body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: #f4f7fa;
  color: #333;
}
.topbar {
  background: #0d6efd;
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar .logo {
  font-size: 20px;
  font-weight: bold;
}
.topbar .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar button {
  background: white;
  color: #0d6efd;
  border: none;
  padding: 6px 12px;
  border-radius: 5px;
  cursor: pointer;
}
.container {
  padding: 30px 20px;
  max-width: 1200px;
  margin: auto;
}
.cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 30px;
  justify-content: space-between;
}
.card {
  flex: 1;
  min-width: 250px;
  background: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  font-size: 18px;
  font-weight: bold;
}
.actions {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
}
.actions button {
  padding: 12px 16px;
  border: none;
  border-radius: 6px;
  background: #0d6efd;
  color: white;
  font-size: 16px;
  cursor: pointer;
}
.grafico {
  margin-bottom: 30px;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
input[type="text"] {
  width: 100%;
  padding: 12px;
  margin: 15px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 16px;
}
table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  border-radius: 6px;
  overflow: hidden;
}
th, td {
  border: 1px solid #eee;
  padding: 10px;
  font-size: 14px;
}
th {
  background: #f1f1f1;
  text-align: left;
}
@media (max-width: 768px) {
  .cards {
    flex-direction: column;
  }
  .actions {
    flex-direction: column;
  }
}