@font-face{font-family:Onest Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/onest-cyrillic-ext-wght-normal.33guj0l_w59ai.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Onest Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/onest-cyrillic-wght-normal.2nup_w1yytguo.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Onest Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/onest-math-wght-normal.1b9eq8v3a98iz.woff2)format("woff2-variations");unicode-range:U+302-303,U+305,U+307-308,U+310,U+312,U+315,U+31A,U+326-327,U+32C,U+32F-330,U+332-333,U+338,U+33A,U+346,U+34D,U+391-3A1,U+3A3-3A9,U+3B1-3C9,U+3D1,U+3D5-3D6,U+3F0-3F1,U+3F4-3F5,U+2016-2017,U+2034-2038,U+203C,U+2040,U+2043,U+2047,U+2050,U+2057,U+205F,U+2070-2071,U+2074-208E,U+2090-209C,U+20D0-20DC,U+20E1,U+20E5-20EF,U+2100-2112,U+2114-2115,U+2117-2121,U+2123-214F,U+2190,U+2192,U+2194-21AE,U+21B0-21E5,U+21F1-21F2,U+21F4-2211,U+2213-2214,U+2216-22FF,U+2308-230B,U+2310,U+2319,U+231C-2321,U+2336-237A,U+237C,U+2395,U+239B-23B7,U+23D0,U+23DC-23E1,U+2474-2475,U+25AF,U+25B3,U+25B7,U+25BD,U+25C1,U+25CA,U+25CC,U+25FB,U+266D-266F,U+27C0-27FF,U+2900-2AFF,U+2B0E-2B11,U+2B30-2B4C,U+2BFE,U+3030,U+FF5B,U+FF5D,U+1D400-1D7FF,U+1EE??}@font-face{font-family:Onest Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/onest-symbols-wght-normal.40dw419x9klg1.woff2)format("woff2-variations");unicode-range:U+1-C,U+E-1F,U+7F-9F,U+20DD-20E0,U+20E2-20E4,U+2150-218F,U+2190,U+2192,U+2194-2199,U+21AF,U+21E6-21F0,U+21F3,U+2218-2219,U+2299,U+22C4-22C6,U+2300-243F,U+2440-244A,U+2460-24FF,U+25A0-27BF,U+28??,U+2921-2922,U+2981,U+29BF,U+29EB,U+2B??,U+4DC0-4DFF,U+FFF9-FFFB,U+10140-1018E,U+10190-1019C,U+101A0,U+101D0-101FD,U+102E0-102FB,U+10E60-10E7E,U+1D2C0-1D2D3,U+1D2E0-1D37F,U+1F0??,U+1F100-1F1AD,U+1F1E6-1F1FF,U+1F30D-1F30F,U+1F315,U+1F31C,U+1F31E,U+1F320-1F32C,U+1F336,U+1F378,U+1F37D,U+1F382,U+1F393-1F39F,U+1F3A7-1F3A8,U+1F3AC-1F3AF,U+1F3C2,U+1F3C4-1F3C6,U+1F3CA-1F3CE,U+1F3D4-1F3E0,U+1F3ED,U+1F3F1-1F3F3,U+1F3F5-1F3F7,U+1F408,U+1F415,U+1F41F,U+1F426,U+1F43F,U+1F441-1F442,U+1F444,U+1F446-1F449,U+1F44C-1F44E,U+1F453,U+1F46A,U+1F47D,U+1F4A3,U+1F4B0,U+1F4B3,U+1F4B9,U+1F4BB,U+1F4BF,U+1F4C8-1F4CB,U+1F4D6,U+1F4DA,U+1F4DF,U+1F4E3-1F4E6,U+1F4EA-1F4ED,U+1F4F7,U+1F4F9-1F4FB,U+1F4FD-1F4FE,U+1F503,U+1F507-1F50B,U+1F50D,U+1F512-1F513,U+1F53E-1F54A,U+1F54F-1F5FA,U+1F610,U+1F650-1F67F,U+1F687,U+1F68D,U+1F691,U+1F694,U+1F698,U+1F6AD,U+1F6B2,U+1F6B9-1F6BA,U+1F6BC,U+1F6C6-1F6CF,U+1F6D3-1F6D7,U+1F6E0-1F6EA,U+1F6F0-1F6F3,U+1F6F7-1F6FC,U+1F7??,U+1F800-1F80B,U+1F810-1F847,U+1F850-1F859,U+1F860-1F887,U+1F890-1F8AD,U+1F8B0-1F8BB,U+1F8C0-1F8C1,U+1F900-1F90B,U+1F93B,U+1F946,U+1F984,U+1F996,U+1F9E9,U+1FA00-1FA6F,U+1FA70-1FA7C,U+1FA80-1FA89,U+1FA8F-1FAC6,U+1FACE-1FADC,U+1FADF-1FAE9,U+1FAF0-1FAF8,U+1FB??}@font-face{font-family:Onest Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/onest-vietnamese-wght-normal.3z8uq7hmqoooo.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Onest Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/onest-latin-ext-wght-normal.1o4rsc9mn3dne.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Onest Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(../media/onest-latin-wght-normal.0zctgtcp9xj58.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{--header-height:89px;--progress-color:#e5b900;--success:#15713a;--success-soft:#e4f5ec;--current-soft:#fff9d9;--bg:#fff;--surface:#fff;--ink:#15151e;--muted:#697084;--line:#e4e7ef;--yellow:#ffdf32;--soft:#f5f6f9;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font:16px/1.6 Onest Variable,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--ink);outline-offset:4px}h1,h2{letter-spacing:-.045em;font-weight:800;line-height:1.14}h1{margin:12px 0 