@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;650;700&display=swap');

:root{--paper:#171d20;--white:#222b2e;--ink:#e9eee8;--muted:#a5b1b2;--line:#3b474b;--accent:#e1ed77;--body:'Public Sans',Arial,sans-serif;--mono:var(--body);--display:var(--body)}

*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 var(--body);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;touch-action:manipulation;min-height:44px}
button:disabled{cursor:default;opacity:.45}
button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}
a{color:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
h1,h2,h3,p{margin-top:0}
p{line-height:1.65}
h1,h2,h3{text-wrap:balance}
button:active:not(:disabled){transform:translateY(1px)}
.skip-link{position:fixed;top:-100px;left:20px;z-index:20;padding:12px 20px;background:var(--white)}
.skip-link:focus{top:10px}

.topbar{max-width:1600px;margin:auto;min-height:106px;padding:20px 48px;display:flex;align-items:center;gap:48px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;font-size:19px;font-weight:650;letter-spacing:-.6px;white-space:nowrap}
.brand b{font-weight:400}
.brand small{display:block;margin-top:1px;font-size:12px;font-weight:400;letter-spacing:0;color:var(--muted)}
.brandmark{background:var(--accent);color:#171d20;display:grid;place-items:center;width:46px;height:50px;font-size:21px;font-weight:700;letter-spacing:-1px}
.navigation{display:flex;align-items:center;gap:28px;margin-left:auto;align-self:stretch}
.nav-item{position:relative;padding:8px 0;background:none;font-size:14px;color:var(--muted);display:flex;gap:8px;align-items:center}
.nav-item.selected{color:var(--ink);font-weight:600}
.nav-item.selected:after{content:'';position:absolute;bottom:-21px;height:3px;background:var(--ink);left:0;right:0}
.nav-item b{background:#303d41;padding:1px 7px;font-size:11px;font-weight:500;font-variant-numeric:tabular-nums}
.team-button{padding:9px 16px;background:#303d41;font-size:13px;font-weight:500;max-width:220px;overflow-wrap:anywhere}
.team-button:hover{background:#415156}

.workspace{max-width:1600px;margin:auto;display:grid;grid-template-columns:minmax(0,1fr) 298px;gap:52px;padding:44px 48px 64px;min-height:calc(100dvh - 170px)}
main{min-width:0}
h1{font-size:clamp(32px,3.3vw,48px);line-height:1.1;font-weight:600;letter-spacing:-1.7px;margin-bottom:17px}
h1 em{font-style:normal}
.heading-row{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:25px}
.intro-copy{font-size:15px;color:var(--muted);max-width:62ch;margin-bottom:24px}
.heading-row .intro-copy{margin:0}
.progress-ring{flex-shrink:0;text-align:right;font-variant-numeric:tabular-nums}
.progress-ring b{display:block;font-size:30px;font-weight:500;letter-spacing:-1px;line-height:1.3}
.progress-ring b span{color:#888d85}
.progress-ring small{display:block;font-size:11px;color:var(--muted);margin-top:3px}

.map{height:420px;position:relative;background:#edeFE9;overflow:hidden}
.map svg{position:absolute;inset:0;width:100%;height:100%}
.map-caption{position:absolute;top:22px;left:24px;font-size:17px;font-weight:600;letter-spacing:-.5px}
.map-compass{position:absolute;right:24px;top:19px;text-align:center;font-size:12px;line-height:1.5}
.map-scale,.map-disclaimer{position:absolute;bottom:16px;font-size:10px;color:var(--muted)}
.map-scale{left:24px}
.map-disclaimer{right:24px}
.map-point{position:absolute;transform:translate(-50%,-50%);display:flex;align-items:center;gap:0;background:none;padding:5px;text-align:left;z-index:1;min-height:48px}
.map-point:active:not(:disabled){transform:translate(-50%,-50%)}
.pin{display:grid;place-items:center;flex-shrink:0;width:37px;height:43px;background:var(--ink);color:#fff;font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}
.main-point .pin{background:var(--accent)}
.map-label{background:var(--white);padding:7px 10px;font-size:12px;font-weight:600;line-height:1.25;white-space:nowrap}
.map-label small{display:block;font-size:9px;font-weight:400;margin-top:4px;color:var(--muted)}
.map-point:hover .map-label,.map-point:focus-visible .map-label{background:var(--ink);color:var(--white)}
.map-point:hover small,.map-point:focus-visible small{color:#e2e5dd}
.map-legend{display:flex;gap:20px;align-items:center;padding:13px 0;font-size:11px;color:var(--muted)}
.map-legend span:last-child{margin-left:auto}
.legend-square{display:inline-block;width:7px;height:7px;background:var(--accent);margin-right:6px}
.legend-square.gray{background:var(--ink)}

