*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}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;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:IBM Plex Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.container{width:100%}@media (min-width: 640px){.container{max-width:640px}}@media (min-width: 768px){.container{max-width:768px}}@media (min-width: 1024px){.container{max-width:1024px}}@media (min-width: 1280px){.container{max-width:1280px}}@media (min-width: 1536px){.container{max-width:1536px}}.visible{visibility:visible}.block{display:block}.table{display:table}.hidden{display:none}.grow{flex-grow:1}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.\!ring{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color) !important;--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width)) var(--tw-ring-color) !important;box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)!important}.ring{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.filter{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)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}:root{--text-scale: 1;--paper: #f4f1e9;--paper-deep: #ebe7de;--ink: #11110f;--muted: #686762;--line: #d3d0c7;--line-strong: #aaa79e;--accent: #f15a2a;--accent-pale: #f9dfd5;--success: #2f713f;--danger: #a7352d}*{box-sizing:border-box}html{background:#e9e6de;color:var(--ink);font-size:calc(16px * var(--text-scale));scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:var(--paper);color:var(--ink);font-family:IBM Plex Mono,Courier New,monospace;-webkit-font-smoothing:antialiased}button,textarea,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button{color:inherit}.site-frame{width:min(1500px,calc(100% - 32px));min-height:100vh;margin:0 auto;border-inline:1px solid var(--line);background:var(--paper)}.topbar{position:sticky;z-index:20;top:0;display:grid;grid-template-columns:auto 1fr auto;align-items:stretch;min-height:72px;border-top:4px solid var(--ink);border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 94%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand{display:flex;align-items:center;gap:14px;padding:12px 24px;border-right:1px solid var(--line);color:inherit;text-decoration:none}.brand strong{display:block;font-size:1rem;letter-spacing:-.03em}.brand small{display:block;margin-top:2px;color:var(--muted);font-size:.66rem}.brand-mark{display:grid;flex:0 0 auto;grid-template-columns:repeat(3,6px);grid-template-rows:repeat(3,6px);gap:3px;width:24px;height:24px}.brand-mark i{display:block;background:var(--ink)}.brand-mark i:nth-child(4){grid-column:2}.brand-mark i:nth-child(5){grid-column:3}.brand-mark i:nth-child(6){grid-column:2}.brand-mark i:nth-child(7){grid-column:3}.desktop-nav{display:flex;align-items:stretch;padding-left:12px}.desktop-nav button{position:relative;border:0;border-right:1px solid var(--line);background:transparent;padding:0 18px;color:var(--muted);font-size:.76rem;cursor:pointer}.desktop-nav button:hover:not(:disabled),.desktop-nav button.is-active{color:var(--ink);background:var(--paper-deep)}.desktop-nav button.is-active:after{position:absolute;right:16px;bottom:13px;left:16px;height:2px;background:var(--accent);content:""}.desktop-nav button:disabled{cursor:not-allowed;opacity:.43}.desktop-nav sup{margin-left:5px;color:var(--accent);font-size:.52rem}.topbar__actions{display:flex;align-items:center;padding:10px 14px;gap:10px}.model-status{display:flex;align-items:center;gap:8px;border:1px solid var(--line);padding:10px 12px;font-size:.68rem}.model-status i{width:7px;height:7px;background:var(--success);border-radius:50%;box-shadow:0 0 0 3px #dbe8dc}.model-status.is-offline i{background:var(--accent);box-shadow:0 0 0 3px var(--accent-pale)}.install-trigger,.intro-trigger{border:1px solid var(--line-strong);background:transparent;padding:10px 12px;font-size:.68rem;cursor:pointer}.install-trigger{border-color:var(--accent);color:var(--accent);font-weight:700}.install-trigger:hover,.intro-trigger:hover{background:var(--ink);color:var(--paper)}.accessibility-trigger{border:1px solid var(--ink);background:transparent;padding:10px 12px;font-size:.68rem;cursor:pointer}.accessibility-trigger span{margin-left:10px;color:var(--accent)}.accessibility-tray{position:sticky;z-index:19;top:72px;display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:10px 18px;border-bottom:1px solid var(--line);background:var(--ink);color:var(--paper)}.accessibility-tray>span{margin-right:auto;color:#aaa;font-size:.66rem;text-transform:uppercase;letter-spacing:.14em}.utility-button{border:1px solid #686864;background:transparent;color:inherit;padding:7px 10px;font-size:.66rem;cursor:pointer}.utility-button.is-active{border-color:var(--accent);background:var(--accent);color:#fff}.activity-rail{display:none}.site-frame main{min-height:75vh}.feature-page{padding:clamp(42px,6vw,92px) clamp(22px,4vw,62px) 100px}.grammar-page{padding-top:clamp(28px,3vw,48px)}.grammar-page .feature-hero{grid-template-columns:minmax(0,1fr) minmax(300px,370px);align-items:stretch;gap:clamp(28px,4vw,54px)}.grammar-page .feature-hero--compact{padding-bottom:clamp(28px,3vw,42px)}.grammar-page .section-heading h2{max-width:850px;font-size:clamp(2.7rem,4.65vw,5.15rem)}.grammar-page .section-heading__description{max-width:720px;margin-top:22px}.grammar-hero__content{min-width:0}.hero-process{display:grid;grid-template-columns:repeat(5,1fr);max-width:760px;margin:22px 0 0;padding:0;border-top:1px solid var(--ink);border-left:1px solid var(--line);list-style:none}.hero-process li{display:grid;gap:6px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 12px;color:var(--ink);font-size:.64rem;font-weight:700}.hero-process li span{color:var(--accent);font-size:.54rem;font-weight:500}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}.offline-proof{display:inline-flex;align-items:center;gap:7px;margin-left:4px;color:var(--muted);font-size:.58rem;line-height:1.4}.offline-proof i{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px #dbe8dc}.hero-agent-preview{align-self:end;border:1px