.recall-page{padding-bottom:8px}.recall-section-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.recall-section-heading h2,.recall-section-heading h3{letter-spacing:-.45px;font-size:21px;font-weight:600;line-height:1.4}.recall-section-heading>span{color:var(--muted);white-space:nowrap;font-size:12px}.recall-topic-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:28px;display:grid}.recall-topic{text-align:left;color:var(--ink);border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;flex-direction:column;min-height:151px;padding:18px;transition:border-color .15s,background .15s;display:flex}.recall-topic:hover{background:#fbfdf9;border-color:#85a896}.recall-topic.is-selected{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green);background:#edf5ee}.recall-topic-number{color:#5f7c70;letter-spacing:1px;justify-content:space-between;align-items:center;width:100%;min-height:16px;margin-bottom:13px;font-size:11px;display:flex}.recall-topic-number svg{color:var(--green)}.recall-topic strong{overflow-wrap:anywhere;font-size:14px;font-weight:650;line-height:1.5}.recall-topic small{color:#62796e;margin-top:6px;font-size:12px;line-height:1.7}.recall-mobile-picker{display:none}.recall-topic-heading{background:#eaf2e9;border:1px solid #d6e3d5;border-radius:14px 14px 0 0;justify-content:space-between;align-items:flex-start;gap:24px;padding:27px 30px;display:flex}.recall-topic-heading h2{letter-spacing:-.8px;font-size:28px;font-weight:600;line-height:1.3}.recall-topic-heading p:not(.eyebrow){color:#45685a;max-width:760px;margin-top:10px;font-size:14px;line-height:1.85}.recall-topic-heading>svg{color:var(--green);flex-shrink:0;margin-top:6px}.recall-formula{background:#fff;border:1px solid #d6e3d5;border-top:0;border-radius:0 0 14px 14px;align-items:center;gap:25px;margin-bottom:22px;padding:20px 30px;display:flex}.recall-formula>span{color:#5a7566;letter-spacing:1.2px;white-space:nowrap;font-size:9px;font-weight:650}.recall-formula p{overflow-wrap:anywhere;font-family:Georgia,Times New Roman,serif;font-size:20px;line-height:1.6}.recall-study-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:22px;display:grid}.recall-content .card{min-width:0;padding:26px}.recall-content h3{letter-spacing:-.4px;font-size:19px;font-weight:600;line-height:1.5}.recall-rules>ol{counter-reset:recall-rule;margin:22px 0 0;padding:0;list-style:none}.recall-rules>ol>li{counter-increment:recall-rule;margin-top:20px;padding-left:35px;position:relative}.recall-rules>ol>li:first-child{margin-top:0}.recall-rules>ol>li:before{content:counter(recall-rule);width:23px;height:23px;color:var(--green);background:#eff4ed;border-radius:50%;place-items:center;font-size:11px;font-weight:650;display:grid;position:absolute;top:0;left:0}.recall-rules h4{margin:0 0 5px;font-size:14px;font-weight:650;line-height:1.7}.recall-rules li p{color:#5c7267;margin:0;font-size:13px;line-height:1.9}.recall-examples>div{margin-top:16px}.recall-example{border-top:1px solid var(--line);padding:16px 0}.recall-example:last-child{padding-bottom:0}.recall-example summary{cursor:pointer;align-items:flex-start;gap:10px;font-size:14px;font-weight:600;line-height:1.8;list-style:none;display:flex}.recall-example summary::-webkit-details-marker{display:none}.recall-example summary>svg{color:#678472;flex-shrink:0;margin-top:5px;transition:transform .15s}.recall-example[open] summary>svg{transform:rotate(180deg)}.recall-example summary>span:nth-child(2){flex:1;min-width:0}.recall-example-number{color:#628153;background:#f2f5ee;border-radius:5px;flex-shrink:0;place-items:center;width:23px;height:23px;margin-top:2px;font-size:11px;display:grid}.recall-example ol{color:#5c7267;margin:17px 0 16px;padding-left:23px;font-size:13px;line-height:1.9}.recall-example li{margin-top:10px;padding-left:4px}.recall-example-answer{color:#286445;background:#edf5ed;border-radius:8px;align-items:flex-start;gap:8px;margin:0;padding:12px 14px;font-size:13px;font-weight:650;line-height:1.7;display:flex}.recall-example-answer svg{flex-shrink:0;margin-top:3px}.recall-bottom-grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:22px;margin-top:22px;display:grid}.recall-mistake{background:#fcf4e9;border:1px solid #ecdfcc;border-radius:12px;align-items:flex-start;gap:13px;padding:25px;display:flex}.recall-mistake>svg{color:#926331;flex-shrink:0;margin-top:3px}.recall-mistake h3{color:#765329;letter-spacing:-.2px;font-size:16px}.recall-mistake p{color:#806348;margin-top:9px;font-size:13px;line-height:1.9}.recall-practice form{margin-top:18px}.recall-practice fieldset{border:0;min-width:0;margin:0;padding:0}.recall-practice legend{width:100%;margin-bottom:16px;font-size:15px;font-weight:600;line-height:1.85}.recall-options{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px;display:grid}.recall-options>label{border:1px solid var(--line);cursor:pointer;overflow-wrap:anywhere;background:#fafbf8;border-radius:8px;align-items:center;gap:9px;min-width:0;min-height:48px;padding:12px;font-size:13px;line-height:1.6;display:flex}.recall-options>label.is-selected{background:#edf5ee;border-color:#5f9275}.recall-options input{accent-color:var(--green);flex-shrink:0;width:15px;height:15px;margin:0}.recall-option-letter{color:#647d6d;font-size:10px}.recall-practice .button{min-height:44px;font-size:12px}.recall-practice-note{color:#64796d;margin-top:15px;font-size:12px;line-height:1.8}.recall-feedback{color:#2e684b;background:#f0f7ef;border:1px solid #d5e6d6;border-radius:8px;margin-top:16px;padding:14px 16px;font-size:13px;line-height:1.9}.recall-feedback strong{font-size:13px;font-weight:650}.recall-feedback p{margin-top:5px}.recall-feedback.needs-review{color:#7a5a34;background:#fcf4e9;border-color:#ecdfcc}.recall-graph{margin-top:28px}.recall-graph .guide-intro{padding-bottom:17px;font-size:13px;line-height:1.8}.recall-graph .graph-controls h4{font-size:17px;font-weight:600}.recall-graph .graph-controls label{font-size:13px;line-height:1.8}.recall-graph .graph-controls>p{font-size:12px;line-height:1.8}.recall-graph .graph-controls input{height:22px}.recall-page button:focus-visible,.recall-page select:focus-visible,.recall-page summary:focus-visible{outline-offset:4px;outline:3px solid #216c55}@media (max-width:1000px){.recall-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.recall-topic{min-height:132px}.recall-topic