16px;font-size:clamp(32px,3.2vw,50px)}h2{font-size:clamp(26px,2.6vw,40px)}p{max-width:68ch}.muted{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.075em;font-size:11px;font-weight:750}.brand{letter-spacing:-.04em;align-items:center;gap:10px;font-size:18px;font-weight:800;display:inline-flex}.brand img{border-radius:10px}.button{cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:14px;min-height:44px;padding:12px 22px;font-size:14px;font-weight:650;display:inline-flex}.primary{background:var(--yellow);color:#15151e}.primary:hover{background:#f4d324}.secondary{background:var(--surface);border-color:var(--line)}.secondary:hover{background:var(--soft)}.site-header{z-index:20;background:var(--bg);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:20px max(clamp(20px,4vw,80px),50vw - 880px);display:flex;position:sticky;top:0}.site-header nav{gap:8px;display:flex}.site-header nav a{border-radius:999px;padding:10px 22px;font-size:14px;font-weight:600}.nav-active{background:var(--ink);color:var(--bg)}.workspace{max-width:1920px;margin:auto;padding:48px clamp(20px,4vw,80px) 100px}.welcome-title p{margin:0}.welcome-banner{color:#15151e;background:var(--yellow);isolation:isolate;border-radius:28px;justify-content:space-between;align-items:center;gap:24px;padding:32px 42px;display:flex;position:relative;overflow:hidden}.welcome-banner:after{content:"";z-index:-1;background:#f4c922;border-radius:999px;width:230px;height:100px;position:absolute;top:70px;right:130px;transform:rotate(-20deg)}.welcome-banner h2{margin:14px 0}.welcome-banner img{object-fit:contain;align-self:flex-end;width:230px;height:auto;margin-bottom:-32px}.course-empty{border:1px solid var(--line);background:var(--surface);border-radius:28px;margin-top:30px;padding:36px}.course-empty h2{font-size:26px;font-weight:750}.type-chip{color:#7144b9;background:#efe8ff;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:650}.login-shell{grid-template-columns:1fr 1fr;gap:24px;max-width:1920px;min-height:100dvh;margin:auto;padding:24px;display:grid}.login-form-panel{flex-direction:column;padding:12px clamp(12px,3vw,58px);display:flex}.login-content{width:100%;max-width:440px;margin:auto;padding:64px 0}.login-content h1{font-size:44px}.login-content form{flex-direction:column;gap:8px;margin-top:32px;display:flex}.login-content label{margin-top:12px;font-size:14px;font-weight:650}.login-content input,.repository-form input{background:var(--soft);border:1px solid var(--line);width:100%;min-width:0;color:var(--ink);border-radius:13px;padding:13px 16px}.login-content form .primary{margin-top:20px}.login-note{margin-top:22px;font-size:12px}.error{color:#a42f19;background:#fff0ec;border-radius:12px;padding:12px 14px;font-size:14px}.login-art{isolation:isolate;background:var(--yellow);color:#15151e;border-radius:30px;flex-direction:column;justify-content:space-between;padding:60px 48px 0;display:flex;position:relative;overflow:hidden}.login-art h2{margin:20px 0;font-size:clamp(40px,5vw,76px);font-weight:800;line-height:1.06}.login-art>img{object-fit:contain;align-self:flex-end;width:360px;max-width:90%;height:auto;margin-top:20px}.art-dot{z-index:-1;background:#fff;border-radius:50%;width:110px;height:110px;position:absolute;top:90px;right:40px}.art-pill{z-index:-1;background:#15151e;border-radius:999px;width:250px;height:95px;position:absolute;top:290px;right:-70px;transform:rotate(-12deg)}@media (min-width:1800px){.login-content{max-width:520px}.login-content h1{font-size:54px}.login-art{padding:70px}.login-art>img{width:420px}.welcome-banner{padding:45px 56px}.welcome-banner h2{font-size:48px}}@media (max-width:760px){.login-shell{grid-template-columns:1fr;padding:20px}.login-form-panel{padding:0}.login-content{padding:60px 0 30px}.login-content h1{font-size:36px}.login-art{display:none}.site-header{flex-wrap:wrap;gap:10px;padding:18px 