.practice-history-section{color:#111;margin-bottom:38px}.practice-history-section>h2{letter-spacing:-.2px;margin-bottom:20px;font-size:17px;font-weight:500}.practice-session-list{border-top:1px solid #e5e5e5;margin:0;padding:0;list-style:none}.practice-session-row{border-bottom:1px solid #e5e5e5;grid-template-columns:minmax(0,1fr) auto 18px;align-items:center;gap:24px;padding:24px 4px;display:grid}.practice-session-row:hover{background:#fafafa}.practice-session-summary{min-width:0}.practice-session-summary strong{overflow-wrap:anywhere;font-size:15px;font-weight:500;line-height:1.6;display:block}.practice-session-summary>span{color:#666;margin-top:5px;font-size:12px;line-height:1.6;display:block}.practice-session-row time{color:#666;font-size:12px;line-height:1.6}.practice-history-empty{color:#666;padding:22px 0;font-size:14px}.practice-history-more{margin-top:22px}.practice-history-review{color:#111;max-width:880px;margin:0 auto}.practice-history-review>.back-link{align-items:center;gap:8px;margin-bottom:26px;display:inline-flex}.practice-history-review-header{margin-bottom:36px}.practice-history-review-header h1{font-size:29px;font-weight:500}.practice-history-scope{color:#444;overflow-wrap:anywhere;margin-top:12px;font-size:15px}.practice-history-meta{color:#777;flex-wrap:wrap;gap:6px 20px;margin-top:10px;font-size:12px;display:flex}.practice-history-question{background:#fff;border:1px solid #e2e2e2;border-radius:10px;min-width:0;margin-bottom:28px;padding:30px}.practice-history-question>header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.practice-history-question h2{letter-spacing:0;font-size:15px;font-weight:500}.practice-history-result{background:#f4f4f4;border-radius:5px;padding:5px 9px;font-size:12px}.practice-history-result.is-correct{color:#3e5b32;background:#f0f5eb}.practice-history-result.is-incorrect{color:#7c4933;background:#fbf1e9}.practice-history-prompt{white-space:pre-wrap;overflow-wrap:anywhere;font-size:18px;line-height:1.8}.practice-history-review .practice-source{background:0 0;border:0;width:100%;min-width:0;display:block}.practice-history-choices{gap:10px;margin:24px 0;padding:0;list-style:none;display:grid}.practice-history-choices>li{border:1px solid #e3e3e3;border-radius:7px;align-items:center;gap:14px;padding:14px 16px;font-size:15px;display:flex}.practice-history-choices>li.is-selected{background:#f5f8f1;border-color:#718567}.practice-history-choices>li>div{flex:1;min-width:0}.practice-history-choice-id{border:1px solid #ddd;border-radius:50%;flex-shrink:0;place-items:center;width:26px;height:26px;font-size:11px;display:grid}.practice-history-answer{flex-wrap:wrap;gap:8px 22px;margin-top:24px;font-size:14px;line-height:1.7;display:flex}.practice-history-answer>span:last-child:not(:has(strong)){color:#666;font-size:12px}.practice-history-explanation,.practice-history-help{overflow-wrap:anywhere;border-top:1px solid #e8e8e8;margin-top:24px;padding-top:22px;font-size:14px;line-height:1.8}.practice-history-question h3{letter-spacing:0;margin-bottom:14px;font-size:13px;font-weight:600}.practice-history-help>p{white-space:pre-wrap}.practice-history-diagram{object-fit:contain;width:100%;height:auto;max-height:400px;margin:0 auto 18px;display:block}@media (width<=760px){.practice-session-row{grid-template-columns:minmax(0,1fr) 18px;gap:8px 16px;padding:20px 0}.practice-session-row>svg{grid-area:1/2/3}.practice-session-row time{grid-column:1}.practice-session-summary strong{font-size:14px}.practice-history-review-header h1{font-size:25px}.practice-history-question{padding:20px 16px}.practice-history-choices>li{gap:10px;padding:12px}}.payments-page .panel+.panel{margin-top:24px}.payments-page article+article{border-top:1px solid var(--line)}.payment-actions{flex-direction:column;align-items:flex-start;gap:20px;display:flex}.payment-actions .form-stack{width:100%;max-width:420px}.settings-page{max-width:960px;color:var(--ink)}.settings-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px;display:flex}.settings-navigation{border-bottom:1px solid var(--line);gap:28px;margin-bottom:8px;display:flex}.settings-navigation a{color:var(--muted);border-bottom:2px solid #0000;margin-bottom:-1px;padding:0 1px 14px;font-size:14px}.settings-navigation a.active{color:var(--ink);border-bottom-color:var(--ink)}.settings-section{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:42px;padding:32px 0;display:grid}.settings-section+.settings-section{border-top:1px solid var(--line)}.settings-section h2,.settings-payment-heading h2{letter-spacing:-.2px;font-size:18px;font-weight:550;line-height:1.4}.settings-section-intro p{color:var(--muted);max-width:260px;margin-top:10px;font-size:13px;line-height:1.7}.settings-current-email{overflow-wrap:anywhere}.settings-form{flex-direction:column;align-items:stretch;gap:18px;min-width:0;max-width:460px;display:flex}.settings-description{color:var(--muted);font-size:13px;line-height:1.7}.settings-form .field>span{color:var(--ink);font-size:13px;font-weight:400}.settings-form .field small{color:var(--muted);font-size:12px}.settings-form input{background:var(--surface);color:var(--ink);border-color:var(--line);font-size:15px}.settings-form>.button{align-self:flex-start}.settings-form .notice{margin:0}.settings-form-actions{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.settings-form-actions