@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Libre+Caslon+Display&display=swap');
:root{--ink:#183440;--muted:#61767d;--teal:#087e80;--line:#dce5e7;--paper:#fff;--soft:#f3f7f8;--font:'DM Sans',system-ui,sans-serif;--header:72px;--sidebar:312px;--details:320px;--shadow:0 3px 16px #14384416}
*{box-sizing:border-box}html,body{height:100%;overflow:hidden}body{margin:0;font:14px/1.5 var(--font);color:var(--ink);background:#e9f0f2}button,input,select,textarea{font:inherit;color:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button{border:0}button:disabled{cursor:default;opacity:.42}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #ce8b3f;outline-offset:3px}button:hover:not(:disabled){filter:brightness(.97)}[hidden]{display:none!important}.ui-icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex:none}kbd{font:12px var(--font);border:1px solid #cad6d9;border-radius:4px;padding:0 5px;background:#fff;color:#71878b}input::placeholder,textarea::placeholder{color:#7b8e94}
.topbar{height:var(--header);display:flex;align-items:center;gap:24px;padding:0 22px;background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:30}.brand{display:flex;align-items:center;gap:10px;min-width:204px;color:var(--ink);text-decoration:none;font:31px/1 'Libre Caslon Display',Georgia,serif}.brand small{display:block;font:600 9px/1.5 var(--font);letter-spacing:1.45px;margin-top:5px;color:#61767d}.brandmark{height:39px;width:39px;background:#183c47;color:white;display:grid;place-items:center;border-radius:50%}.brandmark .ui-icon{width:29px;height:29px;stroke-width:1.15}.topbar nav{display:flex;height:100%;gap:6px;flex:none;align-items:center}.navtab{height:40px;padding:0 13px;background:none;color:#687d84;font-weight:550;border-radius:7px;white-space:nowrap}.navtab.active{background:#e8f3f2;color:#076e70}.global-search{position:relative;margin-left:auto;width:min(100%,400px);min-width:160px}.searchbox{display:flex;align-items:center;gap:10px;height:42px;background:#f3f6f7;border:1px solid #dce5e7;border-radius:7px;padding:0 12px}.searchbox:focus-within{background:#fff;border-color:#087e80;box-shadow:0 0 0 3px #087e8011}.searchbox>.ui-icon{color:#668189;width:18px}.searchbox input{background:none;border:0;outline:none;min-width:0;width:100%;height:100%;font-size:14px}.searchbox input:focus-visible{outline:none}.searchbox button{display:grid;place-items:center;background:none;padding:2px}.searchbox button .ui-icon{width:16px}.header-tools{display:flex;gap:5px;flex:none}.iconbtn{width:38px;height:38px;display:grid;place-items:center;border-radius:7px;background:transparent;color:#526e78}.iconbtn:hover{background:#edf4f4}.search-results{position:absolute;top:50px;left:0;right:0;max-height:min(520px,65dvh);overflow:auto;background:#fff;border:1px solid #d4e1e2;border-radius:10px;box-shadow:0 12px 32px #132f4926;padding:5px;z-index:40}.search-result{display:flex;flex-direction:column;width:100%;text-align:left;gap:3px;padding:12px;border-radius:5px;background:none}.search-result:hover,.search-result[aria-selected=true]{background:#eaf4f3}.search-result small{font-size:12px;color:var(--muted)}.search-empty{padding:16px;color:var(--muted);line-height:1.7}
.workspace{height:calc(100dvh - var(--header));display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);position:relative;isolation:isolate}.has-feature .workspace{grid-template-columns:var(--sidebar) minmax(0,1fr) var(--details)}.sidebar-collapsed .workspace{grid-template-columns:0 minmax(0,1fr)}.sidebar-collapsed.has-feature .workspace{grid-template-columns:0 minmax(0,1fr) var(--details)}.sidebar{min-width:0;display:flex;flex-direction:column;background:#fff;border-right:1px solid var(--line);z-index:8;overflow:hidden}.sidebar-collapsed .sidebar{visibility:hidden;pointer-events:none}.sidebar-head{display:flex;justify-content:space-between;align-items:center;padding:21px 20px 16px;gap:10px;flex:none}.eyebrow{font-size:11px;letter-spacing:1.5px;font-weight:650;color:#70878d}.sidebar h1{font:29px/1.1 'Libre Caslon Display',Georgia,serif;display:flex;align-items:center;gap:10px;margin:7px 0 0}.sidebar h1 span{font:650 11px/1.2 var(--font);background:#e8f2f1;color:#267572;border-radius:4px;padding:4px 5px}.sidebar-tabs{display:flex;gap:4px;padding:0 16px 14px;flex:none;border-bottom:1px solid var(--line)}.sidebar-tabs button{display:flex;align-items:center;justify-content:center;gap:7px;border-radius:6px;flex:1;background:#f3f6f7;color:#687d84;font-size:13px;font-weight:550;height:38px;white-space:nowrap}.sidebar-tabs button .ui-icon{width:16px;height:16px}.sidebar-tabs button.active{background:#173e4a;color:#fff}.sidebar-content{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:16px 20px 24px;scrollbar-width:thin;scrollbar-color:#c3d2d5 transparent}.sidebar-footer{font-size:12px;line-height:1.4;padding:13px 18px;color:#687f86;border-top:1px solid var(--line);background:#f9fbfb;flex:none}.section-label{display:flex;align-items:center;justify-content:space-between;font-size:11px;letter-spacing:1.3px;font-weight:650;color:#6c8389;margin:9px 0 8px}.section-label .textbtn{font-size:12px;letter-spacing:0}.textbtn{background:none;color:#08787b;padding:4px 0;font-size:13px}.textbtn:hover{text-decoration:underline}.region-select{width:100%;height:42px;background:#f7f9fa;border:1px solid #d8e2e5;border-radius:6px;padding:0 9px;font-size:13px;margin-bottom:12px;min-width:0}.layer-group{border-bottom:1px solid #e6edef;padding:0}.layer-group summary{display:flex;align-items:center;gap:10px;list-style:none;font-size:14px;font-weight:600;cursor:pointer;padding:16px 0;line-height:1.3}.layer-group summary::-webkit-details-marker{display:none}.layer-group summary:after{content:'';margin-left:auto;width:6px;height:6px;border-right:1.5px solid #84999f;border-bottom:1.5px solid #84999f;transform:rotate(-45deg);flex:none}.layer-group[open] summary:after{transform:rotate(45deg)}.group-icon{font-size:18px;color:#537c86;width:21px;display:inline-block;text-align:center;line-height:1}.layer-group[open]{padding-bottom:12px}.layer-row{display:flex;align-items:center;gap:9px;min-height:42px;padding:6px 0;cursor:pointer;font-size:13px;line-height:1.35}.layer-row>span{flex:1;display:flex;align-items:center;gap:9px}.layer-row small{font-size:11px;color:#819299;font-variant-numeric:tabular-nums}.layer-row input[type=checkbox]{appearance:none;width:34px;height:20px;flex:none;border-radius:12px;background:#d4dfe2;margin:0;position:relative;cursor:pointer}.layer-row input:before{content:'';width:14px;height:14px;border-radius:50%;position:absolute;left:3px;top:3px;background:#fff;box-shadow:0 1px 2px #0002;transition:transform .15s}.layer-row input:checked{background:#0d8182}.layer-row input:checked:before{transform:translateX(14px)}.swatch{width:7px;height:7px;display:inline-block;flex:none;background:var(--swatch);border-radius:2px}.range-control{padding:8px 0 13px}.range-control label{display:flex;justify-content:space-between;font-size:13px;color:#637b83}.range-control input{width:100%;accent-color:#087e80;margin-top:12px}.layer-sub{padding:8px 0}.layer-sub select{width:100%;padding:8px;border-radius:5px;border:1px solid #d8e2e5;background:#fff;font-size:13px}.subheading{font-size:11px;letter-spacing:1px;color:#698289;font-weight:650;margin:23px 0 11px}.pack-grid{display:grid;gap:7px;grid-template-columns:1fr 1fr}.pack-button{background:#f3f7f8;border:1px solid #e1e9eb;border-radius:6px;font-size:12px;padding:10px;text-align:left;line-height:1.5}.pack-button:hover{border-color:#72a4a5}.terrain-destinations{display:flex;gap:6px;flex-wrap:wrap}.terrain-destinations button{font-size:12px;padding:8px;background:#f2f6f7;border-radius:5px}.small-note{font-size:12px;line-height:1.7;color:#71858d}.sidebar-content>.small-note:last-child{padding-top:10px;border-top:1px solid var(--line);margin-top:20px}
.map-shell{position:relative;min-width:0;overflow:hidden;background:#dfebf0}#globe{position:absolute;inset:0 0 34px}.map-top{position:absolute;top:16px;left:16px;right:16px;display:flex;gap:8px;align-items:center;pointer-events:none;z-index:3;flex-wrap:wrap}.map-top>*{pointer-events:auto}.tool-button{height:40px;padding:0 12px;background:#fffffff5;border:1px solid #fff;border-radius:7px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:550;box-shadow:var(--shadow);white-space:nowrap}.tool-button>.ui-icon:last-child:not(:first-child){width:13px;height:13px}.basemap-control,.terrain-control{position:relative}.projection-control{background:#fffffff5;box-shadow:var(--shadow);display:flex;border:1px solid white;padding:3px;border-radius:7px;height:40px}.projection-control button{padding:0 11px;border-radius:4px;background:transparent;color:#627c84;font-size:12px;font-weight:550;white-space:nowrap}.projection-control button.active{background:#173e4a;color:#fff}.terrain-control{margin-left:auto}.map-popover{position:absolute;top:48px;left:0;width:238px;border:1px solid #d9e4e5;background:#fff;border-radius:9px;box-shadow:0 10px 30px #163d4726;padding:8px;z-index:5}.popover-title{padding:8px;font-size:11px;font-weight:650;letter-spacing:1px;color:#6e858c}.view-pill{display:flex;align-items:center;gap:13px;width:100%;padding:11px 10px;background:none;border-radius:6px;text-align:left;font-size:14px}.view-pill.active{background:#e9f4f3;color:#086e70}.view-pill small{display:block;font-size:12px;color:#71878d;margin-top:2px}.style-color{display:block;width:32px;height:32px;border-radius:5px;border:1px solid #0001;flex:none}.style-color.physical{background:linear-gradient(135deg,#a4c9b1,#e0d5a4)}.style-color.political{background:linear-gradient(45deg,#d3b1a8 50%,#b2c8d5 50%)}.style-color.satellite{background:linear-gradient(135deg,#466d46,#173d56)}.style-color.elevation{background:linear-gradient(135deg,#538b7f,#d9c383,#aa9389,#fff)}.terrain-demo{left:auto;right:0;width:258px}.tour-item{display:flex;flex-direction:column;gap:3px;padding:12px;text-align:left;background:none;border-radius:5px;width:100%;font-size:14px;font-weight:550}.tour-item small{font-size:12px;font-weight:400;color:#748a90}.tour-item:hover{background:#edf5f4}.map-controls{position:absolute;right:16px;top:80px;display:flex;flex-direction:column;gap:10px;z-index:2}.control-stack{background:#fffffff5;border:1px