:root{--bg-main:#f4f7f9;--bg-card:#fff;--text-main:#455a6b;--text-heading:#1b3346;--accent:#455a6b;--accent-hover:#2d4559;--border:#d0d9e0;--danger:#e35d6a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text-main);background-color:var(--bg-main);box-sizing:border-box;font-family:system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--bg-main);width:100%;min-height:100vh;margin:0;padding:0}#root{text-align:left;border:none;flex-direction:column;width:100%;max-width:none;min-height:100vh;margin:0;padding:0;display:flex}h1,h2,h3,h4{color:var(--text-heading)}p{margin:0}.app-container{flex-direction:column;width:100%;max-width:1200px;min-height:100vh;margin:0 auto;padding:32px 24px;display:flex}.app-header{border-bottom:2px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:32px;padding-bottom:20px;display:flex}.logo-container{align-items:center;gap:12px;display:flex}.app-title{color:var(--text-heading);margin:0;font-size:28px;font-weight:800}.header-actions{align-items:center;gap:12px;display:flex}.status-badge{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:600;display:flex;box-shadow:0 2px 4px #00000005}.icon-btn{background:var(--bg-card);border:1px solid var(--border);color:var(--text-main);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex;box-shadow:0 2px 4px #00000005}.icon-btn:hover{background:var(--border)}.main-grid{flex:1;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:32px;width:100%;display:grid}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;flex-direction:column;padding:32px;display:flex;box-shadow:0 10px 25px -5px #0000000d}.card h3{margin-top:0;margin-bottom:8px;font-size:20px}.subtext{color:var(--text-main);opacity:.8;margin-bottom:24px;font-size:14px}.qr-wrapper{background:#fff;border-radius:16px;align-self:center;margin-bottom:24px;padding:20px;display:inline-block;box-shadow:0 4px 12px #00000014}.bt-button{background:var(--bg-main);color:var(--text-heading);border:1px solid var(--border);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:10px;width:100%;padding:14px 20px;font-size:15px;font-weight:600;transition:all .2s;display:flex}.bt-button:hover{background:#e2e8f0}.input-group{gap:12px;margin-bottom:20px;display:flex}.text-input{border:1px solid var(--border);background:var(--bg-main);color:var(--text-heading);border-radius:12px;outline:none;flex:1;padding:14px;font-size:15px;transition:border-color .2s}.text-input:focus{border-color:var(--accent)}.primary-button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;align-items:center;gap:8px;padding:14px 20px;font-size:15px;font-weight:600;transition:background .2s;display:flex}.primary-button:hover{background:var(--accent-hover)}.file-buttons-group{flex-wrap:wrap;gap:16px;margin-bottom:24px;display:flex}.secondary-button{background:var(--bg-main);color:var(--text-heading);cursor:pointer;border:1px solid var(--border);border-radius:12px;flex:1;justify-content:center;align-items:center;gap:8px;padding:14px 20px;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex}.secondary-button:hover{background:#e2e8f0}.history-section{flex-direction:column;flex:1;display:flex}.history-header{border-bottom:2px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;display:flex}.history-header h4{margin:0;font-size:16px}.clear-btn{color:var(--danger);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:4px;padding:4px 8px;font-size:13px;font-weight:600;display:flex}.clear-btn:hover{background:#e35d6a1a}.history-container{max-height:400px;padding-right:8px;overflow-y:auto}.history-item{background:var(--bg-main);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;transition:box-shadow .2s;overflow:hidden}.history-item:hover{box-shadow:0 4px 12px #0000000d}.item-compact-header{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.item-title-info{color:var(--text-heading);white-space:nowrap;text-overflow:ellipsis;flex:1;align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex;overflow:hidden}.item-actions{align-items:center;gap:12px;display:flex}.item-time{color:var(--text-main);opacity:.8;font-size:12px}.delete-btn{color:var(--text-main);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;display:flex}.delete-btn:hover{color:var(--danger);background:#e35d6a1a}.item-body{border-top:1px solid var(--border);background:var(--bg-card);padding:16px}.text-content{word-break:break-all;color:var(--text-heading);margin:0 0 12px;font-size:14px;line-height:1.5}.preview-image{border:1px solid var(--border);border-radius:8px;max-width:100%;max-height:250px;margin:0 0 