/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@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-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-ordinal:initial;--tw-slashed-zero:initial;--tw-numeric-figure:initial;--tw-numeric-spacing:initial;--tw-numeric-fraction:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--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:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-serif:ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--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,ui-sans-serif, system-ui, 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{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}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.block{display:block}.contents{display:contents}.grid{display:grid}.hidden{display:none}.table{display:table}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.ordinal{--tw-ordinal:ordinal;font-variant-numeric:var(--tw-ordinal,) var(--tw-slashed-zero,) var(--tw-numeric-figure,) var(--tw-numeric-spacing,) var(--tw-numeric-fraction,)}.underline{text-decoration-line:underline}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.invert{--tw-invert:invert(100%);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,)}}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink)}body{background:radial-gradient(circle at 8% 15%, #c8e45b1a, transparent 25rem), var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Avenir Next,Avenir,Helvetica Neue,Arial,sans-serif}button,input,textarea{font:inherit}button{color:inherit}button:focus-visible,textarea:focus-visible,input:focus-visible{outline-offset:2px;outline:3px solid #6f9ee880}.app-shell{min-height:100vh}.topbar{border-bottom:1px solid var(--line);z-index:30;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f5f1e8e8;grid-template-columns:1fr auto 1fr;align-items:center;height:76px;padding:0 3.2vw;display:grid;position:sticky;top:0}.brand{cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;width:max-content;font-family:Georgia,serif;font-size:23px;font-weight:700;display:flex}.brand-mark,.assistant-mark{background:var(--green);width:35px;height:35px;color:var(--lime);border-radius:50%;place-items:center;font-family:Georgia,serif;font-size:15px;font-style:italic;display:grid}.main-nav{align-items:stretch;gap:34px;height:76px;display:flex}.main-nav button{letter-spacing:.02em;cursor:pointer;color:var(--muted);background:0 0;border:0;border-bottom:2px solid #0000;padding:2px 4px 0;font-size:13px}.main-nav button.is-active{border-color:var(--ink);color:var(--ink);font-weight:700}.profile{justify-content:flex-end;align-items:center;gap:18px;display:flex}.avatar{border:1px solid var(--ink);background:var(--lime);cursor:pointer;border-radius:50%;width:38px;height:38px;font-size:11px;font-weight:800}.page{width:min(1420px,94vw);margin:0 auto;padding:48px 0 72px;animation:.38s both page-in}@keyframes page-in{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}.kicker{text-transform:uppercase;letter-spacing:.18em;color:var(--muted);margin:0 0 14px;font-size:11px;font-weight:800}.page-heading h1,.ask-heading h1,.lesson-header h1{letter-spacing:-.045em;margin:0;font-family:Georgia,Times New Roman,serif;font-weight:500}.page-heading h1{font-size:clamp(48px,5.2vw,76px);line-height:.94}.page-heading em,.ask-heading em{color:var(--green);font-weight:400}.split-heading{justify-content:space-between;align-items:flex-end;display:flex}.heading-actions{text-align:right;padding-bottom:6px}.primary-button,.submit-button{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:2px;padding:15px 20px;font-size:13px;font-weight:700;box-shadow:0 8px 18px #173f3224}.primary-button span,.submit-button span{color:var(--lime);margin-left:18px;font-size:18px}.heading-actions p{color:var(--muted);margin:10px 0 0;font-size:11px}.home-page{padding-top:54px}.home-welcome{grid-template-columns:minmax(0,1fr) 270px;align-items:end;gap:8vw;display:grid}.home-welcome h1,.climbing-heading h1{letter-spacing:-.05em;margin:0;font-family:Georgia,serif;font-size:clamp(48px,5.6vw,82px);font-weight:500;line-height:.95}.home-welcome h1 em,.climbing-heading h1 em{color:var(--green);font-weight:400}.home-welcome>div:first-child>p:last-child,.climbing-heading>div:first-child>p:last-child{max-width:660px;color:var(--muted);font-family:Georgia,serif;font-size:15px;line-height:1.6}.home-scorecard{border-left:1px solid var(--line);padding:20px 0 4px 24px;display:grid}.home-scorecard>span,.recommended-session span,.session-composition>span,.coverage-result>span,.coverage-ladder header span,.reading-ramp>div>span{color:var(--muted);letter-spacing:.13em;text-transform:uppercase;font-size:9px;font-weight:900}.home-scorecard>strong{margin:5px 0 0;font-family:Georgia,serif;font-size:52px;font-weight:500}.home-scorecard small,.home-scorecard i{color:var(--muted);font-size:10px;font-style:normal;line-height:1.5}.home-scorecard i{border-top:1px solid var(--line);color:var(--green);margin-top:14px;padding-top:11px}.recommended-session{background:var(--green);color:#fff;justify-content:space-between;align-items:center;gap:30px;margin:44px 0 28px;padding:28px 30px;display:flex;box-shadow:0 20px 46px #173f3229}.recommended-session span{color:var(--lime)}.recommendation-copy h2{letter-spacing:-.03em;margin:7px 0 8px;font-family:Georgia,serif;font-size:clamp(26px,3vw,40px);font-weight:500}.recommendation-copy>p{color:#ffffffb8;max-width:720px;margin:0;font-size:12px;line-height:1.55}.recommendation-copy>div{align-items:center;gap:14px;margin-top:18px;display:flex}.recommendation-copy>div b{background:var(--lime);color:var(--green);padding:5px 8px;font-size:9px}.recommendation-copy>div small{color:#fff9;font-size:9px}.recommended-session>button{min-width:230px;color:var(--green);cursor:pointer;text-align:left;background:#fff;border:1px solid #ffffff3d;padding:17px 18px;font-weight:800}.recommended-session>button span{float:right;margin-left:22px;font-size:17px}.next-recommendation-button{grid-template-columns:1fr auto;align-items:center;gap:3px 18px;display:grid}.next-recommendation-button small{color:var(--muted);grid-column:1;font-size:9px;font-weight:700}.next-recommendation-button strong{grid-column:1;font-size:14px}.next-recommendation-button span{grid-area:1/2/3;float:none!important;margin:0!important}.session-composition{border:1px solid var(--line);background:var(--white);padding:24px}.session-composition h2{margin:5px 0 18px;font-family:Georgia,serif;font-size:24px;font-weight:500}.session-composition ol{grid-template-columns:1fr 1fr;margin:0;padding:0;list-style:none;display:grid}.session-composition li{border-top:1px solid var(--line);gap:12px;padding:13px 10px 13px 0;display:flex}.session-composition li b{color:var(--coral);font-family:Georgia,serif;font-size:19px}.session-composition li p{gap:3px;margin:0;display:grid}.session-composition li strong{font-size:10px}.session-composition li small{color:var(--muted);font-size:8px}.text-import-card label,.ratio-dial label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;gap:5px;font-size:8px;font-weight:900;display:grid}.text-import-card input,.text-import-card textarea,.ratio-dial input{border:1px solid var(--line);background:var(--paper);width:100%;color:var(--ink);text-transform:none;letter-spacing:0;resize:vertical;padding:10px;font-size:11px}.home-session-composition{margin-top:22px}.home-session-composition ol{grid-template-columns:repeat(7,minmax(120px,1fr));overflow-x:auto}.home-session-composition li{padding-left:10px;transition:background .2s,border-color .2s}.home-session-composition li.is-next{border-color:var(--green);background:#edf5f1}.home-session-composition li.is-next b{color:var(--green)}.home-session-composition li.is-next strong:after{content:" · Next";color:var(--coral);letter-spacing:.08em;text-transform:uppercase;font-size:8px}.climbing-heading{grid-template-columns:1fr auto;align-items:end;gap:60px;display:grid}.coverage-threshold>span{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px;font-size:9px;font-weight:900;display:block}.coverage-threshold>div{border:1px solid var(--line);display:flex}.coverage-threshold button{border:0;border-right:1px solid var(--line);background:var(--white);cursor:pointer;padding:12px 16px;font-family:Georgia,serif;font-size:20px}.coverage-threshold button:last-child{border-right:0}.coverage-threshold button.is-active{background:var(--green);color:#fff}.coverage-threshold small{opacity:.65;text-transform:uppercase;letter-spacing:.08em;margin-top:3px;font-family:inherit;font-size:7px;display:block}.climbing-workspace{grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:18px;margin-top:36px;display:grid}.text-import-card,.coverage-result,.coverage-ladder,.reading-ramp{border:1px solid var(--line);background:var(--white)}.text-import-card{gap:13px;padding:22px;display:grid}.text-import-card textarea{font-family:Georgia,serif;font-size:15px;line-height:1.65}.text-import-card footer{justify-content:space-between;align-items:center;display:flex}.text-import-card footer span{color:var(--muted);font-size:9px}.text-import-card footer button,.coverage-actions button,.ratio-dial button{background:var(--green);color:#fff;cursor:pointer;border:0;padding:12px 14px;font-size:10px;font-weight:800}.text-import-card footer button b{color:var(--lime);margin-left:12px}.coverage-result{flex-direction:column;padding:26px;display:flex}.coverage-result>strong{margin:5px 0 13px;font-family:Georgia,serif;font-size:64px;font-weight:500}.coverage-meter{background:var(--paper-deep);height:8px;margin-bottom:28px;position:relative}.coverage-meter i{background:var(--coral);height:100%;transition:width .5s;display:block}.coverage-meter b{background:var(--ink);text-indent:3px;width:1px;height:18px;font-size:7px;position:absolute;top:-5px}.coverage-result h2{margin:0 0 8px;font-family:Georgia,serif;font-size:22px;font-weight:500}.coverage-result p{color:var(--muted);font-size:10px;line-height:1.55}.coverage-actions{gap:7px;margin-top:auto;padding-top:20px;display:grid}.coverage-actions button:last-child{color:var(--green);border:1px solid var(--line);background:0 0}.coverage-ladder{margin-top:18px;padding:24px}.coverage-ladder header{justify-content:space-between;align-items:end;gap:20px;display:flex}.coverage-ladder h2{margin:5px 0 0;font-family:Georgia,serif;font-size:25px;font-weight:500}.coverage-ladder header small{color:var(--muted);font-size:9px}.coverage-ladder>div{border-top:1px solid var(--line);grid-template-columns:repeat(4,1fr);margin-top:18px;display:grid}.coverage-ladder article{border-bottom:1px solid var(--line);grid-template-columns:24px 1fr;gap:7px;min-width:0;padding:12px 10px 12px 0;display:grid;position:relative}.coverage-ladder article>b{color:var(--coral);font-family:Georgia,serif;font-size:13px}.coverage-ladder article p{margin:0;display:grid}.coverage-ladder article strong{font-size:12px}.coverage-ladder article small{color:var(--muted);font-size:7px}.coverage-ladder article em{color:#61712d;grid-column:2;font-size:8px;font-style:normal}.reading-ramp{grid-template-columns:1fr 1fr;gap:60px;margin-top:18px;padding:28px;display:grid}.reading-ramp h2{margin:6px 0 8px;font-family:Georgia,serif;font-size:28px;font-weight:500}.reading-ramp p{max-width:560px;color:var(--muted);font-size:11px;line-height:1.6}.ratio-dial{gap:14px;display:grid}.ratio-dial label strong{color:var(--ink);font-size:19px}.ratio-dial button span{color:var(--lime);float:right}.learning-arc{border:1px solid var(--line);background:var(--white);margin-bottom:18px}.learning-arc>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:24px;padding:14px 18px;display:flex}.learning-arc>header div{gap:3px;display:grid}.learning-arc>header span{color:var(--coral);letter-spacing:.12em;text-transform:uppercase;font-size:8px;font-weight:900}.learning-arc>header strong{font-family:Georgia,serif;font-size:12px;font-weight:500}.learning-arc>header small{color:var(--muted);font-size:8px}.learning-arc ol{grid-template-columns:repeat(5,1fr);margin:0;padding:0;list-style:none;display:grid}.learning-arc li{border-right:1px solid var(--line);opacity:.45;gap:8px;padding:12px;display:flex}.learning-arc li:last-child{border-right:0}.learning-arc li.is-complete,.learning-arc li.is-current{opacity:1}.learning-arc li.is-current{background:#c8e45b24}.learning-arc li>b{color:var(--muted);font-family:Georgia,serif;font-size:12px}.learning-arc li>span{gap:2px;display:grid}.learning-arc li strong{font-size:10px}.learning-arc li small{color:var(--muted);font-size:7px}.arc-input{background:var(--paper);grid-template-columns:150px minmax(0,1fr) minmax(220px,.7fr);align-items:center;gap:20px;padding:17px 18px;display:grid}.arc-input>span,.transfer-prompt>span{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;font-size:8px;font-weight:900}.arc-input blockquote{margin:0;font-family:Georgia,serif;font-size:16px}.arc-input p{color:var(--muted);margin:0;font-size:9px;line-height:1.5}.transfer-prompt{border-left:3px solid var(--lime);background:var(--paper);gap:5px;margin:14px 0;padding:13px;display:grid}.transfer-prompt strong{font-family:Georgia,serif;font-size:13px;font-weight:500}.transfer-prompt small{color:var(--muted);font-size:8px;line-height:1.45}.detail-actions{grid-template-columns:1fr auto;gap:7px;margin:0 0 14px;display:grid}.detail-actions button{border:1px solid var(--green);background:var(--green);color:#fff;cursor:pointer;padding:10px;font-size:9px;font-weight:800}.detail-actions button:last-child{color:var(--green);background:0 0}.detail-actions button.is-starred{background:var(--lime);color:var(--green)}.metric-row{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(4,1fr);margin:46px 0 22px;display:grid}.metric{border-right:1px solid var(--line);grid-template-columns:auto 1fr;align-items:baseline;column-gap:10px;min-height:90px;padding:18px 22px;display:grid}.metric:last-child{border-right:0}.metric strong{letter-spacing:-.03em;font-family:Georgia,serif;font-size:30px;font-weight:500}.metric span{color:var(--muted);font-size:11px}.metric i{color:var(--muted);grid-column:1/-1;margin-top:4px;font-size:10px;font-style:normal}.metric i.trend{color:#4c7c3b}.metric i.warm{color:#b24f32}.compact-progress{align-items:center;gap:13px;display:flex}.compact-progress>div:last-child{grid-template-columns:auto auto;align-items:baseline;column-gap:8px;display:grid}.level-ring{border:5px solid var(--lime);border-right-color:var(--paper-deep);border-radius:50%;flex:none;place-items:center;width:46px;height:46px;font-size:11px;font-weight:800;display:grid}.graph-layout{grid-template-columns:minmax(0,1fr) 330px;gap:18px;display:grid}.graph-card,.node-panel,.teaching-card,.exercise-card,.chat-card,.chat-context{border:1px solid var(--line);background:#fffdf8ad;box-shadow:0 16px 40px #2d31260e}.card-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:64px;padding:0 18px 0 22px;font-size:12px;font-weight:700;display:flex}.card-toolbar small{color:var(--muted);margin-left:8px;font-weight:400}.live-dot{background:#7fa536;border-radius:50%;width:7px;height:7px;margin-right:8px;display:inline-block;box-shadow:0 0 0 4px #7fa53621}.filter-row{gap:5px;display:flex}.filter-row button{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:20px;padding:6px 9px;font-size:10px}.filter-row button.is-active{border-color:var(--line);background:var(--white);color:var(--ink)}.zero-banner{border-bottom:1px solid var(--line);background:#c8e45b29;justify-content:space-between;align-items:center;gap:18px;min-height:64px;padding:12px 18px 12px 22px;display:flex}.zero-banner>div{gap:3px;display:grid}.zero-banner>div span{color:#61712d;text-transform:uppercase;letter-spacing:.13em;font-size:8px;font-weight:800}.zero-banner>div strong{font-family:Georgia,serif;font-size:12px;font-weight:500}.zero-banner button{cursor:pointer;white-space:nowrap;background:0 0;border:0;font-size:10px;font-weight:800}.zero-banner button span{color:#61712d;margin-left:9px}.graph-canvas{background-image:radial-gradient(#17221d1a .7px,#0000 .7px);background-size:17px 17px;height:450px;position:relative;overflow:hidden}.graph-aura{filter:blur(1px);pointer-events:none;border-radius:50%;position:absolute}.aura-one{background:radial-gradient(circle,#c8e45b1a,#0000 68%);width:360px;height:360px;top:4%;left:29%}.aura-two{background:radial-gradient(circle,#6f9ee81a,#0000 68%);width:280px;height:280px;bottom:-18%;right:-4%}.graph-edge{transform-origin:0 0;z-index:1;background:#17221d4d;height:1px;transition:opacity .25s;position:absolute}.graph-edge:after{content:"";background:var(--paper);border:1px solid #17221d5c;border-radius:50%;width:4px;height:4px;position:absolute;top:-2px;right:36%}.graph-edge.is-muted{opacity:.08}.graph-node{--node-color:var(--blue);background:conic-gradient(var(--node-color) var(--mastery), #ffffffb8 0);cursor:pointer;z-index:3;filter:drop-shadow(0 7px 10px #17221d1a);border:0;border-radius:50%;width:78px;height:78px;padding:4px;transition:transform .22s,opacity .2s;position:absolute;transform:translate(-50%,-50%)}.graph-node:hover,.graph-node.is-selected{transform:translate(-50%,-50%)scale(1.1)}.graph-node.is-selected{box-shadow:0 0 0 6px #17221d12}.graph-node.is-muted{opacity:.14}.node-core{background:var(--white);text-align:center;border:1px solid #17221d14;border-radius:50%;place-content:center;width:100%;height:100%;padding:6px;display:grid}.node-core b{font-family:Georgia,serif;font-size:11px;font-weight:600;line-height:1.05}.node-core small{color:var(--muted);margin-top:5px;font-size:8px}.graph-node.is-grammar,.type-pill.is-grammar{--node-color:var(--coral)}.graph-node.is-vocabulary,.type-pill.is-vocabulary{--node-color:var(--blue)}.graph-node.is-pronunciation,.type-pill.is-pronunciation{--node-color:var(--purple)}.graph-node.is-pragmatics,.type-pill.is-pragmatics{--node-color:var(--yellow)}.graph-node.is-phrase,.type-pill.is-phrase{--node-color:var(--lime)}.graph-legend{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffdf8cc;border-radius:4px;gap:14px;padding:7px 10px;display:flex;position:absolute;bottom:14px;left:18px}.graph-legend span{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);align-items:center;gap:5px;font-size:8px;display:flex}.legend-dot{border-radius:50%;flex:none;width:7px;height:7px;display:inline-block}.legend-dot.grammar{background:var(--coral)}.legend-dot.vocabulary{background:var(--blue)}.legend-dot.pronunciation{background:var(--purple)}.legend-dot.pragmatics{background:var(--yellow)}.legend-dot.phrase{background:var(--lime)}.node-panel{flex-direction:column;padding:24px;display:flex}.panel-topline{color:var(--muted);justify-content:space-between;align-items:center;font-size:10px;display:flex}.type-pill{background:var(--node-color)}@supports (color:color-mix(in lab, red, red)){.type-pill{background:color-mix(in srgb, var(--node-color) 18%, transparent)}}.type-pill{color:var(--ink);text-transform:uppercase;letter-spacing:.08em;border-radius:20px;padding:6px 9px;font-weight:800}.node-panel h2{letter-spacing:-.025em;margin:25px 0 12px;font-family:Georgia,serif;font-size:31px;line-height:1.05}.node-panel>p{color:var(--muted);margin:0 0 20px;font-size:12px;line-height:1.55}.example-block{background:var(--paper);border-left:3px solid var(--lime);gap:7px;padding:14px;display:grid}.example-block span,.mastery-block span,.relationship-list>span,.target-nodes>span,.try-prompts>span{text-transform:uppercase;letter-spacing:.13em;color:var(--muted);font-size:9px;font-weight:800}.example-block strong{font-family:Georgia,serif;font-size:13px;font-weight:500}.mastery-block{margin:22px 0}.mastery-block>div:first-child{justify-content:space-between;align-items:baseline;display:flex}.mastery-block strong{font-family:Georgia,serif;font-size:25px;font-weight:500}.mastery-block small{color:var(--muted);font-size:9px}.mastery-track{background:var(--paper-deep);border-radius:10px;height:5px;margin:8px 0;overflow:hidden}.mastery-track i{background:var(--green);border-radius:10px;height:100%;transition:width .5s;display:block}.panel-action{background:var(--green);color:#fff;cursor:pointer;border:0;justify-content:space-between;padding:13px 14px;font-size:11px;font-weight:700;display:flex}.panel-action span{color:var(--lime)}.relationship-list{margin-top:24px;display:grid}.relationship-list>span{margin-bottom:8px}.relationship-list button{border:0;border-top:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;padding:10px 0;font-size:10px;display:grid}.explorer-zero{border:1px solid var(--line);margin:0 0 12px}.explorer-card{border:1px solid var(--line);background:#fffdf8c2;overflow:hidden;box-shadow:0 20px 50px #2d312611}.explorer-intro{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:18px;min-height:66px;padding:14px 20px;display:flex}.explorer-intro>div:first-child{align-items:center;gap:8px;display:flex}.explorer-intro strong{font-size:12px}.explorer-intro small{color:var(--muted);margin-left:5px;font-size:10px}.display-toggle{background:var(--paper-deep);border-radius:24px;padding:3px;display:flex}.display-toggle