solid var(--ink);border-top:4px solid var(--ink);background:color-mix(in srgb,var(--paper-deep) 60%,transparent)}.hero-agent-preview>div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:12px 14px}.hero-agent-preview>div span{color:var(--accent);font-size:.58rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.hero-agent-preview>div strong{color:var(--muted);font-size:.57rem;font-weight:500;text-transform:uppercase}.hero-agent-preview ol{margin:0;padding:0 14px;list-style:none}.hero-agent-preview li{display:grid;grid-template-columns:28px 1fr;gap:8px;border-bottom:1px solid var(--line);padding:12px 0}.hero-agent-preview li:last-child{border-bottom:0}.hero-agent-preview li>span{color:var(--accent);font-size:.57rem}.hero-agent-preview p{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.78rem;line-height:1.4}.hero-agent-preview p strong{display:block;margin-bottom:2px;color:var(--ink);font-family:IBM Plex Mono,monospace;font-size:.64rem}.feature-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,320px);align-items:end;gap:40px;padding-bottom:clamp(48px,7vw,90px)}.eyebrow{margin:0 0 18px;color:var(--accent);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.section-heading h2{max-width:960px;margin:0;font-size:clamp(2.7rem,6.3vw,6.8rem);line-height:.91;letter-spacing:-.075em;text-transform:lowercase}.section-heading h2 span{display:block;color:var(--accent)}.section-heading__description{max-width:760px;margin:32px 0 0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:clamp(1rem,1.3vw,1.2rem);line-height:1.65}.hero-metric{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;border-top:1px solid var(--ink);padding-top:14px}.hero-metric>span{color:var(--accent);font-size:3.8rem;font-weight:700;line-height:.9;letter-spacing:-.08em}.hero-metric p{margin:0;color:var(--muted);font-size:.7rem;line-height:1.8;text-transform:uppercase;letter-spacing:.1em}.hero-metric strong{color:var(--ink)}.panel{border:1px solid var(--line);background:#ffffff1f}.panel__bar{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--paper-deep)}.panel__label{display:flex;align-items:center;gap:10px;font-size:.7rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.status-square{width:9px;height:9px;border:1px solid var(--accent);box-shadow:inset 0 0 0 2px var(--paper-deep);background:var(--accent)}.panel__meta{color:var(--muted);font-size:.64rem;text-transform:uppercase;letter-spacing:.13em}.workspace-grid{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(280px,.9fr);gap:24px;align-items:start}.workspace-main,.workspace-aside{display:grid;gap:24px;min-width:0}.composer{padding:26px}.composer label,.field-label{display:block;margin-bottom:14px;color:var(--muted);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.15em}.composer textarea{display:block;width:100%;resize:vertical;border:0;border-bottom:1px solid var(--ink);border-radius:0;background:transparent;padding:10px 2px 20px;color:var(--ink);font-size:clamp(1.45rem,3vw,2.5rem);line-height:1.35;letter-spacing:-.035em}.composer textarea::-moz-placeholder{color:#aaa69d}.composer textarea::placeholder{color:#aaa69d}.composer__footer{display:flex;align-items:center;gap:18px;padding-top:16px;color:var(--muted);font-size:.66rem}.composer__footer span:nth-child(2){margin-left:auto}.button{min-height:46px;border:1px solid var(--ink);border-radius:0;padding:11px 18px;font-size:.73rem;font-weight:700;cursor:pointer;transition:transform .15s ease,background .15s ease}.button:hover:not(:disabled){transform:translate(-2px,-2px);box-shadow:2px 2px 0 var(--ink)}.button:disabled{cursor:not-allowed;opacity:.38}.button b{margin-left:18px}.button--primary{background:var(--accent);color:#fff;border-color:var(--accent)}.button--dark{background:var(--ink);color:var(--paper)}.subsection-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;border-bottom:1px solid var(--ink);padding-bottom:10px}.subsection-heading h3{margin:0;font-size:.82rem;text-transform:uppercase;letter-spacing:.12em}.subsection-heading span{color:var(--muted);font-size:.64rem;text-transform:uppercase;letter-spacing:.11em}.examples{margin-top:4px}.example-grid{display:grid;grid-template-columns:1fr 1fr}.example-grid button{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:10px;min-height:66px;border:0;border-bottom:1px solid var(--line);background:transparent;padding:12px 14px 12px 0;text-align:left;font-size:.78rem;cursor:pointer}.example-grid button:nth-child(odd){border-right:1px solid var(--line)}.example-grid button:nth-child(2n){padding-left:14px}.example-grid button:hover{background:var(--paper-deep)}.example-grid span{color:var(--accent);font-size:.64rem}.example-grid b{font-weight:400}.memory-panel{padding:24px}.memory-panel h3{margin:0 0 8px;font-size:1.15rem}.memory-panel>p{margin:0 0 24px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.88rem;line-height:1.5}.empty-state{min-height:150px;display:grid;place-content:center;text-align:center;border-top:1px solid var(--line);color:var(--muted)}.empty-state span{color:var(--accent);font-size:1.6rem}.empty-state p{font-size:.72rem;line-height:1.7}.memory-panel li{display:grid;grid-template-columns:30px 1fr auto;gap:8px;padding:13px 0;border-top:1px solid var(--line);font-size:.72rem}.memory-panel li span{color:var(--accent)}.memory-panel li small{color:var(--muted)}.process-list{margin:0;padding:0 20px;list-style:none}.process-list li{display:grid;grid-template-columns:34px 1fr;gap:10px;padding:17px 2px;border-bottom:1px solid var(--line)}.process-list li:last-child{border-bottom:0}.process-list li>span{color:var(--accent);font-size:.68rem}.process-list p{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.8rem;line-height:1.4}.process-list strong{display:block;color:var(--ink);font-family:IBM Plex Mono,monospace;font-size:.72rem}.notice{display:grid;gap:4px;border:1px solid var(--line);border-left:3px solid var(--accent);padding:15px 18px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.85rem;line-height:1.4}.notice strong{color:var(--ink);font-family:IBM