:root{--ink:#243b3b;--muted:#687674;--paper:#fbfaf6;--line:#e4e8e0;--green:#315950;--green-dark:#25483f;--mint:#e7f0e8;--yellow:#f7d77c;--radius:20px;--shadow:0 12px 32px #243b3b06;font-family:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
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.app-shell{min-height:100vh;display:grid;grid-template-columns:252px minmax(0,1fr)}.sidebar{padding:32px 23px 22px;border-right:1px solid var(--line);background:#fffefa;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;min-width:0}.sidebar .brand{font-size:17px}.sidebar .brand-caption{font-size:9px}.sidebar .brand-mark{font-size:39px;flex:0 0 32px}.learner-card{margin:40px 0 24px;display:flex;align-items:center;gap:11px;padding:13px 11px;background:#f4f5ed;border-radius:11px}.avatar{display:grid;place-items:center;background:#f4d488;width:34px;height:34px;border-radius:11px;font-weight:650;font-size:15px}.learner-card strong{font-size:12px}.learner-card div>span{display:block;color:#8b957e;font-size:10px;margin-top:3px}.live-dot{width:6px;height:6px;background:#759e70;margin-left:auto;border-radius:50%}.main-nav{display:grid;gap:6px}.nav-button{display:flex;align-items:center;gap:12px;border-radius:9px;background:none;padding:13px 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.panel{border:1px solid #e3e7db;background:#fffefa;border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}.setup-panel{max-width:650px;margin:0 auto}.setup-panel>.text-button{margin-bottom:30px}.setup-panel h1{font-size:32px}.setup-panel form{margin-top:25px}.setup-panel .source-note{margin-bottom:24px}.lesson-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:0 0 25px}.lesson-heading h1{font-size:33px;margin:0}.lesson-heading .eyebrow{margin-bottom:9px}.lesson-grid{display:grid;grid-template-columns:minmax(0,1fr) 205px;gap:24px}.prompt-card{background:#edf2e6;border:1px solid #dfe7d4;padding:27px;border-radius:var(--radius)}.step-label{font-size:9px;font-weight:750;letter-spacing:.14em;color:#7c9169}.question-display{font-size:27px;font-weight:550;line-height:1.5;letter-spacing:-.02em;white-space:pre-wrap;overflow-wrap:anywhere;margin:14px 0}.prompt-card .source-note{font-size:10px;margin:15px 0 0;color:#7e8e70}.next-step{border-top:1px solid #d7e0cc;padding-top:17px;margin-top:18px;font-size:14px;line-height:1.7;white-space:pre-wrap}.message-list{display:grid;gap:14px;margin:24px 0}.message{padding:20px 23px;border:1px solid var(--line);border-radius:15px;background:white;min-width:0}.message-author{display:block;color:#819372;font-size:8px;font-weight:750;letter-spacing:.12em;margin-bottom:9px}.message>p{font-size:13px;margin-bottom:0;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}.message-student{background:#f4f2e9;margin-left:30px;border-color:#e7e3d4}.message-student .message-author{color:#a09573}.panel-heading{display:flex;align-items:center;gap:13px;margin-bottom:23px}.panel-heading h2{font-size:20px;margin:0 0 3px}.panel-heading .muted{font-size:11px;margin:0}.pencil-circle{width:37px;height:37px;display:grid;place-items:center;background:#f5ecd4;border-radius:50%;color:#ab985c;font-size:21px}.attempt-panel textarea{font-size:14px;line-height:1.8}.attempt-panel input{font-size:14px}.attempt-panel .field-note{font-size:10px;margin-bottom:22px}.attempt-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.attempt-actions .button{font-size:12px;padding:12px 