:root{--hud-green:#4dff5c;--hud-green-rgb:77, 255, 92;--hud-green-lift:#7dff88;--hud-green-lift-rgb:125, 255, 136;--hud-dim:#1d6b26;--hud-dim-rgb:29, 107, 38;--hud-amber:#ffb444;--hud-amber-rgb:255, 180, 68;--hud-red:#ff4d4d;--hud-red-rgb:255, 77, 77;--doc-green:#3f3;--doc-green-rgb:51, 255, 51;--doc-green-dim:#1f7a1f;--doc-green-dim-rgb:31, 122, 31;--doc-amber:#fc3;--doc-amber-rgb:255, 204, 51}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;color:var(--hud-green);-webkit-user-select:none;user-select:none;background:#000;font-family:Menlo,Consolas,monospace;overflow:hidden}#app{position:fixed;inset:0}#scene{width:100%;height:100%;display:block;position:absolute;inset:0}#crosshair{pointer-events:none;width:0;height:0;position:absolute;top:42%;left:50%}#crosshair:before{content:"";left:calc(var(--sight-r,24px) * -1);top:calc(var(--sight-r,24px) * -1);width:calc(var(--sight-r,24px) * 2);height:calc(var(--sight-r,24px) * 2);border:1px solid var(--hud-green);opacity:.45;box-sizing:border-box;border-radius:50%;transition:opacity 90ms linear,box-shadow 90ms linear;position:absolute}#crosshair:after{content:"";background:var(--hud-green);opacity:.9;width:2px;height:2px;position:absolute;top:-1px;left:-1px}#crosshair.locked:before{opacity:1;box-shadow:0 0 8px var(--hud-green), inset 0 0 6px rgba(var(--hud-green-rgb), .35)}#topbar{letter-spacing:2px;text-shadow:0 0 6px rgba(var(--hud-green-rgb), .7);pointer-events:none;justify-content:space-between;font-size:13px;display:flex;position:absolute;top:10px;left:16px;right:16px}body.screen-open #hud{display:none}body.screen-open #screen{max-height:88vh;top:50%}body.screen-open #message{border:1px solid rgba(var(--hud-amber-rgb), .35);background:#000a02eb;padding:6px 16px;bottom:3vh}#screen.wide{max-width:1260px}#screen .chartrow{align-items:stretch;gap:20px;display:flex}#screen .chartrow .info{max-height:var(--chart-side,560px);flex-direction:column;min-height:0;display:flex}#screen .chartrow canvas{flex:none}#screen .chartrow .info .sysname{color:var(--hud-amber);letter-spacing:3px;margin-bottom:10px;font-size:15px}#screen .chartrow .info .sysname .dist{letter-spacing:1px;font-size:13px}#screen .chartrow .info .oor{color:var(--hud-red);letter-spacing:1px;font-size:12px}#screen .chartrow .info .due{letter-spacing:1px;font-size:12px}#screen .chartrow .info .sysrow{align-items:flex-start;gap:16px;display:flex}#screen .chartrow .info .sysrow .sysfacts{flex:auto}#screen .chartrow .info .chartface{text-align:center;flex:none;margin:0}#screen .chartrow .info .chartface img{width:168px;height:168px;image-rendering:pixelated;border:1px solid var(--hud-dim);display:block}#screen .chartrow .info .chartface figcaption{color:var(--hud-amber);max-width:168px;margin-top:5px;font-size:11px}#screen .chartrow .info .sysfacts{grid-template-columns:auto 1fr;gap:2px 14px;margin:0 0 10px;display:grid}#screen .chartrow .info .sysfacts dt{color:var(--hud-amber);opacity:.85}#screen .chartrow .info .sysfacts dd{margin:0}#screen .chartrow .info .sysblurb{clear:both;opacity:.9;padding-top:8px;line-height:1.7}#screen .chartrow .info .sysmore{opacity:.78;border-top:1px solid rgba(var(--hud-green-rgb), .18);flex:auto;min-height:0;margin-top:10px;padding-top:9px;font-size:11px;line-height:1.55;overflow-y:auto}#screen .chartrow .info{text-align:left;border-left:1px solid var(--hud-dim);flex:0 