.section-label{display:flex;justify-content:space-between;gap:15px;align-items:baseline;margin:29px 0 14px}
.section-label h2{font-size:21px;font-weight:600;letter-spacing:-.5px;margin:0}
.section-label small{font-size:11px;color:var(--muted)}
.station-grid{border-top:1px solid var(--line)}
.station-card{display:grid;grid-template-columns:40px minmax(0,1fr) auto 20px;gap:14px;align-items:center;width:100%;min-height:79px;padding:13px 8px;background:none;text-align:left;border-bottom:1px solid var(--line)}
.station-card:hover{background:#293438}
.station-index{font-size:14px;font-variant-numeric:tabular-nums;color:var(--muted)}
.station-name strong{display:block;font-size:15px;font-weight:600}
.station-name>span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.station-status{font-size:11px;color:var(--muted)}
.station-card:first-child .station-index,.station-card:first-child .station-status{color:var(--accent)}
.station-card .arrow{font-size:20px}
.station-card:first-child .arrow{color:var(--accent)}

.receiver{align-self:start;padding-top:7px}
.receiver-heading{font-size:20px;font-weight:600;letter-spacing:-.5px;display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}
.receiver-heading>span{font-size:12px;color:var(--muted);font-weight:400;font-variant-numeric:tabular-nums}
.receiver-screen{background:#293438;padding:23px}
.receiver-status{font-size:11px;color:var(--accent);font-weight:500}
.sender{display:flex;align-items:center;gap:11px;margin:22px 0 17px}
.sender-avatar{width:34px;height:38px;flex-shrink:0;background:#dce0d6;display:grid;place-items:center;font-size:12px;font-weight:600}
.receiver h2{font-size:14px;font-weight:600;letter-spacing:-.25px;margin:0 0 2px}
.sender-role{font-size:10px;line-height:1.5;margin:0;color:var(--muted)}
.message-subject{font-size:17px;line-height:1.55;letter-spacing:-.35px;margin-bottom:23px}
.message-button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:var(--ink);color:var(--white);font-size:12px;font-weight:500}
.message-button:hover{background:#d5e275}
.history{padding:27px 0 0}
.history h3{font-size:12px;font-weight:500;color:var(--muted);margin-bottom:7px}
.history-item{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;gap:12px;padding:14px 0;background:none;border-bottom:1px solid var(--line);font-size:12px;line-height:1.5}
.history-item:hover{color:var(--accent)}
.history-item small{display:block;font-size:10px;color:var(--muted);margin-top:5px}
.nora-note{margin-top:31px;padding-left:16px;border-left:2px solid #bec4b8}
.eyebrow{font-size:12px;font-weight:500;letter-spacing:0;line-height:1.6}
.nora-note p{font-size:12px;color:var(--muted);margin:10px 0}
.system-status{font-size:10px;color:var(--accent)}
.nav-bottom{margin-top:37px}
.nav-bottom p{font-size:11px;max-width:30ch;color:var(--muted);margin-bottom:6px}
.text-button{background:none;padding:0;text-align:left;font-size:11px;text-decoration:underline;text-underline-offset:4px}
.footer{width:calc(100% - 96px);max-width:1504px;margin:auto;display:flex;justify-content:space-between;gap:20px;padding:20px 0;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}