Plex Mono,monospace;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em}.notice--error{border-left-color:var(--danger);background:#f8e5e1;color:var(--danger)}.notice--success{border-left-color:var(--success);background:#e4eee3}.first-hint{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:16px;border:1px solid var(--accent);background:var(--accent-pale);padding:12px 16px}.first-hint p{margin:0;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.9rem;line-height:1.5}.first-hint em{font-style:normal;color:var(--accent);font-weight:700}.first-hint button{flex:0 0 auto;border:0;background:transparent;padding:0 4px;color:var(--muted);font-size:1.3rem;line-height:1;cursor:pointer}.first-hint button:hover{color:var(--ink)}.notice--info{border-left-color:var(--line-strong);background:var(--paper-deep);color:var(--muted)}.notice--info strong{color:var(--ink)}.notice--info b{color:var(--accent);font-weight:700}.result-section{display:grid;gap:16px;margin-top:10px}.sentence-comparison{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}.sentence-comparison>div{min-height:145px;padding:20px}.sentence-comparison>div+div{border-left:1px solid var(--line);background:var(--accent-pale)}.sentence-comparison span{color:var(--muted);font-size:.62rem;text-transform:uppercase;letter-spacing:.13em}.sentence-comparison p{margin:20px 0 0;font-size:1.22rem;line-height:1.45}.sentence-comparison>div+div p{font-weight:700}.learning-notes{border:1px solid var(--line)}.learning-notes article{display:grid;grid-template-columns:52px 1fr;min-height:140px;border-bottom:1px solid var(--line)}.learning-notes article:last-child{border-bottom:0}.learning-notes article>span{padding:20px;border-right:1px solid var(--line);color:var(--accent);font-size:.7rem}.learning-notes article>div{padding:20px}.learning-notes h4{margin:0 0 10px;font-size:.9rem}.learning-notes p{margin:0 0 16px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;line-height:1.5}.learning-notes small{display:block;border-top:1px solid var(--line);padding-top:12px;color:var(--accent);font-size:.68rem}.encouragement{margin:0;border-left:3px solid var(--accent);padding:12px 16px;font-family:Atkinson Hyperlegible,Arial,sans-serif}.source-toggle{display:flex;border-bottom:1px solid var(--line)}.source-toggle button{flex:1;border:0;border-right:1px solid var(--line);background:transparent;padding:13px;font-size:.72rem;font-weight:700;cursor:pointer}.source-toggle button:last-child{border-right:0}.source-toggle button.is-active{background:var(--ink);color:var(--paper)}.source-toggle button:disabled{opacity:.5;cursor:not-allowed}.byoc-input{display:flex;flex-direction:column;min-width:0}.byoc-input textarea{width:100%;resize:vertical;border:1px solid var(--line-strong);border-radius:0;background:#ffffff40;padding:14px;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1.02rem;line-height:1.5}.byoc-input__bar{display:flex;align-items:center;gap:14px;margin-top:12px;color:var(--muted);font-size:.66rem}.byoc-input__bar button{margin-left:auto;border:1px solid var(--ink);background:transparent;padding:9px 14px;font-size:.66rem;font-weight:700;cursor:pointer}.byoc-input__bar button:hover:not(:disabled){background:var(--accent);color:#fff;border-color:var(--accent)}.byoc-input__bar button:disabled{opacity:.4;cursor:not-allowed}.byoc-error{margin:10px 0 0;color:var(--danger);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.82rem}.byoc-actions{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;border:1px solid var(--line);border-left:3px solid var(--accent);padding:18px 20px}.byoc-actions p{margin:0;max-width:520px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.9rem}.reading-setup{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.5fr);gap:38px;padding:26px}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.topic-grid button{display:flex;gap:9px;align-items:center;min-height:52px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;padding:10px;text-align:left;font-size:.7rem;cursor:pointer}.topic-grid button span{color:var(--muted);font-size:.58rem}.topic-grid button:hover,.topic-grid button.is-active{background:var(--ink);color:var(--paper)}.topic-grid button.is-active span{color:var(--accent)}.reading-setup__action{display:flex;flex-direction:column;justify-content:space-between;gap:20px;border-left:1px solid var(--line);padding-left:28px}.reading-setup__action p{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.83rem;line-height:1.5}.reading-setup__action p span{display:block;margin-bottom:8px;color:var(--ink);font-family:IBM Plex Mono,monospace;font-size:.62rem;text-transform:uppercase;letter-spacing:.12em}.reading-workspace{display:grid;gap:32px;margin-top:32px}.passage-card{border:1px solid var(--ink);padding:clamp(24px,5vw,64px)}.passage-illustration{position:relative;margin:0 0 32px;aspect-ratio:768 / 420;overflow:hidden;border:1px solid var(--line);background:var(--paper-deep)}.passage-illustration img{display:block;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;opacity:0;transform:scale(1.05);transition:opacity .7s ease,transform .9s cubic-bezier(.2,.8,.2,1)}.passage-illustration.is-ready img{opacity:1;transform:scale(1)}.passage-illustration figcaption{position:absolute;right:10px;bottom:10px;padding:4px 9px;background:color-mix(in srgb,var(--ink) 62%,transparent);color:var(--paper);font-size:.56rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.passage-illustration__skeleton{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.85rem;letter-spacing:.03em}.passage-illustration__skeleton:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.5) 50%,transparent 70%);background-size:200% 100%;animation:passage-shimmer 1.4s ease-in-out infinite}@keyframes passage-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.passage-card__meta{display:flex;justify-content:space-between;color:var(--muted);font-size:.62rem;text-transform:uppercase;letter-spacing:.13em}.passage-card h3{max-width:900px;margin:38px 