0 440px;align-self:stretch;min-width:440px;padding-left:18px;line-height:1.9}#hud{border:1px solid var(--hud-dim);pointer-events:none;background:#000e02b8;border-bottom:none;align-items:stretch;gap:10px;padding:10px 14px;display:flex;position:absolute;bottom:0;left:50%;transform:translate(-50%);box-shadow:inset 0 0 24px #1ec83c1f}.hud-panel{flex-direction:column;justify-content:space-between;gap:6px;display:flex}.hud-left,.hud-right{width:210px;padding:4px 0}.gauge{letter-spacing:1px;align-items:center;gap:8px;font-size:10px;display:flex}.gauge label{text-align:right;width:78px;color:var(--hud-green);opacity:.9}.bar{border:1px solid var(--hud-dim);background:#00280880;flex:1;height:9px;position:relative;overflow:hidden}.bar .fill{background:var(--hud-amber);width:0%;height:100%;box-shadow:0 0 8px var(--hud-amber)}.bar.centered:before{content:"";background:var(--hud-dim);width:1px;position:absolute;top:0;bottom:0;left:50%}.bar .marker{background:var(--hud-amber);width:5px;box-shadow:0 0 8px var(--hud-amber);margin-left:-2px;position:absolute;top:0;bottom:0;left:50%}#scanner{display:block}.compass-row{justify-content:space-between;align-items:center;display:flex}.missiles{gap:4px;padding-left:80px;display:flex}.missiles span{border:1px solid var(--hud-dim);background:rgba(var(--hud-green-rgb), .5);width:12px;height:12px}#help{z-index:30;border:1px solid var(--hud-dim);text-align:center;letter-spacing:2px;background:#000a02eb;max-height:76vh;padding:20px 34px;position:absolute;top:40%;left:50%;overflow-y:auto;transform:translate(-50%,-50%)}#help .help-grid{text-align:left;grid-template-columns:1fr 1fr;gap:4px 40px;display:grid}#help h3{color:var(--hud-amber);letter-spacing:4px;margin:10px 0 4px;font-size:12px;font-weight:400}#help h1{text-shadow:0 0 12px rgba(var(--hud-green-rgb), .8);margin-bottom:14px;font-size:34px;font-weight:400}#help table{border-spacing:14px 4px;margin:0 auto 14px;font-size:12px}#help td:first-child{text-align:right;color:var(--hud-amber)}#help td:last-child{text-align:left}#help p{opacity:.8;font-size:11px}#help.hidden{display:none}.build-line a{color:var(--hud-dim)}.build-line a:hover{color:var(--hud-green)}#scanlines{pointer-events:none;mix-blend-mode:multiply;background:repeating-linear-gradient(#0000 0 2px,#0000001f 3px);position:absolute;inset:0}.segs{flex:1;gap:3px;height:9px;display:flex}.segs i{border:1px solid var(--hud-dim);background:#00280880;flex:1;position:relative;overflow:hidden}.segs i:after{content:"";width:calc(var(--fill,0) * 100%);background:var(--hud-amber);box-shadow:0 0 8px var(--hud-amber);position:absolute;top:0;bottom:0;left:0}.segs.low i:after{background:var(--hud-red);box-shadow:0 0 8px var(--hud-red)}.missiles span.spent{background:0 0}.missiles span.locked{background:var(--hud-red);box-shadow:0 0 8px var(--hud-red)}#lock{letter-spacing:3px;color:var(--hud-red);text-shadow:0 0 8px rgba(var(--hud-red-rgb), .8);pointer-events:none;font-size:11px;position:absolute;top:48%;left:50%;transform:translate(-50%)}#message{z-index:20;letter-spacing:3px;color:var(--hud-amber);text-shadow:0 0 10px rgba(var(--hud-amber-rgb), .8);pointer-events:none;white-space:nowrap;font-size:15px;position:absolute;bottom:27vh;left:50%;transform:translate(-50%)}#prompts{z-index:20;letter-spacing:2px;color:var(--hud-dim);pointer-events:none;white-space:nowrap;text-align:center;font-size:13px;position:absolute;bottom:23vh;left:50%;transform:translate(-50%)}#prompts .prompt-key{color:var(--hud-amber);text-shadow:0 0 8px rgba(var(--hud-amber-rgb), .7)}#exercise{z-index:5;border:1px solid rgba(var(--hud-amber-rgb), .45);border-left:2px solid var(--hud-amber);letter-spacing:2px;color:var(--hud-amber);text-shadow:0 0 6px rgba(var(--hud-amber-rgb), .5);pointer-events:none;white-space:nowrap;background:#000a02b8;padding:6px 10px;font-size:10px;line-height:1.7;position:absolute;top:34px;left:16px}#exercise.hidden{display:none}#exercise .ex-head b{letter-spacing:3px}#exercise .ex-head span{opacity:.85;margin-left:10px}#exercise .ex-row{color:var(--hud-green);gap:16px;display:flex}#exercise .ex-row #ex-mark{color:var(--hud-amber)}#exercise #ex-live{color:var(--hud-green);opacity:.8;white-space:pre;margin-top:4px;line-height:1.35}body.screen-open #exercise{display:none}#damage-flash{pointer-events:none;opacity:0;background:radial-gradient(#0000 55%,#ff282880 100%);transition:opacity .5s ease-out;position:absolute;inset:0;box-shadow:inset 0 0 #0000}#damage-flash.hit{opacity:1;transition:none}#screen{z-index:10;border:1px solid var(--hud-dim);letter-spacing:1px;background:#000a02eb;min-width:640px;max-width:860px;max-height:66vh;padding:18px 30px 22px;position:absolute;top:40%;left:50%;overflow:hidden auto;transform:translate(-50%,-50%)}#screen.hidden,#help.hidden{display:none}#screen h2{text-align:center;letter-spacing:6px;text-shadow:0 0 10px rgba(var(--hud-green-rgb), .7);margin-bottom:4px;font-size:20px;font-weight:400}#screen .rule{border-bottom:1px solid var(--hud-dim);margin:6px 0 12px}#screen table{border-collapse:collapse;width:100%;font-size:12px}#screen th{text-align:left;color:var(--hud-amber);letter-spacing:2px;padding:2px 8px;font-weight:400}#screen td{padding:2px 8px}#screen td.num,#screen th.num{text-align:right}#screen tr.sel td{background:var(--hud-green);color:#001402}#screen .keyline{color:var(--hud-amber);text-align:center;letter-spacing:2px;margin-top:12px;font-size:11px}#screen tr.grouphead td{color:var(--hud-amber);opacity:.6;letter-spacing:3px;padding-top:16px;font-size:11px}#screen tr.grouphead:first-child td{padding-top:2px}#screen .reserved{display:grid}#screen .reserved>*{grid-area:1/1}#screen .reserved .hold{visibility:hidden}#screen .stem{opacity:.45;letter-spacing:0}#screen tr.sel .stem{opacity:.75}#screen .note-help{color:var(--hud-amber)}#screen .note-warn{color:var(--hud-red)}#screen .note-calm{color:var(--hud-green);opacity:.5;letter-spacing:1px}#screen .note-brain{color:var(--hud-amber);opacity:.7}#screen .fence{border:1px solid var(--hud-dim);border-left:3px solid var(--hud-amber);margin-top:16px;padding:2px 10px 8px}#screen .fence .keyline{margin-top:6px}#screen td.same{opacity:.4}#screen .hints span{white-space:nowrap}#screen .hints span+span:before{content:"·";margin-right:6px}#screen .menu{margin:8px 0 0 18%;font-size:14px;line-height:2.1}#screen .menu b{color:var(--hud-amber);width:34px;font-weight:400;display:inline-block}#screen .info{font-size:12px;line-height:1.7}#screen canvas{margin:0 auto;display:block}#screen .big{text-align:center;letter-spacing:8px;color:var(--hud-red);text-shadow:0 0 14px rgba(var(--hud-red-rgb), .8);margin:30px 