:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}#root{width:100%;height:100%}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.browser-app{display:flex;flex-direction:column;height:100vh;width:100vw;background:#f5f5f5;overflow:hidden}.status-bar{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:8px 20px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 8px #0000001a;z-index:100;flex-shrink:0}.status-left,.status-right{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.app-title{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;white-space:nowrap}.app-icon{font-size:1.2rem}.status-divider{width:1px;height:20px;background:rgba(255,255,255,.3);flex-shrink:0}.node-status,.network-count{display:flex;align-items:center;gap:6px;font-size:.85rem}.node-status .online{color:#4ade80}.node-status .offline{color:#f87171}.node-id{font-family:Courier New,monospace;opacity:.8;font-size:.8rem}.user-name{font-size:.9rem;opacity:.9}.icon-btn{background:rgba(255,255,255,.1);border:none;color:#fff;padding:6px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.icon-btn:hover{background:rgba(255,255,255,.2)}.toolbar{background:white;border-bottom:1px solid #e5e7eb;padding:10px 20px;display:flex;align-items:center;gap:12px;z-index:90;flex-shrink:0;flex-wrap:wrap}.toolbar-btn{background:transparent;border:1px solid #e5e7eb;padding:8px 16px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:6px;font-size:.9rem;color:#374151;transition:all .2s;white-space:nowrap;flex-shrink:0}.toolbar-btn:hover{background:#f9fafb;border-color:#667eea;color:#667eea}.toolbar-btn.active{background:#667eea;border-color:#667eea;color:#fff}.toolbar-divider{width:1px;height:24px;background:#e5e7eb;flex-shrink:0}.network-selector{padding:8px 12px;border:2px solid #e5e7eb;border-radius:8px;font-size:.9rem;color:#374151;background:white;cursor:pointer;transition:all .2s;outline:none;min-width:150px;max-width:200px}.network-selector:hover{border-color:#667eea}.network-selector:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.address-bar{flex:1;min-width:200px;display:flex;gap:10px;align-items:center}.address-bar input{flex:1;min-width:0;padding:10px 16px;border:2px solid #e5e7eb;border-radius:24px;font-size:.9rem;outline:none;transition:all .2s}.address-bar input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.go-btn{background:#667eea;color:#fff;border:none;padding:10px 24px;border-radius:24px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap;flex-shrink:0}.go-btn:hover:not(:disabled){background:#5a67d8;transform:translateY(-1px);box-shadow:0 4px 12px #667eea4d}.go-btn:disabled{opacity:.5;cursor:not-allowed}.network-panel{background:white;border-bottom:1px solid #e5e7eb;max-height:60vh;overflow-y:auto;z-index:80;box-shadow:0 4px 12px #0000001a}.panel-header{padding:16px 20px;border-bottom:1px solid #e5e7eb;display:flex;justify-content:space-between;align-items:center;background:#f9fafb}.panel-header h3{margin:0;font-size:1.1rem;color:#1f2937}.panel-section{padding:20px;border-bottom:1px solid #f3f4f6}.panel-section:last-child{border-bottom:none}.panel-section h4{margin:0 0 15px;font-size:.95rem;color:#6b7280;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.join-form{display:flex;gap:10px}.join-form input{flex:1;padding:10px 14px;border:2px solid #e5e7eb;border-radius:8px;font-size:.9rem;font-family:Courier New,monospace;outline:none;transition:all .2s}.join-form input:focus{border-color:#667eea}.network-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.network-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;padding:14px;transition:all .2s}.network-card:hover{border-color:#667eea;box-shadow:0 4px 12px #667eea1a}.network-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.network-id{font-family:Courier New,monospace;font-size:.85rem;font-weight:600;color:#1f2937}.badge{padding:3px 8px;border-radius:12px;font-size:.75rem;font-weight:600}.badge.success{background:#d1fae5;color:#065f46}.badge.warning{background:#fef3c7;color:#92400e}.network-body{margin-bottom:10px}.network-field{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:.85rem}.field-label{color:#6b7280}.field-value{color:#1f2937;font-weight:500}.empty-hint{text-align:center;padding:40px 20px;color:#9ca3af}.empty-hint p{margin:10px 0 0;font-size:.9rem}.main-content{flex:1;overflow:hidden;position:relative}.welcome-screen{height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f7fa 0%,#c3cfe2 100%)}.welcome-content{text-align:center;max-width:600px;padding:40px}.welcome-icon{font-size:5rem;margin-bottom:20px;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.welcome-content h1{font-size:2rem;color:#1f2937;margin:0 0 