:root{--lhe-sky-blue: #20a8f2;--lhe-sky-blue-hover: #1997dc;--lhe-sky-blue-dark: #1683c7;--lhe-sky-blue-light: #e0f2fe;--lhe-sky-blue-subtle: #f0f9ff;--lhe-emerald: #10b981;--lhe-amber: #f59e0b;--lhe-orange: #ea580c;--bg-body: #f8fafc;--bg-white: #ffffff;--bg-card: #ffffff;--bg-card-subtle: #f1f5f9;--bg-chat: #ffffff;--border-color: #e2e8f0;--border-light: #f1f5f9;--border-blue: #bae6fd;--border-blue-focus: #20a8f2;--sky-gradient: linear-gradient(135deg, #20a8f2 0%, #1683c7 100%);--sky-header-gradient: linear-gradient(90deg, #1ba2ee 0%, #20a8f2 50%, #29b2fc 100%);--emerald-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);--gold-gradient: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);--text-black: #0f172a;--text-main: #1e293b;--text-muted: #64748b;--text-subtle: #94a3b8;--text-white: #ffffff;--radius-xl: 20px;--radius-lg: 16px;--radius-md: 12px;--radius-sm: 8px;--radius-pill: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 14px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .08);--shadow-blue: 0 4px 15px rgba(32, 168, 242, .3)}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}body{background-color:var(--bg-body);color:var(--text-main);height:100vh;display:flex;flex-direction:column;overflow:hidden}header{background:var(--sky-header-gradient);color:var(--text-white);border-bottom:2px solid rgba(255,255,255,.2);display:flex;flex-direction:column;padding:0;z-index:30;box-shadow:0 4px 18px #1683c740;position:relative;flex-shrink:0}.header-top{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.brand-container{display:flex;align-items:center;gap:14px;text-decoration:none}.brand-logo-wrapper{width:48px;height:48px;background:#fff;border-radius:50%;padding:3px;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 10px #00000026;flex-shrink:0}.brand-logo-img{width:100%;height:100%;object-fit:contain}.brand-title{display:flex;flex-direction:column}.brand-title h1{font-family:Outfit,sans-serif;font-size:19px;font-weight:800;color:#fff;letter-spacing:.3px;display:flex;align-items:center;gap:8px;margin:0;line-height:1.2}.national-brand-tag{font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:var(--radius-pill);background:#fff;color:#d97706;letter-spacing:.4px;display:inline-flex;align-items:center;gap:4px;box-shadow:0 2px 5px #0000001a}.brand-title p{font-size:11.5px;color:#ffffffe6;font-weight:500;letter-spacing:.5px;display:flex;align-items:center;gap:6px;margin-top:3px}.header-nav{display:flex;align-items:center;gap:4px}.nav-link{color:#ffffffe6;font-size:12.5px;font-weight:600;text-decoration:none;padding:6px 14px;border-radius:6px;transition:all .2s ease;text-transform:uppercase;letter-spacing:.3px}.nav-link:hover,.nav-link.active{color:#fff;background:#ffffff2e}.header-actions{display:flex;align-items:center;gap:10px}.status-badge{display:flex;align-items:center;gap:7px;padding:6px 14px;background:#fff3;border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-pill);font-size:12px;color:#fff;font-weight:600}.status-dot{width:8px;height:8px;background-color:#34d399;border-radius:50%;box-shadow:0 0 8px #34d399;animation:pulseDot 2s infinite}@keyframes pulseDot{0%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.btn-header{background:#fff;border:none;color:var(--lhe-sky-blue-dark);padding:8px 16px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:7px;transition:all .2s cubic-bezier(.16,1,.3,1);box-shadow:0 2px 6px #0000001a}.btn-header:hover{background:#f8fafc;color:var(--lhe-sky-blue);transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.header-tags-bar{background:#1683c7f2;padding:6px 28px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;font-size:11.5px;color:#ffffffe6}.header-tags-bar::-webkit-scrollbar{display:none}.header-tag-label{font-weight:700;color:#fff;display:flex;align-items:center;gap:5px;margin-right:6px;white-space:nowrap}.product-tag-chip{background:#ffffff26;color:#fff;padding:2px 10px;border-radius:12px;cursor:pointer;white-space:nowrap;transition:background .2s,color .2s}.product-tag-chip:hover{background:#fff;color:var(--lhe-sky-blue-dark);font-weight:600}.main-container{flex:1;display:flex;overflow:hidden;position:relative;background-color:var(--bg-body)}.chat-wrapper{flex:1;display:flex;flex-direction:column;max-width:1080px;margin:0 auto;width:100%;padding:0 24px}.chat-history{flex:1;overflow-y:auto;padding:24px 0 16px;display:flex;flex-direction:column;gap:20px;scroll-behavior:smooth}.chat-history::-webkit-scrollbar{width:6px}.chat-history::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.chat-history::-webkit-scrollbar-thumb:hover{background:#94a3b8}.message-row{display:flex;gap:14px;animation:fadeInSlide .25s cubic-bezier(.16,1,.3,1)}@keyframes fadeInSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-row.user{flex-direction:row-reverse}.avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;box-shadow:0 2px 8px #00000014;overflow:hidden}.message-row.assistant .avatar,.avatar.bot-avatar{background:#fff;border:1.5px solid var(--lhe-sky-blue);padding:3px;box-shadow:0 3px 10px #20a8f240}.bot-avatar-img{width:100%;height:100%;object-fit:contain;border-radius:50%;display:block}.message-row.user .avatar{background:var(--sky-gradient);color:#fff}.bubble{max-width:86%;padding:18px 22px;border-radius:var(--radius-xl);font-size:14.5px;line-height:1.65;position:relative;box-shadow:var(--shadow-sm)}.message-row.user .bubble{background:var(--sky-gradient);color:#fff;border-top-right-radius:4px;box-shadow:var(--shadow-blue)}.message-row.assistant .bubble{background:var(--bg-white);color:var(--text-black);border:1px solid var(--border-color);border-top-left-radius:4px;box-shadow:var(--shadow-md)}.welcome-card-header{display:flex;align-items:center;gap:12px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--border-color)}.welcome-badge{font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:var(--radius-pill);background:var(--lhe-sky-blue-light);color:var(--lhe-sky-blue-dark)}.bubble h1,.bubble h2,.bubble h3{font-family:Outfit,sans-serif;color:var(--text-black);margin-top:14px;margin-bottom:8px;font-weight:700}.message-row.user .bubble h1,.message-row.user .bubble h2,.message-row.user .bubble h3{color:#fff}.bubble h1{font-size:17.5px;border-bottom:1px solid var(--border-color);padding-bottom:6px}.bubble h2{font-size:16px;color:var(--lhe-sky-blue-dark)}.bubble h3{font-size:14.5px}.bubble p{margin-bottom:10px;color:var(--text-main)}.message-row.user .bubble p{color:#fff}.bubble p:last-child{margin-bottom:0}.bubble ul,.bubble ol{margin-left:20px;margin-bottom:12px}.bubble li{margin-bottom:6px;line-height:1.6;color:var(--text-main)}.bubble li strong{color:var(--text-black)}.message-row.user .bubble li,.message-row.user .bubble li strong{color:#fff}.table-scroll-wrapper{max-height:420px;overflow-y:auto;overflow-x:auto;margin:16px 0;border:1px solid var(--border-color);border-radius:var(--radius-md);background:#fff;box-shadow:var(--shadow-sm)}.table-scroll-wrapper::-webkit-scrollbar{width:6px;height:6px}.table-scroll-wrapper::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.bubble table{width:100%;border-collapse:collapse;font-size:13.5px;border:none}.bubble th{position:sticky;top:0;background:var(--lhe-sky-blue);color:#fff;text-align:left;padding:10px 16px;font-weight:700;border-bottom:1px solid var(--border-color);white-space:nowrap;z-index:2}.bubble td{padding:9px 16px;border-bottom:1px solid var(--border-light);color:var(--text-main);white-space:nowrap}.bubble tr:nth-child(2n) td{background-color:#f8fafc}.bubble tr:hover td{background-color:#e0f2fe}.thinking-box{background:#f0f9ff;border:1px solid var(--border-blue);border-radius:var(--radius-pill);padding:8px 16px;display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--lhe-sky-blue-dark);font-weight:500;box-shadow:0 2px 6px #20a8f214}.typing-dots{display:inline-flex;align-items:center;gap:4px}.typing-dot{width:6px;height:6px;background:var(--lhe-sky-blue);border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,to{transform:translateY(0);opacity:.4}50%{transform:translateY(-4px);opacity:1}}.meta-box{margin-top:14px;border-top:1px