/* The course is the primary route; other tools support it. */
.course-return-context{display:block;background:#e7eedb;border:1px solid #c3d2b3;padding:15px 19px;margin-bottom:18px;color:#365c3d;font-size:13px;text-decoration:none;border-radius:5px}
.reference-nav{margin-top:32px;border-top:1px solid #cdd6c3;padding-top:14px}.reference-nav summary{display:flex;justify-content:space-between;cursor:pointer;font-size:12px;color:#627354;padding:12px;list-style:none}.reference-nav a{display:block;padding:10px 12px;color:#536b49;text-decoration:none;font-size:12px;border-radius:4px}.reference-nav a[aria-current]{background:#dfe8d3;font-weight:700}.reference-nav[open] summary>span{transform:rotate(45deg)}.sidebar-note strong{font-weight:600}.study-sidebar nav>.nav-group-label{margin-bottom:12px}.study-app[data-view=course] #viewHeader{display:none}.course-home{max-width:1100px;margin:auto}.course-heading h1{font:400 clamp(30px,3vw,48px)/1.1 Georgia,serif;letter-spacing:-.035em;margin:13px 0 16px}.course-heading>p{max-width:730px;line-height:1.7;font-size:15px;color:#66745e}.course-resume{display:flex;align-items:center;flex-wrap:wrap;gap:18px 30px;background:#163e32;color:#f7f2e3;padding:26px 30px;border-radius:9px;margin:26px 0 35px}.course-resume>div:first-child{flex:1;min-width:210px}.course-resume>div>span{font-size:10px;letter-spacing:.1em;color:#d5c88f}.course-resume h2{font:400 26px/1.2 Georgia,serif;margin:10px 0}.course-resume p{font-size:12px;margin:0;color:#c2d0b7}.course-resume .button{background:#ece0b1;color:#1a3f31;border:0;font-size:13px;min-height:46px}.course-progress{flex:0 0 100%;display:flex;gap:15px;align-items:center;border-top:1px solid #46634e;padding-top:16px}.course-progress span{font-size:11px!important;letter-spacing:0!important}.course-progress progress{height:7px;flex:1;max-width:420px;accent-color:#d9c989}.course-progress small{font-size:10px;color:#b6c5aa}.course-syllabus-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.course-syllabus-title h2{font:400 25px Georgia,serif;margin:0}.course-syllabus-title>span{font-size:11px;color:#758367}.course-units{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.course-units button{display:flex;flex-direction:column;align-items:start;text-align:left;background:#f9f7ee;border:1px solid #c9d4bc;border-radius:6px;padding:17px 15px;min-height:110px;color:#314f39;cursor:pointer}.course-units button>span{font-size:10px;letter-spacing:.09em;color:#8c6543}.course-units strong{font-size:14px;line-height:1.4;margin:9px 0;flex:1}.course-units small{font-size:10px;color:#76856a}.course-units button[aria-pressed=true]{background:#e4ebd6;border:2px solid #436648;padding:16px 14px;box-shadow:0 3px 0 #436648}.course-unit-intro{margin:27px 0 17px}.course-unit-intro h3{font:400 23px/1.3 Georgia,serif;margin:0 0 8px}.course-unit-intro p{font-size:12px;color:#78826c;margin:0}.course-lessons{display:grid;gap:9px}.course-lesson{display:flex;gap:20px;align-items:center;text-decoration:none;padding:19px 23px;background:#fffdf6;border:1px solid #d2dbc6;border-radius:6px;color:#294d37}.course-lesson>span:nth-child(2){flex:1;min-width:0}.course-lesson-number{font:400 25px Georgia,serif;color:#aa6f49;width:32px;flex:none}.course-lesson strong{font:400 22px/1.25 Georgia,serif;display:block}.course-lesson small{display:block;font-size:12px;line-height:1.6;color:#78836b;margin:6px 0}.course-lesson-views{display:block;font-size:10px;color:#687c58}.course-lesson>b{font-size:20px;font-weight:400}.course-lesson:hover{border-color:#6c8c59;background:#f4f7eb}.course-other{display:flex;align-items:center;flex-wrap:wrap;gap:16px;border-top:1px solid #ced8c0;margin-top:30px;padding:18px 0}.course-other p{font-size:12px;color:#7b866e;flex:1;min-width:260px;line-height:1.7;margin:0}.course-other a{font-size:12px;color:#496744}.course-other strong{color:#44623c}.organized-lesson .lesson-location{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.08em;color:#7b866a;gap:12px}.organized-lesson .lesson-workspace-tabs{display:flex;gap:7px;border-bottom:1px solid #cbd7bf;padding:17px 0;margin-bottom:25px;position:sticky;top:72px;z-index:8;background:#f6f3e9}.lesson-workspace-tabs button{padding:12px 