:root{--qbo-green:#2ca01c;--qbo-green-hover:#108000;--qbo-bg:#f4f5f8;--qbo-sidebar:#eceef1;--text-dark:#393a3d;--text-light:#6b6c72;--border-color:#d4d7dc;--shadow:0 4px 12px #00000014}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--qbo-bg);color:var(--text-dark);height:100vh;overflow:hidden}.app-container{flex-direction:column;height:100vh;display:flex}.header{border-bottom:1px solid var(--border-color);z-index:10;background:#fff;align-items:center;height:60px;padding:0 24px;display:flex;box-shadow:0 2px 4px #00000005}.header-logo{align-items:center;gap:12px;display:flex}.header-logo img{height:28px}.header-title{color:var(--text-dark);font-size:18px;font-weight:600}.main-content{flex:1;display:flex;overflow:hidden}.sidebar-left{border-right:1px solid var(--border-color);background:#fff;flex-direction:column;width:250px;padding:16px;display:flex}.sidebar-title{color:var(--text-light);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px;font-size:14px;font-weight:600}.new-chat-btn{border:1px solid var(--border-color);color:var(--text-dark);cursor:pointer;background:#fff;border-radius:6px;align-items:center;gap:8px;margin-bottom:16px;padding:8px 12px;font-weight:500;transition:all .2s;display:flex}.new-chat-btn:hover{background:var(--qbo-sidebar)}.history-list{flex:1;overflow-y:auto}.history-item{cursor:pointer;color:var(--text-dark);white-space:nowrap;text-overflow:ellipsis;border-radius:6px;align-items:center;gap:8px;margin-bottom:4px;padding:10px;font-size:13px;display:flex;overflow:hidden}.history-item:hover{background:var(--qbo-bg)}.chat-panel{background:var(--qbo-bg);flex-direction:column;flex:1;display:flex;position:relative}.chat-messages{scroll-behavior:smooth;flex:1;padding:24px;overflow-y:auto}.message-wrapper{max-width:800px;margin-bottom:24px;margin-left:auto;margin-right:auto;display:flex}.message-user{justify-content:flex-end}.message-bot{justify-content:flex-start}.message-bubble{border-radius:12px;max-width:80%;padding:16px;font-size:15px;line-height:1.5;position:relative}.message-user .message-bubble{background:var(--qbo-green);color:#fff;border-bottom-right-radius:4px}.message-bot .message-bubble{color:var(--text-dark);border:1px solid var(--border-color);box-shadow:var(--shadow);background:#fff;border-bottom-left-radius:4px}.message-bot .markdown a{color:var(--qbo-green)}.message-bot .markdown pre{background:#f4f5f8;border-radius:6px;margin:10px 0;padding:10px;overflow-x:auto}.message-bot .markdown code:not(pre code){background:#eceef1;border-radius:4px;padding:2px 4px;font-family:monospace}.message-bot .markdown table{border-collapse:collapse;width:100%;margin:10px 0}.message-bot .markdown th,.message-bot .markdown td{border:1px solid var(--border-color);padding:8px}.message-actions{border-top:1px solid #eceef1;gap:8px;margin-top:12px;padding-top:8px;display:flex}.action-btn{color:var(--text-light);cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;gap:4px;padding:4px 8px;font-size:12px;transition:background .2s;display:flex}.action-btn:hover{background:var(--qbo-sidebar);color:var(--text-dark)}.input-area{border-top:1px solid var(--border-color);background:#fff;padding:24px}.input-container{border:1px solid var(--border-color);background:#fff;border-radius:12px;align-items:flex-end;gap:12px;max-width:800px;margin:0 auto;padding:8px 16px;display:flex;position:relative;box-shadow:0 2px 6px #0000000d}.input-container:focus-within{border-color:var(--qbo-green);box-shadow:0 0 0 2px #2ca01c33}textarea{resize:none;max-height:150px;color:var(--text-dark);background:0 0;border:none;outline:none;flex:1;padding:8px 0;font-size:15px}.attach-btn,.send-btn{cursor:pointer;color:var(--text-light);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex}.attach-btn:hover{background:var(--qbo-bg)}.send-btn{background:var(--qbo-green);color:#fff}.send-btn:hover:not(:disabled){background:var(--qbo-green-hover)}.send-btn:disabled{cursor:not-allowed;background:#c5c8cf}.attached-files{border-bottom:1px solid #eceef1;flex-wrap:wrap;gap:8px;margin-bottom:8px;padding-bottom:8px;display:flex}.attached-file{background:var(--qbo-bg);border:1px solid var(--border-color);border-radius:16px;align-items:center;gap:6px;padding:4px 12px;font-size:12px;display:flex}.attached-file button{cursor:pointer;color:var(--text-light);background:0 0;border:none}.sidebar-right{border-left:1px solid var(--border-color);background:#fff;flex-direction:column;width:300px;display:flex}.faq-header{border-bottom:1px solid var(--border-color);padding:16px}.faq-header-title{align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.faq-list{flex:1;padding:16px;overflow-y:auto}.faq-category{margin-bottom:16px}.faq-category-title{color:var(--text-light);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:12px;font-weight:700}.faq-item{background:var(--qbo-bg);cursor:pointer;color:var(--text-dark);border:1px solid #0000;border-radius:6px;margin-bottom:8px;padding:10px;font-size:13px;transition:all .2s}.faq-item:hover{border-color:var(--qbo-green);background:#2ca01c0d}.loading-dots{justify-content:center;align-items:center;gap:4px;padding:10px;display:flex}.dot{background:var(--text-light);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite both bounce}.dot:first-child{animation-delay:-.32s}.dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.config-modal-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.config-modal{background:#fff;border-radius:12px;width:400px;padding:32px;box-shadow:0 20px 25px -5px #0000001a}.config-modal h2{margin-bottom:16px;font-size:20px}.config-modal input{border:1px solid var(--border-color);border-radius:6px;width:100%;margin-bottom:16px;padding:12px}.config-modal button{background:var(--qbo-green);color:#fff;cursor:pointer;border:none;border-radius:6px;width:100%;padding:12px;font-weight:600}.config-modal button:hover{background:var(--qbo-green-hover)}