a{color:var(--muted);font-size:13px}.settings-form-actions a:hover{text-decoration:underline}.account-settings>.notice{margin-top:24px}.settings-payment-heading{justify-content:space-between;align-items:center;gap:24px;margin:28px 0;display:flex}.settings-payment-heading p{color:var(--muted);max-width:560px;margin-top:9px;font-size:13px;line-height:1.7}.settings-page .payments-page{min-width:0}.settings-page .payment-actions{margin-top:18px}.settings-page .payment-actions p,.settings-page .payments-page article p{overflow-wrap:anywhere}.settings-page .payments-page .panel{min-width:0}.settings-page .payments-page .panel-heading h3{font-size:16px;font-weight:550}@media (width<=760px){.settings-heading{margin-bottom:24px}.settings-section{grid-template-columns:minmax(0,1fr);gap:23px;padding:28px 0}.settings-section-intro p,.settings-form{max-width:none}.settings-form input{font-size:16px}.settings-payment-heading{flex-direction:column;align-items:flex-start;gap:16px}.settings-page .payments-page .table-scroll{max-width:100%}}.app-shell.practice-shell{color:#111;background:#f6f6f4;height:100dvh;min-height:0;display:block;overflow:hidden}.practice-shell>.sidebar,.practice-shell>.sidebar-backdrop,.app-shell.practice-shell .topbar{display:none}.practice-shell .main-shell{height:100%;min-height:0;margin-left:0;display:block}.app-shell.practice-shell .page-content{max-width:none;height:100%;padding:20px 32px 28px}.practice-page{flex-direction:column;gap:20px;max-width:1480px;height:100%;min-height:0;margin:0 auto;display:flex}.practice-page-header{flex-shrink:0;align-items:center;gap:22px;min-height:42px;display:flex}.practice-back-link{color:#60635f;flex-shrink:0;align-items:center;gap:10px;max-width:230px;font-size:13px;display:inline-flex}.practice-back-link span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.practice-back-link:hover{color:#111}.practice-enrollment-link{color:#222;text-underline-offset:3px;align-items:center;gap:10px;margin-top:14px;text-decoration:underline;display:inline-flex}.practice-workspace{background:#fff;border:1px solid #dddfd8;border-radius:12px;flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden;box-shadow:0 4px 18px #20281804}.practice-panels{flex:1;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);min-height:0;display:grid}.practice-problem,.practice-answers,.practice-help{flex-direction:column;min-width:0;height:100%;min-height:0;display:flex}.practice-right-pane{border-left:1px solid #e5e6e1;min-width:0;min-height:0}.practice-workspace [hidden]{display:none}.practice-panel-heading{border-bottom:1px solid #eeefeb;flex-shrink:0;align-items:center;gap:16px;min-height:57px;padding:14px 30px;display:flex}.practice-panel-heading h2{color:#111;letter-spacing:0;font-size:13px;font-weight:600;line-height:1.5}.practice-panel-heading>span{color:#90938b;margin-left:auto;font-size:11px}.practice-panel-heading h2:focus{outline:none}.practice-question-scroll,.practice-answer-scroll{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#d6d8d0 transparent;flex:1;min-height:0;padding:36px;overflow:auto}.practice-question-scroll:focus-visible,.practice-answer-scroll:focus-visible,.practice-help-display:focus-visible{outline-offset:-3px;outline:2px solid #888}.practice-question-prompt{white-space:pre-wrap;overflow-wrap:anywhere;font-size:18px;line-height:1.8}.practice-source{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:0 0;border:0;width:100%;min-width:0;display:block}.practice-choice-content{flex:1;min-width:0;display:block}.practice-source-choice{pointer-events:none}.practice-source-pending{color:#777;font-size:12px}.practice-source-error{color:#7c4933;font-size:12px}.practice-source-error button{color:inherit;background:0 0;border:0;padding:0;text-decoration:underline}.practice-answer-form{margin:0}.practice-numeric-answer{flex-direction:column;align-items:flex-start;gap:13px;display:flex}.practice-numeric-answer input{color:#111;background:#fff;border:1px solid #cccec6;border-radius:7px;width:100%;max-width:320px;min-height:54px;font-size:18px}.practice-numeric-answer input::placeholder{color:#a0a396;font-size:15px}.practice-numeric-answer small{color:#818579;font-size:12px}.practice-numeric-answer input:disabled{color:#555;background:#f7f7f7}.practice-choices{border:0;grid-template-columns:minmax(0,1fr);gap:14px;min-width:0;margin:0;padding:0;display:grid}.practice-choice{cursor:pointer;overflow-wrap:anywhere;background:#fff;border:1px solid #dfe1da;border-radius:8px;align-items:center;gap:16px;min-width:0;min-height:64px;padding:17px 18px;font-size:16px;line-height:1.6;display:flex;position:relative}.practice-choice:hover{background:#fafbf8;border-color:#9ea694}.practice-choice.is-selected{background:#f4f7ef;border-color:#4e6741;box-shadow:inset 0 0 0 1px #4e6741}.practice-choice input{opacity:0;width:1px;height:1px;min-height:0;padding:0;position:absolute}.practice-choice:has(input:focus-visible){outline-offset:3px;outline:2px solid #4e6741}.practice-choice-id{color:#6a705f;text-transform:uppercase;border:1px solid #d8dcd0;border-radius:50%;flex-shrink:0;place-items:center;width:28px;height:28px;font-size:12px;display:grid}.is-selected .practice-choice-id{color:#fff;background:#4e6741;border-color:#4e6741}.practice-choices:disabled .practice-choice{cursor:default}.practice-button{border:1px solid #22271e;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;gap:10px;min-height:43px;padding:10px 18px;font-size:13px;line-height:1.5;display:inline-flex}.practice-button-primary{color:#fff;background:#22271e;min-width:114px}.practice-button-primary:hover:not(:disabled){background:#3b4632}.practice-button-secondary{color:#333a2c;background:#fff;border-color:#d5d9ce}.practice-button-secondary:hover:not(:disabled){background:#f6f8f2;border-color:#a0aa91}.practice-footer{background:#fcfcfa;border-top:1px solid #e5e6e1;flex-shrink:0;align-items:center;gap:20px;min-height:77px;padding:16px 24px;display:flex}.practice-help-toggle{color:#6c4d0e;background:#fff2cf;border-color:#d8b76b;font-weight:600}.practice-help-toggle:hover,.practice-help-toggle.is-open{color:#553903;background:#ffe7a6;border-color:#bd943f}.practice-footer-status{color:#8a8e82;flex:1;min-width:0;font-size:12px}.practice-footer-status h3{color:#3b5631;letter-spacing:0;align-items:center;gap:8px;font-size:14px;font-weight:500;display:flex}.practice-result{border-bottom:1px solid #e7e9e0;margin-bottom:24px;padding-bottom:22px}.practice-result h3{letter-spacing:0;font-size:13px;font-weight:600}.practice-correct-answer{margin-top:10px;font-size:14px}.practice-result-explanation{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:12px;font-size:14px;line-height:1.8}.practice-assisted{color:#888;margin-top:12px;font-size:11px}.practice-help-display{overscroll-behavior:contain;scrollbar-width:thin;background:#fff;border:1px solid #e8eae3;border-radius:8px;flex:1;min-height:0;margin:20px 24px 12px;padding:20px;overflow:auto}.practice-help-empty{text-align:center;color:#a1a795;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:100%;display:flex}.practice-help-empty p{color:#6b7461;font-size:14px}.practice-help-empty span{max-width:235px;font-size:12px;line-height:1.6}.practice-help-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.8}.practice-tutor-diagram{object-fit:contain;width:100%;height:auto;max-height:300px;margin:0 auto 20px;display:block}.practice-help-form{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:10px;margin:0 24px 20px;display:flex}.practice-help-form>textarea{resize:none;color:#111;background:#fcfdfa;border:1px solid #d8dcd0;border-radius:7px;height:75px;min-height:0;font-size:13px}.practice-help-form>textarea::placeholder{color:#929a87}.practice-page input:focus,.practice-page textarea:focus{outline-offset:2px;border-color:#777;outline:2px solid #dedede}.practice-page a:focus-visible,.practice-page button:focus-visible{outline-offset:3px;outline:2px solid #555}.practice-error{color:#7c4933;background:#fffbf6;border-top:1px solid #eaded1;flex-shrink:0;padding:12px 20px;font-size:12px;line-height:1.6}.practice-error p{display:inline}.practice-error button,.practice-error a{color:inherit;text-underline-offset:3px;background:0 0;border:0;margin-left:8px;padding:0;font-size:12px;text-decoration:underline;display:inline-block}.practice-help>.practice-error{border:1px solid #eaded1;border-radius:5px;margin:0 24px 12px;padding:8px 10px}.practice-question-state{background:#fff;border:1px solid #dddfd8;border-radius:12px;flex:1;place-items:center;min-height:0;display:grid}.practice-question-state>p{color:#777;align-items:center;gap:12px;font-size:13px;display:flex}@media (width<=1050px){.app-shell.practice-shell .page-content{padding:16px 22px 22px}.practice-page{gap:14px}.practice-panel-heading{padding:13px 22px}.practice-question-scroll,.practice-answer-scroll{padding:25px}.practice-help-display{margin:16px 18px 12px;padding:16px}.practice-help-form{margin:0 18px 16px}}@media (width<=640px){.app-shell.practice-shell .page-content{padding:10px 12px 12px}.practice-page{gap:10px}.practice-page-header{gap:12px;min-height:32px;display:flex}.practice-back-link{gap:7px;max-width:100%;font-size:11px}.practice-back-link svg{width:14px}.practice-workspace{border-radius:9px}.practice-panels{grid-template-rows:minmax(0,1.1fr) minmax(0,1fr);grid-template-columns:minmax(0,1fr)}.practice-right-pane{border-top:1px solid #e5e6e1;border-left:0}.practice-panel-heading{gap:10px;min-height:40px;padding:10px 16px}.practice-panel-heading h2{font-size:12px}.practice-panel-heading>span{font-size:10px}.practice-question-scroll,.practice-answer-scroll{padding:18px}.practice-choices{gap:9px}.practice-choice{gap:12px;min-height:47px;padding:10px 12px;font-size:14px}.practice-choice-id{width:24px;height:24px;font-size:11px}.practice-footer{gap:12px;min-height:65px;padding:11px 13px}.practice-button{gap:7px;min-height:40px;padding:9px 12px;font-size:12px}.practice-button-primary{min-width:90px}.practice-footer-status{text-align:right;font-size:10px}.practice-footer-status>span{display:none}.practice-footer-status h3{justify-content:flex-end;gap:4px;font-size:11px}.practice-help-display{margin:10px 12px;padding:12px}.practice-help-form{flex-direction:row;align-items:stretch;gap:7px;margin:0 12px 10px}.practice-help-form>textarea{height:55px;padding:9px;font-size:12px}.practice-help-form>.practice-button{padding:8px;font-size:11px}.practice-help-empty{gap:6px}.practice-help-empty svg{display:none}.practice-help-empty p{font-size:12px}.practice-help-empty span{font-size:11px}.practice-help>.practice-error{margin:0 