html,body,#root{margin:0;min-height:100%}body{background:var(--ds-page)}.academy{color:var(--ds-ink)}.academy .file-card{gap:26px;padding-top:30px}.academy .file-header{gap:10px;border-bottom:0}.academy .file-title{font-size:30px}.academy .file-fact{font-size:12px}.academy .file-group{gap:16px}.academy p{margin:0;line-height:1.85}.academy h2,.academy h3{overflow-wrap:anywhere}.academy h3{font-size:17px;font-weight:600;margin:0 0 8px}.file-nav{display:flex;gap:8px;flex-wrap:wrap;border:1px solid var(--ds-hairline);padding:6px;border-radius:12px;background:color-mix(in srgb,var(--ds-white) 85%,transparent);backdrop-filter:blur(12px)}.file-nav a{padding:9px 18px;min-height:44px;color:var(--ds-ink-2);text-decoration:none;border-radius:8px;box-sizing:border-box;flex:1;text-align:center}.file-nav a[aria-current=page]{color:var(--ds-ink);font-weight:600;background:color-mix(in srgb,var(--ds-teal) 18%,var(--ds-page))}.storage-status{display:flex;align-items:center;gap:8px;margin-top:-12px;flex-wrap:wrap}.status-dot{width:6px;height:6px;background:var(--ds-teal);border-radius:50%;flex:none}.storage-status .file-caption{font-size:11px}.edition-tag{margin-inline-start:auto;font-size:10px;border:1px solid var(--ds-hairline);border-radius:4px;padding:0 8px;color:var(--ds-ink-2)}.eyebrow{display:block;font-size:11px;color:var(--ds-ink-2);letter-spacing:.02em}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center;padding:30px 0 20px}.hero h2{font-size:36px;line-height:1.5;margin:12px 0 16px;letter-spacing:-.02em}.hero h2 span{color:var(--ds-teal);font-weight:600}.hero-copy>p{max-width:450px;color:var(--ds-ink-2)}.hero-actions{display:flex;gap:10px;margin:24px 0 12px;flex-wrap:wrap}.hero-visual{position:relative;padding:25px 24px 18px;border-radius:12px;border:1px solid var(--ds-hairline);background:linear-gradient(135deg,color-mix(in srgb,var(--ds-teal) 16%,var(--ds-white)),var(--ds-page));overflow:hidden}.floating-tag{text-align:start;font-size:11px;margin-bottom:22px;color:var(--ds-ink-2)}.demo-card{background:color-mix(in srgb,var(--ds-white) 86%,transparent);border:1px solid var(--ds-white);border-radius:12px;backdrop-filter:blur(14px);padding:24px;box-shadow:0 12px 32px color-mix(in srgb,var(--ds-ink) 6%,transparent);transform:rotate(-3deg)}.demo-card>b{font-size:64px;line-height:1.2;color:var(--ds-ink);display:block;margin:10px 0}.demo-card h3{font-size:23px}.demo-card p{font-size:12px;color:var(--ds-ink-2)}.demo-rule{height:1px;background:var(--ds-hairline);margin:16px 0}.mini-pill{display:inline-block;padding:4px 8px;border:1px solid var(--ds-hairline);border-radius:4px;font-size:10px;margin-top:14px}.demo-footer{display:flex;justify-content:space-between;font-size:11px;padding-top:22px;color:var(--ds-ink-2)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{text-decoration:none;border:1px solid var(--ds-hairline);padding:22px;border-radius:12px;transition:transform .15s,border-color .15s;background:var(--ds-white)}.feature:hover{transform:translateY(-3px);border-color:var(--ds-teal)}.feature-icon{display:flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:8px;background:color-mix(in srgb,var(--ds-teal) 12%,var(--ds-white));font-size:11px;margin-bottom:18px}.feature p{color:var(--ds-ink-2);font-size:12px}.feature-link{display:block;font-size:12px;font-weight:600;margin-top:18px}.learning-note{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:20px;border:1px solid var(--ds-hairline);border-radius:8px}.learning-note p{font-size:12px;color:var(--ds-ink-2)}.learning-note a{font-size:12px}.section-intro{color:var(--ds-ink-2);font-size:12px}.search-box{padding:18px;border:1px solid var(--ds-hairline);border-radius:12px;background:var(--ds-white)}.academy input:not([type=checkbox]){min-height:48px;border-radius:8px}.