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0}.assessment-actions span{font-size:12px;color:var(--muted)}.code-editor{font-family:Consolas,monospace;line-height:1.7!important;min-height:230px;resize:vertical;background:#20263b!important;color:#d5dfef!important;margin:20px 0;tab-size:2}.certificate-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:22px;align-items:start}.certificate-paper{background:#fffdf7;border:1px solid #e6e0cd;border-radius:4px;padding:20px;color:#282d41;box-shadow:0 5px 22px #3e352b08}.cert-inner{border:1px solid #cabe98;padding:32px 25px;text-align:center;position:relative}.cert-brand{display:flex;justify-content:center;align-items:center;gap:8px;font:800 20px Manrope,sans-serif}.cert-brand svg{color:#75663c}.cert-kicker{text-transform:uppercase;letter-spacing:3px;font-size:8px;color:#9b8a56;margin:24px 0 12px}.cert-title{font-family:Georgia,serif;font-size:38px;font-weight:400;line-height:1.2;color:#313c38}.cert-subtitle{font-size:10px;text-transform:uppercase;letter-spacing:3px;margin-top:8px;color:#9a8a5c}.cert-recipient-label{font-size:11px;color:#8d8c82;margin-top:28px}.cert-name{font-family:Georgia,serif;font-size:33px;font-weight:400;margin:13px 0;color:#343e3b}.cert-desc{font-size:11px;color:#86857c;max-width:370px;margin:auto;line-height:1.8}.cert-course{font-size:14px;margin:13px 0;font-weight:700}.cert-score{display:inline-flex;gap:8px;font-size:10px;padding:7px 14px;border-radius:20px;background:#f2efdf;color:#8c7a45;margin:12px 0 25px}.cert-signatures{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:8px}.cert-signature{font-family:Georgia,serif;font-style:italic;font-size:19px;color:#5a645e;margin-bottom:8px}.cert-signatures small{display:block;font-size:8px;color:#88887c;border-top:1px solid #ddd5bd;padding-top:9px}.cert-seal{width:65px;height:65px;border:3px double #b49d57;border-radius:50%;display:grid;place-content:center;color:#a18a4b;font-size:8px;line-height:1.7;letter-spacing:1px;flex-shrink:0}.cert-seal svg{margin:auto;width:20px;height:20px}.cert-bottom{display:flex;justify-content:space-between;font-size:8px;border-top:1px solid #e7e1cf;padding-top:17px;margin-top:27px;color:#999280;gap:10px}.certificate-side{display:grid;gap:18px}.certificate-side h3{font-size:14px;margin-bottom:13px}.certificate-side p{font-size:11px;color:var(--muted);margin-bottom:16px}.certificate-side .btn+.btn{margin-top:9px}.verify-form{display:grid;gap:10px}.verify-result{font-size:11px;line-height:1.65;margin-top:13px;overflow-wrap:anywhere}.parent-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:23px}.parent-grid h3{margin-bottom:18px}.activity{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.5}.activity:last-child{border:0}.activity svg{color:var(--green);width:18px}.activity small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.setting{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 0;border-bottom:1px solid var(--line);font-size:12px}.setting small{display:block;color:var(--muted);margin-top:5px;font-size:10px}.setting input[type=checkbox]{width:18px;height:18px;accent-color:var(--purple)}.setting select{padding:8px;border:1px solid var(--line);border-radius:6px}.status{font-size:10px;display:inline-flex;align-items:center;gap:7px;color:var(--green)}.profile-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.profile-option{padding:18px;border-radius:12px;background:var(--bg);border:1px solid var(--line);color:var(--ink);display:flex;flex-direction:column;gap:10px;font-size:12px}.profile-option:hover{border-color:var(--purple)}dialog{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:20px;max-width:470px;width:calc(100% - 32px);padding:27px;box-shadow:0 20px 80px #15173130}dialog::backdrop{background:#171c3177;backdrop-filter:blur(3px)}.dialog-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}dialog p{font-size:12px;color:var(--muted)}#toasts{position:fixed;bottom:24px;right:24px;z-index:100;display:grid;gap:8px;max-width:min(420px,calc(100vw - 32px))}.toast{font-size:12px;line-height:1.6;background:#252a40;color:#fff;padding:15px 20px;border-radius:12px;box-shadow:0 8px 35px #12162625;animation:enter .2s ease-out}.no-results{grid-column:1/-1;padding:50px;text-align:center;color:var(--muted);font-size:13px}@keyframes enter{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.view{animation:enter .25s ease-out}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