20px}.brand{font-size:17px}.site-header nav a,.site-header .button{padding:8px 14px}.workspace{padding-top:32px}.welcome-banner{gap:4px;padding:24px}.welcome-banner h2{font-size:28px}.welcome-banner img{width:110px;margin-bottom:-24px;margin-right:-12px}.welcome-banner p{font-size:13px}.welcome-banner:after{right:-40px}.course-empty{padding:24px}.course-empty h2{font-size:23px}.welcome-title h1{font-size:32px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.course-activities{padding-left:24px}.course-activities li{overflow-wrap:anywhere;margin-block:14px}.course-activities a{text-underline-offset:4px;text-decoration:underline}.home-courses>h2{font-size:26px}.course-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr));gap:24px;display:grid}.course-card{border:1px solid var(--line);background:var(--surface);border-radius:26px;max-width:540px;overflow:hidden}.course-cover{aspect-ratio:5/3;object-fit:cover;width:100%;height:auto;display:block}.course-card-body{padding:26px}.course-card h3{letter-spacing:-.035em;margin:20px 0 12px;font-size:23px;line-height:1.25}.course-card p{margin-bottom:24px;font-size:14px}.course-workspace{grid-template-columns:minmax(0,1fr) clamp(300px,25vw,370px);align-items:start;gap:36px;display:grid}.course-content{min-width:0}.course-content>.eyebrow{margin-top:0}.course-content .course-empty{padding:28px}.desktop-outline{top:calc(var(--header-height) + 24px);border:1px solid var(--line);max-height:calc(100dvh - var(--header-height) - 48px);border-radius:22px;padding:16px;position:sticky;overflow-y:auto}.outline-toggle{background:var(--soft);color:var(--ink);cursor:pointer;text-align:left;border:0;border-radius:12px;width:100%;min-height:44px;padding:12px;font-size:13px;font-weight:650}.outline-overview{margin-top:16px;padding:10px;font-size:14px;display:block}.outline-collapsed{grid-template-columns:minmax(0,1fr) 56px}.outline-collapsed .desktop-outline{padding:6px}.outline-collapsed .outline-toggle{writing-mode:vertical-rl;text-align:center;min-height:120px;padding:14px 10px}.mobile-outline-trigger,.mobile-outline{display:none}@media (max-width:899px){.course-workspace,.course-workspace.outline-collapsed{display:block}.desktop-outline{display:none}.course-content{padding-top:62px}.course-workspace{position:relative}.mobile-outline-trigger{display:inline-flex;position:absolute;top:24px;right:clamp(20px,4vw,80px)}.mobile-outline[open]{border:0;border-left:1px solid var(--line);width:min(360px,92vw);max-width:92vw;height:100dvh;max-height:100dvh;color:var(--ink);background:var(--surface);margin:0;padding:20px;display:block;position:fixed;inset:0 0 0 auto;overflow-y:auto}.mobile-outline::backdrop{background:#15151e66}.drawer-heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.drawer-heading .button{padding-inline:14px}}html:has(.mobile-outline[open]){overflow:hidden}.repository-form{gap:1rem;max-width:44rem;display:grid}.repository-form label{gap:.4rem;display:grid}.repository-form input{width:100%;min-width:0}.repository-entry{overflow-wrap:anywhere}.repository-form .button{justify-self:start}.rich-reader{overflow-wrap:anywhere;margin-block:32px}.rich-reader>p,.rich-reader>ul,.rich-reader>ol,.rich-reader>blockquote,.rich-reader>details{max-width:72ch}.rich-reader h1,.rich-reader h2,.rich-reader h3{margin-top:1.4em;font-size:1.6em}.rich-reader a{text-underline-offset:4px;text-decoration:underline}.rich-reader img{border-radius:18px;max-width:100%;height:auto;max-height:420px;display:block}.rich-reader pre{background:var(--soft);white-space:pre;border-radius:16px;padding:24px;overflow-x:auto}.rich-reader code{font-size:.9em}.rich-reader details{border:1px solid var(--line);border-radius:16px;margin-block:16px;padding:18px}.rich-reader