/* eClassVirtual Design System 1.4 adapter. Presentation only. */
@font-face{font-family:Inter;src:url('design-system/fonts/InterVariable.woff2') format('woff2');font-style:normal;font-weight:100 900;font-display:swap}
:root{--bg:var(--ecv-bg);--ink:var(--ecv-text);--muted:var(--ecv-muted);--line:var(--ecv-border);--blue:var(--ecv-accent);--green:var(--ecv-success);--ecv-action:#0d7b74;--ecv-link:#0d766e;--ecv-soft:#edf7f6;--ecv-network-dot:#dce9e7;--ecv-success-bg:#edf8f2;--ecv-success-text:#176647;--ecv-error-bg:#fff2f0;--ecv-error-text:#a52d25;--ecv-warning-bg:#fff7e9;--ecv-warning-text:#855b18}
[data-ecv-mode="dark"]{color-scheme:dark;--ecv-link:#72d8cf;--ecv-soft:#183534;--ecv-network-dot:#283c4b;--ecv-success-bg:#16362e;--ecv-success-text:#93e3bd;--ecv-error-bg:#3c252c;--ecv-error-text:#ffb7ad;--ecv-warning-bg:#342e20;--ecv-warning-text:#f0cc85}
body.ecv-ui{margin:0;font:400 16px/1.6 Inter,system-ui,sans-serif;background:var(--ecv-bg);color:var(--ecv-text)}
.ecv-ui :is(h1,h2,h3,h4){font-family:Inter,system-ui,sans-serif;font-weight:600;color:var(--ecv-text)}
.ecv-ui button,.ecv-ui select,.ecv-ui input{font-family:Inter,system-ui,sans-serif}.ecv-ui button,.ecv-ui .ecv-btn{font-weight:600}
.ecv-ui a:focus-visible,.ecv-ui button:focus-visible,.ecv-ui summary:focus-visible,.ecv-ui [tabindex]:focus-visible{outline:3px solid var(--ecv-link);outline-offset:3px}
.ecv-ui .topbar.ecv-topbar{height:84px;min-height:84px;padding:12px 30px;gap:12px;flex-wrap:nowrap;border-bottom:1px solid var(--ecv-border);background:var(--ecv-surface);box-shadow:none}
.ecv-ui .compact-brand{display:flex;align-items:center;gap:20px;font-family:Inter,sans-serif;color:var(--ecv-text);letter-spacing:0;flex-shrink:0;margin-right:auto}
.institutional-logo{display:block;width:174px;height:36px;position:relative;overflow:hidden;flex-shrink:0}
.ecv-ui .institutional-logo .ecv-logo-light{position:absolute;max-width:none;object-fit:contain;width:215px;height:215px;left:-20px;top:-91px}
.ecv-ui .institutional-logo .ecv-logo-dark{display:none;position:absolute;max-width:none;width:174px;height:auto;left:0;top:2px}
[data-ecv-mode="dark"] .institutional-logo .ecv-logo-light{display:none}[data-ecv-mode="dark"] .institutional-logo .ecv-logo-dark{display:block}
.app-identity{display:grid;gap:2px;border-left:1px solid var(--ecv-border);padding-left:18px;line-height:1.4}.app-identity>small{font-size:11px;font-weight:400;letter-spacing:.8px;color:var(--ecv-muted)}.app-identity>strong{font-size:18px;font-weight:600}
.ecv-ui .change-topic-button,.ecv-ui .theme-toggle{min-height:44px;border:1px solid var(--ecv-border);background:var(--ecv-surface);color:var(--ecv-text);font-size:14px;padding:10px 14px;white-space:nowrap;border-radius:8px}
.ecv-ui .change-topic-button{gap:0}.ecv-ui .change-topic-button:hover,.ecv-ui .theme-toggle:hover{background:var(--ecv-bg)}
.ecv-ui .theme-toggle{display:grid;place-items:center;width:44px;padding:10px;flex-shrink:0}.theme-toggle svg{height:20px;width:20px}
