:root{--admin-bg:#f9fafb;--sidebar-bg:#ffffff;--sidebar-width:260px;--border-color:#e5e7eb;--text-primary:#111827;--text-secondary:#6b7280;--primary-blue:#4f46e5}.admin-layout{display:flex;min-height:100vh;background-color:var(--admin-bg)}.admin-sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:1.5rem;flex-shrink:0}.sidebar-header{margin-bottom:2rem}.sidebar-logo{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none}.sidebar-nav{display:flex;flex-direction:column;gap:.5rem}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.5rem;text-decoration:none;color:var(--text-secondary);font-weight:500;transition:all .2s ease}.nav-item:hover{background-color:var(--admin-bg);color:var(--text-primary)}.nav-item.active{background-color:#eef2ff;color:var(--primary-blue)}.nav-item svg{width:24px;height:24px}.admin-main-content{flex-grow:1;padding:2rem 3rem;overflow-y:auto}.loading-state{text-align:center;padding-top:5rem;color:var(--text-secondary);font-size:1.25rem}.dashboard-header{margin-bottom:2rem}.dashboard-header h1{font-size:2rem;font-weight:700;color:var(--text-primary)}.dashboard-header p{font-size:1rem;color:var(--text-secondary)}.stat-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:1.5rem;gap:1.5rem;margin-bottom:3rem}.stat-card{background:var(--sidebar-bg);padding:1.5rem;border-radius:.75rem;border:1px solid var(--border-color)}.stat-card h4{font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:.5rem}.stat-value{font-size:2.25rem;font-weight:700;color:var(--text-primary)}.stat-value-flex{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:600;color:var(--text-primary)}.status-dot{width:10px;height:10px;border-radius:50%}.status-dot.connected{background-color:#22c55e}.status-dot.disconnected{background-color:#ef4444}.connect-button{margin-top:1rem;background-color:#eef2ff;color:var(--primary-blue);font-weight:600;font-size:.875rem;padding:.5rem 1rem;border-radius:.375rem;border:none;cursor:pointer;transition:background-color .2s}.connect-button:hover{background-color:#e0e7ff}.connect-button:disabled{opacity:.7;cursor:not-allowed}.leads-table-container{background:var(--sidebar-bg);border:1px solid var(--border-color);border-radius:.75rem;padding:1.5rem}.table-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left}td,th{padding:1rem;border-bottom:1px solid var(--border-color)}thead th{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}tbody td,thead th{color:var(--text-secondary)}tbody td{font-size:.875rem}tbody td:first-child{font-weight:500;color:var(--text-primary)}tbody tr:last-child td{border-bottom:none}td a{color:var(--primary-blue);text-decoration:none;font-weight:500}td a:hover{text-decoration:underline}.empty-state{text-align:center;padding:3rem;color:var(--text-secondary)}.training-form-container{background:var(--sidebar-bg);padding:1.5rem;border-radius:.75rem;border:1px solid var(--border-color);margin-bottom:2rem}.training-form-container .form-group{margin-bottom:1rem}.training-form-container label{display:block;font-size:.875rem;font-weight:500;color:var(--text-primary);margin-bottom:.5rem}.training-form-container input,.training-form-container textarea{width:100%;padding:.75rem 1rem;border-radius:.375rem;border:1px solid var(--border-color);font-size:1rem}.training-form-container textarea{resize:vertical}.delete-button{background-color:#fee2e2;color:#b91c1c;font-weight:600;font-size:.875rem;padding:.5rem 1rem;border-radius:.375rem;border:none;cursor:pointer;transition:background-color .2s}.delete-button:hover{background-color:#fecaca}.form-error{color:#b91c1c;margin-bottom:1rem;font-size:.875rem}.stat-note{font-size:.75rem;color:var(--text-secondary);font-weight:400;margin-top:.25rem}.conversation-list{display:flex;flex-direction:column;gap:1rem}.conversation-item{background-color:var(--admin-bg);border-radius:.5rem;padding:1rem;border:1px solid var(--border-color)}.conversation-item p{font-size:.875rem;margin:0 0 .5rem;line-height:1.5}.conversation-item .user-message{color:var(--text-primary)}.conversation-item .bot-message{color:var(--text-secondary)}.conversation-item .more-messages{color:var(--text-secondary);font-style:italic}.page-actions{margin-bottom:2rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--sidebar-bg);padding:2rem;border-radius:.75rem;width:100%;max-width:500px}.modal-content .form-group{margin-bottom:1rem}.modal-content label{display:block;font-size:.875rem;font-weight:500;color:var(--text-primary);margin-bottom:.5rem}.modal-content input,.modal-content textarea{width:100%;padding:.75rem 1rem;border-radius:.375rem;border:1px solid var(--border-color);font-size:1rem}.form-group-inline{display:flex;gap:1rem}.form-group-inline .form-group{flex:1 1}.modal-actions{margin-top:2rem;display:flex;justify-content:flex-end;gap:1rem}.modal-actions .btn-secondary{padding:.5rem 1rem;border:1px solid var(--border-color)}