small{max-width:290px}.recall-content .card{padding:23px}.recall-study-grid,.recall-bottom-grid{gap:17px}.recall-formula{gap:18px;padding:18px 24px}.recall-formula p{font-size:18px}}@media (max-width:760px){.recall-study-grid,.recall-bottom-grid{grid-template-columns:1fr}.recall-topic-heading{padding:23px}.recall-topic-heading h2{font-size:25px}.recall-formula{flex-direction:column;align-items:flex-start;gap:8px}.recall-formula p{font-size:20px}.recall-mistake{padding:22px}.recall-graph .graph-controls{max-width:none}}@media (max-width:600px){.recall-section-heading{align-items:flex-start;margin-bottom:15px}.recall-section-heading h2,.recall-section-heading h3{font-size:19px}.recall-section-heading>span{margin-top:29px;font-size:11px}.recall-topic-grid{display:none}.recall-mobile-picker{color:#456858;margin-bottom:22px;font-size:12px;font-weight:600;display:block}.recall-mobile-picker select{width:100%;min-height:49px;color:var(--ink);background:#fff;border:1px solid #b9cdbb;border-radius:9px;margin-top:8px;padding:12px;font-family:inherit;font-size:16px;display:block}.recall-topic-heading{padding:21px 20px}.recall-topic-heading>svg{display:none}.recall-topic-heading h2{font-size:24px}.recall-topic-heading p:not(.eyebrow){font-size:14px;line-height:1.85}.recall-formula{margin-bottom:17px;padding:17px 20px}.recall-formula p{font-size:19px}.recall-content .card{padding:22px 20px}.recall-rules>ol>li{padding-left:32px}.recall-rules h4,.recall-example summary,.recall-rules li p,.recall-example ol,.recall-mistake p{font-size:14px}.recall-content h3,.recall-examples h3{font-size:18px}.recall-example ol{padding-left:20px}.recall-example-answer{font-size:13px}.recall-bottom-grid{gap:17px;margin-top:17px}.recall-mistake{gap:10px;padding:20px 18px}.recall-mistake h3{font-size:16px}.recall-practice legend{font-size:15px}.recall-options>label{gap:7px;padding:11px 9px;font-size:14px}.recall-option-letter{display:none}.recall-options{gap:9px}.recall-practice .button{width:100%;min-height:47px;font-size:13px}.recall-graph .graph-controls>p,.recall-graph .guide-intro{font-size:13px}.recall-graph .graph-caption{font-size:11px}.recall-graph .graph-controls label{font-size:13px}.recall-graph .graph-controls label strong{font-size:14px}.recall-graph .graph-values{font-size:13px}}@media (prefers-reduced-motion:reduce){.recall-page *{transition:none!important}}:root{font-synthesis:none;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#183a37;--muted:#71837d;--green:#216c55;--green-dark:#17533f;--line:#e1e8e2;--paper:#fff;--bg:#f5f7f3;--soft:#edf4eb;--orange:#df986b;--warn:#9b6238;color:var(--ink);background:var(--bg);font-family:Inter,Segoe UI,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;font-size:14px;line-height:1.6}button,input,select,textarea{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;touch-action:manipulation;border:0}button:disabled{cursor:not-allowed;opacity:.45}button,a{color:inherit}a{text-decoration:none}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.3}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #8cbd9f}strong{font-weight:650}.shell{width:min(1200px,100% - 64px);margin-inline:auto}.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.header-inner{align-items:center;gap:18px;height:80px;display:flex}.brand{letter-spacing:-.8px;align-items:center;gap:10px;font-size:23px;font-weight:750;display:flex}.brand>span:last-child{margin-left:-10px;font-weight:450}.brand-mark{background:var(--ink);color:#fff;border-radius:11px;place-items:center;width:35px;height:35px;font-size:22px;font-weight:650;display:grid;position:relative}.brand-mark i{color:#e5a473;font-style:normal;position:absolute;top:-4px;right:1px}.prototype-tag{letter-spacing:1px;border:1px solid var(--line);color:var(--muted);border-radius:5px;padding:4px 8px;font-size:9px;font-weight:650}.header-subtitle{color:var(--muted);margin-left:auto;font-size:12px}.account{align-items:center;gap:10px;margin-left:auto;display:flex}.avatar{background:var(--soft);width:33px;height:33px;color:var(--green);border-radius:50%;place-items:center;font-weight:650;display:grid}.account strong{overflow-wrap:anywhere;max-width:240px;font-size:12px;display:block}.account small{color:var(--muted);font-size:10px;display:block}.icon-link{min-width:34px;min-height:36px;color:var(--muted);background:0 0;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;padding:7px;display:inline-flex}.icon-link:hover:not(:disabled){background:var(--soft);color:var(--green)}.account .icon-link{margin-left:10px}.skip-link{background:var(--green);color:#fff;z-index:50;padding:10px 20px;position:absolute;top:-100px;left:20px}.skip-link:focus{top:10px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.button{border-radius:8px;justify-content:center;align-items:center;gap:10px;min-height:44px;padding:11px 17px;font-size:12px;font-weight:600;line-height:1.4;transition:background .15s;display:inline-flex}.button.primary{background:var(--green);color:#fff}.button.primary:hover:not(:disabled){background:var(--green-dark)}.button.outline{color:var(--green);background:#fff;border:1px solid #d4dfd4}.button.outline:hover:not(:disabled){background:#f5f9f3}.button.subtle{color:var(--muted);background:0 0;padding-inline:8px}.button.compact{min-height:36px;padding:8px 12px;font-size:11px}.button.full{width:100%}.text-link{color:var(--green);background:0 0;align-items:center;gap:8px;padding:5px 0;font-size:12px;font-weight:600;display:inline-flex}.eyebrow{letter-spacing:1.8px;color:var(--green);margin-bottom:9px;font-size:9px;font-weight:700}.muted{color:var(--muted);margin-top:5px;font-size:12px;line-height:1.8}.fineprint{color:var(--muted);line-height:1.8;margin-top:15px!important;font-size:10px!important}.small-label{letter-spacing:1px;color:var(--muted);font-size:9px;font-weight:600}.alert,.notice{border-radius:10px;justify-content:space-between;align-items:center;gap:12px;margin-top:18px;padding:13px 17px;font-size:12px;display:flex}.alert{color:#964533;background:#fff0e8;border:1px solid #ecd3c4}.notice{color:#386231;background:#e9f3e6;border:1px solid #c8dbc1}.loading{min-height:65vh;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:13px;display:flex}.loading-dot{border:2px solid #dbe6da;border-top-color:var(--green);border-radius:50%;width:22px;height:22px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.welcome{grid-template-columns:1.15fr 