12px 8px;padding:6px 8px;font-size:10px}}@media (height<=600px) and (width>=641px){.app-shell.practice-shell .page-content{padding-top:8px;padding-bottom:12px}.practice-page{gap:8px}.practice-page-header{min-height:30px}.practice-panel-heading{min-height:42px;padding-top:10px;padding-bottom:10px}.practice-question-scroll,.practice-answer-scroll{padding-top:20px;padding-bottom:20px}.practice-footer{min-height:61px;padding-top:9px;padding-bottom:9px}}@media (height<=500px) and (width>=500px){.app-shell.practice-shell .page-content{padding:8px 12px 10px}.practice-page{gap:8px}.practice-page-header{gap:12px;min-height:28px;display:flex}.practice-back-link{max-width:150px}.practice-panels{grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.practice-right-pane{border-top:0;border-left:1px solid #e5e6e1}.practice-panel-heading{min-height:35px;padding:8px 14px}.practice-panel-heading>span{display:none}.practice-question-scroll,.practice-answer-scroll{padding:16px}.practice-footer{min-height:58px;padding:8px 14px}.practice-help-display{margin:8px 12px;padding:12px}.practice-help-form{flex-direction:row;align-items:stretch;gap:7px;margin:0 12px 10px}.practice-help-form>textarea{height:52px;padding:8px;font-size:12px}.practice-help-form>.practice-button{padding:8px;font-size:11px}.practice-help-empty{gap:4px}.practice-help-empty svg{display:none}.practice-help-empty p{font-size:12px}.practice-help-empty span{font-size:11px}.practice-help>.practice-error{margin:0 12px 8px;padding:6px 8px;font-size:10px}}.placement-page{height:100%;padding:12px;overflow:hidden auto}.placement-page fieldset{min-width:0;max-width:100%}.placement-page .practice-choice{margin-bottom:10px}.placement-page .practice-choice>span{min-width:0}.course-pages{color:#111;background:#fff;width:100%;max-width:1020px}.course-pages h1,.course-pages h2,.course-pages h3{color:#111;font-family:Arial,Helvetica,sans-serif}.course-pages h1{letter-spacing:-.75px;font-size:32px;font-weight:500;line-height:1.3}.course-page-header{margin-bottom:38px}.course-back-link{color:#555;align-items:center;gap:9px;margin-bottom:27px;font-size:14px;line-height:1.5;display:inline-flex}.course-back-link:hover{color:#000}.course-enrollment-status,.course-empty-state{color:#666;margin:0 0 30px;font-size:14px;line-height:1.6}.course-cards{max-width:440px}.course-card-link{background:#fff;border:1px solid #e4e4e4;border-radius:8px;justify-content:space-between;align-items:center;gap:28px;min-height:154px;padding:28px;transition:border-color .15s;display:flex}.course-card-link:hover{border-color:#999}.course-card-link h2{letter-spacing:-.3px;font-size:23px;font-weight:500;line-height:1.4}.course-card-link>svg{flex-shrink:0}.overview-page-header{justify-content:space-between;align-items:center;gap:28px;margin-bottom:36px;display:flex}.overview-page-header h1{min-width:0;max-width:720px}.practice-now-link{color:#fff;background:#111;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;gap:18px;min-height:44px;padding:12px 18px;font-size:14px;display:inline-flex}.practice-now-link:hover{background:#333}.practice-summary{background:#f6f6f5;border-radius:12px;grid-template-columns:minmax(0,1.05fr) minmax(0,.8fr) minmax(0,1.5fr);gap:32px;margin-bottom:36px;padding:28px;display:grid}.practice-summary h2{letter-spacing:0;margin-bottom:18px;font-size:14px;font-weight:500}.overview-metric-value{letter-spacing:-.8px;font-variant-numeric:tabular-nums;font-size:36px;font-weight:500;line-height:1.2;display:block}.overview-metric-value.is-unassessed{letter-spacing:-.25px;min-height:43px;padding-top:5px;font-size:20px;line-height:1.4}.overview-metric-value>span{letter-spacing:0;font-size:17px}.mastery-score-line{flex-wrap:wrap;align-items:center;gap:6px 10px;display:flex}.mastery-track{background:#ececec;border-radius:4px;width:100%;height:5px;overflow:hidden}.mastery-track>span{border-radius:inherit;background:#222;height:100%;display:block}.practice-mastery>.mastery-track{margin-top:17px}.mastery-change{color:#333;font-variant-numeric:tabular-nums;margin-top:9px;font-size:12px;line-height:1.4}.mastery-change-period{color:#777}.practice-streak{padding-left:8px}.practice-activity-empty{flex-direction:column;justify-content:center;gap:6px;min-height:120px;display:flex}.practice-activity-empty p{color:#555;font-size:14px;line-height:1.5}.practice-activity-empty>span{color:#888;font-size:12px;line-height:1.5}.practice-activity-chart{width:100%;margin:0}.practice-activity-chart>svg{fill:#292929;width:100%;height:116px;display:block}.activity-baseline{stroke:#e7e7e7;stroke-width:1px}.practice-activity-chart figcaption{color:#777;justify-content:space-between;gap:8px;font-size:10px;line-height:1.5;display:flex}.overview-section-heading{justify-content:space-between;align-items:baseline;gap:18px;margin-bottom:18px;display:flex}.overview-section-heading h2{letter-spacing:-.4px;font-size:26px;font-weight:700;line-height:1.25}.overview-rows{border-top:1px solid #e7e7e7;margin:0;padding:0;list-style:none}.overview-topic-row{border-bottom:1px solid #e7e7e7;scroll-margin-top:24px}.overview-topic-header{grid-template-columns:minmax(0,1fr) 170px 104px;align-items:center;gap:28px;display:grid}.overview-topic-heading{min-width:0;margin:0}.overview-topic-toggle{color:#111;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:4px;align-items:center;gap:14px;width:100%;min-height:111px;padding:24px 