@import "https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,500;0,600;0,700;1,500&family=Inter:wght@400;500;600;700&family=Spline+Sans+Mono:wght@400;500;600&display=swap";:root{--paper:#f6f3ec;--paper-2:#fbf9f4;--paper-3:#fdfcf9;--ink:#1b1a17;--ink-soft:#6b6559;--ink-faint:#9a9384;--line:#e3ddd0;--line-2:#eae4d8;--blue:#2e5aac;--blue-deep:#244a90;--blue-soft:#e7edf8;--blue-line:#d5e0f2;--clay:#c65b57;--clay-soft:#f6e6e4;--green:#5c9e6b;--green-soft:#e6f0e8;--gold:#d0a53c;--gold-soft:#f6edd6;--violet:#9b6cc0;--grid:#2e5aac0d;--radius:16px;--radius-sm:10px;--radius-lg:20px;--shadow-sm:0 1px 0 #1b1a1708, 0 6px 16px -12px #1b1a1733;--shadow:0 1px 0 #1b1a1708, 0 18px 40px -26px #1b1a1747;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-serif:"Spectral", Georgia, serif;--font-mono:"Spline Sans Mono", "JetBrains Mono", Consolas, monospace;color:var(--ink);background:var(--paper);font:15px/1.55 var(--font-sans);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*,:before,:after{box-sizing:border-box}html{background:var(--paper);min-width:320px;height:100%}body{background:var(--paper);min-width:320px;height:100%;margin:0;overflow:hidden}body,button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:2px}#root{height:100%}.public-layout{background:var(--paper);height:100%;overflow:hidden auto}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--ink);font-family:var(--font-serif);letter-spacing:-.01em;font-weight:600}.mini-label,.eyebrow,.plan-chip,.credit-chip,.workspace-kicker{font-family:var(--font-mono)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.app-shell{background:var(--paper);height:100%;display:flex}.sidebar{background:var(--paper-2);border-right:1px solid var(--line);flex-direction:column;flex:none;gap:6px;width:264px;padding:22px 16px;display:flex}.sidebar-brand{justify-content:space-between;align-items:center;padding:0 6px 18px;display:flex}.demo-brand{font-family:var(--font-serif);color:var(--ink);align-items:center;gap:10px;font-size:18px;font-weight:600;display:inline-flex}.brand-symbol{background:var(--blue-soft);width:32px;height:32px;color:var(--blue);border:1px solid var(--blue-line);font-weight:700;font-family:var(--font-serif);border-radius:9px;place-items:center;display:grid}.brand-dot{color:var(--blue)}.sidebar-collapse{color:var(--ink-faint);cursor:pointer;background:0 0;border:none;font-size:15px;display:none}.sidebar-nav{flex-direction:column;gap:3px;display:flex}.sidebar-section-label{font-family:var(--font-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);padding:6px 10px 8px;font-size:11px}.sidebar-link{border-radius:var(--radius-sm);color:var(--ink-soft);align-items:center;gap:11px;padding:10px 12px;font-size:14.5px;font-weight:500;transition:background .15s,color .15s;display:flex}.sidebar-link:hover{background:var(--paper);color:var(--ink)}.sidebar-link.active{background:var(--blue-soft);color:var(--blue-deep);font-weight:600}.sidebar-icon{color:currentColor;justify-content:center;width:18px;display:inline-flex}.sidebar-spacer{flex:1}.sidebar-credit-card{border-radius:var(--radius);background:var(--paper-3);border:1px solid var(--line);flex-direction:column;gap:3px;margin:0 4px 14px;padding:14px;display:flex}.sidebar-credit-label{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);font-size:11px}.sidebar-credit-card strong{font-family:var(--font-mono);color:var(--ink);font-size:18px;font-weight:600}.sidebar-credit-card span:last-child{color:var(--ink-soft);font-size:12px}.sidebar-account-menu{padding:0 4px}.sidebar-user{border-radius:var(--radius-sm);align-items:center;gap:10px;padding:8px;display:flex}.avatar{background:var(--ink);width:34px;height:34px;color:var(--paper);font-weight:600;font-family:var(--font-serif);border-radius:9px;flex:none;place-items:center;display:grid}.sidebar-user-copy{flex-direction:column;flex:1;min-width:0;display:flex}.sidebar-user-copy strong{font-size:13.5px}.sidebar-user-copy span{color:var(--ink-soft);text-overflow:ellipsis;white-space:nowrap;font-size:11.5px;overflow:hidden}.sidebar-user-action{border:1px solid var(--line);width:30px;height:30px;color:var(--ink-soft);cursor:pointer;background:0 0;border-radius:8px;transition:border-color .15s,color .15s}.sidebar-user-action:hover{border-color:var(--blue);color:var(--blue)}.account-menu-links{flex-direction:column;margin-top:6px;display:flex}.account-menu-links a{color:var(--ink-soft);border-radius:8px;padding:7px 10px;font-size:13px;transition:background .15s,color .15s}.account-menu-links a:hover,.account-menu-links a.active{background:var(--paper);color:var(--ink)}.sidebar-backdrop{display:none}.workspace{flex-direction:column;flex:1;min-width:0;height:100%;display:flex}.workspace-header{border-bottom:1px solid var(--line);background:var(--paper-2);justify-content:space-between;align-items:center;gap:16px;padding:18px clamp(18px,3vw,40px);display:flex}.workspace-heading{flex-direction:column;gap:2px;display:flex}.workspace-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--blue);font-size:11px}.workspace-header h1{font-size:22px}.workspace-actions{align-items:center;gap:10px;display:flex}.plan-chip,.credit-chip{border:1px solid var(--line);background:var(--paper-3);color:var(--ink-soft);border-radius:99px;padding:6px 12px;font-size:12px}.plan-chip b{color:var(--ink)}.workspace-main{flex:1;padding:clamp(20px,3vw,40px);overflow-y:auto}.content-page{flex-direction:column;gap:24px;max-width:1080px;margin:0 auto;display:flex}.page-intro{flex-direction:column;gap:8px;max-width:68ch;display:flex}.compact-intro{gap:6px}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--blue);font-size:11px}.page-intro h1{font-size:clamp(26px,3vw,34px);line-height:1.15}.section-summary{color:var(--ink-soft);font-size:15px;line-height:1.6}.mini-label{letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);font-size:11px}.page-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.form-helper{color:var(--ink-soft);font-size:13px}.primary-link,.secondary-button,.button-reset{border-radius:var(--radius-sm);cursor:pointer;font-size:14.5px;font-weight:600;font-family:var(--font-sans);border:1.5px solid #0000;align-items:center;gap:8px;padding:12px 20px;transition:transform .12s,background .15s,border-color .15s;display:inline-flex}.primary-link:active,.secondary-button:active{transform:translateY(1px)}.primary-link{background:var(--ink);color:var(--paper)}.primary-link:hover{background:#2e2b26}.secondary-button{background:var(--paper-3);color:var(--ink);border-color:var(--line)}.secondary-button:hover{border-color:var(--ink-soft)}.button-reset:disabled,.primary-link:disabled,.secondary-button:disabled{opacity:.45;cursor:not-allowed;transform:none}.text-link{color:var(--blue);font-size:13.5px;font-weight:600;transition:color .15s}.text-link:hover{color:var(--blue-deep);text-underline-offset:2px;text-decoration:underline}.inline-action{color:var(--blue);cursor:pointer;background:0 0;border:none;padding:0;font-size:13.5px;font-weight:600}.nav-button{cursor:pointer;background:0 0;border:none}.panel-card,.dashboard-stat-card,.result-highlight-card,.result-side-card,.state-panel,.recommendation-card,.overview-card,.order-history-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px}.panel-heading{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;display:flex}.panel-heading h2{font-size:18px}.dark-panel{background:var(--ink);color:var(--paper);border-color:var(--ink)}.dark-panel .mini-label{color:#f6f3ec8c}.dark-panel h2{color:var(--paper)}.inline-note{border-radius:var(--radius-sm);background:var(--blue-soft);border:1px solid var(--blue-line);color:var(--blue-deep);flex-direction:column;gap:4px;padding:14px 16px;font-size:13.5px;display:flex}.inline-note strong{color:var(--ink)}.soft-badge{background:var(--blue-soft);color:var(--blue-deep);border-radius:99px;align-items:center;padding:4px 10px;font-size:12px;font-weight:500;display:inline-flex}.badge{background:var(--paper);border:1px solid var(--line);color:var(--ink-soft);border-radius:99px;align-items:center;padding:4px 10px;font-size:12px;display:inline-flex}.badge-row,.dashboard-tag-list{flex-wrap:wrap;gap:8px;display:flex}.recommend-badge{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--gold);font-size:11px}.demo-tag{font-family:var(--font-mono);letter-spacing:.08em;color:var(--blue);font-size:11px}.empty-state{color:var(--ink-soft);padding:8px 0;font-size:13.5px}.dashboard-page{gap:22px}.dashboard-command-bar{border-radius:var(--radius-lg);background:var(--paper-2);border:1px solid var(--line);box-shadow:var(--shadow-sm);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:22px 22px;gap:12px;padding:26px;display:grid}.dashboard-command-bar>p{color:var(--ink-soft)}.dashboard-actions{flex-wrap:wrap;gap:12px;margin-top:4px;display:flex}.dashboard-status-strip,.progress-stat-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.dashboard-stat-card{flex-direction:column;gap:6px;display:flex}.dashboard-stat-card strong{font-family:var(--font-mono);font-size:28px;font-weight:600}.dashboard-stat-card span:last-child{color:var(--ink-soft);font-size:12.5px}.dashboard-action-layout{grid-template-columns:1.4fr 1fr;gap:16px;display:grid}.dashboard-next-card{border-radius:var(--radius);background:var(--ink);color:var(--paper);box-shadow:var(--shadow);flex-direction:column;gap:14px;padding:24px;display:flex}.dashboard-next-card .mini-label{color:#f6f3ec80}.dashboard-card-heading{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.dashboard-card-heading h3{color:var(--paper);font-size:21px}.dashboard-mark{font-family:var(--font-mono);color:#f6f3ec66;font-size:13px}.next-card-description{color:#f6f3ecb8;font-size:14px}.next-card-meta{color:#f6f3ec99;align-items:center;gap:12px;font-size:12px;display:flex}.dashboard-card-footer{border-top:1px solid #f6f3ec24;justify-content:space-between;align-items:center;gap:12px;margin-top:4px;padding-top:14px;display:flex}.dashboard-card-footer span{color:#f6f3ec8c;font-size:12px}.dashboard-card-footer .primary-link{background:var(--paper);color:var(--ink)}.dashboard-side-actions{flex-direction:column;gap:16px;display:flex}.dashboard-action-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;gap:10px;padding:20px;display:flex}.dashboard-action-card h3{font-size:17px}.dashboard-action-card p{color:var(--ink-soft);font-size:13.5px}.dashboard-data-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.dashboard-signal-card{flex-direction:column;display:flex}.dashboard-activity-list,.dashboard-focus-list{flex-direction:column;gap:10px;display:flex}.dashboard-activity-row{border-bottom:1px solid var(--line-2);justify-content:space-between;align-items:center;gap:12px;padding:12px 0;display:flex}.dashboard-activity-row:last-child{border-bottom:none}.dashboard-activity-row strong{font-size:14px;display:block}.dashboard-activity-row div span{color:var(--ink-soft);font-size:12px}.dashboard-activity-row>span{color:var(--ink-soft);text-align:right;font-size:12px}.dashboard-focus-list div{border-bottom:1px solid var(--line-2);align-items:center;gap:12px;padding:10px 0;display:flex}.dashboard-focus-list div:last-child{border-bottom:none}.dashboard-focus-list span{font-family:var(--font-mono);color:var(--ink-faint);font-size:13px}.dashboard-focus-list strong{font-size:14px}.dashboard-upgrade{border-radius:var(--radius);background:var(--gold-soft);border:1px solid #ecdcb4;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:22px 24px;display:flex}.dashboard-upgrade h3{margin-top:4px;font-size:18px}.onboarding-form,.auth-form{flex-direction:column;gap:18px;display:flex}.onboarding-form-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.onboarding-field{flex-direction:column;gap:7px;display:flex}.onboarding-field>span,.auth-form label>span{color:var(--ink-soft);font-size:13px;font-weight:500}.onboarding-field input,.onboarding-field select,.auth-form input,.auth-form textarea,.answer-form textarea,.answer-form input{font-family:var(--font-sans);color:var(--ink);background:var(--paper-3);border:1.5px solid var(--line);border-radius:var(--radius-sm);outline:none;padding:12px 14px;font-size:15px;transition:border-color .15s,box-shadow .15s}.answer-form textarea,.answer-form input{font-family:var(--font-mono)}.onboarding-field input:focus,.onboarding-field select:focus,.auth-form input:focus,.auth-form textarea:focus,.answer-form textarea:focus,.answer-form input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}.auth-form label{flex-direction:column;gap:7px;display:flex}.auth-form textarea{resize:vertical;min-height:120px}.dual-panel-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.practice-workspace{grid-template-columns:280px 1fr;align-items:start;gap:20px;display:grid}.problem-picker{border-radius:var(--radius);background:var(--paper-2);border:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;gap:16px;padding:20px;display:flex;position:sticky;top:0}.picker-heading{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.picker-heading h2{font-size:17px}.problem-type-filter{flex-direction:column;gap:6px;display:flex}.problem-type-filter button{border-radius:var(--radius-sm);border:1.5px solid var(--line);background:var(--paper-3);width:100%;color:var(--ink);cursor:pointer;justify-content:space-between;align-items:center;gap:8px;padding:11px 13px;font-size:14px;font-weight:500;transition:border-color .15s,background .15s;display:flex}.problem-type-filter button:hover{border-color:var(--blue-line)}.problem-type-filter button.