@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600&display=swap');

:root {
   --blue: #2980b9;
   --red: tomato;
   --orange: orange;
   --black: #333;
   --white: #fff;
   --bg-color: #eee;
   --dark-bg: rgba(0,0,0,0.7);
   --box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.1);
   --border: 0.1rem solid #999;
}

* {
   font-family: 'Poppins', sans-serif;
   margin: 0;
   padding: 0;
   box-sizing: border-box;
   outline: none;
   border: none;
   text-decoration: none;
   text-transform: capitalize;
}

html {
   font-size: 62.5%;
   overflow-x: hidden;
}

.container {
   max-width: 1200px;
   margin: 0 auto;
   color: #F7DA7F;
}

section {
   padding: 2rem;
}

.heading {
   text-align: center;
   font-size: 3.5rem;
   text-transform: uppercase;
   color: var(--black);
   margin-bottom: 2rem;
}

.btn,
.option-btn,
.delete-btn {
   display: block;
   width: 100%;
   text-align: center;
   background-color: var(--blue);
   color: var(--white);
   font-size: 1.7rem;
   padding: 1.2rem 3rem;
   border-radius: 0.5rem;
   cursor: pointer;
   margin-top: 1rem;
   transition: background-color 0.3s ease;
}

.btn:hover,
.option-btn:hover,
.delete-btn:hover {
   background-color: var(--black);
}

.option-btn {
   background-color: var(--orange);
}

.delete-btn {
   margin-top: 0;
   background-color: var(--red);
}

.option-btn i,
.delete-btn i {
   padding-right: 0.5rem;
}

.message {
   position: sticky;
   top: 0;
   left: 0;
   z-index: 10000;
   border-radius: 0.5rem;
   background-color: var(--white);
   padding: 1.5rem 2rem;
   margin: 0 auto;
   max-width: 1200px;
   display: flex;
   align-items: center;
   justify-content: space-between;
   gap: 1.5rem;
}

.message span {
   font-size: 2rem;
   color: var(--black);
}

.message i {
   font-size: 2.5rem;
   color: var(--black);
   cursor: pointer;
}

.message i:hover {
   color: var(--red);
}

/* Header */
.header {
   background-color: var(--blue);
   position: sticky;
   top: 0;
   left: 0;
   z-index: 1000;
}

.header .flex {
   display: flex;
   align-items: center;
   padding: 1.5rem 2rem;
   max-width: 1200px;
   margin: 0 auto;
}

.header .flex .logo {
   margin-right: auto;
   font-size: 2.5rem;
   color: var(--white);
}

.header .flex .navbar a,
.header .flex .cart {
   margin-left: 2rem;
   font-size: 2rem;
   color: var(--white);
   transition: color 0.2s ease;
}

.header .flex .navbar a:hover,
.header .flex .cart:hover {
   color: yellow;
}

.header .flex .cart span {
   padding: 0.1rem 0.5rem;
   border-radius: 0.5rem;
   background-color: var(--white);
   color: var(--blue);
   font-size: 2rem;
}

#menu-btn {
   margin-left: 2rem;
   font-size: 3rem;
   cursor: pointer;
   color: var(--white);
   display: none;
   transition: 0.2s linear;
}

#menu-btn.fa-times {
   transform: rotate(180deg);
}

/* Forms, Tables, Products, Cart etc. follow original code with spacing and indentation */

...
/* (Rest of your styles remain unchanged - you can keep those) */
...

/* Scrollbar (Webkit-based only) */
.order-message-container::-webkit-scrollbar {
   width: 1rem;
}
.order-message-container::-webkit-scrollbar-track {
   background-color: var(--dark-bg);
}
.order-message-container::-webkit-scrollbar-thumb {
   background-color: var(--blue);
}

/* Media Queries */
@media (max-width: 1200px) {
   .shopping-cart {
      overflow-x: auto;
   }

   .shopping-cart table {
      width: 120rem;
   }

   .shopping-cart .heading,
   .shopping-cart .checkout-btn {
      text-align: left;
   }
}

@media (max-width: 991px) {
   html {
      font-size: 55%;
   }
}

@media (max-width: 768px) {
   #menu-btn {
      display: inline-block;
   }

   .header .flex .navbar {
      position: absolute;
      top: 99%;
      left: 0;
      right: 0;
      background-color: var(--blue);
      clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
      transition: 0.2s linear;
   }

   .header .flex .navbar.active {
      clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
   }

   .header .flex .navbar a {
      margin: 2rem;
      display: block;
      text-align: center;
      font-size: 2.5rem;
   }

   .display-product-table {
      overflow-x: auto;
   }

   .display-product-table table {
      width: 90rem;
   }
}

@media (max-width: 450px) {
   html {
      font-size: 50%;
   }

   .heading {
      font-size: 3rem;
   }

   .products .box-container {
      grid-template-columns: 1fr;
   }
}