solid #fff;border-radius:8px;box-shadow:var(--shadow);padding:3px;display:flex;flex-direction:column}.control-stack button{width:40px;height:40px;display:flex;align-items:center;justify-content:center;gap:1px;background:none;border-radius:5px;color:#234d5b;position:relative}.control-stack button+button{border-top:1px solid #e6edee;border-radius:0 0 5px 5px}.control-stack button:hover{background:#e7f1f1}.control-stack button .ui-icon{width:19px;height:19px}#tilt,#north{flex-direction:column;height:48px;font-size:10px;line-height:1.1;font-weight:650}#north{gap:4px}.north-arrow{color:#b46445;font-size:15px;line-height:1}#tilt .ui-icon{width:24px;height:24px}.bottom-tools{position:absolute;bottom:70px;left:16px;display:flex;gap:6px;z-index:2}.pill{display:flex;align-items:center;gap:7px;background:#fffffff5;border:1px solid white;box-shadow:var(--shadow);border-radius:6px;padding:9px 11px;font-size:13px;white-space:nowrap}.pill>.ui-icon{width:17px;height:17px}.pill.active{background:#e6f4f2;border-color:#9ec7c3;color:#087577}.map-status{position:absolute;right:16px;bottom:76px;font-size:11px;color:#365f6a;background:#ffffffd9;padding:5px 9px;border-radius:5px;pointer-events:none}.coordbar{position:absolute;left:0;right:0;bottom:0;height:34px;display:flex;align-items:center;gap:16px;background:#f9fbfc;border-top:1px solid #d5e0e4;padding:0 13px;font-size:11px;color:#6c848c;white-space:nowrap;font-variant-numeric:tabular-nums;overflow:hidden}.coordbar button{background:none;padding:0;color:inherit;font-size:inherit}.coordbar button:hover{color:#087e80}.coordbar>span:last-child{margin-left:auto}.cesium-viewer-bottom{bottom:6px!important;left:10px!important;right:8px;font-size:9px!important}.cesium-credit-logoContainer img{height:12px!important}.cesium-credit-textContainer{font-size:9px!important;background:#ffffffb8;color:#375b68!important;line-height:1.25!important}.cesium-widget-credits a{color:#375b68!important}.cesium-viewer-selectionIndicatorContainer{display:none}.map-loading{position:absolute;inset:0;background:#e5eef2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;z-index:10;color:#476c7c}.spinner{height:32px;width:32px;border:2px solid #bdd2d8;border-top-color:#087e80;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:absolute;bottom:122px;left:50%;transform:translateX(-50%);background:#133945f2;color:white;border-radius:8px;padding:12px 16px;max-width:420px;width:max-content;font-size:13px;line-height:1.6;box-shadow:var(--shadow);z-index:6}.elevation-legend{position:absolute;left:16px;bottom:122px;border:1px solid white;border-radius:6px;background:#fffffff2;padding:12px;width:220px;font-size:11px;color:#567983}.elevation-legend>div{height:9px;border-radius:3px;background:linear-gradient(90deg,#588b80,#a7b77f,#d2c187,#b38b60,#a18c83,#fffafa);margin:8px 0}.elevation-legend p{display:flex;justify-content:space-between;margin:0}.map-shell:fullscreen{height:100dvh}
.feature-panel{min-width:0;background:#fff;border-left:1px solid var(--line);padding:23px;overflow:auto;scrollbar-width:thin;z-index:9}.feature-panel .close{display:grid;place-items:center;width:30px;height:30px;float:right;background:#f0f5f6;border-radius:6px;font-size:23px;color:#5f7a83}.feature-kind{font-size:11px;text-transform:uppercase;letter-spacing:1.3px;color:#718992;padding:6px 0;max-width:85%}.feature-panel h2{font:32px/1.1 'Libre Caslon Display',Georgia,serif;margin:17px 0 10px;overflow-wrap:anywhere}.feature-panel p{font-size:13px;line-height:1.7;color:#617d87}.feature-country{margin:0;color:#08787a!important;font-weight:500}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:22px 0}.stat{padding:12px;background:#f2f7f8;border-radius:6px}.stat small{display:block;font-size:10px;color:#6e8991;line-height:1.5;letter-spacing:.2px}.stat strong{display:block;font-size:14px;margin-top:5px;font-weight:550}.feature-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:20px 0}.feature-actions button{padding:10px 6px;border:1px solid #d4e2e4;border-radius:5px;background:#fff;font-size:12px}#terrain-feature{background:#183e4b;color:#fff;border-color:#183e4b}#share-feature{grid-column:1/-1}.feature-link{font-size:12px;color:#08797d;text-decoration:none}.feature-link:hover{text-decoration:underline}.feature-panel .small-note{font-size:12px}.feature-panel textarea{width:100%;min-height:90px;border:1px solid #d4e1e4;border-radius:6px;padding:11px;background:#fafcfc;resize:vertical;font-size:13px;line-height:1.6}.directory-intro{font-size:13px;color:#6c838b;margin-bottom:16px;line-height:1.6}.directory-search input{width:100%;height:40px;border:1px solid #d8e2e5;border-radius:6px;padding:0 10px;background:#fafcfc;font-size:14px}.directory-scope{display:flex;align-items:center;gap:7px;margin:13px 0;color:#607e87;font-size:12px}.directory-scope input{accent-color:#087e80;width:15px;height:15px}.directory-count{font-size:12px;color:#7d9198;margin:18px 0 9px}.directory-item{display:flex;gap:10px;align-items:center;width:100%;padding:13px 6px;text-align:left;background:none;border-bottom:1px solid #e9eff1;border-radius:5px;font-size:14px}.directory-item:hover,.directory-item[aria-current=true]{background:#edf6f4}.directory-item small{display:block;font-size:11px;color:#789097;margin-top:3px}.directory-dot{width:7px;height:7px;flex:none;border-radius:2px}.directory-locate{margin-left:auto;color:#80a4a6;font-size:19px}.show-more{width:100%;padding:11px;background:#eef5f5;border-radius:6px;margin:16px 0;font-size:13px}.primary{background:#163d4a;color:white;border-radius:6px;padding:12px 15px;width:100%;font-size:14px}.practice-card{padding:17px;border:1px solid #dce7e9;background:#f4f8f8;border-radius:8px;margin:12px 0 22px}.practice-card h3{font-size:16px;line-height:1.45;margin:10px 0}.practice-card p{font-size:13px;color:#69808a;line-height:1.65}.practice-option{display:block;width:100%;padding:12px;text-align:left;border:1px solid #d4e1e4;border-radius:6px;background:white;margin:8px 0;font-size:14px}.practice-option.correct{background:#e5f3e9;border-color:#67a380}.practice-option.wrong{background:#fae9e6;border-color:#c88977}.practice-option:disabled{opacity:1}.coverage-tag{font-size:12px;background:#fbefdc;color:#966736;border-radius:4px;padding:4px 7px}.label-count{font-size:12px;color:#72918f;margin-left:auto}dialog{width:min(670px,calc(100vw - 32px));max-height:85dvh;padding:30px;border:1px solid #d4e1e4;border-radius:12px;box-shadow:0 25px 80px #18374340;color:var(--ink);overflow:auto}dialog::backdrop{background:#143c4c60;backdrop-filter:blur(3px)}.modal-close{float:right}dialog h2{font:34px 'Libre Caslon Display',Georgia,serif;margin:0 0 16px}dialog h3{font-size:16px;margin-top:25px}dialog p{color:#65808b;line-height:1.7;font-size:14px}dialog a{color:#087e80}.modal-list{display:grid;gap:9px}.modal-list>a,.modal-list>button{display:block;text-decoration:none;text-align:left;padding:14px;background:#f1f7f7;border:1px solid #e0eaeb;border-radius:6px;font-size:14px}.modal-list small{display:block;color:#6b838b;margin-top:5px;font-size:12px;line-height:1.7}.coordinate-inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.coordinate-inputs input{width:100%;margin-top:7px;padding:11px;border-radius:5px;border:1px solid #cadce0}.share-input{width:100%;padding:12px;border:1px solid #d0e0e2;border-radius:5px}.help-table{width:100%;border-collapse:collapse}.help-table th,.help-table td{padding:13px 4px;text-align:left;border-bottom:1px solid #e5edef;font-size:14px}.help-table td{color:#69838c}.sidebar-backdrop{display:none}
@media(min-width:1500px){:root{--sidebar:328px;--details:344px}.topbar{gap:36px;padding:0 26px}.sidebar-head{padding:25px 24px 20px}.sidebar-content{padding:18px 24px 24px}.global-search{width:440px}.brand{min-width:250px}}
@media(max-width:1150px){:root{--sidebar:280px;--details:290px}.topbar{gap:15px;padding:0 16px}.brand{min-width:175px;font-size:28px}.brand small{font-size:8px;letter-spacing:1.1px}.brandmark{width:33px;height:33px}.brandmark .ui-icon{width:25px;height:25px}.navtab{padding:0 9px;font-size:13px}.header-tools{gap:0}.global-search{max-width:330px}.searchbox{padding:0 9px;gap:7px}.searchbox input{font-size:13px}.searchbox kbd{display:none}.sidebar-content{padding:14px 16px 22px}.sidebar-head{padding:20px 16px 15px}.sidebar-tabs{padding-left:12px;padding-right:12px}.terrain-control{margin-left:0}.map-top{gap:6px;left:12px;right:12px;top:12px}.tool-button{padding:0 10px}.has-feature .map-top .tool-button>span{display:none}.has-feature .map-status{display:none}.map-controls{top:108px;right:12px}.feature-panel{padding:19px}.coordbar{gap:10px}.coordbar>span:last-child{display:none}}
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/* Study explorer: clear hierarchy with controls kept beside their layer. */
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/* Dark atlas theme. Raster legends retain source colours for accurate reading. */
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html,body,.workspace,.has-feature .workspace,.sidebar-collapsed .workspace,.sidebar-collapsed.has-feature .workspace{height:100dvh}.workspace,.has-feature .workspace,.sidebar-collapsed .workspace,.sidebar-collapsed.has-feature .workspace{display:block;position:absolute;inset:0}.map-shell{position:absolute;inset:0;background:#060f19}#globe{inset:0!important}.topbar{position:fixed;z-index:25;top:20px;left:24px;right:24px;height:50px;padding:0;display:flex;gap:25px;background:transparent;border:0;pointer-events:none}.topbar>*{pointer-events:auto}.brand{min-width:145px;font-size:26px;letter-spacing:.2px;color:#deedf4;gap:9px;text-shadow:0 2px 12px #0007}.brand small{display:none}.brandmark{width:32px;height:32px;background:transparent;border:1px solid #b6cddd40;color:#c7e6e6}.brandmark .ui-icon{width:24px;height:24px}.topbar nav{position:static;display:flex;align-items:center;gap:3px;height:42px;border:1px solid var(--glass-line);border-radius:24px;background:#0b1c28a6;padding:4px;backdrop-filter:blur(18px)}.navtab{height:32px;padding:0 15px;border-radius:20px;font-size:12px;font-weight:500;color:#90abbc}.navtab.active{background:#577d8c36;color:#d5ecf5}.global-search{order:0;margin:0 auto;width:420px;max-width:480px;min-width:140px}.searchbox{height:46px;background:#0a1d2baa;border:1px