:root{--font-family:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--primary:#6a47d1;--primary-hover:#7857db;--primary-soft:#6a47d11a;--sidebar-bg:#0f1729;--sidebar-hover:#182543;--sidebar-text:#b8cce0;--sidebar-active:#f8fafc;--bg-main:#f8fafc;--bg-card:#fff;--text-main:#0f1729;--text-soft:#65758b;--text-muted:#94a3b8;--border:#e1e7ef;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--transition:.2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}body{font-family:var(--font-family);background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{min-height:100vh;display:flex}.app-shell{min-width:0}.main-content{transition:padding var(--transition);flex-grow:1;padding:2rem}@media (width<=768px){.sidebar{width:88px}.sidebar:not(.collapsed){width:220px}.main-content{padding:1rem}.header{padding:0 1rem}.header-right{gap:.75rem}}h1,h2,h3,h4{color:var(--text-main);font-weight:600}p{line-height:1.6}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:transform var(--transition), box-shadow var(--transition);padding:1.5rem}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:none;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-family:inherit;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s forwards fadeIn}.lang-switcher{gap:.5rem;display:flex}.sidebar{background:var(--sidebar-bg);width:260px;color:var(--sidebar-text);height:100vh;transition:width var(--transition);flex-direction:column;display:flex;position:sticky;top:0}.sidebar.collapsed{width:88px}.sidebar-header{color:#fff;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;gap:.75rem;padding:1.5rem;font-size:1.25rem;font-weight:700;display:flex}.sidebar-brand{align-items:center;min-width:0;display:flex;overflow:hidden}.sidebar-brand-full,.sidebar-brand-compact{white-space:nowrap;transition:opacity var(--transition), transform var(--transition), width var(--transition)}.sidebar-brand-compact,.sidebar.collapsed .sidebar-brand-full{opacity:0;width:0;transform:translate(-8px)}.sidebar.collapsed .sidebar-brand-compact{opacity:1;width:auto;transform:translate(0)}.sidebar-toggle,.header-toggle{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);border:1px solid #0000;justify-content:center;align-items:center;display:inline-flex}.sidebar-toggle{color:#fff;background:#ffffff14;flex-shrink:0;width:36px;height:36px}.sidebar-toggle:hover{background:#ffffff29}.sidebar-nav{flex-grow:1;padding:1rem}.nav-item{border-radius:var(--radius-md);transition:var(--transition);cursor:pointer;align-items:center;gap:.75rem;margin-bottom:.25rem;padding:.75rem 1rem;display:flex}.nav-label{white-space:nowrap;transition:opacity var(--transition), width var(--transition);overflow:hidden}.sidebar.collapsed .nav-item{justify-content:center;padding-inline:.75rem}.sidebar.collapsed .nav-label{opacity:0;width:0}.nav-item:hover{background:var(--sidebar-hover);color:#fff}.nav-item.active{background:var(--primary);color:#fff}.sidebar-footer{border-top:1px solid #ffffff0d;padding:1rem}.header{border-bottom:1px solid var(--border);z-index:10;-webkit-app-region:drag;background:#fff;justify-content:space-between;align-items:center;height:64px;padding:0 2rem;display:flex;position:sticky;top:0}.header-left{-webkit-app-region:no-drag;min-width:0}.header-right{-webkit-app-region:no-drag;align-items:center;gap:1.5rem;display:flex}.header-toggle{width:36px;height:36px;color:var(--text-soft);border-color:var(--border);background:#fff;position:absolute;left:8px}.header-toggle:hover{color:var(--text-main);background:var(--bg-main)}.window-controls{align-items:center;gap:.5rem;margin-left:.25rem;display:flex}.window-control-button{border:1px solid var(--border);width:34px;height:34px;color:var(--text-soft);cursor:pointer;transition:var(--transition);background:#fff;border-radius:10px;justify-content:center;align-items:center;font-family:inherit;display:inline-flex}.window-control-button:hover{background:var(--bg-main);color:var(--text-main)}.window-control-button-close:hover{color:#dc2626;background:#fee2e2;border-color:#fecaca}.flex-center{justify-content:center;align-items:center;display:flex}.gap-2{gap:.5rem}.chat-container{border:1px solid var(--border);border-radius:var(--radius-lg);height:calc(100vh - 160px);box-shadow:var(--shadow-sm);background:#fff;margin-top:1rem;display:flex;overflow:hidden}.chat-sidebar{border-right:1px solid var(--border);flex-direction:column;flex:0 0 320px;width:320px;min-width:320px;max-width:320px;display:flex;overflow:hidden}.chat-list{flex-grow:1;overflow-y:auto}.chat-item{cursor:pointer;transition:var(--transition);border-bottom:1px solid var(--border);gap:1rem;padding:1rem;display:flex}.chat-item:hover{background:var(--bg-main)}.chat-item.active{background:var(--primary-soft);border-left:4px solid var(--primary)}.chat-window{background:var(--bg-main);flex-direction:column;flex:auto;min-width:0;display:flex;overflow:hidden}.chat-window-header{z-index:1;flex:none;min-height:68px;position:relative;box-shadow:0 1px #0f17290a}.chat-messages{flex-grow:1;padding:1.5rem;overflow-y:auto}.chat-thread{flex-direction:column;justify-content:flex-end;gap:1rem;min-height:100%;display:flex}.message-bubble{border-radius:var(--radius-lg);max-width:70%;padding:.8rem 1.2rem;font-size:.95rem;position:relative}.message-sent{background:var(--primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.message-received{color:var(--text-main);box-shadow:var(--shadow-sm);background:#fff;border-bottom-left-radius:4px;align-self:flex-start}.chat-input-area{border-top:1px solid var(--border);background:#fff;align-items:center;gap:1rem;padding:1rem 1.5rem;display:flex}.messages-layout-shell{background:#fff;min-width:0;height:100%}.messages-layout-main{grid-template-columns:320px minmax(0,1fr);align-items:stretch;min-width:0;height:100%;display:grid;overflow:hidden}.messages-chat-detail{flex-direction:column;min-width:0;height:100%;display:flex;overflow:hidden}.messages-active-chat-header{z-index:2;isolation:isolate;flex:none;min-height:72px;position:relative;box-shadow:0 1px #0f17290a}@media (width<=1280px){.chat-sidebar{flex-basis:280px;width:280px;min-width:280px;max-width:280px}.messages-layout-main{grid-template-columns:280px minmax(0,1fr)}}.avatar{background:var(--border);width:44px;height:44px;color:var(--text-soft);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:600;display:flex;position:relative}.status-dot{border:2px solid #fff;border-radius:50%;width:12px;height:12px;position:absolute;bottom:0;right:0}.status-online{background:#10b981}.status-offline{background:#cbd5e1}.table-row-hover:hover{background-color:var(--bg-main);transition:var(--transition)}.table th{color:var(--text-soft);text-transform:uppercase;letter-spacing:.025em;font-size:.8rem;font-weight:600}.table td{vertical-align:middle}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}