:root{--font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--font-size-base:14px;--font-size-sm:12px;--font-size-lg:16px;--font-size-xs:11px}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.5;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-dark)}h1,h2,h3,h4,h5,h6{font-family:var(--font-family);font-weight:600;line-height:1.3}h1{font-size:1.75rem}h2{font-size:1.375rem}h3{font-size:1.125rem}h4{font-size:1rem}.btn{font-size:13px;font-weight:500;padding:.5rem 1rem;border-radius:20px;border:1px solid transparent;transition:all .25s ease;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);position:relative;overflow:hidden}.btn::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(255,255,255,.1)0,transparent 100%);pointer-events:none}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px 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img{filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));transition:transform .3s ease}.navbar img:hover{transform:scale(1.05)}:root{--primary-color:#6366f1;--primary-dark:#4f46e5;--primary-light:#a5b4fc;--secondary-color:#f8fafc;--border-color:#e2e8f0;--text-dark:#1e293b;--text-muted:#64748b;--success-color:#10b981;--danger-color:#ef4444;--warning-color:#f59e0b;--accent-color:#6366f1;--accent-light:#f1f5f9;--bg-primary:#ffffff;--bg-secondary:#f8fafc;--radius-xl:16px}#deleteConfirmModal .modal-content{border-radius:16px;border:1px solid var(--border-color);box-shadow:0 20px 60px rgba(0,0,0,.15);background:#fff}#deleteConfirmModal .modal-header{padding:1.5rem 1.5rem .75rem;border-bottom:none}#deleteConfirmModal .modal-title{font-size:1.125rem;font-weight:600;color:var(--text-dark);display:flex;align-items:center;gap:.5rem}#deleteConfirmModal .modal-title i{color:#ef4444;font-size:1.25rem}#deleteConfirmModal .modal-body{padding:.5rem 1.5rem 1.5rem}#deleteConfirmModal .modal-body 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.text-muted{color:var(--text-muted)!important;font-size:1.1rem}.main-app{height:100vh;display:block!important;visibility:visible!important;background-color:var(--secondary-color)}.main-app.d-none{display:flex!important;visibility:visible!important}#mainApp{display:flex!important;visibility:visible!important}#chatMessages{display:block!important;visibility:visible!important;position:relative}.chat-input-container{display:block!important;visibility:visible!important}.main-app.d-none{display:flex!important;visibility:visible!important}#mainApp.d-none,#chatMessages.d-none,.chat-input-container.d-none{display:flex!important;visibility:visible!important}#chatMessages.d-none{display:block!important}.chat-input-container.d-none{display:block!important}:root{--sidebar-width:280px}:root{--chat-max-width:980px;--chat-wide-max-width:1140px;--chat-gutter:1.5rem}body.with-sidebar-collapsed{--sidebar-width:80px}.main-app>.container-fluid>.row{display:flex;min-height:100vh;margin:0}.sidebar{background-color:var(--secondary-color);border-right:1px 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#e4e7ec!important;box-shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.06)!important;transition:border-color .16s ease,box-shadow .16s ease!important}.chat-input-wrapper:focus-within{border-color:rgba(99,102,241,.42)!important;box-shadow:0 0 0 3px rgba(99,102,241,.1),0 8px 24px rgba(16,24,40,.07)!important}.input-group .left-button-group,.input-group .left-button-group:hover{height:36px!important;padding:0!important;gap:2px!important;margin:0 0 7px 2px!important;border:0!important;border-radius:0!important;background:0 0!important;box-shadow:none!