#app{min-height:100vh}:root{--color-primary:#1a1a1a;--color-secondary:#333;--color-tertiary:#666;--color-muted:#999;--color-light:#e5e5e5;--color-lighter:#f5f5f5;--color-lightest:#fafafa;--bg-primary:#fff;--bg-secondary:#f8f8f8;--bg-tertiary:#f0f0f0;--text-primary:#000;--text-secondary:#333;--text-muted:#666;--border-color:#e0e0e0;--border-light:#f0f0f0;--success:#22c55e;--warning:#f59e0b;--error:#ef4444;--info:#3b82f6;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -1px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -2px #0000000a;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--transition-fast:.15s ease;--transition-base:.2s ease;--transition-slow:.3s ease;--sidebar-width:240px;--header-height:64px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px}body{color:var(--text-primary);background-color:var(--bg-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.5}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600;line-height:1.3}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{color:var(--text-secondary)}a{color:var(--color-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-secondary)}.bg-pattern{z-index:-1;background-color:var(--bg-primary);background-image:radial-gradient(circle, var(--border-color) 1px, transparent 1px);opacity:.5;background-size:24px 24px;position:fixed;inset:0}.bg-pattern:before{content:"";pointer-events:none;background:radial-gradient(at 20% 20%,#00000005 0%,#0000 50%),radial-gradient(at 80% 80%,#00000005 0%,#0000 50%);position:absolute;inset:0}.frosted{-webkit-backdrop-filter:blur(12px);background:#fffc;border:1px solid #ffffff80}@media (width<=768px){.sidebar.frosted{-webkit-backdrop-filter:blur(8px);background:#ffffffd9}.main-header.frosted{background:#ffffffe6}}.btn{justify-content:center;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);white-space:nowrap;border:1px solid #0000;font-size:.875rem;font-weight:500;line-height:1;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover:not(:disabled){background:var(--color-secondary);border-color:var(--color-secondary)}.btn-secondary{color:var(--text-primary);border-color:var(--border-color);background:0 0}.btn-secondary:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--color-light)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--bg-secondary);color:var(--text-primary)}.btn-danger{background:var(--error);color:#fff;border-color:var(--error)}.btn-danger:hover:not(:disabled){background:#dc2626;border-color:#dc2626}.btn-sm{padding:var(--space-xs) var(--space-sm);font-size:.8125rem}.btn-lg{padding:var(--space-md) var(--space-lg);font-size:1rem}.input{width:100%;height:40px;padding:0 var(--space-md);color:var(--text-primary);background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:all var(--transition-fast);font-size:.875rem}.input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #1a1a1a1a}.input::placeholder{color:var(--text-muted)}.input-error{border-color:var(--error)}.input-error:focus{box-shadow:0 0 0 3px #ef44441a}textarea.input{height:auto;min-height:100px;padding:var(--space-md);resize:vertical}.card{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-header{padding:var(--space-lg);border-bottom:1px solid var(--border-light)}.card-body{padding:var(--space-lg)}.card-footer{padding:var(--space-lg);border-top:1px solid var(--border-light);background:var(--bg-secondary)}.table-container{overflow-x:auto}.table{border-collapse:collapse;width:100%}.table th,.table td{padding:var(--space-md);text-align:left;border-bottom:1px solid var(--border-light)}.table th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;background:var(--bg-secondary);font-size:.8125rem;font-weight:500}.table tbody tr{transition:background var(--transition-fast)}.table tbody tr:hover{background:var(--bg-secondary)}.badge{border-radius:9999px;align-items:center;padding:2px 8px;font-size:.75rem;font-weight:500;display:inline-flex}.badge-success{color:var(--success);background:#22c55e1a}.badge-warning{color:var(--warning);background:#f59e0b1a}.badge-error{color:var(--error);background:#ef44441a}.badge-info{color:var(--info);background:#3b82f61a}.badge-muted{background:var(--bg-tertiary);color:var(--text-muted)}.form-group{margin-bottom:var(--space-lg)}.form-label{margin-bottom:var(--space-sm);color:var(--text-primary);font-size:.875rem;font-weight:500;display:block}.form-help{margin-top:var(--space-xs);color:var(--text-muted);font-size:.8125rem}.form-error{margin-top:var(--space-xs);color:var(--error);font-size:.8125rem}.pagination{align-items:center;gap:var(--space-sm);display:flex}.pagination-btn{width:32px;height:32px;color:var(--text-secondary);background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:.875rem;display:flex}.pagination-btn:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--color-light)}.pagination-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.pagination-btn:disabled{opacity:.5;cursor:not-allowed}.empty-state{padding:var(--space-2xl);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.empty-state-icon{width:64px;height:64px;margin-bottom:var(--space-lg);color:var(--text-muted)}.empty-state-title{color:var(--text-primary);margin-bottom:var(--space-sm);font-size:1.125rem;font-weight:500}.empty-state-description{color:var(--text-muted);margin-bottom:var(--space-lg)}.spinner{border:2px solid var(--border-color);border-top-color:var(--color-primary);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{background:#fffc;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.modal-overlay{z-index:1000;animation:fadeIn var(--transition-fast);background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:90%;max-width:500px;max-height:90vh;animation:slideUp var(--transition-base);overflow:auto}.modal-header{padding:var(--space-lg);border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;display:flex}.modal-body{padding:var(--space-lg)}.modal-footer{padding:var(--space-lg);border-top:1px