diff --git "a/templates/chat_v02.html" "b/templates/chat_v02.html"
--- "a/templates/chat_v02.html"
+++ "b/templates/chat_v02.html"
@@ -1,1784 +1,1784 @@
-<!DOCTYPE html>
-<html lang="ko">
-<head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>LexiMind - 자동차 인증 법규를 더 쉽게</title>
-    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
-    <script src="https://cdn.socket.io/4.7.2/socket.io.min.js"></script>
-    <style>
-        :root {
-            --primary-color: #0066FF;
-            --primary-hover: #4da8ff;
-            --bg-primary: #1a1a1a;
-            --bg-secondary: #2c2c2c;
-            --bg-tertiary: #333;
-            --bg-quaternary: #444;
-            --text-primary: #e0e0e0;
-            --text-secondary: #b0b0b0;
-            --text-muted: #888;
-            --border-color: #444;
-            --shadow: 0 2px 8px rgba(0,0,0,0.2);
-            --radius: 8px;
-            --success-color: #4caf50;
-            --warning-color: #ff9800;
-        }
-
-        * { box-sizing: border-box; }
-
-        body {
-            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
-            margin: 0; padding: 0;
-            background-color: var(--bg-primary);
-            color: var(--text-primary);
-            line-height: 1.6;
-        }
-
-        /* ===== 헤더 ===== */
-        .header {
-            background: var(--bg-secondary);
-            padding: 16px 24px;
-            box-shadow: var(--shadow);
-            display: flex; justify-content: space-between; align-items: center;
-            position: sticky; top: 0; z-index: 100;
-        }
-
-        .logo { 
-            font-size: 28px; font-weight: 700; color: var(--primary-color); letter-spacing: -0.5px; 
-        }
-        
-        .nav { 
-            display: flex; list-style: none; gap: 32px; margin: 0; padding: 0; 
-        }
-        
-        .nav a {
-            text-decoration: none; color: var(--text-secondary); font-weight: 500;
-            padding: 8px 12px; border-radius: var(--radius); transition: all 0.2s ease;
-        }
-
-        .nav a:hover { 
-            color: var(--primary-hover); background: rgba(77, 168, 255, 0.1); 
-        }
-
-        /* ===== 사이드바 컨트롤 ===== */
-        .sidebar-toggle {
-            position: fixed;
-            top: 100px;
-            left: 30px;
-            width: 40px;
-            height: 40px;
-            background: rgba(0, 102, 255, 0.7);
-            border: 1px solid rgba(255, 255, 255, 0.2);
-            border-radius: 50%;
-            cursor: pointer;
-            z-index: 1001;
-            transition: all 0.3s ease;
-            display: flex;
-            align-items: center;
-            justify-content: center;
-            backdrop-filter: blur(10px);
-            box-shadow: 0 8px 32px rgba(0, 102, 255, 0.3);
-        }
-
-        .sidebar-toggle:hover {
-            background: rgba(77, 168, 255, 0.8);
-            transform: scale(1.05);
-        }
-
-        .hamburger {
-            width: 15px;
-            height: 2px;
-            background: white;
-            position: relative;
-            transition: all 0.3s ease;
-            transform: translateX(-7px);
-        }
-
-        .hamburger::before,
-        .hamburger::after {
-            content: '';
-            position: absolute;
-            width: 15px;
-            height: 2px;
-            background: white;
-            transition: all 0.3s ease;
-        }
-
-        .hamburger::before { top: -6px; }
-        .hamburger::after { top: 6px; }
-
-        .sidebar-toggle.active .hamburger { background: transparent; }
-        .sidebar-toggle.active .hamburger::before { transform: rotate(45deg); top: 0; }
-        .sidebar-toggle.active .hamburger::after { transform: rotate(-45deg); top: 0; }
-
-        .new-page-btn {
-            position: fixed;
-            top: 100px;
-            left: 85px;
-            min-width: 120px;
-            height: 40px;
-            padding: 8px 16px;
-            background: rgba(255, 255, 255, 1);
-            border: 2px solid rgba(0, 102, 255, 0.2);
-            border-radius: 12px;
-            cursor: pointer;
-            z-index: 1001;
-            transition: all 0.3s ease;
-            display: flex;
-            align-items: center;
-            justify-content: center;
-            gap: 8px;
-            opacity: 0;
-            visibility: hidden;
-            transform: translateX(-20px);
-        }
-
-        .new-page-btn.show {
-            opacity: 1;
-            visibility: visible;
-            transform: translateX(0);
-        }
-
-        .new-page-btn:hover {
-            background: rgba(255, 255, 255, 0.8);
-            transform: translateY(-2px);
-        }
-
-        .plus-icon {
-            color: #0066FF;
-            font-size: 16px;
-            font-weight: 700;
-        }
-
-        /* ===== 사이드바 ===== */
-        .sidebar { 
-            position: fixed; top: 76px; left: -300px; width: 300px; 
-            height: calc(100vh - 76px); background: #2c2c2c; 
-            transition: left 0.3s ease; z-index: 1000; overflow-y: auto; 
-        }
-        .sidebar.open { left: 0; }
-        
-        .sidebar-content {
-            padding: 75px 30px 30px 30px;
-        }
-
-        .sidebar-overlay { 
-            position: fixed; top: 76px; left: 0; width: 100%; 
-            height: calc(100vh - 76px); background: rgba(0, 0, 0, 0.5); 
-            opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 999; 
-        }
-        .sidebar-overlay.active { opacity: 1; visibility: visible; }
-
-        .date-ranges {
-            display: flex;
-            flex-direction: column;
-            gap: 12px;
-        }
-
-        .date-range-item {
-            display: block;
-            padding: 16px;
-            background: var(--bg-tertiary);
-            border: 2px solid transparent;
-            border-radius: var(--radius);
-            text-decoration: none;
-            color: var(--text-primary);
-            transition: all 0.3s ease;
-        }
-
-        .date-range-item:hover {
-            background: var(--bg-quaternary);
-            border-color: var(--primary-color);
-            transform: translateY(-2px);
-        }
-
-        .date-period {
-            display: block;
-            font-weight: 600;
-            font-size: 14px;
-            color: var(--primary-color);
-            margin-bottom: 4px;
-        }
-
-        .date-count {
-            display: block;
-            font-size: 12px;
-            color: var(--text-muted);
-        }
-
-        /* ===== 메인 레이아웃 ===== */
-        .main {
-            display: flex;
-            height: calc(100vh - 76px);
-            max-width: 100%;
-            margin: 0;
-            padding: 0;
-        }
-
-        /* ===== 필터 패널 ===== */
-        .filter-panel { 
-            width: 350px; 
-            background: var(--bg-secondary); 
-            border-right: 1px solid var(--border-color); 
-            display: flex; 
-            flex-direction: column; 
-            overflow: hidden;
-        }
-        
-        .filter-header { 
-            padding: 100px 20px 20px 20px; 
-            border-bottom: 1px solid var(--border-color); 
-            background: var(--bg-tertiary); 
-        }
-        .filter-title { 
-            font-size: 20px; 
-            font-weight: 700; 
-            color: var(--text-primary); 
-            margin: 0 0 16px 0; 
-        }
-        
-        /* 지역 선택 토글 */
-        .toggle-group { margin-bottom: 24px; }
-        .toggle-label { 
-            display: block; 
-            font-size: 14px; 
-            font-weight: 600; 
-            color: var(--text-secondary); 
-            margin-bottom: 12px; 
-        }
-        .toggle-options {
-            display: flex;
-            gap: 8px;
-            flex-wrap: wrap;
-        }
-        .toggle-btn { 
-            padding: 8px 16px; 
-            background: var(--bg-quaternary); 
-            border: 2px solid transparent; 
-            border-radius: 20px; 
-            color: var(--text-secondary); 
-            cursor: pointer; 
-            transition: all 0.2s ease; 
-            font-size: 13px; 
-            font-weight: 500; 
-        }
-        .toggle-btn:hover { 
-            background: #3a3a3a; 
-            color: var(--text-primary); 
-        }
-        .toggle-btn.active { 
-            background: var(--primary-color); 
-            border-color: var(--primary-hover); 
-            color: white; 
-        }
-
-        /* 법규 목록 스타일 */
-        .regulation-list-container { 
-            border-bottom: 1px solid var(--border-color);
-            padding: 24px;
-            max-height: 250px;
-            overflow-y: auto;
-        }
-
-        .regulation-header {
-            display: flex;
-            justify-content: space-between;
-            align-items: center;
-            margin-bottom: 12px;
-        }
-
-        .selected-count {
-            font-size: 12px;
-            color: var(--primary-color);
-            background: rgba(77, 168, 255, 0.1);
-            padding: 4px 8px;
-            border-radius: 4px;
-        }
-
-        .regulation-item {
-            padding: 12px; 
-            margin: 8px 0; 
-            background: var(--bg-quaternary); 
-            border-radius: var(--radius);
-            cursor: pointer; 
-            transition: all 0.2s ease; 
-            border: 2px solid transparent; 
-            user-select: none;
-        }
-        .regulation-item:hover { 
-            background: #3a3a3a; 
-            border-color: var(--primary-color); 
-        }
-        .regulation-item.selected { 
-            background: var(--primary-color); 
-            color: white; 
-            border-color: var(--primary-hover); 
-        }
-
-        /* ===== 상세 법규 리스트 ===== */
-        .regulation-details-container {
-            flex: 1; 
-            display: flex; 
-            flex-direction: column; 
-            overflow: hidden;
-        }
-        .regulation-details-header { 
-            display: flex; 
-            justify-content: space-between; 
-            align-items: center; 
-            padding: 16px 24px; 
-            border-bottom: 1px solid var(--border-color); 
-        }
-
-        .btn {
-            padding: 8px 16px;
-            border: none;
-            border-radius: var(--radius);
-            background: var(--primary-color);
-            color: white;
-            cursor: pointer;
-            font-size: 13px;
-            font-weight: 600;
-            transition: all 0.2s ease;
-        }
-
-        .btn:hover {
-            background: var(--primary-hover);
-            transform: translateY(-1px);
-        }
-
-        .btn-small {
-            padding: 6px 12px;
-            font-size: 12px;
-        }
-
-        .btn-load {
-            background: var(--success-color);
-        }
-
-        .btn-load:hover {
-            background: #45a049;
-        }
-
-        .btn-secondary {
-            background: var(--bg-quaternary);
-        }
-
-        .btn-secondary:hover {
-            background: #555;
-        }
-
-        .btn-danger {
-            background: #ff4757;
-        }
-
-        .btn-danger:hover {
-            background: #ff3838;
-        }
-
-        .regulation-search { 
-            padding: 12px 24px; 
-            background: var(--bg-tertiary); 
-            border-bottom: 1px solid var(--border-color); 
-        }
-        .regulation-search-input { 
-            width: 100%; 
-            padding: 8px 12px; 
-            border: 1px solid var(--border-color); 
-            border-radius: var(--radius); 
-            background: var(--bg-quaternary); 
-            color: var(--text-primary); 
-            font-size: 13px; 
-            transition: border-color 0.2s ease; 
-        }
-        .regulation-search-input:focus { 
-            outline: none; 
-            border-color: var(--primary-color); 
-        }
-        .regulation-search-input::placeholder { 
-            color: var(--text-muted); 
-        }
-        .regulation-details-list { 
-            flex: 1; 
-            overflow-y: auto; 
-            padding: 12px 24px; 
-        }
-        .regulation-detail-item { 
-            padding: 10px 12px; 
-            margin: 6px 0; 
-            background: var(--bg-quaternary); 
-            border-radius: var(--radius); 
-            cursor: pointer; 
-            transition: all 0.2s ease; 
-            border: 2px solid transparent; 
-            user-select: none; 
-            font-size: 13px; 
-            line-height: 1.4; 
-        }
-        .regulation-detail-item:hover { 
-            background: #3a3a3a; 
-            border-color: var(--primary-color); 
-        }
-        .regulation-detail-item.selected { 
-            background: var(--primary-color); 
-            color: white; 
-            border-color: var(--primary-hover); 
-        }
-        .regulation-detail-item.hidden {
-            display: none;
-        }
-
-        .action-buttons {
-            display: flex;
-            gap: 12px;
-            padding: 16px 24px;
-            border-top: 1px solid var(--border-color);
-            background: var(--bg-secondary);
-        }
-
-        /* ===== 채팅 패널 ===== */
-        .chat-panel { 
-            flex: 1; 
-            display: flex; 
-            flex-direction: column; 
-            background: var(--bg-primary); 
-        }
-        .chat-header { 
-            padding: 20px 24px; 
-            background: var(--bg-secondary); 
-            border-bottom: 1px solid var(--border-color); 
-        }
-        .chat-title { 
-            font-size: 18px; 
-            font-weight: 600; 
-            color: var(--text-primary); 
-            margin: 0; 
-            display: flex; 
-            align-items: baseline; 
-            gap: 10px; 
-        }
-        .title-subtitle { 
-            font-size: 14px; 
-            font-weight: 400; 
-            color: var(--text-muted); 
-        }
-
-        .status-text {
-            margin-top: 12px;
-            padding: 16px 20px;
-            background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-quaternary) 100%);
-            border: 2px solid var(--border-color);
-            border-radius: 12px;
-            font-size: 16px;
-            font-weight: 600;
-            color: var(--primary-color);
-            position: relative;
-            box-shadow: 0 4px 12px rgba(0, 102, 255, 0.15);
-            min-height: 60px;
-            display: flex;
-            align-items: center;
-            transition: all 0.3s ease;
-        }
-
-        .status-text:hover {
-            border-color: var(--primary-color);
-            box-shadow: 0 6px 20px rgba(0, 102, 255, 0.25);
-        }
-
-
-        /* 수정된 progress-bar 스타일 - 더 두껍게 */
-        .progress-bar {
