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/* Readable text, a complete illustrated transaction sequence, optional themes. */
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h2{font-size:30px;margin:15px 0}.curriculum-track p{font-size:13px}.curriculum-track ol{padding-left:20px;margin:0}.curriculum-track li{padding:12px 0 12px 10px;font-size:15px;color:#8c8276;border-bottom:1px solid #f0ede6}.curriculum-track li>a,.curriculum-track li>span{display:flex;gap:20px;justify-content:space-between}.curriculum-track li>span{color:#8e9187}.curriculum-track li small{font-size:10px;color:#a8a295;white-space:nowrap}.ready-badge{color:#779581;font-size:11px;white-space:nowrap}.curriculum-list{margin-bottom:70px}
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/* The default remains white. Dark mode is a deliberate, saved visitor choice. */
html[data-theme=dark]{color-scheme:dark}html[data-theme=dark] body{background:#1c211f;color:#e5e6dd}html[data-theme=dark] p{color:#b1b7aa}html[data-theme=dark] em{color:#c4acd9}html[data-theme=dark] .site-header,html[data-theme=dark] .site-header.menu-open nav{background:#202622;border-color:#394238}html[data-theme=dark] .theme-toggle,html[data-theme=dark] .reading-toggle{background:#293029;border-color:#46503f;color:#d0d6c7}html[data-theme=dark] .eyebrow{color:#b0b69e}html[data-theme=dark] .brand-dot{color:#cfb4e0}html[data-theme=dark] .ticker,html[data-theme=dark] footer,html[data-theme=dark] .demo-section{background:#222822;border-color:#3b4438}html[data-theme=dark] .ticker span,html[data-theme=dark] .footer-top a{color:#b2baa7}html[data-theme=dark] .tool-card,html[data-theme=dark] .lesson-card,html[data-theme=dark] .challenge-card,html[data-theme=dark] .glossary-row,html[data-theme=dark] .path-row,html[data-theme=dark] .paths{border-color:#3e473a}html[data-theme=dark] .tool-card:hover,html[data-theme=dark] .lesson-card:hover,html[data-theme=dark] .path-row:hover{background:#262e26;border-color:#756a80}html[data-theme=dark] .tool-panel,html[data-theme=dark] .experiment,html[data-theme=dark] .curiosity,html[data-theme=dark] .soft-callout,html[data-theme=dark] .support-card{background:#252d26;border-color:#46503f}html[data-theme=dark] .home-experiment{background:#283029}html[data-theme=dark] .button.secondary{background:#30382e;border-color:#56604c;color:#d1d6c5}html[data-theme=dark] .button{background:#8a729d;border-color:#a18ab3;color:#fff}html[data-theme=dark] .peach{background:#4b3b2e;color:#e4bf99}html[data-theme=dark] .lavender{background:#42374d;color:#d5bce7}html[data-theme=dark] .mint{background:#304b3a;color:#b2d2ba}html[data-theme=dark] .analogy{background:#3b3429;border-color:#af8e64}html[data-theme=dark] .analogy p{color:#d1c1a6}html[data-theme=dark] .analogy .eyebrow{color:#bc9d78}html[data-theme=dark] .quiz{background:#302b37;border-color:#54445e}html[data-theme=dark] .quiz-options button{background:#352f3d;border-color:#5d4f67;color:#c6b1d3}html[data-theme=dark] .quiz-options button span{color:#d4d6ca}html[data-theme=dark] .quiz-options button.correct{background:#2e4937;border-color:#719c7d}html[data-theme=dark] .quiz-options button.incorrect{background:#4e362b;border-color:#bd8f6b}html[data-theme=dark] .lab-form input,html[data-theme=dark] .lab-form select,html[data-theme=dark] .lab-form textarea,html[data-theme=dark] .challenge-card input,html[data-theme=dark] #site-search{background:#1f271f;border-color:#4c5744;color:#d2d9c6}html[data-theme=dark] .lab-form label{color:#bec5b0}html[data-theme=dark] .result-row,html[data-theme=dark] .trace-word,html[data-theme=dark] .counter-demo>div,html[data-theme=dark] .unit-demo>span:not(.flow-arrow),html[data-theme=dark] .donation-address{background:#20291f;border-color:#4b5642}html[data-theme=dark] .result-row