summary{cursor:pointer;font-weight:650}.reader-video{max-width:850px;margin-block:28px;display:block}.reader-video iframe{aspect-ratio:16/9;border:0;border-radius:16px;width:100%;margin-bottom:10px;display:block}.reader-table{overflow-x:auto}.reader-table th,.reader-table td{border-bottom:1px solid var(--line);text-align:left;padding:12px}@media (max-width:760px){.site-header nav{flex-wrap:wrap;order:3;width:100%}}.milestone{background:var(--soft);border-radius:24px;align-items:center;gap:24px;margin-block:24px;padding:24px;display:flex}.milestone img{object-fit:contain;max-width:30%;height:auto}.milestone h2{font-size:clamp(24px,3vw,36px)}:root[data-theme=dark]{--bg:#101117;--surface:#191b23;--ink:#f5f4fb;--muted:#b1b5c8;--line:#303342;--soft:#222530;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=dark] .type-chip{color:#d4b6ff;background:#312442}.repository-form select{background:var(--soft);color:var(--ink);border:1px solid var(--line);font:inherit;border-radius:13px;padding:13px 16px}.certificate-actions{flex-wrap:wrap;gap:16px;margin-bottom:24px;display:flex}.certificate-sheet{color:#15151e;text-align:center;background:#fff;border:8px solid #ffdf32;border-radius:16px;max-width:1120px;padding:clamp(24px,5vw,64px);position:relative}.certificate-sheet p{max-width:none}.certificate-sheet h1{font-size:clamp(28px,4vw,46px)}.certificate-name{overflow-wrap:anywhere;margin:12px 0;font-size:clamp(28px,4vw,44px);font-weight:750}.certificate-title{overflow-wrap:anywhere;margin:16px 0;font-size:clamp(24px,3vw,34px)}.certificate-kapi{object-fit:contain;width:140px;height:140px}.certificate-sheet footer{overflow-wrap:anywhere;border-top:1px solid #e4e7ef;margin-top:24px;padding-top:12px;font-size:11px}.certificate-sheet footer p{margin:4px 0}@media print{@page{size:A4 landscape;margin:12mm}html,body{color:#15151e!important;background:#fff!important}.certificate-actions{display:none}body:has(.certificate-sheet) .site-header{display:none}.certificate-workspace{max-width:none;margin:0;padding:0}.certificate-sheet{break-inside:avoid;-webkit-print-color-adjust:exact;print-color-adjust:exact;border-radius:0;width:100%;max-width:none;min-height:180mm;padding:12mm}.certificate-sheet h1{font-size:32px}.certificate-name{font-size:34px}.certificate-title{font-size:26px}.certificate-kapi{width:100px;height:100px}}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}html{scroll-padding-top:calc(var(--header-height) + 24px)}.contents-course-title{color:var(--muted);margin:14px 6px;font-size:12px}.outline-overview{border-bottom:1px solid var(--line);justify-content:space-between;margin-top:12px;padding-bottom:16px;display:flex}.module-contents{border-top:1px solid var(--line);margin-top:16px;padding-top:8px}.module-contents summary{cursor:pointer;align-items:center;gap:12px;padding:12px 2px;list-style:none;display:flex}.module-contents summary::-webkit-details-marker{display:none}.module-summary-copy{flex:1;min-width:0}.module-summary-copy>strong{font-size:14px;line-height:1.45;display:block}.module-count{color:var(--muted);margin-top:5px;font-size:12px;display:block}.module-ring{border-radius:50%;flex:0 0 38px;width:38px;height:38px;padding:4px}.module-ring>span{background:var(--surface);border-radius:50%;place-items:center;width:100%;height:100%;font-size:10px;font-weight:700;display:grid}.module-ring.is-complete{--progress-color:var(--success);color:var(--success)}.module-chevron{color:var(--muted);font-size:18px}.module-contents[open]>summary .module-chevron{transform:rotate(180deg)}.module-progress{width:100%;height:4px;accent-color:var(--progress-color);background:var(--soft);border:0;border-radius:999px;margin:0 0 