:root{--color-primary: #152A5C;--color-primary-dark: #0f1f44;--color-primary-light: #1e3a7a;--color-bg: #f5f7fb;--color-card: #ffffff;--color-text: #1a1a1a;--color-text-muted: #666;--color-border: #e0e6ef;--color-border-light: #f0f4f8;--color-success: #2e7d32;--color-error: #c62828;--color-error-bg: #fff5f5;--color-user-bubble: #152A5C;--color-assistant-bubble: #ffffff;--radius: 10px;--radius-sm: 6px;--shadow: 0 2px 12px rgba(0, 0, 0, .08);--shadow-md: 0 4px 20px rgba(0, 0, 0, .12);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);line-height:1.5;min-height:100vh}button{cursor:pointer;font-family:inherit}input,textarea{font-family:inherit}a{color:inherit;text-decoration:none}.card{background:var(--color-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;letter-spacing:.2px;transition:background .15s,opacity .15s}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:not(:disabled):hover{background:var(--color-primary-light)}.btn-outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary)}.btn-outline:not(:disabled):hover{background:var(--color-primary);color:#fff}.btn-ghost{background:transparent;color:var(--color-text-muted);border:1.5px solid var(--color-border)}.btn-ghost:not(:disabled):hover{background:var(--color-border-light);color:var(--color-text)}.btn-danger{background:transparent;color:var(--color-error);border:1.5px solid var(--color-error)}.btn-danger:not(:disabled):hover{background:var(--color-error);color:#fff}.btn-sm{padding:6px 14px;font-size:13px}.error-msg{background:var(--color-error-bg);color:var(--color-error);border:1px solid #fca5a5;border-radius:var(--radius-sm);padding:10px 14px;font-size:14px}.success-msg{background:#f0fff4;color:var(--color-success);border:1px solid #a7f3d0;border-radius:var(--radius-sm);padding:10px 14px;font-size:14px}.loading-spinner{display:inline-block;width:20px;height:20px;border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.loading-spinner-dark{border-color:#152a5c40;border-top-color:var(--color-primary)}@keyframes spin{to{transform:rotate(360deg)}}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--color-primary);color:#fff;display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;left:0;height:100vh}.sidebar-logo{padding:28px 24px 20px;border-bottom:1px solid rgba(255,255,255,.12)}.sidebar-logo h1{font-size:22px;font-weight:800;letter-spacing:-.5px;color:#fff}.sidebar-logo span{font-size:11px;color:#ffffff8c;font-weight:400;letter-spacing:.5px;text-transform:uppercase;display:block;margin-top:2px}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);color:#ffffffbf;font-size:14px;font-weight:500;transition:background .15s,color .15s}.nav-link:hover{background:#ffffff1a;color:#fff}.nav-link.active{background:#ffffff2e;color:#fff;font-weight:600}.nav-link-icon{font-size:18px;width:20px;text-align:center}.sidebar-footer{padding:16px 12px 24px;border-top:1px solid rgba(255,255,255,.12)}.sidebar-footer button{width:100%;padding:10px 14px;background:#ffffff14;color:#ffffffbf;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;text-align:left;display:flex;align-items:center;gap:8px;transition:background .15s,color .15s}.sidebar-footer button:hover{background:#ffffff26;color:#fff}.sidebar-footer button+button{margin-top:8px}.scraping-btn--success{background:#2ea0434d!important;color:#7ee787!important}.scraping-btn--error{background:#dc35454d!important;color:#f87171!important}.scraping-btn--loading{opacity:.6;cursor:not-allowed!important}.scraping-confirm{background:#ffffff0f;border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:12px;margin-bottom:8px}.scraping-confirm p{color:#ffffffd9;font-size:12px;line-height:1.5;margin-bottom:10px}.scraping-confirm-actions{display:flex;gap:8px}.scraping-confirm-actions button{flex:1;padding:7px 10px!important;font-size:12px!important;border-radius:6px!important;margin-top:0!important}.btn-confirm{background:#2ea04359!important;color:#7ee787!important;border:1px solid rgba(46,160,67,.4)!important}.btn-confirm:hover{background:#2ea04380!important}.btn-cancel{background:#ffffff14!important;color:#fff9!important}.main-content{margin-left:240px;flex:1;display:flex;flex-direction:column;min-height:100vh}.page-header{background:var(--color-card);border-bottom:1px solid var(--color-border);padding:20px 32px}.page-header h2{font-size:20px;font-weight:700;color:var(--color-primary)}.page-header p{font-size:13px;color:var(--color-text-muted);margin-top:2px}.page-body{padding:32px;flex:1}.login-page{min-height:100vh;background:var(--color-bg);display:flex;flex-direction:column}.login-header{background:var(--color-primary);padding:20px 32px;display:flex;align-items:center}.login-header h1{font-size:22px;font-weight:800;color:#fff;letter-spacing:-.5px}.login-header span{font-size:12px;color:#ffffff8c;margin-left:10px;font-weight:400}.login-body{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 16px}.login-card{background:var(--color-card);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:40px;width:100%;max-width:400px}.login-card h2{font-size:22px;font-weight:700;color:var(--color-primary);margin-bottom:6px}.login-card