body.dark{--bg:#141829;--surface:#1c2237;--ink:#e3e6f2;--muted:#9ca4bd;--line:#2c344d;--purple:#a18ae8;--purple-soft:#2d2949;--green:#9dccb2;--shadow:none}body.dark .hero{background:#2b2443;border-color:#3d325c}body.dark .hero h2{color:#e6dcfa}body.dark .hero p{color:#b2a3cd}body.dark .hero h2 em{color:#b89af4}body.dark .tip-panel{background:#26372d;border-color:#314a36}body.dark .tip-panel h3{color:#c3d9b2}body.dark .tip-panel p{color:#a4b69a}body.dark .notice.success,body.dark .chat-safety{background:#20362f;color:#a8cfb5}body.dark .notice.error{background:#482b36;color:#efb1c0}body.dark .btn.primary{color:#16182c}body.dark .answer.correct{background:#263f30;color:#bbdfb0}body.dark .answer.wrong{background:#462c39;color:#eab9c5}
.search{display:block}.sidebar{overflow-y:auto}.cert-name{overflow-wrap:anywhere}.cert-bottom{overflow-wrap:anywhere}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px}.cert-score svg{width:14px;height:14px}.board-footer{gap:12px}.page-heading h1:focus{outline:none}
@media(min-width:1550px){.hero{min-height:280px}.hero-art{right:40px;transform:scale(1.1);top:35px}.hero h2{font-size:39px}.home-columns{grid-template-columns:minmax(0,1fr) 310px}}
@media(max-width:1200px){.sidebar{width:212px;padding:28px 14px 20px}.brand{font-size:20px}.shell{margin-left:212px}.content{padding:29px 27px}.topbar{padding:0 27px}.home-columns{grid-template-columns:minmax(0,1fr) 247px;gap:18px}.hero{padding:27px 23px}.hero h2{font-size:29px}.hero-art{right:-21px;transform:scale(.8);transform-origin:center}.hero-copy{width:70%}.metric{padding:16px 12px;gap:9px}.metric-icon{width:31px;height:35px}.metric small{font-size:9px}.class-layout{grid-template-columns:minmax(0,1fr) 240px}.certificate-layout{grid-template-columns:minmax(0,1fr) 225px}.cert-inner{padding:27px 19px}.cert-title{font-size:31px}.date-tag{display:none}}
@media(max-width:1000px){.home-columns{grid-template-columns:1fr}.right-rail{grid-template-columns:1fr 1fr}.tip-panel{display:none}.hero-copy{width:65%}.hero-art{right:30px;transform:scale(1)}.hero h2{font-size:36px}.class-layout{grid-template-columns:1fr}.chat-panel{max-height:380px;min-height:330px}.certificate-layout{grid-template-columns:1fr}.certificate-side{grid-template-columns:1fr 1fr}.two-columns,.parent-grid{grid-template-columns:1fr}.course-grid{gap:12px}.course-card-body{padding:14px}.course-card-footer{align-items:flex-start;gap:8px}.course-card-footer strong small{display:block}.call-controls .end-class{margin-left:0}}
@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:238px}.sidebar.open{transform:translateX(0);box-shadow:25px 0 80px #14182d60}.sidebar-scrim{position:fixed;inset:0;background:#14182d55;z-index:29}.shell{margin-left:0}.topbar{height:70px;padding:0 18px}.mobile-menu{display:inline-flex}.breadcrumb{gap:8px}.breadcrumb>span{display:none}.top-actions{gap:7px}.demo-label{display:none}.content{padding:26px 20px}.page-heading{margin-bottom:23px}h1{font-size:26px}.hero h2{font-size:32px}.footer{padding:22px 20px}.footer span:last-child{display:none}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.discover .course-card:last-child{display:none}.hero-art{right:10px}.class-layout{gap:16px}.certificate-paper{padding:13px}}