16px}.ask-details{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}summary{cursor:pointer;font-size:12px;font-weight:550;color:#7e8f70;line-height:1.7}details[open]>summary{margin-bottom:20px}.ask-details label{font-size:11px}.ask-details textarea{margin-bottom:12px}.coach-note{border:1px solid #e4e5d5;background:#f5f3e7;border-radius:17px;padding:25px 21px}.coach-note>span{font-size:28px;color:#b9a362;display:block;margin-bottom:17px}.coach-note h2{font-size:17px;font-weight:600;letter-spacing:-.03em;line-height:1.4;margin-bottom:12px}.coach-note p{font-size:11px;line-height:1.9;color:#90927a}.balance-art{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:28px;color:#b5b89b}.balance-art>span{font-size:10px;border-bottom:2px solid #d0d2bc;padding:8px}.balance-art>b{font-size:23px;font-weight:300}.save-note{font-size:9px;color:#8f9b81;line-height:1.7;margin:25px 2px 14px;display:flex;align-items:baseline;gap:6px}.save-dot{width:5px;height:5px;flex:0 0 5px;border-radius:50%;background:#99b586}.lesson-aside>.field-note{font-size:9px;line-height:1.8}.saved-lessons-wrap{margin-bottom:22px;max-width:620px}.saved-lessons-wrap label{font-size:11px;color:#829074}.saved-lessons-wrap select{font-size:12px;background:#fffef9}.completed-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:25px 0 0}.completed-actions>span{font-size:13px;color:#6e8661}

.profile-content{display:grid;gap:24px}.profile-content h2{font-size:17px;margin-bottom:18px}.profile-skills{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.profile-skills>h2,.profile-skills>.muted{grid-column:1/-1}.skill-card{background:#fffefa;border:1px solid var(--line);padding:20px;border-radius:15px}.skill-card h3{font-size:14px;font-weight:600;letter-spacing:-.015em;margin-bottom:8px}.skill-card .field-note{font-size:11px;margin:0}.skill-card>p:not(.field-note){font-size:12px;margin:10px 0 0}.profile-observations{background:#f5f2e8;border:1px solid #e8e2ce;padding:23px;border-radius:17px}.profile-observations h2{margin-bottom:7px}.profile-observations>.field-note{font-size:11px}.observation-card{border-top:1px solid #e3dfcc;padding-top:13px;margin-top:13px}.observation-card p{font-size:13px;margin-bottom:0}.evidence-label{font-size:10px;color:#8f8a68}.parent-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.parent-grid .panel h2{font-size:19px}.parent-grid .panel>.muted{font-size:12px;margin-bottom:22px}.parent-grid label,.parent-grid legend{font-size:11px}.settings-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.settings-grid input{padding:9px 10px;font-size:13px}.subject-checkboxes{margin:22px 0}.subject-checkboxes legend{margin-bottom:12px}.subject-checkboxes label{display:flex;align-items:center;gap:8px;margin-bottom:11px;color:#71816a;font-weight:400}.subject-checkboxes input,.check-label input{width:15px;height:15px;accent-color:var(--green)}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.session-revoke{margin-top:23px;padding-top:15px;border-top:1px solid var(--line)}.session-revoke .text-button{font-size:11px}#access-form{margin-top:20px}#access-form input{font-size:13px}.check-label{display:flex;align-items:center;gap:8px;margin:15px 0 20px;font-weight:400}.profile-editor{margin-top:25px}.profile-editor>.muted{font-size:12px}.profile-editor .profile-content{margin:25px 0}.profile-editor details{padding-top:22px;border-top:1px solid var(--line)}#profile-json{font-family:Consolas,"Courier New",monospace;font-size:11px;margin-bottom:15px;white-space:pre;line-height:1.7}.activity-list{display:grid;gap:13px;max-height:300px;overflow-y:auto}.activity-item{padding-bottom:13px;border-bottom:1px solid var(--line);font-size:11px}.activity-item strong{font-size:11px;font-weight:600}.activity-item p{font-size:11px;color:#849078;line-height:1.7;margin:5px 0 0}

