:root{--bg: #f4f5f7;--surface: #ffffff;--surface-2: #eceef2;--ink: #16191f;--ink-2: #4a505c;--muted: #646b76;--untyped: #68707b;--rule: #e0e3e9;--field: #858b97;--axis: #c3c6cf;--accent: #0d6b60;--accent-ink: #ffffff;--accent-soft: #e2f1ee;--error: #c4372f;--extra: #8c2a24;--good: #0a7a32;--good-soft: #e3f3e8;--warn-ink: #8f5b00;--warn-soft: #fbf0d9;--s1: #2a78d6;--s2: #eb6834;--s3: #1baf7a;--s4: #eda100;--critical: #d03b3b;--g-bg: #ffffff;--g-ink: #1f1f1f;--g-line: #747775;--g-hover: #f1f3f4;--shadow: 0 1px 2px rgba(22,25,31,.04),0 4px 14px rgba(22,25,31,.04);--f-ui: "Archivo",system-ui,-apple-system,"Segoe UI","Noto Sans Bengali","Noto Sans Devanagari",sans-serif;--f-mono: "JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,"Noto Sans Bengali","Noto Sans Devanagari",monospace;--f-indic: "Noto Sans Bengali","Noto Sans Devanagari","Archivo",system-ui,sans-serif;--words-size: clamp(20px,2.6vw,29px)}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg: #121418;--surface: #191c22;--surface-2: #242830;--ink: #e8eaee;--ink-2: #b4b9c4;--muted: #8a909c;--untyped: #7b818d;--rule: #2a2e37;--field: #6b717d;--axis: #3a3f49;--accent: #55c6b3;--accent-ink: #0b1412;--accent-soft: #15302c;--error: #f0716a;--extra: #b8524b;--good: #52c77d;--good-soft: #163021;--warn-ink: #e3ab45;--warn-soft: #34290f;--s1: #3987e5;--s2: #d95926;--s3: #199e70;--s4: #c98500;--shadow: none;color-scheme: dark;--g-bg: #131314;--g-ink: #e3e3e3;--g-line: #8e918f;--g-hover: #232325}}:root[data-theme="dark"]{--bg: #121418;--surface: #191c22;--surface-2: #242830;--ink: #e8eaee;--ink-2: #b4b9c4;--muted: #8a909c;--untyped: #7b818d;--rule: #2a2e37;--field: #6b717d;--axis: #3a3f49;--accent: #55c6b3;--accent-ink: #0b1412;--accent-soft: #15302c;--error: #f0716a;--extra: #b8524b;--good: #52c77d;--good-soft: #163021;--warn-ink: #e3ab45;--warn-soft: #34290f;--s1: #3987e5;--s2: #d95926;--s3: #199e70;--s4: #c98500;--shadow: none;color-scheme: dark;--g-bg: #131314;--g-ink: #e3e3e3;--g-line: #8e918f;--g-hover: #232325}:root[data-palette="ocean"]{--accent: #1f5fa8;--accent-soft: #e2ecf8}:root[data-palette="forest"]{--accent: #2f6b2a;--accent-soft: #e5f0e1}:root[data-palette="plum"]{--accent: #7a3fb8;--accent-soft: #efe6f8}:root[data-palette="sunset"]{--accent: #b4521d;--accent-soft: #f8e9df}:root[data-palette="mono"]{--accent: #3b4250;--accent-soft: #e8eaee}:root[data-palette="desert"]{--accent: #8a5a00;--accent-soft: #f6ecd9}:root[data-palette="rose"]{--accent: #a8325e;--accent-soft: #f8e4ec}:root[data-palette="midnight"]{--accent: #3a3fa0;--accent-soft: #e6e7f7}:root[data-palette="oasis"]{--accent: #0e6e7e;--accent-soft: #dff1f3}@media (prefers-color-scheme: dark){:root[data-palette="desert"]:not([data-theme="light"]){--accent: #e0b45c;--accent-soft: #33270f;--accent-ink: #1d1406}:root[data-palette="rose"]:not([data-theme="light"]){--accent: #f08cb0;--accent-soft: #3a1826;--accent-ink: #1e0b13}:root[data-palette="midnight"]:not([data-theme="light"]){--accent: #9aa1f0;--accent-soft: #1c1e3d;--accent-ink: #0e0f22}:root[data-palette="oasis"]:not([data-theme="light"]){--accent: #5fc8d6;--accent-soft: #12303a;--accent-ink: #081a1f}}:root[data-palette="desert"][data-theme="dark"]{--accent: #e0b45c;--accent-soft: #33270f;--accent-ink: #1d1406}:root[data-palette="rose"][data-theme="dark"]{--accent: #f08cb0;--accent-soft: #3a1826;--accent-ink: #1e0b13}:root[data-palette="midnight"][data-theme="dark"]{--accent: #9aa1f0;--accent-soft: #1c1e3d;--accent-ink: #0e0f22}:root[data-palette="oasis"][data-theme="dark"]{--accent: #5fc8d6;--accent-soft: #12303a;--accent-ink: #081a1f}@media (prefers-color-scheme: dark){:root[data-palette="ocean"]:not([data-theme="light"]){--accent: #6aa7ec;--accent-soft: #15253a;--accent-ink: #0b1220}:root[data-palette="forest"]:not([data-theme="light"]){--accent: #7cc46e;--accent-soft: #18291a;--accent-ink: #0d160c}:root[data-palette="plum"]:not([data-theme="light"]){--accent: #b993ec;--accent-soft: #261b36;--accent-ink: #160d22}:root[data-palette="sunset"]:not([data-theme="light"]){--accent: #f09a62;--accent-soft: #33200f;--accent-ink: #1d1006}:root[data-palette="mono"]:not([data-theme="light"]){--accent: #c9ced8;--accent-soft: #262a31;--accent-ink: #121418}}:root[data-palette="ocean"][data-theme="dark"]{--accent: #6aa7ec;--accent-soft: #15253a;--accent-ink: #0b1220}:root[data-palette="forest"][data-theme="dark"]{--accent: #7cc46e;--accent-soft: #18291a;--accent-ink: #0d160c}:root[data-palette="plum"][data-theme="dark"]{--accent: #b993ec;--accent-soft: #261b36;--accent-ink: #160d22}:root[data-palette="sunset"][data-theme="dark"]{--accent: #f09a62;--accent-soft: #33200f;--accent-ink: #1d1006}:root[data-palette="mono"][data-theme="dark"]{--accent: #c9ced8;--accent-soft: #262a31;--accent-ink: #121418}:root[data-font="system"]{--f-words: ui-monospace,"SF Mono",Menlo,Consolas,monospace}:root[data-font="sans"]{--f-words: var(--f-ui)}:root[data-font="serif"]{--f-words: Georgia,"Times New Roman",serif}:root[data-size="s"]{--words-size: clamp(17px,2vw,23px)}:root[data-size="l"]{--words-size: clamp(23px,3.2vw,36px)}:root[data-size="xl"]{--words-size: clamp(27px,4vw,46px)}*{box-sizing: border-box}[hidden]{display: none !important}body{margin: 0;background: var(--bg);color: var(--ink);font-family: var(--f-ui);font-size: 15px;line-height: 1.5;-webkit-font-smoothing: antialiased;padding-left: max(16px,env(safe-area-inset-left,0px));padding-right: max(16px,env(safe-area-inset-right,0px))}#app{max-width: 1000px;margin: 0 auto;min-height: 100vh;min-height: 100dvh;padding-block: 20px 28px;display: grid;grid-template-columns: minmax(0,1fr);grid-template-rows: auto 1fr auto;gap: 24px}.stage{display: grid;min-width: 0}.stage:focus{outline: none}button{font: 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a:focus-visible,.stat-chip:focus-visible,.brand:focus-visible,a.btn:focus-visible{outline: 2px solid var(--accent);outline-offset: 2px}.me-bar{display: flex;align-items: center;gap: 6px;justify-self: end}.stat-chip{display: inline-flex;align-items: center;gap: 6px;font: 500 12.5px/1 var(--f-mono);color: var(--ink-2);text-decoration: none;padding: 7px 9px;border-radius: 8px;border: 1px solid var(--rule);background: var(--surface);white-space: nowrap}.stat-chip:hover{border-color: var(--axis);color: var(--ink)}.stat-chip b{color: var(--ink);font-weight: 600}.stat-chip.hot svg{color: var(--s2)}.stat-chip.who{font: 600 13px/1 var(--f-ui);color: var(--ink)}.pro{font: 600 10px/1 var(--f-mono);text-transform: uppercase;letter-spacing: .06em;color: var(--accent-ink);background: var(--accent);padding: 3px 5px;border-radius: 4px}.ring circle{fill: none;stroke-width: 2.5}.ring-bg{stroke: var(--rule)}.ring-fg{stroke: var(--accent);stroke-linecap: round}.ring.done .ring-fg{stroke: var(--good)}.brand .mark{flex: none;width: 11px;height: 20px;border-radius: 3px;background: var(--accent)}.brand .tag{font: 500 10px/1 var(--f-mono);text-transform: uppercase;letter-spacing: .08em;color: var(--muted);border: 1px solid var(--rule);padding: 4px 6px;border-radius: 4px}.config{grid-column: 1 / -1;display: flex;flex-wrap: wrap;align-items: center;gap: 8px}.seg-group{display: inline-flex;gap: 2px;background: var(--surface);border: 1px solid var(--rule);border-radius: 9px;padding: 3px}.chip-btn{font: 500 12.5px/1 var(--f-mono);color: var(--ink-2);background: transparent;border: 0;border-radius: 6px;padding: 8px 11px;cursor: pointer;min-width: 36px;transition: background .15s,color .15s}.chip-btn:hover{color: var(--ink);background: var(--surface-2)}.chip-btn[aria-pressed="true"]{background: var(--accent);color: var(--accent-ink)}.sr-only{position: absolute;width: 1px;height: 1px;padding: 0;margin: -1px;overflow: hidden;clip: rect(0 0 0 0);white-space: nowrap;border: 0}.select{position: relative;display: inline-flex;align-items: center;gap: 8px}.select select{appearance: none;-webkit-appearance: none;font: 500 12.5px/1.2 var(--f-mono);color: var(--ink);background: var(--surface);border: 1px solid var(--field);border-radius: 9px;padding: 10px 32px 10px 12px;cursor: pointer;max-width: 100%}.select select:hover{border-color: var(--ink-2)}.select::after{content: "";position: absolute;right: 13px;top: 50%;width: 6px;height: 6px;border-right: 1.5px solid var(--ink-2);border-bottom: 1.5px solid var(--ink-2);transform: translateY(-70%) rotate(45deg);pointer-events: none}.select.small select{padding: 7px 28px 7px 10px;font-size: 12px}.select.small::after{right: 11px}.sel-label{font: 500 10.5px/1 var(--f-mono);text-transform: uppercase;letter-spacing: .07em;color: var(--muted)}.kb-controls{display: flex;flex-wrap: wrap;align-items: center;gap: 8px 12px}.switch{position: relative;display: inline-flex;align-items: center;gap: 9px;font-size: 13px;color: var(--ink-2);cursor: pointer;user-select: none}.switch input{position: absolute;opacity: 0;width: 1px;height: 1px;margin: 0}.track{width: 32px;height: 18px;border-radius: 9px;background: var(--axis);position: relative;transition: background .15s;flex: none}.thumb{position: absolute;top: 2px;left: 2px;width: 14px;height: 14px;border-radius: 50%;background: var(--surface);box-shadow: 0 1px 2px rgba(0,0,0,.25);transition: transform .15s}.switch input:checked + .track{background: var(--accent)}.switch input:checked + .track .thumb{transform: translateX(14px)}.switch input:focus-visible + .track{outline: 2px solid var(--accent);outline-offset: 