button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:20px;padding:7px 11px;font-size:10px}.display-toggle button.is-active{background:var(--white);color:var(--ink);font-weight:800;box-shadow:0 2px 6px #17221d14}.explorer-query-area{border-bottom:1px solid var(--line);background:#f5f1e88a;padding:18px 20px}.preset-row{flex-wrap:wrap;gap:7px;margin-bottom:12px;display:flex}.preset-row button{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:0 0;border-radius:20px;padding:7px 11px;font-size:9px}.preset-row button:hover,.preset-row button.is-active{border-color:var(--green);background:var(--green);color:#fff}.graph-query-box{background:var(--white);border:1px solid var(--line);grid-template-columns:160px 1fr auto;align-items:center;gap:14px;padding:12px;display:grid;box-shadow:0 6px 18px #17221d0a}.graph-query-box>div{border-right:1px solid var(--line);gap:4px;display:grid}.graph-query-box>div span{color:#61712d;letter-spacing:.15em;font-size:8px;font-weight:900}.graph-query-box>div strong{font-family:Georgia,serif;font-size:13px;font-weight:500}.graph-query-box textarea{resize:vertical;min-height:46px;color:var(--ink);background:0 0;border:0;padding:5px 8px;font-family:Georgia,serif;font-size:14px;line-height:1.4}.graph-query-box button{background:var(--green);color:#fff;cursor:pointer;white-space:nowrap;border:0;min-height:42px;padding:0 13px;font-size:10px;font-weight:800}.graph-query-box button b{color:var(--lime);margin-left:12px;font-size:15px}.graph-query-box button:disabled{opacity:.45;cursor:wait}.explorer-error{color:#a14432;margin:10px 0 0;font-size:10px}.query-summary{border-bottom:1px solid var(--line);justify-content:space-between;align-items:end;gap:20px;padding:17px 20px;display:flex}.query-summary>div:first-child>span{color:#5c7e2d;text-transform:uppercase;letter-spacing:.14em;font-size:8px;font-weight:900}.query-summary h2{margin:4px 0 2px;font-family:Georgia,serif;font-size:23px;font-weight:500}.query-summary p{color:var(--muted);margin:0;font-size:10px}.query-tags{flex-wrap:wrap;justify-content:flex-end;gap:5px;display:flex}.query-tags span{background:var(--paper);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;border-radius:14px;padding:5px 8px;font-size:8px}.explorer-results{grid-template-columns:minmax(0,1fr);display:grid}.result-main{min-width:0}.result-toolbar{border-bottom:1px solid var(--line);min-height:43px;color:var(--muted);align-items:center;gap:9px;padding:0 16px;font-size:9px;display:flex}.result-toolbar strong{color:var(--ink);font-size:10px}.result-toolbar small{margin-left:auto}.canvas-wrap{background:radial-gradient(circle at 50% 45%,#c8e45b1f,#0000 38%),radial-gradient(#17221d1b .65px,#0000 .65px) 0 0/18px 18px;min-height:590px;position:relative;overflow:hidden}.full-graph-canvas{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:590px;display:block}.full-graph-canvas.is-panning{cursor:grabbing}.graph-viewport-controls{z-index:3;border:1px solid var(--line);background:var(--white);grid-template-columns:32px 52px 32px 32px;display:grid;position:absolute;top:14px;right:15px;box-shadow:0 6px 18px #17221d1f}.graph-viewport-controls button{border:0;border-right:1px solid var(--line);background:var(--white);width:32px;height:32px;color:var(--ink);cursor:pointer;font-size:15px;font-weight:900}.graph-viewport-controls button:last-child{border-right:0;border-left:1px solid var(--line)}.graph-viewport-controls button:hover{background:var(--lime)}.graph-viewport-controls span{min-width:52px;color:var(--muted);place-items:center;font-size:8px;font-weight:900;display:grid}.graph-gesture-hint{z-index:2;border:1px solid var(--line);color:var(--muted);text-transform:uppercase;letter-spacing:.05em;pointer-events:none;background:#fffdf8e0;padding:7px 9px;font-size:8px;position:absolute;bottom:14px;right:15px}.graph-gesture-hint span{color:var(--coral);font-size:11px}.graph-loading{height:590px;color:var(--muted);place-items:center;font-family:Georgia,serif;display:grid}.canvas-legend{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffdf8d1;gap:12px;padding:7px 9px;display:flex;position:absolute;bottom:14px;left:15px}.canvas-legend span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:5px;font-size:8px;display:flex}.canvas-legend i{border-radius:50%;width:7px;height:7px}.dictionary-entry{margin:10px 0 16px}.dictionary-meaning{font-family:var(--font-serif);color:var(--ink)!important;margin:0 0 8px!important;font-size:20px!important;line-height:1.25!important}.dictionary-meta{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.dictionary-meta span{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:4px 7px;font-size:10px}.dictionary-example,.dictionary-forms{border-top:1px solid var(--line);padding-top:12px}.dictionary-usage{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}.dictionary-usage>span{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;font-size:9px;font-weight:700;display:block}.dictionary-usage p{color:var(--ink)!important;margin:0!important;font-size:11px!important;line-height:1.55!important}.dictionary-example>span,.dictionary-forms>span{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:7px;font-size:9px;font-weight:700;display:block}.dictionary-example strong{color:var(--ink);font-family:var(--font-serif);font-size:16px;line-height:1.35;display:block}.dictionary-example p{color:var(--muted)!important;margin:4px 0 0!important;font-size:11px!important}.dictionary-forms{margin-top:12px}.dictionary-forms>div{grid-template-columns:1fr 1fr;gap:7px;display:grid}.dictionary-forms article{border:1px solid var(--line);background:var(--paper);min-width:0;padding:8px}.dictionary-forms article small{color:var(--muted);margin-bottom:3px;font-size:8px;display:block}.dictionary-forms article strong{color:var(--ink);font-size:11px;line-height:1.3;display:block}.dictionary-forms article p{color:var(--muted)!important;margin:3px 0 0!important;font-size:8px!important;line-height:1.35!important}.explorer-detail{border-left:1px solid var(--line);background:var(--white);padding:24px 21px;position:relative}.detail-close{color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:22px;position:absolute;top:12px;right:14px}.detail-type{background:var(--paper);color:var(--muted);text-transform:uppercase;letter-spacing:.1em;border-radius:16px;padding:5px 8px;font-size:8px;display:inline-block}.explorer-detail h3{margin:20px 0 10px;font-family:Georgia,serif;font-size:26px;font-weight:500;line-height:1.08}.explorer-detail>p{color:var(--muted);font-family:Georgia,serif;font-size:13px;line-height:1.55}.explorer-detail dl{margin:24px 0}.explorer-detail dl div{border-top:1px solid var(--line);justify-content:space-between;gap:12px;padding:9px 0;font-size:9px;display:flex}.explorer-detail dt{color:var(--muted)}.explorer-detail dd{margin:0;font-weight:800}.explorer-detail>code{overflow-wrap:anywhere;color:var(--muted);font-size:8px;display:block}.detail-audio{border-top:1px solid var(--line);gap:9px;margin-top:21px;padding-top:17px;display:grid}.detail-audio>span{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;font-size:8px;font-weight:800}.detail-audio>p{color:var(--muted);margin:0;font-family:Georgia,serif;font-size:12px;line-height:1.45}.audio-clip-list{gap:6px;display:grid}.audio-clip{border:1px solid var(--line);background:var(--paper);width:100%;color:var(--ink);cursor:pointer;text-align:left;grid-template-columns:18px 1fr auto;align-items:center;gap:7px;padding:8px 9px;display:grid}.audio-clip:hover,.audio-clip.is-playing{border-color:var(--green);background:#f4f8e9}.audio-clip>span{color:var(--green);font-size:10px}.audio-clip>div{gap:3px;min-width:0;display:grid}.audio-clip strong{font-family:Georgia,serif;font-size:13px;font-weight:500}.audio-clip small,.audio-disclosure{color:var(--muted);font-size:8px}.audio-clip small{text-transform:none;letter-spacing:0;line-height:1.35}.audio-clip em{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:8px;font-style:normal}.audio-disclosure{line-height:1.4}.graph-table-wrap{background:var(--white);min-height:590px;overflow-x:auto}.graph-table{border-collapse:collapse;width:100%;min-width:1380px;font-size:10px}.graph-table th{text-align:left;background:var(--paper);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;padding:11px 14px;font-size:8px}.graph-table td{border-top:1px solid var(--line);cursor:pointer;padding:10px 14px}.graph-table td:first-child{min-width:240px}.graph-table td strong{font-family:Georgia,serif;font-size:12px;font-weight:500;display:block}.graph-table td small{color:var(--muted);margin-top:2px;font-size:7px;display:block}.graph-node-explanation{min-width:300px;max-width:420px;color:var(--muted);font-size:9px;line-height:1.5}.graph-node-grapheme{min-width:170px;max-width:240px}.graph-node-grapheme strong{font-size:14px;line-height:1.35}.graph-node-grapheme small{margin-top:4px!important}.graph-node-grapheme>span{color:var(--muted)}.graph-node-sound-examples{min-width:190px}.sound-example-list{flex-wrap:wrap;gap:6px;display:flex}.sound-example-word{border:1px solid var(--line);background:var(--paper);color:var(--ink);white-space:nowrap;border-radius:999px;padding:6px 9px;font-size:13px}.sound-example-word strong{color:var(--green);font-family:inherit!important;font-size:inherit!important;font-weight:900!important;display:inline!important}.sound-example-empty{color:var(--muted);font-size:9px}.graph-node-pronunciation{min-width:145px}.graph-node-pronunciation>button{border:1px solid var(--line);background:var(--paper);text-align:left;min-width:116px;color:var(--ink);cursor:pointer;grid-template-columns:20px 1fr;align-items:center;gap:1px 7px;padding:7px 8px;display:grid}.graph-node-pronunciation>button:hover,.graph-node-pronunciation>button.is-playing{border-color:var(--green);background:#c8e45b33}.graph-node-pronunciation>button>span{background:var(--green);width:20px;height:20px;color:var(--lime);grid-row:1/3;place-items:center;font-size:8px;display:grid}.graph-node-pronunciation>button strong{font-family:inherit;font-size:8px;font-weight:900}.graph-node-pronunciation>button small,.graph-node-pronunciation>span small{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:6px;display:block}.graph-node-pronunciation>span{color:var(--muted);font-size:8px}.sound-view-note{border-bottom:1px solid var(--line);min-height:54px;color:var(--muted);background:#f5f8ee;align-items:center;gap:10px;padding:12px 16px;font-size:11px;line-height:1.45;display:flex}.sound-view-note strong{color:var(--green);white-space:nowrap}.sound-view-note a{color:var(--green)}.detail-phoneme-sound{background:#edf5f1;border:1px solid #b9d2c7;border-radius:9px;gap:9px;margin-top:21px;padding:16px;display:grid}.detail-phoneme-sound>span{color:var(--green);letter-spacing:.1em;text-transform:uppercase;font-size:8px;font-weight:850}.detail-phoneme-sound>button{background:var(--green);color:#fff;cursor:pointer;text-align:left;border:0;border-radius:7px;align-items:center;gap:9px;min-height:38px;padding:8px 10px;display:flex}.detail-phoneme-sound>button>span{background:#ffffff2e;border-radius:5px;place-items:center;width:20px;height:20px;font-size:8px;display:grid}.detail-phoneme-sound>button strong{font-size:11px}.detail-phoneme-sound>p{color:var(--muted);margin:0;font-size:10px;line-height:1.45}.detail-phoneme-sound>small{color:var(--muted);font-size:8px;line-height:1.4}.detail-phoneme-sound>small a{color:var(--green)}.table-pagination{border-top:1px solid var(--line);justify-content:center;align-items:center;gap:18px;min-height:52px;font-size:9px;display:flex}.table-pagination button{border:1px solid var(--line);background:var(--paper);cursor:pointer;padding:7px 9px;font-size:9px}.table-pagination button:disabled{opacity:.35}.cypher-panel{border-top:1px solid var(--line);color:#edf2e2;background:#15221c}.cypher-panel summary{cursor:pointer;align-items:center;min-height:48px;padding:0 18px;list-style:none;display:flex}.cypher-panel summary::-webkit-details-marker{display:none}.cypher-panel summary span{font-size:10px;font-weight:800}.cypher-panel summary small{color:#edf2e27a;margin-left:9px;font-size:8px}.cypher-panel summary:after{content:"+";color:var(--lime);margin-left:auto;font-size:17px}.cypher-panel[open] summary:after{content:"−"}.cypher-panel>div{border-top:1px solid #ffffff1a;grid-template-columns:1fr 280px;display:grid}.cypher-panel pre{color:#dce8c0;margin:0;padding:18px;font-size:10px;line-height:1.55;overflow-x:auto}.cypher-params{border-left:1px solid #ffffff1a;align-content:start;gap:8px;padding:18px;display:grid}.cypher-params span{color:#edf2e27a;text-transform:uppercase;letter-spacing:.1em;font-size:8px}.cypher-params code{white-space:pre-wrap;color:#dce8c0;font-size:9px}.lesson-progress{height:18px;margin:-26px 0 32px;position:relative}.lesson-progress:before{content:"";background:var(--paper-deep);height:2px;position:absolute;top:7px;left:0;right:0}.lesson-progress>span{background:var(--green);height:2px;transition:width .5s;position:absolute;top:7px;left:0}.lesson-progress small{background:var(--paper);color:var(--muted);padding-left:10px;font-size:9px;position:absolute;top:0;right:0}.lesson-header{grid-template-columns:1fr auto 1fr;align-items:end;margin-bottom:35px;display:grid}.lesson-header>div{text-align:center}.lesson-header h1{font-size:clamp(40px,4.8vw,66px);line-height:.95}.lesson-header>div>p:last-child{color:var(--muted);margin:10px 0 0;font-size:13px}.back-button,.shuffle-button{cursor:pointer;color:var(--muted);background:0 0;border:0;width:max-content;padding:8px 0;font-size:11px}.back-button span{margin-left:6px}.shuffle-button{justify-self:end}.shuffle-button:disabled{opacity:.45;cursor:wait}.generation-note{border:1px solid var(--line);background:#c8e45b1a;justify-content:center;align-items:center;gap:10px;max-width:760px;margin:-20px auto 20px;padding:10px 14px;display:flex}.generation-note span{color:#587229;text-transform:uppercase;letter-spacing:.12em;font-size:8px;font-weight:900}.generation-note p{color:var(--muted);margin:0;font-size:9px}.graph-grounding{border:1px solid var(--line);background:#6f9ee80f;grid-template-columns:minmax(190px,.7fr) 1.3fr;align-items:center;gap:18px;margin:-18px 0 18px;padding:14px 16px;display:grid}.graph-grounding>div:first-child>span{color:#4f7ec7;text-transform:uppercase;letter-spacing:.13em;font-size:8px;font-weight:900}.graph-grounding p{color:var(--muted);margin:5px 0 0;font-size:10px;line-height:1.45}.graph-evidence-list{flex-wrap:wrap;justify-content:flex-end;gap:7px;display:flex}.graph-evidence-list>span{border:1px solid var(--line);background:var(--white);align-items:center;gap:6px;padding:7px 9px;font-size:9px;display:flex}.graph-evidence-list b{font-weight:750}.graph-evidence-list button{color:var(--ink);font:inherit;cursor:pointer;text-align:left;background:0 0;border:0;padding:0;font-weight:750}.graph-evidence-list button:hover{color:#4f7ec7;text-underline-offset:2px;text-decoration:underline}.graph-evidence-list i{color:#4f7ec7;font-size:8px;font-style:normal}.learn-page.is-generating .lesson-grid{opacity:.18;filter:grayscale(.6);pointer-events:none}.lesson-grid{grid-template-columns:.82fr 1.18fr;align-items:stretch;gap:18px;display:grid}.lesson-grid.is-review-collapsed{grid-template-columns:minmax(240px,.42fr) minmax(0,1.58fr);align-items:start}.teaching-card,.exercise-card{min-height:540px;padding:34px}.review-teaching-card.is-collapsed{min-height:0;padding:18px}.review-lesson-toggle{text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:5px 12px;width:100%;padding:0;display:grid}.review-lesson-toggle .section-number{grid-column:1;margin-bottom:10px}.review-lesson-toggle strong{grid-column:1;font-size:17px}.review-lesson-toggle small{color:var(--muted);grid-column:1;font-size:10px;line-height:1.4}.review-lesson-toggle i{border:1px solid var(--line);width:30px;height:30px;color:var(--green);border-radius:50%;grid-area:1/2/span 3;place-items:center;font-size:17px;font-style:normal;display:grid}.review-lesson-content{margin-top:22px}.section-number{text-transform:uppercase;letter-spacing:.15em;color:var(--muted);font-size:9px;font-weight:800}.teaching-card h2{margin:32px 0 18px;font-family:Georgia,serif;font-size:31px;font-weight:500;line-height:1.1}.teaching-card>p,.teaching-card-content>p,.review-lesson-content>p{color:#465048;font-family:Georgia,serif;font-size:17px;line-height:1.63}.worked-example{background:var(--green);color:#fff;gap:10px;margin:26px 0;padding:20px;display:grid}.worked-example span{color:var(--lime);text-transform:uppercase;letter-spacing:.13em;font-size:9px}.worked-example ol{gap:0;margin:0;padding:0;list-style:none;display:grid}.worked-example li{border-top:1px solid #ffffff2e;grid-template-columns:28px 1fr;align-items:baseline;gap:8px;padding:9px 0;display:grid}.worked-example li:first-child{border-top:0}.worked-example li b{color:var(--lime);letter-spacing:.08em;font-size:9px}.worked-example strong{font-family:Georgia,serif;font-size:15px;font-weight:500;line-height:1.5}.target-nodes{gap:0;margin-top:24px;display:grid}.target-nodes>span{margin-bottom:7px}.target-nodes button{border:0;border-top:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;padding:11px 0;font-size:11px;display:grid}.target-nodes small{color:var(--muted)}.exercise-card{background:var(--white)}.exercise-eyebrow{color:var(--coral);text-transform:uppercase;letter-spacing:.13em;margin:43px 0 10px;font-size:9px;font-weight:800}.exercise-card h2{letter-spacing:-.025em;margin:0;font-family:Georgia,serif;font-size:34px;font-weight:500}.exercise-context{color:var(--muted);margin:11px 0 25px;font-size:11px}.choice-list{grid-template-columns:1fr 1fr;gap:10px;display:grid}.choice-list button{border:1px solid var(--line);background:var(--paper);text-align:left;cursor:pointer;grid-template-columns:29px 1fr auto;align-items:center;gap:10px;min-height:60px;padding:10px 14px;font-size:13px;transition:all .18s;display:grid}.choice-list button:hover,.choice-list button.is-selected{border-color:var(--green);background:#f8f8e9}.choice-list button>span{border:1px solid var(--line);border-radius:50%;place-items:center;width:29px;height:29px;font-size:9px;display:grid}.choice-list button.is-correct{background:#eff4df;border-color:#739741}.choice-list button.is-wrong{background:#fae7df;border-color:#c66c51}.choice-list button i{font-size:18px;font-style:normal}.typed-answer{gap:9px;display:grid}.typed-answer label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:800}.typed-answer>div{border:1px solid var(--line);background:var(--paper);grid-template-columns:1fr 46px;transition:all .18s;display:grid}.typed-answer:focus-within>div{border-color:var(--green);background:#f8f8e9;box-shadow:0 0 0 3px #173f320f}.typed-answer input{min-width:0;color:var(--ink);background:0 0;border:0;outline:0;padding:18px;font:500 16px/1.4 Georgia,serif}.typed-answer>div>span{border-left:1px solid var(--line);color:var(--muted);place-items:center;font-size:10px;font-weight:800;display:grid}.typed-answer.is-correct>div{background:#eff4df;border-color:#739741}.typed-answer.is-wrong>div{background:#fae7df;border-color:#c66c51}.typed-answer.is-correct>div>span{color:#56752b;font-size:18px}.typed-answer.is-wrong>div>span{color:#a44d37;font-size:18px}.typed-answer small{color:var(--muted);font-size:11px}.pronunciation-recorder{gap:14px;display:grid}.pronunciation-target{border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);background:#eeeee2;gap:7px;padding:18px;display:grid}.pronunciation-target span{color:var(--green);letter-spacing:.09em;text-transform:uppercase;font-size:10px;font-weight:850}.pronunciation-target strong{font-size:30px;line-height:1.1}.pronunciation-target small{color:var(--muted);font-size:11px;line-height:1.45}.record-button{border:2px solid var(--ink);background:var(--lime);min-height:54px;color:var(--ink);box-shadow:4px 4px 0 var(--ink);font:inherit;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;justify-content:center;align-items:center;gap:10px;font-size:12px;font-weight:850;display:flex}.record-button:hover:not(:disabled){box-shadow:2px 2px 0 var(--ink);transform:translate(2px,2px)}.record-button:disabled{opacity:.55;cursor:wait}.record-button i{background:var(--coral);border-radius:50%;width:13px;height:13px;display:block;box-shadow:0 0 0 4px #df6b502e}.record-button.is-recording{background:#f4d9d7}.record-button.is-recording i{border-radius:1px;animation:1s ease-in-out infinite recording-pulse}.recording-privacy,.recorder-error{color:var(--muted);margin:0;font-size:10px;line-height:1.45}.recorder-error{border-left:4px solid var(--coral);color:var(--ink);background:#f4d9d7;padding:10px}.sr-only{clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.exercise-material{border-left:3px solid var(--green);background:#173f320d;gap:7px;margin:2px 0 12px;padding:13px 15px;display:grid}.exercise-material span{color:var(--muted);letter-spacing:.07em;text-transform:uppercase;font-size:10px;font-weight:800}.exercise-material strong{color:var(--ink);font:600 