@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{font-family:'DM Sans',sans-serif;color:#d9e4e9;background:#0a1219;font-synthesis:none;--muted:#8296a4;--cyan:#4ae2ce;--line:#263742;--panel:#111e28;--lime:#c2e987}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;background:#1b2b37;color:#cadbe4;border:1px solid #30434f;border-radius:6px;padding:9px 12px;font-size:12px;transition:background .15s}button:hover{background:#2b414e}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}button.selected{background:#234840;color:#a8ffe9;border-color:#4fb7a7}header{height:83px;padding:0 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);background:#0e1922}.brand{display:flex;gap:14px;color:#edf3f6;text-decoration:none;font:600 23px 'Space Grotesk',sans-serif;letter-spacing:1px}.brand b{font-weight:400;color:#a9becb}.brand small{display:block;font:10px 'DM Sans';letter-spacing:2px;color:#8098a9;margin-top:5px}.brand-icon{color:var(--cyan);font-size:42px;line-height:44px}nav{display:flex;gap:15px;align-items:center}.live{font-size:10px;letter-spacing:1.2px;color:#a5bfc6;display:inline-flex;gap:8px;align-items:center}.live i,.dot,footer i{display:inline-block;width:6px;height:6px;border-radius:100%;background:var(--cyan)}.titlebar{padding:25px 32px 22px;display:flex;align-items:center;justify-content:space-between}.eyebrow{font-size:9px;font-weight:600;letter-spacing:2px;color:var(--cyan)}h1{font:500 29px 'Space Grotesk';margin:7px 0 0;letter-spacing:-.8px}.region{display:flex;align-items:center;gap:12px;font-size:13px}.region>span{font-size:28px;color:var(--cyan)}small{color:var(--muted)}.region small{display:block;font-size:10px;margin-top:6px}.workspace{display:grid;grid-template-columns:238px minmax(350px,1fr) 330px;gap:16px;padding:0 24px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}.panel-title{font-size:10px;letter-spacing:1.4px;display:flex;align-items:center;justify-content:space-between;padding:15px 16px;border-bottom:1px solid var(--line);height:47px}.panel-title button{padding:4px 6px;font-size:10px}.planner{padding:0 17px 18px}.planner>.panel-title{margin:0 -17px}h2{font:500 19px 'Space Grotesk';margin:20px 0 8px}.muted{font-size:12px;line-height:1.7;color:var(--muted)}.vehicle{display:flex;align-items:center;gap:10px;padding:13px 0;margin:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.vehicle-glyph{font-size:32px;color:var(--cyan)}.vehicle b{font-size:12px}.vehicle small{display:block;font-size:9px;margin-top:5px}label{font-size:11px;display:flex;justify-content:space-between;margin:17px 0 9px}label b{color:var(--cyan);font-weight:500}input[type=range]{width:100%;accent-color:var(--cyan);height:4px;cursor:pointer}.range-label{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);margin-top:6px}.route-title{display:flex;justify-content:space-between;align-items:center;margin-top:23px;font-size:12px}.route-title button{padding:5px 6px;font-size:9px;color:var(--cyan);background:transparent;border:0}.route-actions{display:flex;gap:6px}.route-actions button{flex:1;font-size:10px;padding:7px 4px}ol{list-style:none;padding:0;margin:10px 0 14px;max-height:170px;overflow:auto}ol li{display:flex;gap:10px;align-items:center;padding:9px 0;font-size:11px;border-bottom:1px solid #22313b}ol li span{border:1px solid #385b61;color:var(--cyan);border-radius:50%;font-size:9px;width:22px;height:22px;display:grid;place-items:center}ol li small{display:block;font-size:9px;margin-top:4px}.route-total{display:flex;justify-content:space-between;margin:14px 0;font-size:9px;color:var(--muted)}.route-total b{display:block;color:#e3eff3;font:500 16px 'Space Grotesk';margin-top:5px}.instruction{border-left:2px