*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1a73e8;--primary-dark: #1557b0;--primary-light: #e8f0fe;--bg: #f4f6f9;--bg-white: #ffffff;--text: #202124;--text-secondary: #5f6368;--text-light: #80868b;--border: #dadce0;--border-light: #e8eaed;--success: #1e8e3e;--success-bg: #e6f4ea;--error: #d93025;--error-bg: #fce8e6;--warning: #f9ab00;--nav-bg: #1a2332;--nav-text: #e8eaed;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .12);--radius: 8px;--radius-lg: 12px;--transition: .2s ease}body{font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.navbar{display:flex;align-items:center;justify-content:space-between;background:var(--nav-bg);color:var(--nav-text);padding:0 24px;height:56px;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.nav-brand a{display:flex;align-items:center;gap:10px;color:var(--nav-text);text-decoration:none;font-size:18px;font-weight:700;letter-spacing:-.3px}.nav-links{display:flex;gap:4px}.nav-link{color:var(--nav-text);text-decoration:none;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;transition:background var(--transition)}.nav-link:hover{background:#ffffff1a}.nav-user{display:flex;align-items:center;gap:12px}.user-name{font-size:14px;color:var(--text-light)}.btn-logout{color:var(--nav-text)!important;font-size:13px;opacity:.8}.btn-logout:hover{opacity:1;background:#ffffff1a!important}.main-content{max-width:1400px;margin:0 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var(--transition);font-family:inherit}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #1a73e826}textarea{resize:vertical;font-family:Consolas,Monaco,Courier New,monospace;font-size:13px;line-height:1.5}.form-check{margin-top:12px}.form-check label{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-secondary);cursor:pointer}.form-check input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;border:none;border-radius:var(--radius);cursor:pointer;transition:all var(--transition);font-family:inherit;text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark);box-shadow:var(--shadow-sm)}.btn-secondary{background:var(--bg);color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border-light)}.btn-ghost{background:transparent;color:var(--text-secondary);padding:8px 12px}.btn-ghost:hover:not(:disabled){background:var(--bg)}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover:not(:disabled){background:#c5221f}.btn-danger-text{color:var(--error)!important}.btn-sm{padding:6px 12px;font-size:13px}.btn-full{width:100%}.btn-copy{position:absolute;top:12px;right:12px;background:var(--primary-light);color:var(--primary);border:1px solid var(--primary);z-index:2}.btn-copy:hover{background:var(--primary);color:#fff}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px}.alert-error{background:var(--error-bg);color:var(--error);border:1px solid rgba(217,48,37,.2)}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(30,142,62,.2)}.card{background:var(--bg-white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);margin-bottom:20px}.card h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:16px}.page-header{margin-bottom:24px}.page-header h2{font-size:24px;font-weight:700;color:var(--text);margin-bottom:4px}.page-header p{font-size:14px;color:var(--text-secondary)}.extract-layout{display:grid;grid-template-columns:400px 1fr;gap:24px;align-items:start}.btn-extract{font-size:16px;padding:14px 24px;margin-bottom:16px}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:32px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg)}.drop-zone:hover,.drop-zone.drag-active{border-color:var(--primary);background:var(--primary-light)}.drop-zone.has-file{border-color:var(--success);border-style:solid;background:var(--success-bg)}.drop-zone-content{color:var(--text-secondary)}.drop-icon{font-size:36px;display:block;margin-bottom:8px}.drop-hint{font-size:12px;color:var(--text-light);margin-top:4px}.file-info{display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;color:var(--success)}.file-icon{font-size:24px}.file-name{font-weight:600}.file-size{color:var(--text-light);font-size:12px}.mapping-textarea{min-height:120px}.template-select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:var(--bg-white);color:var(--text);cursor:pointer;transition:border-color .2s}.template-select option,.template-select-mini option{white-space:normal;word-break:break-word;line-height:1.4;padding:4px 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10px;font-size:13px}.main-content{padding:16px}.mapping-toolbar{flex-direction:column;align-items:stretch}.search-box{max-width:100%}.mapping-add-form{flex-direction:column}}@media (max-width: 600px){.nav-brand span,.user-name{display:none}.login-card{padding:28px 24px}.key-summary{flex-wrap:wrap}}.agent-chat-layout{display:flex;height:calc(100vh - 56px);overflow:hidden}.agent-sidebar{width:280px;background:var(--bg-white);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:width .2s}.agent-sidebar.collapsed{width:0;overflow:hidden;border-right:none}.sidebar-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--border-light)}.sidebar-header h3{font-size:14px;color:var(--text)}.btn-sm{font-size:12px;padding:4px 12px}.session-list{flex:1;overflow-y:auto;padding:8px}.session-item{position:relative;display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:8px;cursor:pointer;margin-bottom:4px;transition:background .15s}.session-item:hover{background:var(--bg)}.session-item-body{flex:1;min-width:0}.session-delete-btn{flex:0 0 auto;padding:4px 8px;background:transparent;border:none;border-radius:6px;cursor:pointer;color:var(--text-muted, #666);font-size:14px;line-height:1;opacity:0;transition:opacity .15s,background .15s,color .15s}.session-item:hover .session-delete-btn,.session-delete-btn:focus{opacity:1}.session-delete-btn:hover{background:#fee;color:#c33}.session-item.active{background:var(--primary-light);border-left:3px solid var(--primary)}.session-title{font-size:13px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-date{font-size:11px;color:var(--text-light);margin-top:2px}.session-empty{text-align:center;color:var(--text-light);padding:24px;font-size:13px}.agent-chat-main{flex:1;display:flex;flex-direction:column;position:relative;background:var(--bg)}.agent-working-pill{position:absolute;top:12px;right:16px;z-index:20;display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--bg-white);border:1px solid var(--border);border-radius:999px;box-shadow:0 2px 8px #00000014;font-size:13px;color:var(--text);pointer-events:none}.spinner-sm{width:16px;height:16px;margin:0;border-width:2px}.sidebar-toggle{position:absolute;top:12px;left:8px;z-index:10;background:var(--bg-white);border:1px solid var(--border);border-radius:6px;padding:4px 8px;cursor:pointer;font-size:14px;color:var(--text-secondary)}.sidebar-toggle:hover{background:var(--bg)}.chat-messages{flex:1;overflow-y:auto;padding:24px 16px;display:flex;flex-direction:column;gap:16px}.chat-welcome{text-align:center;padding:48px 24px;max-width:500px;margin:auto}.welcome-icon{margin-bottom:16px}.chat-welcome h2{font-size:24px;color:var(--text);margin-bottom:12px}.chat-welcome p{color:var(--text-secondary);font-size:14px;line-height:1.6}.welcome-steps{display:flex;gap:24px;justify-content:center;margin-top:24px}.step{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary)}.step-num{width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.chat-msg{display:flex;gap:12px;max-width:800px;width:100%;margin:0 auto}.msg-avatar{flex-shrink:0}.avatar-user,.avatar-agent{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.avatar-user{background:var(--primary-light);color:var(--primary)}.avatar-agent{background:var(--primary);color:#fff}.msg-body{flex:1;min-width:0}.chat-msg-user .msg-body{background:var(--bg-white);border-radius:12px;padding:12px 16px;border:1px solid var(--border-light)}.chat-msg-assistant .msg-body{background:var(--bg-white);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow-sm)}.msg-content p{font-size:14px;line-height:1.6;color:var(--text);margin-bottom:4px}.msg-content p:last-child{margin-bottom:0}.tool-calls{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.tool-call-badge{display:inline-flex;align-items:center;gap:4px;background:var(--primary-light);color:var(--primary);font-size:11px;padding:3px 8px;border-radius:12px;font-weight:500}.tool-icon{font-size:12px}.typing-indicator{display:flex;gap:4px;padding:8px 0}.typing-indicator span{width:8px;height:8px;border-radius:50%;background:var(--text-light);animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}.chat-input-area{padding:12px 16px 16px;background:var(--bg-white);border-top:1px solid var(--border-light)}.chat-error{color:var(--error);font-size:12px;margin-bottom:8px;padding:6px 12px;background:var(--error-bg);border-radius:6px}.attached-file{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary);padding:4px 10px;border-radius:6px;font-size:12px;margin-bottom:8px}.attached-file button{background:none;border:none;color:var(--primary);cursor:pointer;font-size:16px;padding:0 2px}.chat-input-row{display:flex;align-items:flex-end;gap:8px;max-width:800px;margin:0 auto}.btn-icon{background:none;border:1px solid var(--border);border-radius:8px;padding:8px;cursor:pointer;font-size:18px;color:var(--text-secondary);flex-shrink:0}.btn-icon:hover{background:var(--bg)}.template-select-mini{font-size:12px;padding:6px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg-white);color:var(--text);max-width:160px;flex-shrink:0}.chat-textarea{flex:1;border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-size:14px;font-family:inherit;resize:none;min-height:64px;max-height:200px;line-height:1.5;outline:none;transition:border-color .15s}.chat-textarea:focus{border-color:var(--primary)}.btn-send{flex-shrink:0;padding:8px 20px;border-radius:12px;font-size:14px;font-weight:500}@media (max-width: 768px){.agent-sidebar{position:absolute;top:0;left:0;bottom:0;z-index:20;height:100%;width:85vw;max-width:320px;box-shadow:var(--shadow-lg)}.agent-sidebar.collapsed{width:0;max-width:0}.agent-sidebar:not(.collapsed)+.agent-chat-main:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:15}.agent-chat-layout{height:calc(100vh - 52px);height:calc(100dvh - 52px)}.agent-chat-main{min-width:0}.chat-welcome{padding:24px 16px}.chat-welcome h2{font-size:20px}.welcome-steps{flex-direction:column;align-items:stretch;gap:10px;margin-top:16px}.step{padding:8px 12px;background:var(--bg-white);border-radius:8px;border:1px solid var(--border-light)}.chat-messages{padding:16px 12px 20px;gap:12px}.chat-msg{gap:8px}.avatar-user,.avatar-agent{width:26px;height:26px;font-size:12px}.msg-body{min-width:0;flex:1}.msg-content{word-break:break-word;font-size:14px}.chat-input-area{padding:8px 10px 10px}.chat-input-row{flex-wrap:wrap;gap:6px}.template-select-mini{order:-1;max-width:100%;width:100%}.chat-textarea{min-width:0;flex:1 1 100%;order:1;font-size:16px;padding:10px 12px}.chat-input-row .btn-icon{order:2}.chat-input-row .btn-send{order:3;padding:8px 16px}.attached-file{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.agent-working-pill{top:8px;right:8px;padding:6px 10px;font-size:12px}.sidebar-toggle{top:8px;left:8px}}@media (max-width: 480px){.chat-welcome{padding:16px 12px}.chat-welcome h2{font-size:18px}.chat-welcome p{font-size:13px}.welcome-icon svg{width:40px;height:40px}}