16px/1.45 Georgia,serif}.minimal-pair-player{border:1px solid var(--line);background:#e8f2ed;border-radius:10px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;margin:4px 0 16px;padding:16px;display:grid}.minimal-pair-player>div{gap:3px;display:grid}.minimal-pair-player span{color:var(--green);letter-spacing:.08em;text-transform:uppercase;font-size:9px;font-weight:900}.minimal-pair-player strong{font:500 17px/1.3 Georgia,serif}.minimal-pair-player small{color:var(--muted);font-size:9px;line-height:1.4}.minimal-pair-player button{border:1px solid var(--ink);background:var(--green);color:#fff;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:9px;min-width:132px;padding:12px 14px;display:flex}.minimal-pair-player button:hover:not(:disabled),.minimal-pair-player button:focus-visible{background:#245747}.minimal-pair-player button:disabled{cursor:wait;opacity:.65}.minimal-pair-player button i{border:1px solid;border-radius:50%;place-items:center;width:24px;height:24px;font-size:9px;font-style:normal;display:grid}.minimal-pair-player button b{font-size:10px}.minimal-pair-player>p{color:#9d3f2f;grid-column:1/-1;margin:0;font-size:10px}.sentence-order-answer{gap:9px;display:grid}.sentence-order-answer>label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:800}.ordered-sentence{border:1px solid var(--line);background:var(--paper);min-height:54px;color:var(--ink);padding:15px;font:600 16px/1.4 Georgia,serif}.sentence-tokens{flex-wrap:wrap;gap:7px;display:flex}.sentence-tokens button,.sentence-order-tools button{border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;padding:8px 11px;font-weight:700}.sentence-tokens button:disabled{opacity:.28;cursor:default}.sentence-order-tools{gap:7px;display:flex}.sentence-order-answer.is-correct .ordered-sentence{background:#eff4df;border-color:#739741}.sentence-order-answer.is-wrong .ordered-sentence{background:#fae7df;border-color:#c66c51}.submit-button{justify-content:center;align-items:center;width:100%;margin-top:26px;display:flex}.submit-button:disabled{opacity:.35;cursor:not-allowed}.result-box{background:#eff4df;border-left:3px solid #739741;margin-top:22px;padding:18px;animation:.35s both result-in}.result-box.is-wrong{background:#fae7df;border-color:#c66c51}.result-box.is-unscored{background:#f3f0df;border-color:#c5b66c}@keyframes result-in{0%{opacity:0;transform:translateY(8px)}}@keyframes recording-pulse{50%{opacity:.45;transform:scale(.82)}}.result-box>div{justify-content:space-between;display:flex}.result-box strong{font-family:Georgia,serif;font-size:17px}.result-box span,.result-box p{color:var(--muted);font-size:10px}.result-box p{line-height:1.5}.result-box button{cursor:pointer;background:0 0;border:0;padding:5px 0 0;font-size:10px;font-weight:800}.result-box button span{color:inherit;margin-left:7px}.textbook-page{padding-top:52px}.textbook-heading{grid-template-columns:1fr auto;align-items:end;gap:40px;display:grid}.textbook-heading h1{font-size:clamp(44px,5.2vw,72px);line-height:.95}.textbook-summary{border-top:1px solid var(--ink);grid-template-columns:auto 1fr;align-items:baseline;column-gap:10px;width:225px;padding:18px 0 4px;display:grid}.textbook-summary strong{font-family:Georgia,serif;font-size:38px;font-weight:500}.textbook-summary span{color:var(--muted);font-size:10px}.textbook-summary p{color:var(--muted);grid-column:1/-1;font:12px/1.55 Georgia,serif}.textbook-start-button{background:var(--green);color:#fff;cursor:pointer;border:0;grid-column:1/-1;justify-content:space-between;padding:11px 12px;font-size:9px;font-weight:800;display:flex}.textbook-start-button span{color:var(--lime)}.textbook-view-tabs{border:1px solid var(--line);background:#fffdf8ad;grid-template-columns:1fr 1fr;margin-top:34px;display:grid}.textbook-view-tabs button{color:var(--muted);text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:32px auto 1fr;align-items:center;gap:10px;padding:16px 18px;display:grid}.textbook-view-tabs button+button{border-left:1px solid var(--line)}.textbook-view-tabs button.is-active{background:var(--green);color:#fff}.textbook-view-tabs button>span{color:var(--coral);font:17px Georgia,serif}.textbook-view-tabs button.is-active>span{color:var(--lime)}.textbook-view-tabs strong{font:500 18px Georgia,serif}.textbook-view-tabs small{opacity:.68;justify-self:end;font-size:9px}.textbook-tools{border:1px solid var(--line);background:#fffdf8ad;grid-template-columns:minmax(230px,.7fr) 1.3fr;align-items:end;gap:20px;margin:34px 0 18px;padding:15px;display:grid}.textbook-tools label{gap:7px;display:grid}.textbook-tools label>span{color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-size:8px;font-weight:800}.textbook-tools input{border:0;border-bottom:1px solid var(--line);background:0 0;outline:0;padding:8px 0;font:14px Georgia,serif}.textbook-tools input:focus{border-color:var(--green)}.textbook-domains{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.textbook-domains button{border:1px solid var(--line);background:var(--paper);color:var(--muted);cursor:pointer;padding:7px 9px;font-size:9px}.textbook-domains button.is-active{border-color:var(--green);background:var(--green);color:#fff}.textbook-layout{border:1px solid var(--line);background:#fffdf8ad;grid-template-columns:330px minmax(0,1fr);min-height:690px;display:grid}.textbook-index{border-right:1px solid var(--line);max-height:820px;overflow-y:auto}.textbook-index>button{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-columns:30px 1fr auto;gap:10px;width:100%;padding:16px;display:grid}.textbook-index>button:hover,.textbook-index>button.is-active{background:var(--white)}.textbook-index>button.is-active{box-shadow:inset 3px 0 var(--green)}.textbook-index>button>span{color:var(--coral);font:17px Georgia,serif}.textbook-index div{gap:4px;min-width:0;display:grid}.textbook-index small{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:8px}.textbook-index strong{font:500 15px/1.15 Georgia,serif}.textbook-index p{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:9px;overflow:hidden}.textbook-index i{color:#739741;font-style:normal}.textbook-entry{background:var(--white);padding:clamp(26px,4vw,58px)}.textbook-entry>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:26px;display:flex}.textbook-entry>header span,.textbook-entry section>span,.textbook-entry footer>span{color:var(--muted);text-transform:uppercase;letter-spacing:.13em;font-size:8px;font-weight:850}.textbook-entry h2{margin:8px 0 4px;font:500 clamp(34px,4vw,52px)/1 Georgia,serif}.textbook-entry>header p{color:var(--muted);margin:0;font-size:12px}.textbook-entry>header>b{color:#56752b;text-transform:uppercase;letter-spacing:.08em;background:#eff4df;padding:7px 10px;font-size:9px}.textbook-entry>header>b.needs-review{color:#a44d37;background:#fae7df}.textbook-chapter{padding:30px 0}.textbook-chapter h3,.textbook-exercise h3{margin:10px 0 12px;font:500 25px/1.2 Georgia,serif}.textbook-chapter>p{color:#465048;font:16px/1.7 Georgia,serif}.textbook-chapter blockquote{border-left:3px solid var(--lime);background:var(--green);color:#fff;margin:24px 0 0;padding:18px 20px;font:15px/1.5 Georgia,serif}.textbook-chapter blockquote small{color:var(--lime);text-transform:uppercase;letter-spacing:.12em;margin-bottom:7px;font:8px sans-serif;display:block}.textbook-exercise{border:1px solid var(--line);background:var(--paper);padding:28px}.textbook-exercise>p{color:var(--muted);font-size:10px}.textbook-choices{flex-wrap:wrap;gap:7px;margin:16px 0;display:flex}.textbook-choices span{border:1px solid var(--line);background:var(--white);padding:7px 9px;font-size:10px}.textbook-choices span.is-answer{background:#eff4df;border-color:#739741}.textbook-exercise dl{background:var(--line);grid-template-columns:1fr 1fr;gap:1px;margin:20px 0;display:grid}.textbook-exercise dl>div{background:var(--white);padding:13px}.textbook-exercise dt{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:8px}.textbook-exercise dd{margin:6px 0 0;font:14px Georgia,serif}.textbook-explanation{color:#465048!important;margin:0!important;font:13px/1.55 Georgia,serif!important}.textbook-exercise.standalone{margin-top:30px}.exercise-graph-link{border:1px solid var(--line);width:100%;color:var(--ink);cursor:pointer;background:0 0;justify-content:space-between;margin-top:14px;padding:13px 15px;font-size:10px;font-weight:800;display:flex}.exercise-graph-link:hover{border-color:var(--green);background:#f8f8e9}.textbook-entry footer{margin-top:30px}.textbook-entry footer>div{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));margin-top:8px;display:grid}.textbook-entry footer button{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;padding:11px 0;display:grid}.textbook-entry footer button:nth-child(odd){padding-right:15px}.textbook-entry footer button:nth-child(2n){border-left:1px solid var(--line);padding-left:15px}.textbook-entry footer small{color:var(--muted);font-size:8px}.textbook-empty{border:1px solid var(--line);background:var(--white);text-align:center;align-content:center;place-items:center;min-height:430px;padding:40px;display:grid}.textbook-empty>span{color:var(--coral);font-size:34px}.textbook-empty h2{max-width:520px;margin:15px 0 7px;font:500 30px Georgia,serif}.textbook-empty p{max-width:440px;color:var(--muted);font:13px/1.55 Georgia,serif}.textbook-empty .primary-button{margin-top:12px}.archive-page{padding-top:52px}.archive-heading{grid-template-columns:1fr minmax(430px,.72fr);align-items:end;gap:60px;display:grid}.archive-heading h1{letter-spacing:-.045em;margin:0;font:500 clamp(48px,5.2vw,74px)/.94 Georgia,serif}.archive-heading h1 em{color:var(--green);font-weight:400}.archive-heading>div:first-child>p:last-child{max-width:660px;color:var(--muted);margin:17px 0 0;font:14px/1.55 Georgia,serif}.archive-metrics{border-top:1px solid var(--ink);border-left:1px solid var(--line);grid-template-columns:1fr 1fr;display:grid}.archive-metrics>div{border-right:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:auto 1fr;align-items:baseline;gap:8px;min-height:78px;padding:14px 17px;display:grid}.archive-metrics strong{font:500 27px Georgia,serif}.archive-metrics span{color:var(--muted);font-size:9px}.archive-toolbar{border:1px solid var(--line);background:#fffdf8b3;justify-content:space-between;align-items:center;gap:20px;margin:36px 0 18px;padding:10px;display:flex}.archive-toolbar>div{gap:5px;display:flex}.archive-toolbar button{color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;padding:8px 12px;font-size:9px}.archive-toolbar button.is-active{border-color:var(--green);background:var(--green);color:#fff}.archive-toolbar>span{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:8px}.archive-timeline{max-width:1020px;margin:0 auto}.archive-timeline>article{grid-template-columns:54px 1fr;display:grid}.archive-marker{align-content:start;justify-items:center;padding-top:24px;display:grid;position:relative}.archive-marker:after{content:"";background:var(--line);width:1px;position:absolute;top:54px;bottom:0}.archive-timeline>article:last-child .archive-marker:after{display:none}.archive-marker span{z-index:1;background:var(--paper);border:1px solid var(--ink);border-radius:50%;place-items:center;width:31px;height:31px;font:9px Georgia,serif;display:grid;position:relative}.archive-marker i{background:var(--coral);z-index:1;border-radius:50%;width:5px;height:5px;margin-top:10px}.archive-timeline article>button{border:1px solid var(--line);background:var(--white);text-align:left;cursor:pointer;margin-bottom:12px;padding:21px 24px;transition:transform .18s,border-color .18s}.archive-timeline article>button:hover{border-color:var(--green);transform:translate(3px)}.archive-timeline header{justify-content:space-between;align-items:start;gap:20px;display:flex}.archive-timeline header>div{align-items:center;gap:9px;display:flex}.archive-timeline header span{color:#4f72a8;text-transform:uppercase;letter-spacing:.09em;background:#6f9ee821;padding:5px 7px;font-size:8px;font-weight:900}.archive-timeline header small{color:var(--muted);font-size:8px}.archive-timeline header b{color:#56752b;text-transform:uppercase;letter-spacing:.08em;background:#eff4df;padding:5px 7px;font-size:8px}.archive-timeline header b.needs-review{color:#a44d37;background:#fae7df}.archive-timeline h2{margin:13px 0 6px;font:500 25px/1.1 Georgia,serif}.archive-timeline article>button>p{color:var(--muted);margin:0;font:12px/1.45 Georgia,serif}.archive-timeline footer{border-top:1px solid var(--line);align-items:center;gap:16px;margin-top:17px;padding-top:12px;display:flex}.archive-timeline footer span{color:var(--muted);font-size:8px}.archive-timeline footer strong{color:var(--green);margin-left:auto;font-size:9px}.archive-empty{border:1px solid var(--line);background:var(--white);text-align:center;align-content:center;justify-items:center;min-height:430px;padding:40px;display:grid}.archive-empty>span{color:var(--coral);font-size:34px}.archive-empty h2{margin:14px 0 6px;font:500 30px Georgia,serif}.archive-empty p{color:var(--muted);margin:0 0 16px;font:13px/1.5 Georgia,serif}.ask-page{grid-template-columns:.36fr 1fr;gap:45px;padding-top:54px;display:grid}.ask-heading{padding-top:12px}.ask-heading h1{font-size:clamp(45px,4.4vw,67px);line-height:.96}.ask-heading>p:not(.kicker){color:var(--muted);max-width:310px;margin-top:24px;font-family:Georgia,serif;font-size:14px;line-height:1.6}.ask-buddy-button{border:1px solid var(--line);background:var(--white);text-align:left;cursor:pointer;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;width:min(100%,310px);margin-top:20px;padding:10px 12px;display:grid}.ask-buddy-button:hover{border-color:var(--green);transform:translateY(-1px)}.ask-buddy-button>span{gap:2px;min-width:0;display:grid}.ask-buddy-button strong{font-size:9px}.ask-buddy-button small{color:var(--muted);font-size:7px}.ask-buddy-button>b{color:var(--green)}.chat-layout{grid-template-columns:minmax(0,1fr) 300px;min-height:660px;display:grid}.chat-card{border-right:0;flex-direction:column;display:flex}.messages{flex-direction:column;flex:1;gap:23px;max-height:470px;padding:28px 30px;display:flex;overflow-y:auto}.message{gap:11px;max-width:90%;display:flex}.message.user{align-self:flex-end}.message>div{background:var(--paper);border-radius:2px 14px 14px;padding:15px 17px}.message.user>div{background:var(--green);color:#fff;border-radius:14px 2px 14px 14px}.message p{margin:0;font-family:Georgia,serif;font-size:14px;line-height:1.55}.assistant-mark{flex:none;width:31px;height:31px;font-size:12px}.related-chips{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.related-chips button{border:1px solid var(--line);background:var(--white);cursor:pointer;border-radius:20px;padding:6px 8px;font-size:9px}.related-chips button span{color:#5c8839}.thinking>div{gap:4px;padding:13px 17px;display:flex}.thinking i{background:var(--muted);border-radius:50%;width:5px;height:5px;animation:1s infinite alternate bounce}.thinking i:nth-child(2){animation-delay:.15s}.thinking i:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,to{animation-timing-function:cubic-bezier(.8,0,1,1);transform:translateY(-25%)}50%{animation-timing-function:cubic-bezier(0,0,.2,1);transform:none}}.composer{border-top:1px solid var(--line);background:var(--white);margin:0 18px 18px;padding:14px}.composer textarea{resize:none;width:100%;color:var(--ink);background:0 0;border:0;font-family:Georgia,serif;font-size:14px;line-height:1.4}.composer textarea::placeholder{color:#9b9d96}.composer-actions{border-top:1px solid var(--line);justify-content:space-between;align-items:center;padding-top:10px;display:flex}.upload-button{cursor:pointer;font-size:10px;font-weight:800}.upload-button input{display:none}.composer-actions>div{align-items:center;gap:10px;display:flex}.composer-actions>div>span{color:var(--muted);font-size:8px}.composer-actions button{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:20px;padding:7px 8px 7px 13px;font-size:10px;font-weight:800}.composer-actions button b{background:var(--lime);width:19px;height:19px;color:var(--green);border-radius:50%;place-items:center;margin-left:6px;display:inline-grid}.composer-actions button:disabled{opacity:.35}.file-chip{background:var(--paper);border:1px solid var(--line);grid-template-columns:32px 1fr auto;align-items:center;gap:9px;margin-bottom:9px;padding:9px;display:grid}.file-chip>span{background:var(--purple);color:#fff;place-items:center;width:32px;height:32px;display:grid}.file-chip div{display:grid}.file-chip strong{font-size:10px}.file-chip small{color:var(--muted);font-size:8px}.file-chip button{cursor:pointer;background:0 0;border:0;font-size:17px}.chat-context{background:var(--green);color:#fff;padding:30px;position:relative;overflow:hidden}.context-illustration{place-items:center;width:160px;height:150px;margin:0 auto 18px;display:grid;position:relative}.context-illustration b{background:var(--lime);width:58px;height:58px;color:var(--green);z-index:3;border-radius:50%;place-items:center;font-family:Georgia,serif;font-size:23px;font-style:italic;display:grid}.orbit{border:1px solid #ffffff47;border-radius:50%;position:absolute}.o1{inset:15px 4px;transform:rotate(20deg)}.o2{inset:1px 27px;transform:rotate(-26deg)}.o3{background:var(--coral);width:8px;height:8px;box-shadow:-106px 74px 0 var(--blue), -35px 110px 0 var(--yellow);border:0;top:22px;right:29px}.chat-context h2{margin:8px 0;font-family:Georgia,serif;font-size:25px;font-weight:500}.chat-context>p{color:#ffffffab;font-family:Georgia,serif;font-size:12px;line-height:1.55}.context-steps{margin:22px 0}.context-steps>div{border-top:1px solid #ffffff24;gap:10px;padding:10px 0;display:flex}.context-steps span{color:var(--lime);font-family:Georgia,serif;font-size:11px}.context-steps p{color:#ffffff8c;margin:0;font-size:9px;display:grid}.context-steps strong{color:#fff;margin-bottom:3px;font-size:10px}.try-prompts{gap:6px;display:grid}.try-prompts>span{color:#ffffff80}.try-prompts button{color:#fffc;text-align:left;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff29;padding:8px;font-family:Georgia,serif;font-size:10px}.stories-page{padding-top:52px}.story-page-heading{justify-content:space-between;align-items:end;gap:40px;margin-bottom:34px;display:flex}.story-page-heading h1{letter-spacing:-.045em;margin:0;font:500 clamp(46px,5vw,72px)/.95 Georgia,serif}.story-page-heading h1 em{color:var(--green);font-weight:400}.story-page-heading>div>p:last-child{max-width:650px;color:var(--muted);margin:17px 0 0;font:15px/1.55 Georgia,serif}.story-browser-layout{grid-template-columns:minmax(235px,275px) minmax(0,1fr);align-items:start;gap:22px;display:grid}.story-browser-layout.is-today-checkpoint{grid-template-columns:minmax(0,1fr)}.story-completion-error{color:#a14432;background:#fff0e8;border:1px solid #a14432;margin:-18px 0 22px;padding:10px 12px;font-size:10px}.story-library{border:1px solid var(--line);background:var(--white);grid-template-rows:auto minmax(0,1fr) auto;min-width:0;max-height:calc(100vh - 120px);display:grid;position:sticky;top:100px;overflow:hidden;box-shadow:0 18px 44px #2d31260e}.story-library>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:14px;padding:17px 16px;display:flex}.story-library>header>div{gap:4px;display:grid}.story-library>header span{color:var(--muted);text-transform:uppercase;letter-spacing:.14em;font-size:8px;font-weight:900}.story-library>header strong{font:500 16px/1.2 Georgia,serif}.story-library>header b{background:var(--lime);border-radius:50%;place-items:center;width:31px;height:31px;font:10px Georgia,serif;display:grid}.story-selector{overscroll-behavior:contain;scrollbar-gutter:stable;border:1px solid var(--line);background:var(--line);align-content:start;gap:1px;min-height:0;display:grid;overflow-y:auto}.story-selector>button{background:var(--white);text-align:left;cursor:pointer;border:0;grid-template-columns:auto 1fr auto;gap:13px;min-width:0;padding:18px;display:grid}.story-selector>button>span{border:1px solid;border-radius:50%;place-items:center;width:29px;height:29px;font:10px Georgia,serif;display:grid}.story-selector>button>div{gap:3px;min-width:0;display:grid}.story-selector small{color:var(--muted);text-transform:uppercase;letter-spacing:.11em;font-size:8px}.story-selector strong{font:500 17px/1.2 Georgia,serif}.story-selector p{color:var(--muted);margin:0;font-size:9px;line-height:1.4}.story-selector em{background:var(--paper);width:max-content;max-width:100%;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;text-overflow:ellipsis;white-space:nowrap;margin-top:5px;padding:3px 5px;font-size:7px;font-style:normal;overflow:hidden}.story-selector i{color:var(--coral);align-self:center;font-style:normal}.story-selector .is-active i{color:var(--lime)}.story-library>footer{border-top:1px solid var(--line);background:var(--paper);align-items:center;gap:9px;padding:12px 14px;display:flex}.story-library>footer>span{background:var(--green);color:#fff;border-radius:50%;place-items:center;width:25px;height:25px;font-size:10px;display:grid}.story-library>footer