@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.fixed{position:fixed}.relative{position:relative}.static{position:static}.isolate{isolation:isolate}.m-20{margin:calc(var(--spacing) * 20)}.block{display:block}.contents{display:contents}.grid{display:grid}.inline{display:inline}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#172033;--muted:#667085;--paper:#f7f8fb;--card:#fff;--accent:#3b5ccc;--accent2:#e85d3f}*{box-sizing:border-box}body{color:var(--ink);background:var(--paper);margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button{font:inherit}.app{min-height:100vh}.shell{max-width:1180px;margin:0 auto;padding:28px 20px 60px}.hero{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px;display:flex}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:800}h1{margin:6px 0 8px;font-size:clamp(30px,5vw,48px);line-height:1.02}.subtitle{color:var(--muted);max-width:720px;line-height:1.55}.grid{grid-template-columns:250px 1fr;gap:20px;display:grid}.card{background:var(--card);border:1px solid #e5e7eb;border-radius:18px;padding:20px;box-shadow:0 6px 20px #1720330d}.nav{height:max-content;position:sticky;top:18px}.nav button{text-align:left;cursor:pointer;color:#475467;background:0 0;border:0;border-radius:10px;width:100%;padding:11px 12px;display:block}.nav button.active{color:var(--accent);background:#eef2ff;font-weight:750}.kpis{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px;display:grid}.kpi strong{margin-top:3px;font-size:25px;display:block}.small{color:var(--muted);font-size:13px}.section-title{margin:0 0 5px;font-size:21px}.topic-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.topic{cursor:pointer;background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:15px}.topic:hover{border-color:#aab7ef}.tag{color:#475467;background:#f1f5f9;border-radius:999px;margin-bottom:8px;padding:4px 8px;font-size:11px;font-weight:800;display:inline-block}.controls{flex-wrap:wrap;gap:10px;display:flex}.btn{cursor:pointer;border:0;border-radius:10px;padding:10px 14px;font-weight:750}.btn.primary{background:var(--accent);color:#fff}.btn.secondary{color:#344054;background:#eef2f6}.btn.danger{color:#b9381f;background:#fff0ed}textarea,input,select{width:100%;font:inherit;border:1px solid #d0d5dd;border-radius:10px;padding:11px}.answer{cursor:pointer;border:1px solid #e5e7eb;border-radius:12px;margin-top:10px;padding:12px}.answer.selected{border-color:var(--accent);background:#eef2ff}.answer.correct{background:#edf8f0;border-color:#5c9c73}.answer.wrong{background:#fff1ef;border-color:#d95c4d}.explain{border-left:4px solid var(--accent);background:#f7f8ff;border-radius:8px;margin-top:16px;padding:15px;line-height:1.55}.visuals{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.visual{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:12px}.visual img{aspect-ratio:16/10;object-fit:cover;background:#eef2f6;border-radius:10px;width:100%}.source{color:#667085;margin-top:7px;font-size:12px}.prose{line-height:1.65}.prose h3{margin-bottom:6px}.notice{color:#6b5315;background:#fff8e7;border:1px solid #f2d78d;border-radius:12px;padding:12px 14px}@media (max-width:800px){.grid{grid-template-columns:1fr}.nav{position:static}.topic-grid,.visuals,.kpis{grid-template-columns:1fr}.hero{display:block}}main{min-width:0}p,li{line-height:1.65}h2{margin-top:6px}h3{margin-top:24px}.card+.kpis{margin-top:18px}.topic{text-align:left;font:inherit;color:var(--ink)}.topic strong{display:block}progress{width:100%;height:8px;accent-color:var(--accent)}.answer{text-align:left;width:100%;color:var(--ink);background:#fff;display:block}.answer:disabled{opacity:1;cursor:default}button:disabled{cursor:default}.btn:disabled{opacity:.5}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline-offset:3px;outline:3px solid #e85d3f}fieldset{border:1px solid #d0d5dd;border-radius:10px;padding:12px}.confidence{gap:6px;margin-right:14px;display:inline-flex}.confidence input{width:auto}figure{margin:20px 0}figure svg{width:100%}figcaption{color:var(--muted);font-size:13px}.sources{flex-wrap:wrap;gap:14px;margin:16px 0;font-size:13px;display:flex}.sources span{display:block}.sources small{color:var(--muted);display:block}a{color:#2947ad}footer{margin-top:26px}summary{cursor:pointer}.nav label{margin:20px 0 