@font-face{font-family:Hanken;src:url('/assets/hanken.woff2') format('woff2');font-weight:100 900;font-display:swap}@font-face{font-family:Hanken;src:url('/assets/hanken-ext.woff2') format('woff2');font-weight:100 900;font-display:swap;unicode-range:U+0100-024F,U+1E00-1EFF}@font-face{font-family:Logo;src:url('/assets/logo-poppins.woff2') format('woff2');font-weight:700;font-display:swap}
:root{--ink:#17212b;--muted:#5d6b79;--blue:#245fa6;--blue-dark:#174b86;--ice:#eaf3fc;--line:#dce4ed;--bg:#f3f6fa;--green:#24714a;--side:264px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--bg);font-family:Hanken,Arial,sans-serif;font-size:16px;line-height:1.6}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a{color:var(--blue);text-decoration:none}button{color:inherit}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(32px,3vw,46px);font-weight:740}h2{font-size:28px;font-weight:720}h3{font-size:21px;font-weight:700}p{max-width:75ch}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #3176c6;outline-offset:4px}button,a{touch-action:manipulation}[hidden]{display:none!important}.sprite{position:absolute;width:0;height:0;overflow:hidden}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden;white-space:nowrap}.skip{position:fixed;top:-80px;left:15px;background:white;padding:12px 20px;z-index:100}.skip:focus{top:10px}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--side);background:white;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:28px 20px 18px;z-index:40}.brand{display:flex;gap:9px;align-items:center;color:var(--ink);padding-left:10px}.brand svg{stroke:none}.brand span{font-family:Logo,sans-serif;font-size:23px;letter-spacing:-1.1px}.side-caption{font-size:14px;color:var(--muted);padding:9px 10px 0;margin:0 0 24px}.role-switch{display:flex;padding:4px;background:var(--bg);border-radius:9px;gap:2px;margin-bottom:24px}.role-switch button{display:flex;align-items:center;justify-content:center;gap:3px;border:0;background:none;border-radius:6px;padding:9px 4px;font-size:12px;font-weight:700;flex:1;white-space:nowrap}.role-switch svg{width:12px;height:12px}.role-switch [aria-pressed=true]{background:white;color:var(--blue);box-shadow:0 1px 4px #17212b12}#side-nav{overflow-y:auto;overscroll-behavior:contain;flex:1;padding:0 3px 12px}#side-nav>a,.nav-group summary{display:flex;align-items:center;gap:11px;font-size:14px;font-weight:600;padding:10px;border-radius:7px;min-height:44px;color:var(--muted)}#side-nav>a.active{background:var(--ice);color:var(--blue)}#side-nav>a:hover,.nav-group summary:hover{background:var(--bg)}.nav-divider{height:1px;background:var(--line);margin:20px 8px 12px}.nav-label{font-size:12px;color:var(--muted);padding:8px 10px;display:block}.nav-group{margin:2px 0}.nav-group summary{list-style:none;cursor:pointer;justify-content:space-between}.nav-group summary::-webkit-details-marker{display:none}.nav-group summary:after{content:'+';font-size:17px;font-weight:400}.nav-group[open] summary:after{content:'−'}.nav-lessons{border-left:1px solid var(--line);margin-left:19px;padding-left:8px}.nav-lessons a{display:flex;gap:7px;color:var(--muted);font-size:12px;line-height:1.4;padding:10px 8px;border-radius:5px;min-height:40px;align-items:flex-start}.nav-lessons a.active{background:var(--ice);color:var(--blue);font-weight:700}.nav-lessons .tick{font-size:12px;min-width:14px;color:var(--green)}.side-bottom{padding:14px 9px 0;border-top:1px solid var(--line)}.side-bottom small{color:var(--muted);font-size:10px;display:block;margin-top:10px}.app-link{display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:700;margin-top:18px;min-height:32px}.progress-label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:7px}.progress-track{height:5px;background:var(--line);border-radius:10px;overflow:hidden}.progress-track progress{appearance:none;width:100%;height:5px;display:block;border:0}.progress-track progress::-webkit-progress-bar{background:var(--line)}.progress-track progress::-webkit-progress-value{background:var(--blue);border-radius:10px}.progress-track progress::-moz-progress-bar{background:var(--blue)}