-            position: absolute;
-            bottom: 0;
-            left: 0;
-            height: 6px;
-            background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
-            border-radius: 0 0 10px 10px;
-            transition: width 0.3s ease;
-            width: 0%;
-            box-shadow: 0 2px 8px rgba(0, 102, 255, 0.4);
-        }
-
-        .cancel-search-btn {
-            position: absolute;
-            right: 16px;
-            top: 50%;
-            transform: translateY(-50%);
-            padding: 8px 16px;
-            font-size: 13px;
-            font-weight: 600;
-            background: var(--warning-color);
-            border: 2px solid transparent;
-            border-radius: 8px;
-            color: white;
-            cursor: pointer;
-            display: none;
-            transition: all 0.3s ease;
-            box-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
-        }
-
-        .cancel-search-btn:hover {
-            background: #e68900;
-            border-color: #ff9800;
-            transform: translateY(-50%) scale(1.05);
-            box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
-        }
-
-        .cancel-search-btn:active {
-            transform: translateY(-50%) scale(0.95);
-        }
-
-        .chat-messages { 
-            flex: 1; 
-            overflow-y: auto; 
-            padding: 24px; 
-            display: flex; 
-            flex-direction: column; 
-            gap: 16px; 
-        }
-
-        /* 메시지 버블 */
-        .message { 
-            display: flex; 
-            gap: 12px; 
-            max-width: 80%; 
-            animation: slideIn 0.3s ease; 
-        }
-        @keyframes slideIn { 
-            from { opacity: 0; transform: translateY(10px); } 
-            to { opacity: 1; transform: translateY(0); } 
-        }
-        .message.user { 
-            align-self: flex-end; 
-            flex-direction: row-reverse; 
-        }
-        .message.assistant { 
-            align-self: flex-start; 
-        }
-        .message-avatar { 
-            width: 36px; 
-            height: 36px; 
-            border-radius: 50%; 
-            background: var(--primary-color); 
-            display: flex; 
-            align-items: center; 
-            justify-content: center; 
-            color: white; 
-            font-weight: 700; 
-            font-size: 14px; 
-            flex-shrink: 0; 
-        }
-        .message.user .message-avatar { 
-            background: var(--success-color); 
-        }
-        .message-content { 
-            background: var(--bg-secondary); 
-            padding: 12px 16px; 
-            border-radius: 16px; 
-            color: var(--text-primary); 
-            line-height: 1.5; 
-            word-wrap: break-word; 
-        }
-        .message.user .message-content { 
-            background: var(--primary-color); 
-            color: white; 
-        }
-        .message-time { 
-            font-size: 11px; 
-            color: var(--text-muted); 
-            margin-top: 4px; 
-        }
-
-        /* 메시지 콘텐츠 내 HTML 스타일링 */
-        .message-content h1,
-        .message-content h2 {
-            color: var(--primary-color);
-            margin: 12px 0 8px 0;
-            font-weight: 600;
-        }
-
-        .message-content h1 { font-size: 18px; }
-        .message-content h2 { 
-            font-size: 16px; 
-            border-bottom: 1px solid var(--border-color);
-            padding-bottom: 4px;
-        }
-
-        .message-content ul,
-        .message-content ol {
-            margin: 8px 0;
-            padding-left: 20px;
-        }
-
-        .message-content li {
-            margin: 4px 0;
-            line-height: 1.4;
-        }
-
-        .message-content strong {
-            color: var(--primary-color);
-        }
-
-        .message-content p {
-            margin: 8px 0;
-            line-height: 1.5;
-        }
-
-        .message.user .message-content h1,
-        .message.user .message-content h2,
-        .message.user .message-content strong {
-            color: white;
-        }
-
-        /* 채팅 입력 영역 */
-        .chat-input-container { 
-            padding: 20px 24px; 
-            background: var(--bg-secondary); 
-            border-top: 1px solid var(--border-color); 
-        }
-        .chat-input-wrapper { 
-            display: flex; 
-            gap: 12px; 
-            align-items: flex-end; 
-        }
-        .chat-input { 
-            flex: 1; 
-            padding: 12px 16px; 
-            background: var(--bg-tertiary); 
-            border: 2px solid var(--border-color); 
-            border-radius: 24px; 
-            color: var(--text-primary); 
-            font-size: 14px; 
-            resize: none; 
-            max-height: 120px; 
-            min-height: 44px; 
-            font-family: inherit; 
-            transition: border-color 0.2s ease; 
-        }
-        .chat-input:focus { 
-            outline: none; 
-            border-color: var(--primary-color); 
-        }
-        .chat-input::placeholder { 
-            color: var(--text-muted); 
-        }
-        .send-btn { 
-            width: 44px; 
-            height: 44px; 
-            border-radius: 50%; 
-            background: var(--primary-color); 
-            border: none; 
-            color: white; 
-            cursor: pointer; 
-            display: flex; 
-            align-items: center; 
-            justify-content: center; 
-            transition: all 0.2s ease; 
-            flex-shrink: 0; 
-        }
-        .send-btn:hover { 
-            background: var(--primary-hover); 
-            transform: scale(1.05); 
-        }
-        .send-btn:active { 
-            transform: scale(0.95); 
-        }
-        .send-btn:disabled { 
-            background: var(--bg-quaternary); 
-            cursor: not-allowed; 
-            transform: none; 
-        }
-
-        /* 로딩 인디케이터 */
-        .typing-indicator { 
-            display: flex; 
-            gap: 4px; 
-            padding: 12px 16px; 
-            background: var(--bg-secondary); 
-            border-radius: 16px; 
-            width: fit-content; 
-        }
-        .typing-dot { 
-            width: 8px; 
-            height: 8px; 
-            border-radius: 50%; 
-            background: var(--text-muted); 
-            animation: typing 1.4s infinite; 
-        }
-        .typing-dot:nth-child(2) { animation-delay: 0.2s; }
-        .typing-dot:nth-child(3) { animation-delay: 0.4s; }
-
-        @keyframes typing { 
-            0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 
-            30% { opacity: 1; transform: translateY(-10px); } 
-        }
-
-        /* 스크롤바 스타일 */
-        .chat-messages::-webkit-scrollbar,
-        .filter-panel::-webkit-scrollbar,
-        .regulation-list-container::-webkit-scrollbar,
-        .regulation-details-list::-webkit-scrollbar {
-            width: 8px;
-        }
-
-        .chat-messages::-webkit-scrollbar-track,
-        .filter-panel::-webkit-scrollbar-track,
-        .regulation-list-container::-webkit-scrollbar-track,
-        .regulation-details-list::-webkit-scrollbar-track {
-            background: var(--bg-tertiary);
-        }
-
-        .chat-messages::-webkit-scrollbar-thumb,
-        .filter-panel::-webkit-scrollbar-thumb,
-        .regulation-list-container::-webkit-scrollbar-thumb,
-        .regulation-details-list::-webkit-scrollbar-thumb {
-            background: var(--bg-quaternary);
-            border-radius: 4px;
-        }
-
-        .chat-messages::-webkit-scrollbar-thumb:hover,
-        .filter-panel::-webkit-scrollbar-thumb:hover,
-        .regulation-list-container::-webkit-scrollbar-thumb:hover,
-        .regulation-details-list::-webkit-scrollbar-thumb:hover {
-            background: #555;
-        }
-
-        .search-mode-group {
-            margin-bottom: 20px;
-            padding: 16px;
-            background: var(--bg-quaternary);
-            border-radius: var(--radius);
-            border: 1px solid var(--border-color);
-        }
-
-        .search-mode-toggle {
-            position: relative;
-            display: inline-block;
-            width: 60px;
-            height: 34px;
-        }
-
-        .search-mode-toggle input {
-            opacity: 0;
-            width: 0;
-            height: 0;
-        }
-
-        .slider {
-            position: absolute;
-            cursor: pointer;
-            top: 0;
-            left: 0;
-            right: 0;
-            bottom: 0;
-            background-color: var(--bg-tertiary);
-            transition: 0.4s;
-            border-radius: 34px;
-            border: 2px solid var(--border-color);
-        }
-
-        .slider:before {
-            position: absolute;
-            content: "";
-            height: 24px;
-            width: 24px;
-            left: 3px;
-            bottom: 3px;
-            background-color: var(--text-secondary);
-            transition: 0.4s;
-            border-radius: 50%;
-        }
-
-        input:checked + .slider {
-            background-color: var(--primary-color);
-            border-color: var(--primary-hover);
-        }
-
-        input:checked + .slider:before {
-            transform: translateX(24px);
-            background-color: white;
-        }
-
-        .search-mode-label {
-            display: flex;
-            align-items: center;
-            gap: 12px;
-            margin-bottom: 8px;
-            color: var(--text-secondary);
-            font-weight: 600;
-            font-size: 14px;
-        }
-
-        .search-mode-description {
-            font-size: 12px;
-            color: var(--text-muted);
-            line-height: 1.4;
-            margin-top: 8px;
-        }
-
-        .mode-indicator {
-            font-size: 13px;
-            font-weight: 600;
-            color: var(--primary-color);
-        }
-
-        .regulation-type-tabs {
-            display: flex;
-            background: var(--bg-tertiary);
-            border-bottom: 1px solid var(--border-color);
-            padding: 8px 12px;
-            gap: 4px;
-        }
-
-        .type-tab {
-            padding: 8px 16px;
-            background: var(--bg-quaternary);
-            border: 1px solid var(--border-color);
-            border-radius: var(--radius);
-            color: var(--text-secondary);
-            cursor: pointer;
-            font-size: 12px;
-            font-weight: 600;
-            transition: all 0.2s ease;
-            flex: 1;
-            text-align: center;
-        }
-
-        .type-tab:hover {
-            background: var(--bg-tertiary);
-            color: var(--text-primary);
-        }
-
-        .type-tab.active {
-            background: var(--primary-color);
-            border-color: var(--primary-hover);
-            color: white;
-        }
-
-        /* 기존 스타일에 타입별 구분을 위한 스타일 추가 */
-        .regulation-detail-item[data-type="part"]::before {
-            content: "[P] ";
-            color: var(--primary-color);
-            font-weight: 700;
-            font-size: 11px;
-        }
-
-        .regulation-detail-item[data-type="section"]::before {
-            content: "[S] ";
-            color: var(--success-color);
-            font-weight: 700;
-            font-size: 11px;
-        }
-
-        .regulation-detail-item[data-type="chapter"]::before {
-            content: "[C] ";
-            color: var(--warning-color);
-            font-weight: 700;
-            font-size: 11px;
-        }
-
-        .regulation-detail-item[data-type="jo"]::before {
-            content: "[조] ";
-            color: #ff6b6b;
-            font-weight: 700;
-            font-size: 11px;
-        }
-
-
-
-    </style>
-</head>
-
-<body>
-    <header class="header">
-        <div class="logo">LexiMind</div>
-        <nav>
-            <ul class="nav">
-                <li><a href="#">법규 검색</a></li>
-                <li><a href="#">체크리스트 생성</a></li>
-                <li><a href="#">유권해석</a></li>
-                <li><a href="#">사용문의</a></li>
-            </ul>
-        </nav>
-    </header>
-
-    <!-- 햄버거 버튼 -->
-    <button class="sidebar-toggle" id="sidebarToggle">
-        <span class="hamburger"></span>
-    </button>
-
-    <!-- 새 페이지 버튼 -->
-    <button class="new-page-btn" id="newPageBtn">
-        <span class="plus-icon">+ 새 대화 생성</span>
-    </button>
-
-    <!-- 사이드바 오버레이 -->
-    <div class="sidebar-overlay" id="sidebarOverlay"></div>
-
-    <!-- 사이드바 -->
-    <nav class="sidebar" id="sidebar">
-        <div class="sidebar-content">
-            <h3>과거 이력</h3>
-            <div class="date-ranges">
-                <a href="/history/202511" class="date-range-item">
-                    <span class="date-period">2025.11.01 ~ 2025.11.30</span>
-                    <span class="date-count">검색 15건</span>
-                </a>
-                <a href="/history/202510" class="date-range-item">
-                    <span class="date-period">2025.10.01 ~ 2025.10.31</span>
-                    <span class="date-count">검색 8건</span>
-                </a>
-                <a href="/history/202509" class="date-range-item">
-                    <span class="date-period">2025.09.01 ~ 2025.09.30</span>
-                    <span class="date-count">검색 12건</span>
-                </a>
-            </div>
-        </div>
-    </nav>
-
-    <main class="main">
-        <!-- 필터 패널 -->
-        <aside class="filter-panel">
-            <div class="filter-header">
-                <h2 class="filter-title">검색 필터</h2>
-                <div class="toggle-group">
-                    <span class="toggle-label">지역</span>
-                    <div class="toggle-options">
-                        <button class="toggle-btn region-toggle" data-value="국내">국내</button>
-                        <button class="toggle-btn region-toggle" data-value="북미">북미</button>
-                        <button class="toggle-btn region-toggle" data-value="유럽">유럽</button>
-                        <button class="toggle-btn region-toggle active" data-value="전체">전체</button>
-                    </div>
-                </div>
-
-                <!-- 검색 모드 토글 추가 -->
-                <div class="search-mode-group">
-                    <div class="search-mode-label">
-                        <span>선택된 법규 각각에서 검색하기</span>
-                        <label class="search-mode-toggle">
-                            <input type="checkbox" id="searchEachModeToggle" checked>
-                            <span class="slider"></span>
-                        </label>
-                    </div>
-                    <div class="mode-indicator" id="searchModeIndicator">각각 검색 모드</div>
-                    <div class="search-mode-description" id="searchModeDescription">
-                        선택된 각 법규별로 개별 검색을 수행하고 결과를 따로 표시합니다.
