:root{--primary: #667eea;--primary-dark: #5a67d8;--success: #48bb78;--warning: #ed8936;--danger: #f56565;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--gray-50);color:var(--gray-900);line-height:1.5}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:linear-gradient(135deg,var(--primary) 0%,#764ba2 100%);color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0000001a}.header h1{font-size:1.5rem;font-weight:600}.header-nav{display:flex;gap:1rem}.header-nav button{background:#fff3;border:none;color:#fff;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.875rem;transition:background .2s}.header-nav button:hover{background:#ffffff4d}.header-nav button.active{background:#fff;color:var(--primary)}.main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.card{background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;margin-bottom:1.5rem}.card-header{padding:1rem 1.5rem;border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center}.card-header h2{font-size:1.125rem;font-weight:600}.card-body{padding:1.5rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;border:none;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--gray-100);color:var(--gray-700)}.btn-secondary:hover{background:var(--gray-200)}.btn-sm{padding:.25rem .75rem;font-size:.75rem}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--gray-200)}.table th{font-weight:600;color:var(--gray-600);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.table tr:last-child td{border-bottom:none}.table tr:hover{background:var(--gray-50)}.badge{display:inline-block;padding:.25rem .5rem;border-radius:9999px;font-size:.75rem;font-weight:500}.badge-success{background:#c6f6d5;color:#276749}.badge-warning{background:#feebc8;color:#c05621}.badge-info{background:#bee3f8;color:#2b6cb0}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:8px;max-width:500px;width:90%;max-height:90vh;overflow:auto}.modal-header{padding:1rem 1.5rem;border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:1.125rem;font-weight:600}.modal-body{padding:1.5rem}.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--gray-200);display:flex;justify-content:flex-end;gap:.5rem}.input{width:100%;padding:.5rem .75rem;border:1px solid var(--gray-300);border-radius:6px;font-size:.875rem}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #667eea1a}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.5rem;font-weight:500;font-size:.875rem}.code-block{background:var(--gray-800);color:#e2e8f0;padding:1rem;border-radius:6px;font-family:Monaco,Menlo,monospace;font-size:.75rem;overflow-x:auto;position:relative}.copy-btn{position:absolute;top:.5rem;right:.5rem;background:var(--gray-700);color:#fff;border:none;padding:.25rem .5rem;border-radius:4px;cursor:pointer;font-size:.75rem}.copy-btn:hover{background:var(--gray-600)}.toast-container{position:fixed;bottom:1rem;right:1rem;display:flex;flex-direction:column;gap:.5rem;z-index:1100}.toast{background:var(--gray-800);color:#fff;padding:.75rem 1rem;border-radius:6px;box-shadow:0 4px 12px #00000026;display:flex;align-items:center;gap:.75rem;animation:slideIn .3s ease}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}.empty-state{text-align:center;padding:3rem;color:var(--gray-500)}.empty-state svg{width:48px;height:48px;margin-bottom:1rem;opacity:.5}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 1px 3px #0000001a}.stat-value{font-size:2rem;font-weight:700;color:var(--primary)}.stat-label{color:var(--gray-500);font-size:.875rem}.filter-bar{display:flex;gap:.5rem;margin-bottom:1rem}.filter-bar button{padding:.5rem 1rem;border:1px solid var(--gray-300);background:#fff;border-radius:6px;cursor:pointer;font-size:.875rem}.filter-bar button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.toggle{position:relative;width:48px;height:24px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--gray-300);border-radius:24px;transition:.3s}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.3s}.toggle input:checked+.toggle-slider{background:var(--primary)}.toggle input:checked+.toggle-slider:before{transform:translate(24px)}.relative-time{color:var(--gray-500);font-size:.875rem}.connection-status{display:flex;align-items:center;gap:.5rem;font-size:.75rem;color:var(--gray-500)}.connection-dot{width:8px;height:8px;border-radius:50%;background:var(--gray-400)}.connection-dot.connected{background:var(--success)}