:root{--primary-color: #0f172a;--accent-blue: #3b82f6;--accent-emerald: #10b981;--accent-indigo: #6366f1;var(--accent-red): #ef4444;--accent-amber: #f59e0b;--bg-main: #fcfcfd;--bg-sidebar: #f1f5f9;--bg-card: #ffffff;--bg-secondary: #e2e8f0;--text-main: #1e293b;--text-muted: #64748b;--text-light: #94a3b8;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--sidebar-width: 320px}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-main);color:var(--text-main);height:100vh;overflow:hidden}.app-container{display:flex;height:100vh;width:100vw}.sidebar{width:var(--sidebar-width);background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;z-index:10}.sidebar-header{padding:32px 24px 20px;display:flex;flex-direction:column;gap:24px}.logo-container{display:flex;align-items:center;gap:12px}.minimal-logo{color:var(--accent-blue);display:flex;align-items:center}.app-title{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;color:var(--primary-color)}.new-chat-btn{width:100%;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;color:var(--text-main);font-weight:600;font-size:.9rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}.new-chat-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);background-color:#fff;border-color:var(--accent-blue);color:var(--accent-blue)}.new-chat-btn i{font-size:.8rem}.agent-selector{padding:16px 20px 24px}.agent-selector h3,.conversations-history h3{font-size:.7rem;font-weight:700;color:var(--text-light);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px;padding-left:8px}.agent-option{position:relative;padding:14px 16px;border-radius:14px;cursor:pointer;display:flex;align-items:center;gap:14px;margin-bottom:6px;transition:all .2s ease;border:1px solid transparent}.agent-option:hover{background-color:#ffffff80}.agent-option.active{background-color:var(--bg-card);border-color:var(--border-color);box-shadow:var(--shadow-sm)}.agent-icon-wrapper{width:36px;height:36px;background-color:var(--bg-secondary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--accent-blue);flex-shrink:0}.agent-option.active .agent-icon-wrapper{background-color:#3b82f61a}.agent-text{flex:1;font-weight:600;font-size:.95rem;color:var(--text-main)}.agent-actions{display:flex;align-items:center;gap:8px}.agent-info-btn{color:var(--text-light);cursor:help;font-size:.9rem;transition:color .2s;position:relative}.agent-info-btn:hover{color:var(--accent-blue)}.doc-count-tooltip{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%) translateY(10px);background:var(--primary-color);color:#fff;padding:12px;border-radius:12px;width:220px;font-size:.8rem;line-height:1.4;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all .2s ease;z-index:100;pointer-events:none}.doc-count-tooltip strong{display:block;margin-bottom:4px;color:var(--accent-blue)}.doc-count-tooltip small{display:block;color:#ffffffb3;font-weight:400}.agent-info-btn:hover .doc-count-tooltip{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.agent-dot{width:8px;height:8px;border-radius:50%}.dot-emerald{background-color:var(--accent-emerald)}.dot-amber{background-color:var(--accent-amber)}.dot-blue{background-color:var(--accent-blue)}.conversations-history{flex:1;overflow-y:auto;padding:0 20px}#conversationsList{list-style:none}.conv-item{padding:12px 14px;border-radius:12px;cursor:pointer;margin-bottom:4px;display:flex;align-items:center;justify-content:space-between;transition:all .2s ease;gap:12px}.conv-item:hover{background-color:#fff6}.conv-item.active{background-color:var(--bg-card);box-shadow:var(--shadow-sm)}.conv-text{flex:1;font-size:.88rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-main)}.conv-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.delete-conv-btn{background:transparent;border:none;color:var(--text-light);cursor:pointer;opacity:0;width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all .2s}.conv-item:hover .delete-conv-btn{opacity:1}.delete-conv-btn:hover{color:var(--accent-red);background-color:#fee2e2}.conv-tag{font-size:.65rem;font-weight:800;padding:2px 6px;border-radius:6px;background:#10b9811a;color:var(--accent-emerald)}.sidebar-footer{padding:20px;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:12px}.user-sidebar-panel{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:14px;box-shadow:var(--shadow-sm)}.user-info-row{display:flex;justify-content:space-between;align-items:center}.user-meta{display:flex;flex-direction:column;gap:2px;overflow:hidden}.user-name-display{font-size:.9rem;font-weight:700;color:var(--primary-color)}.user-email-display{font-size:.75rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-actions{display:flex;gap:4px}.profile-btn,.logout-btn{background:transparent;border:none;color:var(--text-muted);width:32px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.profile-btn:hover{background-color:var(--bg-secondary);color:var(--accent-blue)}.logout-btn:hover{background-color:#fee2e2;color:var(--accent-red)}.admin-btn{width:100%;padding:10px;background:var(--primary-color);color:#fff;border:none;border-radius:12px;font-size:.85rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}.admin-btn:hover{background-color:#1e293b;transform:translateY(-1px)}.qovant-branding{text-align:center;padding-top:4px}.brand-name{font-size:.7rem;font-weight:800;color:var(--text-light);letter-spacing:.15em;opacity:.6}.chat-area{flex:1;display:flex;flex-direction:column;background:#fff;position:relative}.chat-header{height:72px;padding:0 