code,html[data-theme=dark] .trace code{color:#c2a8d6}html[data-theme=dark] .trace-selector{background:#3b2f45}html[data-theme=dark] .trace-word{border-color:#5c7956}html[data-theme=dark] .copy-result,html[data-theme=dark] .quick-values button{background:#30372b;border-color:#59604d;color:#c5c9b8}html[data-theme=dark] .segmented{background:#1d251d}html[data-theme=dark] .segmented button.selected{background:#493b52;color:#d8c1e7}html[data-theme=dark] .success-message{background:#294331;color:#b7d5bc;border-color:#537d5d}html[data-theme=dark] .error-message{background:#493327;color:#e4b99a;border-color:#8d674b}html[data-theme=dark] .try-tool{background:#293e2e;border-color:#4b6a50}html[data-theme=dark] .try-tool strong{color:#aac7ad}html[data-theme=dark] .sidebar-group>a{color:#b9c0aa}html[data-theme=dark] .sidebar-group>a[aria-current]{background:#42364c;color:#d7bde7}html[data-theme=dark] .sidebar-group>a:hover{background:#333c2e}html[data-theme=dark] .on-this-page,html[data-theme=dark] .source-note,html[data-theme=dark] .footer-bottom,html[data-theme=dark] .challenge-links{border-color:#46503b}html[data-theme=dark] a.inline-link,html[data-theme=dark] .lesson-section a,html[data-theme=dark] .prose a,html[data-theme=dark] .tool-explainer a,html[data-theme=dark] .on-this-page a{color:#c3a8d7;border-color:#6a5578}html[data-theme=dark] .tx-step.active{color:#d0b7e2}html[data-theme=dark] .tx-step.active .icon{background:#4b3b58;border-color:#9c81b0}html[data-theme=dark] .tx-step .icon{background:#30382c;border-color:#535d48}html[data-theme=dark] .tx-step.finished .icon{background:#304937;border-color:#608266}html[data-theme=dark] .transaction-stage{background:#20271f;border-color:#4a5340}html[data-theme=dark] .scene-grid path{stroke:#30392c}html[data-theme=dark] .scene-paper{fill:#30372b;stroke:#656a54}html[data-theme=dark] .scene-lavender{fill:#473852;stroke:#9f87b0}html[data-theme=dark] .scene-mint{fill:#304d3a;stroke:#7caa88}html[data-theme=dark] .scene-peach{fill:#4c3b2c;stroke:#aa8763}html[data-theme=dark] .scene-heading{fill:#e0c8ec}html[data-theme=dark] .scene-label,html[data-theme=dark] .scene-caption,html[data-theme=dark] .scene-value{fill:#c2c7b5}html[data-theme=dark] .scene-small,html[data-theme=dark] .scene-big{fill:#c9afdc}html[data-theme=dark] .scene-chip{fill:#46364f}html[data-theme=dark] .scene-check{stroke:#a0cead}html[data-theme=dark] .scene-lock{stroke:#a6cbb0}html[data-theme=dark] .pool-item,html[data-theme=dark] .block-tx{fill:#765c87;stroke:#a98dbc}html[data-theme=dark] .pool-new{fill:#63886a;stroke:#a8c8a8}html[data-theme=dark] .animation-controls{border-color:#48523d}html[data-theme=dark] .chain-block{background:#40304a;border-color:#826595}html[data-theme=dark] .chain-block.invalid{background:#4c3327;border-color:#ba8b68}html[data-theme=dark] dialog,html[data-theme=dark] #toast{background:#283024;color:#d6dccb;border-color:#78628a}html[data-theme=dark] dialog::backdrop{background:#141a15ad}html[data-theme=dark] .curriculum-track,html[data-theme=dark] .curriculum-track li{border-color:#46503b}html[data-theme=dark] .curriculum-track li>a{color:#cbb0df}html[data-theme=dark] .curriculum-track li>span{color:#a3aa98}html[data-theme=dark] .byte-selector,html[data-theme=dark] .byte-word{background:#3b2e45;border-color:#7b628d}html[data-theme=dark] .mint-word{background:#2e4533;border-color:#66826a}html[data-theme=dark] .byte-word span{color:#c6abd9}html[data-theme=dark] .evm-demo pre{background:#3b2d45;color:#d2b5e6;border-color:#715880}html[data-theme=dark] .challenge-card.solved{background:#293e2d}html[data-theme=dark] .table-scroll td,html[data-theme=dark] .table-scroll th{border-color:#46503c}
/* Calm reading is independent of color theme and never hides the learning text. */
