body {
  font-family: Arial;
  margin: 0;
  background: #f1f5f9;
}

header {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  background: #1e293b;
  color: white;
}

.cards {
  display: flex;
  gap: 20px;
  padding: 20px;
  flex-wrap: wrap;
}

.card {
  flex: 1;
  min-width: 150px;
  background: white;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  font-weight: bold;
}

.chart-container {
  display: flex;
  gap: 20px;
  padding: 20px;
  flex-wrap: wrap;
}

.chart-box {
  flex: 1;
  background: white;
  padding: 20px;
  border-radius: 10px;
}

canvas {
  max-width: 100%;
  height: 300px !important;
}

.transactions {
  margin: 20px;
  background: white;
  padding: 20px;
  border-radius: 10px;
}

input, select {
  padding: 10px;
  margin: 5px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 10px;
  border-bottom: 1px solid #ddd;
  text-align: center;
}

button {
  padding: 6px 10px;
  background: green;
  color: white;
  border: none;
  border-radius: 5px;
}

.insights {
  margin: 20px;
  background: white;
  padding: 20px;
  border-radius: 10px;
}

/* Form */
#formBox {
  display: none;
  margin-top: 10px;
}

/* Dark Mode */
.dark {
  background: #0f172a;
  color: white;
}

.dark .card,
.dark .chart-box,
.dark .transactions,
.dark .insights {
  background: #1e293b;
  color: white;
}