:root{color-scheme:dark;color:#e7edf5;font-synthesis:none;text-rendering:optimizelegibility;--bg:#080e19;--panel:#101a2a;--line:#26364b;--muted:#a8b6c9;--accent:#74d7ed;--term:#c4b5fd;--term-bg:#1d1733;--term-line:#a78bfa;--definition-bg:#0b2419;--definition-border:#4ade80;--definition-label:#86efac;--network-portion:#86efac;--host-portion:#93c5fd;--content-width:1184px;background:#080e19;font-family:Segoe UI,Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.65}*,:before,:after{box-sizing:border-box}[hidden]{display:none!important}body{overflow-wrap:break-word;flex-direction:column;min-height:100vh;margin:0;display:flex}main{flex:1}.container{width:min(var(--content-width), calc(100% - 64px));margin-inline:auto}a{color:var(--accent);text-underline-offset:.25em}a:hover{color:#c0f2ff}button,input,select{font:inherit}button,select{cursor:pointer}button{color:inherit}a,button,input,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline-offset:5px;outline:3px solid #8ee5fa}:target{scroll-margin-top:2rem}h1,h2,h3{color:#f3f6fc;text-wrap:balance;font-weight:650;line-height:1.25}h1{letter-spacing:-.045em;margin:0 0 1.25rem;font-size:clamp(2.4rem,5vw,4rem)}h2{letter-spacing:-.025em;margin:0 0 1rem;font-size:clamp(1.5rem,2.7vw,1.85rem)}h3{letter-spacing:-.015em;margin:0 0 .75rem;font-size:1.15rem}p{margin:0 0 1rem}svg{vertical-align:middle;flex-shrink:0}img,video{border-radius:.75rem;max-width:100%;height:auto}pre{border:1px solid var(--line);border-radius:.75rem;max-width:100%;padding:1.25rem;overflow:auto}code{font-size:.9em}.prose figure code{font-size:max(.75rem,.9em)}hr{border:0;border-top:1px solid var(--line);margin-block:1.7rem}.skip-link{z-index:30;color:#071522;background:#e7f8fc;border-radius:.5rem;padding:.7rem 1rem;position:absolute;top:.7rem;left:1rem;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.site-header{background:#0a111e;border-bottom:1px solid #1e2b3e}.header-inner{justify-content:space-between;align-items:center;gap:2rem;min-height:92px;display:flex}.brand{color:#f3f6fc;flex-shrink:0;align-items:center;gap:.75rem;font-size:1.1rem;font-weight:650;line-height:1.35;text-decoration:none;display:flex}.brand-mark{width:42px;height:46px;color:var(--accent);background:linear-gradient(135deg,#173451,#0c1b2d);border:1px solid #31506b;border-radius:12px;place-items:center;display:grid}.brand-subtitle{color:var(--muted);letter-spacing:.045em;margin-top:.25rem;font-size:.65rem;font-weight:400;display:block}nav ul{margin:0;padding:0;list-style:none}#main-navigation ul{align-items:center;gap:1.35rem;display:flex}#main-navigation a{color:#b7c2d2;white-space:nowrap;border-bottom:2px solid #0000;padding:1.9rem 0;font-size:.79rem;font-weight:500;text-decoration:none;display:block}#main-navigation a:hover{color:#effaff}#main-navigation a[aria-current]{color:var(--accent);border-bottom-color:var(--accent)}#main-navigation .nav-home{display:none}#main-navigation .nav-group-start{align-items:center;gap:1.35rem;display:flex}#main-navigation .nav-group-start:before{content:"";background:#2c3f57;width:1px;height:1.1rem}.menu-button{background:#142136;border:1px solid #365069;border-radius:.5rem;align-items:center;gap:.6rem;padding:.55rem .8rem;display:none}.eyebrow{text-transform:uppercase;letter-spacing:.15em;color:var(--accent);margin-bottom:1.2rem;font-size:.67rem;font-weight:650;line-height:1.6}.status-dot{vertical-align:middle;background:#6ad9df;border-radius:50%;width:6px;height:6px;margin-right:.45rem;display:inline-block;box-shadow:0 0 0 4px #6ad9df0d}.button-row{flex-wrap:wrap;gap:.8rem;margin-top:1.9rem;display:flex}.button{border:1px solid #0000;border-radius:.5rem;justify-content:center;align-items:center;gap:.8rem;min-height:46px;padding:.85rem 1.2rem;font-size:.84rem;font-weight:600;text-decoration:none;display:inline-flex}.button-primary{color:#061520;background:#81d3ed;box-shadow:0 4px 24px #72cce310}.button-primary:hover{color:#061520;background:#a0e5fa}.button-secondary{color:#e4edf8;background:#111b2b;border-color:#35465e}.button-secondary:hover,.button-quiet:hover{color:#fff;background:#1b2c43}.button-quiet{background:#142033;border-color:#34445c}.section-block{margin-block:4.1rem}.section-heading{justify-content:space-between;align-items:end;gap:1rem;margin-bottom:1.35rem;display:flex}.section-heading h2{margin:0}.section-heading .eyebrow{margin-bottom:.5rem;font-size:.62rem}.text-link{align-items:center;gap:.5rem;font-size:.8rem;font-weight:600;text-decoration:none;display:inline-flex}.text-link:hover{text-decoration:underline}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem;display:grid}.card-grid>div{min-width:0}.card{border:1px solid var(--line);background:linear-gradient(135deg,#111e30,#0e1727);border-radius:.8rem;padding:1.65rem;box-shadow:0 8px 28px #0000000e}.content-card{flex-direction:column;height:100%;display:flex}.content-card:hover{border-color:#426281}.content-card h3{font-size:1.16rem;line-height:1.5}.content-card h3 a{color:#eaf1fa;text-decoration:none}.content-card h3 a:hover{color:var(--accent);text-decoration:underline}.card p{color:var(--muted);font-size:.86rem;line-height:1.85}.card-meta{flex-wrap:wrap;align-items:center;gap:.7rem;margin-bottom:1.1rem;display:flex}.card-meta time{color:#acb9ca;margin-left:auto;font-size:.7rem}.icon-tile{color:#87cee9;background:#172b44;border:1px solid #2a4461;border-radius:.55rem;flex-shrink:0;place-items:center;width:38px;height:38px;display:inline-grid}.small-label{color:#b9c9dc;letter-spacing:.04em;font-size:.66rem}.tags{flex-wrap:wrap;gap:.4rem;margin:.5rem 0 1.3rem;padding:0;list-style:none;display:flex}.tags li,.badge{color:#b4d2e9;background:#14243a;border:1px solid #31455f;border-radius:.35rem;padding:.2rem .55rem;font-size:.65rem;font-weight:500}.badge{align-items:center;gap:.3rem;display:inline-flex}.card-link{margin-top:auto;padding-top:.6rem}.empty-state{text-align:center;background:#0d1727;border:1px dashed #344860;border-radius:.8rem;padding:2.2rem}.empty-state .icon-tile{width:48px;height:48px;margin-bottom:1.1rem}.empty-state h3{font-size:1.1rem}.empty-state p{color:var(--muted);max-width:33rem;margin-inline:auto;font-size:.84rem}.site-footer{background:#09111d;border-top:1px solid #223146;margin-top:1.5rem}.footer-inner{justify-content:space-between;align-items:start;gap:2rem;padding-block:2.2rem;display:flex}.footer-name{color:#dbe6f2;align-items:center;gap:.55rem;font-size:.86rem;font-weight:600;text-decoration:none;display:inline-flex}.site-footer p{color:#99a9bf;margin:.55rem 0 0;font-size:.7rem}.footer-nav{gap:3rem;display:flex}.site-footer .footer-nav-label{letter-spacing:.12em;text-transform:uppercase;color:#8fa3bb;margin:0 0 .35rem;font-size:.62rem;font-weight:650}.footer-nav a{color:#b7c2d2;padding-block:.3rem;font-size:.74rem;text-decoration:none;display:inline-block}.footer-nav a:hover{color:var(--accent);text-decoration:underline}.page-shell{min-height:65vh;padding-block:4rem}.page-intro{max-width:800px;margin-bottom:3rem}.page-intro h1{font-size:clamp(2.5rem,5vw,3.6rem)}.lead{color:#aebfd3;max-width:46rem;font-size:1.05rem;line-height:1.85}.filter-controls{border:1px solid var(--line);background:#0e192a;border-radius:.8rem;align-items:end;gap:1rem;padding:1.2rem;display:flex}.field{flex-direction:column;gap:.45rem;min-width:0;display:flex}.field:first-child{flex:1}.field:nth-child(2){width:min(32%,320px)}.field label{color:#cad7e6;font-size:.73rem}input,select{color:#e7edf5;background:#0a1322;border:1px solid #3b506b;border-radius:.4rem;width:100%;min-height:46px;padding:.7rem .9rem;font-size:.85rem}input::placeholder{color:#8e9fb6;opacity:1}.results-count{color:#a7b8cd;margin:1.4rem 0;font-size:.76rem}.learning-list{gap:1.2rem;max-width:880px;display:grid}.learning-list .content-card{padding:2rem}.learning-list .content-card h3{font-size:1.4rem}.article-shell{padding-block:2.3rem 5rem}.back-link{margin-bottom:2rem;font-size:.82rem;text-decoration:none;display:inline-block}.article-header{max-width:940px;margin-bottom:3rem}.article-header h1{font-size:clamp(2rem,4.3vw,3.3rem)}.article-header .eyebrow{flex-wrap:wrap;gap:.8rem;display:flex}.article-header .eyebrow time{color:#a9bdd3}.article-grid{grid-template-columns:minmax(0,1fr) 285px;align-items:start;gap:4.5rem;display:grid}.prose{color:#bfccdc;min-width:0;font-size:.97rem;line-height:1.9}.prose h2{margin-top:2.8rem;margin-bottom:1rem;font-size:1.5rem}.prose>h2:first-child,.prose>section:first-child>h2:first-child{margin-top:0}.prose h3{margin-top:1.8rem;font-size:1.07rem}.prose strong{color:#e7f0fa;font-weight:600}.prose li{margin-bottom:.6rem;padding-left:.25rem}.prose ul,.prose ol{padding-left:1.4rem}.prose blockquote{background:#122239;border-left:3px solid #74cce5;border-radius:0 .65rem .65rem 0;margin:1.6rem 0;padding:1.2rem 1.5rem}.prose blockquote p{margin:0}.prose table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.prose td,.prose th{border:1px solid var(--line);text-align:left;padding:.7rem}.aside-panel{border:1px solid var(--line);background:#101b2c;border-radius:.7rem;margin-bottom:1.2rem;padding:1.35rem}.aside-panel h2{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin-bottom:1rem;font-size:.72rem}.toc,.related-links{margin:0;padding:0;list-style:none}.toc li+li,.related-links li+li{border-top:1px solid #23354a}.toc a,.related-links a{color:#b9cadd;justify-content:space-between;gap:.75rem;padding:.6rem 0;font-size:.77rem;text-decoration:none;display:flex}.toc a:hover,.related-links a:hover{color:var(--accent);text-decoration:underline}.related-links span{color:#78b9dd}.topic-details{margin-top:1.6rem}.topic-details summary{cursor:pointer;color:#a9cde6;padding:.5rem 0;font-size:.8rem}.topic-details summary .badge{margin-left:.4rem}.topic-tags{margin-top:.8rem}.topic-tags li{padding:0}.topic-tags a{color:#bed6e9;padding:.35rem .6rem;text-decoration:none;display:block}.topic-tags a:hover{background:#263d59}.project-empty .empty-state{padding-block:4rem}.project-empty .empty-state h3{font-size:1.55rem}.method-grid{margin-top:1.5rem}.method-grid svg{color:var(--accent);margin-bottom:1rem}.notice{color:#a8c3da;background:#101d2e;border:1px solid #2b4058;border-radius:.65rem;align-items:start;gap:.9rem;padding:1.2rem 1.4rem;font-size:.82rem;display:flex}.notice p{margin:0}.level-guide{border:1px solid var(--line);background:#0e192a;border-radius:.8rem;grid-template-columns:repeat(4,1fr);display:grid}.level-guide>div{border-right:1px solid var(--line);padding:1.5rem}.level-guide>div:last-child{border:0}.level-number{color:#6ab4d3;font-family:ui-monospace,monospace;font-size:.7rem}.level-guide h2{margin:.8rem 0 .5rem;font-size:1rem}.level-guide p{color:var(--muted);margin:0;font-size:.77rem}.skills-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;display:grid}.skill-card h2{font-size:1.3rem}.skill-card h3{text-transform:uppercase;letter-spacing:.07em;color:#abbed4;margin-top:1.4rem;font-size:.7rem}.skill-card .badge{margin-left:auto}.evidence-links{margin:0;padding:0;list-style:none}.evidence-links a{font-size:.83rem}.muted{color:var(--muted);font-size:.83rem}.certification-card{align-items:start;gap:2rem;max-width:900px;padding:2.5rem;display:flex}.cert-icon{color:var(--accent);background:#172c45;border:1px solid #335477;border-radius:1rem;padding:1.2rem}.certification-card h2{margin:1rem 0 .75rem;font-size:1.55rem}.certification-note{margin-top:1.5rem}.about-grid{grid-template-columns:minmax(0,1fr) 310px;gap:5rem;display:grid}.about-sections{color:#b7c6d8;font-size:.97rem}.about-sections section+section{margin-top:3rem}.about-sections h2{font-size:1.5rem}.interest-links{grid-template-columns:1fr 1fr;gap:.6rem;padding:0;list-style:none;display:grid}.interest-links a{background:#122139;border:1px solid #2e4561;border-radius:.4rem;justify-content:space-between;align-items:center;gap:.5rem;padding:.65rem .8rem;font-size:.78rem;text-decoration:none;display:flex}.profile-card{text-align:center}.avatar{color:#9bd9ed;letter-spacing:-.04em;background:linear-gradient(135deg,#28476b,#142a42);border:1px solid #456b8b;border-radius:1.2rem;place-items:center;width:76px;height:76px;margin:.3rem auto 1.3rem;font-size:1.65rem;display:grid}.profile-card h2{font-size:1.35rem}.profile-card h3{text-align:left;font-size:.84rem}.profile-card>p{font-size:.73rem}.profile-links{text-align:left;margin:0;padding:0;list-style:none}.profile-links li{color:#c9d8e8;border-bottom:1px solid #27384d;justify-content:space-between;align-items:center;gap:.5rem;padding:.8rem 0;font-size:.83rem;display:flex}.profile-links small{color:#9cadc3;font-size:.65rem}.profile-card .profile-note{text-align:left;margin-top:1rem;font-size:.7rem}@media (width<=960px){.header-inner{flex-wrap:wrap;gap:0;min-height:80px;padding-block:1rem}[data-enhanced] .menu-button{display:inline-flex}#main-navigation{width:100%;padding-top:.8rem}#main-navigation ul{flex-wrap:wrap;gap:.25rem 1.5rem}#main-navigation a{padding:.7rem 0}#main-navigation .nav-home{display:block}#main-navigation .nav-group-start:before{display:none}}@media (width<=1080px){.article-grid{grid-template-columns:minmax(0,1fr) 