@media(min-width:1500px){.login-story{padding-right:90px}.login-intro{padding-top:120px}.learning-art{margin-top:40px;height:270px}.math-tile{top:60px}.subject-card{min-height:315px}.subject-card>span:not([class]){font-size:12px}.subject-card strong{font-size:23px}.subject-link{font-size:11px}.topbar{padding-left:58px;padding-right:58px}main{padding:50px 58px}.subject-grid{gap:23px}}
@media(max-width:1150px){.app-shell{grid-template-columns:220px minmax(0,1fr)}.sidebar{padding-left:18px;padding-right:18px}main{padding:32px 28px}.topbar{padding:20px 28px}.subject-grid{gap:12px}.subject-card{padding:21px 17px;min-height:285px}.subject-card strong{font-size:18px}.subject-card>span:not([class]){font-size:11px}.lesson-grid{grid-template-columns:minmax(0,1fr) 170px;gap:17px}.coach-note{padding:22px 17px}.app-footer{margin-left:28px;margin-right:28px}.settings-grid{grid-template-columns:1fr}.settings-grid>div{display:grid;grid-template-columns:1fr 74px;align-items:center;gap:10px}.settings-grid label{margin:0}.parent-grid{gap:15px}.parent-grid .panel{padding:22px}.page-heading{margin-top:10px}}
@media(max-width:900px){.login-story{padding-left:35px;padding-right:35px}.login-card-wrap{padding:40px 30px}.login-intro{padding-top:90px}.login-intro h1{font-size:56px}.learning-art{max-width:300px;height:220px}.art-note{padding:17px}.math-tile{padding:23px;font-size:35px}.login-story .brand{font-size:17px}.lesson-grid{grid-template-columns:minmax(0,1fr)}.lesson-aside{display:none}.subject-grid{grid-template-columns:1fr}.subject-card{min-height:0;padding:21px;display:grid;grid-template-columns:54px 1fr;column-gap:17px}.subject-icon{grid-column:1;grid-row:1/5;margin:0;width:49px;height:49px;align-self:center}.subject-category,.subject-card strong,.subject-card>span:not([class]),.subject-link{grid-column:2}.subject-category{margin-bottom:5px}.subject-card strong{margin-bottom:6px;font-size:21px}.subject-card>span:not([class]){max-width:none}.subject-link{padding-top:10px;max-width:190px}.page-heading{margin-bottom:28px}.heading-doodle{font-size:65px}.parent-grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:repeat(3,1fr)}.settings-grid>div{display:block}.settings-grid label{margin-bottom:8px}.profile-skills{grid-template-columns:1fr}}
@media(max-width:650px){.login-view{grid-template-columns:1fr}.login-story{min-height:0;padding:25px 25px 32px}.login-story .brand{font-size:16px}.login-intro{padding-top:38px}.login-intro h1{font-size:48px;margin-bottom:16px}.login-intro>p:not(.eyebrow){font-size:13px;line-height:1.7;margin-bottom:0}.login-intro .eyebrow{font-size:9px}.learning-art{position:absolute;width:145px;height:150px;right:0;bottom:-5px;opacity:.65;pointer-events:none}.math-tile{left:8px;top:25px;padding:13px;font-size:26px}.math-tile span{display:none}.art-spark{font-size:36px;right:5px;top:0}.art-note{right:0;bottom:10px;padding:10px 13px;font-size:10px}.art-note strong{font-size:13px}.note-dot{width:6px;height:6px;top:6px;right:5px}.orbit{width:75px;height:40px;top:45%}.login-footnote{display:none}.login-card-wrap{padding:33px 25px 40px}.login-card{max-width:420px}.login-card h2{font-size:28px}.login-card .mini-label{font-size:9px}.login-card>.muted{margin-bottom:22px}.role-picker{margin-bottom:23px}.private-note{margin-top:28px;padding-top:20px}.app-shell{display:block}.sidebar{position:relative;height:auto;padding:18px 