html[data-reading=true]{scroll-behavior:auto}html[data-reading=true] *,html[data-reading=true] *:before,html[data-reading=true] *:after{animation:none!important;transition:none!important}html[data-reading=true] .site-header{position:static;height:auto;min-height:70px}html[data-reading=true] .header-inner{min-height:70px;flex-wrap:wrap}html[data-reading=true] .lesson-layout{display:block;max-width:890px;padding-top:45px}html[data-reading=true] .lesson-sidebar,html[data-reading=true] .lesson-article>.experiment,html[data-reading=true] .lesson-article>.quiz,html[data-reading=true] .lesson-article>.try-tool,html[data-reading=true] .lesson-complete,html[data-reading=true] .hero-picture,html[data-reading=true] .ticker,html[data-reading=true] .demo-section,html[data-reading=true] .curiosity-art{display:none}html[data-reading=true] .lesson-article{max-width:none}html[data-reading=true] .article-head{border-bottom:1px solid #d6d4cd;padding-bottom:22px}html[data-reading=true] .article-head h1{font-family:Georgia,'Times New Roman',serif;letter-spacing:-.02em;font-weight:400;font-size:46px}html[data-reading=true] .lesson-section h2{font-family:Georgia,'Times New Roman',serif;font-size:29px;font-weight:400;border-bottom:1px solid #ddd9ce;padding-bottom:10px;letter-spacing:-.015em}html[data-reading=true] .lesson-section p{font-family:Georgia,'Times New Roman',serif;font-size:20px;line-height:1.9;color:inherit}html[data-reading=true] .analogy{background:transparent;border:0;padding:0;margin:28px 0}html[data-reading=true] .analogy p{font-family:Georgia,serif;color:inherit;line-height:1.9;font-size:19px}html[data-reading=true] .on-this-page{background:#faf9f5;border:1px solid #d7d4ca;max-width:500px;padding:18px 23px;display:flex;flex-direction:column;gap:9px}html[data-reading=true] .on-this-page>span{font-weight:600;color:inherit}html[data-reading=true] .on-this-page a{font-size:14px;color:#74618b}html[data-reading=true] .source-note{margin-top:50px}html[data-reading=true] footer{background:transparent}html[data-reading=true] .hero{display:block;min-height:0;padding-block:55px}html[data-reading=true] .hero-copy{max-width:700px}html[data-reading=true] .hero h1 br{display:none}html[data-reading=true] .hero h1{font-family:Georgia,serif;font-weight:400;font-size:58px;line-height:1.2}html[data-reading=true] .hero .hand-star{display:none}html[data-reading=true] .hero-copy>p{max-width:650px;font-size:19px}html[data-reading=true] .tool-card,html[data-reading=true] .lesson-card{border:0;border-bottom:1px solid #ddd9cf;border-radius:0;min-height:0;padding:20px 0;box-shadow:none}html[data-reading=true] .tool-grid,html[data-reading=true] .lesson-grid{display:block}html[data-reading=true] .card-icon,html[data-reading=true] .path-art{display:none}html[data-reading=true] .tool-card,html[data-reading=true] .lesson-card{display:block}html[data-reading=true] .tool-card p,html[data-reading=true] .lesson-card p{max-width:none;font-size:17px}html[data-reading=true] .card-arrow{top:17px}html[data-theme=dark][data-reading=true] .on-this-page{background:#252d22;border-color:#59614b}html[data-theme=dark][data-reading=true] .on-this-page a{color:#c8acdd}html[data-theme=dark][data-reading=true] .lesson-section h2,html[data-theme=dark][data-reading=true] .article-head{border-color:#59614b}
@media(max-width:1100px){.site-header nav{gap:15px;font-size:12px}.header-inner{gap:20px}.header-actions{gap:7px}.reading-toggle,.theme-toggle{font-size:10px;padding:7px}.header-actions .support-nav{display:none}.demo-grid{gap:27px;grid-template-columns:.7fr 1.3fr}}
