:root{--primary: #91553b;--primary-hover: #7a472f;--primary-light: #f5ebe7;--bg: #ffffff;--bg-secondary: #f8f9fa;--text: #1a1a1a;--text-secondary: #5a6270;--border: #e5e7eb;--error: #dc2626;--error-bg: #fef2f2;--warning: #b07a3a;--warning-bg: #fdf6ec;--success: #16a34a;--success-bg: #ecfdf5;--radius: 8px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);font-size:13px;color:var(--text);background:var(--bg);line-height:1.5}.login-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px 16px}.login-header{text-align:center;margin-bottom:24px}.login-logo{width:64px;height:64px;margin-bottom:12px}.login-header h1{font-size:20px;color:var(--primary);margin-bottom:4px}.login-header p{color:var(--text-secondary);font-size:13px}.login-form{width:100%;max-width:280px;display:flex;flex-direction:column;gap:12px}.login-form input{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;outline:none;transition:border-color .2s}.login-form input:focus{border-color:var(--primary)}.login-form input:disabled{opacity:.6}.login-error{color:var(--error);font-size:12px;text-align:center}button{padding:10px 16px;border:none;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;transition:background .2s;background:var(--primary);color:#fff}button:hover{background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-secondary);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-insert{background:var(--primary-light);color:var(--primary);padding:6px 10px;font-size:12px}.btn-insert:hover{background:var(--primary);color:#fff}.btn-logout{font-size:12px;padding:6px 10px}.app-container{display:flex;flex-direction:column;height:100vh;overflow:hidden}.toolbar{display:flex;gap:6px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0}.toolbar button{padding:6px 10px;font-size:12px}.tab-bar{display:flex;border-bottom:1px solid var(--border);flex-shrink:0}.tab{flex:1;padding:8px;text-align:center;font-size:12px;cursor:pointer;border:none;background:transparent;color:var(--text-secondary);border-bottom:2px solid transparent;border-radius:0}.tab:hover{background:var(--bg-secondary)}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:500}.chat-panel{display:flex;flex-direction:column;flex:1;overflow:hidden}.messages-container{flex:1;overflow-y:auto;padding:12px}.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);text-align:center;padding:24px}.message{margin-bottom:12px;padding:8px 12px;border-radius:var(--radius)}.message-user{background:var(--primary-light)}.message-assistant{background:var(--bg-secondary);border:1px solid var(--border)}.message-label{font-size:11px;font-weight:600;color:var(--text-secondary);margin-bottom:4px;text-transform:uppercase}.message-status{color:var(--primary);font-style:italic;font-size:12px}.message-content{word-break:break-word;font-size:13px;line-height:1.6}.message-content p{margin-bottom:8px}.message-content p:last-child{margin-bottom:0}.message-content ul,.message-content ol{padding-left:20px;margin-bottom:8px}.message-content li{margin-bottom:2px}.message-content table{border-collapse:collapse;width:100%;margin:8px 0;font-size:12px}.message-content th,.message-content td{border:1px solid var(--border);padding:4px 8px;text-align:left}.message-content th{background:var(--bg-secondary);font-weight:600}.message-content pre{background:#1e1e1e;color:#d4d4d4;padding:8px;border-radius:4px;overflow-x:auto;font-size:11px;margin:8px 0}.message-content code{font-size:12px;background:var(--bg-secondary);padding:1px 4px;border-radius:3px}.message-content pre code{background:none;padding:0}.message-content blockquote{border-left:3px solid var(--primary);padding-left:12px;color:var(--text-secondary);margin:8px 0}.message-content h1,.message-content h2,.message-content h3{margin:12px 0 6px}.message-content h1{font-size:16px}.message-content h2{font-size:14px}.message-content h3{font-size:13px}.message-content a{color:var(--primary);text-decoration:underline}.message-user .message-content{white-space:pre-wrap}.message-actions{margin-top:8px;display:flex;gap:6px}.message-confidence{margin-top:4px;font-size:11px;color:var(--text-secondary)}.selection-banner{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--primary-light);border-bottom:1px solid var(--border);cursor:pointer;flex-shrink:0}.selection-label{font-size:11px;font-weight:600;color:var(--primary);white-space:nowrap}.selection-preview{font-size:12px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.btn-use-selection{font-size:11px;padding:4px 8px;flex-shrink:0}.error-banner{padding:8px 12px;background:var(--error-bg);color:var(--error);font-size:12px;border-top:1px solid var(--error);flex-shrink:0}.chat-input-form{display:flex;gap:6px;padding:8px 12px;border-top:1px