p{gap:2px;margin:0;display:grid}.story-library>footer strong{text-transform:uppercase;letter-spacing:.08em;font-size:8px}.story-library>footer small{color:var(--muted);font-size:7px;line-height:1.35}.story-workspace{grid-template-columns:minmax(340px,.82fr) minmax(0,1.18fr);align-items:start;gap:22px;transition:grid-template-columns .24s;display:grid}.story-workspace.is-sidebar-collapsed{grid-template-columns:minmax(0,1fr) 68px}.story-reader,.story-language-map{border:1px solid var(--line);background:#fffdf8d1;box-shadow:0 18px 44px #2d31260e}.story-reader{position:sticky;top:100px;overflow:hidden}.story-reader>header{border-bottom:1px solid var(--line);justify-content:space-between;gap:20px;padding:28px 28px 24px;display:flex}.story-reader>header span,.story-scene>span,.story-language-map>header span{color:#5e7d31;text-transform:uppercase;letter-spacing:.15em;font-size:8px;font-weight:900}.story-reader>header h2{letter-spacing:-.03em;margin:7px 0 5px;font:500 34px/1.03 Georgia,serif}.story-reader>header p{color:var(--muted);margin:0;font-size:10px}.story-reader>header b{background:var(--lime);border-radius:50%;flex:none;place-items:center;width:38px;height:38px;font:10px Georgia,serif;display:grid}.story-scene{border-bottom:1px solid var(--line);background:#c8e45b1a;padding:18px 28px}.story-scene p{margin:6px 0 4px;font:14px/1.45 Georgia,serif}.story-scene small{color:var(--muted);font-size:8px}.story-coverage-summary{background:#ffffff94;border:1px solid #17221d29;gap:3px;margin-top:13px;padding:10px 12px;display:grid}.story-coverage-summary span{color:var(--muted);letter-spacing:.11em;text-transform:uppercase;font-size:7px;font-weight:900}.story-coverage-summary strong{font-size:10px;line-height:1.4}.story-audio-tip{border-top:1px solid #17221d1a;align-items:center;gap:8px;margin-top:13px;padding-top:10px;display:flex}.story-audio-tip strong{color:#587229;text-transform:uppercase;letter-spacing:.08em;font-size:8px}.story-dialogue{padding:13px 28px 24px}.story-dialogue>button{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;width:100%;padding:14px 46px 14px 0;transition:padding .18s,background .18s;display:block;position:relative}.story-dialogue>button:last-of-type{border-bottom:0}.story-dialogue>button:hover,.story-dialogue>button.is-speaking{background:#6f9ee814;width:calc(100% + 20px);margin-left:-10px;padding-left:10px;padding-right:56px}.story-dialogue span{color:#a74e35;text-transform:uppercase;letter-spacing:.12em;font-size:8px;font-weight:900}.story-dialogue p{margin:5px 0 4px;font:17px/1.45 Georgia,serif}.story-dialogue small{color:var(--muted);font:italic 11px/1.4 Georgia,serif}.story-dialogue .is-narrator p{color:var(--muted);font-style:italic}.story-dialogue>button>b{background:var(--paper-deep);width:30px;height:30px;color:var(--green);border-radius:50%;place-items:center;font-size:9px;display:grid;position:absolute;top:50%;right:7px;transform:translateY(-50%)}.story-dialogue>button.is-speaking>b{background:var(--green);color:var(--lime);animation:1.1s ease-in-out infinite audio-pulse}@keyframes audio-pulse{50%{box-shadow:0 0 0 6px #6f9ee829}}.story-audio-error{color:#a14432!important;margin:8px 0 0!important;font:10px/1.4 Avenir Next,sans-serif!important}.story-reader>footer{border-top:1px solid var(--line);background:var(--paper);gap:13px;padding:19px 28px;display:grid}.story-reader>footer span{color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-size:8px}.story-reader>footer strong{margin-top:4px;font:500 15px Georgia,serif;display:block}.story-reader>footer p{color:var(--muted);margin:5px 0 0;font-size:9px;line-height:1.45}.story-reader>footer button{border:1px solid var(--line);background:var(--white);text-align:left;color:var(--green);cursor:pointer;padding:10px 12px;font-size:9px;font-weight:800}.story-language-map>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:end;gap:20px;padding:24px 26px;display:flex}.story-language-map>header h2{margin:6px 0 0;font:500 27px Georgia,serif}.story-sidebar-actions{align-items:center;gap:9px;display:flex}.story-sidebar-actions b{color:var(--muted);font-size:9px}.story-sidebar-actions button{border:1px solid var(--line);background:var(--paper);width:34px;height:34px;color:var(--green);cursor:pointer;border-radius:50%;font-weight:900}.story-language-map.is-collapsed{position:sticky;top:100px}.story-language-map.is-collapsed>header{justify-content:center;align-items:center;min-height:150px;padding:15px 10px}.story-language-map.is-collapsed>header>div:first-child{display:none}.story-language-map.is-collapsed .story-sidebar-actions{flex-direction:column}.story-language-map.is-collapsed .story-sidebar-actions b:after{content:" nodes";text-align:center;width:38px;color:var(--muted);margin-top:4px;font-size:7px;font-weight:500;display:block}.story-pillar{--pillar:var(--blue);border-bottom:1px solid var(--line);padding:23px 26px 26px}.story-pillar:last-child{border-bottom:0}.story-coverage-pillar{--pillar:var(--green);background:var(--lime)}@supports (color:color-mix(in lab, red, red)){.story-coverage-pillar{background:color-mix(in srgb,var(--lime) 9%,var(--white))}}.story-coverage-intro{color:var(--muted);margin:-2px 0 14px;font-size:11px;line-height:1.55}.story-coverage-list{gap:8px;display:grid}.story-coverage-lesson{border:1px solid var(--line);background:var(--white)}.story-coverage-lesson>summary{cursor:pointer;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:3px 10px;min-height:62px;padding:10px 12px;list-style:none;display:grid}.story-coverage-lesson>summary::-webkit-details-marker{display:none}.story-coverage-lesson>summary>span{color:var(--green);letter-spacing:.1em;text-transform:uppercase;font-size:7px;font-weight:900}.story-coverage-lesson>summary>strong{grid-column:1;font:500 14px/1.3 Georgia,serif}.story-coverage-lesson>summary>b{color:var(--muted);white-space:nowrap;grid-area:1/2;font-size:8px}.story-coverage-lesson>summary>i{color:var(--green);grid-area:2/2;justify-self:end;font-style:normal;transition:transform .2s}.story-coverage-lesson[open]>summary>i{transform:rotate(45deg)}.story-coverage-lesson>div{border-top:1px solid var(--line);gap:5px;max-height:340px;padding:8px;display:grid;overflow:auto}.story-coverage-lesson>div>button{border:1px solid var(--line);background:var(--paper);text-align:left;cursor:pointer;grid-template-columns:minmax(0,1fr) auto;gap:3px 9px;padding:9px 10px;display:grid}.story-coverage-lesson>div>button span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:7px}.story-coverage-lesson>div>button strong{overflow-wrap:anywhere;grid-column:1;font:500 12px/1.35 Georgia,serif}.story-coverage-lesson>div>button i{color:var(--green);white-space:nowrap;grid-area:1/2/3;align-self:center;font-size:8px;font-style:normal}.grammar-pillar{--pillar:var(--coral)}.phonology-pillar{--pillar:var(--purple)}.pragmatics-pillar{--pillar:var(--yellow)}.phrases-pillar{--pillar:var(--lime)}.pillar-heading{cursor:pointer;align-items:center;gap:12px;margin-bottom:15px;list-style:none;display:flex}.pillar-heading::-webkit-details-marker{display:none}.story-pillar:not([open]) .pillar-heading{margin-bottom:0}.pillar-heading>span{background:var(--pillar);border-radius:50%;width:29px;height:29px}@supports (color:color-mix(in lab, red, red)){.pillar-heading>span{background:color-mix(in srgb,var(--pillar) 24%,transparent)}}.pillar-heading>span{place-items:center;font:9px Georgia,serif;display:grid}.pillar-heading small{color:var(--pillar)}@supports (color:color-mix(in lab, red, red)){.pillar-heading small{color:color-mix(in srgb,var(--pillar) 70%,var(--ink))}}.pillar-heading small{text-transform:uppercase;letter-spacing:.13em;font-size:8px;font-weight:900}.pillar-heading h3{margin:2px 0 0;font:500 19px Georgia,serif}.pillar-heading>i{color:var(--pillar);margin-left:auto;font-style:normal;transition:transform .2s}.story-pillar:not([open]) .pillar-heading>i{transform:rotate(-90deg)}.story-node-list{gap:8px;display:grid}.story-word-grid,.story-phrase-list{grid-template-columns:1fr 1fr}.story-node-card{border:1px solid var(--line);background:var(--white);min-width:0;transition:border-color .18s,box-shadow .18s}.story-node-card[open]{border-color:var(--pillar);grid-column:1/-1}@supports (color:color-mix(in lab, red, red)){.story-node-card[open]{border-color:color-mix(in srgb,var(--pillar) 68%,var(--line))}}.story-node-card[open]{box-shadow:0 10px 26px #17221d0f}.story-node-card>summary{cursor:pointer;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;min-height:88px;padding:14px 15px;list-style:none;display:grid}.story-node-card>summary::-webkit-details-marker{display:none}.story-node-card>summary:hover{background:var(--pillar)}@supports (color:color-mix(in lab, red, red)){.story-node-card>summary:hover{background:color-mix(in srgb,var(--pillar) 5%,var(--white))}}.story-node-summary{gap:4px;min-width:0;display:grid}.story-node-summary>span{color:var(--pillar)}@supports (color:color-mix(in lab, red, red)){.story-node-summary>span{color:color-mix(in srgb,var(--pillar) 72%,var(--ink))}}.story-node-summary>span{text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:800;line-height:1.25}.story-node-summary strong{overflow-wrap:anywhere;font:500 18px/1.22 Georgia,serif}.story-node-summary small{color:var(--muted);font-size:12px;line-height:1.4}.story-node-toggle{align-self:center;justify-items:center;gap:5px;display:grid}.story-node-toggle b{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;font-size:10px}.story-node-toggle i{background:var(--pillar);border-radius:50%;width:24px;height:24px}@supports (color:color-mix(in lab, red, red)){.story-node-toggle i{background:color-mix(in srgb,var(--pillar) 16%,transparent)}}.story-node-toggle i{color:var(--pillar)}@supports (color:color-mix(in lab, red, red)){.story-node-toggle i{color:color-mix(in srgb,var(--pillar) 76%,var(--ink))}}.story-node-toggle i{place-items:center;font:700 15px/1 sans-serif;transition:transform .2s,background .2s;display:grid}.story-node-card[open] .story-node-toggle i{background:var(--pillar);color:var(--ink);transform:rotate(45deg)}.story-node-expanded{border-top:1px solid var(--line);padding:0 18px 20px}.story-node-expanded>section{padding:18px 0 0}.story-node-expanded>section>span,.story-node-expanded blockquote>span{color:var(--pillar)}@supports (color:color-mix(in lab, red, red)){.story-node-expanded>section>span,.story-node-expanded blockquote>span{color:color-mix(in srgb,var(--pillar) 75%,var(--ink))}}.story-node-expanded>section>span,.story-node-expanded blockquote>span{text-transform:uppercase;letter-spacing:.11em;font-size:10px;font-weight:800}.story-node-expanded>section>p{max-width:68ch;color:var(--ink);margin:7px 0 0;font-size:14px;line-height:1.65}.story-node-meaning-pair p{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.story-node-meaning-pair p strong{font:500 17px/1.3 Georgia,serif}.story-node-meaning-pair p i{color:var(--pillar);font-style:normal}.story-node-expanded blockquote{border:0;border-left:3px solid var(--pillar);background:var(--pillar);margin:18px 0 0;padding:14px 16px}@supports (color:color-mix(in lab, red, red)){.story-node-expanded blockquote{background:color-mix(in srgb,var(--pillar) 9%,transparent)}}.story-node-expanded blockquote p{margin:6px 0 0;font:500 16px/1.5 Georgia,serif}.story-node-practice{background:var(--paper);border-radius:6px;margin-top:18px;padding:15px 16px!important}.buddy-pet{filter:drop-shadow(0 5px 7px #17221d29);flex:none;width:45px;height:42px;display:block;position:relative}.buddy-pet.is-small{width:34px;height:32px}.buddy-pet:not(.is-small){width:62px;height:76px;animation:1.4s steps(2,end) infinite buddy-idle}.buddy-tail,.buddy-body,.buddy-foot{display:none}.buddy-pet:not(.is-small) .buddy-tail{z-index:0;border:3px solid var(--green);background:var(--yellow);transform-origin:0;width:19px;height:11px;display:block;position:absolute;top:42px;right:2px;transform:rotate(-25deg)}.buddy-pet:not(.is-small) .buddy-body{z-index:1;border:3px solid var(--green);background:var(--yellow);height:30px;display:block;position:absolute;top:38px;left:14px;right:14px;box-shadow:inset -6px -5px #a74e3538}.buddy-scarf{z-index:2;border:2px solid var(--green);background:var(--coral);height:7px;position:absolute;top:1px;left:-4px;right:-4px}.buddy-paw{border:2px solid var(--green);background:var(--yellow);width:10px;height:10px;position:absolute;top:13px}.buddy-paw.left{left:-8px;transform:rotate(18deg)}.buddy-paw.right{right:-8px;transform:rotate(-18deg)}.buddy-pet:not(.is-small) .buddy-foot{z-index:2;border:3px solid var(--green);background:var(--yellow);width:19px;height:9px;display:block;position:absolute;bottom:0}.buddy-foot.left{left:10px}.buddy-foot.right{right:10px}.buddy-pet:not(.is-small) .buddy-ear{width:19px;height:21px;top:1px}.buddy-pet:not(.is-small) .buddy-ear.left{left:8px}.buddy-pet:not(.is-small) .buddy-ear.right{right:8px}.buddy-pet:not(.is-small) .buddy-face{z-index:3;height:36px;inset:11px 7px auto}.buddy-pet:not(.is-small) .buddy-eye{top:12px}.buddy-pet:not(.is-small) .buddy-eye.left{left:12px}.buddy-pet:not(.is-small) .buddy-eye.right{right:12px}@keyframes buddy-idle{50%{transform:translateY(-3px)}}.buddy-ear{z-index:0;border:2px solid var(--green);background:var(--lime);border-radius:70% 15% 55% 35%;width:16px;height:18px;position:absolute;top:1px}.buddy-ear.left{left:4px;transform:rotate(-22deg)}.buddy-ear.right{right:4px;transform:scaleX(-1)rotate(-22deg)}.buddy-face{z-index:1;border:2px solid var(--green);background:var(--lime);border-radius:48% 48% 43% 43%;height:34px;position:absolute;bottom:0;left:3px;right:3px}.buddy-eye{background:var(--green);border-radius:50%;width:4px;height:5px;position:absolute;top:12px}.buddy-eye.left{left:10px}.buddy-eye.right{right:10px}.buddy-mouth{border:2px solid var(--green);border-top:0;border-radius:0 0 8px 8px;width:8px;height:4px;position:absolute;bottom:7px;left:50%;transform:translate(-50%)}.buddy-sound{z-index:3;background:var(--coral);color:#fff;border-radius:50%;place-items:center;width:18px;height:18px;font:10px Georgia,serif;animation:1.1s ease-in-out infinite audio-pulse;display:grid;position:absolute;top:-7px;right:-4px}.buddy-pet.is-small .buddy-ear{border-width:1.5px;width:12px;height:14px}.buddy-pet.is-small .buddy-face{border-width:1.5px;height:26px}.buddy-pet.is-small .buddy-eye{width:3px;height:4px;top:9px}.buddy-pet.is-small .buddy-eye.left{left:8px}.buddy-pet.is-small .buddy-eye.right{right:8px}.buddy-pet.is-small .buddy-mouth{border-width:0 1.5px 1.5px;border-top-style:none;border-top-color:currentColor;width:6px;height:3px;bottom:5px}.buddy-pet.is-speaking .buddy-mouth{background:var(--green);border:0;border-radius:50%;width:7px;height:7px;animation:.45s ease-in-out infinite alternate buddy-talk}@keyframes buddy-talk{0%{transform:translate(-50%)scaleY(.55)}to{transform:translate(-50%)scaleY(1)}}.tutor-launcher{z-index:120;width:88px;height:104px;color:var(--ink);cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;background:0 0;border:0;align-content:end;justify-items:center;padding:0;display:grid;position:fixed;bottom:24px;right:24px}.tutor-launcher.has-position{bottom:auto;right:auto}.tutor-launcher:hover .buddy-pet,.tutor-launcher:focus-visible .buddy-pet{transform:translateY(-4px)}.tutor-launcher.is-dragging{cursor:grabbing}.tutor-launcher.is-dragging .buddy-pet{animation:none;transform:rotate(-5deg)translateY(-5px)}.tutor-launcher.is-speaking .buddy-pet{filter:drop-shadow(0 0 7px var(--lime)) drop-shadow(3px 3px 0 #14202ad9)}.buddy-nameplate{border:2px solid var(--ink);border-bottom:4px solid var(--coral);background:var(--green);color:#fff;min-width:66px;box-shadow:3px 3px 0 var(--ink);justify-content:center;align-items:center;gap:5px;margin-top:-2px;padding:3px 5px 2px;display:flex}.buddy-nameplate strong{color:var(--lime);letter-spacing:.08em;font-size:9px}.buddy-nameplate small{color:#d5d9d4;text-transform:uppercase;letter-spacing:.06em;font-size:6px}.buddy-status-bubble{border:2px solid var(--ink);border-bottom:4px solid var(--coral);background:var(--white);text-align:left;width:205px;box-shadow:4px 4px 0 var(--ink);opacity:0;pointer-events:none;gap:3px;padding:9px 10px;transition:opacity .14s,transform .14s;display:grid;position:absolute;bottom:43px;right:76px;transform:translate(7px)}.buddy-status-bubble:after{content:"";border-top:2px solid var(--ink);border-right:2px solid var(--ink);background:var(--white);width:12px;height:12px;position:absolute;bottom:13px;right:-9px;transform:rotate(45deg)}.buddy-status-bubble strong{color:var(--ink);font-size:9px}.buddy-status-bubble small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:7px;line-height:1.35;overflow:hidden}.tutor-launcher:hover .buddy-status-bubble,.tutor-launcher:focus-visible .buddy-status-bubble,.tutor-launcher.is-open .buddy-status-bubble{opacity:1;transform:none}.tutor-launcher.is-open .buddy-nameplate small{color:var(--lime)}.tutor-drawer{z-index:110;border:1px solid var(--line);background:var(--white);opacity:0;pointer-events:none;grid-template-rows:auto auto auto minmax(0,1fr) auto auto;width:min(440px,100vw - 40px);transition:transform .28s,opacity .2s;display:grid;position:fixed;top:82px;bottom:20px;right:20px;transform:translate(calc(100% + 50px));box-shadow:0 22px 70px #17221d3d}.tutor-drawer.is-open{opacity:1;pointer-events:auto;transform:translate(0)}.tutor-drawer>header{background:var(--green);color:#fff;justify-content:space-between;align-items:center;padding:15px 17px;display:flex}.tutor-drawer>header>div{align-items:center;gap:10px;display:flex}.tutor-drawer>header p{gap:2px;margin:0;display:grid}.tutor-drawer>header strong{font:500 17px Georgia,serif}.tutor-drawer>header small{color:#ffffff9e;white-space:nowrap;text-overflow:ellipsis;max-width:270px;font-size:8px;overflow:hidden}.tutor-drawer>header>button{color:#fff;cursor:pointer;background:0 0;border:0;font-size:22px}.tutor-context-strip{border-bottom:1px solid var(--line);background:#c8e45b1a;grid-template-columns:auto 1fr;align-items:start;gap:8px;padding:11px 15px;display:grid}.tutor-context-strip span{color:#587229;text-transform:uppercase;letter-spacing:.1em;font-size:8px;font-weight:900}.tutor-context-strip p{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:9px;line-height:1.4;display:-webkit-box;overflow:hidden}.buddy-tools{border-bottom:1px solid var(--line);background:var(--white);grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;padding:9px 11px;display:grid}.buddy-tools button,.buddy-tools label{border:1px solid var(--line);background:var(--paper);text-align:left;cursor:pointer;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:6px;min-width:0;padding:8px 6px;display:grid}.buddy-tools button:hover,.buddy-tools label:hover,.buddy-tools button.is-active{border-color:var(--green);background:#c8e45b1f}.buddy-tools button.is-active{box-shadow:inset 0 -2px var(--green)}.buddy-tools i{background:var(--white);width:22px;height:22px;color:var(--green);border-radius:50%;place-items:center;font:700 10px/1 sans-serif;display:grid}.buddy-tools span{gap:1px;min-width:0;display:grid}.buddy-tools strong{font-size:8px}.buddy-tools small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:6px;overflow:hidden}.buddy-tools input{display:none}.tutor-messages{background:var(--paper);flex-direction:column;gap:12px;min-height:0;padding:18px;display:flex;overflow-y:auto}.tutor-message{border:1px solid var(--line);background:var(--white);border-radius:2px 12px 12px;align-self:flex-start;max-width:92%;padding:12px 13px}.tutor-message.user{background:var(--green);color:#fff;border:0;border-radius:12px 2px 12px 12px;align-self:flex-end}.tutor-message p{white-space:pre-wrap;margin:0;font:13px/1.5 Georgia,serif}.buddy-related-nodes{flex-wrap:wrap;gap:5px;margin-top:9px;display:flex}.buddy-related-nodes button{border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;border-radius:20px;padding:5px 7px;font-size:8px}.buddy-message-file{border:1px solid var(--line);background:var(--paper);grid-template-columns:auto minmax(0,1fr);align-items:center;gap:7px;margin:0 0 9px;padding:7px 8px;display:grid}.tutor-message.user .buddy-message-file{background:#ffffff14;border-color:#ffffff2e}.buddy-message-file>i{background:var(--white);width:24px;height:24px;color:var(--green);border-radius:50%;place-items:center;font:10px Georgia,serif;display:grid}.buddy-message-file>span{gap:2px;min-width:0;display:grid}.buddy-message-file strong{white-space:nowrap;text-overflow:ellipsis;font-size:8px;overflow:hidden}.buddy-message-file small{color:var(--muted);font-size:6px}.tutor-message.user .buddy-message-file small{color:#ffffff94}.buddy-artifact{border:1px solid var(--green);width:100%;margin-top:11px;padding:12px}@supports (color:color-mix(in lab, red, red)){.buddy-artifact{border:1px solid color-mix(in srgb,var(--green) 45%,var(--line))}}.buddy-artifact{text-align:left;cursor:pointer;background:#c8e45b1a;gap:5px;display:grid}.buddy-artifact:hover{border-color:var(--green);transform:translateY(-1px)}.buddy-artifact>span{color:#587229;text-transform:uppercase;letter-spacing:.11em;font-size:7px;font-weight:900}.buddy-artifact>strong{font:500 