@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.absolute{position:absolute}.block{display:block}.shrink{flex-shrink:1}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#17233f;--muted:#667085;--line:#dfe4ec;--soft-line:#edf0f5;--blue:#3157d5;--blue-dark:#2345b4;--blue-soft:#edf2ff;--green:#168a67;--green-soft:#e8f7f1;--paper:#fff;--surface:#f6f8fb;--navy:#111d36;--shadow:0 18px 48px #202f521a, 0 2px 8px #202f520d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}code{color:#304064;background:#f0f3f8;border-radius:.3rem;padding:.12em .35em;font-size:.9em}::selection{color:#152355;background:#cdd9ff}.site-shell{flex-direction:column;min-height:100vh;display:flex}.site-container{width:min(1180px,100% - 40px);margin-inline:auto}.skip-link{z-index:100;background:var(--navy);color:#fff;border-radius:8px;padding:10px 16px;font-weight:700;transition:transform .15s;position:fixed;top:12px;left:16px;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.site-header{z-index:10;border-bottom:1px solid var(--soft-line);background:#fffffff5;position:relative}.header-inner{justify-content:space-between;align-items:center;gap:28px;min-height:68px;display:flex}.brand{color:var(--ink);letter-spacing:-.035em;align-items:center;gap:10px;font-size:19px;font-weight:760;display:inline-flex}.brand-domain{color:var(--blue);font-weight:650}.brand-mark{grid-template-columns:repeat(3,1fr);gap:3px;width:31px;height:26px;display:grid;transform:skewY(-5deg)}.brand-mark span{background:var(--blue);border-radius:3px;box-shadow:0 2px #1e3da0}.brand-mark span:nth-child(2){transform:translateY(3px)}.brand-mark span:nth-child(3){transform:translateY(6px)}.nav-list{color:#4f5d77;align-items:center;gap:30px;margin:0;padding:0;font-size:14px;font-weight:650;list-style:none;display:flex}.nav-list a{border-radius:4px;padding:8px 2px}.nav-list a:hover{color:var(--blue)}.tests-menu{position:relative}.tests-menu>button{color:inherit;font-size:inherit;font-weight:inherit;background:0 0;border:0;border-radius:4px;align-items:center;gap:5px;padding:8px 2px;display:inline-flex}.tests-menu>button:hover,.tests-menu>button[aria-expanded=true]{color:var(--blue)}.tests-menu>button span{font-size:14px;transition:transform .15s}.tests-menu>button[aria-expanded=true] span{transform:rotate(180deg)}.tests-popover{z-index:30;background:#fff;border:1px solid #dfe4ec;border-radius:11px;grid-template-columns:.8fr 1.15fr 1.15fr 1.1fr;gap:7px;width:820px;padding:9px;display:grid;position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%);box-shadow:0 16px 38px #19264429}.tests-popover section{background:#fafbfc;border-radius:8px;padding:7px}.tests-popover h3{color:#7b8698;letter-spacing:.11em;text-transform:uppercase;margin:2px 7px 5px;font-size:9px}.tests-popover ul{margin:0;padding:0;list-style:none}.tests-popover li+li{margin-top:2px}.tests-popover li a{border-radius:7px;gap:1px;padding:8px 9px;display:grid}.tests-popover li a:hover,.tests-popover li a:focus-visible{background:var(--blue-soft)}.tests-popover li strong{color:var(--ink);font-size:12px}.tests-popover li span{color:var(--muted);font-size:10px;font-weight:500}a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline-offset:3px;outline:3px solid #8ca6ff}.hero{background:linear-gradient(#fbfcff 0%,#f7f9fc 68%,#fff 100%);padding:58px 0 86px;overflow:hidden}.hero-copy{text-align:center;max-width:760px;margin:0 auto 36px}.eyebrow{color:var(--blue);letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px;font-size:12px;font-weight:800;line-height:1.4}h1,h2,h3,p{overflow-wrap:break-word}h1{color:#14213d;letter-spacing:-.055em;margin:0;font-size:clamp(40px,5.2vw,64px);line-height:1.05}.hero-lead{color:#5b6880;max-width:720px;margin:20px auto 0;font-size:18px;line-height:1.7}.privacy-note{background:var(--green-soft);color:#326251;text-align:left;border-radius:999px;align-items:center;gap:10px;margin-top:18px;padding:8px 15px 8px 9px;font-size:13px;display:inline-flex}.privacy-note>span{background:var(--green);color:#fff;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-weight:900;display:grid}.privacy-note p{margin:0}.tester-card{box-shadow:var(--shadow);background:#fff;border:1px solid #dce2eb;border-radius:16px;padding:24px}.tester-topbar{justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;display:flex}.tester-eyebrow{color:var(--green);align-items:center;gap:8px;margin-bottom:5px;display:flex}.live-dot{background:#20ae7b;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #dcf6ec}.tester-topbar h2{letter-spacing:-.025em;margin:0;font-size:21px;line-height:1.3}.reset-button{color:#35435e;background:#fff;border:1px solid #d6dce7;border-radius:8px;align-items:center;gap:8px;min-height:42px;padding:8px 14px;font-size:13px;font-weight:700;display:inline-flex}.reset-button:hover{background:#f8faff;border-color:#aab7d0}.reset-button span{color:var(--blue);font-size:18px}.stats-grid{background:#f8f9fc;border:1px solid #e0e5ed;border-radius:10px;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:20px;display:grid;overflow:hidden}.stats-grid>div{justify-content:space-between;align-items:center;gap:14px;min-height:74px;padding:13px 20px;display:flex}.stats-grid>div+div{border-left:1px solid #e0e5ed}.stats-grid span{color:#6c778b;letter-spacing:.02em;font-size:12px;font-weight:700}.stats-grid strong{color:#15213c;white-space:nowrap;font-size:24px;line-height:1}.stats-grid small{color:#8c96a8;font-size:14px;font-weight:600}.mobile-keyboard-hint{color:var(--muted);margin:0 0 8px;font-size:12px;display:none}.keyboard-scroll{outline-offset:2px;scrollbar-color:#bcc7d9 transparent;scrollbar-width:thin;border-radius:10px;overflow-x:auto}.keyboard-board{background:#e7eaf0;border:1px solid #d5dbe5;border-radius:11px;width:1110px;min-width:1110px;padding:14px;box-shadow:inset 0 1px 1px #fffc,inset 0 -2px 6px #23314f12}.keyboard-function-grid,.keyboard-main-grid{grid-template-columns:730px 156px 188px;gap:8px;display:grid}.keyboard-function-grid{margin-bottom:16px}.keyboard-function-grid>.keyboard-row:first-child{grid-column:1/3}.keyboard-function-grid>.keyboard-row:last-child{grid-column:3}.keyboard-row{gap:5px;min-height:43px;margin:0 0 5px;padding:0;list-style:none;display:flex}.keyboard-key,.key-spacer{flex:var(--key-width,1) 1 0;min-width:0}.key-spacer{visibility:hidden}.keyboard-key{color:#2e3a54;text-align:center;background:#fff;border:1px solid #c7cdd8;border-bottom-width:2px;border-radius:5px;justify-content:center;align-items:center;min-height:43px;font-size:10px;font-weight:700;line-height:1.05;transition:background-color 60ms,border-color 60ms,color 60ms,transform 60ms;display:flex;position:relative;box-shadow:0 1px 1px #17233f14}.keyboard-key.key-system{color:#505e75;background:#f9fafc}.keyboard-key.key-accent{color:#304d9b}.key-secondary{color:#8993a5;font-size:7px;font-weight:600;position:absolute;top:4px;left:5px}.keyboard-key[data-state=pressed]{background:var(--blue);color:#fff;border-color:#274cc8;border-bottom-width:1px;transform:translateY(1px);box-shadow:0 0 0 2px #3157d524}.keyboard-key[data-state=pressed] .key-secondary{color:#dce4ff}.keyboard-key[data-state=tested]{background:var(--green-soft);color:#126d53;border-color:#8bcdb6}.keyboard-key[data-state=tested]:after{content:"✓";color:var(--green);font-size:7px;font-weight:900;position:absolute;bottom:3px;right:4px}.navigation-zone .keyboard-row:nth-child(3){min-height:14px;margin-bottom:3px}.tester-legend{color:#69758a;align-items:center;gap:19px;margin-top:16px;font-size:11px;font-weight:650;display:flex}.tester-legend>span{white-space:nowrap;align-items:center;gap:7px;display:inline-flex}.tester-legend p{color:#8b94a5;margin:0 0 0 auto;font-weight:500}.legend-swatch{background:#fff;border:1px solid #c7cdd8;border-radius:3px;width:11px;height:11px}.legend-swatch.pressed{border-color:var(--blue);background:var(--blue)}.legend-swatch.tested{background:var(--green-soft);border-color:#79c2a8}.instructions-section,.guide-section,.troubleshooting-section,.limitations-section,.privacy-section{padding:92px 0}.section-heading{text-align:center;max-width:650px;margin:0 auto 46px}.section-heading.compact{margin-bottom:34px}.section-heading h2,.guide-grid h2,.limitations-grid h2,.privacy-panel h2{letter-spacing:-.04em;margin:0;font-size:clamp(30px,4vw,42px);line-height:1.16}.section-heading>p:last-child,.section-copy{color:var(--muted);margin:15px 0 0;font-size:17px;line-height:1.7}.step-grid{counter-reset:none;grid-template-columns:repeat(3,1fr);gap:24px;margin:0;padding:0;list-style:none;display:grid}.step-grid li{border:1px solid var(--line);background:#fff;border-radius:12px;padding:30px;position:relative}.step-grid span{background:var(--blue-soft);width:38px;height:38px;color:var(--blue);border-radius:9px;place-items:center;font-size:12px;font-weight:800;display:grid}.step-grid h3,.article-grid h3{letter-spacing:-.02em;margin:20px 0 7px;font-size:18px}.step-grid p,.article-grid p{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.guide-section{background:var(--navy);color:#fff}.guide-grid{grid-template-columns:.85fr 1.15fr;align-items:center;gap:90px;display:grid}.guide-grid h2{color:#fff}.guide-grid .eyebrow{color:#9db1ff}.guide-grid .section-copy{color:#aeb9cd}.result-list{border-top:1px solid #2b3852}.result-list article{border-bottom:1px solid #2b3852;align-items:center;gap:18px;padding:21px 0;display:flex}.result-list h3{margin:0 0 3px;font-size:16px}.result-list p{color:#aeb9cd;margin:0;font-size:13px}.result-icon{border-radius:9px;flex:none;place-items:center;width:42px;height:42px;font-style:normal;font-weight:900;display:grid}.result-icon.pressed{background:var(--blue);color:#fff}.result-icon.tested{color:#bff3df;background:#1c6c58}.result-icon.untested{color:#a8b3c8;background:#202d46;border:1px solid #526079;font-size:24px}.troubleshooting-section{background:#f7f9fc}.article-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.article-grid article{background:#fff;border:1px solid #e0e5ed;border-radius:10px;padding:24px}.article-grid article>span{color:#8fa3e8;font-size:12px;font-weight:850}.article-grid h3{margin-top:12px}.limitations-grid{grid-template-columns:.75fr 1.25fr;gap:100px;display:grid}.compact-prose{padding-top:2px}.compact-prose h3{margin-top:0}.compact-prose h3:not(:first-child){margin-top:30px}.privacy-section{padding-top:20px}.privacy-panel{background:#f0faf6;border:1px solid #cbeadd;border-radius:16px;grid-template-columns:auto .8fr 1.2fr;align-items:center;gap:30px;padding:38px 42px;display:grid}.privacy-symbol{background:var(--green);color:#fff;border-radius:50%;place-items:center;width:54px;height:54px;font-size:24px;font-weight:900;display:grid}.privacy-panel .eyebrow{color:var(--green)}.privacy-panel h2{font-size:27px}.privacy-panel>p{color:#4e6a60;margin:0;font-size:14px}.site-footer{color:#b0bbcf;background:#0c162b;margin-top:auto}.footer-grid{grid-template-columns:2fr 1fr 1fr;gap:70px;padding-top:62px;padding-bottom:52px;display:grid}.footer-brand{color:#fff}.footer-grid>div>p{max-width:420px;margin:17px 0 0;font-size:13px}.footer-heading{color:#fff;margin:0 0 14px;font-size:13px;font-weight:750}.footer-grid ul{margin:0;padding:0;font-size:13px;list-style:none}.footer-grid li+li{margin-top:8px}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid #243049;justify-content:space-between;padding-top:19px;padding-bottom:22px;font-size:11px;display:flex}.footer-bottom p{margin:0}.legal-main{background:#f7f9fc;flex:1;padding:72px 0 100px}.legal-layout{grid-template-columns:320px minmax(0,720px);justify-content:center;align-items:start;gap:76px;display:grid}.legal-intro{position:sticky;top:35px}.legal-intro h1{font-size:clamp(38px,5vw,54px)}.legal-intro>p:last-child{color:var(--muted);margin:20px 0 0;font-size:16px}.legal-card{background:#fff;border:1px solid #e0e5ed;border-radius:14px;padding:46px 50px;box-shadow:0 10px 32px #222f4e0f}.prose h2{color:var(--ink);letter-spacing:-.025em;margin:36px 0 9px;font-size:22px;line-height:1.3}.prose h2:first-child{margin-top:0}.prose h3{margin:0 0 7px;font-size:17px}.prose p{color:#5d687c;margin:0;line-height:1.78}.prose p+p{margin-top:18px}.text-link{color:var(--blue);text-underline-offset:3px;font-weight:700;text-decoration:underline;text-decoration-thickness:1px}.text-link:hover{color:var(--blue-dark)}.config-notice{color:#6d5310;background:#fff9e9;border:1px solid #e9c979;border-radius:9px;padding:18px 20px}.config-notice p{color:#725e2c;margin-top:5px}.not-found-main{text-align:center;background:#f7f9fc;flex:1;place-items:center;min-height:62vh;padding:70px 20px;display:grid}.not-found-card{max-width:620px}.not-found-card h1{font-size:clamp(38px,6vw,58px)}.not-found-card>p:not(.eyebrow){color:var(--muted);margin:20px auto 28px;font-size:17px}.primary-link{background:var(--blue);color:#fff;border-radius:9px;justify-content:center;align-items:center;min-height:48px;padding:10px 20px;font-weight:750;display:inline-flex}.primary-link:hover{background:var(--blue-dark)}.more-diagnostics{border-top:1px solid var(--soft-line);padding:48px 0}.diagnostics-strip{grid-template-columns:270px 1fr;align-items:center;gap:54px;display:grid}.diagnostics-strip .eyebrow{margin-bottom:6px}.diagnostics-strip h2{letter-spacing:-.035em;margin:0;font-size:24px;line-height:1.25}.diagnostic-link-cards{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.diagnostic-link-cards a{border:1px solid var(--line);background:#fff;border-radius:9px;align-content:center;gap:2px;min-height:88px;padding:14px 38px 14px 16px;display:grid;position:relative}.diagnostic-link-cards a:hover{background:#fafbff;border-color:#aebde9}.diagnostic-link-cards strong{font-size:13px}.diagnostic-link-cards span{color:var(--muted);font-size:12px}.diagnostic-link-cards i{color:var(--blue);font-style:normal;position:absolute;top:50%;right:15px;transform:translateY(-50%)}.diagnostic-discovery{gap:12px;display:grid}.specific-test-links{border-top:1px solid var(--soft-line);flex-wrap:wrap;align-items:center;gap:7px;padding-top:11px;display:flex}.specific-test-links>span{color:#7c8799;letter-spacing:.08em;text-transform:uppercase;margin-right:3px;font-size:10px;font-weight:800}.specific-test-links