0;font-size:26px}#tunnel{pointer-events:none;display:none;position:absolute;inset:0}#viewlabel{letter-spacing:4px;color:var(--hud-green);opacity:.85;pointer-events:none;font-size:12px;position:absolute;top:7%;left:50%;transform:translate(-50%)}#bomb-flash{pointer-events:none;opacity:0;background:#fff;transition:opacity 1.2s ease-out;position:absolute;inset:0}#bomb-flash.boom{opacity:.95;transition:none}#help .help-grid td:first-child{white-space:nowrap;text-align:right;color:var(--hud-amber);padding-right:12px}#help .help-grid td:last-child{text-align:left}#help .help-grid table{border-spacing:0 2px;font-size:12px}#help>p{opacity:.8;margin-top:12px;font-size:10px;line-height:1.7}#shipid{letter-spacing:2px;color:var(--hud-amber);opacity:.9;pointer-events:none;font-size:10px;position:absolute;top:56%;left:50%;transform:translate(-50%)}.indicators{gap:4px;display:flex}.indicators span{border:1px solid var(--hud-dim);text-align:center;width:15px;height:15px;color:var(--hud-dim);font-size:10px;line-height:13px;transition:color .1s,background .1s}.indicators span.lit{color:#001402;background:var(--hud-green);box-shadow:0 0 8px var(--hud-green)}.indicators span.lit-amber{color:#1a0e00;background:var(--hud-amber);box-shadow:0 0 8px var(--hud-amber)}.missiles{padding-left:8px}#chart-canvas,#local-canvas{cursor:crosshair}#screen .sysbody{flex-wrap:wrap;justify-content:center;align-items:center;gap:26px;display:flex}#screen .portrait{text-align:center;margin:0}#screen .portrait img{width:192px;height:192px;image-rendering:pixelated;border:1px solid var(--hud-dim);display:block}#screen .portrait figcaption{color:var(--hud-amber);max-width:192px;margin-top:6px;font-size:12px}#screen table.sysdata{width:auto;margin:0 auto;font-size:13px;line-height:1.9}#screen table.sysdata td:first-child{color:var(--hud-amber);text-align:right;padding-right:18px}#screen .sysdesc{text-align:center;max-width:34em;color:var(--hud-green);margin:10px auto 0;line-height:1.8}#screen .sysmore{opacity:.82;text-align:left;border-top:1px solid rgba(var(--hud-green-rgb), .18);margin-top:12px;padding-top:10px}#screen .sysmore p{margin:0 0 9px}#screen .sysmore p:last-child{margin-bottom:0}#screen .brief{text-align:left;max-width:38em;margin:6px auto 0;line-height:1.95}#screen .pager{text-align:center;color:var(--hud-dim);letter-spacing:2px;margin-top:14px;font-size:12px}#screen .pager span.on{color:var(--hud-green)}#screen .menu div[data-key]{cursor:pointer;border-left:2px solid #0000;padding:0 8px}#screen .menu div[data-key]:hover{background:rgba(var(--hud-green-rgb), .14);border-left-color:var(--hud-green)}#screen .menu div[data-key].sel{background:rgba(var(--hud-green-rgb), .2);border-left-color:var(--hud-green)}#screen tr.pick{cursor:pointer}#screen tr.pick:hover td{background:rgba(var(--hud-green-rgb), .14)}#screen tr.sel.pick:hover td{background:var(--hud-green)}#screen .buttons{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px;display:flex}#screen .buttons button{border:1px solid var(--hud-dim);color:var(--hud-green);letter-spacing:2px;cursor:pointer;background:#001e06e6;padding:6px 14px;font-family:inherit;font-size:11px}#screen .buttons button:hover{border-color:var(--hud-green);background:rgba(var(--hud-green-rgb), .16)}#screen .buttons button:active{background:var(--hud-green);color:#001402}#reticle{pointer-events:none;position:absolute;inset:0}.missiles span.armed{background:var(--hud-amber);box-shadow:0 0 8px var(--hud-amber)}