.page-meta{display:flex;justify-content:space-between;gap:16px;font-size:11px;color:var(--muted);margin:0 0 18px;flex-wrap:wrap}
.back-button{background:none;padding:0;margin-bottom:23px;font-size:11px}
.primary,.secondary{padding:12px 18px;min-height:46px;font-size:13px;font-weight:500;display:inline-flex;justify-content:center;align-items:center;gap:10px}
.primary{background:var(--ink);color:var(--white)}
.primary:hover{background:#d5e275}
.secondary{background:#303d41}
.secondary:hover{background:#415156}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.stepper{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin:30px 0 25px}
.stepper button{padding:14px 12px;text-align:left;font-size:12px;color:var(--muted);background:#293438;border-bottom:2px solid transparent}
.stepper button.active{border-color:var(--accent);color:var(--ink);background:#39484b}
.stepper small{font-size:10px;display:block;margin-bottom:5px;font-variant-numeric:tabular-nums}
.panel{background:#222b2e;padding:30px;margin-bottom:20px}
.panel h2{font-size:27px;font-weight:500;letter-spacing:-.7px;line-height:1.2;margin:8px 0 17px}
.panel h3{font-size:16px}
.panel p{font-size:15px;max-width:65ch}
.panel .eyebrow{color:var(--muted);font-size:11px}
.briefing-number{float:right;font-size:44px;font-weight:500;line-height:1;color:#a9b0a2;margin-left:16px}
.notice{background:#293438;padding:16px 18px;font-size:13px;line-height:1.65;margin:20px 0}
.notice p{font-size:13px}
.brief-list{padding-left:20px;line-height:1.8;font-size:14px}
.brief-list li{padding:5px 0}
.reference{margin:18px 0;background:#293438}
.reference summary{padding:15px 18px;min-height:48px;font-size:13px;cursor:pointer}
.reference-content{padding:0 18px 18px}
.reference-content p{font-size:13px;margin:12px 0}
.assignment{padding:22px 0;border-bottom:1px solid var(--line)}
.assignment label{font-size:11px;color:var(--muted);margin:0 0 10px}
.assignment blockquote{font-size:16px;line-height:1.6;margin:0 0 15px}
.answer-feedback{padding-top:10px;font-size:12px;line-height:1.6}
.answer-feedback.correct{color:#d4e78f}
.answer-feedback.wrong{color:var(--accent)}
input,select,textarea{border:1px solid #617376;background:#222b2e;padding:12px;width:100%;font-size:16px;min-height:46px;border-radius:0}
textarea{resize:vertical;min-height:100px}
label{display:block;font-size:13px;margin:17px 0 8px}
.chat-header{display:flex;justify-content:space-between;align-items:center;margin:24px 0 18px}
.chat-header b{font-size:21px;font-weight:600}
.badge,.static-tag{font-size:10px;padding:6px 8px;background:#293438}
.chat-log{max-height:365px;overflow:auto;display:flex;flex-direction:column;gap:14px;padding:0 3px 16px;overscroll-behavior:contain}
.bubble{padding:14px 16px;max-width:90%;font-size:14px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;background:#293438}
.bubble.you{align-self:flex-end;background:#e1ed77;color:#171d20}
.bubble small{display:block;font-size:10px;opacity:.75;margin-bottom:6px}
.chat-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;font-size:11px;flex-wrap:wrap}
.technique-tags{display:flex;gap:7px;flex-wrap:wrap;margin:18px 0}
.technique-tags span{font-size:11px;background:#293438;padding:7px 9px}
.code-display{font-size:72px;font-weight:600;letter-spacing:12px;font-variant-numeric:tabular-nums;margin:20px 0;color:var(--accent)}
.result-card blockquote{font-size:27px;line-height:1.35;letter-spacing:-.6px;margin:20px 0;max-width:30ch}
.empty-state{padding:40px 30px}
.empty-state p{max-width:52ch;color:var(--muted)}
.report-row{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
.report-row b{font-size:14px;font-weight:500}
.report-row small{display:block;font-size:12px;color:var(--muted);margin-top:5px}
.report-row>span{font-size:10px;color:var(--muted)}
.transcript-part{padding:15px 0;border-bottom:1px solid var(--line)}
.transcript-part h3{font-size:12px}
.transcript-part p{margin:5px 0;font-size:13px}
.storage-warning{background:#4a382f;padding:15px;font-size:13px}

dialog{border:0;padding:36px;background:var(--paper);color:var(--ink);width:min(600px,calc(100% - 30px));max-height:90dvh;overflow:auto;box-shadow:0 20px 80px #252c2940}
dialog::backdrop{background:#242b2980}
dialog h2{font-size:34px;font-weight:500;letter-spacing:-1px;line-height:1.15;margin:16px 0 23px}
dialog h3{font-size:16px;margin-top:25px}
dialog p{font-size:14px}
dialog .primary{margin-top:14px}
.close{position:absolute;right:10px;top:8px;width:44px;background:none;font-size:28px}
.message-dialog>.eyebrow{font-size:10px;padding-right:25px}
.video-placeholder{aspect-ratio:16/9;background:#e4e7df;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:9px;position:relative;font-size:12px}
.video-icon{font-size:38px;line-height:1}
.video-placeholder small{font-size:12px}
.placeholder-tag{position:absolute;top:14px;left:14px;font-size:9px;color:var(--muted)}
.form-note{font-size:12px!important;color:var(--muted)}
#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:15px 22px;background:var(--ink);color:#171d20;font-size:13px;z-index:10;max-width:90%;display:none}
#toast.visible{display:block}
.compact-pager{display:none}

@media(min-width:1600px){.map{height:470px}
}

@media(max-width:1200px){.topbar{padding:20px 32px;gap:30px}
.workspace{padding:36px 32px 48px;gap:30px;grid-template-columns:minmax(0,1fr) 264px}
.map{height:380px}
.receiver-screen{padding:20px}
.map-legend{gap:12px;font-size:10px}
.map-legend span:last-child{display:none}
.footer{width:calc(100% - 64px);margin:0 32px}
.map-label{font-size:11px}
.map-label small{font-size:8px}
.pin{width:32px;height:40px}
.station-status{font-size:10px}
.station-card{gap:10px;grid-template-columns:30px minmax(0,1fr) auto 16px}
}