14px;display:block;overflow:hidden}.module-progress::-webkit-progress-bar{background:var(--soft)}.module-progress::-webkit-progress-value{background:var(--progress-color);border-radius:999px}.module-progress::-moz-progress-bar{background:var(--progress-color)}.activity-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.activity-card{border:1px solid var(--line);background:var(--surface);border-radius:14px;align-items:center;gap:10px;min-width:0;padding:14px 12px;font-size:13px;display:flex}a.activity-card:hover{border-color:var(--muted);background:var(--soft)}.activity-card.is-current,a.activity-card.is-current:hover{background:var(--current-soft);border-color:#cba400}.activity-card.is-locked{background:var(--soft)}.activity-card-copy{flex:1;min-width:0}.activity-card-copy>strong{overflow-wrap:anywhere;font-weight:650;line-height:1.4;display:block}.activity-meta{color:var(--muted);flex-wrap:wrap;gap:4px;margin-top:5px;font-size:11px;display:flex}.activity-check{border:1px solid var(--muted);width:21px;height:21px;color:var(--muted);border-radius:7px;flex:0 0 21px;place-items:center;font-size:15px;display:grid}.activity-check.is-complete{background:var(--success);border-color:var(--success);color:var(--surface)}.activity-type{color:#245bc7;background:#e5edff;border-radius:8px;flex:0 0 30px;place-items:center;width:30px;height:32px;font-size:17px;display:inline-grid}.type-lab{color:#7040c3;background:#efe8ff}.type-homework{color:#775c00;background:#fff2c6}.type-project{color:#17704b;background:#dff4eb}.activity-chevron{color:var(--muted)}.activity-badges{flex-wrap:wrap;gap:5px;margin-top:7px;font-size:10px;font-weight:700;display:flex}.current-badge{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:1px 7px}.next-badge{background:var(--yellow);color:#15151e;border-radius:999px;padding:1px 7px}.complete-text{color:var(--success);font-weight:650}:root[data-theme=dark]{--success:#80dba4;--success-soft:#183c2c;--current-soft:#332e18}:root[data-theme=dark] .activity-type{filter:brightness(.9)}:root[data-theme=dark] .activity-check.is-complete{color:#15151e}@media (max-width:760px){:root{--header-height:134px}}.breadcrumbs{color:var(--muted);overflow-wrap:anywhere;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px;font-size:13px;display:flex}.breadcrumbs a:hover,.text-link:hover{text-underline-offset:4px;text-decoration:underline}.breadcrumbs [aria-current]{color:var(--muted)}.course-heading{justify-content:space-between;align-items:start;gap:20px;display:flex}.course-heading h1{font-size:clamp(30px,3vw,48px)}.course-heading .eyebrow{color:var(--muted);margin-top:0}.course-actions{flex-shrink:0;font-size:13px;position:relative}.course-actions summary{cursor:pointer;border:1px solid var(--line);border-radius:999px;padding:9px 14px}.course-actions a{z-index:2;white-space:nowrap;border:1px solid var(--line);background:var(--surface);border-radius:14px;margin-top:8px;padding:14px 20px;display:block;position:absolute;right:0;box-shadow:0 8px 24px #15151e10}.course-progress-panel{background:var(--soft);border-radius:22px;margin:24px 0;padding:22px 24px}.course-progress-panel>p:first-child{margin-top:0;font-size:14px;font-weight:600}.course-progress{background:var(--line);width:100%;height:8px;accent-color:var(--progress-color);border:0;border-radius:999px;display:block;overflow:hidden}.course-progress::-webkit-progress-bar{background:var(--line)}.course-progress::-webkit-progress-value{background:var(--yellow);border-radius:999px}.course-progress::-moz-progress-bar{background:var(--yellow)}.course-progress-panel .type-chip{margin-bottom:0;display:inline-flex}.course-progress-panel>p:last-child{margin-bottom:0}.text-link{color:var(--muted);text-underline-offset:4px;font-size:14px;text-decoration:underline}.overview-modules{gap:16px;margin-top:28px;display:grid}.module-overview{border:1px