:root{--paper:#f9f4e8;--page:#fffaf0;--cream:#f4ebd6;--ink:#3c1d0c;--brown:#522610;--rust:#80360f;--gold:#a87530;--gold-light:#d7be8e;--line:#dfcda8;--muted:#796550;--soft:#f5eddb;--success:#46614b;--error:#94432b;--ui:Arial,Helvetica,sans-serif;--text:Georgia,"Times New Roman",serif;--shadow:0 8px 28px #5226100b;color:var(--ink);background:var(--paper);font-family:var(--text);font-synthesis:none;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:240px}body{margin:0;font-size:16px;line-height:1.5;background:linear-gradient(#fbf7efeb,#fbf7efeb),url('assets/parchment.png') center top/700px auto repeat}button,input,textarea,select{font:inherit}button,input,select{font-family:var(--ui)}button{cursor:pointer;color:inherit;border:1px solid transparent;background:transparent;font-size:12px;line-height:1.35;transition:background-color .15s,border-color .15s,color .15s}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible,#overview-track:focus-visible,#chart-viewer:focus-visible{outline:3px solid var(--gold);outline-offset:4px}a{color:var(--rust);text-underline-offset:3px}button:hover:not(:disabled){color:var(--rust)}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--brown);line-height:1.16;text-wrap:balance}h1,h2{font-family:var(--text)}h1{font-size:36px;letter-spacing:-.035em}h2{font-size:28px;letter-spacing:-.025em}h3{font-size:19px}p+p{margin-top:13px}strong{font-weight:700}small{font-size:12px}img{max-width:100%}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-90px;left:20px;padding:12px 18px;color:white;background:var(--rust);z-index:1000;font-family:var(--ui);font-size:14px}.skip:focus{top:10px}.eyebrow,.kicker,.section-label{font-family:var(--ui);font-size:10px;font-weight:700;line-height:1.45;text-transform:uppercase;letter-spacing:.14em;color:var(--rust)}.section-label{display:block;margin-bottom:9px}.kicker{display:block;margin-bottom:10px}.text-button{padding:3px 0;font-family:var(--ui);font-size:11px;font-weight:600;color:var(--rust);text-decoration:underline;text-underline-offset:4px}.text-button:hover{text-decoration-thickness:2px}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:25px;max-width:1580px;margin:0 auto;padding:20px 42px 19px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--brown)}.brand-seal{width:48px;height:48px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:url('assets/compass.png') center/contain no-repeat;font-size:0;color:transparent}.brand-seal img{display:block;width:48px;height:48px;object-fit:contain}.brand-name{font-family:var(--text);font-size:25px;font-weight:700;line-height:1.12;letter-spacing:-.035em;display:block}.brand-publisher{display:block;font-family:var(--ui);font-size:9px;font-weight:600;letter-spacing:.19em;text-transform:uppercase;margin-top:6px;color:var(--muted)}.header-actions{display:flex;align-items:center;gap:22px;font-family:var(--ui);font-size:11px}.header-actions>button{padding:8px 0}.header-actions>button+button{border-left:1px solid var(--line);padding-left:22px}.header-actions .edition-tag{font-size:9px}.header-note{font-size:10px;color:var(--muted);letter-spacing:.04em}
.chart-dock{position:sticky;top:0;z-index:50;background:#fcf8eeef;border-top:1px solid var(--line);border-bottom:1px solid #cdb48a;box-shadow:0 5px 15px #5226100c;padding:10px max(24px,calc((100vw - 1480px)/2)) 8px;backdrop-filter:blur(12px)}.overview-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px;font-family:var(--ui);font-size:10px}.overview-meta .eyebrow{font-size:9px;letter-spacing:.16em}#overview-caption{color:var(--muted);font-size:10px;text-align:right}#overview-track{position:relative;width:100%;aspect-ratio:3840/409;background:#e3d0a5;box-shadow:0 0 0 1px #c7ab7c;cursor:crosshair;touch-action:none;overflow:hidden;isolation:isolate}#overview-image{display:block;width:100%;height:100%;object-fit:fill;pointer-events:none;user-select:none}#overview-window{position:absolute;z-index:3;border:2px solid #8c3e19;background:#a8753020;box-shadow:0 0 0 1px #fff1cc80,0 0 0 9999px #2618081c;min-width:3px;min-height:3px;pointer-events:none;will-change:left,top,width,height}#overview-window:after{content:"";position:absolute;left:50%;bottom:-2px;width:5px;height:5px;transform:translate(-50%,50%) rotate(45deg);background:var(--rust)}#overview-cursor{position:absolute;top:0;bottom:0;width:1px;background:#fff4d8b3;pointer-events:none}.overview-footer{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:7px;font-family:var(--ui);font-size:9px;color:var(--muted);line-height:1.3}.overview-footer button{font-size:9px;padding:0}.overview-footer strong{font-weight:600;color:var(--rust)}