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}.input-group .left-button-group .web-toggle-btn::before,.input-group .left-button-group .dropdown .mode-btn::before,.input-group .left-button-group .file-attach-btn::before{display:none!important}.chat-input-wrapper .input-group .left-button-group .web-toggle-btn,.chat-input-wrapper .input-group .left-button-group .dropdown 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.file-attach-btn:hover:not(:disabled){background:rgba(24,24,27,.055)!important;color:#18181b!important}.chat-input-wrapper .input-group .left-button-group .file-attach-btn:disabled{opacity:.4!important;cursor:not-allowed!important}.left-button-group .web-toggle-btn:focus-visible,.left-button-group .mode-btn:focus-visible,.left-button-group .file-attach-btn:focus-visible{outline:2px solid rgba(99,102,241,.55)!important;outline-offset:2px!important}.chat-input-wrapper .input-group{gap:6px!important;padding:0!important}#messageInput.form-control{padding:14px 52px 14px 14px!important;caret-color:#6366f1!important}.chat-input-wrapper #messageInput.form-control::placeholder{color:#9ca3af!important;font-weight:400!important;letter-spacing:normal!important}#sendBtn{width:36px!important;height:36px!important;min-width:36px!important;min-height:36px!important;max-height:36px!important;bottom:6px!important;right:12px!important;background:linear-gradient(135deg,#4f6ef7 0,#3b5bdb 100%)!important;box-shadow:0 2px 6px rgba(37,99,235,.24)!important;transition:transform .16s ease,box-shadow .16s ease,background .16s ease!important}#sendBtn:hover:not(:disabled){background:linear-gradient(135deg,#4058e0 0,#2f4bc4 100%)!important;transform:scale(1.03)!important;box-shadow:0 4px 10px rgba(37,99,235,.28)!important}#sendBtn:active:not(:disabled){transform:scale(.96)!important;box-shadow:0 1px 3px rgba(37,99,235,.24)!important}#sendBtn:disabled{background:#e4e7ec!important;color:#a1a1aa!important;box-shadow:none!important;transform:none!important;cursor:not-allowed!important}#sendBtn:focus-visible{outline:2px solid rgba(79,110,247,.55)!important;outline-offset:2px!important}.mode-menu{min-width:220px;padding:6px;border-radius:14px;border:1px solid #e4e7ec;background:#fff;box-shadow:0 12px 32px rgba(15,23,42,.12),0 2px 8px rgba(15,23,42,.05)}.mode-menu .dropdown-item{display:flex;align-items:center;gap:10px;padding:9px 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transparent;border-top-color:#18181b}:root[data-theme=dark] .chat-input-wrapper,body[data-theme=dark] .chat-input-wrapper{border-color:rgba(255,255,255,.1)!important;box-shadow:0 2px 12px rgba(0,0,0,.22)!important}:root[data-theme=dark] .chat-input-wrapper:focus-within,body[data-theme=dark] .chat-input-wrapper:focus-within{border-color:rgba(165,180,252,.45)!important;box-shadow:0 0 0 3px rgba(129,140,248,.16),0 4px 16px rgba(0,0,0,.3)!important}:root[data-theme=dark] .left-button-group .web-toggle-btn,:root[data-theme=dark] .left-button-group .dropdown .mode-btn,:root[data-theme=dark] .left-button-group .file-attach-btn{color:#c7cbd1!important}:root[data-theme=dark] .left-button-group .web-toggle-btn:hover,:root[data-theme=dark] .left-button-group .dropdown .mode-btn:hover,:root[data-theme=dark] .left-button-group .file-attach-btn:hover:not(:disabled){background:rgba(255,255,255,.075)!important;color:#f4f4f5!important}:root[data-theme=dark] .left-button-group 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.mode-caret{color:currentColor!important}:root[data-theme=dark] .mode-menu{background:#1b2028;border-color:rgba(255,255,255,.1);box-shadow:0 16px 40px rgba(0,0,0,.45),0 2px 8px rgba(0,0,0,.3)}:root[data-theme=dark] .mode-menu .dropdown-item{color:#d4d4d8}:root[data-theme=dark] .mode-menu .dropdown-item:hover,:root[data-theme=dark] .mode-menu .dropdown-item:focus,:root[data-theme=dark] .mode-menu .dropdown-item[aria-checked=true]{background:rgba(165,180,252,.12);color:#c7d2fe}:root[data-theme=dark] .mode-menu .dropdown-item .check-icon{color:#a5b4fc}:root[data-theme=dark] #messageInput.form-control{color:#f4f4f5!important;caret-color:#a5b4fc!important}:root[data-theme=dark] .chat-input-wrapper #messageInput.form-control::placeholder{color:#8b95a5!important}:root[data-theme=dark] #sendBtn:disabled{background:rgba(255,255,255,.1)!important;color:rgba(255,255,255,.3)!important}:root[data-theme=dark] .file-attach-tooltip{background:#0f1115;color:#f4f4f5;border:1px solid rgba(255,255,255,.1)}:root[data-theme=dark] .file-attach-tooltip::after{border-top-color:#0f1115}@media (max-width:575.98px){.chat-input-wrapper{border-radius:26px!important}.chat-input-wrapper .input-group .left-button-group .dropdown .mode-btn{padding:0 6px!important}.composer-divider{margin:0 