html,body{margin:0;overflow:hidden;touch-action:none;font-family:sans-serif;background:#000;position:fixed;width:100%;height:100%}body{overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.welcome-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000d9;display:flex;justify-content:center;align-items:center;z-index:1000}.welcome-content{background-color:#222;padding:2rem;border-radius:1rem;text-align:center;max-width:90%;width:400px;color:#fff}.welcome-content img{padding:1rem 2rem}.welcome-content p{color:#aaa;margin:1rem 0;line-height:1.5;font-variant:all-small-caps;letter-spacing:3px}button{padding:.7em 1.3em;border-radius:1em;font-size:1.1em;background:#333;color:#fff;border:none;cursor:pointer;opacity:.92;-webkit-user-select:none;user-select:none;min-width:44px;min-height:44px;display:flex;align-items:center}#startAppBtn{position:static;display:inline-block;background:gold;color:#333;font-weight:700;margin-top:1.5rem;padding:1rem 2rem;border-radius:2rem;border:none;cursor:pointer;font-size:1.2rem;transition:background-color .3s;display:none}#startAppBtn:disabled{background:#666;color:#999;cursor:not-allowed;opacity:.7}#startAppBtn:not(:disabled):hover{background:#ffed4e}#app{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;background:#000}#debug{display:none;position:absolute!important;top:10px!important;right:10px!important;background:#000c!important;color:#fff!important;padding:10px!important;font-family:monospace!important;font-size:12px!important;z-index:4!important;border-radius:5px;max-width:300px;word-wrap:break-word}#cameraToggle{position:absolute;top:10px;left:10px;background:#000000b3;color:#fff;border:none;padding:10px 15px;border-radius:5px;cursor:pointer;font-size:12px;z-index:10;display:none;transition:background-color .3s}#cameraToggle:hover{background:#000000e6}#cameraToggle:active{background:#fff3}#downloadFile{position:absolute;bottom:10px;left:10px;background:#000000b3;color:#fff;border:none;padding:10px 15px;border-radius:5px;cursor:pointer;font-size:12px;z-index:10;display:none;transition:background-color .3s}#downloadFile:hover{background:#000000e6}#downloadFile:active{background:#fff3}#loading-spinner,#loading-spinner div{box-sizing:border-box}#loading-spinner{display:inline-block;position:relative;width:80px;height:80px}#loading-spinner div{box-sizing:border-box;display:block;position:absolute;width:64px;height:64px;margin:8px;border:8px solid currentColor;border-radius:50%;animation:loading-spinner 1.2s cubic-bezier(.5,0,.5,1) infinite;border-color:currentColor transparent transparent transparent}#loading-spinner div:nth-child(1){animation-delay:-.45s}#loading-spinner div:nth-child(2){animation-delay:-.3s}#loading-spinner div:nth-child(3){animation-delay:-.15s}@keyframes loading-spinner{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#svgPreviewContainer{max-width:200px;margin:0 auto}#svgPreviewContainer svg{width:100%;height:auto}.welcome-footer a{color:#eee;font-weight:400}