solid var(--line);background:var(--surface);border-radius:22px;margin:0;padding:14px 22px}.module-overview .module-summary-copy>h2{letter-spacing:-.025em;margin:0;font-size:20px}.module-overview .module-count{font-size:13px}.module-overview .activity-list{margin-bottom:10px}.module-overview .activity-card{padding:16px;font-size:15px}.module-overview .activity-meta{font-size:12px}.activity-panel{border:1px solid var(--line);background:var(--surface);border-radius:28px;padding:clamp(20px,2.5vw,38px)}.activity-heading h1{margin-top:12px;font-size:clamp(28px,2.6vw,40px)}.activity-heading .eyebrow{align-items:center;gap:10px;margin-top:0;display:flex}.activity-heading .activity-type{flex-basis:28px;width:28px;height:28px}.activity-context{color:var(--muted);margin:0 0 20px;font-size:13px}.activity-controls{border-top:1px solid var(--line);margin-top:32px;padding-top:20px}.activity-controls-note{color:var(--muted);margin-bottom:14px;font-size:12px}.activity-control-row{grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;display:grid}.activity-control-row>:last-child{justify-self:end}.activity-control-row>:first-child{justify-self:start}.completion-control{text-align:center}.boundary-control{color:var(--muted);font-size:12px}@media (max-width:1100px){.activity-control-row .button{padding-inline:12px;font-size:12px}}@media (max-width:760px){.course-heading{flex-wrap:wrap;gap:4px}.course-heading h1{margin-bottom:12px}.course-actions{margin-bottom:6px}.course-actions a{left:0;right:auto}.activity-panel{border-radius:22px;padding:20px 16px}.activity-control-row{grid-template-columns:1fr 1.4fr 1fr;gap:6px}.activity-control-row .button{gap:4px;width:100%;padding:10px 8px;font-size:11px;line-height:1.3}.module-overview{padding:12px 16px}}.notebook-preview{border:1px solid var(--line);background:var(--surface);border-radius:20px;margin:24px 0;overflow:hidden}.notebook-toolbar{background:var(--soft);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:15px 20px;font-size:12px;display:flex}.notebook-toolbar>span{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,monospace}.notebook-toolbar a{font-family:inherit;font-weight:600;text-decoration:none}.notebook-notice{max-width:none;color:var(--muted);background:var(--soft);margin:0;padding:14px 20px;font-size:12px}.notebook-cells{padding:12px 20px 24px}.notebook-cell{min-width:0;margin:18px 0;padding-left:30px;position:relative}.cell-number{color:var(--muted);font-family:ui-monospace,monospace;font-size:10px;position:absolute;top:16px;left:-8px}.notebook-cell pre{border:1px solid var(--line);border-radius:12px;margin:8px 0;padding:16px;font-size:12px;line-height:1.6}.notebook-cell pre code{font-size:inherit;font-family:ui-monospace,SFMono-Regular,monospace}.notebook-markdown h2{margin-top:12px;font-size:23px}.notebook-markdown p{font-size:14px}.notebook-outputs .notebook-output{white-space:pre-wrap;overflow-wrap:anywhere;background:0 0;border:0;padding:8px 0}.notebook-outputs img{border-radius:0;max-width:100%;margin:12px 0}.notebook-fallback{color:var(--muted);padding:8px 20px 20px;font-size:13px}@media (max-width:760px){.notebook-toolbar{flex-wrap:wrap;align-items:start;padding:12px}.notebook-notice{padding:12px}.notebook-cells{padding:8px 12px 12px}.notebook-cell{padding-left:0}.cell-number{position:static}.notebook-markdown h2{font-size:20px}}.contents-heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.contents-heading h2{letter-spacing:-.02em;margin:0;font-size:16px}.contents-heading .outline-toggle{background:0 0;width:auto;font-size:16px}.outline-collapsed .contents-heading .outline-toggle{width:100%;font-size:13px}.activity-type svg{width:18px;height:18px}.activity-check svg{width:15px;height:15px}.course-heading>div{min-width:0}.course-heading