solid #a3c4d72b;border-radius:25px;padding:0 17px;backdrop-filter:blur(22px);box-shadow:0 5px 30px #0002;transition:border-color .2s,background .2s}.searchbox:focus-within{background:#0d2232ee;border-color:#94bec26b;box-shadow:0 0 0 3px #83bec20a}.searchbox input{font-size:13px;color:#dfedf3}.searchbox input::placeholder{color:#8aa2b5}.searchbox>.ui-icon{color:#8eb2c8;width:17px}.searchbox kbd{background:#2c455052;border-color:#89a3b426;color:#7993a4;font-size:11px}.search-results{top:54px;border-radius:17px;background:#0c2130f2;border-color:#4461706b;backdrop-filter:blur(25px)}.header-tools{display:flex;gap:3px;background:#10232d64;border-radius:22px;padding:3px;backdrop-filter:blur(12px)}.header-tools .iconbtn{height:33px;width:33px;color:#9ebccc}.header-tools .iconbtn:hover{background:#52778833}.header-tools .ui-icon{width:18px;height:18px}.map-top{top:auto;bottom:29px;left:50%;right:auto;transform:translateX(-50%);width:max-content;max-width:calc(100% - 220px);flex-wrap:nowrap;gap:3px;z-index:12;align-items:center;padding:5px;background:#0b1d2bd9;border:1px solid #60839a3b;border-radius:30px;backdrop-filter:blur(22px);box-shadow:0 10px 35px #0005}.map-top .tool-button{height:38px;border:0;background:transparent;border-radius:22px;box-shadow:none;padding:0 12px;font-size:12px;font-weight:500;color:#a6c2d1;gap:7px}.map-top .tool-button:hover{background:#537a8b24}.map-top .tool-button .ui-icon{width:17px;height:17px}.map-top #mobile-layers{color:#ddedf2}.projection-control{height:36px;background:#56747e19;border:0;border-radius:22px;box-shadow:none;padding:3px;margin:0}.projection-control button{font-size:11px;color:#8ca9bc;padding:0 13px;border-radius:18px;font-weight:500}.projection-control button.active{background:#486b7866;color:#d6f0f2}.terrain-control{position:relative;top:auto;left:auto;margin:0}.terrain-control .tool-button{border:0}.map-popover{top:auto;bottom:58px;background:#0e2232f5;border-color:#55758652;border-radius:15px;box-shadow:0 15px 50px #0008;backdrop-filter:blur(22px);padding:8px}.terrain-demo{left:auto;right:0}.popover-title{display:none}.view-pill{border-radius:9px;font-size:12px}.view-pill small,.tour-item small{font-size:10px;color:#8aa9b9}.view-pill.active{background:#30514f8c;color:#d3f0e7}.tour-item{font-size:12px;border-radius:10px}.tour-item:hover{background:#23455688}.map-controls{right:25px;top:auto;bottom:110px;gap:9px;z-index:11}.control-stack{border:1px solid #6990a22e;background:#0b2130b8;backdrop-filter:blur(20px);border-radius:25px;box-shadow:none;padding:5px}.control-stack button{width:34px;height:36px;border-radius:20px;color:#a9c9d7;background:transparent}.control-stack button+button{border:0}.control-stack button:hover{background:#42708544}.control-stack button .ui-icon{height:16px;width:16px}#north,#tilt{height:39px;font-size:8px;gap:1px}#tilt .ui-icon{width:18px;height:18px}.north-arrow{font-size:13px;color:#d7a689}.bottom-tools{left:24px;bottom:31px;gap:4px;z-index:10;padding:4px;background:#0b1d2baa;border:1px solid #6c8d9f26;border-radius:24px;backdrop-filter:blur(20px)}.bottom-tools .pill{background:transparent;border:0;box-shadow:none;border-radius:20px;height:35px;width:35px;padding:9px;color:#93b8c8}.bottom-tools .pill span{display:none}.bottom-tools .pill.active{background:#42676e50;color:#b9e6df}.coordbar{height:auto;left:24px;bottom:88px;right:auto;padding:0;background:transparent;border:0;gap:12px;font-size:10px;line-height:1.5;color:#6e8fa5;pointer-events:none;text-shadow:0 1px 8px #000}.coordbar button{pointer-events:auto}.coordbar>span:last-child{display:none}.map-status{right:25px;bottom:85px;font-size:9px;padding:0;color:#64899e;background:none}.map-status>span{background:transparent}.cesium-viewer-bottom{bottom:5px!important;left:20px!important;max-width:calc(100% - 40px);opacity:.65;font-size:8px!important}.cesium-credit-logoContainer,.cesium-credit-textContainer{background:transparent!important}.cesium-credit-logoContainer img{height:9px!important}.cesium-credit-textContainer{font-size:8px!important}.sidebar{position:absolute;top:88px;left:22px;bottom:107px;width:328px;z-index:20;border:1px solid #789cae30;border-radius:20px;background:#0e2130f2;box-shadow:0 18px 70px #0005;backdrop-filter:blur(24px);visibility:visible;transform:none;pointer-events:auto;transition:opacity .2s,transform .2s}.sidebar-collapsed .sidebar{opacity:0;transform:translateX(-18px);visibility:hidden;pointer-events:none}.sidebar.open~.map-shell{pointer-events:auto}.sidebar-head{padding:18px 19px 13px;background:transparent}.sidebar-head .eyebrow,.sidebar-head h1 span{display:none}.sidebar h1{font:500 17px var(--font);margin:0;color:#d2e6ed}.sidebar-head .iconbtn{width:28px;height:28px;color:#90aebf}.sidebar-tabs{padding:0 13px 12px;background:transparent;border-color:#7695a528}.sidebar-tabs button{height:33px;font-size:11px;background:#213b4d65;border-radius:10px}.sidebar-tabs button.active{background:#375c6573;color:#d3eeed}.sidebar-content{padding:15px 17px 25px}.sidebar-footer{background:#0a1c2880;border-color:#5170852f;padding:10px 