@font-face{font-family:Inter;src:url(/assets/inter-latin-wght-normal.woff2)format("woff2");font-style:normal;font-weight:100 900;font-display:swap}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f7f7f2;--surface:#fff;--surface-soft:#f2f3f4;--ink:#202124;--muted:#636877;--line:#dedfe3;--accent:#2458c6;--accent-soft:#eaf0ff;--good:#246a46;--good-bg:#e7f5ee;--bad:#ad3524;--bad-bg:#fff0e9;--warning:#94601e;--warning-bg:#fcf4e4;--shadow:0 8px 28px #17243a0b;--radius:14px;--control-radius:8px;--shell:1184px;--tool-shell:1264px;--duration:.16s;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#151619;--surface:#212329;--surface-soft:#2b2e35;--ink:#f2f3f5;--muted:#bac0ce;--line:#3c404a;--accent:#9abeff;--accent-soft:#243557;--good:#a0dfb9;--good-bg:#193d2e;--bad:#ffb49f;--bad-bg:#4c2923;--warning:#edc17e;--warning-bg:#3f3221;--shadow:0 8px 28px #0000001a}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.55}button,input,select,textarea{font:inherit}button,input,select,textarea,a{touch-action:manipulation}button,a,input,select,textarea,summary{outline-offset:4px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent)}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}img,svg{max-width:100%}img{height:auto}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{letter-spacing:-.04em;font-weight:750;line-height:1.12}h1{margin-bottom:14px;font-size:clamp(36px,4.6vw,64px)}h2{margin-bottom:16px;font-size:28px}h3{margin-bottom:10px;font-size:20px}p{margin-bottom:16px}small,.small{font-size:13px}.muted{color:var(--muted)}strong{font-weight:700}code,kbd,pre,.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}code{background:var(--surface-soft);overflow-wrap:anywhere;border-radius:4px;padding:2px 5px;font-size:.9em}pre{border:1px solid var(--line);background:var(--surface-soft);border-radius:8px;padding:18px;font-size:13px;line-height:1.7;overflow:auto}pre code{background:0 0;padding:0}hr{border:0;border-top:1px solid var(--line);margin:24px 0}[hidden]{display:none!important}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{background:var(--surface);z-index:100;padding:12px;position:absolute;top:-80px;left:16px}.skip-link:focus{top:8px}.container{width:min(calc(100% - 48px),var(--shell));margin-inline:auto}.page{min-height:65vh;padding-block:42px 64px}.page.tool-page{max-width:var(--tool-shell)}.site-header{min-height:72px;max-width:var(--shell);align-items:center;gap:36px;width:calc(100% - 48px);margin:auto;display:flex}.brand{color:var(--ink);letter-spacing:-.05em;white-space:nowrap;align-items:center;gap:12px;font-size:22px;font-weight:780;line-height:1.2;display:inline-flex}.brand:hover{text-decoration:none}.brand img,.brand svg{flex-shrink:0;width:36px;height:36px}.nav-links{flex:1;align-items:center;gap:30px;display:flex}.nav-links a{color:var(--ink);border-bottom:3px solid #0000;padding:20px 0 16px;font-size:14px}.nav-links a[aria-current=page]{color:var(--accent);border-bottom-color:var(--accent)}.header-actions{align-items:center;gap:14px;margin-left:auto;display:flex}.theme-toggle,.menu-toggle,.icon-button{color:var(--ink);background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;min-width:44px;min-height:44px;display:inline-flex}.theme-toggle:hover,.menu-toggle:hover,.icon-button:hover{background:var(--surface-soft)}.site-header .menu-toggle{display:none}.button,button.button{border-radius:var(--control-radius);color:#fff;text-align:center;min-height:44px;transition:background-color var(--duration),border-color var(--duration),color var(--duration);background:#2458c6;border:1px solid #2458c6;justify-content:center;align-items:center;gap:8px;padding:11px 18px;font-weight:550;line-height:1.3;text-decoration:none;display:inline-flex}.button:hover{background:#1947ab;text-decoration:none}.button.secondary,.secondary{background:var(--surface);color:var(--ink);border:1px solid #b5bac8}.button.secondary:hover{background:var(--surface-soft)}.button.ghost,.ghost{color:var(--accent);background:0 0;border-color:#0000}.button.ghost:hover{background:var(--accent-soft)}.button.small{padding:9px 13px;font-size:13px}.button.danger{background:var(--bad-bg);border-color:var(--line);color:var(--bad)}.button-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-width:0;padding:22px}.card p:last-child{margin-bottom:0}.card-link{color:var(--ink);display:block}.card-link:hover{border-color:var(--accent);text-decoration:none}.eyebrow{letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:18px;font-size:11px;font-weight:650}.hero{grid-template-columns:1fr 1.04fr;align-items:center;gap:52px;margin:10px 0 28px;display:grid}.hero-copy h1{letter-spacing:-.055em;margin:0 0 24px;font-size:clamp(42px,4.9vw,70px);line-height:1.03}.hero-copy>p:not(.eyebrow):not(.small){color:var(--muted);max-width:500px;font-size:22px;line-height:1.45}.hero-copy .button-row{margin:28px 0 18px}.hero-copy .small{color:var(--muted)}.hero-preview{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.hero-preview h2{margin-bottom:2px;font-size:21px}.hero-preview .palette-strip{margin:16px 0}.hero-specimen,.palette-specimen{color:#10182b;background:#f7f3e8;border-radius:8px;min-height:178px;padding:28px}.hero-specimen h3{letter-spacing:-.04em;margin-bottom:7px;font-size:28px}.hero-specimen p{color:#515d79;margin-bottom:17px}.hero-specimen .button{color:#f7f3e8;background:#4265d6;border-color:#4265d6}.accent-dot{background:#e8b04b;border-radius:50%;width:20px;height:20px;margin-bottom:12px;display:block}.specimen-result{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;margin-top:13px;font-size:13px;display:flex}.specimen-result strong{color:var(--ink);font-size:23px}.badge{background:var(--accent-soft);color:var(--accent);border-radius:7px;padding:3px 10px;font-size:12px;display:inline-block}.badge.pass,.pass-badge{background:var(--good-bg);color:var(--good)}.section-heading{justify-content:space-between;align-items:center;gap:20px;margin:28px 0 14px;display:flex}.section-heading h2{margin:0}.section-heading>a{font-size:14px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.tool-card{color:var(--ink);align-items:center;gap:18px;min-height:112px;padding:22px 16px;display:flex}.tool-card h3{letter-spacing:-.025em;margin-bottom:8px;font-size:16px;line-height:1.25}.tool-card p{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.tool-card .tool-icon,.tool-card>svg,.tool-card>img{flex-shrink:0;width:70px;height:70px}.tool-card .arrow{margin-left:auto}.palette-strip{grid-template-columns:repeat(var(--swatches,4),minmax(0,1fr));gap:8px;display:grid}.palette-swatch,.palette-strip>div{min-width:0}.palette-swatch .swatch,.palette-strip .color-block{border:1px solid #7f7f7f25;border-radius:6px;height:56px;display:block}.hero-preview .palette-swatch .swatch,.hero-preview .palette-strip .color-block{height:86px}.palette-strip code{text-align:center;white-space:nowrap;color:var(--muted);background:0 0;margin-top:7px;padding:0;font-size:11px;display:block}.palette-card{padding:18px}.palette-card h3{margin-bottom:4px;font-size:17px}.palette-card p{color:var(--muted);margin-bottom:14px;font-size:13px;line-height:1.5}.breadcrumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 20px;padding:0;font-size:13px;list-style:none;display:flex}.page-intro{max-width:820px;margin-bottom:30px}.page-intro>p,.lede{color:var(--muted);font-size:20px;line-height:1.5}.page-title-row{justify-content:space-between;align-items:center;gap:20px;display:flex}.site-footer{max-width:var(--shell);border-top:1px solid var(--line);width:calc(100% - 48px);color:var(--muted);justify-content:space-between;align-items:center;gap:24px;margin:0 auto;padding:24px 0 30px;font-size:13px;display:flex}.site-footer .brand{font-size:17px}.site-footer .brand img,.site-footer .brand svg{width:28px;height:28px}.site-footer nav{flex-wrap:wrap;gap:24px;display:flex}.site-footer nav a{color:var(--muted)}.footer-copy{max-width:440px}.notice,.callout{background:var(--accent-soft);border:1px solid var(--line);border-radius:8px;padding:16px 18px;font-size:14px}.notice.warning,.callout.warning{background:var(--warning-bg);color:var(--ink)}.table-scroll{border:1px solid var(--line);border-radius:8px;max-width:100%;overflow:auto}table{border-collapse:collapse;text-align:left;background:var(--surface);width:100%;font-size:14px}th,td{border-bottom:1px solid var(--line);vertical-align:top;padding:12px 16px}th{background:var(--surface-soft);color:var(--ink);font-weight:600}tr:last-child td,tr:last-child th{border-bottom:0}.data-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.data-item{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px}.data-item dt{color:var(--muted);margin-bottom:7px;font-size:12px}.data-item dd{margin:0;font-weight:650}.color-detail-swatch{border:1px solid var(--line);border-radius:var(--radius);min-height:170px;margin-bottom:24px}.pair-specimen{border-radius:var(--radius);margin:24px 0;padding:36px}.pair-specimen h2{font-size:36px}.content-block{margin-bottom:22px}.content-block h2{margin-top:32px}.content-block p,.content-block li{line-height:1.75}.content-block ul,.content-block ol{padding-left:23px}.content-block li+li{margin-top:7px}.article-layout{grid-template-columns:180px minmax(0,1fr) 280px;align-items:start;gap:24px;width:min(100% - 64px,1304px);margin:18px auto 64px;display:grid}.article-body{min-width:0}.article-body h1{letter-spacing:-.045em;font-size:clamp(36px,4vw,58px);line-height:1.08}.article-body>.lede{font-size:19px}.article-body h2{font-size:27px}.article-body h3{font-size:21px}.article-toc{font-size:13px;position:sticky;top:24px}.article-toc h2{letter-spacing:-.02em;margin-bottom:18px;font-size:16px}.article-toc ol,.article-toc ul{margin:0;padding:0;list-style:none}.article-toc a{color:var(--muted);border-left:3px solid #0000;padding:9px 10px;display:block}.article-toc a:hover{border-left-color:var(--accent);color:var(--accent);text-decoration:none}.article-related{gap:22px;display:grid;position:sticky;top:24px}.article-related .card{padding:18px}.article-related h2{font-size:19px}.article-related p{color:var(--muted);font-size:14px}.article-related .button{width:100%}.article-related .related-link{color:var(--ink);border-bottom:1px solid var(--line);padding:16px 0;font-size:14px;font-weight:650;display:block}.article-related .related-link:last-child{border:0}.article-related .palette-strip{gap:5px;margin-bottom:20px}.article-related .palette-strip code{font-size:9px}.article-related .palette-strip .swatch{height:48px}.article-specimen{margin:24px 0;padding:18px}.article-specimen h2{margin:0 0 18px}.role-specimen{border-top:1px solid var(--line);grid-template-columns:.8fr 1.2fr;gap:20px;margin-top:18px;padding-top:16px;display:grid}.role-list{margin:0;padding:0;font-size:13px;list-style:none}.role-list li{align-items:center;gap:9px;margin:6px 0;display:flex}.role-list .dot{border:1px solid #80808033;border-radius:50%;flex-shrink:0;width:19px;height:19px}.role-list code{margin-left:auto}.docs-layout{width:min(calc(100% - 48px),var(--shell));grid-template-columns:238px minmax(0,1fr) 202px;align-items:stretch;gap:14px;margin:12px auto 64px;display:grid}.docs-layout .article-body,.docs-nav,.docs-layout .article-toc{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:24px}.docs-layout .article-body h1{font-size:44px;line-height:1.05}.docs-layout .article-body .lede{font-size:17px}.docs-layout .article-body h2{margin-top:28px;font-size:24px}.docs-layout .article-body p,.docs-layout .article-body li{font-size:14px}.docs-layout .article-toc{padding:22px 16px;position:static}.docs-nav{min-width:0;padding:22px 12px;font-size:13px}.docs-nav h2{margin:0 7px 30px;font-size:17px}.docs-nav .nav-group-title{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:27px 8px 10px;font-size:10px;font-weight:650;display:block}.docs-nav ul{margin:0;padding:0;list-style:none}.docs-nav a{color:var(--muted);border-radius:6px;padding:10px 12px;display:block}.docs-nav a[aria-current=page]{color:var(--accent);background:var(--accent-soft)}.docs-nav a:hover{background:var(--surface-soft);text-decoration:none}.article-pagination{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;margin-top:30px;padding-top:20px;font-size:13px;display:flex}.source-list{color:var(--muted);margin-top:30px;font-size:12px}.hub-grid .card h2{font-size:23px}.hub-grid .card .eyebrow{font-size:10px}.mobile-toc{display:none}.workbench{min-width:0;margin:20px 0 40px}.workbench h2{letter-spacing:-.035em;font-size:23px}.workbench h3{font-size:18px}.workbench label{font-size:14px;font-weight:600;display:block}.workbench input:not([type=color]):not([type=file]):not([type=checkbox]),.workbench select,.workbench textarea{background:var(--surface);width:100%;color:var(--ink);border-radius:var(--control-radius);border:1px solid #b8bdc9;min-height:44px;padding:10px 12px;line-height:1.4}.workbench input[readonly],.workbench textarea[readonly]{background:var(--surface-soft)}.workbench input[aria-invalid=true],.workbench textarea[aria-invalid=true]{border-color:var(--bad)}.workbench input[type=color]{appearance:none;cursor:pointer;background:0 0;border:1px solid #9298a3;border-radius:8px;width:84px;height:84px;padding:0;overflow:hidden}.workbench input[type=color]::-webkit-color-swatch-wrapper{padding:0}.workbench input[type=color]::-webkit-color-swatch{border:0;border-radius:7px}.workbench textarea{resize:vertical;min-height:140px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px}.workbench .field-error{color:var(--bad);margin:7px 0 0;font-size:13px}.workbench .field-help{color:var(--muted);margin:6px 0 0;font-size:12px}.contrast-grid{grid-template-columns:minmax(320px,.76fr) minmax(0,1.2fr);align-items:stretch;gap:18px;display:grid}.color-inputs{flex-direction:column;gap:18px;display:flex}.color-inputs>h2{margin:0}.color-field>label{margin-bottom:9px}.color-field-inner{grid-template-columns:84px minmax(0,1fr);align-items:start;gap:18px;display:grid}.color-text-input{position:relative}.color-text-input input{letter-spacing:.015em;padding-right:47px!important;font-size:20px!important}.color-text-input .copy-color{min-width:40px;min-height:40px;font-size:19px;position:absolute;top:2px;right:2px}.color-rgb{color:var(--muted);margin:7px 0 0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px}.color-inputs .swap-button{width:100%;font-size:14px}.input-help{border-top:1px solid var(--line);color:var(--muted);margin:0;padding-top:12px;font-size:12px}.text-preview .panel-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;display:flex}.text-preview .panel-heading h2{margin:0}.text-preview .panel-heading a{font-size:12px}.preview-options{align-items:center;gap:26px;margin-bottom:16px;display:flex}.preview-options label{color:var(--muted);align-items:center;gap:14px;font-size:13px;font-weight:400;display:flex}.preview-options select{width:135px}.preview-canvas{color:#777;background:#fff;border:1px solid #8d929b40;border-radius:8px;min-height:274px;padding:30px}.preview-canvas .preview-label{color:inherit;opacity:1;margin:0 0 15px;font-size:12px}.preview-canvas .normal-preview{margin:0 0 35px;font-size:16px;line-height:1.5}.preview-canvas .large-preview{letter-spacing:-.04em;margin:0;font-size:32px;font-weight:700;line-height:1.15}.preview-category{color:var(--muted);margin:12px 0 0;font-size:12px}.contrast-result{grid-column:1/-1}.result-main{grid-template-columns:1.45fr repeat(4,1fr);align-items:stretch;gap:18px;display:grid}.ratio-summary{border-right:1px solid var(--line);padding-right:24px}.ratio-number{letter-spacing:-.055em;margin-bottom:5px;font-size:clamp(42px,4.9vw,70px);font-weight:760;line-height:1;display:block}.ratio-summary h2{margin:0 0 5px;font-size:22px}.ratio-summary p{color:var(--muted);margin:0;font-size:13px}.threshold{border:1px solid var(--line);border-radius:8px;padding:16px}.threshold h3{letter-spacing:-.025em;margin:0 0 4px;font-size:14px;line-height:1.35}.threshold .required{color:var(--muted);margin:0 0 10px;font-size:13px}.threshold .status{margin:0;font-size:18px;font-weight:700}.status.pass{color:var(--good)}.status.fail{color:var(--bad)}.status .status-icon{background:var(--good-bg);border-radius:50%;justify-content:center;align-items:center;width:25px;height:25px;margin-right:7px;font-size:20px;display:inline-flex}.status.fail .status-icon{background:var(--bad-bg)}.result-notes{color:var(--muted);border-top:1px solid var(--line);justify-content:space-between;align-items:start;gap:22px;margin:20px 0;padding-top:14px;font-size:11px;display:flex}.result-notes>p{margin:0}.calculation-details{color:var(--muted);margin:12px 0 18px;font-size:12px}.calculation-details summary{color:var(--accent);cursor:pointer}.calculation-details p{overflow-wrap:anywhere;margin:12px 0}.result-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.result-actions .open-builder{margin-left:auto;font-size:13px}.result-links{border-top:1px solid var(--line);flex-wrap:wrap;gap:32px;margin-top:17px;padding-top:14px;font-size:12px;display:flex}.sample-controls{align-items:end;gap:10px;margin:20px 0;display:flex}.sample-controls label{flex:1;min-width:230px;max-width:390px}.sample-controls select{margin-top:5px}.tool-status{background:var(--accent-soft);overflow-wrap:anywhere;border-radius:8px;margin:16px 0;padding:12px 16px;font-size:13px}.tool-status[data-error=true]{background:var(--warning-bg)}.output-panel{margin:20px 0}.output-panel label{margin:0 0 8px}.output-panel textarea{min-height:112px}.converter-layout{grid-template-columns:minmax(280px,.6fr) minmax(0,1fr);gap:22px;display:grid}.converter-layout .converter-preview{border:1px solid #80808055;border-radius:8px;height:180px;margin-bottom:16px}.converter-output{gap:12px;display:grid}.converter-output label{color:var(--muted);font-size:12px}.converter-output .format-row{align-items:center;gap:6px;display:flex}.converter-output .format-row input{min-width:0}.comparison-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.comparison-card{border:1px solid var(--line);border-radius:8px;padding:20px}.comparison-card h3{font-size:17px}.comparison-card strong{letter-spacing:-.04em;font-size:31px}.comparison-card .mini-status{border-top:1px solid var(--line);grid-template-columns:1fr auto;gap:7px;margin-top:14px;padding-top:12px;font-size:12px;display:grid}.relationship-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.relationship-swatch{border:1px solid #80808055;border-radius:8px;min-height:90px;margin-bottom:8px}.relationship-grid h3{letter-spacing:0;font-size:13px}.steps-strip{grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;display:grid}.steps-strip .step-swatch{border:1px solid #80808055;border-radius:7px;height:80px}.steps-strip code{text-align:center;background:0 0;padding:6px 0;font-size:11px;display:block}.palette-workspace{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:22px;display:grid}.palette-editor>label{margin-bottom:7px}.palette-editor .editor-heading{justify-content:space-between;align-items:center;margin:20px 0 12px;display:flex}.palette-editor .editor-heading h2{margin:0}.palette-editor .editor-heading p{color:var(--muted);margin:0;font-size:12px}.swatch-list{gap:12px;display:grid}.swatch-row{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:12px}.swatch-row.is-locked{background:var(--surface-soft)}.swatch-top{grid-template-columns:48px minmax(0,1fr) auto;align-items:end;gap:10px;display:grid}.swatch-top input[type=color]{width:48px;height:44px}.swatch-top input[type=text]{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px!important}.swatch-top .button{padding:9px 12px;font-size:12px}.swatch-meta{grid-template-columns:1fr 1fr;gap:10px;margin-top:10px;display:grid}.swatch-meta