.admin-login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f5f5f5;padding:20px}.login-form-wrapper{background:#fff;padding:40px;border-radius:8px;box-shadow:0 2px 10px #0000001a;width:100%;max-width:400px}.login-form-wrapper h2{margin-bottom:30px;text-align:center;color:#333}.login-form .form-group{margin-bottom:20px}.login-form label{display:block;margin-bottom:8px;font-weight:500;color:#555}.login-form input{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px;transition:border-color .3s}.login-form input:focus{outline:none;border-color:#1890ff}.error-message{color:#ff4d4f;margin-bottom:16px;font-size:14px}.login-button{width:100%;padding:10px;background-color:#1890ff;color:#fff;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:background-color .3s}.login-button:hover:not(:disabled){background-color:#40a9ff}.login-button:disabled{background-color:#d9d9d9;cursor:not-allowed}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:200px;background-color:#1f2937;color:#fff;padding:20px 0;height:100vh;position:fixed}.admin-sidebar h3{padding:0 20px 20px;margin:0;border-bottom:1px solid #374151}.admin-nav{list-style:none;padding:0;margin:20px 0}.admin-nav li{padding:0}.admin-nav a{display:flex;align-items:center;padding:12px 20px;color:#9ca3af;text-decoration:none;transition:all .3s}.admin-nav a:hover,.admin-nav a.active{background-color:#374151;color:#fff}.admin-content{margin-left:200px;padding:20px;flex:1}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:10px;border-bottom:1px solid #e5e7eb}.admin-header h2{margin:0;color:#1f2937}.logout-button{padding:6px 12px;background-color:#ef4444;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px}.admin-header-actions{display:flex;align-items:center;gap:12px}.logout-button:hover{background-color:#dc2626}.article-management{background:#fff;padding:20px;border-radius:8px;box-shadow:0 1px 3px #0000001a}.articles-table{width:100%;border-collapse:collapse;margin-top:20px}.articles-table th,.articles-table td{padding:12px;text-align:left;border-bottom:1px solid #e5e7eb}.articles-table th{background-color:#f9fafb;font-weight:600;color:#1f2937}.action-buttons{display:flex;gap:8px}.edit-button,.delete-button,.add-button{padding:6px 12px;border:none;border-radius:4px;cursor:pointer;font-size:14px;transition:background-color .3s}.edit-button{background-color:#1890ff;color:#fff}.edit-button:hover{background-color:#40a9ff}.delete-button{background-color:#ff4d4f;color:#fff}.delete-button:hover{background-color:#ff7875}.add-button{background-color:#52c41a;color:#fff;margin-bottom:20px}.add-button:hover{background-color:#73d13d}.article-form{background:#fff;padding:20px;border-radius:8px;box-shadow:0 1px 3px #0000001a;max-width:800px;margin:0 auto}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:#1f2937}.form-group input,.form-group textarea{width:100%;padding:10px;border:1px solid #d1d5db;border-radius:4px;font-size:14px;transition:border-color .3s}.form-group textarea{min-height:150px;resize:vertical}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#1890ff}.form-actions{display:flex;gap:10px;margin-top:30px}.submit-button{padding:10px 20px;background-color:#52c41a;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px}.submit-button:hover{background-color:#73d13d}.cancel-button{padding:10px 20px;background-color:#f5f5f5;color:#333;border:1px solid #d9d9d9;border-radius:4px;cursor:pointer;font-size:14px;text-decoration:none}.cancel-button:hover{background-color:#e6f7ff}.image-preview{margin-top:10px;max-width:200px;max-height:200px;border-radius:4px;display:none}.image-preview.show{display:block}@media (max-width: 768px){.admin-layout{flex-direction:column}.admin-sidebar{width:100%;height:auto;position:relative}.admin-content{margin-left:0}.articles-table{display:block;overflow-x:auto}}.lcw-admin-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;margin-left:8px;padding:0 5px;border-radius:9px;background:#ef4444;color:#fff;font-size:11px;font-weight:700;line-height:1;vertical-align:middle}.lcw-admin{display:grid;grid-template-columns:330px