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:8px 0}.filters>label:first-child{flex:1;min-width:180px}.filters>label:nth-child(2){font-size:12px}.academy label{display:block;font-size:12px;line-height:1.8}.academy select,.academy textarea{font:inherit;color:var(--ds-ink);background:var(--ds-white);border:1px solid var(--ds-hairline);border-radius:8px;max-width:100%;padding:10px;min-height:44px}.academy select{width:100%;margin-top:6px}.glossary{display:grid;grid-template-columns:1fr 1.1fr;gap:22px;margin-top:6px;align-items:start}.results{border:1px solid var(--ds-hairline);border-radius:12px;padding:6px 12px;background:var(--ds-white)}.results>button{display:flex;gap:12px;width:100%;text-align:start;align-items:center;min-height:54px;border:0;border-bottom:1px solid var(--ds-hairline);background:transparent;color:var(--ds-ink);font:inherit;font-size:12px;padding:10px 6px;cursor:pointer}.results>button b{min-width:52px;background:var(--ds-page);border:1px solid var(--ds-hairline);padding:2px 6px;box-sizing:border-box;border-radius:4px;text-align:center;font-size:11px}.results>button[aria-pressed=true]{color:var(--ds-teal);font-weight:600}.results>button[aria-pressed=true] b{border-color:var(--ds-teal)}.results .toolbar{justify-content:space-between;font-size:11px}.detail{padding:24px;border:1px solid var(--ds-hairline);border-radius:12px;background:var(--ds-white);position:sticky;top:20px}.detail h2{font-size:44px;line-height:1.2;margin:10px 0}.detail h3{font-size:23px;margin-bottom:10px}.detail>p{margin-bottom:14px}.detail .file-caption{font-size:11px}.detail>button{margin-top:18px}.detail details{border-top:1px solid var(--ds-hairline);margin-top:20px;padding-top:10px;font-size:12px}.detail details p{margin-bottom:14px}.academy summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:12px}.training-layout{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}.training-settings{border:1px solid var(--ds-hairline);border-radius:12px;padding:20px;background:var(--ds-white);display:flex;flex-direction:column;gap:18px}.training-settings .file-choice-row{gap:8px}.training-settings button{min-height:44px}.settings-note{border-top:1px solid var(--ds-hairline);padding-top:14px;font-size:11px;color:var(--ds-ink-2);line-height:1.8}.question{border:1px solid var(--ds-hairline);padding:26px;border-radius:12px;background:linear-gradient(150deg,var(--ds-white),color-mix(in srgb,var(--ds-teal) 6%,var(--ds-white)));min-height:310px}.question h2{font-size:28px;line-height:1.5;margin:24px 0;text-align:center}.question>.file-caption{font-size:11px}.session-meter{height:4px;background:var(--ds-hairline);border-radius:8px;margin-top:10px;overflow:hidden}.session-meter span{display:block;height:100%;background:var(--ds-teal);border-radius:8px;transition:width .2s}.