250px;gap:2rem}.about-grid{gap:2.5rem}}@media (width<=780px){.container{width:calc(100% - 40px)}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-block{margin-block:3rem}.article-grid,.about-grid{grid-template-columns:1fr}.article-aside{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.aside-panel{margin:0}.article-aside nav{grid-column:1/-1}.filter-controls{flex-wrap:wrap}.field:first-child{flex-basis:100%}.field:nth-child(2){flex:1;width:auto}.filter-controls>button{font-size:.75rem}.level-guide{grid-template-columns:1fr 1fr}.level-guide>div{border-bottom:1px solid var(--line)}.level-guide>div:nth-child(2){border-right:0}.level-guide>div:nth-child(3){border-bottom:0}.certification-card{gap:1.3rem;padding:1.5rem}.profile-card{max-width:420px}}@media (width<=500px){.container{width:calc(100% - 32px)}.button-row .button{width:100%}.section-heading{flex-direction:column;align-items:start;gap:.7rem}.card-grid,.skills-grid{grid-template-columns:1fr}.card,.learning-list .content-card{padding:1.35rem}.card-meta time{margin-left:0}.page-shell{padding-block:2.5rem}.page-intro{margin-bottom:2rem}.lead{font-size:.95rem}.article-aside{grid-template-columns:1fr}.article-header{margin-bottom:2rem}.article-header .eyebrow{font-size:.6rem}.article-grid{gap:3rem}.empty-state{padding:1.7rem 1.2rem}.project-empty .empty-state{padding-block:2.5rem}.certification-card{flex-direction:column}.interest-links{grid-template-columns:1fr}.footer-inner{flex-direction:column;gap:1.5rem}.footer-nav{flex-wrap:wrap;gap:1.25rem 2.5rem}}@media (prefers-reduced-motion:no-preference){a,button{transition:color .15s,background-color .15s,border-color .15s}}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.lesson-position{flex-wrap:wrap;align-items:center;gap:.6rem;margin:1rem 0 0;font-size:.85rem;display:flex}.lesson-panel,.lesson-callout{border:1px solid var(--line);background:var(--panel);border-left-width:4px;border-radius:.6rem;margin:1.6rem 0;padding:1rem 1.25rem}.lesson-panel>:last-child,.lesson-callout>:last-child{margin-bottom:0}.lesson-panel-label{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0 0 .5rem;font-size:.72rem;font-weight:600}.lesson-callout-title{text-transform:none;letter-spacing:0;color:#e7edf5;font-size:.9rem}.lesson-prerequisites,.lesson-callout-why,.lesson-callout-steps{border-left-color:var(--accent)}.lesson-callout-example,.lesson-callout-practice{border-left-color:#f5c451}.lesson-callout-misconception{border-left-color:#fb923c}.lesson-revision-actions{flex-wrap:wrap;gap:1rem;margin:1rem 0 0;font-size:.85rem;display:flex}.lesson-revision .muted,.assessment-focus .muted{font-size:.78rem}.term{color:inherit;text-decoration:underline dotted var(--term-line);text-underline-offset:.24em;cursor:help;border-radius:.2rem;text-decoration-thickness:1.5px}.term:hover,.term:focus-visible,.term[aria-expanded=true]{color:var(--term);text-decoration-style:solid}.term[aria-expanded=true]{background:var(--term-bg);box-shadow:0 0 0 .15em var(--term-bg)}.term-definitions{display:none}.term-popover{z-index:60;background:var(--definition-bg);border:1px solid #2a6a47;border-left:4px solid var(--definition-border);color:#e7edf5;letter-spacing:0;text-align:left;text-transform:none;white-space:normal;cursor:auto;border-radius:.6rem;width:min(22rem,100vw - 1.5rem);padding:.75rem .95rem .8rem;font-size:.86rem;font-style:normal;font-weight:400;line-height:1.55;display:block;position:fixed;top:0;left:0;box-shadow:0 .75rem 2rem #0000008c}.term-popover>*{display:block}.term-popover-label{letter-spacing:.07em;text-transform:uppercase;color:var(--definition-label);font-size:.66rem;font-weight:600}.term-popover-name{margin:.1rem 0 .3rem;font-size:.92rem}.term-popover-name dfn{font-style:normal;font-weight:600}.term-popover-detail{color:var(--muted)}.term-popover-link{width:fit-content;margin-top:.5rem;padding:.15rem 0;font-size:.8rem}.definition-panel{background:var(--definition-bg);border:1px solid #1f5136;border-left:4px solid var(--definition-border);color:#e7edf5;border-radius:.6rem;margin:1rem 0;padding:.9rem 1.15rem}.definition-panel p{margin:0 0 .45rem}.definition-panel>:last-child,.definition-panel dd>:last-child{margin-bottom:0}.definition-label{letter-spacing:.06em;text-transform:uppercase;color:var(--definition-label);font-size:.7rem;font-weight:600}.definition-panel dfn{font-style:normal;font-weight:600}.definition-link{font-size:.82rem}.key-terms,.glossary-list{margin:1rem 0;padding:0}.key-terms dd,.glossary-list dd{margin:.3rem 0 0}.check-understanding{padding-left:1.4rem}.check-question{margin-bottom:1.4rem}.check-prompt{margin-bottom:.5rem;font-weight:600}.check-provisional{letter-spacing:.04em;color:#f5c451;margin:0 0 .3rem;font-size:.72rem;font-weight:600}.check-options{margin:0 0 .6rem}.check-answer{border:1px solid var(--line);border-radius:.5rem;padding:.6rem .9rem}.check-answer summary{cursor:pointer;color:var(--accent)}.check-answer p{margin:.5rem 0 0}.address-parts{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:1rem 1.2rem;overflow-x:auto}.address-parts figcaption{margin-bottom:.8rem;font-weight:600}.address-octets{flex-wrap:wrap;gap:.9rem;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;display:flex}.address-octet{justify-items:center;gap:.3rem;display:grid}.address-decimal{font-size:1rem;font-weight:600}.address-bits{gap:.1rem;display:flex}.address-bit{border-radius:.2rem;justify-items:center;min-width:1.05rem;padding:.1rem 0;display:grid}.address-bit small{font-size:.75rem;font-weight:700}.address-bit.is-network{color:var(--network-portion);background:#0f2a1d}.address-bit.is-host{color:var(--host-portion);background:#122338}.address-legend{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.5rem .8rem;margin:.9rem 0 0;font-size:.82rem;display:flex}.portion-key{border-radius:.25rem;place-items:center;width:1.4rem;height:1.4rem;font-weight:700;display:inline-grid}.portion-key.is-network{color:var(--network-portion);border:1px solid var(--network-portion);background:#0f2a1d}.portion-key.is-host{color:var(--host-portion);border:1px solid var(--host-portion);background:#122338}.guide-shell{grid-template-columns:17.5rem minmax(0,1fr);align-items:start;gap:3.5rem;padding-block:2.5rem 5rem;display:grid}.guide-main{min-width:0;max-width:52rem}.guide-sidebar{overscroll-behavior:contain;scrollbar-width:thin;max-height:calc(100vh - 2rem);padding:.25rem .6rem .25rem 0;position:sticky;top:1rem;overflow-y:auto}.guide-contents-toggle{display:none}.guide-filter{margin:0 0 .7rem;position:relative}.guide-filter-icon{color:var(--muted);pointer-events:none;position:absolute;top:50%;left:.65rem;transform:translateY(-50%)}.guide-filter input{border:1px solid var(--line);color:#e7edf5;width:100%;min-height:2.4rem;font:inherit;appearance:none;background:#0b1524;border-radius:.5rem;padding:.4rem 2.3rem .4rem 2.05rem;font-size:.84rem}.guide-filter input::placeholder{color:#8fa1b8}.guide-filter input::-webkit-search-cancel-button,.guide-filter input::-webkit-search-decoration{appearance:none;display:none}.guide-filter input:hover{border-color:#3b5372}.guide-filter input:focus-visible{outline-offset:-1px}.guide-filter-clear{width:2rem;height:2rem;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:.4rem;place-items:center;font-size:1.15rem;line-height:1;display:grid;position:absolute;top:50%;right:.2rem;transform:translateY(-50%)}.guide-filter-clear:hover{color:#e7edf5;background:#14243a}.guide-filter-empty{color:var(--muted);margin:.4rem 0 .2rem;padding:.6rem;font-size:.84rem}.guide-modules,.guide-module-nav ol{margin:0;padding:0;list-style:none}.guide-modules>li+li{margin-top:.35rem}.guide-module-nav>summary,.guide-contents-toggle{list-style:none}.guide-module-nav>summary::-webkit-details-marker,.guide-contents-toggle::-webkit-details-marker{display:none}.guide-module-nav>summary{cursor:pointer;color:#dbe6f2;border-radius:.45rem;align-items:flex-start;gap:.6rem;padding:.55rem .5rem;font-size:.86rem;font-weight:600;line-height:1.35;display:flex}.guide-module-nav>summary:before,.guide-contents-toggle:before{content:"";border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);flex:none;width:.42rem;height:.42rem;margin-top:.95rem;transform:rotate(-45deg)}.guide-module-nav[open]>summary:before,.guide-contents[open]>.guide-contents-toggle:before{transform:rotate(45deg)}.guide-module-nav>summary:hover{background:#101b2c}.guide-module-number{letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:.15rem;font-size:.64rem;font-weight:600;display:block}.guide-module-nav ol{margin:.15rem 0 .5rem}.guide-module-nav a{color:#b9cadd;border-left:2px solid #0000;border-radius:0 .4rem .4rem 0;gap:.55rem;padding:.45rem .6rem;font-size:.8rem;line-height:1.4;text-decoration:none;display:flex}.guide-module-nav a:hover{color:var(--accent);background:#101b2c}.guide-module-nav a[aria-current=page],.guide-glossary-link[aria-current=page]{color:#f3f7fc;border-left-color:var(--accent);background:#14243a;font-weight:600}.guide-lesson-number{color:var(--muted);font-variant-numeric:tabular-nums;flex:0 0 2.1rem}.guide-glossary-link{border-top:1px solid var(--line);color:#dbe6f2;border-left:2px solid #0000;margin-top:1rem;padding:.7rem .6rem;font-size:.86rem;font-weight:600;text-decoration:none;display:block}.guide-glossary-link:hover{color:var(--accent)}.guide-lesson .article-header{margin-bottom:2.2rem}.guide-intro{margin-top:1.5rem}.planned-list{padding-left:1.2rem}.planned-list li{color:var(--muted);margin-bottom:.55rem}.planned-list strong{color:#d3deeb}.lesson-related{border-top:1px solid var(--line);margin-top:3.5rem;padding-top:2rem}.lesson-related>h2{margin-bottom:1.2rem;font-size:1.3rem}.lesson-related-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));align-items:start;gap:1rem;display:grid}.lesson-related .aside-panel{margin:0}.lesson-related .aside-panel h3{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0 0 1rem;font-size:.72rem}@media (width<=960px){.guide-shell{grid-template-columns:1fr;gap:1.5rem;padding-top:1.5rem}.guide-sidebar{max-height:none;padding:0;position:static;overflow:visible}.guide-contents{border:1px solid var(--line);background:var(--panel);border-radius:.65rem;padding:0 .75rem}.guide-contents[open]{padding-bottom:.75rem}.guide-contents-toggle{cursor:pointer;color:#e7edf5;align-items:center;gap:.7rem;min-height:3rem;font-weight:600;display:flex}.guide-contents-toggle:before{margin-top:0}.guide-main{max-width:none}}.address-classes,.mask-and,.routed-networks{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.address-classes figcaption,.mask-and figcaption,.routed-networks figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.address-classes-intro,.routed-networks-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.address-classes ul{grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:.8rem;margin:0;padding:0;list-style:none;display:grid}.address-classes li{background:#0c1727;border:1px solid #36516a;border-radius:.6rem;margin:0;padding:.9rem 1rem}.address-classes li p{margin:0 0 .45rem;font-size:.85rem}.address-class-name{color:#e7f0fa;font-weight:650}.address-class-range,.address-class-mask{color:#bfccdc}.address-class-octets{gap:.3rem;display:flex}.address-class-octet{border-radius:.35rem;flex:1;place-items:center;min-height:2.1rem;font:700 .9rem ui-monospace,Cascadia Mono,Consolas,monospace;display:inline-grid}.address-class-octet.is-network{color:var(--network-portion);background:#0f2a1d;border:1px solid #2f6b48}.address-class-octet.is-host{color:var(--host-portion);background:#122338;border:1px solid #365a86}.address-classes-note{margin:.9rem 0 0;font-size:.8rem}.mask-and-rows{gap:.8rem;display:grid}.mask-and-row{gap:.35rem;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.85rem;display:grid}.mask-and-row.is-result{border-top:1px dashed var(--line);padding-top:.8rem;font-weight:700}.mask-and-heading{flex-wrap:wrap;gap:.3rem 1rem;display:flex}.mask-and-label{color:#bfccdc}.mask-and-decimal{color:#e7edf5}.mask-and-bits{flex-wrap:wrap;gap:.45rem .6rem;display:flex}.mask-and .address-bit{min-width:1rem}.mask-and-row.is-portion .address-bit{padding:0}.routed-networks-map{grid-template-columns:1fr auto 1fr;grid-template-areas:"left router right";align-items:center;gap:0;display:grid}.routed-network{background:#0f2a1d;border:1px solid #2f6b48;border-radius:.6rem;padding:.9rem 1rem}.routed-network.is-left{grid-area:left}.routed-network.is-right{grid-area:right}.routed-network-label{letter-spacing:.04em;text-transform:uppercase;color:var(--network-portion);margin:0 0 .6rem;font-size:.75rem}.routed-network-id{text-transform:none;letter-spacing:0;font-family:ui-monospace,Cascadia Mono,Consolas,monospace}.routed-host{background:#0c1727;border:1px solid #36516a;border-radius:.45rem;gap:.15rem;margin:0;padding:.6rem .7rem;font-size:.85rem;display:grid}.routed-host span{color:var(--host-portion);font-family:ui-monospace,Cascadia Mono,Consolas,monospace}.routed-router{border:2px solid var(--accent);text-align:center;background:#0c1727;border-radius:999px;grid-area:router;justify-items:center;gap:.15rem;margin-inline:1.4rem;padding:.8rem 