1fr;align-items:center;gap:100px;min-height:calc(100vh - 166px);padding:60px 25px;display:grid}.welcome-copy h1{letter-spacing:-2px;font-size:clamp(35px,3.3vw,49px);font-weight:550;line-height:1.18}.welcome-copy h1 em{color:var(--green);font-style:normal}.welcome-copy>.eyebrow{margin-bottom:24px}.lead{color:var(--muted);max-width:420px;margin:22px 0 28px;font-size:14px;line-height:1.9}.feature-line{color:#527163;align-items:center;gap:12px;margin-top:12px;font-size:12px;display:flex}.feature-line svg{color:#7e9e7a}.scope-note{border-top:1px solid var(--line);align-items:center;gap:15px;margin-top:34px;padding-top:23px;display:flex}.scope-note>span{color:#afbdab;font-family:Georgia,serif;font-size:30px;font-style:italic}.scope-note p{color:var(--muted);font-size:10px}.scope-note strong{color:var(--ink);margin-top:3px;font-size:12px;display:block}.auth-card{background:var(--paper);border:1px solid var(--line);border-radius:19px;padding:32px 34px;box-shadow:0 15px 50px #23422905}.auth-icon,.aside-icon{background:var(--soft);width:43px;height:43px;color:var(--green);border-radius:12px;place-items:center;margin-bottom:18px;display:grid}.auth-card h2{letter-spacing:-.65px;font-size:23px;font-weight:600}.auth-card>.muted{max-width:320px;margin-top:9px;font-size:12px}.role-picker{border:1px solid var(--line);background:#f7f9f5;border-radius:9px;gap:5px;margin-top:25px;padding:5px;display:flex}.role-picker button{color:var(--muted);background:0 0;border-radius:6px;flex:1;justify-content:center;align-items:center;gap:7px;min-height:42px;padding:11px 4px;font-size:11px;line-height:1.4;display:flex}.role-picker button.active{color:var(--green);background:#fff;box-shadow:0 1px 4px #23422912}.role-description{min-height:123px;padding:23px 0 24px}.role-description strong{font-size:13px}.role-description p{color:var(--muted);margin-top:5px;font-size:12px;line-height:1.8}.auth-foot{color:var(--muted);justify-content:center;align-items:center;gap:7px;margin-top:20px;font-size:10px;display:flex}.auth-switch{justify-content:center;margin-top:9px;font-size:10px;display:flex}.stack-form{flex-direction:column;gap:17px;margin-top:23px;display:flex}.stack-form label{color:#5f7667;font-size:11px;font-weight:600;display:block}.stack-form input,.task-select select{width:100%;color:var(--ink);background:#fafbf8;border:1px solid #dce5d9;border-radius:7px;min-height:43px;margin-top:7px;padding:10px 12px;font-size:13px;display:block}.stack-form input::placeholder{color:#a0ad9b;font-size:12px;font-weight:400}.stack-form label small{color:var(--muted);margin-top:7px;font-size:10px;font-weight:400;display:block}.stack-form input.code-input{text-transform:uppercase;letter-spacing:1.3px}.stack-form input.code-input::placeholder{text-transform:none;letter-spacing:0}.page-heading{justify-content:space-between;align-items:center;gap:24px;padding:36px 0 27px;display:flex}.page-heading h1{letter-spacing:-1px;overflow-wrap:anywhere;max-width:850px;font-size:32px;font-weight:550}.intro{color:var(--muted);margin-top:9px;font-size:12px}.module-badge{text-align:right;flex-shrink:0}.module-badge span{color:var(--muted);letter-spacing:1.7px;font-size:8px;display:block}.module-badge strong{color:#9aab92;margin-top:3px;font-family:Georgia,serif;font-size:27px;font-style:italic;font-weight:400;display:block}.main-nav{border-bottom:1px solid var(--line);gap:27px;margin-bottom:25px;display:flex}.main-nav>button{color:var(--muted);white-space:nowrap;background:0 0;align-items:center;gap:9px;padding:14px 0 17px;font-size:12px;font-weight:550;display:flex;position:relative}.main-nav>button.active{color:var(--green)}.main-nav>button.active:after{content:"";background:var(--green);border-radius:2px;height:3px;position:absolute;bottom:-1px;left:0;right:0}.main-nav .refresh-button{margin-left:auto;padding-inline:8px}.stats-grid,.result-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin-bottom:24px;display:grid}.stat-card{border:1px solid var(--line);background:var(--paper);border-radius:12px;padding:19px 22px}.stat-card>div{color:#93a88a;justify-content:space-between;align-items:center;gap:10px;display:flex}.stat-card>div>span{color:var(--muted);font-size:11px}.stat-card>strong{letter-spacing:-1px;font-variant-numeric:tabular-nums;margin-top:12px;font-size:32px;font-weight:500;line-height:1.3;display:block}.stat-card>p{color:var(--muted);margin-top:5px;font-size:10px}.teacher-grid{grid-template-columns:minmax(0,1fr) 290px;align-items:start;gap:22px;display:grid}.card{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:24px}.card h2{letter-spacing:-.3px;font-size:16px;font-weight:600}.card h3{font-size:14px;font-weight:600}.card-title{justify-content:space-between;align-items:center;gap:12px;display:flex}.card-title>.muted{margin:0}.group-card{justify-content:space-between;align-items:center;gap:25px;margin-bottom:21px;display:flex}.group-card .eyebrow{margin-bottom:5px;font-size:8px}.group-card h2{font-size:20px}.group-card .muted{font-size:11px}.join-code{border-left:1px solid var(--line);padding-left:25px}.join-code small{letter-spacing:1.3px;color:var(--muted);font-size:8px}.join-code>div{align-items:center;gap:10px;margin-top:2px;display:flex}.join-code strong{letter-spacing:2px;-webkit-user-select:all;user-select:all;font-family:ui-monospace,monospace;font-size:21px;font-weight:550}.results-card{padding-bottom:9px}.results-card .card-title>.button{align-self:start}.task-select{align-items:center;gap:14px;margin-top:22px;padding-bottom:20px;display:flex}.task-select label{color:var(--muted);white-space:nowrap;font-size:10px}.task-select select{max-width:410px;min-height:37px;margin-top:0;padding-block:8px;font-size:11px}.table-wrap{margin:0 -24px;overflow-x:auto}.results-table{border-collapse:collapse;text-align:left;width:100%;font-size:11px}.results-table th{color:var(--muted);white-space:nowrap;background:#f7f9f5;padding:12px 14px;font-size:9px;font-weight:500}.results-table th:first-child,.results-table td:first-child{padding-left:24px}.results-table td{vertical-align:middle;border-top:1px solid #edf0e9;padding:18px 14px}.results-table th:last-child,.results-table td:last-child{padding-right:16px}.results-table td:first-child{min-width:150px}.results-table td strong{font-size:11px;display:block}.results-table td