:root{font:18px system-ui,sans-serif;color:#1b343f;background:#f6f9fb}body{margin:0}section{padding:16px;max-width:700px;margin:auto}button,input{font:inherit;min-height:46px;border-radius:10px;padding:10px 16px;border:1px solid #89aab6;background:white;cursor:pointer}button:disabled{opacity:.5}label{display:block;margin:18px 0}label input{display:block;width:100%;box-sizing:border-box;margin-top:8px}.direction-picker{height:calc(100dvh - 90px);min-height:340px;display:flex;flex-direction:column;gap:8px;padding:8px;box-sizing:border-box}.direction-picker button{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;color:white;border:0}.direction-picker span{font-size:clamp(40px,12vw,90px);font-weight:800}.direction-picker small{font-size:20px}.choose-in,.in{background:#146c43}.choose-out,.out{background:#a23d12}.live{text-align:center}.direction{font-size:54px;font-weight:800;color:white;border-radius:12px;padding:4px}.live img{width:90%;max-width:370px;background:white}.live button{margin:6px}footer{padding:8px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap;font-size:14px}footer button{font-size:14px}.status{padding:12px;background:#e7eff2;overflow-wrap:anywhere}.stale img{visibility:hidden}
/* Release B: verified device lifecycle */
:root{line-height:1.5}*{box-sizing:border-box}button,input{min-height:48px;min-width:48px;max-width:100%}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #b16b00;outline-offset:3px}.holder-intro{text-align:center;padding:8px}.holder-intro p{margin:4px}.actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.mono{overflow-wrap:anywhere;font-family:monospace;font-size:.8rem}.error{padding:12px;background:#fff0e6;border:1px solid #c97d56;border-radius:10px}p{overflow-wrap:anywhere}.direction-picker{height:calc(100svh - 150px)}@media(max-width:360px){section{padding:12px}.direction{font-size:44px}}
.exchange-qr{display:block;width:min(100%,480px);height:auto;margin:16px auto;background:#fff;padding:12px;box-sizing:border-box}.optical-scanner video{width:100%;max-height:360px;background:#111}.optical-scanner [id$="-fallback"]{width:100%}.exchange-qr+.mono{overflow-wrap:anywhere}
/* Html5Qrcode calculates crop coordinates from the rendered video ratio. */
#qr-fallback video,.optical-scanner [id$="-fallback"] video{width:100%!important;height:auto!important;max-height:none!important;aspect-ratio:auto!important;object-fit:contain}
.optical-scanner [id$="-fallback"]{max-width:600px;margin:auto}