body, html {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', Arial, sans-serif;
  background-color: #e0f7fa;
  color: #000;
  transition: background 0.3s, color 0.3s;
}
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background-color: #006d77; 
  color: white;
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 1000;
  transition: background 0.3s;
}
.logo {
  height: 60px;
  margin-right: 20px;
}
.topcenter {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  line-height: 1.2;
}
.title {
  margin: 0;
  font-size: 35px;
  font-weight: bold;
  color: #e63946; 
}
.tagline {
  margin: 0;
  font-size: 14px;
  color: #edf6f9; 
}
.topthings {
  margin-left: auto;
  display: flex;
  gap: 10px;
  align-items: center;
}
.topthings select, .topthings button, .topthings input {
  padding: 5px 10px;
  border: none;
  border-radius: 5px;
  transition: background 0.3s, color 0.3s;
}
.topthings input {
  width: 160px;
}
aside {
  position: fixed;
  top: 100px;
  left: 0;
  width: 20%;
  bottom: 40px;
  background-color: #83c5be; 
  padding: 15px;
  overflow-y: auto;
  box-sizing: border-box;
  border-right: 2px solid #ccc;
  transition: background 0.3s, color 0.3s;
}
aside h2 {
  margin-top: 0;
}
#cartTable {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 14px;
}
#cartTable th, #cartTable td {
  border: 1px solid #ccc;
  padding: 6px;
  text-align: center;
}
#cartTable tr:nth-child(even) {
  background-color: #f2f2f2;
}
#grandTotal {
  margin-top: 10px;
  font-weight: bold;
}
#clearCart {
  margin-top: 10px;
  padding: 6px 10px;
  background-color: #e63946;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s;
}
#clearCart:hover {
  background-color: #d62828;
}
main {
  margin-top: 110px;
  margin-left: 20%;
  padding: 20px;
  box-sizing: border-box;
  transition: background 0.3s, color 0.3s;
}
.products {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}
.card {
  position: relative;
  background-color: #f9f9f9;
  border-radius: 10px;
  width: 30%;
  padding: 15px;
  text-align: center;
  box-sizing: border-box;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s, color 0.3s;
  border: 1px solid #ddd;
}
.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 5px;
}
.card:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}
.card .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.6);
  color: #fff;
  padding: 10px;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover .overlay {
  opacity: 1;
}
button.add-to-cart {
  margin-top: 10px;
  padding: 8px 12px;
  background-color: #006d77;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.2s;
}
button.add-to-cart:hover {
  background-color: #e67e22;
  transform: scale(1.05);
}
button.add-to-cart:active {
  background-color: red;
  transition: background-color 0.3s;
}
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background-color: #2c3e50; 
  color: white;
  text-align: center;
  line-height: 40px;
  transition: background 0.3s;
}
/* Dark mode */
.dark-mode {
  background-color: #121212;
  color: #f5f5f5;
}
.dark-mode header {
  background-color: #1a1a1a;
}
.dark-mode aside {
  background-color: #1e1e1e;
  color: #f5f5f5;
  border-right: 2px solid #333;
}
.dark-mode #cartTable th, 
.dark-mode #cartTable td {
  border: 1px solid #444;
}
.dark-mode #cartTable tr:nth-child(even) {
  background-color: #2c2c2c;
}
.dark-mode main {
  background-color: #181818;
  color: #f5f5f5;
}
.dark-mode .card {
  background-color: #2c2c2c;
  color: #fff;
  border: 1px solid #444;
}
.dark-mode .overlay {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.dark-mode button.add-to-cart {
  background-color: #e67e22;
}
.dark-mode button.add-to-cart:hover {
  background-color: #ff8800;
}
.dark-mode #clearCart {
  background-color: #e63946;
}
.dark-mode #clearCart:hover {
  background-color: #ff4d6d;
}
.dark-mode footer {
  background-color: #000;
}
.dark-mode .title {
  color: #e63946; /* Keep red title in dark mode */
}
.dark-mode .tagline {
  color: #ccc; /* Softer gray tagline */
}