0;display:flex}.overview-topic-toggle:focus-visible{outline-offset:4px;outline:2px solid #111}.overview-topic-toggle:hover .overview-topic-title{text-underline-offset:4px;text-decoration:underline;text-decoration-thickness:1px}.overview-topic-chevron{color:#777;flex-shrink:0}.overview-topic-toggle[aria-expanded=true] .overview-topic-chevron{transform:rotate(90deg)}.overview-topic-label{gap:6px;min-width:0;display:grid}.overview-topic-title{letter-spacing:-.15px;font-family:Arial,Helvetica,sans-serif;font-size:17px;font-weight:500;line-height:1.5}.overview-topic-count{color:#888;font-size:12px;font-weight:400;line-height:1.5}.overview-row-mastery{gap:9px;min-width:0;display:grid}.mastery-unassessed,.mastery-row-score{font-variant-numeric:tabular-nums;font-size:13px;line-height:1.4}.mastery-unassessed{color:#777}.mastery-row-score{color:#222}.topic-practice-link{color:#333;border:1px solid #dedede;border-radius:6px;justify-content:center;align-items:center;gap:10px;min-height:44px;padding:10px 12px;font-size:13px;display:inline-flex}.topic-practice-link:hover{color:#000;background:#fafafa;border-color:#999}.overview-topic-skills{background:#fafaf9;border-radius:8px;margin:0 0 24px 33px;padding:20px 24px 4px}.overview-topic-skills[hidden]{display:none}.overview-skills-heading{color:#111;margin:0 0 4px;font-size:18px;font-weight:700;line-height:1.4}.overview-skill-list{margin:0;padding:0;list-style:none}.overview-skill-row{border-bottom:1px solid #e7e7e7;grid-template-columns:minmax(0,1fr) 150px;align-items:center;gap:24px;padding:20px 0;display:grid}.overview-skill-row:last-child{border-bottom:0}.overview-skill-title{color:#333;min-width:0;font-size:15px;line-height:1.5}@media (width<=900px){.practice-summary{grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:28px}.practice-progress{grid-column:1/-1}.practice-activity-empty{min-height:70px}.overview-topic-header{grid-template-columns:minmax(0,1fr) 120px 100px;gap:20px}.overview-skill-row{grid-template-columns:minmax(0,1fr) 120px;gap:20px}}@media (width<=600px){.course-pages h1{font-size:28px}.course-page-header{margin-bottom:30px}.course-card-link{min-height:130px;padding:24px}.course-card-link h2{font-size:21px}.overview-page-header{flex-direction:column;align-items:flex-start;gap:20px}.practice-summary{gap:25px 22px;margin-bottom:28px;padding:24px 20px}.practice-summary h2{margin-bottom:15px}.practice-streak{padding-left:0}.overview-metric-value{font-size:32px}.overview-metric-value.is-unassessed{min-height:38px;padding-top:0;font-size:18px}.overview-metric-value>span{font-size:15px}.overview-section-heading{flex-direction:column;align-items:flex-start;gap:4px}.overview-section-heading h2{font-size:24px}.overview-topic-header{grid-template-columns:minmax(0,1fr) 100px;gap:12px 20px;padding-bottom:20px}.overview-topic-heading{grid-column:1/-1}.overview-topic-toggle{min-height:0;padding:22px 0 4px}.overview-topic-title{font-size:16px}.overview-topic-header>.overview-row-mastery{margin-left:33px}.overview-topic-skills{margin-left:0;padding:18px 18px 2px}.overview-skill-row{grid-template-columns:minmax(0,1fr) 85px;gap:18px}}.simple-shell{--ink:#111;--muted:#666;--green:#111;--green-dark:#333;--line:#e7e7e7;--surface:#fff;color:#111;background:#fff}.simple-shell .sidebar{background:#fff}.simple-shell .sidebar-logo{padding-bottom:40px}.simple-shell .sidebar-user{margin-top:auto}.simple-shell .sidebar-user strong{font-size:13px}.simple-shell .avatar{color:#444;background:#f1f1f1}.simple-shell .nav-link{color:#555;font-size:14px}.simple-shell .nav-link.active{color:#111;background:#f3f3f3}.simple-shell .nav-link:hover{color:#111;background:#f7f7f7}.simple-shell .icon-button{color:#555}.simple-shell .icon-button:hover{color:#111;background:#f3f3f3}.simple-shell .simple-topbar{display:none}.simple-shell .page-content{padding-top:55px;padding-bottom:55px}.simple-shell h1{letter-spacing:-.75px;font-weight:500}.simple-shell .button{box-shadow:none;font-size:14px}.simple-shell .button:hover{transform:none}.simple-shell .button-secondary{border-color:#ddd}.simple-shell .button-secondary:hover{background:#f7f7f7}.simple-shell :is(a,button,input,textarea,select):focus-visible{outline-color:#111}.simple-shell .back-link{color:#555;font-size:14px}.simple-shell .notice{color:#333;background:#fff;border-color:#ddd}.simple-shell .panel{background:#fff;border-color:#e7e7e7}.simple-shell .table-scroll th{color:#666;background:#fafafa;font-size:13px}.simple-shell .table-scroll td{color:#333;border-color:#e7e7e7;font-size:14px}.simple-shell .table-icon{color:#444;background:#f3f3f3}.simple-shell input:focus,.simple-shell textarea:focus{border-color:#111;outline-color:#ccc}@media (width<=760px){.simple-shell .simple-topbar{background:#fff;border-bottom:0;min-height:64px;padding:0 20px;display:flex}.simple-shell .page-content{padding:16px 24px 40px}.simple-shell .sidebar-logo{padding-bottom:32px}}:root{color:#263b35;font-synthesis:none;--ink:#243c34;--muted:#65725b;--green:#265a47;--green-dark:#1d4739;--line:#e5e8df;--surface:#fffefa;--cream:#edf2cf;--radius:14px;background:#f8f9f5;font-family:Arial,Helvetica,sans-serif;font-size:14px;font-weight:400}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.52}button,a{touch-action:manipulation}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #a7c981}::selection{color:#173e2e;background:#d9e5b5}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:inherit}h1{letter-spacing:-1.15px;font-size:33px;font-weight:650;line-height:1.35}h2{letter-spacing:-.4px;font-size:19px;font-weight:650}h3{letter-spacing:-.2px;font-size:16px;font-weight:650}p{line-height:1.75}strong{font-weight:600}small,.small{font-size:12px}svg{flex-shrink:0}.block{display:block}.muted{color:var(--muted)}.