label{color:var(--muted);font-size:11px}.swatch-meta input{margin-top:3px;min-height:38px!important;font-size:12px!important}.swatch-actions{flex-wrap:wrap;gap:7px;margin-top:10px;display:flex}.swatch-actions .button{min-height:44px;padding:8px 10px;font-size:11px}.swatch-actions .remove-swatch{margin-left:auto}.palette-editor>.button-row{margin-top:14px}.palette-preview-panel .palette-strip{margin-bottom:20px}.palette-preview-panel .palette-strip .color-block{height:90px}.palette-specimen h3{font-size:28px}.palette-specimen p{font-size:15px;line-height:1.65}.palette-workspace .selected-pair{margin-top:22px}.selected-pair h3{margin-bottom:7px}.selected-pair code{background:0 0;padding:0}.selected-thresholds{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0;display:grid}.selected-thresholds .threshold{padding:12px}.selected-thresholds .threshold .status{font-size:15px}.matrix-section{margin-top:24px}.matrix-section>.table-scroll{max-height:600px}.matrix-table{table-layout:fixed;min-width:550px;font-size:11px}.matrix-table th{z-index:1;background:var(--surface-soft);text-align:center;padding:10px 8px;position:sticky;top:0}.matrix-table th:first-child{z-index:2;width:125px;left:0}.matrix-table tbody th{z-index:1;position:sticky;left:0}.matrix-table td{vertical-align:middle;text-align:center;padding:5px}.matrix-table th code{background:0 0;padding:0;font-size:10px;display:block}.matrix-table .matrix-chip{border:1px solid #80808055;border-radius:4px;width:30px;height:16px;margin:0 auto 5px;display:block}.matrix-cell{font-variant-numeric:tabular-nums;white-space:nowrap;border:1px solid #0000;border-radius:5px;width:100%;min-height:44px;padding:8px 3px;font-size:12px;font-weight:650;display:block}.matrix-cell[aria-pressed=true]{outline:3px solid var(--accent);outline-offset:0}.matrix-cell:hover{border-color:currentColor}.export-import-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:24px;display:grid}.export-panel p,.import-panel p,.storage-panel>p{color:var(--muted);font-size:13px}.export-panel .button-row{margin-top:20px}.import-panel label{margin-bottom:6px}.import-panel input[type=file]{width:100%;margin:8px 0 18px;font-size:12px}.import-panel textarea{margin-bottom:14px}.storage-panel{margin-top:24px}.storage-panel .button-row{margin:18px 0}.saved-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.saved-row{border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:13px 0;display:grid}.saved-row strong{overflow-wrap:anywhere;font-size:14px}.saved-row small{color:var(--muted);margin-top:3px;display:block}.saved-row .button-row{gap:7px;margin:0}.saved-row .button{padding:9px 12px;font-size:12px}.workbench dialog{border:1px solid var(--line);background:var(--surface);max-width:min(480px,100% - 32px);color:var(--ink);border-radius:14px;padding:24px;box-shadow:0 20px 100px #0004}.workbench dialog::backdrop{background:#0007}.workbench dialog p{font-size:15px}.workbench dialog .button-row{justify-content:flex-end;margin-top:22px}.workbench dialog input{margin-top:16px}@media (min-width:1500px){.hero{margin-top:24px}.hero-copy h1{font-size:70px}}@media (max-width:1100px){.nav-links{gap:20px}.site-header{gap:25px}.hero{gap:30px}.hero-copy h1{font-size:55px}.hero-copy>p:not(.eyebrow):not(.small){font-size:19px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:150px minmax(0,1fr) 235px;gap:20px;width:calc(100% - 40px)}.article-body h1{font-size:44px}.docs-layout{grid-template-columns:210px minmax(0,1fr) 160px}.docs-layout .article-body{padding:20px}.docs-layout .article-body h1{font-size:36px}.docs-layout .article-toc{padding:18px 10px}.result-main{gap:12px}.threshold{padding:12px}.ratio-summary{padding-right:16px}.ratio-number{font-size:52px}.threshold h3{font-size:12px}.threshold .required{font-size:11px}.threshold .status{font-size:16px}.contrast-grid{grid-template-columns:minmax(290px,.8fr) minmax(0,1.2fr)}.preview-options{gap:14px}.preview-options label{display:block}.preview-options select{margin-top:5px}.preview-canvas{padding:24px}.role-specimen{grid-template-columns:1fr}}@media (max-width:900px){.site-header{gap:14px;min-height:70px;position:relative}.site-header .menu-toggle{display:inline-flex}.site-header .nav-links{background:var(--surface);border:1px solid var(--line);z-index:30;box-shadow:var(--shadow);border-radius:10px;padding:15px;display:none;position:absolute;top:70px;left:0;right:0}.site-header .nav-links.is-open,.site-header .nav-links[data-open=true]{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 18px;display:grid}.nav-links a{padding:10px}.header-actions{gap:4px}.header-actions>.button{display:none}.hero{gap:24px}.hero-copy h1{font-size:43px}.hero-copy .button-row{flex-direction:column;align-items:stretch}.hero-preview{padding:16px}.hero-specimen{padding:20px}.hero-specimen h3{font-size:24px}.specimen-result{flex-wrap:wrap}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 235px}.article-layout>.article-toc{display:none}.article-body h1{font-size:46px}.docs-layout{grid-template-columns:210px minmax(0,1fr)}.docs-layout>.article-toc{display:none}.mobile-toc{border:1px solid var(--line);background:var(--surface);border-radius:8px;margin:18px 0;padding:14px 16px;display:block}.mobile-toc summary{cursor:pointer;font-size:14px;font-weight:600}.mobile-toc ul{margin-bottom:0;padding-left:20px}.mobile-toc li{padding:5px 0;font-size:13px}.page-intro>p,.lede{font-size:18px}.palette-workspace{grid-template-columns:1fr 1fr;gap:16px}.palette-workspace .card{padding:16px}.swatch-meta{grid-template-columns:1fr}.swatch-top{grid-template-columns:44px minmax(0,1fr)}.swatch-top>.button{grid-column:1/-1}.result-main{grid-template-columns:repeat(4,minmax(0,1fr))}.ratio-summary{border-right:0;border-bottom:1px solid var(--line);grid-column:1/-1;padding:0 0 18px}.ratio-number{font-size:62px}.result-notes{flex-direction:column;gap:8px}.comparison-grid{grid-template-columns:1fr}.converter-layout{grid-template-columns:minmax(260px,.7fr) minmax(0,1fr)}}@media (max-width:680px){body{font-size:14px}.container{width:calc(100% - 32px)}.site-header{width:calc(100% - 32px);min-height:72px}.brand{gap:10px;font-size:21px}.brand svg,.brand img{width:32px;height:32px}.page{padding-top:25px;padding-bottom:40px}h1{letter-spacing:-.045em;font-size:38px}h2{font-size:25px}.hero{grid-template-columns:1fr;gap:24px;margin-top:8px}.hero-copy h1{max-width:530px;font-size:48px}.hero-copy>p:not(.eyebrow):not(.small){font-size:19px}.hero-copy .button-row{flex-direction:row;margin-top:24px}.hero-copy .button-row .button{flex:1;padding:13px 