.ecv-ui .utility-menu{color:var(--ecv-muted);font-size:14px}.ecv-ui .utility-menu>summary{color:var(--ecv-muted);padding:11px 8px;min-height:44px}.ecv-ui .utility-menu>div{background:var(--ecv-surface);color:var(--ecv-text);border-color:var(--ecv-border);box-shadow:0 12px 28px #0002}.ecv-ui .utility-menu .nav-link,.ecv-ui .utility-menu .help-link{color:var(--ecv-text);background:var(--ecv-surface);min-height:44px;border-radius:8px}.ecv-ui .utility-menu button:hover{background:var(--ecv-bg)}
.ecv-ui .topbar>.aula-navigation{gap:12px;flex-shrink:0}.ecv-ui .aula-back,.ecv-ui .exit-link{color:var(--ecv-muted);min-height:44px;display:inline-flex;align-items:center;gap:6px;font-size:13px}.ecv-ui .aula-divider{background:var(--ecv-border)}.ecv-ui .xp-pill{background:var(--ecv-soft);color:var(--ecv-link);font-weight:600}.ecv-ui .xp-pill svg{fill:currentColor}
.ecv-ui main{max-width:1010px;padding:28px 24px 0}.ecv-ui .practice-area .area-badge{font-weight:600;font-size:14px;padding:8px 12px;border-radius:8px}
.ecv-ui .question-card.ecv-card{background:var(--ecv-surface);color:var(--ecv-text);border:1px solid var(--ecv-border);border-top:3px solid var(--area-ink);border-radius:12px;padding:24px 28px;box-shadow:0 3px 12px #10203005}
.ecv-ui .question-card h2{font-size:26px;line-height:1.45;font-weight:600;letter-spacing:-.4px;margin:18px 0 12px}.ecv-ui .question-context{color:var(--ecv-muted);font-size:16px;line-height:1.8}.ecv-ui .question-meta{color:var(--ecv-muted);font-size:12px;font-weight:600;letter-spacing:.7px}.ecv-ui .question-syllabus{border-color:var(--ecv-border)}.ecv-ui .question-syllabus>p{font-weight:400;font-size:13px;color:var(--area-ink)}
.ecv-ui .question-card .answer{border:1px solid var(--ecv-border);background:var(--ecv-surface);color:var(--ecv-text);font-size:16px;font-weight:400;min-height:58px;border-radius:8px;padding:14px 16px;line-height:1.6}.ecv-ui .answer:hover:not(:disabled){border-color:var(--ecv-accent);background:var(--ecv-soft)}.ecv-ui .answer.selected{background:var(--ecv-soft);border-color:var(--ecv-accent)}.ecv-ui .answer-letter{font-weight:600;background:var(--ecv-bg);color:var(--ecv-muted);border:1px solid var(--ecv-border);border-radius:6px}.ecv-ui .answer-radio{border-color:var(--ecv-muted)}.ecv-ui .answer.selected .answer-radio{border-color:var(--ecv-accent);background:var(--ecv-accent);box-shadow:inset 0 0 0 4px var(--ecv-surface)}
.ecv-ui .question-card .answer.correct{background:var(--ecv-success-bg);border-color:var(--ecv-success-text);color:var(--ecv-success-text)}.ecv-ui .question-card .answer.wrong{background:var(--ecv-error-bg);border-color:var(--ecv-error-text);color:var(--ecv-error-text)}.ecv-ui .answer.correct .answer-letter,.ecv-ui .answer.wrong .answer-letter{background:transparent;color:inherit;border-color:currentColor}.ecv-ui .answer.correct .answer-radio{border-color:var(--ecv-success-text)}.ecv-ui .answer.wrong .answer-radio{border-color:var(--ecv-error-text)}
