:root{color-scheme:dark;--bg:#0a1b29;--bg2:#102737;--fg:#f0eee5;--muted:#9cb3bc;--gold:#e6c58c;--line:#294654;--green:#a7d5bb;--cyan:#8dd6dd;--maxw:1480px;--acc:#e6c58c;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 70% 25%,#133544 0,transparent 50%),var(--bg);color:var(--fg);min-width:320px}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:1px solid var(--line);background:#142d3c;border-radius:10px;min-height:44px;padding:10px 15px;transition:background .16s,border-color .16s,transform .16s}button:hover{background:#203e4c;border-color:#638b91}button:active{transform:translateY(1px)}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid var(--gold);outline-offset:4px}a{color:var(--gold);text-underline-offset:4px}[hidden]{display:none!important}p{line-height:1.6}b{font-weight:600}h1,h2,h3,p{margin-top:0}.topbar{max-width:var(--maxw);margin:auto;display:flex;align-items:center;padding:25px 42px 20px;gap:27px;border-bottom:1px solid var(--line);padding-top:max(25px,env(safe-area-inset-top))}.wordmark{padding:0;background:none!important;border:0;display:flex;gap:12px;align-items:center;color:var(--gold);font-family:Georgia,serif;font-size:19px;letter-spacing:.13em;text-align:left}.wordmark svg{width:45px;height:45px;fill:none;stroke:currentColor;stroke-width:1.15}.wordmark-sub{display:block;font:10px system-ui;letter-spacing:.55em;margin-top:4px}.academy-label{font-size:9px;letter-spacing:.18em;color:var(--muted);white-space:nowrap}.academy-label span{margin:0 8px;color:#5b737c}.topbar nav{display:flex;gap:4px;margin-left:auto;align-items:center}.quiet{background:none;border-color:transparent;font-size:12px;color:#b3c6cb}.quiet:hover{background:#193644;border-color:var(--line)}.quiet span{color:var(--gold);margin-left:7px}.icon-button{width:44px;padding:0;background:none;border-color:var(--line);border-radius:50%}main{max-width:var(--maxw);margin:auto;padding:0 42px}.expedition-layout{display:grid;grid-template-columns:325px minmax(0,1fr);gap:35px;padding:36px 0 24px}.chartroom{padding-top:7px;z-index:1}.eyebrow{color:var(--gold);font-size:9px;font-weight:650;letter-spacing:.19em;display:flex;align-items:center;gap:9px;margin-bottom:16px}.tiny-line{height:1px;width:23px;background:var(--gold)}h1{font:normal clamp(40px,4.6vw,63px)/1.03 Georgia,"Times New Roman",serif;letter-spacing:-.035em;margin-bottom:18px}h1 em{font-weight:normal;color:var(--gold)}.hero-text{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:24px}.mentor{display:flex;gap:12px;align-items:center;margin:0 0 22px}.mentor-mark{width:36px;height:36px;display:grid;place-items:center;font-size:24px;color:var(--gold);border:1px solid #577474;border-radius:50%;flex:none}.mentor p{font-size:11px;line-height:1.6;color:var(--muted);margin:0}.mentor b{color:#d6e2df}.mission-card{border:1px solid #526362;border-radius:14px;background:linear-gradient(135deg,rgba(75,91,84,.24),rgba(21,47,61,.5));padding:20px;position:relative;min-height:183px}.mission-card .eyebrow{margin-bottom:10px}.mission-card h2{font:normal 24px/1.22 Georgia,serif;letter-spacing:-.015em;margin-bottom:9px}.mission-card p{font-size:12px;color:#b6c7cb;margin-bottom:16px}.mission-card .primary{width:100%}.primary{color:#152a31;background:var(--gold);border-color:var(--gold);font-weight:650;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:18px}.primary:hover{background:#f7dba7;border-color:#f7dba7}.mission-card .secondary-row{display:flex;gap:8px;justify-content:space-between;margin-top:10px}.mission-card .secondary-row button{flex:1;font-size:11px}.journal-progress{margin:22px 0 0;display:grid;grid-template-columns:1fr auto;gap:9px;font-size:10px;color:var(--muted)}#starCount{color:var(--gold);font-size:12px;font-variant-numeric:tabular-nums}.progress-track{height:3px;background:#233d49;grid-column:1/-1;border-radius:4px}.progress-track>div{height:100%;background:var(--gold);transition:width .5s}.journal-progress small{font-size:9px;grid-column:1/-1;letter-spacing:.015em}.globe-stage{position:relative;min-width:0;display:flex;flex-direction:column;justify-content:center}.stage-top{display:flex;gap:7px;align-items:center;font-size:9px;letter-spacing:.15em;color:var(--muted);height:40px;flex:none}.live-dot{height:5px;width:5px;background:var(--green);border-radius:50%;box-shadow:0 0 8px #91c6a8}.view-switch{display:flex;margin-left:auto;border:1px solid var(--line);border-radius:9px;padding:3px;gap:3px}.view-switch button{background:none;border:0;min-height:33px;padding:8px 17px;font-size:10px;color:var(--muted);border-radius:6px}.view-switch .active{background:#294552;color:var(--fg)}.globe-wrap{position:relative;width:100%;height:450px;flex:1;min-height:350px}#globe{display:block;width:100%;height:100%;touch-action:none;cursor:grab}#globe:active{cursor:grabbing}.compass-n{position:absolute;left:50%;top:8px;transform:translateX(-50%);font-size:9px;letter-spacing:.1em;color:var(--gold);display:flex;flex-direction:column;align-items:center;gap:5px;pointer-events:none}.compass-n span{font-size:17px;font-weight:200}.map-toolbar{position:absolute;right:0;top:65px;display:flex;flex-direction:column;gap:6px;align-items:flex-end}.map-toolbar>.quiet{font-size:10px;background:#0f2938d9;border:1px solid var(--line);padding:8px 11px}.zoom-controls{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#102b3b}.zoom-controls button{border:0;border-radius:0;background:transparent;font-size:19px;width:44px;padding:4px}.zoom-controls button+button{border-top:1px solid var(--line)}.direction-controls{position:absolute;left:0;bottom:55px;display:flex;align-items:center;flex-direction:column;gap:1px;opacity:.7}.direction-controls button{height:44px;width:44px;padding:0;background:#102a3899;border-color:#365462;font-size:15px;border-radius:8px}.direction-controls>div{display:flex;gap:1px}.direction-controls:hover,.direction-controls:focus-within{opacity:1}.stage-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#88a5ae;font-size:9px;padding-top:12px;flex-wrap:wrap;font-variant-numeric:tabular-nums}#coordinates{color:#bed4d7;font:10px ui-monospace,monospace}#mapTip span{color:#4a6570;padding:0 5px}.scale-key{display:flex;gap:7px;align-items:center;font-size:8px}.scale-key i{width:16px;height:1px;background:var(--gold)}.station-section{padding:20px 0 0;border-top:1px solid var(--line)}.station-heading{display:flex;align-items:center;gap:18px;margin-bottom:13px}.station-heading h2{font:normal 21px Georgia,serif;margin:0}.station-heading>span{font-size:10px;color:var(--muted)}.station-heading button{margin-left:auto}.station-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:9px}.station{padding:14px 12px;text-align:left;border-radius:10px;min-width:0;background:#102634;position:relative;min-height:116px}.station.current{border-color:#a38e64;background:linear-gradient(140deg,#294039,#182f3c)}.station.locked{background:#0c202e;border-color:#263e4c;color:#8ca3ad}.station-icon{font-size:22px;color:#b6cbd0;display:block;height:33px}.station.current .station-icon{color:var(--gold)}.station-number{position:absolute;right:11px;top:15px;font-size:9px;color:#7a949d}.station-name{display:block;font-size:10px;line-height:1.5;font-weight:500;min-height:30px}.station-stars{font-size:9px;letter-spacing:2px;color:#6e8892;display:block;margin-top:10px}.station-stars .earned{color:var(--gold)}footer{display:flex;align-items:center;gap:24px;color:#73909b;padding:24px 0 70px;font-size:9px}footer a{color:#9fb8c0;text-decoration:none}footer>span{margin-left:auto}.text-button{border:0;padding:0;background:none;font-size:inherit;color:inherit}.overlay{position:fixed;inset:0;z-index:1000;background:#04101bb8;backdrop-filter:blur(8px);display:flex;align-items:safe