0;font-size:clamp(2.1rem,5vw,5rem);line-height:.96;letter-spacing:-.06em}.passage-lines{border-top:1px solid var(--ink)}.passage-lines p{display:grid;grid-template-columns:44px 1fr;gap:14px;margin:0;border-bottom:1px solid var(--line);padding:15px 0;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:clamp(1.05rem,1.6vw,1.35rem);line-height:1.5}.passage-lines span{color:var(--accent);font-family:IBM Plex Mono,monospace;font-size:.62rem;padding-top:5px}.vocabulary-grid{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line)}.vocabulary-grid article{min-height:270px;display:flex;flex-direction:column;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px}.vocabulary-grid article>span{color:var(--accent);font-size:.64rem}.vocabulary-grid h4{margin:24px 0 10px;font-size:1.3rem}.vocabulary-grid p{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;line-height:1.5}.vocabulary-grid small{margin:18px 0;color:var(--muted);line-height:1.5}.vocab-actions{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:13px}.vocab-actions a{color:var(--ink);font-size:.64rem;font-weight:700;text-decoration:none}.vocab-actions a:hover{color:var(--accent)}.vocab-actions button{border:1px solid var(--ink);background:transparent;padding:7px 10px;font-size:.62rem;font-weight:700;cursor:pointer;white-space:nowrap}.vocab-actions button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.quiz{padding:28px}.quiz fieldset{margin:0 0 34px;border:0;padding:0}.quiz legend{display:grid;grid-template-columns:38px 1fr;width:100%;margin-bottom:14px;font-size:.9rem;font-weight:700;line-height:1.45}.quiz legend span{color:var(--accent);font-size:.64rem;padding-top:3px}.quiz-options{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.quiz-options button{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center;min-height:52px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;padding:10px 14px;text-align:left;font-size:.75rem;cursor:pointer}.quiz-options button:hover:not(:disabled),.quiz-options button.is-selected{background:var(--paper-deep);box-shadow:inset 3px 0 0 var(--accent)}.quiz-options button.is-correct{background:#dfeadf;box-shadow:inset 3px 0 0 var(--success)}.quiz-options button.is-wrong{background:#f5ded9;box-shadow:inset 3px 0 0 var(--danger)}.quiz-options button span{color:var(--accent);font-size:.64rem}.quiz-options button b{color:var(--success);font-size:.58rem;text-transform:uppercase}.answer-explanation{margin:12px 0 0 38px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.8rem}.answer-explanation strong{color:var(--ink);font-family:IBM Plex Mono,monospace}.adaptation-result{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:24px;border-top:1px solid var(--ink);padding-top:24px}.adaptation-result>div{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center}.adaptation-result>div>span{color:var(--accent);font-size:2.4rem;font-weight:700}.adaptation-result p{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.85rem}.adaptation-result p strong{display:block;color:var(--ink);font-family:IBM Plex Mono,monospace}.feature-hero--compact{padding-bottom:clamp(38px,5vw,68px)}.session-progress{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;border-top:1px solid var(--ink);padding-top:14px}.session-progress>strong{color:var(--accent);font-size:3.6rem;line-height:1;letter-spacing:-.08em}.session-progress span{display:block;margin-bottom:9px;color:var(--muted);font-size:.65rem;text-transform:uppercase;letter-spacing:.13em}.session-progress progress,.mastery-panel progress{overflow:hidden;width:100%;height:5px;border:0;border-radius:0;background:var(--line);color:var(--accent)}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:var(--accent)}progress::-moz-progress-bar{background:var(--accent)}.stage-stack{display:grid;gap:18px}.agent-decision{padding:clamp(22px,4vw,42px)}.agent-decision>span,.mini-lesson>p,.session-summary>p{color:var(--accent);font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em}.agent-decision h3{margin:14px 0 24px;font-size:clamp(1.8rem,4vw,3.6rem);letter-spacing:-.05em}.agent-decision p{max-width:720px;margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1rem;line-height:1.6}.agent-decision p strong{color:var(--ink)}.agent-why{margin-top:4px}.agent-why summary{cursor:pointer;padding:8px 0;color:var(--accent);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;list-style:none}.agent-why summary::-webkit-details-marker{display:none}.agent-why summary:after{content:" ▾"}.agent-why[open] summary:after{content:" ▴"}.agent-why>p{max-width:720px;margin:6px 0 14px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1rem;line-height:1.6}.agent-why>p strong{color:var(--ink)}.agent-why__facts{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.agent-why__facts li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:.74rem;color:var(--muted)}.agent-why__facts li:last-child{border-bottom:0}.agent-why__facts strong{color:var(--accent)}.agent-also{border:1px solid var(--line);border-left:3px solid var(--line-strong);padding:14px 18px}.agent-also>span{color:var(--muted);font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em}.agent-also p{margin:8px 0 0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.9rem;line-height:1.5}.agent-also p strong{color:var(--ink)}.proof-journey{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);margin-bottom:22px}.proof-journey>div{padding:16px}.proof-journey>div+div{border-left:1px solid var(--line);background:var(--accent-pale)}.proof-journey span{color:var(--muted);font-size:.58rem;text-transform:uppercase;letter-spacing:.12em}.proof-journey p{margin:10px 0 0;font-size:1.05rem;line-height:1.4}.proof-journey>div+div p{font-weight:700}.review-badge{display:grid;gap:6px;border:1px dashed var(--line-strong);padding:12px 16px;background:var(--paper-deep)}.review-badge>span{color:var(--accent);font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.review-badge p{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.82rem;line-height:1.45}.bridge-patterns{margin-top:8px}.bridge-patterns__intro{margin:10px 0 