32px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;background:#fffc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:5}.active-agent-info{display:flex;align-items:center;gap:16px}.agent-tag{font-size:.7rem;font-weight:700;text-transform:uppercase;padding:4px 10px;border-radius:20px;background:var(--bg-secondary);color:var(--text-muted)}.agent-tag.tag-emerald{background-color:#10b9811a;color:var(--accent-emerald)}.agent-tag.tag-amber{background-color:#f59e0b1a;color:var(--accent-amber)}#currentAgentTitle{font-size:1.1rem;font-weight:700;color:var(--primary-color)}.messages-container{flex:1;overflow-y:auto;padding:40px 0;scroll-behavior:smooth}.welcome-screen{max-width:900px;margin:120px auto;text-align:center;padding:0 32px}.welcome-screen h1{font-size:1.8rem;font-weight:800;letter-spacing:-.03em;color:var(--primary-color);margin-bottom:14px;line-height:1;white-space:nowrap}.welcome-screen p{font-size:1rem;color:var(--text-muted);margin:0 auto;line-height:1.5;white-space:nowrap}.message{max-width:900px;width:100%;margin:0 auto 32px;padding:0 40px;display:flex;flex-direction:column}.message.user{align-items:flex-end}.message.user .message-content{background-color:var(--primary-color);color:#fff;padding:14px 22px;border-radius:20px 20px 4px;font-size:1rem;line-height:1.5;box-shadow:0 4px 12px #0f172a26}.message.assistant{align-items:flex-start}.message.assistant .message-content{background-color:transparent;color:var(--text-main);font-size:1.05rem;line-height:1.7}.message-content a{color:var(--accent-blue);text-decoration:none;font-weight:600}.message-content a:hover{text-decoration:underline}.message-content p{margin-bottom:12px}.message-content p:last-child{margin-bottom:0}.message-content ul,.message-content ol{margin-bottom:12px;padding-left:20px}.copy-msg-btn{margin-top:12px;background:#fff;border:1px solid var(--border-color);color:var(--text-muted);padding:6px 14px;border-radius:10px;font-size:.75rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s;opacity:0}.message.assistant:hover .copy-msg-btn{opacity:1}.copy-msg-btn:hover{background-color:var(--bg-sidebar);color:var(--accent-blue);border-color:var(--accent-blue)}.citations-block{margin-top:16px;padding:14px 16px;background:linear-gradient(135deg,#3b82f60a,#6366f10a);border:1px solid rgba(59,130,246,.15);border-radius:14px}.citations-header{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-blue);margin-bottom:10px;display:flex;align-items:center;gap:6px}.citations-list{display:flex;flex-direction:column;gap:6px}.citation-link{display:flex;align-items:center;gap:8px;padding:7px 12px;background:#fff;border:1px solid var(--border-color);border-radius:10px;color:var(--text-muted);text-decoration:none;font-size:.8rem;font-weight:500;transition:all .2s ease;overflow:hidden}.citation-link i{color:var(--accent-blue);font-size:.85rem;flex-shrink:0}.citation-link span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.citation-link:hover{background:#3b82f60f;border-color:var(--accent-blue);color:var(--accent-blue);transform:translate(2px)}.chat-input-area{padding:0 32px 40px;background:linear-gradient(0deg,#fff 60%,#fff0)}.input-wrapper{max-width:800px;margin:0 auto;display:flex;align-items:flex-end;gap:12px;background-color:#fff;border:1px solid var(--border-color);padding:10px 14px;border-radius:20px;box-shadow:var(--shadow-lg);transition:border-color .2s,box-shadow .2s}.input-wrapper:focus-within{border-color:var(--accent-blue);box-shadow:0 10px 25px -5px #3b82f61a,0 8px 10px -6px #3b82f61a}.attach-btn{background:transparent;border:none;color:var(--text-light);width:40px;height:40px;border-radius:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:all .2s}.attach-btn.active{color:var(--accent-blue);background-color:#3b82f61a}.attach-btn:hover{color:var(--accent-blue);background-color:var(--bg-sidebar)}#chatInput{flex:1;border:none;outline:none;resize:none;padding:10px 