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-deep)}.problem-type-filter button span{font-family:var(--font-mono);color:var(--ink-faint);font-size:12px}.problem-type-filter button.active span{color:var(--blue)}.practice-main-column{flex-direction:column;gap:16px;min-width:0;display:flex}.result-highlight-card{background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:22px 22px}.result-highlight-card h2{margin:8px 0 12px;font-size:20px}.problem-prompt{flex-direction:column;gap:12px;min-width:0;display:flex}.problem-prompt p{font-family:var(--font-serif);color:var(--ink);max-width:62ch;font-size:18px;line-height:1.6}.problem-asset{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-3);justify-content:center;align-items:center;max-width:100%;margin:8px auto;padding:12px;display:flex;overflow:hidden}.problem-asset img{object-fit:contain;width:100%;min-width:0;max-width:100%;height:auto;min-height:0;max-height:min(60vh,34rem);display:block}.problem-asset-error{border:1px dashed var(--line-strong);border-radius:var(--radius-sm);width:min(100%,28rem);color:var(--ink-soft);text-align:center;margin:8px auto;padding:18px}.math-content{min-width:0;line-height:1.75}.math-expression{vertical-align:baseline;max-width:100%;margin:0 .08em;display:inline-block}.math-expression.display{display:block;overflow:auto hidden}.math-expression .katex-display{text-align:left;margin:.8rem 0}.answer-form{flex-direction:column;gap:12px;display:flex}.answer-form label{flex-direction:column;gap:8px;display:flex}.answer-form label>span{color:var(--ink-soft);font-size:13px;font-weight:500}.answer-form textarea{resize:vertical;min-height:110px}.answer-actions{gap:10px;display:flex}.result-page{gap:24px}.result-summary-grid,.test-summary-grid{grid-template-columns:1.5fr 1fr;gap:16px;display:grid}.result-highlight-card h2,.test-overview-card h2{font-size:20px}.metric-row,.score-strip{flex-wrap:wrap;gap:24px;margin-top:16px;display:flex}.metric-row div,.score-strip div{flex-direction:column;gap:3px;display:flex}.metric-row span,.score-strip span{color:var(--ink-soft);font-size:12px}.dark-panel .score-strip span{color:#f6f3ec99}.metric-row strong,.score-strip strong{font-family:var(--font-mono);font-size:22px;font-weight:600}.dark-panel .score-strip strong{color:var(--paper)}.key-value-list{flex-direction:column;gap:0;display:flex}.key-value-list div{border-bottom:1px solid var(--line-2);justify-content:space-between;gap:16px;padding:11px 0;display:flex}.key-value-list div:last-child{border-bottom:none}.key-value-list dt{color:var(--ink-soft);font-size:13px}.key-value-list dd{font-size:13px;font-family:var(--font-mono);text-align:right}.result-stack{flex-direction:column;gap:16px;display:flex}.content-blocks{flex-direction:column;gap:12px;display:flex}.content-block{border-radius:var(--radius-sm);background:var(--paper-3);border:1px solid var(--line-2);padding:14px 16px}.content-block span{font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--blue);font-size:11px}.content-block p{color:var(--ink);margin-top:6px;font-size:14.5px;line-height:1.6}.bullet-list,.ordered-list{flex-direction:column;gap:8px;padding-left:20px;display:flex}.bullet-list li,.ordered-list li{color:var(--ink);font-size:14px;line-height:1.55}.recommendation-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}.recommendation-card{flex-direction:column;gap:8px;padding:18px;display:flex}.recommendation-card h3{font-size:15px}.recommendation-card p{color:var(--ink-soft);flex:1;font-size:13px}.answer-table{flex-direction:column;display:flex}.answer-table-row{border-bottom:1px solid var(--line-2);grid-template-columns:repeat(4,1fr);gap:12px;padding:11px 0;font-size:13.5px;display:grid}.answer-table-row span{font-family:var(--font-mono)}.answer-table-head{font-family:var(--font-sans);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-faint);font-size:11px}.answer-table-head span{font-family:var(--font-sans)}.topic-list{flex-direction:column;gap:8px;padding-left:18px;display:flex}.topic-list li{font-size:14px;line-height:1.5}.topic-list.weak li{color:var(--clay)}.test-session-layout{grid-template-columns:72px 1fr;align-items:start;gap:20px;display:grid}.test-question-nav{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);flex-direction:column;gap:8px;padding:14px 10px;display:flex;position:sticky;top:0}.test-question-nav button{border:1.5px solid var(--line);background:var(--paper-3);width:44px;height:44px;color:var(--ink-soft);font-family:var(--font-mono);cursor:pointer;border-radius:10px;font-size:14px;transition:border-color .15s,background .15s;position:relative}.test-question-nav button:hover{border-color:var(--blue-line)}.test-question-nav button.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-deep);font-weight:600}.test-question-nav button span{color:var(--green);font-size:11px;position:absolute;top:3px;right:5px}.progress-layout{grid-template-columns:1.5fr 1fr;align-items:start;gap:16px;display:grid}.progress-topic-panel{flex-direction:column;display:flex}.topic-progress-list{flex-direction:column;gap:14px;display:flex}.topic-progress-row{grid-template-columns:1fr 120px auto;align-items:center;gap:14px;display:grid}.topic-progress-copy strong{font-size:14px;display:block}.topic-progress-copy span{color:var(--ink-soft);font-size:12px}.topic-progress-meter{background:var(--line);border-radius:99px;height:8px;overflow:hidden}.topic-progress-meter span{background:var(--blue);border-radius:99px;height:100%;display:block}.topic-progress-row b{font-family:var(--font-mono);font-size:14px}.progress-side-stack,.progress-next-step-card{flex-direction:column;gap:16px;display:flex}.progress-next-step-card .panel-heading,.progress-next-step-card>p,.progress-next-step-card .badge-row,.progress-next-step-card .page-actions{margin:0}.progress-next-step-card>p{line-height:1.55}.test-trend-list{flex-direction:column;gap:8px;display:flex}.test-trend-row{border-radius:var(--radius-sm);background:var(--paper-3);border:1px solid var(--line-2);justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;transition:border-color .15s;display:flex}.test-trend-row:hover{border-color:var(--blue-line)}.test-trend-row span{font-family:var(--font-mono);color:var(--ink-soft);font-size:12px}.test-trend-row strong{font-family:var(--font-mono);font-size:18px}.test-trend-row small{color:var(--ink-soft);font-size:12px}.mistakes-summary-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.mistake-list{flex-direction:column;gap:10px;display:flex}.mistake-row{border-radius:var(--radius-sm);background:var(--paper-3);border:1px solid var(--line-2);cursor:pointer;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:16px;transition:border-color .15s;display:grid}.mistake-row:hover{border-color:var(--blue-line)}.mistake-row-index{font-family:var(--font-mono);color:var(--ink-faint);font-size:13px}.mistake-row-copy strong{font-size:14.5px;display:block}.mistake-row-copy span{color:var(--ink-soft);font-size:12.5px}.reason-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;display:grid}.review-panel,.review-queue,.review-schedule{flex-direction:column;gap:12px;display:flex}.review-queue-row{border-radius:var(--radius-sm);background:var(--paper-3);border:1px solid var(--line-2);justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.review-question{font-size:14px}.pricing-hero{flex-direction:column;gap:10px;max-width:60ch;display:flex}.billing-toggle{background:var(--paper);border:1px solid var(--line);border-radius:99px;gap:4px;width:fit-content;padding:4px;display:inline-flex}.billing-toggle button{color:var(--ink-soft);cursor:pointer;background:0 0;border:none;border-radius:99px;padding:8px 18px;font-size:13.5px;font-weight:600;transition:background .15s,color .15s}.billing-toggle button.active{background:var(--ink);color:var(--paper)}.pricing-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;display:grid}.pricing-card-header{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.pricing-price{align-items:baseline;gap:4px;display:flex}.pricing-price strong{font-family:var(--font-mono);font-size:30px;font-weight:600}.pricing-price span{color:var(--ink-soft);font-size:13px}.price-line{color:var(--ink-faint);font-size:12px}.plan-best-for{color:var(--ink-soft);font-size:13px}.plan-divider{background:var(--line);height:1px;margin:14px 0}.plan-feature-list{flex-direction:column;gap:9px;display:flex}.plan-feature-list li{color:var(--ink);align-items:flex-start;gap:8px;padding-left:22px;font-size:13.5px;line-height:1.45;display:flex;position:relative}.plan-feature-list li:before{content:"";background:var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%232e5aac' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 10px no-repeat;border-radius:4px;width:14px;height:14px;position:absolute;top:3px;left:0}.pricing-plan-picker{flex-direction:column;gap:8px;margin-bottom:12px;display:flex}.pricing-plan-picker-label{color:var(--ink-soft);font-size:12px}.pricing-plan-select{border-radius:var(--radius-sm);border:1.5px solid var(--line);background:var(--paper-3);padding:10px 12px;font-size:14px}.pricing-plan-summary{color:var(--ink-soft);font-size:13px}.payment-status-card,.payment-config-note{flex-direction:column;gap:10px;display:flex}.order-history-list{flex-direction:column;gap:8px;display:flex}.order-history-row{border-radius:var(--radius-sm);background:var(--paper-3);border:1px solid var(--line-2);justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;font-size:13.5px;display:flex}.overview-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;display:grid}.upgrade-prompt{border-radius:var(--radius);background:var(--gold-soft);border:1px solid #ecdcb4;flex-direction:column;gap:10px;padding:18px 20px;display:flex}.modal-backdrop{z-index:60;background:#1b1a1766;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.mistake-feedback-modal{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);width:min(680px,100%);box-shadow:var(--shadow);flex-direction:column;gap:16px;max-height:88vh;padding:24px;display:flex;overflow-y:auto}.state-panel{flex-direction:column;align-items:flex-start;gap:12px;display:flex}.state-panel