10px}.welcome-content>p{color:#6b7280;font-size:1.1rem;margin-bottom:40px}.quick-tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;margin-top:30px}.tip{background:white;padding:20px;border-radius:12px;box-shadow:0 2px 8px #0000001a;text-align:left}.tip strong{display:block;color:#667eea;margin-bottom:8px;font-size:.95rem}.tip span{color:#6b7280;font-size:.85rem;line-height:1.5}.toast{position:fixed;bottom:20px;right:20px;background:white;padding:14px 20px;border-radius:12px;box-shadow:0 4px 20px #00000026;display:flex;align-items:center;gap:12px;z-index:1000;animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}.toast.error{border-left:4px solid #ef4444}.toast button{background:none;border:none;font-size:1.5rem;color:#9ca3af;cursor:pointer;padding:0;line-height:1}@media (max-width: 768px){.status-bar{padding:6px 12px}.status-left,.status-right{gap:8px}.app-title span:last-child{display:none}.node-id,.network-count span,.status-divider{display:none}.toolbar{padding:8px 12px;gap:8px}.toolbar-btn span,.toolbar-divider{display:none}.address-bar{width:100%;flex-basis:100%}.address-bar input{font-size:.85rem;padding:8px 12px}.go-btn{padding:8px 16px;font-size:.85rem}.network-grid,.quick-tips{grid-template-columns:1fr}.network-panel{max-height:50vh}}@media (max-width: 480px){.status-bar{padding:4px 8px}.toolbar{padding:6px 8px}.address-bar input{font-size:.8rem}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:20px}.login-card{background:white;border-radius:16px;padding:40px;box-shadow:0 20px 60px #0000004d;width:100%;max-width:420px;animation:slideUp .4s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-card h1{margin:0 0 8px;font-size:1.8rem;color:#1f2937;text-align:center}.subtitle{margin:0 0 32px;color:#6b7280;text-align:center;font-size:.95rem}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#374151;font-weight:500;font-size:.9rem}.form-group input{width:100%;padding:12px 16px;border:2px solid #e5e7eb;border-radius:8px;font-size:.95rem;transition:all .2s;outline:none;box-sizing:border-box}.form-group input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.btn-primary{width:100%;padding:12px 24px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.toggle-mode{margin-top:24px;text-align:center;color:#6b7280;font-size:.9rem}.link-btn{background:none;border:none;color:#667eea;font-weight:600;cursor:pointer;padding:0;margin-left:4px;text-decoration:none;transition:color .2s}.link-btn:hover{color:#5a67d8;text-decoration:underline}.alert{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:.9rem}.alert.error{background:#fee2e2;border-left:4px solid #ef4444;color:#991b1b}@media (max-width: 480px){.login-card{padding:30px 24px}.login-card h1{font-size:1.5rem}}.browser-overlay{position:fixed;top:0;left:0;right:0;bottom:0;width:100%;height:100%;background:rgba(0,0,0,.95);display:flex;align-items:center;justify-content:center;z-index:1000;padding:0;animation:fadeIn .2s ease-out}.browser-container{background:white;border-radius:0;width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden;box-shadow:none}.browser-header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:12px 16px;display:flex;align-items:center;gap:12px;box-shadow:0 2px 8px #0000001a}.browser-controls{display:flex;gap:4px}.browser-btn{background:rgba(255,255,255,.2);border:none;color:#fff;padding:8px;border-radius:6px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.browser-btn:hover:not(:disabled){background:rgba(255,255,255,.3);transform:translateY(-1px)}.browser-btn:disabled{opacity:.4;cursor:not-allowed}.browser-btn.close-btn:hover{background:#ff4444}.browser-address-bar{flex:1;display:flex;gap:8px;background:white;border-radius:8px;padding:4px}.browser-address-bar input{flex:1;border:none;padding:8px 12px;font-size:14px;outline:none;background:transparent}.btn-navigate{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;padding:8px 20px;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s}.btn-navigate:hover{transform:translateY(-1px);box-shadow:0 4px 12px #667eea66}.browser-actions{display:flex;gap:4px}.browser-content{flex:1;position:relative;background:#f5f5f5;display:flex;flex-direction:column}.browser-iframe{flex:1;width:100%;border:none;background:white}.browser-loading{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.95);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:10}.browser-loading .spinner{width:40px;height:40px;border:3px solid #e0e0e0;border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.browser-loading p{margin-top:12px;color:#666;font-size:14px}.browser-tip{background:linear-gradient(135deg,#ffd89b 0%,#19547b 100%);color:#fff;padding:12px 