a{background:var(--blue-soft);color:var(--blue);border-radius:999px;padding:6px 10px;font-size:11px;font-weight:700}.keyboard-type-links{border-top:0;padding-top:0}.keyboard-type-tool{max-width:1050px}.layout-choice{background:#f8f9fc;border:1px solid #dfe4ec;border-radius:10px;grid-template-columns:auto 1fr;align-items:center;gap:8px 20px;margin:0 0 20px;padding:14px 16px;display:grid}.layout-choice legend{color:#33415c;padding:0 6px;font-size:12px;font-weight:800}.layout-choice>div{gap:8px;display:flex}.layout-choice button{color:#44516a;background:#fff;border:1px solid #cdd5e2;border-radius:8px;min-height:38px;padding:7px 12px;font-size:12px;font-weight:750}.layout-choice button[aria-pressed=true]{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}.layout-choice p{color:var(--muted);grid-column:2;margin:0;font-size:11px}.compact-keyboard-scroll{max-width:100%}.compact-keyboard-board{background:#e7eaf0;border:1px solid #d5dbe5;border-radius:14px;width:908px;min-width:908px;padding:16px;box-shadow:inset 0 1px 1px #fffc,inset 0 -2px 6px #23314f12}.compact-keyboard-board.has-numpad{width:1092px;min-width:1092px}.compact-function-zone{width:742px;margin-bottom:15px}.compact-keyboard-main{grid-template-columns:742px 126px;align-items:end;gap:5px;display:grid}.compact-keyboard-board.has-numpad .compact-keyboard-main{grid-template-columns:742px 126px 177px}.compact-keyboard-board.has-numpad .numpad-zone{margin-left:3px}.compact-arrow-pad{grid-template-rows:repeat(2,43px);grid-template-columns:repeat(3,1fr);gap:5px;width:126px;height:91px;margin:0;padding:0;list-style:none;display:grid}.compact-arrow-pad>li:first-child{grid-area:2/1}.compact-arrow-pad>li:nth-child(2){grid-area:1/2}.compact-arrow-pad>li:nth-child(3){grid-area:2/2}.compact-arrow-pad>li:nth-child(4){grid-area:2/3}.compact-keyboard-board .keyboard-key{min-height:42px;font-size:9px}.compact-keyboard-board .numpad-zone .keyboard-row{min-height:42px}.mac-keyboard-tool .compact-keyboard-board{background:#d9dce1;border-color:#c4c8cf}.mac-keyboard-tool .keyboard-key{color:#272a31;background:#fbfbfc;border-radius:7px}.mac-arrow-pad{grid-template-rows:repeat(2,20px);row-gap:3px;height:43px}.compact-keyboard-board .mac-arrow-pad>li{height:auto;min-height:0}.mac-arrow-pad>li:first-child{grid-area:1/1/3}.mac-arrow-pad>li:nth-child(2){grid-area:1/2}.mac-arrow-pad>li:nth-child(3){grid-area:2/2}.mac-arrow-pad>li:nth-child(4){grid-area:1/3/3}.mac-code-note{border-left:3px solid var(--blue);color:#5d687c;background:#f5f7fc;margin-bottom:18px;padding:12px 15px;font-size:12px}.type-intro-section{padding:18px 0 76px}.type-intro-grid{grid-template-columns:.85fr 1.15fr;align-items:start;gap:80px;display:grid}.type-intro-grid h2{letter-spacing:-.04em;margin:0;font-size:clamp(29px,4vw,40px);line-height:1.18}.type-intro-grid>p,.type-intro-grid ol{color:var(--muted);margin:0;font-size:15px;line-height:1.8}.type-intro-grid ol{padding-left:22px}.type-details-section{background:#f7f9fc;padding:84px 0}.type-card-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.type-card-grid article{border:1px solid var(--line);background:#fff;border-radius:12px;padding:25px}.type-card-grid h2{letter-spacing:-.02em;margin:0 0 9px;font-size:18px;line-height:1.35}.type-card-grid p{color:var(--muted);margin:0;font-size:13px;line-height:1.75}.type-card-grid a{color:var(--blue);text-underline-offset:2px;font-weight:700;text-decoration:underline}.mechanical-workflow{grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:18px;display:grid}.mechanical-workflow>div{border:1px solid #dfe4ec;border-radius:9px;grid-template-columns:auto 1fr;gap:1px 9px;padding:12px;display:grid}.mechanical-workflow span{background:var(--blue-soft);width:25px;height:25px;color:var(--blue);border-radius:50%;grid-row:1/3;place-items:center;font-size:10px;font-weight:850;display:grid}.mechanical-workflow strong{font-size:12px}.mechanical-workflow small{color:var(--muted);font-size:9px}.mechanical-picker{background:#f8f9fc;border-radius:10px;grid-template-columns:1fr minmax(250px,.8fr);align-items:center;gap:18px;margin-bottom:18px;padding:14px 16px;display:grid}.mechanical-picker label{display:grid}.mechanical-picker label strong{font-size:13px}.mechanical-picker label span{color:var(--muted);font-size:11px}.mechanical-picker select{min-width:0;color:var(--ink);background:#fff;border:1px solid #cdd5e2;border-radius:8px;padding:9px 11px;font-size:12px}.mechanical-stats{grid-template-columns:repeat(6,minmax(0,1fr))}.mechanical-stats strong{font-size:19px}.mechanical-board-heading{justify-content:space-between;align-items:end;gap:30px;margin:22px 0 12px;display:flex}.mechanical-board-heading h3{margin:0;font-size:16px}.mechanical-board-heading p{color:var(--muted);margin:3px 0 0;font-size:11px}.mechanical-board-heading>p{text-align:right;max-width:340px}.diagnostic-hero{text-align:center;background:linear-gradient(#fbfcff 0%,#f4f7fc 100%);padding:62px 0 124px}.diagnostic-hero-inner{max-width:820px}.diagnostic-hero h1{font-size:clamp(40px,5.3vw,62px)}.diagnostic-hero h1+p{color:#5b6880;max-width:740px;margin:20px auto 0;font-size:18px;line-height:1.7}.local-processing-note{color:#3b6a5a;align-items:center;gap:8px;margin-top:20px;font-size:12px;font-weight:650;display:inline-flex}.local-processing-note span{background:var(--green-soft);width:21px;height:21px;color:var(--green);border-radius:50%;place-items:center;display:grid}.diagnostic-tool-section{margin-top:-72px;padding-bottom:92px;position:relative}.diagnostic-tool{max-width:960px;box-shadow:var(--shadow);background:#fff;border:1px solid #dce2eb;border-radius:16px;margin-inline:auto;padding:26px}.diagnostic-tool.wide-tool{max-width:1180px}.diagnostic-tool-header{justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;display:flex}.diagnostic-tool-header h2{letter-spacing:-.025em;margin:0;font-size:22px;line-height:1.3}.tool-actions,.guided-actions{align-items:center;gap:9px;display:flex}.secondary-button,.primary-button{border-radius:8px;min-height:42px;padding:8px 14px;font-size:13px;font-weight:750}.secondary-button{color:#35435e;background:#fff;border:1px solid #d6dce7}.secondary-button:hover{background:#f8faff;border-color:#aab7d0}.primary-button{border:1px solid var(--blue);background:var(--blue);color:#fff}.primary-button:hover{background:var(--blue-dark)}.primary-button:disabled{cursor:not-allowed;background:#c8cfdb;border-color:#c8cfdb}.diagnostic-instruction{background:var(--blue-soft);color:#42506b;border-radius:10px;align-items:center;gap:13px;margin-bottom:18px;padding:13px 16px;font-size:13px;display:flex}.diagnostic-instruction>span{background:var(--blue);color:#fff;border-radius:50%;flex:none;place-items:center;width:27px;height:27px;font-size:11px;font-weight:800;display:grid}.diagnostic-instruction p{margin:0}.diagnostic-instruction strong{color:#21335f;display:block}.diagnostic-stats{background:#f8f9fc;border:1px solid #e0e5ed;border-radius:10px;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:20px;display:grid;overflow:hidden}.diagnostic-stats>div{flex-direction:column;justify-content:center;min-height:80px;padding:13px 17px;display:flex}.diagnostic-stats>div+div{border-left:1px solid #e0e5ed}.diagnostic-stats span{color:#6c778b;font-size:11px;font-weight:700}.diagnostic-stats strong{color:#15213c;margin-top:4px;font-size:23px;line-height:1.15}.diagnostic-stats small{color:#8791a3;text-overflow:ellipsis;white-space:nowrap;margin-top:5px;font-size:10px;overflow:hidden}.chatter-stats{grid-template-columns:repeat(5,minmax(0,1fr))}.diagnostic-result{background:#f8fafc;border:1px solid #dce3ee;border-radius:10px;align-items:center;gap:14px;padding:16px 18px;display:flex}.diagnostic-result .result-badge{color:#637087;background:#e7ebf2;border-radius:50%;flex:none;place-items:center;width:36px;height:36px;font-weight:850;display:grid}.diagnostic-result h3{margin:0 0 2px;font-size:15px}.diagnostic-result p{color:var(--muted);margin:0;font-size:12px}.diagnostic-result.result-possible{background:#fff9e9;border-color:#ebcf8a}.diagnostic-result.result-possible .result-badge{color:#5f4709;background:#f4c955}.diagnostic-result.result-clear{background:var(--green-soft);border-color:#b8dfd0}.diagnostic-result.result-clear .result-badge{background:var(--green);color:#fff}.event-timeline{margin-top:24px}.subsection-heading{justify-content:space-between;align-items:center;gap:15px;margin-bottom:10px;display:flex}.subsection-heading h3{margin:0;font-size:14px}.subsection-heading span{color:var(--muted);font-size:10px}.event-timeline ol{grid-template-columns:repeat(5,1fr);gap:6px;margin:0;padding:0;list-style:none;display:grid}.event-timeline li{background:#fafbfc;border:1px solid #e3e7ee;border-radius:7px;padding:9px;display:grid}.event-timeline li[data-suspicious=true]{background:#fff9e8;border-color:#e5c469}.event-timeline li span,.event-timeline li small{color:#818b9c;font-size:9px}.event-timeline li strong{margin:2px 0;font-size:10px}.empty-state{color:#8993a3;text-align:center;border:1px dashed #dce2eb;border-radius:8px;margin:0;padding:20px;font-size:12px}.mode-tabs{background:#f5f7fa;border:1px solid #d9dfe8;border-radius:9px;margin-bottom:18px;padding:3px;display:inline-flex}.mode-tabs button{color:#667085;background:0 0;border:0;border-radius:6px;min-height:36px;padding:6px 16px;font-size:12px;font-weight:750}.mode-tabs button[aria-pressed=true]{color:var(--blue);background:#fff;box-shadow:0 1px 4px #18243f1a}.guided-panel{background:#fafbfe;border:1px solid #dfe4ed;border-radius:11px;margin-bottom:20px;padding:18px}.combination-picker,.challenge-levels{flex-wrap:wrap;gap:7px;display:flex}.combination-picker button,.challenge-levels button{color:#4c5a74;background:#fff;border:1px solid #d8deea;border-radius:7px;min-height:34px;padding:6px 10px;font-size:11px;font-weight:700}.combination-picker button[aria-pressed=true],.challenge-levels button[aria-pressed=true]{background:var(--blue-soft);color:var(--blue);border-color:#8da4eb}.guided-instruction{margin:18px 0 14px}.guided-instruction .eyebrow{margin-bottom:4px}.guided-instruction h3{margin:0;font-size:24px}.guided-instruction p:last-child{color:var(--muted);margin:4px 0 0;font-size:12px}.comparison-grid{background:#fff;border:1px solid #e1e5ec;border-radius:8px;grid-template-columns:repeat(3,1fr);margin-bottom:14px;display:grid;overflow:hidden}.comparison-grid>div{align-content:center;min-height:70px;padding:10px 14px;display:grid}.comparison-grid>div+div{border-left:1px solid #e1e5ec}.comparison-grid span{color:#7b8596;font-size:10px;font-weight:700}.comparison-grid strong{font-size:17px}.comparison-grid small{color:#6f7a8e;text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.inline-result{border-radius:8px;gap:1px;margin-top:12px;padding:11px 13px;font-size:12px;display:grid}.inline-result.passed{background:var(--green-soft);color:#1e624e}.inline-result.warning{color:#705715;background:#fff5dc}.tool-footnote{color:#788398;text-align:center;margin:14px 0 0;font-size:11px}.nkro-stats{grid-template-columns:.7fr 1.1fr .8fr 2fr}.diagnostic-stats .featured-stat{background:var(--blue-soft)}.diagnostic-stats .featured-stat strong{color:var(--blue);font-size:30px}.diagnostic-stats .combination-value{white-space:normal;font-size:13px;line-height:1.35}.challenge-panel{border:1px solid #dfe4ed;border-radius:10px;grid-template-columns:1.2fr 1fr 1.2fr;align-items:center;gap:20px;margin-bottom:20px;padding:17px;display:grid}.challenge-panel .eyebrow{margin-bottom:2px}.challenge-panel h3{margin:0;font-size:17px}.challenge-panel p:last-child{color:var(--muted);margin:2px 0 0;font-size:10px}.challenge-status{color:#5c677b;background:#f2f4f7;border-radius:7px;gap:1px;padding:10px;font-size:10px;display:grid}.challenge-status.passed{background:var(--green-soft);color:#266752}.nkro-interpretation{color:#5d697e;background:#f3f6fb;border-radius:8px;align-items:center;gap:10px;margin-top:14px;padding:11px 14px;font-size:11px;display:flex}.nkro-interpretation>span{width:23px;height:23px;color:var(--blue);background:#dce4f7;border-radius:50%;flex:none;place-items:center;font-weight:800;display:grid}.nkro-interpretation p{margin:0}.diagnostic-copy-section{padding:20px 0 92px}.diagnostic-copy-grid{grid-template-columns:.78fr 1.22fr;align-items:start;gap:90px;display:grid}.diagnostic-copy-grid>div:first-child{position:sticky;top:30px}.diagnostic-copy-grid h2{letter-spacing:-.04em;margin:0;font-size:clamp(31px,4vw,42px);line-height:1.18}.diagnostic-copy-grid>div:first-child>p:last-child{color:var(--muted);margin:16px 0 0;font-size:16px}.diagnostic-articles{grid-template-columns:repeat(2,1fr);gap:14px;display:grid}.diagnostic-articles article{border:1px solid #e0e5ed;border-radius:10px;padding:22px}.diagnostic-articles h3{letter-spacing:-.015em;margin:0 0 7px;font-size:16px}.diagnostic-articles p{color:var(--muted);margin:0;font-size:13px;line-height:1.72}.related-tests{background:#f7f9fc;border-top:1px solid #e4e8ef;padding:68px 0 74px}.related-tests h2{letter-spacing:-.035em;margin:0 0 26px;font-size:28px}.related-link-grid{grid-template-columns:repeat(2,1fr);gap:14px;max-width:840px;display:grid}.related-link-grid a{background:#fff;border:1px solid #dfe4ec;border-radius:10px;gap:3px;padding:19px 48px 19px 20px;display:grid;position:relative}.related-link-grid a:hover{border-color:#9eb0e6}.related-link-grid strong{font-size:15px}.related-link-grid span{color:var(--muted);font-size:12px}.related-link-grid i{color:var(--blue);font-style:normal;position:absolute;top:50%;right:20px;transform:translateY(-50%)}.secondary-button:disabled{cursor:not-allowed;opacity:.45}.health-progress{grid-template-columns:repeat(5,1fr);margin:0 0 26px;padding:0;list-style:none;display:grid}.health-progress li{color:#8a94a6;text-align:center;justify-items:center;gap:6px;display:grid;position:relative}.health-progress li:before{content:"";z-index:0;background:#e2e6ee;height:2px;position:absolute;top:14px;left:-50%;right:50%}.health-progress li:first-child:before{display:none}.health-progress li