@font-face{font-family:Nunito Sans Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-sans-cyrillic-ext-wght-normal-7w74d1lj.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Nunito Sans Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-sans-cyrillic-wght-normal-B9hoeQUC.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Nunito Sans Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-sans-vietnamese-wght-normal-BhFYcaJr.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Nunito Sans Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-sans-latin-ext-wght-normal-DMEAsnHD.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito Sans Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-sans-latin-wght-normal-BWQ3gi2K.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{font-family:Nunito Sans Variable,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#202522;background:#fff;font-synthesis:none;font-size:16px;--ink: #202522;--muted: #60685f;--accent: #276338;--border: #e0e3dc;--subtle: #f5f7f1;--surface: #fff;--radius: 16px;color-scheme:light}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #285bc1;outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:850;letter-spacing:-.025em;text-wrap:balance}h1{font-size:40px;line-height:1.16}h2{font-size:25px;line-height:1.3}h3{font-size:20px;line-height:1.35}p{line-height:1.65}small{font-size:13px;line-height:1.6}svg{flex-shrink:0}input:not([type=checkbox]):not([type=radio]):not([type=range]),textarea,select{display:block;width:100%;padding:13px 15px;background:#fff;border:2px solid #d7dbd3;border-radius:12px;color:var(--ink);min-height:48px}textarea{resize:vertical;line-height:1.6}input::placeholder,textarea::placeholder{color:#66705f}input[type=checkbox],input[type=radio]{accent-color:#397553;width:20px;height:20px;flex-shrink:0}label{display:block;font-weight:750;line-height:1.6}label>input,label>textarea,label>select{margin-top:8px}fieldset{margin:0;padding:0;border:0;min-width:0}legend{font-weight:750;margin-bottom:12px;padding:0}figure{margin:20px 0}figure img{display:block;width:100%;max-height:280px;object-fit:contain}figcaption{font-size:13px;color:var(--muted);margin-top:8px}::selection{background:#d9ec97}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 19px;min-height:48px;border:2px solid #d6dad0;border-bottom-width:4px;border-radius:12px;background:#fff;color:var(--ink);font-weight:850;line-height:1.4;transition:background .16s,transform .16s}.button:hover:not(:disabled){background:#f4f7ed}.button:active:not(:disabled){transform:translateY(2px)}.button.primary{background:#283d28;color:#fff;border-color:#283d28;border-bottom-color:#132512}.button.primary:hover:not(:disabled){background:#3d5534}.button.small{font-size:14px;padding:8px 13px;min-height:42px}.button.full{width:100%}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:0;border-radius:10px;color:var(--muted);background:transparent}.icon-button:hover,.icon-button.selected{background:#e8eede;color:#28492e}.text-link{display:inline-flex;align-items:center;gap:7px;font-weight:800;color:#326647;background:transparent;border:0;padding:6px 0;min-height:40px}.text-link:hover{text-decoration:underline}.text-link.small{font-size:13px}.pill{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:750;white-space:nowrap;padding:7px 12px;border-radius:20px;background:#f0f4e7;color:#48603a}.button-row{display:flex;gap:10px;flex-wrap:wrap}.error-box{padding:15px 18px;background:#fff0e9;color:#813d2d;border-radius:12px;margin:15px 0}.field-error{font-size:14px;color:#873c2e;line-height:1.65;margin:10px 0}.help-text,.setup-note{font-size:14px;color:var(--muted);line-height:1.7}.setup-note{margin-top:24px}.optional{font-weight:400;color:var(--muted);font-size:14px}.status-label{font-size:12px;font-weight:750;color:#58604f;background:#f1f3ed;padding:5px 9px;border-radius:6px;white-space:nowrap}.status-label.success{background:#e4f2c7;color:#375223}.app-shell{min-height:100vh}.site-header{border-bottom:2px solid #eceee7;background:#fff}.header-inner{max-width:1248px;margin:auto;padding:0 32px;min-height:92px;display:flex;align-items:center;gap:40px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:24px;font-weight:950;letter-spacing:-.04em;white-space:nowrap}.brand-light{font-weight:650}.studio-mark{width:38px;height:38px;color:#365633}.site-header nav{display:flex;align-items:stretch;align-self:stretch;gap:8px;margin:auto}.nav-link{display:flex;align-items:center;gap:8px;padding:4px 12px 0;font-size:15px;font-weight:800;color:#697260;border-bottom:4px solid transparent;white-space:nowrap}.nav-link.active{color:#315d30;border-bottom-color:#90b443}.nav-link:hover{color:#28452c;background:#fbfcf7}.header-account{display:flex;align-items:center;gap:5px}.workspace-mode{font-size:12px;color:var(--muted);margin-right:8px}.account-button{background:#f1f3e9;border-radius:50%}.workspace{display:flex;flex-direction:column;min-height:calc(100vh - 94px)}.main-content{padding:45px 32px 64px;max-width:1248px;width:100%;margin:0 auto;flex:1;min-width:0}.app-footer{max-width:1184px;width:calc(100% - 64px);margin:auto;display:flex;justify-content:space-between;color:#68705f;font-size:12px;padding:24px 0;border-top:1px solid var(--border);gap:20px}.skip-link{position:fixed;top:-60px;left:20px;z-index:100;background:#fff;padding:12px 20px}.skip-link:focus{top:12px}.offline-banner{padding:14px 24px;background:#fff4d9;color:#68552b;font-size:14px}.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;gap:24px}.page-heading h1{font-size:42px;line-height:1.2}.page-heading p{color:var(--muted);margin-top:12px;font-size:16px}.page-heading.compact{align-items:flex-start;margin:12px 0 36px}.page-heading.compact h1{font-size:36px}.heading-icon{color:#78933e}.home-heading{margin-bottom:32px}.home-heading h1{font-size:39px}.home-feature-grid{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:24px;margin-bottom:44px}.continue-panel{display:flex;align-items:center;min-height:348px;background:#def38b;border-radius:16px;overflow:hidden;position:relative}.continue-copy{width:56%;padding:30px 0 30px 32px;position:relative;z-index:1}.continue-copy h2{font-size:34px;line-height:1.12;max-width:340px;font-weight:950;letter-spacing:-.03em}.continue-copy p{color:#435529;margin:17px 0 24px;font-size:15px;max-width:330px}.continue-copy .button{font-size:15px}.quiet-detail{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:#4b612c;margin-top:16px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:16px}.section-heading h2{font-size:25px}.section-heading .text-link{font-size:14px}.paths-section{margin-bottom:40px}.goal-list{border-top:2px solid #eceee6}.goal-row{display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--border);padding:22px 6px}.goal-row:hover{background:#f9fbf4}.subject-mark{width:65px;height:65px;flex-shrink:0;border-radius:15px;background:#eee6ff;display:flex;align-items:center;justify-content:center}.subject-mark.japanese{background:#ffdf8d;color:#745023;font-size:38px}.subject-mark.algebra{background:#dce7ff;color:#3d64b6}.subject-mark svg{width:30px;height:30px}.goal-row-copy{flex:1;min-width:0}.goal-row h3{font-size:21px}.goal-row p{color:var(--muted);font-size:15px;margin-top:3px;overflow-wrap:anywhere}.goal-meta{display:flex;gap:20px;font-size:12px;color:#636e58;margin-top:7px}.course-shelf{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.course-link,.curiosity-link{display:block;min-width:0;border-bottom:2px solid #e4e7dd;padding-bottom:24px}.course-copy{padding:20px 0 0}.course-copy h3{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:20px}.course-copy p{font-size:15px;margin-top:9px;color:var(--muted);max-width:32ch}.course-copy>span{display:block;margin-top:15px;font-size:13px;font-weight:800;color:#6b744f}.course-link:hover .course-copy h3,.curiosity-link:hover .course-copy h3{color:#306532}.course-link:hover .x-block,.course-link:hover .kanji-pair{transform:translateY(-4px)}.course-art{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0}.continue-panel>.course-art{width:44%;padding:20px 16px 20px 8px;align-self:stretch}.course-art p{font-size:12px;font-weight:750;color:#4a6133;margin-top:24px;text-align:center}.math-blocks{display:flex;align-items:center;gap:10px}.x-block{width:62px;height:75px;display:flex;justify-content:center;align-items:center;border-radius:11px;background:#4779e3;border-bottom:5px solid #2e55aa;color:#fff;font-size:36px;font-weight:800;transition:transform .2s}.x-block.offset{transform:translateY(-15px)}.math-plus{font-size:25px;font-weight:800;color:#415931}.unit-blocks{display:flex;gap:5px;flex-wrap:wrap;max-width:51px}.unit-blocks i,.answer-blocks i{display:block;width:23px;height:23px;background:#f8c74b;border-radius:5px;border-bottom:3px solid #d69f23}.equation-rule{height:40px;width:80%;display:flex;align-items:center;justify-content:center;position:relative;margin:2px 0 