16px/1.2 Georgia,serif}.buddy-artifact>em{color:var(--muted);font:9px/1.45 Avenir Next,sans-serif}.buddy-artifact>small{color:var(--muted);font-size:7px}.buddy-artifact>b{color:var(--green);text-transform:uppercase;letter-spacing:.08em;margin-top:3px;font-size:8px}.tutor-message.is-thinking{gap:4px;display:flex}.tutor-message.is-thinking i{background:var(--muted);border-radius:50%;width:5px;height:5px;animation:1s infinite alternate bounce}.tutor-message.is-thinking i:nth-child(2){animation-delay:.15s}.tutor-message.is-thinking i:nth-child(3){animation-delay:.3s}.tutor-suggestions{border-top:1px solid var(--line);gap:6px;padding:10px 13px;display:flex;overflow-x:auto}.tutor-suggestions button{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:0 0;flex:none;padding:6px 8px;font-size:8px}.tutor-suggestions button:hover{border-color:var(--green);color:var(--green)}.tutor-composer{border:1px solid var(--line);background:var(--white);margin:0 13px 13px;padding:11px}.tutor-composer.is-lesson{border-color:var(--coral)}.tutor-composer.is-exercise{border-color:#7fa536}.tutor-composer textarea{resize:none;width:100%;color:var(--ink);border:0;outline:0;font:13px/1.45 Georgia,serif}.tutor-composer>div:last-child{border-top:1px solid var(--line);justify-content:space-between;align-items:center;padding-top:8px;display:flex}.tutor-composer>div:last-child>span{max-width:220px;color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:8px;overflow:hidden}.tutor-composer>div:last-child>button{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:18px;padding:6px 8px 6px 12px;font-size:9px;font-weight:800}.tutor-composer>div:last-child>button b{background:var(--lime);width:18px;height:18px;color:var(--green);border-radius:50%;place-items:center;margin-left:5px;display:inline-grid}.tutor-composer>div:last-child>button:disabled{opacity:.35;cursor:not-allowed}.buddy-file-chip{border:1px solid var(--line);background:var(--paper);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;margin:-3px -3px 9px;padding:8px;display:grid}.buddy-file-chip>i{background:var(--green);width:25px;height:25px;color:var(--lime);border-radius:50%;place-items:center;font:10px Georgia,serif;display:grid}.buddy-file-chip>span{gap:2px;min-width:0;display:grid}.buddy-file-chip strong{white-space:nowrap;text-overflow:ellipsis;font-size:8px;overflow:hidden}.buddy-file-chip small{color:var(--muted);font-size:7px}.buddy-file-chip>button{color:var(--muted);cursor:pointer;background:0 0;border:0;font-size:17px}.buddy-lesson-cue{background:#ed7c580f;border:1px solid #ed7c5840;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;margin:12px 0 19px;padding:10px 11px;display:grid}.buddy-lesson-cue.is-practice{background:#c8e45b14;border-color:#7fa5364d}.buddy-lesson-cue p{gap:2px;margin:0;display:grid}.buddy-lesson-cue p span{color:var(--coral);text-transform:uppercase;letter-spacing:.11em;font-size:7px;font-weight:900}.buddy-lesson-cue.is-practice p span{color:#6e8b31}.buddy-lesson-cue p strong{font-size:8px;line-height:1.35}.buddy-lesson-cue>button{color:var(--green);cursor:pointer;white-space:nowrap;background:0 0;border:0;font-size:8px;font-weight:900}body{background:linear-gradient(#ffffff0e 50%, transparent 50%) 0 0 / 100% 4px, linear-gradient(90deg, #14202a0b 1px, transparent 1px) 0 0 / 8px 8px, var(--paper);image-rendering:auto;font-family:SFMono-Regular,Roboto Mono,Courier New,monospace}body:after{content:"";z-index:9999;pointer-events:none;mix-blend-mode:multiply;background:linear-gradient(#14202a05 50%,#0000 50%) 0 0/100% 3px;position:fixed;inset:0}button:focus-visible,textarea:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:3px}::selection{background:var(--coral);color:#fff}*{scrollbar-color:var(--green) var(--paper-deep);scrollbar-width:thin}.topbar{border-bottom:4px solid var(--coral);color:#fff;height:72px;box-shadow:0 4px 0 var(--lime), 0 7px 0 #14202ae6;-webkit-backdrop-filter:none;backdrop-filter:none;background:#14202a;padding:0 2.4vw}.brand-mark,.assistant-mark{border:2px solid var(--lime);background:var(--coral);color:#fff;border-radius:2px;font-family:inherit;font-style:normal;font-weight:900;box-shadow:2px 2px #000}.main-nav{align-items:center;gap:5px;height:72px}.main-nav button{color:#c6cbc5;text-transform:uppercase;letter-spacing:.07em;background:#ffffff0b;border:1px solid #ffffff2e;border-bottom:3px solid #ffffff47;height:35px;padding:0 10px;font-size:10px}.main-nav button:hover{color:#fff;background:#ffffff1a}.main-nav button.is-active{border-color:var(--coral);border-bottom-color:var(--coral);background:var(--white);color:var(--ink);box-shadow:2px 2px 0 var(--lime)}.profile{color:#fff}.avatar{border:2px solid var(--white);background:var(--blue);color:#fff;box-shadow:2px 2px 0 var(--coral);border-radius:2px}.page{width:min(1380px,92vw);padding-top:55px;animation:.24s steps(4,end) both game-screen-in}@keyframes game-screen-in{0%{opacity:0;filter:contrast(1.3);transform:translateY(8px)}to{opacity:1;filter:none;transform:none}}.kicker{background:var(--coral);color:#fff;width:max-content;max-width:100%;box-shadow:3px 3px 0 var(--ink);letter-spacing:.1em;margin-bottom:13px;padding:5px 8px 4px;font-size:9px}.page-heading em,.ask-heading em,.story-page-heading h1 em,.archive-heading h1 em{color:var(--coral);text-shadow:2px 2px 0 var(--white);font-style:normal}.primary-button,.submit-button,.panel-action,.textbook-start-button{border:2px solid var(--ink);background:var(--lime);color:var(--ink);box-shadow:4px 4px 0 var(--ink);text-transform:uppercase;letter-spacing:.06em;border-radius:0}.primary-button:hover,.submit-button:hover,.panel-action:hover,.textbook-start-button:hover{box-shadow:2px 2px 0 var(--ink);transform:translate(2px,2px)}.metric-row{border:2px solid var(--ink);background:var(--white);box-shadow:5px 5px #14202aeb}.metric{border-right:2px solid var(--ink);background:linear-gradient(#fffef4,#ebece0);min-height:92px}.metric strong{color:var(--green);text-shadow:2px 2px #d5e05ab3;font-family:inherit;font-weight:900}.metric span,.metric i{text-transform:uppercase;letter-spacing:.05em}.level-ring{border:4px solid var(--ink);background:var(--lime);box-shadow:3px 3px 0 var(--coral);border-radius:2px}.graph-card,.node-panel,.teaching-card,.exercise-card,.chat-card,.chat-context,.explorer-card,.textbook-layout,.textbook-tools,.textbook-view-tabs,.archive-toolbar,.story-reader,.story-language-map,.archive-empty,.textbook-empty{border:2px solid var(--ink);background:var(--white);border-radius:0;box-shadow:5px 5px #14202ae0}.zero-banner,.explorer-zero{border:2px solid var(--ink);background:var(--lime);box-shadow:4px 4px 0 var(--ink)}.zero-banner>div span{color:var(--green)}.explorer-card{overflow:visible}.explorer-intro{border-bottom:3px solid var(--coral);background:#eff0e3}.live-dot{background:var(--lime);box-shadow:0 0 0 2px var(--ink);border-radius:1px}.display-toggle{border:2px solid var(--ink);background:var(--paper-deep);border-radius:0;padding:0}.display-toggle button,.display-toggle button.is-active{box-shadow:none;border-radius:0}.display-toggle button.is-active{background:var(--green);color:#fff}.explorer-query-area{border-bottom:2px solid var(--ink);background:var(--paper-deep)}.preset-row button,.query-tags span,.detail-type,.filter-row button,.textbook-domains button,.archive-toolbar button{border-radius:0}.preset-row button,.textbook-domains button{border:1px solid var(--ink);background:var(--white);box-shadow:2px 2px 0 var(--ink)}.preset-row button:hover,.preset-row button.is-active,.textbook-domains button.is-active,.archive-toolbar button.is-active{background:var(--coral);color:#fff}.graph-query-box{border:2px solid var(--ink);box-shadow:3px 3px 0 var(--blue)}.graph-query-box button{border:2px solid var(--ink);background:var(--lime);color:var(--ink);box-shadow:2px 2px 0 var(--ink)}.query-summary{border-bottom:2px solid var(--ink);background:#fffef4}.canvas-wrap{background-color:#d7dacb;background-image:radial-gradient(#14202a38 1px,#0000 1px),none;background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:12px 12px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box}.canvas-legend,.graph-legend{border:2px solid var(--ink);background:var(--white);box-shadow:3px 3px 0 var(--coral);-webkit-backdrop-filter:none;backdrop-filter:none;border-radius:0}.graph-viewport-controls{border:2px solid var(--ink);background:var(--white);box-shadow:3px 3px 0 var(--coral)}.graph-viewport-controls button{border-color:var(--ink)}.graph-gesture-hint{border:2px solid var(--ink);background:var(--green);color:#fff;box-shadow:3px 3px 0 var(--coral)}.explorer-detail{border-left:2px solid var(--ink)}.audio-clip,.graph-query-box,.graph-table-wrap{background:var(--white)}.audio-clip,.table-pagination button{border:1px solid var(--ink);box-shadow:2px 2px 0 var(--ink)}.graph-table th{background:var(--green);color:#fff}.graph-table td{border-color:var(--ink)}.graph-table tr.is-selected td{background:var(--lime)}.graph-node-pronunciation>button{border:1px solid var(--ink);background:var(--white);box-shadow:2px 2px 0 var(--ink)}.graph-node-pronunciation>button:hover,.graph-node-pronunciation>button.is-playing{background:var(--lime);box-shadow:1px 1px 0 var(--ink);transform:translate(1px,1px)}.graph-node-pronunciation>button>span{border:1px solid var(--ink);background:var(--coral);color:#fff}.cypher-panel{border:2px solid var(--ink);border-top:4px solid var(--coral);box-shadow:4px 4px 0 var(--ink);background:#101923}.story-library{border:2px solid var(--ink);background:var(--white);box-shadow:5px 5px 0 var(--ink)}.story-library>header{border-bottom:4px solid var(--coral);background:var(--green);color:#fff}.story-library>header span{color:#c8ceca}.story-library>header strong{font-family:inherit;font-weight:900}.story-library>header b{border:2px solid var(--white);background:var(--lime);color:var(--ink);box-shadow:2px 2px 0 var(--coral);border-radius:2px;font-family:inherit}.story-selector{background:var(--ink);box-shadow:none;border:0}.story-selector>button.is-active{background:var(--lime);color:var(--ink)}.story-selector>button>span{border:2px solid var(--ink);background:var(--blue);color:#fff;box-shadow:2px 2px 0 var(--ink);border-radius:2px}.story-selector .is-active small,.story-selector .is-active p{color:var(--muted)}.story-selector strong{font-family:inherit;font-weight:900}.story-selector i,.story-selector .is-active i{color:var(--coral)}.story-selector em{border:1px solid var(--ink);background:var(--paper-deep);color:var(--ink)}.story-library>footer{border-top:2px solid var(--ink);background:var(--paper-deep)}.story-library>footer>span{border:1px solid var(--ink);background:var(--blue);box-shadow:2px 2px 0 var(--ink);border-radius:2px}.story-reader>header{border-bottom:4px solid var(--coral);background:var(--green);color:#fff}.story-reader>header p{color:#c8ceca}.story-reader>header b{background:var(--lime);color:var(--ink);box-shadow:2px 2px 0 var(--coral);border:2px solid #fff;border-radius:2px}.story-scene{border-bottom:2px solid var(--ink);background:repeating-linear-gradient(0deg,#14202a0a,#14202a0a 2px,#0000 2px 5px),#eef0d9}.story-audio-tip{border-top:2px dashed var(--ink)}.story-dialogue{background:#c7c9c1;gap:8px;padding:12px;display:grid}.story-dialogue>button{border:2px solid var(--ink);border-bottom:4px solid var(--coral);background:var(--white);grid-template-columns:36px minmax(0,1fr);align-items:center;gap:9px;width:100%;margin:0;padding:7px 42px 7px 8px;display:grid;box-shadow:3px 3px #14202ab8}.story-dialogue>button:hover,.story-dialogue>button.is-speaking{border-color:var(--ink);border-bottom-color:var(--coral);background:#f8f8db;width:100%;margin:0;padding:7px 42px 7px 8px;transform:translate(2px,2px);box-shadow:1px 1px #14202ab8}.story-line-copy{text-align:left;min-width:0;display:grid}.story-line-copy>span{background:var(--green);color:#fff;text-transform:uppercase;letter-spacing:.08em;width:max-content;box-shadow:2px 2px 0 var(--coral);margin:-9px 0 2px;padding:2px 5px;font-size:7px}.story-line-copy p{color:var(--ink);margin:5px 0 2px;font-family:inherit;font-size:13px;font-weight:800}.story-line-copy small{color:var(--muted);font-family:inherit;font-size:8px;font-style:normal}.story-dialogue>button>b{border:2px solid var(--ink);background:var(--lime);color:var(--ink);border-radius:2px}.story-reader>footer{border-top:2px solid var(--ink);background:var(--paper-deep)}.story-reader>footer button{border:2px solid var(--ink);background:var(--white);box-shadow:2px 2px 0 var(--ink)}.story-language-map>header{border-bottom:4px solid var(--coral);background:#eff0e3}.story-sidebar-actions button{border:2px solid var(--ink);background:var(--lime);box-shadow:2px 2px 0 var(--ink);border-radius:2px}.story-pillar{border-bottom:2px solid var(--ink);background:var(--white)}.pillar-heading>span{border:1px solid var(--ink);background:var(--pillar);color:var(--ink);box-shadow:2px 2px 0 var(--ink);border-radius:2px}.story-node-card{border:1px solid var(--ink);background:#f6f5e8;box-shadow:2px 2px #14202a94}.story-node-card[open]{border:2px solid var(--ink);box-shadow:3px 3px 0 var(--pillar)}.story-node-toggle i{background:var(--pillar);color:var(--ink);border-radius:2px}.lesson-progress:before{border:2px solid var(--ink);background:var(--paper-deep);height:8px}.lesson-progress>span{border:2px solid var(--ink);background:var(--coral);height:8px;top:7px}.lesson-progress small{background:var(--paper);text-transform:uppercase}.lesson-header{border:2px solid var(--ink);border-bottom:5px solid var(--coral);background:var(--white);box-shadow:5px 5px 0 var(--ink);padding:18px}.back-button,.shuffle-button{border:1px solid var(--ink);background:var(--paper-deep);box-shadow:2px 2px 0 var(--ink);padding:8px}.generation-note,.graph-grounding{border:2px solid var(--ink);box-shadow:3px 3px 0 var(--blue);background:#e6e8d5}.section-number,.exercise-eyebrow{background:var(--green);color:#fff;width:max-content;box-shadow:2px 2px 0 var(--coral);padding:4px 6px}.teaching-card>p,.teaching-card-content>p,.review-lesson-content>p,.worked-example strong,.typed-answer input,.result-box strong,.textbook-chapter>p,.textbook-explanation,.textbook-exercise dd{font-family:inherit!important}.worked-example{border:2px solid var(--ink);background:var(--green);box-shadow:4px 4px 0 var(--coral)}.target-nodes button{border-top:1px solid var(--ink)}.choice-list button,.typed-answer>div{border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);background:#eeeee2}.choice-list button:hover,.choice-list button.is-selected,.typed-answer:focus-within>div{background:var(--lime);box-shadow:1px 1px 0 var(--ink);transform:translate(2px,2px)}.choice-list button>span{border:1px solid var(--ink);background:var(--white);border-radius:2px}.result-box{border:2px solid var(--ink);border-left:7px solid var(--lime);box-shadow:3px 3px 0 var(--ink);background:#edf1ca}.result-box.is-wrong{border-left-color:var(--coral);background:#f4d9d7}.textbook-summary,.archive-metrics{border-top:3px solid var(--ink)}.textbook-index{border-right:2px solid var(--ink);background:var(--paper-deep)}.textbook-index>button{border-bottom:1px solid var(--ink)}.textbook-index>button.is-active{background:var(--lime);box-shadow:inset 6px 0 var(--coral)}.textbook-index strong,.textbook-entry h2,.textbook-chapter h3,.textbook-exercise h3{font-family:inherit}.textbook-entry>header{border-bottom:4px solid var(--coral)}.textbook-chapter blockquote,.textbook-exercise{border:2px solid var(--ink);border-left:6px solid var(--coral);box-shadow:3px 3px 0 var(--ink)}.archive-metrics{border-left:2px solid var(--ink);background:var(--white);box-shadow:4px 4px 0 var(--ink)}.archive-metrics>div{border-color:var(--ink)}.archive-marker span{border:2px solid var(--ink);background:var(--lime);box-shadow:2px 2px 0 var(--coral);border-radius:2px}.archive-marker:after{background:var(--ink);width:3px}.archive-timeline article>button{border:2px solid var(--ink);border-bottom:5px solid var(--coral);background:var(--white);box-shadow:4px 4px 0 var(--ink)}.archive-timeline article>button:hover{box-shadow:2px 2px 0 var(--ink);transform:translate(2px,2px)}.ask-buddy-button,.composer,.file-chip{border:2px solid var(--ink);background:var(--white);box-shadow:3px 3px 0 var(--ink)}.messages{background:#c4c7bf}.message>div{border:2px solid var(--ink);border-bottom:4px solid var(--coral);background:var(--white);box-shadow:3px 3px 0 var(--ink);border-radius:0}.message.user>div{border-color:var(--ink);border-bottom-color:var(--blue);background:var(--green);border-radius:0}.message p{font-family:inherit;font-size:12px}.chat-context{background:var(--green);border-bottom:5px solid var(--coral)}.context-illustration b{border:2px solid var(--ink);box-shadow:4px 4px 0 var(--coral);border-radius:2px}.related-chips button,.try-prompts button{border:1px solid var(--ink);box-shadow:2px 2px 0 var(--ink);border-radius:0}.buddy-pet{filter:drop-shadow(3px 3px #14202ad9);image-rendering:pixelated}.buddy-ear{border:2px solid var(--ink);background:#f0b94a;border-radius:1px}.buddy-face{border:2px solid var(--ink);background:#f0b94a;border-radius:2px;box-shadow:inset -5px -4px #d58a37}.buddy-eye{background:var(--ink);border-radius:0}.buddy-mouth{border-color:var(--ink);border-radius:0}.buddy-sound{border:2px solid var(--ink);box-shadow:2px 2px 0 var(--lime);border-radius:2px}.tutor-launcher{box-shadow:none;background:0 0;border:0;border-radius:0}.tutor-drawer{border:3px solid var(--ink);border-bottom:6px solid var(--coral);background:var(--white);box-shadow:7px 7px 0 var(--ink)}.tutor-drawer>header{border-bottom:4px solid var(--coral);background:var(--green)}.tutor-context-strip{border-bottom:2px solid var(--ink);background:var(--lime)}.buddy-tools{border-bottom:2px solid var(--ink);background:var(--paper-deep)}.buddy-tools button,.buddy-tools label{border:1px solid var(--ink);background:var(--white);box-shadow:2px 2px 0 var(--ink)}.buddy-tools button.is-active{background:var(--lime);box-shadow:inset 0 -4px var(--coral),2px 2px 0 var(--ink)}.buddy-tools i,.buddy-message-file>i,.buddy-file-chip>i{border:1px solid var(--ink);border-radius:2px}.tutor-messages{background:#c4c7bf}.tutor-message{border:2px solid var(--ink);border-bottom:4px solid var(--coral);box-shadow:3px 3px 0 var(--ink);border-radius:0}.tutor-message.user{border:2px solid var(--ink);border-bottom:4px solid var(--blue);background:var(--green);border-radius:0}.buddy-message-file,.buddy-artifact,.buddy-file-chip{border:1px solid var(--ink);background:#f1f1e5}.buddy-artifact{box-shadow:2px 2px 0 var(--ink)}.buddy-artifact:hover{box-shadow:1px 1px 0 var(--ink);transform:translate(1px,1px)}.tutor-suggestions{border-top:2px solid var(--ink);background:var(--paper-deep)}.tutor-suggestions button{border:1px solid var(--ink);background:var(--white);box-shadow:2px 2px 0 var(--ink)}.tutor-composer{border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink)}.tutor-composer.is-lesson,.tutor-composer.is-exercise{border-color:var(--ink);border-bottom:4px solid var(--coral)}.tutor-composer>div:last-child>button{border:2px solid var(--ink);background:var(--lime);color:var(--ink);box-shadow:2px 2px 0 var(--ink);border-radius:0}.tutor-composer>div:last-child>button b{border:1px solid var(--ink);background:var(--coral);color:#fff;border-radius:2px}.buddy-lesson-cue{border:2px solid var(--ink);border-bottom:4px solid var(--coral);box-shadow:3px 3px 0 var(--ink);background:#f4f1d8}.buddy-lesson-cue.is-practice{border-color:var(--ink);background:#eaf0c8}.curriculum-page{padding-top:52px}.curriculum-heading{grid-template-columns:minmax(0,1fr) 360px;align-items:end;gap:48px;display:grid}.curriculum-heading h1{margin:7px 0 14px;font-size:clamp(44px,5.2vw,72px);line-height:.95}.curriculum-heading>div:first-child>p:last-child{max-width:710px;color:var(--muted);font-size:12px;line-height:1.6}.curriculum-stats{border:2px solid var(--ink);background:var(--white);box-shadow:4px 4px 0 var(--ink);grid-template-columns:repeat(3,1fr);display:grid}.curriculum-stats>div{border-right:1px solid var(--ink);text-align:center;gap:2px;min-width:0;padding:14px 10px;display:grid}.curriculum-stats>div:nth-child(3){border-right:0}.curriculum-stats strong{font-size:23px}.curriculum-stats span{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:8px}.curriculum-stats button{border:0;border-top:2px solid var(--ink);background:var(--lime);text-transform:uppercase;cursor:pointer;grid-column:1/-1;justify-content:space-between;padding:11px 13px;font-size:9px;font-weight:900;display:flex}.curriculum-toolbar{border:2px solid var(--ink);background:var(--paper-deep);box-shadow:4px 4px 0 var(--ink);grid-template-columns:minmax(270px,1fr) auto;align-items:end;gap:13px 18px;margin:36px 0 18px;padding:14px;display:grid}.curriculum-view-switch{border-bottom:1px solid var(--ink);grid-column:1/-1;justify-content:space-between;align-items:center;gap:14px;padding-bottom:12px;display:flex}.curriculum-view-switch>span{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:8px;font-weight:900}.curriculum-view-switch>div{gap:5px;display:flex}.curriculum-view-switch