16px;max-width:640px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.85rem;line-height:1.5}.bridge-patterns__list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.bridge-patterns__list li{display:grid;gap:6px;padding:12px 2px;border-bottom:1px solid var(--line)}.bridge-patterns__list li>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.76rem}.bridge-patterns__list b{color:var(--accent)}.bridge-patterns__list small{color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.82rem}@media (max-width: 560px){.proof-journey{grid-template-columns:1fr}.proof-journey>div+div{border-left:0;border-top:1px solid var(--line)}}.concept-intro{max-width:820px;margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1rem;line-height:1.65}.concept-intro strong{color:var(--ink)}.concept-track{display:flex;flex-wrap:wrap;align-items:stretch;gap:10px;min-height:116px;padding:clamp(18px,3vw,28px)}.concept-track--source{background:var(--paper-deep)}.concept-track--target{background:color-mix(in srgb,var(--accent-pale) 34%,var(--paper))}.concept-track--target.is-complete .concept-card.is-changed{animation:concept-highlight .8s ease 1}.concept-card{position:relative;display:grid;align-content:start;min-width:142px;max-width:230px;flex:1 1 150px;border:1px solid var(--line-strong);border-top:4px solid var(--ink);background:var(--paper);padding:13px 14px 12px;transition:transform .2s ease,border-color .2s ease,background .2s ease}.concept-card.role-time{border-top-color:#9b5de5}.concept-card.role-topic{border-top-color:#d13f69}.concept-card.role-person{border-top-color:#168aad}.concept-card.role-action{border-top-color:var(--accent)}.concept-card.role-object{border-top-color:#6a994e}.concept-card.role-place{border-top-color:#d18b20}.concept-card.is-changed{background:var(--accent-pale);border-color:var(--accent)}.concept-card>span{color:var(--muted);font-size:.56rem;font-weight:700;letter-spacing:.12em}.concept-card>strong{margin-top:12px;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1.05rem;line-height:1.3}.concept-card>small{margin-top:9px;color:var(--accent);font-size:.54rem;line-height:1.4;text-transform:uppercase}.concept-card__controls{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:14px}.concept-card__controls button{min-height:32px;border:1px solid var(--line);background:transparent;cursor:pointer}.concept-card__controls button:hover:not(:disabled){background:var(--ink);color:var(--paper)}.concept-card__controls button:disabled{opacity:.25;cursor:not-allowed}.concept-card.is-moving{z-index:3;box-shadow:0 10px 26px #11110f2e}.concept-transform{display:flex;justify-content:center;align-items:center;gap:14px;color:var(--muted);font-size:.6rem;text-transform:uppercase;letter-spacing:.1em}.concept-transform b{color:var(--accent);font-size:1.4rem}.concept-checkbar{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);padding:18px 22px}.concept-checkbar p{max-width:720px;margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.9rem;line-height:1.5}@keyframes concept-highlight{0%{box-shadow:0 0 0 0 var(--accent)}45%{box-shadow:0 0 0 4px var(--accent)}to{box-shadow:0 0 0 0 transparent}}.agent-route{display:grid;grid-template-columns:auto 1fr;gap:7px 18px;border:1px solid var(--ink);border-left:4px solid var(--accent);padding:17px 20px}.agent-route>span{grid-row:1 / 3;align-self:start;color:var(--accent);font-size:.56rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.agent-route strong{font-size:.83rem}.agent-route p{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.88rem;line-height:1.5}.agent-route--summary{grid-template-columns:160px 1fr auto;align-items:center}.agent-route--summary>span{grid-row:auto}.stage-action--secondary{background:var(--paper-deep);color:var(--ink)}.stage-action--secondary small{color:var(--muted)}.memory-insight{background:color-mix(in srgb,var(--success) 8%,var(--paper))}.memory-callout{border:1px solid var(--success);background:#e4eee3;padding:18px 22px}.memory-callout span{color:var(--success);font-size:.58rem;font-weight:700;text-transform:uppercase;letter-spacing:.11em}.memory-callout p{margin:9px 0 0;font-family:Atkinson Hyperlegible,Arial,sans-serif;line-height:1.55}.memory-panel{padding:18px}.memory-panel__insight{margin:0 0 16px;border-left:3px solid var(--success);padding-left:12px;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.84rem;line-height:1.5}.memory-panel__empty{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.82rem;line-height:1.5}.memory-panel ul{margin:0;padding:0;list-style:none}.memory-panel li{display:grid;grid-template-columns:1fr;gap:5px;border-top:0;border-bottom:1px solid var(--line);padding:11px 0}.memory-panel li:last-child{border-bottom:0}.memory-panel li strong{font-size:.68rem}.memory-panel li span{color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.8rem;line-height:1.35}.memory-panel li small{color:var(--accent);font-size:.54rem}.decision-timeline{margin:0;padding:0 18px;list-style:none}.decision-timeline li{position:relative;display:grid;grid-template-columns:32px 1fr;gap:9px;border-bottom:1px solid var(--line);padding:13px 0}.decision-timeline li:last-child{border-bottom:0}.decision-timeline li>span{color:var(--accent);font-size:.58rem}.decision-timeline strong{font-size:.67rem}.decision-timeline p{margin:5px 0 0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.76rem;line-height:1.45}.decision-timeline .is-empty p{margin-top:0}.session-goal{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;margin-bottom:24px;border:1px solid var(--line);border-left:3px solid var(--accent);padding:14px 18px}.session-goal>span{color:var(--accent);font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;white-space:nowrap}.session-goal p{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.92rem}.session-goal p strong{color:var(--ink)}.session-goal--result{margin:0}.session-goal--result.is-met{border-left-color:var(--success);background:#e4eee3}.session-goal--result.is-met>span{color:var(--success)}.streak-banner{display:flex;align-items:baseline;gap:14px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:14px 