12px;font-size:14px}.hero-preview{padding:16px}.hero-preview .palette-strip .color-block{height:70px}.hero-specimen{padding:24px}.hero-specimen h3{font-size:27px}.hero-copy .eyebrow{margin-bottom:15px;font-size:9px}.grid-2,.grid-3{grid-template-columns:1fr}.grid-4{gap:12px}.tool-card{padding:16px;display:block}.tool-card .tool-icon,.tool-card>svg,.tool-card>img{width:52px;height:52px;margin-bottom:13px}.tool-card h3{font-size:15px}.tool-card p{font-size:12px}.tool-card .arrow{display:none}.section-heading{align-items:start;gap:12px;margin-top:27px}.section-heading h2{font-size:24px}.section-heading>a{text-align:right;max-width:120px;font-size:12px}.palette-card{padding:18px}.palette-card .palette-strip .color-block{height:66px}.site-footer{flex-direction:column;align-items:start;gap:20px;width:calc(100% - 32px)}.site-footer nav{gap:18px}.page-intro{margin-bottom:20px}.page-intro>p,.lede{font-size:18px}.page-title-row{align-items:start}.page-title-row>.button{display:none}.breadcrumbs{margin-bottom:18px;font-size:12px}.data-grid{grid-template-columns:1fr}.article-layout{width:calc(100% - 32px);margin-top:20px;display:block}.article-body h1{font-size:40px}.article-body>.lede{font-size:18px}.article-body h2{font-size:26px}.article-related{grid-template-columns:1fr;margin-top:32px;position:static}.article-related .palette-strip .swatch{height:60px}.article-specimen{padding:16px}.role-specimen{grid-template-columns:1fr}.docs-layout{flex-direction:column;gap:16px;width:calc(100% - 32px);margin-top:12px;display:flex}.docs-nav{min-height:0;padding:16px}.docs-nav h2{margin:0 0 15px}.docs-nav .nav-group-title{margin:16px 8px 8px}.docs-layout .article-body{padding:20px 16px}.docs-layout .article-body h1{font-size:35px}.docs-layout .article-toc{display:none}.article-pagination{align-items:start}.article-pagination a{max-width:46%}th,td{padding:10px 12px}.table-scroll table{min-width:400px}.workbench{margin-top:16px}.workbench .card{padding:18px}.contrast-grid{flex-direction:column;gap:16px;display:flex}.color-inputs{display:contents}.color-inputs>h2{display:none}.color-field{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px}.color-field>label{letter-spacing:-.025em;margin-bottom:12px;font-size:18px}.color-field-inner{grid-template-columns:58px minmax(0,1fr);gap:14px}.workbench input[type=color]{width:58px;height:58px}.color-text-input input{min-height:45px;font-size:18px!important}.color-rgb{margin-top:8px;font-size:12px}.color-inputs .swap-button{order:2;justify-content:space-between;min-height:48px;padding-inline:20px}.color-field.foreground-field{order:1}.color-field.background-field{order:3}.color-inputs .input-help{border:0;order:4;padding:0 3px;font-size:11px}.contrast-result{order:5}.text-preview{order:6}.result-main{display:block}.ratio-summary{border:0;padding:0 0 15px}.ratio-number{font-size:59px;line-height:1.05}.ratio-summary h2{color:var(--muted);letter-spacing:-.02em;margin:2px 0 12px;font-size:18px;font-weight:450}.ratio-summary p{background:var(--warning-bg);color:var(--ink);border-radius:7px;padding:10px 12px;font-size:13px}.ratio-summary p[data-pass=true]{background:var(--good-bg)}.threshold{border:0;border-top:1px solid var(--line);border-radius:0;grid-template-columns:1.5fr .8fr .65fr;align-items:center;gap:8px;padding:13px 0;display:grid}.threshold h3{margin:0;font-size:12px}.threshold .required{color:var(--ink);margin:0;font-size:12px}.threshold .status{text-align:right;white-space:nowrap;font-size:14px}.threshold .status-icon{width:auto;height:auto;margin-right:3px;font-size:17px;background:0 0!important}.result-notes{margin-top:0;margin-bottom:12px;padding-top:14px;font-size:11px}.result-notes .scope-note,.result-notes .large-note{display:none}.result-actions{grid-template-columns:1fr 1fr;gap:9px;display:grid}.result-actions .button{padding:11px 9px;font-size:12px}.result-actions .open-builder{text-align:center;grid-column:1/-1;margin:7px 0;font-size:12px}.result-links{margin-top:8px;padding-top:12px;font-size:11px;display:block}.result-links a{margin:8px 0;display:block}.text-preview .panel-heading{margin-bottom:17px}.text-preview .panel-heading h2{font-size:21px}.preview-options{grid-template-columns:1fr 1fr;gap:12px;display:grid}.preview-options label{font-size:12px}.preview-options select{width:100%;font-size:13px}.preview-canvas{min-height:230px;padding:18px}.preview-canvas .normal-preview{margin-bottom:26px}.preview-canvas .large-preview{font-size:29px}.preview-canvas .preview-label{margin-bottom:10px;font-size:11px}.preview-category{font-size:11px}.sample-controls{grid-template-columns:1fr auto;align-items:end;gap:9px;display:grid}.sample-controls label{min-width:0}.sample-controls select{font-size:12px}.sample-controls .button{padding:11px;font-size:12px}.converter-layout,.palette-workspace,.export-import-grid{grid-template-columns:1fr}.converter-layout{gap:18px}.converter-layout .converter-preview{height:155px}.comparison-grid{grid-template-columns:1fr 1fr;gap:10px}.comparison-card{padding:13px}.comparison-card strong{font-size:27px}.comparison-card .mini-status{font-size:11px;display:block}.comparison-card .mini-status span{margin:4px 0;display:block}.relationship-grid{gap:10px}.relationship-grid h3{font-size:11px;line-height:1.5}.relationship-swatch{min-height:75px}.relationship-grid code{font-size:10px}.steps-strip{gap:6px}.steps-strip .step-swatch{height:65px}.steps-strip code{font-size:9px}.swatch-top{grid-template-columns:44px minmax(0,1fr) auto}.swatch-top>.button{grid-column:auto}.workbench .swatch-top input[type=color]{width:44px;height:44px}.swatch-meta{grid-template-columns:1fr 1fr}.swatch-actions{gap:5px}.swatch-actions .button{padding:8px;font-size:10px}.selected-thresholds{display:block}.selected-thresholds .threshold{padding:12px 0}.matrix-section>.table-scroll table{min-width:550px}.matrix-table th:first-child{width:105px}.matrix-section .card{padding:16px}.export-panel .button-row>.button{flex:1;padding:10px;font-size:12px}.saved-row{grid-template-columns:1fr;gap:8px}.saved-row .button-row{justify-content:start}.saved-row .button{flex:1;font-size:12px}.storage-panel>.button-row{grid-template-columns:1fr 1fr;display:grid}.storage-panel>.button-row .button{padding:11px 7px;font-size:11px}.palette-preview-panel .palette-strip .color-block{height:60px}.tool-status{font-size:12px}.source-list{overflow-wrap:anywhere}}@media (max-width:360px){.hero-copy h1{font-size:40px}.brand{font-size:19px}.brand img,.brand svg{width:28px;height:28px}.header-actions{gap:0}.theme-toggle,.menu-toggle{min-width:40px}.container,.site-header,.site-footer,.article-layout,.docs-layout{width:calc(100% - 