{border-top:1px solid var(--line)}.date-form-grid{display:grid;grid-template-columns:minmax(0,1.1fr) 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span{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.72rem}.password-ambiguous{align-items:flex-start;margin-bottom:18px;font-size:.88rem}.password-generate{width:100%}.password-result-heading{margin-bottom:14px}.password-result-heading .result-eyebrow{margin:0}#strength-badge{padding:5px 9px;border-radius:5px;background:var(--accent-soft);color:var(--accent-dark);font-size:.78rem;font-weight:800}#strength-badge[data-level=medium]{background:#f6edcf;color:#6d5315}#strength-badge[data-level=low]{background:#f7e4e2;color:#8b3434}#password-output{min-height:138px;background:#fff;color:var(--accent-dark);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:1.15rem;font-weight:750;overflow-wrap:anywhere;word-break:break-all}.password-meta{margin-top:8px;color:var(--muted);font-size:.8rem}.password-actions{margin-bottom:8px}.password-result 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h1{margin-bottom:3px;font-size:1.82rem}.directory-heading p:last-child{font-size:.92rem;line-height:1.55}.tool-search{gap:4px}.tool-search label{font-size:.78rem}.tool-search input{min-height:44px;padding-block:8px}.tool-filter{margin-bottom:9px}.tool-filter-button{width:auto;min-height:38px;padding-inline:3px;font-size:.78rem}.tool-filter-button span{display:none}.launch-grid{gap:6px}.launch-item{min-height:62px;padding:9px 10px;box-shadow:none}.launch-item strong{font-size:.88rem}.launch-action{font-size:1rem}.tool-count{margin-top:7px;font-size:.76rem}}