20px 0;border-right:0;border-bottom:1px solid var(--line)}.sidebar>.brand{font-size:17px}.sidebar .brand-caption{display:none}.sidebar .brand-mark{font-size:32px;height:34px;flex-basis:28px}.sidebar .brand-mark>span{font-size:15px}.learner-card{position:absolute;right:20px;top:18px;padding:0;background:none;margin:0;gap:8px}.learner-card .avatar{width:30px;height:30px;border-radius:10px;font-size:12px}.learner-card strong{font-size:11px}.learner-card div>span{font-size:8px;margin-top:1px}.live-dot{display:none}.main-nav{display:flex;gap:10px;margin:20px 0 13px}.nav-button{padding:10px 11px;font-size:10px;gap:7px}.nav-button>span{font-size:15px}.threads-heading{position:absolute;right:20px;bottom:12px;margin:0}.threads-heading h2{display:none}.threads-heading .icon-button{width:29px;height:29px;font-size:22px}.thread-list{display:flex;gap:5px;min-height:0;max-width:calc(100% - 45px);margin:0 0 12px;overflow-x:auto;overflow-y:hidden;max-height:44px}.thread-list>.field-note{font-size:9px;margin:3px 0;padding:0 5px}.thread-button{width:auto;flex:0 0 auto;max-width:150px;padding:8px 10px;border:1px solid #eceee2}.thread-title{font-size:9px}.thread-date{display:none}.sidebar-bottom{display:none}.topbar{min-height:51px;padding:12px 21px;background:transparent}.topbar>span{font-size:8px;letter-spacing:.12em}.status-pill{font-size:8px;padding:6px 8px}.status-pill:before{width:4px;height:4px}#mobile-logout{display:block;font-size:9px}.topbar-right{gap:10px}main{padding:27px 21px}.page-heading{margin:6px 0 25px;gap:10px}.page-heading h1{font-size:29px}.page-heading .eyebrow{font-size:9px;margin-bottom:10px}.page-heading .muted{font-size:12px;line-height:1.8}.heading-doodle{font-size:53px;margin-right:0}.subject-grid{gap:12px}.subject-card{padding:20px 18px;column-gap:15px;grid-template-columns:48px 1fr}.subject-icon{width:45px;height:45px;font-size:26px}.subject-category{font-size:7px}.subject-card strong{font-size:19px}.subject-card>span:not([class]){font-size:10px;line-height:1.8}.subject-link{font-size:9px;padding-top:9px;max-width:none}.quiet-card{padding:18px;gap:14px;margin:22px 0}.quiet-icon{font-size:25px}.quiet-card strong{font-size:12px}.quiet-card p{font-size:10px;line-height:1.7}.materials-section{margin-top:28px}.materials-section h2{font-size:15px}.material-card strong{font-size:11px}.material-card .source-note{font-size:10px}.app-footer{font-size:8px;margin:12px 21px 0;padding-bottom:20px}.app-footer>span:last-child{font-size:7px}.lesson-heading{gap:10px;margin-bottom:23px;align-items:flex-start}.lesson-heading h1{font-size:28px}.lesson-heading .eyebrow{font-size:8px}.lesson-heading .button{font-size:10px;min-height:34px;padding:9px 11px;white-space:nowrap}.prompt-card{padding:22px}.question-display{font-size:24px}.next-step{font-size:13px;line-height:1.8}.prompt-card .source-note{font-size:9px}.message{padding:18px 20px}.message>p{font-size:12px}.message-student{margin-left:17px}.message-author{font-size:7px}.panel{padding:22px}.panel-heading{gap:12px}.panel-heading h2{font-size:19px}.panel-heading .muted{font-size:10px}.pencil-circle{width:32px;height:32px;font-size:18px}.attempt-panel label{font-size:12px}.attempt-actions{gap:9px}.attempt-actions .button{font-size:11px;padding:12px 15px;flex:1}.attempt-actions .button.primary{flex:1.6}.button{font-size:12px}.settings-grid{gap:10px}.settings-grid label{font-size:10px}.settings-grid input{padding:10px}.parent-grid .panel{padding:22px}.parent-grid .panel h2{font-size:18px}.parent-grid .panel>.muted{font-size:11px}.profile-editor{padding:22px}.profile-editor h2{font-size:18px}.profile-skills{gap:12px}.profile-observations{padding:20px}.profile-content h2{font-size:16px}.profile-editor .profile-content{gap:20px}.skill-card{padding:18px}.observation-card p{font-size:12px}.completed-actions>span{font-size:12px}.completed-actions .button{padding:11px 14px;font-size:11px}.setup-panel h1{font-size:28px}.setup-panel>.text-button{margin-bottom:25px}.setup-panel>.muted{font-size:12px}#parent-view .page-heading .button{font-size:10px;align-self:flex-start;padding:9px 12px;min-height:35px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Keep the learner's reading and input comfortably sized on every screen. */
.coaching-checkin{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:-8px 0 24px;padding:15px 18px;border:1px solid var(--line);border-radius:12px;background:#fffefa;font-size:13px}.checkin-buttons{display:flex;gap:8px}.coaching-checkin .button{padding:9px 13px;font-size:12px}.coaching-checkin .field-note{flex-basis:100%;margin:0;font-size:12px;line-height:1.65}.profile-checkins{border-top:1px solid var(--line);padding-top:22px}.profile-checkins>p{font-size:13px;line-height:1.75;margin-bottom:8px}
.message>p,.attempt-panel textarea,.attempt-panel input{font-size:15px}
.subject-card>span:not([class]){font-size:13px;line-height:1.75}
.field-note,.attempt-panel .field-note,.lesson-aside>.field-note,.material-card .source-note,.prompt-card .source-note{font-size:12px;line-height:1.75}
.coach-note p{font-size:13px;line-height:1.8}
.thread-title{font-size:12px}.thread-date{font-size:10px}.save-note{font-size:11px}
.quiet-card p,.material-card strong{font-size:13px}
.profile-evidence{display:grid;gap:12px}.profile-evidence>h2{margin-bottom:3px}
.evidence-card{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fffefa;overflow-wrap:anywhere}
.evidence-card strong{font-size:13px;display:block;margin-bottom:7px}.evidence-card .evidence-label{display:block;font-size:11px;margin-bottom:10px}
.evidence-card p{font-size:13px;white-space:pre-wrap;line-height:1.75;margin-bottom:6px}.evidence-card .field-note{font-size:11px;margin:10px 0 0}
.preview-note{font-size:12px;color:#886f37;background:#faf0d5;border:1px solid #eee0b8;border-radius:10px;padding:12px 16px;margin:0 0 25px;line-height:1.7}
.parent-notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0}.parent-notes-grid textarea,#parent-observations{font-size:14px;line-height:1.75}.profile-editor>form{margin:25px 0 30px}.profile-editor>.profile-content{padding-top:25px;border-top:1px solid var(--line)}
@media(max-width:650px){.parent-notes-grid{grid-template-columns:1fr;gap:18px}}
@media(max-width:650px){.subject-card{padding:21px 18px}.subject-card>span:not([class]){font-size:12px}.thread-title{font-size:11px}.quiet-card p{font-size:12px}.attempt-panel label{font-size:13px}.lesson-heading h1{font-size:26px}}
@media(max-width:450px){.login-intro .learning-art{display:none!important}}

/* A question and its source stay together, with a readable review before use. */
.legacy-practice{display:none!important}.chat-quick-actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.chat-quick-actions .button{min-height:44px;font-size:13px;padding:10px 13px}.chat-messages{margin:0 0 20px}.chat-messages .message-student{margin-left:18px}.chat-messages .message>p{font-size:16px;line-height:1.65}.ask-composer>textarea{min-height:110px}.chat-messages .earlier-steps{margin-bottom:10px}#chat-heading h1{font-size:32px}
