:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#030712;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}html,body,#root,#app{height:100%;width:100%;overflow:hidden}body{background-color:#030712;color:#f9fafb}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0000001a}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#fff3}.auth-container{max-width:400px;margin:100px auto;padding:2.5rem;border-radius:12px;background-color:#111827;box-shadow:0 25px 50px -12px #00000080;border:1px solid rgba(255,255,255,.05)}.form-group{margin-bottom:1.5rem;text-align:left}.form-group label{display:block;margin-bottom:.5rem;font-size:.85rem;font-weight:700;color:#9ca3af;text-transform:uppercase;letter-spacing:.05em}.form-group input{width:100%;padding:.75rem 1rem;border-radius:8px;border:1px solid #374151;background-color:#030712;color:#fff;transition:border-color .2s;outline:none}.form-group input:focus{border-color:#3b82f6}button{width:100%;padding:.75rem 1.5rem;border-radius:8px;border:none;background:linear-gradient(to bottom right,#3b82f6,#1d4ed8);color:#fff;font-weight:700;cursor:pointer;transition:all .2s;box-shadow:0 4px 6px -1px #0000001a}button:hover{transform:translateY(-1px);box-shadow:0 10px 15px -3px #0003}button:active{transform:translateY(0)}button:disabled{background:#374151;cursor:not-allowed;transform:none;opacity:.7}.link-button{background:none;border:none;color:#3b82f6;padding:0;width:auto;font-weight:600;text-decoration:none;display:inline;box-shadow:none}.link-button:hover{text-decoration:underline;transform:none;box-shadow:none}.chat-box{display:flex;flex-direction:column;height:100%;flex:1;min-width:0}.chat-header{height:56px;padding:0 24px;background:#0f172a80;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.chat-header h3{margin:0;font-size:16px;font-weight:800;color:#f9fafb}.status-indicator{font-size:11px;font-weight:700;padding:2px 8px;border-radius:9999px;text-transform:uppercase;letter-spacing:.05em}.online{background:#10b9811a;color:#10b981;border:1px solid rgba(16,185,129,.2)}.offline{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.2)}.message-list{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.message{max-width:85%;display:flex;flex-direction:column;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.own-message{align-self:flex-end;align-items:flex-end}.sender{font-size:13px;font-weight:700;color:#f9fafb;margin-bottom:4px;margin-left:4px}.own-message .sender{margin-right:4px}.content{padding:10px 16px;background-color:#1f2937;border-radius:4px 16px 16px;font-size:15px;line-height:1.5;color:#d1d5db;box-shadow:0 2px 4px #0000001a}.own-message .content{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border-top-left-radius:16px;border-top-right-radius:4px;box-shadow:0 4px 12px #3b82f64d}.timestamp{font-size:11px;color:#6b7280;margin-top:4px;margin-left:4px}.own-message .timestamp{margin-right:4px}.chat-input{padding:20px 24px;background:transparent;display:flex;gap:12px;flex-shrink:0}.chat-input input{flex:1;padding:12px 20px;border-radius:12px;border:1px solid #374151;background-color:#111827;color:#fff;outline:none;font-size:15px;transition:all .2s}.chat-input input:focus{border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f633}.chat-input button{width:auto;padding:0 24px}.loading-screen{height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:#030712}.spinner{width:48px;height:48px;border:4px solid rgba(59,130,246,.1);border-top:4px solid #3b82f6;border-radius:50%;animation:spin 1s cubic-bezier(.53,.21,.29,.67) infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}