small{color:var(--muted);margin-top:4px;font-size:9px;display:block}.results-table td .positive{color:var(--green)}.baseline-score{white-space:nowrap;color:#4f783c;background:#edf4e8;border:1px solid #dfe9d6;border-radius:5px;padding:3px 7px;font-size:13px;font-weight:600}.topic-cell{color:#7c8d7a;min-width:130px;max-width:210px;font-size:10px;line-height:1.7;display:block}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:230px;padding:40px 20px;display:flex}.empty-state>span{color:#8da17e;background:#f1f5ed;border:1px solid #e5ebdf;border-radius:16px;place-items:center;width:54px;height:54px;margin-bottom:17px;display:grid}.empty-state h3{font-size:15px;font-weight:550}.empty-state p{color:var(--muted);max-width:330px;margin-top:9px;font-size:11px;line-height:1.8}.teacher-aside{gap:20px;display:grid}.teacher-aside .card{padding:23px}.teacher-aside .aside-icon{border-radius:9px;width:33px;height:33px;margin-bottom:14px}.teacher-aside .muted{margin-top:8px;font-size:11px}.teacher-aside .stack-form{gap:17px;margin-top:18px}.teacher-aside .stack-form input{font-size:12px}.teacher-aside .stack-form input::placeholder{font-size:11px}.topic-bars{margin-top:23px}.topic-bar{margin-bottom:17px}.topic-bar:last-child{margin-bottom:0}.topic-bar>div:first-child{color:#75866e;justify-content:space-between;align-items:center;gap:10px;font-size:10px;display:flex}.topic-bar strong{color:var(--muted);font-variant-numeric:tabular-nums;font-size:10px}.bar{background:#f0f3eb;border-radius:8px;height:5px;margin-top:8px;overflow:hidden}.bar>span{background:#d8a273;border-radius:8px;height:100%;display:block}.empty-small{color:#9baa92;border-top:1px solid var(--line);margin-top:16px;padding-top:16px;font-size:11px;line-height:1.8}.test-card{color:#8a9c7d;padding:6px 9px}.test-card>svg{margin-bottom:10px}.test-card h3{color:#6c8460;font-size:13px;font-weight:600}.test-card p{color:var(--muted);margin:8px 0 10px;font-size:11px;line-height:1.8}.test-card small{color:var(--muted);margin-top:6px;font-size:9px;display:block}.student-detail{margin-top:21px}.student-detail h3{margin:25px 0 12px;font-size:12px}.comparison{border-bottom:1px solid var(--line);gap:45px;padding:22px 0;display:flex}.comparison small{letter-spacing:1px;color:var(--muted);font-size:8px}.comparison strong{align-items:center;gap:10px;margin-top:5px;font-size:27px;font-weight:500;display:flex}.comparison p{color:var(--muted);margin-top:4px;font-size:9px}.topic-review{border-top:1px solid #edf0e9;justify-content:space-between;align-items:center;gap:20px;padding:11px 0;font-size:11px;display:flex}.status-ok,.status-warn{white-space:nowrap;border-radius:20px;padding:3px 8px;font-size:9px}.status-ok{color:#5a8243;background:#eff6e9}.status-warn{color:#a2794c;background:#fcf2e8}.test-banner{color:#8c8052;background:#faf8e9;border:1px solid #e2dfc5;border-radius:10px;align-items:center;gap:13px;margin-bottom:23px;padding:16px 20px;display:flex}.test-banner strong{font-size:11px}.test-banner p{color:#9a9278;margin-top:3px;font-size:10px;line-height:1.8}.test-banner>.button{flex-shrink:0;margin-left:auto;font-size:10px}.student-grid{grid-template-columns:minmax(0,1fr) 285px;align-items:start;gap:25px;display:grid}.section-heading{justify-content:space-between;align-items:center;gap:12px;margin:1px 0 17px;display:flex}.section-heading h2{font-size:16px;font-weight:550}.section-heading>span{color:var(--muted);font-size:10px}.assignment-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.assignment{padding:22px}.assignment-top{justify-content:space-between;align-items:center;gap:8px;margin-bottom:22px;display:flex}.assignment-icon{background:var(--soft);color:#6d9260;border-radius:10px;place-items:center;width:37px;height:37px;display:grid}.tag{color:#8d9b7d;background:#f8faf3;border:1px solid #e4e9dc;border-radius:20px;align-items:center;padding:4px 9px;font-size:9px;line-height:1.5;display:inline-flex}.tag-done{color:#698b50;background:#edf5e7;border-color:#dce8d2}.assignment .small-label{letter-spacing:.5px;margin-bottom:7px;font-size:8px}.assignment h3{overflow-wrap:anywhere;font-size:17px;font-weight:550;line-height:1.5}.assignment>.muted{font-size:10px}.assignment-scores{border-block:1px solid #edf1e7;gap:30px;margin-top:20px;padding:15px 0;display:flex}.assignment-scores small{color:var(--muted);align-items:center;gap:5px;font-size:9px;display:flex}.assignment-scores strong{margin-top:3px;font-size:24px;font-weight:500;display:block}.weak-summary{color:#8e9c80;margin-top:12px;font-size:10px;line-height:1.8}.assignment-actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;display:flex}.assignment-actions .button{font-size:11px}.assignment-actions .subtle{font-size:10px}.saved-card p{color:var(--muted);margin:11px 0 20px;font-size:11px;line-height:1.9}.saved-line{color:#7f9770;align-items:center;gap:8px;margin-top:11px;font-size:10px;display:flex}.join-form{margin-top:21px}.join-form h3{font-size:13px}.join-form .stack-form{margin-top:17px}.back-link{margin-bottom:18px}.quiz-grid{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:25px;display:grid}.question-card{padding:29px}.question-meta{color:var(--muted);letter-spacing:.7px;justify-content:space-between;align-items:center;gap:12px;font-size:10px;display:flex}.question-meta .tag{letter-spacing:0}.progress{background:#eef3e9;border-radius:8px;height:4px;margin-top:20px;overflow:hidden}.progress>span{background:#7f9f68;height:100%;transition:width .2s;display:block}.question-card h2{letter-spacing:-.3px;margin:30px 0 26px;font-size:24px;font-weight:500;line-height:1.6}.question-card h2:focus{outline:0}.options{border:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;padding:0;display:grid}.option{cursor:pointer;border:1px solid #dde5d8;border-radius:9px;align-items:center;gap:11px;min-height:64px;padding:17px;font-size:15px;display:flex}.option input{width:16px;height:16px;accent-color:var(--green);flex-shrink:0;margin:0}.option-letter{color:#98a78c;font-size:9px;font-weight:600}.option.selected{background:#f6f9ef;border-color:#89a86d}.option.correct{background:#f1f7e9;border-color:#98b87e}.option.incorrect{background:#fff5ed;border-color:#d4b197}.options:disabled .option{cursor:default}.answer-feedback{color:#5b8046;background:#f1f7e9;border:1px solid #d4e4c7;border-radius:9px;margin-top:22px;padding:17px 