p{font-size:14px;color:var(--color-text-muted);margin-bottom:28px}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--color-text);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;color:var(--color-text);background:var(--color-bg);transition:border-color .15s;outline:none}.form-input:focus{border-color:var(--color-primary);background:#fff}.login-submit{width:100%;padding:12px;margin-top:8px;font-size:15px;justify-content:center}.sessions-table-wrap{overflow-x:auto}.sessions-table{width:100%;border-collapse:collapse;font-size:14px}.sessions-table th{background:var(--color-border-light);padding:12px 16px;text-align:left;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-muted);border-bottom:1px solid var(--color-border)}.sessions-table td{padding:14px 16px;border-bottom:1px solid var(--color-border-light);vertical-align:middle}.sessions-table tr:last-child td{border-bottom:none}.sessions-table tr:hover td{background:var(--color-border-light);cursor:pointer}.session-preview{color:var(--color-text-muted);font-size:13px;max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:24px;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600;background:var(--color-border-light);color:var(--color-text-muted)}.pagination{display:flex;align-items:center;justify-content:space-between;padding:16px 0 0;font-size:13px;color:var(--color-text-muted)}.pagination-btns{display:flex;gap:8px}.conversation-header-card{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}.conversation-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.meta-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;background:var(--color-border-light);border-radius:16px;font-size:12px;color:var(--color-text-muted)}.messages-list{display:flex;flex-direction:column;gap:12px}.message-row{display:flex}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.message-bubble{max-width:70%;padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.6;word-break:break-word}.message-bubble.user{background:var(--color-user-bubble);color:#fff;border-bottom-right-radius:4px}.message-bubble.assistant{background:var(--color-assistant-bubble);color:var(--color-text);border:1px solid var(--color-border);border-bottom-left-radius:4px;box-shadow:var(--shadow)}.message-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.message-label.user{color:#fff9;text-align:right}.message-label.assistant{color:var(--color-text-muted)}.message-markdown{line-height:1.6}.message-markdown p{margin:0 0 8px}.message-markdown p:last-child{margin-bottom:0}.message-markdown strong{font-weight:700}.message-markdown em{font-style:italic}.message-markdown a{text-decoration:underline;text-underline-offset:2px}.message-bubble.user .message-markdown a{color:#90caf9}.message-bubble.assistant .message-markdown a{color:#1565c0}.message-markdown ul,.message-markdown ol{padding-left:20px;margin:4px 0 8px}.message-markdown li{margin-bottom:2px}.message-markdown code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.875em;padding:1px 5px;border-radius:4px}.message-bubble.user .message-markdown code{background:#ffffff2e;color:#fff}.message-bubble.assistant .message-markdown code{background:var(--color-border-light);color:var(--color-text)}.message-markdown pre{margin:8px 0;padding:10px 14px;border-radius:var(--radius-sm);overflow-x:auto;font-size:.85em}.message-bubble.user .message-markdown pre{background:#ffffff26}.message-bubble.assistant .message-markdown pre{background:var(--color-border-light)}.message-markdown pre code{padding:0;background:none}.message-markdown blockquote{margin:6px 0;padding-left:12px;border-left:3px solid;opacity:.8}.message-bubble.user .message-markdown blockquote{border-color:#fff6}.message-bubble.assistant .message-markdown blockquote{border-color:var(--color-border)}.message-markdown h1,.message-markdown h2,.message-markdown h3{font-weight:700;margin:8px 0 4px;line-height:1.3}.message-markdown h1{font-size:1.2em}.message-markdown h2{font-size:1.1em}.message-markdown h3{font-size:1em}.message-markdown table{border-collapse:collapse;width:100%;margin:8px 0;font-size:.9em}.message-markdown th,.message-markdown td{padding:6px 10px;text-align:left;border:1px solid}.message-bubble.user .message-markdown th,.message-bubble.user .message-markdown td{border-color:#ffffff4d}.message-bubble.assistant .message-markdown th,.message-bubble.assistant .message-markdown td{border-color:var(--color-border)}.message-bubble.user .message-markdown th{background:#ffffff26}.message-bubble.assistant .message-markdown th{background:var(--color-border-light)}.message-markdown img{max-width:100%;max-height:360px;object-fit:contain;border-radius:var(--radius-sm);display:block;margin:6px 0}.message-markdown hr{border:none;border-top:1px solid;margin:10px 0;opacity:.3}.prompt-section{margin-bottom:32px}.prompt-section h3{font-size:16px;font-weight:700;color:var(--color-primary);margin-bottom:8px}.prompt-section p{font-size:13px;color:var(--color-text-muted);margin-bottom:12px}.prompt-textarea{width:100%;min-height:280px;padding:14px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:13.5px;font-family:Courier New,Courier,monospace;line-height:1.6;resize:vertical;color:var(--color-text);background:var(--color-bg);outline:none;transition:border-color .15s}.prompt-textarea:focus{border-color:var(--color-primary);background:#fff}.instructions-list{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.instruction-item{display:flex;align-items:flex-start;gap:8px}.instruction-input{flex:1;padding:8px 12px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:13.5px;color:var(--color-text);background:var(--color-bg);outline:none;transition:border-color .15s}.instruction-input:focus{border-color:var(--color-primary);background:#fff}.instruction-remove{padding:8px 10px;background:transparent;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-muted);font-size:16px;line-height:1;transition:background .15s,color .15s,border-color .15s;flex-shrink:0}.instruction-remove:hover{background:var(--color-error-bg);color:var(--color-error);border-color:var(--color-error)}.prompt-actions{display:flex;gap:12px;flex-wrap:wrap}.empty-state{text-align:center;padding:60px 24px;color:var(--color-text-muted)}.empty-state p{font-size:15px;margin-top:8px}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--color-text-muted);margin-bottom:20px;transition:color .15s}.back-link:hover{color:var(--color-primary)}.file-upload-zone{border:2px dashed var(--color-border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:border-color .15s,background .15s;position:relative}.file-upload-zone:hover{border-color:var(--color-primary);background:#152a5c08}.file-upload-zone.has-file{border-color:var(--color-success);background:#f0fff4}.file-upload-zone input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.file-upload-zone label{font-size:14px;color:var(--color-text-muted);cursor:pointer;pointer-events:none}.file-upload-zone.has-file label{color:var(--color-success);font-weight:600}.ingestion-form{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;align-items:start}.toggle-switch{display:inline-flex;align-items:center;gap:10px;padding:0;border:none;background:none;cursor:pointer;font-size:13px;color:var(--color-text-muted)}.toggle-switch .toggle-knob{position:relative;width:40px;height:22px;background:var(--color-border);border-radius:12px;transition:background .2s;flex-shrink:0}.toggle-switch .toggle-knob:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;background:#fff;border-radius:50%;box-shadow:0 1px 3px #0003;transition:transform .2s}.toggle-switch.active .toggle-knob{background:var(--color-primary)}.toggle-switch.active .toggle-knob:after{transform:translate(18px)}.toggle-switch .toggle-label{font-weight:500}.toggle-switch.active .toggle-label{color:var(--color-primary);font-weight:600}.job-status-card h3{font-size:16px;font-weight:700;color:var(--color-primary)}.job-status-error h3{color:var(--color-error)}.job-status-success h3{color:var(--color-success)}.job-stats{display:flex;flex-direction:column;gap:8px}.job-stat-row{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--color-border-light);border-radius:var(--radius-sm);font-size:14px}.job-stat-row span{color:var(--color-text-muted)}.job-stat-row strong{color:var(--color-primary);font-size:16px}.kb-totals{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.kb-total-card{display:flex;flex-direction:column;align-items:center;gap:4px;padding:24px 16px;text-align:center}.kb-total-value{font-size:32px;font-weight:700;color:var(--color-primary);line-height:1}.kb-total-label{font-size:13px;color:var(--color-text-muted);margin-top:4px}.kb-total-warning .kb-total-value{color:var(--color-error)}.kb-sources{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.kb-source-card{padding:24px}.kb-source-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}.kb-source-icon{font-size:28px;line-height:1}.kb-source-header h3{margin:0;font-size:16px;font-weight:600;color:var(--color-text)}.kb-source-table{font-size:12px;color:var(--color-text-muted);font-family:monospace}.kb-source-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.kb-stat{display:flex;flex-direction:column;align-items:center;gap:2px}.kb-stat-value{font-size:22px;font-weight:700;color:var(--color-primary);line-height:1.2}.kb-stat-label{font-size:11px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px}.kb-coverage{border-top:1px solid var(--color-border-light);padding-top:16px}.kb-coverage-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:13px;color:var(--color-text-muted)}.kb-coverage-pct{font-weight:600;color:var(--color-primary)}.kb-coverage-bar{height:8px;background:var(--color-border-light);border-radius:4px;overflow:hidden}.kb-coverage-fill{height:100%;background:var(--color-primary);border-radius:4px;transition:width .6s ease;min-width:2px}.kb-coverage-detail{display:block;margin-top:6px;font-size:12px;color:var(--color-error)}.kb-faq-groups{border-top:1px solid var(--color-border-light);padding-top:16px;margin-top:16px}.kb-faq-groups-title{font-size:13px;color:var(--color-text-muted);display:block;margin-bottom:10px}.kb-faq-groups-list{display:flex;flex-direction:column;gap:8px}.kb-faq-group-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--color-bg);border-radius:var(--radius-sm)}.kb-faq-group-icon{font-size:18px;line-height:1}.kb-faq-group-label{flex:1;font-size:14px;color:var(--color-text)}.kb-faq-group-count{font-size:16px;font-weight:700;color:var(--color-primary)}