:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #8b5cf6;--accent: #3b82f6;--background: #f8fafc;--card-bg: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--text-tertiary: #94a3b8;--border: #e2e8f0;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-sm: .25rem;--radius: .5rem;--radius-lg: .75rem;--transition: all .2s ease-in-out;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: monospace}@media (prefers-color-scheme: dark){:root{--background: #0f172a;--card-bg: #1e293b;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--border: #334155}}body{font-family:var(--font-sans);background-color:var(--background);color:var(--text-primary);margin:0;padding:0;min-height:100vh;line-height:1.6;font-weight:400;transition:var(--transition)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.container{max-width:1400px;margin:0 auto;padding:0 1.5rem}header{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:1.5rem 0;position:sticky;top:0;z-index:1000;box-shadow:var(--shadow)}.header-content{display:flex;justify-content:space-between;align-items:center;padding:0 1.5rem}.logo{display:flex;align-items:center;gap:.75rem}.logo h1{font-size:1.75rem;font-weight:700;margin:0;letter-spacing:-.025em}.logo span{font-size:50px}.navbar{background-color:#ffffff1a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-lg);margin:0 auto -10px;width:calc(100% - 3rem);max-width:1400px;position:relative;z-index:110;box-shadow:var(--shadow)}.navbar-container{display:flex;justify-content:center;padding:0 1.5rem}.nav-item{color:#fff;text-decoration:none;padding:1rem 1.5rem;font-weight:500;font-size:.95rem;transition:var(--transition);border-radius:var(--radius);margin:.5rem .25rem}.nav-item:hover{background-color:#ffffff26}.nav-item.active{background-color:#fff3;font-weight:600}.nav{background-color:#333;color:#fff;padding:1rem 0}.nav-links{display:flex;gap:1.5rem}.nav-link{color:#ccc;text-decoration:none;padding:.5rem 1rem;border-radius:var(--radius);transition:all .3s ease}.nav-link:hover{color:#fff;background-color:#444}.nav-link.active{color:#fff;background-color:#555;font-weight:700}.nav-dropdown{position:relative;display:flex}.dropdown-toggle:after{content:""}.dropdown-menu{display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:var(--shadow);border-radius:var(--radius-lg);padding:.5rem 0;z-index:999;min-width:200px}.dropdown-menu a{display:block;white-space:nowrap;padding:.75rem 1.5rem;color:#fff;text-decoration:none;font-size:.95rem;transition:var(--transition)}.dropdown-menu a:hover{background-color:#ffffff26}.nav-dropdown:hover .dropdown-menu{display:block}.network-stats{display:flex;flex-wrap:wrap;gap:20px;margin-top:15px}.stat-item{padding:8px 15px;background-color:rgba(var(--primary-rgb),.1);border-radius:var(--radius);display:flex;align-items:center;gap:10px}.stat-label{font-weight:500;color:var(--text-secondary)}.stat-value{font-weight:600;color:var(--primary)}section{display:none}section.active{display:block}.page-header{text-align:center;margin:2.5rem 0 1.5rem}.page-header h1{font-weight:700;font-size:2rem;margin-bottom:.5rem;color:var(--text-primary)}.page-header h2{font-weight:500;font-size:1.25rem;color:var(--text-secondary);margin-top:0}.summary{background-color:var(--card-bg);border-radius:var(--radius-lg);padding:1.5rem;margin:2rem auto;max-width:800px;box-shadow:var(--shadow);text-align:center}.summary h2{margin-top:0;font-size:1.25rem;font-weight:600;color:var(--text-primary)}#summaryText{margin:1rem 0;font-size:1.1rem}.stats-section{background-color:#6366f10d;border-radius:var(--radius);padding:1rem;margin:.75rem 0}.stats-section h3{margin-top:0;margin-bottom:.5rem;font-size:1.1rem;font-weight:600;color:var(--primary)}.scan-status{font-size:.875rem;color:var(--text-secondary);margin-top:1rem}progress{-webkit-appearance:none;appearance:none;width:70%;height:.5rem;border-radius:1rem;overflow:hidden}progress::-webkit-progress-bar{background-color:var(--border);border-radius:1rem}progress::-webkit-progress-value{background:linear-gradient(to right,var(--primary),var(--secondary));border-radius:1rem;transition:width .5s ease}.controls{display:flex;justify-content:center;margin:1.5rem 0}.refresh-btn{background:linear-gradient(to right,var(--primary),var(--secondary));color:#fff;border:none;border-radius:var(--radius);padding:.75rem 1.5rem;font-size:1rem;font-weight:500;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow)}.refresh-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.refresh-btn:active{transform:translateY(0)}.additional-node-container{display:flex;justify-content:center;max-width:500px;margin:1.5rem auto}#additionalNode{flex:1;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font-sans);font-size:.95rem;outline:none;transition:var(--transition);background-color:var(--card-bg);color:var(--text-primary)}#additionalNode:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}#additionalCuNode{flex:1;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font-sans);font-size:.95rem;outline:none;transition:var(--transition);background-color:var(--card-bg);color:var(--text-primary)}#additionalCuNode:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-light)}.node-input-group{display:flex;align-items:center;width:45rem;gap:15px;margin-bottom:10px}.protocol-toggle{display:flex;align-items:center;white-space:nowrap}.protocol-toggle