solid var(--cyan);padding-left:10px;margin:20px 0}.instruction b{font-size:11px}.instruction p{font-size:10px;line-height:1.7;color:var(--muted)}.primary{background:var(--cyan);color:#092c2c;border:0;font-weight:700;width:100%;padding:14px}.primary:hover{background:#8bf5e6}.flight{display:flex;flex-direction:column;min-width:0}#viewport{position:relative;flex:1;min-height:370px;overflow:hidden;background:linear-gradient(#89aebb,#41647a)}#scene{width:100%;height:100%;position:absolute;inset:0;display:block;touch-action:none}.flight-top{position:absolute;top:15px;left:16px;right:16px;display:flex;justify-content:space-between;pointer-events:none}.pill{font:10px 'Space Grotesk';letter-spacing:1px;padding:7px 10px;background:#0a1b26cf;border:1px solid #9fcee944;border-radius:4px;color:#d3edf1}.heading{position:absolute;top:18px;left:50%;transform:translateX(-50%);font:12px 'Space Grotesk';color:white;text-shadow:0 1px 3px #000}#crosshair{position:absolute;left:50%;top:50%;width:42px;height:42px;transform:translate(-50%,-50%);border:1px solid #ffffff50;border-radius:50%;pointer-events:none}#crosshair span{position:absolute;width:62px;left:-11px;top:20px;border-top:1px solid #ffffffa0}#crosshair i{position:absolute;height:62px;top:-11px;left:20px;border-left:1px solid #ffffffa0}.camera-bottom{position:absolute;bottom:16px;left:16px;right:16px;display:flex;justify-content:space-between;color:white;font:9px 'Space Grotesk';text-shadow:0 1px 4px #000}.view-controls{display:flex;justify-content:space-between;padding:10px;gap:8px;border-bottom:1px solid var(--line);flex-wrap:wrap}.view-controls button{font-size:10px;padding:7px 8px}.telemetry{display:grid;grid-template-columns:repeat(4,1fr);padding:20px 6px}.telemetry>div{border-right:1px solid var(--line);padding-left:15px}.telemetry>div:last-child{border:0}.telemetry small{font-size:8px;letter-spacing:.7px}.telemetry strong{font:500 30px 'Space Grotesk';display:block;margin-top:8px}.telemetry em{font:11px 'DM Sans';color:var(--muted)}.commandbar{display:flex;gap:8px;padding:0 15px 15px;flex-wrap:wrap}.commandbar button{flex:1;white-space:nowrap;font-size:10px}.commandbar .return{background:#304735;color:#d4f5a4;border-color:#526e3b}.statusline{min-height:37px;border-top:1px solid var(--line);padding:10px 15px;color:var(--cyan);font-size:10px}.right-column{display:flex;flex-direction:column;gap:15px}.map-panel{flex:1}#map{height:270px;background:#233642;z-index:0}.map-key{display:flex;gap:16px;padding:12px 13px 3px;font-size:9px;color:var(--muted)}.map-key i{display:inline-block;width:13px;border-top:2px solid;margin-right:5px}.cyan{color:var(--cyan)}.lime{color:var(--lime)}#map-hint{font-size:9px;color:var(--muted);margin:8px 13px 12px}.leaflet-tile-pane{filter:saturate(.45) brightness(.83)}.leaflet-control-attribution{font-size:8px!important}.instructor{padding:0 14px 12px}.instructor>.panel-title{margin:0 -14px}.tag{font-size:8px;background:#293d3c;color:#a5d7b7;padding:4px;border-radius:3px}.instructor label{font-size:10px}.instructor select{width:100%;background:#0f1c26;color:#dae5ea;border:1px solid #334955;border-radius:6px;padding:9px;font-size:11px}.instructor>button{width:100%;margin-top:8px}.event-title{display:flex;justify-content:space-between;font-size:10px;margin:19px 0 8px}.event-title span{color:var(--muted)}#events{height:64px;overflow:auto;font-size:9px;color:#91aab7;line-height:1.7}#events p{margin:3px 0}#events time{color:#64a597;margin-right:8px}.report{background:transparent;color:var(--cyan);border-color:#2d534f}footer{display:flex;justify-content:space-between;padding:18px 27px;color:#667f8f;font-size:9px;gap:10px}footer