body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  display: flex;
  background: #f8f9fa;
}
.sidebar {
  width: 220px;
  background: #ffffff;
  padding: 20px;
  border-left: 1px solid #ddd;
  height: 100vh;
}
.logo {
  font-weight: bold;
  font-size: 22px;
  margin-bottom: 30px;
}
.nav {
  list-style: none;
  padding: 0;
}
.nav li {
  margin-bottom: 10px;
}
.nav a {
  text-decoration: none;
  color: #333;
  padding: 8px 12px;
  display: block;
  border-radius: 6px;
}
.nav a:hover {
  background: #f0f0f0;
}
.logout {
  position: absolute;
  bottom: 20px;
}
.main-content {
  flex: 1;
  padding: 40px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  text-align: center;
}
.orders-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}
.orders-table th, .orders-table td {
  padding: 12px;
  text-align: center;
  border: 1px solid #ddd;
  background: #fff;
}
.orders-table th {
  background: #f1f1f1;
}