.student-design{--color-primary:var(--student-brand-color,#2454ff);--color-accent:var(--student-brand-color,#2454ff);--color-fg:#142044;--color-fg-secondary:#657394;--color-border:#e5eaf3;--color-surface:#fff;--color-bg-secondary:#fff;--color-bg-tertiary:#eef2fa;color:#142044;background:#f5f7fb}.student-sidebar{background:#fff;min-width:230px;max-width:250px;height:100dvh;position:sticky;top:0}.student-auth{background:radial-gradient(at 50% 35%,#edf2ff,#0000 65%),#f7f9fc;flex-direction:column;min-height:100dvh;display:flex}.student-auth-header{justify-content:space-between;align-items:center;gap:20px;padding:32px 5vw;display:flex}.student-auth-header>a{color:#657394;align-items:center;gap:8px;font-size:14px;display:flex}.student-auth-main{flex:1;place-items:center;padding:32px 20px;display:grid}.student-auth-card{background:#fff;border:1px solid #e1e7f2;border-radius:24px;width:100%;max-width:480px;padding:40px;box-shadow:0 18px 60px #233d7210,0 2px 6px #233d7205}.student-school{border-bottom:1px solid #e5eaf3;align-items:center;gap:16px;margin-bottom:28px;padding-bottom:26px;display:flex}.student-school-icon{width:56px;height:56px;color:var(--color-primary);background:#f1f4fc;border-radius:14px;flex-shrink:0;place-items:center;display:grid;overflow:hidden}.student-school-icon img{object-fit:contain;width:100%;height:100%}.student-school strong{margin-top:5px;font-size:19px;display:block}.student-eyebrow{text-transform:uppercase;letter-spacing:.09em;color:#657394;font-size:10px;font-weight:600}.student-auth-card h1{letter-spacing:-.035em;font-size:30px;font-weight:650;line-height:1.2}.student-auth-subtitle{color:#657394;margin:10px 0 28px;font-size:15px;line-height:1.6}.student-auth-card input{border-radius:10px;min-height:48px}.student-auth-footer{text-align:center;color:#657394;padding:28px 16px;font-size:12px}.student-panel{background:#fff;border:1px solid #e5eaf3;border-radius:18px;min-width:0;padding:24px;box-shadow:0 3px 16px #18336103}.student-panel h2{letter-spacing:-.025em;font-size:21px;font-weight:650}.student-panel-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.student-link{color:var(--color-primary);align-items:center;gap:6px;font-size:13px;font-weight:500;display:inline-flex}.student-muted{color:#657394;font-size:14px;line-height:1.6}.student-cta{background:var(--color-primary);color:#fff;border-radius:10px;justify-content:center;align-items:center;gap:10px;padding:13px 20px;font-size:14px;font-weight:600;transition:background .15s;display:inline-flex}.student-cta:hover{background:color-mix(in srgb,var(--color-primary),black 15%)}.student-row{border-top:1px solid #edf0f6;justify-content:space-between;align-items:center;gap:14px;padding:16px 0;display:flex}.student-row:first-of-type{border-top:0}.student-row strong{font-size:14px;font-weight:550;display:block}.student-design a:focus-visible,.student-design button:focus-visible{outline-offset:4px;outline:3px solid #91aaff}.student-course{border:1px solid #e5eaf3;border-radius:13px;transition:box-shadow .2s;overflow:hidden}.student-course:hover{box-shadow:0 6px 24px #18336112}.student-filter{color:#657394;border-radius:8px;padding:6px 10px;font-size:12px}.student-filter[aria-pressed=true]{color:var(--color-primary);background:#edf2ff}.student-mobile-nav{background:#fff;border-bottom:1px solid #e5eaf3;gap:6px;padding:8px 16px;display:flex;overflow-x:auto}.student-mobile-nav a{white-space:nowrap;padding:8px 10px;font-size:12px}.student-mobile-nav a[aria-current=page]{color:var(--color-primary);background:#edf2ff;border-radius:8px}@media (min-width:768px){.student-mobile-nav{display:none}}@media (max-width:600px){.student-auth-header{padding:24px}.student-auth-header img{width:150px}.student-auth-card{padding:28px 24px}.student-auth-card h1{font-size:26px}.student-panel{padding:20px}.student-panel-heading{flex-wrap:wrap;align-items:flex-start}}.student-auth-card