1rem;font-size:.78rem;display:grid;position:relative}.routed-router:before,.routed-router:after{content:"";border-top:2px solid var(--accent);width:1.4rem;position:absolute;top:50%}.routed-router:before{right:100%}.routed-router:after{left:100%}.routed-router strong{color:#e7f0fa;font-size:.9rem}.routed-networks-note{margin:1rem 0 0;font-size:.8rem}@media (width<=720px){.routed-networks-map{grid-template-columns:1fr;grid-template-areas:"left""router""right"}.routed-router{margin:1.2rem auto}.routed-router:before,.routed-router:after{border-top:0;border-left:2px solid var(--accent);width:0;height:1.2rem;top:auto;left:50%}.routed-router:before{bottom:100%;right:auto}.routed-router:after{top:100%}}.factor-equation,.exposure-matrix,.dependency-diagram{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.factor-equation figcaption,.exposure-matrix figcaption,.dependency-diagram figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.factor-equation-description,.exposure-matrix-description,.dependency-diagram-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.factor-equation-row{grid-template-columns:1fr auto 1fr auto 1fr auto 1.1fr;align-items:stretch;gap:.5rem;display:grid}.factor-equation-factor,.factor-equation-result{background:#0c1727;border:1px solid #36516a;border-radius:.6rem;padding:.85rem .9rem;font-size:.82rem}.factor-equation-factor p,.factor-equation-result p{margin:0 0 .45rem}.factor-equation-factor>:last-child,.factor-equation-result>:last-child{margin-bottom:0}.factor-equation-result{border:2px solid #fb923c}.factor-equation-title{color:#e7f0fa;font-size:.9rem;font-weight:650}.factor-equation-question{color:#bfccdc}.factor-equation-lever{color:#bfccdc;border-top:1px dashed var(--line);padding-top:.45rem}.factor-equation-lever-label{color:var(--accent);font-weight:600}.factor-equation-operator{color:var(--accent);place-self:center;font-size:1.3rem;font-weight:700}.exposure-matrix-grid{grid-template-columns:7.5rem 1fr 1fr;gap:.5rem;display:grid}.exposure-matrix-axis{color:var(--accent);letter-spacing:.02em;margin:0;font-size:.78rem;font-weight:600}.exposure-matrix-axis.is-column{text-align:center;align-self:end}.exposure-matrix-axis.is-row{align-self:center}.exposure-matrix-cell{background:#0c1727;border:1px solid #36516a;border-left-width:4px;border-radius:.6rem;padding:.85rem .9rem;font-size:.82rem}.exposure-matrix-cell p{color:#bfccdc;margin:0}.exposure-matrix-cell .exposure-matrix-cell-title{color:#e7f0fa;margin-bottom:.35rem;font-weight:650}.exposure-matrix-cell .exposure-matrix-cell-tag{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.exposure-matrix-cell.is-high{border-left-color:#fb923c}.exposure-matrix-cell.is-medium{border-left-color:#f5c451}.exposure-matrix-cell.is-low{border-left-color:var(--accent)}.dependency-diagram-panels{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.dependency-panel{background:#0c1727;border:1px solid #36516a;border-radius:.6rem;padding:.9rem 1rem;font-size:.82rem}.dependency-panel.is-shared{border-color:#fb923c}.dependency-panel-label{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0 0 .7rem;font-size:.75rem;font-weight:600}.dependency-source{color:#fed7aa;background:#2a1a0d;border:1px solid #fb923c;border-radius:.4rem;margin:0 0 .5rem;padding:.35rem .6rem;font-weight:600;display:inline-block}.dependency-source.is-small{border-color:var(--accent);color:#c0f2ff;background:#0f2233;margin:0;padding:.2rem .45rem;font-weight:500}.dependency-panel ul{gap:.45rem;margin:0;padding:0;list-style:none;display:grid}.dependency-panel li{color:#e7edf5;flex-wrap:wrap;align-items:center;gap:.4rem;margin:0;display:flex}.dependency-link{opacity:.6;border-top:2px solid;width:1.1rem}.dependency-panel.is-shared li{border-left:2px solid #fb923c;padding-left:1rem}.dependency-panel-note{color:#bfccdc;margin:.8rem 0 0}@media (width<=900px){.factor-equation-row{grid-template-columns:1fr}.factor-equation-operator{transform:none}}@media (width<=640px){.exposure-matrix-grid{grid-template-columns:1fr}.exposure-matrix-corner,.exposure-matrix-axis.is-column,.exposure-matrix-axis.is-row{display:none}.exposure-matrix-cell .exposure-matrix-cell-tag{clip:auto;white-space:normal;letter-spacing:.04em;text-transform:uppercase;width:auto;height:auto;color:var(--accent);margin-bottom:.3rem;font-size:.75rem;font-weight:600;position:static;overflow:visible}.dependency-diagram-panels{grid-template-columns:1fr}}.scope-diagram,.decision-flow{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.scope-diagram figcaption,.decision-flow figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.scope-diagram-description,.decision-flow-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.scope-diagram-rings{gap:.45rem;margin:0;padding:0;list-style:none;display:grid}.scope-ring{margin:0 0 0 calc(var(--depth) * clamp(.6rem, 3vw, 1.6rem));background:#0c1727;border:1px dashed #4a6380;border-radius:.6rem;padding:.75rem .9rem;font-size:.82rem}.scope-ring p{color:#bfccdc;margin:0}.scope-ring .scope-ring-title{color:#e7edf5;margin-bottom:.3rem;font-weight:650}.scope-ring.is-permitted{border:2px solid var(--definition-border);background:var(--definition-bg)}.scope-ring-badge{color:var(--definition-label);letter-spacing:.05em;text-transform:uppercase;vertical-align:middle;background:#14532d;border-radius:.3rem;margin-right:.5rem;padding:.05rem .45rem;font-size:.75rem;display:inline-block}.scope-diagram-note{color:var(--muted);margin:.9rem 0 0;font-size:.8rem}.decision-flow-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:.2rem;font-size:.75rem;font-weight:600;display:block}.decision-flow-start{border:2px solid var(--accent);text-align:center;color:#e7edf5;background:#0c1727;border-radius:.6rem;max-width:34rem;margin:0 auto 1rem;padding:.75rem .9rem;font-size:.88rem}.decision-flow-paths{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.decision-flow-path{background:#0c1727;border:1px solid #36516a;border-top-width:4px;border-radius:.6rem;padding:.85rem 1rem;font-size:.82rem}.decision-flow-path.is-good{border-top-color:var(--definition-border)}.decision-flow-path.is-bad{border-top-color:#fb923c}.decision-flow-path-label{color:#e7edf5;margin:0 0 .6rem;font-weight:650}.decision-flow-path ol{color:#bfccdc;margin:0 0 .7rem;padding-left:1.2rem}.decision-flow-path li{margin-bottom:.3rem}.decision-flow-outcome{border-top:1px dashed var(--line);color:#e7edf5;margin:0;padding-top:.6rem}@media (width<=720px){.decision-flow-paths{grid-template-columns:1fr}}.moved-sections{border:1px dashed var(--line);border-radius:.6rem;margin-top:3rem;padding:1rem 1.25rem;font-size:.88rem}.moved-sections h2{margin:0 0 .4rem;font-size:1rem}.moved-sections p{color:var(--muted);margin:0 0 .6rem}.moved-sections ul{margin:0;padding-left:1.2rem}.moved-sections li{margin-bottom:.25rem;scroll-margin-top:1rem}.moved-pointer{margin:0 0 1.5rem;scroll-margin-top:1rem}.moved-pointer:not(:target){display:none}.address-bit:not(.is-network):not(.is-host){color:#d3deeb;background:#14243a}.address-octet-label{color:var(--muted);font-family:inherit;font-size:.75rem}.binary-octet,.layer-map,.encapsulation-diagram,.subnet-calc,.subnet-blocks,.vlan-trunk,.sequence-diagram{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.binary-octet figcaption,.layer-map figcaption,.encapsulation-diagram figcaption,.subnet-calc figcaption,.subnet-blocks figcaption,.vlan-trunk figcaption,.sequence-diagram figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.layer-map-description,.encapsulation-description,.subnet-blocks-description,.vlan-trunk-description,.sequence-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.binary-octet-grid{text-align:center;grid-template-columns:5.5rem repeat(8,minmax(1.8rem,1fr));gap:.3rem;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.85rem;display:grid}.binary-octet-label{text-align:left;color:var(--muted);align-self:center;font-family:inherit;font-size:.75rem}.binary-octet-place{color:var(--accent);font-weight:600}.binary-octet-bit{background:#0c1727;border:1px solid #36516a;border-radius:.3rem;padding:.3rem 0;font-weight:700}.binary-octet-bit.is-one{color:#e7edf5;border-color:var(--accent)}.binary-octet-bit.is-zero{color:#6f829a}.binary-octet-count{color:#bfccdc}.binary-octet-sum{margin:.8rem 0 0;font-size:.9rem;font-weight:600}.layer-map-grid{grid-template-columns:1fr 1fr;gap:.35rem .6rem;display:grid}.layer-map-heading{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0;font-size:.75rem;font-weight:600}.layer-map-osi,.layer-map-tcpip{background:#0c1727;border:1px solid #36516a;border-radius:.45rem;margin:0;padding:.5rem .7rem;font-size:.85rem}.layer-map-number{min-width:1.4rem;color:var(--accent);font-weight:700;display:inline-block}.layer-map-tcpip{border-color:var(--accent);align-content:center;gap:.15rem;display:grid}.layer-map-tcpip .muted{font-size:.75rem}.encap-layer{border:1px solid #36516a;border-radius:.5rem;padding:.5rem}.encap-frame{background:#0c1727}.encap-packet{background:#101f33;flex:1;min-width:0}.encap-segment{background:#14263d;flex:1;min-width:0}.encap-label{color:#e7edf5;margin:0 0 .4rem;font-size:.78rem;font-weight:600}.encap-row{flex-wrap:wrap;align-items:stretch;gap:.4rem;display:flex}.encap-header,.encap-data{border-radius:.35rem;align-content:center;gap:.1rem;padding:.45rem .55rem;font-size:.75rem;font-weight:600;display:grid}.encap-header{color:#c0f2ff;border:1px dashed var(--accent);background:#1c2c44}.encap-data{color:#e7edf5;background:#0b2419;border:1px solid #2f6b48;flex:1;min-width:8rem}.encap-header small,.encap-data small{color:#bfccdc;font-size:.75rem;font-weight:400}.encap-note{color:var(--muted);margin:.8rem 0 0;font-size:.8rem}.subnet-calc-list{gap:.35rem;margin:0;display:grid}.subnet-calc-list>div{background:#0c1727;border-radius:.4rem;grid-template-columns:minmax(9rem,13rem) 1fr;gap:.8rem;padding:.45rem .6rem;font-size:.85rem;display:grid}.subnet-calc-list dt{color:#bfccdc}.subnet-calc-list dd{color:#e7edf5;overflow-wrap:anywhere;margin:0;font-family:ui-monospace,Cascadia Mono,Consolas,monospace}.subnet-blocks-list{grid-template-columns:repeat(auto-fill,minmax(6.5rem,1fr));gap:.35rem;margin:0;padding:0;list-style:none;display:grid}.subnet-blocks-list li{text-align:center;background:#0c1727;border:1px solid #36516a;border-radius:.35rem;margin:0;padding:.4rem .5rem;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.8rem}.subnet-blocks-list li.is-here{background:var(--definition-bg);border:2px solid var(--definition-border);grid-column:span 2;font-weight:700}.subnet-blocks-marker{color:var(--definition-label);font-family:inherit}.vlan-trunk-map{grid-template-columns:1fr minmax(8rem,.8fr) 1fr;align-items:center;gap:.6rem;display:grid}.vlan-switch{background:#0c1727;border:1px solid #36516a;border-radius:.6rem;padding:.7rem}.vlan-switch-name,.vlan-link-name{color:#e7edf5;margin:0 0 .5rem;font-size:.88rem;font-weight:650}.vlan-port,.vlan-lane{color:#e7edf5;border-left:4px solid;border-radius:.35rem;margin:0 0 .35rem;padding:.35rem .5rem;font-size:.78rem}.vlan-port.is-10,.vlan-lane.is-10{background:#2a220d;border-color:#f5c451}.vlan-port.is-20,.vlan-lane.is-20{background:#1d1733;border-color:#c4b5fd}.vlan-tag{margin-right:.4rem;font-weight:700;display:inline-block}.vlan-link{border:2px dashed var(--accent);text-align:center;border-radius:.6rem;padding:.6rem}.vlan-trunk-note{color:var(--muted);margin:.8rem 0 0;font-size:.8rem}.sequence-lanes{color:var(--accent);justify-content:space-between;margin-bottom:.4rem;font-size:.8rem;font-weight:650;display:flex}.sequence-messages{border-left:2px solid #36516a;border-right:2px solid #36516a;gap:.4rem;margin:0;padding:0;list-style:none;display:grid}.sequence-message{background:#0c1727;border-radius:.4rem;grid-template-columns:auto 1fr;align-items:center;gap:.5rem;margin:0 .6rem;padding:.45rem .6rem;font-size:.82rem;display:grid}.prose .sequence-messages{margin:0;padding:0}.prose .sequence-message{margin:0 .6rem;padding:.45rem .6rem}.sequence-message.is-left{grid-template-columns:1fr auto}.sequence-message.is-left .sequence-arrow{order:2}.sequence-arrow{color:var(--accent);font-size:1.1rem;font-weight:700}.sequence-text{gap:.1rem;display:grid}.sequence-message.is-left .sequence-text{text-align:right}.sequence-detail{color:#bfccdc;font-size:.78rem}.sequence-note{color:var(--muted);margin:.8rem 0 0;font-size:.8rem}@media (width<=720px){.vlan-trunk-map{grid-template-columns:1fr}.subnet-calc-list>div{grid-template-columns:1fr;gap:.15rem}.binary-octet-grid{grid-template-columns:3.8rem repeat(8,minmax(1.5rem,1fr));font-size:.75rem}}@media (width<=480px){.encap-row{flex-direction:column}.encap-data{min-width:0}.binary-octet-grid{grid-template-columns:repeat(8,minmax(0,1fr));gap:.25rem}.binary-octet-label{grid-column:1/-1;margin-top:.2rem}}.port-security,.firewall-rules,.segmentation-zones{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.port-security figcaption,.firewall-rules figcaption,.segmentation-zones figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.port-security-description,.firewall-rules-description,.segmentation-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.port-security-frames,.firewall-flows,.prose .port-security-frames,.prose .firewall-flows,.prose .segmentation-zone-list{gap:.4rem;margin:0;padding:0;list-style:none;display:grid}.prose .segmentation-zone-list{gap:.6rem}.prose .port-security-frame,.prose .firewall-flow,.prose .segmentation-zone{margin:0;padding:.55rem .75rem}.port-security-frame{background:#0c1727;border:1px solid #36516a;border-left-width:4px;border-radius:.45rem;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.6rem;margin:0;padding:.5rem .7rem;font-size:.82rem;display:grid}.port-security-frame code{overflow-wrap:anywhere;font-size:.78rem}.port-security-frame.is-learned,.port-security-frame.is-known,.firewall-flow.is-allowed{border-left-color:var(--definition-border)}.port-security-frame.is-violation,.firewall-flow.is-denied{border-left-color:#fb923c}.port-security-mark{color:#e7edf5;font-weight:700}.port-security-status{color:#bfccdc;text-align:right;font-size:.78rem}.port-security-summary{color:#e7edf5;margin:.7rem 0;font-size:.82rem}.port-security-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem;display:grid}.port-security-actions section{color:#bfccdc;background:#0c1727;border:1px solid #36516a;border-radius:.5rem;padding:.7rem .8rem;font-size:.8rem}.port-security-actions p{margin:0}.port-security-action-name{color:#e7edf5;font-weight:650;margin-bottom:.35rem!important}.port-security-note,.firewall-rules-note,.segmentation-note{color:var(--muted);margin:.8rem 0 0;font-size:.8rem}.firewall-rules table{margin:0 0 1rem;font-size:.8rem}.firewall-default td,.firewall-default th{font-style:italic}.firewall-flow{background:#0c1727;border:1px solid #36516a;border-left-width:4px;border-radius:.45rem;margin:0;padding:.55rem .75rem;font-size:.82rem}.firewall-flow p{margin:0}.firewall-flow-label{color:#e7edf5;font-weight:650}.firewall-flow-path{color:#bfccdc;overflow-wrap:anywhere;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.78rem}.firewall-flow-result{color:#e7edf5;margin-top:.2rem!important}.segmentation-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:.2rem;font-size:.75rem;font-weight:600;display:block}.segmentation-enforcement{border:2px solid var(--accent);text-align:center;color:#e7edf5;background:#0c1727;border-radius:.6rem;max-width:34rem;margin:0 auto 1rem;padding:.7rem .9rem;font-size:.86rem}.segmentation-zone-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;margin:0;padding:0;list-style:none;display:grid}.segmentation-zone{color:#bfccdc;background:#0c1727;border:1px dashed #5b7a99;border-radius:.55rem;margin:0;padding:.7rem .8rem;font-size:.8rem}.segmentation-zone p{margin:0 0 .35rem}.segmentation-zone-name{color:#e7edf5;font-size:.88rem;font-weight:650}.segmentation-zone-network{color:var(--accent);font-family:ui-monospace,Cascadia Mono,Consolas,monospace}.segmentation-zone-reach{border-top:1px solid var(--line);color:#e7edf5;padding-top:.45rem;margin:.5rem 0 0!important}@media (width<=720px){.port-security-actions,.segmentation-zone-list{grid-template-columns:1fr}.port-security-frame{grid-template-columns:auto minmax(0,1fr)}.port-security-status{text-align:left;grid-column:2}}.lab-topology{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.lab-topology figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.lab-topology-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.lab-topology-map,.prose .lab-topology-map{max-width:34rem;margin:0 auto;padding:0;list-style:none;display:grid}.prose .lab-topology-map>li{margin:0}.lab-topology-node{color:#bfccdc;background:#0c1727;border:1px solid #36516a;border-radius:.6rem;min-width:0;padding:.75rem .9rem;font-size:.82rem}.lab-topology-node p{margin:0}.lab-topology-node.is-network{text-align:center;border-style:dashed;border-color:#5b7a99}.lab-topology-node.is-external{background:#111c2e}.lab-topology-node.is-lab{background:#0f2a1d;border-color:#2f6b48}.lab-topology-node.is-target{border-left:4px solid #fb923c}.lab-topology-name{color:#e7edf5;font-size:.9rem;font-weight:650}.lab-topology-role{color:var(--accent);margin-top:.15rem!important}.lab-topology-detail{margin-top:.35rem!important}.lab-topology-adapters,.prose .lab-topology-adapters{gap:.35rem;margin:.6rem 0 0;padding:0;list-style:none;display:grid}.lab-topology-adapters li,.prose .lab-topology-adapters li{background:#101a2a;border:1px solid #36516a;border-radius:.4rem;grid-template-columns:auto auto minmax(0,1fr);align-items:baseline;gap:.15rem .6rem;margin:0;padding:.4rem .6rem;display:grid}.lab-topology-adapter-label{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem}.lab-topology-adapter-mode{color:#e7edf5;font-weight:650}.lab-topology-link{justify-content:center;padding:.15rem 0;display:flex}.lab-topology-link span{border-left:2px solid var(--accent);color:var(--accent);overflow-wrap:anywhere;padding:.55rem 0 .55rem 1rem;font:.78rem/1.4 ui-monospace,Cascadia Mono,Consolas,monospace;position:relative}.lab-topology-note{color:var(--muted);margin:1rem 0 0;font-size:.8rem}@media (width<=520px){.lab-topology-adapters li,.prose .lab-topology-adapters li{grid-template-columns:auto minmax(0,1fr)}.lab-topology-adapter-purpose{grid-column:1/-1}}.layer-stack{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.layer-stack figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.layer-stack-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.layer-stack-layers,.prose .layer-stack-layers{max-width:34rem;margin:0 auto;padding:0;list-style:none;display:grid}.prose .layer-stack-layers>li{margin:0}.layer-stack-layer{color:#bfccdc;background:#0c1727;border:1px solid #36516a;border-radius:.6rem;min-width:0;padding:.75rem .9rem;font-size:.82rem;position:relative;margin-bottom:2.1rem!important}.layer-stack-layer:last-child{background:#111c2e;border-color:#5b7a99;margin-bottom:0!important}.layer-stack-layer p{margin:0}.layer-stack-name{color:#e7edf5;font-size:.9rem;font-weight:650}.layer-stack-text{margin-top:.3rem!important}.layer-stack-join{color:var(--accent);white-space:nowrap;padding:.35rem 0;font:.78rem/1.4 ui-monospace,Cascadia Mono,Consolas,monospace;position:absolute;top:100%;left:50%;transform:translate(-50%)}.layer-stack-note{color:var(--muted);margin:1rem 0 0;font-size:.8rem}.lab-note{border:1px solid #36516a;border-left:4px solid var(--accent);background:#0c1727;border-radius:.6rem;margin:1.4rem 0;padding:.9rem 1.1rem}.lab-note.is-safety{border-left-color:#fb923c}.lab-note>:first-child{margin-top:0}.lab-note>:last-child{margin-bottom:0}.lab-note-label{letter-spacing:.06em;text-transform:uppercase;color:#e7edf5;font-size:.72rem;font-weight:650}.risk-rating,.ale-comparison{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.risk-rating figcaption,.ale-comparison figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.risk-rating-description,.ale-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.risk-rating-list,.ale-list,.prose .risk-rating-list,.prose .ale-list{gap:.6rem;margin:0;padding:0;list-style:none;display:grid}.risk-rating-item,.ale-item,.prose .risk-rating-item,.prose .ale-item{color:#bfccdc;background:#0c1727;border:1px solid #36516a;border-left-width:4px;border-radius:.5rem;margin:0;padding:.7rem .85rem;font-size:.82rem}.risk-rating-item p,.ale-item p{margin:0 0 .3rem}.risk-rating-label,.ale-label{color:#e7edf5;font-weight:650}.risk-rating-sum,.ale-sum{color:#e7edf5}.risk-rating-item.is-low{border-left-color:#6fcf97}.risk-rating-item.is-medium{border-left-color:#e2d36b}.risk-rating-item.is-high{border-left-color:#fb923c}.risk-rating-item.is-very-high{border-left-color:#f472b6}.ale-item.is-baseline{border-left-color:var(--accent)}.ale-result{border-top:1px dashed var(--line);color:#e7edf5;padding-top:.4rem;margin-top:.4rem!important}.risk-rating-note,.ale-note{color:var(--muted);margin:.8rem 0 0;font-size:.8rem}.do-not-confuse{border:1px solid var(--line);background:var(--panel);border-left:4px solid #c4a7f5;border-radius:.6rem;margin:1.6rem 0;padding:1rem 1.25rem}.do-not-confuse-label{letter-spacing:.06em;text-transform:uppercase;color:#d6c3f8;margin:0 0 .2rem;font-size:.72rem;font-weight:600}.do-not-confuse-title{color:#e7edf5;margin:0 0 .7rem;font-weight:650}.do-not-confuse-rows{gap:.45rem;margin:0;display:grid}.do-not-confuse-row{background:#0c1727;border:1px solid #36516a;border-radius:.5rem;grid-template-columns:minmax(9rem,15rem) minmax(0,1fr);align-items:baseline;gap:.2rem 1rem;padding:.55rem .75rem;display:grid}.do-not-confuse-row dt{color:#e7edf5;min-width:0;margin:0;font-weight:650}.do-not-confuse-row dd{color:#d3deeb;min-width:0;margin:0;font-size:.9rem}.do-not-confuse-cue{min-width:3.6rem;color:var(--accent);margin-right:.5rem;font-weight:700;display:inline-block}.do-not-confuse-cue:after{content:" →";font-weight:400}.do-not-confuse-means{display:block}.do-not-confuse-example{color:var(--muted);margin-top:.2rem;font-size:.82rem;display:block}.do-not-confuse-note{color:var(--muted);margin:.8rem 0 0;font-size:.85rem}@media (width<=640px){.do-not-confuse-row{grid-template-columns:1fr}}.surface-map{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.surface-map>figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.surface-map-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.surface-map-note{color:var(--muted);margin:.9rem 0 0;font-size:.8rem}.surface-map :is(ul,ol){margin:0;padding:0;list-style:none}.surface-map li{margin:0;padding:0}.surface-map-layout{gap:.6rem;display:grid}.surface-map-centre{border:2px solid var(--accent);text-align:center;color:#bfccdc;background:#0c1727;border-radius:.6rem;padding:.8rem 1rem;font-size:.84rem}.surface-map-centre p{margin:0}.surface-map-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 .25rem;font-size:.75rem;font-weight:600;display:block}.surface-map-centre-name,.surface-map-name{color:#e7edf5;margin:0 0 .35rem;font-size:.98rem;font-weight:650}.surface-map .surface-map-areas{gap:.6rem;display:grid}.surface-map .surface-map-area{border:1px solid #36516a;border-top:4px solid var(--accent);color:#bfccdc;background:#0c1727;border-radius:.6rem;min-width:0;padding:.8rem .9rem;font-size:.82rem}.surface-map .surface-map-points{gap:.2rem;padding-left:1rem;list-style:outside;display:grid}.surface-map-vector{border-top:1px dashed var(--line);color:#e7edf5;margin:.6rem 0 0;padding-top:.5rem}.surface-map-vector-label{color:#f5c451;font-weight:600}@media (width>=720px){.surface-map-layout{grid-template-areas:"before""centre""after"}.surface-map-centre{grid-area:centre}.surface-map-areas.is-before{grid-area:before}.surface-map-areas.is-after{grid-area:after}.surface-map .surface-map-areas{grid-template-columns:repeat(3,minmax(0,1fr))}}:is(.property-map,.access-flow,.control-effect,.control-classifier,.control-timeline,.function-wheel,.gap-bars,.responsibility-map){border:1px solid var(--line);background:var(--panel);border-radius:.7rem;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}:is(.property-map,.access-flow,.control-effect,.control-classifier,.control-timeline,.function-wheel,.gap-bars,.responsibility-map)>figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.property-map-description,.access-flow-description,.control-effect-description,.control-classifier-description,.control-timeline-description,.function-wheel-description,.gap-bars-description,.responsibility-map-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.property-map-note,.access-flow-note,.control-effect-note,.control-classifier-note,.control-timeline-note,.function-wheel-note,.gap-bars-note,.responsibility-map-note{color:var(--muted);margin:.9rem 0 0;font-size:.8rem}:is(.property-map,.access-flow,.control-effect,.control-classifier,.control-timeline,.function-wheel,.gap-bars,.responsibility-map) :is(ul,ol){margin:0;padding:0;list-style:none}:is(.property-map,.access-flow,.control-effect,.control-classifier,.control-timeline,.function-wheel,.gap-bars,.responsibility-map) li{margin:0;padding:0}.property-map-label,.control-effect-label,.responsibility-map-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 .25rem;font-size:.75rem;font-weight:600;display:block}.access-flow-number,.responsibility-map-number{border:1px solid var(--accent);width:1.5rem;height:1.5rem;color:var(--accent);border-radius:50%;flex:none;place-items:center;font:700 .78rem ui-monospace,Cascadia Mono,Consolas,monospace;display:inline-grid}.property-map-layout{gap:.6rem;display:grid}.property-map-system{border:2px solid var(--accent);text-align:center;color:#bfccdc;background:#0c1727;border-radius:.6rem;padding:.8rem 1rem;font-size:.84rem}.property-map-system-name,.property-map-name{color:#e7edf5;margin:0;font-size:.98rem;font-weight:650}.property-map .property-map-system ul{flex-wrap:wrap;justify-content:center;gap:.35rem .5rem;margin-top:.55rem;display:flex}.property-map .property-map-system li{color:#d3deeb;border:1px solid #36516a;border-radius:999px;padding:.15rem .6rem;font-size:.76rem}.property-map-property{border:1px solid #36516a;border-top:4px solid var(--accent);color:#bfccdc;background:#0c1727;border-radius:.6rem;min-width:0;padding:.8rem .9rem;font-size:.82rem}.property-map-property.is-additional{border-style:solid