h2{font-size:20px}.state-panel p{color:var(--ink-soft);max-width:52ch;font-size:14.5px}.flow-strip{flex-wrap:wrap;gap:12px;display:flex}.topbar{border-bottom:1px solid var(--line);background:var(--paper-2);justify-content:space-between;align-items:center;padding:16px clamp(18px,3vw,40px);display:flex}.brand{align-items:center;gap:10px;display:flex}.brand-mark{background:var(--blue-soft);border:1px solid var(--blue-line);border-radius:9px;width:32px;height:32px}.brand-text{flex-direction:column;display:flex}.brand-text strong{font-family:var(--font-serif);font-size:16px}.brand-text span{color:var(--ink-soft);font-size:11px}.topnav{align-items:center;gap:6px;display:flex}.topnav-link{border-radius:var(--radius-sm);color:var(--ink-soft);padding:8px 14px;font-size:14px;font-weight:500}.topnav-link:hover,.topnav-link.active{background:var(--paper);color:var(--ink)}.topnav-link.muted{color:var(--ink-faint)}.topnav-cta{border-radius:var(--radius-sm);background:var(--ink);color:var(--paper);padding:9px 18px;font-size:14px;font-weight:600}.demo-control{position:relative}.demo-badge{border:1px solid var(--green);background:var(--green-soft);color:var(--green);font-family:var(--font-mono);letter-spacing:.03em;cursor:pointer;border-radius:999px;align-items:center;gap:7px;padding:6px 12px;font-size:12px;transition:background .15s;display:inline-flex}.demo-badge:hover{background:#dcecdf}.demo-dot{background:var(--green);border-radius:50%;width:7px;height:7px;animation:2.2s infinite demo-pulse}@keyframes demo-pulse{0%{box-shadow:0 0 #5c9e6b80}70%{box-shadow:0 0 0 6px #5c9e6b00}to{box-shadow:0 0 #5c9e6b00}}.demo-popover{z-index:40;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);width:268px;box-shadow:var(--shadow);flex-direction:column;gap:10px;padding:16px;display:flex;position:absolute;top:calc(100% + 10px);right:0}.demo-popover-title{font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--green);font-size:12px}.demo-popover-copy{color:var(--ink-soft);font-size:13px;line-height:1.55}.demo-popover-action{text-align:left;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--paper-3);color:var(--ink);cursor:pointer;padding:9px 12px;font-size:13px;transition:border-color .15s}.demo-popover-action:hover{border-color:var(--blue)}.demo-popover-action.muted{color:var(--ink-soft)}@media (width<=900px){.sidebar{z-index:50;box-shadow:var(--shadow);transition:transform .25s;position:fixed;inset:0 auto 0 0;transform:translate(-100%)}.sidebar.open{transform:none}.sidebar-collapse{display:block}.sidebar-backdrop{z-index:40;background:#1b1a1759;border:none;display:block;position:fixed;inset:0}.sidebar-backdrop[aria-hidden=true]{display:none}.mobile-menu-button{border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--paper-3);cursor:pointer;align-items:center;margin-bottom:8px;padding:8px 12px;font-size:13px;display:inline-flex}.dashboard-status-strip,.progress-stat-grid,.mistakes-summary-grid,.dashboard-action-layout,.dashboard-data-grid,.result-summary-grid,.test-summary-grid,.progress-layout,.dual-panel-grid,.onboarding-form-grid,.practice-workspace{grid-template-columns:1fr}.problem-picker,.test-question-nav{position:static}.test-session-layout{grid-template-columns:1fr}.test-question-nav{flex-flow:wrap}.topic-progress-row{grid-template-columns:1fr auto}.topic-progress-meter{grid-column:1/-1}}.mistakes-page,.onboarding-page,.payment-complete-page,.pricing-page,.progress-page{width:100%}.pricing-page{max-width:1120px}body.navigation-open{overflow:hidden}.sidebar{gap:4px;width:258px;overflow-y:auto}.sidebar-brand{padding:0 6px 20px}.demo-brand{gap:10px}.brand-symbol{width:34px;height:34px;font-size:17px}.brand-copy{flex-direction:column;min-width:0;line-height:1.25;display:flex}.brand-copy strong{font-family:var(--font-serif);font-size:17px;font-weight:600}.brand-copy small{color:var(--ink-soft);font-size:11px}.icon-button{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-3);width:36px;height:36px;color:var(--ink-soft);cursor:pointer;place-items:center;padding:0;display:inline-grid}.icon-button:hover{color:var(--ink);border-color:var(--ink-soft)}.sidebar-collapse{display:none}.sidebar-link svg{flex:none}.sidebar-credit-card{margin-bottom:12px}.sidebar-credit-card strong{font-size:19px}.sidebar-account-menu{position:relative}.sidebar-user{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0}.sidebar-user:hover{background:var(--paper)}.account-chevron{color:var(--ink-faint);flex:none;transition:transform .16s}.account-chevron.open{transform:rotate(180deg)}.account-menu-links{z-index:20;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-2);box-shadow:var(--shadow);margin:0;padding:7px;position:absolute;bottom:calc(100% + 8px);left:4px;right:4px}.account-menu-links a,.account-menu-links button{width:100%;font:inherit;text-align:left;cursor:pointer;color:var(--ink-soft);background:0 0;border:0;border-radius:8px;align-items:center;gap:9px;padding:9px 10px;font-size:13px;display:flex}.account-menu-links a:hover,.account-menu-links a.active,.account-menu-links button:hover{background:var(--paper);color:var(--ink)}.workspace-header{min-height:78px}.workspace-heading{min-width:0}.workspace-header h1{line-height:1.2}.workspace-actions{flex-wrap:wrap;justify-content:flex-end}.plan-chip,.credit-chip{white-space:nowrap;align-items:center;gap:6px;min-height:32px;display:inline-flex}.plan-chip:hover,.plan-chip.active{border-color:var(--blue);color:var(--blue-deep);background:var(--blue-soft)}.plan-chip b{border-left:1px solid var(--line);padding-left:4px}.mobile-menu-button{display:none}.content-page{gap:22px}.page-intro h1{font-size:30px}.paper-grid{background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:22px 22px}.muted-copy{color:var(--ink-soft);font-size:14px;line-height:1.6}.compact-button{padding:9px 15px;font-size:13.5px}.mono{font-family:var(--font-mono)}.badge.danger{background:var(--clay-soft);color:var(--clay);border-color:#eecfcd}.inline-note.warning{background:var(--gold-soft);color:#735513;border-color:#ecdcb4}.spin{animation:.8s linear infinite control-spin}@keyframes control-spin{to{transform:rotate(360deg)}}.topic-picker-panel{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);flex-direction:column;gap:16px;padding:22px;display:flex}.topic-picker-panel .panel-heading{margin:0}.topic-picker-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.topic-option{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-3);min-height:78px;color:var(--ink);text-align:left;cursor:pointer;align-items:center;gap:11px;padding:15px;transition:border-color .15s,background .15s;display:flex}.topic-option:hover{border-color:var(--blue-line)}.topic-option.selected{border-color:var(--blue);background:var(--blue-soft)}.topic-option>span:last-child{flex-direction:column;min-width:0;display:flex}.topic-option strong{font-size:14px}.topic-option small{color:var(--ink-soft);margin-top:3px;font-size:11.5px}.topic-swatch{background:var(--blue);border-radius:3px;flex:none;width:11px;height:11px}.swatch-0{background:var(--clay)}.swatch-1{background:var(--blue)}.swatch-2{background:#3aa899}.swatch-3{background:var(--gold)}.swatch-4{background:var(--green)}.swatch-5{background:var(--violet)}.topic-picker-actions{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.practice-main-column{gap:16px}.problem-sheet{background-color:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px 26px 28px;display:block}.problem-sheet.with-spine{grid-template-columns:auto minmax(0,1fr);gap:20px;display:grid}.problem-sheet-content{min-width:0}.problem-sheet-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.problem-sheet h2{margin-bottom:12px;font-size:19px}.topic-chip{align-items:center;gap:8px;font-size:15px;font-weight:600;display:inline-flex}.problem-meta{align-items:center;gap:8px;display:flex}.problem-spine{border-right:1px dashed var(--line);flex-direction:column;gap:6px;margin:0;padding:6px 14px 0 0;list-style:none;display:flex}.spine-item{width:42px;color:var(--ink-soft);font-family:var(--font-mono);cursor:pointer;background:0 0;border:0;align-items:center;gap:7px;padding:3px 0;font-size:11px;display:flex}.spine-dot{border:1.5px solid var(--line);background:var(--paper-3);border-radius:50%;width:12px;height:12px}.spine-item.current .spine-dot{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}.spine-item.current{color:var(--ink);font-weight:600}.spine-item.answered .spine-dot{border-color:var(--green);background:var(--green)}.problem-prompt p{overflow-wrap:anywhere}.problem-prompt img,.problem-asset img{margin-inline:auto}.answer-dock{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px 26px}.answer-dock h2{margin-bottom:4px;font-size:18px}.answer-dock-description{color:var(--ink-soft);margin-bottom:14px;font-size:13.5px}.answer-dock .answer-form{gap:14px}.answer-dock .answer-form textarea{background:var(--paper-3);min-height:92px}.answer-actions{flex-wrap:wrap;justify-content:flex-end}.test-landing-page{max-width:760px}.test-session-page{max-width:1180px}.test-workspace{grid-template-columns:minmax(0,1.45fr) minmax(340px,.75fr);align-items:start;gap:16px;display:grid}.test-workspace .problem-sheet.with-spine{height:clamp(430px,62vh,590px);overflow:hidden}.test-workspace .problem-spine{overscroll-behavior:contain;scrollbar-width:thin;min-height:0;overflow:hidden auto}.test-workspace .problem-sheet-content{overscroll-behavior:contain;min-height:0;max-height:100%;padding-right:6px;overflow-y:auto}.test-workspace .answer-dock{position:sticky;top:16px}.test-workspace .answer-dock .answer-form textarea{min-height:180px}.test-intro-panel{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);flex-direction:column;align-items:flex-start;gap:14px;padding:26px;display:flex}.test-intro-panel h2{font-size:23px}.test-intro-panel>p{max-width:60ch;color:var(--ink-soft);line-height:1.6}.test-facts{flex-wrap:wrap;gap:8px;display:flex}.test-facts span{border:1px solid var(--line);background:var(--paper);color:var(--ink-soft);border-radius:999px;align-items:center;gap:6px;padding:5px 10px;font-size:12px;display:inline-flex}.test-progress-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:16px 22px;display:grid}.test-progress-card>div:first-child{flex-direction:column;gap:7px;display:flex}.test-progress-card>div:last-child{text-align:right}.test-progress-card strong{font-family:var(--font-mono);font-size:20px;display:block}.progress-bar{background:var(--line);border-radius:99px;min-width:180px;height:8px;overflow:hidden}.progress-bar span{border-radius:inherit;background:var(--blue);height:100%;transition:width .4s;display:block}.dashboard-command-bar{gap:10px;padding:26px}.dashboard-command-bar>.eyebrow{margin-bottom:-4px}.dashboard-command-bar h2{font-size:26px}.dashboard-command-bar>p{max-width:62ch}.dashboard-demo-layout{grid-template-columns:1fr 1fr}.dashboard-next-card{justify-content:flex-start;min-height:245px}.dashboard-next-card h3{margin-top:4px}.dashboard-next-card .dashboard-card-footer{margin-top:auto}.dashboard-focus-card,.dashboard-focus-rows{flex-direction:column;display:flex}.dashboard-focus-rows>div{border-bottom:1px solid var(--line-2);justify-content:space-between;align-items:center;gap:12px;padding:12px 0;display:flex}.dashboard-focus-rows>div:last-child{border-bottom:0}.dashboard-focus-rows>div>span:first-child{flex-direction:column;display:flex}.dashboard-focus-rows strong{font-size:14px}.dashboard-focus-rows small{color:var(--ink-soft);font-size:12px}.mistakes-workspace{grid-template-columns:minmax(0,1.45fr) minmax(280px,.75fr);align-items:start;gap:16px;display:grid}.mistake-list{gap:0}.mistake-list.loading{opacity:.55;pointer-events:none}.mistake-row{background:0 0;border-width:0 0 