button{border:1px solid var(--ink);background:var(--white);min-width:74px;box-shadow:2px 2px 0 var(--ink);color:var(--muted);text-transform:uppercase;cursor:pointer;padding:8px 11px;font-size:8px;font-weight:900}.curriculum-view-switch button b{margin-right:5px;font-size:12px}.curriculum-view-switch button.is-active{background:var(--green);color:#fff}.curriculum-toolbar label,.curriculum-filter-group{gap:6px;display:grid}.curriculum-toolbar label>span,.curriculum-filter-group>span{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:8px;font-weight:900}.curriculum-toolbar input{border:0;border-bottom:2px solid var(--ink);background:var(--white);outline:0;width:100%;padding:10px;font:13px inherit}.curriculum-toolbar input:focus{background:#f3f6d6}.curriculum-filter-group>div,.curriculum-domains{flex-wrap:wrap;gap:5px;display:flex}.curriculum-filter-group button,.curriculum-domains button{border:1px solid var(--ink);background:var(--white);box-shadow:2px 2px 0 var(--ink);color:var(--muted);cursor:pointer;padding:8px 9px;font-size:8px;font-weight:850}.curriculum-filter-group button.is-active,.curriculum-domains button.is-active{background:var(--coral);color:#fff}.curriculum-domains{grid-column:1/-1}.curriculum-layout{border:2px solid var(--ink);background:var(--white);min-height:760px;box-shadow:5px 5px 0 var(--ink);grid-template-columns:340px minmax(0,1fr);display:grid}.curriculum-layout.is-map{grid-template-columns:minmax(410px,.86fr) minmax(0,1.14fr)}.curriculum-index{border-right:2px solid var(--ink);background:var(--paper-deep);min-width:0}.curriculum-index>header{border-bottom:4px solid var(--coral);background:var(--green);color:#fff;gap:4px;padding:14px;display:grid}.curriculum-index>header span{color:#d6dfda;text-transform:uppercase;letter-spacing:.1em;font-size:8px}.curriculum-index>header strong{font-size:13px}.curriculum-index>div{max-height:900px;overflow-y:auto}.curriculum-index button{border:0;border-bottom:1px solid var(--ink);text-align:left;cursor:pointer;background:0 0;grid-template-columns:44px minmax(0,1fr);gap:9px;width:100%;padding:13px;display:grid}.curriculum-index button:hover,.curriculum-index button.is-active{background:var(--white)}.curriculum-index button.is-active{box-shadow:inset 6px 0 var(--coral)}.curriculum-index button>span{color:var(--coral);font-size:10px;font-weight:900}.curriculum-index button>div{gap:3px;min-width:0;display:grid}.curriculum-index small{color:var(--muted);text-transform:uppercase;font-size:7px}.curriculum-index strong{font-size:11px;line-height:1.3}.curriculum-index p{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:8px;overflow:hidden}.curriculum-index i{color:var(--gold);font-style:normal}.curriculum-index i.is-ready{color:#56813c}.curriculum-map{border-right:2px solid var(--ink);background:var(--paper-deep);min-width:0}.curriculum-map>header{border-bottom:4px solid var(--coral);background:var(--green);color:#fff;justify-content:space-between;align-items:center;gap:14px;min-height:66px;padding:13px 15px;display:flex}.curriculum-map>header>div:first-child{gap:4px;display:grid}.curriculum-map>header span{color:#d6dfda;text-transform:uppercase;letter-spacing:.08em;font-size:8px}.curriculum-map>header strong{font-size:13px}.curriculum-map-legend{gap:9px;display:flex}.curriculum-map-legend span{white-space:nowrap;align-items:center;gap:4px;display:flex;color:#fff!important}.curriculum-map-legend i{color:var(--gold);font-style:normal}.curriculum-map-legend i.is-ready{color:var(--lime)}.curriculum-map-scroll{background-image:linear-gradient(90deg, transparent 49.7%, var(--line) 49.7%, var(--line) 50.3%, transparent 50.3%);max-height:1120px;padding:22px 18px 50px;overflow-y:auto}.curriculum-map-stage{border-bottom:2px dashed var(--line);margin:0 0 29px;padding:0 0 28px;position:relative}.curriculum-map-stage:last-child{border-bottom:0;margin-bottom:0}.curriculum-map-stage>header{border:2px solid var(--ink);background:var(--white);max-width:340px;box-shadow:3px 3px 0 var(--ink);justify-content:space-between;align-items:flex-start;gap:12px;margin:0 auto 14px;padding:9px 10px;display:flex}.curriculum-map-stage>header>div{align-items:flex-start;gap:8px;min-width:0;display:flex}.curriculum-map-stage>header>div>div{gap:3px;min-width:0;display:grid}.curriculum-map-stage>header span{border:1px solid var(--ink);background:var(--lime);place-items:center;width:28px;height:28px;font-size:8px;font-weight:900;display:grid}.curriculum-map-stage>header strong{text-transform:uppercase;font-size:10px}.curriculum-map-stage>header p{color:var(--muted);margin:0;font-size:7px;line-height:1.4}.curriculum-map-stage>header small{color:var(--muted);text-align:right;text-transform:uppercase;flex:none;font-size:7px}.curriculum-map-track{background:repeating-linear-gradient(180deg, transparent 0, transparent 34px, var(--line) 34px, var(--line) 36px, transparent 36px, transparent 79px);grid-template-columns:repeat(8,minmax(40px,1fr));gap:19px 8px;padding:9px 3px;display:grid;position:relative}.curriculum-map-track button{z-index:1;border:2px solid var(--ink);background:var(--white);width:46px;height:46px;box-shadow:3px 3px 0 var(--ink);cursor:pointer;border-radius:50%;align-content:center;justify-self:center;place-items:center;display:grid;position:relative}.curriculum-map-track button:nth-child(n+9):nth-child(-n+16){grid-row:2}.curriculum-map-track button:nth-child(9){grid-column:8}.curriculum-map-track button:nth-child(10){grid-column:7}.curriculum-map-track button:nth-child(11){grid-column:6}.curriculum-map-track button:nth-child(12){grid-column:5}.curriculum-map-track button:nth-child(13){grid-column:4}.curriculum-map-track button:nth-child(14){grid-column:3}.curriculum-map-track button:nth-child(15){grid-column:2}.curriculum-map-track button:nth-child(16){grid-column:1}.curriculum-map-track button[data-level=A1]{background:#eaf0c8}.curriculum-map-track button[data-level=A2]{background:#ffe0d7}.curriculum-map-track button[data-level=B1]{background:#dcebf2}.curriculum-map-track button[data-level=B2]{background:#eadff2}.curriculum-map-track button:hover{box-shadow:4px 4px 0 var(--ink);transform:translate(-1px,-1px)}.curriculum-map-track button.is-active{background:var(--green);color:#fff;box-shadow:0 0 0 4px var(--coral),5px 5px 0 var(--ink)}.curriculum-map-track button small{color:inherit;letter-spacing:.05em;font-size:6px;font-weight:900}.curriculum-map-track button strong{font-size:11px;line-height:1}.curriculum-map-track button i{border:1px solid var(--ink);background:var(--gold);width:15px;height:15px;color:var(--ink);border-radius:50%;place-items:center;font-size:7px;font-style:normal;display:grid;position:absolute;bottom:-3px;right:-3px}.curriculum-map-track button.is-ready i{background:var(--lime)}.curriculum-story-checkpoints{gap:9px;margin:14px 3px 0;display:grid}.curriculum-story-checkpoints>button{border:2px solid var(--ink);border-bottom:5px solid var(--coral);width:100%;box-shadow:3px 3px 0 var(--ink);text-align:left;cursor:pointer;background:#f4f1d8;gap:4px;padding:12px;display:grid}.curriculum-story-checkpoints span,.curriculum-story-bridge span{color:var(--coral);letter-spacing:.09em;text-transform:uppercase;font-size:7px;font-weight:900}.curriculum-story-checkpoints strong{font-size:12px}.curriculum-story-checkpoints p{color:var(--muted);margin:0;font-size:8px;line-height:1.45}.curriculum-story-checkpoints b{color:var(--green);text-transform:uppercase;margin-top:3px;font-size:8px}.curriculum-lesson{min-width:0;padding:clamp(25px,4vw,54px)}.curriculum-sequence-nav{grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin-bottom:24px;display:grid}.curriculum-sequence-nav button{border:1px solid var(--ink);background:var(--paper-deep);box-shadow:2px 2px 0 var(--ink);text-transform:uppercase;cursor:pointer;padding:8px 10px;font-size:8px;font-weight:850}.curriculum-sequence-nav button:last-child{justify-self:end}.curriculum-sequence-nav button:disabled{opacity:.32;cursor:default;box-shadow:none}.curriculum-sequence-nav>span{color:var(--muted);font-size:8px}.curriculum-sequence-nav.is-footer{grid-template-columns:1fr 1fr;margin:28px 0 0}.curriculum-sequence-nav.is-footer button:last-child{justify-self:end}.curriculum-lesson>header{border-bottom:4px solid var(--coral);justify-content:space-between;gap:24px;padding-bottom:24px;display:flex}.curriculum-lesson>header span,.curriculum-context span,.micro-lesson-body section>span{color:var(--muted);text-transform:uppercase;letter-spacing:.11em;font-size:8px;font-weight:900}.curriculum-lesson>header h2{margin:9px 0;font-size:clamp(30px,3.5vw,50px);line-height:1}.curriculum-lesson>header p{color:var(--muted);margin:0;font-size:12px;line-height:1.55}.curriculum-lesson>header>b,.micro-lesson summary>b{border:1px solid var(--ink);text-transform:uppercase;white-space:nowrap;height:max-content;padding:6px 8px;font-size:7px}.curriculum-lesson b.is-ready,.micro-lesson b.is-ready{color:#486b31;background:#e4f2d5}.curriculum-lesson b.is-review,.micro-lesson b.is-review{color:#845b13;background:#f8e3b5}.curriculum-context{background:var(--ink);border:2px solid var(--ink);grid-template-columns:1.4fr .6fr;gap:1px;margin:22px 0;display:grid}.curriculum-context>div{background:var(--paper);padding:15px}.curriculum-context p{margin:7px 0 0;font-size:11px;line-height:1.5}.sound-audio-banner{border:2px solid var(--ink);border-bottom:6px solid var(--lime);background:var(--green);color:#fff;box-shadow:4px 4px 0 var(--ink);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;margin:-8px 0 24px;padding:15px 17px;display:grid}.sound-audio-banner>span{border:2px solid var(--ink);background:var(--lime);width:42px;height:42px;color:var(--ink);letter-spacing:-2px;border-radius:50%;place-items:center;font-size:11px;font-weight:950;display:grid}.sound-audio-banner small{color:var(--lime);letter-spacing:.11em;text-transform:uppercase;font-size:7px;font-weight:900}.sound-audio-banner strong{margin-top:4px;font:500 17px/1.3 Georgia,serif;display:block}.sound-audio-banner p{color:#d6dfda;margin:3px 0 0;font-size:9px;line-height:1.45}.sound-audio-banner>b{border:1px solid var(--lime);color:var(--lime);text-transform:uppercase;white-space:nowrap;padding:6px 8px;font-size:7px}.sound-audio-error{color:#a14432;background:#fff0e8;border:1px solid #a14432;margin:-13px 0 24px;padding:9px 11px;font-size:9px}.curriculum-story-bridge{border:2px solid var(--ink);border-bottom:6px solid var(--coral);box-shadow:4px 4px 0 var(--ink);background:#f4f1d8;margin:0 0 24px}.curriculum-story-bridge>header{border-bottom:2px solid var(--ink);padding:16px}.curriculum-story-bridge h3{margin:5px 0 4px;font-size:20px}.curriculum-story-bridge>header p{max-width:620px;color:var(--muted);margin:0;font-size:9px;line-height:1.5}.curriculum-story-bridge>div{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:12px;display:grid}.curriculum-story-bridge button{border:1px solid var(--ink);background:var(--white);min-width:0;box-shadow:2px 2px 0 var(--ink);text-align:left;cursor:pointer;gap:4px;padding:12px;display:grid}.curriculum-story-bridge button strong{font-size:13px}.curriculum-story-bridge button p{color:var(--muted);margin:0;font-size:8px;line-height:1.45}.curriculum-story-bridge button b{color:var(--green);text-transform:uppercase;margin-top:4px;font-size:8px}.curriculum-review-note{border:2px solid var(--ink);border-left:7px solid var(--gold);box-shadow:3px 3px 0 var(--ink);background:#fff0c9;margin:20px 0;padding:13px 15px}.curriculum-review-note strong{text-transform:uppercase;font-size:9px}.curriculum-review-note p{color:#645126;margin:4px 0 0;font-size:10px;line-height:1.5}.micro-lesson-list{gap:13px;display:grid}.micro-lesson{border:2px solid var(--ink);background:var(--white);box-shadow:3px 3px 0 var(--ink)}.micro-lesson>summary{cursor:pointer;grid-template-columns:34px minmax(0,1fr) 16px;align-items:center;gap:12px;padding:15px;list-style:none;display:grid}.micro-lesson>summary::-webkit-details-marker{display:none}.micro-lesson>summary>span{background:var(--lime);border:1px solid var(--ink);width:31px;height:31px;box-shadow:2px 2px 0 var(--coral);place-items:center;font-weight:900;display:grid}.micro-lesson>summary>div{gap:3px;min-width:0;display:grid}.micro-lesson>summary small{color:var(--muted);text-transform:uppercase;font-size:7px}.micro-lesson>summary strong{font-size:15px}.micro-lesson>summary p{color:var(--muted);margin:0;font-size:9px;line-height:1.4}.micro-lesson>summary>i{font-style:normal;transition:transform .18s}.micro-lesson[open]>summary>i{transform:rotate(180deg)}.micro-lesson-body{border-top:4px solid var(--coral);background:#f6f5e8;gap:18px;padding:20px;display:grid}.micro-lesson-body section>p{margin:7px 0 0;font-size:11px;line-height:1.6}.micro-lesson-body blockquote{border-left:5px solid var(--lime);background:var(--green);color:#fff;margin:13px 0 0;padding:13px;font-size:12px;line-height:1.5;transition:transform .16s,box-shadow .16s}.micro-lesson-body blockquote.is-speaking{box-shadow:-4px 0 0 var(--coral);transform:translate(3px)}.micro-lesson-body blockquote small{color:var(--lime);text-transform:uppercase;margin-bottom:5px;font-size:7px;display:block}.micro-example-heading{justify-content:space-between;align-items:center;gap:12px;min-height:28px;margin-bottom:6px;display:flex}.micro-example-heading>small{margin:0!important}.sound-example-button{border:1px solid var(--ink);background:var(--lime);min-width:78px;color:var(--ink);box-shadow:2px 2px 0 var(--coral);text-transform:uppercase;cursor:pointer;justify-content:center;align-items:center;gap:6px;padding:7px 9px;font-size:8px;font-weight:900;display:inline-flex}.sound-example-button:hover{box-shadow:3px 3px 0 var(--coral);transform:translate(-1px,-1px)}.sound-example-button:focus-visible{outline:3px solid var(--coral);outline-offset:3px}.sound-example-button span{font-size:7px}.micro-lesson-body footer{border-top:1px solid var(--ink);grid-template-columns:auto 1fr;align-items:center;gap:15px;padding-top:13px;display:grid}.micro-lesson-body footer button{border:1px solid var(--ink);background:var(--lime);box-shadow:2px 2px 0 var(--ink);cursor:pointer;padding:9px 10px;font-size:8px;font-weight:900}.micro-lesson-body footer p{color:var(--muted);margin:0;font-size:9px;line-height:1.45}.prompt-provenance{color:var(--muted);font-size:8px}.prompt-provenance summary{cursor:pointer;text-transform:uppercase;font-weight:900}.prompt-provenance code{white-space:normal;background:#e5e5d7;margin-top:7px;padding:10px;line-height:1.5;display:block}.curriculum-state{border:2px solid var(--ink);background:var(--white);min-height:430px;box-shadow:4px 4px 0 var(--ink);text-align:center;align-content:center;place-items:center;padding:40px;display:grid}.curriculum-state>span{color:var(--coral);font-size:35px}.curriculum-state h2{margin:15px 0 6px;font-size:28px}.curriculum-state p{max-width:480px;color:var(--muted);margin:0;font-size:11px}.curriculum-state.is-error{background:#fff0e8}.lesson-grammar-notes{border:2px solid var(--ink);background:var(--paper-deep);box-shadow:4px 4px 0 var(--ink);margin:0 0 24px}.lesson-grammar-notes>header{border-bottom:4px solid var(--coral);background:var(--green);color:#fff;padding:16px}.lesson-grammar-notes>header span{color:var(--lime);letter-spacing:.1em;text-transform:uppercase;font-size:7px;font-weight:900}.lesson-grammar-notes>header h3{margin:6px 0 4px;font-size:21px}.lesson-grammar-notes>header p{color:#d6dfda;margin:0;font-size:9px;line-height:1.5}.lesson-grammar-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:12px;padding:13px;display:grid}.lesson-grammar-card{border:2px solid var(--ink);background:var(--white);min-width:0}.lesson-grammar-card>header{border-bottom:3px solid var(--coral);padding:14px}.lesson-grammar-card>header>span{border:1px solid var(--ink);background:var(--lime);margin-bottom:7px;padding:3px 6px;font-size:7px;font-weight:900;display:inline-block}.lesson-grammar-card h4{margin:0 0 6px;font-size:17px}.lesson-grammar-card>header p{color:var(--muted);margin:0;font-size:9px;line-height:1.45}.lesson-grammar-card>section{border-bottom:1px solid var(--line);padding:13px 14px}.lesson-grammar-card>section>strong,.lesson-grammar-card>aside>strong{color:var(--coral);letter-spacing:.1em;text-transform:uppercase;font-size:7px}.lesson-grammar-card ol{gap:5px;margin:7px 0 0;padding-left:17px;font-size:9px;line-height:1.45;display:grid}.grammar-table-scroll{border-bottom:1px solid var(--ink);overflow-x:auto}.lesson-grammar-card table{border-collapse:collapse;width:100%;font-size:8px}.lesson-grammar-card th,.lesson-grammar-card td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;padding:7px 8px}.lesson-grammar-card th{background:var(--paper-deep);color:var(--muted);text-transform:uppercase;font-size:7px}.lesson-grammar-card tr:last-child td{border-bottom:0}.lesson-grammar-card th:last-child,.lesson-grammar-card td:last-child{border-right:0}.lesson-grammar-examples{gap:7px;display:grid}.lesson-grammar-examples blockquote{border-left:4px solid var(--lime);background:var(--green);color:#fff;gap:3px;margin:0;padding:9px 11px;display:grid}.lesson-grammar-examples blockquote b{font-size:10px}.lesson-grammar-examples blockquote span{color:#d6dfda;font-size:8px}.lesson-grammar-card>aside{border:1px solid var(--ink);border-left:5px solid var(--gold);background:#fff0c9;margin:12px 14px;padding:10px}.lesson-grammar-card>aside p{color:#645126;margin:5px 0 0;font-size:9px;line-height:1.45}@media (width<=1080px){.page{width:92vw}.metric-row{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.graph-layout{grid-template-columns:1fr 285px}.ask-page{grid-template-columns:1fr}.ask-heading{grid-template-columns:1fr 1fr;column-gap:25px;display:grid}.ask-heading .kicker{grid-column:1/-1}.graph-query-box{grid-template-columns:140px 1fr auto}.explorer-results.has-selection{grid-template-columns:minmax(0,1fr) 250px}.textbook-layout{grid-template-columns:285px minmax(0,1fr)}.curriculum-heading{grid-template-columns:1fr}.curriculum-stats{max-width:540px}.curriculum-layout{grid-template-columns:290px minmax(0,1fr)}.curriculum-layout.is-map{grid-template-columns:minmax(380px,.9fr) minmax(0,1.1fr)}.lesson-grammar-grid{grid-template-columns:1fr}.story-browser-layout{grid-template-columns:230px minmax(0,1fr)}.story-workspace{grid-template-columns:minmax(285px,.72fr) minmax(0,1.28fr)}.archive-heading{grid-template-columns:1fr;gap:30px}.archive-metrics{max-width:620px}}@media (width<=760px){.topbar{grid-template-columns:auto 1fr;height:66px;padding:0 18px}.main-nav{z-index:40;background:var(--paper);border-top:1px solid var(--line);justify-content:space-around;align-items:stretch;gap:0;height:58px;position:fixed;bottom:0;left:0;right:0;overflow-x:auto}.main-nav button{border-top:2px solid #0000;border-bottom:0;flex:1;min-width:62px;padding-left:3px;padding-right:3px;font-size:9px}.main-nav button.is-active{border-top-color:var(--ink)}.profile{display:none}.brand-mark{width:31px;height:31px}.page{width:calc(100% - 28px);padding:34px 0 85px}.split-heading{display:block}.heading-actions{text-align:left;margin-top:26px}.page-heading h1{font-size:48px}.metric-row{margin-top:32px}.metric{min-height:82px;padding:14px}.metric strong{font-size:25px}.graph-layout,.lesson-grid,.chat-layout{grid-template-columns:1fr}.graph-card{overflow:hidden}.card-toolbar{flex-direction:column;align-items:flex-start;gap:10px;padding:15px}.filter-row{max-width:100%;overflow-x:auto}.zero-banner{flex-direction:column;align-items:flex-start}.explorer-zero{margin-top:26px}.explorer-intro,.query-summary{flex-direction:column;align-items:flex-start}.explorer-intro>div:first-child{flex-wrap:wrap;align-items:flex-start}.display-toggle{align-self:stretch}.display-toggle button{flex:1}.graph-query-box{grid-template-columns:1fr}.graph-query-box>div{border-right:0;border-bottom:1px solid var(--line);padding-bottom:9px}.graph-query-box textarea{padding:4px 0}.query-tags{justify-content:flex-start}.explorer-results.has-selection{grid-template-columns:1fr}.explorer-detail{border-left:0;border-top:1px solid var(--line)}.canvas-wrap,.graph-loading{min-height:470px}.full-graph-canvas{height:470px}.graph-viewport-controls{grid-template-columns:30px 45px 30px 30px;top:10px;right:10px}.graph-viewport-controls button{width:30px;height:30px}.graph-viewport-controls span{min-width:45px}.graph-gesture-hint{max-width:180px;line-height:1.35;bottom:48px;right:10px}.result-toolbar small{display:none}.cypher-panel>div{grid-template-columns:1fr}.cypher-params{border-top:1px solid #ffffff1a;border-left:0}.graph-canvas{transform-origin:0 0;min-width:650px;height:450px}.node-panel{min-height:430px}.lesson-header{grid-template-columns:auto 1fr;align-items:start;gap:18px}.lesson-header>div{text-align:left}.lesson-header h1{font-size:44px}.shuffle-button{grid-column:2;justify-self:start}.back-button