18px}.streak-banner strong{color:var(--accent);font-size:1.1rem}.streak-banner span{color:#aaa69d;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em}.milestone-burst{display:flex;flex-wrap:wrap;gap:10px}.milestone-burst span{border:1px solid var(--accent);background:var(--accent-pale);color:var(--accent);padding:9px 14px;font-size:.72rem;font-weight:700}.streak-chip{display:flex;align-items:baseline;gap:12px;padding:18px 20px}.streak-chip strong{color:var(--accent);font-size:2.4rem;line-height:1}.streak-chip span{color:var(--muted);font-size:.66rem;text-transform:uppercase;letter-spacing:.1em}.milestone-list{margin:0;padding:20px;list-style:none;display:grid;gap:10px}.milestone-list li{display:flex;align-items:center;gap:12px;font-size:.76rem;color:var(--muted)}.milestone-list li.is-achieved{color:var(--ink)}.milestone-list li span{display:inline-grid;place-content:center;width:24px;height:24px;border:1px solid var(--line);font-size:.7rem}.milestone-list li.is-achieved span{border-color:var(--accent);background:var(--accent);color:#fff}.mini-lesson{min-height:390px;padding:clamp(28px,6vw,64px)}.mini-lesson h3{margin:18px 0 30px;font-size:clamp(2rem,5vw,4.8rem);line-height:1;letter-spacing:-.06em}.mini-lesson blockquote{margin:0 0 30px;border-block:1px solid var(--ink);padding:24px 0;color:var(--accent);font-size:clamp(1.2rem,2.4vw,2rem);line-height:1.4}.mini-lesson>div{max-width:720px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1rem;line-height:1.65}.stage-action{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:76px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:15px 20px;text-align:left;cursor:pointer}.stage-action:hover{background:var(--accent);border-color:var(--accent)}.stage-action strong,.stage-action small{display:block}.stage-action strong{font-size:.78rem}.stage-action small{margin-top:5px;color:#aaa69d;font-size:.63rem}.stage-action b{font-size:1.25rem}.practice-card{padding:clamp(22px,5vw,48px)}.practice-card__purpose{margin:0 0 26px;color:var(--accent);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em}.practice-card h3{margin:0 0 36px;font-size:clamp(1.5rem,3.2vw,2.8rem);line-height:1.3;letter-spacing:-.04em}.practice-card label{display:block;margin-bottom:10px;color:var(--muted);font-size:.68rem;text-transform:uppercase;letter-spacing:.11em}.practice-card textarea{display:block;width:100%;margin-bottom:20px;resize:vertical;border:1px solid var(--line-strong);border-radius:0;background:#fff3;padding:16px;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1.2rem;line-height:1.5}.practice-feedback{border:1px solid var(--line);border-left:4px solid var(--accent);padding:22px}.practice-feedback.is-correct{border-left-color:var(--success);background:#e4eee3}.practice-feedback.needs-retry{background:var(--accent-pale)}.practice-feedback>span{color:var(--accent);font-size:.64rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em}.practice-feedback.is-correct>span{color:var(--success)}.practice-feedback h3{margin:10px 0;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1.08rem}.practice-feedback p{margin:12px 0 0;border-top:1px solid var(--line);padding-top:12px;font-family:Atkinson Hyperlegible,Arial,sans-serif;line-height:1.5}.practice-feedback small{display:block;margin-top:16px;color:var(--muted)}.journey-list{margin:0;padding:0 20px;list-style:none}.journey-list li{display:grid;grid-template-columns:34px 1fr;gap:8px;border-bottom:1px solid var(--line);padding:14px 2px;color:#aaa69d;font-size:.68rem;text-transform:capitalize}.journey-list li:last-child{border-bottom:0}.journey-list li span{color:inherit}.journey-list li.is-current{color:var(--ink);box-shadow:inset 3px 0 0 var(--accent);padding-left:12px}.journey-list li.is-current span,.journey-list li.is-complete span{color:var(--accent)}.journey-list li.is-complete{color:var(--muted)}.mastery-panel{padding:20px}.mastery-panel ul{margin:0;padding:0;list-style:none}.mastery-panel li{display:grid;grid-template-columns:1fr 36px;gap:8px;border-bottom:1px solid var(--line);padding:13px 0}.mastery-panel li>div{display:flex;justify-content:space-between;gap:10px;grid-column:1 / -1}.mastery-panel li strong{font-size:.68rem}.mastery-panel li span{color:var(--muted);font-size:.56rem;text-transform:uppercase}.mastery-panel li small{color:var(--accent);font-size:.62rem;text-align:right}.profile-actions{display:grid;grid-template-columns:repeat(3,1fr);margin-top:18px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.profile-actions button{border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;padding:9px 4px;font-size:.58rem;cursor:pointer}.profile-actions button:hover{background:var(--ink);color:var(--paper)}.session-summary{padding:clamp(28px,6vw,60px)}.session-summary h3{margin:16px 0 38px;font-size:clamp(2rem,5vw,4.4rem);letter-spacing:-.06em}.summary-metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--line)}.summary-metrics>div{min-height:130px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px}.summary-metrics strong,.summary-metrics span{display:block}.summary-metrics strong{color:var(--accent);font-size:clamp(1.4rem,3vw,2.4rem);text-transform:lowercase}.summary-metrics span{margin-top:10px;color:var(--muted);font-size:.6rem;text-transform:uppercase;letter-spacing:.1em}.next-review{margin:24px 0 0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif}.next-review strong{color:var(--ink);font-family:IBM Plex Mono,monospace}.site-footer{display:flex;justify-content:space-between;gap:40px;margin:0 42px;border-top:1px solid var(--line);padding:44px 0 62px;color:var(--muted);font-size:.7rem;line-height:1.65}.site-footer>div{display:flex;gap:18px}.site-footer p{margin:0}.site-footer>p{text-align:right;text-transform:uppercase;letter-spacing:.08em}.site-footer span{color:var(--accent)}.fingerspell-grid{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(280px,.9fr);gap:24px;align-items:start}.fingerspell-main,.fingerspell-aside{display:grid;gap:24px;min-width:0}.camera-stage{position:relative;aspect-ratio:4 / 3;overflow:hidden;background:var(--ink)}.camera-stage__video,.camera-stage__canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;transform:scaleX(-1)}.camera-stage__video{background:var(--ink)}.camera-stage__overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:grid;place-content:center;gap:18px;padding:28px;text-align:center;background:color-mix(in srgb,var(--ink) 72%,transparent);color:var(--paper)}.camera-stage__overlay p{margin:0 auto;max-width:380px;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.95rem;line-height:1.55}.camera-stage__overlay .button{justify-self:center}.camera-stage__readout{position:absolute;z-index:2;top:14px;left:14px;display:grid;gap:2px;border:1px solid var(--paper);padding:8px 14px;background:color-mix(in srgb,var(--ink) 70%,transparent);color:var(--paper)}.camera-stage__readout span{font-size:.56rem;text-transform:uppercase;letter-spacing:.14em;color:#d3d0c7}.camera-stage__readout strong{font-size:1.9rem;line-height:1}.fingerspell-target{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;border:1px solid var(--ink);padding:22px}.fingerspell-target__letter{display:grid;place-content:center;width:clamp(90px,16vw,140px);aspect-ratio:1;border:1px solid var(--line);background:var(--accent-pale);color:var(--accent);font-size:clamp(3.4rem,9vw,5.4rem);font-weight:700;line-height:1}.fingerspell-target__hint span{color:var(--muted);font-size:.64rem;text-transform:uppercase;letter-spacing:.13em}.fingerspell-target__hint p{margin:12px 0 18px;max-width:460px;font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1.05rem;line-height:1.55}.fingerspell-progress{display:flex;flex-wrap:wrap;gap:8px;padding:22px}.fingerspell-progress span{display:grid;place-content:center;width:38px;height:44px;border:1px solid var(--line);color:var(--muted);font-size:1.1rem}.fingerspell-progress span.current{border-color:var(--accent);color:var(--accent);box-shadow:inset 0 -3px 0 var(--accent)}.fingerspell-progress span.done{border-color:var(--success);background:#e4eee3;color:var(--success)}.fingerspell-presets{padding:0 22px 22px}.preset-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.preset-grid button{border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;padding:11px 6px;font-size:.66rem;cursor:pointer}.preset-grid button:hover,.preset-grid button.is-active{background:var(--ink);color:var(--paper)}@media (max-width: 820px){.fingerspell-grid{grid-template-columns:1fr}.fingerspell-aside{grid-template-columns:1fr 1fr}.fingerspell-aside>:last-child{grid-column:1 / -1}}@media (max-width: 560px){.fingerspell-target,.fingerspell-aside{grid-template-columns:1fr}.preset-grid{grid-template-columns:1fr 1fr}}.fingerspell-note{display:block;margin-bottom:16px;color:var(--accent);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.82rem;line-height:1.45;font-style:normal}.teacher-summary{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--ink);border-left:0}.teacher-summary>div{border-left:1px solid var(--line);padding:20px}.teacher-summary strong{display:block;color:var(--accent);font-size:clamp(1.4rem,3vw,2.2rem)}.teacher-summary span{display:block;margin-top:8px;color:var(--muted);font-size:.62rem;text-transform:uppercase;letter-spacing:.1em}.teacher-table{display:grid}.teacher-table__head,.teacher-table__row{display:grid;grid-template-columns:2fr 2fr 1fr 1fr 1fr 1fr;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line)}.teacher-table__head{background:var(--paper-deep);color:var(--muted);font-size:.58rem;text-transform:uppercase;letter-spacing:.12em}.teacher-table__row strong{font-size:.8rem}.teacher-table__row em{color:var(--success);font-size:.58rem;font-style:normal;text-transform:uppercase;letter-spacing:.08em}.teacher-table__row span{font-size:.8rem;color:var(--muted)}.teacher-mastery{display:grid;gap:6px}.teacher-mastery progress{width:100%;height:5px;border:0;background:var(--line)}.teacher-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.teacher-focus,.teacher-sessions{padding:20px}.teacher-focus ol,.teacher-sessions ul{margin:0;padding:0;list-style:none}.teacher-focus li,.teacher-sessions li{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.teacher-focus li:last-child,.teacher-sessions li:last-child{border-bottom:0}.teacher-focus strong,.teacher-sessions strong{font-size:.78rem;text-transform:capitalize}.teacher-focus span,.teacher-sessions span{color:var(--muted);font-size:.68rem}.teacher-empty{margin:0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.85rem}.teacher-export{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:22px}.teacher-export p{margin:0;max-width:460px;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:.9rem}.teacher-export__actions{display:flex;gap:10px}@media (max-width: 820px){.teacher-summary{grid-template-columns:1fr 1fr}.teacher-columns{grid-template-columns:1fr}}@media (max-width: 560px){.teacher-summary{grid-template-columns:1fr 1fr}.teacher-table__head{display:none}.teacher-table__row{grid-template-columns:1fr 1fr;gap:6px 12px}}.sign-welcome{margin:20px 0 4px}.sign-welcome__cta{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--ink);background:var(--paper);padding:12px 16px;font-size:.74rem;font-weight:700;cursor:pointer}.sign-welcome__cta:hover{background:var(--accent);border-color:var(--accent);color:#fff}.sign-welcome__cta span{font-size:1.1rem}.sign-welcome__video{width:100%;max-width:520px;border:1px solid var(--ink);background:var(--ink);display:block}.onboarding{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:20px;background:color-mix(in srgb,var(--ink) 80%,transparent);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.onboarding__panel{width:min(720px,100%);max-height:calc(100vh - 40px);overflow:auto;background:var(--paper);border:1px solid var(--ink);border-top:4px solid var(--ink)}.onboarding__panel:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}.onboarding__bar{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--paper-deep)}.onboarding__bar