8px}.equation-rule:before,.equation-rule:after{content:"";height:2px;flex:1;background:#abc658}.equation-rule span{font-size:28px;font-weight:800;margin:0 12px;color:#4a672d}.answer-blocks{max-width:179px;display:flex;gap:6px;justify-content:center;flex-wrap:wrap}.course-art.compact{height:180px;border-radius:14px;background:#e4edff;overflow:hidden}.compact .x-block{height:52px;width:45px;font-size:28px}.compact .x-block.offset{transform:translateY(-8px)}.compact .unit-blocks{max-width:75px;flex-wrap:nowrap}.compact .unit-blocks i,.compact .answer-blocks i{width:18px;height:18px}.compact .answer-blocks{max-width:144px;gap:4px}.compact .equation-rule{width:160px;height:25px;margin:2px 0 5px}.compact p{display:none}.japanese-course.compact{background:#ffedba}.kana-speech{background:#fff;color:#704c1c;font-size:17px;font-weight:850;padding:9px 15px;border-radius:12px;margin-bottom:12px;transform:rotate(-5deg)}.kana-speech span{font-size:11px;font-weight:700;display:block;text-align:center;margin-top:2px}.kanji-pair{display:flex;gap:10px;transition:transform .2s}.kanji-pair>div{display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:10px;background:#f7cc69;width:72px;height:90px;border-bottom:4px solid #dbae49}.kanji-pair>div:last-child{background:#fff9e4;transform:rotate(6deg);border-bottom-color:#dbcb8d}.kanji-pair b{font-size:42px;color:#61471e;line-height:1.2;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif}.kanji-pair span{font-size:12px;color:#634c23}.compact .kanji-pair>div{height:74px;width:65px}.compact .kanji-pair b{font-size:35px}.compact .kana-speech{font-size:15px;margin-bottom:6px;padding:6px 13px}.compact .kana-speech span{display:none}.curiosity-art{height:180px;position:relative;border-radius:14px;background:#f0e7ff;overflow:hidden;display:flex;align-items:center;justify-content:center;gap:4px}.curiosity-art span,.curiosity-art b,.curiosity-art i{display:block;position:absolute;font-style:normal;font-weight:900;font-size:27px;letter-spacing:-.03em;padding:6px 14px;border-radius:10px;border-bottom:4px solid #bca9db;background:#fff;color:#695093;transform:rotate(-10deg) translate(-43px,-34px)}.curiosity-art b{transform:rotate(7deg) translate(30px,4px);background:#b6a0e5;color:#34274b;border-bottom-color:#8a70bb;z-index:1}.curiosity-art i{font-size:24px;transform:rotate(-6deg) translate(-30px,49px);background:#dfd0ff;color:#60448d}.tiny-challenge{padding:24px;background:#fafbf7;border:2px solid #e5e8dd;border-radius:16px}.challenge-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.challenge-heading h2{font-size:17px;letter-spacing:-.02em}.challenge-heading>span{font-size:12px;color:#41663c;font-weight:850;white-space:nowrap}.tiny-challenge>p{font-size:13px;color:#65705d;margin-top:9px}.mini-equation{display:flex;align-items:center;justify-content:center;gap:13px;margin-top:22px;font-size:22px;font-weight:850}.mini-equation b{display:inline-block;background:#e2eaff;color:#315ba9;border-radius:7px;min-width:32px;text-align:center;padding:2px 0}.balance-diagram{height:60px;position:relative;max-width:210px;margin:20px auto 3px}.scale-arm{display:flex;justify-content:space-between;border-bottom:4px solid #758568;padding:0 7px 5px;position:relative;z-index:1;transition:transform .24s cubic-bezier(.16,1,.3,1)}.scale-arm span{background:#e3e9d9;border-radius:6px;padding:2px 15px;color:#56694a;font-size:15px;font-weight:850}.scale-pivot{width:0;height:0;border-left:15px solid transparent;border-right:15px solid transparent;border-bottom:28px solid #a5b595;position:absolute;left:calc(50% - 15px);top:31px}.tiny-challenge label{display:flex;justify-content:space-between;font-size:13px;margin-top:20px}.tiny-challenge output{font-weight:900}.tiny-challenge input[type=range]{width:100%;margin:10px 0 0;accent-color:#537d39;height:20px}.tiny-challenge .challenge-result{font-size:12px;min-height:20px}.tiny-challenge.balanced{background:#f1f8e2}.balanced .scale-arm{border-color:#548632}.balanced .challenge-result{color:#3c651f;font-weight:800}.tutor-intro{display:flex;align-items:center;gap:22px;margin-top:40px;padding:27px 28px;background:#f6f8ef;border-radius:14px}.tutor-symbol{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:52px;height:52px;border-radius:14px;background:#e5edcb}.tutor-intro>div{flex:1}.tutor-intro h3{font-size:22px}.tutor-intro p{font-size:15px;color:#606d4e;max-width:670px;margin-top:7px}.tutor-intro .pill{background:#e9eedb;color:#4c6036}.narrow-page{max-width:660px;margin:0 auto;padding:5px 0 30px}.narrow-page>h1{font-size:34px}.page-description{color:var(--muted);font-size:14px;margin-top:14px}.back-link{display:inline-flex;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:22px}.back-link:hover{color:var(--accent)}.goal-form{margin-top:35px;display:flex;flex-direction:column;gap:28px}.goal-form>.button{align-self:flex-start;margin-top:6px}.suggestions{display:flex;gap:9px;margin-top:-12px}.chip{display:flex;align-items:center;gap:6px;border:1px solid #cddbd9;padding:6px 10px;border-radius:20px;background:#f0f6f4;font-size:13px;color:#355a52}.duration-field{display:flex;gap:12px;align-items:flex-end}.duration-field>label:first-child{flex:1}.duration-field>label:nth-child(2){max-width:100px}.goal-form .help-text{margin-top:-18px}.empty-state{text-align:center;padding:70px 20px;background:#f0f5f4;border-radius:14px;color:#4e6e65}.empty-state h2,.empty-state h3{margin-top:15px;color:var(--ink)}.empty-state p{margin:10px 0 22px;color:var(--muted)}.empty-state.compact{padding:40px 20px}.path-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px}.skill-list{padding-top:4px}.skill-row{display:flex;gap:20px;position:relative;padding-bottom:39px}.skill-row:not(:last-child):before{content:"";position:absolute;top:52px;bottom:0;left:25px;width:2px;background:#cfded8}.skill-node{display:flex;align-items:center;justify-content:center;width:52px;height:52px;flex-shrink:0;background:#edf3f0;border:2px solid #d0dcb7;border-radius:50%;font-size:17px;color:#527164;border-bottom-width:5px;font-weight:850}.skill-row.demonstrated .skill-node{background:#226555;color:#fff;border-color:#226555}.skill-row>div:last-child{flex:1;padding-top:5px;min-width:0}.skill-title{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.skill-title h2{font-size:21px}.skill-row p{font-size:15px;color:var(--muted);margin-top:9px}.skill-row small{font-size:13px;color:#5a6d73;display:block;margin-top:8px}.path-actions{background:#f4f7e9;border-radius:14px;padding:28px;align-self:start}.path-actions h2{font-size:19px}.path-actions p{font-size:15px;color:#506b61;margin:12px 0 20px}.path-actions .duration-field{margin:20px 0 15px}.path-actions label{font-size:13px}.path-actions .button+.button{margin-top:10px}.benchmark-note{margin-top:26px;border-top:1px solid #d3e1dc;padding-top:24px;color:#3d695d}.benchmark-note h3{margin-top:10px;font-size:14px}.benchmark-note p{font-size:13px;margin-bottom:12px}.benchmark-note .text-link{font-size:13px}.inline-editor{padding:24px;background:#edf3f3;border-radius:12px;margin-bottom:30px;display:grid;gap:20px}.edit-order{list-style:none;padding:0;margin:0}.edit-order li{display:flex;gap:8px;align-items:center;padding:8px;border-bottom:1px solid var(--border)}.edit-order li>span{flex:1}.inline-editor>.button{justify-self:start}.progress-summary{display:flex;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:25px 0;margin-bottom:40px;gap:60px}.progress-summary>div{display:flex;flex-direction:column;gap:7px}.progress-summary strong{font-size:27px;font-weight:650;color:#356959}.progress-summary span{font-size:13px;color:var(--muted)}.progress-track{margin-bottom:32px}.progress-row{display:flex;justify-content:space-between;align-items:center;padding:18px 0;border-top:1px solid var(--border);gap:15px}.progress-row strong{font-size:13px}.progress-row small{display:block;color:var(--muted);font-size:13px;margin-top:3px}.session-history{margin-top:20px}.session-history>a{display:flex;align-items:center;gap:20px;padding:18px 0;border-top:1px solid var(--border);font-size:13px}.session-history>a>div{flex:1}.session-history small{display:block;color:var(--muted)}.settings-form{display:grid;gap:24px;margin-top:36px}.settings-form>.button{justify-self:start}.toggle-row{display:flex;align-items:center;gap:25px;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.toggle-row>span{flex:1}.toggle-row strong{display:block;font-size:13px}.toggle-row small{display:block;color:var(--muted);font-weight:400;margin-top:5px}.toggle-row input{margin:0;flex-shrink:0}.settings-section{margin-top:35px;padding-top:25px;border-top:1px solid var(--border)}.settings-section p{margin:15px 0;font-size:13px;color:var(--muted)}.session-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;gap:15px}.session-top .back-link{margin:0}.session-top>div{display:flex;align-items:center;gap:15px}.save-status{font-size:13px;color:#557565}.session-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.session-heading