.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#075e54,#128c7e);padding:20px}.login-box{background:#fff;border-radius:16px;box-shadow:0 10px 40px #0003;width:100%;max-width:450px;padding:40px;animation:slideUp .5s ease}.login-header{text-align:center;margin-bottom:30px}.login-icon{color:var(--secondary-color);margin-bottom:16px}.login-header h1{font-size:28px;color:var(--text-primary);margin-bottom:8px}.login-header p{color:var(--text-secondary);font-size:14px}.login-form{display:flex;flex-direction:column;gap:20px}.form-group input{padding:12px 16px;border-radius:8px;border:2px solid var(--border-color);font-size:14px;transition:all .3s}.form-group input:focus{border-color:var(--secondary-color);box-shadow:0 0 0 3px #128c7e1a}.login-button{padding:14px;background-color:var(--secondary-color);color:#fff;border-radius:8px;font-size:16px;font-weight:600;transition:all .3s;display:flex;align-items:center;justify-content:center;gap:8px}.login-button:hover:not(:disabled){background-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 12px #128c7e66}.login-button:active:not(:disabled){transform:translateY(0)}.spinner-icon{animation:spin 1s linear infinite}.login-footer{margin-top:24px;text-align:center;font-size:14px;color:var(--text-secondary)}.login-footer a{color:var(--secondary-color);text-decoration:none;font-weight:600}.login-footer a:hover{text-decoration:underline}.connection-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#075e54,#128c7e);padding:20px}.connection-box{background:#fff;border-radius:16px;box-shadow:0 10px 40px #0003;width:100%;max-width:600px;overflow:hidden}.connection-header{padding:24px;background-color:var(--primary-color);color:#fff;display:flex;justify-content:space-between;align-items:center}.header-title{display:flex;align-items:center;gap:12px}.header-title h1{font-size:24px;margin:0}.logout-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;background-color:#fff3;color:#fff;border-radius:6px;font-size:14px;transition:background-color .3s}.logout-btn:hover{background-color:#ffffff4d}.loading-state,.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:16px}.loading-state .spinner-icon{animation:spin 1s linear infinite;color:var(--secondary-color)}.error-state{color:var(--text-secondary)}.error-state svg{color:#e74c3c}.retry-btn{display:flex;align-items:center;gap:8px;padding:12px 24px;background-color:var(--secondary-color);color:#fff;border-radius:8px;margin-top:16px;transition:all 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slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:20px;background-color:var(--primary-color);color:#fff;display:flex;justify-content:space-between;align-items:center;border-radius:12px 12px 0 0}.modal-header h2{margin:0;font-size:20px}.modal-close{background:none;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .2s}.modal-close:hover{opacity:.8}.modal-form{padding:24px;display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:600;color:var(--text-primary)}.form-group input{padding:12px 16px;border:2px solid var(--border-color);border-radius:8px;font-size:14px;transition:border-color .2s}.form-group input:focus{border-color:var(--secondary-color);outline:none}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}.form-group 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768px){.chat-container{flex-direction:column}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #075e54;--secondary-color: #128c7e;--accent-color: #25d366;--bg-color: #f0f2f5;--chat-bg: #e5ddd5;--message-sent: #dcf8c6;--message-received: #ffffff;--text-primary: #303030;--text-secondary: #667781;--border-color: #d1d7db;--hover-color: #f5f6f4}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6}#root{width:100%;height:100vh}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}button{cursor:pointer;border:none;outline:none;font-family:inherit}button:disabled{cursor:not-allowed;opacity:.6}input,textarea{font-family:inherit;border:1px solid var(--border-color);outline:none}input:focus,textarea:focus{border-color:var(--secondary-color)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner{border:3px solid #f3f3f3;border-top:3px solid var(--secondary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}