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i{background:#3786f6}.lesson-canvas .lesson-top>b{text-align:right;color:#7f8ba2;min-width:42px}.lesson-canvas .lesson-title{max-width:760px;margin:0 auto;padding:72px 4px 25px}.lesson-canvas .lesson-title h1{font-size:38px}.lesson-canvas .lesson-title>span{max-width:760px}.lesson-canvas>.study-card,.lesson-canvas>.question{max-width:760px;margin-left:auto;margin-right:auto}.lesson-canvas .study-card,.lesson-canvas .question{box-shadow:none}.lesson .feedback{min-height:88px;padding:15px 42px calc(15px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #efefeb;left:350px}.lesson .feedback>div{max-width:520px}.lesson .feedback>button{min-width:190px;padding:15px 22px}.lesson .feedback.good>button{background:#4aab65;box-shadow:0 4px #338449}.lesson .feedback.bad>button{background:#d35d70}.lesson .feedback b{font-size:18px}.lesson .feedback span{max-width:480px}.lesson-canvas .study-card{padding:29px}.lesson-canvas .study-build{max-height:320px}.lesson-canvas .question{padding:29px}.lesson-canvas .answers{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-canvas .dont-know{width:auto;margin:18px 0 0;padding:0}.lesson-canvas .lesson-image{height:290px}}.desktop-course-rail{display:none}@media (width>=900px){.desktop-course-rail{display:block}}@media (width<=899px){.one-screen{height:100svh;min-height:0;overflow:hidden}.mobile-app.one-screen{padding-bottom:72px}.home-screen .hero{padding:16px 4px 13px}.home-screen .hero h1{margin:7px 0 8px;font-size:clamp(28px,8vw,36px)}.home-screen .hero>span{font-size:13px}.home-screen .hero-stats{margin-top:13px}.home-screen .builder-launch{margin:0 0 12px;padding:12px}.home-screen .builder-launch>span:first-child{width:40px;height:40px}.home-screen .section-title{margin-bottom:8px}.home-screen .section-title h2{font-size:21px}.home-screen .path-card{min-height:56px;margin:7px 0;padding:10px 13px}.home-screen .path-card i{height:36px}.page-controls{justify-content:space-between;align-items:center;gap:12px;margin-top:10px;display:flex}.page-controls button{color:#514fd0;cursor:pointer;background:#ecebff;border:0;border-radius:10px;min-width:72px;min-height:40px;font-weight:900}.page-controls button:disabled{opacity:.36}.page-controls span{color:#73819a;font-size:12px;font-weight:800}.dashboard-screen .dashboard-hero{padding:17px 4px 11px}.dashboard-screen .dashboard-hero h1{margin:7px 0;font-size:29px}.dashboard-screen .dashboard-hero p,.dashboard-screen .dashboard-hero span{font-size:12px}.dashboard-screen .progress-overview{margin:5px 0 12px}.dashboard-screen .progress-overview div{min-height:62px;padding:8px}.dashboard-screen .review-callout{margin-bottom:12px;padding:12px}.dashboard-screen .review-callout h2{font-size:18px}.dashboard-screen .review-callout p{font-size:12px}.dashboard-screen .review-callout button{min-height:38px;margin-top:10px}.dashboard-screen .section-heading,.dashboard-screen .section-title{margin-bottom:8px}.dashboard-screen .section-title h2{font-size:20px}.dashboard-screen .progress-path{margin:0;padding:10px}.dashboard-screen .progress-path-top i{height:24px}.dashboard-screen .progress-track{margin:8px 0 6px}.dashboard-screen .progress-path>small{font-size:11px}.profile-screen .profile-hero{padding:15px 4px 10px}.profile-screen .profile-hero .profile-avatar{width:42px;height:42px;margin-bottom:10px}.profile-screen .profile-hero h1{font-size:27px}.profile-screen .profile-stats{margin:5px 0 12px}.profile-screen .profile-stats div{min-height:62px;padding:8px}.profile-screen .profile-card{margin-top:10px;padding:12px}.profile-screen .profile-card h2{font-size:17px}.profile-screen .profile-card span{font-size:12px}.profile-screen .profile-action{min-height:42px;margin-top:12px}.burger-picker{padding-bottom:22px!important}.burger-picker .picker-heading{padding:4px 3px 8px}.burger-picker .picker-heading h1{font-size:27px}.burger-picker .picker-heading span{font-size:12px}.burger-picker .path-card{min-height:54px;margin:7px 0;padding:9px 12px}.burger-picker .path-card i{height:32px}.lesson{padding-bottom:0}.lesson .lesson-top{height:60px}.lesson .lesson-title{padding:10px 3px}.lesson .lesson-title h1{margin:5px 0;font-size:28px}.lesson .question{padding:16px 17px}.lesson .question h2{margin:13px 0 12px;font-size:24px;line-height:1.22}.compact-question .answer-label{margin:10px 0 8px!important}.compact-question .answers{gap:7px}.compact-question .answers button{min-height:52px;padding:9px;font-size:13px}.compact-question .dont-know{margin:11px auto 0;padding:8px}.view-build{color:#5654d5;cursor:pointer;background:#f0efff;border:0;border-radius:9px;min-height:38px;margin:0 0 4px;font-size:12px;font-weight:900}.study-card{padding:14px 17px}.study-intro{padding:9px 3px 10px}.study-intro h2{margin:5px 0;font-size:26px}.study-intro p{font-size:12px}.study-build{padding:10px}.study-build ol{gap:5px;max-height:none;margin-top:7px}.study-build li{font-size:12px}.study-fact{margin-top:9px;padding:10px}.study-fact p{margin:6px 0 4px;font-size:12px}.study-actions{align-items:center;gap:9px;margin-top:10px;display:flex}.study-actions .study-start{min-height:45px;margin-top:0}.study-back{min-width:68px;margin:0;padding:10px}.build-overlay{z-index:10;padding:calc(14px + env(safe-area-inset-top)) 18px calc(14px + env(safe-area-inset-bottom));background:#f7f8fc;flex-direction:column;justify-content:space-between;display:flex;position:fixed;inset:0}.overlay-close{color:#5c6b84;cursor:pointer;background:#fff;border:0;border-radius:12px;align-self:flex-end;width:42px;height:42px;font-size:25px}.build-overlay-content{flex:1;place-items:center;gap:14px;min-height:0;display:grid}.overlay-image{object-fit:contain;background:#f6f1eb;border-radius:17px;max-width:100%;max-height:62svh;display:block}.overlay-note{color:#61708b;text-align:center;max-width:280px;line-height:1.45}.overlay-done{min-height:48px}.recap{padding-bottom:18px!important}.recap .lesson-top{align-self:stretch}.recap-card{padding:20px 17px}.recap-card h1{font-size:33px}.recap-stats,.score-grid{margin:18px 0 14px}.recap-card .review-note{margin-bottom:12px!important}.recap-card .primary{min-height:44px}.desktop-course-rail{display:none!important}}