:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#f6f8fa;background:#101519;font-synthesis:none}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{overscroll-behavior:none}button,input,select,textarea{font:inherit}button,.button{border:0;border-radius:14px;cursor:pointer;min-height:46px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;text-align:center;color:inherit;padding:11px 17px;font-weight:600;-webkit-tap-highlight-color:transparent}button:disabled{opacity:.42;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #7fffca;outline-offset:3px}[hidden]{display:none!important}#app{position:fixed;inset:0;background:#101519;height:100dvh;isolation:isolate}#stage{position:absolute;inset:0;touch-action:none;overflow:hidden;background:radial-gradient(ellipse at 50% 47%,#253539 0,transparent 60%),linear-gradient(0deg,#14202488 1px,transparent 1px),linear-gradient(90deg,#14202488 1px,transparent 1px);background-size:auto,40px 40px,40px 40px}#video,#overlay{position:absolute;max-width:none;max-height:none;pointer-events:none}#video{z-index:0}#overlay{z-index:1}.crosshair{position:absolute;top:50%;left:50%;width:26px;height:26px;transform:translate(-50%,-50%);opacity:.23;pointer-events:none}.crosshair:before,.crosshair:after{content:"";position:absolute;background:#a2bab7}.crosshair:before{height:1px;left:0;right:0;top:50%}.crosshair:after{width:1px;top:0;bottom:0;left:50%}body.has-source .crosshair{display:none}header{position:absolute;left:0;right:0;top:0;padding:calc(12px + env(safe-area-inset-top)) 16px 8px;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(#080d12d9,transparent);z-index:3;pointer-events:none}.brand{font-size:15px;font-weight:800;letter-spacing:.08em;display:flex;align-items:center;gap:5px}.brand span{font-weight:400;color:#a0b9b5}.brand small{font-size:10px;border:1px solid #627f7777;border-radius:5px;padding:2px 4px;letter-spacing:0;color:#90b5ac;margin-left:5px}.header-actions{display:flex;gap:7px;pointer-events:auto}.icon{padding:0;width:43px;min-height:43px;background:#142126d9;border:1px solid #78918a30;font-size:23px;backdrop-filter:blur(12px)}.presets{position:absolute;left:16px;right:16px;top:calc(72px + env(safe-area-inset-top));display:flex;justify-content:center;gap:7px;z-index:3}.presets button{background:#162124d9;border:1px solid #79918940;backdrop-filter:blur(12px);padding:9px 12px;min-height:40px;border-radius:22px;font-size:13px;min-width:62px}.presets button[aria-pressed=true]{background:#c7ffdd;color:#0c2820;border-color:#c7ffdd}#tracking-hud{position:absolute;top:calc(126px + env(safe-area-inset-top));left:0;right:0;display:flex;justify-content:center;gap:12px;align-items:center;pointer-events:none;color:#c0d0c8;font-size:11px;text-shadow:0 1px 6px #000}#mode-badge{padding:5px 9px;border-radius:8px;background:#10191bc9;color:#b5cac2;letter-spacing:.05em;font-weight:600}body[data-mode=tracking] #mode-badge{color:#bbffcf}body[data-mode=uncertain] #mode-badge,body[data-mode=lost] #mode-badge{color:#ffd099}#performance{font-variant-numeric:tabular-nums;font-size:11px}#camera-prompt{position:absolute;left:24px;right:24px;top:calc(155px + env(safe-area-inset-top));text-align:center;pointer-events:none}#camera-prompt p{font-size:13px;line-height:1.5;color:#b2c5c0;margin:0 0 12px;text-shadow:0 1px 6px #000}#open-camera-main{background:#d0ffe4;color:#153327;pointer-events:auto;min-height:44px}.bottom-panel{position:absolute;bottom:0;left:0;right:0;padding:45px 18px calc(15px + env(safe-area-inset-bottom));background:linear-gradient(transparent,#080f14e8 25%,#080f14f7);text-align:center;pointer-events:none}#status{margin:0 auto 10px;max-width:610px;line-height:1.35;font-size:13px;min-height:18px;color:#e1eae5}#setup-tools{display:flex;justify-content:center;gap:8px;margin-bottom:6px;pointer-events:auto}.minor{min-height:34px;border-radius:10px;background:#253237a8;font-size:12px;padding:7px 13px;color:#c9d8d1}#gesture-hint{font-size:11px;color:#8fa89d;margin:8px 0 13px}.actions{display:flex;max-width:440px;margin:auto;gap:9px;pointer-events:auto}.primary{flex:1;min-height:54px;background:#bfffce;color:#102b1d;font-size:17px;font-weight:700}.secondary{background:#26363d;color:#e2eee8;border:1px solid #6e8c8333}.actions .secondary{flex:1;font-size:14px;min-height:54px}.primary:active{background:#91e9a7}.minor:active,.secondary:active{background:#3e5559}#engine-label{display:block;color:#647d72;font-size:9px;margin-top:11px}dialog{max-width:480px;width:calc(100% - 24px);max-height:calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom));padding:0 20px 18px;background:#172226;color:#e3ece7;border:1px solid #476158;border-radius:21px;overflow:auto;overscroll-behavior:contain;box-shadow:0 20px 80px #000a}dialog::backdrop{background:#020609a0;backdrop-filter:blur(8px)}.dialog-head{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;background:#172226;z-index:1;padding:17px 0 10px}h1{font-size:20px;margin:0}h2{font-size:14px;letter-spacing:.015em;margin:3px 0 13px;color:#cae1d3}section{padding:15px 0;border-bottom:1px solid #3e524844}section:last-child{border:0}label{display:flex;flex-direction:column;gap:8px;font-size:12px;color:#adbbb6;margin:13px 0}label.button{display:flex;color:#e3ece7;font-size:13px}input,select,textarea{width:100%;border:1px solid #52625c;background:#101a1c;color:#e4f1e9;border-radius:10px;padding:10px;min-height:42px}input[type=range]{padding:0;border:0;accent-color:#bfffce}.hint,#model-info{font-size:12px;line-height:1.55;color:#9cafaa;margin:11px 0}.full{width:100%;font-size:13px}.button-row{display:flex;gap:9px}.button-row>*{flex:1;font-size:12px}.diagnostics{font-size:11px;line-height:1.6;color:#bdc8c3;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}details{font-size:12px;color:#adc4b8;margin-top:16px}#video-controls{display:flex;gap:8px;margin:10px 0}.immersive header,.immersive .presets{opacity:.9}@media(min-width:700px){header{padding-left:25px;padding-right:25px}.presets{left:50%;right:auto;transform:translateX(-50%);top:calc(19px + env(safe-area-inset-top))}.presets button{min-width:85px}#tracking-hud{top:calc(80px + env(safe-area-inset-top))}#camera-prompt{top:calc(125px + env(safe-area-inset-top))}.bottom-panel{padding-top:40px}#gesture-hint{font-size:12px}}@media(max-height:540px){.presets{top:calc(60px + env(safe-area-inset-top))}#tracking-hud{top:calc(110px + env(safe-area-inset-top));left:16px;right:auto}#camera-prompt{top:125px;left:auto;right:25px;width:240px}.bottom-panel{padding-top:20px}.bottom-panel #status{font-size:11px;margin-bottom:6px}#gesture-hint{margin:5px 0 7px}#engine-label{display:none}.primary,.actions .secondary{min-height:42px}.minor{min-height:30px}#setup-tools{margin-bottom:0}}@media(min-width:700px) and (max-height:540px){.presets{top:calc(18px + env(safe-area-inset-top))}#tracking-hud{top:calc(72px + env(safe-area-inset-top))}}