.ecv-ui .question-actions{border-color:var(--ecv-border)}.ecv-ui .question-card .question-actions .primary-button,.ecv-ui .primary-button{min-height:46px;padding:12px 20px;border:1px solid transparent;border-radius:8px;background:var(--ecv-action);color:#fff;font-size:16px;font-weight:600;box-shadow:none}.ecv-ui .primary-button:hover:not(:disabled){background:#096b65}.ecv-ui .primary-button:disabled{opacity:.55;background:var(--ecv-action);color:#fff}.ecv-ui .hint-button{color:var(--ecv-muted);font-weight:400;min-height:44px}
.ecv-ui .feedback{background:var(--ecv-success-bg);color:var(--ecv-success-text);border:1px solid var(--ecv-success-text);border-radius:8px;padding:20px}.ecv-ui .feedback.incorrect{background:var(--ecv-warning-bg);color:var(--ecv-warning-text);border-color:var(--ecv-warning-text)}.ecv-ui .feedback h3{color:inherit;font-size:18px;font-weight:600}.ecv-ui .feedback p{color:inherit;font-size:15px;line-height:1.8}.ecv-ui .feedback summary{color:inherit;font-size:14px;min-height:34px}.ecv-ui .feedback details{border-color:currentColor}.ecv-ui .feedback .reference-target{font-size:13px}.ecv-ui .technical-sources a{color:var(--ecv-link);text-decoration:underline;text-underline-offset:3px}.ecv-ui .hint-box{background:var(--ecv-warning-bg);color:var(--ecv-warning-text);border-color:var(--ecv-warning-text);font-size:15px}
.ecv-ui .question-card .topology-card{background:var(--ecv-surface);border:1px solid var(--ecv-border);border-radius:12px;box-shadow:none}.ecv-ui .card-bar{background:var(--ecv-surface);color:var(--ecv-muted);border-color:var(--ecv-border)}.ecv-ui .icon-button{color:var(--ecv-muted);background:transparent;min-width:40px;min-height:40px}.ecv-ui .live-dot{background:var(--ecv-accent);box-shadow:none}.ecv-ui .topology{background-color:var(--ecv-surface);background-image:radial-gradient(var(--ecv-network-dot) .7px,transparent .7px);background-size:16px 16px}.ecv-ui .network-lines .wire{stroke:var(--ecv-border)}.ecv-ui .network-lines .wire-flow{stroke:var(--ecv-accent)}.ecv-ui .network-lines circle{fill:var(--ecv-surface);stroke:var(--ecv-accent)}
.ecv-ui .device{color:var(--ecv-text)}.ecv-ui .device strong,.ecv-ui .wan-label b{font-weight:600;color:var(--ecv-text)}.ecv-ui .device small,.ecv-ui .wan-label span,.ecv-ui .wan-label small{font-weight:400;color:var(--ecv-muted);font-size:12px}.ecv-ui .device em,.ecv-ui .device-badge{background:var(--ecv-soft);color:var(--ecv-link);font-size:11px}.ecv-ui .device-graphic,.ecv-ui .router-graphic,.ecv-ui .switch-graphic,.ecv-ui .firewall-graphic{color:var(--ecv-link)}.ecv-ui svg.network-symbol{width:58px;height:58px;stroke:currentColor;stroke-width:2.6;fill:none;filter:none}.ecv-ui .device-graphic svg{fill:none}.ecv-ui .cloud-icon{background:var(--ecv-soft);border:1px solid var(--ecv-border);color:var(--ecv-link)}.ecv-ui .cloud-icon svg.network-symbol{width:37px;height:37px}
.ecv-ui .nat-node-icon,.ecv-ui .nat-node-icon.firewall-node{background:var(--ecv-soft);color:var(--ecv-link);border:1px solid var(--ecv-border);box-shadow:none}.ecv-ui .nat-node-icon .network-symbol{width:43px;height:43px}.ecv-ui .nat-flow-label{color:var(--ecv-muted);font-weight:600;letter-spacing:.8px}.ecv-ui .nat-node strong{color:var(--ecv-text);font-weight:600}.ecv-ui .nat-node b{color:var(--ecv-link);font-weight:600}.ecv-ui .nat-node small,.ecv-ui .nat-observation{color:var(--ecv-muted)}.ecv-ui .nat-network-arrow{color:var(--ecv-link)}.ecv-ui .routing-branches,.ecv-ui .routing-branches>div:before{border-color:var(--ecv-link)}.ecv-ui .routing-branches strong{color:var(--ecv-text);font-weight:600}.ecv-ui .routing-branches span{color:var(--ecv-muted)}