span{z-index:1;background:#fff;border:2px solid #d8dee8;border-radius:50%;place-items:center;width:30px;height:30px;font-size:11px;font-weight:800;display:grid;position:relative}.health-progress li small{font-size:10px;font-weight:700}.health-progress li[aria-current=step]{color:var(--blue)}.health-progress li[aria-current=step] span{border-color:var(--blue);background:var(--blue);color:#fff;box-shadow:0 0 0 4px var(--blue-soft)}.health-progress li[data-complete=true] span{border-color:var(--green);background:var(--green-soft);color:var(--green)}.health-progress li[data-complete=true]:before,.health-progress li[aria-current=step]:before{background:#9ccfbd}.health-step{border-top:1px solid #e8ebf1;min-height:470px;padding-top:26px}.health-step-heading{max-width:720px;margin-bottom:20px}.health-step-heading .eyebrow{margin-bottom:5px}.health-step-heading h3{letter-spacing:-.03em;margin:0;font-size:25px}.health-step-heading p:last-child{color:var(--muted);margin:7px 0 0;font-size:13px}.health-navigation{border-top:1px solid #e8ebf1;justify-content:space-between;margin-top:24px;padding-top:20px;display:flex}.health-chatter-panel,.health-combination-panel{background:#fafbfe;border:1px solid #dfe4ed;border-radius:11px;padding:18px}.health-chatter-panel .diagnostic-stats{margin-bottom:0}.inline-result.neutral{color:#536078;background:#f0f3f8}.inline-tool-button{margin-top:12px}.diagnostic-stats .small-result{white-space:normal;font-size:13px;line-height:1.35}.health-combination-panel{margin-top:14px}.health-combination-panel>.eyebrow{margin-bottom:4px}.health-combination-panel h4{letter-spacing:-.02em;margin:0 0 13px;font-size:23px}.modifier-grid{grid-template-columns:repeat(4,1fr);gap:9px;display:grid}.modifier-grid>div{background:#fafbfc;border:1px solid #dfe4ec;border-radius:8px;align-content:center;gap:3px;min-height:72px;padding:11px 13px;display:grid}.modifier-grid span{color:#687489;font-size:11px}.modifier-grid strong{font-size:12px}.modifier-grid>div[data-detected=true]{background:var(--green-soft);color:#17684f;border-color:#9bd2be}.modifier-grid>div[data-pressed=true]{border-color:var(--blue);background:var(--blue);color:#fff}.modifier-grid>div[data-pressed=true] span{color:#dfe6ff}.health-summary-grid{background:#f9fafc;border:1px solid #dfe4ec;border-radius:11px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.health-summary-grid article{align-content:center;min-height:112px;padding:16px;display:grid}.health-summary-grid article+article{border-left:1px solid #dfe4ec}.health-summary-grid article:nth-child(4){border-left:0}.health-summary-grid article:nth-child(n+4){border-top:1px solid #dfe4ec}.health-summary-grid span{color:#737f92;font-size:10px;font-weight:700}.health-summary-grid strong{margin-top:4px;font-size:16px;line-height:1.35}.health-summary-grid small{color:#8993a4;margin-top:5px;font-size:10px}.health-overall{border-radius:10px;align-items:center;gap:14px;margin-top:16px;padding:17px;display:flex}.health-overall>span{border-radius:50%;flex:none;place-items:center;width:38px;height:38px;font-weight:900;display:grid}.health-overall strong{font-size:14px}.health-overall p{margin:2px 0 0;font-size:11px}.health-overall.severity-incomplete{color:#536078;background:#f0f3f8}.health-overall.severity-incomplete>span{background:#dce2ec}.health-overall.severity-attention{color:#705715;background:#fff5dc}.health-overall.severity-attention>span{background:#f0cb67}.health-overall.severity-observed{background:var(--green-soft);color:#24644f}.health-overall.severity-observed>span{background:var(--green);color:#fff}.health-deep-links{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.health-deep-links a{background:var(--blue-soft);color:var(--blue);border-radius:7px;padding:7px 10px;font-size:10px;font-weight:750}.stuck-guided-panel{background:#fafbfe;border:1px solid #dfe4ed;border-radius:11px;grid-template-columns:1fr auto;align-items:center;gap:16px;margin-bottom:18px;padding:18px;display:grid}.guided-step-copy .eyebrow{margin-bottom:3px}.guided-step-copy h3{margin:0;font-size:19px}.guided-step-copy p:last-child{color:var(--muted);margin:4px 0 0;font-size:11px}.stuck-guided-panel .diagnostic-result{grid-column:1/-1}.stuck-stats{grid-template-columns:.7fr 1.2fr 1fr 1.5fr}.neutral-hold-notice{color:#665118;background:#fff9e7;border:1px solid #e3c873;border-radius:8px;gap:2px;margin-bottom:14px;padding:11px 14px;font-size:11px;display:grid}.modifier-state-section{border-top:1px solid #e4e8ef;grid-template-columns:220px 1fr;align-items:center;gap:26px;margin-top:22px;padding-top:20px;display:grid}.modifier-state-section h3{margin:0;font-size:16px}.modifier-state-section p{color:var(--muted);margin:3px 0 0;font-size:10px}.compact-modifiers{grid-template-columns:repeat(4,1fr)}.compact-modifiers>div{min-height:58px}.problem-hero .diagnostic-hero-inner{max-width:900px}.problem-hero h1{font-size:clamp(39px,5vw,58px)}.expected-key-picker{background:#fafbfe;border:1px solid #dfe4ed;border-radius:10px;grid-template-columns:minmax(190px,.65fr) minmax(260px,1fr);align-items:center;gap:8px 18px;margin-bottom:18px;padding:17px;display:grid}.expected-key-picker label{color:#263654;font-size:13px;font-weight:750}.expected-key-picker select{width:100%;min-height:43px;color:var(--ink);background:#fff;border:1px solid #cfd7e4;border-radius:8px;padding:7px 11px}.expected-key-picker p{color:var(--muted);grid-column:1/-1;margin:0;font-size:11px}.expected-key-stats{grid-template-columns:repeat(4,minmax(0,1fr))}.expected-key-tool .diagnostic-result{margin-bottom:20px}.hands-off-panel{background:#f3f6fd;border:1px solid #cfd9ee;border-radius:11px;grid-template-columns:1fr auto;align-items:center;gap:18px;margin-bottom:18px;padding:17px 18px;display:grid}.hands-off-panel .eyebrow{margin-bottom:3px}.hands-off-panel h3{margin:0;font-size:17px}.hands-off-panel p:last-child{color:var(--muted);margin:3px 0 0;font-size:11px}.problem-interpretation,.key-result-guide,.unexpected-reading-section,.cause-map-section,.problem-content-section,.problem-steps-section,.problem-evidence-section,.sticky-keys-section,.problem-note-section{padding:82px 0}.problem-interpretation,.key-result-guide{padding-top:18px}.problem-scenario-grid{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.problem-scenario-grid article{border:1px solid var(--line);background:#fff;border-radius:11px;padding:24px}.problem-scenario-grid article>span:not(.scenario-mark){color:#8aa0e6;font-size:11px;font-weight:850}.problem-scenario-grid h3{margin:11px 0 7px;font-size:17px}.problem-scenario-grid p{color:var(--muted);margin:0;font-size:13px;line-height:1.7}.scenario-mark{border-radius:9px;place-items:center;width:38px;height:38px;font-size:12px;font-weight:850;display:grid}.scenario-mark.observed{background:var(--green-soft);color:var(--green)}.scenario-mark.waiting{background:var(--blue-soft);color:var(--blue)}.scenario-mark.reserved{color:#687489;background:#f0f2f6}.problem-content-section{background:#f7f9fc}.problem-content-section.alternate{background:#fff}.problem-content-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.problem-content-grid.asymmetric{grid-template-columns:1.1fr .9fr;align-items:stretch}.problem-copy-block,.problem-checklist{background:#fff;border:1px solid #e0e5ed;border-radius:13px;padding:32px}.problem-copy-block.contrasted{background:#f4f7fd;border-color:#cad8f2}.problem-copy-block h2,.problem-checklist h2{letter-spacing:-.035em;margin:0 0 13px;font-size:29px;line-height:1.2}.problem-copy-block h3{margin:25px 0 7px;font-size:17px}.problem-copy-block p,.problem-checklist li{color:var(--muted);font-size:14px;line-height:1.75}.problem-copy-block p{margin:0}.problem-copy-block p+p{margin-top:16px}.problem-checklist{background:var(--navy);color:#fff}.problem-checklist h2{color:#fff}.problem-checklist ul{margin:20px 0 0;padding-left:20px}.problem-checklist li{color:#b8c2d5}.problem-checklist li+li{margin-top:9px}.problem-steps-section{background:var(--navy);color:#fff}.problem-steps-grid{grid-template-columns:.72fr 1.28fr;align-items:start;gap:85px;display:grid}.problem-steps-grid h2{color:#fff;letter-spacing:-.04em;margin:0;font-size:36px;line-height:1.18}.problem-steps-grid>div>p:last-child{color:#aeb9cd}.problem-steps-grid ol{border-top:1px solid #33405a;gap:0;margin:0;padding:0;list-style:none;display:grid}.problem-steps-grid li{border-bottom:1px solid #33405a;grid-template-columns:34px 1fr;gap:14px;padding:15px 0;display:grid}.problem-steps-grid li span{color:#aebcff;background:#263653;border-radius:7px;place-items:center;width:28px;height:28px;font-size:11px;font-weight:800;display:grid}.problem-steps-grid li p{color:#b7c1d3;margin:0;font-size:13px}.problem-steps-grid li strong{color:#fff}.problem-evidence-section{background:#f7f9fc}.problem-evidence-grid,.unexpected-reading-grid{grid-template-columns:.75fr 1.25fr;gap:85px;display:grid}.problem-evidence-grid h2,.unexpected-reading-grid h2,.sticky-keys-panel h2,.problem-note h2{letter-spacing:-.04em;margin:0;font-size:34px;line-height:1.2}.problem-evidence-grid>div:last-child>p{color:var(--muted);margin:0}.problem-evidence-grid>div:last-child>p+p{margin-top:17px}.privacy-line{border-left:3px solid var(--green);padding-left:14px;color:#3d6457!important}.unexpected-reading-section{padding-top:18px}.unexpected-reading-grid>div:first-child>p:last-child{color:var(--muted)}.observation-notes{gap:10px;display:grid}.observation-notes article{border:1px solid var(--line);border-radius:9px;padding:17px 19px}.observation-notes strong{font-size:14px}.observation-notes p{color:var(--muted);margin:3px 0 0;font-size:12px}.cause-map-section{background:#f7f9fc}.cause-map{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.cause-map article{background:#fff;border-top:3px solid #9eb1e9;border-radius:6px 6px 11px 11px;padding:24px}.cause-map h3{margin:0 0 8px;font-size:17px}.cause-map p{color:var(--muted);margin:0;font-size:13px;line-height:1.72}.sticky-keys-section{padding:42px 0}.sticky-keys-panel,.problem-note{background:#f3f6fd;border:1px solid #d8e2f5;border-radius:14px;grid-template-columns:.8fr 1.2fr;align-items:center;gap:70px;padding:34px 38px;display:grid}.sticky-keys-panel>p,.problem-note>p{color:#59677f;margin:0;font-size:14px}.unexpected-steps{padding-top:72px}.problem-note-section{padding:44px 0 80px}.problem-note{background:#f0faf6;border-color:#cce8dc}.problem-note .eyebrow{color:var(--green)}.problem-link-row{grid-template-columns:repeat(3,1fr);gap:10px;margin:-12px 0 28px;display:grid}.problem-link-row a{color:#263652;background:#fff;border:1px solid #dce3ed;border-radius:9px;padding:13px 15px;font-size:13px;font-weight:750;display:grid}.problem-link-row a:hover{border-color:#9eafe2}.problem-link-row span{color:var(--muted);font-size:10px;font-weight:500}.specific-hero .diagnostic-hero-inner{max-width:890px}.specific-tool{max-width:1050px;margin-inline:auto}.specific-instruction{color:#59667d;background:#f4f7fd;border-left:3px solid #92a8e9;margin:0 0 18px;padding:11px 14px;font-size:12px}.spacebar-focus{color:#2c3953;outline-offset:4px;background:linear-gradient(#fff,#f4f6f9);border:2px solid #bdc7d7;border-bottom-width:7px;border-radius:15px;align-content:center;place-items:center;gap:5px;min-height:142px;margin-bottom:18px;display:grid;box-shadow:0 8px 20px #1d2b4914}.spacebar-focus span{letter-spacing:.04em;font-size:26px;font-weight:760}.spacebar-focus small{color:var(--muted);font-size:12px}.spacebar-focus[data-pressed=true]{background:var(--blue);color:#fff;border-color:#294dca;border-bottom-width:3px;transform:translateY(4px)}.spacebar-focus[data-pressed=true] small{color:#dce4ff}.spacebar-stats{grid-template-columns:repeat(3,1fr)}.spacebar-stats>div:nth-child(4){border-left:0}.spacebar-stats>div:nth-child(n+4){border-top:1px solid #e0e5ed}.arrow-layout{grid-template-columns:350px 1fr;align-items:center;gap:35px;margin-bottom:18px;display:grid}.arrow-pad{outline-offset:4px;background:#edf0f5;border-radius:14px;grid-template-rows:repeat(2,80px);grid-template-columns:repeat(3,92px);justify-content:center;gap:9px;padding:20px;display:grid}.arrow-key{color:#34415a;background:#fff;border:1px solid #c6ceda;border-bottom-width:4px;border-radius:9px;align-content:center;place-items:center;display:grid}.arrow-key span{font-size:28px;line-height:1}.arrow-key small{color:#7d8799;margin-top:3px;font-size:9px}.arrow-key[data-tested=true]{background:var(--green-soft);color:#176b51;border-color:#83c8ae}.arrow-key[data-pressed=true]{border-color:var(--blue);background:var(--blue);color:#fff;border-bottom-width:2px;transform:translateY(2px)}.arrow-key[data-pressed=true] small{color:#dfe5ff}.arrow-up{grid-area:1/2}.arrow-left{grid-area:2/1}.arrow-down{grid-area:2/2}.arrow-right{grid-area:2/3}.arrow-status-grid{background:#f9fafc;border:1px solid #dfe4ec;border-radius:10px;grid-template-columns:repeat(2,1fr);display:grid;overflow:hidden}.arrow-status-grid>div{align-content:center;min-height:86px;padding:13px 16px;display:grid}.arrow-status-grid>div:nth-child(2n){border-left:1px solid #dfe4ec}.arrow-status-grid>div:nth-child(n+3){border-top:1px solid #dfe4ec}.arrow-status-grid span{color:var(--muted);font-size:10px}.arrow-status-grid strong{font-size:14px}.arrow-status-grid small{color:#8791a2;font-size:9px}.current-combination{background:#f1f4f9;border-radius:9px;grid-template-columns:.8fr 1.4fr 1fr;align-items:center;gap:15px;margin-bottom:17px;padding:13px 16px;display:grid}.current-combination span,.current-combination small{color:var(--muted);font-size:10px}.current-combination strong{font-size:14px}.sequence-panel{background:#fafbfe;border:1px solid #dfe4ed;border-radius:11px;grid-template-columns:1fr auto;align-items:center;gap:15px;padding:18px;display:grid}.sequence-panel .eyebrow{margin-bottom:3px}.sequence-panel h3{margin:0;font-size:21px}.sequence-panel p:last-child{color:var(--muted);margin:3px 0 0;font-size:11px}.sequence-panel .inline-result{grid-column:1/-1;margin-top:0}.sequence-panel .inline-result span{font-size:10px}.numpad-layout{grid-template-columns:440px 