@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Caslon+Display&display=swap');
:root{--ink:#eae9dc;--muted:#a5aca0;--gold:#d5b77a;--panel:#1c2722;--line:#ffffff12;--side:320px;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);background:#26342e;font-synthesis:none}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,input{font:inherit}button{cursor:pointer;color:inherit;background:none;border:0}button:focus-visible,a:focus-visible,#scene:focus-visible{outline:2px solid var(--gold);outline-offset:4px}button{touch-action:manipulation}button:hover{color:var(--gold)}#app{height:100dvh;min-height:540px}#viewport{position:absolute;inset:0 0 0 var(--side);overflow:hidden;background:#afb5a2}#scene,#labels{position:absolute;inset:0}#scene canvas{display:block;width:100%;height:100%;touch-action:none}#labels{pointer-events:none;overflow:hidden}.sidebar{position:absolute;inset:0 auto 0 0;width:var(--side);background:var(--panel);z-index:3;box-shadow:14px 0 60px #101a2324;padding:25px 25px 16px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#475548 transparent;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;font-size:10px;letter-spacing:2px;font-weight:700}.brand-icon{font-size:33px;line-height:1;color:var(--gold)}.brand small{display:block;font-size:8px;font-weight:400;letter-spacing:2.1px;color:var(--muted);margin-top:5px}.edition{margin-left:auto;font-size:11px;color:var(--gold);border:1px solid #c0b18a44;border-radius:50%;height:29px;width:29px;display:grid;place-items:center;letter-spacing:0}.intro{padding-top:36px}.eyebrow{font-size:9px;letter-spacing:1.7px;line-height:1.6;color:var(--gold);font-weight:600;display:flex;align-items:center;gap:9px}.gold-line{width:19px;height:1px;background:var(--gold)}h1{font-family:'Libre Caslon Display',Georgia,serif;font-size:58px;line-height:.96;letter-spacing:-1.6px;font-weight:400;margin:16px 0 15px}h1 span{color:var(--gold)}.lede{font-size:13px;line-height:1.6;color:#b7beb1;margin:0}.status{font-size:8px;letter-spacing:1.25px;color:var(--muted);display:flex;align-items:center;gap:7px;margin-top:20px}.status i,.terrain-tag i{height:5px;width:5px;border-radius:50%;background:#a7bb93;display:inline-block}.explore{margin-top:31px}.section-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.section-label h2{font-size:11px;margin:0;font-weight:500}.section-label>span{font-size:8px;letter-spacing:1px;color:#7f8d80}.view-buttons{display:grid;gap:5px}.view-button{padding:11px 10px;text-align:left;display:flex;align-items:center;border:1px solid transparent;gap:10px;border-radius:4px;width:100%;transition:background .18s}.view-button.active{background:#ffffff08;border-color:#cfb77b55}.view-button:hover{background:#ffffff09}.view-icon{font-size:21px;width:23px;text-align:center;color:#9ba58f}.view-button.active .view-icon{color:var(--gold)}.view-button>span:nth-child(2){font-size:11px;line-height:1.3}.view-button small{display:block;font-size:9px;font-weight:400;color:#8f9b8f;margin-top:5px}.view-button b{margin-left:auto;color:#97a088;font-size:13px;font-weight:400}.layers{padding:20px 0 16px;margin-top:19px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.layers label{font-size:10px;display:flex;align-items:center;gap:6px;margin:11px 0 0;cursor:pointer}.layers label small{color:#8b988a;font-size:9px}.layers input{position:absolute;opacity:0}.switch{position:relative;margin-left:auto;width:25px;height:14px;border-radius:10px;background:#425047;border:1px