:root{--brand-01: #005d5d;--brand-02: #004144;--brand-03: #007d79;--brand-soft: #e6f2f1;--ui-01: #f4f6f6;--ui-02: #ffffff;--ui-03: #e2e6e6;--text-01: #161616;--text-02: #525252;--text-03: #8d8d8d;--shadow-sm: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);--shadow-md: 0 4px 12px rgba(16, 24, 40, .1)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:IBM Plex Sans,system-ui,sans-serif;background:var(--ui-01);color:var(--text-01);-webkit-font-smoothing:antialiased}.login-screen{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:24px;background:radial-gradient(900px 500px at 50% -10%,#e9f3f2 0%,transparent 60%),var(--ui-01)}.login-brand{display:flex;align-items:center;gap:12px}.login-brand-icon{width:52px;height:52px;display:flex;align-items:center;justify-content:center;font-size:26px;background:linear-gradient(135deg,var(--brand-03),var(--brand-01));border-radius:12px;box-shadow:var(--shadow-md)}.login-card{width:100%;max-width:380px;background:var(--ui-02);border:1px solid var(--ui-03);border-radius:16px;box-shadow:var(--shadow-md);padding:28px}.app-header{background:var(--brand-01)!important;display:flex;align-items:center;justify-content:space-between;padding:0 20px!important;height:60px!important;line-height:normal!important;box-shadow:var(--shadow-sm)}.app-header-brand{display:flex;align-items:center;gap:10px}.app-header-icon{width:36px;height:36px;border-radius:9px;background:#ffffff26;display:flex;align-items:center;justify-content:center;font-size:20px}.app-header-title{color:#fff;font-weight:700;font-size:16px;line-height:1.1}.app-header-sub{color:#ffffffbf;font-size:12px}.app-header-right{display:flex;align-items:center;gap:12px}.chat-panel{flex:1;display:flex;flex-direction:column;min-height:0}.chat-content{flex:1;overflow-y:auto;padding:24px 0;min-height:0}.chat-inner{max-width:820px;margin:0 auto;padding:0 20px}.dash-panel{height:100%;overflow:auto;padding:20px 24px}.dash-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.docchat{display:flex;height:100%;min-height:0}.docchat-side{width:240px;border-right:1px solid var(--ui-03);padding:12px;overflow-y:auto;background:#fafbfb}.docchat-main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}.conv-item{cursor:pointer;border-radius:8px;padding:8px 10px!important;transition:background .12s}.conv-item:hover{background:var(--brand-soft)}.conv-item.active{background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand-01)}.conv-title{font-size:13px;color:var(--text-01);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pt-banner{display:flex;gap:28px;margin-bottom:16px;background:linear-gradient(135deg,var(--brand-03),var(--brand-01));color:#fff;border-radius:12px;padding:12px 20px}.pt-banner>div{display:flex;flex-direction:column}.pb-v{font-size:19px;font-weight:700;line-height:1.1}.pb-l{font-size:11px;opacity:.85}.lookup-grid{display:grid;grid-template-columns:320px 1fr;gap:20px;align-items:start}.lookup-item{cursor:pointer;padding:10px 12px!important;border-radius:10px;transition:background .12s}.lookup-item:hover{background:var(--brand-soft)}.lookup-item.active{background:var(--brand-soft);box-shadow:inset 3px 0 0 var(--brand-01)}.chat-empty{text-align:center;color:var(--text-02);padding:80px 20px}.chat-empty h2{margin:16px 0 8px;color:var(--text-01)}.suggest-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}.suggest-chip{background:#fff;border:1px solid var(--ui-03);border-radius:999px;padding:8px 14px;font-size:13px;color:var(--brand-01);cursor:pointer;font-family:inherit;transition:background .12s,border-color .12s}.suggest-chip:hover{background:var(--brand-soft);border-color:var(--brand-03)}.msg-row{display:flex;gap:10px;margin-bottom:18px;align-items:flex-start}.msg-row.user{flex-direction:row-reverse}.msg-avatar.assistant{background:var(--brand-01)}.msg-avatar.user{background:#8d8d8d}.bubble{max-width:76%;padding:11px 15px;border-radius:14px;font-size:14.5px;line-height:1.6;box-shadow:var(--shadow-sm);word-wrap:break-word}.bubble.user{background:var(--brand-01);color:#fff;border-bottom-right-radius:4px}.bubble.assistant{background:var(--ui-02);border:1px solid var(--ui-03);border-bottom-left-radius:4px}.md p{margin:0 0 8px}.md p:last-child{margin-bottom:0}.md ul,.md ol{margin:6px 0;padding-left:20px}.md h1,.md h2,.md h3{margin:10px 0 6px;font-size:15px}.md table{border-collapse:collapse;width:100%;margin:8px 0;font-size:13px}.md th,.md td{border:1px solid var(--ui-03);padding:6px 9px;text-align:left}.md th{background:var(--ui-01)}.md code{background:var(--ui-01);padding:1px 5px;border-radius:5px;font-size:12.5px}.dengue-form{min-width:320px}.dgf-title{font-weight:700;color:var(--brand-01);margin-bottom:10px;font-size:15px}.dgf-section{font-weight:600;color:var(--text-02);font-size:12px;text-transform:uppercase;margin:12px 0 6px}.dgf-q{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:5px 0;border-bottom:1px dashed var(--ui-03)}.dgf-q:last-of-type{border-bottom:none}.dgf-label{font-size:13.5px;color:var(--text-01);flex:1}.bubble.assistant:has(.dengue-form){max-width:92%}.status-line{color:var(--text-02);font-size:13.5px;display:inline-flex;align-items:center;gap:8px}.dots{display:inline-flex;gap:3px}.dots i{width:6px;height:6px;border-radius:50%;background:var(--brand-03);animation:blink 1.2s infinite}.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,60%,to{opacity:.25}30%{opacity:1}}.source-cards{margin:0 0 10px}.source-cards-label{font-size:12px;font-weight:600;color:var(--text-02);margin-bottom:6px}.source-cards-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.source-card{flex:0 0 auto;max-width:230px;display:flex;gap:8px;align-items:flex-start;padding:8px 10px;border:1px solid var(--ui-03);border-radius:8px;background:var(--ui-02);text-decoration:none}.source-card:hover{border-color:var(--brand-03);box-shadow:var(--shadow-sm)}.source-card-n{flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:var(--brand-01);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}.source-card-main{display:flex;flex-direction:column;min-width:0}.source-card-title{font-size:12px;line-height:1.35;color:var(--text-01);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.source-card-src{font-size:11px;color:var(--text-03);margin-top:2px}.cite-chip{display:inline-flex;align-items:center;justify-content:center;min-width:16px;height:16px;padding:0 4px;margin:0 2px;border-radius:8px;background:var(--ui-01);border:1px solid var(--ui-03);color:var(--brand-01);font-size:11px;font-weight:700;text-decoration:none;vertical-align:super;line-height:1}.cite-chip:hover{background:var(--brand-03);color:#fff}.msg-img{max-width:240px;max-height:180px;border-radius:8px;display:block;margin-bottom:6px}.img-preview{position:relative;display:inline-block;margin-bottom:6px}.img-preview img{max-height:64px;border-radius:6px;border:1px solid var(--ui-03);display:block}.img-preview .anticon{position:absolute;top:-7px;right:-7px;color:var(--danger);background:#fff;border-radius:50%;cursor:pointer;font-size:17px}.chat-footer{background:var(--ui-02)!important;border-top:1px solid var(--ui-03);padding:14px 20px!important}.chat-input-wrap{max-width:820px;margin:0 auto;display:flex;gap:10px;align-items:flex-end}.chat-input-wrap .ant-input{border-radius:12px}