24px)}.workbench .card,.color-field{padding:14px}.color-field-inner{grid-template-columns:50px minmax(0,1fr);gap:10px}.workbench input[type=color]{width:50px;height:50px}.color-text-input input{font-size:16px!important}.color-rgb{font-size:10px}.threshold h3,.threshold .required{font-size:11px}.threshold .status{font-size:12px}.threshold{gap:5px}.comparison-grid,.swatch-meta{grid-template-columns:1fr}.swatch-top{grid-template-columns:44px minmax(0,1fr)}.swatch-top>.button{grid-column:1/-1}.steps-strip code{font-size:8px}.article-body h1{font-size:35px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}@media print{.site-header,.site-footer,.article-toc,.article-related,.docs-nav,.workbench .button-row,.tool-status{display:none!important}body{color:#000;background:#fff}.container,.article-layout,.docs-layout{width:100%;display:block}.article-body,.card{break-inside:avoid;border:1px solid #ddd}.page{padding:0}a{color:#000;text-decoration:underline}}.swatch-item{min-width:0}.swatch-item .swatch{border:1px solid #7f7f7f25;border-radius:6px;height:56px;display:block}.hero-preview .swatch-item .swatch{height:86px}.entry-card{position:relative}.entry-card h2{font-size:23px}.entry-card h3{font-size:18px}.card-arrow{color:var(--accent);margin-top:12px;display:inline-block}.color-banner{border:1px solid var(--line);border-radius:8px;height:150px;margin-bottom:18px}.text-link{color:var(--accent);text-decoration:none}.matrix-cell{background:var(--warning-bg);color:var(--ink)}.matrix-cell[data-aa-normal=true]{background:var(--good-bg)}.workbench[data-invalid=true] .converter-output,.workbench[data-invalid=true] #black-white-comparison,.workbench[data-invalid=true] #color-relationships,.workbench[data-invalid=true] #color-tints,.workbench[data-invalid=true] #color-shades{visibility:hidden}.compact .swatch-item .swatch{height:48px}@media (max-width:680px){.hero-preview .swatch-item .swatch{height:70px}.swatch-item .swatch{height:60px}}.hero-actions{gap:16px;margin:28px 0 18px;display:flex}.hero-actions .button{min-height:50px;padding-inline:24px}.hero-copy .hero-footnote{margin-bottom:0;color:var(--muted)!important;font-size:13px!important;line-height:1.5!important}.hero-preview>.section-heading{align-items:start;margin:0 0 15px}.hero-preview>.section-heading p{color:var(--muted);margin:3px 0 0;font-size:12px}.icon-link{width:32px;height:32px;color:var(--muted);justify-content:center;align-items:center;display:inline-flex}.ui-specimen{border-radius:8px;min-height:178px;padding:25px 28px}.ui-specimen h3{letter-spacing:-.04em;margin-bottom:7px;font-size:28px;line-height:1.15}.ui-specimen p{color:#515d79;margin-bottom:18px;font-size:14px;line-height:1.5}.ui-specimen .accent-dot{width:19px;height:19px;margin-bottom:12px}.ratio-footer{color:var(--muted);justify-content:space-between;align-items:center;gap:12px;margin-top:13px;font-size:12px;display:flex}.ratio-footer strong{letter-spacing:-.04em;color:var(--ink);margin-left:auto;font-size:24px}.home-section>h2{margin-bottom:16px}.home-section .section-heading{margin:0 0 14px}.home-section .entry-card p{color:var(--muted);font-size:13px;line-height:1.5}.home-section .entry-card h3{margin-bottom:5px;font-size:17px}.home-section .entry-card{padding:18px}.home-section .tool-card{padding:20px 15px}.home-section .tool-card h3{letter-spacing:-.03em;font-size:15px}.home-section .tool-card p{font-size:12px}.home-section .tool-card .card-arrow{margin:0}.learn-section .card{color:var(--ink)}.learn-section .card .eyebrow{color:var(--muted)}.learn-section .card p{color:var(--muted);font-size:14px}.page-heading{margin-bottom:28px}.page-heading>p{color:var(--muted);max-width:850px;font-size:21px;line-height:1.5}.tool-page>.container{max-width:var(--tool-shell)}.tool-page .page-heading,.tool-page .breadcrumbs{padding-inline:20px}.site-page .reference-body{max-width:800px;margin-inline:0}.site-page .page-heading{max-width:850px}.entry-card .color-banner{height:105px}.entry-card .card-arrow{font-size:18px}.article-intro{color:var(--muted);margin-bottom:17px;font-size:19px;line-height:1.5}.example-label{background:var(--accent-soft);color:var(--accent);border-radius:20px;margin-bottom:20px;padding:4px 14px;font-size:12px;line-height:1.5;display:inline-block}.article-toc summary{letter-spacing:-.02em;cursor:pointer;margin:0 0 16px;font-size:15px;font-weight:700;list-style:none}.article-toc summary::-webkit-details-marker{display:none}.article-related .try-example .text-link{border-top:1px solid var(--line);margin-top:18px;padding-top:17px;font-size:13px;display:block}.related-card{border-bottom:1px solid var(--line);color:var(--ink);padding:17px 0;font-size:13px;line-height:1.5;display:block}.related-card:last-child{border-bottom:0}.related-card strong{margin-bottom:6px;line-height:1.35;display:block}.related-card span{color:var(--muted);display:block}.docs-nav summary{letter-spacing:-.03em;cursor:pointer;font-size:17px;font-weight:700;list-style:none}.docs-nav summary::-webkit-details-marker{display:none}.docs-nav h3{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:30px 10px 8px;font-size:10px;font-weight:600}.docs-nav a{padding:10px 12px;font-size:13px}.docs-layout .article-intro{font-size:16px}.article-tool-cta{margin:0 0 12px}.source-note{border-top:1px solid var(--line);color:var(--muted);margin-top:28px;padding-top:20px;font-size:12px}.source-note h2{margin-top:0!important;font-size:17px!important}.source-note ul{padding-left:18px}.source-note a{overflow-wrap:anywhere}.related-inline{margin-top:28px}.matrix-evidence img{border:1px solid var(--line);border-radius:8px;display:block}.article-layout.page{padding-top:18px}.docs-layout.page{padding-top:0}.site-footer>div>p{margin:10px 0 3px;font-size:12px}.site-footer>div>small{max-width:400px;font-size:10px;display:block}.site-footer nav{justify-content:flex-end;gap:14px 20px;max-width:440px;font-size:12px}@media (max-width:1100px){.ui-specimen{padding:22px}.ui-specimen h3{font-size:25px}.hero-actions{gap:10px}.hero-actions .button{padding-inline:16px;font-size:14px}.color-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:900px){.hero-actions{flex-direction:column}.color-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout>.article-toc{background:var(--surface);border:1px solid var(--line);border-radius:8px;grid-column:1/-1;padding:15px 18px;display:block;position:static}.article-layout>.article-toc summary{margin:0}.article-layout>.article-toc details[open] summary{margin-bottom:13px}.article-layout>.article-toc