minmax(0,1fr);gap:16px;height:calc(100vh - 200px);min-height:460px}.lcw-admin-list{background:#fff;border:1px solid #e5ebf2;border-radius:12px;display:flex;flex-direction:column;overflow:hidden;min-height:0}.lcw-admin-filters{padding:12px 14px;border-bottom:1px solid #eef2f6;display:flex;align-items:center;flex-wrap:wrap;gap:8px;flex:none}.lcw-admin-bulk{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}.lcw-admin-selectall{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:#526779;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.lcw-admin-selectall input{width:14px;height:14px;cursor:pointer}.lcw-admin-delete-btn{border:1px solid #f0b4b4;background:#fff;color:#b42318;font-size:12px;padding:5px 12px;border-radius:7px;cursor:pointer;transition:background .15s ease,border-color .15s ease}.lcw-admin-delete-btn:hover:not(:disabled){background:#fef3f2;border-color:#e24b4a}.lcw-admin-delete-btn:disabled{opacity:.45;cursor:default}.lcw-admin-chat-actions button.lcw-admin-danger{border-color:#f0b4b4;color:#b42318}.lcw-admin-chat-actions button.lcw-admin-danger:hover:not(:disabled){border-color:#e24b4a;color:#b42318;background:#fef3f2}.lcw-admin-chat-actions button.lcw-admin-danger:disabled{opacity:.45;cursor:default}.lcw-admin-filter{border:1px solid #e0e8f0;background:#fff;color:#526779;font-size:12px;padding:5px 12px;border-radius:7px;cursor:pointer;transition:border-color .15s ease,color .15s ease}.lcw-admin-filter:hover{border-color:#146fbd;color:#146fbd}.lcw-admin-filter.active{background:#146fbd;border-color:#146fbd;color:#fff}.lcw-admin-threads{flex:1;min-height:0;overflow-y:auto;padding:8px}.lcw-admin-thread{display:flex;align-items:flex-start;gap:8px;width:100%;border-radius:9px;padding:10px 12px;background:transparent}.lcw-admin-thread:hover{background:#f2f7fb}.lcw-admin-thread.active{background:#e7f3fc;box-shadow:inset 3px 0 #146fbd}.lcw-admin-thread.selected{background:#eef6fd}.lcw-admin-check{width:15px;height:15px;margin:2px 0 0;flex:none;cursor:pointer;accent-color:#146fbd}.lcw-admin-thread-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px;text-align:left;border:0;background:transparent;padding:0;font:inherit;color:inherit;cursor:pointer}.lcw-admin-thread-top{display:flex;align-items:center;gap:8px;font-size:13px;color:#1e3448}.lcw-admin-thread-top strong{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lcw-admin-status{font-size:10.5px;padding:1px 8px;border-radius:9px;flex:none}.lcw-admin-status--open{background:#eaf8f0;color:#208650}.lcw-admin-status--closed{background:#f2f5f7;color:#788895}.lcw-admin-badge{min-width:18px;height:18px;padding:0 6px;border-radius:9px;background:#d64545;color:#fff;font-size:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:none}.lcw-admin-thread-preview{font-size:12px;color:#7e9ab1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lcw-admin-thread-meta{display:flex;align-items:center;gap:8px;justify-content:space-between;font-size:10.5px;color:#9aa8b5}.lcw-admin-src{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%}.lcw-admin-chat{background:#fff;border:1px solid #e5ebf2;border-radius:12px;display:flex;flex-direction:column;overflow:hidden;min-height:0}.lcw-admin-chat-head{padding:12px 16px;border-bottom:1px solid #eef2f6;display:flex;align-items:center;gap:12px;flex:none}.lcw-admin-who{flex:1;min-width:0;display:flex;align-items:center;gap:12px}.lcw-admin-avatar{width:38px;height:38px;border-radius:10px;background:#eaf4fb;color:#2276bf;display:grid;place-items:center;font-weight:700;font-size:13px;flex:none}.lcw-admin-name{min-width:0}.lcw-admin-name strong{display:block;font-size:14px;color:#1e3448}.lcw-admin-name span{font-size:11px;color:#94a2af;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lcw-admin-chat-actions{display:flex;align-items:center;gap:8px;flex:none}.lcw-admin-chat-actions button{border:1px solid #e0e8f0;background:#fff;color:#526779;border-radius:8px;padding:6px 12px;font-size:12px;cursor:pointer;transition:border-color .15s ease,color .15s ease}.lcw-admin-chat-actions