.workspace{margin-left:var(--side)}.topbar{height:82px;padding:0 42px;display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line);background:#ffffffed;position:sticky;top:0;z-index:30}.topbar #breadcrumb{font-size:13px;color:var(--muted);flex:1;min-width:100px}.search-box{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);padding:0 12px;border-radius:7px;max-width:365px;width:42%;height:42px;color:var(--muted)}.search-box input{width:100%;min-width:0;border:0;background:none;outline:none;font-size:13px;color:var(--ink);height:100%}.search-box:focus-within{outline:2px solid var(--blue);outline-offset:2px}.search-box input:focus-visible{outline:0}kbd{font-family:inherit;border:1px solid var(--line);border-radius:3px;padding:0 5px;background:white;font-size:11px}.icon-button{border:1px solid var(--line);border-radius:7px;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;background:white}.menu-button{display:none}#main{max-width:1440px;margin:auto;padding:42px;min-height:calc(100vh - 164px);outline:none}.footer{padding:24px 42px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.footer a{color:var(--muted)}.button{display:inline-flex;justify-content:center;align-items:center;gap:9px;background:var(--blue);color:white;border:1px solid var(--blue);border-radius:7px;padding:11px 18px;font-weight:650;font-size:14px;min-height:45px;line-height:1.4}.button:hover{background:var(--blue-dark)}.button.secondary{background:white;color:var(--ink);border-color:var(--line)}.button.secondary:hover{background:var(--bg)}.button.light{background:white;color:var(--blue);border-color:white}.button.small{padding:8px 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17px;color:var(--muted);font-size:13px;line-height:1.7}.lesson-note strong{color:var(--ink)}.lesson-aside{font-size:13px}.aside-title{font-size:13px;font-weight:700;margin:4px 0 12px}.location-path{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:20px;line-height:1.7;overflow-wrap:anywhere}.lesson-aside .check-item{font-size:12px}.check-item{display:flex;align-items:flex-start;gap:10px;padding:12px 0;line-height:1.6;cursor:pointer}.check-item input{width:17px;height:17px;margin:3px 0 0;accent-color:var(--blue);flex-shrink:0}.check-item:has(input:checked) span{color:var(--muted);text-decoration:line-through}.aside-links{margin-top:22px;border-top:1px solid var(--line);padding-top:16px}.aside-links a{display:block;min-height:35px;font-size:12px}.lesson-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:24px}.lesson-bottom a{max-width:38%;font-size:13px;line-height:1.5}.complete-button.done{background:var(--green);border-color:var(--green)}.example-block{padding:24px;border-left:3px solid var(--blue);background:var(--ice);margin-bottom:20px;font-size:16px;line-height:1.8}.example-label{font-size:12px;color:var(--muted);margin-bottom:12px}.example-copy{display:flex;justify-content:flex-end}.demo{margin-top:28px;border-top:1px solid var(--line);padding-top:24px}.demo h3{font-size:20px}.demo .demo-note{font-size:12px;color:var(--muted);line-height:1.6;margin:10px 0 18px}.demo select,.demo textarea,.login-form input{width:100%;padding:11px 12px;border:1px solid #b9c7d7;border-radius:7px;background:white;color:var(--ink)}.demo