solid #5a675d;transition:.2s}.switch:after{content:'';position:absolute;left:2px;top:2px;width:8px;height:8px;border-radius:50%;background:#a5ada0;transition:.2s}input:checked+.switch{background:#bba575;border-color:#bba575}input:checked+.switch:after{background:#203125;transform:translateX(11px)}input:focus-visible+.switch{outline:2px solid white;outline-offset:3px}.landmark-card{padding:21px 0 17px}.landmark-card .eyebrow{font-size:8px;justify-content:space-between}.landmark-card .eyebrow span{color:#839080;letter-spacing:1px}.landmark-card h3{font-family:'Libre Caslon Display',Georgia,serif;font-size:23px;line-height:1.1;font-weight:400;margin:12px 0 10px}.landmark-card p{font-size:10px;line-height:1.65;color:#a6b09f;margin:0}.evidence{font-size:8px;line-height:1.5;color:#7d8d7d;margin-top:13px}.landmark-card button{font-size:10px;padding:12px 0 0;color:var(--gold);display:flex;justify-content:space-between;width:100%}.landmark-card button[hidden]{display:none}.sidebar-footer{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding-top:13px;margin-top:auto;font-size:8px;color:#7e8d7c}.sidebar-footer button{font-size:9px}.map-top{position:absolute;inset:25px 27px auto 30px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.map-top .eyebrow{font-size:8px;letter-spacing:1.5px;color:#263d33;background:#e9eddbb0;padding:7px 10px;border-radius:3px;backdrop-filter:blur(8px)}.quiet{font-size:10px;padding:8px 11px;border:1px solid #263c3033;background:#eef0e4cc;border-radius:4px;color:#304233;backdrop-filter:blur(10px);pointer-events:auto}.quiet span{margin-left:8px}.compass{position:absolute;right:30px;top:90px;width:52px;height:70px;color:#304838;text-align:center;font-size:10px;pointer-events:none}.compass svg{width:52px;height:52px}.compass circle{fill:#eef0e466;stroke:#31452c44;stroke-width:.7}.compass path{fill:#344c3c;transform-origin:30px 30px}#view-caption{position:absolute;bottom:104px;left:30px;display:flex;flex-direction:column;pointer-events:none;text-shadow:0 1px 8px #eef0dc}#view-caption .tiny{font-size:8px;letter-spacing:1.5px;color:#40543e}#view-caption strong{font-family:'Libre Caslon Display',Georgia,serif;font-weight:400;font-size:30px;color:#263c2d;margin:4px 0}#altitude{font-size:9px;color:#3e503c}.map-footer{position:absolute;inset:auto 27px 20px 30px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.terrain-tag{font-size:9px;color:#334731;background:#e9eddbb5;backdrop-filter:blur(8px);border-radius:3px;padding:7px 9px}.terrain-tag i{margin-right:5px;background:#627948}.camera-dock{position:absolute;bottom:39px;left:calc(var(--side) + (100% - var(--side))/2);transform:translateX(-50%);display:flex;align-items:center;gap:3px;padding:7px 10px;background:#1d2b23ed;border:1px solid #ffffff22;box-shadow:0 8px 24px #19261b33;backdrop-filter:blur(14px);border-radius:7px;z-index:2;white-space:nowrap}.dock-label{font-size:8px;letter-spacing:1.3px;color:var(--gold);margin:0 12px 0 5px}.camera-dock button{height:30px;width:30px;font-size:20px;border-radius:3px}.camera-dock button:hover{background:#ffffff12}.dock-divider{width:1px;height:20px;background:#ffffff20;margin:0 8px}.dock-hint{font-size:9px;color:#b1baa8;margin-right:9px}.dock-hint span{margin:0 6px;color:#6e7d67}.landmark-label{position:absolute;top:0;left:0;pointer-events:auto;display:flex;align-items:center;white-space:nowrap;transform:translate(-50%,-100%);gap:6px;padding:6px 