diff --git a/hotel-management/package.json b/hotel-management/package.json
index bdb9e49..546ed0d 100644
--- a/hotel-management/package.json
+++ b/hotel-management/package.json
@@ -20,6 +20,10 @@
     "*.tsx": [
       "pnpm run lint",
       "pnpm run format"
+    ],
+    "*.ts": [
+      "pnpm run lint",
+      "pnpm run format"
     ]
   },
   "dependencies": {
diff --git a/hotel-management/src/commons/styles/Button.ts b/hotel-management/src/commons/styles/Button.ts
index 40ca5b3..11d30f4 100644
--- a/hotel-management/src/commons/styles/Button.ts
+++ b/hotel-management/src/commons/styles/Button.ts
@@ -1,15 +1,35 @@
-import styled from 'styled-components';
+import styled, { css } from 'styled-components';
 
-const Button = styled.button`
+interface IButtonStyle {
+  styled?: 'primary' | 'secondary';
+}
+
+const Button = styled.button<IButtonStyle>`
   padding: 10px 20px;
 
-  background-color: var(--primary-color);
-  color: var(--light-text);
   text-transform: uppercase;
-  font-weight: 500;
+  font-weight: 600;
+
   cursor: pointer;
 
   border-radius: var(--radius-md);
+
+  ${(props) =>
+    props.styled === 'primary' &&
+    css`
+      background-color: var(--primary-color);
+      color: var(--light-text);
+    `}
+
+  ${(props) =>
+    props.styled === 'secondary' &&
+    css`
+      background-color: var(--secondary-btn-color);
+    `}
 `;
 
+Button.defaultProps = {
+  styled: 'primary',
+};
+
 export default Button;
diff --git a/hotel-management/src/commons/styles/CommonInput.ts b/hotel-management/src/commons/styles/CommonInput.ts
new file mode 100644
index 0000000..d854062
--- /dev/null
+++ b/hotel-management/src/commons/styles/CommonInput.ts
@@ -0,0 +1,12 @@
+import { css } from 'styled-components';
+
+const CommonInput = css`
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-sm);
+  padding: 10px 20px;
+  font-size: var(--fs-sm-x);
+
+  width: 200px;
+`;
+
+export default CommonInput;
diff --git a/hotel-management/src/commons/styles/Input.ts b/hotel-management/src/commons/styles/Input.ts
new file mode 100644
index 0000000..f1350ab
--- /dev/null
+++ b/hotel-management/src/commons/styles/Input.ts
@@ -0,0 +1,10 @@
+import styled from 'styled-components';
+
+// Styled
+import CommonInput from './CommonInput';
+
+const Input = styled.input`
+  ${CommonInput}
+`;
+
+export default Input;
diff --git a/hotel-management/src/commons/styles/TextArea.ts b/hotel-management/src/commons/styles/TextArea.ts
new file mode 100644
index 0000000..dc70668
--- /dev/null
+++ b/hotel-management/src/commons/styles/TextArea.ts
@@ -0,0 +1,10 @@
+import styled from 'styled-components';
+
+// Styled
+import CommonInput from './CommonInput';
+
+const TextArea = styled.textarea`
+  ${CommonInput}
+`;
+
+export default TextArea;
diff --git a/hotel-management/src/globals/interfaces.ts b/hotel-management/src/globals/interfaces.ts
index 6dbad0e..e604962 100644
--- a/hotel-management/src/globals/interfaces.ts
+++ b/hotel-management/src/globals/interfaces.ts
@@ -1,21 +1,30 @@
-export interface IMenusContext {
+interface IMenusContext {
   openId?: string;
   close?: () => void;
   open?: React.Dispatch<React.SetStateAction<string>>;
 }
 
-export interface IButton {
+interface IButton {
   children?: string;
   icon?: JSX.Element;
   onClick?: () => void;
 }
 
-export interface ITable {
+interface ITable {
   columns?: string;
   children: React.ReactNode;
 }
 