button[type=submit]{background:var(--color-primary);color:#fff;border-radius:10px}.student-auth-card button[type=submit]:hover{background:color-mix(in srgb,var(--color-primary),black 15%)}.student-auth-card button[type=submit]:disabled{background:color-mix(in srgb,var(--color-primary),white 65%)}.catalog-title{letter-spacing:-.035em;font-size:clamp(28px,3vw,40px);font-weight:650;line-height:1.2}.catalog-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.catalog-tabs{flex-wrap:wrap;gap:8px;display:flex}.catalog-tab{color:#142044;cursor:pointer;background:#fff;border:1px solid #e4eaf5;border-radius:13px;align-items:center;gap:12px;padding:13px 18px;font-size:14px;transition:background .15s;display:flex}.catalog-tab span{background:#eff2f8;border-radius:20px;min-width:24px;padding:2px 7px;font-size:12px}.catalog-tab[aria-pressed=true]{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.catalog-tab[aria-pressed=true] span{background:#ffffff26}.catalog-search{color:#8090b1;background:#fff;border:1px solid #dfe6f2;border-radius:12px;align-items:center;gap:10px;max-width:100%;min-height:48px;padding:0 15px;display:flex}.catalog-search input{color:#142044;background:0 0;outline:none;width:220px;min-width:0;max-width:100%;font-size:14px}.catalog-search:focus-within{outline-offset:2px;outline:2px solid #91aaff}.catalog-select{background:#fff;border:1px solid #dfe6f2;border-radius:12px;max-width:220px;padding:12px;font-size:14px}.catalog-course-card{background:#fff;border:1px solid #e4eaf5;border-radius:18px;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 5px 22px #18336104}.catalog-course-status{color:var(--color-primary);background:#fffe;border-radius:24px;padding:8px 14px;font-size:13px;font-weight:550;position:absolute;top:20px;left:20px}.catalog-course-content{flex-direction:column;flex:1;gap:22px;padding:25px;display:flex}.catalog-course-content h2{letter-spacing:-.02em;overflow-wrap:anywhere;font-size:21px;font-weight:650;line-height:1.4}.catalog-course-progress{align-items:center;gap:16px;margin-top:auto;display:flex}.catalog-course-progress>span{color:#657394;white-space:nowrap;font-size:13px}.catalog-course-actions{flex-wrap:wrap;gap:12px;display:flex}.catalog-course-actions>a{white-space:nowrap;flex:1}.catalog-outline,.catalog-program{border:1px solid var(--color-primary);color:var(--color-primary);border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 16px;font-size:14px;font-weight:500;transition:background .15s;display:inline-flex}.catalog-outline:hover{background:#eef3ff}.catalog-program{color:#405578;border-color:#dfe6f2}.catalog-program:hover{background:#f6f8fc}.catalog-empty{color:#657394;background:#fff;border:1px solid #e5eaf3;border-radius:18px;padding:45px 24px;line-height:1.7}.catalog-test-list{background:#fff;border:1px solid #e4eaf5;border-radius:18px;overflow:hidden}.catalog-test-head,.catalog-test-row{grid-template-columns:minmax(200px,2.5fr) minmax(140px,1fr) minmax(85px,.7fr) minmax(150px,1fr);align-items:center;gap:20px;padding:24px;display:grid}.catalog-test-head{color:#7a89a8;background:#fafbfe;padding-top:18px;padding-bottom:18px;font-size:13px}.catalog-test-row{border-top:1px solid #edf0f6;min-height:112px}.catalog-test-row>a{justify-self:end}.catalog-test-row h2{overflow-wrap:anywhere}.catalog-test-icon{width:48px;height:48px;color:var(--color-primary);background:#eef3ff;border-radius:13px;flex-shrink:0;place-items:center;display:grid}.catalog-badge{border-radius:30px;align-items:center;gap:8px;padding:7px 11px;font-size:12px;line-height:1.4;display:inline-flex}.catalog-badge:before{content:"";background:currentColor;border-radius:50%;flex-shrink:0;width:7px;height:7px}.catalog-badge.blue{color:var(--color-primary);background:#edf3ff}.catalog-badge.green{color:#23853f;background:#edf9ef}.catalog-badge.amber{color:#a76308;background:#fff5e5}.catalog-badge.gray{color:#657394;background:#f2f4f8}.catalog-result