4px;font-family:inherit;font-size:1rem;line-height:1.4;max-height:200px}.send-btn{width:40px;height:40px;background-color:var(--primary-color);color:#fff;border:none;border-radius:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.send-btn:hover:not(:disabled){background-color:var(--accent-blue);transform:scale(1.05)}.send-btn:disabled{background-color:var(--bg-secondary);color:var(--text-light);cursor:default}.input-footer-text{text-align:center;font-size:.72rem;color:var(--text-light);margin-top:14px;white-space:nowrap}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a4d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000}.login-card,.user-form-card{background:#fff;padding:48px 40px;border-radius:28px;width:100%;max-width:420px;box-shadow:0 25px 50px -12px #00000040;text-align:center}.login-card h2{font-size:1.8rem;font-weight:800;margin:20px 0 8px}.login-card p{color:var(--text-muted);margin-bottom:32px}.form-group{text-align:left;margin-bottom:20px}.form-group label{display:block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:8px}.form-group input,.form-select{width:100%;padding:14px 18px;background-color:var(--bg-sidebar);border:1px solid transparent;border-radius:14px;font-size:1rem;outline:none;transition:all .2s}.form-group input:focus{background-color:#fff;border-color:var(--accent-blue);box-shadow:0 0 0 4px #3b82f61a}.login-btn{width:100%;padding:16px;background-color:var(--primary-color);color:#fff;border:none;border-radius:14px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s;margin-top:10px}.login-btn:hover{background-color:#1e293b;transform:translateY(-1px)}.error-msg{color:var(--accent-red);font-size:.85rem;margin-top:16px;font-weight:600}.modal-content.users-modal{background:#fff;width:90%;max-width:800px;height:80vh;border-radius:28px;padding:40px;display:flex;flex-direction:column;box-shadow:0 25px 50px -12px #00000040}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.modal-header h3{font-size:1.5rem;font-weight:800}.close-modal{background:var(--bg-secondary);border:none;width:36px;height:36px;border-radius:50%;font-size:1.25rem;cursor:pointer}.table-container{flex:1;overflow-y:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:16px;font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--text-light);border-bottom:1px solid var(--border-color)}td{padding:16px;border-bottom:1px solid var(--border-color)}.role-badge{padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:700;text-transform:capitalize}.role-admin{background:#6366f11a;color:var(--accent-indigo)}.role-guest{background:var(--bg-secondary);color:var(--text-muted)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-light)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message{animation:fadeIn .3s ease-out forwards}.mobile-menu-toggle{display:none}[hidden]{display:none!important}@media (max-width: 768px){body{overflow:hidden;height:100vh;height:100dvh}.app-container{position:relative;width:100vw;height:100vh;height:100dvh;overflow:hidden}.sidebar{position:fixed;top:0;left:0;height:100vh;height:100dvh;width:100vw;z-index:2000;background:#f1f5f9;overflow-y:auto;transform:translate(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);border-right:none;box-shadow:none}.sidebar.mobile-active{transform:translate(0)}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;z-index:1900;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;pointer-events:none}.sidebar-overlay.active{opacity:1;visibility:visible;pointer-events:all}.chat-area{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;height:100dvh;display:flex;flex-direction:column;background:#fff;z-index:1}.chat-header{flex-shrink:0;height:60px;padding:0 14px;gap:10px;border-bottom:1px solid var(--border-color)}.mobile-menu-toggle{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:40px;height:40px;border:1px solid var(--border-color);background:#fff;border-radius:10px;color:var(--primary-color);font-size:1.1rem;cursor:pointer}.active-agent-info{flex:1;gap:8px;overflow:hidden}#currentAgentTitle{font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.agent-tag{font-size:.6rem;padding:2px 8px;white-space:nowrap;flex-shrink:0}.messages-container{flex:1;overflow-y:auto;padding:20px 0 16px;-webkit-overflow-scrolling:touch}.message{padding:0 16px;max-width:100%;margin-bottom:20px}.message.user .message-content{max-width:85%;font-size:.9rem;padding:12px 16px}.message.assistant .message-content{font-size:.92rem;line-height:1.6}.welcome-screen{margin:40px auto;padding:0 16px;max-width:100%}.welcome-screen h1{font-size:clamp(.9rem,5vw,1.3rem);line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.welcome-screen p{font-size:clamp(.7rem,3.5vw,.9rem);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.input-footer-text{font-size:clamp(.55rem,2.5vw,.65rem);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-input-area{flex-shrink:0;padding:10px 14px 16px;background:#fff;border-top:1px solid var(--border-color);position:static}.input-wrapper{border-radius:14px;padding:8px 10px;gap:6px;box-shadow:var(--shadow-md)}#chatInput{font-size:.95rem;padding:6px 2px}.attach-btn,.send-btn{width:36px;height:36px;border-radius:10px;flex-shrink:0}}