@media(max-width:480px){.content{padding:23px 16px}.topbar{padding:0 12px}.breadcrumb b{font-size:11px}.top-actions .avatar{display:none}.language-control{padding:7px}.language-control select{max-width:104px;font-size:11px}.hero{padding:25px 23px;min-height:280px}.hero-copy{width:100%}.hero h2{font-size:31px;max-width:270px}.hero p{max-width:235px;font-size:11px}.hero-art{opacity:.25;right:-86px;top:53px;transform:scale(.8)}.metrics{gap:7px;margin:16px 0 25px}.metric{padding:14px 10px;gap:10px;align-items:flex-start;flex-direction:column}.metric-icon{width:28px;height:28px;border-radius:8px}.metric-icon svg{width:16px}.metric strong{font-size:20px}.metric small{font-size:9px;line-height:1.5}.continue-card{grid-template-columns:70px 1fr;padding:14px;gap:14px}.continue-card h3{font-size:13px}.continue-card .course-art{min-height:100px}.continue-card .course-art svg{width:35px}.progress-row{flex-wrap:wrap;gap:12px}.progress-info{min-width:100%}.progress-row .btn{width:100%;font-size:10px;min-height:34px}.right-rail{gap:12px;grid-template-columns:1fr}.right-rail .panel{padding:20px}.right-rail .panel:nth-child(2){display:none}.section-row h2{font-size:17px}.course-grid{grid-template-columns:1fr}.discover .course-card:last-child{display:block}.course-card .course-art{min-height:150px}.course-card h3{min-height:0}.course-card-footer strong small{display:inline}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.panel{padding:20px}.video-strip{grid-template-columns:repeat(2,1fr)}.video-tile{height:92px}.board-header{padding:14px}.board-header span{display:none}.board-stage{min-height:270px}.board-tools{gap:5px;padding:10px}.board-tools input[type=range]{width:47px}.call-controls .btn{padding:8px;font-size:9px}.board-footer{font-size:8px}.answers{grid-template-columns:1fr}.tabs .tab{padding:12px 13px;font-size:11px}.certificate-side{grid-template-columns:1fr}.cert-title{font-size:27px}.cert-name{font-size:27px}.cert-inner{padding:25px 13px}.cert-signature{font-size:13px}.cert-seal{width:52px;height:52px;font-size:6px}.cert-bottom{font-size:6px}.parent-grid{gap:16px}.page-heading .btn{padding:9px;font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{@page{size:A4 landscape;margin:12mm}html,body{background:#fff!important}.sidebar,.topbar,.page-heading,.certificate-side,.footer,#toasts,dialog,.skip-link{display:none!important}.shell{margin:0}.content{padding:0;max-width:none;min-height:0}.certificate-layout{display:block}.certificate-paper{box-shadow:none;border:0;border-radius:0;padding:0;width:100%;max-width:260mm;margin:auto;break-inside:avoid;print-color-adjust:exact;-webkit-print-color-adjust:exact}.cert-inner{padding:10mm 15mm}.cert-title{font-size:36pt}.cert-name{font-size:28pt}.cert-desc{max-width:150mm;font-size:10pt}.cert-brand{font-size:19pt}.cert-signatures{margin-top:5mm}.cert-bottom{font-size:8pt}.cert-kicker{margin-top:5mm}.cert-recipient-label{margin-top:6mm}.cert-score{margin-bottom:3mm}}
.checkout-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(270px,.65fr);gap:23px;max-width:1050px}.role-grid{display:grid;gap:14px;margin-top:22px}.role-grid .notice{margin:0}.role-grid strong{color:var(--ink)}.receipt{display:grid;gap:15px;margin-top:20px}.receipt>div{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:13px;font-size:11px}.receipt span{color:var(--muted)}.receipt strong{text-align:right}.full{width:100%}
@media(max-width:1000px){.checkout-layout{grid-template-columns:1fr}.role-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.role-grid{grid-template-columns:1fr}.checkout-layout .panel{padding:18px}.receipt>div{font-size:10px}}

/* Public onboarding */