20px;display:flex;align-items:center;gap:12px;font-size:14px;box-shadow:0 2px 8px #0000001a;animation:slideDown .3s ease-out;z-index:5}.browser-tip strong{font-weight:700;text-decoration:underline}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease-out}.modal-content{background:white;border-radius:12px;width:90%;max-width:400px;box-shadow:0 20px 60px #0003;animation:scaleUp .2s ease-out}.modal-header{padding:20px 24px;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between}.modal-header h2{margin:0;font-size:1.2rem;color:#1f2937}.close-btn{background:none;border:none;color:#9ca3af;cursor:pointer;padding:4px;border-radius:4px;transition:all .2s}.close-btn:hover{background:#f3f4f6;color:#4b5563}.modal-form{padding:24px}.input-wrapper{position:relative;display:flex;align-items:center}.input-wrapper svg{position:absolute;left:12px;color:#9ca3af}.input-wrapper input{padding-left:40px}.modal-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}.btn-secondary{background:#f3f4f6;color:#4b5563;border:1px solid #e5e7eb;padding:10px 20px;border-radius:8px;font-weight:500}.btn-secondary:hover{background:#e5e7eb}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.browser-app{display:flex;flex-direction:column;height:100vh;background:#f5f5f5}.status-bar{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;background:white;border-bottom:1px solid #e0e0e0;height:48px}.status-left{display:flex;align-items:center;gap:16px}.app-title{display:flex;align-items:center;gap:8px;font-weight:600;color:#333}.app-icon{font-size:20px}.status-divider{width:1px;height:24px;background:#e0e0e0}.node-status{display:flex;align-items:center;gap:8px;font-size:14px}.node-status .online{color:#4caf50}.node-status .offline{color:#f44336}.node-id{font-family:monospace;color:#666}.network-count{display:flex;align-items:center;gap:6px;font-size:14px;color:#666}.status-right{display:flex;align-items:center;gap:12px}.user-menu-container{position:relative}.user-menu-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#f5f5f5;border:1px solid #e0e0e0;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s}.user-menu-btn:hover{background:#e8e8e8}.user-dropdown{position:absolute;top:calc(100% + 4px);right:0;background:white;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 4px 12px #0000001a;min-width:180px;z-index:1000}.user-dropdown button{width:100%;display:flex;align-items:center;gap:8px;padding:10px 16px;background:none;border:none;text-align:left;cursor:pointer;font-size:14px;transition:background .2s}.user-dropdown button:hover{background:#f5f5f5}.user-dropdown button.danger{color:#f44336}.user-dropdown button:first-child{border-radius:8px 8px 0 0}.user-dropdown button:last-child{border-radius:0 0 8px 8px}.toolbar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:white;border-bottom:1px solid #e0e0e0}.toolbar-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;background:white;border:1px solid #e0e0e0;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s}.toolbar-btn:hover{background:#f5f5f5}.toolbar-btn.active{background:#e3f2fd;border-color:#2196f3;color:#2196f3}.toolbar-divider{width:1px;height:24px;background:#e0e0e0}.network-selector{padding:8px 12px;border:1px solid #e0e0e0;border-radius:6px;font-size:14px;cursor:pointer;background:white}.address-bar{flex:1;display:flex;gap:8px}.address-bar input{flex:1;padding:8px 12px;border:1px solid #e0e0e0;border-radius:6px;font-size:14px}.go-btn{padding:8px 20px;background:#2196f3;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:background .2s}.go-btn:hover{background:#1976d2}.go-btn:disabled{background:#ccc;cursor:not-allowed}.network-panel{position:absolute;top:96px;left:16px;width:400px;max-height:calc(100vh - 120px);background:white;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 4px 12px #0000001a;overflow-y:auto;z-index:100}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid #e0e0e0}.panel-header h3{margin:0;font-size:16px}.icon-btn{padding:6px;background:none;border:none;cursor:pointer;border-radius:4px;transition:background .2s}.icon-btn:hover{background:#f5f5f5}.panel-section{padding:16px;border-bottom:1px solid #f0f0f0}.panel-section h4{margin:0 0 12px;font-size:14px;color:#666}.join-form{display:flex;gap:8px}.join-form input{flex:1;padding:8px 12px;border:1px solid #e0e0e0;border-radius:6px;font-size:14px}.btn-primary{display:flex;align-items:center;gap:6px;padding:8px 16px;background:#2196f3;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:background .2s}.btn-primary:hover{background:#1976d2}.btn-primary:disabled{background:#ccc;cursor:not-allowed}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.empty-hint{display:flex;flex-direction:column;align-items:center;padding:32px;color:#999}.network-grid{display:flex;flex-direction:column;gap:12px}.network-card{padding:12px;background:#f9f9f9;border:1px