/* Сброс + переменные */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --caramel: #D4A373;
  --caramel-light: #E0B986;
  --chocolate: #3A2A23;
}
body {
  font-family: 'Georgia', serif;
  color: var(--chocolate);
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
}
/* Контейнер */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.cart-message {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  padding: 15px 25px;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 10000;
  text-align: center;
  min-width: 250px;
}

/* Состояния */
.cart-message.show {
  opacity: 1;
  visibility: visible;
}

.cart-message.success {
  background: #4CAF50; /* зелёный */
}

.cart-message.error {
  background: #f44336; /* красный */
}