17px;font-size:10px;color:#7e9bb0}.explorer-intro{display:none}.layer-group{border-color:#66869524}.layer-group summary{font-size:12px;padding:14px 0}.layer-row input[type=checkbox]{width:29px;height:17px;background:#304754}.layer-row input:before{width:11px;height:11px;background:#a1b7c1;top:3px;left:3px}.layer-row input:checked{background:#497c77}.layer-row input:checked:before{transform:translateX(12px);background:#d1ede5}.layer-meta>span{font-size:9px}.layer-meta .textbtn{font-size:9px;color:#6d9fac}.layer-search{background:#18313f66;border-color:#6c8e9f35;border-radius:10px;font-size:12px}.region-select{background:#142b3b;border-color:#6b8b9c30;border-radius:10px;font-size:12px;height:38px}.study-quick button{background:#2342515c;border-color:#6a879926;border-radius:10px;font-size:10px}.active-layer-strip{font-size:10px}.feature-panel{position:absolute;top:88px;right:22px;left:auto;bottom:107px;width:320px;min-height:0;max-height:none;z-index:20;background:#0d2231f2;border:1px solid #7696a633;border-radius:20px;backdrop-filter:blur(24px);box-shadow:0 18px 70px #0006;padding:20px}.feature-panel p,.practice-card p,dialog p{color:#92afbf}.feature-panel h2{font-size:30px}.has-feature .map-controls{right:365px}.has-feature .bottom-tools,.has-feature .coordbar,.has-feature .elevation-legend{visibility:visible}.has-feature .map-top .tool-button>span{display:initial}.has-feature .map-status{display:none}.sidebar-backdrop{display:none!important}.map-loading{background:#061320;color:#9cbdd0}.spinner{border-color:#224053;border-top-color:#9ad3d0}.toast{bottom:102px;background:#183543ee;border:1px solid #6f969c42;color:#cfebef;border-radius:14px;font-size:12px}.comparison-labels{top:88px;left:30px;right:80px;justify-content:center;gap:35px}.comparison-labels span{background:#0a2132bf;border:1px solid #66879e33;border-radius:20px;padding:7px 15px}.comparison-handle{top:123px;bottom:112px}.map-legends{right:87px;bottom:110px;background:#0b2130e8;border-color:#60809b33;border-radius:13px;padding:6px;max-width:270px}.map-legends img{max-width:248px}.raster-status{left:25px;bottom:109px;background:#0b2032b0;color:#94b7c7;font-size:9px;max-width:60%;padding:4px 7px;border-radius:8px}.elevation-legend{left:25px;bottom:113px;background:#0d2736d9;border-color:#65899b3f;color:#9fbdcb;border-radius:11px}.searchbox input:focus-visible{outline:none}.iconbtn:hover{background:#3556674d}dialog{background:#102637;border:1px solid #7595a742;border-radius:21px;box-shadow:0 30px 130px #0009}dialog a{color:#8bccd8}
@media(max-width:1150px){.topbar{gap:14px;left:20px;right:20px}.brand{min-width:120px;font-size:23px}.global-search{width:340px}.topbar nav{flex:none}.navtab{padding:0 10px;font-size:11px}.header-tools{gap:0}.header-tools .iconbtn{width:29px}.map-top{max-width:calc(100% - 210px)}.map-top .tool-button{padding:0 10px}.map-top .terrain-control .tool-button>span{display:none}.map-controls{right:20px}.sidebar{left:18px}.map-legends{right:80px}}
@media(max-width:820px){.topbar{top:14px;left:15px;right:15px;height:46px;display:flex;gap:10px;padding:0}.brand{min-width:0;font-size:0;gap:0}.brandmark{width:29px;height:29px}.brandmark .ui-icon{width:22px;height:22px}.global-search{order:0;flex:1;grid-column:auto;grid-row:auto;width:auto;margin:0;max-width:none}.searchbox{height:43px;padding:0 13px}.searchbox input{font-size:12px}.topbar nav{position:fixed;left:50%;right:auto;top:70px;transform:translateX(-50%);width:max-content;height:37px;gap:2px;background:#0b1e2b9e;padding:3px;grid-column:auto;grid-row:auto}.navtab{height:29px;padding:0 15px;font-size:11px;flex:none}.header-tools{padding:3px;background:transparent;backdrop-filter:none;grid-column:auto;grid-row:auto}.header-tools #sources-button,.header-tools #help-button{display:none}.header-tools .iconbtn{width:27px;height:31px}.map-top{left:50%;bottom:29px;right:auto;top:auto;width:max-content;max-width:calc(100% - 24px);gap:1px;padding:4px;border-radius:28px;flex-wrap:nowrap;transform:translateX(-50%)}.map-top .tool-button{height:36px;padding:0 10px;font-size:11px;gap:6px}.map-top #mobile-layers>span{display:initial}.map-top .basemap-control .tool-button>span{display:none}.projection-control{height:34px;margin:0}.projection-control button{padding:0 10px;font-size:10px}.terrain-control{position:relative;top:auto;left:auto}.terrain-control .tool-button{border:0}.terrain-control .tool-button>span{display:none}.terrain-demo{left:auto;right:0}.map-popover{top:auto;bottom:54px;max-width:calc(100vw - 40px)}.basemap-control .map-popover{left:-50px}.map-controls{right:13px;bottom:103px;top:auto;gap:8px}.control-stack{padding:3px}.control-stack button{width:30px;height:34px}.map-controls #fullscreen{display:none}#north,#tilt{height:36px}.bottom-tools{left:13px;bottom:103px;flex-direction:column;gap:0;padding:3px;border-radius:22px}.bottom-tools .pill{width:31px;height:32px;padding:8px}.bottom-tools .pill>.ui-icon{width:15px;height:15px}.coordbar{bottom:85px;left:15px;gap:8px;font-size:8px;flex-wrap:nowrap;line-height:1.3}.coordbar #elevation{display:none}.map-status{display:none}.sidebar{top:118px;left:12px;bottom:88px;width:min(328px,calc(100vw - 