.ecv-ui .question-card>#lab-scenario{background:var(--ecv-bg);border-color:var(--ecv-border)}.ecv-ui .lab-scenario summary,.ecv-ui .lab-scenario p{color:var(--ecv-muted);font-size:13px;line-height:1.8}.ecv-ui .question-card>#question-fixture{background:var(--ecv-bg);border-color:var(--ecv-border);border-radius:8px}.ecv-ui .question-fixture h3{font-size:16px;font-weight:600;color:var(--ecv-text)}.ecv-ui .question-fixture>p{color:var(--ecv-muted);font-size:13px}.ecv-ui .ecv-table,.ecv-ui .ecv-table td{background:var(--ecv-surface);color:var(--ecv-text);border-color:var(--ecv-border);font-size:14px}.ecv-ui .ecv-table th{background:var(--ecv-bg);color:var(--ecv-text);font-weight:600;font-size:13px;border-color:var(--ecv-border)}.ecv-ui .policy-action.accept{background:var(--ecv-success-bg);color:var(--ecv-success-text)}.ecv-ui .policy-action.deny{background:var(--ecv-error-bg);color:var(--ecv-error-text)}.ecv-ui .packet-facts>span{background:var(--ecv-surface);border-color:var(--ecv-border);color:var(--ecv-muted)}.ecv-ui .packet-facts b{color:var(--ecv-text);font-weight:600}.ecv-ui .config-excerpt{background:var(--ecv-bg);color:var(--ecv-text);border:1px solid var(--ecv-border);font-size:13px}
.ecv-ui .simple-topic-heading h1{font-size:28px;font-weight:600;letter-spacing:-.5px}.ecv-ui .simple-topic-heading p{color:var(--ecv-muted);font-size:16px}.ecv-ui .eyebrow,.ecv-ui .simple-topic-note,.ecv-ui .resume-practice{color:var(--ecv-muted)}.ecv-ui .resume-practice{color:var(--ecv-link)}.ecv-ui .simple-topic{background:var(--ecv-surface);border-color:var(--area-line);border-left:4px solid var(--area-ink);border-radius:12px}.ecv-ui .simple-topic-start{background:var(--area-soft);color:var(--area-ink)}.ecv-ui .simple-topic-start strong{font-weight:600;font-size:18px}.ecv-ui .simple-topic-start>b{background:var(--ecv-surface);font-weight:600}.ecv-ui .simple-topic-start small,.ecv-ui .simple-topic>details>summary,.ecv-ui .simple-topic li>span,.ecv-ui .simple-topic li p{color:var(--ecv-muted)}.ecv-ui .simple-topic li strong{color:var(--ecv-text);font-weight:600}.ecv-ui .simple-topic li{border-color:var(--ecv-border)}.ecv-ui .simple-prerequisite{color:var(--ecv-muted);background:var(--ecv-surface);border-color:var(--ecv-border)}
[data-ecv-mode="dark"] [data-area="deployment"]{--area-ink:#a5c9ff;--area-soft:#1a2d47;--area-line:#49698f}[data-ecv-mode="dark"] [data-area="policies"]{--area-ink:#d6b7ff;--area-soft:#2b2444;--area-line:#715b97}[data-ecv-mode="dark"] [data-area="inspection"]{--area-ink:#f0cb82;--area-soft:#342d22;--area-line:#8f7547}[data-ecv-mode="dark"] [data-area="routing"]{--area-ink:#82d9ce;--area-soft:#193432;--area-line:#477e77}[data-ecv-mode="dark"] [data-area="vpns"]{--area-ink:#f0b3d0;--area-soft:#372535;--area-line:#8d5b76}[data-ecv-mode="dark"] [data-area="prerequisite"]{--area-ink:#b9c8dc;--area-soft:#243247;--area-line:#60718a}