.workspace{max-width:1564px;margin:0 auto;padding:29px 42px 20px}.workspace-title{display:flex;justify-content:space-between;align-items:center;gap:28px;margin-bottom:22px}.workspace-title h1{margin:5px 0 9px}.workspace-title p,.workspace-title .subtitle{font-size:14px;color:var(--muted);line-height:1.6;max-width:750px}.edition-tag{display:inline-block;font-family:var(--ui);font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);padding:7px 10px;white-space:nowrap}.viewer-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:28px;align-items:start}.map-column,.study-column{min-width:0}.map-frame{border:1px solid #c6aa7c;background:#e6d8ba;box-shadow:var(--shadow)}.map-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:11px 14px;background:#faf4e5;border-bottom:1px solid #cfb990;min-height:50px}.map-toolbar .eyebrow{font-size:9px;color:var(--brown);letter-spacing:.13em}.viewer-tools{display:flex;gap:5px;align-items:center}.viewer-tools button{min-width:29px;min-height:28px;border:1px solid var(--line);padding:5px 8px;background:#fffaf1;font-size:11px}.viewer-tools button:hover{background:#efe2c8;border-color:var(--gold)}.viewer-tools button[aria-pressed=true]{background:var(--brown);color:var(--page);border-color:var(--brown)}#chart-viewer{height:clamp(400px,53vh,680px);width:100%;position:relative;background:#d9caaa;touch-action:none}.map-status{display:flex;justify-content:space-between;gap:16px;font-family:var(--ui);font-size:9px;color:var(--muted);background:#faf4e5;border-top:1px solid #cfb990;padding:9px 14px;line-height:1.5}.map-status>span:first-child{color:var(--brown)}.map-loading{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);background:#fff8e9eb;padding:14px 20px;z-index:3;font-family:var(--ui);font-size:12px}.source-region{border:2px solid var(--rust);box-shadow:0 0 0 1px #fff2cd99;background:#e4bc7b1c;cursor:pointer}.source-region.active{border-width:3px;background:#f5da9133}.region-tag{position:absolute;bottom:100%;left:-2px;background:var(--brown);color:#fff8e8;font:9px var(--ui);padding:4px 6px;white-space:nowrap}.location-card{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:18px 19px;background:#f7eedb;border:1px solid var(--line);border-top:0}.location-card .eyebrow{font-size:9px;display:block;margin-bottom:5px}.location-card p{font-size:14px;line-height:1.55;max-width:670px}.location-card button{flex-shrink:0;font-size:11px;color:var(--rust);padding:8px 0}.below-map{margin-top:23px}.journey-nav{display:flex;justify-content:space-between;align-items:stretch;gap:13px;padding:0 0 20px;border-bottom:1px solid var(--line)}.journey-nav button{display:flex;flex-direction:column;gap:4px;text-align:left;padding:0;font-size:13px;line-height:1.45;max-width:46%}.journey-nav button:last-child{text-align:right;align-items:flex-end}.journey-nav button small{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.11em}.journey-nav button strong{font-family:var(--text);font-size:16px;font-weight:400}.route-intro{display:flex;gap:20px;justify-content:space-between;align-items:baseline;padding:24px 0 15px}.route-intro h2{font-size:23px}.route-intro p{font-family:var(--ui);font-size:10px;color:var(--muted)}.route-options{border-top:1px solid var(--line);padding:15px 0}.route-options summary{cursor:pointer;color:var(--brown);font-family:var(--ui);font-size:11px;font-weight:600;list-style-position:inside}.route-options[open] summary{margin-bottom:17px}.route-options .route-list{margin:0}.route-list{display:grid;gap:0}.route-card{display:block;text-align:left;width:100%;border:0;border-bottom:1px solid var(--line);padding:14px 3px;font-size:14px;background:transparent}.route-card:first-child{border-top:1px solid var(--line)}.route-card .kicker,.route-card small{display:block;font-family:var(--ui);font-size:9px;color:var(--muted);margin:0 0 6px;text-transform:uppercase;letter-spacing:.08em}.route-card strong{font-family:var(--text);font-size:17px;font-weight:400;display:block}.route-card span{display:block;color:var(--muted);font-size:12px;margin-top:5px}.route-card:hover{background:#f5ead7}.route-card.active{padding-left:12px;border-left:3px solid var(--rust);background:#f5ead7;color:var(--rust)}
.study-column{border-top:2px solid var(--rust)}.tool-tabs{display:flex;gap:0;border-bottom:1px solid var(--line);background:#f8f1e4}.tool-tabs button{flex:1;min-width:0;padding:14px 4px 13px;font-size:10px;font-weight:600;white-space:nowrap;color:var(--muted);position:relative;border-bottom:2px solid transparent;margin-bottom:-1px}.tool-tabs button[aria-selected=true]{color:var(--rust);border-bottom-color:var(--rust);background:#fffaf0}.tool-tabs button:hover{background:#f1e5ce}.tool-tabs button svg{display:block;margin:0 auto 5px}#tool-content{padding:24px 4px 18px;min-height:400px}.entry-heading{padding-bottom:19px;margin-bottom:20px;border-bottom:1px solid var(--line)}.entry-heading h2{font-size:28px;margin:6px 0 11px}.entry-heading p{font-size:13px;color:var(--muted);line-height:1.6}.entry-heading .kicker{font-size:9px;margin:0}.lede{font-size:16px;line-height:1.65}.study-column p{line-height:1.65}.study-column h3{font-family:var(--text);font-size:18px;margin:20px 0 10px}.study-column .section-label{font-size:10px;margin:23px 0 10px}.study-column .study-box{margin:20px 0;padding:15px 17px;background:#f5ecd9;border:1px solid #e0cba5;font-size:14px;line-height:1.65}.study-box h3{margin:0 0 9px;font-family:var(--ui);font-size:10px;text-transform:uppercase;letter-spacing:.07em;color:var(--rust)}.study-box p{font-size:14px}.study-box p+p{margin-top:10px}.step-list{padding-left:23px;margin:16px 0;font-size:14px;line-height:1.6}.step-list li{padding:0 0 12px 5px}.step-list li::marker{font-family:var(--ui);font-size:11px;font-weight:700;color:var(--gold)}.prompt{font-size:18px;line-height:1.45;margin:18px 0}.answer-box{padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px;line-height:1.65;margin:18px 0}.choice{display:flex;align-items:flex-start;gap:10px;text-align:left;width:100%;padding:13px 14px;margin:8px 0;background:#fffaf0;border:1px solid var(--line);font-size:12px;line-height:1.55;min-height:45px}.choice:hover:not(:disabled){background:#f2e5cd;border-color:var(--gold)}.choice.correct{border-color:var(--success);background:#edf0e5;color:#304a33}.choice.incorrect{border-color:var(--error);background:#f8e9dd;color:#7b3520}.choice:before{content:"";width:13px;height:13px;border:1px solid #b9a489;border-radius:50%;flex-shrink:0;margin-top:2px}.choice.correct:before{background:var(--success);border-color:var(--success);box-shadow:inset 0 0 0 3px #edf0e5}.choice.incorrect:before{background:var(--error);border-color:var(--error);box-shadow:inset 0 0 0 3px #f8e9dd}.feedback{font-size:14px;line-height:1.6;padding:15px 16px;background:#f2ead8;border-left:3px solid var(--gold);margin:17px 0}.feedback.correct{border-left-color:var(--success)}.feedback.incorrect{border-left-color:var(--error)}.feedback strong{display:block;margin-bottom:7px}.study-nav{display:flex;justify-content:space-between;gap:10px;padding-top:21px;margin-top:21px;border-top:1px solid var(--line)}.study-nav button{font-size:11px;padding:8px 0;color:var(--rust)}.primary-button,button.primary{background:var(--brown);border-color:var(--brown);color:#fff9eb;padding:11px 16px;font-size:11px}.primary-button:hover:not(:disabled),button.primary:hover:not(:disabled){background:var(--rust);color:white}.secondary-button,button.secondary{padding:10px 14px;border:1px solid var(--gold-light);color:var(--brown);background:#fff8e9}.secondary-button:hover,button.secondary:hover{background:#f3e6cc}.inline-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}.inline-actions button{padding:9px 12px;border:1px solid var(--line);font-size:11px}.inline-actions button:first-child{border-color:var(--gold-light)}.inline-actions button:hover{background:#f2e5cb}.inline-actions button.primary{background:var(--brown);color:var(--page);border-color:var(--brown)}