-export interface ITableBody<T> {
+interface ITableBody<T> {
   data?: T[];
   render?: (value: T) => JSX.Element;
 }
+
+interface IDialogProps {
+  title?: string;
+  children?: JSX.Element[] | JSX.Element;
+  onClose?: () => void;
+  ref?: React.MutableRefObject<HTMLDialogElement | undefined>;
+}
+
+export type { IMenusContext, IButton, ITable, ITableBody, IDialogProps };
diff --git a/hotel-management/src/globals/types.ts b/hotel-management/src/globals/types.ts
index 3f870af..1288023 100644
--- a/hotel-management/src/globals/types.ts
+++ b/hotel-management/src/globals/types.ts
@@ -1,4 +1,4 @@
-export type TUser = {
+type TUser = {
   id: string;
   name: string;
   identifiedCode: string;
@@ -6,3 +6,28 @@ export type TUser = {
   phone: string;
   roomId: string;
 };
+
+type TStateSchema = {
+  [key: string]: {
+    value?: string;
+    error?: string;
+  };
+};
+
+type TKeyValue = {
+  [key: string]: string | undefined | boolean;
+};
+
+type TPropValues = 'value' | 'error' | boolean;
+
+type TValidator = {
+  [key: string]: {
+    required?: boolean;
+    validator?: {
+      func?: (value: string) => boolean;
+      error?: string;
+    };
+  };
+};
+
+export type { TUser, TStateSchema, TKeyValue, TPropValues, TValidator };
diff --git a/hotel-management/src/helpers/utils.ts b/hotel-management/src/helpers/utils.ts
new file mode 100644
index 0000000..767a3d0
--- /dev/null
+++ b/hotel-management/src/helpers/utils.ts
@@ -0,0 +1,37 @@
+import { TKeyValue, TPropValues, TStateSchema } from '../globals/types';
+
+const VALUE = 'value';
+const ERROR = 'error';
+const REQUIRED_FIELD_ERROR = 'This is required field';
+
+const isBool = (value: unknown) => {
+  return typeof value === 'boolean';
+};
+
+const isObject = (value: unknown) => {
+  return typeof value === 'object' && value !== null;
+};
+
+const isRequired = (value: string | number, isRequired: unknown) => {
+  if (!value && isRequired) return REQUIRED_FIELD_ERROR;
+  return '';
+};
+
+const getPropValues = (stateSchema: TStateSchema, prop?: TPropValues) => {
+  return Object.keys(stateSchema).reduce((field, key) => {
+    field[key] = isBool(prop)
+      ? prop
+      : stateSchema[key][prop as Exclude<TPropValues, boolean>];
+
+    return field;
+  }, {} as TKeyValue);
+};
+
+export {
+  isObject,
+  isRequired,
+  getPropValues,
+  VALUE,
+  ERROR,
+  REQUIRED_FIELD_ERROR,
+};
diff --git a/hotel-management/src/helpers/validators.ts b/hotel-management/src/helpers/validators.ts
new file mode 100644
index 0000000..4157039
--- /dev/null
+++ b/hotel-management/src/helpers/validators.ts
@@ -0,0 +1,17 @@
+const isValidString = (value: string): boolean => {
+  return /^[a-zA-Z]{4,}(?: [a-zA-Z]+){0,2}$/gm.test(value);
+};
+
+const isValidNumber = (value: string): boolean => {
+  return /^[0-9]*$/.test(value);
+};
+
+const isValidPhoneNumber = (value: string): boolean => {
+  return /(84|0[3|5|7|8|9])+([0-9]{8})\b/g.test(value);
+};
+
+const isValidAddress = (value: string): boolean => {
+  return value.trim().length >= 10;
+};
+
+export { isValidString, isValidNumber, isValidPhoneNumber, isValidAddress };
diff --git a/hotel-management/src/styles/abstracts/variables.css b/hotel-management/src/styles/abstracts/variables.css
index 98c2c74..6bf698c 100644
--- a/hotel-management/src/styles/abstracts/variables.css
+++ b/hotel-management/src/styles/abstracts/variables.css
@@ -1,10 +1,17 @@
 :root {
   --primary-color: #0010ba;
+
   --header-table-color: #ebebeb;
   --border-color: #8c8c8c;
+
+  --secondary-btn-color: #d1d1d1;
+  --disabled-btn-color: #7f82a6;
+
   --hover-background-color: #f3f4f6;
+
   --light-text: #fff;
   --dark-text: #787878;
+  --error-text: #ff3d3d;
 
   --radius-sm: 5px;
   --radius-md: 10px;
@@ -15,4 +22,5 @@
   --fs-lg: 40px;
   --fs-sm: 18px;
   --fs-sm-x: 16px;
+  --fs-sm-2x: 12px;
 }