span{display:none}.graph-grounding{grid-template-columns:1fr;margin-top:-10px}.graph-evidence-list{justify-content:flex-start}.graph-evidence-list>span{flex-wrap:wrap;align-items:flex-start}.teaching-card,.exercise-card{min-height:auto;padding:25px}.minimal-pair-player{grid-template-columns:1fr}.minimal-pair-player button{width:100%}.choice-list,.textbook-heading,.textbook-tools,.textbook-layout{grid-template-columns:1fr}.textbook-summary{width:100%}.textbook-view-tabs button{grid-template-columns:24px 1fr;padding:13px 11px}.textbook-view-tabs small{grid-column:2;justify-self:start}.textbook-domains{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto}.textbook-domains button{white-space:nowrap}.textbook-index{border-right:0;border-bottom:1px solid var(--line);max-height:280px}.textbook-entry{padding:26px 20px}.textbook-entry>header{flex-direction:column}.curriculum-toolbar{grid-template-columns:1fr}.curriculum-domains{flex-wrap:nowrap;grid-column:1;overflow-x:auto}.curriculum-domains button{white-space:nowrap}.curriculum-layout,.curriculum-layout.is-map{grid-template-columns:1fr}.curriculum-index{border-right:0;border-bottom:2px solid var(--ink)}.curriculum-index>div{max-height:310px}.curriculum-map{border-right:0;border-bottom:2px solid var(--ink)}.curriculum-map-scroll{max-height:520px}.curriculum-map-track{background:repeating-linear-gradient(180deg, transparent 0, transparent 31px, var(--line) 31px, var(--line) 33px, transparent 33px, transparent 64px);grid-template-columns:repeat(4,minmax(50px,1fr));gap:18px 10px}.curriculum-map-track button:nth-child(n),.curriculum-map-track button:nth-child(n+9):nth-child(-n+16){grid-area:auto;width:46px;height:46px}.curriculum-lesson{padding:24px 18px}.curriculum-lesson>header{flex-direction:column}.curriculum-context{grid-template-columns:1fr}.sound-audio-banner{grid-template-columns:auto minmax(0,1fr)}.sound-audio-banner>b{grid-column:1/-1;width:max-content}.curriculum-story-bridge>div{grid-template-columns:1fr}.curriculum-view-switch{flex-direction:column;align-items:flex-start}.curriculum-view-switch>div{width:100%;overflow-x:auto}.curriculum-view-switch button{white-space:nowrap}.lesson-grammar-grid{padding:10px}.micro-lesson>summary{grid-template-columns:34px minmax(0,1fr) 15px}.micro-lesson>summary>b{grid-column:2;width:max-content}.micro-lesson>summary>i{grid-area:1/3}.micro-lesson-body footer{grid-template-columns:1fr}.textbook-exercise{padding:20px}.textbook-exercise dl,.textbook-entry footer>div{grid-template-columns:1fr}.textbook-entry footer button:nth-child(2n){border-left:0;padding-left:0}.story-page-heading{gap:24px;display:grid}.story-page-heading h1{font-size:47px}.story-page-heading .primary-button{justify-self:start}.story-browser-layout{grid-template-columns:1fr}.story-library{max-height:340px;position:static}.story-selector>button{padding:14px}.story-workspace,.story-workspace.is-sidebar-collapsed{grid-template-columns:1fr}.story-reader{position:static}.story-reader>header,.story-scene,.story-dialogue,.story-reader>footer{padding-left:20px;padding-right:20px}.story-language-map>header{flex-direction:column;align-items:start;padding:20px}.story-language-map.is-collapsed{position:static}.story-language-map.is-collapsed>header{align-items:center;min-height:62px;padding:12px 15px}.story-language-map.is-collapsed .story-sidebar-actions{flex-direction:row;justify-content:space-between;width:100%}.story-language-map.is-collapsed .story-sidebar-actions b:after{width:auto;margin:0 0 0 3px;display:inline}.story-pillar{padding:20px}.story-word-grid,.story-phrase-list{grid-template-columns:1fr}.archive-heading h1{font-size:48px}.archive-metrics{grid-template-columns:1fr 1fr;width:100%}.archive-toolbar{flex-direction:column;align-items:flex-start}.archive-toolbar>div{width:100%;overflow-x:auto}.archive-toolbar button{white-space:nowrap}.archive-toolbar>span{display:none}.archive-timeline>article{grid-template-columns:38px 1fr}.archive-timeline article>button{padding:17px}.archive-timeline header,.archive-timeline footer{flex-wrap:wrap;align-items:flex-start}.archive-timeline header>div{flex-direction:column;align-items:flex-start}.archive-timeline footer strong{width:100%;margin-left:0}.ask-heading{display:block}.ask-heading h1{font-size:48px}.chat-context{order:-1}.context-illustration{display:none}.messages{min-height:420px;padding:20px}.tutor-launcher{bottom:70px;right:10px}.tutor-drawer{z-index:1000;border-bottom:0;border-left:0;border-right:0;width:100%;inset:66px 0 58px}.tutor-drawer>header small{max-width:220px}.main-nav{border-top:4px solid var(--coral);box-shadow:0 -3px 0 var(--lime);background:#14202a}.main-nav button{color:#c9ceca;border:0;border-right:1px solid #ffffff1f;min-width:68px}.main-nav button.is-active{border:0;border-top:4px solid var(--lime);background:var(--white);color:var(--ink);box-shadow:inset 0 -3px var(--coral)}.page{width:calc(100% - 24px)}.story-dialogue{padding:10px}.story-dialogue>button,.story-dialogue>button:hover,.story-dialogue>button.is-speaking{grid-template-columns:34px minmax(0,1fr);padding:7px 38px 7px 7px}.tutor-launcher{padding:0;bottom:70px;right:10px}.buddy-status-bubble{width:min(190px,100vw - 118px)}.tutor-drawer{box-shadow:none}.buddy-tools{grid-template-columns:repeat(2,minmax(0,1fr))}.buddy-tools button,.buddy-tools label{padding:7px}.buddy-lesson-cue{grid-template-columns:auto minmax(0,1fr)}.buddy-lesson-cue>button{grid-column:2;justify-self:start}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}:root{--paper:#f4f7f5;--paper-deep:#e9efec;--ink:#1f2b27;--muted:#66736e;--line:#d7e0db;--green:#285d49;--lime:#dcebdc;--coral:#cf655a;--blue:#5d91a0;--purple:#776d9d;--yellow:#e5bb58;--white:#fff}html{background:var(--paper)}body{color:var(--ink);background:#f7f9f8;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.55}body:after{display:none}*{text-shadow:none!important}button{box-shadow:none!important}button:hover{transform:none!important}button,input,textarea{font-family:inherit}input,textarea{line-height:1.5;font-size:14px!important}small{line-height:1.4;font-size:11px!important}.topbar{border-bottom:1px solid var(--line);height:68px;color:var(--ink);background:#fffffff5;padding:0 2.5vw;box-shadow:0 1px 10px #1f2b270a}.brand{color:var(--ink);letter-spacing:-.04em;text-transform:none;font-family:inherit;font-size:20px}.brand-mark,.assistant-mark{background:var(--green);color:#fff;box-shadow:none;border:0;border-radius:9px;font-family:inherit}.main-nav{gap:4px;height:68px}.main-nav button{height:38px;color:var(--muted);text-transform:none;letter-spacing:0;background:0 0;border:0;border-radius:8px;padding:0 12px;font-size:12px!important}.main-nav button:hover{background:var(--paper);color:var(--ink)}.main-nav button.is-active{color:var(--green);box-shadow:none;background:#e8f2ed;border:0}.profile{color:var(--ink);position:relative}.avatar{background:var(--green);color:#fff;box-shadow:none;border:0;border-radius:9px}.profile-menu{z-index:80;border:1px solid var(--line);width:280px;color:var(--ink);background:#fff;border-radius:12px;padding:8px;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 20px 50px #1f2b272e}.profile-menu header{border-bottom:1px solid var(--line);gap:3px;padding:11px 12px 13px;display:grid;overflow:hidden}.profile-menu header span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:10px}.profile-menu header strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.profile-menu>button{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;grid-template-columns:1fr auto;gap:3px 12px;padding:12px;display:grid}.profile-menu>button:hover,.profile-menu>button:focus-visible{background:#edf5f1}.profile-menu>button span{font-size:13px;font-weight:800}.profile-menu>button small{color:var(--muted);grid-column:1;font-size:10px!important}.profile-menu>button b{color:var(--green);grid-area:1/2/3;align-self:center}.settings-heading{justify-content:space-between;align-items:end;gap:40px;display:flex}.settings-heading h1{letter-spacing:-.05em;margin:0;font-size:clamp(46px,5vw,72px);line-height:.96}.settings-heading h1 em{color:var(--green);font-style:normal}.settings-heading p:last-child{max-width:620px;color:var(--muted)}.settings-heading>button{border:1px solid var(--line);color:var(--green);cursor:pointer;white-space:nowrap;background:#fff;border-radius:9px;padding:12px 15px;font-weight:750}.settings-heading>button span{margin-left:14px}.settings-grid{grid-template-columns:minmax(280px,.7fr) minmax(380px,1.3fr);gap:18px;margin-top:34px;display:grid}.settings-card{border:1px solid var(--line);background:#fff;border-radius:12px;padding:26px}.settings-card>span{color:var(--green);letter-spacing:.1em;text-transform:uppercase;font-size:10px;font-weight:850}.settings-identity{align-items:center;gap:14px;margin:22px 0;display:flex}.settings-identity>b{background:var(--green);color:#fff;border-radius:11px;place-items:center;width:48px;height:48px;display:grid}.settings-identity div{gap:3px;min-width:0;display:grid}.settings-identity strong{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.settings-identity small,.preference-card>p,.settings-save-status{color:var(--muted)}.account-card dl{border-top:1px solid var(--line);margin:0}.account-card dl div{border-bottom:1px solid var(--line);justify-content:space-between;gap:20px;padding:13px 0;display:flex}.account-card dt{color:var(--muted);font-size:11px}.account-card dd{text-align:right;margin:0;font-size:11px;font-weight:750}.preference-card h2{margin:20px 0 8px;font-size:26px}.preference-card>p{max-width:620px;margin:0}.session-length-options{grid-template-columns:repeat(4,1fr);gap:9px;margin:22px 0 16px;display:grid}.session-length-options button{border:1px solid var(--line);background:var(--paper);min-height:74px;color:var(--ink);cursor:pointer;border-radius:9px;align-content:center;place-items:center;gap:2px;display:grid}.session-length-options button.is-active{border-color:var(--green);color:var(--green);background:#e8f2ed}.session-length-options button:disabled{cursor:wait;opacity:.65}.session-length-options strong{font-size:20px}.session-length-options small{color:inherit}.learner-state-card{grid-column:1/-1}.learner-state-card h2{margin:20px 0 8px;font-size:26px}.learner-state-card>p{max-width:760px;color:var(--muted);margin:0}.clear-state-button{color:#963d3d;cursor:pointer;background:#fff;border:1px solid #b94f4f;border-radius:9px;margin-top:20px;padding:11px 14px;font-weight:800}.clear-state-confirm{background:#fff6f4;border:1px solid #d7aaaa;border-radius:9px;max-width:680px;margin-top:20px;padding:16px}.clear-state-confirm>strong{color:#7f3030}.clear-state-confirm>p{color:var(--muted);margin:6px 0 14px;font-size:12px}.clear-state-confirm>div{flex-wrap:wrap;gap:8px;display:flex}.clear-state-confirm button{border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;padding:10px 13px;font-weight:750}.clear-state-confirm button:first-child{color:#fff;background:#963d3d;border-color:#963d3d}.clear-state-confirm button:disabled{opacity:.65;cursor:wait}.clear-state-message{color:var(--green);margin-top:13px;display:block}.textbook-chapter blockquote>span{padding:5px 0;display:block}.page{width:min(1420px,92vw);padding-top:48px}.kicker{color:var(--green);box-shadow:none;letter-spacing:.06em;background:#e8f2ed;border:0;border-radius:999px;margin-bottom:15px;padding:6px 10px;font-size:11px!important}.page-heading h1,.ask-heading h1,.lesson-header h1,.story-page-heading h1,.textbook-heading h1,.archive-heading h1,.story-reader>header h2,.story-language-map>header h2,.pillar-heading h3,.teaching-card h2,.exercise-card h2,.textbook-entry h2,.textbook-chapter h3,.textbook-exercise h3,.archive-timeline h2,.chat-context h2,.query-summary h2,.explorer-detail h3,.node-panel h2{letter-spacing:-.035em;font-family:inherit;font-weight:700}.page-heading em,.ask-heading em,.story-page-heading h1 em,.archive-heading h1 em{color:var(--green);text-shadow:none}.page p{font-size:14px;line-height:1.6}.primary-button,.submit-button,.panel-action,.textbook-start-button{background:var(--green);color:#fff;text-transform:none;letter-spacing:0;border:0;border-radius:9px;min-height:42px;padding:0 16px;font-size:13px!important}.primary-button span,.submit-button span,.panel-action span,.textbook-start-button span{color:#fff}.graph-card,.node-panel,.teaching-card,.exercise-card,.chat-card,.chat-context,.explorer-card,.textbook-layout,.textbook-tools,.textbook-view-tabs,.archive-toolbar,.story-library,.story-reader,.story-language-map,.archive-empty,.textbook-empty,.metric-row,.zero-banner,.explorer-zero,.lesson-header,.generation-note,.graph-grounding,.archive-metrics,.archive-timeline article>button,.tutor-drawer{border:1px solid var(--line);background:var(--white);border-radius:14px;box-shadow:0 8px 28px #1f2b270f}.metric{border-color:var(--line);background:#fff;min-height:104px}.metric strong{color:var(--ink);text-shadow:none;font-family:inherit}.metric span,.metric i{letter-spacing:.02em;text-transform:none;font-size:11px!important}.level-ring{box-shadow:none;background:#e8f2ed;border:0;border-radius:50%}.zero-banner,.explorer-zero{background:#edf5f1}.explorer-intro,.explorer-query-area,.query-summary{border-color:var(--line);background:#fff}.preset-row button,.textbook-domains button,.archive-toolbar button{border:1px solid var(--line);color:var(--muted);box-shadow:none;background:#fff;border-radius:8px;font-size:12px!important}.preset-row button:hover,.preset-row button.is-active,.textbook-domains button.is-active,.archive-toolbar button.is-active{color:var(--green);background:#e8f2ed;border-color:#b9d2c7}.graph-query-box{border:1px solid var(--line);box-shadow:none;border-radius:10px}.graph-query-box>div strong,.graph-query-box textarea,.audio-clip strong{font-family:inherit}.graph-query-box button{background:var(--green);color:#fff;box-shadow:none;border:0;border-radius:8px;font-size:12px!important}.query-summary h2{font-size:25px}.query-summary p{font-size:13px}.query-tags span{background:var(--paper);border-radius:999px;padding:6px 9px;font-size:10px!important}.result-toolbar{min-height:48px;font-size:12px}.result-toolbar strong{font-size:13px}.canvas-wrap{overscroll-behavior:contain;background-color:#f6f9f7;background-image:radial-gradient(#285d4921 1px,#0000 1px),none;background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:16px 16px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box}.canvas-legend,.graph-legend,.graph-viewport-controls{border:1px solid var(--line);background:#fffffff2;border-radius:9px;box-shadow:0 4px 15px #1f2b2714}.canvas-legend span{text-transform:none;letter-spacing:0;font-size:10px}.graph-viewport-controls button{border-color:var(--line);background:#fff}.graph-viewport-controls button:last-child{border-left-color:var(--line)}.graph-gesture-hint{border:1px solid var(--line);color:var(--muted);box-shadow:none;text-transform:none;background:#fffffff0;border-radius:8px;font-size:10px}.graph-table{font-size:13px}.graph-table th{color:var(--muted);letter-spacing:.03em;background:#f1f5f3;padding:13px 14px;font-size:11px}.graph-table td{border-color:var(--line);padding:14px;font-size:13px;line-height:1.45}.graph-table tr:hover td,.graph-table tr.is-selected td{background:#edf5f1}.graph-table td strong{font-family:inherit;font-size:14px}.graph-table td small{font-size:10px!important}.graph-node-grapheme strong{color:var(--green);font-size:16px;font-weight:700}.graph-node-explanation{color:var(--ink);font-size:13px}.graph-node-pronunciation>button{border:1px solid var(--line);box-shadow:none;background:#fff;border-radius:8px}.graph-node-pronunciation>button:hover,.graph-node-pronunciation>button.is-playing{box-shadow:none;background:#e8f2ed;transform:none}.graph-node-pronunciation>button>span{background:var(--green);color:#fff;border:0;border-radius:5px}.graph-node-pronunciation>button strong{font-size:11px}.graph-node-pronunciation>button small{font-size:9px!important}.explorer-detail{border-color:var(--line)}.detail-type{border-radius:999px;font-size:10px}.story-library>header,.story-reader>header,.story-language-map>header{border-color:var(--line);color:var(--ink);background:#fff}.story-library>header span,.story-reader>header p{color:var(--muted)}.story-library>header b,.story-reader>header b{color:var(--green);box-shadow:none;background:#e8f2ed;border:0;border-radius:8px}.story-selector{background:var(--line)}.story-selector>button{border-bottom:1px solid var(--line);background:#fff}.story-selector>button.is-active{color:var(--ink);background:#edf5f1}.story-selector>button>span{background:var(--green);color:#fff;box-shadow:none;border:0;border-radius:7px}.story-selector em{background:var(--paper);color:var(--muted);border:0;border-radius:5px}.story-dialogue{background:#f3f6f4}.story-dialogue>button,.story-dialogue>button:hover,.story-dialogue>button.is-speaking{border:1px solid var(--line);box-shadow:none;background:#fff;border-radius:9px;transform:none}.story-line-copy>span{color:var(--green);box-shadow:none;background:#e8f2ed;border-radius:5px}.story-line-copy p{font-family:inherit;font-size:16px}.story-line-copy small{font-family:inherit}.story-pillar{border-color:var(--line);background:#fff}.pillar-heading>span{box-shadow:none;border:0;border-radius:7px}.story-node-card,.story-node-card[open]{border:1px solid var(--line);box-shadow:none;background:#fff;border-radius:8px}.lesson-header{border-bottom:1px solid var(--line)}.back-button,.shuffle-button{border:1px solid var(--line);box-shadow:none;background:#fff;border-radius:8px;font-size:12px!important}.teaching-card,.exercise-card{border-bottom:1px solid var(--line)}.section-number,.exercise-eyebrow{color:var(--green);box-shadow:none;background:#e8f2ed;border-radius:6px}.choice-list button,.typed-answer>div,.result-box,.worked-example{border:1px solid var(--line);box-shadow:none;border-radius:9px}.worked-example{background:var(--green)}.choice-list button:hover,.choice-list button.is-selected{background:#e8f2ed;transform:none}.textbook-view-tabs,.textbook-tools,.textbook-layout{box-shadow:0 8px 28px #1f2b270f}.textbook-view-tabs button.is-active{background:var(--green)}.textbook-index{border-color:var(--line);background:#f5f7f6}.textbook-index>button{border-color:var(--line)}.textbook-index>button.is-active{box-shadow:inset 4px 0 var(--green);background:#e8f2ed}.textbook-chapter blockquote,.textbook-exercise{border:1px solid var(--line);border-left:4px solid var(--green);box-shadow:none;border-radius:8px}.archive-marker span{border:1px solid var(--line);box-shadow:none;background:#fff;border-radius:50%}.archive-timeline article>button{border-bottom:1px solid var(--line)}.messages,.tutor-messages{background:#f1f5f3}.message>div,.tutor-message{border:1px solid var(--line);box-shadow:none;background:#fff;border-radius:10px}.message.user>div,.tutor-message.user{background:var(--green);border:0;border-radius:10px}.message p,.tutor-message p{font-family:inherit;font-size:14px}.chat-context{background:var(--green);color:#fff}.tutor-drawer{border-radius:16px;box-shadow:0 18px 50px #1f2b2729}.tutor-drawer>header{background:var(--green);border-bottom:1px solid #ffffff2e}.tutor-context-strip,.buddy-tools,.tutor-suggestions{border-color:var(--line);background:#fff}.buddy-tools button,.buddy-tools label,.tutor-suggestions button{border:1px solid var(--line);box-shadow:none;background:#fff;border-radius:7px}.buddy-tools button.is-active{box-shadow:none;background:#e8f2ed}.tutor-composer{border:1px solid var(--line);box-shadow:none;border-radius:10px}.buddy-nameplate{border:1px solid var(--line);background:var(--green);border-radius:7px;box-shadow:0 4px 12px #1f2b2724}.buddy-status-bubble{border:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:9px;box-shadow:0 6px 22px #1f2b271f}.main-nav .nav-count{background:var(--coral);color:#fff;border-radius:999px;place-items:center;min-width:19px;height:19px;margin-left:6px;padding:0 5px;font-size:10px;font-weight:800;display:inline-grid}.review-heading{grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr);align-items:end;gap:clamp(30px,6vw,90px);margin-bottom:38px;display:grid}.review-heading h1{letter-spacing:-.055em;margin:7px 0 16px;font-size:clamp(44px,5.5vw,76px);line-height:.98}.review-heading h1 em{color:var(--green);font-weight:inherit}.review-heading>div:first-child>p:last-child{max-width:680px;color:var(--muted);margin:0}.review-summary{border:1px solid var(--line);background:var(--white);border-radius:14px;grid-template-columns:repeat(3,1fr);gap:12px;padding:19px;display:grid;box-shadow:0 8px 28px #1f2b270f}.review-summary>div{text-align:center;gap:3px;min-width:0;padding:9px 5px;display:grid}.review-summary strong{letter-spacing:-.04em;font-size:27px}.review-summary span{color:var(--muted);font-size:10px}.review-summary>button{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:9px;grid-column:1/-1;min-height:44px;font-size:13px;font-weight:750}.review-summary>button:disabled{opacity:.5;cursor:default}.review-summary>button