1fr;align-items:center;gap:36px;margin-bottom:18px;display:grid}.numpad-visual{outline-offset:4px;background:#e9edf3;border-radius:14px;grid-template-rows:repeat(5,66px);grid-template-columns:repeat(4,88px);gap:7px;padding:18px;display:grid}.numpad-key{color:#34415a;background:#fff;border:1px solid #c5cdd9;border-bottom-width:3px;border-radius:7px;place-items:center;font-size:14px;font-weight:750;display:grid}.numpad-key[data-tested=true]{background:var(--green-soft);color:#176b51;border-color:#83c8ae}.numpad-key[data-pressed=true]{border-color:var(--blue);background:var(--blue);color:#fff;border-bottom-width:1px;transform:translateY(2px)}.numpad-NumpadAdd{grid-area:2/4/span 2}.numpad-NumpadEnter{grid-area:4/4/span 2}.numpad-Numpad0{grid-area:5/1/auto/span 2}.numpad-NumpadDecimal{grid-area:5/3}.numpad-summary{background:#f9fafc;border:1px solid #dfe4ec;border-radius:10px;grid-template-columns:repeat(2,1fr);display:grid;overflow:hidden}.numpad-summary>div{align-content:center;min-height:92px;padding:14px 16px;display:grid}.numpad-summary>div:nth-child(2n){border-left:1px solid #dfe4ec}.numpad-summary>div:nth-child(n+3){border-top:1px solid #dfe4ec}.numpad-summary span{color:var(--muted);font-size:10px}.numpad-summary strong{font-size:16px}.numpad-summary small{color:#8791a2;font-size:9px}.function-warning{color:#6d571c;background:#fff9e9;border:1px solid #ead18f;border-radius:9px;align-items:center;gap:10px;margin-bottom:16px;padding:11px 14px;font-size:11px;display:flex}.function-warning strong{white-space:nowrap}.function-key-grid{outline-offset:4px;grid-template-columns:repeat(12,1fr);gap:7px;margin-bottom:17px;display:grid}.function-key-grid>div{background:#fff;border:1px solid #c9d0dc;border-bottom-width:4px;border-radius:8px;align-content:center;place-items:center;min-height:86px;display:grid}.function-key-grid>div:nth-child(4),.function-key-grid>div:nth-child(8){margin-right:10px}.function-key-grid strong{font-size:15px}.function-key-grid span{color:var(--muted);font-size:8px}.function-key-grid small{color:#9a791b;text-align:center;margin-top:5px;font-size:7px}.function-key-grid>div[data-tested=true]{background:var(--green-soft);color:#176b51;border-color:#83c8ae}.function-key-grid>div[data-pressed=true]{border-color:var(--blue);background:var(--blue);color:#fff;border-bottom-width:2px;transform:translateY(2px)}.function-key-grid>div[data-pressed=true] span,.function-key-grid>div[data-pressed=true] small{color:#dfe5ff}.function-summary{background:#f8f9fc;border:1px solid #dfe4ec;border-radius:9px;grid-template-columns:repeat(3,1fr);margin-bottom:17px;display:grid;overflow:hidden}.function-summary>div{justify-content:space-between;align-items:center;min-height:70px;padding:12px 16px;display:flex}.function-summary>div+div{border-left:1px solid #dfe4ec}.function-summary span{color:var(--muted);font-size:10px}.function-summary strong{font-size:17px}.specific-copy-intro,.arrow-guide-section,.specific-facts-section,.numpad-explainer,.function-reserved-section,.function-practice-section{padding:74px 0}.specific-copy-intro{padding-top:10px}.specific-copy-lead,.numpad-explainer-grid,.function-reserved-grid,.function-practice-grid{grid-template-columns:.8fr 1.2fr;align-items:center;gap:85px;display:grid}.specific-copy-lead h2,.arrow-guide-grid h2,.numpad-explainer-grid h2,.function-reserved-grid h2,.function-practice-grid h2{letter-spacing:-.04em;margin:0;font-size:36px;line-height:1.18}.specific-copy-lead>div:last-child p,.numpad-explainer-grid p,.function-reserved-grid p{color:var(--muted)}.specific-troubleshooting,.specific-facts-section,.function-practice-section{background:#f7f9fc}.specific-troubleshooting{padding:72px 0}.specific-step-row{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.specific-step-row article{border:1px solid var(--line);background:#fff;border-radius:9px;gap:11px;padding:17px;display:flex}.specific-step-row span{color:#8aa0e6;font-size:11px;font-weight:850}.specific-step-row p{color:var(--muted);margin:0;font-size:12px}.arrow-guide-section{padding-top:10px}.arrow-guide-grid{grid-template-columns:.8fr 1.2fr;gap:80px;display:grid}.arrow-guide-grid>div:first-child>p:last-child{color:var(--muted)}.arrow-use-cases{gap:12px;display:grid}.arrow-use-cases article{background:#f6f8fc;border-left:3px solid #9eafe4;padding:18px 20px}.arrow-use-cases h3{margin:0 0 5px;font-size:16px}.arrow-use-cases p{color:var(--muted);margin:0;font-size:13px}.specific-fact-grid{grid-template-columns:repeat(4,1fr);gap:13px;display:grid}.specific-fact-grid article{border:1px solid var(--line);background:#fff;border-radius:10px;padding:22px}.specific-fact-grid h3{margin:0 0 7px;font-size:16px}.specific-fact-grid p{color:var(--muted);margin:0;font-size:12px;line-height:1.7}.numpad-explainer{padding-top:10px}.code-comparison{border:1px solid #dfe4ec;border-radius:11px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.code-comparison>div{text-align:center;place-content:center;min-height:125px;display:grid}.code-comparison>div+div{background:var(--green-soft);border-left:1px solid #dfe4ec}.code-comparison span,.code-comparison small{color:var(--muted);font-size:10px}.code-comparison strong{font-size:21px}.function-reserved-section{padding-top:10px}.reserved-key-list{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.reserved-key-list span{color:var(--muted);background:#f2f4f8;border-radius:8px;justify-content:space-between;padding:12px 14px;font-size:12px;display:flex}.reserved-key-list strong{color:var(--ink)}.function-practice-grid{align-items:start}.function-practice-grid ol{color:var(--muted);margin:0;padding-left:20px}.function-practice-grid li+li{margin-top:9px}@media (max-width:1150px){.keyboard-scroll{margin-right:-24px;padding-right:24px}.mobile-keyboard-hint{display:block}.tester-legend p{display:none}.article-grid{grid-template-columns:repeat(2,1fr)}.chatter-stats{grid-template-columns:repeat(3,1fr)}.chatter-stats>div:nth-child(4){border-top:1px solid #e0e5ed;border-left:0}.chatter-stats>div:nth-child(5){border-top:1px solid #e0e5ed}.stuck-stats{grid-template-columns:repeat(2,1fr)}.stuck-stats>div:nth-child(3){border-top:1px solid #e0e5ed;border-left:0}.stuck-stats>div:nth-child(4){border-top:1px solid #e0e5ed}.expected-key-stats{grid-template-columns:repeat(2,1fr)}.expected-key-stats>div:nth-child(3){border-top:1px solid #e0e5ed;border-left:0}.expected-key-stats>div:nth-child(4){border-top:1px solid #e0e5ed}.function-key-grid{grid-template-columns:repeat(6,1fr)}.function-key-grid>div:nth-child(4),.function-key-grid>div:nth-child(8){margin-right:0}.function-key-grid>div:nth-child(3),.function-key-grid>div:nth-child(9){margin-right:10px}.specific-fact-grid{grid-template-columns:repeat(2,1fr)}.tests-popover{grid-template-columns:repeat(2,1fr);width:720px}.type-card-grid,.mechanical-workflow{grid-template-columns:repeat(2,1fr)}.mechanical-stats{grid-template-columns:repeat(3,1fr)}.mechanical-stats>div:nth-child(4){border-left:0}.mechanical-stats>div:nth-child(n+4){border-top:1px solid #e0e5ed}}@media (max-width:800px){.site-container{width:min(100% - 