center;justify-content:safe center;overflow-y:auto;padding:max(24px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) max(70px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}.sheet{position:relative;width:min(660px,100%);border:1px solid #52717d;background:linear-gradient(140deg,#173342,#0d2332);border-radius:20px;padding:32px;box-shadow:0 35px 100px #0008;max-height:calc(100dvh - 100px);overflow:auto}.sheet h2{font:normal 32px Georgia,serif;color:var(--fg);margin-right:30px}.sheet h3{font:normal 22px Georgia,serif;margin:25px 0 12px}.sheet p{font-size:14px;color:#bed0d4}.sheet-close{position:absolute;top:12px;right:12px;background:none;border:0;font-size:25px;padding:0;width:44px;color:var(--muted)}.sheet .primary{min-width:140px}.sheet .eyebrow{margin-top:8px}.sheet label{display:block;color:#c3d6da;font-size:13px;margin:15px 0 7px}.sheet input,.sheet select{width:100%;background:#0b2230;border:1px solid #5d7d86;border-radius:8px;color:var(--fg);min-height:46px;padding:12px}.sheet .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.band-options{display:grid;gap:10px}.band-option{text-align:left;padding:18px;display:grid;grid-template-columns:1fr auto;gap:7px}.band-option span{color:var(--gold);font-weight:600}.band-option small{color:var(--muted)}.band-option p{margin:0;grid-column:1/-1;font-size:12px}.band-option.active{border-color:var(--gold)}.report{width:100%;border-collapse:collapse;font-size:12px}.report th{text-align:left;font-size:10px;letter-spacing:.07em;color:var(--muted);padding:10px 5px}.report td{border-top:1px solid var(--line);padding:12px 5px}.report td:last-child{color:var(--gold);white-space:nowrap}.sheet .small{font-size:11px}.badge-list{display:flex;gap:10px;flex-wrap:wrap}.badge{border:1px solid #56746e;border-radius:50px;padding:10px 15px;color:var(--gold);font-size:12px}.results{max-height:340px;overflow:auto;display:grid;gap:6px;margin-top:12px}.results button{display:flex;align-items:center;text-align:left;gap:10px}.results button small{margin-left:auto;color:var(--muted)}.notice{background:#3e3c2b;border:1px solid #8d8056;color:#f0dcb6;border-radius:8px;padding:10px 14px;font-size:12px;margin-top:15px}.map-loading{position:absolute;inset:0;display:grid;place-content:center;text-align:center;gap:20px;color:var(--gold);background:#0d2533cc;font-size:12px}.loading-ring{width:50px;height:50px;border:1px solid #718c88;border-top:2px solid var(--gold);border-radius:50%;margin:auto;animation:spin 1.6s linear infinite}.map-toast{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);padding:10px 15px;border-radius:10px;background:#0a1d2ded;border:1px solid #53737b;font-size:12px;max-width:85%;text-align:center;pointer-events:none}.question-count{display:flex;justify-content:space-between;font-size:9px;color:var(--gold);letter-spacing:.09em;margin-bottom:12px}.question-choices{display:grid;gap:7px}.question-choices button{font-size:12px;text-align:left;line-height:1.4}.question-choices .correct{border-color:var(--green);color:var(--green);background:#2a4c43}.feedback{border-left:2px solid var(--gold);padding:10px 0 10px 12px;margin:12px 0}.feedback p{margin:0!important;font-size:12px;color:#dfdfcc!important}.feedback.good{border-color:var(--green)}.feedback .distance{display:block;font-size:20px;color:var(--gold);font-family:Georgia,serif;margin-bottom:6px}.drop-chip{border:1px dashed var(--gold);color:var(--gold);background:#2b403c;width:100%;touch-action:none;font-size:12px;margin:5px 0 10px}.drop-chip.dragging{box-shadow:0 0 20px #e6c58c55}.star-celebration{position:fixed;left:50%;top:40%;z-index:1100;pointer-events:none;font-size:140px;color:var(--gold);text-shadow:0 0 100px #e6c58c99;animation:star-rise 1.3s ease-out forwards}.star-row{font-size:36px;color:var(--gold);letter-spacing:8px;margin:20px 