h1,.activity-heading h1{overflow-wrap:anywhere}html{scrollbar-gutter:stable}:root{--header-height:80px}.site-header{height:var(--header-height);grid-template-columns:1fr auto 1fr;padding-block:0;display:grid}.header-actions{justify-content:flex-end;align-items:center;gap:12px;display:flex}.site-header nav{justify-content:center}.site-header nav a{white-space:nowrap}.streak-chip{background:var(--yellow);color:#15151e;font-variant-numeric:tabular-nums;border-radius:999px;align-items:center;gap:7px;padding:7px 13px;font-size:14px;font-weight:750;display:inline-flex}.button{transition:background-color .12s,opacity .12s}.button:disabled{cursor:wait;opacity:.65}.home-workspace{padding-top:30px}.welcome-title{margin-bottom:24px}.welcome-title>p{margin:0;font-size:14px}.welcome-title h1{margin:8px 0 0;font-size:clamp(30px,3vw,44px)}.home-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:28px;display:grid}.home-main{min-width:0}.home-aside{gap:20px;display:grid}.next-banner{align-items:flex-start;gap:16px;min-height:250px;padding:28px 30px}.next-banner-copy{z-index:1;flex:1;min-width:0;position:relative}.next-banner h2{margin:12px 0;font-size:clamp(25px,2.3vw,36px)}.next-banner p{margin:0 0 22px;font-size:14px}.next-banner img{object-fit:contain;flex-shrink:0;width:145px;height:170px;margin-bottom:-28px}.next-banner .button{color:#fff;background:#15151e;border-color:#15151e}.next-banner-actions{align-items:center;gap:18px;display:flex}.banner-type{text-transform:capitalize;align-items:center;gap:8px;font-size:13px;display:flex}.banner-type .activity-type{background:0 0}.section-heading{justify-content:space-between;align-items:center;gap:16px;display:flex}.home-courses{margin-top:30px}.home-courses h2{margin:0 0 18px;font-size:24px}.section-heading .text-link{margin-bottom:18px;font-size:13px}.course-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,255px),1fr));gap:20px}.course-card{border-radius:24px;flex-direction:column;max-width:none;display:flex}.course-cover{aspect-ratio:2.4;height:auto}.course-card-body{flex-direction:column;flex:1;padding:22px;display:flex}.course-card h3{margin:16px 0;font-size:20px}.card-progress-label{color:var(--muted);font-variant-numeric:tabular-nums;justify-content:space-between;gap:8px;margin-bottom:8px;font-size:12px;display:flex}.card-progress-label strong{color:var(--ink)}.card-next{border-top:1px solid var(--line);flex:1;margin-top:22px;padding-top:16px}.card-next>.muted{font-size:12px}.card-next-link{align-items:center;gap:10px;margin:6px 0 16px;font-size:14px;line-height:1.4;display:flex}.card-next-link strong{flex:1}.card-next .button{min-height:44px;font-size:13px}.card-overview{justify-content:space-between;margin-top:18px;font-size:12px;display:flex}.streak-card,.learning-note{border:1px solid var(--line);background:var(--surface);border-radius:24px;padding:22px}.streak-card-heading{min-height:40px;position:relative}.streak-card-heading img{object-fit:contain;position:absolute;top:-6px;right:-6px}.streak-card .streak{font-variant-numeric:tabular-nums;margin:0;font-size:20px;line-height:1.3}.streak strong{font-size:44px;font-weight:800}.streak-best{margin:5px 0 18px;font-size:12px}.streak-week{grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;margin:0;padding:0;list-style:none;display:grid}.streak-week li{text-align:center;color:var(--muted);gap:5px;font-size:10px;display:grid}.study-day{aspect-ratio:1;border:1px dashed var(--line);border-radius:12px;place-items:center;font-size:15px;display:grid}.study-day.qualified{background:var(--yellow);border:1px solid var(--yellow);color:#15151e}.study-day.today{outline:2px solid var(--ink);outline-offset:1px}.streak-prompt{background:var(--soft);border-radius:14px;margin:20px 