20px;min-height:44px;border:1px solid #c7d3ba;background:#f9f8ef;color:#557148;border-radius:5px;font-size:13px;cursor:pointer}.lesson-workspace-tabs button[aria-pressed=true]{color:#fff;background:#234e38;border-color:#234e38}.study-app[data-view=lesson] .module-body.organized-lesson{display:block}.lesson-read-pane{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}.lesson-reading-text>ol{padding:23px 25px 23px 42px;background:#fffdf6;border:1px solid #d6dfcb;margin:0;font-size:14px;line-height:1.8;border-radius:6px}.lesson-reading-text .module-caution{font-size:12px;line-height:1.8;padding:18px}.lesson-pane h2{font:400 27px Georgia,serif;margin:0 0 14px}.lesson-pane-intro{font-size:13px;color:#6b7d5e;line-height:1.8;max-width:800px;margin:0 0 20px}.lesson-people{display:grid;grid-template-columns:1fr 1fr;gap:14px}.lesson-people article{display:flex;gap:18px;padding:22px;border:1px solid #cedac0;background:#fffdf6;border-radius:6px}.lesson-people .speaker-portrait{width:66px;height:88px;flex:none;overflow:hidden;border-radius:5px}.lesson-people img{width:100%;height:100%;object-fit:cover}.lesson-people h3{font:400 21px/1.3 Georgia,serif;margin:0 0 10px}.lesson-people p{font-size:12px;color:#6e805e;line-height:1.6;margin:0 0 10px}.lesson-people small{font-size:10px;color:#9c6b44;display:block}.lesson-people a{display:block;font-size:12px;color:#365e3e;margin-top:16px}.lesson-source-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.lesson-source-list a{display:flex;flex-direction:column;gap:12px;border:1px solid #cdd8c0;padding:22px;color:#365c3d;text-decoration:none;background:#fffdf6}.lesson-source-list span{font-size:10px;text-transform:uppercase;color:#8f633d;letter-spacing:.1em}.lesson-source-list strong{font-size:14px;line-height:1.5}.lesson-source-list small{font-size:11px;text-decoration:underline}.lesson-completion{display:flex;align-items:center;gap:18px;border-top:1px solid #cdd8c0;padding-top:22px;margin-top:28px}.lesson-completion button{background:#e8eedc;border:1px solid #98ad80;padding:12px 18px;min-height:44px;color:#3a5939;border-radius:5px;font-size:12px;cursor:pointer}.lesson-completion span{font-size:11px;color:#7a876c}.lesson-timeline{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 16px}.lesson-timeline button{border:1px solid #b7c8a7;border-radius:4px;background:#fcfbf4;color:#496b40;padding:9px 12px;min-height:40px;font-size:12px;cursor:pointer}.lesson-timeline button[aria-pressed=true]{background:#31573e;color:white}.lesson-map-stage{height:670px;min-width:0}.lesson-visual-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(250px,.75fr);gap:22px}.lesson-visual-context{font-size:13px;line-height:1.8;color:#596f4d;min-width:0}.lesson-visual-context h3{font:400 25px/1.3 Georgia,serif;margin:10px 0 14px}.lesson-visual-context h4{font-size:14px;margin:20px 0 9px}.lesson-visual-context .history-metric{margin-top:13px}.course-home button:focus-visible,.organized-lesson button:focus-visible,.course-home a:focus-visible{outline:3px solid #bc843a;outline-offset:3px}
@media(max-width:1000px){.lesson-read-pane,.lesson-visual-layout{grid-template-columns:1fr}.lesson-map-stage{height:640px}.lesson-people{grid-template-columns:1fr}.course-units strong{font-size:12px}}
@media(max-width:800px){.reference-nav{grid-column:1/-1;margin-top:10px}.reference-nav[open]{display:grid;grid-template-columns:1fr 1fr}.reference-nav summary{grid-column:1/-1}.organized-lesson .lesson-workspace-tabs{top:64px}.course-units{grid-template-columns:1fr 1fr}.course-units button{min-height:102px}.lesson-workspace-tabs button{padding:10px 13px;font-size:12px}.course-heading h1{font-size:35px}.course-resume{padding:22px}.course-lesson{padding:18px;gap:14px}.course-lesson strong{font-size:20px}.course-progress{flex-wrap:wrap;gap:10px}.course-progress small{width:100%}.lesson-source-list{grid-template-columns:1fr}.lesson-location{flex-direction:column;gap:6px!important}.lesson-map-stage{height:610px}.lesson-completion{flex-wrap:wrap}.course-lesson small{font-size:12px}.course-lesson-views{font-size:9px}.course-other{gap:14px}.lesson-workspace-tabs{gap:5px!important}.lesson-people article{padding:18px}.lesson-people .speaker-portrait{width:52px;height:70px}}