-                    </div>
-                </div>
-            </div>
-
-            <!-- 상세 법규 리스트 -->
-            <div class="regulation-details-container">
-                <div class="regulation-details-header">
-                    <span class="toggle-label">상세 법규 리스트</span>
-                    <button class="btn btn-load btn-small" onclick="loadDetailedRegulationList()">리스트 불러오기</button>
-                </div>
-                
-                <!-- 법규 타입 선택 탭 추가 -->
-                <div class="regulation-type-tabs" id="regulationTypeTabs" style="display: none;">
-                    <button class="type-tab active" data-type="part">Part</button>
-                    <button class="type-tab" data-type="section">Section</button>
-                    <button class="type-tab" data-type="chapter">Chapter</button>
-                    <button class="type-tab" data-type="jo">조</button>
-                </div>
-                
-                <div class="regulation-search" id="regulationSearchContainer" style="display: none;">
-                    <input type="text" id="regulationSearchInput" class="regulation-search-input" placeholder="법규 검색...">
-                </div>
-                <div class="regulation-details-list" id="regulationDetailsList">
-                    <p style="color: var(--text-muted); padding: 20px; text-align: center; margin: 0;">
-                        리스트 불러오기를 눌러 상세 법규를 확인하세요.
-                    </p>
-                </div>
-            </div>
-
-            <div class="action-buttons">
-                <button class="btn btn-secondary" onclick="clearAllSelections()">선택 초기화</button>
-            </div>
-        </aside>
-
-        <!-- 채팅 패널 -->
-        <section class="chat-panel">
-            <div class="chat-header">
-                <h1 class="chat-title">자동차 인증 법규 검색
-                    <span class="title-subtitle">&nbsp&nbsp관련 법규 내용을 검색으로 편리하게 찾아보세요! ※ 모든 결과물은 AI에 의해 생성된 것으로 오류가 있을 수 있습니다</span>
-                </h1>
-                <div id="statusText" class="status-text">
-                    시스템 준비 중...
-                    <div class="progress-bar" id="progressBar"></div>
-                    <button class="cancel-search-btn" id="cancelSearchBtn" onclick="cancelSearch()">취소</button>
-                </div>
-            </div>
-
-            <div class="chat-messages" id="chatMessages">
-                <div class="message assistant">
-                    <div class="message-avatar">Lexi</div>
-                    <div>
-                        <div class="message-content">
-                            안녕하세요! 자동차 인증 법규 검색 도우미입니다.<br>
-                            궁금하신 법규 내용을 검색해보세요.<br><br>
-                            (ex : ISA의 작동 요건을 알려주고, 표로 정리해줘)
-                        </div>
-                        <div class="message-time" id="welcomeTime"></div>
-                    </div>
-                </div>
-            </div>
-
-            <!-- 채팅 입력 영역 -->
-            <div class="chat-input-container">
-                <div class="chat-input-wrapper">
-                    <textarea 
-                        id="chatInput" 
-                        class="chat-input" 
-                        placeholder="검색하고 싶은 내용을 입력하세요..."
-                        rows="1"
-                    ></textarea>
-                    <button class="send-btn" id="sendBtn" title="전송">
-                        <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
-                            <path d="M22 2L11 13M22 2l-7 20-4-9-9-4 20-7z"/>
-                        </svg>
-                    </button>
-                </div>
-            </div>
-        </section>
-    </main>
-
-    <script>
-        // ===== 전역 변수 =====
-        let selectedRegulations = [];
-        let selectedRegions = [];
-        let socket;
-        let currentSessionId = null;
-        let isSearching = false;
-        let searchEachMode = true;
-        let regulationData = {}; // 모든 법규 데이터 저장
-        let currentRegulationType = 'part'; // 현재 선택된 법규 타입
-
-        // ===== 초기화 =====
-        document.addEventListener('DOMContentLoaded', function() {
-            initializeSocket();
-            initializeSidebar();
-            initializeToggles();
-            initializeChat();
-            initializeRegulationList();
-            initializeSearchModeToggle();
-            initializeRegulationTypeTabs(); // 탭 초기화 추가
-            setWelcomeTime();
-            updateSelectedCount();
-        });
-
-        // ===== 법규 타입 탭 초기화 =====
-        function initializeRegulationTypeTabs() {
-            const tabs = document.querySelectorAll('.type-tab');
-            tabs.forEach(tab => {
-                tab.addEventListener('click', function() {
-                    const type = this.getAttribute('data-type');
-                    switchRegulationType(type);
-                });
-            });
-        }
-
-        function switchRegulationType(type) {
-            currentRegulationType = type;
-            
-            // 탭 활성화 상태 변경
-            document.querySelectorAll('.type-tab').forEach(tab => {
-                tab.classList.remove('active');
-            });
-            document.querySelector(`.type-tab[data-type="${type}"]`).classList.add('active');
-            
-            // 해당 타입의 데이터 표시
-            if (regulationData[`reg_list_${type}`]) {
-                displayDetailedRegulationList(regulationData[`reg_list_${type}`], type);
-            }
-            
-            console.log('법규 타입 변경:', type);
-        }
-
-        // ===== 검색 모드 토글 초기화 =====
-        function initializeSearchModeToggle() {
-            const searchModeToggle = document.getElementById('searchEachModeToggle');
-            const modeIndicator = document.getElementById('searchModeIndicator');
-            const modeDescription = document.getElementById('searchModeDescription');
-
-            searchModeToggle.addEventListener('change', function() {
-                searchEachMode = this.checked;
-                updateSearchModeDisplay();
-            });
-
-            updateSearchModeDisplay(); // 초기 상태 설정
-        }
-
-        function updateSearchModeDisplay() {
-            const modeIndicator = document.getElementById('searchModeIndicator');
-            const modeDescription = document.getElementById('searchModeDescription');
-
-            if (searchEachMode) {
-                modeIndicator.textContent = '각각 검색 모드';
-                modeDescription.textContent = '선택된 각 법규별로 개별 검색을 수행하고 결과를 따로 표시합니다.';
-            } else {
-                modeIndicator.textContent = '통합 검색 모드';
-                modeDescription.textContent = '선택된 모든 법규를 통합하여 한 번에 검색하고 결과를 종합하여 표시합니다.';
-            }
-
-            console.log('검색 모드 변경:', searchEachMode ? '각각 검색' : '통합 검색');
-        }
-
-        // 환영 메시지 시간 설정
-        function setWelcomeTime() {
-            const timeElement = document.getElementById('welcomeTime');
-            if (timeElement) {
-                const now = new Date();
-                timeElement.textContent = formatTime(now);
-            }
-        }
-
-        // 시간 포맷팅
-        function formatTime(date) {
-            const hours = date.getHours().toString().padStart(2, '0');
-            const minutes = date.getMinutes().toString().padStart(2, '0');
-            return `${hours}:${minutes}`;
-        }
-
-        // ===== Socket.IO 초기화 =====
-        function initializeSocket() {
-            socket = io();
-            
-            // 기존 시스템 메시지
-            socket.on('message', function(data) {
-                updateSearchStatus(data.message);
-            });
-
-            // 검색 시작 - session_id 받기 (추가됨)
-            socket.on('search_started', function(data) {
-                currentSessionId = data.session_id;
-                console.log('Search started with session ID:', currentSessionId);
-            });
-
-            // 검색 상태 업데이트
-            socket.on('search_status', function(data) {
-                updateSearchStatus(data.message);
-                if (data.progress !== undefined) {
-                    updateProgressBar(data.progress);
-                }
-            });
-
-            // 법규별 결과 수신 (여러 법규 선택 시)
-            socket.on('regulation_result', function(data) {
-                const message = `**${data.regulation_title} (${data.regulation_index}/${data.total_regulations})**\n\n${data.result}`;
-                addMessage(message, 'assistant');
-            });
-
-            // 단일 검색 결과 수신
-            socket.on('search_result', function(data) {
-                addMessage(data.result, 'assistant');
-            });
-
-            // 검색 완료
-            socket.on('search_complete', function(data) {
-                hideTypingIndicator();
-                updateSearchStatus(data.message);
-                enableChatInput();
-                hideCancelButton();
-                isSearching = false;
-                currentSessionId = null; // 세션 ID 초기화
-            });
-
-            // 검색 오류
-            socket.on('search_error', function(data) {
-                hideTypingIndicator();
-                addMessage(`죄송합니다. ${data.message}\n오류 내용: ${data.error}`, 'assistant');
-                enableChatInput();
-                hideCancelButton();
-                isSearching = false;
-                currentSessionId = null; // 세션 ID 초기화
-            });
-
-            // 검색 취소
-            socket.on('search_cancelled', function(data) {
-                hideTypingIndicator();
-                addMessage('검색이 취소되었습니다.', 'assistant');
-                enableChatInput();
-                hideCancelButton();
-                isSearching = false;
-                currentSessionId = null; // 세션 ID 초기화
-            });
-        }
-
-        function updateSearchStatus(message) {
-            const statusElement = document.getElementById('statusText');
-            if (statusElement) {
-                // 첫 번째 텍스트 노드 업데이트
-                const textNode = statusElement.childNodes[0];
-                if (textNode && textNode.nodeType === Node.TEXT_NODE) {
-                    textNode.textContent = message;
-                } else {
-                    // 텍스트 노드가 없으면 새로 생성
-                    statusElement.insertBefore(document.createTextNode(message), statusElement.firstChild);
-                }
-            }
-        }
-
-        function updateProgressBar(progress) {
-            const progressBar = document.getElementById('progressBar');
-            if (progressBar) {
-                progressBar.style.width = `${progress}%`;
-            }
-        }
-
-        function showCancelButton() {
-            const cancelBtn = document.getElementById('cancelSearchBtn');
-            if (cancelBtn) {
-                cancelBtn.style.display = 'block';
-                console.log('Cancel button shown');
-            }
-        }
-
-        function hideCancelButton() {
-            const cancelBtn = document.getElementById('cancelSearchBtn');
-            if (cancelBtn) {
-                cancelBtn.style.display = 'none';
-                console.log('Cancel button hidden');
-            }
-            updateProgressBar(0);
-        }
-
-        function enableChatInput() {
-            const chatInput = document.getElementById('chatInput');
-            const sendBtn = document.getElementById('sendBtn');
-            
-            chatInput.disabled = false;
-            sendBtn.disabled = false;
-            chatInput.placeholder = '검색하고 싶은 내용을 입력하세요...';
-        }
-
-        function disableChatInput() {
-            const chatInput = document.getElementById('chatInput');
-            const sendBtn = document.getElementById('sendBtn');
-            
-            chatInput.disabled = true;
-            sendBtn.disabled = true;
-            chatInput.placeholder = '검색 진행 중...';
-        }
-
-        // ===== 사이드바 초기화 =====
-        function initializeSidebar() {
-            const sidebarToggle = document.getElementById('sidebarToggle');
-            const sidebar = document.getElementById('sidebar');
-            const sidebarOverlay = document.getElementById('sidebarOverlay');
-            const newPageBtn = document.getElementById('newPageBtn');
-
-            sidebarToggle.addEventListener('click', function() {
-                const isOpen = sidebar.classList.contains('open');
-                if (isOpen) {
-                    closeSidebar();
-                } else {
-                    openSidebar();
-                }
-            });
-
-            sidebarOverlay.addEventListener('click', closeSidebar);
-
-            document.addEventListener('keydown', function(e) {
-                if (e.key === 'Escape') {
-                    closeSidebar();
-                }
-            });
-
-            if (newPageBtn) {
-                newPageBtn.addEventListener('click', function() {
-                    window.open('/', '_blank');
-                });
-            }
-        }
-
-        function openSidebar() {
-            const sidebar = document.getElementById('sidebar');
-            const sidebarToggle = document.getElementById('sidebarToggle');
-            const sidebarOverlay = document.getElementById('sidebarOverlay');
-            const newPageBtn = document.getElementById('newPageBtn');
-
-            sidebar.classList.add('open');
-            sidebarToggle.classList.add('active');
-            sidebarOverlay.classList.add('active');
-            if (newPageBtn) newPageBtn.classList.add('show');
-        }
-
-        function closeSidebar() {
-            const sidebar = document.getElementById('sidebar');
-            const sidebarToggle = document.getElementById('sidebarToggle');
-            const sidebarOverlay = document.getElementById('sidebarOverlay');
-            const newPageBtn = document.getElementById('newPageBtn');
-
-            sidebar.classList.remove('open');
-            sidebarToggle.classList.remove('active');
-            sidebarOverlay.classList.remove('active');
-            if (newPageBtn) newPageBtn.classList.remove('show');
-        }
-
-        // ===== 토글 버튼 초기화 =====
-        function initializeToggles() {
-            document.querySelectorAll('.region-toggle').forEach(btn => {
-                btn.addEventListener('click', function() {
-                    handleRegionToggle(this);
-                });
-            });
-        }
-
-        function handleRegionToggle(clickedBtn) {
-            const value = clickedBtn.getAttribute('data-value');
-            const allButtons = document.querySelectorAll('.region-toggle');
-
-            if (value === '전체') {
-                // 전체 선택 - 다른 모든 버튼 비활성화
-                allButtons.forEach(btn => btn.classList.remove('active'));
-                clickedBtn.classList.add('active');
-                selectedRegions.length = 0;
-            } else {
-                // 개별 선택 - 전체 버튼 비활성화
-                const allBtn = document.querySelector('.region-toggle[data-value="전체"]');
-                if (allBtn) allBtn.classList.remove('active');
-
-                clickedBtn.classList.toggle('active');
-
-                if (clickedBtn.classList.contains('active')) {
-                    if (!selectedRegions.includes(value)) {
-                        selectedRegions.push(value);
-                    }
-                } else {
-                    selectedRegions = selectedRegions.filter(region => region !== value);
-                }
-
-                // 아무것도 선택되지 않았으면 전체 활성화