solid #e0e0e0;border-radius:6px}.network-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.network-id{font-family:monospace;font-size:12px;color:#666}.badge{padding:2px 8px;border-radius:12px;font-size:11px;font-weight:500}.badge.success{background:#e8f5e9;color:#4caf50}.badge.warning{background:#fff3e0;color:#ff9800}.network-body{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}.network-field{display:flex;gap:8px;font-size:13px}.field-label{color:#666;min-width:40px}.field-value{color:#333}.btn-danger{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#ffebee;color:#f44336;border:1px solid #ffcdd2;border-radius:4px;cursor:pointer;font-size:13px;transition:all .2s}.btn-danger:hover{background:#ffcdd2}.btn-sm{font-size:12px;padding:4px 10px}.main-content{flex:1;overflow:hidden}.welcome-screen{display:flex;align-items:center;justify-content:center;height:100%;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.welcome-content{text-align:center;color:#fff;max-width:600px;padding:40px}.welcome-icon{font-size:64px;margin-bottom:20px}.welcome-content h1{margin:0 0 12px;font-size:32px}.welcome-content p{margin:0 0 32px;font-size:18px;opacity:.9}.quick-tips{display:flex;flex-direction:column;gap:16px;text-align:left}.tip{display:flex;flex-direction:column;gap:4px;padding:16px;background:rgba(255,255,255,.1);border-radius:8px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.tip strong{font-size:16px}.tip span{opacity:.9}.toast{position:fixed;bottom:20px;right:20px;padding:12px 20px;background:white;border-radius:8px;box-shadow:0 4px 12px #00000026;display:flex;align-items:center;gap:12px;z-index:1000}.toast.error{border-left:4px solid #f44336}.toast button{background:none;border:none;font-size:20px;cursor:pointer;color:#999}.admin-dashboard{display:flex;height:100vh;background:#f3f4f6;color:#1f2937}.admin-sidebar{width:240px;background:white;border-right:1px solid #e5e7eb;display:flex;flex-direction:column}.sidebar-header{padding:20px;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;gap:12px}.sidebar-header h2{margin:0;font-size:1.2rem;color:#4f46e5}.back-btn{background:none;border:none;cursor:pointer;color:#6b7280;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s}.back-btn:hover{background:#f3f4f6;color:#1f2937}.sidebar-nav{padding:20px 0}.sidebar-nav button{width:100%;display:flex;align-items:center;gap:12px;padding:12px 24px;background:none;border:none;color:#4b5563;cursor:pointer;text-align:left;font-size:.95rem;transition:all .2s}.sidebar-nav button:hover{background:#f9fafb;color:#1f2937}.sidebar-nav button.active{background:#eef2ff;color:#4f46e5;border-right:3px solid #4f46e5}.admin-content{flex:1;padding:32px;overflow-y:auto}.content-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.content-header h1{margin:0;font-size:1.5rem}.refresh-btn{background:white;border:1px solid #e5e7eb;padding:8px;border-radius:6px;cursor:pointer;color:#6b7280;transition:all .2s}.refresh-btn:hover{background:#f9fafb;color:#4f46e5}.spin{animation:spin 1s linear infinite}.alert{padding:12px 16px;border-radius:8px;margin-bottom:24px;display:flex;align-items:center;gap:12px}.alert.error{background:#fee2e2;color:#991b1b}.alert.success{background:#dcfce7;color:#166534}.data-table{width:100%;background:white;border-radius:8px;border-collapse:collapse;box-shadow:0 1px 3px #0000001a}.data-table th,.data-table td{padding:16px;text-align:left;border-bottom:1px solid #e5e7eb}.data-table th{background:#f9fafb;font-weight:600;color:#4b5563}.data-table tr:last-child td{border-bottom:none}.actions{display:flex;gap:8px}.btn-icon{padding:6px;border-radius:4px;border:none;cursor:pointer;transition:all .2s}.btn-icon.warning{background:#fef3c7;color:#d97706}.btn-icon.warning:hover{background:#fde68a}.btn-icon.danger{background:#fee2e2;color:#dc2626}.btn-icon.danger:hover{background:#fecaca}.stats-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-bottom:32px}.stat-card{background:white;padding:24px;border-radius:8px;box-shadow:0 1px 3px #0000001a}.stat-card h3{margin:0 0 8px;color:#6b7280;font-size:.9rem;font-weight:500}.stat-card .value{font-size:2rem;font-weight:700;color:#1f2937}.url-cell{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-badge{padding:2px 8px;border-radius:999px;font-size:.8rem;font-weight:500}.status-badge.success{background:#dcfce7;color:#166534}.status-badge.error{background:#fee2e2;color:#991b1b}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:64px;color:#9ca3af}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}