.earlier-steps{margin:5px 0 16px}.earlier-steps>summary{font-size:13px;min-height:44px;cursor:pointer;padding:10px 0}.earlier-steps .message{margin-top:12px}
.help-start{width:100%;min-height:48px;margin:0 0 22px;font-size:15px;justify-content:space-between;background:#edf3e7;border-color:#c7d6be}.answer-details,.practice-source{margin:15px 0 20px}.answer-details summary,.practice-source summary{min-height:36px;cursor:pointer;font-size:13px}.answer-details input{margin-top:10px}.interpretation-confirm{border:1px solid #d7c78d;background:#fff8e4;border-radius:12px;padding:16px;margin:18px 0}.interpretation-confirm p{font-size:15px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.interpretation-confirm>div{display:flex;gap:9px;flex-wrap:wrap}.interpretation-confirm .button{min-height:44px}.interpretation-note{border-left:3px solid #bacda8;padding-left:11px;font-size:14px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}#setup-coaching{margin:0 0 15px}.attempt-panel .attempt-actions .button{min-height:48px}.attempt-panel .panel-heading{margin-bottom:18px}
.ask-composer{margin-bottom:34px;padding:26px}.ask-composer>label{font-size:16px}.ask-composer>textarea{font-size:16px;line-height:1.7;min-height:155px;white-space:pre-wrap}.attachment-actions{display:flex;gap:9px;flex-wrap:wrap}.attachment-actions .button{min-height:44px;gap:8px}.attachment-help{margin-bottom:0}.composer-submit{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:20px}.composer-submit .field-note{margin:0;flex:1}.composer-submit .button{min-width:115px}.practice-heading{font-size:17px;margin:0 0 17px}.material-review{border:1px solid #dce4d5;border-radius:12px;margin-top:20px;padding:17px;background:#f6f8f1;min-width:0}.material-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.material-heading strong{font-size:13px;overflow-wrap:anywhere}.material-heading .text-button{flex-shrink:0;min-height:44px}.material-review details{margin:15px 0}.material-review summary{font-size:13px;font-weight:600;min-height:36px;cursor:pointer}.material-review textarea{font-size:14px;white-space:pre-wrap;background:#fffefa}.material-review select{font-size:14px}.material-confirmation{font-size:13px;font-weight:400;line-height:1.65;align-items:flex-start;margin-bottom:0}.material-confirmation input{flex:0 0 18px;width:18px;height:18px;margin-top:2px}.source-warning{font-size:12px;line-height:1.7;color:#785c22;border-left:3px solid #d5b76b;padding-left:10px;white-space:pre-wrap;margin-bottom:9px}.question-display{overflow-wrap:anywhere;white-space:pre-wrap}.main-nav button,.text-button{touch-action:manipulation}#install-app{min-height:44px}.login-card input,.attempt-panel input,.attempt-panel textarea{font-size:16px}.thread-materials{margin-top:14px;border-top:1px solid var(--line);padding-top:14px}.thread-materials summary{font-size:12px;cursor:pointer}.saved-file{display:block;overflow-wrap:anywhere}.source-material-view{margin:18px 0}.source-material-view textarea{font-size:15px;white-space:pre-wrap}.source-material-view h2{font-size:17px;margin:0;overflow-wrap:anywhere}.source-material-view .material-heading{margin-bottom:15px}