a{padding-block:6px;font-size:13px}.docs-layout>.article-toc{grid-column:1/-1;display:block}.docs-layout>.article-toc summary{margin:0}.docs-layout>.article-toc details[open] summary{margin-bottom:13px}.article-related .try-example .palette-strip{gap:4px}}@media (max-width:680px){.home-page{padding-top:20px}.hero-actions{flex-direction:row;gap:12px;margin-top:22px}.hero-actions .button{flex:1;min-height:46px;padding-inline:10px;font-size:13px}.home-section .tool-card{padding:15px}.home-section .tool-card h3{font-size:15px}.home-section .tool-card .card-arrow{display:none}.hero-preview>.section-heading{margin-bottom:12px}.ui-specimen{padding:22px}.ui-specimen h3{font-size:25px}.ratio-footer{gap:9px;font-size:11px}.ratio-footer strong{font-size:22px}.ratio-footer .badge{padding:3px 7px;font-size:10px}.page-heading>p{font-size:18px}.tool-page .page-heading,.tool-page .breadcrumbs{padding-inline:0}.color-grid{gap:12px}.color-grid .entry-card{padding:13px}.entry-card .color-banner{height:90px}.color-grid .entry-card h3{font-size:17px}.color-grid .entry-card p{font-size:12px}.article-layout>.article-toc{margin-bottom:20px}.article-intro{font-size:18px}.docs-layout .article-intro{font-size:16px}.docs-layout>.article-toc{order:1}.docs-layout>.article-body{order:2}.docs-nav{order:0}.docs-nav summary{font-size:15px}.docs-nav h3{margin-top:18px}.docs-layout .article-body h1{font-size:34px}.adjacent-docs a{max-width:48%}.site-footer nav{justify-content:flex-start}.source-note{font-size:11px}}figure.role-specimen{border:1px solid var(--line);border-radius:var(--radius);margin:4px 0 26px;padding:18px;display:block}.role-specimen figcaption h2{margin:0 0 18px;font-size:27px}.role-specimen-bottom dl{margin:0;font-size:12px}.role-specimen-bottom dl>div{justify-content:space-between;align-items:center;gap:10px;padding:6px 0;display:flex}.role-specimen-bottom dt{align-items:center;gap:9px;display:flex}.role-specimen-bottom dd{margin:0}.role-specimen-bottom code{color:var(--muted);background:0 0;padding:0;font-size:11px}.role-dot{border:1px solid #80808033;border-radius:50%;flex-shrink:0;width:20px;height:20px;display:inline-block}.role-specimen-bottom .ui-specimen{padding:20px}.role-specimen-bottom .ui-specimen h3{font-size:22px}.role-specimen-bottom .ui-specimen p{font-size:13px}.role-specimen .swatch{height:68px}.home-section .entry-card:not(.tool-card)>.card-arrow{display:none}.article-body .content-block>h2{margin-top:29px}.article-body .content-block>p{margin-bottom:0}.article-body .content-block{margin-bottom:15px}@media (max-width:1100px){.role-specimen-bottom{grid-template-columns:1fr}.role-specimen-bottom dl{grid-template-columns:1fr 1fr;gap:4px 18px;display:grid}.role-specimen-bottom .ui-specimen{padding:23px}.role-specimen figcaption h2{font-size:24px}}@media (max-width:680px){figure.role-specimen{padding:15px}.role-specimen-bottom dl{display:block}.role-specimen .swatch{height:56px}.role-specimen .palette-strip code{font-size:9px}.hero-preview .palette-strip code{font-size:10px}.docs-nav details[open]>summary,.article-toc details[open]>summary{padding-bottom:4px}.docs-nav summary:after,.article-toc summary:after{content:"⌄";float:right;font-weight:400}}:root{--border:var(--line)}.page-heading{max-width:860px;margin-bottom:28px}.page-heading h1{letter-spacing:-.045em;margin:12px 0 14px;font-size:clamp(32px,4.4vw,52px);line-height:1.08}.page-heading>p{max-width:760px;color:var(--muted);font-size:18px;line-height:1.55}.home-section{margin-top:32px}.home-section>h2,.section-heading>h2{letter-spacing:-.035em;font-size:28px;line-height:1.2}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.learn-section .card{text-decoration:none;display:block}.learn-section h3{margin:8px 0;font-size:23px;line-height:1.25}.learn-section .card p{color:var(--muted)}.hero-actions{flex-wrap:wrap;gap:16px;margin-top:30px;display:flex}.hero-footnote{color:var(--muted);margin-top:20px;font-size:14px}.ui-specimen{border-radius:9px;padding:26px;position:relative}.ui-specimen h3{letter-spacing:-.04em;margin:8px 0;font-size:29px;line-height:1.12}.ui-specimen p{color:#515d79;margin:0 0 20px;line-height:1.45}.accent-dot{border-radius:50%;width:18px;height:18px;display:block}.ratio-footer{align-items:center;gap:16px;margin-top:18px;font-size:14px;display:flex}.ratio-footer>span:first-child{color:var(--muted);margin-right:auto}.ratio-footer strong{font-size:23px}.badge{white-space:nowrap;border-radius:6px;padding:5px 9px;font-size:12px}.badge.pass{color:#075c46;background:#def6ed}.hero-preview .section-heading h2{margin:0;font-size:21px}.hero-preview .section-heading p{color:var(--muted);margin:4px 0 0;font-size:13px}.icon-link{place-items:center;min-width:44px;min-height:44px;font-size:24px;text-decoration:none;display:grid}.entry-card{flex-direction:column;gap:14px;min-width:0;text-decoration:none;display:flex;position:relative}.entry-card h3{letter-spacing:-.025em;margin:0 0 6px;font-size:18px;line-height:1.3}.entry-card p{color:var(--muted);margin:0;font-size:14px;line-height:1.5}.entry-card .card-arrow{font-size:21px;position:absolute;bottom:18px;right:18px}.entry-card .palette-strip{margin-top:auto}.entry-card:has(.palette-strip) .card-arrow{display:none}.tool-card{grid-template-columns:62px 1fr;align-items:center;gap:14px;padding:20px 16px 24px;display:grid}.tool-card h3{font-size:16px}.tool-card p{padding-right:14px;font-size:13px;line-height:1.45}.tool-card .card-arrow{bottom:16px;right:12px}.home-page .tool-card p{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.home-page .entry-card:has(.palette-strip) p{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.color-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;display:grid}.color-banner{border:1px solid #8883;border-radius:8px;height:92px}.hub-grid{margin:28px 0 48px}.hub-grid .entry-card{min-height:180px}.hub-grid .entry-card .text-link{margin-top:auto}.hub-grid .entry-card .card-arrow{display:none}.inline-color{vertical-align:middle;border:1px solid #8884;border-radius:4px;width:22px;height:22px;margin-right:8px;display:inline-block}.reference-body{max-width:900px;margin:48px auto 30px}.site-page{max-width:980px}.site-page .reference-body{margin-top:28px}.reference-body h2{letter-spacing:-.025em;margin-top:32px;font-size:26px}.reference-body p,.reference-body li{line-height:1.75}.source-note{border-top:1px solid var(--border);margin-top:36px;padding-top:14px}.source-note h2{font-size:19px}.source-note ul{font-size:14px}.related-inline h2{font-size:22px}.related-inline