@media(max-width:760px){.lesson-section p{font-size:18px;line-height:1.9}.lesson-section h2{font-size:27px}.analogy p{font-size:17px}.lead{font-size:18px}.hero-copy>p{font-size:16px}.quiz-options button{font-size:15px;padding:14px}.quiz-feedback,.quiz-explanation{font-size:15px}.caption{font-size:12px}.experiment-explanation{font-size:16px;min-height:125px}.hero-note{font-size:11px}.hero-tag{font-size:9px}.demo-grid{grid-template-columns:1fr}.demo-grid>div>p{font-size:16px}.tool-card p,.lesson-card p{font-size:13px}.tool-card h3{font-size:20px}.path-row p{font-size:12px}.home-experiment .experiment-explanation{font-size:16px;min-height:120px}.tx-step{font-size:11px}.transaction-stage{margin-inline:-10px}.transaction-svg{min-height:230px}.animation-controls{gap:8px;justify-content:space-between;padding:9px 10px}.animation-controls .text-button{font-size:10px}.animation-controls>span{display:none}.theme-toggle [data-theme-label]{display:none}.theme-toggle{border:0;padding:4px}.theme-toggle [data-theme-icon]{font-size:22px}.reading-toggle{font-size:9px;padding:7px}.header-actions{gap:10px}.header-inner{width:calc(100% - 28px)}.brand{font-size:22px}.brand-symbol{width:24px;margin-right:5px}.brand-symbol .icon{width:23px}.header-actions .search-trigger{padding:3px}.header-actions .search-trigger .icon{width:18px;height:18px}.mobile-toggle .icon{width:20px;height:20px}.curriculum-track{display:block;padding-block:28px}.curriculum-track ol{margin-top:22px;padding-left:20px}.curriculum-track li{font-size:14px;padding-left:5px}.curriculum-track li>a,.curriculum-track li>span{gap:12px}.curriculum-track li small,.ready-badge{font-size:9px}.curriculum-track h2{font-size:29px}.curriculum-nav .pill{font-size:10px}.tool-explainer p,.prose p{font-size:17px}.tool-panel .lab-form input,.tool-panel .lab-form select,.tool-panel .lab-form textarea{font-size:14px}.tool-panel .lab-form label{font-size:12px}.tool-panel .result-row code{font-size:13px}html[data-reading=true] .article-head h1{font-size:38px}html[data-reading=true] .lesson-section p{font-size:19px}html[data-reading=true] .lesson-section h2{font-size:27px}html[data-reading=true] .hero h1{font-size:42px}html[data-reading=true] .hero-copy>p{font-size:18px}html[data-reading=true] .lesson-layout{padding-top:30px}}
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.logo-shimmer{fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-dasharray:16 68;stroke-dashoffset:84;animation:brand-shimmer 3.2s linear infinite}
.logo-book-left{fill:#b8a4ca;stroke:#9c82b0;stroke-width:.65;transform-origin:24px 42px;animation:brand-page-left 3.2s ease-in-out infinite}
.logo-book-right{fill:#9b80b3;stroke:#88699e;stroke-width:.65;transform-origin:24px 42px;animation:brand-page-right 3.2s ease-in-out infinite}
.logo-book-spine{fill:none;stroke:#816395;stroke-width:.8}
.logo-spark{fill:#d5a350;stroke:#fff;stroke-width:.7;transform-box:view-box;transform-origin:24px 20px;animation:brand-orbit 4.5s linear infinite}
.brand-dot{animation:brand-dot 3.2s ease-in-out infinite}
.brand:hover .logo-shimmer{stroke-width:2}
html[data-theme=dark] .logo-facet-left{fill:#ccb4e3}
html[data-theme=dark] .logo-facet-right{fill:#a78abb}
html[data-theme=dark] .logo-facet-lower{fill:#c5a7dc}
html[data-theme=dark] .logo-facet-lower-right{fill:#9c78b5}
html[data-theme=dark] .logo-facet-line{stroke:#9d7bb6}
html[data-theme=dark] .logo-book-left{fill:#bda3d0;stroke:#ad8fc3}
html[data-theme=dark] .logo-book-right{fill:#9b7ab5;stroke:#bd9bd4}
html[data-theme=dark] .logo-spark{fill:#f1c574;stroke:#262d23}
html[data-theme=dark] .logo-orbit{stroke:#b494ca;opacity:.65}
@keyframes brand-float{0%,100%{transform:translateY(1px) rotate(-7deg)}50%{transform:translateY(-5px) rotate(7deg)}}
@keyframes brand-shimmer{0%{stroke-dashoffset:84;opacity:.15}15%{opacity:1}72%{stroke-dashoffset:0;opacity:1}100%{stroke-dashoffset:0;opacity:.15}}
@keyframes brand-orbit{to{transform:rotate(360deg)}}
@keyframes brand-facet-light{0%,100%{filter:brightness(1)}50%{filter:brightness(1.22)}}