@media(max-width:950px){.topbar{gap:28px;min-height:94px}
.brand{font-size:17px}
.navigation{gap:20px}
.nav-item{font-size:13px}
.nav-item.selected:after{bottom:-21px}
.team-button{max-width:160px;font-size:12px}
.workspace{grid-template-columns:minmax(0,1fr);gap:36px;max-width:800px}
.map{height:430px}
.receiver{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;padding:0}
.receiver-heading{grid-column:1/-1;margin-bottom:18px}
.receiver-screen{grid-column:1;grid-row:2/5}
.history{padding-top:0}
.nora-note{margin-top:20px}
.nav-bottom{margin-top:20px}
.map-legend span:last-child{display:block}
.footer{padding-bottom:90px}
.compact-pager{display:flex;position:fixed;bottom:16px;right:24px;gap:20px;align-items:center;background:var(--ink);color:#171d20;padding:13px 18px;font-size:12px;z-index:5;box-shadow:0 3px 18px #252c2920}
.compact-pager .signal{display:none}
#toast{bottom:80px}
}

@media(max-width:620px){.topbar{padding:20px 20px 0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px 12px}
.brand{font-size:16px;gap:10px;letter-spacing:-.4px}
.brandmark{height:41px;width:37px;font-size:18px}
.brand small{font-size:11px}
.team-button{grid-column:2;grid-row:1;max-width:114px;padding:8px 10px;font-size:11px}
.navigation{grid-column:1/-1;margin:0;gap:28px;min-height:44px}
.nav-item{font-size:13px}
.nav-item.selected:after{bottom:0}
.workspace{padding:29px 20px 38px;gap:32px}
h1{font-size:34px;letter-spacing:-1.2px}
.heading-row{align-items:flex-start;gap:12px;margin-bottom:22px}
.heading-row h1{font-size:31px;margin-bottom:13px}
.heading-row .intro-copy{font-size:13px;max-width:27ch}
.intro-copy{font-size:14px}
.progress-ring{padding-top:4px}
.progress-ring b{font-size:24px}
.progress-ring small{font-size:9px;max-width:60px}
.map{height:370px}
.map-caption{font-size:15px;top:17px;left:16px}
.map-compass{right:16px;top:14px}
.map-point{padding:4px}
.pin{width:29px;height:38px;font-size:11px}
.map-label{padding:7px;font-size:10px}
.map-label small{font-size:7px;margin-top:4px}
.map-scale{left:16px;font-size:9px}
.map-disclaimer{right:16px;font-size:9px}
.map-legend{flex-wrap:wrap;font-size:9px;gap:7px 12px;padding-top:12px}
.map-legend span:last-child{display:none}
.section-label{display:block;margin:25px 0 13px}
.section-label h2{font-size:20px;margin-bottom:5px}
.section-label small{font-size:11px}
.station-card{grid-template-columns:24px minmax(0,1fr) 84px 15px;gap:8px;min-height:78px;padding:12px 0}
.station-index{font-size:12px}
.station-name strong{font-size:14px}
.station-name>span{font-size:11px}
.station-status{font-size:10px}
.receiver{display:block}
.receiver-screen{padding:23px}
.receiver h2{font-size:15px}
.sender-role{font-size:11px}
.history{padding-top:24px}
.nora-note{margin-top:24px}
.nav-bottom{margin-top:23px}
.nav-bottom p{max-width:none}
.footer{width:calc(100% - 40px);margin:0 20px;font-size:10px;padding-bottom:90px}
.compact-pager{left:20px;right:20px;bottom:14px;justify-content:space-between;font-size:12px}
.panel{padding:22px 18px}
.panel h2{font-size:25px}
.panel p{font-size:14px}
.page-meta{font-size:10px;gap:7px}
.stepper{gap:3px}
.stepper button{padding:10px 6px;font-size:10px}
.stepper small{font-size:9px}
.briefing-number{font-size:35px}
.assignment blockquote{font-size:15px}
.result-card blockquote{font-size:24px}
.report-row{align-items:flex-start}
.report-row b{font-size:13px}
.report-row>span{font-size:9px;text-align:right}
.chat-tools .primary{margin-left:auto}
dialog{padding:30px 22px}
dialog h2{font-size:30px}
.video-placeholder small{font-size:10px}
}

@media(prefers-reduced-motion:no-preference){button,a,summary{transition:background-color .18s,color .18s,transform .18s}
}

@media print{.topbar,.receiver,.footer,.actions,.stepper,button,dialog,.skip-link{display:none!important}
.workspace{display:block;padding:0}
main{padding:0}
.panel{border:0;background:none}
body{background:#222b2e}
.reference{display:block}
}