20px;font-size:12px;line-height:1.9}.answer-feedback.warning{color:#987245;background:#fdf5e9;border-color:#e8d8bd}.answer-feedback strong{margin-bottom:6px;font-size:12px;display:block}.answer-feedback p+p{margin-top:6px}.question-actions{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:14px;margin-top:28px;padding-top:22px;display:flex}.attempt-card>svg{color:#89a772;margin-bottom:16px}.attempt-card h3{font-size:14px}.attempt-card p{color:var(--muted);margin-top:10px;font-size:11px;line-height:1.9}.mini-progress{gap:7px;margin-top:22px;display:flex}.mini-progress button{color:#a2ae96;background:#fff;border:1px solid #dfe6d5;border-radius:7px;place-items:center;width:30px;height:30px;font-size:10px;display:grid}.mini-progress button.current{background:var(--ink);color:#fff;border-color:var(--ink)}.mini-progress button.done{color:#789c55;background:#edf5e4;border-color:#dce8ce}.mini-progress button.current.done{outline:1px solid var(--green)}.attempt-card>small{color:#91a180;margin-top:12px;font-size:9px;display:block}.aside-note{color:var(--muted);padding:16px 8px;font-size:10px;line-height:1.9}.result-hero{background:var(--ink);color:#fff;border-radius:14px;align-items:center;gap:29px;margin-bottom:22px;padding:30px 34px;display:flex}.result-number{letter-spacing:-3px;white-space:nowrap;font-size:63px;font-weight:400}.result-number span{color:#a5bba3;letter-spacing:0;margin-left:5px;font-size:24px}.result-hero .eyebrow{color:#aecb9a;font-size:8px}.result-hero h2{letter-spacing:-.5px;font-size:23px;font-weight:500}.result-hero p:not(.eyebrow){color:#adc2ad;max-width:650px;margin-top:9px;font-size:11px;line-height:1.8}.result-hero>svg{color:#638267;flex-shrink:0;margin-left:auto}.result-stats .stat-card>strong{font-size:29px}.two-columns{grid-template-columns:minmax(0,1fr) 290px;align-items:start;gap:23px;display:grid}.review-row{border-top:1px solid #edf1e7;padding:15px 0}.review-row:first-of-type{margin-top:16px}.review-row:last-child{padding-bottom:0}.review-row summary{cursor:pointer;align-items:center;gap:11px;list-style:none;display:flex}.review-row summary::-webkit-details-marker{display:none}.review-symbol{border-radius:50%;flex-shrink:0;place-items:center;width:25px;height:25px;display:grid}.review-symbol.ok{color:#7d9e5c;background:#f0f6e9}.review-symbol.wrong{color:#bc8b60;background:#fcf2e7}.review-row summary>span:nth-child(2){flex:1}.review-row summary strong{font-size:11px;display:block}.review-row summary small{color:var(--muted);margin-top:3px;font-size:10px;display:block}.review-row summary>svg{color:#aab6a0}.review-row[open] summary>svg{transform:rotate(90deg)}.review-row>p{color:var(--muted);margin:15px 0 0 36px;font-size:11px;line-height:1.9}.review-row>.solution{color:#6d8b56;margin-top:7px}.next-steps>p:not(.eyebrow){color:var(--muted);margin:12px 0;font-size:11px;line-height:1.8}.next-steps h2{margin-bottom:12px}.next-steps ul{color:#8c9d79;margin:0 0 23px;padding-left:16px;font-size:11px;line-height:1.9}.next-steps .button+.button{margin-top:11px}.guide-intro{color:var(--muted);align-items:center;gap:13px;padding-bottom:24px;font-size:12px;display:flex}.guide-intro>svg{color:#89a372;flex-shrink:0}.graph-layout{grid-template-columns:minmax(0,1fr) 305px;align-items:start;gap:22px;display:grid}.graph-card{padding:24px 28px 18px}.graph-card .equation{margin-top:4px;font-family:Georgia,serif;font-size:30px;font-weight:400}.graph-card svg{width:100%;height:400px;display:block}.graph-card svg text{fill:#8e9e83;font-family:inherit;font-size:10px}.graph-caption{color:var(--muted);align-items:center;gap:7px;font-size:10px;display:flex}.graph-caption>span{background:var(--green);border-radius:50%;width:7px;height:7px}.graph-controls label{color:var(--muted);margin-top:27px;font-size:11px;display:block}.graph-controls label strong{float:right;color:var(--green);font-size:13px}.graph-controls input{width:100%;accent-color:var(--green);cursor:pointer;margin:15px 0 0;display:block}.graph-controls>p{color:var(--muted);margin-top:9px;font-size:10px}.graph-values{margin:27px 0}.graph-values table{border-collapse:collapse;text-align:center;width:100%;font-size:12px}.graph-values th,.graph-values td{border-bottom:1px solid var(--line);padding:8px}.graph-values th{color:var(--muted);font-weight:400}.site-footer{border-top:1px solid var(--line);color:#93a08a;justify-content:space-between;align-items:center;gap:14px;margin-top:38px;padding:20px 0 26px;font-size:9px;display:flex}.site-footer strong{color:#6d8360;font-weight:600}@media (min-width:1400px){.welcome{gap:130px;min-height:calc(100vh - 170px);padding-inline:35px}}@media (max-width:1050px){.welcome{gap:55px;padding-inline:0}.teacher-grid{grid-template-columns:minmax(0,1fr) 270px;gap:18px}.group-card{padding:21px}.join-code{padding-left:18px}.join-code strong{letter-spacing:1px;font-size:18px}.card{padding:21px}.table-wrap{margin-inline:-21px}.assignment-list{grid-template-columns:1fr}.student-grid{grid-template-columns:minmax(0,1fr) 275px}.two-columns{grid-template-columns:minmax(0,1fr) 265px}.quiz-grid{grid-template-columns:minmax(0,1fr) 250px;gap:18px}}@media (max-width:800px){.shell{width:calc(100% - 40px)}.header-inner{height:70px}.header-subtitle{display:none}.welcome{gap:35px;min-height:calc(100vh - 150px);padding:44px 0}.welcome-copy h1{letter-spacing:-1.5px;font-size:35px}.welcome-copy>.eyebrow{letter-spacing:1.2px;font-size:8px}.lead{font-size:12px}.feature-line{gap:9px;font-size:10px}.auth-card{padding:27px 23px}.auth-card h2{font-size:21px}.role-picker button{gap:5px;font-size:10px}.role-picker button svg{display:none}.teacher-grid,.student-grid,.two-columns{grid-template-columns:1fr}.teacher-aside{grid-template-columns:1fr 1fr;gap:18px}.test-card{grid-column:1/-1}.student-grid>aside{grid-template-columns:1fr 1fr;align-items:start;gap:18px;display:grid}.join-form{margin-top:0}.assignment-list{grid-template-columns:1fr 1fr}.quiz-grid{grid-template-columns:1fr}.quiz-grid>aside{grid-template-columns:1fr 1fr;align-items:start;gap:20px;display:grid}.attempt-card{padding:20px}.aside-note{padding-top:4px}.page-heading h1{font-size:28px}.module-badge strong{font-size:23px}.stat-card{padding:17px 18px}.stat-card>div>span{font-size:10px}.stat-card>strong{font-size:30px}.stat-card>p{font-size:9px}.stats-grid,.result-stats{gap:13px}.result-hero{gap:23px;padding:25px}.result-hero>svg{display:none}.result-hero