*,::after,::before{box-sizing:border-box;margin:0;padding:0}body,html{width:100%;height:100%;overflow:hidden;background:#000;color:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%}#config-error{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:#111}#config-error[hidden]{display:none}.error-box{background:#c0392b;padding:1.75rem;border-radius:10px;max-width:420px;width:100%;text-align:center;box-shadow:0 4px 24px rgba(0,0,0,.5)}.error-box h1{font-size:1.4rem;margin-bottom:.75rem}.error-box p{font-size:.95rem;line-height:1.5;opacity:.92}.error-box code{display:block;margin-top:1rem;padding:.6rem .8rem;background:rgba(0,0,0,.35);border-radius:6px;font-size:.78rem;word-break:break-all;text-align:left}#app{position:fixed;inset:0}#app[hidden]{display:none}#camera-container{position:absolute;inset:0}#camera-video{width:100%;height:100%;object-fit:cover;display:block}#camera-error{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:rgba(0,0,0,.85);text-align:center}#camera-error[hidden]{display:none}#camera-error p{font-size:1rem;max-width:320px;line-height:1.5;color:#ff6b6b}#feedback-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:1.6rem;font-weight:700;letter-spacing:.02em;pointer-events:none;opacity:0;transition:opacity .15s ease-in}#feedback-overlay.show{opacity:1}#feedback-overlay.fade-out{opacity:0;transition:opacity .4s ease-out}#feedback-overlay.success{background:rgba(39,174,96,.82);color:#fff}#feedback-overlay.error{background:rgba(192,57,43,.82);color:#fff}#feedback-overlay .feedback-icon{font-size:3.5rem;margin-bottom:.5rem}#feedback-overlay .feedback-message{font-size:1.1rem;text-align:center;padding:0 1.5rem}#status-bar{position:absolute;bottom:0;left:0;right:0;padding:.75rem 1rem calc(1rem + env(safe-area-inset-bottom));padding-left:calc(1rem + env(safe-area-inset-left));padding-right:calc(1rem + env(safe-area-inset-right));background:linear-gradient(to top,rgba(0,0,0,.75) 0,transparent 100%);display:flex;flex-direction:column;gap:.3rem}#counter-display{font-size:1.25rem;font-weight:700;text-shadow:0 1px 4px rgba(0,0,0,.7)}#last-scan-display{font-size:.95rem;opacity:.9;text-shadow:0 1px 4px rgba(0,0,0,.7);min-height:1.2em}#scanning-indicator{position:absolute;top:calc(1rem + env(safe-area-inset-top));left:50%;transform:translateX(-50%);background:rgba(0,0,0,.55);padding:.35rem 1rem;border-radius:20px;font-size:.85rem;color:rgba(255,255,255,.9);white-space:nowrap}