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}.answers button{min-height:60px;white-space:normal;text-align:center;background:var(--ds-white)!important;border-radius:8px;font-size:13px}.question [role=status]{border-top:1px solid var(--ds-hairline);padding-top:16px}.question [role=status]>button{margin-top:18px}.question .file-callout p{margin-top:12px}.check{display:flex!important;align-items:center}.flash{text-align:center}.flash p{font-size:12px;color:var(--ds-ink-2);margin-bottom:18px}.flash .file-callout{padding:18px;border:1px solid var(--ds-hairline);border-radius:8px;background:var(--ds-white);text-align:right}.flash .toolbar{justify-content:center;margin-top:20px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stats>div{padding:20px;border:1px solid var(--ds-hairline);border-radius:12px;background:var(--ds-white)}.stats b{display:block;font-size:32px;line-height:1.2;font-weight:600;color:var(--ds-teal);margin-bottom:8px}.stats span{font-size:12px;color:var(--ds-ink-2)}.backup-label{margin:6px 0}.academy textarea{width:100%;box-sizing:border-box;direction:ltr;font-family:monospace;font-size:12px}.academy input[type=checkbox]{width:18px;height:18px;margin-inline-end:8px;vertical-align:middle;accent-color:var(--ds-teal)}.academy .file-button{border-radius:8px;min-height:44px}.academy .file-closing{font-size:10px;line-height:1.8;border-top:1px solid var(--ds-hairline);padding-top:16px}.academy button:focus-visible,.academy a:focus-visible,.academy input:focus-visible,.academy select:focus-visible,.academy textarea:focus-visible{outline:2px solid var(--ds-teal);outline-offset:3px}@media(max-width:700px){.academy .file-card{gap:20px;padding-top:24px}.academy .file-title{font-size:25px}.file-nav{gap:2px}.file-nav a{font-size:12px;padding:8px;min-width:0}.storage-status .file-caption{font-size:10px}.edition-tag{display:none}.hero{grid-template-columns:1fr;gap:24px;padding:10px 0}.hero h2{font-size:28px;line-height:1.5}.hero-copy>p{font-size:13px}.hero-visual{padding:18px;max-width:100%;box-sizing:border-box}.demo-card>b{font-size:52px}.demo-card{padding:20px}.feature-grid{grid-template-columns:1fr;gap:10px}.feature{padding:18px;display:grid;grid-template-columns:36px 1fr;column-gap:14px}.feature-icon{grid-row:1/4;margin:0}.feature h3{font-size:16px}.feature p,.feature-link{grid-column:2}.feature-link{margin-top:10px}.learning-note{grid-template-columns:1fr;gap:20px}.glossary{grid-template-columns:1fr;gap:16px}.detail{position:static;padding:20px;order:-1}.results{padding:6px 10px}.training-layout{grid-template-columns:1fr;gap:16px}.training-settings{padding:16px;gap:14px}.settings-note{display:none}.question{padding:20px;min-height:280px}.question h2{font-size:24px}.answers{grid-template-columns:1fr;gap:10px}.stats{gap:8px}.stats>div{padding:12px}.stats b{font-size:25px}.stats span{font-size:10px}.search-box{padding:14px}.filters{gap:10px}.filters>label:first-child{flex-basis:100%}}@media(prefers-reduced-motion:reduce){*{transition:none!important;transform:none!important}}

:root,.academy{--ds-page:#0b1423;--ds-white:#142238;--ds-ink:#edf5fa;--ds-ink-2:#adbdcd;--ds-ink-3:#adbdcd;--ds-hairline:#2c3c50;--ds-teal:#56dcc7;}
body,.academy,.academy .file-card{background:#0b1423;color:#edf5fa}
.academy .file-title,.academy h2,.academy h3{color:#edf5fa}
.academy .file-card{background:radial-gradient(ellipse at 100% 18%,color-mix(in srgb,#155a6a 9%,transparent),transparent 36%),#0b1423;}
.academy .file-nav{background:color-mix(in srgb,#142238 65%,transparent);box-shadow:0 8px 24px color-mix(in srgb,#edf5fa 4%,transparent);}
.academy .file-nav a[aria-current=page]{background:#56dcc7;color:#062923}
.academy .file-button:not([data-variant=secondary]){background:#63e0cc;color:#062923;border-color:#63e0cc;box-shadow:0 6px 16px color-mix(in srgb,#56dcc7 16%,transparent);}
.academy .file-button[data-variant=secondary]{background:color-mix(in srgb,#142238 75%,transparent);color:#edf5fa;border-color:#2c3c50}