1px;border-radius:0;padding-inline:0}.mistake-row:last-child{border-bottom:0}.mistake-pagination{border-top:1px solid var(--line);min-height:42px;color:var(--ink-soft);justify-content:space-between;align-items:center;gap:14px;margin-top:14px;padding-top:14px;font-size:12px;display:flex}.mistake-pagination>div{align-items:center;gap:8px;display:flex}.pagination-button{border:1px solid var(--line);background:var(--paper-3);width:34px;height:34px;color:var(--ink);cursor:pointer;border-radius:7px;flex:none;place-items:center;display:grid}.pagination-button:hover:not(:disabled){border-color:var(--blue);color:var(--blue-deep)}.pagination-button:disabled{opacity:.4;cursor:not-allowed}.recommendation-grid{flex-direction:column;gap:0;display:flex}.recommendation-card{border:0;border-bottom:1px solid var(--line-2);box-shadow:none;border-radius:0;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:12px 0;display:grid}.recommendation-card:last-child{border-bottom:0}.recommendation-card p{margin:0}.topic-progress-row.weak .topic-progress-meter span{background:var(--clay)}.competition-plan-page{gap:20px}.plan-status-bar{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;gap:18px;padding:14px 18px;display:flex}.plan-source-summary,.plan-status-facts,.plan-status-facts>span,.plan-target-label{align-items:center;display:flex}.plan-source-summary{gap:11px}.plan-source-summary>div{flex-direction:column;gap:2px;display:flex}.plan-source-summary strong{font-size:14px}.plan-source-icon{border:1px solid var(--line);width:34px;height:34px;color:var(--ink-soft);background:var(--paper-3);border-radius:8px;place-items:center;display:grid}.plan-source-icon.ai{color:var(--blue-deep);border-color:var(--blue-line);background:var(--blue-soft)}.plan-source-icon.fallback{color:var(--clay);background:var(--clay-soft)}.plan-status-facts{color:var(--ink-soft);gap:16px;font-size:12.5px}.plan-status-facts>span{gap:6px}.plan-status-facts>strong{background:var(--ink);color:var(--paper);font-family:var(--font-mono);border-radius:6px;padding:5px 9px;font-size:12px}.plan-fallback-note{border-left:3px solid var(--clay);background:var(--clay-soft);color:var(--ink-soft);align-items:baseline;gap:8px;padding:11px 15px;font-size:12.5px;display:flex}.plan-fallback-note strong{color:var(--ink)}.plan-section{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);min-width:0;box-shadow:var(--shadow-sm);padding:26px}.competition-today.plan-section{background-color:var(--paper-2);flex-direction:column;align-items:stretch;gap:24px;display:flex}.plan-section-heading{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.plan-section-heading>div:first-child{flex-direction:column;gap:6px;max-width:760px;display:flex}.plan-section-heading h2{font-size:24px;line-height:1.3}.plan-section-heading .primary-link{flex:none}.plan-section-total{flex-direction:column;flex:none;align-items:flex-end;display:flex}.plan-section-total strong{font-family:var(--font-mono);font-size:25px}.plan-section-total span{color:var(--ink-soft);font-size:11.5px}.plan-metric-strip{border:1px solid var(--line);background:#fff6;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.plan-metric-strip>div{border-right:1px solid var(--line);min-width:0;padding:14px 16px}.plan-metric-strip>div:last-child{border-right:0}.plan-metric-strip strong{overflow-wrap:anywhere;font-family:var(--font-mono);font-size:20px;font-weight:600;display:block}.plan-metric-strip span{color:var(--ink-soft);font-size:11.5px}.plan-context-grid{grid-template-columns:minmax(220px,.75fr) minmax(0,1.25fr);gap:28px;display:grid}.plan-context-grid>div,.plan-evidence{flex-direction:column;gap:9px;display:flex}.plan-compact-list{color:var(--ink-soft);flex-direction:column;gap:6px;font-size:13px;line-height:1.5;list-style:none;display:flex}.plan-compact-list li{padding-left:14px;position:relative}.plan-compact-list li:before{content:"";background:var(--blue);border-radius:50%;width:5px;height:5px;position:absolute;top:.65em;left:0}.plan-block{flex-direction:column;gap:10px;display:flex}.plan-block-title{color:var(--blue-deep);align-items:center;gap:8px;display:flex}.plan-block-title h3{color:var(--ink);font-size:16px}.daily-session-list{border-top:1px solid var(--line)}.daily-session-row{border-bottom:1px solid var(--line);grid-template-columns:42px minmax(0,1fr) 84px 74px;align-items:center;gap:16px;padding:16px 0;display:grid}.plan-row-index{font-family:var(--font-mono);color:var(--ink-faint);font-size:12px}.plan-row-main{min-width:0}.plan-row-main>strong{margin-bottom:3px;font-size:14px;display:block}.plan-row-main p{color:var(--ink-soft);font-size:12.5px;line-height:1.45}.plan-row-tags{color:var(--blue-deep);flex-wrap:wrap;gap:10px;margin-top:7px;font-size:11.5px;display:flex}.plan-row-amount{flex-direction:column;align-items:flex-end;display:flex}.plan-row-amount strong{font-family:var(--font-mono);font-size:16px}.plan-row-amount span{color:var(--ink-faint);font-size:10.5px}.plan-completion{grid-template-columns:minmax(140px,.35fr) minmax(0,1fr);gap:20px;padding-top:2px;display:grid}.plan-completion ul{gap:8px;display:grid}.plan-completion li{color:var(--ink-soft);align-items:flex-start;gap:8px;font-size:12.5px;line-height:1.45;display:flex}.plan-completion li svg{color:var(--green);flex:none;margin-top:1px}.plan-week-section,.plan-month-section{flex-direction:column;gap:22px;display:flex}.plan-week-intro{grid-template-columns:minmax(220px,.75fr) minmax(0,1.25fr);gap:28px;display:grid}.plan-week-intro>div{flex-direction:column;gap:8px;display:flex}.plan-week-intro p{color:var(--ink-soft);font-size:13px}.weekly-schedule{border-top:1px solid var(--line)}.weekly-schedule-header,.weekly-schedule-row{grid-template-columns:70px minmax(180px,1.05fr) 105px minmax(220px,1.2fr);align-items:center;gap:16px;display:grid}.weekly-schedule-header{color:var(--ink-faint);text-transform:uppercase;padding:9px 0;font-size:10.5px}.weekly-schedule-row{border-top:1px solid var(--line-2);min-height:78px;padding:12px 0}.weekly-schedule-row>strong{font-family:var(--font-mono);font-size:12px}.weekly-schedule-row>div{flex-direction:column;gap:3px;display:flex}.weekly-schedule-row>div>strong{font-size:13.5px}.weekly-schedule-row>div>span,.weekly-schedule-row>p{color:var(--ink-soft);font-size:11.5px;line-height:1.45}.weekly-load strong{font-family:var(--font-mono)}.plan-checkpoint{border:1px solid var(--blue-line);background:var(--blue-soft);align-items:flex-start;gap:11px;padding:14px 16px;display:flex}.plan-checkpoint svg{color:var(--blue-deep);flex:none}.plan-checkpoint>div{flex-direction:column;gap:4px;display:flex}.plan-checkpoint p{color:var(--blue-deep);font-size:13px;line-height:1.5}.plan-target-label{border:1px solid var(--line);color:var(--ink-soft);flex:none;gap:7px;padding:7px 10px;font-size:12px}.plan-target-label svg{color:var(--blue)}.plan-evidence{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0}.monthly-phase-list{flex-direction:column;display:flex}.monthly-phase-row{border-bottom:1px solid var(--line);grid-template-columns:40px minmax(240px,1fr) minmax(260px,1.15fr);gap:18px;padding:18px 0;display:grid}.monthly-phase-row:last-child{border-bottom:0}.month-phase-marker{justify-content:center;display:flex;position:relative}.month-phase-marker:after{content:"";background:var(--line);width:1px;position:absolute;top:32px;bottom:-19px}.monthly-phase-row:last-child .month-phase-marker:after{display:none}.month-phase-marker span{z-index:1;background:var(--ink);width:28px;height:28px;color:var(--paper);font-family:var(--font-mono);border-radius:50%;place-items:center;font-size:11px;display:grid;position:relative}.month-phase-copy,.month-success{flex-direction:column;gap:7px;display:flex}.month-phase-copy h3{font-size:15px}.month-success p{color:var(--ink-soft);font-size:12.5px;line-height:1.5}.plan-month-footer{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:28px;padding-top:18px;display:grid}.plan-month-footer>div{flex-direction:column;gap:8px;display:flex}.plan-month-footer p,.plan-month-footer ol{color:var(--ink-soft);font-size:12.5px;line-height:1.55}.plan-month-footer ol{flex-direction:column;gap:6px;padding-left:18px;list-style:decimal;display:flex}.pricing-grid{align-items:stretch}.pricing-plan-card,.test-overview-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px}.pricing-plan-card{flex-direction:column;min-width:0;display:flex;position:relative}.pricing-plan-card.recommended,.pricing-plan-card.current{outline:2px solid var(--blue);outline-offset:-2px}.pricing-plan-card .plan-feature-list{flex:1}.pricing-plan-card>.primary-link,.pricing-plan-card>.secondary-button{justify-content:center;width:100%}.billing-toggle button>span{display:none}.reason-option{border:1px solid var(--line);background:var(--paper-3);min-height:42px;color:var(--ink-soft);text-align:left;cursor:pointer;border-radius:8px;padding:9px 11px}.reason-option:hover{border-color:var(--blue-line);color:var(--ink)}.reason-option.selected{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-deep);font-weight:600}.review-status{border:1px solid var(--line);color:var(--ink-soft);white-space:nowrap;border-radius:999px;padding:4px 9px;font-size:11.5px;display:inline-flex}.review-status.due{background:var(--clay-soft);color:var(--clay);border-color:#eecfcd}.review-status.scheduled{border-color:var(--blue-line);background:var(--blue-soft);color:var(--blue-deep)}.review-status.mastered{background:var(--green-soft);color:var(--green);border-color:#cfe3d4}.review-queue-row{width:100%;color:var(--ink);text-align:left;cursor:pointer}.review-queue-row>span{flex-direction:column;display:flex}.review-queue-row small{color:var(--ink-soft)}.review-queue-card{flex-direction:column;gap:16px;min-width:0;display:flex}.review-queue-card .panel-heading{margin-bottom:0}.review-queue-card .badge-row{align-items:center}.review-queue-card .page-actions{margin-top:0}.mistake-problem-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.mistake-problem-actions .inline-action,.mistake-problem-actions .text-link{align-items:center;gap:6px;display:inline-flex}.mistake-problem-actions .inline-action:disabled{opacity:.55;cursor:wait}.mistake-problem-preview{border:1px solid var(--line);background-color:var(--paper-3);flex-direction:column;gap:10px;padding:18px;display:flex}.mistake-problem-preview h3{font-size:16px}.mistake-problem-preview .problem-prompt{font-size:14px}.mistake-feedback-modal label{flex-direction:column;gap:7px;display:flex}.mistake-feedback-modal textarea{resize:vertical;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-3);width:100%;padding:11px 13px}.verdict-card{position:relative;overflow:hidden}.verdict-card:before{content:"";background:var(--green);width:4px;position:absolute;inset:0 auto 0 0}.verdict-card.incorrect:before{background:var(--clay)}.result-actions{justify-content:flex-end;margin-top:18px;display:flex}.answer-table,.order-history-list{min-width:0}@media (width<=900px){.sidebar{width:min(300px,100vw - 44px)}.sidebar-collapse{display:inline-grid}.workspace-header{align-items:flex-start;min-height:86px}.workspace-actions{max-width:60%}.mobile-menu-button{margin-bottom:8px;display:inline-grid}.topic-picker-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.problem-sheet.with-spine{grid-template-columns:1fr}.problem-spine{border-right:0;border-bottom:1px dashed var(--line);flex-flow:wrap;padding:0 0 12px}.spine-item{width:24px}.spine-number{display:none}.test-workspace{grid-template-columns:1fr}.test-workspace .problem-sheet.with-spine{height:auto;max-height:none;overflow:visible}.test-workspace .problem-spine{overflow:visible}.test-workspace .problem-sheet-content{max-height:none;padding-right:0;overflow:visible}.test-workspace .answer-dock{position:static}.dashboard-demo-layout,.mistakes-workspace,.competition-plan-grid{grid-template-columns:1fr}.weekly-schedule-header{display:none}.weekly-schedule-row{grid-template-columns:58px