#platform[hidden],#app[hidden]{display:none!important}.navigation-status{max-width:800px;margin:80px auto;padding:30px;font:400 16px/1.6 var(--sans);color:var(--ink)}.navigation-status h1{font-size:28px}.navigation-status :is(a,button[data-navigation]){display:inline-flex;min-height:44px;align-items:center;color:var(--teal)}@media(max-width:600px){.navigation-status{margin:35px 20px;padding:20px}}

.module-progress{display:block;font:400 10px/1.6 var(--mono);color:var(--teal);margin-top:7px}.topic-end{flex-direction:column;align-items:flex-end;gap:9px}.module-launch{display:flex;gap:8px;align-items:center;font-size:11px;font-weight:600;min-height:28px;white-space:nowrap}.module-unavailable{font-size:12px;color:#7b5948;display:inline-block;padding:10px 0}.missing-module .coming-soon{color:#835139;border-color:#cfbca6;background:#f7eee2}.missing-module .topic-copy>strong{color:var(--ink)}
@media(max-width:600px){.topic-row.available{flex-wrap:wrap}.topic-row.available .topic-copy{flex-basis:calc(100% - 38px)}.topic-row.available .topic-end{position:static;display:flex;flex-direction:row;justify-content:space-between;align-items:center;flex:1;margin-left:30px;gap:12px}.topic-row.available .topic-end .availability{display:inline-block;font-size:7px}.module-launch{min-height:32px;font-size:11px}.topic-row.available .topic-copy>strong{padding-right:0}.topic-row.missing-module .topic-format{padding-right:70px}}

/* Internal navigation is button-driven so an embedding host cannot treat it as an artifact link. */
button:where([data-navigation]){border:0;background:none;padding:0;text-align:left;justify-content:flex-start;cursor:pointer}
button[data-navigation]:focus-visible{outline:3px solid #c97941;outline-offset:5px}
.platform-text-link[data-navigation]{text-decoration:underline}
.topic-row[data-navigation],.feature-launch[data-navigation]{width:100%}
.platform-header nav button[data-navigation]{font-size:14px;text-decoration:none;display:flex;gap:12px;align-items:center;min-height:44px}
.platform-header nav button[data-navigation][aria-current]{color:var(--teal);font-weight:600}
.track-index>button[data-navigation]{display:flex;gap:13px;font-size:13px;line-height:1.5;padding:9px 0;min-height:44px;align-items:center}
.track-index>button[data-navigation]>span{font:400 12px var(--mono);color:#567060}
.track-index>button[data-navigation]:hover{color:var(--teal);text-decoration:underline;text-underline-offset:4px}
.briefing-index>button[data-navigation]{display:inline-flex;font-size:12px;color:var(--teal);min-height:44px;align-items:center;margin-top:24px;border:0;border-top:1px solid var(--line);padding:12px 0 0}
.module-menu-links button[data-navigation]{font-size:13px;display:inline-flex;align-items:center;min-height:44px;color:var(--teal)}
@media(max-width:800px){.platform-header nav button[data-navigation]{font-size:12px}.platform-header nav button[data-navigation]:last-child>svg{display:none}.track-index button[data-navigation]{font-size:12px}.briefing-index>button[data-navigation]{display:none}}
@media(max-width:600px){.platform-header nav button[data-navigation]{min-height:36px}.module-menu-links button[data-navigation]{font-size:12px}}

/* Shared learning layout: reduce page chrome, never constrain lesson height. */
.briefing-main,.exam-main{padding-top:12px}
.briefing-main .briefing-heading{margin:8px 0 20px}
.briefing-main .briefing-heading h1{margin-top:8px}
.check-main .check-intro{margin:0 0 20px}
.briefing-progress{padding-top:16px;padding-bottom:16px}
.briefing-body{padding-top:24px;padding-bottom:24px}
.briefing-compare,.briefing-flow,.answer-illustration,.trust-illustration{margin-top:22px;margin-bottom:22px}
.briefing-controls{padding-top:14px;padding-bottom:14px}
.main-content{padding-top:20px}
.main-content .page-heading{margin-bottom:18px}
.main-content .phase-tracker{margin-bottom:18px}
.intro-main{min-height:0;padding-top:24px;padding-bottom:32px;align-items:start}
.intro-main .intro-copy h1{margin-top:16px;margin-bottom:18px}
.review-body{min-height:0}
.console-panel>.panel-bottom,.scorecard>.panel-bottom,.exam-controls,.exam-submit-bar{position:sticky;bottom:0;z-index:4}
.quiz-panel{overflow:visible}
.lesson-dialog .lesson-controls{position:sticky;bottom:0;z-index:4;background:var(--white);padding:12px 0}
.exam-heading{padding-top:12px;padding-bottom:20px}
.exam-intro{padding-top:24px;padding-bottom:32px}
.briefing-card,#phase-content,.exam-question-card,.exam-review-list,.exam-result{scroll-margin-top:100px}
@media(max-width:800px){.briefing-layout{gap:18px}.briefing-index{gap:4px}.briefing-index button{min-height:44px}.intro-main{gap:24px}}
@media(max-width:600px){
 .platform-header nav{flex-wrap:wrap}
 .briefing-main .briefing-heading{margin:8px 0 18px}
 .briefing-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:12px;padding:14px 16px}
 .briefing-controls>*,.exam-controls>*{min-width:0;white-space:normal;text-align:center;justify-content:center}
 .briefing-controls :is(.primary,.platform-primary,.outline-button){min-height:44px}
 .main-content .page-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}
 .page-heading>div,.intro-header>*{min-width:0}
 .lesson-dialog .lesson-controls{bottom:0;padding-bottom:12px}
 .intro-main .intro-art{max-width:100%}
}
.final-exam-card .module-progress{color:#9acdc2}