@media(max-width:650px){body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}.sidebar{padding-top:max(18px,env(safe-area-inset-top))}.ask-composer{padding:19px;margin-bottom:28px}.ask-composer>textarea{min-height:170px}.attachment-actions{gap:7px}.attachment-actions .button{flex:1;padding:10px 8px;font-size:12px;min-width:0}.attachment-actions .button span{font-size:17px}.composer-submit{align-items:center}.material-review{padding:13px}.material-review textarea,.material-review select,select,input,textarea{font-size:16px}.topbar{flex-wrap:wrap;gap:4px}.topbar-right{margin-left:auto;flex-wrap:wrap}.topbar>span{display:none}.main-nav{gap:4px;margin-right:0}.nav-button{min-height:44px;font-size:11px;padding:10px}.thread-button{min-height:40px}.thread-list{max-height:52px}.app-footer{padding-bottom:max(20px,env(safe-area-inset-bottom))}.login-card-wrap{padding-bottom:max(40px,env(safe-area-inset-bottom))}.ask-composer .attachment-help{font-size:11px}.lesson-heading .button{min-height:44px}.attempt-actions{flex-wrap:wrap}.attempt-actions .button{min-width:110px}.status-pill{font-size:10px}.topbar #mobile-logout{font-size:12px;min-height:44px}.sidebar .learner-card{right:20px}.sidebar .brand{max-width:65%}.subject-card>span:not([class]){font-size:13px}.field-note{overflow-wrap:anywhere}}

/* The checked symbolic state stays visible; long conversation is optional. */
.aid-notation>summary{font-size:13px;cursor:pointer;min-height:44px;padding:11px 0}.group-blocks .group-set:only-child .group-tiles{grid-template-columns:repeat(5,minmax(22px,1fr))}.workspace-attempt{padding-top:15px}.workspace-attempt>.step-label,.workspace-original>.step-label{font-size:10px}.workspace-try-step{min-height:44px!important;margin-top:13px}
.equation-workspace{min-width:0;background:#fffefa;border:1px solid #d1ddcf;border-radius:18px;padding:25px;margin:0 0 12px;box-shadow:0 3px 14px #243c3210}
.workspace-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:15px}.workspace-heading h2{font-size:20px;margin:0}.workspace-state{font-size:12px;color:var(--muted)}
.equation-line{min-width:0;max-width:100%;overflow-x:auto;overflow-y:hidden;padding:9px 2px;line-height:1.65;scrollbar-width:thin}.equation-line:focus-visible{outline:2px solid #315950;outline-offset:3px;border-radius:5px}.equation-line math{font-family:"Cambria Math","STIX Two Math",math;font-size:23px;width:max-content;min-width:0;max-width:none;margin:0 auto}.math-plain{white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px}
.workspace-original{margin-bottom:15px;color:var(--muted)}.workspace-original summary,.workspace-attempt summary,.workspace-steps summary,.workspace-support summary,.math-history>summary{font-size:13px;cursor:pointer;min-height:44px;padding:11px 0}.workspace-original math{font-size:19px}.workspace-current{padding:15px 14px;border:1px solid #dce7d6;border-radius:12px;background:#f2f6ed}.workspace-current .step-label{font-size:10px}.current-equation math{font-size:30px}.workspace-attempt{margin-top:7px}.workspace-attempt .equation-line{font-size:17px}.workspace-feedback{margin-top:18px;border-left:3px solid #a8b4aa;padding:3px 0 3px 14px}.workspace-feedback strong{font-size:13px}.workspace-feedback p{font-size:15px;line-height:1.65;margin:5px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.feedback-checked,.feedback-answer-correct{border-color:#4e7961}.feedback-checked strong,.feedback-answer-correct strong{color:#315950}.feedback-retry{border-color:#b88c49}.feedback-retry strong{color:#805d26}.workspace-next{margin-top:20px}.workspace-next .step-label{font-size:10px}.focus-expression{background:#faf0d6;border:1px solid #eee0bb;border-radius:9px;margin:8px 0 13px}.focus-expression math{font-size:25px}.workspace-prompt{font-size:16px;line-height:1.7;margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.workspace-steps{border-top:1px solid var(--line);margin-top:18px}.workspace-steps>.equation-line{border-top:1px dashed var(--line)}