.audio-player{margin:19px 0;padding:17px;background:#f3e7cf;border:1px solid #d7bd8c}.audio-player h3{font-size:18px;margin:0 0 8px}.audio-controls{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:14px 0 10px}.audio-controls button{padding:10px 13px;min-height:38px;background:#fff8e7;border:1px solid var(--gold-light);font-size:11px}.audio-controls button:first-child{background:var(--brown);border-color:var(--brown);color:#fff8e9}.audio-controls button:first-child:hover{background:var(--rust)}.audio-controls select{width:auto;min-width:74px;font-size:11px;padding:9px 8px;background:#fff8e7}.audio-caption{font-family:var(--ui);font-size:10px;color:var(--muted);line-height:1.6}.audio-player audio{display:block;width:100%;margin:12px 0}.transcript{margin:20px 0;font-size:14px;line-height:1.7}.transcript p+p{margin-top:13px}.transcript summary{font-family:var(--ui);font-size:11px;font-weight:600;color:var(--rust);cursor:pointer;padding:9px 0}.transcript[open] summary{margin-bottom:10px}.transcript .active{background:#ead6ac}.field-label{display:block;font-family:var(--ui);font-size:10px;font-weight:600;color:var(--rust);text-transform:uppercase;letter-spacing:.08em;margin:20px 0 9px}textarea,input,select{width:100%;border:1px solid #cdb78e;background:#fffcf5;color:var(--ink);border-radius:0;padding:11px 12px;line-height:1.5;font-size:13px}textarea{font-family:var(--text);font-size:15px;resize:vertical;min-height:150px}textarea::placeholder,input::placeholder{color:#9c8a72}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--rust)}.checkbox-label{display:flex;align-items:flex-start;gap:9px;font:11px/1.5 var(--ui);margin:12px 0}.checkbox-label input{margin-top:2px}.notes-meta{display:flex;justify-content:space-between;gap:15px;font-family:var(--ui);font-size:10px;color:var(--muted);margin:10px 0}.empty-state{font-size:14px;color:var(--muted);padding:25px 0}.source-credit{font-family:var(--ui);font-size:9px;line-height:1.65;color:var(--muted);margin:19px 0}.source-credit button{font-size:9px}.search-results{display:grid;gap:0;margin:12px 0}.search-results button{padding:11px 0;border-bottom:1px solid var(--line);text-align:left}.search-results strong{font-family:var(--text);font-size:16px}.search-results span{display:block;font-size:10px;color:var(--muted);margin-top:4px}.entry-links{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}.entry-links button{font-size:10px;border:1px solid var(--line);padding:6px 9px}.footer{display:flex;justify-content:space-between;align-items:center;gap:25px;border-top:1px solid var(--line);padding:22px 0 7px;margin-top:30px;font:10px/1.7 var(--ui);color:var(--muted)}.footer button{font-size:10px;padding:0;color:var(--rust)}
#toast{position:fixed;bottom:23px;left:50%;transform:translateX(-50%);max-width:calc(100vw - 32px);background:var(--brown);color:#fff8e8;box-shadow:0 4px 20px #321a1533;padding:12px 19px;font:12px/1.5 var(--ui);z-index:1000;text-align:center}dialog#app-dialog{width:min(720px,calc(100vw - 32px));max-height:90vh;background:var(--page);color:var(--ink);border:1px solid var(--gold-light);padding:0;box-shadow:0 15px 80px #23110455}dialog::backdrop{background:#291a1099;backdrop-filter:blur(3px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 24px;border-bottom:1px solid var(--line);font-family:var(--ui);font-size:11px;font-weight:600;color:var(--rust)}.dialog-header button{font-size:24px;line-height:1;padding:0 3px;min-width:28px;min-height:28px}#dialog-body{padding:27px 30px 32px}#dialog-body h2{font-size:31px;margin-bottom:17px}#dialog-body