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rgba(255,255,255,.3);border-radius:50%;border-top-color:var(--eg-blue);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.chat-section{flex:1;display:flex;flex-direction:column;transition:all .3s ease-in-out;padding:15px;width:100%;margin-left:0;transition:margin-left .3s ease,width .3s ease}.chat-section.with-sidebar{margin-left:260px;width:calc(100% - 260px)}.chat-section.fullwidth{margin-left:60px;width:calc(100% - 60px)}@media screen and (max-width: 768px){.chat-section,.chat-section.with-sidebar,.chat-section.fullwidth{margin-left:0;width:100%}}.placeholder{display:flex;justify-content:center;align-items:center;flex-grow:1;font-size:18px;color:#e0e0e0;background:linear-gradient(to bottom,#3a3a6a,#2a2a5a);border-radius:10px;box-shadow:0 4px 15px #0000004d;border:1px solid #4a4a8a}.app-container.dark .placeholder{background-color:#0f3460;color:#fff}.min-h-screen{min-height:100vh}.bg-gradient-to-br{background-image:linear-gradient(to bottom right,var(--tw-gradient-from),var(--tw-gradient-to, rgba(0, 64, 128, 0)))}.from-eg-darkblue{--tw-gradient-from: var(--eg-darkblue)}.to-eg-lightblue{--tw-gradient-to: var(--eg-lightblue)}.login-container{max-width:28rem;width:100%}.login-card{background-color:#fff;border-radius:.5rem;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;padding:2rem}.dark .login-card{background-color:#1a202c}.login-header{margin-bottom:2rem;text-align:center}.login-logo{height:4rem;margin-bottom:1rem;margin-left:auto;margin-right:auto}.login-title{font-size:1.5rem;font-weight:600;color:#2d3748}.dark .login-title{color:#fff}.login-subtitle{color:#718096;margin-top:.5rem}.dark .login-subtitle{color:#a0aec0}.login-button{width:100%;background-color:var(--eg-blue);color:#fff;font-weight:500;padding:.75rem 1rem;border-radius:.5rem;transition:background-color .2s;display:flex;align-items:center;justify-content:center}.login-button:hover{background-color:var(--eg-darkblue)}.login-button svg{margin-right:.5rem}.login-footer{margin-top:1.5rem;text-align:center;font-size:.875rem;color:#718096}.dark .login-footer{color:#a0aec0}.animate-spin{animation:spin 1s linear infinite}@media screen and (max-width: 768px){.chat-section{margin-left:0}.chat-section.expanded{margin-left:var(--sidebar-width)}.chat-section.collapsed{width:100%;margin-left:var(--sidebar-collapsed-width)}.chat-section.with-sidebar{width:100%}.sidebar.mobile-visible{transform:translate(0)}}