b{color:var(--lime);margin-left:8px}.review-layout{grid-template-columns:minmax(0,1.4fr) minmax(290px,.6fr);align-items:start;gap:18px;display:grid}.review-queue,.review-method,.review-empty{border:1px solid var(--line);background:#fff;border-radius:14px;box-shadow:0 8px 28px #1f2b270f}.review-queue>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:20px 22px;display:flex}.review-queue>header span,.review-method>span{color:var(--muted);letter-spacing:.07em;text-transform:uppercase;font-size:10px;font-weight:800}.review-queue>header h2{margin:4px 0 0;font-size:25px}.review-queue>header b{color:var(--green);background:#e8f2ed;border-radius:999px;padding:6px 9px;font-size:10px}.review-queue>div{display:grid}.review-queue>div>button{border:0;border-bottom:1px solid var(--line);width:100%;color:var(--ink);text-align:left;cursor:pointer;background:#fff;grid-template-columns:35px minmax(0,1fr) auto;align-items:center;gap:13px;padding:17px 20px;display:grid}.review-queue>div>button:last-child{border-bottom:0;border-radius:0 0 14px 14px}.review-queue>div>button:hover{background:#edf5f1}.review-queue>div>button>span{background:var(--green);color:#fff;border-radius:8px;place-items:center;width:32px;height:32px;font-size:11px;font-weight:800;display:grid}.review-queue button div{gap:3px;display:grid}.review-queue button small{color:var(--muted);font-size:10px}.review-queue button strong{font-size:15px}.review-queue button p{color:var(--muted);margin:0;font-size:11px}.review-queue button>i{background:var(--paper);min-width:48px;color:var(--green);text-align:center;border-radius:8px;padding:7px 8px;font-size:12px;font-style:normal;font-weight:800}.review-method{padding:25px}.review-method h2{margin:8px 0 23px;font-size:26px;line-height:1.15}.review-method ol{gap:18px;margin:0;padding:0;list-style:none;display:grid}.review-method li{grid-template-columns:32px 1fr;gap:11px;display:grid}.review-method li>b{color:var(--coral);font-size:11px}.review-method li div{gap:3px;display:grid}.review-method li strong{font-size:13px}.review-method li p{color:var(--muted);margin:0;font-size:11px;line-height:1.5}.review-method>button{border:1px solid var(--line);width:100%;color:var(--green);cursor:pointer;background:#e8f2ed;border-radius:8px;margin-top:24px;padding:12px;font-size:12px;font-weight:750}.review-empty{text-align:center;padding:60px 25px}.review-empty>span{color:var(--green);font-size:34px}.review-empty h2{margin:12px 0 7px}.review-empty p{color:var(--muted);margin:0 auto 20px}.history-view-switch{border:1px solid var(--line);background:#fff;border-radius:10px;gap:4px;width:max-content;margin:0 0 14px;padding:4px;display:flex}.history-view-switch button{min-width:130px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;justify-content:space-between;gap:18px;padding:9px 12px;font-size:12px;display:flex}.history-view-switch button.is-active{color:var(--green);background:#e8f2ed;font-weight:750}.history-view-switch span{opacity:.7}.history-actions{border-top:1px solid var(--line);background:#f5f7f6;grid-template-columns:repeat(3,1fr);gap:10px;padding:18px;display:grid}.history-actions button{border:1px solid var(--line);min-width:0;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border-radius:9px;gap:4px;padding:13px;display:grid}.history-actions button:hover{background:#edf5f1;border-color:#b9d2c7}.history-actions button span{color:var(--green);font-size:12px;font-weight:800}.history-actions button small{color:var(--muted);font-size:10px;line-height:1.4}@media (width<=760px){.topbar{border-bottom:1px solid var(--line);background:#fffffffa;grid-template-columns:1fr;align-items:stretch;height:auto;min-height:0;padding:0;box-shadow:0 1px 10px #1f2b270d}.brand{margin:12px 16px 8px}.profile{display:flex;position:absolute;top:10px;right:16px}.profile-menu{width:min(280px,100vw - 32px);top:calc(100% + 8px);right:0}.main-nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);width:100%;height:52px;box-shadow:none;background:#fff;grid-column:1/-1;justify-content:flex-start;position:static;inset:auto;overflow-x:auto}.main-nav button{min-width:62px;color:var(--muted);border:0;border-radius:0;flex:1 0 62px;font-size:11px!important}.main-nav button.is-active{color:var(--green);box-shadow:inset 0 -3px var(--green);background:#e8f2ed;border:0}.page{width:calc(100% - 28px);padding-top:30px;padding-bottom:58px}.page-heading h1,.ask-heading h1,.story-page-heading h1,.archive-heading h1{font-size:40px}.graph-gesture-hint{display:none}.tutor-launcher{bottom:12px}.tutor-drawer{border-radius:0;inset:116px 0 0}.review-heading,.review-layout,.lesson-grid.is-review-collapsed{grid-template-columns:1fr}.review-heading h1{font-size:42px}.review-summary{grid-template-columns:repeat(3,1fr)}.review-queue>div>button{grid-template-columns:32px minmax(0,1fr) auto;padding:15px 13px}.review-queue button p{display:none}.history-view-switch{width:100%}.history-view-switch button{flex:1;min-width:0}.history-actions{grid-template-columns:1fr}.settings-heading{flex-direction:column;align-items:flex-start;gap:18px}.settings-heading h1{font-size:42px}.settings-grid{grid-template-columns:1fr}.session-length-options{grid-template-columns:repeat(2,1fr)}}.language-view-tabs{border-bottom:1px solid var(--line);background:#f5f7f6;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;padding:12px 16px;display:grid}.language-view-tabs button{border:1px solid var(--line);min-width:0;color:var(--muted);cursor:pointer;background:#fff;border-radius:9px;justify-content:space-between;align-items:center;gap:7px;padding:10px 11px;font-size:12px;font-weight:700;display:flex}.language-view-tabs button:hover{color:var(--green);background:#edf5f1;border-color:#b9d2c7}.language-view-tabs button.is-active{border-color:var(--green);background:var(--green);color:#fff}.language-view-tabs small{text-align:center;background:#285d4917;border-radius:999px;min-width:24px;padding:3px 5px;font-size:9px}.language-view-tabs .is-active small{color:#fff;background:#ffffff29}.language-view-summary{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;gap:22px;min-height:102px;padding:20px;display:flex}.language-view-summary>div:first-child{min-width:220px}.language-view-summary>div:first-child>span{color:var(--green);letter-spacing:.08em;text-transform:uppercase;font-size:10px;font-weight:800}.language-view-summary h2{letter-spacing:-.025em;margin:4px 0 3px;font-size:27px}.language-view-summary p{color:var(--muted);margin:0;font-size:13px}.progress-mini-metrics{gap:8px;margin-left:auto;display:flex}.progress-mini-metrics span{border:1px solid var(--line);min-width:115px;color:var(--muted);border-radius:9px;gap:2px;padding:10px 12px;font-size:10px;display:grid}.progress-mini-metrics strong{color:var(--ink);font-size:20px}.coverage-strip{border-bottom:1px solid var(--line);background:#f8faf9;grid-template-columns:repeat(5,1fr);gap:8px;padding:13px 16px;display:grid}.coverage-strip>span{border:1px solid var(--line);background:#fff;border-radius:9px;gap:6px;min-width:0;padding:10px;display:grid}.coverage-strip strong{font-size:11px}.coverage-strip small{color:var(--muted);font-size:9px}.coverage-strip i{background:#e5ebe8;border-radius:99px;height:5px;display:block;overflow:hidden}.coverage-strip b{border-radius:inherit;background:var(--green);height:100%;display:block}.grammar-coverage{border-bottom:1px solid var(--line);background:linear-gradient(100deg,#285d4914,#c8e45b14);grid-template-columns:minmax(280px,1fr) minmax(430px,1.2fr);align-items:center;gap:18px;padding:14px 16px;display:grid}.grammar-coverage-intro{gap:4px;min-width:0;display:grid}.grammar-coverage-intro>span{color:var(--green);letter-spacing:.09em;text-transform:uppercase;font-size:9px;font-weight:850}.grammar-coverage-intro>strong{letter-spacing:-.02em;font-size:16px}.grammar-coverage-intro>p{max-width:680px;color:var(--muted);margin:0;font-size:10px;line-height:1.45}.grammar-level-counts{grid-template-columns:repeat(6,1fr);gap:6px;display:grid}.grammar-level-counts button{border:1px solid var(--line);min-width:0;color:var(--muted);cursor:pointer;text-align:center;background:#ffffffe6;border-radius:8px;gap:1px;padding:8px 5px;display:grid}.grammar-level-counts button:hover,.grammar-level-counts button.is-active{border-color:var(--green);background:var(--green);color:#fff}.grammar-level-counts span{font-size:8px;font-weight:850}.grammar-level-counts strong{color:var(--ink);font-size:17px}.grammar-level-counts button.is-active strong{color:#fff}.grammar-level-counts small{text-transform:uppercase;font-size:7px}.language-view-controls{border-bottom:1px solid var(--line);background:#fff;align-items:end;gap:10px;min-height:72px;padding:12px 16px;display:flex}.language-view-controls label{gap:5px;min-width:145px;display:grid}.language-view-controls label>span{color:var(--muted);font-size:9px;font-weight:750}.language-view-controls .map-search{flex:1;min-width:230px}.language-view-controls .grammar-topic-filter{min-width:220px}.language-view-controls input,.language-view-controls select{border:1px solid var(--line);width:100%;min-height:38px;color:var(--ink);font:inherit;background:#fff;border-radius:8px;padding:0 10px;font-size:12px}.language-view-controls input:focus,.language-view-controls select:focus{outline-offset:1px;outline:2px solid #b9d2c7}.segmented-control{border:1px solid var(--line);background:#f1f5f3;border-radius:9px;gap:3px;min-height:38px;padding:3px;display:flex}.segmented-control button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;padding:7px 10px;font-size:11px}.segmented-control button.is-active{color:var(--green);background:#fff;font-weight:750;box-shadow:0 1px 4px #1f2b271a}.graph-table-vocabulary,.graph-table-grammar,.graph-table-sounds,.graph-table-morphology,.graph-table-progress{min-width:1180px}.graph-table-sounds{min-width:1450px}.graph-node-example{min-width:190px;max-width:270px;color:var(--green);font-style:italic}.confidence-value{min-width:45px;color:var(--green);font-size:14px;font-weight:800;display:inline-block}.map-empty{min-height:260px;color:var(--muted);text-align:center;align-content:center;place-items:center;gap:7px;padding:35px;display:grid}.map-empty strong{color:var(--ink);font-size:18px}.map-empty p{max-width:430px;margin:0;font-size:12px}.skill-tree-wrap{background-color:#f6f9f7;background-image:radial-gradient(#285d491c 1px,#0000 1px),none;background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:16px 16px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;min-height:590px;overflow-x:auto}.skill-tree-legend{z-index:3;border:1px solid var(--line);background:#fffffff5;border-radius:9px;gap:13px;width:max-content;margin:13px;padding:8px 10px;display:flex;position:sticky;left:0;box-shadow:0 4px 15px #1f2b2712}.skill-tree-legend span{color:var(--muted);align-items:center;gap:5px;font-size:9px;display:flex}.skill-tree-legend i{background:#d9dedb;border-radius:50%;width:8px;height:8px}.skill-tree-legend i.is-ready{background:var(--blue)}.skill-tree-legend i.is-progress{background:var(--coral)}.skill-tree-legend i.is-secure{background:var(--green)}.skill-tree{grid-auto-columns:235px;grid-auto-flow:column;align-items:start;gap:25px;width:max-content;min-width:100%;padding:5px 16px 24px;display:grid}.skill-stage{position:relative}.skill-stage:not(:last-child):after{content:"→";color:#98a6a0;font-size:17px;font-weight:800;position:absolute;top:7px;right:-20px}.skill-stage>header{align-items:center;gap:8px;height:35px;margin-bottom:8px;display:flex}.skill-stage>header span{background:var(--green);color:#fff;border-radius:7px;place-items:center;width:25px;height:25px;font-size:9px;font-weight:800;display:grid}.skill-stage>header strong{font-size:12px}.skill-stage>div{gap:8px;display:grid}.skill-stage button{border:1px solid var(--line);width:100%;min-height:88px;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border-radius:9px;gap:4px;padding:11px 11px 14px;display:grid;position:relative;overflow:hidden;box-shadow:0 3px 12px #1f2b270d}.skill-stage button:hover,.skill-stage button.is-selected{border-color:var(--green);transform:translateY(-1px);box-shadow:0 6px 15px #1f2b271a}.skill-stage button small{color:var(--muted);text-transform:uppercase;font-size:8px}.skill-stage button strong{font-size:12px;line-height:1.25}.skill-stage button span{color:var(--muted);font-size:8px;line-height:1.35}.skill-stage button>i{background:#d9dedb;height:4px;position:absolute;bottom:0;left:0}.skill-stage button.is-ready{background:#f2f6fd;border-color:#a9c3ed}.skill-stage button.is-ready>i{background:var(--blue);width:100%!important}.skill-stage button.is-progress{background:#fff8f5;border-color:#eab09e}.skill-stage button.is-progress>i{background:var(--coral)}.skill-stage button.is-secure{background:#edf5f1;border-color:#a9c8bc}.skill-stage button.is-secure>i{background:var(--green)}.explorer-results.has-selection{grid-template-columns:minmax(0,1fr) 360px}.grammar-rule-details{gap:12px;margin-top:20px;display:grid}.explorer-detail:has(.grammar-rule-details)>p{display:none}.grammar-rule-tags{flex-wrap:wrap;gap:5px;display:flex}.grammar-rule-tags span{border:1px solid var(--line);background:var(--paper);color:var(--muted);text-transform:capitalize;border-radius:999px;padding:5px 7px;font-size:7px;font-weight:800}.grammar-rule-details article{border:1px solid var(--line);background:#f8faf9;border-radius:9px;gap:7px;padding:11px;display:grid}.grammar-rule-details article>span{color:var(--green);letter-spacing:.08em;text-transform:uppercase;font-size:8px;font-weight:850}.grammar-rule-details article>code{overflow-wrap:anywhere;background:var(--green);color:#fff;border-radius:6px;padding:9px;font-size:10px;line-height:1.45}.grammar-rule-details article p{color:var(--ink);margin:0;font-size:10px;line-height:1.45}.grammar-simple-explanation{background:#f3f8e9!important;border-color:#c4d89b!important}.grammar-simple-explanation p{font-size:12px!important;line-height:1.55!important}.grammar-detailed-explanation{border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px 11px}.grammar-detailed-explanation summary{cursor:pointer;color:var(--green);font-size:9px;font-weight:800}.grammar-detailed-explanation p{color:var(--muted);margin:9px 0 0;font-size:10px;line-height:1.5}.grammar-example p{border-left:3px solid var(--lime);gap:3px;padding-left:9px;display:grid}.grammar-example strong{font-family:Georgia,serif;font-size:14px;font-weight:500}.grammar-example small{color:var(--muted);font-size:9px}.grammar-rule-details ul{color:var(--muted);margin:0;padding-left:17px;font-size:9px;line-height:1.5}.grammar-sources>div{gap:6px;display:grid}.grammar-sources a{color:var(--green);background:#fff;border-radius:6px;gap:3px;padding:8px;font-size:9px;font-weight:800;text-decoration:none;display:grid}.grammar-sources a:hover{box-shadow:0 0 0 1px var(--green)}.grammar-sources a small{color:var(--muted);font-size:8px;font-weight:500;line-height:1.35}@media (width<=1000px){.language-view-tabs{grid-template-columns:repeat(3,1fr)}.language-view-summary{flex-wrap:wrap}.progress-mini-metrics{order:3;width:100%;margin-left:0}.progress-mini-metrics span{flex:1}.coverage-strip{grid-template-columns:repeat(3,1fr)}.grammar-coverage{grid-template-columns:1fr}.language-view-controls{flex-wrap:wrap}.explorer-results.has-selection{grid-template-columns:minmax(0,1fr) 310px}}@media (width<=760px){.language-view-tabs{grid-template-columns:repeat(2,1fr);padding:10px}.language-view-tabs button{font-size:11px}.language-view-summary{align-items:stretch;padding:17px 14px}.language-view-summary .display-toggle{width:100%}.progress-mini-metrics{overflow-x:auto}.progress-mini-metrics span{min-width:105px}.coverage-strip{grid-template-columns:1fr 1fr}.grammar-coverage{padding:13px 11px}.grammar-level-counts{grid-template-columns:repeat(3,1fr)}.language-view-controls{align-items:stretch;padding:11px}.language-view-controls label,.language-view-controls .map-search{flex:1;min-width:calc(50% - 5px)}.segmented-control{width:100%}.segmented-control button{flex:1}.skill-tree-wrap{min-height:470px}.skill-tree{grid-auto-columns:215px}.explorer-results.has-selection{grid-template-columns:1fr}.main-nav{justify-content:flex-start;overflow-x:auto}.main-nav button{min-width:62px;padding-inline:6px}.home-welcome,.climbing-heading,.climbing-workspace,.reading-ramp{grid-template-columns:1fr;gap:22px}.home-welcome h1,.climbing-heading h1{font-size:44px}.home-scorecard{border-left:0;border-top:1px solid var(--line);padding:16px 0 0}.recommended-session{flex-direction:column;align-items:stretch;padding:22px}.recommended-session>button{width:100%;min-width:0}.session-composition ol{grid-template-columns:1fr}.coverage-ladder header{flex-direction:column;align-items:start}.coverage-ladder>div{grid-template-columns:1fr 1fr}.learning-arc>header{flex-direction:column;align-items:start}.learning-arc ol{grid-template-columns:1fr}.learning-arc li{border-right:0;border-bottom:1px solid var(--line)}.learning-arc li:last-child{border-bottom:0}.arc-input{grid-template-columns:1fr;gap:8px}}.learning-arc .lesson-only-arc{grid-template-columns:repeat(3,1fr)}.learning-arc .exercise-only-arc{grid-template-columns:repeat(4,1fr)}.lesson-grid.is-lesson-completion{grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);align-items:start}.lesson-completion-card{border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;justify-content:space-between;gap:30px;min-height:360px;padding:34px;display:flex;box-shadow:0 16px 40px #1f2b270f}.lesson-completion-card.is-complete{background:#f3f8e9;border-color:#c4d89b}.lesson-completion-card.is-today-next{border-color:var(--line);background:#fff;justify-content:center;min-height:0;padding:24px}.lesson-completion-card.is-today-next .primary-button{justify-content:space-between;align-items:center;width:100%;min-height:52px;display:flex}.lesson-completion-copy{align-items:flex-start;gap:16px;display:flex}.lesson-completion-copy>div{min-width:0}.lesson-completion-copy h2{margin:4px 0 10px;font-size:28px;line-height:1.1}.lesson-completion-copy p{color:var(--muted);margin:0;font-size:12px;line-height:1.6}.lesson-completion-actions{gap:10px;display:grid}.lesson-completion-actions>button:not(.primary-button){border:1px solid var(--line);color:var(--green);cursor:pointer;background:#fff;border-radius:8px;padding:11px 13px;font-size:11px;font-weight:750}.lesson-completion-actions>button:not(.primary-button):hover{border-color:var(--green);background:#edf5f1}.lesson-completion-actions .primary-button:disabled{cursor:wait;opacity:.65;box-shadow:none;transform:none}@media (width<=900px){.lesson-grid.is-lesson-completion{grid-template-columns:1fr}.lesson-completion-card{min-height:0}}@media (width<=760px){.learning-arc .lesson-only-arc,.learning-arc .exercise-only-arc{grid-template-columns:1fr}.lesson-completion-card{padding:24px}}.learn-page ::selection{background:var(--lime)}@supports (color:color-mix(in lab, red, red)){.learn-page ::selection{background:color-mix(in srgb,var(--lime) 72%,white)}}.learn-page ::selection{color:var(--ink)}.ask-lili-selection{z-index:140;background:var(--green);color:#fff;cursor:pointer;border:1px solid #ffffff38;border-radius:999px;align-items:center;gap:4px;min-height:38px;padding:3px 12px 3px 4px;animation:.14s ease-out both ask-lili-in;display:flex;position:fixed;transform:translate(-50%);box-shadow:0 8px 24px #1f2b2740}.ask-lili-selection:hover,.ask-lili-selection:focus-visible{background:#183d31;transform:translate(-50%)translateY(-2px)}.ask-lili-selection .buddy-pet{filter:none;margin:-2px -4px -2px -3px;transform:scale(.72)}.ask-lili-selection>span{white-space:nowrap;font-size:11px;font-weight:800}@keyframes ask-lili-in{0%{opacity:0;transform:translate(-50%)translateY(-4px)scale(.96)}}.buddy-selection-chip{border:1px solid #c4d89b;border-left:3px solid var(--green);background:#f3f8e9;border-radius:7px;grid-template-columns:minmax(0,1fr) auto;gap:8px;margin:-2px -2px 9px;padding:8px 8px 8px 10px;display:grid}.buddy-selection-chip>span{gap:3px;min-width:0;display:grid}.buddy-selection-chip b{color:var(--green);letter-spacing:.06em;text-transform:uppercase;font-size:8px;font-style:normal}.buddy-selection-chip small{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font:11px/1.4 Georgia,serif;overflow:hidden}.buddy-selection-chip>button{color:var(--muted);cursor:pointer;background:0 0;border:0;align-self:start;font-size:16px;line-height:1}.buddy-message-selection{border-left:3px solid var(--lime);background:#ffffff1a;border-radius:4px;margin:0 0 9px;padding:8px 10px}.tutor-message.assistant .buddy-message-selection{border-left-color:var(--green);background:var(--paper)}.buddy-message-selection>span{color:inherit;letter-spacing:.05em;text-transform:uppercase;opacity:.7;margin-bottom:3px;font-size:8px;font-weight:800;display:block}.buddy-message-selection>p{-webkit-line-clamp:4;-webkit-box-orient:vertical;font-size:12px;line-height:1.4;display:-webkit-box;overflow:hidden}@media (width<=760px){.ask-lili-selection{z-index:1100}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@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}