h3{font-size:20px;margin:24px 0 11px}#dialog-body p,#dialog-body li{font-size:15px;line-height:1.7}#dialog-body p+p{margin-top:12px}#dialog-body ul,#dialog-body ol{padding-left:23px}#dialog-body li{padding:3px 0}#dialog-body a{overflow-wrap:anywhere}#dialog-body table{width:100%;border-collapse:collapse;font-size:12px;margin:18px 0}#dialog-body th,#dialog-body td{padding:10px;border:1px solid var(--line);text-align:left}#dialog-body th{font-family:var(--ui);font-size:10px;background:var(--cream)}.print-document{max-width:700px;margin:0 auto;color:var(--ink)}.print-document h1{font-size:32px;margin-bottom:12px}.print-document h2{font-size:23px;margin-top:25px}.print-document .worksheet-block{break-inside:avoid;padding:15px 0;border-top:1px solid var(--line);margin:18px 0}.print-document .answer-line{min-height:30px;border-bottom:1px solid var(--line);margin:7px 0}.print-document .model-answer{background:var(--cream);padding:12px 15px;margin:10px 0}.print-meta,.print-source{font:10px/1.6 var(--ui);color:var(--muted);margin:15px 0}.print-key{font:10px var(--ui);text-transform:uppercase;letter-spacing:.08em;color:var(--rust);border:1px solid var(--line);padding:5px 8px;display:inline-block;margin-bottom:12px}
@media(min-width:1700px){.chart-dock{padding-top:12px;padding-bottom:10px}.workspace{padding-top:32px}}
@media(max-width:1200px){.site-header{padding:18px 28px}.workspace{padding:25px 28px 20px}.viewer-layout{grid-template-columns:minmax(0,1fr) 340px;gap:22px}.brand-name{font-size:23px}.workspace-title h1{font-size:32px}.map-toolbar{padding:9px 11px}.map-toolbar .eyebrow{max-width:150px;font-size:8px}.viewer-tools{gap:4px}.viewer-tools button{font-size:10px;padding:5px 7px}.study-column .entry-heading h2{font-size:26px}.chart-dock{padding-left:28px;padding-right:28px}.header-actions{gap:15px}.header-actions>button+button{padding-left:15px}}
@media(max-width:960px){.viewer-layout{grid-template-columns:minmax(0,1fr) 305px;gap:19px}.site-header{padding:16px 22px}.workspace{padding:24px 22px 18px}.chart-dock{padding-left:22px;padding-right:22px}.workspace-title .edition-tag{display:none}.workspace-title h1{font-size:30px}.workspace-title p{font-size:13px}.tool-tabs button{font-size:9px}.map-toolbar .eyebrow{font-size:8px;max-width:100px}.viewer-tools button{padding:5px;min-width:26px}.viewer-tools button[data-action=fullscreen]{display:none}.location-card{padding:15px;gap:12px}.location-card p{font-size:13px}.location-card button{font-size:10px;max-width:90px}.study-column{font-size:15px}#tool-content{padding-top:20px}.entry-heading h2{font-size:25px}.entry-heading p{font-size:12px}}
@media(max-width:780px){html{scroll-padding-top:145px}.site-header{padding:15px 18px;gap:15px}.brand{gap:10px}.brand-seal,.brand-seal img{width:40px;height:40px}.brand-name{font-size:23px}.brand-publisher{font-size:8px;letter-spacing:.16em}.header-actions{gap:12px;font-size:10px}.header-actions>button{font-size:10px}.header-actions>button+button{padding-left:12px}.header-note{display:none}.chart-dock{padding:9px 18px 7px}.overview-meta{margin-bottom:7px}.overview-meta .eyebrow{font-size:8px}#overview-caption{font-size:9px;max-width:54%;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.overview-footer{font-size:8px;margin-top:6px}.overview-footer span:last-child{font-size:8px}.workspace{padding:22px 18px 15px}.workspace-title{margin-bottom:20px}.workspace-title h1{font-size:31px;max-width:600px}.workspace-title p{max-width:620px;font-size:14px}.viewer-layout{grid-template-columns:1fr;gap:26px}#chart-viewer{height:400px}.map-toolbar .eyebrow{font-size:9px;max-width:none}.viewer-tools button{font-size:11px;padding:6px 9px;min-width:31px;min-height:31px}.viewer-tools button[data-action=fullscreen]{display:block}.map-status{font-size:9px}.location-card p{font-size:14px}.location-card button{font-size:11px;max-width:none}.study-column{border-top-width:2px}.tool-tabs{justify-content:stretch}.tool-tabs button{font-size:11px;padding:14px 5px}#tool-content{padding:24px 5px 15px;min-height:0}.study-column .entry-heading h2{font-size:30px}.entry-heading p{font-size:14px}.study-column .lede{font-size:17px}.study-column .study-box{padding:18px 20px}.study-column .study-box p{font-size:15px}.step-list{font-size:15px}.choice{font-size:13px;padding:14px 16px;min-height:48px}.feedback{font-size:15px}.audio-player{padding:20px}.study-column textarea{min-height:160px}.below-map{margin-top:19px}.footer{margin-top:23px}.route-options{padding-top:17px}.route-options summary{font-size:12px}.route-card{padding:15px 0}.route-card strong{font-size:18px}}