9px;border-radius:3px;color:#263c2c;background:#eff0dddf;box-shadow:0 1px 5px #23322422;border:1px solid #faf9eb99;font-size:9px;font-weight:500;transition:opacity .15s,background .15s;backdrop-filter:blur(4px)}.landmark-label:after{content:'';position:absolute;left:50%;top:100%;width:1px;height:18px;background:#334f38aa}.landmark-label:before{content:'';width:4px;height:4px;background:#637d52;border-radius:50%}.landmark-label.selected{background:#233b2e;color:#ede9ce;border-color:#d3b677}.landmark-label:hover{background:#fcf5db;color:#182b1b}.label-secondary{font-size:8px;background:#e9edd2b3;border-color:#eef1d266;letter-spacing:1.1px;text-transform:uppercase}.label-secondary:after{display:none}.label-secondary:before{display:none}#loading,#error{position:absolute;inset:0;background:#23332a;z-index:9;display:flex;align-items:center;justify-content:center;flex-direction:column}.load-mark{font-family:Georgia,serif;font-size:60px;color:var(--gold);margin-bottom:20px}#loading p{font-size:12px;color:#b4bfac}progress{height:3px;width:180px;accent-color:var(--gold)}#loading[hidden],#error[hidden]{display:none}#error{padding:40px;text-align:center}#error p{font-size:13px;max-width:400px}#error button{border:1px solid var(--gold);padding:10px 20px;margin-top:20px}dialog{position:fixed;background:#f0f0e5;color:#243629;border:0;border-radius:8px;padding:42px;width:min(880px,90vw);max-height:88dvh;box-shadow:0 30px 100px #09190e88}dialog::backdrop{background:#122219a8;backdrop-filter:blur(6px)}dialog .eyebrow{color:#748055;font-size:9px}dialog h2{font-family:'Libre Caslon Display',Georgia,serif;font-size:42px;font-weight:400;margin:12px 0 15px}.close{position:absolute;right:16px;top:12px;font-size:25px;color:#3d503b;width:35px;height:35px}.dialog-intro{font-size:13px;line-height:1.6;max-width:650px;color:#5a6754}.source-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:32px}.source-grid article{border-top:1px solid #445b3c2a;padding-top:18px}.source-type{font-size:8px;letter-spacing:1.3px;color:#78875f}.source-grid h3{font-family:'Libre Caslon Display',Georgia,serif;font-size:25px;font-weight:400;margin:10px 0}.source-grid p{font-size:11px;line-height:1.7;color:#5c6853}.source-grid a{font-size:10px;line-height:1.5;color:#486d40;display:block;text-decoration:none;margin-top:9px}.source-grid a:hover{text-decoration:underline}.source-grid small{font-size:9px;color:#7d856f;display:block;line-height:1.5;margin-top:10px}.source-bottom{border-top:1px solid #445b3c2a;padding-top:16px;margin-top:26px;font-size:9px;color:#7d856f}#help-dialog{max-width:550px}dl{display:grid;grid-template-columns:110px 1fr;gap:20px 15px;margin:30px 0;font-size:12px}dt{font-weight:600}dd{margin:0;color:#5c6853;line-height:1.6}#help-dialog p{font-size:11px;line-height:1.7;color:#74805f}#mobile-panel{display:none}@media(min-height:950px){.intro{padding-top:45px}.explore{margin-top:40px}.view-button{padding-block:14px}.layers{padding-block:24px}.landmark-card{padding-top:28px}}@media(max-height:780px) and (min-width:761px){.sidebar{padding-top:18px}.intro{padding-top:23px}h1{font-size:50px}.status{margin-top:12px}.explore{margin-top:23px}.view-button{padding-block:9px}.layers{margin-top:13px;padding-block:13px}.landmark-card{padding-top:16px}.landmark-card p{font-size:9px}.landmark-card h3{font-size:21px}.dock-hint{display:none}}@media(max-width:1100px){:root{--side:285px}.sidebar{padding-inline:20px}.dock-hint{display:none}.map-top .eyebrow{display:none}.map-top{justify-content:flex-end}h1{font-size:54px}}@media(max-width:760px){:root{--side:0px}#app{min-height:400px}#viewport{inset:0}.sidebar{width:100%;top:70px;bottom:0;transform:translateY(100%);transition:transform .25s;z-index:5;padding:23px 28px 90px}.sidebar.open{transform:translateY(0)}.intro{padding-top:25px}h1{font-size:52px}.view-buttons{grid-template-columns:1fr 1fr}.view-button{padding:10px 5px}.view-button small{font-size:8px}.view-button b{display:none}.map-top{top:18px;right:18px;left:18px}.compass{right:20px;top:65px}#view-caption{left:20px;bottom:145px}#view-caption strong{font-size:26px}.map-footer{left:20px;right:20px;bottom:105px}.terrain-tag{font-size:8px}.camera-dock{bottom:55px}.dock-label{font-size:8px}.landmark-label{font-size:8px;padding:5px 7px}.label-secondary{font-size:7px}#mobile-panel{display:flex;position:fixed;inset:auto 0 0;z-index:6;width:100%;background:#1c2a22;padding:16px 22px;font-size:11px;justify-content:space-between;letter-spacing:.5px;border-top:1px solid #cfb77b55}.source-grid{grid-template-columns:1fr}dialog{padding:30px 23px}dialog h2{font-size:35px}.quiet{font-size:9px}.view-button>span:nth-child(2){font-size:10px}.brand{font-size:10px}.sidebar-footer{margin-top:15px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.source-image{display:block;width:100%;max-height:210px;object-fit:cover;object-position:center 50%;margin:12px 0 8px;border:1px solid #d6d0bc;border-radius:3px}.farm-view .view-icon{color:#b5a578}

.source-image.fence-legend{object-fit:contain;max-height:none}

.troop-study-link{display:block;position:relative;margin-top:24px;padding:14px 28px 14px 12px;border:1px solid #cfb77b55;border-radius:4px;color:#d9c38e;text-decoration:none}.troop-study-link span{display:block;font-size:12px}.troop-study-link small{display:block;font-size:9px;line-height:1.5;color:#9eac95;margin-top:5px}.troop-study-link b{position:absolute;right:12px;top:16px;font-size:14px;font-weight:400}.troop-study-link:hover{background:#ffffff08}

.assembly-button{display:flex;justify-content:space-between;gap:10px;width:100%;font-size:10px;text-align:left;color:#d8c18b;padding:13px 3px 0}.unit-map-label{position:absolute;transform:translateY(-50%);pointer-events:auto;padding:4px 6px;background:#f2ecdde8;border-radius:2px;border-left:3px solid #315a90;color:#294a6f;font-size:9px;font-weight:600;white-space:nowrap;box-shadow:0 1px 4px #1b291b33}.unit-map-label.confederate{border-color:#a23e36;color:#8e352e}.unit-map-label[hidden],#assembly-legend[hidden],#assembly-close-note[hidden]{display:none}#assembly-legend{position:absolute;left:28px;top:75px;background:#f1efdfed;color:#324831;padding:11px 13px;border:1px solid #f9f4e2;border-radius:4px;max-width:310px;pointer-events:none;box-shadow:0 2px 10px #344d2922}#assembly-legend strong{font-size:8px;letter-spacing:1.2px;display:block}#assembly-legend span{display:flex;align-items:center;gap:7px;margin:7px 0;font-size:10px}#assembly-legend i{display:inline-block;width:20px;height:4px;background:#315a90}#assembly-legend i.confederate-key{background:#a23e36;margin-left:12px}#assembly-legend small{display:block;font-size:8px;line-height:1.5;max-width:240px}#assembly-close-note{margin-top:8px;color:#7f582f}@media(max-width:760px){#assembly-legend{top:67px;left:18px;max-width:250px}.unit-map-label{font-size:8px;padding:3px 5px}}

.unit-map-leaders{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}