-                if (selectedRegions.length === 0 && allBtn) {
-                    allBtn.classList.add('active');
-                }
-            }
-            
-            console.log('선택된 지역:', selectedRegions);
-        }
-
-        function getSelectedRegions() {
-            return selectedRegions.length > 0 ? selectedRegions : [];
-        }
-
-        // ===== 법규 리스트 초기화 =====
-        function initializeRegulationList() {
-            // 이미 상세 법규 리스트에서 처리되므로 여기서는 빈 함수로 유지
-        }
-
-        function toggleRegulationSelection(element) {
-            const id = element.getAttribute('data-id');
-            if (selectedRegulations.includes(id)) {
-                selectedRegulations = selectedRegulations.filter(item => item !== id);
-                element.classList.remove('selected');
-            } else {
-                selectedRegulations.push(id);
-                element.classList.add('selected');
-            }
-            updateSelectedCount();
-        }
-
-        function updateSelectedCount() {
-            const countElement = document.getElementById('selectedCount');
-            if (countElement) {
-                countElement.textContent = `선택됨: ${selectedRegulations.length}`;
-            }
-        }
-
-        // ===== 채팅 초기화 (수정된 버전) =====
-        function initializeChat() {
-            const chatInput = document.getElementById('chatInput');
-            const sendBtn = document.getElementById('sendBtn');
-
-            // 자동 높이 조절
-            chatInput.addEventListener('input', function() {
-                this.style.height = 'auto';
-                this.style.height = Math.min(this.scrollHeight, 120) + 'px';
-            });
-
-            // Enter 키로 전송
-            chatInput.addEventListener('keydown', function(e) {
-                if (e.key === 'Enter' && !e.shiftKey && !isSearching) {
-                    e.preventDefault();
-                    sendMessage();
-                }
-            });
-
-            // 전송 버튼 클릭
-            sendBtn.addEventListener('click', function() {
-                if (!isSearching) {
-                    sendMessage();
-                }
-            });
-        }
-
-        // ===== 메시지 전송 (수정된 버전) =====
-        function sendMessage() {
-            const chatInput = document.getElementById('chatInput');
-            const message = chatInput.value.trim();
-            if (!message || isSearching) return;
-
-            // 사용자 메시지 추가
-            addMessage(message, 'user');
-
-            // 입력창 초기화 및 비활성화
-            chatInput.value = '';
-            chatInput.style.height = 'auto';
-            disableChatInput();
-            isSearching = true;
-
-            // 로딩 표시
-            showTypingIndicator();
-            showCancelButton();
-
-            // 서버에 소켓으로 요청 (검색 모드 포함)
-            const requestData = {
-                query: message,
-                regions: getSelectedRegions(),
-                searchEachMode: searchEachMode, // 검색 모드 추가
-                selectedRegulations: selectedRegulations.map(id => {
-                    const element = document.querySelector(`[data-id="${id}"]`);
-                    return {
-                        id: id,
-                        title: element ? element.getAttribute('data-title') || element.textContent.trim() : id
-                    };
-                })
-            };
-
-            // 소켓으로 검색 요청 전송
-            socket.emit('search_query', requestData);
-        }
-
-        // 검색 취소 함수 (수정됨)
-        function cancelSearch() {
-            console.log('Cancel search clicked. Session ID:', currentSessionId, 'Is searching:', isSearching);
-            
-            if (currentSessionId && isSearching) {
-                socket.emit('cancel_search', { session_id: currentSessionId });
-                console.log('Cancel request sent with session ID:', currentSessionId);
-            } else {
-                console.log('Cannot cancel: no session ID or not searching');
-                // 로컬에서 검색 상태 초기화
-                hideTypingIndicator();
-                enableChatInput();
-                hideCancelButton();
-                isSearching = false;
-                currentSessionId = null;
-                updateSearchStatus('검색이 취소되었습니다.');
-            }
-        }
-
-        function addMessage(text, type) {
-            const chatMessages = document.getElementById('chatMessages');
-            const messageDiv = document.createElement('div');
-            messageDiv.className = `message ${type}`;
-
-            const avatar = document.createElement('div');
-            avatar.className = 'message-avatar';
-            avatar.textContent = type === 'user' ? 'Me' : 'Lexi';
-
-            const contentWrapper = document.createElement('div');
-            const content = document.createElement('div');
-            content.className = 'message-content';
-            
-            if (type === 'assistant') {
-                // 마크다운 스타일 텍스트를 HTML로 변환
-                //const formattedText = formatMarkdownToHtml(text);
-                content.innerHTML = text;
-            } else {
-                content.textContent = text;
-            }
-
-            const time = document.createElement('div');
-            time.className = 'message-time';
-            time.textContent = formatTime(new Date());
-
-            contentWrapper.appendChild(content);
-            contentWrapper.appendChild(time);
-            messageDiv.appendChild(avatar);
-            messageDiv.appendChild(contentWrapper);
-
-            // 타이핑 인디케이터가 있으면 그 위에 추가
-            const typingIndicator = document.getElementById('typingIndicator');
-            if (typingIndicator) {
-                chatMessages.insertBefore(messageDiv, typingIndicator);
-            } else {
-                chatMessages.appendChild(messageDiv);
-            }
-
-            chatMessages.scrollTop = chatMessages.scrollHeight;
-        }
-
-        function formatMarkdownToHtml(text) {
-            // 간단한 마크다운 변환
-            let html = text;
-            
-            // **굵은 글씨** 변환
-            html = html.replace(/\*\*(.*?)\*\*/g, '<strong>$1</strong>');
-            
-            // 줄바꿈 변환
-            html = html.replace(/\n/g, '<br>');
-            
-            return html;
-        }
-
-        function showTypingIndicator() {
-            // 기존 타이핑 인디케이터 제거
-            hideTypingIndicator();
-            
-            const chatMessages = document.getElementById('chatMessages');
-            const indicator = document.createElement('div');
-            indicator.className = 'message assistant';
-            indicator.id = 'typingIndicator';
-
-            const avatar = document.createElement('div');
-            avatar.className = 'message-avatar';
-            avatar.textContent = 'Lexi';
-
-            const typing = document.createElement('div');
-            typing.className = 'typing-indicator';
-            typing.innerHTML = '<div class="typing-dot"></div><div class="typing-dot"></div><div class="typing-dot"></div>';
-
-            indicator.appendChild(avatar);
-            indicator.appendChild(typing);
-            chatMessages.appendChild(indicator);
-            chatMessages.scrollTop = chatMessages.scrollHeight;
-        }
-
-        function hideTypingIndicator() {
-            const indicator = document.getElementById('typingIndicator');
-            if (indicator) {
-                indicator.remove();
-            }
-        }
-
-        function decodeHtmlEntities(text) {
-            const textarea = document.createElement('textarea');
-            textarea.innerHTML = text;
-            return textarea.value;
-        }
-
-        // ===== 상세 법규 리스트 관련 함수 =====
-        function loadDetailedRegulationList() {
-            const selectedRegions = getSelectedRegions();
-            const detailsListDiv = document.getElementById('regulationDetailsList');
-            const searchContainer = document.getElementById('regulationSearchContainer');
-            const typeTabs = document.getElementById('regulationTypeTabs');
-            
-            detailsListDiv.innerHTML = '<p style="color: var(--text-muted); padding: 20px; text-align: center; margin: 0;">상세 법규 리스트 로딩 중...</p>';
-
-            fetch('/get_reg_list', {
-                method: 'POST',
-                headers: {
-                    'Content-Type': 'application/json'
-                },
-                body: JSON.stringify({ regions: selectedRegions })
-            })
-            .then(response => response.json())
-            .then(data => {
-                // 모든 법규 데이터 저장
-                regulationData = data;
-                
-                if (data.reg_list_part || data.reg_list_section || data.reg_list_chapter || data.reg_list_jo) {
-                    // 탭과 검색창 표시
-                    typeTabs.style.display = 'flex';
-                    searchContainer.style.display = 'block';
-                    
-                    // 기본적으로 part 타입 표시
-                    switchRegulationType('part');
-                    initializeRegulationSearch();
-                } else {
-                    detailsListDiv.innerHTML = '<p style="color: var(--text-muted); padding: 20px; text-align: center; margin: 0;">상세 법규 리스트를 불러올 수 없습니다.</p>';
-                }
-            })
-            .catch(error => {
-                console.error('상세 법규 리스트 로딩 오류:', error);
-                detailsListDiv.innerHTML = '<p style="color: #ff6b6b; padding: 20px; text-align: center; margin: 0;">리스트 로딩 중 오류가 발생했습니다.</p>';
-            });
-        }
-
-        function displayDetailedRegulationList(data, type) {
-            const detailsListDiv = document.getElementById('regulationDetailsList');
-            
-            let listHTML = '';
-            
-            if (typeof data === 'string' && data.trim()) {
-                const lines = data.split('\n').filter(line => line.trim());
-                lines.forEach((line, index) => {
-                    const regId = `detail_reg_${type}_${Date.now()}_${index}`;
-                    const isSelected = selectedRegulations.includes(regId);
-                    listHTML += `
-                        <div class="regulation-detail-item ${isSelected ? 'selected' : ''}" 
-                             data-id="${regId}" 
-                             data-title="${line.trim()}"
-                             data-type="${type}"
-                             data-search-text="${line.trim().toLowerCase()}">
-                            ${line.trim()}
-                        </div>
-                    `;
-                });
-            } else if (Array.isArray(data)) {
-                data.forEach((item, index) => {
-                    const regId = item.id || `detail_reg_${type}_${Date.now()}_${index}`;
-                    const title = item.title || item.name || item.toString();
-                    const isSelected = selectedRegulations.includes(regId);
-                    listHTML += `
-                        <div class="regulation-detail-item ${isSelected ? 'selected' : ''}" 
-                             data-id="${regId}" 
-                             data-title="${title}"
-                             data-type="${type}"
-                             data-search-text="${title.toLowerCase()}">
-                            ${title}
-                        </div>
-                    `;
-                });
-            } else {
-                listHTML = '<p style="color: var(--text-muted); padding: 20px; text-align: center; margin: 0;">해당 타입의 법규 데이터가 없습니다.</p>';
-            }
-            
-            detailsListDiv.innerHTML = listHTML;
-            updateSelectedCount();
-            
-            // 상세 법규 리스트 클릭 이벤트 추가 (기존 이벤트 리스너 제거 후 재생성)
-            detailsListDiv.removeEventListener('click', handleRegulationClick);
-            detailsListDiv.addEventListener('click', handleRegulationClick);
-        }
-
-        function handleRegulationClick(e) {
-            const item = e.target.closest('.regulation-detail-item');
-            if (item) {
-                toggleRegulationSelection(item);
-            }
-        }
-
-        function toggleRegulationSelection(element) {
-            const id = element.getAttribute('data-id');
-            const isSelected = selectedRegulations.find(reg => reg.id === id);
-            
-            if (isSelected) {
-                selectedRegulations = selectedRegulations.filter(reg => reg.id !== id);
-                element.classList.remove('selected');
-            } else {
-                const regulationData = {
-                    id: id,
-                    title: element.getAttribute('data-title') || element.textContent.trim(),
-                    type: element.getAttribute('data-type')
-                };
-                selectedRegulations.push(regulationData);
-                element.classList.add('selected');
-            }
-            updateSelectedCount();
-        }
-
-        function updateSelectedCount() {
-            const countElement = document.getElementById('selectedCount');
-            if (countElement) {
-                countElement.textContent = `선택됨: ${selectedRegulations.length}`;
-            }
-        }
-
-        // ===== 메시지 전송 (수정된 버전) =====
-        function sendMessage() {
-            const chatInput = document.getElementById('chatInput');
-            const message = chatInput.value.trim();
-            if (!message || isSearching) return;
-
-            // 사용자 메시지 추가
-            addMessage(message, 'user');
-
-            // 입력창 초기화 및 비활성화
-            chatInput.value = '';
-            chatInput.style.height = 'auto';
-            disableChatInput();
-            isSearching = true;
-
-            // 로딩 표시
-            showTypingIndicator();
-            showCancelButton();
-
-            // 서버에 소켓으로 요청 (법규 타입 정보 포함)
-            const requestData = {
-                query: message,
-                regions: getSelectedRegions(),
-                searchEachMode: searchEachMode,
-                selectedRegulations: selectedRegulations.map(reg => {
-                    return {
-                        id: reg.id,
-                        title: reg.title,
-                        type: reg.type // 법규 타입 정보 추가
-                    };
-                })
-            };
-
-            console.log('전송 데이터:', requestData); // 디버깅용
-
-            // 소켓으로 검색 요청 전송
-            socket.emit('search_query', requestData);
-        }
-
-        function clearAllSelections() {
-            selectedRegulations = [];
-            document.querySelectorAll('.regulation-item').forEach(item => {
-                item.classList.remove('selected');
-            });
-            document.querySelectorAll('.regulation-detail-item').forEach(item => {
-                item.classList.remove('selected');
-            });
-            updateSelectedCount();
-            
-            // 검색창 초기화
-            const searchInput = document.getElementById('regulationSearchInput');
-            if (searchInput) {
-                searchInput.value = '';
-                filterRegulationList('');
-            }
-        }
-
-        function initializeRegulationSearch() {
-            const searchInput = document.getElementById('regulationSearchInput');
-            
-            // 기존 이벤트 리스너 제거 후 새로 추가
-            searchInput.removeEventListener('input', handleSearchInput);