i{width:4px;height:4px;margin-right:7px}#loading{position:absolute;inset:0;background:#142b39ed;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;text-align:center}#loading h3{font:500 21px 'Space Grotesk'}#loading p{font-size:12px;color:#b1c9d7}#loading small{font-size:10px;margin-top:16px}progress{width:65%;height:5px;accent-color:var(--cyan)}.spinner{width:30px;height:30px;border:2px solid #3a5d69;border-top-color:var(--cyan);border-radius:50%;animation:spin 1.4s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}[hidden]{display:none!important}#signal-lost{position:absolute;inset:0;background:#08151cee;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;text-align:center;padding:20px}#signal-lost b{font:500 17px 'Space Grotesk';color:#ecb26d}#signal-lost span{font-size:11px;color:#9eabb3}dialog{background:#14242e;color:#dce8ed;border:1px solid #3b5561;border-radius:14px;max-width:560px;width:90%;padding:30px;box-shadow:0 20px 100px #0008}dialog::backdrop{background:#0009}dialog h2{font-size:25px;margin-top:5px}dialog p,dialog li{font-size:13px;line-height:1.8}dialog a{color:var(--cyan)}#close-dialog{float:right}dialog ol{list-style:decimal;max-height:none;padding-left:22px}dialog ol li{display:list-item;padding:5px 0}dialog .metric-row{display:flex;gap:30px;margin:20px 0}dialog .metric-row b{display:block;font-size:28px;color:var(--cyan)}.map-waypoint{background:#122c34;border:2px solid #61e4cf;border-radius:50%;color:#cffff4;text-align:center;font:bold 11px/23px Arial}.map-home{background:#bfe78c;border:2px solid #3a633a;color:#21391b;border-radius:50%;text-align:center;font:bold 14px/23px Arial}.map-drone{color:#082125;font-size:22px;background:#43dcc5;border-radius:50%;text-align:center;line-height:27px;border:2px solid white}
@media(min-width:1600px){.workspace{grid-template-columns:260px minmax(500px,1fr) 380px}#viewport{min-height:490px}#map{height:335px}}
@media(max-width:1150px){.workspace{grid-template-columns:210px 1fr;gap:12px}.right-column{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr}#map{height:280px}header{padding:0 22px}nav .live{display:none}.titlebar{padding:23px}#viewport{min-height:420px}}
@media(max-width:700px){header{height:75px;padding:0 14px}.brand{font-size:16px;gap:8px}.brand small{font-size:7px;letter-spacing:1px}.brand-icon{font-size:30px}nav{gap:5px}nav button{font-size:9px;padding:7px}#credits{display:none}.titlebar{padding:20px 15px}.titlebar h1{font-size:25px}.region{display:none}.workspace{display:flex;flex-direction:column;padding:0 12px}.flight{order:0}.planner{order:1}.right-column{order:2;display:flex}#viewport{height:340px;flex:none;min-height:0}.telemetry{padding:15px 0}.telemetry>div{padding-left:10px}.telemetry strong{font-size:25px}.telemetry small{font-size:7px}.planner ol{max-height:220px}.instruction{margin:15px 0}footer{padding:18px 15px;flex-direction:column;font-size:8px}.region small{display:none}#map{height:350px}.heading{top:56px}.eyebrow{font-size:8px}}
.view-controls select{max-width:190px;background:#1b2b37;color:#cadbe4;border:1px solid #30434f;border-radius:6px;padding:7px;font-size:10px;margin-left:5px}.planner ol{max-height:310px}
#music-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 14px;border-bottom:1px solid var(--line);background:#102129}.music-track{flex:1;min-width:140px}.music-track b{font-size:11px;font-weight:500}.music-track small{display:block;font-size:9px;margin-top:4px}#music-toggle{font-size:10px;padding:7px 9px}#music-controls label{display:flex;align-items:center;gap:8px;margin:0;font-size:10px;color:var(--muted)}#music-volume{width:72px;margin:0}