h1{font-size:34px}.session-heading p{font-size:15px;color:var(--muted);margin-top:10px}.session-progress{display:flex;align-items:center;gap:16px;margin:28px 0 36px;font-size:13px;font-weight:600;color:#526c66}.progress-line{flex:1;height:12px;background:#e7ebdf;border-radius:10px;overflow:hidden}.progress-line>span{display:block;height:100%;background:#91b841;border-radius:10px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}.lesson-workspace{background:#fff;border:0;border-radius:0;padding:8px 0 0;min-width:0}.exercise-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.exercise-type{display:flex;align-items:center;gap:7px;font-weight:650;font-size:13px;color:#536e66}.sigma-mark{font-size:20px}.exercise-heading .status-label{font-size:13px}.exercise-body>h2{font-size:30px;line-height:1.4;margin-bottom:22px}.lesson-introduction{border:0;border-radius:12px;background:#f5f8ec;margin-bottom:27px}.disclosure{width:100%;display:flex;align-items:center;justify-content:space-between;border:0;background:transparent;padding:15px 18px;color:#3c6558;font-weight:650;font-size:15px}.disclosure>span{display:flex;align-items:center;gap:8px}.lesson-notes{padding:0 16px 17px}.lesson-notes>.prose{font-size:16px}.worked-example{border-top:1px solid #dce7e2;margin-top:16px;padding-top:13px}.worked-example>strong{font-size:13px;color:#4c6c60}.worked-example .prose{font-size:15px;margin-top:7px}.prose{font-size:13px;line-height:1.8;overflow-wrap:anywhere}.prose p+p{margin-top:12px}.prose ul,.prose ol{padding-left:22px;margin:12px 0}.prose a{color:#245e8b;text-decoration:underline}.prose strong{font-weight:750}.prose .katex{font-size:1.15em}.prose .katex-display{overflow:auto;padding:8px 0}.exercise-question{margin-bottom:25px}.exercise-question .prose{font-size:19px;line-height:1.65}.exercise-inputs{display:flex;flex-direction:column;gap:22px}.answer-label{font-size:15px}.answer-label input{max-width:100%;font-size:18px}.choices legend{font-size:13px;color:var(--muted);font-weight:500}.choice{display:flex;align-items:center;gap:13px;padding:17px;border:2px solid #d9ded2;border-radius:12px;margin-top:10px;font-size:18px;font-weight:550;cursor:pointer;min-height:65px;border-bottom-width:4px}.choice input{margin:0}.choice.chosen{background:#edf2ff;border-color:#648bdc}.choice:hover{background:#f4f8f7}.ordering legend,.word-tiles legend{font-size:13px}.ordering ol{list-style:none;padding:0;margin:0}.ordering li{display:flex;align-items:center;gap:10px;border:1px solid #d6e0e2;border-radius:8px;padding:9px;margin:9px 0;font-size:13px;background:#fff}.ordering li>span:nth-child(2){flex:1}.ordering li>div{display:flex}.order-number{display:flex;width:24px;height:24px;align-items:center;justify-content:center;border-radius:5px;background:#eef3f4;color:#587179;font-size:13px}.sentence-tray{display:flex;align-items:center;gap:7px;flex-wrap:wrap;min-height:74px;padding:12px;border:1px solid #bccfd0;border-radius:9px;background:#f4f8f7}.sentence-tray>span{font-size:13px;color:var(--muted)}.tile-bank{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}.word-tile{display:flex;align-items:center;gap:6px;border:2px solid #d2d8c8;background:#fff;border-radius:10px;font-size:19px;min-height:44px;padding:10px 18px;color:#274b50;border-bottom-width:4px}.drawing{border:2px solid #d9ded2;border-radius:12px;overflow:hidden;background:#fff;position:relative}.drawing-toolbar{display:flex;align-items:center;justify-content:space-between;background:#f8f9f3;border-bottom:1px solid #e0e7e9;padding:4px 12px}.drawing-toolbar>span{font-size:14px;font-weight:600;color:#5b6e76}.drawing-toolbar>div{display:flex;gap:3px}.drawing canvas{display:block;width:100%;height:240px;touch-action:none;cursor:crosshair;background-image:radial-gradient(#d8e0e4 .8px,transparent .8px);background-size:18px 18px}.canvas-caption{position:absolute;bottom:9px;left:12px;font-size:12px;color:#576b75;pointer-events:none}.typed-working{font-size:13px;color:var(--muted);margin-top:12px}.typed-working textarea{font-size:13px}.hint-box{display:flex;align-items:flex-start;gap:11px;margin-top:20px;padding:14px;border-radius:9px;background:#fcf5e5;color:#6c5926}.hint-box .prose{font-size:13px}.feedback{margin-top:24px;padding:18px;border-radius:10px;background:#fdf2e8;color:#774921}.feedback.correct{background:#e9f5ed;color:#285d3d}.feedback.uncertain{background:#eef3f8;color:#385977}.feedback-title{display:flex;align-items:center;gap:8px;font-size:18px;margin-bottom:8px}.feedback .prose,.feedback>p{font-size:15px;line-height:1.7}.feedback small{display:block;margin-top:9px;font-size:13px}.exercise-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:29px;padding-top:23px;border-top:1px solid var(--border)}.exercise-actions .button{font-size:15px}.answer-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.source-details{font-size:13px;color:#586e77;margin-top:22px;line-height:1.8}.source-details summary{cursor:pointer}.source-details a{text-decoration:underline}.source-details p{font-size:13px}.audio-prompt{padding:20px;border-radius:10px;background:#edf3f7}.audio-prompt small{display:block;margin-top:8px;font-size:13px}.audio-prompt .button{font-size:13px}.audio-prompt>p{font-size:13px;margin-top:10px}.audio-answer,.voice-draft{display:grid;gap:10px;margin-top:12px}.audio-answer audio,.voice-draft audio{width:100%;height:36px}.recorder .button{font-size:13px;padding:8px 11px;min-height:36px}.recorder small{display:block;font-size:13px;color:#a3343c;margin-top:6px}.recording{color:#a52639;background:#ffeded}.upload-field{padding:22px;border:1px dashed #a4bec2;border-radius:10px;font-size:13px;display:flex;flex-direction:column;align-items:center;gap:10px;color:#526f75}.upload-field input{border:0!important;font-size:13px;padding:3px!important;min-height:30px!important;max-width:270px}.attachment{margin-top:15px}.attachment img{max-width:100%;max-height:260px;display:block;object-fit:contain;margin-bottom:12px}.custom-exercise iframe{width:100%;height:290px;border:1px solid var(--border);border-radius:10px;background:#fff}.interactive-option{margin-bottom:20px}.interactive-option>.text-link{font-size:13px;margin-bottom:10px}.tutor-panel{background:#fafbf6;border:2px solid #e4e8d8;border-radius:14px;padding:24px;position:sticky;top:24px}.tutor-header{display:flex;gap:12px;align-items:center;padding-bottom:19px;border-bottom:1px solid #dbe4e4}.tutor-header .tutor-symbol{width:42px;height:42px;border-radius:12px;background:#e4edc9}.tutor-header h2{font-size:22px}.tutor-header small{font-size:12px;color:#526c65}.presence-dot{display:block;width:6px;height:6px;background:#558b68;border-radius:50%;margin-left:auto}.tutor-context{padding:16px 0;border-bottom:1px solid #dbe4e4}.tutor-context>span{font-size:12px;color:#5c7477}.tutor-context strong{display:block;font-size:14px;margin-top:3px}.tutor-context small{display:block;font-size:12px;line-height:1.7;color:#4f656b;margin-top:5px}.tutor-messages{max-height:440px;overflow:auto;scrollbar-width:thin;overscroll-behavior:contain;padding:19px 0 10px}.tutor-welcome p{font-size:15px;color:#4c626b;line-height:1.65}.tutor-welcome p:first-child{color:#2c474e;font-weight:650;margin-bottom:8px}.question-suggestions{display:grid;gap:8px;margin-top:22px}.question-suggestions button{display:flex;align-items:center;justify-content:space-between;gap:7px;text-align:left;background:#fff;border:2px solid #dde3d1;border-radius:10px;padding:12px;font-size:14px;color:#4a656a;line-height:1.6;border-bottom-width:3px}.question-suggestions button:hover{background:#e8f3ee}.tutor-composer{background:#fff;border:2px solid #d5ddc8;border-radius:12px;margin-top:20px;padding:14px}.tutor-composer textarea{border:0;padding:0;font-size:15px;min-height:64px;max-height:min(180px,25dvh);resize:none;overflow-y:auto}.composer-actions{display:flex;justify-content:space-between;align-items:flex-start;margin-top:8px;gap:8px}.composer-actions .recorder .button{border:0;padding:4px 6px;color:#566f74;font-size:13px}.send-button{width:42px;height:42px;border:0;border-radius:8px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center}.tutor-footnote{font-size:12px;line-height:1.75;color:#607278;margin-top:11px}.chat-message{padding:14px 0;border-bottom:1px solid #dce6e6}.chat-message.user{background:#eef2e1;border:0;border-radius:9px;padding:12px;margin:10px 0}.chat-message small{display:block;font-size:13px;color:#526b73;margin-bottom:6px}.chat-message .prose,.chat-message p{font-size:15px;line-height:1.8}.chat-message .text-link{font-size:13px;margin-top:6px}.tutor-thinking{font-size:13px;color:var(--muted);margin-top:15px}.tutor-paused{font-size:13px;line-height:1.7;margin-top:15px;color:var(--muted)}.mobile-tutor-toggle{display:none}.help-offer{display:flex;align-items:center;justify-content:center;gap:12px;padding:13px;margin:20px 0;background:#e7f0ec;border-radius:10px;font-size:13px}.help-offer .text-link{font-size:13px}.benchmark-aside{color:#42615a;padding:24px 8px}.benchmark-aside h2{font-size:18px;margin:15px 0 10px}.benchmark-aside p{font-size:13px;color:#526e66}.recap-page{max-width:730px;text-align:center;margin:40px auto}.recap-symbol{width:77px;height:77px;background:#e3f0e7;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#41785c;margin:0 auto 28px}.recap-page h1{font-size:40px}.recap-page>p{font-size:14px;color:var(--muted);margin-top:16px}.recap-results{display:flex;justify-content:center;gap:50px;margin:35px 0;padding:27px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.recap-results strong{display:block;font-size:36px;color:#386857;font-weight:650}.recap-results span{display:block;font-size:13px;margin-top:8px;color:var(--muted)}.recap-page>.recap-guidance{max-width:600px;margin:24px auto 0;font-size:12px}.recap-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:29px}.admin-tabs{display:flex;gap:15px;border-bottom:1px solid var(--border);margin-bottom:30px;overflow:auto}.admin-tabs button{display:flex;gap:8px;align-items:center;white-space:nowrap;border:0;background:transparent;font-size:13px;padding:14px 8px;color:var(--muted);border-bottom:2px solid transparent}.admin-tabs button.active{color:var(--accent);border-bottom-color:var(--accent)}.admin-form section{padding-bottom:30px;margin-bottom:30px;border-bottom:1px solid var(--border)}.admin-page section>p{font-size:13px;color:var(--muted);max-width:750px;margin:12px 0 22px}.connection-list{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px}.connection-list>div{display:flex;align-items:center;gap:20px;padding:13px 18px;background:#fff;border:1px solid var(--border);border-radius:9px}.connection-list strong{font-size:13px}.model-config{display:grid;grid-template-columns:1fr 1.6fr 1fr 1fr;gap:15px;padding:20px 0;border-top:1px solid var(--border)}.model-config legend{font-size:13px;padding-top:20px}.model-config label,.form-grid label,.model-config input,.model-config select{font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.admin-form .toggle-row{margin-top:22px;border-bottom:0}.admin-message{position:sticky;bottom:20px;padding:15px 20px;background:#e7f1e9;color:#355e45;border:1px solid #c8ddca;border-radius:10px;margin-top:25px;font-size:13px}.library-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:30px}.widget-list{display:grid;gap:10px;margin:20px 0}.widget-list-item{background:#fff;text-align:left;padding:14px;border:1px solid var(--border);border-radius:9px;line-height:1.5}.widget-list-item.selected{border-color:#6fa18b;background:#edf5f0}.widget-list-item .widget-title{font-weight:700;display:block;font-size:13px}.widget-list-item small{display:block;color:var(--muted);font-size:13px;margin-top:6px}.widget-editor{display:grid;gap:18px}.widget-editor label{font-size:13px}.code-input{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px;white-space:pre;overflow:auto;line-height:1.65}.review-checkbox{display:flex;gap:12px;align-items:flex-start;font-weight:400}.review-checkbox input{margin-top:3px}.review-checkbox span{font-size:13px;line-height:1.7}.narrow-section{max-width:620px}.narrow-section form{display:grid;gap:20px}.narrow-section form .button{justify-self:start}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{color:#4c6870;font-weight:650;background:#edf2f3}th,td{padding:13px 12px;border-bottom:1px solid var(--border)}td{overflow-wrap:anywhere}.loading-page{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;padding:30px;text-align:center}.loading-page p{max-width:600px}.spin{animation:spin 1.2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-page{max-width:520px;margin:60px auto;padding:30px}.auth-page .brand{margin-bottom:50px}.auth-page h1{font-size:44px;margin-bottom:20px}.auth-page>p{color:var(--muted)}.auth-page form{display:grid;gap:25px;margin:35px 0}.auth-page>small{color:var(--muted)}.composer-label{font-size:13px;margin-bottom:8px;color:#4b5d38}.tutor-header .studio-mark{width:32px;height:32px}.lesson-visual{display:flex;justify-content:center;align-items:center;gap:14px;margin:0 0 28px;padding:30px 20px;background:#f5f8ef;border-radius:12px}.lesson-visual>span:not(.x-block){font-size:26px;font-weight:800;color:#5e7244}.lesson-visual>strong{font-size:38px}.lesson-visual .x-block{height:62px;width:50px;font-size:30px}.kanji-visual{background:#fff5d8}.kanji-visual>span:not(.x-block){font-size:54px;color:#715424;line-height:1.2}.kanji-visual>div{margin-left:20px;display:flex;flex-direction:column;gap:5px}.kanji-visual strong{font-size:22px}.kanji-visual small{color:#775c2f}.tutor-container{display:block;position:static;margin:0;padding:0;border:0;background:transparent;width:100%;max-width:none;max-height:none;color:var(--ink)}.mobile-tutor-heading{display:none}@media(min-width:1450px){.main-content{padding-top:52px}.home-heading h1{font-size:44px}.continue-panel{min-height:360px}}@media(max-width:1100px){.header-inner{gap:20px}.brand{font-size:21px}.site-header nav{gap:0}.nav-link{padding-left:9px;padding-right:9px;font-size:14px}.workspace-mode{display:none}.home-feature-grid{grid-template-columns:minmax(0,1fr) 290px;gap:20px}.continue-copy{padding-left:26px;width:58%}.continue-copy h2{font-size:31px}.continue-panel>.course-art{width:42%}.continue-panel .x-block{width:43px;height:62px;font-size:30px}.continue-panel .math-blocks{gap:6px}.continue-panel .unit-blocks i{width:18px;height:18px}.continue-panel .unit-blocks{max-width:18px}.lesson-layout{grid-template-columns:minmax(0,1fr) 310px;gap:30px}.tutor-panel{padding:19px}.model-config{grid-template-columns:1fr 1fr}.course-copy h3{font-size:18px}.course-shelf{gap:20px}.path-layout{gap:30px}.header-account{gap:0}}@media(max-width:850px){.in-session{height:100dvh;display:flex;flex-direction:column}.in-session .site-header{flex-shrink:0}.in-session .workspace{flex:1;min-height:0;overflow:hidden;position:relative;padding-bottom:80px}.in-session .workspace:after{content:"";position:fixed;inset:auto 0 0;height:80px;background:#fff;border-top:1px solid var(--border);z-index:20}.in-session .main-content{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-bottom:32px}.in-session .app-footer{display:none}.header-inner{flex-wrap:wrap;gap:0;min-height:80px;padding-top:17px}.header-account{margin-left:auto}.site-header nav{order:3;width:100%;height:54px;justify-content:center;gap:30px;margin-top:10px}.main-content{padding-top:30px}.home-feature-grid{grid-template-columns:minmax(0,1fr)}.continue-panel{min-height:320px}.continue-copy h2{font-size:36px}.continue-panel>.course-art{width:45%;padding:25px}.continue-panel .x-block{width:65px;height:78px;font-size:39px}.continue-panel .math-blocks{gap:13px}.continue-panel .unit-blocks{max-width:48px}.continue-panel .unit-blocks i{width:21px;height:21px}.tiny-challenge{display:grid;grid-template-columns:1fr 1fr;column-gap:24px;padding:22px 26px}.challenge-heading,.tiny-challenge>p:first-of-type{grid-column:1/-1}.tiny-challenge .mini-equation{grid-column:1;grid-row:3 / 5;margin:20px 0 10px}.tiny-challenge .balance-diagram{grid-column:2;grid-row:3 / 5;width:100%;margin:15px 0 5px}.tiny-challenge label,.tiny-challenge input,.tiny-challenge .challenge-result{grid-column:1/-1}.continue-panel>.course-art{display:none}.home-feature-grid .continue-copy{width:100%;padding:30px}.continue-copy h2,.continue-copy p{max-width:500px}.home-heading h1{font-size:35px}.course-shelf{grid-template-columns:1fr 1fr}.curiosity-link{grid-column:1/-1;display:flex;align-items:center;gap:28px}.curiosity-art{width:45%;flex-shrink:0}.curiosity-link .course-copy{padding:0}.lesson-layout{grid-template-columns:minmax(0,1fr);gap:22px}.tutor-container{display:none}.tutor-container[open]{display:block;position:fixed;inset:0;margin:auto;width:calc(100% - 32px);max-width:580px;max-height:calc(100dvh - 40px);overflow:auto;background:#fafbf6;border-radius:16px;overscroll-behavior:contain}.tutor-container::backdrop{background:#1c26197a}.mobile-tutor-heading{display:flex;align-items:center;justify-content:space-between;padding:12px 20px 4px;position:sticky;top:0;background:#fafbf6;z-index:2}.tutor-container .tutor-panel{border:0;border-radius:0}.tutor-container .tutor-header{display:none}.mobile-tutor-toggle{display:flex;position:fixed;bottom:18px;right:20px;z-index:30;background:#e9f1d4;min-height:52px;margin:0;border-color:#b3c78e;box-shadow:0 5px 18px #1e311529}.tutor-panel{position:static;padding:24px}.tutor-messages{max-height:420px}.tutor-intro .pill{display:none}.tutor-intro{padding:24px;align-items:flex-start}.path-layout{grid-template-columns:1fr}.path-actions{margin-top:8px}.library-layout{grid-template-columns:1fr}.widget-list{grid-template-columns:repeat(2,minmax(0,1fr))}.session-heading h1{font-size:30px}.benchmark-aside{padding:16px;background:#f6f8ef;border-radius:12px}}@media(max-width:550px){.home-feature-grid .tiny-challenge{grid-template-columns:1fr}.tiny-challenge .mini-equation{grid-column:1;grid-row:auto;white-space:nowrap;font-size:22px;margin:18px 0 4px}.tiny-challenge .balance-diagram{grid-column:1;grid-row:auto;margin:10px auto 4px}.continuing .session-heading{height:0;margin:0;overflow:hidden}.continuing .session-heading>div{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.continuing .session-heading>.pill{display:none}.continuing .session-progress{margin-top:0}.continuing .session-top{margin-bottom:15px}.tiny-challenge{column-gap:12px;padding:20px}.tiny-challenge .mini-equation{gap:10px}.tiny-challenge .scale-arm{padding-left:0;padding-right:0}.tiny-challenge .scale-arm span{padding:2px 10px}.tiny-challenge label{margin-top:12px}.continue-panel .continue-copy{padding:26px}.header-inner{padding:16px 20px 0}.brand{font-size:22px}.studio-mark{width:33px;height:33px}.site-header nav{gap:10px;height:54px}.nav-link{font-size:12px;gap:6px;padding:2px 7px 0}.nav-link svg{width:17px}.main-content{padding:29px 20px 40px}.app-footer{width:calc(100% - 40px);font-size:11px;gap:20px;align-items:flex-start}.app-footer span{max-width:190px}.page-heading{margin-bottom:25px}.home-heading h1{font-size:34px;max-width:320px}.page-heading p{font-size:15px}.continue-panel{display:flex;flex-direction:column;min-height:0;align-items:stretch}.continue-copy{width:100%;padding:28px 26px 0}.continue-copy h2{font-size:33px;max-width:280px}.continue-copy p{font-size:15px}.continue-copy .button{width:100%;font-size:15px}.quiet-detail{justify-content:center;font-size:12px}.continue-panel>.course-art{width:100%;height:206px;padding:22px 26px 20px}.continue-panel .course-art p{display:none}.continue-panel .math-blocks{gap:15px}.continue-panel .x-block{height:58px;width:53px;font-size:32px}.continue-panel .unit-blocks{max-width:80px;flex-wrap:nowrap}.continue-panel .unit-blocks i{height:22px;width:22px}.continue-panel .answer-blocks{max-width:none;gap:4px}.continue-panel .answer-blocks i{width:18px;height:18px}.continue-panel .equation-rule{height:28px;width:190px;margin:4px 0 7px}.continue-panel .kana-speech{margin-bottom:8px}.continue-panel .kanji-pair>div{height:72px;width:69px}.continue-panel .kanji-pair b{font-size:33px}.home-feature-grid{margin-bottom:32px}.course-shelf{grid-template-columns:1fr;gap:25px}.course-link,.curiosity-link{padding-bottom:24px}.curiosity-link{grid-column:auto;display:block}.curiosity-art{width:100%}.curiosity-link .course-copy{padding:19px 0 0}.course-copy h3{font-size:21px}.course-copy p{max-width:36ch}.course-art.compact,.curiosity-art{height:190px}.section-heading{gap:12px}.section-heading h2{font-size:22px}.section-heading .text-link{font-size:12px;white-space:nowrap}.tutor-intro{gap:14px;margin-top:28px;padding:23px 20px}.tutor-intro h3{font-size:20px}.tutor-intro p{font-size:14px}.tutor-intro .tutor-symbol{width:38px;height:38px}.tutor-symbol .studio-mark{width:30px;height:30px}.goal-row{gap:15px;padding:19px 0}.subject-mark{width:51px;height:57px;border-radius:12px}.goal-row h3{font-size:19px}.goal-row p{font-size:14px}.goal-meta{flex-direction:column;gap:2px}.goal-row>svg{width:18px}.page-heading.compact{display:block;margin:0 0 26px}.page-heading.compact h1{font-size:33px}.page-heading.compact>.button{margin-top:18px}.heading-icon{display:none}.narrow-page{padding:0}.narrow-page>h1{font-size:33px}.page-description{font-size:15px}.goal-form{margin-top:29px;gap:25px}.goal-form>.button{width:100%}.suggestions{flex-wrap:wrap}.duration-field{gap:10px}.skill-row{gap:16px}.skill-title h2{font-size:19px}.skill-row p{font-size:14px}.skill-title .status-label{font-size:11px}.path-actions{padding:24px}.session-top{align-items:flex-start;gap:10px;margin-bottom:23px}.session-top>div{gap:8px;flex-wrap:wrap;justify-content:flex-end}.save-status{font-size:11px}.session-top .button{font-size:12px;white-space:nowrap}.back-link{font-size:13px}.session-top .back-link{white-space:nowrap;min-height:42px;align-items:center}.session-heading{display:block}.session-heading h1{font-size:29px}.session-heading p{font-size:14px}.session-heading>.pill{margin-top:12px}.session-progress{gap:10px;font-size:11px;margin:23px 0 30px}.progress-line{height:10px}.exercise-body>h2{font-size:28px}.exercise-heading{gap:8px}.exercise-type{font-size:13px}.exercise-heading .status-label{font-size:11px}.exercise-question .prose{font-size:18px}.disclosure{padding:14px;font-size:14px}.lesson-notes{padding:0 14px 16px}.lesson-visual{padding:23px 12px;gap:10px}.lesson-visual .x-block{width:43px;height:56px;font-size:28px}.lesson-visual .unit-blocks{max-width:42px;gap:4px}.lesson-visual .unit-blocks i{width:19px;height:19px}.lesson-visual>strong{font-size:32px}.drawing canvas{height:220px}.drawing-toolbar{padding:4px 8px}.drawing-toolbar>.span{font-size:12px}.drawing-toolbar .icon-button{width:37px}.canvas-caption{font-size:10px}.exercise-actions{gap:10px;align-items:flex-start}.exercise-actions .button{font-size:13px;padding:11px 12px}.answer-actions{flex:1}.choice{font-size:17px;padding:15px;min-height:63px}.tutor-panel{padding:20px}.composer-actions .recorder .button{font-size:12px;min-height:42px}.recap-page{margin:24px auto}.recap-page h1{font-size:34px}.recap-results{gap:22px}.recap-results span{font-size:12px}.recap-results strong{font-size:30px}.recap-actions{flex-direction:column}.progress-summary{gap:20px;justify-content:space-between}.progress-summary span{font-size:12px;max-width:100px}.progress-row{gap:12px;align-items:flex-start}.progress-row .status-label{font-size:11px}.session-history>a{gap:13px;flex-wrap:wrap}.help-offer{flex-wrap:wrap;gap:9px}.model-config,.form-grid{grid-template-columns:1fr}.admin-tabs{gap:5px}.admin-tabs button{font-size:12px;padding:12px 8px}.widget-list{grid-template-columns:1fr}.connection-list{display:grid;gap:10px}.connection-list>div{justify-content:space-between}.auth-page{margin:25px auto;padding:25px}.auth-page h1{font-size:36px}.order-number{display:none}.ordering li{gap:6px}.ordering li .icon-button{width:32px}.source-details{font-size:12px}}:root{--motion-arrive: cubic-bezier(.16, 1, .3, 1)}[hidden]{display:none!important}.studio-dialog{position:fixed;inset:0;margin:auto;padding:0;border:0;border-radius:20px;width:min(620px,calc(100vw - 32px));max-width:100%;max-height:min(820px,calc(100dvh - 48px));color:var(--ink);background:#fff;box-shadow:0 24px 80px #16241a38;overflow:hidden}.studio-dialog[open]{display:flex;flex-direction:column;animation:dialog-arrive .24s var(--motion-arrive)}.studio-dialog::backdrop{background:#17211966;animation:backdrop-arrive .18s ease-out}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;flex:0 0 auto;padding:24px 28px 20px;border-bottom:1px solid var(--border)}.dialog-heading h2{margin:0;font-size:25px;letter-spacing:-.025em;line-height:1.2}.dialog-heading .icon-button{flex:0 0 auto;background:#f2f5ed}.dialog-content{overflow-y:auto;overscroll-behavior:contain;min-height:0;padding:24px 28px}.dialog-footer{padding:18px 28px;flex:0 0 auto;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:12px;align-items:center;background:#fbfcf8}.dialog-content .lesson-notes{padding:0}.dialog-content .worked-example{margin-top:24px}.dialog-content .worked-example h3{margin:0 0 12px}.dialog-content .edit-path{padding:0;margin:0;border:0;background:none}.choice-dialog{width:min(470px,calc(100vw - 32px))}.picker-field{display:grid;gap:8px;min-width:0}.field-label{font-size:14px;font-weight:750}.choice-trigger{display:flex;justify-content:space-between;align-items:center;gap:14px;text-align:left;width:100%;padding:13px 15px;min-height:50px;border:2px solid #d7dbd3;border-bottom-width:3px;border-radius:12px;background:#fff;font-size:16px;font-weight:650;color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s}.choice-trigger:hover{border-color:#93ad79;background:#fbfcf8}.choice-trigger svg{flex:0 0 auto;color:#587044}.picker-options{display:grid;gap:8px}.picker-option{display:flex;width:100%;justify-content:space-between;align-items:center;gap:16px;padding:16px;border:2px solid #e0e5d9;border-radius:12px;background:#fff;color:var(--ink);text-align:left;cursor:pointer;transition:background .14s,border-color .14s,transform .14s}.picker-option:hover{background:#f3f7e9;transform:translate(3px)}.picker-option.selected{background:#eff6dc;border-color:#93b454}.picker-option strong{display:block;font-size:16px}.picker-option small{display:block;font-size:13px;margin-top:4px;color:#4c5d43}.picker-option svg{flex-shrink:0;color:#426e2d}.picker-search{margin-bottom:18px}.provider-toolbar{display:flex;align-items:center;justify-content:space-between;margin:22px 0;gap:12px}.live-status{display:inline-flex;align-items:center;gap:9px;font-weight:750;color:var(--muted);font-size:15px}.live-status i{width:9px;height:9px;background:#9aa392;border-radius:50%}.live-status.enabled i{background:#67982a;box-shadow:0 0 0 4px #edf4df}.provider-workspace{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(290px,1fr);gap:48px}.provider-workspace h2{font-size:24px}.provider-workspace p{color:var(--muted);font-size:14px;margin:9px 0 12px}.provider-row{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:19px 0;border-bottom:1px solid var(--border)}.provider-row>div{min-width:0}.provider-row strong{display:block;font-size:16px}.provider-row span:not(.sr-only){display:block;font-size:13px;margin-top:4px;color:var(--muted);overflow-wrap:anywhere}.provider-budget{padding:22px 24px;background:var(--subtle);color:var(--ink);border-radius:16px}.provider-budget>label{font-size:13px;margin:12px 0}.provider-budget input[type=number]{padding:9px 12px;min-height:43px;margin-top:6px}.provider-budget .toggle-row{padding:10px 0;margin:12px 0}.model-dialog-form{display:grid;gap:20px}.model-dialog-form label,.model-dialog-form .form-grid{margin:0}.dialog-content .connection-list{display:grid;gap:10px;margin:24px 0}.dialog-content .connection-list>div{justify-content:space-between}.ledger-pagination{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:16px;font-size:14px}.admin-tabs [role=tab]{transition:color .16s,background .16s}.admin-page>.page-heading{margin-bottom:24px}.admin-page .code-input{max-height:245px}.app-shell.in-session{min-height:0;height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}.in-session .site-header{flex:0 0 auto}.in-session .workspace{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.in-session .main-content{flex:1;width:100%;min-height:0;padding:18px 28px 16px;overflow:hidden}.in-session .app-footer{display:none}.session-page{display:flex;height:100%;min-height:0;flex-direction:column;gap:14px}.session-top{margin:0;flex-shrink:0}.session-heading{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.session-progress{margin:0;flex-shrink:0;gap:12px}.progress-line{height:9px}.progress-line>span{transition:width .32s var(--motion-arrive)}.lesson-layout{flex:1;min-height:0;gap:36px;align-items:stretch}.lesson-workspace{display:flex;flex-direction:column;min-height:0;overflow:auto;padding:6px 12px 0 0;overscroll-behavior:contain;scroll-padding-bottom:80px}.exercise-heading{margin-bottom:8px}.exercise-body>h2{font-size:25px;margin:0 0 12px;line-height:1.25}.lesson-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}.lesson-tools .text-link{margin-left:auto}.lesson-tools .button.small{min-height:38px;padding:8px 12px;font-size:13px}.exercise-question{font-size:21px;margin:0 0 18px}.exercise-question p{margin:0}.exercise-inputs{margin:0;gap:16px}.exercise-inputs>label{margin-bottom:0}.lesson-visual{padding:16px 22px;min-height:96px;margin:0 0 16px}.exercise-body:has(.drawing)>.lesson-visual{display:none}.working-mode{display:inline-flex;gap:4px;padding:4px;margin-bottom:10px;background:#edf1e6;border-radius:10px}.working-mode button{padding:8px 13px;font-size:13px;font-weight:750;color:#58694d;border:0;border-radius:7px;background:none;cursor:pointer;transition:background .16s,color .16s}.working-mode button.active{color:#28472b;background:#fff;box-shadow:0 2px 3px #2333161a}.drawing canvas{height:clamp(140px,21dvh,220px)}.typed-working{margin:0}.typed-working textarea{min-height:180px;font-size:16px}.exercise-actions{margin-top:auto;padding:14px 0 8px;position:sticky;bottom:0;flex-shrink:0;background:#fff;z-index:4;border-top:1px solid var(--border)}.answer-summary{display:flex;align-items:center;justify-content:flex-start;gap:10px;border:0;color:#655529;background:#fff4d1;border-radius:10px;padding:12px 14px;width:100%;text-align:left;margin:14px 0;font-size:14px;cursor:pointer}.answer-summary>svg:last-child{margin-left:auto}.answer-summary.correct{color:#335c2e;background:#eef6dc}.feedback-dialog .feedback{border:0;padding:0;background:none;margin:0;color:var(--ink)}.feedback-emblem{display:flex;align-items:center;justify-content:center;width:62px;height:62px;margin:0 0 18px;border-radius:18px;background:#fff0b9;color:#79600a}.correct .feedback-emblem{background:#dfefb7;color:#426a2f;animation:understanding-stamp .4s var(--motion-arrive)}.correct .feedback-emblem svg polyline,.correct .feedback-emblem svg path,.recap-symbol svg polyline,.recap-symbol svg path{stroke-dasharray:60;animation:check-draw .52s var(--motion-arrive)}.teaching-content{margin-top:23px}.teaching-content h3{font-size:18px;margin-bottom:8px}.teaching-steps{padding:0;margin:18px 0;list-style:none;display:grid;gap:14px}.teaching-steps li{display:flex;gap:12px;align-items:flex-start}.teaching-steps li>span{display:grid;place-items:center;flex:0 0 26px;height:26px;border-radius:8px;color:#335d87;background:#eaf1ff;font-size:13px;font-weight:800}.teaching-steps li p{margin:0}.feedback-dialog .feedback small{display:block;margin-top:16px;color:var(--muted)}.in-session .main-content:has(.recap-page){overflow:auto}.recap-page{max-width:790px;margin:16px auto}.recap-page h1{font-size:clamp(28px,3vw,40px)}.recap-symbol{animation:understanding-stamp .48s var(--motion-arrive)}.recap-mistakes{margin:24px 0;padding:22px;background:#fff5d6;border-radius:16px;text-align:left}.recap-mistakes>div{display:flex;gap:15px}.recap-mistakes svg{flex-shrink:0}.recap-mistakes h2{font-size:22px;margin:0 0 8px}.recap-mistakes p{font-size:15px;margin:0 0 16px}.mistake-tabs{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}.mistake-tabs .selected{background:#e7f0d3;border-color:#95b15a}.past-answer{margin:20px 0;padding:18px;background:#f6f7f1;border-radius:12px}.past-answer>strong{font-size:14px;color:#5d6853}.snapshot-canvas{display:block;max-width:100%;max-height:240px;object-fit:contain;margin:12px auto;border-radius:8px;background:#fff}.audio-prompt{margin:12px 0 24px}.audio-play{min-height:66px;padding:16px 22px;gap:14px;background:#edf3df;border-color:#c8d7b1}.audio-wave{height:25px;display:flex;align-items:center;gap:3px;margin-left:8px}.audio-wave i{width:3px;height:7px;background:#638842;border-radius:4px}.audio-wave i:nth-child(2n){height:17px}.audio-wave i:nth-child(3){height:24px}.playing .audio-wave i{animation:speaking-wave .62s ease-in-out infinite alternate}.loading .audio-wave{animation:voice-loading .9s ease-in-out infinite alternate}.audio-prompt>small{display:block;margin-top:10px;color:var(--muted)}.voice-status{font-size:13px;color:#50633f;padding:8px 12px;background:#edf3df;border-radius:8px}.tutor-container{min-height:0}.tutor-container .tutor-panel{display:flex;flex-direction:column;height:100%;min-height:0;padding:20px;position:static}.tutor-container .tutor-messages{flex:1;min-height:80px;max-height:none;overflow:auto}.tutor-context{margin:14px 0;padding:12px}.tutor-footnote{margin:12px 0 0}.tutor-welcome{padding-top:10px}.chat-message{animation:message-arrive .18s var(--motion-arrive)}.word-tile{transition:transform .13s var(--motion-arrive),background .13s}.sentence-tray .word-tile{animation:piece-place .17s var(--motion-arrive)}.choice.chosen{transition:border-color .14s,background .14s}.button svg{transition:transform .15s var(--motion-arrive)}.button:hover>svg:last-child:not(:first-child){transform:translate(2px)}.button:active{transform:translateY(2px)}@keyframes dialog-arrive{0%{opacity:.35;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}@keyframes backdrop-arrive{0%{opacity:0}to{opacity:1}}@keyframes exercise-arrive{0%{opacity:.65;transform:translate(8px)}to{opacity:1;transform:none}}@keyframes message-arrive{0%{opacity:.6;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes piece-place{0%{transform:translateY(-7px) rotate(-2deg)}to{transform:none}}@keyframes check-draw{0%{stroke-dashoffset:60}to{stroke-dashoffset:0}}@keyframes understanding-stamp{0%{transform:scale(.86) rotate(-8deg)}65%{transform:scale(1.04) rotate(1deg)}to{transform:none}}@keyframes speaking-wave{0%{transform:scaleY(.4)}to{transform:scaleY(1)}}@keyframes voice-loading{0%{opacity:.35}to{opacity:1}}@media(max-width:1100px){.provider-workspace{gap:28px}.lesson-layout{gap:24px;grid-template-columns:minmax(0,1fr) 310px}}@media(max-width:850px){.provider-workspace{grid-template-columns:1fr;gap:24px}.provider-row{padding:16px 0}.in-session .main-content{padding:14px 20px 8px}.session-page{gap:12px}.session-top .save-status{display:none}.session-progress{font-size:12px}.lesson-layout{grid-template-columns:1fr;gap:0}.lesson-workspace{padding-right:0;padding-bottom:16px}.exercise-body>h2{font-size:23px;margin-bottom:12px}.lesson-tools{gap:8px;margin-bottom:12px}.lesson-tools .button.small{font-size:12px;padding:8px 10px}.exercise-question{font-size:19px;margin-bottom:14px}.choice{min-height:53px;padding:12px;font-size:16px}.exercise-inputs{gap:14px}.working-mode{margin-bottom:8px}.working-mode button{padding:8px 10px;font-size:12px}.drawing canvas{height:clamp(135px,20dvh,185px)}.lesson-visual{min-height:80px;padding:12px}.exercise-actions{position:fixed;left:170px;right:20px;bottom:15px;padding:0;margin:0;border:0;background:transparent;min-height:50px;z-index:31}.exercise-actions .answer-actions{width:100%;justify-content:flex-end}.exercise-actions .button.primary{width:100%;min-height:50px;font-size:14px;white-space:nowrap;padding:11px 10px}.exercise-actions .hint-action{display:none}.benchmark-layout .exercise-actions{left:20px}.mobile-tutor-toggle{left:20px;right:auto;bottom:15px;min-height:50px;width:138px;padding:10px;gap:7px;font-size:13px;z-index:31}.mobile-tutor-toggle svg:last-child{display:none}.tutor-container[open]{max-height:calc(100dvh - 32px);height:min(720px,calc(100dvh - 32px));display:flex;flex-direction:column;overflow:hidden;animation:dialog-arrive .22s var(--motion-arrive)}.mobile-tutor-heading{flex-shrink:0}.tutor-container .tutor-panel{flex:1;min-height:0;padding:16px 20px}.tutor-container .tutor-messages{min-height:60px}.in-session .workspace:has(.recap-page){padding-bottom:0}.in-session .workspace:has(.recap-page):after{display:none}.dialog-heading{padding:20px}.dialog-heading h2{font-size:23px}.dialog-content{padding:20px}.dialog-footer{padding:14px 20px;gap:8px}.dialog-footer .button{padding:11px 12px;font-size:14px}.studio-dialog{max-height:calc(100dvh - 28px);border-radius:16px}.recap-page{margin:12px auto}.recap-results{margin:22px 0}.recap-mistakes{padding:20px}.recap-mistakes>div>svg{display:none}.recap-mistakes h2{font-size:21px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.lesson-layout{grid-template-rows:minmax(0,1fr)}.lesson-workspace{overflow:hidden;scroll-padding-bottom:0}.exercise-body{display:flex;flex-direction:column;flex:1;min-height:0;overflow:auto;padding-bottom:12px;overscroll-behavior:contain}.exercise-body>*{flex-shrink:0}.exercise-actions{position:static;margin-top:0}.tutor-container{overflow:hidden;height:100%;max-height:100%}.tutor-panel>:not(.tutor-messages){flex-shrink:0}@media(max-width:850px){.in-session .site-header nav{display:none}.in-session .header-inner{padding:12px 20px;min-height:72px}.lesson-workspace{padding-bottom:0}.exercise-body{padding-bottom:6px}.exercise-body>.exercise-heading{display:none}.exercise-body>h2{font-size:21px;margin-bottom:10px}.exercise-question .prose{font-size:17px;line-height:1.5}.exercise-question{margin-bottom:12px}.lesson-tools{gap:6px;margin-bottom:12px}.lesson-tools .button.small{min-height:36px}.drawing-toolbar{padding:2px 10px}.drawing-toolbar .icon-button{min-height:38px;height:38px}.drawing canvas{height:clamp(120px,18dvh,170px)}.answer-label input{min-height:48px;padding:10px 14px;margin-top:6px}.exercise-actions{position:fixed}}.site-header{position:sticky;top:0;z-index:40;background:#fffffff5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.app-shell:not(.in-session){overflow:visible}.lesson-topbar{display:flex;align-items:center;gap:22px;flex-shrink:0;padding:8px 0 18px}.lesson-progress-track{flex:1;min-width:0}.lesson-progress-label{display:flex;justify-content:space-between;gap:12px;font-size:13px;font-weight:750;color:var(--muted);margin-bottom:9px}.lesson-progress-label>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lesson-topbar .progress-line{height:14px;border-radius:12px;background:#e9eee9}.lesson-topbar .progress-line>span{position:relative;border-radius:inherit;background:#8fcf37;min-width:0;box-shadow:inset 0 -3px #2857161f}.lesson-topbar .progress-line>span:after{content:"";position:absolute;top:3px;left:5px;right:5px;height:3px;background:#ffffff73;border-radius:9px}.exit-lesson{border:0;background:transparent;color:#758076;box-shadow:none}.challenge-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.challenge-reason{font-size:13px;color:#567234;font-weight:800}.difficulty-dots{display:flex;gap:4px}.difficulty-dots i{width:7px;height:7px;border-radius:50%;background:#e0e5dc}.difficulty-dots i.filled{background:#678d36}.exercise-title{font-size:clamp(24px,2.3vw,33px);line-height:1.2;margin:0 0 18px;letter-spacing:-.025em}.exercise-actions .button,.mobile-tutor-toggle{height:52px;min-height:52px;box-sizing:border-box;white-space:nowrap;padding-top:0;padding-bottom:0}.learning-rewards{display:flex;align-items:center;gap:20px;margin:-6px 0 24px;font-size:14px;font-weight:800;color:#56624c}.xp-badge{display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;color:#846010;background:#fff4cc;border:1px solid #f4df99;border-radius:12px;padding:8px 12px;font-weight:850;font-size:15px;font-variant-numeric:tabular-nums}.practice-streak{display:flex;align-items:center;gap:5px;color:#9b531b}.level-meter{width:90px;height:6px;border-radius:5px;background:#e9eee9;overflow:hidden}.level-meter>span{display:block;height:100%;background:#8fcf37;border-radius:inherit;transition:width .4s ease-out}.reward-burst{position:relative;display:flex;justify-content:center;padding:20px;isolation:isolate}.reward-burst .xp-badge{font-size:22px;padding:12px 22px;transform:rotate(-4deg);animation:xp-arrive .5s cubic-bezier(.2,.8,.3,1.3) both}@keyframes xp-arrive{0%{opacity:0;transform:translateY(10px) scale(.65) rotate(3deg)}to{opacity:1;transform:translateY(0) scale(1) rotate(-4deg)}}.next-question-status{display:flex;align-items:center;gap:10px;font-size:14px;color:#526143}.next-question-status>span{width:15px;height:15px;border:2px solid #e0ead2;border-top-color:#587e32;border-radius:50%;animation:preparing-turn .9s linear infinite}@keyframes preparing-turn{to{transform:rotate(360deg)}}.pointer-ordering .order-instructions{font-size:13px;color:#626d5a;margin:4px 0 12px}.pointer-ordering li{position:relative;gap:10px;padding:9px 12px 9px 4px;transition:border-color .12s,box-shadow .12s}.pointer-ordering.ordering li>span.order-number{flex:0 0 auto;font-size:12px;width:24px;height:24px}.pointer-ordering .order-label{flex:1;min-width:0}.order-handle{display:inline-flex;align-items:center;justify-content:center;flex:0 0 40px;align-self:stretch;min-height:44px;border:0;background:transparent;color:#7e8876;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;border-radius:7px}.order-handle:hover{background:#f0f4eb;color:#4e6933}.order-handle:active{cursor:grabbing}.pointer-ordering li.being-dragged{z-index:2;background:#f7fbef;border-color:#88ad55;box-shadow:0 7px 16px #1e371224;pointer-events:auto}.pointer-ordering li.drop-target{box-shadow:0 -4px #9ac559;border-color:#9ac559}.pointer-ordering .order-arrows{display:flex;gap:0}@media(max-width:850px){.in-session .main-content{padding-top:16px}.lesson-topbar{gap:12px;padding:0 0 12px}.lesson-topbar .xp-badge{padding:7px 9px;font-size:13px;border-radius:10px}.lesson-topbar .exit-lesson{width:34px;min-width:34px;padding:4px}.lesson-progress-label{font-size:12px;margin-bottom:7px}.lesson-topbar .progress-line{height:12px}.exercise-title{font-size:26px;margin-bottom:14px}.exercise-actions{left:calc(50% + 5px);right:20px;bottom:max(15px,env(safe-area-inset-bottom));height:52px;min-height:52px}.exercise-actions .answer-actions,.exercise-actions>.button{width:100%}.exercise-actions .button{width:100%;font-size:14px;gap:7px;padding-left:10px;padding-right:10px}.mobile-tutor-toggle{width:calc(50% - 25px);left:20px;bottom:max(15px,env(safe-area-inset-bottom));font-size:14px}.learning-rewards{gap:14px;flex-wrap:wrap}.learning-rewards .level-meter{display:none}.pointer-ordering li{gap:6px;padding-right:6px}.pointer-ordering .order-arrows{flex-direction:column}.pointer-ordering .order-arrows .icon-button{min-height:30px;height:30px;width:32px}}@media(prefers-reduced-motion:reduce){.reward-particles{display:none}}.exercise-body{animation:exercise-arrive .2s var(--motion-arrive)}.lesson-workspace{animation:none;transform:none}.choice{position:relative}.choice .choice-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.choice:has(.choice-input:focus-visible){outline:3px solid var(--focus-blue, #285bc1);outline-offset:3px}.choice.chosen:after{content:"✓";margin-left:auto;font-size:20px;color:var(--accent);font-weight:850}.dont-know-action{margin-left:auto;margin-right:14px;white-space:nowrap;font-size:14px}.audio-skip-actions:empty{display:none}.audio-skip-actions{display:flex;gap:16px;margin:0 0 14px}.personalized-feedback{margin-top:20px;padding-top:18px;border-top:1px solid var(--border)}.personalized-feedback h3{margin:0 0 12px;font-size:17px}.feedback-skeleton{display:grid;gap:10px;margin:18px 0}.feedback-skeleton i{height:10px;border-radius:8px;background:var(--border);animation:feedback-pulse 1.3s ease-in-out infinite alternate}.feedback-skeleton i:nth-child(2){width:90%}.feedback-skeleton i:last-child{width:65%}@keyframes feedback-pulse{0%{opacity:.3}to{opacity:.7}}@media(max-width:850px){.in-session .workspace{padding-bottom:114px}.in-session .workspace:after{height:114px}.exercise-actions .dont-know-action{position:fixed;bottom:max(74px,calc(env(safe-area-inset-bottom) + 59px));left:50%;transform:translate(-50%);height:32px;margin:0}}.dialog-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px;flex-wrap:wrap}.personalization-rows{display:grid;gap:12px;margin-top:20px}.preference-row{width:100%;display:flex;align-items:center;gap:18px;text-align:left;padding:14px 