-            searchInput.addEventListener('input', handleSearchInput);
-        }
-
-        function handleSearchInput() {
-            const searchTerm = this.value.toLowerCase().trim();
-            filterRegulationList(searchTerm);
-        }
-
-        function filterRegulationList(searchTerm) {
-            const detailItems = document.querySelectorAll('.regulation-detail-item');
-            
-            detailItems.forEach(item => {
-                const searchText = item.getAttribute('data-search-text') || '';
-                
-                if (searchTerm === '' || searchText.includes(searchTerm)) {
-                    item.classList.remove('hidden');
-                } else {
-                    item.classList.add('hidden');
-                }
-            });
-        }
-
-        function clearAllSelections() {
-            selectedRegulations = [];
-            document.querySelectorAll('.regulation-item').forEach(item => {
-                item.classList.remove('selected');
-            });
-            document.querySelectorAll('.regulation-detail-item').forEach(item => {
-                item.classList.remove('selected');
-            });
-            updateSelectedCount();
-            
-            // 검색창 초기화
-            const searchInput = document.getElementById('regulationSearchInput');
-            if (searchInput) {
-                searchInput.value = '';
-                filterRegulationList('');
-            }
-        }
-    </script>
-</body>
+<!DOCTYPE html>
+<html lang="ko">
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>LexiMind - 자동차 인증 법규를 더 쉽게</title>
+    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+    <script src="https://cdn.socket.io/4.7.2/socket.io.min.js"></script>
+    <style>
+        :root {
+            --primary-color: #0066FF;
+            --primary-hover: #4da8ff;
+            --bg-primary: #1a1a1a;
+            --bg-secondary: #2c2c2c;
+            --bg-tertiary: #333;
+            --bg-quaternary: #444;
+            --text-primary: #e0e0e0;
+            --text-secondary: #b0b0b0;
+            --text-muted: #888;
+            --border-color: #444;
+            --shadow: 0 2px 8px rgba(0,0,0,0.2);
+            --radius: 8px;
+            --success-color: #4caf50;
+            --warning-color: #ff9800;
+        }
+
+        * { box-sizing: border-box; }
+
+        body {
+            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
+            margin: 0; padding: 0;
+            background-color: var(--bg-primary);
+            color: var(--text-primary);
+            line-height: 1.6;
+        }
+
+        /* ===== 헤더 ===== */
+        .header {
+            background: var(--bg-secondary);
+            padding: 16px 24px;
+            box-shadow: var(--shadow);
+            display: flex; justify-content: space-between; align-items: center;
+            position: sticky; top: 0; z-index: 100;
+        }
+
+        .logo { 
+            font-size: 28px; font-weight: 700; color: var(--primary-color); letter-spacing: -0.5px; 
+        }
+        
+        .nav { 
+            display: flex; list-style: none; gap: 32px; margin: 0; padding: 0; 
+        }
+        
+        .nav a {
+            text-decoration: none; color: var(--text-secondary); font-weight: 500;
+            padding: 8px 12px; border-radius: var(--radius); transition: all 0.2s ease;
+        }
+
+        .nav a:hover { 
+            color: var(--primary-hover); background: rgba(77, 168, 255, 0.1); 
+        }
+
+        /* ===== 사이드바 컨트롤 ===== */
+        .sidebar-toggle {
+            position: fixed;
+            top: 100px;
+            left: 30px;
+            width: 40px;
+            height: 40px;
+            background: rgba(0, 102, 255, 0.7);
+            border: 1px solid rgba(255, 255, 255, 0.2);
+            border-radius: 50%;
+            cursor: pointer;
+            z-index: 1001;
+            transition: all 0.3s ease;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            backdrop-filter: blur(10px);
+            box-shadow: 0 8px 32px rgba(0, 102, 255, 0.3);
+        }
+
+        .sidebar-toggle:hover {
+            background: rgba(77, 168, 255, 0.8);
+            transform: scale(1.05);
+        }
+
+        .hamburger {
+            width: 15px;
+            height: 2px;
+            background: white;
+            position: relative;
+            transition: all 0.3s ease;
+            transform: translateX(-7px);
+        }
+
+        .hamburger::before,
+        .hamburger::after {
+            content: '';
+            position: absolute;
+            width: 15px;
+            height: 2px;
+            background: white;
+            transition: all 0.3s ease;
+        }
+
+        .hamburger::before { top: -6px; }
+        .hamburger::after { top: 6px; }
+
+        .sidebar-toggle.active .hamburger { background: transparent; }
+        .sidebar-toggle.active .hamburger::before { transform: rotate(45deg); top: 0; }
+        .sidebar-toggle.active .hamburger::after { transform: rotate(-45deg); top: 0; }
+
+        .new-page-btn {
+            position: fixed;
+            top: 100px;
+            left: 85px;
+            min-width: 120px;
+            height: 40px;
+            padding: 8px 16px;
+            background: rgba(255, 255, 255, 1);
+            border: 2px solid rgba(0, 102, 255, 0.2);
+            border-radius: 12px;
+            cursor: pointer;
+            z-index: 1001;
+            transition: all 0.3s ease;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            gap: 8px;
+            opacity: 0;
+            visibility: hidden;
+            transform: translateX(-20px);
+        }
+
+        .new-page-btn.show {
+            opacity: 1;
+            visibility: visible;
+            transform: translateX(0);
+        }
+
+        .new-page-btn:hover {
+            background: rgba(255, 255, 255, 0.8);
+            transform: translateY(-2px);
+        }
+
+        .plus-icon {
+            color: #0066FF;
+            font-size: 16px;
+            font-weight: 700;
+        }
+
+        /* ===== 사이드바 ===== */
+        .sidebar { 
+            position: fixed; top: 76px; left: -300px; width: 300px; 
+            height: calc(100vh - 76px); background: #2c2c2c; 
+            transition: left 0.3s ease; z-index: 1000; overflow-y: auto; 
+        }
+        .sidebar.open { left: 0; }
+        
+        .sidebar-content {
+            padding: 75px 30px 30px 30px;
+        }
+
+        .sidebar-overlay { 
+            position: fixed; top: 76px; left: 0; width: 100%; 
+            height: calc(100vh - 76px); background: rgba(0, 0, 0, 0.5); 
+            opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 999; 
+        }
+        .sidebar-overlay.active { opacity: 1; visibility: visible; }
+
+        .date-ranges {
+            display: flex;
+            flex-direction: column;
+            gap: 12px;
+        }
+
+        .date-range-item {
+            display: block;
+            padding: 16px;
+            background: var(--bg-tertiary);
+            border: 2px solid transparent;
+            border-radius: var(--radius);
+            text-decoration: none;
+            color: var(--text-primary);
+            transition: all 0.3s ease;
+        }
+
+        .date-range-item:hover {
+            background: var(--bg-quaternary);
+            border-color: var(--primary-color);
+            transform: translateY(-2px);
+        }
+
+        .date-period {
+            display: block;
+            font-weight: 600;
+            font-size: 14px;
+            color: var(--primary-color);
+            margin-bottom: 4px;
+        }
+
+        .date-count {
+            display: block;
+            font-size: 12px;
+            color: var(--text-muted);
+        }
+
+        /* ===== 메인 레이아웃 ===== */
+        .main {
+            display: flex;
+            height: calc(100vh - 76px);
+            max-width: 100%;
+            margin: 0;
+            padding: 0;
+        }
+
+        /* ===== 필터 패널 ===== */
+        .filter-panel { 
+            width: 350px; 
+            background: var(--bg-secondary); 
+            border-right: 1px solid var(--border-color); 
+            display: flex; 
+            flex-direction: column; 
+            overflow: hidden;
+        }
+        
+        .filter-header { 
+            padding: 100px 20px 20px 20px; 
+            border-bottom: 1px solid var(--border-color); 
+            background: var(--bg-tertiary); 
+        }
+        .filter-title { 
+            font-size: 20px; 
+            font-weight: 700; 
+            color: var(--text-primary); 
+            margin: 0 0 16px 0; 
+        }
+        
+        /* 지역 선택 토글 */
+        .toggle-group { margin-bottom: 24px; }
+        .toggle-label { 
+            display: block; 
+            font-size: 14px; 
+            font-weight: 600; 
+            color: var(--text-secondary); 
+            margin-bottom: 12px; 
+        }
+        .toggle-options {
+            display: flex;
+            gap: 8px;
+            flex-wrap: wrap;
+        }
+        .toggle-btn { 
+            padding: 8px 16px; 
+            background: var(--bg-quaternary); 
+            border: 2px solid transparent; 
+            border-radius: 20px; 
+            color: var(--text-secondary); 
+            cursor: pointer; 
+            transition: all 0.2s ease; 
+            font-size: 13px; 
+            font-weight: 500; 
+        }
+        .toggle-btn:hover { 
+            background: #3a3a3a; 
+            color: var(--text-primary); 
+        }
+        .toggle-btn.active { 
+            background: var(--primary-color); 
+            border-color: var(--primary-hover); 
+            color: white; 
+        }
+
+        /* 법규 목록 스타일 */
+        .regulation-list-container { 
+            border-bottom: 1px solid var(--border-color);
+            padding: 24px;
+            max-height: 250px;
+            overflow-y: auto;
+        }
+
+        .regulation-header {
+            display: flex;
+            justify-content: space-between;
+            align-items: center;
+            margin-bottom: 12px;
+        }
+
+        .selected-count {
+            font-size: 12px;
+            color: var(--primary-color);
+            background: rgba(77, 168, 255, 0.1);
+            padding: 4px 8px;
+            border-radius: 4px;
+        }
+
+        .regulation-item {
+            padding: 12px; 
+            margin: 8px 0; 
+            background: var(--bg-quaternary); 
+            border-radius: var(--radius);
+            cursor: pointer; 
+            transition: all 0.2s ease; 
+            border: 2px solid transparent; 
+            user-select: none;
+        }
+        .regulation-item:hover { 
+            background: #3a3a3a; 
+            border-color: var(--primary-color); 
+        }
+        .regulation-item.selected { 
+            background: var(--primary-color); 
+            color: white; 
+            border-color: var(--primary-hover); 
+        }
+
+        /* ===== 상세 법규 리스트 ===== */
+        .regulation-details-container {
+            flex: 1; 
+            display: flex; 
+            flex-direction: column; 
+            overflow: hidden;
+        }
+        .regulation-details-header { 
+            display: flex; 
+            justify-content: space-between; 
+            align-items: center; 
+            padding: 16px 24px; 
+            border-bottom: 1px solid var(--border-color); 
+        }
+
+        .btn {
+            padding: 8px 16px;
+            border: none;
+            border-radius: var(--radius);
+            background: var(--primary-color);
+            color: white;
+            cursor: pointer;
+            font-size: 13px;
+            font-weight: 600;
+            transition: all 0.2s ease;
+        }
+
+        .btn:hover {
+            background: var(--primary-hover);
+            transform: translateY(-1px);
+        }
+
+        .btn-small {
+            padding: 6px 12px;
+            font-size: 12px;
+        }
+
+        .btn-load {
+            background: var(--success-color);
+        }
+
+        .btn-load:hover {
+            background: #45a049;
+        }
+
+        .btn-secondary {
+            background: var(--bg-quaternary);
+        }
+
+        .btn-secondary:hover {
+            background: #555;
+        }
+
+        .btn-danger {
+            background: #ff4757;
+        }
+
+        .btn-danger:hover {
+            background: #ff3838;
+        }
+
+        .regulation-search { 
+            padding: 12px 24px; 
+            background: var(--bg-tertiary); 
+            border-bottom: 1px solid var(--border-color); 
+        }
+        .regulation-search-input { 
+            width: 100%; 
+            padding: 8px 12px; 
+            border: 1px solid var(--border-color); 
+            border-radius: var(--radius); 
+            background: var(--bg-quaternary); 
+            color: var(--text-primary); 
+            font-size: 13px; 
+            transition: border-color 0.2s ease; 
+        }
+        .regulation-search-input:focus { 
+            outline: none; 
+            border-color: var(--primary-color); 
+        }
+        .regulation-search-input::placeholder { 
+            color: var(--text-muted); 
+        }
+        .regulation-details-list { 
+            flex: 1; 
+            overflow-y: auto; 
+            padding: 12px 24px; 
+        }
+        .regulation-detail-item { 
+            padding: 10px 12px; 
+            margin: 6px 0; 
+            background: var(--bg-quaternary); 
+            border-radius: var(--radius); 
+            cursor: pointer; 
+            transition: all 0.2s ease; 
+            border: 2px solid transparent; 
+            user-select: none; 
+            font-size: 13px; 
+            line-height: 1.4; 
+        }
+        .regulation-detail-item:hover { 
+            background: #3a3a3a; 
+            border-color: var(--primary-color); 
+        }
+        .regulation-detail-item.selected { 
+            background: var(--primary-color); 
+            color: white; 
+            border-color: var(--primary-hover); 
+        }
+        .regulation-detail-item.hidden {
+            display: none;
+        }
+
+        .action-buttons {
+            display: flex;
+            gap: 12px;
+            padding: 16px 24px;
+            border-top: 1px solid var(--border-color);
+            background: var(--bg-secondary);
+        }
+
+        /* ===== 채팅 패널 ===== */
+        .chat-panel { 
+            flex: 1; 
+            display: flex; 
+            flex-direction: column; 
+            background: var(--bg-primary); 
+        }
+        .chat-header { 
+            padding: 20px 24px; 
+            background: var(--bg-secondary); 
+            border-bottom: 1px solid var(--border-color); 
+        }
+        .chat-title { 
+            font-size: 18px; 
+            font-weight: 600; 
+            color: var(--text-primary); 
+            margin: 0; 
+            display: flex; 
+            align-items: baseline; 
+            gap: 10px; 
+        }
+        .title-subtitle { 
+            font-size: 14px; 
+            font-weight: 400; 
+            color: var(--text-muted); 
+        }
+
+        .status-text {
+            margin-top: 12px;
+            padding: 16px 20px;
+            background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-quaternary) 100%);
+            border: 2px solid var(--border-color);