0}.chartroom.playing #heroTitle{font-size:36px}.chartroom.playing .hero-text{display:none}.chartroom.playing .mentor{margin-bottom:14px}.chartroom.playing .mission-card{padding:18px}.chartroom.playing .mission-card h2{font:normal 21px/1.3 Georgia,serif}.chartroom.playing .mission-card p{line-height:1.5}.chartroom.playing .journal-progress{margin-top:14px}.temp-meter{display:flex;flex-direction:column;gap:6px;margin:8px 0;font-size:10px}.temp-meter .hot{color:#ffb399}.temp-meter .cold{color:#94cdef}.scale-demo{display:flex;gap:15px;align-items:end;justify-content:center;min-height:95px;margin:12px 0}.scale-demo div{text-align:center;font-size:9px;color:var(--muted)}.scale-demo i{display:block;background:#7bb5a5;border:1px solid #c6e8c6;margin:0 auto 7px;border-radius:3px}.no-script{padding:40px;background:#2a3530;color:var(--gold)}#autotest:not([hidden]){position:fixed;left:10px;bottom:60px;background:#143b2d;color:#ceffdb;border:1px solid #7cae8e;border-radius:10px;padding:16px;z-index:100000;font:12px monospace;max-width:90vw}.link-row{display:flex;gap:15px;font-size:12px}.check-row{display:flex;gap:10px;align-items:center}.check-row input{width:22px;min-height:22px}.check-row label{margin:0;flex:1}@keyframes spin{to{transform:rotate(360deg)}}@keyframes star-rise{0%{transform:translate(-50%,-20%) scale(.3);opacity:0}25%{opacity:1;transform:translate(-50%,-50%) scale(1.05)}65%{opacity:1}100%{transform:translate(-50%,-75%) scale(.85);opacity:0}}
@media(min-width:1500px){.globe-wrap{height:540px}.expedition-layout{grid-template-columns:365px minmax(0,1fr)}}
@media(max-width:1100px){.topbar{padding:22px 28px;gap:15px}.academy-label{display:none}main{padding:0 28px}.expedition-layout{grid-template-columns:295px minmax(0,1fr);gap:20px}.globe-wrap{min-height:400px}.scale-key{display:none}.station{padding:12px 8px}.station-name{font-size:9px}.station-number{right:7px}.station-heading>span{font-size:9px}.direction-controls{transform:scale(.9);transform-origin:left bottom}.map-toolbar>.quiet{max-width:90px}.map-toolbar{top:68px}}
@media(max-width:800px){.topbar{padding:18px 20px;flex-wrap:wrap}.topbar nav{gap:0}.topbar nav .quiet{padding:8px 10px;font-size:11px}.wordmark{font-size:16px}.wordmark svg{width:36px;height:36px}.wordmark-sub{font-size:8px}main{padding:0 22px}.expedition-layout{grid-template-columns:255px minmax(0,1fr);gap:14px;padding-top:26px}h1{font-size:43px}.globe-wrap{height:430px;min-height:350px}.hero-text{font-size:12px}.mission-card{padding:16px}.mission-card h2{font-size:22px}.map-toolbar{top:auto;bottom:45px;right:0;flex-direction:row;gap:3px;align-items:center;flex-wrap:wrap;max-width:160px;justify-content:end}.map-toolbar .quiet{font-size:9px;padding:6px;min-height:44px}.zoom-controls{flex-direction:row}.zoom-controls button+button{border-top:0;border-left:1px solid var(--line)}.direction-controls{bottom:120px;left:0;transform:scale(.83)}.stage-bottom{font-size:8px}.view-switch button{padding:8px 11px}.station-grid{grid-template-columns:repeat(4,1fr)}.station{min-height:105px}.station-name{font-size:11px;min-height:30px}.station-icon{height:27px}.station-stars{margin-top:6px}.station-heading>span{display:none}.chartroom.playing #heroTitle{font-size:30px}}
