:root{--bg-primary: #ffffff;--bg-secondary: #f7f6f3;--bg-tertiary: #f8f8f7;--bg-hover: #ebebea;--bg-active: #e8e5df;--bg-subtle: #fafaf9;--text-primary: #37352f;--text-secondary: #6b6b6b;--text-tertiary: #b4b4b0;--text-heading: #1a1a1a;--text-muted: #555;--text-placeholder: #c0bfbb;--border-primary: #e8e5df;--border-secondary: #e0ddd8;--border-light: #f0efec;--border-input: rgba(15, 15, 15, .15);--border-hover: rgba(15, 15, 15, .18);--scrollbar-thumb: #d1d1c7;--scrollbar-hover: #b4b4b0;--scrollbar-track: #d8d8d4;--shadow-sm: rgba(0, 0, 0, .04);--shadow-md: rgba(0, 0, 0, .08);--shadow-lg: rgba(0, 0, 0, .12);--input-bg: #ffffff;--chat-fade-start: #ffffff;--ai-bubble-bg: #f8f8f7;--ai-bubble-border: rgba(0, 0, 0, .04);--inline-code-bg: rgba(0, 0, 0, .04);--inline-code-border: rgba(0, 0, 0, .08);--blockquote-bg: rgba(0, 0, 0, .03);--table-header-bg: #f7f6f3;--hint-bg: #f7f6f3;--menu-bg: #ffffff;--menu-hover: #f0f0ee;--error-bg: #fef2f2;--error-border: #fecaca;--overlay-bg: rgba(0, 0, 0, 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ad-toast-in{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.ad-mcp-server{border:1px solid var(--border-primary);border-radius:4px;padding:16px;margin-bottom:12px;background:var(--bg-primary)}.ad-mcp-server-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.ad-mcp-server-name{font-weight:600;font-size:14px;color:var(--text-primary)}.ad-mcp-server-cmd{font-size:12px;color:var(--text-secondary);font-family:ui-monospace,monospace}.ad-mcp-tools{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.ad-mcp-tool{display:inline-flex;align-items:center;padding:2px 8px;background:var(--model-tag-bg);border-radius:3px;font-size:12px;color:var(--text-primary)}.ad-confirm-overlay{position:fixed;inset:0;background:var(--overlay-bg);z-index:999;display:flex;align-items:center;justify-content:center}.ad-confirm-box{background:var(--bg-primary);border-radius:4px;padding:24px;max-width:380px;width:90%;box-shadow:0 4px 16px var(--shadow-lg)}.ad-confirm-msg{font-size:14px;color:var(--text-primary);margin-bottom:16px;line-height:1.5}.ad-confirm-actions{display:flex;justify-content:flex-end;gap:8px}.ad-kb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.ad-kb-card{border:1px solid var(--border-primary);border-radius:8px;padding:16px;background:var(--bg-primary);cursor:pointer;transition:all .15s}.ad-kb-card:hover{border-color:var(--scrollbar-thumb);box-shadow:0 2px 8px var(--shadow-sm)}.ad-kb-card-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:10px}.ad-kb-card-icon{width:36px;height:36px;border-radius:8px;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff}.ad-kb-card-actions{display:flex;align-items:center;gap:8px}.ad-kb-card-name{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.ad-kb-card-desc{font-size:13px;color:var(--text-secondary);margin-bottom:10px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ad-kb-card-stats{display:flex;gap:12px;font-size:12px;color:var(--text-tertiary)}.ad-kb-card-model{background:var(--model-tag-bg);padding:1px 6px;border-radius:3px;font-size:11px}.ad-toggle{position:relative;display:inline-block;width:34px;height:18px}.ad-toggle input{opacity:0;width:0;height:0}.ad-toggle-slider{position:absolute;cursor:pointer;inset:0;background:var(--scrollbar-thumb);transition:.2s;border-radius:18px}.ad-toggle-slider:before{content:"";position:absolute;height:14px;width:14px;left:2px;bottom:2px;background:#fff;transition:.2s;border-radius:50%}.ad-toggle input:checked+.ad-toggle-slider{background:#4daa57}.ad-toggle input:checked+.ad-toggle-slider:before{transform:translate(16px)}.ad-doc-error{color:#eb5757;font-weight:600;cursor:help;margin-left:4px}.ad-tag-danger{background:#eb57571f;color:#eb5757;border:none}.ad-kb-search-row{display:flex;gap:8px;margin-bottom:12px}.ad-kb-search-row .ad-input{flex:1}.ad-kb-search-results{display:flex;flex-direction:column;gap:8px}.ad-kb-result{border:1px