.academy .hero-visual{background:radial-gradient(at 0% 0%,#155a6a,transparent 72%),linear-gradient(135deg,#172c49,#142238);border-color:color-mix(in srgb,#56dcc7 25%,#2c3c50);box-shadow:0 16px 42px color-mix(in srgb,#56dcc7 10%,transparent);}
.academy .demo-card{background:color-mix(in srgb,#142238 78%,transparent);border-color:color-mix(in srgb,#edf5fa 12%,transparent);box-shadow:0 16px 36px #00000014;}
.academy .feature{background:color-mix(in srgb,#142238 84%,transparent);box-shadow:0 4px 20px color-mix(in srgb,#edf5fa 3%,transparent);}
.academy .feature-link,.academy a:not(.file-button):not(.feature){color:#56dcc7}
.academy .file-nav a{color:#adbdcd!important}.academy .file-nav a[aria-current=page]{color:#062923!important}

.study-lessons{display:grid;gap:10px}.study-lessons details{border:1px solid var(--ds-hairline);border-radius:12px;padding:10px 18px;background:var(--ds-white)}.study-lessons p{font-size:13px;color:var(--ds-ink-2);padding:10px 0}.study-lessons summary{font-weight:600;color:var(--ds-ink)}

.comparison{min-height:0}.comparison>h3{font-size:19px;line-height:1.8;margin:20px 0}.compare-answers{display:grid;gap:10px}.compare-answers button{white-space:normal;justify-content:flex-start;text-align:start;min-height:50px}.comparison [role=status] p{font-size:13px;margin:12px 0}
:root{--app-page:#0b1423;--app-panel:#142238;--app-ink:#edf5fa;--app-muted:#adbdcd;--app-accent:#56dcc7}body{background:var(--app-page)!important;color:var(--app-ink)!important}header,section,input,textarea,select{color:var(--app-ink)!important}header,section{background:var(--app-panel)!important}input,textarea,select{background:var(--app-page)!important}button{background:var(--app-accent)!important}.muted,footer{color:var(--app-muted)!important}#status{color:var(--app-accent)!important}.admin-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.badge{border:1px solid var(--app-accent);border-radius:30px;padding:8px;font-size:12px;white-space:nowrap}.admin-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin:24px 0}.admin-summary article{padding:20px;border:1px solid #3d4b60;border-radius:12px;background:var(--app-page)}.admin-summary b{display:block;font-size:32px;color:var(--app-accent)}.admin-summary span{font-size:13px;color:var(--app-muted)}.admin-tabs{border-block:1px solid #3d4b60;padding:12px 0;margin-bottom:20px}.admin-tabs button[aria-pressed=false]{background:transparent!important;color:var(--app-ink)}.admin-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.admin-tools input{flex:1;min-width:160px}.admin-columns{display:grid;grid-template-columns:minmax(200px,1fr) minmax(240px,1.6fr);gap:24px;margin:20px 0}#admin-list{max-height:650px;overflow:auto}.row-card{display:flex;gap:12px;align-items:center;justify-content:flex-start;width:100%;text-align:start;margin:0 0 8px!important;background:var(--app-page)!important;color:var(--app-ink)!important}.row-card b{color:var(--app-accent);direction:ltr}.row-card span{flex:1}.row-card small{color:var(--app-muted);font-size:10px}#editor{border:1px solid #3d4b60;padding:20px;border-radius:12px}#editor textarea{direction:inherit;min-height:150px}.danger-zone{border-top:1px solid #3d4b60;margin-top:24px;padding-top:16px}.danger{background:#f3a9a9!important;color:#3d1010!important}.secondary{background:transparent!important;color:var(--app-ink)!important}.theme-grid{display:flex;gap:14px;flex-wrap:wrap}.theme-grid