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}.eyebrow{letter-spacing:1.8px;color:#65725b;font-size:10px;font-weight:650;line-height:1.6}.button{border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:13px;min-height:43px;padding:11px 18px;font-size:12px;font-weight:550;transition:background .18s,transform .18s,box-shadow .18s;display:inline-flex}.button:hover:not(:disabled){transform:translateY(-1px)}.button-primary{background:var(--green);color:#fff;border-color:var(--green);box-shadow:0 2px 3px #18432b08}.button-primary:hover:not(:disabled){background:var(--green-dark)}.button-secondary{color:var(--ink);background:var(--surface);border-color:#dce2d7}.button-secondary:hover:not(:disabled){background:#f0f3e9}.button-cream{color:#254a36;background:#eff3cc}.button-cream:hover{background:#f6f8df}.button-full{width:100%}.text-button{color:var(--green);white-space:nowrap;background:0 0;border:none;align-items:center;gap:8px;padding:3px 0;font-size:12px;font-weight:550;display:inline-flex}.text-button:hover{color:#65725b}.icon-button{color:#65725b;background:0 0;border:none;border-radius:6px;place-items:center;width:32px;height:32px;display:inline-grid}.icon-button:hover:not(:disabled){color:var(--ink);background:#eaf0e4}.brand{--brand-icon-size:36px;--brand-wordmark-height:28px;flex-shrink:0;align-items:center;gap:10px;line-height:1;display:inline-flex}.brand img{display:block}.brand .brand-icon{width:var(--brand-icon-size);height:var(--brand-icon-size)}.brand .brand-wordmark{width:auto;height:var(--brand-wordmark-height)}.brand-compact{--brand-icon-size:38px}.skip-link{border:2px solid var(--green);z-index:100;background:#fff;border-radius:5px;padding:12px 18px;position:fixed;top:-100px;left:18px}.skip-link:focus{top:15px}.app-shell{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--line);z-index:30;background:#fdfdf8;flex-direction:column;width:229px;padding:35px 22px 0;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{justify-content:space-between;align-items:center;padding:0 9px 48px;display:flex}.workspace-label{color:#65725b;letter-spacing:1.6px;padding:0 14px 14px;font-size:9px;font-weight:650}.sidebar nav{flex-direction:column;gap:5px;display:flex}.nav-link{color:#65725b;border-radius:7px;align-items:center;gap:12px;min-height:45px;padding:11px 13px;font-size:12px;transition:background .15s,color .15s;display:flex}.nav-link:hover{color:var(--green);background:#f3f5e9}.nav-link.active{color:#34563c;background:#eaf0df;font-weight:600}.nav-link.active svg{stroke-width:1.8px}.sidebar-course{background:linear-gradient(120deg,#f7f9ec,#fdfdf9);border:1px solid #e5e9db;border-radius:9px;gap:12px;margin-top:auto;margin-bottom:24px;padding:21px 10px;display:flex}.course-icon{color:#5b7650;background:#ebf0dc;border-radius:10px;flex-shrink:0;place-items:center;width:39px;height:39px;display:inline-grid}.sidebar-course .course-icon{width:33px;height:36px}.sidebar-course div{flex-direction:column;gap:6px;display:flex}.sidebar-course small{color:#65725b;letter-spacing:1.1px;font-size:8px;font-weight:650}.sidebar-course strong{font-size:12px}.sidebar-course div>span{color:#65725b;font-size:10px}.sidebar-user{border-top:1px solid var(--line);align-items:center;gap:10px;margin:0 -22px;padding:20px 21px;display:flex}.sidebar-user>div{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.sidebar-user strong{white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.sidebar-user small{text-transform:capitalize;color:var(--muted);font-size:10px}.avatar{color:#866a4e;background:#eadbc8;border-radius:50%;flex-shrink:0;place-items:center;width:35px;height:35px;font-family:inherit;font-size:13px;font-weight:600;display:inline-grid}.avatar-small{width:30px;height:30px;font-size:11px}.avatar-large{width:59px;height:59px;font-size:23px}.main-shell{flex-direction:column;flex:1;min-width:0;margin-left:229px;display:flex}.topbar{border-bottom:1px solid var(--line);background:#fafbf7;justify-content:space-between;align-items:center;gap:15px;min-height:79px;padding:0 45px;display:flex}.topbar-identity,.topbar-right{align-items:center;gap:16px;display:flex}.topbar-course{font-size:12px;font-weight:550}.topbar-divider{color:#c6ccbf;font-size:13px}.topbar-caption{color:#65725b;font-size:11px}.quiet-badge{color:#687a5d;white-space:nowrap;background:#edf2e5;border-radius:20px;align-items:center;gap:7px;padding:6px 10px;font-size:10px;display:inline-flex}.quiet-badge>span{background:#82a76b;border-radius:50%;width:5px;height:5px}.student-picker select{background-color:#0000;width:auto;min-height:32px;padding:7px 28px 7px 10px;font-size:11px}.page-content{flex:1;width:100%;max-width:1420px;margin:0 auto;padding:38px 45px 46px}.page-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px;display:flex}.page-heading .eyebrow{margin-bottom:9px}.page-heading p{color:#65725b;margin-top:9px;font-size:12px}.page-heading>.button{flex-shrink:0}.mobile-only{display:none}.dashboard-columns{grid-template-columns:minmax(0,1fr) 266px;align-items:start;gap:24px;display:grid}.dashboard-side{flex-direction:column;gap:22px;display:flex}.progress-track{background:#e8ece0;border-radius:9px;height:5px;overflow:hidden}.progress-track>span{border-radius:inherit;background:#729a5e;height:100%;transition:width .3s;display:block}.section-block{margin-top:28px}.section-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.section-heading h2{font-size:17px}.section-heading p{color:#65725b;margin-top:6px;font-size:12px}.section-heading .text-button{font-size:10px}.status-label{text-transform:capitalize;white-space:nowrap;border-radius:4px;align-items:center;padding:5px 8px;font-size:9px;display:inline-flex}.status-complete{color:#65725b;background:#edf4e2}.status-available{color:#65725b;background:#f4f2e5}.status-locked{color:#65725b;background:#f0f1e9}.row-arrow{color:#65725b}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:28px 0;display:grid}.stat-card{border:1px solid var(--line);background:#fcfdf8;border-radius:10px;padding:19px 21px}.stat-top{color:#65725b;justify-content:space-between;align-items:center;gap:10px;font-size:10px;display:flex}.stat-top svg{color:#65725b}.stat-card>strong{letter-spacing:-.6px;margin-top:9px;font-family:inherit;font-size:25px;font-weight:500;line-height:1.5;display:block}.stat-card>small{color:#65725b;margin-top:3px;font-size:9px;display:block}.panel{border:1px solid var(--line);background:var(--surface);border-radius:11px;overflow:hidden}.padded-panel{padding:24px}.panel-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;padding:22px 23px;display:flex}.panel-heading h2{font-size:16px}.panel-heading .eyebrow{font-size:8px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;text-align:left;width:100%}th{color:#65725b;border-bottom:1px solid var(--line);white-space:nowrap;background:#fafbf5;padding:15px 22px;font-size:9px;font-weight:500}td{color:#65725b;border-bottom:1px solid #edf0e7;padding:19px 22px;font-size:11px}tbody tr:last-child td{border-bottom:none}td strong{color:var(--ink);font-weight:500}.table-title{align-items:center;gap:12px;display:flex}.table-title div{flex-direction:column;gap:5px;display:flex}.table-title small{color:#65725b;font-size:9px}.table-icon{color:#65725b;background:#eff3e8;border-radius:9px;flex-shrink:0;place-items:center;width:34px;height:34px;display:inline-grid}.teacher-lower{grid-template-columns:1fr 1.2fr;align-items:start;gap:24px;margin-top:24px;display:grid}.teacher-lower .padded-panel>p{font-size:11px}.teacher-lower .form-stack{margin-top:20px}.table-progress{width:130px;font-size:10px}.table-progress .progress-track{height:4px;margin-top:7px}.invite-grid{grid-template-columns:330px minmax(0,1fr);align-items:start;gap:24px;display:grid}.invitation-row{border-bottom:1px solid #edf0e5;align-items:center;gap:13px;padding:20px;display:flex}.invitation-row:last-child{border-bottom:none}.invitation-row>div{flex-direction:column;flex:1;gap:7px;min-width:0;display:flex}.invitation-row strong{overflow-wrap:anywhere;font-size:11px}.invitation-row div>span{color:#65725b;text-transform:capitalize;font-size:9px}.form-stack{flex-direction:column;gap:19px;display:flex}.field{flex-direction:column;gap:8px;display:flex}.field>span{color:#62735b;font-size:11px;font-weight:550}input,select,textarea{width:100%;min-height:42px;color:var(--ink);background:#fffefa;border:1px solid #dfe4d6;border-radius:6px;padding:11px 12px;font-size:12px;transition:border .15s,box-shadow .15s}input::placeholder,textarea::placeholder{color:#65725b}input:focus,select:focus,textarea:focus{outline-offset:1px;border-color:#94b578;outline:2px solid #dce9ca}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23869279' stroke-width='1.6'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:33px}textarea{resize:vertical;line-height:1.8}.field small{color:#65725b;font-size:10px;line-height:1.6}.notice{color:#65725b;background:#f6f3e4;border:1px solid #ece7ce;border-radius:8px;align-items:flex-start;gap:10px;margin-bottom:20px;padding:14px 16px;font-size:12px;line-height:1.7;display:flex}.notice svg{margin-top:1px}.notice .text-button{margin-top:6px;display:flex}.notice-error{color:#955b49;background:#fbf1e9;border-color:#f0ddd1}.notice-success{color:#5e7d4a;background:#edf5e3;border-color:#dfebd0}.loading-state{color:#65725b;flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:250px;font-size:12px;display:flex}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;color:#65725b;padding:55px 24px}.empty-icon{color:#65725b;background:#edf2e1;border-radius:14px;place-items:center;width:53px;height:53px;margin-bottom:20px;display:inline-grid}.empty-state h3{color:#65725b;font-size:16px}.empty-state p{color:#65725b;max-width:390px;margin:10px auto 0;font-size:11px}.standalone-state{max-width:700px;margin:0 auto;padding:50px 25px}.standalone-state .brand{margin-bottom:60px}.standalone-state h1{margin-bottom:25px}.back-link{color:#65725b;align-items:center;gap:8px;font-size:11px;display:inline-flex}.back-link:hover{color:var(--green)}.auth-layout{color:#000;--ink:#000;--muted:#000;--green:#000;--green-dark:#000;background:#fff;place-items:center;min-height:100svh;padding:48px 