:root{font-family:system-ui,-apple-system,sans-serif;color:#eaf4f5;background:#08151b;color-scheme:dark}*{box-sizing:border-box}body{margin:0;padding:24px 18px calc(24px + env(safe-area-inset-bottom))}main{max-width:620px;margin:auto}header{margin-bottom:22px}.brand{font-size:25px;font-weight:800;letter-spacing:2px}.brand span{color:#50e2b5;font-size:16px}header p,footer{color:#8ba4ae;font-size:13px}.camera{position:relative;width:100%;height:min(48vh,400px);min-height:230px;background:#102730;border:1px solid #2b4752;border-radius:20px;overflow:hidden}video{display:block;width:100%;height:100%;object-fit:cover;object-position:center}.roi{position:absolute;left:8%;top:38%;width:84%;height:24%;border:2px solid #50e2b5;border-radius:8px;box-shadow:0 0 0 100vmax #0007;pointer-events:none}.roi span{position:absolute;top:-25px;width:100%;text-align:center;font-size:10px;font-weight:700;letter-spacing:2px;color:#b5ffe7}.camera-label{position:absolute;bottom:14px;left:16px;font-size:10px;letter-spacing:1px;color:#fff}#status{font-size:14px;min-height:40px;color:#b3c9d0;line-height:1.5}.actions{display:flex;gap:10px}button{min-height:54px;border:0;border-radius:12px;font-weight:800;font-size:14px;padding:12px 16px;cursor:pointer}#activate{background:#203c46;color:#e5f2f4;flex:1}#scan{background:#50e2b5;color:#07291e;flex:1.3;font-size:17px}button:disabled{opacity:.4;cursor:default}.result{margin-top:22px;padding:22px;background:#10242c;border:1px solid #25414b;border-radius:18px}label{font-size:12px;color:#8ba4ae}pre{font-family:inherit;font-weight:700;font-size:30px;white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0 24px}.timing{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #29424b;padding-top:16px}.timing span{color:#9db4bd;font-size:14px}.timing strong{color:#50e2b5;font-size:24px}small{display:block;color:#8ba4ae;font-size:12px;line-height:1.6;margin-top:10px}details{margin:20px 0;color:#9db4bd;font-size:13px}summary{cursor:pointer;padding:8px 0}canvas{max-width:100%;margin-top:12px;background:#fff}footer{text-align:center;line-height:1.8}button:focus-visible,summary:focus-visible{outline:3px solid white;outline-offset:4px}.roi{top:44%;height:12%}#diagnostics{font:11px monospace;max-height:300px;overflow:auto;white-space:pre-wrap}.roi{top:36%;height:28%;left:6%;width:88%}.camera{height:min(50svh,400px)}.brand{font-size:22px}#raw{font-size:18px}.audio-actions{display:flex;gap:8px;margin-top:10px}.audio-actions button{flex:1;background:#203c46;color:#d2e5e9;min-height:42px;font-size:11px;padding:8px}