h2{font-size:22px}.graph-layout{grid-template-columns:minmax(0,1fr) 255px;gap:18px}.graph-card svg{height:330px}.graph-card{padding-inline:20px}.main-nav{gap:22px}.main-nav>button{font-size:11px}.main-nav>button svg{width:15px}}@media (max-width:600px){.shell{width:calc(100% - 28px)}.brand{gap:8px;font-size:21px}.brand>span:last-child{margin-left:-8px}.brand-mark{width:31px;height:31px;font-size:20px}.prototype-tag{letter-spacing:.6px;margin-left:auto;padding:4px 6px;font-size:7px}.header-inner{gap:10px;height:66px}.account{gap:7px}.account .avatar{display:none}.account strong{max-width:110px;font-size:10px}.account small{font-size:8px}.account .icon-link{min-width:27px;margin-left:0;padding-inline:4px}.account+.prototype-tag{display:none}.header-inner:has(.account)>.prototype-tag{display:none}.welcome{grid-template-columns:1fr;gap:28px;padding:30px 0 10px}.welcome-copy{padding:0 5px}.welcome-copy>.eyebrow{margin-bottom:16px;font-size:8px}.welcome-copy h1{letter-spacing:-1.3px;font-size:35px;line-height:1.16}.welcome-copy h1 br:last-child{display:none}.welcome-copy .lead{max-width:440px;margin:15px 0 20px;font-size:12px}.feature-line{gap:9px;margin-top:9px;font-size:11px}.feature-line svg{width:16px}.scope-note{gap:12px;margin-top:22px;padding-top:15px}.scope-note>span{font-size:24px}.scope-note strong{font-size:11px}.auth-card{border-radius:15px;padding:24px}.auth-icon{border-radius:10px;width:35px;height:35px;margin-bottom:15px}.auth-card h2{font-size:21px}.auth-card>.muted{font-size:11px}.role-picker{margin-top:20px}.role-picker button{font-size:11px}.role-picker button svg{width:15px;display:block}.role-description{min-height:0;padding-block:20px}.stack-form input{font-size:16px}.stack-form input::placeholder{font-size:12px}.page-heading{padding:27px 0 20px}.page-heading h1{letter-spacing:-.7px;font-size:26px}.page-heading .eyebrow{letter-spacing:1.3px;font-size:8px}.intro{margin-top:8px;font-size:11px}.module-badge{display:none}.main-nav{gap:17px;margin-bottom:20px}.main-nav>button{gap:5px;padding-bottom:15px;font-size:10px}.main-nav>button svg{width:14px}.main-nav .refresh-button{display:none}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:17px}.stat-card{border-radius:10px;min-width:0;padding:14px 11px}.stat-card>div>span{font-size:9px;line-height:1.6}.stat-card>div>svg{display:none}.stat-card>strong{margin-top:9px;font-size:27px}.stat-card>p{margin-top:7px;font-size:8px;line-height:1.6}.card{border-radius:11px;padding:20px}.group-card{margin-bottom:17px;display:block}.group-card h2{font-size:19px}.group-card .muted{font-size:10px}.join-code{border-left:0;border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;margin-top:17px;padding-top:15px;padding-left:0;display:flex}.join-code strong{letter-spacing:2px;font-size:20px}.join-code small{font-size:8px}.join-code>div{gap:8px;margin:0}.card h2{font-size:15px}.card-title .muted{font-size:10px}.results-card{padding-bottom:5px}.task-select{margin-top:18px;padding-bottom:17px;display:block}.task-select label{margin-bottom:7px;font-size:9px;display:block}.task-select select{max-width:100%;font-size:12px}.table-wrap{margin-inline:-20px}.results-table{min-width:530px}.results-table td:first-child,.results-table th:first-child{padding-left:20px}.empty-state{min-height:230px;padding-inline:10px}.empty-state h3{font-size:14px}.empty-state p{font-size:10px}.teacher-aside{grid-template-columns:1fr;gap:17px}.teacher-aside .card{padding:21px}.teacher-aside .stack-form input{font-size:16px}.teacher-aside .stack-form input::placeholder{font-size:12px}.test-card{padding:5px 6px}.topic-review{gap:12px;font-size:10px}.student-detail h3{font-size:11px}.comparison{gap:34px}.test-banner{flex-wrap:wrap;align-items:flex-start;gap:10px;padding:15px}.test-banner>svg{flex-shrink:0;width:17px}.test-banner>div{flex:1;min-width:170px}.test-banner strong{font-size:10px}.test-banner p{font-size:9px}.test-banner>.button{margin:3px 0 0 27px}.student-grid>aside{grid-template-columns:1fr}.assignment-list{grid-template-columns:1fr;gap:16px}.section-heading h2{font-size:15px}.section-heading>span{font-size:9px}.assignment{padding:21px}.assignment h3{font-size:18px}.assignment .small-label{font-size:8px}.assignment>.muted{font-size:11px}.assignment-scores{gap:43px}.assignment-scores strong{font-size:27px}.assignment-scores small{font-size:10px}.assignment .tag{font-size:9px}.weak-summary{font-size:11px}.assignment-actions{justify-content:space-between}.assignment-actions .button{min-height:45px;font-size:11px}.saved-card p{font-size:11px}.saved-line{font-size:10px}.question-card{padding:21px 17px}.question-meta{letter-spacing:.2px;font-size:9px}.question-meta .tag{max-width:190px;font-size:8px}.question-card h2{margin:26px 0 22px;font-size:21px;line-height:1.6}.options{grid-template-columns:1fr;gap:10px}.option{min-height:58px;padding:15px;font-size:15px}.question-actions{gap:10px;margin-top:24px;padding-top:19px}.question-actions .button{padding-inline:12px;font-size:10px}.question-actions .subtle{padding-inline:0}.question-actions .primary{flex:1;max-width:200px}.quiz-grid>aside{display:block}.aside-note{padding:13px 5px}.answer-feedback{padding:15px;font-size:11px}.answer-feedback strong{font-size:11px}.mini-progress button{width:35px;height:35px}.result-hero{border-radius:12px;flex-direction:column;align-items:flex-start;gap:15px;padding:23px}.result-number{letter-spacing:-2px;font-size:48px;line-height:1}.result-number span{font-size:21px}.result-hero h2{font-size:22px}.result-hero p:not(.eyebrow){font-size:10px}.result-stats{gap:8px;margin-bottom:19px}.result-stats .stat-card>strong{font-size:25px}.review-row summary strong{font-size:11px}.review-row summary small{font-size:9px}.review-row>p{margin-left:0;font-size:10px}.next-steps ul{font-size:11px}.graph-layout{grid-template-columns:1fr}.graph-card{padding:20px 14px 15px}.graph-card svg{height:310px}.guide-intro{gap:10px;font-size:11px}.graph-controls label{font-size:12px}.graph-controls>p{font-size:11px}.graph-controls input{height:22px}.graph-controls .fineprint{font-size:10px}.site-footer{flex-direction:column;align-items:flex-start;gap:5px;margin-top:29px;padding-top:17px;font-size:8px}.button{min-height:44px}}@media (max-width:350px){.main-nav{gap:12px}.main-nav>button{gap:4px;font-size:9px}.main-nav>button