ul{padding-left:20px}.related-inline li{margin:10px 0}.review-note{color:var(--muted);margin-top:32px;font-size:12px}.example-label{color:#194db8;background:#e8efff;border-radius:20px;margin:0 0 20px;padding:5px 14px;font-size:13px;display:inline-block}.role-specimen{margin:4px 0 26px;padding:18px}.role-specimen h2{margin:0 0 18px;font-size:27px;line-height:1.15}.role-specimen-bottom{border-top:1px solid var(--border);grid-template-columns:.9fr 1.3fr;gap:18px;margin-top:16px;padding-top:14px;display:grid}.role-specimen dl{margin:0}.role-specimen dl>div{justify-content:space-between;align-items:center;gap:12px;margin:10px 0;font-size:13px;display:flex}.role-specimen dt{align-items:center;gap:10px;display:flex}.role-specimen dd{color:var(--muted);margin:0;font-size:12px}.role-dot{border-radius:50%;flex-shrink:0;width:21px;height:21px;display:inline-block}.role-specimen .ui-specimen{padding:22px 20px}.role-specimen .ui-specimen h3{font-size:23px}.role-specimen .ui-specimen p{font-size:14px}.article-tool-cta{margin-bottom:12px}.related-card{border-top:1px solid var(--border);color:var(--ink);padding:18px 0;text-decoration:none;display:block}.related-card span{color:var(--muted);margin-top:6px;font-size:13px;line-height:1.5;display:block}.try-example>.button{width:100%;margin:22px 0 18px}.try-example>.text-link{border-top:1px solid var(--border);padding-top:17px;display:block}.try-example .palette-strip{margin-top:18px}.adjacent-docs{border-top:1px solid var(--border);justify-content:space-between;gap:20px;margin-top:30px;padding-top:20px;font-size:13px;display:flex}.matrix-evidence{margin:22px 0}.matrix-evidence img{border:1px solid var(--border);border-radius:8px;max-width:100%;height:auto;display:block}.matrix-evidence figcaption{color:var(--muted);margin-top:8px;font-size:12px}.ad-slot{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:8px;min-height:120px;margin-top:40px;margin-bottom:32px;padding:16px}.ad-slot[hidden]{display:none}.ad-frame{min-height:90px}.not-found{min-height:55vh;padding-top:70px}@media (max-width:1000px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.color-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-preview .ratio-footer{gap:9px}.ratio-footer strong{font-size:20px}}@media (max-width:680px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.color-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-heading>p{font-size:16px}.home-section>h2,.section-heading>h2{font-size:25px}.hero-actions{gap:10px}.hero-actions>.button{text-align:center;white-space:nowrap;flex:1;padding-inline:12px}.ratio-footer{flex-wrap:wrap;gap:8px}.ratio-footer>span:first-child{min-width:45%}.ui-specimen{padding:20px}.ui-specimen h3{font-size:25px}.role-specimen-bottom{grid-template-columns:1fr}.role-specimen h2{font-size:24px}.role-specimen .swatch-item code{font-size:10px}.adjacent-docs{flex-direction:column}.source-note ul{padding-left:18px}.article-body h1{overflow-wrap:anywhere}.color-grid .entry-card{padding:13px}.color-grid .entry-card h3{font-size:16px}.color-grid .entry-card p{font-size:12px}.home-section .section-heading{flex-direction:column;align-items:flex-start;gap:14px}.home-page .tool-card{grid-template-columns:62px 1fr;min-height:105px}.hero-preview .section-heading{flex-direction:row}.reference-body{margin-top:30px}}@media print{.site-header,.site-footer,.ad-slot,.article-toc,.docs-nav,.article-related,button{display:none!important}body,html{color:#000!important;background:#fff!important}.article-layout,.docs-layout{display:block}.card{box-shadow:none!important}.article-body,.container{width:auto;max-width:none}.workbench,.content-block{break-inside:avoid}}.role-specimen{display:block}.article-body>h1{text-wrap:balance}.home-page{padding-top:0}.hero-preview>.palette-strip{margin:14px 0}.hero-preview .ui-specimen{padding:20px}.hero-preview .ui-specimen .accent-dot{margin-bottom:0}.hero-preview .ui-specimen h3{margin:4px 0 6px;font-size:28px}.hero-preview .ui-specimen p{margin:0 0 16px;font-size:15px}.entry-card{color:var(--ink)}@media (min-width:1101px){.hero-copy h1{font-size:70px}}.tool-page .page{padding-top:26px}@media (min-width:901px){.tool-page .page-heading h1{font-size:68px;line-height:1.06}.tool-page .page-heading>p{max-width:980px;font-size:22px}}@media (min-width:1101px){.article-layout>.article-body>h1{max-width:720px;font-size:58px;line-height:1.08}}@media (min-width:1280px){.article-layout{grid-template-columns:202px minmax(0,1fr) 312px;gap:24px;width:min(100% - 64px,1284px)}}.sidebar-pair+.sidebar-pair{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.sidebar-pair h3{margin-bottom:10px;font-size:15px}.sidebar-pair .small{overflow-wrap:anywhere;margin:10px 0;font-size:11px}.sidebar-pair .text-link{font-size:12px}@media print{.adjacent-docs{display:none}}.support-link{color:var(--muted);padding-bottom:1.5rem;font-size:.8rem}.print-credit{display:none}@media print{.support-link{display:none}.print-credit{overflow-wrap:anywhere;margin:1rem 0;font-size:9pt;display:block}:root,:root[data-theme=dark]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#fff;--surface:#fff;--surface-soft:#f2f3f4;--ink:#000;--muted:#444;--line:#ccc;--accent:#000;--accent-soft:#f3f3f3;--good:#164d2f;--good-bg:#edf4ef;--bad:#7b1d16;--bad-bg:#f5eeec;--warning:#694208;--warning-bg:#f8f3e8}}.print-only{display:none}@media print{.workbench{break-inside:auto}.workbench .sample-controls,.workbench .preview-options,.palette-editor,.export-import-grid,.storage-panel,.output-panel,.tool-status,.workbench a.button{display:none!important}.palette-workspace,.contrast-grid,.converter-layout{break-inside:auto;display:block}.workbench .card{break-inside:auto;box-shadow:none;margin-bottom:10pt;padding:12pt}.palette-preview-panel,.matrix-section{break-inside:avoid!important}.print-only{display:block}.matrix-table .print-only{font-weight:650;display:inline}#print-palette-name{margin:4pt 0 10pt;font-weight:650}.palette-strip .color-block{height:36pt}.palette-specimen{min-height:0;padding:12pt}.palette-specimen h3{font-size:16pt}.palette-preview-panel .ratio-number{font-size:32pt}.selected-thresholds{grid-template-columns:repeat(4,minmax(0,1fr))}.selected-thresholds .threshold{padding:6pt}.matrix-table{table-layout:fixed;width:100%;min-width:0}.matrix-table th,.matrix-table td{overflow-wrap:anywhere;padding:5pt;font-size:9pt}.matrix-table code{font-size:7pt}.matrix-chip{width:12pt;height:8pt}.table-scroll{overflow:visible}.content-block:has(>h2){break-after:avoid-page}.reference-body h2,.reference-body h3{break-after:avoid-page}}