@media(max-width:480px){html{scroll-padding-top:125px}.site-header{padding:13px 14px}.brand{gap:8px}.brand-seal,.brand-seal img{width:34px;height:34px}.brand-name{font-size:20px}.brand-publisher{font-size:7px;letter-spacing:.15em;margin-top:5px}.header-actions{gap:9px}.header-actions>button{font-size:9px;padding:5px 0}.header-actions>button+button{padding-left:9px}.header-actions .edition-tag{display:none}.chart-dock{padding:8px 14px 6px}.overview-meta{margin-bottom:6px}.overview-meta .eyebrow{font-size:7px;letter-spacing:.13em}#overview-caption{font-size:8px}.overview-footer{font-size:7px;gap:8px}.overview-footer button{font-size:8px}.overview-footer span:last-child{font-size:7px}.workspace{padding:20px 14px 15px}.workspace-title{margin-bottom:18px}.workspace-title h1{font-size:28px;line-height:1.12;letter-spacing:-.035em;margin:5px 0 10px}.workspace-title .eyebrow{font-size:8px}.workspace-title p{font-size:13px;line-height:1.6}.map-toolbar{gap:8px;padding:8px}.map-toolbar .eyebrow{font-size:7px;letter-spacing:.1em;max-width:86px}.viewer-tools{gap:4px}.viewer-tools button{padding:5px 6px;min-height:29px;min-width:27px;font-size:9px}#chart-viewer{height:340px}.map-status{padding:8px 9px;font-size:8px;gap:10px}.location-card{padding:13px 12px;align-items:flex-start}.location-card .eyebrow{font-size:8px;margin-bottom:5px}.location-card p{font-size:13px;line-height:1.6}.location-card button{font-size:10px;max-width:80px;padding:3px 0;white-space:normal}.journey-nav{gap:15px;padding-bottom:16px}.journey-nav button{max-width:47%}.journey-nav button small{font-size:8px}.journey-nav button strong{font-size:14px}.route-intro{padding-top:22px;display:block}.route-intro h2{font-size:22px}.route-intro p{margin-top:7px}.viewer-layout{gap:22px}.tool-tabs button{padding:13px 3px 12px;font-size:10px}.study-column .entry-heading h2{font-size:28px}.entry-heading p{font-size:13px}.entry-heading{padding-bottom:18px;margin-bottom:18px}#tool-content{padding:22px 3px 12px}.study-column .lede{font-size:16px}.study-column .study-box{margin:18px 0;padding:15px 16px}.audio-player{padding:16px}.audio-controls{gap:7px}.audio-controls button{font-size:10px;padding:10px 11px}.audio-controls select{font-size:10px;min-width:65px;padding:9px 6px}.prompt{font-size:18px}.inline-actions{gap:8px}.inline-actions button{font-size:10px;padding:10px 11px}.footer{display:block;font-size:9px;padding-top:18px}.footer>div+div,.footer>span+span,.footer>button{display:block;margin-top:10px}.footer button{font-size:9px}#dialog-body{padding:23px 21px}#dialog-body h2{font-size:27px}#dialog-body p,#dialog-body li{font-size:14px}.dialog-header{padding:15px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{@page{size:A4;margin:16mm}html,body{background:white!important;color:#25190f;font-size:11pt}body>*:not(dialog){display:none!important}dialog#app-dialog[open]{display:block;position:static;width:auto;max-width:none;max-height:none;overflow:visible;padding:0;margin:0;border:0;box-shadow:none;background:white}dialog::backdrop{display:none}.dialog-header,.no-print,.inline-actions{display:none!important}#dialog-body{padding:0}#dialog-body h2{font-size:25pt}#dialog-body h3{font-size:14pt}#dialog-body p,#dialog-body li{font-size:10pt;line-height:1.6}.print-document{max-width:none}.print-document .worksheet-block{break-inside:avoid}.print-document .model-answer{background:#f5efdf!important;print-color-adjust:exact}.print-document .answer-line{min-height:26px}.print-meta,.print-source{font-size:8pt}a{color:#25190f;text-decoration:none}button{display:none!important}}
