* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  margin: 0;
  background-color: #f5f5f5;
  display: flex;
  height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 220px;
  background-color: #2c3e50;
  color: white;
  padding: 20px;
}

.sidebar h2 {
  margin-top: 0;
  font-size: 24px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.sidebar ul li {
  margin-bottom: 15px;
}

.sidebar ul li a {
  color: white;
  text-decoration: none;
}

/* Main content */
.main {
  flex: 1;
  padding: 30px;
}

.main h1 {
  margin-top: 0;
  font-size: 28px;
}

.cards {
  display: flex;
  gap: 20px;
  margin: 20px 0;
}

.card {
  flex: 1;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.card h3 {
  margin-top: 0;
  font-size: 16px;
  color: #555;
}

.card p {
  font-size: 24px;
  font-weight: bold;
  margin: 10px 0 0;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  margin-top: 10px;
}

th, td {
  padding: 12px;
  border-bottom: 1px solid #ddd;
  text-align: left;
}

th {
  background-color: #f0f3f5;
}