label{display:block;font-size:13px;font-weight:650;margin:14px 0 7px}.demo textarea{min-height:135px;resize:vertical;font-size:14px;line-height:1.7;margin-bottom:10px}.demo-output{background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:18px;font-size:14px;margin-top:18px;white-space:pre-wrap}.review-demo{border:1px solid var(--line);padding:18px;border-radius:8px;background:#fbfcfe;margin:14px 0}.review-demo .stars{color:#95660e;letter-spacing:3px;font-size:14px}.review-demo p{font-size:14px;line-height:1.7;margin:8px 0 0}.demo-actions{display:flex;flex-wrap:wrap;gap:9px}.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;background:repeating-linear-gradient(0deg,transparent 0,transparent 32%,#cfdae5 32%,#cfdae5 33%,transparent 33%,transparent 65%,#cfdae5 65%,#cfdae5 66%,transparent 66%),repeating-linear-gradient(90deg,#f1f5fa 0,#f1f5fa 32%,#cfdae5 32%,#cfdae5 33%,#f1f5fa 33%,#f1f5fa 65%,#cfdae5 65%,#cfdae5 66%,#f1f5fa 66%);padding:23px;max-width:350px;border:1px solid var(--line);border-radius:8px;margin:20px 0}.map-pin{border:1px solid #c9d5df;background:white;color:var(--ink);border-radius:50%;width:48px;height:48px;margin:auto;font-weight:700}.map-pin.top{background:#e1f1e8;color:#1e6942;border-color:#b1d3c0}.map-pin[aria-pressed=true]{outline:3px solid var(--blue);outline-offset:3px}.quiz-options{display:grid;gap:12px;margin:25px 0}.quiz-option{text-align:left;background:white;border:1px solid var(--line);border-radius:8px;padding:16px 18px;display:flex;gap:12px;align-items:center;font-size:15px;min-height:58px}.quiz-option span{display:flex;align-items:center;justify-content:center;width:25px;height:25px;border:1px solid var(--line);border-radius:50%;flex-shrink:0;font-size:12px;color:var(--muted)}.quiz-option:hover{background:var(--bg)}.quiz-option.correct{border-color:var(--green);background:#eff8f3}.quiz-option.wrong{border-color:#bc674a;background:#fff5f0}.quiz-feedback{border-radius:8px;padding:18px;background:var(--ice);font-size:14px;margin-bottom:18px}.quiz-feedback.correct{background:#eff8f3;color:#185b38}.quiz-feedback p{font-size:14px;margin-top:8px;line-height:1.6}.quiz-feedback.wrong{background:#fff5f0;color:#843d28}.lesson-card .empty{border:0}
.login-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:900px;margin:55px auto}.login-copy>svg{width:36px;height:36px;color:var(--blue);margin-bottom:20px}.login-copy h1{max-width:12ch}.login-copy p{color:var(--muted)}.login-copy ul{padding-left:20px;color:var(--muted);font-size:14px;line-height:2}.login-form{background:white;border:1px solid var(--line);border-radius:12px;padding:30px;align-self:start}.login-form h2{font-size:23px}.login-form label{font-size:14px;display:block;font-weight:650;margin-bottom:8px}.password-wrap{display:flex;position:relative}.password-wrap input{padding-right:70px}.password-wrap button{position:absolute;right:10px;top:3px;font-size:12px}.login-form .button{width:100%;margin-top:18px}.login-form .meta{margin:20px 0 0;line-height:1.7}.form-error{color:#993b26;background:#fff0eb;font-size:13px;padding:11px;border-radius:6px;margin-top:15px}.login-privacy{font-size:12px;color:var(--muted);margin-top:24px}.faq-list details{background:white;border:1px solid var(--line);border-radius:8px;margin-bottom:12px}.faq-list summary{padding:20px 24px;cursor:pointer;font-size:16px;font-weight:650;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:15px}.faq-list summary:after{content:'+';color:var(--blue);font-size:22px;font-weight:400}.faq-list details[open] summary:after{content:'−'}.faq-list summary::-webkit-details-marker{display:none}.faq-answer{padding:0 24px 24px;color:var(--muted);font-size:15px}.faq-answer