/* Details of the continuous-chart workspace. */
.selection-key{display:inline-block;width:10px;height:8px;border:1.5px solid var(--rust);vertical-align:-1px;margin-right:5px;background:#a8753020}.map-toolbar>div:first-child{display:flex;flex-direction:column;gap:4px}#location-label{font-family:var(--text);font-size:13px;line-height:1.2;color:var(--brown)}.map-status button{font-size:9px;color:var(--rust);padding:0;text-decoration:underline;text-underline-offset:3px}.study-column>.entry-heading{padding:21px 4px 20px;margin-bottom:0}.journey-nav{gap:0;padding:0;border-bottom:1px solid var(--line)}.journey-nav button,.journey-nav button:last-child{flex:1;max-width:none;display:block;text-align:left;padding:12px 10px 13px 0;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;font-family:var(--text);font-size:15px;line-height:1.4}.journey-nav button span{font-family:var(--ui);font-size:9px;display:block;margin-bottom:4px;letter-spacing:.1em;color:var(--gold)}.journey-nav button[aria-current=step]{border-bottom-color:var(--rust);color:var(--rust)}.route-intro{display:block;padding:22px 2px 20px}.route-intro .section-label{margin-bottom:8px}.route-intro h2{font-size:24px;margin:0 0 10px}.route-intro p{font-family:var(--text);font-size:14px;line-height:1.65;max-width:760px}.route-intro .step-list{margin:15px 0 8px;display:grid;grid-template-columns:1fr 1fr;gap:0 28px;max-width:760px}.route-intro .step-list li{font-size:13px;padding-bottom:9px}.route-intro>button{color:var(--rust);border-bottom:1px solid var(--gold-light);padding:4px 0;font-size:11px;font-weight:600}.route-options summary span{float:right;font-size:10px;font-weight:400;color:var(--muted)}.route-card>span{font-family:var(--ui);font-size:9px;color:var(--rust);letter-spacing:.08em;margin:0 0 5px}.route-card>small{font-family:var(--text);font-size:12px;text-transform:none;letter-spacing:0;color:var(--muted);margin:6px 0 0;line-height:1.5}.audio-player{padding-top:5px}.audio-player>small{display:block;font:9px/1.6 var(--ui);color:var(--muted);margin-top:6px}.reading-reference{font-size:14px;font-style:italic;color:var(--brown)}.study-box>.section-label{margin-top:0;margin-bottom:9px}.footer p{font-family:var(--text);font-size:15px;color:var(--brown);max-width:170px;line-height:1.4}.footer>div{max-width:410px}.footer #save-status{font-size:9px;max-width:100px;line-height:1.5}
@media(max-width:780px){.study-column>.entry-heading{padding:22px 4px}.footer{flex-wrap:wrap;align-items:flex-start;gap:17px 25px}.footer>div{max-width:calc(100% - 210px)}.footer #save-status{max-width:none}.journey-nav button,.journey-nav button:last-child{font-size:15px}.route-intro .step-list{grid-template-columns:1fr 1fr}.route-intro .step-list li{font-size:14px}}
@media(max-width:480px){#location-label{font-size:11px}.map-status button{font-size:8px;max-width:148px;text-align:right}.study-column>.entry-heading{padding:20px 3px}.journey-nav button,.journey-nav button:last-child{font-size:13px;padding:12px 6px 12px 0}.journey-nav button span{font-size:8px}.route-intro h2{font-size:23px}.route-intro .step-list{grid-template-columns:1fr}.route-intro .step-list li{font-size:13px;padding-bottom:9px}.route-options summary{font-size:11px}.route-options summary span{font-size:9px}.footer>div{max-width:none}.footer p{max-width:none}.footer #save-status{display:block;margin-top:11px}}
#tool-content>button:not(.text-button){display:inline-block;padding:10px 14px;margin-top:13px;border:1px solid var(--gold-light);background:#f7ecd7;color:var(--rust);font-family:var(--ui);font-size:11px;line-height:1.5}#tool-content>button:not(.text-button):hover:not(:disabled){background:#eddbb9;border-color:var(--gold)}#tool-content>textarea+button{margin-bottom:10px}#tool-content>h3:first-child,#tool-content>.section-label+h3{margin-top:8px}.writing-space{min-height:96px;border-bottom:1px solid var(--line);margin:12px 0 20px;background:repeating-linear-gradient(transparent 0,transparent 30px,#dfcda8 31px,transparent 32px)}