.onboarding{min-height:100vh;background:var(--bg);color:var(--ink);display:flex;flex-direction:column;overflow:hidden;position:relative}.onboarding-header{width:min(1240px,100%);height:86px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 42px;position:relative;z-index:2}.onboarding-brand{padding:0;color:var(--ink)}.onboarding-brand .brand-mark{background:var(--purple);color:#fff}.onboarding-actions{display:flex;align-items:center;gap:15px}.onboarding-caption{font-size:10px;color:var(--muted);letter-spacing:.6px}.onboarding-language{background:var(--surface)}.welcome-main{width:min(1240px,100%);margin:auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(410px,520px);align-items:center;gap:65px;padding:46px 42px 62px;flex:1}.welcome-copy{padding:18px 0 10px;position:relative;z-index:1}.welcome-copy .eyebrow{display:flex;align-items:center;gap:8px;color:var(--purple);letter-spacing:1.9px}.welcome-copy .eyebrow svg{width:16px;height:16px}.welcome-copy h1{font-size:clamp(42px,5.2vw,76px);line-height:1.04;letter-spacing:-3.5px;max-width:680px;margin:17px 0 24px}.welcome-copy h1 em{font-style:normal;color:var(--purple)}.welcome-lede{font-size:15px;line-height:1.75;color:var(--muted);max-width:510px}.welcome-actions{display:flex;align-items:center;gap:18px;margin-top:32px;flex-wrap:wrap}.welcome-cta{min-height:49px;padding:0 21px;border-radius:12px;font-size:13px}.welcome-note{display:inline-flex;align-items:center;gap:7px;font-size:10px;color:var(--muted)}.welcome-note svg{width:15px;height:15px;color:var(--green)}.welcome-proof{display:flex;gap:39px;margin-top:62px;padding-top:23px;border-top:1px solid var(--line);max-width:540px}.welcome-proof div{display:grid;gap:5px}.welcome-proof strong{font:800 25px Manrope,sans-serif;letter-spacing:-1px}.welcome-proof span{font-size:10px;color:var(--muted)}.welcome-visual{height:590px;position:relative;display:grid;place-items:center}.visual-glow{position:absolute;width:475px;height:475px;border-radius:50%;background:radial-gradient(circle,#eeeafb 0%,#eeeafb 47%,transparent 70%);right:10px;top:43px}.visual-image-wrap{height:495px;width:365px;border-radius:185px 185px 26px 26px;overflow:hidden;position:relative;z-index:1;background:#eeeafb;border:1px solid #e2dcf6;box-shadow:0 25px 70px #3e2b6b20}.visual-image-wrap:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 66%,#6b53a615)}.visual-image-wrap img{width:100%;height:100%;object-fit:cover;object-position:center top;mix-blend-mode:multiply}.visual-card{position:absolute;z-index:2;background:var(--surface);border:1px solid var(--line);box-shadow:0 15px 40px #29224318;border-radius:15px;padding:14px 16px;display:flex;align-items:center;gap:11px}.visual-card b,.visual-card strong{display:block;font:700 12px Manrope,sans-serif}.visual-card small{display:block;color:var(--muted);font-size:9px;margin-top:4px;line-height:1.3}.visual-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:var(--purple-soft);color:var(--purple)}.visual-icon svg{width:18px}.visual-card-top{top:97px;left:0;min-width:244px}.visual-card-bottom{right:0;bottom:94px;display:grid;gap:5px;min-width:190px}.visual-card-bottom .status{font-size:9px}.visual-card-bottom strong{font-size:13px}.visual-spark{position:absolute;color:var(--purple);font-size:34px;z-index:2}.spark-one{right:23px;top:41px}.spark-two{left:37px;bottom:54px;font-size:25px;color:#83a765}.onboarding-footer{width:min(1240px,100%);margin:0 auto;padding:0 42px 25px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:10px;position:relative;z-index:2}.onboarding-footer span:last-child{display:flex;align-items:center;gap:6px}.onboarding-footer svg{width:14px;height:14px;color:var(--green)}