24px));max-width:calc(100vw - 24px);transform:none;visibility:hidden;pointer-events:none;opacity:0;z-index:22}.sidebar.open,.sidebar-collapsed .sidebar.open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.sidebar-head{padding:14px 16px 10px}.sidebar h1{font-size:16px}.sidebar-content{padding:12px 16px 20px}.sidebar-tabs{padding:0 12px 10px}.sidebar.open~.map-shell{pointer-events:auto}.feature-panel{left:12px;right:12px;top:auto;bottom:88px;width:auto;max-height:43dvh;border-radius:17px;padding:16px}.has-feature #globe{inset:0!important}.has-feature .map-controls{right:13px;bottom:calc(43dvh + 101px)}.has-feature .map-controls .control-stack+.control-stack{display:flex}.has-feature .bottom-tools,.has-feature .coordbar{visibility:hidden}.has-feature .map-top #mobile-layers>span{display:initial}.feature-panel h2{font-size:26px}.feature-panel .close{position:sticky;top:0}.map-legends{right:54px;bottom:114px;max-width:210px;max-height:190px}.map-legends img{max-width:185px}.raster-status{left:56px;bottom:89px;max-width:75%;font-size:7px}.comparison-labels{top:115px;left:12px;right:12px;gap:10px}.comparison-labels span{font-size:8px;max-width:48%;padding:6px 9px}.comparison-handle{top:157px;bottom:105px}.elevation-legend{left:54px;bottom:112px;width:180px;padding:9px;font-size:9px}.cesium-viewer-bottom{left:10px!important;right:10px!important;max-width:calc(100% - 20px);font-size:7px!important;line-height:1.1!important}.cesium-credit-textContainer{font-size:7px!important}.toast{bottom:94px;border-radius:12px;font-size:11px;max-width:calc(100% - 30px)}dialog{padding:23px 19px;max-height:85dvh;border-radius:18px}}
@media(prefers-reduced-motion:reduce){.sidebar,.searchbox{transition:none}}
.sidebar-tabs{display:none!important}.map-top .tool-button.dock-selected{background:#4c79773b;color:#bce8df}.map-top #place-directory-button{color:#b5ced9}.topbar .global-search{flex:1}.map-top{max-width:calc(100% - 220px)}
@media(max-width:820px){.map-top{max-width:calc(100% - 24px)}.map-top #place-directory-button>span,.map-top #mobile-layers>span,.has-feature .map-top #mobile-layers>span{display:none}.map-top .tool-button{padding:0 11px}.map-top .terrain-control .tool-button>span{display:none}.map-top .projection-control button{padding:0 9px}}
/* Readability: comfortable control text and clear contrast. */
.topbar .navtab{font-size:13px;color:#b5c9d8}.topbar .navtab.active{color:#f1f9fc}.searchbox input{font-size:15px}.searchbox input::placeholder{color:#a9bdcc}.map-top .tool-button{font-size:14px;color:#c9dde7}.projection-control button{font-size:13px;color:#adc6d6}.projection-control button.active{color:#ecfcff}.sidebar .layer-group summary{font-size:14px}.sidebar .layer-entry .layer-row>span{font-size:14px;line-height:1.5}.sidebar .region-select,.sidebar .layer-search{font-size:14px}.sidebar .layer-meta>span{font-size:11px;color:#98b0c2}.sidebar .layer-meta .textbtn{font-size:11px;color:#9bc9d4}.sidebar .active-layer-strip{font-size:12px}.sidebar .study-quick button{font-size:12px}.sidebar .sidebar-footer{font-size:11px;color:#a3bac9}.label-size-setting{display:block;font-size:13px;color:#b7cbd5;margin-top:17px}.label-size-setting select{margin-top:7px}.coordbar{color:#a8c2d2;font-size:11px}.map-status{color:#9ebdcf}.feature-panel p,dialog p,.practice-card p{color:#b8ccd9}.map-top{max-width:calc(100% - 230px)}
@media(max-width:820px){.topbar .navtab{font-size:12px}.searchbox input{font-size:14px}.map-top{max-width:calc(100% - 24px)}.projection-control button{font-size:12px;padding:0 8px}.map-top .tool-button{padding:0 9px}.coordbar{font-size:9px}.map-top .terrain-control{display:none}.sidebar .layer-entry .layer-row>span{font-size:14px}}

.country-facts{margin:18px 0;display:grid;gap:0}.country-facts>div{padding:11px 0;border-bottom:1px solid #ffffff19}.country-facts dt{font-size:12px;color:#bdcdd7;margin-bottom:5px}.country-facts dd{margin:0;font-size:15px;line-height:1.55;color:#f4f9fc;font-weight:550}.country-facts+.small-note a{color:#70e9d0;text-decoration:underline}.feature-panel .small-note{line-height:1.5}

/* Paper map sheets keep the same searchable, clickable map engine. */
.book-map-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.book-map-choice{text-align:left;padding:22px 18px;border:1px solid #91a9b044;border-radius:8px;background:#233541;display:flex;flex-direction:column;gap:7px;color:#eaf4f6}.book-map-choice:hover{border-color:#76d4c1;background:#2b444c}.book-map-choice strong{font:26px Georgia,serif}.book-map-choice>span:last-child{font-size:13px;color:#b9cbd1}.book-map-number{font-size:11px;letter-spacing:2px;color:#73d7c3}
body.study-map-view{background:#eee9df}.study-map-view .map-shell{background:#f7f3e9}.study-map-view #globe{inset:135px 28px 126px;border:1px solid #919c9d;box-shadow:0 0 0 5px #f7f3e9,0 0 0 6px #a9b3b4}.study-map-view .map-controls{right:42px}.study-map-view .map-status{display:none}.study-map-view .brand{color:#233746;text-shadow:none}.study-map-view .coordbar{color:#334f59;text-shadow:none;bottom:98px;left:32px}.study-map-view .bottom-tools{bottom:25px}.study-map-view .cesium-credit-textContainer{color:#354a54!important;background:#f9f6edcc}.study-map-view .cesium-widget-credits a{color:#354a54!important}