p{margin-bottom:10px}.glossary{display:grid;grid-template-columns:1fr 1fr;gap:0 35px}.glossary>div{padding:21px 0;border-top:1px solid var(--line)}.glossary dt{font-weight:700;font-size:16px;margin-bottom:7px}.glossary dd{margin:0;color:var(--muted);font-size:14px;max-width:52ch}.template-card{background:white;border:1px solid var(--line);border-radius:10px;padding:26px;margin-bottom:16px}.template-card h2{font-size:21px}.template-card blockquote{margin:0 0 18px;padding:0;color:var(--muted);white-space:pre-wrap;font-size:15px;line-height:1.8}.template-card .button{min-width:130px}.empty{padding:45px 30px;text-align:center;background:white;border:1px solid var(--line);border-radius:10px}.empty svg{width:32px;height:32px;color:var(--blue);margin-bottom:15px}.empty h2{font-size:24px}.empty p{margin:0 auto 20px;color:var(--muted);font-size:14px}.search-heading{font-size:14px;color:var(--muted);margin:25px 0 12px}.toast{position:fixed;bottom:25px;left:calc(var(--side) + (100% - var(--side))/2);transform:translateX(-50%);background:var(--ink);color:white;border-radius:8px;padding:12px 22px;font-size:14px;box-shadow:0 8px 30px #17212b25;z-index:100;max-width:calc(100vw - 35px);text-align:center}.print-content{display:none}.loading{padding:70px 0;text-align:center;color:var(--muted)}.presentation .sidebar,.presentation .topbar,.presentation .footer,.presentation .lesson-aside,.presentation .lesson-bottom,.presentation .lesson-note,.presentation .lesson-headline>p,.presentation .lesson-headline .meta{display:none}.presentation .workspace{margin:0}.presentation #main{max-width:1150px;padding-top:25px}.presentation .lesson-layout{grid-template-columns:1fr}.presentation .lesson-headline h1{font-size:30px}.presentation .slide-body{min-height:340px;padding:45px}.presentation .slide-body h2{font-size:clamp(30px,3.5vw,48px)}.presentation .slide-body p{font-size:clamp(19px,2vw,25px);line-height:1.8}.presentation .lesson-tools{margin-bottom:20px}.presentation .toast{left:50%}.data-note{font-size:12px;color:var(--muted);margin:22px 0 0;line-height:1.6}.storage-note{padding:12px 15px;border:1px solid #efdfb8;background:#fff7e5;color:#6e5015;font-size:12px;border-radius:6px;margin-bottom:20px}
@media(min-width:1600px){#main{padding-top:50px}.welcome{padding:46px}.welcome h1{font-size:52px}.slide-body{min-height:370px}}
@media(max-width:1200px){:root{--side:234px}.sidebar{padding:24px 14px 16px}.topbar{padding:0 28px}#main{padding:30px 28px}.welcome{padding:30px;grid-template-columns:1.1fr 1fr;gap:20px}.welcome-flow{padding-left:20px}.flow-node{padding:12px;gap:10px}.flow-node b{font-size:13px}.flow-node small{font-size:11px}.quick-link{padding:15px 12px;gap:9px}.quick-link b{font-size:13px}.quick-link small{font-size:11px}.lesson-layout{grid-template-columns:minmax(0,1fr) 190px;gap:20px}.slide-body{padding:26px}.lesson-tabs{padding:0 12px}.lesson-tabs button{padding-left:10px;padding-right:10px}.footer{padding:24px 28px}.login-layout{gap:30px;margin-top:30px}}
@media(max-width:980px){.lesson-layout{grid-template-columns:1fr}.lesson-aside{border-top:1px solid var(--line);padding-top:20px}.lesson-aside .location-path{border-bottom:0}.aside-links{display:flex;flex-wrap:wrap;gap:20px}.quick-links{grid-template-columns:1fr}.quick-link{padding:16px}.quick-link b{font-size:15px}.quick-link small{font-size:12px}.welcome{grid-template-columns:1fr}.welcome h1{max-width:18ch}.welcome-flow{display:none}.home-bottom{grid-template-columns:1fr}.login-layout{grid-template-columns:1fr;max-width:550px}.login-copy h1{max-width:20ch}.login-copy ul{display:none}.login-copy p{margin-bottom:0}.login-copy>svg{margin-bottom:8px}}