@media(max-width:620px){.topbar{padding:16px 18px 12px;gap:12px}.topbar nav{width:100%;justify-content:space-between}.topbar .wordmark{margin:auto}.topbar nav .quiet{font-size:11px}.expedition-layout{display:flex;flex-direction:column;gap:0;padding-top:20px}.chartroom{display:contents}.chartroom>.eyebrow,.chartroom>h1,.chartroom>.hero-text,.chartroom>.mentor{order:0;text-align:center}.chartroom>.eyebrow{justify-content:center;font-size:8px;margin:0 0 9px}.chartroom>h1{font-size:42px;line-height:1.06;margin-bottom:10px}.chartroom>h1 br{display:none}.chartroom>.hero-text{font-size:12px;margin-bottom:5px}.hero-text br{display:none}.chartroom>.mentor{display:none}.globe-stage{order:1}.globe-wrap{height:360px;min-height:360px}.stage-top{font-size:8px}.map-toolbar{bottom:46px;max-width:125px;gap:3px}.map-toolbar>.quiet{font-size:8px}.map-toolbar .zoom-controls button{width:44px}.direction-controls{transform:scale(.85);bottom:60px;left:-5px}.stage-bottom{padding-top:8px;font-size:8px}.stage-bottom #mapTip{font-size:8px}#coordinates{font-size:8px}.view-switch button{font-size:9px;min-height:36px}.mission-card{order:2;margin-top:22px;padding:20px;min-height:0}.mission-card h2{font-size:24px}.mission-card .eyebrow{font-size:9px}.mission-card p{font-size:13px}.journal-progress{order:3;margin:18px 0 5px}.station-section{padding-top:17px}.station-heading h2{font-size:21px}.station-heading .quiet{font-size:11px}.station-grid{grid-template-columns:repeat(2,1fr);gap:8px}.station{min-height:109px;padding:13px 16px}.station-name{font-size:11px}.station-number{right:14px}.station-stars{font-size:10px}.station-icon{position:absolute;right:16px;top:39px;font-size:28px;opacity:.6}.station-name{max-width:75%;margin-top:19px}.station-number{left:16px;right:auto;top:12px}.station-heading{gap:8px;margin-bottom:8px}footer{font-size:9px;gap:10px;flex-wrap:wrap;padding-bottom:80px}footer>span{font-size:8px;margin-left:auto}.sheet{padding:25px 22px;max-height:calc(100dvh - 85px)}.sheet h2{font-size:29px}.sheet p{font-size:13px}.report{font-size:11px}.chartroom.playing>h1{font-size:29px!important;margin-bottom:8px}.chartroom.playing>.eyebrow{display:none}.chartroom.playing .mission-card{margin-top:14px}.chartroom.playing~.globe-stage .globe-wrap{height:320px;min-height:320px}.question-choices{grid-template-columns:1fr 1fr}.question-choices button{font-size:12px;min-height:52px}.question-choices.vertical{grid-template-columns:1fr}.question-count{font-size:10px}.scale-demo{margin:10px 0}.compass-n{top:6px}}
@media(prefers-reduced-motion:reduce){html:not([data-motion=on]) *,html:not([data-motion=on]) *::before,html:not([data-motion=on]) *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}html[data-motion=off] *,html[data-motion=off] *::before{animation:none!important;transition:none!important}
/* Compact, honest projection comparison; equal-area baseline stays visible. */
.scale-demo{min-height:50px;gap:22px;margin:10px 0 14px}.scale-demo div{line-height:1.3;max-width:105px}.sheet details{border-top:1px solid var(--line);padding:12px 0}.sheet summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:13px;color:var(--gold)}
@media(max-width:620px){.globe-stage .map-toolbar .quiet{font-size:10px}.stage-top{margin-top:6px}}
/* Touch targets and reading comfort are retained in every viewport. */
.view-switch button{min-height:44px}.stage-top{height:54px}.mission-card p{font-size:13px}.mentor p{font-size:12px}.check-row{min-height:48px}.check-row label{min-height:44px;display:flex;align-items:center}.station-name{font-size:11px}.station-heading>span{font-size:11px}.direction-controls{opacity:.85}
@media(max-width:800px){.station-name{font-size:11px}}@media(max-width:620px){.view-switch button{min-height:44px}.mission-card p{font-size:14px}}
/* M1.1: the lesson owns a viewport, and canvas size never depends on its bitmap. */
.globe-wrap{flex:none;min-width:0;overflow:hidden}
#globe{position:absolute;inset:0}
.direction-controls{transform:none}
.overlay{width:100%;height:100%;max-width:none;max-height:none;margin:0;border:0;color:var(--fg)}
.overlay::backdrop{background:transparent}
.sheet{overscroll-behavior:contain}
.question-title{display:flex;align-items:start;gap:12px;justify-content:space-between}
.question-title h2{flex:1}
.hear-button{font-size:11px;flex:none;min-width:90px}
#feedback>.primary{margin-left:8px}
