@import"https://cdn.jsdelivr.net/npm/viewerjs@1.11.1/dist/viewer.min.css";:root{box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}html,body{width:100%;height:100%;margin:0;overflow-x:hidden;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;touch-action:manipulation}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial}.overlay{background-color:#0009;z-index:40;position:fixed;inset:0;display:flex;align-items:center;justify-content:center}.drop_text{border:2px dashed rgba(255,255,255,.9);border-radius:12px;padding:20px;color:#fff;font-size:16px;text-align:center;max-width:75%}.app-container{min-height:100vh;display:flex;flex-direction:column;background:#f7f9fb;max-width:100%;overflow-x:hidden}.app-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid #eceff1}.title{font-size:18px;font-weight:600}.upload-btn{display:inline-flex;align-items:center;gap:8px;cursor:pointer;padding:8px 12px;border-radius:8px;background:#1976d2;color:#fff}.upload-btn i{font-size:20px}.app-footer{padding:12px;text-align:center;color:#888;font-size:13px}.empty-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:20;pointer-events:none}.empty-inner{pointer-events:auto;text-align:center}.big-upload-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;width:220px;height:220px;border-radius:16px;border:2px dashed rgba(0,0,0,.08);background:#ffffff;box-shadow:0 6px 18px #0000000f;cursor:pointer}.big-upload-btn .mdui-icon{font-size:48px;color:#1976d2}.big-upload-btn .btn-text{margin-top:12px;color:#333;font-size:14px}@media (max-width:600px){.title{font-size:16px}.upload-btn{padding:10px}.drop_text{font-size:14px}.mdui-btn{padding:2px 6px!important;font-size:10px!important;min-width:auto!important}.app-header{position:sticky;top:0;z-index:60;background:#fff}.big-upload-btn{width:180px;height:180px;border-radius:12px}.big-upload-btn .mdui-icon{font-size:40px}}