28px,1180px)}.nav-list{gap:18px}.nav-list li:first-child{display:none}.tests-popover{width:min(720px,100vw - 28px);left:auto;right:0;transform:none}.hero{padding:42px 0 64px}.hero-copy{margin-bottom:28px}.hero-lead{font-size:16px}.privacy-note{border-radius:11px;align-items:flex-start}.tester-card{padding:17px}.keyboard-scroll{margin-right:-17px;padding-right:17px}.stats-grid{grid-template-columns:1fr}.stats-grid>div{min-height:57px;padding:10px 15px}.stats-grid>div+div{border-top:1px solid #e0e5ed;border-left:0}.stats-grid strong{font-size:20px}.tester-legend{flex-wrap:wrap;gap:10px 16px}.instructions-section,.guide-section,.troubleshooting-section,.limitations-section,.privacy-section{padding:68px 0}.step-grid{grid-template-columns:1fr}.guide-grid,.limitations-grid{grid-template-columns:1fr;gap:42px}.privacy-panel{grid-template-columns:auto 1fr;padding:30px}.privacy-panel>p{grid-column:1/-1}.diagnostics-strip,.diagnostic-copy-grid{grid-template-columns:1fr;gap:34px}.diagnostics-strip>div:first-child{max-width:420px}.diagnostic-copy-grid>div:first-child{max-width:700px;position:static}.diagnostic-link-cards{grid-template-columns:1fr}.diagnostic-link-cards a{min-height:72px}.diagnostic-hero{padding-bottom:110px}.diagnostic-stats,.nkro-stats{grid-template-columns:repeat(2,1fr)}.diagnostic-stats>div:nth-child(odd){border-left:0}.diagnostic-stats>div:nth-child(n+3){border-top:1px solid #e0e5ed}.challenge-panel{grid-template-columns:1fr}.event-timeline ol{grid-template-columns:repeat(2,1fr)}.health-step{min-height:420px}.modifier-grid,.health-summary-grid{grid-template-columns:repeat(2,1fr)}.health-summary-grid article:nth-child(odd){border-left:0}.health-summary-grid article:nth-child(n+3){border-top:1px solid #dfe4ec}.modifier-state-section,.problem-scenario-grid,.cause-map{grid-template-columns:1fr}.problem-content-grid,.problem-content-grid.asymmetric,.problem-steps-grid,.problem-evidence-grid,.unexpected-reading-grid,.sticky-keys-panel,.problem-note{grid-template-columns:1fr;gap:34px}.problem-link-row{grid-template-columns:1fr}.arrow-layout,.numpad-layout,.specific-copy-lead,.arrow-guide-grid,.numpad-explainer-grid,.function-reserved-grid,.function-practice-grid{grid-template-columns:1fr;gap:34px}.type-intro-grid{grid-template-columns:1fr;gap:30px}.type-details-section{padding:66px 0}.mechanical-picker{grid-template-columns:1fr;gap:10px}.arrow-pad,.numpad-visual{justify-self:center}.specific-step-row{grid-template-columns:repeat(2,1fr)}.legal-main{padding:52px 0 72px}.legal-layout{grid-template-columns:1fr;gap:34px}.legal-intro{max-width:600px;position:static}.footer-grid{grid-template-columns:1.7fr 1fr 1fr;gap:35px}}@media (max-width:540px){.header-inner{min-height:62px}.brand{font-size:17px}.brand-mark{width:27px;height:23px}.nav-list{gap:14px;font-size:13px}.nav-list li:nth-last-child(2){display:none}.tests-popover{grid-template-columns:1fr;max-height:calc(100vh - 82px);overflow-y:auto}h1{font-size:39px}.tester-topbar{align-items:flex-start}.tester-topbar h2{font-size:18px}.reset-button{justify-content:center;min-width:44px;padding:8px 10px;font-size:0}.reset-button span{font-size:20px}.article-grid,.privacy-panel{grid-template-columns:1fr}.privacy-panel>p{grid-column:auto}.legal-card{padding:30px 24px}.diagnostic-hero{padding-top:45px}.diagnostic-hero h1+p{font-size:16px}.diagnostic-tool{padding:17px}.diagnostic-tool-header{align-items:flex-start}.diagnostic-tool-header h2{font-size:18px}.tool-actions{flex-direction:column-reverse;align-items:flex-end}.secondary-button{min-height:38px;padding:7px 10px;font-size:11px}.chatter-stats,.diagnostic-stats,.nkro-stats,.comparison-grid{grid-template-columns:1fr}.diagnostic-stats>div+div,.comparison-grid>div+div{border-top:1px solid #e0e5ed;border-left:0}.chatter-stats>div:nth-child(4){border-left:0}.diagnostic-articles,.related-link-grid{grid-template-columns:1fr}.guided-instruction h3{font-size:20px}.health-progress small{display:none}.health-progress li:before{top:13px}.health-step{min-height:0}.health-step-heading h3{font-size:21px}.health-summary-grid,.modifier-grid,.compact-modifiers{grid-template-columns:1fr}.health-summary-grid article+article{border-top:1px solid #dfe4ec;border-left:0}.stuck-guided-panel{grid-template-columns:1fr}.stuck-guided-panel .diagnostic-result{grid-column:auto}.stuck-stats{grid-template-columns:1fr}.stuck-stats>div+div{border-top:1px solid #e0e5ed;border-left:0}.expected-key-picker,.hands-off-panel{grid-template-columns:1fr}.expected-key-picker p{grid-column:auto}.expected-key-stats{grid-template-columns:1fr}.expected-key-stats>div+div{border-top:1px solid #e0e5ed;border-left:0}.problem-interpretation,.key-result-guide,.unexpected-reading-section,.cause-map-section,.problem-content-section,.problem-steps-section,.problem-evidence-section,.sticky-keys-section,.problem-note-section{padding:58px 0}.problem-interpretation,.key-result-guide,.unexpected-reading-section{padding-top:8px}.problem-copy-block,.problem-checklist,.sticky-keys-panel,.problem-note{padding:25px 22px}.problem-copy-block h2,.problem-checklist h2{font-size:25px}.problem-steps-grid h2,.problem-evidence-grid h2,.unexpected-reading-grid h2,.sticky-keys-panel h2,.problem-note h2{font-size:29px}.spacebar-focus{min-height:116px}.spacebar-stats,.arrow-status-grid,.numpad-summary,.function-summary{grid-template-columns:1fr}.spacebar-stats>div+div,.arrow-status-grid>div+div,.numpad-summary>div+div,.function-summary>div+div{border-top:1px solid #e0e5ed;border-left:0}.arrow-pad{grid-template-rows:repeat(2,66px);grid-template-columns:repeat(3,72px);padding:15px}.current-combination,.sequence-panel{grid-template-columns:1fr}.sequence-panel .inline-result{grid-column:auto}.numpad-visual{grid-template-rows:repeat(5,56px);grid-template-columns:repeat(4,62px);padding:13px}.function-warning{flex-direction:column;align-items:flex-start}.function-key-grid{grid-template-columns:repeat(3,1fr)}.function-key-grid>div:nth-child(3),.function-key-grid>div:nth-child(9){margin-right:0}.specific-fact-grid,.specific-step-row,.code-comparison,.layout-choice{grid-template-columns:1fr}.layout-choice>div{flex-direction:column}.layout-choice p{grid-column:auto}.type-card-grid,.mechanical-workflow,.mechanical-stats{grid-template-columns:1fr}.mechanical-stats>div+div{border-top:1px solid #e0e5ed;border-left:0}.mechanical-board-heading{gap:8px;display:grid}.mechanical-board-heading>p{text-align:left;max-width:none}.code-comparison>div+div{border-top:1px solid #dfe4ec;border-left:0}.specific-copy-intro,.arrow-guide-section,.specific-facts-section,.numpad-explainer,.function-reserved-section,.function-practice-section,.specific-troubleshooting{padding:56px 0}.specific-copy-intro,.arrow-guide-section,.numpad-explainer,.function-reserved-section{padding-top:8px}.specific-copy-lead h2,.arrow-guide-grid h2,.numpad-explainer-grid h2,.function-reserved-grid h2,.function-practice-grid h2{font-size:29px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:5px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}