minmax(0,1fr) 90px}.weekly-schedule-row>p{grid-column:2/-1}.monthly-phase-row{grid-template-columns:38px minmax(0,1fr)}.month-success{grid-column:2}.recommendation-card{grid-template-columns:auto 1fr}.recommendation-card .text-link{grid-column:2}}@media (width<=620px){.workspace-header{flex-direction:column;gap:10px;padding:14px 16px}.workspace-heading{grid-template-columns:auto 1fr;align-items:center;column-gap:10px;width:100%;display:grid}.workspace-heading .mobile-menu-button{grid-row:1/3;margin:0}.workspace-kicker,.workspace-header h1{grid-column:2}.workspace-header h1{font-size:20px}.workspace-actions{justify-content:flex-start;gap:7px;width:100%;max-width:none}.demo-badge,.plan-chip,.credit-chip{padding:5px 9px;font-size:11px}.plan-chip b{display:none}.workspace-main{padding:16px}.content-page{gap:16px}.page-intro h1{font-size:26px}.topic-picker-grid{grid-template-columns:1fr}.topic-picker-panel,.problem-sheet,.answer-dock,.panel-card,.dashboard-stat-card,.result-highlight-card,.result-side-card,.state-panel,.overview-card{padding:18px}.problem-sheet{background-size:18px 18px}.answer-actions{flex-direction:column-reverse;align-items:stretch}.answer-actions .primary-link,.answer-actions .secondary-button{justify-content:center;width:100%}.test-progress-card{gap:14px;padding:14px 16px}.progress-bar{min-width:0}.dashboard-status-strip,.progress-stat-grid,.mistakes-summary-grid{gap:10px}.dashboard-card-footer{flex-direction:column;align-items:flex-start}.mistake-row{grid-template-columns:auto 1fr}.mistake-row .review-status{grid-column:2;justify-self:start}.mistake-pagination,.mistake-problem-actions{flex-direction:column;align-items:flex-start}.topic-progress-row{gap:8px}.answer-table{overflow-x:auto}.answer-table-row{min-width:560px}.order-history-row{flex-wrap:wrap;align-items:flex-start}.modal-backdrop{align-items:end;padding:12px}.mistake-feedback-modal{width:100%;max-height:88vh;overflow-y:auto}.plan-status-bar,.plan-section-heading{flex-direction:column;align-items:stretch}.plan-status-facts{flex-wrap:wrap;align-items:flex-start;gap:9px 13px}.plan-fallback-note{flex-direction:column;align-items:flex-start}.plan-section{padding:18px}.plan-section-heading{gap:14px}.plan-section-heading h2{font-size:20px}.plan-section-heading .primary-link{justify-content:center}.plan-section-total{align-items:flex-start}.plan-metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.plan-metric-strip>div:nth-child(2){border-right:0}.plan-metric-strip>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.plan-context-grid,.plan-week-intro,.plan-completion,.plan-month-footer{grid-template-columns:1fr;gap:18px}.daily-session-row{grid-template-columns:30px minmax(0,1fr) auto;gap:10px}.daily-session-row .plan-row-amount:last-child{grid-column:3}.plan-row-amount{align-items:flex-end}.weekly-schedule-row{grid-template-columns:48px minmax(0,1fr);gap:10px;padding:14px 0}.weekly-load,.weekly-schedule-row>p{grid-column:2}.monthly-phase-row{gap:10px}.plan-target-label{align-self:flex-start}}.auth-page{background:var(--paper);min-height:100%;padding:28px clamp(18px,5vw,72px) 56px}.auth-back-link{color:var(--ink-soft);align-items:center;gap:7px;font-size:13px;display:inline-flex}.auth-back-link:hover{color:var(--blue)}.auth-layout{grid-template-columns:minmax(0,1fr) minmax(360px,460px);align-items:center;gap:clamp(42px,8vw,120px);width:min(100%,1120px);min-height:calc(100vh - 110px);margin:0 auto;display:grid}.auth-story{flex-direction:column;align-items:flex-start;max-width:560px;display:flex}.auth-brand{color:var(--ink);font-family:var(--font-serif);align-items:center;gap:10px;font-size:19px;font-weight:600;display:inline-flex}.auth-brand-symbol{border:1px solid var(--blue-deep);background:var(--blue);color:#fff;border-radius:10px;place-items:center;width:38px;height:38px;font-size:19px;display:grid}.auth-story-copy{margin-top:72px}.auth-eyebrow{color:var(--blue);font-family:var(--font-mono);letter-spacing:.07em;text-transform:uppercase;font-size:11px}.auth-story h1{max-width:550px;margin-top:14px;font-size:clamp(42px,5vw,68px);line-height:1.08}.auth-story-copy p{max-width:500px;color:var(--ink-soft);margin-top:20px;font-size:18px;line-height:1.6}.auth-benefits{color:var(--ink-soft);flex-direction:column;gap:12px;margin:37px 0 0;padding:0;font-size:13.5px;list-style:none;display:flex}.auth-benefits li{align-items:center;gap:9px;display:flex}.auth-benefits svg{color:var(--green)}.auth-card{border:1px solid var(--line);background:var(--paper-3);box-shadow:var(--shadow);border-radius:16px;padding:30px}.auth-card-icon{border:1px solid var(--blue-line);background:var(--blue-soft);width:44px;height:44px;color:var(--blue);border-radius:11px;place-items:center;margin-bottom:18px;display:grid}.auth-card h2{margin-top:9px;font-size:28px}.auth-card-summary{color:var(--ink-soft);margin-top:9px;font-size:13.5px}.auth-message{border:1px solid var(--blue-line);background:var(--blue-soft);color:var(--blue-deep);border-radius:9px;margin-top:17px;padding:11px 13px;font-size:12px;line-height:1.45}.auth-message.warning{background:var(--gold-soft);color:#725616;border-color:#ead9ad}.auth-primary-button{border:1px solid var(--ink);background:var(--ink);width:100%;min-height:48px;color:var(--paper);cursor:pointer;border-radius:9px;justify-content:center;align-items:center;gap:9px;margin-top:22px;padding:11px 15px;font-size:14px;font-weight:600;display:inline-flex}.auth-primary-button:hover{background:#302d28}.auth-primary-button:disabled{opacity:.55;cursor:wait}.auth-google-mark{color:#4285f4;background:#fff;border-radius:50%;place-items:center;width:22px;height:22px;font-size:13px;font-weight:700;display:grid}.google-signin-mount{justify-content:center;min-height:48px;margin-top:22px;display:flex}.auth-loading{color:var(--ink-faint);text-align:center;font-family:var(--font-mono);margin-top:8px;font-size:10px;display:block}.auth-dev-tools{border-top:1px solid var(--line);color:var(--ink-soft);margin-top:22px;padding-top:17px;font-size:12px}.auth-dev-heading{font-family:var(--font-mono);text-transform:uppercase;margin-bottom:9px;font-size:10px;display:block}.auth-local-accounts{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-bottom:13px;display:grid}.auth-local-accounts .auth-secondary-button{width:100%;padding-inline:6px}.auth-dev-tools summary{cursor:pointer;font-family:var(--font-mono);text-transform:uppercase;font-size:10px}.auth-dev-tools form{flex-direction:column;gap:7px;margin-top:12px;display:flex}.auth-dev-tools label{font-size:12px}.auth-dev-tools textarea{resize:vertical;border:1px solid var(--line);background:var(--paper-2);width:100%;color:var(--ink);font-family:var(--font-mono);border-radius:8px;padding:9px;font-size:11px}.auth-secondary-button{border:1px solid var(--line);background:var(--paper-2);color:var(--ink);cursor:pointer;border-radius:7px;align-self:flex-start;padding:8px 12px;font-size:12px}.auth-secondary-button:hover{border-color:var(--ink-soft)}.auth-secondary-button:disabled{opacity:.55;cursor:wait}.auth-security{color:var(--ink-soft);align-items:flex-start;gap:7px;margin-top:24px;font-size:11px;line-height:1.4;display:flex}.auth-security svg{color:var(--green);flex:none}.auth-terms{color:var(--ink-faint);margin-top:18px;font-size:10px;line-height:1.45}@media (width<=820px){.auth-layout{grid-template-columns:1fr;gap:36px;max-width:510px;padding-top:52px}.auth-story-copy{margin-top:0}.auth-story h1{font-size:46px}.auth-story-copy p{font-size:16px}.auth-benefits{margin-top:24px}}@media (width<=520px){.auth-page{padding:18px 14px 38px}.auth-layout{padding-top:38px}.auth-story h1{font-size:38px}.auth-card{padding:23px 19px}}.landing-page{background:var(--paper);min-height:100%;color:var(--ink);font:16px/1.6 var(--font-sans)}.landing-page h1,.landing-page h2,.landing-page h3,.landing-page h4{color:var(--ink);font-family:var(--font-serif);letter-spacing:0;margin:0;font-weight:600;line-height:1.12}.landing-page p{margin:0}.landing-page img{max-width:100%;display:block}.landing-wrap{width:min(100% - 40px,1160px);margin:0 auto}.landing-nav{z-index:50;-webkit-backdrop-filter:saturate(150%)blur(14px);backdrop-filter:saturate(150%)blur(14px);background:#f6f3ecf0;border-bottom:1px solid #0000;transition:border-color .2s,box-shadow .2s;position:sticky;top:0}.landing-nav.scrolled{border-bottom-color:var(--line);box-shadow:0 12px 30px -26px #1b1a1773}.landing-nav-inner{justify-content:space-between;align-items:center;gap:20px;min-height:68px;display:flex}.landing-brand{font-family:var(--font-serif);align-items:center;gap:11px;font-size:18px;font-weight:600;display:inline-flex}.landing-brand-symbol{border:1px solid var(--blue-deep);background:var(--blue);color:#fff;width:38px;height:38px;font-family:var(--font-serif);border-radius:10px;flex:none;place-items:center;font-size:19px;font-weight:700;display:grid;position:relative;box-shadow:0 7px 18px -11px #2e5aaccc}.landing-nav-links{align-items:center;gap:2px;display:flex}.landing-nav-links a{color:var(--ink-soft);padding:8px 13px;font-size:14px;font-weight:500;position:relative}.landing-nav-links a:after{content:"";background:var(--blue);transform-origin:0;height:2px;transition:transform .2s;position:absolute;bottom:3px;left:13px;right:13px;transform:scaleX(0)}.landing-nav-links a:hover{color:var(--ink)}.landing-nav-links a:hover:after{transform:scaleX(1)}.landing-nav-actions{align-items:center;gap:14px;display:flex}.landing-signin{font-size:14px;font-weight:600}.landing-signin:hover{color:var(--blue)}.landing-menu-button{border:1px solid var(--line);background:var(--paper-3);width:40px;height:40px;color:var(--ink);cursor:pointer;border-radius:8px;place-items:center;display:none}.landing-mobile-menu{display:none}.landing-button{border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:10px 20px;font-size:14.5px;font-weight:600;line-height:1.2;transition:background .15s,border-color .15s,transform .1s;display:inline-flex}.landing-button:active{transform:translateY(1px)}.landing-button.primary{background:var(--ink);color:var(--paper)}.landing-button.primary:hover{background:#302d28}.landing-button.secondary{border-color:var(--line);background:var(--paper-3);color:var(--ink)}.landing-button.secondary:hover{border-color:var(--ink-soft)}.landing-button.light{background:var(--paper);color:var(--ink)}.landing-button.light:hover{background:#fff}.landing-button.large{min-height:52px;padding:14px 28px;font-size:16px}.landing-button.compact{min-height:38px;padding:8px 15px;font-size:13.5px}.landing-hero{padding:72px 0 0;position:relative;overflow:hidden}.landing-grid,.landing-final-grid{background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);pointer-events:none;background-size:26px 26px;position:absolute;inset:0}.landing-grid{height:600px;-webkit-mask-image:linear-gradient(#000 20%,#0000 92%);mask-image:linear-gradient(#000 20%,#0000 92%)}.landing-hero-copy{text-align:center;flex-direction:column;align-items:center;display:flex;position:relative}.landing-badge{border:1px solid var(--line);background:var(--paper-3);color:var(--ink-soft);font-family:var(--font-mono);border-radius:999px;align-items:center;gap:8px;padding:5px 13px;font-size:12px;display:inline-flex}.landing-badge>span{background:var(--green);border-radius:50%;width:7px;height:7px}.landing-hero h1{margin-top:23px;font-size:68px}.landing-hero-promise{color:var(--ink);font-family:var(--font-serif);margin-top:6px;font-size:42px;font-weight:600;line-height:1.15}.landing-hero-promise em,.landing-final-cta h2 