20px;border:2px solid var(--border);border-radius:18px;background:var(--surface);color:var(--ink)}.preference-row>span:nth-last-child(2){flex:1}.preference-row>svg{width:56px}.preference-row strong,.preference-row small{display:block}.preference-row small{color:var(--muted);text-transform:capitalize}.appearance-editor,.wardrobe{display:grid;gap:20px}.appearance-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.preference-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:18px 10px;border:2px solid var(--border);border-bottom-width:4px;border-radius:18px;background:var(--surface);color:var(--ink);text-transform:capitalize;transition:transform .12s,border-color .12s}.preference-card.selected,.accessory-options .selected{border-color:var(--accent);background:var(--subtle)}.preference-card:active{transform:translateY(2px)}.preference-card small{color:var(--muted)}.color-dot{width:32px;height:32px;border-radius:50%;background:#bbeb74}.swatch-ocean .color-dot{background:#a7d5f6}.swatch-berry .color-dot{background:#f0b6cc}.character-preview{display:flex;align-items:center;justify-content:center;gap:24px;padding:8px;background:var(--subtle);border-radius:24px}.character-preview p{color:var(--muted);max-width:180px}.wardrobe-colors{display:flex;gap:18px;justify-content:center}.color-choice{display:grid;place-items:center;width:42px;height:42px;border:3px solid transparent;border-radius:50%;color:#202522}.color-choice.selected{outline:2px solid var(--accent);outline-offset:3px}.accessory-options{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;text-transform:capitalize}.accessory-options button{text-transform:capitalize}.tutor-header .customize-tutor{margin-left:auto;font-size:12px;padding:8px 0}.tutor-character{overflow:visible}.tutor-character .character-body{transform-origin:60px 100px}button:hover .tutor-character .character-body,.character-preview .character-body{animation:character-hello .7s ease-in-out}@keyframes character-hello{0%,to{transform:rotate(0)}30%{transform:rotate(-5deg)}65%{transform:rotate(5deg)}}@media(max-width:600px){.appearance-options{gap:8px}.preference-card{padding:12px 6px}.character-preview{gap:8px}.dialog-actions>.button.primary{flex:1}}.path-edit-actions{display:flex;gap:10px;flex-wrap:wrap}.extend-path-form{display:grid;gap:20px}.extend-path-form label{display:grid;gap:10px;font-weight:750}.extension-preview{list-style:none;padding:0;display:grid;gap:18px;max-height:45dvh;overflow:auto}.extension-preview li{display:flex;gap:14px}.extension-preview li>span{display:grid;place-items:center;flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--subtle);color:var(--accent);font-weight:800}.extension-preview h3{font-size:17px}.extension-preview p{font-size:14px;color:var(--muted)}.friends-page{max-width:1060px;margin:auto}.friends-page .page-heading h1{font-size:36px}.friends-page .page-heading p{color:var(--muted);margin-top:12px}.friends-welcome{display:grid;justify-items:center;text-align:center;padding:28px 16px;gap:20px;max-width:600px;margin:auto}.friends-welcome p{color:var(--muted);max-width:470px}.buddy-illustration{display:flex;align-items:flex-end;gap:8px}.buddy-illustration svg:nth-child(2){transform:rotate(6deg)}.friends-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,1fr);gap:28px}.friends-list,.weekly-board,.friends-moments{border:2px solid var(--border);border-radius:22px;padding:24px;background:var(--surface)}.friends-moments{grid-column:1/-1}.section-title{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.section-title h2{font-size:23px}.count-badge{font-size:15px;color:var(--muted);margin-left:4px}.section-title .button{min-height:42px;font-size:14px;padding:8px 12px}.friend-row{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--border)}.friend-row>div{flex:1;min-width:0}.friend-row strong{display:block;overflow-wrap:anywhere}.friend-row small{display:block;color:var(--muted)}.friends-empty{display:grid;justify-items:center;text-align:center;gap:12px;padding:20px 0}.friends-empty small,.friends-empty-copy{color:var(--muted)}.weekly-board>p{font-size:14px;color:var(--muted);margin:8px 0 16px}.weekly-board>small{display:block;color:var(--muted);margin-top:18px}.weekly-row{display:flex;align-items:center;gap:8px;min-height:60px}.weekly-row>strong{flex:1;min-width:0;overflow-wrap:anywhere}.weekly-row>span:last-child{white-space:nowrap;font-weight:800}.weekly-place{color:var(--muted);width:16px}.moment{display:flex;align-items:center;gap:14px;padding:14px 0;border-top:1px solid var(--border)}.moment>div{flex:1;min-width:0;overflow-wrap:anywhere}.moment p{font-size:14px;color:var(--muted)}.social-profile-form,.share-moment,.invite-link{display:grid;gap:20px}.social-profile-form>label:not(.toggle-row),.invite-link label{display:grid;gap:8px}.invite-link,.invite-create{margin-top:24px}.active-invites{padding-top:24px}.active-invites .text-link{margin-left:16px}.share-session-options{display:grid;gap:8px;max-height:30dvh;overflow:auto}.share-session-options .preference-row{padding:10px 16px}.share-session-options .selected{border-color:var(--accent)}.share-preview{display:grid;gap:10px;background:var(--subtle);border-radius:16px;padding:20px}.share-preview small{color:var(--muted)}.friend-invitation{display:flex;align-items:center;gap:20px;padding:22px;border:2px solid var(--accent);border-radius:20px;margin-bottom:24px;background:var(--subtle)}.friend-invitation h2{font-size:20px}.friend-invitation p{color:var(--muted)}.friend-invitation>div{flex:1}@media(max-width:900px){.header-inner{gap:16px}.site-header nav{gap:4px}.nav-link{padding-inline:10px}.workspace-mode{display:none}.friends-grid{grid-template-columns:1fr;gap:18px}.friends-moments{grid-column:auto}.friend-invitation{flex-wrap:wrap}}@media(max-width:600px){.friends-page .page-heading h1{font-size:29px}.friends-list,.weekly-board,.friends-moments{padding:18px}.section-title{align-items:flex-start;flex-wrap:wrap}.friends-page .page-heading{align-items:flex-start}.friends-page .page-heading>div{flex:1}.site-header nav{justify-content:space-between}}.google-sign-in{display:flex;align-items:center;justify-content:center;gap:12px;min-height:52px;width:100%;padding:12px;margin-top:28px;border:1px solid #747775;border-radius:12px;background:#fff;color:#1f1f1f;font-family:Google Sans,system-ui,sans-serif;font-size:16px;font-weight:500;transition:background .15s}.google-sign-in img{object-fit:contain;flex:none;background:#fff;border-radius:50%}.google-sign-in:hover:not(:disabled){background:#f2f2f2}.auth-divider{display:flex;align-items:center;gap:14px;margin:22px 0;color:var(--muted);font-size:13px}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--border);flex:1}.auth-page form{margin-top:0}@media(max-width:600px){.site-header nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px;width:100%;min-width:0;height:62px}.nav-link{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:7px 2px;font-size:11px}.nav-link span{max-width:100%}.nav-link svg{width:18px;height:18px}}@font-face{font-family:Google Sans;font-style:normal;font-weight:500;font-display:swap;src:url(/google-sans.ttf) format("truetype")}.path-tutor-dialog{width:min(720px,calc(100vw - 24px));height:min(820px,calc(100dvh - 32px));max-height:calc(100dvh - 32px)}.path-tutor-dialog .dialog-heading{flex-shrink:0}.path-tutor-dialog .dialog-heading h2{font-size:clamp(1.1rem,3vw,1.5rem);overflow-wrap:anywhere}.path-tutor-dialog .dialog-content{min-height:0;flex:1;overflow-y:auto}.path-tutor-dialog .dialog-footer{flex-shrink:0}.path-tutor-context{color:var(--muted);font-size:.9rem}.path-tutor-welcome{padding:20px 0}.path-tutor-welcome h3{margin:0 0 8px}.path-tutor-messages,.path-tutor-turn{display:grid;gap:20px}.path-tutor-turn{padding:8px 0 20px;border-bottom:1px solid var(--border)}.path-tutor-question{background:var(--subtle);border:1px solid var(--border);border-radius:18px;padding:16px;margin-left:24px;overflow-wrap:anywhere}.path-tutor-question p{white-space:pre-wrap;margin:8px 0 0}.path-tutor-reply{padding:0 4px;overflow-wrap:anywhere;min-width:0}.path-tutor-reply .prose{margin:8px 0 16px}.path-tutor-practice{border:1px solid var(--border);border-radius:18px;background:var(--subtle);padding:16px;margin-top:16px}.path-tutor-practice p{margin:0 0 12px}.path-tutor-compose{display:grid;gap:8px;width:100%}.path-tutor-compose label{font-size:.85rem;font-weight:800}.path-tutor-compose textarea{width:100%;min-height:64px;max-height:140px;resize:vertical}.path-tutor-compose-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.path-tutor-compose .field-error{margin:0;font-size:.85rem}@media(max-width:600px){.path-tutor-dialog{height:calc(100dvh - 16px);max-height:calc(100dvh - 16px)}.path-tutor-dialog .dialog-content,.path-tutor-dialog .dialog-footer{padding:16px}}