0 10px;padding:12px;font-size:13px}.streak-card small{font-size:10px}.learning-note p{color:var(--muted);margin-bottom:0;font-size:14px}.overview-continue{margin-top:20px}.overview-continue>p{margin:8px 0}.activity-badges{min-height:19px}.activity-control-row .completion-control .button{min-width:148px}.activity-controls-note{min-height:20px}.completion-error{background:var(--soft);border-radius:12px;margin-top:16px;padding:12px;font-size:13px}.completion-error .button{margin:10px 0 0;display:block}.next-learning{border-top:1px solid var(--line);margin-bottom:0;padding-top:16px;font-size:13px}.next-learning span,.next-learning a{display:block}.feedback-host{z-index:60;pointer-events:none;width:min(440px,100% - 32px);position:fixed;bottom:24px;right:24px}.kapi-feedback{border:1px solid var(--line);background:var(--surface);pointer-events:auto;border-radius:22px;align-items:center;gap:14px;padding:18px;animation:.22s ease-out kapi-arrive;display:flex;box-shadow:0 12px 40px #0002}.kapi-feedback img{object-fit:contain;flex-shrink:0;width:74px;height:84px;animation:.6s ease-out kapi-cheer}.kapi-feedback strong{font-size:15px}.kapi-feedback p{color:var(--muted);margin:4px 0;font-size:12px}.kapi-feedback button{background:var(--soft);color:var(--ink);cursor:pointer;border:0;border-radius:50%;flex-shrink:0;align-self:flex-start;width:32px;height:32px}@keyframes kapi-arrive{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes kapi-cheer{30%{transform:translateY(-8px)rotate(-5deg)}65%{transform:translateY(0)rotate(3deg)}}.content-loading{min-height:380px}.loading-line{background:var(--soft);border-radius:8px;height:16px;margin:20px 0;display:block}.loading-line.short{width:30%}.loading-line.title{width:75%;height:38px}.content-loading p{color:var(--muted);font-size:13px}@media (max-width:1100px){.home-layout{grid-template-columns:minmax(0,1fr) 290px;gap:20px}.next-banner img{width:95px;height:140px}}@media (max-width:899px){.home-layout{grid-template-columns:1fr}.home-aside{grid-template-columns:1fr 1fr}}@media (max-width:760px){:root{--header-height:116px}.site-header{grid-template-rows:60px 55px;grid-template-columns:1fr auto;gap:0 10px}.site-header nav{grid-area:2/1/auto/-1}.site-header .brand{font-size:16px}.site-header .brand img{width:30px;height:30px}.header-actions{grid-area:1/2;gap:8px}.streak-chip{padding:5px 10px;font-size:12px}.site-header .button{padding:7px 12px;font-size:12px}.home-workspace{padding-top:24px}.home-aside{grid-template-columns:1fr}.learning-note{display:none}.next-banner{min-height:260px;padding:24px}.next-banner h2{font-size:27px}.next-banner img{opacity:.95;width:85px;height:100px;position:absolute;bottom:18px;right:8px}.next-banner-copy{padding-right:0}.next-banner-actions{flex-wrap:wrap;gap:8px;padding-right:60px}.next-banner p{max-width:90%}.activity-control-row .completion-control .button{width:100%;min-width:0;min-height:44px}.activity-control-row .button{min-height:44px}.feedback-host{bottom:16px;right:16px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.app-link{position:relative}.link-pending{opacity:.65;background:currentColor;border-radius:3px;height:3px;position:absolute;bottom:2px;left:10px;right:10px}.course-card-body>.type-chip{align-self:flex-start}.streak-card-heading .type-chip{align-items:center;gap:5px;display:inline-flex}.flame-icon{flex-shrink:0}.rich-reader .reserved-image{width:min(100%,800px);height:auto}.outline-overview.is-current{background:var(--current-soft);border:1px solid var(--progress-color);border-radius:12px;font-weight:650}.activity-card.is-current{cursor:default}.settings-course-actions{margin-block:32px}.settings-course-actions .course-empty{margin-top:16px;padding:24px}.settings-course-actions h3{margin:0 0 16px}
