:root{--font: "Segoe UI", system-ui, -apple-system, sans-serif;--radius: 8px;--shadow: 0 2px 8px rgba(0, 0, 0, .15);--transition: .2s ease;--bg: #1a1a2e;--bg-sidebar: #16213e;--bg-card: #16213e;--bg-input: #1a1a2e;--bg-hover: #0f3460;--bg-modal-overlay: rgba(0, 0, 0, .6);--text: #e0e0e0;--text-muted: #8892a4;--accent: #0f3460;--accent-light: #533483;--primary: #4e8cff;--danger: #e94560;--success: #2ecc71;--warning: #f39c12;--border: #2a2a4a;--sidebar-width: 220px}[data-theme=dark]{--bg: #1a1a2e;--bg-sidebar: #16213e;--bg-card: #16213e;--bg-input: #1a1a2e;--bg-hover: #0f3460;--bg-modal-overlay: rgba(0, 0, 0, .6);--text: #e0e0e0;--text-muted: #8892a4;--accent: #0f3460;--accent-light: #533483;--primary: #4e8cff;--danger: #e94560;--success: #2ecc71;--warning: #f39c12;--border: #2a2a4a;--sidebar-width: 220px}[data-theme=light]{--bg: #f0f2f5;--bg-sidebar: #ffffff;--bg-card: #ffffff;--bg-input: #f5f6f8;--bg-hover: #e8ecf1;--bg-modal-overlay: rgba(0, 0, 0, .35);--text: #1a1a2e;--text-muted: #6b7280;--accent: #0f3460;--accent-light: #533483;--primary: #3b6fdb;--danger: #dc3545;--success: #28a745;--warning: #e67e22;--border: #dde1e7;--sidebar-width: 220px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;transition:background var(--transition),color var(--transition)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:width var(--transition),min-width var(--transition);position:sticky;top:0;height:100vh;overflow:hidden}.sidebar-collapsed{width:52px;min-width:52px}.sidebar-collapsed .sidebar-header{justify-content:center;padding:16px 8px}.sidebar-collapsed .sidebar-label{display:none}.sidebar-collapsed 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16px;color:var(--text);font-size:.9rem;background:none;border:none;cursor:pointer;transition:background var(--transition)}.dropdown-item:hover{background:var(--bg-hover)}.dropdown-item svg{flex-shrink:0;color:var(--danger)}.sidebar-collapsed .sidebar-actions{align-items:center}.sidebar-collapsed .sidebar-action-btn{justify-content:center;padding:10px 0}.sidebar-collapsed .sidebar-action-btn .sidebar-label{display:none}.main-content{flex:1;padding:28px 32px;overflow-y:auto;min-width:0}.page-header{margin-bottom:24px}.page-header h1{font-size:1.6rem;font-weight:700;margin-bottom:4px}.page-header p{color:var(--text-muted);font-size:.9rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card h3{font-size:1.05rem;margin-bottom:8px}.status-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.status-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}.status-card .status-label{font-size:.85rem;color:var(--text-muted);margin-bottom:4px}.status-card .status-value{font-size:1.8rem;font-weight:700}.status-card .status-sub{font-size:.8rem;color:var(--text-muted);margin-top:2px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;font-family:var(--font);cursor:pointer;transition:background var(--transition),border-color var(--transition);color:var(--text);background:var(--bg-card)}.btn:hover{background:var(--bg-hover)}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{opacity:.9}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-success{background:var(--success);border-color:var(--success);color:#fff}.btn-success:hover{opacity:.9}.btn-sm{padding:5px 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14px;border-radius:var(--radius);font-size:.9rem;line-height:1.45}.chat-bubble-incoming{background:var(--bg-hover);align-self:flex-start;border-bottom-left-radius:2px}.chat-bubble-outgoing{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:2px}.chat-input-row{display:flex;gap:8px}.chat-input-row input{flex:1}.qr-container{text-align:center;padding:16px}.qr-container img{max-width:250px;border-radius:var(--radius)}.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.toolbar input[type=search]{max-width:260px}.service-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.service-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.service-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.service-card-header 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var(--transition)}.theme-btn:hover{background:var(--bg-hover);color:var(--text)}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-16{margin-bottom:16px}.flex{display:flex}.gap-8{gap:8px}.items-center{align-items:center}.text-muted{color:var(--text-muted)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-sm{font-size:.85rem}.mono{font-family:monospace}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}