.ecv-ui dialog.ecv-dialog{background:var(--ecv-surface);color:var(--ecv-text);border:1px solid var(--ecv-border);border-radius:16px;max-width:min(650px,calc(100vw - 32px));padding:24px}.ecv-ui .modal-header{border-color:var(--ecv-border)}.ecv-ui .modal-header h2{font-size:22px;font-weight:600;color:var(--ecv-text)}.ecv-ui .modal-copy,.ecv-ui .modal-copy li{color:var(--ecv-muted);font-size:15px}.ecv-ui .summary-grid>div{background:var(--ecv-bg);border:1px solid var(--ecv-border)}.ecv-ui .summary-grid strong{color:var(--ecv-link);font-weight:600}.ecv-ui .summary-grid small{color:var(--ecv-muted)}.ecv-ui .rank-row{border-color:var(--ecv-border);color:var(--ecv-text)}.ecv-ui .rank-row.you{background:var(--ecv-soft);border-color:var(--ecv-border)}.ecv-ui .rank-name,.ecv-ui .rank-name small,.ecv-ui .rank-number{color:var(--ecv-muted)}.ecv-ui .rank-avatar{background:var(--ecv-bg);color:var(--ecv-link)}.ecv-ui .outline-button{background:var(--ecv-surface);border-color:var(--ecv-border);color:var(--ecv-text)}.ecv-ui .learning-note,.ecv-ui footer{color:var(--ecv-muted)}.ecv-ui footer{border-color:var(--ecv-border);font-size:12px}
@media(max-width:1100px){.ecv-ui .topbar.ecv-topbar{padding-inline:20px;gap:10px}.app-identity{gap:1px;padding-left:12px}.app-identity>strong{font-size:16px}.ecv-ui .compact-brand{gap:12px}.ecv-ui .topbar .top-stats{display:none}.ecv-ui .topbar>.aula-navigation{gap:10px}}
@media(max-width:980px){.ecv-ui .topbar.ecv-topbar{height:68px;min-height:68px;padding:10px 16px;gap:8px}.app-name-long,.app-identity>small{display:none}.app-identity{border:0;padding-left:0}.app-identity>strong{font-size:16px}.ecv-ui .compact-brand{gap:10px}.ecv-ui .aula-back,.ecv-ui .exit-link{font-size:12px}.ecv-ui .topbar>.aula-navigation{gap:8px}.institutional-logo{width:145px;height:30px}.ecv-ui .institutional-logo .ecv-logo-light{width:180px;height:180px;left:-17px;top:-76px}.ecv-ui .institutional-logo .ecv-logo-dark{width:145px;top:1px}}
@media(max-width:680px){.ecv-ui .topbar.ecv-topbar{flex-wrap:wrap;height:auto;min-height:68px;padding:10px 14px;gap:8px}.ecv-ui .compact-brand{margin-right:auto}.ecv-ui .change-topic-button{font-size:13px;padding:10px;min-height:44px}.ecv-ui .theme-toggle{width:40px;min-height:44px;padding:8px}.wide-control{display:none}.ecv-ui .utility-menu>summary{padding:11px 4px;min-height:44px}.ecv-ui .topbar>.aula-navigation{width:100%;justify-content:flex-end;gap:14px;border-top:1px solid var(--ecv-border);padding-top:2px}.ecv-ui .aula-back,.ecv-ui .exit-link{min-height:40px;font-size:12px}.app-identity>strong{font-size:14px}.institutional-logo{width:123px;height:28px}.ecv-ui .institutional-logo .ecv-logo-light{width:151px;height:151px;left:-14px;top:-63px}.ecv-ui .institutional-logo .ecv-logo-dark{width:123px;top:2px}.ecv-ui main{padding:20px 14px 0}.ecv-ui .question-card.ecv-card{padding:20px 17px}.ecv-ui .question-card h2{font-size:23px;line-height:1.5}.ecv-ui .question-card .answer{font-size:16px;padding:13px 12px}.ecv-ui .question-context{font-size:16px}.ecv-ui .question-card .question-actions .primary-button{font-size:16px;min-height:46px}.ecv-ui .simple-topic-heading h1{font-size:24px}.ecv-ui .simple-topic-start strong{font-size:17px}.ecv-ui .practice-area .area-badge{font-size:13px}.ecv-ui .feedback{padding:17px}.ecv-ui .feedback p{font-size:15px}.ecv-ui dialog.ecv-dialog{padding:20px}.ecv-ui .modal-header h2{font-size:20px}}
@media(prefers-reduced-motion:reduce){.ecv-ui *,.ecv-ui *::before,.ecv-ui *::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(max-width:680px){.ecv-ui .topbar.ecv-topbar{height:68px;min-height:68px;flex-wrap:nowrap}.ecv-ui .utility-menu .aula-navigation{display:flex;flex-direction:column;align-items:stretch;width:100%;border-top:1px solid var(--ecv-border);padding-top:6px;gap:0}.ecv-ui .utility-menu .aula-navigation a{padding:10px 12px;min-height:44px;border-radius:8px;font-size:14px;color:var(--ecv-text)}.ecv-ui .utility-menu .aula-navigation a:hover{background:var(--ecv-bg)}.ecv-ui .utility-menu .aula-divider{display:none}.ecv-ui .topbar .utility-menu>div{top:44px;right:0}}
[data-ecv-mode="dark"] .ecv-ui .router-graphic,[data-ecv-mode="dark"] .ecv-ui .switch-graphic{color:#E7EEF8}
.ecv-ui .change-topic-button{gap:4px}
.ecv-ui .card-bar>span{color:var(--ecv-muted)}

/* Inicio: una acción principal y elección opcional de tema. */
.ecv-ui .entry-panel{display:grid;grid-template-columns:1.12fr 1fr;gap:36px;align-items:center;padding:36px;margin:6px 0 38px;border:1px solid var(--ecv-border);border-top:4px solid var(--ecv-accent);border-radius:16px;background:var(--ecv-surface);color:var(--ecv-text)}
.ecv-ui .entry-panel[hidden],.ecv-ui .entry-steps[hidden],.ecv-ui .entry-progress[hidden]{display:none}
.ecv-ui .entry-kicker{font-size:12px;line-height:1.6;font-weight:600;letter-spacing:1px;color:var(--ecv-link)}
.ecv-ui .entry-intro h1{font:600 clamp(26px,3vw,34px)/1.25 Inter,sans-serif;letter-spacing:-.8px;margin:14px 0}
.ecv-ui .entry-intro>p{color:var(--ecv-muted);font-size:18px;line-height:1.7;margin:0 0 24px;max-width:420px}
.ecv-ui .entry-intro>.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:12px;text-decoration:none;white-space:normal;text-align:center;line-height:1.5}
.ecv-ui .entry-intro>.primary-button svg{width:18px;height:18px;flex-shrink:0}
.ecv-ui .entry-intro>small{display:block;font-size:13px;color:var(--ecv-muted);line-height:1.6;margin-top:12px}
.ecv-ui .entry-steps{display:grid;gap:22px;margin:0;padding:24px 0 24px 28px;border-left:1px solid var(--ecv-border);list-style:none}
.ecv-ui .entry-steps li{display:flex;align-items:flex-start;gap:14px}
.ecv-ui .entry-steps li>b{display:grid;place-items:center;width:32px;height:32px;flex-shrink:0;border-radius:9px;font-size:14px;background:var(--ecv-soft);color:var(--ecv-link)}
.ecv-ui .entry-steps strong{display:block;font-weight:600;font-size:16px;line-height:1.6}
.ecv-ui .entry-steps li span{display:block;font-size:15px;line-height:1.7;color:var(--ecv-muted);margin-top:3px}