2px!important}.file-attach-tooltip{width:240px!important;max-width:calc(100vw - 104px)!important}}@media (max-width:479.98px){.input-group .left-button-group{margin-left:0!important;gap:2px!important}.chat-input-wrapper .input-group .left-button-group .web-toggle-btn{padding:0 10px!important}#messageInput.form-control{padding:14px 52px 14px 13px!important}}#sendBtn,#stopBtn{width:36px!important;height:36px!important;min-width:36px!important;min-height:36px!important;max-height:36px!important;bottom:6px!important;right:12px!important}.chat-input-wrapper .input-group .left-button-group .dropdown .file-attach-tooltip{position:absolute !important;top:auto !important;bottom:calc(100%+8px) !important;left:50% !important;transform:translateX(-50%) !important;width:270px !important;max-width:calc(100vw - 40px) !important;padding:8px 10px !important;border-radius:8px !important;background:#18181b !important;color:#fafafa !important;font-size:12px !important;line-height:1.4 !important;text-align:center !important;white-space:normal !important;box-shadow:0 8px 24px rgba(0,0,0,0.2) !important;pointer-events:none !important;z-index:3500 !important;opacity:0 !important;visibility:hidden !important;transition:opacity 0.15s ease,visibility 0.15s ease !important}.chat-input-wrapper .input-group .left-button-group .dropdown .file-attach-tooltip::after{content:"" !important;position:absolute !important;top:100% !important;left:50% !important;transform:translateX(-50%) !important;border:6px solid transparent !important;border-top-color:#18181b !important}.chat-input-wrapper .input-group .left-button-group .dropdown li:hover .file-attach-tooltip,.chat-input-wrapper .input-group .left-button-group .dropdown li:focus-within .file-attach-tooltip,.chat-input-wrapper .input-group .left-button-group .dropdown .file-attach-btn:disabled+.file-attach-tooltip{opacity:1 !important;visibility:visible !important}:root[data-theme="dark"] .chat-input-wrapper .input-group .left-button-group .dropdown .file-attach-tooltip{background:#18181b !important}:root[data-theme="dark"] .chat-input-wrapper .input-group .left-button-group .dropdown .file-attach-tooltip::after{border-top-color:#18181b !important}.wlc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:0.75rem;max-width:1100px;margin:0 auto}.wlc-item{display:contents}.wlc-card{display:flex;align-items:center;gap:0.75rem;padding:0.7rem 1rem;height:100%;min-height:80px;max-height:80px;border:1px solid var(--border-color);border-radius:12px;background:var(--bg-card);color:var(--text-dark);text-align:right;cursor:pointer;transition:all 0.2s ease;box-shadow:0 1px 3px rgba(0,0,0,0.04)}.wlc-card:hover{border-color:var(--primary);box-shadow:0 4px 12px rgba(99,102,241,0.12);transform:translateY(-2px)}.wlc-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.wlc-card-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;flex-shrink:0;border-radius:8px;background:var(--primary-light);color:var(--primary);font-size:1rem;box-shadow:0 2px 6px rgba(99,102,241,0.2)}.wlc-card-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}.wlc-card-title{font-size:0.85rem;font-weight:600;line-height:1.3;margin-bottom:0.15rem;color:var(--text-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wlc-card-desc{font-size:0.7rem;line-height:1.3;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.wlc-card-badge{display:inline-flex;align-items:center;gap:0.2rem;margin-top:0.25rem;padding:0.15rem 0.45rem;font-size:0.6rem;font-weight:500;border-radius:6px;background:var(--bg-light);color:var(--text-muted);border:1px solid var(--border-color);width:fit-content}:root[data-theme="dark"] .wlc-card{background:var(--bg-card-dark);border-color:var(--border-dark);color:var(--text-light);box-shadow:0 1px 3px rgba(0,0,0,0.2)}:root[data-theme="dark"] .wlc-card:hover{border-color:var(--primary);box-shadow:0 4px 12px rgba(99,102,241,0.2)}:root[data-theme="dark"] .wlc-card-badge{background:var(--bg-dark);border-color:var(--border-dark);color:var(--text-muted)}:root[data-theme="dark"] .wlc-card-icon{background:rgba(129,140,248,0.2);color:var(--primary-light);box-shadow:0 2px 6px rgba(129,140,248,0.3)}