dashed dashed;border-top-color:#f5c451}.property-map-property.is-additional .property-map-label{color:#f5c451}.property-map-question{color:#e7edf5;margin:.2rem 0 .5rem;font-style:italic}.property-map-list-label{color:#d3deeb;margin:0 0 .2rem;font-weight:600}.property-map .property-map-property ul{gap:.25rem;padding-left:1rem;list-style:outside;display:grid}.property-map-failure{border-top:1px dashed var(--line);color:#e7edf5;margin:.6rem 0 0;padding-top:.5rem}.property-map-failure-label{color:#fdba74;font-weight:600}@media (width>=720px){.property-map-layout{grid-template-columns:1fr 1fr;grid-template-areas:"slot0 slot1""system system""slot2 slot3"}.property-map-system{grid-area:system}.property-map-slot-0{grid-area:slot0}.property-map-slot-1{grid-area:slot1}.property-map-slot-2{grid-area:slot2}.property-map-slot-3{grid-area:slot3}.property-map-layout.is-three{grid-template-columns:repeat(3,minmax(0,1fr));grid-template-areas:"system system system""slot0 slot1 slot2"}}.access-flow-track{gap:1.4rem;display:grid}.access-flow-group{border-radius:.7rem;min-width:0;padding:.7rem;position:relative}.access-flow-group.is-before{border:1px dashed #5b7a99}.access-flow-group.is-named{border:2px solid var(--accent);background:#0d1c2e}.access-flow-group-label{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0 0 .6rem;font-size:.75rem;font-weight:650}.access-flow-group.is-named .access-flow-group-label{color:var(--accent)}.access-flow .access-flow-group ol{gap:1.4rem;display:grid}.access-flow .access-flow-step{color:#bfccdc;background:#0c1727;border:1px solid #36516a;border-radius:.55rem;align-items:flex-start;gap:.65rem;padding:.7rem .8rem;font-size:.82rem;display:flex;position:relative}.access-flow-name{color:#e7edf5;margin:0;font-size:.94rem;font-weight:650}.access-flow-question{color:#e7edf5;margin:.1rem 0 .35rem;font-style:italic}.access-flow-example{margin:0}.access-flow-arrow{width:1.4rem;height:1.4rem;color:var(--accent);place-items:center;margin-left:-.7rem;font-size:1rem;line-height:1;display:grid;position:absolute;bottom:-1.4rem;left:50%}.access-flow-arrow:before{content:"↓"}@media (width>=900px){.access-flow-track{grid-template-columns:minmax(0,1fr) minmax(0,3fr)}.access-flow-group{flex-direction:column;display:flex}.access-flow-group-label{min-height:2.35rem}.access-flow .access-flow-group ol{flex:1}.access-flow .access-flow-group.is-named ol{grid-template-columns:repeat(3,minmax(0,1fr))}.access-flow .access-flow-step{flex-direction:column}.access-flow-arrow{margin:-.7rem 0 0;inset:50% -1.4rem auto auto}.access-flow-arrow:before{content:"→"}}.control-effect-flow{gap:1.6rem;max-width:38rem;margin-inline:auto;display:grid}.control-effect .control-effect-flow{margin-inline:auto}.control-effect .control-effect-stage{color:#bfccdc;background:#0c1727;border:1px solid #36516a;border-radius:.6rem;padding:.75rem .9rem;font-size:.84rem;position:relative}.control-effect-arrow{text-align:center;width:1.4rem;color:var(--accent);margin-left:-.7rem;font-size:1.05rem;line-height:1.4rem;position:absolute;top:-1.5rem;left:50%}.control-effect .control-effect-stage.is-inputs{background:0 0;border:0;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:stretch;gap:.5rem;padding:0;display:grid}.control-effect-box{background:#0c1727;border:1px solid #36516a;border-radius:.6rem;padding:.75rem .9rem}.control-effect-stage p,.control-effect-box p{margin:0}.control-effect-stage .control-effect-label,.control-effect-box .control-effect-label{margin-bottom:.25rem}.control-effect-plus{color:var(--accent);place-self:center;font-size:1.3rem;font-weight:700}.control-effect .control-effect-stage.is-risk{border-left:4px solid #fb923c}.control-effect .control-effect-stage.is-control{border:2px solid var(--accent)}.control-effect-stage .control-effect-name{color:#e7edf5;margin-bottom:.2rem;font-size:.96rem;font-weight:650}.control-effect .control-effect-stage.is-result{border:2px solid var(--definition-border);background:var(--definition-bg);color:#e7edf5}.control-effect .control-effect-stage.is-result .control-effect-label{color:var(--definition-label)}@media (width<=520px){.control-effect .control-effect-stage.is-inputs{grid-template-columns:1fr;gap:.1rem}}.control-classifier-sides{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;display:grid}.control-classifier-side{border:1px solid #36516a;border-top:4px solid var(--accent);color:#bfccdc;background:#0c1727;border-radius:.6rem;min-width:0;padding:.8rem .9rem;font-size:.82rem}.control-classifier-side.is-function{border-top-color:#f5c451}.control-classifier-heading,.control-classifier-examples-label,.control-timeline-supporting-label{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0;font-size:.75rem;font-weight:650}.control-classifier-question{color:#e7edf5;margin:.15rem 0 .65rem;font-size:.96rem;font-weight:650}.control-classifier .control-classifier-side ul{gap:.45rem;display:grid}.control-classifier-kind{color:#e7edf5;font-weight:650}.control-classifier-examples-label,.control-timeline-supporting-label{margin:1.1rem 0 .55rem}.control-classifier .control-classifier-examples{grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem;display:grid}.control-classifier .control-classifier-example{color:#bfccdc;background:#0c1727;border:1px dashed #5b7a99;border-radius:.55rem;min-width:0;padding:.7rem .8rem;font-size:.8rem}.control-classifier-control{color:#e7edf5;margin:0 0 .45rem;font-size:.9rem;font-weight:650}.control-classifier-answer{flex-wrap:wrap;gap:.35rem;margin:0 0 .45rem;display:flex}.control-classifier-tag{border:1px solid var(--accent);color:#e7edf5;border-radius:.35rem;padding:.15rem .5rem;font-size:.76rem;display:inline-block}.control-classifier-tag.is-function{border-color:#f5c451}.control-classifier-tag-label{letter-spacing:.05em;text-transform:uppercase;color:var(--accent);margin-right:.2rem;font-size:.75rem;font-weight:650}.control-classifier-tag.is-function .control-classifier-tag-label{color:#f5c451}.control-classifier-why{margin:0}@media (width<=760px){.control-classifier-sides,.control-classifier .control-classifier-examples{grid-template-columns:1fr}}.control-timeline .control-timeline-phases{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:.9rem;display:grid}.control-timeline .control-timeline-phase{border-top:3px solid var(--accent);color:#bfccdc;padding:1.1rem .9rem .2rem 0;font-size:.82rem;position:relative}.control-timeline .control-timeline-phase:before{content:"";background:var(--accent);border-radius:50%;width:.85rem;height:.85rem;position:absolute;top:-.5rem;left:0}.control-timeline .control-timeline-phase:last-child:after{content:"";border:.4rem solid #0000;border-left-color:var(--accent);position:absolute;top:-.48rem;right:-.2rem}.control-timeline-when{letter-spacing:.07em;text-transform:uppercase;color:var(--accent);margin:0;font-size:.75rem;font-weight:650}.control-timeline-type{color:#e7edf5;margin:.1rem 0;font-size:1rem;font-weight:650}.control-timeline-cue{color:#e7edf5;margin:0 0 .35rem;font-style:italic}.control-timeline-examples{margin:0}.control-timeline .control-timeline-supporting{grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem;display:grid}.control-timeline .control-timeline-support{color:#bfccdc;background:#0c1727;border:1px dashed #5b7a99;border-radius:.55rem;padding:.7rem .8rem;font-size:.82rem}.control-timeline-support .control-timeline-when{color:#f5c451}@media (width<=700px){.control-timeline .control-timeline-phases,.control-timeline .control-timeline-supporting{grid-template-columns:1fr}.control-timeline .control-timeline-phases{margin:.4rem 0 0 .5rem}.control-timeline .control-timeline-phase{border-top:0;border-left:3px solid var(--accent);padding:0 0 1.1rem 1.1rem}.control-timeline .control-timeline-phase:before{top:.15rem;left:-.52rem}.control-timeline .control-timeline-phase:last-child:after{border:.4rem solid #0000;border-top-color:var(--accent);inset:auto auto -.2rem -.5rem}}.function-wheel-frame{border:2px solid var(--accent);background:#0d1c2e;border-radius:.8rem;padding:.8rem}.function-wheel-govern{text-align:center;color:#bfccdc;padding:.1rem .5rem .8rem;font-size:.84rem}.function-wheel-label{letter-spacing:.07em;text-transform:uppercase;color:var(--accent);margin:0 0 .2rem;font-size:.75rem;font-weight:650}.function-wheel-name{color:#e7edf5;margin:0;font-size:1rem;font-weight:650}.function-wheel-govern .function-wheel-name{font-size:1.15rem}.function-wheel-question{color:#e7edf5;margin:.1rem 0 .35rem;font-style:italic}.function-wheel-example{margin:0}.function-wheel-function .function-wheel-example{margin-bottom:.5rem}.function-wheel .function-wheel-ring{grid-template-columns:repeat(6,minmax(0,1fr));gap:.6rem;display:grid}.function-wheel .function-wheel-function{color:#bfccdc;background:#0c1727;border:1px solid #36516a;border-radius:.6rem;flex-direction:column;grid-column:span 2;min-width:0;padding:.7rem .8rem;font-size:.82rem;display:flex}.function-wheel .function-wheel-function:nth-child(4){grid-column:2/span 2}.function-wheel .function-wheel-function:nth-child(5){grid-column:4/span 2}.function-wheel-when{border-top:1px dashed var(--line);color:#d3deeb;margin:auto 0 0;padding-top:.4rem;font-size:.76rem}.function-wheel-loop{text-align:center;color:var(--accent);margin:.8rem 0 0;font-size:.82rem}@media (width<=700px){.function-wheel .function-wheel-ring{grid-template-columns:1fr}.function-wheel .function-wheel-function,.function-wheel .function-wheel-function:nth-child(4),.function-wheel .function-wheel-function:nth-child(5){grid-column:auto}}.gap-bars-groups{gap:.8rem;display:grid}.gap-bars-group{background:#0c1727;border:1px solid #36516a;border-radius:.6rem;gap:.75rem;min-width:0;padding:.85rem .9rem;display:grid}.gap-bars-row{gap:.3rem;min-width:0;display:grid}.gap-bars-row.is-part{border-left:2px solid #36516a;padding-left:.9rem}.gap-bars-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.1rem .9rem;display:flex}.gap-bars-label{color:#e7edf5;margin:0;font-size:.95rem;font-weight:650}.gap-bars-row.is-part .gap-bars-label{font-size:.85rem}.gap-bars-score{color:#bfccdc;margin:0;font-size:.8rem}.gap-bars-score strong{color:#e7edf5}.gap-bars-track{border:1px dashed #fb923c;border-radius:3px;height:.9rem;overflow:hidden}.gap-bars-fill{background:var(--definition-border);height:100%;display:block}.gap-bars-swatch.is-met{background:var(--definition-border)}.gap-bars-swatch.is-gap{border:1px dashed #fb923c}.gap-bars-key{color:#bfccdc;flex-wrap:wrap;gap:.3rem 1.2rem;margin:.9rem 0 0;font-size:.8rem;display:flex}.gap-bars-swatch{vertical-align:-.12rem;border-radius:2px;width:.9rem;height:.9rem;margin-right:.2rem;display:inline-block}.responsibility-map-scenario{border:2px solid var(--accent);text-align:center;color:#e7edf5;background:#0c1727;border-radius:.6rem;max-width:40rem;margin:0 auto 1rem;padding:.75rem .9rem;font-size:.88rem}.responsibility-map .responsibility-map-parties{grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem;display:grid}.responsibility-map .responsibility-map-party{border:1px solid #36516a;border-left:4px solid var(--accent);color:#bfccdc;background:#0c1727;border-radius:.6rem;align-items:flex-start;gap:.6rem;min-width:0;padding:.75rem .8rem;font-size:.82rem;display:flex}.responsibility-map .responsibility-map-party.is-team{border-style:dashed dashed dashed solid;border-left-color:#f5c451}.responsibility-map-kind{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin:0;font-size:.75rem;font-weight:650}.responsibility-map-party.is-team .responsibility-map-kind{color:#f5c451}.responsibility-map-name{color:#e7edf5;margin:.05rem 0 0;font-size:.96rem;font-weight:650}.responsibility-map-cue{letter-spacing:.05em;text-transform:uppercase;color:#d3deeb;margin:0 0 .35rem;font-size:.75rem;font-weight:650}.responsibility-map-action{margin:0}@media (width<=900px){.responsibility-map .responsibility-map-parties{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=560px){.responsibility-map .responsibility-map-parties{grid-template-columns:1fr}}:is(.step-through,.cipher-flow,.trust-chain,.hash-chain,.caesar-shift,.hash-demo){border:1px solid var(--line);background:var(--panel);border-radius:.7rem;min-width:0;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}:is(.step-through,.cipher-flow,.trust-chain,.hash-chain,.caesar-shift,.hash-demo)>figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.step-through-description,.cipher-flow-description,.trust-chain-description,.hash-chain-description,.caesar-shift-description,.hash-demo-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem;line-height:1.6}.step-through-note,.cipher-flow-note,.trust-chain-note,.hash-chain-note,.hash-demo-note{color:var(--muted);margin:.9rem 0 0;font-size:.8rem;line-height:1.6}:is(.step-through,.cipher-flow,.trust-chain,.hash-chain,.caesar-shift) :is(ul,ol){margin:0;padding:0;list-style:none}:is(.step-through,.cipher-flow,.trust-chain,.hash-chain,.caesar-shift) li{margin:0}:is(.step-through,.cipher-flow,.trust-chain,.hash-chain,.caesar-shift,.hash-demo) p{line-height:1.6}:is(.step-through,.cipher-flow,.trust-chain,.hash-chain,.caesar-shift,.hash-demo) code{overflow-wrap:anywhere;color:#e7edf5;font-family:ui-monospace,Cascadia