@media(max-width:760px){:root{--side:280px}.sidebar{transform:translateX(-100%);transition:transform .18s ease;z-index:60}.sidebar.open{transform:translateX(0)}.mobile-shade{position:fixed;inset:0;background:#17212b60;z-index:50}.workspace{margin:0}.topbar{padding:0 18px;gap:13px;height:70px}.topbar #breadcrumb{display:none}.search-box{width:100%;max-width:none;height:42px}.search-box kbd{display:none}.menu-button{display:inline-flex;flex-shrink:0}#main{padding:25px 19px}.welcome{border-radius:10px;padding:28px 25px}.welcome h1{font-size:38px;max-width:14ch}.welcome p{font-size:14px}.section-heading{align-items:flex-start;flex-direction:column;gap:7px;margin-top:30px}.section-heading h2{font-size:26px}.resume-strip{padding:16px;gap:12px;flex-wrap:wrap}.resume-strip>div:nth-child(2){min-width:170px}.resume-strip .button{margin-left:32px}.quick-links{gap:10px;margin-top:17px}.quick-link{min-height:78px}.course-head{padding:20px}.course-head h3{font-size:20px}.lesson-row{padding:16px 18px;gap:10px}.lesson-row .duration{font-size:11px}.lesson-row p{font-size:12px}.lesson-row h3{font-size:14px}.lesson-row .row-arrow{display:none}.footer{padding:22px 19px;flex-direction:column;gap:7px}.lesson-tools{margin-bottom:20px;gap:10px}.lesson-tools>a{font-size:12px}.lesson-tools .tool-actions{gap:6px}.lesson-tools .icon-button{width:38px;height:38px}.lesson-headline h1{font-size:33px;line-height:1.1}.lesson-headline>p{font-size:16px}.lesson-tabs{padding:0 8px}.lesson-tabs button{font-size:12px;padding:16px 11px 14px;flex:1}.slide-body{padding:25px 22px;min-height:300px}.slide-body h2{font-size:26px}.slide-body p{font-size:16px;line-height:1.8}.step-controls{padding:17px;gap:10px}.step-controls .button{font-size:12px;padding:10px 13px}.lesson-bottom{flex-wrap:wrap;align-items:center}.lesson-bottom .complete-button{order:-1;flex-basis:100%;margin-bottom:5px}.lesson-bottom a{max-width:47%;font-size:12px}.lesson-aside{margin-top:10px}.glossary{grid-template-columns:1fr}.faq-list summary{font-size:15px;padding:19px}.faq-answer{padding:0 19px 20px;font-size:14px}.template-card{padding:22px}.page-head h1{font-size:34px}.page-head p{font-size:15px}.login-layout{gap:20px;margin:10px auto 20px}.login-form{padding:25px}.login-copy h1{font-size:36px}.toast{left:50%;font-size:12px;width:max-content}.presentation #main{padding:18px}.presentation .lesson-headline h1{font-size:25px}.presentation .slide-body{padding:25px;min-height:320px}.presentation .slide-body p{font-size:19px}.presentation .slide-body h2{font-size:28px}.example-block{padding:18px;font-size:15px}.quiz-option{padding:14px;font-size:14px}.map-grid{padding:18px}.lesson-row .lesson-number{width:20px}.course-icon{flex-shrink:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{body{background:white;color:black;font-size:11pt}.sidebar,.topbar,.footer,.lesson-tools,.lesson-tabs,.step-controls,.lesson-aside,.lesson-bottom,.lesson-note,.toast,.demo,.quiz-options,.quiz-feedback,.skip,.example-copy{display:none!important}.workspace{margin:0}#main{padding:0;max-width:none}.lesson-card{border:0}.slide-body{display:none}.print-content{display:block}.print-content h2{font-size:18pt;page-break-after:avoid}.print-content h3{font-size:14pt;margin-top:22px}.print-content p{font-size:11pt;line-height:1.7}.lesson-headline h1{font-size:26pt}.lesson-headline p{font-size:12pt}.print-content section{break-inside:avoid}.page-head{margin-bottom:20px}.template-card{break-inside:avoid}.print-content .print-brand{font-size:10pt;border-bottom:1px solid #aaa;padding-bottom:10px;margin-bottom:25px}.print-content .print-note{font-size:10pt;margin-top:20px}.faq-list details>*{display:block}.presentation .print-content{display:block}}