24px;display:grid}.auth-form-card{width:100%;max-width:320px}.auth-brand{justify-content:center;margin-bottom:36px;display:flex}.auth-brand .brand{--brand-icon-size:40px;--brand-wordmark-height:32px;gap:12px}.auth-form-card h1{letter-spacing:0;margin-bottom:24px;font-size:22px;font-weight:600;line-height:1.3}.auth-form-card .form-stack{gap:18px}.auth-form-card .field>span{color:#000;font-size:14px;font-weight:400}.auth-form-card input{color:#000;background:#fff;border:1px solid #aaa;border-radius:4px;min-height:46px;font-size:16px}.auth-form-card input:focus{outline-offset:0;border-color:#000;outline:1px solid #000}.auth-form-card .button-primary{color:#fff;min-height:46px;box-shadow:none;background:#000;border-color:#000;border-radius:4px;font-size:14px;font-weight:500}.auth-form-card .button:hover{transform:none}.auth-form-card .button-primary:hover:not(:disabled){background:#222;border-color:#222}.auth-form-card a:focus-visible,.auth-form-card button:focus-visible{outline-offset:4px;outline:2px solid #000}.auth-form-card .back-link,.auth-form-card .text-button{color:#000;font-size:14px}.auth-form-card .back-link{margin-bottom:24px}.auth-form-card .field small,.auth-form-card .loading-state,.auth-form-card .muted{color:#000}.auth-form-card .notice{color:#000;background:#fff;border-color:#aaa;border-radius:4px;font-size:14px}.auth-form-card .auth-footer-link{margin-top:24px;margin-bottom:0}.auth-description{overflow-wrap:anywhere;margin-bottom:24px;font-size:14px;line-height:1.5}.forgot-link{color:#000;text-align:right;margin-top:-4px;font-size:13px}.forgot-link:hover{text-decoration:underline}@media (width>=1500px){.page-content{padding-top:48px}.dashboard-columns{grid-template-columns:minmax(0,1fr) 300px;gap:30px}}@media (width<=1200px){.sidebar{width:205px;padding-left:16px;padding-right:16px}.sidebar-user{margin-left:-16px;margin-right:-16px;padding-left:16px;padding-right:16px}.main-shell{margin-left:205px}.topbar{padding:0 30px}.page-content{padding:33px 30px 40px}.dashboard-columns{grid-template-columns:minmax(0,1fr) 235px;gap:20px}.invite-grid{grid-template-columns:290px minmax(0,1fr);gap:20px}.invitation-row>.table-icon{display:none}th,td{padding-left:17px;padding-right:17px}}@media (width<=1020px){h1{font-size:29px}.sidebar{width:188px;padding-left:12px;padding-right:12px}.sidebar-logo{padding-left:8px}.sidebar .brand{--brand-icon-size:32px;--brand-wordmark-height:25px;gap:8px}.main-shell{margin-left:188px}.sidebar-course{gap:8px;padding:17px 8px}.sidebar-user{gap:8px;margin-left:-12px;margin-right:-12px;padding:17px 12px}.sidebar-user .icon-button{width:24px}.topbar{padding:0 25px}.page-content{padding-left:25px;padding-right:25px}.dashboard-columns{grid-template-columns:minmax(0,1fr)}.dashboard-side{grid-template-columns:1fr 1fr;gap:20px;display:grid}.teacher-lower,.invite-grid{grid-template-columns:minmax(0,1fr)}.invite-grid .form-stack{grid-template-columns:1fr 1fr;align-items:end;display:grid}.invite-grid .form-stack .button{min-height:42px}.stat-card{padding:17px}.stat-top{align-items:start;line-height:1.6}.stat-top svg{width:16px}.stats-grid{gap:12px}}@media (width<=760px){.sidebar{visibility:hidden;width:235px;padding-left:20px;padding-right:20px;transition:transform .22s,visibility .22s;transform:translate(-100%);box-shadow:15px 0 40px #213f2210}.sidebar-open{visibility:visible;transform:translate(0)}.sidebar-logo{padding-left:8px}.sidebar-user{margin-left:-20px;margin-right:-20px;padding-left:20px;padding-right:20px}.sidebar-backdrop{z-index:29;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#23342150;border:none;position:fixed;inset:0}.mobile-only{display:inline-grid}.main-shell{margin-left:0}.topbar{min-height:66px;padding:0 20px}.topbar-identity{gap:9px}.topbar-caption{font-size:10px}.topbar-right{gap:8px}.topbar-right .quiet-badge{display:none}.page-content{padding:29px 23px 35px}.page-heading{margin-bottom:24px}h1{font-size:28px}.page-heading p{font-size:11px}.page-heading>.button{padding:10px 12px;font-size:10px}.stats-grid{gap:12px}.stat-card{padding:17px 15px}}@media (width<=500px){.topbar{padding:0 14px}.topbar-caption,.topbar-divider{display:none}.student-picker select{max-width:150px;font-size:10px}.page-content{padding:27px 18px 32px}h1{letter-spacing:-.8px;font-size:26px}.page-heading{flex-direction:column;align-items:flex-start;gap:14px}.page-heading .eyebrow{font-size:8px}.page-heading p{line-height:1.8}.dashboard-side{grid-template-columns:1fr;gap:18px}.stats-grid{grid-template-columns:minmax(0,1fr);gap:10px;margin-top:22px}.stat-card{grid-template-columns:1fr auto;gap:2px 12px;padding:17px 19px;display:grid}.stat-top{justify-content:flex-start;align-items:center;gap:8px}.stat-top svg{order:-1;width:15px}.stat-card>strong{grid-area:1/2/3;align-self:center;margin:0;font-size:24px}.stat-card>small{grid-row:2;margin-top:3px;padding-left:23px}.section-heading h2{font-size:16px}.section-heading .text-button{font-size:9px}.padded-panel{padding:21px}.panel-heading{padding:20px}.invite-grid .form-stack{display:flex}.invitation-row{padding:18px}.invitation-row .status-label{font-size:8px}.section-heading p{font-size:10px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}.button:hover:not(:disabled){transform:none}}