em{color:var(--blue);font-weight:500}.landing-hero-summary{max-width:610px;color:var(--ink-soft);margin-top:17px;font-size:19px;line-height:1.55}.landing-hero-actions{justify-content:center;gap:12px;margin-top:27px;display:flex}.landing-trust{color:var(--ink-faint);justify-content:center;align-items:center;gap:18px;margin-top:18px;font-size:12.5px;display:flex}.landing-trust b{color:var(--ink-soft);font-weight:600}.landing-trust i{background:var(--ink-faint);border-radius:50%;width:3px;height:3px}.landing-product-preview{border:1px solid var(--line);background:var(--paper-3);border-radius:18px 18px 0 0;margin-top:52px;position:relative;overflow:hidden;box-shadow:0 34px 80px -48px #1b1a178c}.landing-browser-bar{border-bottom:1px solid var(--line);background:var(--paper-3);align-items:center;height:40px;padding:0 15px;display:flex}.window-dot{background:var(--line);border-radius:50%;width:10px;height:10px;margin-right:6px}.window-dot.red{background:#d99b98}.window-dot.gold{background:#dec789}.window-dot.green{background:#9fc4a7}.landing-browser-url{color:var(--ink-faint);font-family:var(--font-mono);margin-left:9px;font-size:11px}.landing-dashboard{background:var(--paper);text-align:left;grid-template-columns:190px minmax(0,1fr);min-height:525px;display:grid}.preview-sidebar{border-right:1px solid var(--line);background:var(--paper-2);flex-direction:column;gap:5px;padding:20px 14px;display:flex}.preview-logo{align-items:center;gap:8px;margin:0 4px 19px;font-size:12px;display:flex}.preview-logo>span{background:var(--blue);color:#fff;border-radius:8px;place-items:center;width:28px;height:28px;display:grid}.preview-logo>div{flex-direction:column;line-height:1.25;display:flex}.preview-logo b{font-family:var(--font-serif)}.preview-logo small{color:var(--ink-faint);font-size:7px}.preview-nav-label{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;margin:2px 9px 5px;font-size:8px}.preview-nav{color:var(--ink-soft);border-radius:8px;align-items:center;gap:9px;padding:8px 9px;font-size:12px;display:flex}.preview-nav.active{background:var(--blue-soft);color:var(--blue-deep);font-weight:600}.preview-credit{border:1px solid var(--line);background:var(--paper-3);border-radius:10px;flex-direction:column;gap:2px;margin-top:auto;padding:12px;display:flex}.preview-credit span,.preview-credit small{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;font-size:9px}.preview-credit b{font-family:var(--font-mono);font-size:17px}.preview-student{align-items:center;gap:8px;margin-top:7px;padding:7px 5px;display:flex}.preview-student>b{background:var(--ink);width:28px;height:28px;color:var(--paper);font-family:var(--font-serif);border-radius:7px;flex:none;place-items:center;font-size:11px;display:grid}.preview-student>span{flex-direction:column;min-width:0;line-height:1.25;display:flex}.preview-student strong{font-size:8px}.preview-student small{color:var(--ink-faint);font-size:7px}.preview-workspace{padding:18px 24px 20px}.preview-heading{justify-content:space-between;align-items:center;gap:20px;display:flex}.preview-heading span,.preview-command>span{color:var(--blue);font-family:var(--font-mono);text-transform:uppercase;font-size:8px}.preview-heading h2{margin-top:2px;font-size:19px}.preview-account{align-items:center;gap:6px;font-size:8px;display:flex}.preview-account>span{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase}.preview-account b,.preview-account i{border:1px solid var(--line);background:var(--paper-3);border-radius:6px;padding:4px 7px;font-style:normal;font-weight:500}.preview-command{border:1px solid var(--blue-line);background-color:var(--blue-soft);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:18px 18px;border-radius:10px;margin-top:13px;padding:15px 17px}.preview-command h3{margin-top:3px;font-size:17px}.preview-command>p{color:var(--ink-soft);margin-top:3px;font-size:9px}.preview-command-actions{gap:7px;margin-top:10px;display:flex}.preview-command-actions>*{border:1px solid var(--line);background:var(--paper-3);color:var(--ink);border-radius:6px;align-items:center;gap:4px;padding:5px 8px;font-size:8px;display:inline-flex}.preview-command-actions>b{border-color:var(--ink);background:var(--ink);color:var(--paper)}.preview-command-actions>i{color:var(--ink-soft);background:0 0;border:0;align-self:center;font-style:normal}.preview-metrics{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px;display:grid}.preview-metrics>div{border:1px solid var(--line);background:var(--paper-3);border-radius:8px;flex-direction:column;padding:9px 10px;display:flex}.preview-metrics span,.preview-metrics small{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;font-size:8px}.preview-metrics b{font-family:var(--font-mono);margin:1px 0;font-size:15px}.preview-dashboard-grid{grid-template-columns:1.15fr .85fr;gap:8px;margin-top:8px;display:grid}.preview-next-card{background:var(--ink);min-width:0;min-height:145px;color:var(--paper);border-radius:9px;flex-direction:column;padding:12px;display:flex}.preview-next-card>span{color:#f6f3ec85;font-family:var(--font-mono);text-transform:uppercase;font-size:7px}.preview-next-card h3{color:var(--paper);font-family:var(--font-sans);margin:auto 0;font-size:12px;font-weight:400}.preview-next-card>p{color:#f6f3ec94;margin-top:3px;font-size:8px}.preview-next-card>div{justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding-top:10px;display:flex}.preview-next-card small{color:#f6f3ec7a;font-size:7px}.preview-next-card b{background:var(--paper);color:var(--ink);border-radius:5px;align-items:center;gap:3px;padding:4px 6px;font-size:7px;display:inline-flex}.preview-focus-card{border:1px solid var(--line);background:var(--paper-3);border-radius:9px;padding:11px}.preview-focus-card>div{justify-content:space-between;align-items:center;gap:5px;display:flex}.preview-focus-card h3{font-family:var(--font-sans);font-size:10px}.preview-focus-card>div span{color:var(--blue);font-size:7px}.preview-focus-card p{border-top:1px solid var(--line);flex-direction:column;margin-top:7px;padding-top:7px;display:flex;position:relative}.preview-focus-card p b{font-size:8px}.preview-focus-card p small{color:var(--ink-faint);font-size:6.5px}.preview-focus-card p i{color:var(--clay);background:#f5e4df;border-radius:4px;padding:2px 4px;font-size:6px;font-style:normal;position:absolute;top:9px;right:0}.preview-focus-card p i.report{border:1px solid var(--line);background:var(--paper-2);color:var(--ink-soft)}.preview-signal-row{border:1px solid var(--line);background:var(--paper-3);border-radius:8px;justify-content:space-between;align-items:center;gap:10px;margin-top:8px;padding:8px 10px;display:flex}.preview-signal-row>span:first-child{flex-direction:column;display:flex}.preview-signal-row small{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;font-size:6.5px}.preview-signal-row b{font-size:8px}.preview-signal-row>span:last-child{color:var(--blue);font-size:7px}.landing-section{padding:100px 0;scroll-margin-top:68px}.landing-section-heading{text-align:center;flex-direction:column;align-items:center;max-width:650px;margin:0 auto 48px;display:flex}.landing-section-heading>span,.landing-showcase-copy>span{color:var(--blue);font-family:var(--font-mono);text-transform:uppercase;font-size:11px}.landing-section-heading h2{margin-top:14px;font-size:43px}.landing-section-heading p{max-width:560px;color:var(--ink-soft);margin-top:15px;font-size:16px}.landing-steps{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.landing-step{border:1px solid var(--line);background:var(--paper-2);transform-origin:50%;border-radius:14px;flex-direction:column;align-items:flex-start;min-height:300px;padding:24px 21px;transition:transform .28s cubic-bezier(.2,.75,.25,1),border-color .28s,box-shadow .28s;display:flex}.landing-step-icon{border:1px solid var(--blue-line);background:var(--blue-soft);width:43px;height:43px;color:var(--blue);border-radius:11px;place-items:center;display:grid}.landing-step-icon.violet{color:var(--violet);background:#efe6f6;border-color:#dfcfec}.landing-step-icon.green{background:var(--green-soft);color:var(--green);border-color:#cfe3d4}.landing-step-icon.gold{background:var(--gold-soft);color:#9b7419;border-color:#ead9ad}.landing-step-number{color:var(--blue);font-family:var(--font-mono);margin-top:16px;font-size:10px}.landing-step h3{margin-top:5px;font-size:20px}.landing-step-role{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;margin-top:7px;font-size:9.5px}.landing-step p{color:var(--ink-soft);margin-top:10px;font-size:13px;line-height:1.55}.landing-feature-list{flex-direction:column;gap:104px;display:flex}.landing-feature-row{grid-template-columns:minmax(0,1.55fr) minmax(270px,.75fr);align-items:center;gap:64px;display:grid}.landing-feature-media{border:1px solid var(--line);background:var(--paper-3);border-radius:15px;min-width:0;overflow:hidden;box-shadow:0 28px 62px -40px #1b1a179e}.feature-browser-bar{border-bottom:1px solid var(--line);background:var(--paper-3);align-items:center;gap:5px;height:32px;padding:0 11px;display:flex}.feature-browser-bar>span{background:#d99b98;border-radius:50%;width:7px;height:7px}.feature-browser-bar>span:nth-child(2){background:#dec789}.feature-browser-bar>span:nth-child(3){background:#9fc4a7}.feature-browser-bar b{color:var(--ink-faint);font-family:var(--font-mono);margin-left:7px;font-size:8px;font-weight:400}.feature-app-header{border-bottom:1px solid var(--line);background:var(--paper-2);justify-content:space-between;align-items:center;gap:16px;height:54px;padding:0 20px;display:flex}.feature-app-header>div{flex-direction:column;line-height:1.25;display:flex}.feature-app-header small{color:var(--blue);font-family:var(--font-mono);text-transform:uppercase;font-size:7px}.feature-app-header strong{font-family:var(--font-serif);font-size:14px}.feature-app-header>span{border:1px solid var(--line);background:var(--paper-3);color:var(--ink-soft);font-family:var(--font-mono);border-radius:6px;padding:4px 7px;font-size:7px}.feature-screen{background:var(--paper);text-align:left;min-height:335px;padding:24px}.landing-feature-copy>div{align-items:center;gap:12px;display:flex}.landing-feature-copy>div>b{color:var(--ink-faint);font-family:var(--font-mono);font-size:10px;font-weight:500}.landing-feature-copy>span{color:var(--blue);font-family:var(--font-mono);text-transform:uppercase;margin-top:20px;font-size:10px;display:block}.landing-feature-copy h3{margin-top:9px;font-size:39px}.landing-feature-copy>p{color:var(--ink-soft);margin-top:16px;font-size:15px;line-height:1.7}.landing-feature-copy>a{border-bottom:1px solid var(--ink);align-items:center;gap:7px;margin-top:22px;padding-bottom:3px;font-size:13px;font-weight:600;display:inline-flex}.landing-feature-copy>a:hover{border-color:var(--blue);color:var(--blue)}.feature-panel-heading{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.feature-panel-heading>div{flex-direction:column;display:flex}.feature-panel-heading span,.feature-test>span,.feature-mistake-columns header span,.feature-plan-today header span{color:var(--blue);font-family:var(--font-mono);text-transform:uppercase;font-size:7px}.feature-panel-heading h4{margin-top:3px;font-size:17px}.feature-panel-heading>b{border:1px solid var(--line);color:var(--ink-soft);font-family:var(--font-mono);border-radius:6px;padding:4px 7px;font-size:7px}.feature-practice>p{max-width:530px;color:var(--ink-soft);margin-top:8px;font-size:8px}.feature-topic-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px;display:grid}.feature-topic-grid>span{border:1px solid var(--line);background:var(--paper-3);border-radius:7px;grid-template-columns:10px 1fr;align-items:center;gap:7px;padding:10px;font-size:9px;font-weight:600;display:grid}.feature-topic-grid>span.selected{border-color:var(--blue);background:var(--blue-soft)}.feature-topic-grid