.answered .answer-tools,.answered .question-title .hear-button,.answered #hintButton{display:none}
.answer-tools p:empty{display:none}
.feedback b{color:var(--fg)}
.lesson{height:100dvh;overflow:hidden}
.lesson .topbar{height:64px;padding:8px 20px;flex-wrap:nowrap;gap:12px}
.lesson .academy-label{display:none}
.lesson .topbar nav{width:auto;margin-left:auto;gap:0}
.lesson .topbar .wordmark{margin:0}
.lesson main{height:calc(100dvh - 64px);padding:0 20px 12px}
.lesson .expedition-layout{height:100%;padding:0;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:50dvh minmax(0,1fr);gap:8px;max-width:760px;margin:auto}
.lesson .chartroom{display:contents}
.lesson .chartroom>:not(.mission-card),.lesson .station-section,.lesson footer{display:none!important}
.lesson .globe-stage{grid-row:1;width:100%;height:100%;min-height:0;justify-content:start}
.lesson .stage-top{height:52px;margin:0}
.lesson .globe-stage .globe-wrap{height:calc(100% - 72px);min-height:0;flex:none}
.lesson .stage-bottom{height:20px;padding:0}
.lesson .map-toolbar{top:65px;bottom:auto;right:0;max-width:none;flex-direction:column;gap:4px}
.lesson .map-toolbar>.quiet{font-size:11px;max-width:none}
.lesson .zoom-controls{flex-direction:row}
.lesson .zoom-controls button+button{border-top:0;border-left:1px solid var(--line)}
.lesson .direction-controls{bottom:25px;left:0;transform:none}
.lesson .chartroom .mission-card{grid-row:2;min-height:0;margin:0;padding:12px 16px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.lesson .mission-card h2{font:normal 21px/1.2 Georgia,serif;margin:0 0 8px}
.lesson .mission-card p{margin-bottom:8px;font-size:13px;line-height:1.4}
.lesson .question-count{margin-bottom:8px;font-size:10px}
.lesson .question-choices{grid-template-columns:1fr 1fr;gap:6px}
.lesson .question-choices.vertical{grid-template-columns:1fr}
.lesson .question-choices button{min-height:44px;padding:8px 12px}
.lesson .secondary-row{margin-top:8px}
.lesson .feedback{margin:4px 0 8px;padding:6px 0 6px 10px}
.lesson .feedback .distance{font-size:18px;margin-bottom:4px}
.lesson .drop-chip{width:auto;margin:0 8px 4px 0;min-height:44px}
.lesson .answer-tools>.small{display:inline;font-size:11px}
.lesson .star-row{margin:8px 0;font-size:30px}
.lesson .scale-demo{display:inline-flex;width:48%;vertical-align:bottom;margin:0 0 6px;gap:12px}
.lesson #storageNotice:not([hidden]){position:fixed;top:64px;left:20px;right:20px;z-index:5;margin:0}
@media(max-width:620px){
 .lesson .topbar{padding:6px 10px;gap:4px}
 .lesson .wordmark>span{display:none}
 .lesson .wordmark svg{width:36px;height:36px}
 .lesson .topbar nav .quiet{padding:8px;font-size:10px}
 .lesson main{padding:0 10px 10px}
 .lesson .expedition-layout{gap:6px}
 .lesson .chartroom .mission-card{padding:10px 12px}
 .lesson .mission-card h2{font-size:19px}
 .lesson .map-toolbar>.quiet{font-size:10px;padding:8px}
 .lesson .direction-controls>div{gap:0}
 .lesson .stage-bottom #mapTip{max-width:62%;text-align:right}
 .question-title{gap:8px}
 .hear-button{min-width:80px;padding:8px;font-size:10px}
}
@media(max-height:650px){.lesson .expedition-layout{grid-template-columns:minmax(0,1fr) minmax(290px,1fr);grid-template-rows:minmax(0,1fr);max-width:none}.lesson .chartroom .mission-card{grid-column:2;grid-row:1}.lesson .globe-stage{grid-column:1}.lesson .map-toolbar{flex-direction:row;flex-wrap:wrap;top:auto;bottom:22px;max-width:185px}.lesson .direction-controls{bottom:115px}}
/* An explicit motion preference wins over the device default. */
html[data-motion=off] *,html[data-motion=off] *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
.lesson .globe-stage{max-width:calc(50dvh + 80px);justify-self:center}
@media(max-height:650px){.lesson .globe-stage{max-width:none}}
footer a,.link-row a{display:inline-flex;align-items:center;min-height:44px}
button{min-width:44px}