8px;font-size:13px;display:block}.video{aspect-ratio:16/9;border:0;border-radius:12px;width:100%;margin-top:16px}.technical{background:#f7f8ff;border-radius:12px;padding:12px}figure{overflow-x:auto}figure svg{min-width:720px}figcaption{max-width:100%}h2{margin-bottom:12px;font-size:24px;font-weight:750;line-height:1.3}h3{margin-bottom:8px;font-size:18px;font-weight:700}h4{margin:12px 0;font-weight:700}.navigation-controls{margin-bottom:16px}.question-video{background:#f7f8ff;border:1px solid #d0d5dd;border-radius:12px;margin:22px 0;padding:16px}.question-video video{aspect-ratio:16/9;background:#172033;border-radius:8px;width:100%;display:block}ol{padding-left:24px;list-style:decimal}ul{padding-left:24px;list-style:outside}li{margin:6px 0}@media (max-width:600px){figure svg{min-height:100px}.shell{padding:20px 12px}.card{padding:16px}.confidence{margin:8px 0;display:flex}}.jargon{color:#2947ad;font:inherit;cursor:pointer;text-align:inherit;background:0 0;border:0;border-bottom:1px dashed #3b5ccc;border-radius:0;margin:0;padding:0;display:inline}.answer{align-items:center;gap:12px;padding:12px;display:flex}.choose-answer{color:#172033;background:#eef2ff;border:1px solid #aab7ef;border-radius:8px;flex-shrink:0;padding:8px}.choose-answer:disabled{opacity:.65}.glossary-directory{max-width:1180px;margin:0 auto 40px;padding:20px}.glossary-directory input{border:1px solid #aab7ef;border-radius:8px;width:100%;max-width:480px;margin:8px 0 16px;padding:12px;display:block}.glossary-dialog{color:#172033;background:#fff;border:1px solid #aab7ef;border-radius:16px;width:min(760px,100vw - 24px);max-height:90vh;padding:24px;overflow:auto}.glossary-dialog::backdrop{background:#17203399}.glossary-heading{justify-content:space-between;align-items:center;gap:12px;display:flex}.glossary-dialog img{object-fit:contain;max-width:100%;max-height:300px;margin:auto;display:block}.schema-label{text-align:center;justify-content:center;align-items:center;height:70px;padding:4px;font-size:14px;display:flex}@media (max-width:600px){.glossary-dialog{padding:16px}.answer,.glossary-heading{align-items:flex-start}.glossary-dialog figure svg{min-width:540px}}.schema-flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0;display:grid}.schema-node{background:#eef2ff;border:1px solid #aab7ef;border-radius:10px;padding:16px;font-size:15px}.glossary-dialog figure svg{min-width:0}@media (max-width:600px){.glossary-dialog figure svg{min-width:0}.schema-flow{grid-template-columns:1fr}}.book-shell{max-width:1280px;margin:auto;padding:28px 20px 60px}.book-header{border-bottom:1px solid #d0d5dd;margin-bottom:24px;padding-bottom:16px}.book-layout{grid-template-columns:240px minmax(0,1fr);align-items:start;gap:20px;display:grid}.book-index{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:16px}.book-index h3{margin-top:0}.book-index button{text-align:left;color:#172033;background:0 0;border:0;border-radius:6px;width:100%;padding:10px 6px;display:block}.book-index button[aria-current=page]{color:#2947ad;background:#eef2ff;font-weight:700}.book-index label{margin-top:20px;display:block}.book-index input{border:1px solid #aab7ef;border-radius:8px;width:100%;margin:8px 0;padding:10px}.book-term-list{max-height:340px;overflow:auto}.book-page{min-width:0}.book-page p{max-width:72ch}.book-definition{border-left:3px solid #3b5ccc;padding-left:16px;font-size:18px}.book-page img{object-fit:contain;max-width:100%;max-height:340px;margin:auto;display:block}.book-page figure svg{min-width:0}@media (max-width:1000px){.learning-center .book-layout{grid-template-columns:1fr}.book-index .book-chapter{width:auto;display:inline-block}.book-term-list{max-height:160px}.book-page{padding:20px}}@media (max-width:600px){.book-shell{padding:20px 12px}.book-page{padding:16px}.book-definition{font-size:17px}}.account-page .card{margin-bottom:22px}.account-page label{margin:14px 0 6px;display:block}.account-page input{border:1px solid #aab7ef;border-radius:8px;width:100%;max-width:480px;padding:12px;display:block}.membership-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:20px 0;display:grid}.plan-price{margin:12px 0;font-size:28px;display:block}@media (max-width:850px){.membership-grid{grid-template-columns:1fr}}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