Mono,Consolas,monospace}.step-through-button{border:1px solid var(--accent);min-height:44px;color:var(--accent);background:#0c1727;border-radius:.5rem;padding:.45rem .95rem;font-size:.84rem;font-weight:600}.step-through-button:hover{color:#c0f2ff;background:#142a3d}.step-through-button[aria-disabled=true]{color:var(--muted);cursor:default;border-color:#36516a}.step-through-button[aria-disabled=true]:hover{color:var(--muted);background:#0c1727}.step-through-button.is-quiet{color:#d3deeb;border-color:#5a7592}.step-through-button[aria-pressed=true]{background:#173451}:is(.step-through,.hash-chain) :focus-visible{outline-offset:2px}.step-through-controls{flex-wrap:wrap;align-items:center;gap:.6rem;margin:0 0 .9rem;display:flex}.step-through-status{color:#e7edf5;flex:12rem;margin:0;font-size:.84rem;font-weight:600}.step-through .step-through-steps{gap:.6rem;display:grid}.step-through .step-through-step{border:1px solid #36516a;border-left:3px solid var(--accent);background:#0c1727;border-radius:.6rem;align-items:start;gap:.8rem;min-width:0;padding:.85rem 1rem;display:flex}.step-through.is-interactive .step-through-step{min-height:9.5rem}.step-through-number{border:1px solid var(--accent);height:1.9rem;color:var(--accent);border-radius:50%;flex:0 0 1.9rem;place-items:center;font:600 .85rem ui-monospace,monospace;display:grid}.step-through-body{min-width:0}.step-through-body p{margin:0}.step-through-actor{letter-spacing:.06em;text-transform:uppercase;color:#f5c451;font-size:.75rem;font-weight:600}.step-through-title{color:#e7edf5;font-size:.95rem;font-weight:650}.step-through-text{color:#bfccdc;font-size:.86rem;margin-top:.25rem!important}.step-through-detail{border-top:1px dashed var(--line);color:var(--muted);padding-top:.4rem;font-size:.8rem;margin-top:.45rem!important}.step-through-detail-label{color:#d3deeb;font-weight:600}.cipher-flow-row+.cipher-flow-row{border-top:1px dashed var(--line);margin-top:1rem;padding-top:1rem}.cipher-flow-name{color:#e7edf5;margin:0 0 .2rem;font-weight:650}.cipher-flow-summary{color:#bfccdc;margin:0 0 .6rem;font-size:.84rem}.cipher-flow .cipher-flow-stages{grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;align-items:stretch;gap:1.4rem;display:grid}.cipher-flow .cipher-flow-stage{color:#d3deeb;background:#0c1727;border:1px solid #36516a;border-radius:.5rem;align-content:start;gap:.15rem;min-width:0;padding:.6rem .7rem;font-size:.82rem;display:grid;position:relative}.cipher-flow .cipher-flow-stage.is-action{border-style:dashed;border-color:var(--accent)}.cipher-flow-stage:not(:last-child):after{content:"→";color:var(--accent);font-weight:700;position:absolute;top:50%;right:-1.15rem;transform:translateY(-50%)}.cipher-flow-kind{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:600}.cipher-flow-label{color:#e7edf5;font-weight:600}.cipher-flow-key{color:#d3deeb;font-size:.78rem}.cipher-flow-key-label{color:#f5c451;font-weight:600}@media (width<=760px){.cipher-flow .cipher-flow-stages{grid-auto-flow:row;gap:1.3rem}.cipher-flow-stage:not(:last-child):after{content:"↓";inset:auto auto -1.3rem 50%;transform:translate(-50%)}}.trust-chain-store{border:2px solid var(--definition-border);background:var(--definition-bg);border-radius:.6rem;padding:.7rem .9rem}.trust-chain :is(.trust-chain-store,.trust-chain-level) p{margin:0}.trust-chain .trust-chain-levels{gap:1.7rem;margin-top:1.7rem;display:grid}.trust-chain .trust-chain-level{border:1px solid #36516a;border-left:3px solid var(--accent);background:#0c1727;border-radius:.6rem;padding:.75rem .9rem;position:relative}.trust-chain-level:before{content:"↓";color:var(--accent);font-weight:700;position:absolute;top:-1.55rem;left:1.2rem}.trust-chain-level:first-child:before{content:"↓ trusted because it is in the store";font-size:.76rem}.trust-chain-level:not(:first-child):before{content:"↓ signs";font-size:.76rem}.trust-chain-role{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:600}.trust-chain-name{color:#e7edf5;font-weight:650}.trust-chain-text{color:#bfccdc;font-size:.85rem}.trust-chain-signed{color:#d3deeb;font-size:.8rem;margin-top:.25rem!important}.trust-chain-signed-label{color:#f5c451;font-weight:600}.hash-chain-controls{flex-wrap:wrap;align-items:center;gap:.6rem .9rem;margin:0 0 .9rem;display:flex}.hash-chain-status{color:#e7edf5;flex:14rem;margin:0;font-size:.84rem}.hash-chain .hash-chain-blocks{grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:.7rem;display:grid}.hash-chain .hash-chain-block{border:1px solid #36516a;border-top:4px solid var(--accent);color:#bfccdc;background:#0c1727;border-radius:.6rem;min-width:0;padding:.75rem .85rem;font-size:.82rem}.hash-chain-block p{margin:0 0 .3rem}.hash-chain-label{color:#e7edf5;font-size:.95rem;font-weight:650}.hash-chain-field-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:600;display:block}.hash-chain-link{border-top:1px dashed var(--line);color:#86efac;padding-top:.4rem;margin:.5rem 0 0!important}.hash-chain .hash-chain-block.is-changed{border-style:dashed;border-color:#f5c451}.hash-chain .hash-chain-block.is-broken{border-style:dashed;border-color:#fb923c}.hash-chain-block:is(.is-changed,.is-broken) .hash-chain-link{color:#fdba74;font-weight:600}.caesar-shift-controls{grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:.8rem 1.2rem;margin:0 0 1rem;display:grid}.caesar-shift-field,.hash-demo-label{color:#e7edf5;gap:.3rem;font-size:.82rem;font-weight:600;display:grid}:is(.caesar-shift,.hash-demo) input[type=text]{color:#e7edf5;background:#0c1727;border:1px solid #5a7592;border-radius:.45rem;width:100%;min-height:44px;padding:.5rem .7rem;font-family:ui-monospace,Cascadia Mono,Consolas,monospace}.hash-demo input[readonly]{border-style:dashed}.caesar-shift input[type=range]{width:100%;min-height:44px;accent-color:var(--accent)}.caesar-shift-result{gap:.35rem;margin:0;display:grid}.caesar-shift-result>div{background:#0c1727;border:1px solid #36516a;border-radius:.45rem;grid-template-columns:9.5rem minmax(0,1fr);align-items:baseline;gap:.2rem .8rem;padding:.4rem .7rem;display:grid}.caesar-shift-result dt{color:var(--muted);font-size:.76rem;font-weight:600}.caesar-shift-result dd{min-width:0;margin:0}.caesar-shift-result code{letter-spacing:.08em}.caesar-shift-brute{border:1px solid var(--line);border-radius:.5rem;margin-top:.9rem;padding:.6rem .9rem}.caesar-shift-brute summary{cursor:pointer;color:var(--accent);font-size:.88rem;font-weight:600}.caesar-shift-brute .caesar-shift-description{margin:.6rem 0}.caesar-shift .caesar-shift-attempts{color:var(--muted);grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));gap:.15rem 1rem;padding-left:1.6rem;font-size:.8rem;list-style:decimal;display:grid}.hash-demo-pair{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:.8rem;display:grid}.hash-demo-item{background:#0c1727;border:1px solid #36516a;border-radius:.6rem;align-content:start;gap:.45rem;min-width:0;padding:.75rem .85rem;display:grid}.hash-demo-field{color:#bfccdc;min-width:0;margin:0;font-size:.8rem}.hash-demo-field-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:600;display:block}.hash-demo-summary{color:#e7edf5;margin:.9rem 0 0;font-size:.88rem;font-weight:600}@media (width<=480px){.caesar-shift-result>div{grid-template-columns:1fr}.caesar-shift-result code{letter-spacing:0;font-size:.78rem}}.deeper{border:1px solid var(--line);background:var(--panel);border-left:4px solid #5a7592;border-radius:.6rem;margin:1.4rem 0;padding:.7rem 1.1rem}.deeper>summary{cursor:pointer;color:#e7edf5;font-size:.92rem;font-weight:600}.deeper-label{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-right:.4rem;font-size:.72rem}.deeper-body{margin-top:.7rem;font-size:.93rem}.deeper-body>:last-child{margin-bottom:0}.draft-notice{color:#e7edf5;border-left:4px solid #f5c451;margin:0 0 1.4rem;display:block}.lesson-plan-facts{gap:.3rem;margin:0 0 .9rem;display:grid}.lesson-plan-facts div{flex-wrap:wrap;gap:.1rem .6rem;display:flex}.lesson-plan-facts dt{color:#e7edf5;min-width:7.5rem;font-weight:600}.lesson-plan-facts dd{color:#bfccdc;margin:0}.lesson-plan-heading{color:#e7edf5;margin:0 0 .3rem;font-weight:600}.lesson-tracks{color:var(--muted);margin:.6rem 0 0;font-size:.85rem}.guided-toolbar{flex-wrap:wrap;align-items:center;gap:.6rem 1.2rem;margin:1.2rem 0 0;font-size:.85rem;display:flex}.guided-button{border:1px solid var(--accent);min-height:44px;color:var(--accent);background:#0c1727;border-radius:.5rem;padding:.45rem .95rem;font-size:.84rem;font-weight:600}.guided-button:hover{color:#c0f2ff;background:#142a3d}.guided-button.is-quiet{color:#d3deeb;border-color:#5a7592}.guided-button[aria-disabled=true]{color:var(--muted);cursor:default;border-color:#36516a}.guided-step{border-top:1px solid var(--line);margin:2.6rem 0;padding-top:1.6rem}.guided-step>h2{margin-top:0}.guided-step>h2:focus,.guided-step>h2:focus-visible{outline:none}.guided-stage{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);border:1px solid #36516a;border-radius:.35rem;margin:0 0 .5rem;padding:.1rem .55rem;font-size:.75rem;font-weight:600;display:inline-block}.guided-step-check .guided-stage,.guided-step-apply .guided-stage{color:#f5c451;border-color:#6b5a2a}.guided-question{border:1px solid #36516a;border-left:4px solid var(--accent);background:#0c1727;border-radius:.6rem;margin:1.4rem 0;padding:1rem 1.2rem}.guided-question-check,.guided-question-apply{border-left-color:#f5c451}.guided-question-label{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0 0 .4rem;font-size:.75rem;font-weight:600}.guided-question-prompt{color:#e7edf5;overflow-wrap:anywhere;margin:0 0 .7rem;padding:0;font-weight:600}.guided-question-fieldset{border:0;min-width:0;margin:0;padding:0}.prose .guided-options,.prose .guided-hints,.prose :is(.token-demo-candidates,.temperature-demo-bars){gap:.45rem;margin:0;padding:0;list-style:none;display:grid}.prose :is(.guided-options,.token-demo-candidates,.temperature-demo-bars)>li{margin:0;padding-left:0}.guided-option label{line-height:1.5}.prose .guided-hints{margin-top:.6rem}.prose .track-stages{padding:0}.prose .track-stages>li{padding-left:.9rem}.guided-option label{cursor:pointer;background:#101a2a;border:1px solid #2b4058;border-radius:.5rem;align-items:start;gap:.55rem;padding:.55rem .7rem;display:flex}.guided-question:not(.is-interactive) .guided-option input{display:none}.guided-question:not(.is-interactive) .guided-option label{cursor:default}.guided-option input{width:1.1rem;height:1.1rem;accent-color:var(--accent);flex-shrink:0;margin:.3rem 0 0}.guided-option-letter{color:var(--muted);min-width:1rem;font-weight:650}.guided-option.is-tried label{border-style:dashed;border-color:#b45309}.guided-option.is-tried .guided-option-text:after{content:" (tried)";color:#fdba74;font-size:.8rem}.guided-option.is-correct label{border-color:var(--definition-border);background:var(--definition-bg)}.guided-option.is-correct .guided-option-text:after{content:" (correct)";color:var(--definition-label);font-size:.8rem}.guided-option-feedback{color:#bfccdc;border-left:2px solid #5a7592;margin:.35rem 0 0 .2rem;padding-left:.8rem;font-size:.86rem}.guided-question-controls{margin-top:.8rem}.guided-question-buttons{flex-wrap:wrap;gap:.5rem;display:flex}.guided-question-status{color:#e7edf5;margin:.6rem 0 0;font-size:.88rem;font-weight:600}.guided-question-status:empty{display:none}.guided-prediction{gap:.3rem;margin-bottom:.6rem;font-size:.85rem;display:grid}.guided-prediction textarea{color:#e7edf5;width:100%;font:inherit;resize:vertical;background:#101a2a;border:1px solid #5a7592;border-radius:.45rem;padding:.5rem .7rem}.guided-hints{margin:.6rem 0 0;padding:0;font-size:.88rem;list-style:none}.guided-hints li{background:#142033;border-radius:.45rem;margin:.3rem 0;padding:.4rem .7rem}.guided-hint-label{color:#f5c451;font-weight:600}.guided-reveal{border:1px solid var(--line);background:#101a2a;border-radius:.5rem;margin-top:.8rem;padding:.6rem .9rem}.guided-reveal>summary{cursor:pointer;color:var(--accent)}.guided-question.is-interactive .guided-reveal>summary{display:none}.guided-question.is-interactive .guided-reveal{border-left:3px solid var(--definition-border)}.guided-reveal-body{margin-top:.5rem}.guided-question.is-interactive .guided-reveal-body{margin-top:0}.guided-reveal-body>:last-child{margin-bottom:0}.guided-progress h2{font-size:1.15rem}.guided-progress-states{gap:.5rem;margin:.8rem 0 1rem;padding:0;font-size:.88rem;list-style:none;display:grid}.guided-progress-state{color:#bfccdc;border:1px dashed #36516a;border-radius:.5rem;padding:.5rem .75rem}.guided-progress-state strong{color:#e7edf5}.guided-progress-state.is-done{border-style:solid;border-color:var(--definition-border);background:var(--definition-bg)}.guided-progress-state.is-done strong:before{content:"✓ ";color:var(--definition-label)}:is(.token-demo,.temperature-demo){border:1px solid var(--line);background:var(--panel);border-radius:.7rem;min-width:0;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}:is(.token-demo,.temperature-demo)>figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.token-demo-description,.temperature-demo-description{color:var(--muted);margin:0 