.workspace-support{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:0 0 14px;padding:0 4px}.workspace-help-actions{display:flex;gap:8px;flex-wrap:wrap;padding:4px 0 12px}.workspace-help-actions .button,.workspace-support>.button{min-height:44px}.workspace-help-actions .button{font-size:13px}.conversation-history>summary{display:none}.math-history{border-top:1px solid var(--line);margin:4px 0 20px}.math-history>summary{display:list-item;color:var(--muted)}.math-history .chat-messages{margin-top:12px}.workspace-composer-label{display:block;margin-bottom:12px}#custom-lesson-form:has(.workspace-composer-label)>textarea{min-height:100px}
.teaching-aid{background:#f6f4eb;border:1px solid #e3dfcf;border-radius:13px;padding:19px;margin-top:20px;min-width:0}.teaching-aid h3{font-size:17px;margin:0 0 10px}.teaching-aid>p{font-size:14px;line-height:1.75;overflow-wrap:anywhere}.teaching-aid .aid-prompt{font-weight:600;margin:15px 0 0}.teaching-aid .aid-line{border-top:1px solid #e3dfcf;padding:12px 0}.teaching-aid .aid-line math{font-size:21px}.teaching-aid figure{margin:18px 0;min-width:0}.teaching-aid figcaption{font-size:13px;font-weight:600;line-height:1.6;margin-bottom:12px}.group-blocks{display:flex;gap:12px;align-items:stretch}.group-set{min-width:0;padding:12px;border:1px solid #bacdb1;border-radius:10px;background:#fffefa}.group-label{display:block;font-size:11px;font-weight:600;margin-bottom:9px}.group-tiles{display:grid;grid-template-columns:repeat(5,minmax(25px,1fr));gap:5px}.group-set:last-child .group-tiles{grid-template-columns:repeat(2,minmax(25px,1fr))}.group-tile{display:grid;place-items:center;border:1px solid #b6c6af;border-radius:5px;min-height:31px;min-width:25px;font-size:13px;background:#e7eedf}.group-visual .field-note,.equality-visual .field-note{margin:12px 0 0}.number-line-visual svg{display:block;width:100%;max-width:520px;color:#315950;font:17px system-ui,sans-serif}.equality-pair{display:grid;grid-template-columns:minmax(0,1fr) 20px minmax(0,1fr);gap:8px;align-items:center}.equality-side{min-width:0;border:1px solid #b9cab2;border-radius:10px;background:#fffefa;padding:12px 8px;align-self:stretch}.equality-side .equation-line math{font-size:19px}.equality-sign{font-size:25px;text-align:center}.equality-side .group-label{margin-bottom:4px}
@media(max-width:650px){.equation-workspace{padding:18px 15px;border-radius:14px}.workspace-heading h2{font-size:18px}.workspace-heading{gap:6px;margin-bottom:10px}.workspace-state{font-size:11px}.workspace-current{padding:13px 9px}.current-equation math{font-size:27px}.workspace-original{margin-bottom:10px}.workspace-feedback p{font-size:15px}.workspace-next{margin-top:17px}.workspace-prompt{font-size:15px}.teaching-aid{padding:15px 11px}.group-blocks{gap:7px}.group-set{padding:9px 6px}.group-tiles{grid-template-columns:repeat(5,minmax(22px,1fr));gap:4px}.group-tile{font-size:12px;min-width:22px;min-height:30px}.group-set:last-child .group-tiles{grid-template-columns:repeat(2,minmax(22px,1fr))}.equality-pair{gap:5px;grid-template-columns:minmax(0,1fr) 15px minmax(0,1fr)}.equality-side{padding:10px 5px}.equality-side .equation-line math{font-size:18px}.workspace-help-actions .button{padding:10px 12px}.workspace-support{gap:7px}.workspace-support>details{width:100%}}