dialog:has(.guide){max-width:720px;max-height:88dvh;padding:24px;overflow:auto;scrollbar-color:#42666f #14242e}dialog:has(.guide) #close-dialog{position:sticky;top:0;z-index:2;background:#213e49}.guide h2{margin:10px 42px 0 0}.guide-intro{color:#9db5c2}.guide details{border:1px solid #304b57;border-radius:8px;margin:10px 0;overflow:hidden}.guide summary{cursor:pointer;padding:14px;font-size:13px;font-weight:600;line-height:1.5}.guide summary span{color:var(--cyan);font:12px 'Space Grotesk';margin-right:8px}.guide details[open] summary{border-bottom:1px solid #304b57;background:#1b333d}.guide details p,.guide details ol{margin:14px 18px}.guide details ol{padding-left:20px}.guide details p{color:#bbced7}.guide-audio{padding:16px;border-radius:8px;background:#102c31;border:1px solid #2b5859;margin:18px 0}.guide-audio>b{font:500 17px 'Space Grotesk'}.guide-audio p,.guide-note{font-size:11px;line-height:1.7;color:#a2bec7}.guide-actions{display:flex;gap:8px;flex-wrap:wrap}.guide-actions button{font-size:11px}.guide-section-read{font-size:11px;margin:12px 18px 0;color:var(--cyan)}.guide-reading{border-left:3px solid var(--cyan);padding:9px 12px;background:#23434a;border-radius:0 6px 6px 0}.guide-note{padding:0 2px}.guide summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px}.guide-quick h2,.guide-quick>.eyebrow{display:none}@media(max-width:700px){dialog:has(.guide){padding:16px;width:94%;max-height:90dvh}.guide h2{font-size:22px}.guide summary{padding:12px}.guide details p{margin:12px;font-size:12px}.guide-audio{padding:12px}}

.ground-credit{color:inherit;text-decoration:none;font-size:8px}.ground-credit:hover{text-decoration:underline}
.xr-launcher{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 27px 20px;padding:18px 22px;background:linear-gradient(110deg,#14373c,#172c3e);border:1px solid #3a6866;border-radius:12px}.xr-launcher b{color:#8ff1da;font:600 13px 'Space Grotesk';letter-spacing:1px}.xr-launcher p{font-size:12px;color:#b3cbd4;max-width:620px;margin:8px 0 0;line-height:1.6}.xr-launch-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.xr-launch-actions a{color:#b3d7d3;font-size:11px}.xr-launch-actions button{white-space:nowrap}.xr-launch-actions .primary{width:auto;margin:0}.xr-preview #viewport{min-height:570px}.xr-preview .workspace{grid-template-columns:1fr}.xr-preview .planner,.xr-preview .right-column{display:none}.xr-preview .flight{max-width:1400px;width:100%;margin:auto}.xr-preview .view-controls,.xr-preview .commandbar{display:none}@media(max-width:700px){.xr-launcher{margin:0 12px 16px;padding:15px;align-items:stretch;flex-direction:column}.xr-launch-actions{align-items:stretch}.xr-launch-actions button{flex:1;font-size:11px}.xr-preview #viewport{min-height:420px}}

.imagery-info:has([hidden]:only-child){display:none}.imagery-info{font-size:11px;color:#a9bfc4;line-height:1.6;padding:0 4px}.imagery-info small{font-size:11px}.imagery-info span{display:block}.imagery-info [hidden]{display:none}.imagery-info a{color:#70ddce}

dialog:has(.flight-result){max-height:88dvh;overflow:auto;scrollbar-color:#42666f #14242e}
dialog:has(.flight-result) #close-dialog{position:sticky;top:0;z-index:2;background:#213e49}
.flight-result h2{margin-right:36px}.result-score{display:flex;align-items:center;gap:18px;padding:18px;background:#102c31;border:1px solid #2b5859;border-radius:10px}
.result-score strong{font:500 42px 'Space Grotesk';color:var(--cyan);white-space:nowrap}.result-score strong small{font-size:17px}.result-score>span{font-size:13px;line-height:1.5}
.flight-result .result-context{color:#aec4cf;font-size:12px}.flight-result .metric-row{gap:12px;justify-content:space-between;flex-wrap:wrap}.flight-result .metric-row b{font-size:20px}.flight-result .metric-row small{font-size:10px}