2px}.test-view{display: grid;gap: 12px;align-content: center;padding-block: 2vh 12vh}.testbar{display: flex;flex-wrap: wrap;align-items: baseline;gap: 6px 16px;min-height: 30px}.counter{font: 600 24px/1 var(--f-mono);color: var(--accent);font-variant-numeric: tabular-nums}.live{font: 500 15px/1 var(--f-mono);color: var(--ink-2)}.drill-label{margin-left: auto;font: 500 11.5px/1.3 var(--f-mono);color: var(--accent);background: var(--accent-soft);padding: 5px 8px;border-radius: 5px;text-transform: uppercase;letter-spacing: .06em}.drill-label:empty{display: none}.progress{height: 3px;border-radius: 2px;background: var(--rule);overflow: hidden;margin-bottom: 6px}.progress i{display: block;height: 100%;background: var(--accent);transform-origin: left center;transform: scaleX(0)}.words-wrap{position: relative;cursor: text}.words{--lh: 1.65;position: relative;font-variant-ligatures: none;font-feature-settings: "liga" 0,"calt" 0;display: flex;flex-wrap: wrap;align-content: flex-start;column-gap: .62em;font-family: var(--f-words,var(--f-mono));font-weight: 400;font-size: var(--words-size);line-height: var(--lh);height: calc(var(--lh) * 3em);overflow: hidden;color: var(--untyped);user-select: none}.words[lang="bn"],.words[lang="hi"]{--lh: 2;font-family: var(--f-indic);font-size: calc(var(--words-size) * 1.1);column-gap: .5em}.ch.partial{color: var(--accent)}.word{white-space: nowrap}.word.wrong{text-decoration: underline;text-decoration-color: var(--error);text-decoration-thickness: 2px;text-underline-offset: .32em}.ch.ok{color: var(--ink)}.ch.bad{color: var(--error);text-decoration: underline;text-decoration-thickness: 2px;text-underline-offset: .32em}.ch.extra{color: var(--extra);text-decoration: underline dotted;text-decoration-thickness: 2px;text-underline-offset: .32em}.caret{position: absolute;left: 0;top: 0;width: 2px;height: 1.15em;margin-top: calc((var(--lh) - 1.15) * .5em);background: var(--accent);border-radius: 1px;transition: transform 75ms linear;pointer-events: none}.caret.idle{animation: blink 1.05s steps(1) infinite}.caret-block .caret{width: .62em;opacity: .4;border-radius: 2px}.caret-underline .caret{width: .62em;height: 2px;margin-top: calc((var(--lh) - 1.15) * .5em + 1.08em)}.caret-off .caret{visibility: hidden}.caret-jump .caret{transition: none}.caret.nope{animation: nope .25s ease}@keyframes nope{0%,100%{background: var(--accent)}30%{background: var(--error);transform-origin: center}}.words.blind .ch.bad,.words.blind .ch.extra{color: var(--ink);text-decoration: none}.words.blind .word.wrong{text-decoration: none}.words-wrap{min-width: 0}.words.tape{flex-wrap: nowrap;height: calc(var(--lh) * 1em);width: 100%;min-width: 0}.words.tape .word{flex: none}.gear{display: inline-grid;place-items: center;width: 34px;height: 34px;border-radius: 9px;color: var(--ink-2)}.gear:hover{background: var(--surface-2);color: var(--ink)}.settings-group .setting{display: flex;flex-wrap: wrap;justify-content: space-between;align-items: center;gap: 8px 16px;padding: 10px 0;border-top: 1px solid var(--rule)}.settings-group .setting:first-of-type{border-top: 0}.settings-group .setting .note{margin: 2px 0 0;max-width: 46ch}@keyframes blink{50%{opacity: 0}}.focus-msg{position: absolute;inset: -8px;display: grid;place-items: center;border: 0;border-radius: 10px;cursor: pointer;background: color-mix(in oklab,var(--bg) 80%,transparent);backdrop-filter: blur(4px);-webkit-backdrop-filter: blur(4px);color: var(--ink);font: 500 15px/1.4 var(--f-ui)}.kb-guide{--k: 42px;--g: 5px;--u: calc(var(--k) + var(--g));display: grid;gap: 10px;margin-top: 10px;padding: 14px 16px;border: 1px solid var(--rule);border-radius: 12px;background: var(--surface);box-shadow: var(--shadow);min-width: 0}.guide-hint{margin: 0;font-size: 14px;color: var(--ink-2);min-height: 1.6em}.guide-hint b{font-family: var(--f-indic);font-size: 17px;font-weight: 600;color: var(--accent)}.guide-note{margin: 0;font-size: 12px;color: var(--muted)}.kb-scroll{overflow-x: auto}.kb{position: relative;display: grid;gap: var(--g);width: max-content;margin: 0 auto}.kb-row{display: flex;gap: var(--g)}.kb-top{margin-left: calc(var(--u) * 1.5)}.kb-home{margin-left: calc(var(--u) * 1.75)}.kb-bottom{margin-left: 0}.kb-space{margin-left: calc(var(--u) * 4)}.kc2{position: relative;flex: none;width: var(--k);height: var(--k);border-radius: 7px;background: var(--surface-2);display: grid;place-items: center;font-family: var(--f-indic);color: var(--ink);transition: background .12s,color .12s}.kc2 b{font-weight: 500;font-size: 17px;line-height: 1;padding-top: 6px}.kc2 i{position: absolute;top: 3px;left: 5px;font-style: normal;font-size: 10.5px;line-height: 1;color: var(--muted)}.kc2.space{width: calc(var(--u) * 6 - var(--g))}.kc2.space b{font: 500 12px var(--f-mono);color: var(--muted);padding-top: 0}.kc2.next{background: var(--accent);color: var(--accent-ink)}.kc2.next i,.kc2.next.space b{color: color-mix(in oklab,var(--accent-ink) 75%,transparent)}.kc2[data-f$="5"],.finger-key i[data-f$="5"]{background: color-mix(in oklab,var(--s2) 26%,var(--surface-2))}.kc2[data-f$="4"],.finger-key i[data-f$="4"]{background: color-mix(in oklab,var(--s4) 30%,var(--surface-2))}.kc2[data-f$="3"],.finger-key i[data-f$="3"]{background: color-mix(in oklab,var(--s3) 26%,var(--surface-2))}.kc2[data-f$="2"],.finger-key i[data-f$="2"]{background: color-mix(in oklab,var(--s1) 26%,var(--surface-2))}.kb .kc2.next{background: var(--accent);color: var(--accent-ink)}.kb .kc2.mod b{font: 500 12px var(--f-mono);color: var(--muted);padding-top: 0}.kb .kc2.mod.next b{color: var(--accent-ink)}.kc2.new{box-shadow: inset 0 0 0 2px var(--accent)}.kc2.new.next{box-shadow: none}.kc2.then{box-shadow: inset 0 0 0 2px var(--accent);background: var(--accent-soft)}.kc2.bump::after{content: "";position: absolute;bottom: 5px;left: 50%;width: 10px;height: 2px;margin-left: -5px;border-radius: 1px;background: currentColor;opacity: .5}.kb.latin .kc2 b{font: 500 15px var(--f-mono)}.kb.has-hands{padding-bottom: calc(var(--u) * 3 + var(--g));--hand-line: color-mix(in oklab,var(--ink) 58%,var(--surface))}.hands{position: absolute;left: 0;top: 0;z-index: 1;pointer-events: none}.hands-svg{display: block;width: calc(var(--u) * 13.4);height: calc(var(--u) * 8);overflow: visible}.hands-svg .line{fill: none;stroke: var(--hand-line);stroke-width: .045;stroke-linecap: round;stroke-linejoin: round}.hands-svg .line.on{stroke: var(--accent);stroke-width: .07}.hands-svg .halo{fill: none;stroke: var(--surface);stroke-width: .13;stroke-opacity: .7;stroke-linecap: round;stroke-linejoin: round}.hands-svg .nail{fill: none;stroke: var(--hand-line);stroke-width: .03;opacity: .75}.hands-svg .rest{fill: none;stroke: var(--accent);stroke-width: .045;stroke-dasharray: .12 .09}.hands-svg .pulse{fill: var(--accent);opacity: 0;transform-box: fill-box;transform-origin: center;animation: hand-pulse 1.5s ease-out infinite}@keyframes hand-pulse{0%{opacity: .38;transform: scale(.55)}100%{opacity: 0;transform: scale(1.6)}}@media (prefers-reduced-motion: reduce){.hands-svg .pulse{animation: none;opacity: .16}}.kb.has-hands .kc2 b{position: relative;z-index: 2}.kb.has-hands .kc2 i{z-index: 2}.kb.has-hands .kc2:not(.next) b,.kb.has-hands .kc2 i{text-shadow: 0 0 2px var(--surface),0 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10px}.rs-ptype{grid-column: 2 / -1;font-size: 12px;color: var(--muted)}.rs-ptypes{grid-template-columns: repeat(2,minmax(0,1fr))}.rs-ebars li{grid-template-columns: minmax(0,1fr) 28px;gap: 6px 10px}.rs-ebars .etrack{grid-column: 1 / -1;grid-row: 2}.rs-words{font-size: 15px}#slowDrill{margin-left: 0}}@media (max-width: 480px){.top{column-gap: 8px}.me-bar{gap: 4px}.stat-chip{gap: 4px;padding-inline: 5px}.stat-chip .unit{position: absolute;width: 1px;height: 1px;overflow: hidden;clip-path: inset(50%);white-space: nowrap}.tabs a{padding-inline: 8px}}@media (prefers-reduced-motion: reduce){.caret{transition: none}.caret.idle{animation: none}.top,.under,.foot,.chip-btn,.track,.thumb,.btn{transition: none}.rs-anim,.grow,.rs-panel,.rw.flash{animation: none}}.view-host{display: grid;gap: 18px;align-content: start;min-width: 0;animation: rise .28s ease-out}.view-head{display: grid;gap: 6px;max-width: 72ch}.view-head h1{margin: 0;font: 700 26px/1.2 var(--f-ui);letter-spacing: 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11.5px var(--f-ui)}.lkeys .plus{align-self: center;color: var(--muted);font-size: 12px}.ltip{font-size: 12.5px;color: var(--ink-2)}.fingers-card summary{display: flex;flex-wrap: wrap;align-items: baseline;gap: 4px 12px;cursor: pointer;list-style: none}.fingers-card summary::-webkit-details-marker{display: none}.fingers-card summary h3{margin: 0}.fingers-card summary::before{content: "▸";color: var(--muted);font-size: 12px;transition: transform .15s}.fingers-card[open] summary::before{transform: rotate(90deg)}.fingers-card[open] summary .note{display: none}.kb-guide.static{--k: clamp(20px,calc((100vw - 96px) / 14.5 - 4px),31px);--g: 4px;margin-top: 12px;box-shadow: none;padding: 12px}.kb-guide.static .kc2 b,.kb-guide.static .kb.latin .kc2 b{font-size: calc(var(--k) * .42);padding-top: 3px}.kb-guide.static .kc2 i{font-size: calc(var(--k) * .28);top: 2px;left: 3px}.kb-guide.static .kb .kc2.mod b,.kb-guide.static .kc2.space b{font-size: calc(var(--k) * .32)}.kb-guide.static 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