button:hover{border-color:#146fbd;color:#146fbd}.lcw-admin-msgs{flex:1;min-height:0;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:#f7fafc}.lcw-admin-row{display:flex;align-items:flex-end;gap:8px;max-width:82%}.lcw-admin-row--agent{align-self:flex-end;flex-direction:row-reverse}.lcw-admin-row--visitor .lcw-admin-sender{display:none}.lcw-admin-sender{font-size:10px;font-weight:700;color:#9aa8b5;letter-spacing:.05em;flex:none;margin-bottom:3px}.lcw-admin-bubble{padding:10px 13px;border-radius:13px;font-size:13px;line-height:1.6;word-break:break-word;white-space:pre-wrap}.lcw-admin-row--visitor .lcw-admin-bubble{background:#fff;color:#22374c;border:1px solid #e3ecf3;border-bottom-left-radius:4px}.lcw-admin-row--agent .lcw-admin-bubble{background:#12508f;color:#fff;border-bottom-right-radius:4px}.lcw-admin-bubble img,.lcw-admin-bubble video{display:block;max-width:100%;max-height:220px;border-radius:9px;margin:2px 0 4px;background:#eef4f8}.lcw-admin-bubble img{cursor:zoom-in}.lcw-admin-time{font-size:10px;color:#93a7ba;flex:none;margin-bottom:3px}.lcw-admin-composer{flex:none;border-top:1px solid #eef2f6;padding:10px 12px;display:flex;align-items:center;gap:8px;background:#fff}.lcw-admin-composer button{border:0;border-radius:9px;cursor:pointer}.lcw-admin-attach{width:36px;height:36px;background:#f0f5fa;color:#48657f;flex:none;display:grid;place-items:center;transition:background .15s ease}.lcw-admin-attach:hover{background:#e2edf6}.lcw-admin-attach svg{width:15px;height:15px}.lcw-admin-composer input[type=text]{flex:1;min-width:0;border:1px solid #dfe8f0;border-radius:9px;padding:9px 12px;font-size:13px;font-family:inherit;color:#22374c;background:#fff}.lcw-admin-composer input[type=text]::-moz-placeholder{color:#93a7ba}.lcw-admin-composer input[type=text]::placeholder{color:#93a7ba}.lcw-admin-composer input[type=text]:focus{outline:none;border-color:#4a90c4}.lcw-admin-send{padding:9px 18px;background:#12508f;color:#fff;font-size:13px;font-weight:600;flex:none;transition:background .15s ease}.lcw-admin-send:hover{background:#0d3f74}.lcw-admin-send:disabled{opacity:.55;cursor:default}.lcw-admin-closed-tip{flex:none;padding:14px;text-align:center;font-size:13px;color:#92400e;background:#fffbeb;border-top:1px solid #fde68a}.lcw-admin-hint{padding:24px 14px;text-align:center;color:#9aa8b5;font-size:13px;line-height:1.8}.lcw-admin-hint--center{margin:auto}@media (max-width: 960px){.lcw-admin{grid-template-columns:1fr;height:auto;min-height:0}.lcw-admin-list{max-height:320px}.lcw-admin-chat{height:auto}.lcw-admin-msgs{min-height:320px;max-height:60vh}}.lcw-root{position:fixed;right:22px;bottom:22px;z-index:1200}.lcw-fab{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border:none;border-radius:999px;background:#12508f;color:#fff;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 10px 26px #102a4352;transition:transform .15s ease,background .15s ease}.lcw-fab:hover{background:#0d3f74;transform:translateY(-2px)}.lcw-fab svg{width:20px;height:20px;flex:none}.lcw-fab-badge{min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#d64545;color:#fff;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.lcw-panel{position:fixed;right:22px;bottom:88px;width:344px;max-width:calc(100vw - 32px);height:500px;max-height:calc(100vh - 160px);display:flex;flex-direction:column;background:#fff;border-radius:16px;box-shadow:0 18px 48px #102a4338,0 2px 10px #102a431a;overflow:hidden;color:#22374c}.lcw-head{display:flex;align-items:center;gap:10px;padding:12px 14px;background:linear-gradient(135deg,#102a43,#1d3d5c);color:#fff;flex:0 0 auto}.lcw-logo{width:34px;height:34px;border-radius:10px;background:#fff;display:grid;place-items:center;overflow:hidden;flex:none}.lcw-logo img{width:26px;height:26px;-o-object-fit:contain;object-fit:contain;display:block}.lcw-head-txt{flex:1;min-width:0;line-height:1.25}.lcw-head-txt strong{display:block;font-size:14px}.lcw-head-txt