/* ===== Sidebar ===== */
.sidenav {
  height: 100%;
  width: 220px;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #111;
  overflow-x: hidden;
  padding-top: 20px;
}

.sidenav h2 {
  color: white;
  text-align: center;
  font-family: Arial, sans-serif;
  margin-bottom: 20px;
}

.sidenav a, .sidenav .dropdown-btn {
  padding: 10px 20px;
  text-decoration: none;
  font-size: 16px;
  color: white;
  display: block;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  outline: none;
}

.sidenav a:hover, .sidenav .dropdown-btn:hover {
  background-color: #575757;
}

.dropdown-container {
  display: none;
  background-color: #262626;
  padding-left: 15px;
}

/* ===== Topnav ===== */
.topnav {
  position: fixed;
  top: 0;
  left: 220px;
  right: 0;
  height: 50px;
  background-color: #333;
  z-index: 2;
  display: flex;
  align-items: center;
  padding: 0 20px;
}

.topnav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

.topnav a:hover {
  text-decoration: underline;
}

/* ===== Main Content ===== */
.main {
  margin-left: 220px;
  padding: 70px 20px 20px 20px; /* top padding accounts for fixed topnav */
  font-family: Arial, sans-serif;
}

/* ===== Dashboard Cards ===== */
.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 150px;
  height: 150px;
  background-color: #f1f1f1;
  border-radius: 15px;
  text-align: center;
  font-size: 24px;
  text-decoration: none;
  color: black;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.2s, background-color 0.2s;
}

.card span {
  margin-top: 10px;
  font-size: 16px;
}

.card:hover {
  transform: translateY(-5px);
  background-color: #ddd;
}

/* ===== Responsive ===== */
@media screen and (max-width: 768px) {
  .sidenav {
    width: 100%;
    height: auto;
    position: relative;
  }
  .main {
    margin-left: 0;
    padding-top: 100px;
  }
  .topnav {
    left: 0;
  }
}