@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap";:root{--bg-dark:#0f172a;--bg-darker:#020617;--bg-panel:#1e293bb3;--bg-card:#1e293b66;--primary:#6366f1;--primary-hover:#4f46e5;--primary-glow:#6366f166;--secondary:#ec4899;--text-main:#f8fafc;--text-muted:#94a3b8;--border-light:#ffffff14;--border-glow:#6366f133;--success:#10b981;--error:#ef4444;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-glow:0 0 20px var(--primary-glow);--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-darker);color:var(--text-main);background-image:radial-gradient(at 0 0,#6366f126 0,#0000 50%),radial-gradient(at 100% 100%,#ec48991a 0,#0000 50%);background-attachment:fixed;min-height:100vh;font-family:Inter,sans-serif;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif;font-weight:600}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}button{cursor:pointer;border:none;outline:none;font-family:Inter,sans-serif}.glass{background:var(--bg-panel);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-light)}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border-light);border-radius:var(--radius-lg);transition:transform .3s,box-shadow .3s,border-color .3s}.glass-card:hover{box-shadow:var(--shadow-lg);border-color:var(--border-glow);transform:translateY(-2px)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#94a3b84d;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#94a3b880}.input-group{margin-bottom:1.5rem}.input-label{color:var(--text-muted);margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.input-field{border:1px solid var(--border-light);border-radius:var(--radius-md);width:100%;color:var(--text-main);background:#0f172a99;padding:.75rem 1rem;font-family:Inter,sans-serif;font-size:.95rem;transition:all .2s}.input-field:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #6366f133}.input-field::placeholder{color:#94a3b880}.btn{border-radius:var(--radius-md);justify-content:center;align-items:center;width:100%;padding:.75rem 1.5rem;font-size:.95rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-hover));color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{color:var(--text-main);border:1px solid var(--border-light);background:0 0}.btn-secondary:hover{border-color:var(--text-muted);background:#ffffff0d}.auth-container{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.auth-box{border-radius:var(--radius-2xl);text-align:center;width:100%;max-width:420px;padding:2.5rem}.auth-header{margin-bottom:2rem}.auth-title{background:linear-gradient(90deg,#fff,#94a3b8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2rem}.auth-subtitle{color:var(--text-muted);font-size:.9rem}.app-container{gap:1rem;height:100vh;padding:1rem;display:flex}.sidebar{border-radius:var(--radius-xl);flex-direction:column;flex-shrink:0;width:320px;display:flex;overflow:hidden}.sidebar-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.sidebar-title{font-size:1.25rem}.sidebar-content{flex:1;padding:1rem;overflow-y:auto}.sidebar-footer{border-top:1px solid var(--border-light);align-items:center;gap:1rem;padding:1rem;display:flex}.chat-area{border-radius:var(--radius-xl);flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.chat-messages{flex-direction:column;flex:1;gap:1rem;padding:1.5rem;display:flex;overflow-y:auto}.chat-input-area{border-top:1px solid var(--border-light);padding:1rem}.chat-input-form{gap:.5rem;display:flex}.chat-input-form .input-field{border-radius:var(--radius-2xl);padding:.75rem 1.25rem}.send-btn{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:45px;height:45px;transition:all .2s;display:flex}.send-btn:hover{background:var(--primary-hover);transform:scale(1.05)}.message{flex-direction:column;max-width:70%;display:flex}.message.self{align-self:flex-end}.message.other{align-self:flex-start}.message-bubble{border-radius:var(--radius-lg);padding:.75rem 1rem;font-size:.95rem;line-height:1.4;position:relative}.message.self .message-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:.25rem}.message.other .message-bubble{background:var(--bg-card);border:1px solid var(--border-light);border-bottom-left-radius:.25rem}.message-meta{color:var(--text-muted);gap:.5rem;margin-top:.25rem;font-size:.75rem;display:flex}.message.self .message-meta{justify-content:flex-end}.message.system{color:var(--text-muted);text-align:center;background:0 0;align-self:center;padding:.5rem;font-size:.8rem}.list-item{border-radius:var(--radius-md);cursor:pointer;align-items:center;gap:.75rem;padding:.75rem;transition:background .2s;display:flex}.list-item:hover{background:#ffffff0d}.list-item.active{border-left:3px solid var(--primary);background:#6366f126}.avatar{background:var(--primary-hover);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-weight:600;display:flex;position:relative}.online-indicator{background:var(--success);border:2px solid var(--bg-panel);border-radius:50%;width:12px;height:12px;position:absolute;bottom:0;right:0}.item-info{flex:1;overflow:hidden}.item-name{white-space:nowrap;text-overflow:ellipsis;font-weight:500;overflow:hidden}.item-sub{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;overflow:hidden}.error-msg{color:var(--error);text-align:center;margin-top:-1rem;margin-bottom:1rem;font-size:.875rem}.mb-4{margin-bottom:1rem}.mt-4{margin-top:1rem}.text-center{text-align:center}@media (width<=768px){.app-container{flex-direction:column;gap:0;padding:0}.sidebar{border-radius:0;width:100%;height:100vh}.chat-area{z-index:10;background:var(--bg-dark);border-radius:0;width:100%;height:100vh;position:fixed;top:0;left:0}}