svg{width:12px}.main-nav .active:after{height:2px}.role-picker button{font-size:10px}.auth-card{padding:21px 18px}.join-code strong{letter-spacing:1px;font-size:18px}.page-heading h1,.stat-card>strong{font-size:24px}.stat-card>div>span{font-size:8px}.question-meta .tag{max-width:165px}.question-card h2{font-size:20px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.teacher-grid>div,.teacher-aside,.student-grid>section,.student-grid>aside,.quiz-grid>section,.quiz-grid>aside,.two-columns>section,.graph-layout>section,.card{min-width:0}@media (max-width:600px){.main-nav{gap:9px}.main-nav>button{white-space:normal;text-align:center;flex:1;justify-content:center;align-items:center;min-width:0;min-height:53px;line-height:1.5}.main-nav>button svg{flex-shrink:0}}.score-button{color:var(--green);background:0 0;border-bottom:1px dashed #b3c6a6;align-items:center;gap:7px;margin-top:3px;padding:0;font-size:24px;font-weight:500;line-height:1.5;display:inline-flex}.score-button:disabled{opacity:1;color:var(--ink);border:0}.group-card h2,.results-table td strong{overflow-wrap:anywhere}.module-badge strong.badge-topic{letter-spacing:-.4px;max-width:240px;font-family:inherit;font-size:17px;font-style:normal;font-weight:500}.stack-form select{width:100%;min-width:0;color:var(--ink);background:#fafbf8;border:1px solid #dce5d9;border-radius:7px;min-height:43px;margin-top:7px;padding:10px 9px;font-size:12px;display:block}.builder-eyebrow{align-items:center;gap:10px;margin-bottom:15px;display:flex}.builder-eyebrow .aside-icon{width:32px!important;height:32px!important;margin:0!important}.builder-eyebrow>span:last-child{letter-spacing:1.2px;color:#7a9673;font-size:8px;font-weight:650}.builder-card .stack-form{gap:15px;margin-top:21px}.builder-settings{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;display:grid}.builder-settings label{min-width:0}.builder-settings select{font-size:11px}.builder-card .stack-form input{font-size:12px}.generation-status{color:#97a58c;background:#f8faf5;border:1px dashed #d9e3d4;border-radius:8px;align-items:center;gap:10px;min-height:61px;padding:12px;font-size:10px;line-height:1.7;display:flex}.generation-status>svg{flex-shrink:0}.generation-status.is-ready{color:#6e8e50;background:#f0f6e9;border:1px solid #dbe8cd}.generation-status strong{font-size:11px;display:block}.generation-status small{color:#91a47d;margin-top:2px;font-size:9px;display:block}.builder-preview-actions{align-items:center;gap:9px;display:flex}.builder-preview-actions>.button{flex:1;font-size:10px}.builder-preview-actions>.icon-link{color:#8ea17b;background:#f6f9f1;border:1px solid #dfe7d7;min-width:39px;min-height:39px}.builder-error{color:#a56141;font-size:10px;line-height:1.8}.spinning{animation:.8s linear infinite spin}.builder-card .fineprint{font-size:9px!important}.mini-progress{flex-wrap:wrap}.selected-task-meta{color:#90a180;margin-top:-10px;margin-bottom:20px;font-size:9px}.topic-fraction{color:var(--muted);margin-top:3px;font-size:9px;display:block}.task-select select{flex:1;min-width:0;max-width:none}.task-select>.button{white-space:nowrap;flex-shrink:0}.question-preview-dialog{width:min(800px,100vw - 48px);max-width:none;max-height:calc(100dvh - 48px);color:var(--ink);background:#fff;border:1px solid #e0e7db;border-radius:18px;margin:auto;padding:0;overflow:hidden;box-shadow:0 30px 130px #15352e26}.question-preview-dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#15352e66}.dialog-content{flex-direction:column;height:min(850px,100dvh - 48px);display:flex}.preview-header{border-bottom:1px solid var(--line);background:#fff;flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:24px;padding:24px 30px 21px;display:flex}.preview-header .eyebrow{margin-bottom:7px;font-size:8px}.preview-header h2{letter-spacing:-.7px;overflow-wrap:anywhere;font-size:22px;font-weight:550;line-height:1.4}.preview-header p:not(.eyebrow){color:var(--muted);margin-top:6px;font-size:10px}.preview-header .icon-link{margin:-3px -7px 0 0}.preview-body{overscroll-behavior:contain;background:#f7f9f4;flex:1;min-height:0;padding:22px 30px;overflow-y:auto}.preview-note{color:#7b9265;background:#eff5e8;border:1px solid #e0e9d6;border-radius:8px;align-items:flex-start;gap:9px;margin-bottom:18px;padding:12px 14px;font-size:10px;line-height:1.8;display:flex}.preview-note>svg{flex-shrink:0;margin-top:2px}.preview-question{background:#fff;border:1px solid #e2e8dc;border-radius:11px;margin-bottom:15px;padding:21px 23px}.preview-question:last-child{margin-bottom:0}.preview-question-meta{align-items:center;gap:11px;margin-bottom:12px;display:flex}.preview-question-meta>span{color:#7d9669;background:#eff4e8;border-radius:6px;place-items:center;width:25px;height:25px;font-size:9px;display:grid}.preview-question-meta small{color:#8d9c80;font-size:9px}.preview-question h3{overflow-wrap:anywhere;letter-spacing:-.1px;font-size:16px;font-weight:500;line-height:1.8}.preview-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:17px;display:grid}.preview-options>div{color:#87987b;border:1px solid #e8ece2;border-radius:7px;align-items:center;gap:9px;min-width:0;padding:10px 12px;font-size:12px;display:flex}.preview-options>div>span{color:#a3af98;flex-shrink:0;font-size:8px;font-weight:600}.preview-options p{overflow-wrap:anywhere;flex:1}.preview-options>div.correct{color:#638647;background:#f1f7e9;border-color:#ccddbc}.preview-options>div.correct>svg{color:#6c9150;flex-shrink:0}.preview-solution{color:#90a080;border-top:1px solid #edf1e8;margin-top:17px;padding-top:10px;font-size:10px}.preview-solution summary{cursor:pointer;align-items:center;gap:7px;min-height:25px;list-style:none;display:inline-flex}.preview-solution summary::-webkit-details-marker{display:none}.preview-solution[open] summary svg{transform:rotate(180deg)}.preview-solution p{color:#74945c;padding-top:7px;font-size:11px;line-height:1.9}.preview-footer{border-top:1px solid var(--line);background:#fff;flex-shrink:0;padding:16px 30px 20px}.preview-footer>p{color:var(--muted);margin-bottom:13px;font-size:9px}.preview-footer>div{justify-content:flex-end;align-items:center;gap:12px;display:flex}.preview-footer .button{font-size:11px}.preview-loading{color:#8a9f77;flex-direction:column;justify-content:center;align-items:center;gap:17px;min-height:250px;font-size:12px;display:flex}@media (max-width:800px){.module-badge