12px;display:block}.action-link{background:var(--accent);color:#fff;border-radius:8px;align-items:center;gap:6px;padding:10px 14px;font-size:13px;font-weight:600;text-decoration:none;transition:background .2s;display:inline-flex}.action-link:hover{background:var(--accent-hover)}.action-btn{background:var(--bg-main);color:var(--text-heading);border:1px solid var(--border);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:10px 14px;font-size:13px;font-weight:600;transition:all .2s;display:inline-flex}.action-btn:hover{background:#e2e8f0}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;background:#16171d99;justify-content:center;align-items:center;width:100vw;height:100vh;padding:20px;display:flex;position:fixed;top:0;left:0}.modal-card{background:var(--bg-card);border:1px solid var(--border);text-align:center;border-radius:16px;width:100%;max-width:400px;padding:24px;box-shadow:0 20px 25px -5px #0000001a}.modal-card h3{color:var(--text-heading);margin:0 0 12px}.modal-card p{color:var(--text-main);margin:0 0 24px;font-size:14px}.modal-actions{justify-content:center;gap:12px;display:flex}.modal-btn{cursor:pointer;border:none;border-radius:10px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s}.modal-btn.cancel{background:var(--bg-main);color:var(--text-main);border:1px solid var(--border)}.modal-btn.cancel:hover{background:#e2e8f0}.modal-btn.confirm{background:var(--accent);color:#fff}.modal-btn.confirm:hover{background:var(--accent-hover)}.device-list{flex-direction:column;gap:10px;margin-top:16px;display:flex}.device-item{background:var(--bg-main);border:1px solid var(--border);border-radius:12px;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.device-info{color:var(--text-heading);align-items:center;gap:10px;font-size:14px;font-weight:600;display:flex}.device-status{background:var(--border);border-radius:50%;width:8px;height:8px}.device-status.active{background:#4ade80;box-shadow:0 0 8px #4ade8066}.device-actions{gap:8px;display:flex}.qr-tabs{background:var(--bg-main);border-radius:12px;gap:8px;margin-bottom:16px;padding:4px;display:flex}.qr-tab{color:var(--text-main);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:8px;font-size:13px;font-weight:600;transition:all .2s}.qr-tab.active{background:var(--bg-card);color:var(--accent);box-shadow:0 2px 4px #0000000d}.refresh-btn{border:1px solid var(--border);color:var(--text-main);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:600;transition:all .2s;display:inline-flex}.refresh-btn:hover{background:var(--bg-main);color:var(--accent)}@media (width<=600px){.app-container{padding:16px 12px}.card{padding:20px}.input-group{flex-wrap:wrap}.text-input{flex:none;width:100%}.primary-button{justify-content:center;width:100%}.app-header{flex-direction:column;align-items:flex-start}.header-actions{justify-content:space-between;width:100%}}.name-editor{background:var(--bg-main);border:1px solid var(--border);border-radius:12px;align-items:center;gap:8px;margin-bottom:24px;padding:12px;display:flex}.name-input{color:var(--text-heading);background:0 0;border:none;outline:none;flex:1;font-size:15px;font-weight:600}.name-input:focus{border-bottom:2px solid var(--accent)}.edit-icon{color:var(--text-main);cursor:pointer}.modal-input{border:1px solid var(--border);background:var(--bg-main);width:100%;color:var(--text-heading);border-radius:8px;outline:none;margin-bottom:20px;padding:12px;font-size:15px;transition:border-color .2s}.modal-input:focus{border-color:var(--accent)}.connection-methods{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.icon-btn-text{background:var(--bg-main);color:var(--text-heading);border:1px solid var(--border);cursor:pointer;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:6px;padding:10px 14px;font-size:13px;font-weight:600;transition:background .2s;display:flex}.icon-btn-text:hover{background:#e2e8f0}#reader{border-radius:12px;width:100%;max-width:300px;margin:0 auto;overflow:hidden;box-shadow:0 4px 12px #0000001a;border:none!important}#reader video{object-fit:cover;border-radius:12px}#reader__dashboard_section_csr,#reader__dashboard_section_swaplink,#reader__header_message{display:none!important}.history-dropzone{border:2px dashed #0000;border-radius:12px;flex-direction:column;flex:1;min-height:150px;transition:all .2s;display:flex;position:relative}.history-dropzone.drag-active{border-color:var(--accent);background:#455a6b0d}.drag-overlay{z-index:10;color:var(--accent);pointer-events:none;background:#ffffffe6;border-radius:12px;justify-content:center;align-items:center;font-size:16px;font-weight:700;display:flex;position:absolute;inset:0}