solid var(--border-light);justify-content:flex-end;gap:var(--space-sm);display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.dropdown{display:inline-block;position:relative}.dropdown-menu{min-width:160px;margin-top:var(--space-xs);background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:100;animation:fadeIn var(--transition-fast);position:absolute;top:100%;right:0}.dropdown-item{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);color:var(--text-primary);cursor:pointer;transition:background var(--transition-fast);font-size:.875rem;display:flex}.dropdown-item:hover{background:var(--bg-secondary)}.dropdown-item:first-child{border-radius:var(--radius-md) var(--radius-md) 0 0}.dropdown-item:last-child{border-radius:0 0 var(--radius-md) var(--radius-md)}.tabs{gap:var(--space-xs);border-bottom:1px solid var(--border-light);display:flex}.tab{padding:var(--space-md);color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);border-bottom:2px solid #0000;font-size:.875rem;font-weight:500}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--text-primary);border-bottom-color:var(--color-primary)}.alert{padding:var(--space-md);border-radius:var(--radius-md);margin-bottom:var(--space-md)}.alert-success{color:var(--success);background:#22c55e1a;border:1px solid #22c55e33}.alert-warning{color:var(--warning);background:#f59e0b1a;border:1px solid #f59e0b33}.alert-error{color:var(--error);background:#ef44441a;border:1px solid #ef444433}.alert-info{color:var(--info);background:#3b82f61a;border:1px solid #3b82f633}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-error{color:var(--error)}.text-warning{color:var(--warning)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.w-full{width:100%}.h-full{height:100%}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.sr-only{clip:rect(0, 0, 0, 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=1024px){:root{--sidebar-width:200px;--header-height:56px}h1{font-size:1.5rem}h2{font-size:1.25rem}}@media (width<=768px){:root{--sidebar-width:0px;--header-height:52px;--space-md:12px;--space-lg:16px;--space-xl:20px;--font-base:13px}html{font-size:13px}h1{font-size:1.5rem}h2{font-size:1.25rem}.sidebar{transition:transform var(--transition-slow);z-index:200;width:280px;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{min-height:100vh;margin-left:0}.page-content{padding:var(--space-md)}.main-header{padding:0 var(--space-md);z-index:100;position:sticky;top:0}.menu-toggle{display:flex!important}}@media (width<=480px){:root{--space-md:10px;--space-lg:14px}}@media (width<=768px){body{-webkit-text-size-adjust:100%;font-size:13px}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.125rem}h4{font-size:1rem}p{font-size:.875rem}html,body,#app{max-width:100vw;overflow-x:hidden}a,button,.tapable,[role=button]{touch-action:manipulation;-webkit-tap-highlight-color:transparent}.main-content{touch-action:pan-y;-webkit-overflow-scrolling:touch;max-width:100vw;overflow-x:hidden}.kb-card,.bot-card,.conversation-card{cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:#0000001a;box-sizing:border-box;max-width:100%}.page-content{min-height:calc(100vh - var(--header-height));z-index:1;-webkit-overflow-scrolling:touch;box-sizing:border-box;width:100%;max-width:100vw;position:relative;overflow:hidden auto;padding:var(--space-md)!important}.dashboard,.knowledge-page,.bots-page,.conversations-page,.settings-page,.api-keys-page{box-sizing:border-box;width:100%;max-width:100vw;overflow-x:hidden}.page-header{gap:var(--space-md);box-sizing:border-box;flex-direction:column;width:100%;max-width:100%;align-items:flex-start!important}.page-header .btn{justify-content:center;width:100%}.kb-card,.bot-card,.conversation-card,.stat-card{padding:var(--space-md);box-sizing:border-box;width:100%;max-width:100%;overflow:hidden}.kb-header,.bot-header{flex-direction:column;align-items:flex-start!important}.kb-icon,.bot-icon{width:40px;height:40px}.table-container{-webkit-overflow-scrolling:touch;max-width:100vw;overflow-x:auto}table{min-width:auto;font-size:.875rem}th,td{white-space:nowrap;padding:var(--space-sm)!important}.form-group{margin-bottom:var(--space-md);box-sizing:border-box;width:100%;max-width:100%}.input,select,textarea{padding:var(--space-sm) var(--space-md);box-sizing:border-box;width:100%;max-width:100%;font-size:16px}.btn{padding:var(--space-sm) var(--space-md);box-sizing:border-box;min-height:44px;font-size:.875rem}.btn-primary,.btn-secondary{justify-content:center;width:100%}.stats-grid,.bots-grid,.kb-list{gap:var(--space-md);box-sizing:border-box;width:100%;max-width:100%;grid-template-columns:1fr!important}.alert{padding:var(--space-md);box-sizing:border-box;width:100%;max-width:100%;font-size:.875rem;overflow:hidden}.modal{max-height:80vh;margin:var(--space-md);box-sizing:border-box;width:95%!important;max-width:95vw!important}.modal-header,.modal-body,.modal-footer{box-sizing:border-box;padding:var(--space-md)!important}.search-bar{margin-bottom:var(--space-md);box-sizing:border-box;width:100%;max-width:100%}.search-input{box-sizing:border-box;width:100%;max-width:100%;font-size:16px}.empty-state{padding:var(--space-xl) var(--space-md);box-sizing:border-box;width:100%;max-width:100%}.empty-state-icon{width:48px;height:48px}.stat-value{font-size:1.5rem!important}.list-item{padding:var(--space-md);box-sizing:border-box;width:100%;max-width:100%;overflow:hidden}.actions{gap:var(--space-sm);box-sizing:border-box;flex-direction:column;width:100%;max-width:100%}.actions .btn{width:100%}.page-header h2{font-size:1.125rem}.kb-card h3,.bot-card h3{font-size:.9375rem}.kb-card p,.bot-card p{font-size:.75rem}.badge{padding:2px 6px;font-size:.625rem}.btn{font-size:.8125rem}.form-label{font-size:.75rem}.input{font-size:14px}}