strong{font-size:16px;font-weight:550;display:block}.catalog-result span{color:#7a89a8;margin-top:4px;font-size:13px;display:block}.catalog-remediation{align-items:center;gap:20px;display:flex}@media (max-width:1100px){.catalog-test-head{display:none}.catalog-test-row{grid-template-columns:minmax(0,1fr) auto;gap:14px}.catalog-test-row>div:first-child,.catalog-test-row>a{grid-column:1/-1}.catalog-result{text-align:right}}@media (max-width:600px){.catalog-search,.catalog-search input,.catalog-toolbar>div{width:100%}.catalog-tab{gap:6px;padding:10px 12px;font-size:12px}.catalog-course-content{padding:20px}.catalog-course-content h2{font-size:19px}.catalog-course-actions{flex-direction:column}.catalog-course-status{top:12px;left:12px}.catalog-test-row{padding:20px}.catalog-remediation{flex-wrap:wrap}.catalog-remediation>a{width:100%}.catalog-remediation h2{font-size:18px}.catalog-select{width:100%;max-width:none}}.learning-page{width:100%;min-width:0;max-width:1280px;margin:0 auto}.learning-heading{overflow-wrap:anywhere;margin:24px 0 28px}.learning-columns{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:24px;display:grid}.learning-aside{min-width:0;position:sticky;top:88px}.learning-score{letter-spacing:-.04em;margin:16px 0;font-size:48px;font-weight:700;line-height:1.2}.learning-secondary{color:var(--color-primary);background:#f1f5fd;border:1px solid #dce5f5;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 18px;font-size:14px;font-weight:550;display:inline-flex}.learning-badge{color:#657394;background:#eef2f8;border-radius:20px;padding:3px 8px;font-size:10px;font-weight:500;line-height:1.5;display:inline-block}.learning-divider{background:#e5eaf3;height:1px;margin:24px 0}.course-progress{padding:0;overflow:hidden}.course-progress-body{padding:24px}.course-progress-body>.learning-secondary{width:100%}.course-program{padding:22px}.course-module{box-shadow:none;border-radius:14px}.course-module header{background:#fff}.course-module header button{padding:20px 16px}.course-module header button>span:first-child,.learning-number{color:#142044;background:#edf3ff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;min-width:36px;height:36px;font-size:12px;font-weight:600;display:inline-flex}.course-module li a:hover{background:#f2f6ff}:is(.student-design:has(.lesson-layout)>.student-sidebar,.student-design:has(.attempt-page)>.student-sidebar,.student-design:has(.lesson-layout) .student-mobile-nav,.student-design:has(.attempt-page) .student-mobile-nav){display:none}.lesson-layout{grid-template-columns:280px minmax(0,1fr);gap:28px;max-width:1480px;display:grid}.lesson-outline{max-height:calc(100dvh - 112px);padding:20px 16px;position:sticky;top:88px;overflow:auto}.lesson-outline h2{font-size:20px}.lesson-outline-module{border:1px solid #e5eaf3;border-radius:12px;margin-top:12px;overflow:hidden}.lesson-outline-module summary{cursor:pointer;align-items:center;gap:10px;padding:14px 10px;font-size:13px;font-weight:600;display:flex}.lesson-outline-module summary:after{content:"⌄";margin-left:auto}.lesson-outline-module[open] summary:after{content:"⌃"}.lesson-outline-module summary span:nth-child(2){overflow-wrap:anywhere;min-width:0}.lesson-outline-link{overflow-wrap:anywhere;border-radius:7px;flex-wrap:wrap;align-items:center;gap:7px;margin:3px 8px;padding:12px;font-size:12px;display:flex}.lesson-outline-link[aria-current=page]{color:var(--color-primary);box-shadow:inset 3px 0 var(--color-primary);background:#eaf1ff}.lesson-outline-link:hover{background:#f2f5fc}.lesson-content{min-width:0}.lesson-block{border-radius:16px;padding:24px}.lesson-block video,.lesson-block iframe{border-radius:12px;max-width:100%}.lesson-content>header{margin-bottom:24px}.lesson-content>header h1{font-size:34px}.attempt-page{max-width:1240px}.attempt-columns{grid-template-columns:minmax(0,1fr) 