solid var(--border-primary);border-radius:6px;padding:12px;background:var(--bg-secondary)}.ad-kb-result-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.ad-kb-result-rank{font-size:12px;font-weight:600;color:var(--text-secondary)}.ad-kb-result-score{font-size:12px;font-weight:500;padding:1px 6px;border-radius:3px}.ad-score-high{background:#4daa571f;color:#4daa57}.ad-score-mid{background:#cb912f1f;color:#cb912f}.ad-score-low{background:#eb57571f;color:#eb5757}.ad-kb-result-content{font-size:13px;color:var(--text-primary);line-height:1.5;white-space:pre-wrap;word-break:break-word;max-height:150px;overflow-y:auto}.ad-tab-bar{display:flex;gap:0}.ad-tab{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;font-size:13px;font-weight:500;color:var(--text-secondary);background:transparent;border:1px solid transparent;border-bottom:none;border-radius:6px 6px 0 0;cursor:pointer;transition:all .15s;position:relative}.ad-tab:hover{color:var(--text-primary);background:var(--bg-secondary)}.ad-tab-active{color:#2383e2;background:var(--bg-primary);border-color:var(--border-primary)}.ad-tab-active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:#2383e2}.ad-model-section{display:flex;flex-direction:column;gap:16px}.ad-model-provider-block{border:1px solid var(--border-light);border-radius:6px;padding:14px;background:var(--bg-subtle)}.ad-model-provider-name{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:13px;font-weight:600;color:var(--text-primary)}.ad-model-empty{font-size:12px;color:var(--text-tertiary);margin-top:4px}.ad-model-tag-embed{background:#764ba214;color:#764ba2}.ad-model-tag-image{background:#ea580c14;color:#ea580c}@media(max-width:768px){.ad-sidebar{width:56px}.ad-main{margin-left:56px}.ad-sidebar .ad-logo-text,.ad-sidebar .ad-menu-item span{display:none}.ad-stats-row{grid-template-columns:1fr}.ad-page-content{padding:0 16px 16px}.ad-provider-fields{grid-template-columns:1fr}.ad-log-filters{flex-wrap:wrap}}.ad-tag-info{background:#2383e21f;color:#2383e2;border:none}.ad-log-filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.ad-log-pagination{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 16px;border-top:1px solid var(--border-primary)}.ad-log-page-info{font-size:13px;color:var(--text-secondary)}.ad-stats-row-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.ad-charts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px}.ad-chart-card .ad-card-header{padding:12px 16px 0}.ad-chart-card .ad-card-header h3{margin:0;font-size:14px;font-weight:600;color:var(--text-primary)}.ad-chart-card .ad-card-body{padding:8px 8px 12px}@media(max-width:768px){.ad-charts-grid{grid-template-columns:1fr}}.app{display:flex;height:100vh;overflow:hidden}.theme-float-btn{position:fixed;top:14px;right:16px;z-index:200;width:34px;height:34px;border-radius:50%;border:1px solid var(--border-primary);background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;box-shadow:0 2px 8px var(--shadow-sm)}.theme-float-btn:hover{background:var(--bg-hover);color:var(--text-primary);box-shadow:0 4px 12px var(--shadow-md);transform:scale(1.05)}.mobile-menu-btn{display:none;position:fixed;top:14px;left:14px;z-index:50;width:36px;height:36px;border-radius:10px;border:1px solid var(--border-primary);background:var(--bg-primary);color:var(--text-secondary);cursor:pointer;align-items:center;justify-content:center;box-shadow:0 2px 8px var(--shadow-sm)}.mobile-menu-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-overlay{display:none}@media(max-width:768px){.sidebar{position:fixed;left:-280px;top:0;z-index:100;height:100vh;transition:left .25s ease;box-shadow:none}.sidebar.open{left:0;box-shadow:4px 0 20px var(--shadow-lg)}.sidebar-overlay{display:block;position:fixed;inset:0;background:var(--overlay-bg);z-index:99}.mobile-menu-btn{display:flex}.theme-float-btn{right:14px;top:14px}}