[hidden]{display:none!important}
:root{color-scheme:dark;color:#edf4f1;background:#07100e}
html,body{height:100%}
body{background:radial-gradient(circle at top right,#10352b 0,transparent 32rem),#07100e;color:#edf4f1}
body.live-sim{overflow:hidden}
.shell{width:min(1420px,calc(100% - 24px));padding:12px 0 30px}
body.live-sim .shell{height:100dvh;max-height:100dvh;padding:10px 0;box-sizing:border-box;display:flex;flex-direction:column;overflow:hidden}
.panel{background:#0d1714;border:1px solid #263a34;box-shadow:none}
.workspace{grid-template-columns:300px minmax(0,1fr);grid-template-rows:auto minmax(0,1fr);gap:12px;align-items:stretch;flex:1;min-height:0;height:100%;max-height:100%;overflow:hidden}
.live-appbar{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 18px;border:1px solid #263a34;border-radius:15px;background:#0b1512;flex-shrink:0}
.brand-group,.appbar-actions{display:flex;align-items:center;gap:14px}
.brand-group strong{font-size:1.45rem}
.brand-mark{font-size:1.85rem;color:#36d39a;line-height:1}
.appbar-divider{height:28px;width:1px;background:#2d3e39}
.appbar-actions .status{background:#13231e;border-color:#29483e;color:#dce8e3}
.end-button-appbar{padding:8px 14px;font-size:.88rem;font-weight:800;min-height:36px;white-space:nowrap}
.icon-button,.scenario-details-button{display:none!important}
.brief-panel{position:static;padding:16px;display:flex;flex-direction:column;min-height:0;height:100%;overflow:hidden}
/* Scenario-agnostic square portrait frame: 1:1 box, cover fill, upper-center faces */
.portrait-frame.portrait-prominent,.portrait-prominent{position:relative;width:min(100%,210px);max-width:100%;height:auto;max-height:min(210px,32vh);aspect-ratio:1/1;margin:0 auto;overflow:hidden;border-radius:14px;border:1px solid #294139;background:#15251f;display:grid;place-items:center;flex:0 0 auto;box-sizing:border-box}
.participant-portrait{position:absolute;z-index:2;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 22%;display:block;background:#15251f}
.participant-portrait[hidden]{display:none!important}
.portrait-fallback{position:absolute;z-index:1;inset:0;display:grid;place-items:center;font-size:2.6rem;font-weight:900;color:#d9ede5;background:#15251f}
.participant-identity-prominent{padding-top:12px;flex:0 0 auto;text-align:center}
.participant-identity-prominent strong{display:block;font-size:1.35rem;color:#f4f8f6;line-height:1.15;letter-spacing:-0.01em}
.participant-identity-prominent p{margin:5px 0 0;color:#aab8b3;font-size:.9rem;line-height:1.35}
.rail-divider{height:1px;background:#263a34;margin:14px 0;flex:0 0 auto}
.scenario-rail-copy{display:flex;flex-direction:column;min-height:0;flex:1 1 auto;overflow:hidden;gap:8px}
.scenario-rail-copy .eyebrow,.role-block .eyebrow{color:#57bd98;margin-bottom:0;letter-spacing:.08em}
.scenario-brief-scroll{min-height:0;flex:1 1 auto;max-height:none;overflow-y:auto;padding-right:4px;scrollbar-width:thin;scrollbar-color:#355348 transparent}
.scenario-brief-scroll>p,#learner-brief{margin:0;color:#c3cfcb;font-size:.92rem;line-height:1.55}
.role-block{flex:0 0 auto}
.role{color:#f1f6f4;font-weight:800;margin-bottom:0;font-size:.98rem;line-height:1.4}
.conversation-panel{min-height:0;height:100%;display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden}
.conversation-heading{padding:14px 22px;border-color:#263a34}
.conversation-heading h2{font-size:1.4rem;color:#f2f7f5}
.turn-count{background:#16231f;border-color:#2b4039;color:#dce8e3}
.messages{padding:18px 22px;min-height:0;max-height:none;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#355348 transparent}
.message{max-width:min(72%,760px);margin-bottom:18px}
.message p{padding:14px 16px;font-size:1.05rem;line-height:1.48;border-radius:16px}
.message.participant p{background:#202c29;color:#edf4f1}
.message.learner p{background:#145f4a;color:#fff}
.message-meta{font-size:.82rem;color:#a6b4af}
.composer{border-color:#263a34;background:#0b1412;padding:12px 16px 10px;flex-shrink:0}
textarea{min-height:72px;max-height:140px;background:#0b1412;color:#edf4f1;border-color:#4a645b;border-radius:12px;font-size:1.02rem}
.composer-actions{margin-top:8px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.composer-buttons{display:flex;align-items:center;gap:10px;margin-left:auto}