0 1rem;font-size:.85rem;line-height:1.6}.token-demo-note,.temperature-demo-note{color:var(--muted);margin:.9rem 0 0;font-size:.8rem;line-height:1.6}.token-demo-sentence,.temperature-demo-prompt{color:#e7edf5;background:#0c1727;border:1px solid #36516a;border-radius:.5rem;margin:0 0 .9rem;padding:.7rem .9rem;font-size:.95rem}.token-demo-sentence-label,.temperature-demo-prompt-label,.token-demo-worked-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:600;display:block}.token-demo-generated{color:#f5c451;font-weight:600}.token-demo-heading,.temperature-demo-heading{color:#e7edf5;margin:0 0 .5rem;font-size:.85rem;font-weight:600}:is(.token-demo-candidates,.temperature-demo-bars){gap:.35rem;margin:0;padding:0;list-style:none;display:grid}:is(.token-demo-candidate,.temperature-demo-row),.token-demo-choice{grid-template-columns:minmax(5.5rem,7rem) 1fr 3.6rem;align-items:center;gap:.6rem;min-width:0;font-size:.85rem;display:grid}.token-demo-candidate:has(>.token-demo-choice){display:block}.token-demo-choice{color:#e7edf5;text-align:left;background:#0c1727;border:1px solid #36516a;border-radius:.45rem;width:100%;min-height:44px;padding:.3rem .6rem}.token-demo-choice:hover{border-color:var(--accent);background:#142a3d}.token-demo-token{overflow-wrap:anywhere;font-family:ui-monospace,Cascadia Mono,Consolas,monospace}.token-demo-bar{background:#1a2638;border-radius:.25rem;height:.8rem;display:block;overflow:hidden}.token-demo-bar>span{background:var(--accent);height:100%;display:block}.token-demo-percent{text-align:right;font-variant-numeric:tabular-nums;color:#bfccdc}.token-demo-controls,.temperature-demo-sampling{margin-top:.9rem}.token-demo-hint{color:var(--muted);margin:0 0 .5rem;font-size:.82rem}.token-demo-buttons{flex-wrap:wrap;gap:.5rem;display:flex}.token-demo-status,.temperature-demo-counts,.temperature-demo-summary{color:#e7edf5;margin:.7rem 0 0;font-size:.86rem}.token-demo-status:empty,.temperature-demo-counts:empty{display:none}.token-demo-history{color:#bfccdc;margin:.6rem 0 0;padding-left:1.2rem;font-size:.8rem}.token-demo-worked{color:#bfccdc;margin:.9rem 0 0;font-size:.86rem}.temperature-demo-slider{color:#e7edf5;gap:.35rem;margin:0 0 .9rem;font-size:.88rem;font-weight:600;display:grid}.temperature-demo-slider input{width:100%;min-height:44px;accent-color:var(--accent)}.temperature-demo-slider output{font-variant-numeric:tabular-nums;color:#f5c451}.temperature-demo-scale{color:var(--muted);justify-content:space-between;gap:1rem;font-size:.75rem;font-weight:400;display:flex}.temperature-demo-table{margin-top:1rem}.temperature-demo-table table{border-collapse:collapse;width:100%;font-size:.8rem}.temperature-demo-table :is(th,td){border-bottom:1px solid var(--line);text-align:left;padding:.3rem .4rem}@media (prefers-reduced-motion:no-preference){.token-demo-bar>span{transition:width .2s}}.transport-demo{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;min-width:0;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.transport-demo>figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.transport-demo-description,.transport-demo-note{color:var(--muted);margin:0 0 1rem;font-size:.85rem;line-height:1.6}.transport-demo-note{margin:.9rem 0 0;font-size:.8rem}.transport-demo-message,.transport-demo-received{color:#e7edf5;background:#0c1727;border:1px solid #36516a;border-radius:.5rem;margin:0 0 .8rem;padding:.6rem .85rem;font-size:.92rem}.transport-demo-received{border-left:3px solid #f5c451}.transport-demo-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.75rem;font-weight:600;display:block}.transport-demo-controls{gap:.8rem;margin-bottom:1rem;display:grid}.transport-demo-choice{border:1px solid #36516a;border-radius:.5rem;min-width:0;margin:0;padding:.5rem .8rem .7rem}.transport-demo-choice legend{color:#e7edf5;padding:0 .3rem;font-size:.8rem;font-weight:600}.transport-demo-choice label{color:#e7edf5;cursor:pointer;align-items:center;gap:.5rem;min-height:44px;font-size:.86rem;display:flex}.transport-demo-choice input{width:1.1rem;height:1.1rem;accent-color:var(--accent);flex-shrink:0}.transport-demo-heading{color:#e7edf5;margin:0 0 .5rem;font-size:.85rem;font-weight:600}.prose .transport-demo-crossings{gap:.3rem;margin:0 0 .9rem;padding:0;list-style:none;display:grid}.prose .transport-demo-crossings>li{color:#e7edf5;background:#101a2a;border:1px solid #2b4058;border-radius:.4rem;margin:0;padding:.35rem .6rem;font-size:.84rem}.transport-demo-crossing.is-from-receiver{border-color:#36516a;margin-left:1.2rem!important}.transport-demo-crossing.is-lost{color:#fdba74!important;border-style:dashed!important;border-color:#b45309!important}.transport-demo-arrow{min-width:1rem;color:var(--accent);font-weight:700;display:inline-block}.transport-demo-note-inline{color:var(--muted)}.transport-demo-summary{color:#e7edf5;margin:0;font-size:.86rem;font-weight:600}.transport-demo-table{margin-top:1rem;font-size:.82rem}.transport-demo-table>summary{cursor:pointer;color:var(--accent)}.transport-demo-table table{border-collapse:collapse;width:100%;margin-top:.6rem}.transport-demo-table :is(th,td){border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:.35rem .45rem}.firewall-controls,.firewall-tester{background:#0c1727;border:1px solid #36516a;border-radius:.5rem;margin:1rem 0;padding:.7rem .85rem}.firewall-controls-heading{color:#e7edf5;margin:0 0 .5rem;font-size:.85rem;font-weight:600}.prose .firewall-order{gap:.4rem;margin:0;padding:0;list-style:none;display:grid}.prose .firewall-order>li{margin:0;padding:0}.firewall-order-item{color:#e7edf5;flex-wrap:wrap;align-items:center;gap:.4rem .6rem;font-size:.82rem;display:flex}.firewall-order-rule{overflow-wrap:anywhere;flex:14rem;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.78rem}.firewall-tester-fields{grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));gap:.6rem;margin-bottom:.7rem;display:grid}.firewall-tester-field{color:#e7edf5;gap:.25rem;font-size:.8rem;font-weight:600;display:grid}.firewall-tester-field select{color:#e7edf5;background:#101a2a;border:1px solid #5a7592;border-radius:.45rem;min-height:44px;padding:.35rem .5rem}.firewall-tester-result{color:#e7edf5;margin:.7rem 0 0;font-size:.86rem;font-weight:600}.firewall-tester-result:empty{display:none}.risk-explorer{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;min-width:0;margin:1.6rem 0;padding:clamp(1rem,3vw,1.4rem)}.risk-explorer>figcaption{color:#e7f0fa;margin-bottom:.5rem;font-weight:600}.risk-explorer-description,.risk-explorer-note{color:var(--muted);margin:0 0 1rem;font-size:.85rem;line-height:1.6}.risk-explorer-note{margin:.9rem 0 0;font-size:.8rem}.risk-explorer-controls{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:.8rem;margin-bottom:1rem;display:grid}.risk-explorer-scale{border:1px solid #36516a;border-radius:.5rem;min-width:0;margin:0;padding:.5rem .8rem .7rem}.risk-explorer-scale legend{color:#e7edf5;padding:0 .3rem;font-size:.8rem;font-weight:600}.risk-explorer-scale label{color:#e7edf5;cursor:pointer;align-items:center;gap:.5rem;min-height:44px;font-size:.82rem;display:flex}.risk-explorer-scale input{width:1.1rem;height:1.1rem;accent-color:var(--accent);flex-shrink:0}.risk-explorer-level{min-width:1rem;color:var(--accent);font-weight:700}.risk-explorer-score{color:#e7edf5;margin:0 0 .5rem;font-size:.95rem;font-weight:600}.risk-explorer-band{letter-spacing:.03em;border:1px solid #5a7592;border-radius:.35rem;margin-right:.4rem;padding:.1rem .5rem;font-size:.78rem;display:inline-block}.risk-explorer-band[data-risk-result-band=Low]{color:#86efac;border-color:#2a6a47}.risk-explorer-band[data-risk-result-band=Medium]{color:#fde68a;border-color:#8a7a2a}.risk-explorer-band[data-risk-result-band=High]{color:#fdba74;border-color:#b45309}.risk-explorer-band[data-risk-result-band=Very\ high]{color:#fca5a5;border-color:#b91c1c}.risk-explorer-twins{color:#bfccdc;margin:0 0 .7rem;font-size:.85rem}.risk-explorer-grid{grid-template-columns:repeat(5,minmax(2rem,3rem));gap:3px;display:grid}.risk-explorer-cell{color:#e7edf5;background:#1a2638;border:2px solid #0000;border-radius:.25rem;place-items:center;min-height:2rem;font-size:.75rem;font-weight:600;display:grid}.risk-explorer-cell.is-low{background:#0f2e1f}.risk-explorer-cell.is-medium{background:#3a3414}.risk-explorer-cell.is-high{background:#45240b}.risk-explorer-cell.is-very-high{background:#4a1414}.risk-explorer-cell.is-twin{border-style:dashed;border-color:#9dc9f5}.risk-explorer-cell.is-chosen{border-style:solid;border-color:#f5c451;box-shadow:0 0 0 2px #f5c45155}.risk-explorer-axes{color:var(--muted);margin:.4rem 0 0;font-size:.75rem}.risk-explorer-status{color:#e7edf5;margin:.6rem 0 0;font-size:.84rem}.risk-explorer-status:empty{display:none}.risk-explorer [data-risk-buttons]{margin-top:.6rem}.present-bar{z-index:40;background:#0a111e;border-top:1px solid #2c3f57;flex-wrap:wrap;align-items:center;gap:.5rem .8rem;padding:.7rem max(1rem,50vw - 36rem);display:flex;position:fixed;bottom:0;left:0;right:0}.present-status{color:#e7edf5;flex:14rem;margin:0;font-size:.9rem;font-weight:600}.is-presenting :is(.site-header,.site-footer,.guide-sidebar,.lesson-related,.guided-progress,.moved-sections,.moved-pointer,.article-header,.skip-link),.is-presenting [data-step-through][data-present-managed] [data-step-controls]{display:none!important}.is-presenting .guide-shell{display:block}.is-presenting .guide-main{max-width:60rem;margin-inline:auto;padding-bottom:7rem}.is-presenting .prose>:not(.guided-step){display:none!important}.is-presenting .prose{font-size:1.15rem}.is-presenting .guided-step{border-top:0;margin-top:1.5rem}.is-presenting .guided-step>h2{font-size:clamp(1.8rem,3.4vw,2.4rem)}.is-present-later{display:none!important}[data-present-focus]:focus{outline:none}.present-part{color:#bfccdc;margin:0;font-size:.85rem}.present-screen{padding-top:clamp(1rem,8vh,5rem)}.present-screen-eyebrow{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin:0 0 .8rem;font-size:.9rem;font-weight:600}.is-presenting .present-screen-introduction>h2{margin-bottom:1.6rem;font-size:clamp(2.2rem,5vw,3.4rem);line-height:1.15}.present-intro-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr));align-items:start;gap:1rem 1.6rem;display:grid}.present-intro-panel{border:1px solid var(--line);background:var(--panel);border-radius:.7rem;padding:1rem 1.2rem}.present-intro-panel h3{letter-spacing:.02em;color:#e7edf5;margin:0 0 .6rem;font-size:1rem}.prose .present-objectives{margin:0;padding-left:1.2rem}.prose .present-objectives li{margin-bottom:.45rem}.prose .present-terms{flex-wrap:wrap;gap:.45rem;margin:0;padding:0;list-style:none;display:flex}.prose .present-terms li{color:#e7edf5;border:1px solid #36516a;border-radius:999px;margin:0;padding:.2rem .65rem;font-size:.95rem}.present-screen-recap .present-intro-panel{margin-bottom:1.2rem}.present-recap-question{background:#1a1708;border-left:4px solid #f5c451;border-radius:.4rem;padding:1rem 1.2rem}.present-recap-label{letter-spacing:.06em;text-transform:uppercase;color:#f5c451;margin:0 0 .3rem;font-size:.8rem;font-weight:600}.present-recap-prompt{color:#f3f6fa;margin:0;font-size:1.15em}.present-status-button{max-width:100%;min-height:44px;color:inherit;font:inherit;text-align:left;touch-action:manipulation;background:0 0;border:1px solid #0000;border-radius:.5rem;align-items:center;gap:.35rem;margin-left:-.6rem;padding:.35rem .6rem;display:inline-flex}.present-status-button:hover,.present-status-button[aria-expanded=true]{background:#142a3d;border-color:#36516a}.present-status-button .ink-icon{flex:none;width:20px;height:20px}.present-status-button .ink-icon svg{width:20px;height:20px}.present-tools{flex-wrap:wrap;align-items:center;gap:.3rem;display:flex}.present-tool[aria-pressed=true]{background:var(--accent);color:#04121c}.present-timer{color:#e7edf5;background:#0f1d2e;border:1px solid #36516a;border-radius:.6rem;align-items:center;gap:.15rem;padding:0 .2rem 0 .55rem;display:flex}.present-timer>.ink-icon{width:20px;height:20px;color:var(--accent)}.present-timer>.ink-icon svg{width:20px;height:20px}.present-timer-time{font-variant-numeric:tabular-nums;min-width:3.2ch;margin-left:.3rem;font-size:1.35rem;font-weight:700}.present-timer-state{color:#bacbdf;font-size:.8rem;font-weight:600}.present-timer-state:empty{display:none}.present-timer.is-done{border-color:#f5c451}.present-timer.is-done .present-timer-state{color:#f5c451}.present-pop{z-index:60;overscroll-behavior:contain;color:#e7edf5;overflow-wrap:anywhere;background:#0a111e;border:1px solid #2c3f57;border-radius:.7rem;gap:.6rem;width:min(26rem,100vw - 1rem);max-width:calc(100vw - 1rem);padding:.7rem .8rem .8rem;display:grid;position:fixed;overflow-y:auto;box-shadow:0 .75rem 2rem #00000080}.present-pop[hidden]{display:none}.present-timer-menu{width:min(19rem,100vw - 