.result-breakdown{margin:20px 0}.result-breakdown>div{display:flex;gap:16px;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}.result-breakdown dt{font-size:13px}.result-breakdown dt small{display:block;font-size:11px;color:#9fb7c3;line-height:1.6;margin-top:5px}.result-breakdown dd{margin:0;font:500 19px 'Space Grotesk';color:var(--cyan);white-space:nowrap}.result-breakdown dd span{font-size:11px;color:#9fb7c3}
.flight-result h3{font-size:14px}.result-tips{padding-left:20px}.result-tips li{padding:4px 0}.result-warning{color:#ffc478}.result-rules{margin:18px 0;border:1px solid #304b57;border-radius:8px;padding:12px}.result-rules summary{cursor:pointer;font-size:12px}.result-rules p{font-size:11px;color:#aec4cf}.result-rules summary:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
@media(max-width:700px){dialog:has(.flight-result){width:94%;padding:18px;max-height:90dvh}.flight-result h2{font-size:22px}.result-score{padding:12px;gap:12px}.result-score strong{font-size:36px}}
.xr-preview #crosshair,.xr-preview .heading,.xr-preview .camera-bottom,.xr-preview .flight-top,.xr-preview #signal-lost{display:none!important}#xr-commands{display:flex;flex-wrap:wrap;gap:8px;padding:0 27px 18px}#xr-commands button{font-size:11px}#xr-commands button:nth-child(4){background:#304735;color:#d4f5a4}

/* Classroom refinements preserve the three-column default layout. */
#reset-flight{width:100%;margin-top:8px;color:#b9c8ce}#vertical-speed{display:block;font-size:11px;margin-top:5px;color:#bddc81}
#waypoint-notice{position:absolute;left:50%;bottom:52px;transform:translateX(-50%);max-width:90%;padding:10px 16px;border:1px solid #bddc81;border-radius:10px;background:#122b2feb;color:#e6f4d0;z-index:5;text-align:center;font-size:13px;pointer-events:none}
.map-waypoint.waypoint-done{background:#bddc81;color:#132820;min-width:35px}.map-waypoint.waypoint-current{outline:3px solid #f5cf7e;outline-offset:3px}#route-list li.waypoint-done{color:#bddc81}#route-list li.waypoint-done>span{background:#476144}
.wind-controls{margin:12px 0;border-top:1px solid #263b46;padding-top:10px}.wind-controls label{display:flex;justify-content:space-between;font-size:12px;margin:6px 0}.wind-controls select{width:100%}.wind-controls button{width:100%;margin-top:8px}.wind-controls small{display:block;color:#aac6cc;margin-top:7px}
.map-expand-tools{display:none}.map-open{overflow:hidden}.map-panel.expanded-map{position:fixed;inset:12px;z-index:9000;display:flex;flex-direction:column;background:#0b1821;margin:0;padding:16px}.expanded-map #map{flex:1;min-height:0;height:auto}.expanded-map .map-expand-tools{display:flex;align-items:center;gap:10px;padding:8px 0;flex-wrap:wrap}.map-expand-tools span{font-size:12px;color:#a9bdc6}.expanded-map .panel-title{flex-shrink:0}.saved-plans{display:grid;gap:10px}#plan-name{width:100%;padding:10px;margin:10px 0;color:#e1f0f5;background:#152934;border:1px solid #45606e;border-radius:6px}#plan-message{color:#bddc81}.map-panel .panel-title{gap:8px}.map-panel .panel-title>span{margin-right:auto}
@media(max-width:600px){.map-panel.expanded-map{inset:0;padding:10px}.map-expand-tools span{width:100%}}

/* Optional instructor controls; keep the map and workspace geometry unchanged. */
.night-training{border-top:1px solid #263b46;margin:12px 0;padding-top:10px}.night-training summary{cursor:pointer;font-size:12px;color:#aac6cc}.night-training summary:focus-visible{outline:2px solid #20c9b4;outline-offset:4px}.night-training .wind-controls{border:0;margin-bottom:0}.night-training input[type=range]{width:100%}