button{background:var(--app-page)!important;color:var(--app-ink)!important;min-width:160px;padding:24px}.theme-grid i{display:block;height:30px;width:30px;border-radius:50%;margin:10px auto}.analytics-panel{padding:18px;border:1px solid #3d4b60;border-radius:12px}.analytics-panel p{line-height:1.8}.bar-row{display:flex;align-items:center;gap:10px;margin:12px 0;font-size:12px}.bar-row meter{flex:1;min-width:40px;accent-color:var(--app-accent)}#edit-message,#theme-message{color:var(--app-accent);line-height:1.8}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--app-accent);outline-offset:3px}details summary{min-height:44px;cursor:pointer;line-height:1.8}@media(max-width:650px){.admin-columns{grid-template-columns:1fr}.admin-head{display:block}.badge{display:inline-block;margin-top:12px}.admin-tools{align-items:stretch}.admin-tools input{flex-basis:100%}.admin-summary{grid-template-columns:repeat(2,1fr)}#admin-list{max-height:260px}.row-card{font-size:12px}#editor{padding:14px}.theme-grid button{flex:1}.admin-tabs{justify-content:space-between}.admin-tabs button{font-size:13px}}
.landing-hero{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;padding:40px}.landing-hero h2{font-size:42px;line-height:1.5;margin:20px 0}.landing-hero em{font-style:normal;color:var(--app-accent)}.landing-hero p{line-height:1.9;color:var(--app-muted)}.landing-hero a{color:var(--app-accent);padding:12px;display:inline-block}.small{font-size:12px}.path-demo{background:radial-gradient(at 100% 0%,#155a6a,transparent 70%),var(--app-page);border:1px solid #3d4b60;padding:28px;border-radius:20px;transform:rotate(-2deg)}.path-step{display:flex;gap:16px;align-items:center;margin:22px 0;padding:14px;border:1px solid #3d4b60;border-radius:12px;background:var(--app-panel)}.path-step b{color:var(--app-accent)}.path-caption{color:var(--app-accent);text-align:center;padding:12px}.landing-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.landing-features article{border-inline-start:2px solid var(--app-accent);padding:12px}.landing-features span{font-size:12px;color:var(--app-accent)}.landing-features p,.landing-boundary p{line-height:1.9;color:var(--app-muted)}.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s,transform .5s}.reveal.visible{opacity:1;transform:none}button{transition:filter .15s,transform .15s}button:hover{filter:brightness(1.1);transform:translateY(-1px)}@media(max-width:650px){.landing-hero{grid-template-columns:1fr;padding:22px;gap:22px}.landing-hero h2{font-size:30px}.landing-features{grid-template-columns:1fr}.path-demo{transform:none}}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}button{transition:none}}
.rich-lesson{max-width:800px;margin:auto}.rich-lead{font-size:19px;line-height:1.8;color:var(--app-muted)}.rich-meta{font-size:12px;color:var(--app-accent);margin:14px 0}.teaching-section,.case-panel,.exercise-panel{padding:22px!important;margin:20px 0!important;line-height:1.9}.rich-lesson li{margin:10px 0}.rich-lesson a{color:var(--app-accent)}.case-panel{border-color:var(--app-accent)!important}.decision{padding:14px;border-inline-start:3px solid var(--app-accent)}.rich-lesson h2{font-size:32px;line-height:1.6}#rich-json{direction:ltr;font:12px monospace;margin:14px 0}#rich-feedback{line-height:1.9;color:var(--app-accent)}@media(max-width:650px){.rich-lesson h2{font-size:25px}.rich-lead{font-size:16px}}
#title{overflow-wrap:normal;word-break:normal}.rich-meta{unicode-bidi:plaintext}.admin-summary article{min-width:0}
#title bdi{display:inline-block;white-space:nowrap}