+            border-radius: 12px;
+            font-size: 16px;
+            font-weight: 600;
+            color: var(--primary-color);
+            position: relative;
+            box-shadow: 0 4px 12px rgba(0, 102, 255, 0.15);
+            min-height: 60px;
+            display: flex;
+            align-items: center;
+            transition: all 0.3s ease;
+        }
+
+        .status-text:hover {
+            border-color: var(--primary-color);
+            box-shadow: 0 6px 20px rgba(0, 102, 255, 0.25);
+        }
+
+
+        /* 수정된 progress-bar 스타일 - 더 두껍게 */
+        .progress-bar {
+            position: absolute;
+            bottom: 0;
+            left: 0;
+            height: 6px;
+            background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
+            border-radius: 0 0 10px 10px;
+            transition: width 0.3s ease;
+            width: 0%;
+            box-shadow: 0 2px 8px rgba(0, 102, 255, 0.4);
+        }
+
+        .cancel-search-btn {
+            position: absolute;
+            right: 16px;
+            top: 50%;
+            transform: translateY(-50%);
+            padding: 8px 16px;
+            font-size: 13px;
+            font-weight: 600;
+            background: var(--warning-color);
+            border: 2px solid transparent;
+            border-radius: 8px;
+            color: white;
+            cursor: pointer;
+            display: none;
+            transition: all 0.3s ease;
+            box-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
+        }
+
+        .cancel-search-btn:hover {
+            background: #e68900;
+            border-color: #ff9800;
+            transform: translateY(-50%) scale(1.05);
+            box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
+        }
+
+        .cancel-search-btn:active {
+            transform: translateY(-50%) scale(0.95);
+        }
+
+        .chat-messages { 
+            flex: 1; 
+            overflow-y: auto; 
+            padding: 24px; 
+            display: flex; 
+            flex-direction: column; 
+            gap: 16px; 
+        }
+
+        /* 메시지 버블 */
+        .message { 
+            display: flex; 
+            gap: 12px; 
+            max-width: 80%; 
+            animation: slideIn 0.3s ease; 
+        }
+        @keyframes slideIn { 
+            from { opacity: 0; transform: translateY(10px); } 
+            to { opacity: 1; transform: translateY(0); } 
+        }
+        .message.user { 
+            align-self: flex-end; 
+            flex-direction: row-reverse; 
+        }
+        .message.assistant { 
+            align-self: flex-start; 
+        }
+        .message-avatar { 
+            width: 36px; 
+            height: 36px; 
+            border-radius: 50%; 
+            background: var(--primary-color); 
+            display: flex; 
+            align-items: center; 
+            justify-content: center; 
+            color: white; 
+            font-weight: 700; 
+            font-size: 14px; 
+            flex-shrink: 0; 
+        }
+        .message.user .message-avatar { 
+            background: var(--success-color); 
+        }
+        .message-content { 
+            background: var(--bg-secondary); 
+            padding: 12px 16px; 
+            border-radius: 16px; 
+            color: var(--text-primary); 
+            line-height: 1.5; 
+            word-wrap: break-word; 
+        }
+        .message.user .message-content { 
+            background: var(--primary-color); 
+            color: white; 
+        }
+        .message-time { 
+            font-size: 11px; 
+            color: var(--text-muted); 
+            margin-top: 4px; 
+        }
+
+        /* 메시지 콘텐츠 내 HTML 스타일링 */
+        .message-content h1,
+        .message-content h2 {
+            color: var(--primary-color);
+            margin: 12px 0 8px 0;
+            font-weight: 600;
+        }
+
+        .message-content h1 { font-size: 18px; }
+        .message-content h2 { 
+            font-size: 16px; 
+            border-bottom: 1px solid var(--border-color);
+            padding-bottom: 4px;
+        }
+
+        .message-content ul,
+        .message-content ol {
+            margin: 8px 0;
+            padding-left: 20px;
+        }
+
+        .message-content li {
+            margin: 4px 0;
+            line-height: 1.4;
+        }
+
+        .message-content strong {
+            color: var(--primary-color);
+        }
+
+        .message-content p {
+            margin: 8px 0;
+            line-height: 1.5;
+        }
+
+        .message.user .message-content h1,
+        .message.user .message-content h2,
+        .message.user .message-content strong {
+            color: white;
+        }
+
+        /* 채팅 입력 영역 */
+        .chat-input-container { 
+            padding: 20px 24px; 
+            background: var(--bg-secondary); 
+            border-top: 1px solid var(--border-color); 
+        }
+        .chat-input-wrapper { 
+            display: flex; 
+            gap: 12px; 
+            align-items: flex-end; 
+        }
+        .chat-input { 
+            flex: 1; 
+            padding: 12px 16px; 
+            background: var(--bg-tertiary); 
+            border: 2px solid var(--border-color); 
+            border-radius: 24px; 
+            color: var(--text-primary); 
+            font-size: 14px; 
+            resize: none; 
+            max-height: 120px; 
+            min-height: 44px; 
+            font-family: inherit; 
+            transition: border-color 0.2s ease; 
+        }
+        .chat-input:focus { 
+            outline: none; 
+            border-color: var(--primary-color); 
+        }
+        .chat-input::placeholder { 
+            color: var(--text-muted); 
+        }
+        .send-btn { 
+            width: 44px; 
+            height: 44px; 
+            border-radius: 50%; 
+            background: var(--primary-color); 
+            border: none; 
+            color: white; 
+            cursor: pointer; 
+            display: flex; 
+            align-items: center; 
+            justify-content: center; 
+            transition: all 0.2s ease; 
+            flex-shrink: 0; 
+        }
+        .send-btn:hover { 
+            background: var(--primary-hover); 
+            transform: scale(1.05); 
+        }
+        .send-btn:active { 
+            transform: scale(0.95); 
+        }
+        .send-btn:disabled { 
+            background: var(--bg-quaternary); 
+            cursor: not-allowed; 
+            transform: none; 
+        }
+
+        /* 로딩 인디케이터 */
+        .typing-indicator { 
+            display: flex; 
+            gap: 4px; 
+            padding: 12px 16px; 
+            background: var(--bg-secondary); 
+            border-radius: 16px; 
+            width: fit-content; 
+        }
+        .typing-dot { 
+            width: 8px; 
+            height: 8px; 
+            border-radius: 50%; 
+            background: var(--text-muted); 
+            animation: typing 1.4s infinite; 
+        }
+        .typing-dot:nth-child(2) { animation-delay: 0.2s; }
+        .typing-dot:nth-child(3) { animation-delay: 0.4s; }
+
+        @keyframes typing { 
+            0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 
+            30% { opacity: 1; transform: translateY(-10px); } 
+        }
+
+        /* 스크롤바 스타일 */
+        .chat-messages::-webkit-scrollbar,
+        .filter-panel::-webkit-scrollbar,
+        .regulation-list-container::-webkit-scrollbar,
+        .regulation-details-list::-webkit-scrollbar {
+            width: 8px;
+        }
+
+        .chat-messages::-webkit-scrollbar-track,
+        .filter-panel::-webkit-scrollbar-track,
+        .regulation-list-container::-webkit-scrollbar-track,
+        .regulation-details-list::-webkit-scrollbar-track {
+            background: var(--bg-tertiary);
+        }
+
+        .chat-messages::-webkit-scrollbar-thumb,
+        .filter-panel::-webkit-scrollbar-thumb,
+        .regulation-list-container::-webkit-scrollbar-thumb,
+        .regulation-details-list::-webkit-scrollbar-thumb {
+            background: var(--bg-quaternary);
+            border-radius: 4px;
+        }
+
+        .chat-messages::-webkit-scrollbar-thumb:hover,
+        .filter-panel::-webkit-scrollbar-thumb:hover,
+        .regulation-list-container::-webkit-scrollbar-thumb:hover,
+        .regulation-details-list::-webkit-scrollbar-thumb:hover {
+            background: #555;
+        }
+
+        .search-mode-group {
+            margin-bottom: 20px;
+            padding: 16px;
+            background: var(--bg-quaternary);
+            border-radius: var(--radius);
+            border: 1px solid var(--border-color);
+        }
+
+        .search-mode-toggle {
+            position: relative;
+            display: inline-block;
+            width: 60px;
+            height: 34px;
+        }
+
+        .search-mode-toggle input {
+            opacity: 0;
+            width: 0;
+            height: 0;
+        }
+
+        .slider {
+            position: absolute;
+            cursor: pointer;
+            top: 0;
+            left: 0;
+            right: 0;
+            bottom: 0;
+            background-color: var(--bg-tertiary);
+            transition: 0.4s;
+            border-radius: 34px;
+            border: 2px solid var(--border-color);
+        }
+
+        .slider:before {
+            position: absolute;
+            content: "";
+            height: 24px;
+            width: 24px;
+            left: 3px;
+            bottom: 3px;
+            background-color: var(--text-secondary);
+            transition: 0.4s;
+            border-radius: 50%;
+        }
+
+        input:checked + .slider {
+            background-color: var(--primary-color);
+            border-color: var(--primary-hover);
+        }
+
+        input:checked + .slider:before {
+            transform: translateX(24px);
+            background-color: white;
+        }
+
+        .search-mode-label {
+            display: flex;
+            align-items: center;
+            gap: 12px;
+            margin-bottom: 8px;
+            color: var(--text-secondary);
+            font-weight: 600;
+            font-size: 14px;
+        }
+
+        .search-mode-description {
+            font-size: 12px;
+            color: var(--text-muted);
+            line-height: 1.4;
+            margin-top: 8px;
+        }
+
+        .mode-indicator {
+            font-size: 13px;
+            font-weight: 600;
+            color: var(--primary-color);
+        }
+
+        .regulation-type-tabs {
+            display: flex;
+            background: var(--bg-tertiary);
+            border-bottom: 1px solid var(--border-color);
+            padding: 8px 12px;
+            gap: 4px;
+        }
+
+        .type-tab {
+            padding: 8px 16px;
+            background: var(--bg-quaternary);
+            border: 1px solid var(--border-color);
+            border-radius: var(--radius);
+            color: var(--text-secondary);
+            cursor: pointer;
+            font-size: 12px;
+            font-weight: 600;
+            transition: all 0.2s ease;
+            flex: 1;
+            text-align: center;
+        }
+
+        .type-tab:hover {
+            background: var(--bg-tertiary);
+            color: var(--text-primary);
+        }
+
+        .type-tab.active {
+            background: var(--primary-color);
+            border-color: var(--primary-hover);
+            color: white;
+        }
+
+        /* 기존 스타일에 타입별 구분을 위한 스타일 추가 */
+        .regulation-detail-item[data-type="part"]::before {
+            content: "[P] ";
+            color: var(--primary-color);
+            font-weight: 700;
+            font-size: 11px;
+        }
+
+        .regulation-detail-item[data-type="section"]::before {
+            content: "[S] ";
+            color: var(--success-color);
+            font-weight: 700;
+            font-size: 11px;
+        }
+
+        .regulation-detail-item[data-type="chapter"]::before {
+            content: "[C] ";
+            color: var(--warning-color);
+            font-weight: 700;
+            font-size: 11px;
+        }
+
+        .regulation-detail-item[data-type="jo"]::before {
+            content: "[조] ";
+            color: #ff6b6b;
+            font-weight: 700;
+            font-size: 11px;
+        }
+
+
+
+    </style>
+</head>
+
+<body>
+    <header class="header">
+        <div class="logo">LexiMind</div>
+        <nav>
+            <ul class="nav">
+                <li><a href="#">법규 검색</a></li>
+                <li><a href="#">체크리스트 생성</a></li>
+                <li><a href="#">유권해석</a></li>
+                <li><a href="#">사용문의</a></li>
+            </ul>
+        </nav>
+    </header>
+
+    <!-- 햄버거 버튼 -->
+    <button class="sidebar-toggle" id="sidebarToggle">
+        <span class="hamburger"></span>
+    </button>
+
+    <!-- 새 페이지 버튼 -->
+    <button class="new-page-btn" id="newPageBtn">
+        <span class="plus-icon">+ 새 대화 생성</span>
+    </button>
+
+    <!-- 사이드바 오버레이 -->
+    <div class="sidebar-overlay" id="sidebarOverlay"></div>
+
+    <!-- 사이드바 -->
+    <nav class="sidebar" id="sidebar">
+        <div class="sidebar-content">
+            <h3>과거 이력</h3>
+            <div class="date-ranges">
+                <a href="/history/202511" class="date-range-item">
+                    <span class="date-period">2025.11.01 ~ 2025.11.30</span>
+                    <span class="date-count">검색 15건</span>
+                </a>
+                <a href="/history/202510" class="date-range-item">
+                    <span class="date-period">2025.10.01 ~ 2025.10.31</span>
+                    <span class="date-count">검색 8건</span>
+                </a>
+                <a href="/history/202509" class="date-range-item">
+                    <span class="date-period">2025.09.01 ~ 2025.09.30</span>
+                    <span class="date-count">검색 12건</span>
+                </a>
+            </div>
+        </div>
+    </nav>
+
+    <main class="main">
+        <!-- 필터 패널 -->
+        <aside class="filter-panel">
+            <div class="filter-header">
+                <h2 class="filter-title">검색 필터</h2>
+                <div class="toggle-group">
+                    <span class="toggle-label">지역</span>
+                    <div class="toggle-options">
+                        <button class="toggle-btn region-toggle" data-value="국내">국내</button>
+                        <button class="toggle-btn region-toggle" data-value="북미">북미</button>
+                        <button class="toggle-btn region-toggle" data-value="유럽">유럽</button>
+                        <button class="toggle-btn region-toggle active" data-value="전체">전체</button>
+                    </div>
+                </div>
+
+                <!-- 검색 모드 토글 추가 -->
+                <div class="search-mode-group">
+                    <div class="search-mode-label">
+                        <span>선택된 법규 각각에서 검색하기</span>
+                        <label class="search-mode-toggle">
+                            <input type="checkbox" id="searchEachModeToggle" checked>
+                            <span class="slider"></span>
+                        </label>
+                    </div>
+                    <div class="mode-indicator" id="searchModeIndicator">각각 검색 모드</div>
+                    <div class="search-mode-description" id="searchModeDescription">
+                        선택된 각 법규별로 개별 검색을 수행하고 결과를 따로 표시합니다.