solid var(--border-color);padding-top:12px;display:flex;flex-direction:column;gap:10px}.meta-tag{font-size:12px;padding:5px 12px;background:var(--lhe-sky-blue-light);color:var(--lhe-sky-blue-dark);border:1px solid var(--border-blue);border-radius:6px;display:inline-flex;align-items:center;gap:6px;width:fit-content;font-weight:500}.sql-accordion{background:#f8fafc;border:1px solid var(--border-color);border-radius:var(--radius-sm);overflow:hidden}.sql-header{padding:9px 14px;font-size:12px;color:var(--text-main);background:#fff;display:flex;justify-content:space-between;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none;font-weight:600}.sql-header:hover{background:#f0f9ff;color:var(--lhe-sky-blue-dark)}.sql-content{padding:12px 14px;font-family:JetBrains Mono,Courier New,monospace;font-size:12px;color:#0284c7;white-space:pre-wrap;word-break:break-all;background:#f8fafc;display:none;border-top:1px solid var(--border-color)}.sql-content.show{display:block}.copy-btn{font-size:11px;color:var(--text-muted);cursor:pointer;font-weight:500}.copy-btn:hover{color:var(--lhe-sky-blue)}.suggestions-bar{display:flex;gap:8px;overflow-x:auto;padding:8px 0;margin-bottom:10px;scrollbar-width:none}.suggestions-bar::-webkit-scrollbar{display:none}.pill{background:#fff;border:1px solid var(--border-color);color:var(--text-main);padding:7px 14px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:500;white-space:nowrap;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);display:flex;align-items:center;gap:7px;box-shadow:0 2px 5px #00000008}.pill:hover{background:var(--lhe-sky-blue);border-color:var(--lhe-sky-blue);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #20a8f24d}.pill:hover i{color:#fff!important}.input-box-wrapper{background:#fff;border:1.5px solid #cbd5e1;border-radius:var(--radius-xl);padding:7px 14px 7px 20px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-md);margin-bottom:20px;transition:all .2s ease}.input-box-wrapper:focus-within{border-color:var(--lhe-sky-blue);box-shadow:0 0 0 3px #20a8f233,var(--shadow-md)}.chat-input{flex:1;background:transparent;border:none;outline:none;color:var(--text-black);font-size:14.5px;padding:8px 0}.chat-input::placeholder{color:#94a3b8}.send-btn{width:42px;height:42px;background:var(--lhe-sky-blue);border:none;border-radius:var(--radius-md);color:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s,background .2s;box-shadow:0 2px 8px #20a8f259}.send-btn:hover{background:var(--lhe-sky-blue-hover);transform:scale(1.05)}.send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172a80;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:none;align-items:center;justify-content:center}.modal-card{width:490px;background:#fff;border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-lg);border:1px solid var(--border-color)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.modal-header h3{font-family:Outfit,sans-serif;font-size:18px;color:var(--lhe-sky-blue-dark);font-weight:700;display:flex;align-items:center;gap:8px}.close-btn{background:transparent;border:none;color:var(--text-muted);font-size:18px;cursor:pointer}.close-btn:hover{color:var(--text-black)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;color:var(--text-main);margin-bottom:6px;font-weight:600}.form-control{width:100%;background:#fff;border:1.5px solid var(--border-color);padding:10px 14px;border-radius:var(--radius-sm);color:var(--text-black);font-size:13.5px;outline:none;transition:border-color .2s}.form-control:focus{border-color:var(--lhe-sky-blue);box-shadow:0 0 0 3px #20a8f226}.checkbox-group{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-main);cursor:pointer}.checkbox-label input[type=checkbox]{accent-color:var(--lhe-sky-blue)}.btn-save{width:100%;background:var(--lhe-sky-blue);color:#fff;border:none;padding:12px;border-radius:var(--radius-sm);font-weight:700;font-size:14px;cursor:pointer;margin-top:12px;box-shadow:0 3px 10px #20a8f24d;transition:background .2s}.btn-save:hover{background:var(--lhe-sky-blue-hover)}