#study-map-heading{position:absolute;top:82px;left:34px;right:34px;height:44px;display:flex;align-items:baseline;gap:18px;color:#1c3c4a;pointer-events:none}#study-map-heading>span{font-size:10px;letter-spacing:1.8px}#study-map-heading h1{font:35px/1 Georgia,serif;margin:0}#study-map-heading p{font:italic 18px Georgia,serif;margin:0;color:#536872}#study-map-heading button{margin-left:auto;pointer-events:auto;background:transparent;color:#315b62;font-size:12px;border-bottom:1px solid #7f999d;padding:4px 0}
#study-map-legend{position:absolute;bottom:82px;left:34px;right:34px;display:flex;align-items:center;gap:22px;height:24px;color:#334f59;font-size:12px}#study-map-legend strong{font-size:10px;letter-spacing:2px}#study-map-legend>span{display:flex;align-items:center;gap:7px}#study-map-legend i{display:inline-block;width:24px}.legend-border{border-top:2px solid #567277}.legend-state{border-top:1px solid #a98664}.legend-river{border-top:2px solid #3e92b9}.legend-capital{border-radius:50%;width:6px!important;height:6px;background:#bd6e38}#study-map-legend small{margin-left:auto;font-size:11px;color:#586f77}
@media(max-width:820px){.study-map-view #globe{inset:164px 12px 144px}#study-map-heading{top:111px;left:18px;right:18px;gap:10px}#study-map-heading>span{display:none}#study-map-heading h1{font-size:27px}#study-map-heading p{font-size:15px}#study-map-heading button{font-size:10px}#study-map-legend{left:18px;right:18px;bottom:95px;height:40px;flex-wrap:wrap;gap:8px 15px}#study-map-legend small{display:none}.study-map-view .coordbar{bottom:124px;left:16px}.study-map-view .map-controls{right:22px}.map-top{overflow-x:auto;justify-content:flex-start!important;max-width:calc(100% - 24px);scrollbar-width:none}.map-top>*{flex-shrink:0}.book-map-grid{grid-template-columns:1fr 1fr}.book-map-choice{padding:14px}}
.study-map-view #globe,.study-map-view.has-feature #globe{inset:135px 28px 126px!important}
@media(max-width:820px){.study-map-view #globe,.study-map-view.has-feature #globe{inset:164px 12px 144px!important}}

/* Study maps are a full-screen category, with controls floating over the map. */
.study-map-view #globe,.study-map-view.has-feature #globe{inset:0!important;border:0;box-shadow:none}.study-map-view .brand{color:#eff8fb;text-shadow:0 1px 5px #102b39}.study-map-view .map-shell{background:#dceff3}.study-map-view .map-controls{right:24px}.study-map-view.has-feature .map-controls{right:366px}.study-map-view .coordbar{bottom:84px;left:24px;color:#263e48;background:#fffaf0dc;padding:4px 8px;border-radius:4px;width:max-content;max-width:45%;text-shadow:none}.study-map-view .bottom-tools{bottom:24px}.study-map-view .map-top .projection-control,.study-map-view .map-top .terrain-control{display:none}.study-map-view .map-top{max-width:calc(100% - 230px)}
#study-map-heading{top:88px;left:24px;right:auto;height:auto;pointer-events:auto}#study-map-heading button{display:flex;align-items:center;gap:12px;margin:0;padding:11px 15px;border:1px solid #ffffff38;background:#122737ed;border-radius:22px;box-shadow:0 2px 12px #06203018;color:#ecf5f8;backdrop-filter:blur(12px)}#study-map-heading button strong{font-size:15px;font-family:Georgia,serif}#study-map-heading button span{font-size:13px;color:#d4e2e8}
#study-map-legend{left:auto;right:24px;bottom:24px;display:block;width:auto;height:auto;color:#e9f3f8;font-size:13px;z-index:5}#study-map-legend details{position:relative}#study-map-legend summary{cursor:pointer;list-style:none;padding:12px 17px;border-radius:24px;background:#122737ed;border:1px solid #ffffff38}#study-map-legend details>div{position:absolute;bottom:54px;right:0;display:flex;flex-direction:column;gap:15px;background:#142938f5;border:1px solid #ffffff28;padding:20px;border-radius:14px;width:210px;box-shadow:0 5px 20px #0002}#study-map-legend details>div>span{display:flex;align-items:center;gap:12px}.study-map-view .map-controls #tilt{display:none}
@media(max-width:820px){.study-map-view #globe,.study-map-view.has-feature #globe{inset:0!important}#study-map-heading{top:115px;left:12px}.study-map-view .map-controls,.study-map-view.has-feature .map-controls{right:12px}.study-map-view .coordbar{left:12px;bottom:74px;max-width:80%}.study-map-view .map-top{bottom:20px;max-width:calc(100% - 135px);left:12px;transform:none;padding:3px}.study-map-view .map-top .tool-button{padding:0 9px}#study-map-legend{bottom:20px;right:12px;left:auto;width:auto;height:auto}.study-map-view .bottom-tools{bottom:77px}.study-map-view .topbar .navtab{padding:8px;font-size:11px}}

.map-data-error{position:absolute;z-index:24;left:50%;bottom:100px;transform:translateX(-50%);display:flex;align-items:center;gap:16px;width:max-content;max-width:calc(100% - 40px);padding:12px 16px;background:#172e3ef5;color:#fff;border:1px solid #daa85f;border-radius:12px;font-size:14px;box-shadow:0 5px 25px #0003}.map-data-error button{background:#d5f3e7;color:#102b26;border-radius:7px;padding:8px 12px;font-size:14px;white-space:nowrap}.map-data-error button:disabled{opacity:.6}