+                    </div>
+                </div>
+            </div>
+
+            <!-- 상세 법규 리스트 -->
+            <div class="regulation-details-container">
+                <div class="regulation-details-header">
+                    <span class="toggle-label">상세 법규 리스트</span>
+                    <button class="btn btn-load btn-small" onclick="loadDetailedRegulationList()">리스트 불러오기</button>
+                </div>
+                
+                <!-- 법규 타입 선택 탭 추가 -->
+                <div class="regulation-type-tabs" id="regulationTypeTabs" style="display: none;">
+                    <button class="type-tab active" data-type="part">Part</button>
+                    <button class="type-tab" data-type="section">Section</button>
+                    <button class="type-tab" data-type="chapter">Chapter</button>
+                    <button class="type-tab" data-type="jo">조</button>
+                </div>
+                
+                <div class="regulation-search" id="regulationSearchContainer" style="display: none;">
+                    <input type="text" id="regulationSearchInput" class="regulation-search-input" placeholder="법규 검색...">
+                </div>
+                <div class="regulation-details-list" id="regulationDetailsList">
+                    <p style="color: var(--text-muted); padding: 20px; text-align: center; margin: 0;">
+                        리스트 불러오기를 눌러 상세 법규를 확인하세요.
+                    </p>
+                </div>
+            </div>
+
+            <div class="action-buttons">
+                <button class="btn btn-secondary" onclick="clearAllSelections()">선택 초기화</button>
+            </div>
+        </aside>
+
+        <!-- 채팅 패널 -->
+        <section class="chat-panel">
+            <div class="chat-header">
+                <h1 class="chat-title">자동차 인증 법규 검색
+                    <span class="title-subtitle">&nbsp&nbsp관련 법규 내용을 검색으로 편리하게 찾아보세요! ※ 모든 결과물은 AI에 의해 생성된 것으로 오류가 있을 수 있습니다</span>
+                </h1>
+                <div id="statusText" class="status-text">
+                    시스템 준비 중...
+                    <div class="progress-bar" id="progressBar"></div>
+                    <button class="cancel-search-btn" id="cancelSearchBtn" onclick="cancelSearch()">취소</button>
+                </div>
+            </div>
+
+            <div class="chat-messages" id="chatMessages">
+                <div class="message assistant">
+                    <div class="message-avatar">Lexi</div>
+                    <div>
+                        <div class="message-content">
+                            안녕하세요! 자동차 인증 법규 검색 도우미입니다.<br>
+                            궁금하신 법규 내용을 검색해보세요.<br><br>
+                            (ex : ISA의 작동 요건을 알려주고, 표로 정리해줘)
+                        </div>
+                        <div class="message-time" id="welcomeTime"></div>
+                    </div>
+                </div>
+            </div>
+
+            <!-- 채팅 입력 영역 -->
+            <div class="chat-input-container">
+                <div class="chat-input-wrapper">
+                    <textarea 
+                        id="chatInput" 
+                        class="chat-input" 
+                        placeholder="검색하고 싶은 내용을 입력하세요..."
+                        rows="1"
+                    ></textarea>
+                    <button class="send-btn" id="sendBtn" title="전송">
+                        <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                            <path d="M22 2L11 13M22 2l-7 20-4-9-9-4 20-7z"/>
+                        </svg>
+                    </button>
+                </div>
+            </div>
+        </section>
+    </main>
+
+    <script>
+        // ===== 전역 변수 =====
+        let selectedRegulations = [];
+        let selectedRegions = [];
+        let socket;
+        let currentSessionId = null;
+        let isSearching = false;
+        let searchEachMode = false;
+        let regulationData = {}; // 모든 법규 데이터 저장
+        let currentRegulationType = 'part'; // 현재 선택된 법규 타입
+
+        // ===== 초기화 =====
+        document.addEventListener('DOMContentLoaded', function() {
+            initializeSocket();
+            initializeSidebar();
+            initializeToggles();
+            initializeChat();
+            initializeRegulationList();
+            initializeSearchModeToggle();
+            initializeRegulationTypeTabs(); // 탭 초기화 추가
+            setWelcomeTime();
+            updateSelectedCount();
+        });
+
+        // ===== 법규 타입 탭 초기화 =====
+        function initializeRegulationTypeTabs() {
+            const tabs = document.querySelectorAll('.type-tab');
+            tabs.forEach(tab => {
+                tab.addEventListener('click', function() {
+                    const type = this.getAttribute('data-type');
+                    switchRegulationType(type);
+                });
+            });
+        }
+
+        function switchRegulationType(type) {
+            currentRegulationType = type;
+            
+            // 탭 활성화 상태 변경
+            document.querySelectorAll('.type-tab').forEach(tab => {
+                tab.classList.remove('active');
+            });
+            document.querySelector(`.type-tab[data-type="${type}"]`).classList.add('active');
+            
+            // 해당 타입의 데이터 표시
+            if (regulationData[`reg_list_${type}`]) {
+                displayDetailedRegulationList(regulationData[`reg_list_${type}`], type);
+            }
+            
+            console.log('법규 타입 변경:', type);
+        }
+
+        // ===== 검색 모드 토글 초기화 =====
+        function initializeSearchModeToggle() {
+            const searchModeToggle = document.getElementById('searchEachModeToggle');
+            const modeIndicator = document.getElementById('searchModeIndicator');
+            const modeDescription = document.getElementById('searchModeDescription');
+
+            searchModeToggle.addEventListener('change', function() {
+                searchEachMode = this.checked;
+                updateSearchModeDisplay();
+            });
+
+            updateSearchModeDisplay(); // 초기 상태 설정
+        }
+
+        function updateSearchModeDisplay() {
+            const modeIndicator = document.getElementById('searchModeIndicator');
+            const modeDescription = document.getElementById('searchModeDescription');
+
+            if (searchEachMode) {
+                modeIndicator.textContent = '각각 검색 모드';
+                modeDescription.textContent = '선택된 각 법규별로 개별 검색을 수행하고 결과를 따로 표시합니다.';
+            } else {
+                modeIndicator.textContent = '통합 검색 모드';
+                modeDescription.textContent = '선택된 모든 법규를 통합하여 한 번에 검색하고 결과를 종합하여 표시합니다.';
+            }
+
+            console.log('검색 모드 변경:', searchEachMode ? '각각 검색' : '통합 검색');
+        }
+
+        // 환영 메시지 시간 설정
+        function setWelcomeTime() {
+            const timeElement = document.getElementById('welcomeTime');
+            if (timeElement) {
+                const now = new Date();
+                timeElement.textContent = formatTime(now);
+            }
+        }
+
+        // 시간 포맷팅
+        function formatTime(date) {
+            const hours = date.getHours().toString().padStart(2, '0');
+            const minutes = date.getMinutes().toString().padStart(2, '0');
+            return `${hours}:${minutes}`;
+        }
+
+        // ===== Socket.IO 초기화 =====
+        function initializeSocket() {
+            socket = io();
+            
+            // 기존 시스템 메시지
+            socket.on('message', function(data) {
+                updateSearchStatus(data.message);
+            });
+
+            // 검색 시작 - session_id 받기 (추가됨)
+            socket.on('search_started', function(data) {
+                currentSessionId = data.session_id;
+                console.log('Search started with session ID:', currentSessionId);
+            });
+
+            // 검색 상태 업데이트
+            socket.on('search_status', function(data) {
+                updateSearchStatus(data.message);
+                if (data.progress !== undefined) {
+                    updateProgressBar(data.progress);
+                }
+            });
+
+            // 법규별 결과 수신 (여러 법규 선택 시)
+            socket.on('regulation_result', function(data) {
+                const message = `**${data.regulation_title} (${data.regulation_index}/${data.total_regulations})**\n\n${data.result}`;
+                addMessage(message, 'assistant');
+            });
+
+            // 단일 검색 결과 수신
+            socket.on('search_result', function(data) {
+                addMessage(data.result, 'assistant');
+            });
+
+            // 검색 완료
+            socket.on('search_complete', function(data) {
+                hideTypingIndicator();
+                updateSearchStatus(data.message);
+                enableChatInput();
+                hideCancelButton();
+                isSearching = false;
+                currentSessionId = null; // 세션 ID 초기화
+            });
+
+            // 검색 오류
+            socket.on('search_error', function(data) {
+                hideTypingIndicator();
+                addMessage(`죄송합니다. ${data.message}\n오류 내용: ${data.error}`, 'assistant');
+                enableChatInput();
+                hideCancelButton();
+                isSearching = false;
+                currentSessionId = null; // 세션 ID 초기화
+            });
+
+            // 검색 취소
+            socket.on('search_cancelled', function(data) {
+                hideTypingIndicator();
+                addMessage('검색이 취소되었습니다.', 'assistant');
+                enableChatInput();
+                hideCancelButton();
+                isSearching = false;
+                currentSessionId = null; // 세션 ID 초기화
+            });
+        }
+
+        function updateSearchStatus(message) {
+            const statusElement = document.getElementById('statusText');
+            if (statusElement) {
+                // 첫 번째 텍스트 노드 업데이트
+                const textNode = statusElement.childNodes[0];
+                if (textNode && textNode.nodeType === Node.TEXT_NODE) {
+                    textNode.textContent = message;
+                } else {
+                    // 텍스트 노드가 없으면 새로 생성
+                    statusElement.insertBefore(document.createTextNode(message), statusElement.firstChild);
+                }
+            }
+        }
+
+        function updateProgressBar(progress) {
+            const progressBar = document.getElementById('progressBar');
+            if (progressBar) {
+                progressBar.style.width = `${progress}%`;
+            }
+        }
+
+        function showCancelButton() {
+            const cancelBtn = document.getElementById('cancelSearchBtn');
+            if (cancelBtn) {
+                cancelBtn.style.display = 'block';
+                console.log('Cancel button shown');
+            }
+        }
+
+        function hideCancelButton() {
+            const cancelBtn = document.getElementById('cancelSearchBtn');
+            if (cancelBtn) {
+                cancelBtn.style.display = 'none';
+                console.log('Cancel button hidden');
+            }
+            updateProgressBar(0);
+        }
+
+        function enableChatInput() {
+            const chatInput = document.getElementById('chatInput');
+            const sendBtn = document.getElementById('sendBtn');
+            
+            chatInput.disabled = false;
+            sendBtn.disabled = false;
+            chatInput.placeholder = '검색하고 싶은 내용을 입력하세요...';
+        }
+
+        function disableChatInput() {
+            const chatInput = document.getElementById('chatInput');
+            const sendBtn = document.getElementById('sendBtn');
+            
+            chatInput.disabled = true;
+            sendBtn.disabled = true;
+            chatInput.placeholder = '검색 진행 중...';
+        }
+
+        // ===== 사이드바 초기화 =====
+        function initializeSidebar() {
+            const sidebarToggle = document.getElementById('sidebarToggle');
+            const sidebar = document.getElementById('sidebar');
+            const sidebarOverlay = document.getElementById('sidebarOverlay');
+            const newPageBtn = document.getElementById('newPageBtn');
+
+            sidebarToggle.addEventListener('click', function() {
+                const isOpen = sidebar.classList.contains('open');
+                if (isOpen) {
+                    closeSidebar();
+                } else {
+                    openSidebar();
+                }
+            });
+
+            sidebarOverlay.addEventListener('click', closeSidebar);
+
+            document.addEventListener('keydown', function(e) {
+                if (e.key === 'Escape') {
+                    closeSidebar();
+                }
+            });
+
+            if (newPageBtn) {
+                newPageBtn.addEventListener('click', function() {
+                    window.open('/', '_blank');
+                });
+            }
+        }
+
+        function openSidebar() {
+            const sidebar = document.getElementById('sidebar');
+            const sidebarToggle = document.getElementById('sidebarToggle');
+            const sidebarOverlay = document.getElementById('sidebarOverlay');
+            const newPageBtn = document.getElementById('newPageBtn');
+
+            sidebar.classList.add('open');
+            sidebarToggle.classList.add('active');
+            sidebarOverlay.classList.add('active');
+            if (newPageBtn) newPageBtn.classList.add('show');
+        }
+
+        function closeSidebar() {
+            const sidebar = document.getElementById('sidebar');
+            const sidebarToggle = document.getElementById('sidebarToggle');
+            const sidebarOverlay = document.getElementById('sidebarOverlay');
+            const newPageBtn = document.getElementById('newPageBtn');
+
+            sidebar.classList.remove('open');
+            sidebarToggle.classList.remove('active');
+            sidebarOverlay.classList.remove('active');
+            if (newPageBtn) newPageBtn.classList.remove('show');
+        }
+
+        // ===== 토글 버튼 초기화 =====
+        function initializeToggles() {
+            document.querySelectorAll('.region-toggle').forEach(btn => {
+                btn.addEventListener('click', function() {
+                    handleRegionToggle(this);
+                });
+            });
+        }
+
+        function handleRegionToggle(clickedBtn) {
+            const value = clickedBtn.getAttribute('data-value');
+            const allButtons = document.querySelectorAll('.region-toggle');
+
+            if (value === '전체') {
+                // 전체 선택 - 다른 모든 버튼 비활성화
+                allButtons.forEach(btn => btn.classList.remove('active'));
+                clickedBtn.classList.add('active');
+                selectedRegions.length = 0;
+            } else {
+                // 개별 선택 - 전체 버튼 비활성화
+                const allBtn = document.querySelector('.region-toggle[data-value="전체"]');
+                if (allBtn) allBtn.classList.remove('active');
+
+                clickedBtn.classList.toggle('active');
+
+                if (clickedBtn.classList.contains('active')) {
+                    if (!selectedRegions.includes(value)) {
+                        selectedRegions.push(value);
+                    }
+                } else {
+                    selectedRegions = selectedRegions.filter(region => region !== value);
+                }
+
+                // 아무것도 선택되지 않았으면 전체 활성화
+                if (selectedRegions.length === 0 && allBtn) {
+                    allBtn.classList.add('active');
+                }
+            }
+            
+            console.log('선택된 지역:', selectedRegions);
+        }
+
+        function getSelectedRegions() {
+            return selectedRegions.length > 0 ? selectedRegions : [];
+        }
+
+        // ===== 법규 리스트 초기화 =====
+        function initializeRegulationList() {
+            // 이미 상세 법규 리스트에서 처리되므로 여기서는 빈 함수로 유지
+        }
+
+        function toggleRegulationSelection(element) {
+            const id = element.getAttribute('data-id');
+            if (selectedRegulations.includes(id)) {