@media(max-width:480px){.site-header{flex-wrap:wrap;gap:12px}.header-actions{width:100%;justify-content:flex-start;border-top:1px solid var(--line);padding-top:8px;gap:18px}.header-actions>button{font-size:10px;min-height:26px}.header-actions>button+button{border-left:0;padding-left:0}.header-actions>button:last-child{margin-left:auto}.brand-name{font-size:22px}.brand-publisher{font-size:8px}.brand-seal,.brand-seal img{width:38px;height:38px}}
/* Keep the enlarged chart immediately beneath its navigator and chapter heading. */
.workspace{padding-top:18px}.workspace-title{margin-bottom:16px}.workspace-title h1{font-size:27px;margin:4px 0 0;line-height:1.2}.site-header{padding-top:14px;padding-bottom:14px}
@media(max-width:780px){.workspace{padding-top:16px}.workspace-title h1{font-size:25px}.workspace-title{margin-bottom:15px}}
@media(max-width:480px){.workspace-title h1{font-size:23px}.site-header{padding-top:11px;padding-bottom:11px}}
/* Typesetting follows the printed guide: warm paper, Georgia, rust labels and fine gold rules. */
body{background:linear-gradient(#fff9ecd6,#fff9ecd6),url('assets/paper.webp') center top/700px auto repeat}
.brand-seal{background-image:url('assets/compass-book.webp')}
.entry-heading{padding:19px 4px 22px;margin-bottom:0}.entry-heading h2{font-size:29px;line-height:1.15}
#location-label{display:block;font-family:var(--ui);font-size:10px;color:var(--muted);margin-top:2px}
.journey-nav button{max-width:none;flex:1;display:flex;flex-direction:row;align-items:center;justify-content:center;gap:8px;font-size:11px;text-align:center;padding:9px 3px;border:1px solid var(--line);background:#fcf5e7}
.journey-nav button:last-child{text-align:center;align-items:center}.journey-nav button span{display:flex;align-items:center;justify-content:center;width:25px;height:25px;border-radius:50%;color:#fff7e8;background:var(--gold);font:12px var(--text);flex-shrink:0}
.journey-nav button[aria-current=step]{border-color:var(--gold);background:#f1e2c7;color:var(--rust)}
.route-intro{display:block;padding:24px 0}.route-intro h2{font-size:25px;margin:6px 0 12px}.route-intro p{font:15px/1.65 var(--text);max-width:680px}.route-intro .step-list{font-size:14px;margin:18px 0}.route-intro>button{border-bottom:1px solid var(--gold);padding:6px 0;color:var(--rust)}
.choice{font-size:13px;line-height:1.5;padding:12px 14px}.choices{margin:16px 0 20px}.feedback{margin-bottom:23px}.feedback p{font-size:14px;line-height:1.6}
#tool-content>.section-label:not(:first-child){margin-top:25px;padding-top:18px;border-top:1px solid var(--line)}
.reading-reference{line-height:1.7}.study-box,.answer-box{border-radius:4px}.study-box p,.answer-box p{line-height:1.65}
@media(min-width:1600px){.workspace-title h1{font-size:40px}}
@media(max-width:900px){.journey-nav{gap:7px}.journey-nav button{font-size:10px}.workspace-title h1{font-size:29px}.edition-tag{display:none}}
@media(max-width:540px){.site-header{padding:16px 18px}.header-actions{gap:10px}.header-actions>button+button{padding-left:10px}.brand-name{font-size:20px}.brand-publisher{font-size:8px}.brand-seal{width:35px;height:35px}.chart-dock{padding:8px 18px}.overview-footer{font-size:8px;gap:8px}.overview-footer button{font-size:8px}.overview-meta .eyebrow{font-size:8px}.overview-meta #overview-caption{font-size:8px}.workspace{padding:22px 18px}.workspace-title{margin-bottom:18px}.workspace-title h1{font-size:28px}.workspace-title .eyebrow{font-size:8px}.map-toolbar{padding:9px}.viewer-tools{gap:3px}.viewer-tools button{padding:4px 6px;min-width:26px;font-size:10px}#location-label{max-width:95px;font-size:8px}.map-toolbar .eyebrow{font-size:8px}.map-status{padding:8px 9px;font-size:8px;gap:8px}.map-status button{font-size:8px}.journey-nav button{flex-direction:column;font-size:10px;gap:5px}.location-card{padding:14px;gap:12px}.location-card p{font-size:12px}.location-card button{font-size:10px}.entry-heading h2{font-size:27px}}