:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #3b82f6;--color-secondary: #0f172a;--color-accent: #06b6d4;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-bg: #f8fafc;--color-bg-card: #ffffff;--color-bg-dark: #1e293b;--color-text: #0f172a;--color-text-muted: #64748b;--color-border: #e2e8f0;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--transition-fast: .15s ease-in-out;--transition-normal: .2s ease-in-out}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--color-text);background-color:var(--color-bg);min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25;margin-bottom:var(--spacing-md)}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{margin-bottom:var(--spacing-md)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border)}.card-title{font-size:1.125rem;font-weight:600;margin:0}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text);margin-bottom:var(--spacing-xs)}.form-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-card);color:var(--color-text);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.form-input:disabled{background:var(--color-bg);cursor:not-allowed}.form-select{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-card);color:var(--color-text);cursor:pointer}.form-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-secondary{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-border)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-sm{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.btn-lg{padding:var(--spacing-md) var(--spacing-lg);font-size:1rem}.status-indicator{display:inline-flex;align-items:center;gap:var(--spacing-xs);font-size:.75rem;font-weight:500}.status-dot{width:8px;height:8px;border-radius:var(--radius-full)}.status-dot.connected{background:var(--color-success);animation:pulse 2s infinite}.status-dot.disconnected{background:var(--color-text-muted)}.status-dot.error{background:var(--color-error)}.status-dot.connecting{background:var(--color-warning);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.toggle{position:relative;display:inline-block;width:44px;height:24px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;right:0;bottom:0;left:0;background:var(--color-border);border-radius:var(--radius-full);transition:background var(--transition-fast)}.toggle-slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:var(--radius-full);transition:transform var(--transition-fast);box-shadow:var(--shadow-sm)}.toggle input:checked+.toggle-slider{background:var(--color-primary)}.toggle input:checked+.toggle-slider:before{transform:translate(20px)}.toggle input:disabled+.toggle-slider{opacity:.5;cursor:not-allowed}.grid{display:grid;gap:var(--spacing-md)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 768px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.text-error{color:var(--color-error)}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.font-mono{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace}.w-full{width:100%}.mt-md{margin-top:var(--spacing-md)}.mb-md{margin-bottom:var(--spacing-md)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}