.ecv-ui .entry-progress{padding:26px;background:var(--ecv-bg);border:1px solid var(--ecv-border);border-radius:12px}
.ecv-ui .entry-progress-values{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.ecv-ui .entry-progress-values strong{display:block;font-size:24px;line-height:1.5;font-weight:600;color:var(--ecv-text)}
.ecv-ui .entry-progress-values span{display:block;font-size:13px;line-height:1.6;color:var(--ecv-muted)}
.ecv-ui .entry-progress>p{color:var(--ecv-muted);font-size:14px;line-height:1.7;margin:22px 0 0;padding-top:18px;border-top:1px solid var(--ecv-border)}
.ecv-ui .simple-topic-heading h2{font-size:23px;line-height:1.5;font-weight:600;letter-spacing:-.4px;margin:0 0 6px;color:var(--ecv-text)}
.ecv-ui .practice-navigation{display:flex;gap:14px;justify-content:space-between;align-items:center;margin:0 0 18px;color:var(--ecv-muted);font-size:13px;line-height:1.5}
.ecv-ui .practice-navigation>a{display:inline-flex;align-items:center;min-height:36px;color:var(--ecv-link);font-size:14px}
@media(max-width:760px){.ecv-ui .entry-panel{grid-template-columns:1fr;gap:26px;padding:26px;margin-top:0;margin-bottom:28px}.ecv-ui .entry-steps{padding:24px 0 0;border-left:0;border-top:1px solid var(--ecv-border);gap:20px}.ecv-ui .entry-intro>p{max-width:none}.ecv-ui .entry-progress{padding:22px}.ecv-ui .practice-navigation>span{max-width:65%;text-align:right}}
@media(max-width:440px){.ecv-ui .entry-panel{padding:23px 20px;gap:24px}.ecv-ui .entry-intro h1{font-size:27px}.ecv-ui .entry-intro>p{font-size:17px}.ecv-ui .entry-intro>.primary-button{width:100%;padding:13px 14px}.ecv-ui .entry-steps li{gap:12px}.ecv-ui .entry-progress{padding:18px}.ecv-ui .entry-progress-values{gap:10px}.ecv-ui .entry-progress-values strong{font-size:22px}}
.ecv-ui .entry-intro>.entry-bank-summary{font-size:14px;line-height:1.7;margin:-10px 0 22px;color:var(--ecv-muted)}

/* Enlaces anclados a los límites reales de los equipos. */
.ecv-ui .topology{position:relative;isolation:isolate}
.ecv-ui .topology>.topology-links{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;overflow:visible;color:var(--ecv-link)}
.ecv-ui .topology-links path{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.ecv-ui .topology>.network-lines,.ecv-ui .nat-network-arrow{display:none}
.ecv-ui .nat-network,.ecv-ui .routing-network,.ecv-ui .nat-flow-label,.ecv-ui .nat-observation{position:relative;z-index:1}
.ecv-ui .nat-network>.nat-node{flex:1 0 145px;width:auto;max-width:220px}
.ecv-ui .routing-branches{border:0;padding-left:24px}
.ecv-ui .routing-branches>div{border:1px solid var(--ecv-border);border-radius:8px;background:var(--ecv-surface);padding:12px 14px}
.ecv-ui .routing-branches>div:before{display:none}

.aula-session-gate{position:fixed;inset:0;z-index:10000;background:var(--ecv-bg,#f4f8f6);color:var(--ecv-text,#172f27);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;text-align:center;gap:20px}.aula-session-gate h1{font-size:clamp(26px,4vw,40px)}.aula-session-gate p{max-width:600px;font-size:18px;line-height:1.6}

body.aula-session-pending > :not(.aula-session-gate){visibility:hidden}