1rem)}.present-pop-head{justify-content:space-between;align-items:center;gap:.5rem;display:flex}.present-pop-title{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0;font-size:.8rem;font-weight:600}.present-timer-presets{grid-template-columns:repeat(auto-fill,minmax(5rem,1fr));gap:.4rem;display:grid}.present-overview-groups{gap:.7rem;display:grid}.present-overview-group-name{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin:0 0 .3rem;font-size:.75rem;font-weight:600}.present-overview-list{gap:.25rem;margin:0;padding:0;list-style:none;display:grid}.present-overview-list li{margin:0}.present-overview-item{color:#e7edf5;width:100%;min-height:44px;font:inherit;text-align:left;touch-action:manipulation;background:0 0;border:1px solid #0000;border-left-width:4px;border-radius:.45rem;grid-template-columns:1fr auto;gap:.05rem .6rem;padding:.45rem .65rem;display:grid}.present-overview-item:hover{background:#142a3d}.present-overview-item[aria-current=step]{border-color:#36516a;border-left-color:var(--accent);background:#10273a}.present-overview-label{font-size:.92rem;font-weight:600}.present-overview-detail{color:#bacbdf;grid-column:1;font-size:.78rem}.present-overview-now{border:1px solid var(--accent);color:var(--accent);border-radius:.35rem;grid-area:1/2/span 2;align-self:center;padding:.1rem .45rem;font-size:.72rem;font-weight:700}.present-overview-foot{border-top:1px solid #2c3f57;gap:.35rem;padding-top:.6rem;display:grid}.present-recording-toggle[aria-pressed=true]{border-color:var(--accent);color:#fff;background:#142a3d}.present-recording-toggle[aria-pressed=true]:before{content:"✓ "}.present-overview-note{color:#bacbdf;margin:0;font-size:.75rem}.teaching-pause{z-index:80;text-align:center;background:#080e19;align-content:center;place-items:center;gap:2rem;padding:2rem 1rem;display:grid;position:fixed;inset:0}.teaching-pause[hidden]{display:none}.teaching-pause-body{gap:.6rem;display:grid}.teaching-pause-lesson{letter-spacing:.04em;color:#8fa3ba;margin:0;font-size:.95rem;font-weight:600}.teaching-pause-title{color:#e7edf5;margin:0;font-size:clamp(2.4rem,7vw,4rem);font-weight:700}.teaching-pause-note{color:#bacbdf;margin:0;font-size:1.1rem}.is-recording-layout,.is-recording-layout body{scrollbar-width:none}.is-recording-layout ::-webkit-scrollbar{display:none}.is-recording-layout *,.is-recording-layout :before,.is-recording-layout :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.is-recording-layout .present-bar{background:#0a111ef2;border:1px solid #2c3f57;border-radius:.8rem;gap:.3rem .5rem;width:min(60rem,100% - 1rem);padding:.3rem .5rem;bottom:.5rem;left:50%;right:auto;transform:translate(-50%)}.is-recording-layout .present-status{font-size:.85rem}@media (width>=640px) and (width<=1099px){.is-recording-layout .present-bar{width:calc(100% - 5.5rem);left:.5rem;transform:none}.is-presenting .guide-main{padding-right:4.5rem}}@media (width<=639px){.is-presenting .guide-main{padding-top:3.6rem}}.ink-lesson-frame{z-index:30;pointer-events:none;width:100%;position:absolute;top:0;left:0;overflow:hidden}.ink-focus-frame{z-index:36;pointer-events:none;width:100%;position:absolute;top:0;left:0;overflow:hidden}.ink-focus-frame[hidden]{display:none}.ink-focus{border:2px dashed var(--accent);border-radius:.6rem;position:absolute;box-shadow:0 0 0 200vmax #03070eb8}.ink-focus.is-spotlight{border-radius:50%}.ink-focus-handle{background:var(--accent);border:2px solid #04121c;border-radius:4px;width:16px;height:16px;position:absolute;bottom:-9px;right:-9px}.ink-focus.is-spotlight .ink-focus-handle{bottom:12%;right:12%}.ink-button.ink-focus-remove{pointer-events:auto;background:#0a111e;border-color:#36516a;position:absolute}.ink-shape-mark{border:2px dashed;border-radius:3px;flex:none;width:16px;height:12px}.ink-shape-mark.is-spotlight{border-radius:50%;width:14px;height:14px}.ink-style-button.is-focus-shape .ink-swatch-dot{width:14px;height:14px;box-shadow:none;background:0 0;border:2px dashed #d3deeb;border-radius:50%}.ink-style-button.is-focus-shape.is-rectangle .ink-swatch-dot{border-radius:3px;width:17px;height:12px}.ink-lesson{display:block}.ink-live{z-index:35;pointer-events:none;touch-action:none;width:100%;height:100%;position:fixed;inset:0}.ink-live.is-drawing{pointer-events:auto;cursor:crosshair}.ink-live.is-erasing{cursor:cell}.ink-live.on-board{z-index:55}.ink-board{z-index:50;touch-action:none;background:#0f1722;position:fixed;inset:0}.ink-board-canvas{width:100%;height:100%;position:absolute;inset:0}.ink-rail{z-index:58;overscroll-behavior:contain;background:#0a111ef2;border:1px solid #2c3f57;border-radius:.8rem;flex-direction:column;gap:.25rem;height:max-content;max-height:calc(100% - 5.6rem);margin-block:auto;padding:.3rem;display:flex;position:fixed;top:0;bottom:4.6rem;right:.5rem;overflow-y:auto}.ink-rail-tools{flex-direction:column;gap:.25rem;display:flex}.ink-rail.is-collapsed .ink-rail-tools{display:none}.is-inking .ink-rail{border-color:#4f8fa3}.ink-button{color:#d3deeb;touch-action:manipulation;background:0 0;border:1px solid #0000;border-radius:.55rem;place-items:center;width:44px;height:44px;padding:0;transition:none;display:grid;position:relative}.ink-button:hover{color:#fff;background:#142a3d}.ink-button[aria-pressed=true],.ink-button.is-drawing-tool{background:var(--accent);border-color:var(--accent);color:#04121c}.ink-button[aria-disabled=true],.ink-button:disabled{color:#6c819a;cursor:default;background:0 0}.ink-button :focus-visible,.ink-rail :focus-visible,.ink-pop :focus-visible,.ink-board-bar :focus-visible{outline-offset:1px}.ink-icon,.ink-icon svg{width:24px;height:24px;display:block}.ink-icon svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round}.ink-separator{background:#2c3f57;height:1px;margin:.1rem .35rem;display:block}.ink-swatch-dot{width:var(--ink-size,9px);height:var(--ink-size,9px);background:var(--ink,transparent);border-radius:50%;display:block;box-shadow:0 0 0 2px #0a111e,0 0 0 3.5px #8fa3ba}.ink-style-button.is-eraser .ink-swatch-dot{background:0 0;box-shadow:inset 0 0 0 1.5px #d3deeb}.ink-pop{z-index:59;background:#0a111e;border:1px solid #2c3f57;border-radius:.7rem;gap:.6rem;width:13.5rem;padding:.7rem .8rem .8rem;display:grid;position:fixed;box-shadow:0 .75rem 2rem #00000080}.ink-pop-label{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:0 0 .35rem;font-size:.75rem;font-weight:600}.ink-swatches{grid-template-columns:repeat(3,44px);gap:.4rem;display:grid}.ink-swatch{background:var(--ink);border:2px solid #2c3f57;border-radius:50%;width:44px;height:44px;padding:0;transition:none}.ink-swatch[aria-pressed=true]{box-shadow:0 0 0 3px var(--accent);border-color:#fff}.ink-sizes{gap:.3rem;display:grid}.ink-size{color:#d3deeb;text-align:left;background:0 0;border:1px solid #2c3f57;border-radius:.5rem;align-items:center;gap:.7rem;min-height:44px;padding:0 .7rem;font-size:.84rem;font-weight:600;transition:none;display:flex}.ink-size[aria-pressed=true]{border-color:var(--accent);color:#fff;background:#142a3d}.ink-size-dot{width:var(--ink-size);height:var(--ink-size);background:currentColor;border-radius:50%;flex:none}.ink-notice{z-index:57;color:#e7edf5;background:#0a111e;border:1px solid #fb923c;border-radius:.6rem;flex-wrap:wrap;align-items:center;gap:.4rem .8rem;width:min(36rem,100% - 1.5rem);padding:.6rem .8rem;font-size:.84rem;display:flex;position:fixed;top:.75rem;left:50%;transform:translate(-50%)}.ink-notice p{flex:16rem;margin:0}.ink-board-bar{z-index:57;background:#0a111ef2;border:1px solid #2c3f57;border-radius:.8rem;flex-wrap:wrap;justify-content:center;align-items:center;gap:.3rem .4rem;max-width:calc(100% - 1rem);padding:.3rem .45rem;display:flex;position:fixed;bottom:.6rem;left:50%;transform:translate(-50%)}.ink-page-status{color:#e7edf5;white-space:nowrap;margin:0 .3rem;font-size:.84rem;font-weight:600}.ink-board-note{color:#fbd38d;text-align:center;flex-basis:100%;margin:0;font-size:.75rem}@media (width<=639px){.ink-rail{flex-direction:row;max-width:calc(100% - .8rem);max-height:none;margin:0;inset:.4rem .4rem auto auto;overflow:auto hidden}.ink-rail-tools{flex-direction:row}.ink-separator{width:1px;height:auto;margin:.35rem .1rem}}.instructor-warning{color:#e7edf5;border-left:4px solid #fb923c;margin-top:1.2rem;display:block}.instructor-console{border:1px solid var(--line);background:var(--panel);border-radius:.6rem;margin:1.6rem 0 2.2rem;padding:1rem 1.25rem}.instructor-console-buttons,.instructor-step-buttons,.instructor-control-buttons{flex-wrap:wrap;gap:.5rem;margin:.6rem 0;display:flex}.instructor-connection{color:#e7edf5;font-weight:600}.instructor-now{z-index:5;overscroll-behavior:contain;border:1px solid var(--accent);background:#0c1727;border-radius:.6rem;max-height:55vh;margin-top:1rem;padding:.8rem 1rem;position:sticky;top:.5rem;overflow-y:auto}.instructor-now[hidden]{display:none}.instructor-now-title{color:#e7edf5;margin:.1rem 0 .4rem;font-size:1.15rem;font-weight:700}.instructor-now-progress{flex-wrap:wrap;align-items:center;gap:.3rem .7rem;margin:0 0 .5rem;font-size:.85rem;display:flex}.instructor-now-progress progress{width:min(16rem,100%);height:.6rem;accent-color:var(--accent)}.instructor-now-facts{gap:.3rem;margin:0 0 .5rem;display:grid}.instructor-now-facts div{grid-template-columns:minmax(7rem,auto) 1fr;gap:.6rem;display:grid}.instructor-now-facts dt{color:var(--muted);font-weight:600}.instructor-now-facts dd{margin:0}.instructor-now-guide summary{cursor:pointer;font-weight:600}.instructor-what-if{color:#f5c451;border-color:#6b5a2a;margin-right:.3rem}.instructor-misconceptions .instructor-respond{margin-top:.2rem;display:block}.instructor-steps{gap:1rem;margin:0;padding:0;list-style:none;display:grid}.instructor-steps>li{overflow-wrap:anywhere;min-width:0}.instructor-step{border:1px solid var(--line);background:var(--panel);border-left:4px solid #36516a;border-radius:.6rem;padding:1rem 1.2rem}.instructor-step.is-current{border-left-color:#f5c451}.instructor-step h3{flex-wrap:wrap;align-items:center;gap:.4rem .6rem;display:flex}.instructor-current{color:#f5c451;margin:0 0 .5rem;font-size:.8rem;font-weight:600}.instructor-label{letter-spacing:.06em;text-transform:uppercase;color:#bacbdf;margin:.8rem 0 .3rem;font-size:.75rem;font-weight:600}.instructor-controls ul{gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.instructor-controls li{gap:.2rem;font-size:.88rem;display:grid}.learning-track{margin:2.4rem 0}.track-stages{gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.track-stage{border:1px solid var(--line);background:var(--panel);border-radius:.5rem;padding:.6rem .9rem}.track-stage-title{color:#e7edf5;margin:0 0 .3rem;font-weight:600}.track-objective{font-variant-numeric:tabular-nums;color:var(--accent);margin-right:.4rem}.track-lessons{margin:0}.track-empty,.track-supporting{margin:.2rem 0 0;font-size:.85rem}.track-group{margin-top:1rem}.track-group h3{margin:0}@media print{@page{margin:16mm 14mm}html,body{color:#111!important;background:#fff!important}*,:before,:after{color:#111!important;box-shadow:none!important;text-shadow:none!important;background:0 0!important}.site-header,.skip-link,.site-footer,.guide-sidebar,.menu-button,.back-link,.toc,.aside-panel:has(.toc),.button,.button-row,.lesson-revision-actions,.check-answer,.filter-controls,.topic-details,[data-guide-contents],.step-through-controls,.hash-chain-controls,.caesar-shift-controls,.guided-toolbar,.guided-question-controls,.guided-progress,.present-bar,.token-demo-controls,.temperature-demo-controls,.temperature-demo-sampling,:is(.ink-lesson-frame,.ink-live,.ink-board,.ink-rail,.ink-pop,.ink-notice,.ink-board-bar,.ink-focus-frame,.present-pop,.teaching-pause,.present-screen){display:none!important}.guided-step[hidden],.guided-reveal[hidden]{display:block!important}.guided-question .guided-option input{display:none!important}.step-through .step-through-step[hidden]{display:flex!important}.step-through.is-interactive .step-through-step{min-height:0!important}.container,.guide-shell,.guide-main,.article-shell,.article-grid{width:auto!important;max-width:none!important;margin:0!important;padding:0!important;display:block!important}main{padding:0!important}[tabindex],.matrix-scroll,pre,table{overflow:visible!important}table{border-collapse:collapse;width:100%!important;min-width:0!important}th,td{border:1px solid #999!important;min-width:0!important;padding:.3rem .4rem!important}h1{margin-top:0!important;font-size:22pt!important}h2{font-size:15pt!important}h3{font-size:12.5pt!important}h1,h2,h3,h4{break-after:avoid;page-break-after:avoid}p,li{orphans:3;widows:3}.definition-panel,.lesson-callout,.lesson-panel,.check-question,figure,.notice,.card{border:1px solid #999!important}.definition-panel,.lesson-callout{border-left-width:4px!important}figure *,.definition-panel *,.lesson-callout *{border-color:#999!important}figure,.definition-panel,.lesson-callout,.check-question,pre,tr,li.port-security-frame,li.firewall-flow,li.ale-item,li.risk-rating-item{break-inside:avoid;page-break-inside:avoid}.term{border:0!important;padding:0!important;text-decoration:none!important}.term-definition{display:none!important}a{text-decoration:underline!important}.prose a[href^=http]:after{content:" (" attr(href) ")";overflow-wrap:anywhere;font-size:8.5pt}img{break-inside:avoid;max-width:100%!important}}