.hint{color:#7f918a}
.send-icon{border-radius:10px;min-width:54px;font-size:1.2rem}
/* Start / landing */
.start-panel{background:#0d1714;border-color:#263a34;color:#edf4f1;min-height:min(72vh,560px);padding:clamp(40px,8vw,96px);gap:32px}
.start-copy{display:grid;gap:16px;max-width:740px}
.start-panel .eyebrow{color:#6fd0a8}
.start-panel h1{color:#f2f7f5;margin-bottom:0;letter-spacing:-0.02em}
.start-scenario-tag{margin:0;display:inline-flex;width:fit-content;padding:6px 11px;border-radius:999px;border:1px solid #2f4a40;background:#13231e;color:#8fd4b8;font-size:.76rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.start-tagline{margin:0;color:#dce8e3;font-size:clamp(1.15rem,2.2vw,1.5rem);font-weight:700;line-height:1.3}
.start-panel .lede{color:#aebdb7;margin:0;max-width:680px;font-size:1.05rem;line-height:1.55}
.start-cta{margin-top:4px;min-width:190px;padding:14px 24px;font-size:1.04rem}
.secondary{background:#f4f8f6;color:#10241c;border-color:#d7e6df}
.secondary:hover:not(:disabled){background:#fff}
/* Debrief — calm density + readable headings */
.debrief-panel{background:#0d1714;border-color:#2a3c35;color:#e8f0ed;padding:clamp(24px,4vw,48px)}
.debrief-panel h2,.debrief-panel h3,.debrief-panel h4{color:#f3f8f6}
.debrief-panel .eyebrow{color:#6fd0a8}
.debrief-heading{border-color:#2a3c35;margin-bottom:18px;padding-bottom:16px}
.debrief-panel .lede{color:#c5d2cd;margin-bottom:0}
.result-section{margin-bottom:16px}
.result-card,.competency-card,.evidence-card,.adaptive-card,.analysis-diagnostics,.coverage-card{background:#121f1b;border-color:#2a3c35;color:#e8f0ed}
.result-kicker{color:#9eb0a9}
.result-card strong,.competency-card h4,.adaptive-card strong,.coverage-card strong{color:#f3f8f6}
.result-card>p:last-child,.competency-card p,.adaptive-card p,.lede,.muted{color:#b7c6c0}
.decision-authorized,.communication-strong,.communication-effective{background:#12261f}
.decision-declined{background:#162028}
.decision-not-finalized,.communication-mixed{background:#241c12}
.communication-needs-development{background:#261614}
.communication-incomplete-evidence{background:#1a1f1d}
.outcome-interpretation{background:#13231e;color:#c5d2cd;border:1px solid #2a3c35;margin-top:12px}
.competency-section,.adaptive-section,.evidence-section{border-color:#2a3c35;margin-top:0;padding-top:10px}
.debrief-grid{border-color:#2a3c35;margin:8px 0;padding:8px 0;gap:22px}
.feedback-list li{color:#c5d2cd}
.evidence-card header,.state-delta,.diagnostic-list{color:#9eb0a9}
.evidence-card blockquote{color:#dce8e3;border-left-color:#57bd98}
.status-demonstrated{background:#1a3a2e;color:#8fd4b8}
.status-development-opportunity{background:#3a2e14;color:#e6c27a}
.status-not-yet-observable{background:#24302c;color:#aebdb7}
.status-potential-concern{background:#3a1f1c;color:#f0a39a}
.debrief-disclosure{margin:12px 0;padding:14px 16px;border:1px solid #2a3c35;border-radius:12px;background:#0f1a17}
.debrief-disclosure>summary{cursor:pointer;font-weight:800;color:#f3f8f6;font-size:1.05rem;line-height:1.3;list-style-position:outside}
.debrief-disclosure>summary::-webkit-details-marker{color:#6fd0a8}
.debrief-disclosure[open]>summary{margin-bottom:12px}
.analysis-diagnostics{background:#0f1a17;border-color:#2a3c35;margin-top:14px}
.analysis-diagnostics summary{color:#8fd4b8}
.coverage-card span{color:#9eb0a9}
@media(max-width:900px){
  .workspace{grid-template-columns:260px minmax(0,1fr)}
  .portrait-frame.portrait-prominent,.portrait-prominent{width:min(100%,180px);max-height:min(180px,28vh)}
}
@media(max-width:760px){
  body.live-sim{overflow:auto}
  body.live-sim .shell{height:auto;max-height:none;overflow:visible}
  .workspace{grid-template-columns:1fr;grid-template-rows:auto auto minmax(420px,70vh);height:auto;max-height:none;overflow:visible}
  .live-appbar{flex-direction:column;align-items:stretch}
  .appbar-actions{justify-content:space-between}
  .brief-panel{min-height:auto;height:auto;overflow:visible}
  .portrait-frame.portrait-prominent,.portrait-prominent{width:min(100%,200px);max-height:200px}
  .scenario-brief-scroll{max-height:9rem}
  .conversation-panel{min-height:420px;height:70vh}
  .brand-group{flex-wrap:wrap}
  .start-panel{min-height:auto;padding:clamp(28px,6vw,48px)}
}