solid var(--border);background:var(--bg);flex-shrink:0}.chat-input{flex:1;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;outline:none}.chat-input:focus{border-color:var(--primary)}.chat-input:disabled{opacity:.6}.chat-input-form button{padding:10px 16px;flex-shrink:0}.sources-panel{border-top:1px solid var(--border);padding:8px 12px;max-height:200px;overflow-y:auto;flex-shrink:0}.sources-title{font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.sources-list{list-style:none}.source-item{display:flex;align-items:center;gap:6px;padding:4px 0;font-size:12px;border-bottom:1px solid var(--border)}.source-item:last-child{border-bottom:none}.source-type{background:var(--primary-light);color:var(--primary);padding:2px 6px;border-radius:4px;font-size:10px;font-weight:600;white-space:nowrap}.source-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.source-similarity{color:var(--text-secondary);font-size:11px;white-space:nowrap}.sources-empty{padding:12px;text-align:center;color:var(--text-secondary);font-size:12px}.btn-cite{padding:2px 8px;font-size:10px;background:var(--primary-light);color:var(--primary);border:none;border-radius:4px;cursor:pointer;white-space:nowrap;flex-shrink:0}.btn-cite:hover{background:var(--primary);color:#fff}.draft-panel{padding:12px;overflow-y:auto;flex:1}.draft-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.draft-header h3{font-size:14px}.draft-types-grid{display:flex;flex-direction:column;gap:8px}.draft-type-card{display:flex;flex-direction:column;align-items:flex-start;text-align:left;padding:10px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;color:var(--text)}.draft-type-card:hover{border-color:var(--primary);background:var(--primary-light)}.draft-type-label{font-weight:600;font-size:13px}.draft-type-desc{font-size:11px;color:var(--text-secondary);margin-top:2px}.draft-fields-form{display:flex;flex-direction:column;gap:10px}.draft-field label{display:block;font-size:12px;font-weight:500;margin-bottom:4px}.draft-field .required{color:var(--error);margin-left:2px}.draft-field input,.draft-field textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;font-family:var(--font);outline:none}.draft-field input:focus,.draft-field textarea:focus{border-color:var(--primary)}.draft-field textarea{min-height:80px;resize:vertical}.draft-actions{display:flex;gap:8px;margin-top:8px}.norm-search{padding:12px;overflow-y:auto;flex:1}.norm-results{display:flex;flex-direction:column;gap:6px;margin-top:8px}.norm-result-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius)}.norm-result-info{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}.norm-result-title{font-size:12px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.norm-result-status{font-size:10px;color:var(--text-secondary)}.revise-panel{padding:12px;overflow-y:auto;flex:1}.revise-empty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);text-align:center;padding:24px}.revise-preview{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:10px;margin-bottom:12px}.revise-preview-label{font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase}.revise-preview-text{font-size:12px;margin-top:4px;line-height:1.5;max-height:120px;overflow-y:auto}.revise-types{display:flex;flex-direction:column;gap:8px}.revise-type-btn{text-align:left;padding:10px 12px;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text);border-radius:var(--radius)}.revise-type-btn:hover:not(:disabled){border-color:var(--primary);background:var(--primary-light)}.diff-view{padding:12px;overflow-y:auto;flex:1;display:flex;flex-direction:column}.diff-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:12px;font-weight:600;color:var(--text-secondary)}.diff-arrow{color:var(--primary)}.diff-content{flex:1;overflow-y:auto;padding:10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);font-size:13px;line-height:1.6}.diff-added{background:#dcfce7;color:#166534}.diff-removed{background:#fef2f2;color:#991b1b;text-decoration:line-through}.diff-actions{display:flex;gap:8px;margin-top:12px;flex-shrink:0}.offline-banner{background:var(--warning-bg);color:var(--warning);padding:8px 12px;border-bottom:1px solid var(--warning);font-size:12px;font-weight:500;text-align:center}.insert-toast{padding:8px 12px;font-size:12px;font-weight:500;text-align:center;border-bottom:1px solid transparent}.insert-toast--success{background:var(--success-bg);color:var(--success);border-bottom-color:var(--success)}.insert-toast--error{background:var(--error-bg);color:var(--error);border-bottom-color:var(--error)}.login-field{display:flex;flex-direction:column;gap:6px}.login-field label{font-size:12px;font-weight:500;color:var(--text)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}