.registration-page{background:linear-gradient(135deg,var(--bg) 0%,#f0edfc 100%)}.registration-page .onboarding-header{height:78px}.onboarding-back{background:none;color:var(--muted);font-size:11px;padding:8px 0;position:absolute;left:42px;display:inline-flex;align-items:center;gap:5px}.onboarding-back svg{width:15px;transform:rotate(180deg)}.registration-page .onboarding-brand{margin:auto}.registration-page .onboarding-actions{position:absolute;right:42px}.registration-main{width:min(1120px,100%);margin:auto;padding:26px 42px 48px;flex:1}.registration-intro{text-align:center;max-width:690px;margin:4px auto 27px}.registration-intro .eyebrow{display:flex;justify-content:center;align-items:center;gap:7px;color:var(--purple)}.registration-intro .eyebrow svg{width:15px;height:15px}.registration-intro h1{font-size:clamp(29px,4vw,47px);letter-spacing:-2px;margin:13px 0 9px}.registration-intro p{font-size:13px;color:var(--muted)}.registration-steps{display:flex;justify-content:center;align-items:center;gap:10px;margin:21px auto 0;position:relative}.registration-steps span{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--muted);font-size:10px;font-weight:700}.registration-steps span.step-active{background:var(--purple);border-color:var(--purple);color:#fff}.registration-steps i{width:38px;border-top:1px solid var(--line)}.registration-steps small{position:absolute;top:31px;color:var(--muted);font-size:8px;letter-spacing:.4px}.gate-form{max-width:920px;margin:0 auto}.gate-form .page-heading{display:none}.gate-form .two-columns{grid-template-columns:minmax(0,1.32fr) minmax(250px,.68fr);gap:19px}.gate-form .panel{box-shadow:0 16px 50px #2b214312}.gate-form .form-panel>p{max-width:520px}.registration-page .onboarding-footer{padding-top:10px}.body.dark .registration-page{background:var(--bg)}body.dark .visual-glow{background:radial-gradient(circle,#2b2945 0%,#2b2945 47%,transparent 70%)}body.dark .registration-page{background:linear-gradient(135deg,var(--bg),#24203b)}
@media(max-width:1000px){.welcome-main{grid-template-columns:1fr minmax(340px,420px);gap:25px}.welcome-copy h1{font-size:52px}.visual-image-wrap{width:300px;height:445px}.welcome-visual{height:520px}.visual-card-top{left:-18px}.visual-card-bottom{right:-14px}}
@media(max-width:760px){.onboarding-header{height:72px;padding:0 20px}.onboarding-caption{display:none}.welcome-main{display:flex;flex-direction:column;align-items:stretch;gap:15px;padding:44px 22px 38px}.welcome-copy{text-align:center}.welcome-copy .eyebrow{justify-content:center}.welcome-copy h1{font-size:43px;letter-spacing:-2px;margin-top:14px}.welcome-lede{font-size:13px;margin:auto;max-width:470px}.welcome-actions{justify-content:center;margin-top:25px}.welcome-proof{justify-content:center;gap:22px;margin:35px auto 0}.welcome-proof strong{font-size:21px}.welcome-proof span{font-size:9px}.welcome-visual{height:415px;width:100%;max-width:500px;margin:auto}.visual-glow{width:360px;height:360px;top:20px;right:50%;transform:translateX(50%)}.visual-image-wrap{width:245px;height:360px;border-radius:130px 130px 22px 22px}.visual-card-top{top:54px;left:0;min-width:195px;padding:11px}.visual-card-bottom{right:0;bottom:38px;min-width:168px;padding:11px}.visual-card b{font-size:10px}.visual-card strong{font-size:11px}.onboarding-footer{padding:0 22px 18px}.registration-page .onboarding-header{height:70px;padding:0 18px}.onboarding-back{left:18px;font-size:0}.onboarding-back svg{width:19px}.registration-page .onboarding-brand{position:absolute;left:50%;transform:translateX(-50%)}.registration-page .onboarding-actions{right:18px}.registration-main{padding:23px 18px 36px}.registration-intro h1{font-size:34px}.gate-form .two-columns{grid-template-columns:1fr}.gate-form .role-grid{grid-template-columns:1fr 1fr}.registration-page .onboarding-footer{padding:0 18px 18px}.registration-page .onboarding-footer span:last-child{display:none}}
@media(max-width:480px){.welcome-copy h1{font-size:37px}.welcome-proof{gap:13px}.welcome-proof span{max-width:72px;line-height:1.35}.welcome-visual{height:370px}.visual-image-wrap{width:215px;height:318px}.visual-card-top{left:-8px;top:48px;min-width:175px}.visual-card-bottom{right:-4px;bottom:25px;min-width:153px}.visual-card small{font-size:8px}.spark-one{right:7px}.spark-two{left:8px}.gate-form .role-grid{grid-template-columns:1fr}.onboarding-language select{max-width:97px}}