strong{font-size:.8rem;letter-spacing:-.03em}.onboarding__skip{margin-left:auto;border:1px solid var(--line);background:transparent;padding:8px 12px;font-size:.66rem;cursor:pointer}.onboarding__skip:hover{background:var(--ink);color:var(--paper)}.onboarding__body{padding:clamp(28px,5vw,56px)}.onboarding__body h2{margin:14px 0 0;font-size:clamp(2rem,5vw,3.6rem);line-height:.96;letter-spacing:-.06em;text-transform:lowercase}.onboarding__body h2 span{color:var(--accent)}.onboarding__text{max-width:560px;margin:28px 0 0;color:var(--muted);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1.05rem;line-height:1.65}.onboarding__steps{margin:28px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.onboarding__steps li{display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:center;padding:15px 2px;border-bottom:1px solid var(--line);font-family:Atkinson Hyperlegible,Arial,sans-serif;font-size:1rem;line-height:1.5}.onboarding__steps span{color:var(--accent);font-family:IBM Plex Mono,monospace;font-size:.7rem}.onboarding__footer{position:sticky;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-top:1px solid var(--line);background:var(--paper-deep)}.onboarding__dots{display:flex;gap:8px}.onboarding__dots i{width:9px;height:9px;border:1px solid var(--line-strong)}.onboarding__dots i.is-active{background:var(--accent);border-color:var(--accent)}.onboarding__actions{display:flex;gap:10px}@media (max-width: 560px){.onboarding__footer{flex-direction:column-reverse;align-items:stretch}.onboarding__actions{display:grid;grid-template-columns:1fr}.onboarding__dots{justify-content:center}}body.dyslexic{font-family:OpenDyslexic,Atkinson Hyperlegible,Arial,sans-serif;letter-spacing:.03em;word-spacing:.16em;line-height:1.7}body.dyslexic *{font-family:OpenDyslexic,Atkinson Hyperlegible,Arial,sans-serif!important;text-transform:none!important;font-style:normal!important}body.dyslexic p,body.dyslexic li,body.dyslexic label,body.dyslexic blockquote,body.dyslexic .onboarding__text,body.dyslexic .section-heading__description,body.dyslexic .passage-lines p{line-height:1.8}body.contrast{--paper: #fff;--paper-deep: #fff;--ink: #000;--muted: #222;--line: #555;--line-strong: #000;--accent: #b32d00;--accent-pale: #fff}@media (max-width: 1100px){.site-frame{width:calc(100% - 16px)}.desktop-nav button{padding-inline:11px}.model-status{display:none}.install-trigger{padding-inline:9px}.workspace-grid{grid-template-columns:minmax(0,1.6fr) minmax(250px,.8fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 820px){.site-frame{width:100%;border:0}.topbar{grid-template-columns:1fr auto;min-height:64px}.brand{padding:10px 16px;border-right:0}.desktop-nav{display:none}.topbar__actions{padding:8px 10px}.accessibility-trigger{font-size:0}.accessibility-trigger:before{content:"Aa";font-size:.72rem}.accessibility-trigger span{font-size:.72rem}.accessibility-tray{top:64px;flex-wrap:wrap;justify-content:flex-start}.accessibility-tray>span{width:100%}.activity-rail{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.activity-rail button{min-width:0;border:0;border-right:1px solid var(--line);background:transparent;padding:14px;text-align:left;cursor:pointer}.activity-rail button:last-child{border-right:0}.activity-rail button>span{display:block;color:var(--accent);font-size:.57rem}.activity-rail button strong{display:block;margin:5px 0 2px;font-size:.73rem}.activity-rail button small{display:block;overflow:hidden;color:var(--muted);font-size:.55rem;text-overflow:ellipsis;white-space:nowrap}.activity-rail button.is-active{background:var(--ink);color:var(--paper)}.activity-rail button:disabled{opacity:.4}.feature-page{padding:44px 18px 72px}.feature-hero{grid-template-columns:1fr;gap:32px;padding-bottom:52px}.grammar-page .feature-hero{grid-template-columns:1fr}.hero-agent-preview{display:none}.hero-metric{max-width:330px}.workspace-grid{grid-template-columns:1fr}.workspace-aside{grid-template-columns:1fr 1fr}.workspace-aside>:last-child{grid-column:1 / -1}.concept-checkbar,.agent-route--summary{align-items:stretch;flex-direction:column;grid-template-columns:1fr}.agent-route--summary>span{grid-row:auto}.reading-setup{grid-template-columns:1fr}.reading-setup__action{border-top:1px solid var(--line);border-left:0;padding-top:24px;padding-left:0}.site-footer{margin-inline:18px}}@media (max-width: 560px){.brand small{display:none}.brand-mark{transform:scale(.88)}.section-heading h2{font-size:clamp(2.55rem,15vw,4.3rem)}.section-heading__description{margin-top:24px}.hero-process{grid-template-columns:repeat(3,1fr)}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.hero-actions .button{width:100%;padding-inline:10px}.offline-proof{grid-column:1 / -1;margin-left:0}.panel__bar{padding-inline:12px}.panel__meta{max-width:42%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.composer{padding:18px}.composer textarea{font-size:1.35rem;min-height:150px}.composer__footer{flex-wrap:wrap}.composer__footer span:nth-child(2){margin-left:0}.composer__footer .button{width:100%;margin-top:4px}.example-grid,.sentence-comparison{grid-template-columns:1fr}.example-grid button:nth-child(odd){border-right:0}.example-grid button:nth-child(2n){padding-left:0}.sentence-comparison>div+div{border-top:1px solid var(--line);border-left:0}.workspace-aside{grid-template-columns:1fr}.workspace-aside>:last-child{grid-column:auto}.topic-grid{grid-template-columns:1fr 1fr}.reading-setup{padding:18px}.vocabulary-grid{grid-template-columns:1fr}.vocabulary-grid article{min-height:230px}.quiz{padding:18px}.quiz-options{grid-template-columns:1fr}.adaptation-result,.site-footer{flex-direction:column;align-items:stretch}.adaptation-result>div{grid-template-columns:1fr}.summary-metrics{grid-template-columns:1fr}.summary-metrics>div{min-height:95px}.session-progress{max-width:280px}.concept-track{display:grid;grid-template-columns:1fr 1fr}.concept-card{min-width:0;max-width:none}.concept-checkbar{display:grid}.concept-checkbar .button{width:100%}.site-footer>p{text-align:left}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}