310px}.attempt-controls{grid-area:1/2}.attempt-controls+div{grid-area:1/1}.attempt-controls>div:first-of-type{flex-direction:column;align-items:flex-start;margin:20px 0}.attempt-controls>div:first-of-type>div{background:0 0;padding:10px 0;font-size:30px}.learning-question{overflow-wrap:anywhere;border-radius:16px;min-width:0;padding:26px;scroll-margin-top:90px}.learning-question label{border-radius:10px;padding:14px}.learning-question input[type=radio],.learning-question input[type=checkbox]{flex-shrink:0;width:18px;height:18px}.learning-question select{min-width:0;max-width:60%}.question-navigation{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;max-height:280px;padding:3px;display:grid;overflow:auto}.question-navigation button{background:#fff;border:1px solid #dbe4f4;border-radius:9px;height:40px;font-size:14px}.question-navigation .has-answer{color:var(--color-primary);background:#e4eeff;border-color:#d2e2ff;font-weight:600}.review-summary{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.review-actions{flex-wrap:wrap;gap:12px;margin-left:auto;display:flex}.review-page .learning-question>ul>li{flex-wrap:wrap}.review-page .learning-question>ul>li>span:first-child{min-width:120px}.review-page .learning-question>ul>li>span:last-child{max-width:100%}@media (max-width:1100px){.learning-columns{grid-template-columns:minmax(0,1fr) 280px;gap:18px}.lesson-layout{grid-template-columns:240px minmax(0,1fr);gap:20px}.learning-question{padding:20px}.course-program{padding:16px}}@media (max-width:850px){.learning-columns,.lesson-layout{grid-template-columns:minmax(0,1fr)}.learning-aside,.lesson-outline{max-height:none;position:static}.course-progress{grid-row:1;grid-template-columns:180px minmax(0,1fr);display:grid}.course-progress-body{padding:18px}.learning-score{margin:8px 0;font-size:34px}.lesson-outline{max-height:300px}.attempt-controls{grid-area:1}.attempt-controls+div{grid-area:2}.attempt-controls .question-navigation{grid-template-columns:repeat(auto-fill,minmax(36px,1fr));max-height:140px}.review-actions{margin-left:0}.learning-heading{margin:20px 0}.lesson-content>header h1{font-size:28px}}@media (max-width:480px){.course-progress{display:block}.course-progress>div:first-child{max-height:180px}.learning-question,.lesson-block{padding:16px}.course-module header button{gap:8px;padding:16px 12px}.course-module li>a>div,.course-module li>div>div{flex-wrap:wrap}.learning-heading .catalog-title,.catalog-title.learning-heading{font-size:28px}.review-summary{gap:14px;padding:18px}.review-actions{width:100%}.review-actions>a{flex:1}.lesson-outline{max-height:240px}}.learning-topbar-brand{display:none}.learning-topbar-brand img{object-fit:contain;width:170px;height:34px}:is(.student-design:has(.lesson-layout) .learning-topbar-brand,.student-design:has(.attempt-page) .learning-topbar-brand){display:block}.review-score-ring{border:7px solid;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:96px;height:96px;font-size:28px;font-weight:700;display:flex}.review-page .learning-aside section{border:0;margin-bottom:18px;padding:0}.review-page .learning-aside section>div{grid-template-columns:minmax(0,1fr)}.attempt-controls button.w-full,.lesson-content button{border-radius:10px}@media (max-width:480px){.learning-topbar-brand img{width:120px}.review-score-ring{border-width:5px;width:76px;height:76px;font-size:22px}}@media (max-width:850px){.attempt-controls{padding:18px}.attempt-controls>h2{display:none}.attempt-controls>div:first-of-type{flex-direction:row;align-items:center;margin:0 0 10px}.attempt-controls>div:first-of-type>div{padding:0;font-size:24px}.attempt-controls .learning-divider{margin:12px 0}.attempt-controls>p{font-size:12px}.attempt-controls>p:last-child{margin-top:10px}.attempt-controls>button{margin-top:12px}.attempt-controls>p.mt-4{margin-top:10px}}@media (max-width:480px){.course-progress>div:first-child{width:100%;max-height:none}}