i{background:var(--clay);border-radius:2px;width:8px;height:8px}.feature-topic-grid>span:nth-child(2) i{background:var(--blue)}.feature-topic-grid>span:nth-child(3) i{background:#2f9f91}.feature-topic-grid>span:nth-child(4) i{background:var(--gold)}.feature-topic-grid>span:nth-child(5) i{background:var(--green)}.feature-topic-grid>span:nth-child(6) i{background:var(--violet)}.feature-topic-grid small{color:var(--ink-faint);grid-column:2;font-size:7px;font-weight:400}.feature-primary-action{justify-content:space-between;align-items:center;gap:12px;margin-top:18px;display:flex}.feature-primary-action b,.feature-test-answer footer strong{background:var(--ink);color:var(--paper);border-radius:6px;align-items:center;gap:5px;padding:7px 9px;font-size:8px;display:inline-flex}.feature-primary-action>span{color:var(--ink-faint);font-family:var(--font-mono);font-size:7px}.feature-test{background:var(--paper);color:var(--ink);padding:14px 16px}.feature-test-progress{border:1px solid var(--line);background:var(--paper-3);border-radius:7px;grid-template-columns:1fr auto;align-items:center;gap:18px;padding:8px 10px;display:grid}.feature-test-progress>span:first-child{flex-direction:column;gap:5px;display:flex}.feature-test-progress b,.feature-test-progress small{font-family:var(--font-mono);text-transform:uppercase;font-size:7px}.feature-test-progress i{background:var(--line-2);border-radius:5px;height:4px;overflow:hidden}.feature-test-progress i em{background:var(--blue);width:10%;height:100%;display:block}.feature-test-progress>span:last-child{flex-direction:column;align-items:flex-end;display:flex}.feature-test-progress>span:last-child b{color:var(--ink);font-size:12px}.feature-test-workspace{grid-template-columns:1.55fr .85fr;gap:8px;margin-top:8px;display:grid}.feature-test-problem{border:1px solid var(--line);background-color:var(--paper);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:18px 18px;border-radius:7px;grid-template-columns:34px 1fr;min-width:0;display:grid;overflow:hidden}.feature-test-problem nav{border-right:1px solid var(--line);background:#fdfcf9d9;flex-direction:column;align-items:center;gap:7px;padding:10px 5px;display:flex}.feature-test-problem nav span{font-family:var(--font-mono);align-items:center;gap:4px;font-size:6px;display:flex}.feature-test-problem nav i{border:1px solid var(--line);background:var(--paper-3);border-radius:50%;width:7px;height:7px}.feature-test-problem nav span.active{color:var(--blue);font-weight:700}.feature-test-problem nav span.active i{border-color:var(--blue)}.feature-test-problem article{min-width:0;padding:15px 14px}.feature-test-problem article header{justify-content:space-between;align-items:center;gap:8px;display:flex}.feature-test-problem article header b{align-items:center;gap:5px;font-size:8px;display:inline-flex}.feature-test-problem article header b i{background:var(--blue);border-radius:2px;width:8px;height:8px}.feature-test-problem article header span{color:var(--ink-soft);font-family:var(--font-mono);font-size:6px}.feature-test-problem article h4{margin-top:15px;font-size:12px}.feature-test-problem article p{font-family:var(--font-serif);margin-top:12px;font-size:10px;line-height:1.5}.feature-test-problem article p em{font-style:italic}.feature-test-answer{border:1px solid var(--line);background:var(--paper-3);border-radius:7px;padding:12px}.feature-test-answer h4{font-size:12px}.feature-test-answer>p{color:var(--ink-soft);margin-top:6px;font-size:7px;line-height:1.4}.feature-test-answer>b{color:var(--ink-soft);margin-top:9px;font-size:7px;display:block}.feature-test-answer>div{border:1px solid var(--line);height:58px;color:var(--ink-faint);font-family:var(--font-mono);border-radius:6px;margin-top:5px;padding:8px;font-size:7px}.feature-test-answer footer{flex-wrap:wrap;justify-content:flex-end;gap:5px;margin-top:7px;display:flex}.feature-test-answer footer span{border:1px solid var(--line);border-radius:5px;padding:4px 5px;font-size:6px}.feature-test-answer footer strong{padding:5px 7px;font-size:6px}.feature-mini-stats{grid-template-columns:repeat(3,1fr);gap:7px;display:grid}.feature-mini-stats>span{border:1px solid var(--line);background:var(--paper-3);border-radius:7px;flex-direction:column;padding:9px;display:flex}.feature-mini-stats small{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;font-size:6.5px}.feature-mini-stats b{font-family:var(--font-mono);margin-top:2px;font-size:14px}.feature-mini-stats em{color:var(--ink-soft);margin-top:2px;font-size:5.5px;font-style:normal}.feature-mistake-columns{grid-template-columns:1.15fr .85fr;gap:8px;margin-top:9px;display:grid}.feature-mistake-columns>div{border:1px solid var(--line);background:var(--paper-3);border-radius:8px;min-width:0;padding:11px}.feature-mistake-columns header{flex-direction:column;padding-bottom:7px;display:flex;position:relative}.feature-mistake-columns header b{font-family:var(--font-serif);font-size:11px}.feature-mistake-columns header em{background:var(--blue-soft);color:var(--blue);border-radius:5px;padding:2px 5px;font-size:6px;font-style:normal;position:absolute;top:0;right:0}.feature-mistake-columns p{border-top:1px solid var(--line);align-items:center;gap:7px;min-width:0;margin-top:7px;padding-top:7px;display:flex}.feature-mistake-columns p>i{background:var(--blue-soft);width:27px;height:27px;color:var(--blue);border-radius:5px;flex:none;place-items:center;font-size:6px;font-style:normal;display:grid}.feature-mistake-columns p>span{flex-direction:column;flex:1;min-width:0;display:flex}.feature-mistake-columns p b{text-overflow:ellipsis;white-space:nowrap;font-size:7px;overflow:hidden}.feature-mistake-columns p small{color:var(--ink-faint);font-size:6px}.feature-mistake-columns p em{background:var(--blue-soft);color:var(--blue);border-radius:4px;padding:2px 4px;font-size:6px;font-style:normal}.feature-mistake-tags{flex-wrap:wrap;gap:4px;margin-top:8px;display:flex}.feature-mistake-tags span{background:var(--blue-soft);color:var(--blue-deep);border-radius:5px;padding:2px 5px;font-size:5.5px}.feature-plan{padding:18px 20px}.feature-plan-status{border:1px solid var(--line);background:var(--paper-3);color:var(--ink-soft);border-radius:7px;justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;font-size:7px;display:flex}.feature-plan-status>span{align-items:center;gap:5px;display:inline-flex}.feature-plan-status>span:first-child small{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;font-size:6px}.feature-plan-status>span:last-child>b{background:var(--ink);color:var(--paper);border-radius:4px;padding:3px 5px}.feature-plan-today{border:1px solid var(--blue-line);background-color:var(--blue-soft);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:18px 18px;border-radius:8px;margin-top:8px;padding:12px}.feature-plan-today header{justify-content:space-between;align-items:center;gap:14px;display:flex}.feature-plan-today header h4{margin-top:2px;font-size:13px}.feature-plan-today header>b{background:var(--ink);color:var(--paper);border-radius:5px;align-items:center;gap:4px;padding:5px 7px;font-size:7px;display:inline-flex}.feature-plan-today>div{border-top:1px solid var(--blue-line);grid-template-columns:repeat(4,1fr);margin-top:10px;display:grid}.feature-plan-today>div span{flex-direction:column;padding-top:7px;display:flex}.feature-plan-today>div b{font-family:var(--font-mono);font-size:12px}.feature-plan-today>div small{color:var(--ink-faint);font-size:6px}.feature-plan-session{border:1px solid var(--line);background:var(--paper-3);border-radius:7px;grid-template-columns:24px 1fr 54px 54px;align-items:center;gap:8px;margin-top:7px;padding:8px 10px;display:grid}.feature-plan-session>span{font-family:var(--font-mono);font-size:7px}.feature-plan-session>div{flex-direction:column;min-width:0;display:flex}.feature-plan-session>div b{font-size:8px}.feature-plan-session small{color:var(--ink-faint);font-size:6px;font-weight:400}.feature-plan-session>b{font-family:var(--font-mono);font-size:9px}.feature-plan-details{grid-template-columns:.75fr 1.25fr;gap:10px;margin-top:10px;display:grid}.feature-plan-details>div>span{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;font-size:6.5px}.feature-plan-details p{flex-wrap:wrap;gap:4px;margin-top:6px;display:flex}.feature-plan-details p b{background:var(--blue-soft);color:var(--blue-deep);border-radius:6px;padding:3px 6px;font-size:6px}.feature-plan-details ul{color:var(--ink-soft);margin:5px 0 0;padding-left:12px;font-size:6px;line-height:1.55}.feature-plan-details li::marker{color:var(--blue)}.landing-product-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}.landing-showcase-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.landing-showcase-card{border:1px solid var(--line);background:var(--paper-3);box-shadow:var(--shadow-sm);transform-origin:50%;border-radius:14px;transition:transform .28s cubic-bezier(.2,.75,.25,1),border-color .28s,box-shadow .28s;overflow:hidden}.skill-visual,.question-visual,.roadmap-visual{border-bottom:1px solid var(--line);background-color:var(--paper);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:20px 20px;min-height:270px;padding:24px}.skill-visual{flex-direction:column;justify-content:center;gap:12px;display:flex}.skill-row>div:first-child{color:var(--ink-soft);justify-content:space-between;font-size:11px;display:flex}.skill-row b{font-family:var(--font-mono);font-size:10px;font-weight:500}.skill-row>div:last-child{background:var(--line-2);border-radius:8px;height:6px;margin-top:5px;overflow:hidden}.skill-row i{border-radius:inherit;background:var(--blue);height:100%;display:block}.skill-row i.strong{background:var(--green)}.skill-row i.weak{background:var(--clay)}.question-visual{flex-direction:column;justify-content:center;gap:9px;display:flex}.question-visual>span{color:var(--violet);font-family:var(--font-mono);background:#efe6f6;border:1px solid #dfcfec;border-radius:999px;align-self:flex-start;padding:3px 8px;font-size:9px}.question-visual p{font-family:var(--font-serif);margin:3px 0 5px;font-size:15px}.question-visual>div{border:1px solid var(--line);background:var(--paper-3);color:var(--ink-soft);border-radius:7px;padding:7px 10px;font-size:11px}.question-visual>div.selected{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-deep)}.roadmap-visual{flex-direction:column;justify-content:center;display:flex}.roadmap-item{gap:12px;min-height:64px;display:flex;position:relative}.roadmap-item:not(:last-child):after{content:"";background:var(--line);width:2px;position:absolute;top:20px;bottom:2px;left:5px}.roadmap-item>span{z-index:1;border:2px solid var(--gold);background:var(--paper);border-radius:50%;flex:none;width:12px;height:12px;margin-top:4px;position:relative}.roadmap-item.active>span{background:var(--gold)}.roadmap-item>div{flex-direction:column;display:flex}.roadmap-item b{font-size:11px}.roadmap-item small{color:var(--ink-soft);margin-top:2px;font-size:10px}.landing-showcase-copy{padding:20px 21px 22px}.landing-showcase-copy h3{margin-top:8px;font-size:18px}.landing-showcase-copy p{color:var(--ink-soft);margin-top:7px;font-size:13px}.landing-students-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);overflow:hidden}.landing-reviews-shell{position:relative}.landing-quotes{scroll-behavior:smooth;scroll-snap-type:x mandatory;scrollbar-width:none;gap:20px;padding:20px 2px 34px;display:flex;overflow-x:auto}.landing-quotes::-webkit-scrollbar{display:none}.landing-quote{border:1px solid var(--line);background:var(--paper-3);min-height:330px;box-shadow:var(--shadow-sm);scroll-snap-align:start;transform-origin:50%;border-radius:14px;flex-direction:column;flex:0 0 clamp(270px,30vw,340px);padding:29px;transition:transform .28s cubic-bezier(.2,.75,.25,1),border-color .28s,box-shadow .28s;display:flex}.landing-quote:nth-child(2n){min-height:300px;margin-top:40px}.landing-quote:nth-child(3){min-height:365px}.quote-mark{height:34px;color:var(--ink);font-family:var(--font-serif);font-size:50px;line-height:1}.landing-quote