:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--bg-primary: #0a0e17;--bg-secondary: #121824;--bg-tertiary: #1a2332;--bg-card: rgba(26, 35, 50, .7);--bg-card-hover: rgba(33, 45, 64, .8);--border-color: rgba(255, 255, 255, .08);--border-active: rgba(37, 211, 102, .4);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-green: #25d366;--accent-green-hover: #1ebd5b;--accent-green-glow: rgba(37, 211, 102, .2);--accent-blue: #3b82f6;--accent-purple: #8b5cf6;--accent-amber: #f59e0b;--accent-red: #ef4444;--status-connected: #22c55e;--status-connecting: #eab308;--status-qr: #3b82f6;--status-disconnected: #64748b;--status-failed: #ef4444;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .5), 0 8px 10px -6px rgba(0, 0, 0, .3);--transition-fast: .15s ease;--transition-normal: .25s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}a{color:inherit;text-decoration:none}.app-container{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;transition:transform var(--transition-normal);z-index:100}.sidebar-header{padding:1.5rem;display:flex;align-items:center;gap:.75rem;border-bottom:1px solid var(--border-color)}.sidebar-logo{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-green),#128c7e);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem;box-shadow:0 0 12px var(--accent-green-glow)}.sidebar-title{font-weight:700;font-size:1.1rem;letter-spacing:-.02em;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-nav{padding:1.25rem .75rem;display:flex;flex-direction:column;gap:.375rem;flex:1}.nav-item{display:flex;align-items:center;gap:.875rem;padding:.75rem 1rem;border-radius:var(--radius-md);color:var(--text-secondary);font-weight:500;font-size:.925rem;transition:all var(--transition-fast)}.nav-item:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{background:linear-gradient(90deg,#25d36626,#25d36608);color:var(--accent-green);border-left:3px solid var(--accent-green)}.nav-icon{font-size:1.2rem}.main-content{flex:1;display:flex;flex-direction:column;min-width:0;background-color:var(--bg-primary)}.top-header{height:64px;background-color:#121824cc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:0 1.75rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}.header-title{font-size:1.15rem;font-weight:600}.header-actions{display:flex;align-items:center;gap:1rem}.page-body{padding:1.75rem;flex:1}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);transition:border-color var(--transition-fast),transform var(--transition-fast)}.card-header{margin-bottom:1.25rem;display:flex;justify-content:space-between;align-items:center}.card-title{font-size:1.1rem;font-weight:600;color:var(--text-primary)}.card-subtitle{font-size:.85rem;color:var(--text-secondary);margin-top:.25rem}.form-group{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.25rem}.form-label{font-size:.875rem;font-weight:500;color:var(--text-secondary)}.form-input,.form-textarea,.form-select{width:100%;padding:.75rem 1rem;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:.925rem;transition:all var(--transition-fast);outline:none}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent-green);box-shadow:0 0 0 3px var(--accent-green-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;border-radius:var(--radius-md);font-weight:600;font-size:.9rem;cursor:pointer;border:1px solid transparent;transition:all var(--transition-fast)}.btn-primary{background:linear-gradient(135deg,var(--accent-green),#1ebd5b);color:#05180d;box-shadow:0 2px 10px var(--accent-green-glow)}.btn-primary:hover:not(:disabled){opacity:.95;transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background-color:#ffffff1a}.btn-danger{background-color:#ef444426;color:var(--accent-red);border-color:#ef44444d}.btn-danger:hover:not(:disabled){background-color:var(--accent-red);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.badge{display:inline-flex;align-items:center;gap:.375rem;padding:.25rem .75rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge-connected{background-color:#22c55e26;color:var(--status-connected);border:1px solid rgba(34,197,94,.3)}.badge-connecting{background-color:#eab30826;color:var(--status-connecting);border:1px solid rgba(234,179,8,.3)}.badge-qr{background-color:#3b82f626;color:var(--status-qr);border:1px solid rgba(59,130,246,.3)}.badge-disconnected{background-color:#64748b26;color:var(--status-disconnected);border:1px solid rgba(100,116,139,.3)}.badge-failed{background-color:#ef444426;color:var(--status-failed);border:1px solid rgba(239,68,68,.3)}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot-connected{background-color:var(--status-connected);box-shadow:0 0 8px var(--status-connected)}.dot-connecting{background-color:var(--status-connecting);animation:pulse 1.5s infinite}.dot-qr{background-color:var(--status-qr);animation:pulse 1.5s infinite}.dot-disconnected{background-color:var(--status-disconnected)}.dot-failed{background-color:var(--status-failed)}@keyframes pulse{0%{opacity:.4}50%{opacity:1}to{opacity:.4}}.banner{padding:1rem 1.25rem;border-radius:var(--radius-md);display:flex;align-items:flex-start;gap:.75rem;margin-bottom:1.25rem;font-size:.9rem}.banner-error{background-color:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.banner-success{background-color:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:#86efac}.banner-info{background-color:#3b82f61a;border:1px solid rgba(59,130,246,.3);color:#93c5fd}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.2);border-top-color:currentColor;border-radius:50%;animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{background:linear-gradient(90deg,var(--bg-secondary) 25%,var(--bg-tertiary) 50%,var(--bg-secondary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.mobile-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer}@media (max-width: 768px){.app-container{flex-direction:column}.sidebar{position:fixed;top:0;left:0;bottom:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobile-toggle{display:block}}