* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  padding-top: 60px;
  padding-left: 200px;
  padding-bottom: 40px;
}

/* Top Bar */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: #333;
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 999;
  justify-content: space-between;
}

.logo {
  font-size: 24px;
  font-weight: bold;
}

.top-menu {
  list-style: none;
  display: flex;
  gap: 20px;
}

.top-menu li a {
  color: white;
  text-decoration: none;
  padding: 10px;
  transition: background 0.3s;
}

.top-menu li a:hover {
  background-color: #555;
  border-radius: 4px;
}

/* Left Bar */
.left-bar {
  position: fixed;
  top: 60px;
  left: 0;
  width: 200px;
  height: calc(100% - 100px);
  background-color: #222;
  padding-top: 20px;
}

.side-menu {
  list-style: none;
}

.side-menu li {
  margin: 10px 0;
}

.side-menu li a {
  color: #ccc;
  text-decoration: none;
  display: block;
  padding: 10px 20px;
  transition: background 0.3s;
}

.side-menu li a:hover {
  background-color: #444;
  color: #fff;
}

/* Content */
.content {
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.product-card {
  background-color: #f5f5f5;
  border: 1px solid #ddd;
  border-radius: 8px;
  width: 200px;
  padding: 10px;
  text-align: center;
  transition: transform 0.3s;
}

.product-card:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.product-card img {
  max-width: 100%;
  border-radius: 4px;
}

/* Bottom Bar */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background-color: #333;
  color: white;
  text-align: center;
  line-height: 40px;
}