@keyframes brand-page-left{0%,100%{transform:rotate(0)}50%{transform:rotate(-5deg)}}
@keyframes brand-page-right{0%,100%{transform:rotate(0)}50%{transform:rotate(5deg)}}
@keyframes brand-dot{0%,100%{opacity:.6;transform:translateY(0)}50%{opacity:1;transform:translateY(-2px)}}
html[data-reading=true] .brand-logo *,html[data-reading=true] .brand-dot{animation:none!important;transform:none!important;filter:none!important}
.motion-paused .brand-logo *{animation-play-state:paused!important}
@media(prefers-reduced-motion:reduce){.brand-logo *,.brand-dot{animation:none!important;transform:none!important;filter:none!important}}
@media(max-width:760px){.brand-symbol{width:31px;height:38px;margin-right:7px}.brand .brand-logo,.brand-symbol>.brand-logo{width:31px;height:38px}.footer-top .brand>.brand-logo{width:36px;height:40px}}
html[data-reading=true] .brand .brand-logo{width:32px;height:37px}

.moving-ticker{position:relative;display:flex;align-items:center;overflow:hidden;background:#fcfbf8;min-height:72px;border-block:1px solid #eae7df}
.ticker-viewport{overflow:hidden;flex:1;min-width:0;mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent)}
.ticker-track{display:flex;width:max-content;animation:learning-ribbon 36s linear infinite;will-change:transform}
.ticker-group{display:flex;align-items:center;justify-content:space-between;gap:42px;min-width:max(100vw,1160px);padding:23px 30px;flex-shrink:0}
.moving-ticker .ticker-group>.ticker-message{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;color:#827d70;font-size:13px;font-weight:450}
.moving-ticker .ticker-message>.icon{width:20px;height:20px;color:#b29b7d;stroke-width:1.35}
.moving-ticker .ticker-group>.ticker-star{display:inline-flex;font-style:normal;font-size:19px;line-height:1;color:#c0a3cf;animation:ribbon-star 14s linear infinite}
.ticker-duplicate{pointer-events:none;user-select:none}
.ticker-toggle{display:flex;align-items:center;justify-content:center;gap:7px;align-self:stretch;flex-shrink:0;width:88px;border:0;border-left:1px solid #ebe6dc;background:#fcfbf8;color:#a18aaa;font-size:10px}
.ticker-toggle:hover{color:#7e5c93;background:#f7f1fb}
.ticker-toggle [data-ticker-control-icon]{font-size:17px;line-height:1}
.moving-ticker:hover .ticker-track,.moving-ticker:focus-within .ticker-track,.moving-ticker[data-paused=true] .ticker-track,.moving-ticker:hover .ticker-star,.moving-ticker:focus-within .ticker-star,.moving-ticker[data-paused=true] .ticker-star{animation-play-state:paused}
html[data-theme=dark] .moving-ticker{background:#252a22;border-color:#46513d}
html[data-theme=dark] .moving-ticker .ticker-message{color:#c0c5b2}
html[data-theme=dark] .moving-ticker .ticker-message>.icon{color:#c4b08d}
html[data-theme=dark] .ticker-toggle{background:#252a22;border-color:#46513d;color:#c4a9d6}
html[data-theme=dark] .ticker-toggle:hover{background:#382c40}
html[data-reading=true] .moving-ticker{display:none}
@keyframes learning-ribbon{to{transform:translateX(-50%)}}
@keyframes ribbon-star{to{transform:rotate(360deg)}}
@media(max-width:760px){.moving-ticker{min-height:65px}.ticker-group{gap:32px;min-width:1100px;padding:20px 24px}.moving-ticker .ticker-group>.ticker-message{font-size:12px;gap:10px}.moving-ticker .ticker-message>.icon{width:18px;height:18px}.ticker-toggle{width:51px}.ticker-toggle [data-ticker-control-label]{display:none}.ticker-track{animation-duration:38s}}
@media(prefers-reduced-motion:reduce){.ticker-track,.moving-ticker .ticker-star{animation:none!important;transform:none!important}.ticker-track{width:100%}.ticker-viewport{mask-image:none}.ticker-group{min-width:0;width:100%;flex-wrap:wrap;justify-content:center;gap:18px 30px;padding:20px}.ticker-duplicate,.ticker-toggle,.moving-ticker .ticker-group>.ticker-star{display:none!important}}
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