strong.badge-topic{font-size:15px}.teacher-aside .builder-card{grid-column:1/-1}.builder-card .stack-form{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px 24px;display:grid}.builder-card .stack-form>.button.primary{align-self:end}.generation-status{min-height:73px}.builder-card .fineprint{font-size:10px!important}.builder-card .stack-form input{font-size:13px}}@media (max-width:600px){.builder-card .stack-form{gap:17px;display:flex}.builder-card .stack-form input,.builder-card .stack-form select{font-size:16px}.builder-settings select{font-size:14px!important}.builder-eyebrow>span:last-child{font-size:8px}.generation-status{min-height:64px;font-size:11px}.generation-status strong{font-size:12px}.generation-status small{font-size:10px}.builder-preview-actions>.button{font-size:11px}.builder-preview-actions>.icon-link{min-width:44px;min-height:44px}.task-select>.button{margin-top:10px}.selected-task-meta{margin-top:-5px;margin-bottom:17px;font-size:9px}.question-preview-dialog{border-radius:13px;width:calc(100vw - 18px);max-height:calc(100dvh - 24px)}.dialog-content{height:calc(100dvh - 24px)}.preview-header{gap:12px;padding:20px 18px 17px}.preview-header h2{letter-spacing:-.4px;font-size:19px}.preview-header .eyebrow{letter-spacing:1px;font-size:7px}.preview-header p:not(.eyebrow){font-size:9px}.preview-body{padding:16px 13px}.preview-note{gap:8px;padding:11px;font-size:9px}.preview-note>svg{width:14px}.preview-question{margin-bottom:13px;padding:17px 14px}.preview-question h3{font-size:15px;line-height:1.8}.preview-question-meta small{font-size:9px}.preview-options{grid-template-columns:1fr;gap:7px;margin-top:15px}.preview-options>div{padding:10px 12px;font-size:13px}.preview-solution p{font-size:11px}.preview-footer{padding:14px 16px 17px}.preview-footer>p{margin-bottom:11px;font-size:8px;line-height:1.8}.preview-footer>div{gap:8px}.preview-footer .button{flex:1;padding:10px 9px;font-size:10px}.preview-footer .button>svg{width:13px}.preview-footer .button:only-child{flex:none;min-width:90px}.preview-header .icon-link{margin-top:-4px}.topic-fraction{font-size:8px}}.account form{margin:0;display:flex}.footer-links{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.footer-links a:hover,.prose a,.policy-links a{color:var(--green);text-underline-offset:3px;text-decoration:underline}.site-footer{flex-wrap:wrap;gap:14px}.page-header-link{margin-left:auto}.document-page{max-width:1000px;padding-top:28px}.document-narrow{max-width:560px}.document-heading{margin:30px 0}.document-heading h1{letter-spacing:-1.3px;margin-top:10px;font-size:38px}.document-heading>p:not(.eyebrow){max-width:700px;color:var(--muted);margin-top:13px;font-size:15px;line-height:1.8}.standalone-auth{padding:32px}.standalone-auth h2{margin:18px 0 10px;font-size:24px}.standalone-auth>.muted{font-size:14px;line-height:1.8}.standalone-auth .role-picker{margin-top:24px}.standalone-auth .role-description p{font-size:13px}.standalone-auth .auth-foot{margin-top:20px;font-size:12px}.standalone-auth .alert,.standalone-auth .notice{margin:20px 0 0;font-size:13px;line-height:1.8}.policy-links{color:var(--muted);margin-top:18px;font-size:12px;line-height:1.9}.login-service-note{color:var(--muted);margin-top:13px;font-size:13px;line-height:1.8}.login-service-note+.button{margin-top:15px}.is-starting{pointer-events:none;opacity:.7}.help-paths{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-bottom:24px;display:grid}.help-path>svg,.help-icon-pair{color:var(--green)}.help-icon-pair{align-items:center;gap:9px;display:flex}.help-path h2{margin-top:15px;font-size:22px}.help-path ol{color:var(--muted);margin:17px 0 22px;padding-left:22px;font-size:14px;line-height:1.9}.help-path li+li{margin-top:8px}.help-path .text-link{font-size:13px}.faq-card{padding:30px}.faq-item{border-bottom:1px solid var(--line);padding:18px 0}.faq-item:last-child{border-bottom:0;padding-bottom:0}.faq-item summary{cursor:pointer;min-height:32px;padding-right:8px;font-size:15px;font-weight:600;line-height:1.8}.faq-item p{color:var(--muted);padding-top:12px;font-size:14px;line-height:1.95}.help-contact{background:var(--soft);align-items:flex-start;gap:18px;margin-top:24px;display:flex}.help-contact>svg{color:var(--green);flex-shrink:0;margin-top:3px}.help-contact h2{font-size:20px}.help-contact p{color:var(--muted);margin-top:9px;font-size:14px;line-height:1.9}.help-contact .text-link{margin-top:13px;font-size:13px}.prose{padding:36px 40px}.prose .document-date{color:var(--muted);margin-bottom:28px;font-size:12px}.prose h2{letter-spacing:-.4px;margin:30px 0 11px;font-size:22px;line-height:1.5}.prose p{color:var(--muted);font-size:15px;line-height:1.95}.prose p+p{margin-top:13px}.system-card{text-align:center;flex-direction:column;align-items:center;gap:19px;padding:45px 30px;display:flex}.system-card>svg{color:var(--green)}.system-card h2{font-size:25px;line-height:1.5}.system-card p{color:var(--muted);font-size:14px;line-height:1.9}.system-card .text-link{font-size:13px}.session-link{white-space:nowrap;margin-left:12px;font-size:12px;text-decoration:underline}.alert{flex-wrap:wrap}.alert>span{overflow-wrap:anywhere;flex:1;min-width:0}@media (max-width:600px){.document-page{padding-top:17px}.document-heading{margin:22px 0}.document-heading h1{letter-spacing:-.9px;overflow-wrap:anywhere;font-size:29px}.document-heading>p:not(.eyebrow){font-size:14px}.page-header-link{text-align:right;max-width:95px;font-size:11px;line-height:1.6}.document-narrow{width:calc(100% - 30px)}.standalone-auth{padding:24px 19px}.standalone-auth h2{font-size:22px}.standalone-auth .role-picker button{min-height:45px;font-size:12px}.standalone-auth>.muted,.standalone-auth .button{font-size:13px}.help-paths{grid-template-columns:1fr;gap:17px}.help-path{padding:24px}.help-path h2{font-size:21px}.help-path ol{font-size:14px}.faq-card{padding:23px 20px}.faq-item summary{font-size:14px}.faq-item p{font-size:13px}.help-contact{gap:12px;padding:22px}.help-contact h2{font-size:18px}.help-contact p{font-size:13px}.prose{padding:25px 21px}.prose h2{margin-top:26px;font-size:20px}.prose p{font-size:14px;line-height:1.95}.prose .document-date{font-size:11px}.footer-links{gap:18px;min-height:34px;font-size:11px}.system-card{padding:33px 21px}.system-card h2{font-size:22px}.session-link{margin-left:0}.site-header .prototype-tag{display:none}}