small{font-size:11px;opacity:.75}.lcw-head-btn{border:0;background:#ffffff1f;color:#fff;width:26px;height:26px;border-radius:7px;cursor:pointer;flex:none;display:grid;place-items:center}.lcw-head-btn:hover{background:#ffffff3d}.lcw-head-btn svg{width:14px;height:14px}.lcw-idform{display:flex;gap:8px;padding:10px 12px;background:#f4f8fb;border-bottom:1px solid #e3ecf3;flex:0 0 auto}.lcw-idform input{flex:1;min-width:0;border:1px solid #d7e2ec;border-radius:8px;padding:7px 10px;font-size:12px;background:#fff}.lcw-idform input:focus{outline:none;border-color:#4a90c4}.lcw-idform button{border:0;background:#12508f;color:#fff;border-radius:8px;padding:0 12px;font-size:12px;cursor:pointer}.lcw-msgs{flex:1;min-height:0;overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:10px;background:#f7fafc;scrollbar-width:thin}.lcw-empty{margin:auto;text-align:center;color:#7d93a8;font-size:13px;line-height:1.7;padding:0 18px}.lcw-empty span{display:block;font-size:26px;margin-bottom:6px}.lcw-row{display:flex;align-items:flex-end;gap:6px}.lcw-row--visitor{flex-direction:row-reverse}.lcw-bubble{max-width:78%;padding:9px 12px;border-radius:14px;font-size:13.5px;line-height:1.55;word-break:break-word;white-space:pre-wrap}.lcw-row--agent .lcw-bubble{background:#fff;color:#22374c;border:1px solid #e3ecf3;border-bottom-left-radius:4px}.lcw-row--visitor .lcw-bubble{background:#12508f;color:#fff;border-bottom-right-radius:4px}.lcw-time{font-size:10px;color:#93a7ba;flex:none;margin-bottom:3px}.lcw-bubble img,.lcw-bubble video{display:block;max-width:100%;max-height:220px;border-radius:9px;margin:2px 0 4px}.lcw-bubble img{cursor:zoom-in;background:#eef4f8}.lcw-bubble video{background:#10233a}.lcw-caption{display:block}.lcw-row--visitor .lcw-bubble--product,.lcw-row--agent .lcw-bubble--product,.lcw-bubble--product{background:#fff;color:#12508f;border:3px solid #12508f;border-radius:14px;padding:8px;max-width:100%}.lcw-bubble--product img{width:100%;max-height:none;border-radius:8px;margin:0 0 8px;background:#fff;cursor:zoom-in}.lcw-bubble--product .lcw-caption{font-size:13px;font-weight:700;line-height:1.45}.lcw-inputrow{flex:none;display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid #e3ecf3;background:#fff}.lcw-attach{border:1px solid #d7e2ec;background:#f4f8fb;color:#48657f;width:34px;height:34px;border-radius:10px;cursor:pointer;flex:none;display:grid;place-items:center;transition:background .15s ease}.lcw-attach:hover{background:#e7f1f9}.lcw-attach svg{width:15px;height:15px}.lcw-inputrow input[type=text]{flex:1;min-width:0;border:1px solid #d7e2ec;border-radius:10px;padding:9px 12px;font-size:13px;font-family:inherit;color:#22374c;background:#fff}.lcw-inputrow input[type=text]::-moz-placeholder{color:#93a7ba}.lcw-inputrow input[type=text]::placeholder{color:#93a7ba}.lcw-inputrow input[type=text]:focus{outline:none;border-color:#4a90c4}.lcw-send{border:0;background:#12508f;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;flex:none;display:grid;place-items:center;transition:background .15s ease}.lcw-send:hover{background:#0d3f74}.lcw-send:disabled{opacity:.55;cursor:default}.lcw-send svg{width:16px;height:16px}.lcw-foot{flex:none;padding:6px 12px 8px;background:#fff;text-align:center;font-size:10.5px;color:#93a7ba}.lcw-foot a{color:#12508f;text-decoration:none}.lcw-foot a:hover{text-decoration:underline}@media (max-width: 640px){.lcw-root{right:12px;bottom:12px}.lcw-panel{right:12px;left:12px;width:auto;bottom:76px;height:min(560px,calc(100vh - 110px))}}:root{--primary-blue: #1E40AF;--secondary-blue: #3B82F6;--light-blue: #EFF6FF;--dark-gray: #374151;--light-gray: #F3F4F6;--border-gray: #E5E7EB}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.gradient-bg{background:linear-gradient(135deg,#1e40af,#3b82f6)}.hero-gradient{background:linear-gradient(135deg,#1e40af,#3b82f6,#60a5fa)}.card-hover{transition:all .3s ease}.card-hover:hover{transform:translateY(-5px);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.text-gradient{background:linear-gradient(135deg,#1e40af,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-padding{padding:5rem 0}@media (max-width: 768px){.section-padding{padding:3rem 0}}