+                selectedRegulations = selectedRegulations.filter(item => item !== id);
+                element.classList.remove('selected');
+            } else {
+                selectedRegulations.push(id);
+                element.classList.add('selected');
+            }
+            updateSelectedCount();
+        }
+
+        function updateSelectedCount() {
+            const countElement = document.getElementById('selectedCount');
+            if (countElement) {
+                countElement.textContent = `선택됨: ${selectedRegulations.length}`;
+            }
+        }
+
+        // ===== 채팅 초기화 (수정된 버전) =====
+        function initializeChat() {
+            const chatInput = document.getElementById('chatInput');
+            const sendBtn = document.getElementById('sendBtn');
+
+            // 자동 높이 조절
+            chatInput.addEventListener('input', function() {
+                this.style.height = 'auto';
+                this.style.height = Math.min(this.scrollHeight, 120) + 'px';
+            });
+
+            // Enter 키로 전송
+            chatInput.addEventListener('keydown', function(e) {
+                if (e.key === 'Enter' && !e.shiftKey && !isSearching) {
+                    e.preventDefault();
+                    sendMessage();
+                }
+            });
+
+            // 전송 버튼 클릭
+            sendBtn.addEventListener('click', function() {
+                if (!isSearching) {
+                    sendMessage();
+                }
+            });
+        }
+
+        // ===== 메시지 전송 (수정된 버전) =====
+        function sendMessage() {
+            const chatInput = document.getElementById('chatInput');
+            const message = chatInput.value.trim();
+            if (!message || isSearching) return;
+
+            // 사용자 메시지 추가
+            addMessage(message, 'user');
+
+            // 입력창 초기화 및 비활성화
+            chatInput.value = '';
+            chatInput.style.height = 'auto';
+            disableChatInput();
+            isSearching = true;
+
+            // 로딩 표시
+            showTypingIndicator();
+            showCancelButton();
+
+            // 서버에 소켓으로 요청 (검색 모드 포함)
+            const requestData = {
+                query: message,
+                regions: getSelectedRegions(),
+                searchEachMode: searchEachMode, // 검색 모드 추가
+                selectedRegulations: selectedRegulations.map(id => {
+                    const element = document.querySelector(`[data-id="${id}"]`);
+                    return {
+                        id: id,
+                        title: element ? element.getAttribute('data-title') || element.textContent.trim() : id
+                    };
+                })
+            };
+
+            // 소켓으로 검색 요청 전송
+            socket.emit('search_query', requestData);
+        }
+
+        // 검색 취소 함수 (수정됨)
+        function cancelSearch() {
+            console.log('Cancel search clicked. Session ID:', currentSessionId, 'Is searching:', isSearching);
+            
+            if (currentSessionId && isSearching) {
+                socket.emit('cancel_search', { session_id: currentSessionId });
+                console.log('Cancel request sent with session ID:', currentSessionId);
+            } else {
+                console.log('Cannot cancel: no session ID or not searching');
+                // 로컬에서 검색 상태 초기화
+                hideTypingIndicator();
+                enableChatInput();
+                hideCancelButton();
+                isSearching = false;
+                currentSessionId = null;
+                updateSearchStatus('검색이 취소되었습니다.');
+            }
+        }
+
+        function addMessage(text, type) {
+            const chatMessages = document.getElementById('chatMessages');
+            const messageDiv = document.createElement('div');
+            messageDiv.className = `message ${type}`;
+
+            const avatar = document.createElement('div');
+            avatar.className = 'message-avatar';
+            avatar.textContent = type === 'user' ? 'Me' : 'Lexi';
+
+            const contentWrapper = document.createElement('div');
+            const content = document.createElement('div');
+            content.className = 'message-content';
+            
+            if (type === 'assistant') {
+                // 마크다운 스타일 텍스트를 HTML로 변환
+                //const formattedText = formatMarkdownToHtml(text);
+                content.innerHTML = text;
+            } else {
+                content.textContent = text;
+            }
+
+            const time = document.createElement('div');
+            time.className = 'message-time';
+            time.textContent = formatTime(new Date());
+
+            contentWrapper.appendChild(content);
+            contentWrapper.appendChild(time);
+            messageDiv.appendChild(avatar);
+            messageDiv.appendChild(contentWrapper);
+
+            // 타이핑 인디케이터가 있으면 그 위에 추가
+            const typingIndicator = document.getElementById('typingIndicator');
+            if (typingIndicator) {
+                chatMessages.insertBefore(messageDiv, typingIndicator);
+            } else {
+                chatMessages.appendChild(messageDiv);
+            }
+
+            chatMessages.scrollTop = chatMessages.scrollHeight;
+        }
+
+        function formatMarkdownToHtml(text) {
+            // 간단한 마크다운 변환
+            let html = text;
+            
+            // **굵은 글씨** 변환
+            html = html.replace(/\*\*(.*?)\*\*/g, '<strong>$1</strong>');
+            
+            // 줄바꿈 변환
+            html = html.replace(/\n/g, '<br>');
+            
+            return html;
+        }
+
+        function showTypingIndicator() {
+            // 기존 타이핑 인디케이터 제거
+            hideTypingIndicator();
+            
+            const chatMessages = document.getElementById('chatMessages');
+            const indicator = document.createElement('div');
+            indicator.className = 'message assistant';
+            indicator.id = 'typingIndicator';
+
+            const avatar = document.createElement('div');
+            avatar.className = 'message-avatar';
+            avatar.textContent = 'Lexi';
+
+            const typing = document.createElement('div');
+            typing.className = 'typing-indicator';
+            typing.innerHTML = '<div class="typing-dot"></div><div class="typing-dot"></div><div class="typing-dot"></div>';
+
+            indicator.appendChild(avatar);
+            indicator.appendChild(typing);
+            chatMessages.appendChild(indicator);
+            chatMessages.scrollTop = chatMessages.scrollHeight;
+        }
+
+        function hideTypingIndicator() {
+            const indicator = document.getElementById('typingIndicator');
+            if (indicator) {
+                indicator.remove();
+            }
+        }
+
+        function decodeHtmlEntities(text) {
+            const textarea = document.createElement('textarea');
+            textarea.innerHTML = text;
+            return textarea.value;
+        }
+
+        // ===== 상세 법규 리스트 관련 함수 =====
+        function loadDetailedRegulationList() {
+            const selectedRegions = getSelectedRegions();
+            const detailsListDiv = document.getElementById('regulationDetailsList');
+            const searchContainer = document.getElementById('regulationSearchContainer');
+            const typeTabs = document.getElementById('regulationTypeTabs');
+            
+            detailsListDiv.innerHTML = '<p style="color: var(--text-muted); padding: 20px; text-align: center; margin: 0;">상세 법규 리스트 로딩 중...</p>';
+
+            fetch('/get_reg_list', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify({ regions: selectedRegions })
+            })
+            .then(response => response.json())
+            .then(data => {
+                // 모든 법규 데이터 저장
+                regulationData = data;
+                
+                if (data.reg_list_part || data.reg_list_section || data.reg_list_chapter || data.reg_list_jo) {
+                    // 탭과 검색창 표시
+                    typeTabs.style.display = 'flex';
+                    searchContainer.style.display = 'block';
+                    
+                    // 기본적으로 part 타입 표시
+                    switchRegulationType('part');
+                    initializeRegulationSearch();
+                } else {
+                    detailsListDiv.innerHTML = '<p style="color: var(--text-muted); padding: 20px; text-align: center; margin: 0;">상세 법규 리스트를 불러올 수 없습니다.</p>';
+                }
+            })
+            .catch(error => {
+                console.error('상세 법규 리스트 로딩 오류:', error);
+                detailsListDiv.innerHTML = '<p style="color: #ff6b6b; padding: 20px; text-align: center; margin: 0;">리스트 로딩 중 오류가 발생했습니다.</p>';
+            });
+        }
+
+        function displayDetailedRegulationList(data, type) {
+            const detailsListDiv = document.getElementById('regulationDetailsList');
+            
+            let listHTML = '';
+            
+            if (typeof data === 'string' && data.trim()) {
+                const lines = data.split('\n').filter(line => line.trim());
+                lines.forEach((line, index) => {
+                    const regId = `detail_reg_${type}_${Date.now()}_${index}`;
+                    const isSelected = selectedRegulations.includes(regId);
+                    listHTML += `
+                        <div class="regulation-detail-item ${isSelected ? 'selected' : ''}" 
+                             data-id="${regId}" 
+                             data-title="${line.trim()}"
+                             data-type="${type}"
+                             data-search-text="${line.trim().toLowerCase()}">
+                            ${line.trim()}
+                        </div>
+                    `;
+                });
+            } else if (Array.isArray(data)) {
+                data.forEach((item, index) => {
+                    const regId = item.id || `detail_reg_${type}_${Date.now()}_${index}`;
+                    const title = item.title || item.name || item.toString();
+                    const isSelected = selectedRegulations.includes(regId);
+                    listHTML += `
+                        <div class="regulation-detail-item ${isSelected ? 'selected' : ''}" 
+                             data-id="${regId}" 
+                             data-title="${title}"
+                             data-type="${type}"
+                             data-search-text="${title.toLowerCase()}">
+                            ${title}
+                        </div>
+                    `;
+                });
+            } else {
+                listHTML = '<p style="color: var(--text-muted); padding: 20px; text-align: center; margin: 0;">해당 타입의 법규 데이터가 없습니다.</p>';
+            }
+            
+            detailsListDiv.innerHTML = listHTML;
+            updateSelectedCount();
+            
+            // 상세 법규 리스트 클릭 이벤트 추가 (기존 이벤트 리스너 제거 후 재생성)
+            detailsListDiv.removeEventListener('click', handleRegulationClick);
+            detailsListDiv.addEventListener('click', handleRegulationClick);
+        }
+
+        function handleRegulationClick(e) {
+            const item = e.target.closest('.regulation-detail-item');
+            if (item) {
+                toggleRegulationSelection(item);
+            }
+        }
+
+        function toggleRegulationSelection(element) {
+            const id = element.getAttribute('data-id');
+            const isSelected = selectedRegulations.find(reg => reg.id === id);
+            
+            if (isSelected) {
+                selectedRegulations = selectedRegulations.filter(reg => reg.id !== id);
+                element.classList.remove('selected');
+            } else {
+                const regulationData = {
+                    id: id,
+                    title: element.getAttribute('data-title') || element.textContent.trim(),
+                    type: element.getAttribute('data-type')
+                };
+                selectedRegulations.push(regulationData);
+                element.classList.add('selected');
+            }
+            updateSelectedCount();
+        }
+
+        function updateSelectedCount() {
+            const countElement = document.getElementById('selectedCount');
+            if (countElement) {
+                countElement.textContent = `선택됨: ${selectedRegulations.length}`;
+            }
+        }
+
+        // ===== 메시지 전송 (수정된 버전) =====
+        function sendMessage() {
+            const chatInput = document.getElementById('chatInput');
+            const message = chatInput.value.trim();
+            if (!message || isSearching) return;
+
+            // 사용자 메시지 추가
+            addMessage(message, 'user');
+
+            // 입력창 초기화 및 비활성화
+            chatInput.value = '';
+            chatInput.style.height = 'auto';
+            disableChatInput();
+            isSearching = true;
+
+            // 로딩 표시
+            showTypingIndicator();
+            showCancelButton();
+
+            // 서버에 소켓으로 요청 (법규 타입 정보 포함)
+            const requestData = {
+                query: message,
+                regions: getSelectedRegions(),
+                searchEachMode: searchEachMode,
+                selectedRegulations: selectedRegulations.map(reg => {
+                    return {
+                        id: reg.id,
+                        title: reg.title,
+                        type: reg.type // 법규 타입 정보 추가
+                    };
+                })
+            };
+
+            console.log('전송 데이터:', requestData); // 디버깅용
+
+            // 소켓으로 검색 요청 전송
+            socket.emit('search_query', requestData);
+        }
+
+        function clearAllSelections() {
+            selectedRegulations = [];
+            document.querySelectorAll('.regulation-item').forEach(item => {
+                item.classList.remove('selected');
+            });
+            document.querySelectorAll('.regulation-detail-item').forEach(item => {
+                item.classList.remove('selected');
+            });
+            updateSelectedCount();
+            
+            // 검색창 초기화
+            const searchInput = document.getElementById('regulationSearchInput');
+            if (searchInput) {
+                searchInput.value = '';
+                filterRegulationList('');
+            }
+        }
+
+        function initializeRegulationSearch() {
+            const searchInput = document.getElementById('regulationSearchInput');
+            
+            // 기존 이벤트 리스너 제거 후 새로 추가
+            searchInput.removeEventListener('input', handleSearchInput);
+            searchInput.addEventListener('input', handleSearchInput);
+        }
+
+        function handleSearchInput() {
+            const searchTerm = this.value.toLowerCase().trim();
+            filterRegulationList(searchTerm);
+        }
+
+        function filterRegulationList(searchTerm) {
+            const detailItems = document.querySelectorAll('.regulation-detail-item');
+            
+            detailItems.forEach(item => {
+                const searchText = item.getAttribute('data-search-text') || '';
+                
+                if (searchTerm === '' || searchText.includes(searchTerm)) {
+                    item.classList.remove('hidden');
+                } else {
+                    item.classList.add('hidden');
+                }
+            });
+        }
+
+        function clearAllSelections() {
+            selectedRegulations = [];
+            document.querySelectorAll('.regulation-item').forEach(item => {
+                item.classList.remove('selected');
+            });
+            document.querySelectorAll('.regulation-detail-item').forEach(item => {
+                item.classList.remove('selected');
+            });
+            updateSelectedCount();
+            
+            // 검색창 초기화
+            const searchInput = document.getElementById('regulationSearchInput');
+            if (searchInput) {
+                searchInput.value = '';
+                filterRegulationList('');
+            }
+        }
+    </script>
+</body>
 </html>
\ No newline at end of file
