:root{--bg: #03060d;--panel: rgba(4, 10, 24, .88);--border: rgba(0, 180, 255, .2);--cyan: #00e5ff;--amber: #ffab00;--red: #ff1744;--green: #00e676;--text: #c0d4ee;--dim: #3a5068}*{margin:0;padding:0;box-sizing:border-box}body,html{width:100%;height:100%;overflow:hidden;background-color:var(--bg);font-family:Share Tech Mono,monospace;color:var(--text)}#app{position:relative;width:100vw;height:100vh}video#webcam{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1);z-index:1}canvas#three-canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:2;pointer-events:none}canvas#geo-canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:3;pointer-events:none}#hud{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;pointer-events:none;display:flex;flex-direction:column}.hud-header{display:flex;align-items:stretch;background:#02050ee0;border-bottom:1px solid var(--border);height:56px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.logo{padding:0 22px;display:flex;align-items:center;gap:8px;border-right:1px solid var(--border);font-family:Orbitron,sans-serif;font-weight:900;font-size:16px;letter-spacing:3px}.logo .m{color:var(--cyan)}.logo .g{color:var(--amber)}.logo .version{font-size:9px;font-weight:400;color:var(--dim);letter-spacing:2px;border:1px solid var(--border);padding:2px 5px;margin-left:4px}.blinking{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);animation:blink 1.5s infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}.mode-toggle{display:flex;align-items:center;border-right:1px solid var(--border);pointer-events:auto}.mode-btn{background:transparent;border:none;border-right:1px solid var(--border);color:var(--dim);padding:0 16px;height:100%;font-family:Orbitron,sans-serif;font-size:11px;font-weight:700;cursor:pointer;transition:all .25s ease;letter-spacing:1px;box-shadow:none}.mode-btn:last-child{border-right:none}.mode-btn:hover{background:#00e5ff0f;color:var(--text);transform:none;box-shadow:none}.mode-btn.active{color:var(--cyan);background:#00e5ff1a;box-shadow:inset 0 -2px 0 var(--cyan)}.audio-controls{display:flex;align-items:center;border-right:1px solid var(--border);pointer-events:auto}.icon-btn{background:transparent;border:none;border-right:1px solid var(--border);color:var(--text);padding:0 14px;height:100%;font-size:18px;cursor:pointer;transition:all .25s ease;box-shadow:none}.icon-btn:last-child{border-right:none}.icon-btn:hover{background:#00e5ff14;transform:none;box-shadow:none}.icon-btn.muted{color:var(--dim);opacity:.5}.stats{display:flex;margin-left:auto}.stat{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:0 16px;border-left:1px solid var(--border);min-width:110px}.stat .label{font-size:9px;color:var(--dim);letter-spacing:2px;margin-bottom:3px}.stat .val{font-family:Orbitron,sans-serif;font-size:11px;font-weight:700;white-space:nowrap}.cyan{color:var(--cyan);text-shadow:0 0 8px var(--cyan)}.amber{color:var(--amber);text-shadow:0 0 8px var(--amber)}.red{color:var(--red);text-shadow:0 0 8px var(--red)}.green{color:var(--green);text-shadow:0 0 8px var(--green)}.dim{color:var(--dim)}.panel{margin-top:auto;margin-bottom:25px;margin-left:25px;width:240px;background:var(--panel);border:1px solid var(--border);padding:14px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:opacity .3s ease}.panel.hidden{display:none}.panel-title{font-size:10px;color:var(--dim);letter-spacing:2px;border-bottom:1px solid var(--border);padding-bottom:7px;margin-bottom:8px}.panel-row{display:flex;justify-content:space-between;margin-bottom:5px;font-size:11px}.panel-row .k{color:var(--text)}.panel-row .v{font-weight:700}@media (max-width: 768px){.hud-header{height:auto;flex-wrap:wrap;justify-content:center;padding-bottom:5px}.logo{width:100%;justify-content:center;border-right:none;border-bottom:1px solid var(--border);padding:5px 0;margin-bottom:5px}.mode-toggle{width:100%;justify-content:center;border-right:none;border-bottom:1px solid var(--border)}.mode-btn{padding:10px;flex-grow:1;font-size:13px}.audio-controls{position:absolute;top:5px;right:5px;border-right:none}.stats{width:100%;flex-wrap:wrap;justify-content:center}.stat{min-width:80px;padding:5px;border-left:none;border-right:1px solid var(--border)}.stat:last-child{border-right:none}.panel{margin-left:10px;margin-right:10px;margin-bottom:60px;width:auto;max-width:calc(100vw - 20px);padding:10px;font-size:10px}.panel-title{font-size:9px}#subtitle-bar{width:90vw;padding:8px 15px;bottom:10px}#subtitle-text{font-size:11px}}@media (max-width: 850px) and (orientation: landscape){.hud-header{height:48px;flex-wrap:nowrap;justify-content:flex-start;padding-bottom:0}.logo{width:auto;border-bottom:none;border-right:1px solid var(--border);margin-bottom:0;padding:0 10px}.mode-toggle{width:auto;border-bottom:none;border-right:1px solid var(--border)}.stats{width:auto;flex-wrap:nowrap}.stat{min-width:70px}.audio-controls{position:static}.panel{margin-bottom:10px;margin-left:10px;width:200px}}.panel-sep{height:1px;background:var(--border);margin:10px 0}#subtitle-bar{position:absolute;bottom:30px;left:50%;transform:translate(-50%);background:#000000d1;border:1px solid var(--border);padding:10px 24px;max-width:700px;text-align:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;gap:16px;animation:subtitleIn .3s ease}#subtitle-bar.hidden{display:none}#subtitle-text{font-family:Share Tech Mono,monospace;font-size:13px;color:var(--text);line-height:1.4}#subtitle-progress{font-family:Orbitron,sans-serif;font-size:10px;color:var(--dim);white-space:nowrap}@keyframes subtitleIn{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000e0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:100;pointer-events:auto;font-family:Orbitron,sans-serif}.overlay h2{color:var(--cyan);text-shadow:0 0 20px var(--cyan);margin-bottom:12px;font-size:22px}.overlay p{font-family:Share Tech Mono,monospace;color:var(--text);margin-bottom:25px;max-width:500px;text-align:center;line-height:1.5}button#start-btn{background:#00e5ff14;border:1px solid var(--cyan);color:var(--cyan);padding:12px 32px;font-family:Orbitron,sans-serif;font-size:15px;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 0 10px #00e5ff26;letter-spacing:1px}button#start-btn:hover:not(:disabled){background:#00e5ff40;box-shadow:0 0 25px #00e5ff80;transform:scale(1.02)}button#start-btn:disabled{opacity:.5;cursor:not-allowed;border-color:var(--dim);color:var(--dim);box-shadow:none}.progress-bar{width:300px;height:3px;background:#ffffff0f;border:1px solid var(--border);margin-bottom:22px;overflow:hidden}.progress-fill{width:0%;height:100%;background:linear-gradient(90deg,var(--cyan),var(--amber));box-shadow:0 0 10px var(--cyan);animation:loading-progress 4s ease-in-out forwards}@keyframes loading-progress{0%{width:0%}30%{width:35%}60%{width:60%}80%{width:75%}to{width:90%}}