:root{--hud-green:#4dff5c;--hud-dim:#1d6b26;--hud-amber:#ffb444;--hud-red:#ff4d4d}*{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,#crosshair:after{content:"";background:var(--hud-green);opacity:.8;position:absolute}#crosshair:before{width:8px;height:1px;box-shadow:20px 0 0 var(--hud-green);top:0;left:-14px}#crosshair:after{width:1px;height:8px;box-shadow:0 20px 0 var(--hud-green);top:-14px;left:0}#topbar{letter-spacing:2px;text-shadow:0 0 6px #4dff5cb3;pointer-events:none;justify-content:space-between;font-size:13px;display:flex;position:absolute;top:10px;left:16px;right:16px}#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:#4dff5c80;width:12px;height:12px}#help{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 #4dff5ccc;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}#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}.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 #ff4d4dcc;pointer-events:none;font-size:11px;position:absolute;top:48%;left:50%;transform:translate(-50%)}#message{letter-spacing:3px;color:var(--hud-amber);text-shadow:0 0 10px #ffb444cc;pointer-events:none;white-space:nowrap;font-size:15px;position:absolute;bottom:27vh;left:50%;transform:translate(-50%)}#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{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:46%;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 #4dff5cb3;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 .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 #ff4d4dcc;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:46%;left:50%;transform:translate(-50%)}#dockaid{pointer-events:none;margin-left:70px;display:none;position:absolute;top:42%;left:50%;transform:translateY(-50%)}