span{margin-right:8px;font-size:14px}.node-input-group input{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;background-color:var(--card-bg);color:var(--text-primary)}.toggle-buttons{display:flex;border-radius:4px;overflow:hidden;margin:5px 0;border:1px solid #ccc}.toggle-button{padding:4px 10px;border:none;background:#f0f0f0;cursor:pointer;font-size:12px}.toggle-button.selected{background:#007bff;color:#fff}.protocol-tag{font-size:11px;padding:2px 5px;border-radius:3px;margin-left:5px;display:inline-block}.protocol-tag.https{background:#28a745;color:#fff}.protocol-tag.http{background:#ffc107;color:#212529}.node-action-buttons{margin-top:1.5rem;display:flex;gap:10px}.add-node-btn{background-color:var(--primary);color:#fff;border:none;border-radius:var(--radius);padding:0 1.5rem;font-weight:500;cursor:pointer;transition:var(--transition)}.add-node-btn:hover{background-color:var(--primary-dark)}.remove-node-btn{background-color:var(--danger);color:#fff;border:none;border-radius:var(--radius);padding:.75rem 1.5rem;margin-left:.5rem;font-weight:500;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow)}.remove-node-btn:hover{background-color:#d32f2f;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.remove-node-btn:active{transform:translateY(0)}.additional-node-container{display:flex;justify-content:center;flex-wrap:wrap;max-width:600px;margin:1.5rem auto}@media (max-width: 600px){.remove-node-btn{margin-left:0;margin-top:.5rem;width:100%}.add-node-btn{border-radius:0 var(--radius) var(--radius) 0}}.status-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;padding:1rem;margin:0 auto;max-width:1400px}.node-card{background-color:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:1.25rem;transition:all .3s ease;display:flex;flex-direction:column;position:relative;overflow:hidden}.node-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.node-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(to right,var(--primary),var(--secondary));opacity:0;transition:opacity .3s ease}.node-card:hover:before{opacity:1}.node-name{font-weight:600;font-size:1.1rem;margin-bottom:1rem;color:var(--text-primary)}.status{display:flex;align-items:center;margin-bottom:.75rem}.status-indicator{width:10px;height:10px;border-radius:50%;margin-right:.75rem;position:relative;box-shadow:0 0 #0000001a}.online{background-color:var(--success);animation:pulse-green 1.5s infinite}.unavailable{background-color:var(--danger);animation:pulse-red 1.5s infinite}.busy,.loading{background-color:var(--warning);animation:pulse-yellow 1.5s infinite}@keyframes pulse-green{0%{box-shadow:0 0 #10b981b3}70%{box-shadow:0 0 0 6px #10b98100}to{box-shadow:0 0 #10b98100}}@keyframes pulse-yellow{0%{box-shadow:0 0 #f59e0bb3}70%{box-shadow:0 0 0 6px #f59e0b00}to{box-shadow:0 0 #f59e0b00}}@keyframes pulse-red{0%{box-shadow:0 0 #ef4444b3}70%{box-shadow:0 0 0 6px #ef444400}to{box-shadow:0 0 #ef444400}}.response-time{font-size:.875rem;color:var(--text-secondary);margin-top:auto;padding-top:.75rem;border-top:1px solid var(--border)}.node-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:10px}.node-actions a{color:var(--primary);text-decoration:none;font-size:14px}.node-actions a:hover{color:var(--secondary)}.last-updated{text-align:center;margin:2rem 0;font-size:.875rem;color:var(--text-tertiary)}footer{background-color:var(--card-bg);padding:2rem 0;border-top:1px solid var(--border);margin-top:2rem}.footer-content{display:flex;justify-content:space-between;align-items:center;padding:0 1.5rem}.footer-text{color:var(--text-secondary);font-size:.875rem}.footer-brand{display:flex;flex-direction:column;gap:.35rem}.footer-attribution{display:inline-flex;align-items:center;gap:.5rem;flex-wrap:wrap;color:var(--text-secondary);font-size:.8rem;text-decoration:none}.footer-attribution:hover{color:var(--text-primary);text-decoration:underline}.footer-attribution-icon{width:18px;height:18px;border-radius:9999px;object-fit:cover;flex:0 0 auto}@media (max-width: 768px){.status-container{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.page-header h1{font-size:1.75rem}.page-header h2{font-size:1.1rem}.summary{padding:1.25rem}.navbar-container{flex-wrap:wrap}}@media (max-width: 480px){.status-container{grid-template-columns:1fr}.additional-node-container{flex-direction:column}#additionalNode{border-radius:var(--radius) var(--radius) 0 0}.add-node-btn{border-radius:0 0 var(--radius) var(--radius);padding:.75rem}}.dark-mode{background-color:var(--background);color:var(--text-primary)}.dark-mode #additionalNode{background-color:var(--card-bg);color:var(--text-primary)}.dark-mode .node-card{background-color:var(--card-bg)}.dark-mode .node-name{color:var(--text-primary)}.dark-mode .response-time{color:var(--text-secondary)}.dark-mode .summary{background-color:var(--card-bg)}.dark-mode progress::-webkit-progress-bar{background-color:#ffffff1a}