blockquote{color:var(--ink);font-family:var(--font-serif);margin:13px 0 25px;font-size:18px;line-height:1.55}.landing-review-controls{border-top:1px solid #1b1a1724;justify-content:space-between;align-items:center;gap:20px;padding-top:22px;display:flex}.landing-review-controls>span{color:var(--ink-faint);font-family:var(--font-mono);font-size:10px}.landing-review-controls>div{gap:8px;display:flex}.landing-review-controls button{border:1px solid var(--ink);width:46px;height:46px;color:var(--ink);cursor:pointer;background:0 0;border-radius:50%;place-items:center;transition:background .18s,color .18s,opacity .18s;display:grid}.landing-review-controls button:hover:not(:disabled){background:var(--ink);color:var(--paper)}.landing-review-controls button:disabled{border-color:var(--line);color:var(--ink-faint);cursor:default;opacity:.5}.landing-stats{border:1px solid var(--line);background:var(--paper-2);border-radius:14px;grid-template-columns:repeat(4,1fr);margin-top:48px;display:grid;overflow:hidden}.landing-stats>div{border-right:1px solid var(--line);text-align:center;flex-direction:column;align-items:center;padding:22px;display:flex}.landing-stats>div:last-child{border-right:0}.landing-stats b{color:var(--blue-deep);font-family:var(--font-serif);font-size:30px;font-weight:600}.landing-stats span{color:var(--ink-soft);font-family:var(--font-mono);text-transform:uppercase;margin-top:3px;font-size:9.5px}.landing-learn-section{border-top:1px solid var(--line)}.landing-videos{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.landing-video{flex-direction:column;gap:9px;display:flex}.landing-video-image{aspect-ratio:16/9;border:1px solid var(--line);background:var(--blue-soft);border-radius:10px;transition:transform .18s,box-shadow .18s;position:relative;overflow:hidden}.landing-video:hover .landing-video-image{box-shadow:var(--shadow);transform:translateY(-3px)}.landing-video-image img{object-fit:cover;width:100%;height:100%}.landing-video-category{color:var(--paper);font-family:var(--font-mono);text-transform:uppercase;background:#1b1a17d1;border-radius:5px;padding:3px 8px;font-size:8.5px;position:absolute;top:8px;left:8px}.landing-play{border:1px solid var(--line);width:48px;height:48px;color:var(--ink);background:#fdfcf9f0;border-radius:50%;place-items:center;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.landing-video h3{font-family:var(--font-sans);font-size:14px;line-height:1.35}.landing-video>span{color:var(--ink-faint);font-family:var(--font-mono);font-size:10px}.landing-centered-action{justify-content:center;margin-top:34px;display:flex}.landing-team-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}.landing-founder{border:1px solid var(--line);background:var(--paper-3);max-width:650px;box-shadow:var(--shadow);text-align:center;border-radius:16px;flex-direction:column;align-items:center;margin:0 auto;padding:34px;display:flex;position:relative;overflow:hidden}.landing-founder:before{content:"";background:var(--blue);height:4px;position:absolute;top:0;left:0;right:0}.landing-founder>img{object-fit:cover;border-radius:20px;width:92px;height:92px;box-shadow:0 14px 28px -18px #1b1a17a6}.landing-founder h3{margin-top:15px;font-size:25px}.landing-founder>span{border:1px solid var(--blue-line);background:var(--blue-soft);color:var(--blue-deep);font-family:var(--font-mono);text-transform:uppercase;border-radius:999px;margin-top:8px;padding:4px 11px;font-size:9px}.landing-founder>p{max-width:520px;color:var(--ink-soft);margin-top:13px;font-size:14px}.landing-founder>div{gap:8px;margin-top:16px;display:flex}.landing-founder a{border:1px solid var(--line);background:var(--paper-2);color:var(--ink-soft);border-radius:7px;align-items:center;gap:6px;padding:6px 10px;font-size:11px;display:inline-flex}.landing-founder a:hover{border-color:var(--blue);color:var(--blue)}.landing-core-label{justify-content:center;align-items:center;gap:14px;margin:42px 0 22px;display:flex}.landing-core-label:before,.landing-core-label:after{content:"";background:var(--line);width:80px;height:1px}.landing-core-label span{color:var(--ink-faint);font-family:var(--font-mono);text-transform:uppercase;font-size:9.5px}.landing-team-grid{grid-template-columns:repeat(2,1fr);gap:18px;max-width:820px;margin:0 auto;display:grid}.landing-team-member{border:1px solid var(--line);background:var(--paper-3);border-radius:13px;align-items:center;gap:17px;padding:20px;display:flex}.landing-team-member img{object-fit:cover;border-radius:13px;flex:none;width:66px;height:66px}.landing-team-member h3{font-size:16px}.landing-team-member span{color:var(--blue);font-family:var(--font-mono);text-transform:uppercase;margin-top:3px;font-size:8px;display:block}.landing-team-member p{color:var(--ink-soft);margin-top:7px;font-size:11.5px}.landing-final-section{padding:84px 0}.landing-final-cta{background:var(--ink);color:var(--paper);text-align:center;border-radius:18px;flex-direction:column;align-items:center;padding:64px 30px;display:flex;position:relative;overflow:hidden}.landing-final-cta>:not(.landing-final-grid){position:relative}.landing-final-grid{background-image:linear-gradient(#f6f3ec0d 1px,#0000 1px),linear-gradient(90deg,#f6f3ec0d 1px,#0000 1px);-webkit-mask-image:linear-gradient(#000,#0000);mask-image:linear-gradient(#000,#0000)}.landing-final-cta>svg{color:var(--gold)}.landing-final-cta h2{max-width:680px;color:var(--paper);margin-top:12px;font-size:43px}.landing-final-cta h2 em{color:#93afe5}.landing-final-cta p{color:#f6f3ecad;margin-top:13px;font-size:16px}.landing-final-cta .landing-button{margin-top:24px}.landing-final-cta>span{color:#f6f3ec6b;font-family:var(--font-mono);text-transform:uppercase;margin-top:10px;font-size:9.5px}.landing-footer{border-top:1px solid var(--line);padding:58px 0 24px}.landing-footer-grid{grid-template-columns:2fr repeat(3,1fr);gap:38px;display:grid}.landing-footer-brand p{max-width:300px;color:var(--ink-soft);margin-top:13px;font-size:13px}.landing-footer-column{flex-direction:column;gap:8px;display:flex}.landing-footer-column h3{font-family:var(--font-sans);margin-bottom:5px;font-size:12px}.landing-footer-column a{color:var(--ink-soft);font-size:12px}.landing-footer-column a:hover{color:var(--blue)}.landing-footer-bottom{border-top:1px solid var(--line);color:var(--ink-faint);justify-content:space-between;align-items:center;margin-top:42px;padding-top:20px;font-size:10px;display:flex}.landing-footer-bottom>div{gap:7px;display:flex}.landing-footer-bottom a{border:1px solid var(--line);background:var(--paper-2);border-radius:8px;place-items:center;width:34px;height:34px;display:grid}.landing-footer-bottom a:hover{border-color:var(--blue);color:var(--blue)}.landing-reveal{opacity:0;transition:opacity .55s,transform .55s;transform:translateY(18px)}.landing-reveal.visible{opacity:1;transform:none}@media (hover:hover) and (pointer:fine){.landing-step:hover,.landing-showcase-card:hover,.landing-quote:hover{border-color:var(--blue-line);transform:translateY(-3px)scale(1.015);box-shadow:0 2px #1b1a1708,0 22px 42px -28px #1b1a1757}}@media (width<=980px){.landing-nav-links{display:none}.landing-nav-actions{margin-left:auto}.landing-menu-button{display:grid}.landing-mobile-menu{border-top:1px solid var(--line);background:var(--paper);flex-direction:column;align-items:stretch;gap:4px;padding:10px 20px 18px;display:flex}.landing-mobile-menu>a{color:var(--ink-soft);padding:9px 6px;font-size:14px}.landing-mobile-menu>.landing-button{color:var(--paper);margin-top:4px}.landing-steps{grid-template-columns:repeat(2,1fr)}.landing-step{min-height:260px}.landing-feature-row{grid-template-columns:minmax(0,1.35fr) minmax(240px,.65fr);gap:34px}.landing-feature-copy h3{font-size:34px}.feature-screen{min-height:310px;padding:20px}.landing-dashboard{grid-template-columns:160px minmax(0,1fr)}.preview-workspace{padding:18px}}@media (width<=760px){.landing-wrap{width:min(100% - 32px,1160px)}.landing-nav-actions{display:none}.landing-hero{padding-top:52px}.landing-hero h1{font-size:50px}.landing-hero-promise{font-size:34px}.landing-hero-summary{max-width:510px;font-size:17px}.landing-trust{flex-wrap:wrap;gap:8px 12px}.landing-product-preview{margin-top:42px}.landing-dashboard{grid-template-columns:1fr;min-height:400px}.preview-sidebar{display:none}.landing-section{padding:76px 0}.landing-section-heading{margin-bottom:36px}.landing-section-heading h2{font-size:35px}.landing-showcase-grid,.landing-videos{grid-template-columns:1fr}.landing-showcase-grid{max-width:540px;margin:0 auto}.landing-feature-list{gap:78px}.landing-feature-row{grid-template-columns:1fr;gap:28px}.landing-feature-copy{max-width:580px}.landing-feature-copy>span{margin-top:14px}.landing-feature-copy h3{font-size:32px}.landing-video{max-width:560px;margin:0 auto}.landing-stats{grid-template-columns:repeat(2,1fr)}.landing-stats>div:nth-child(2){border-right:0}.landing-stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.landing-team-grid{grid-template-columns:1fr;max-width:520px}.landing-footer-grid{grid-template-columns:2fr 1fr 1fr}.landing-footer-column:last-child{display:none}}@media (width<=520px){.landing-wrap{width:min(100% - 24px,1160px)}.landing-nav-inner{min-height:62px}.landing-brand{font-size:16px}.landing-brand-symbol{width:34px;height:34px}.landing-hero{padding-top:40px}.landing-badge{font-size:9.5px}.landing-hero h1{margin-top:18px;font-size:40px}.landing-hero-promise{margin-top:9px;font-size:29px}.landing-hero-summary{font-size:15px}.landing-hero-actions{flex-direction:column;align-items:stretch;width:100%;max-width:310px}.landing-trust i{display:none}.landing-trust span{width:100%}.landing-product-preview{width:calc(100% - 16px)}.landing-browser-url{text-overflow:ellipsis;white-space:nowrap;max-width:190px;overflow:hidden}.preview-workspace{padding:14px}.preview-heading h2{font-size:16px}.preview-account{display:none}.preview-command{padding:13px}.preview-command h3{font-size:15px}.preview-metrics{gap:6px}.preview-metrics>div{padding:9px 7px}.preview-metrics b{font-size:14px}.preview-dashboard-grid{grid-template-columns:1fr}.preview-focus-card{display:none}.landing-section{padding:64px 0;scroll-margin-top:62px}.landing-section-heading h2{font-size:29px}.landing-section-heading p{font-size:14px}.landing-steps{grid-template-columns:1fr}.landing-step{min-height:auto}.landing-feature-list{gap:62px}.feature-app-header{height:48px;padding:0 13px}.feature-app-header>span{display:none}.feature-screen{min-height:300px;padding:16px}.feature-topic-grid{grid-template-columns:repeat(2,1fr);gap:6px;margin-top:12px}.feature-topic-grid>span{padding:7px 8px}.feature-primary-action{margin-top:12px}.feature-mistake-columns{grid-template-columns:1fr}.feature-mistake-columns>div:last-child{display:none}.feature-plan-session{grid-template-columns:21px 1fr 46px}.feature-plan-session>b:last-child{display:none}.landing-quote{flex-basis:min(82vw,320px);min-height:300px;padding:24px}.landing-quote:nth-child(2n){margin-top:24px}.landing-quote blockquote{font-size:16px}.landing-founder{padding:28px 20px}.landing-team-member{align-items:flex-start;padding:16px}.landing-final-section{padding:64px 0}.landing-final-cta{padding:48px 20px}.landing-final-cta h2{font-size:30px}.landing-footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}.landing-footer-brand{grid-column:1/-1}.landing-footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}}@media (prefers-reduced-motion:reduce){.landing-reveal{opacity:1;transition:none;transform:none}.landing-step,.landing-showcase-card,.landing-quote{transition:none}.landing-step:hover,.landing-showcase-card:hover,.landing-quote:hover{transform:none}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.1"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
