* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: #f2f5f9;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 90%;
  max-width: 1200px;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #333;
}

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

.form-section {
  flex: 1;
  background: #f8f9fa;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.form-section h2 {
  margin-bottom: 10px;
  color: #444;
}

input, select {
  width: 100%;
  margin-bottom: 10px;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.forms-container button {
  width: 30%;
  margin: 1rem 11rem;
  text-align: center;
  align-self: center;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  background: darkslateblue;
  color: white;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

.table-container {
  margin-top: 30px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  min-width: 600px;
}

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

th {
  background: #4e9cee;
  color: white;
}

.category-label {
  padding: 2px 6px;
  border-radius: 4px;
  color: #fff;
  font-size: 0.9em;
}

.income-label {
  background: #28a745;
}

.expense-label {
  background: #dc3545;
}

.delete-btn {
  background: #dc3545;
  color: white;
  border: none;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
}

.delete-btn:hover {
  background: #c82333;
}

.filters {
  display: flex;
  gap: 20px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.filter-group label {
  font-weight: bold;
  margin-bottom: 5px;
  display: block;
}

.filter-group select {
  padding: 8px;
  border-radius: 5px;
  border: 1px solid #ccc;
}
.table-container h2{
    text-align: center;
}
.summary-cards {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.card {
  flex: 1;
  background: #f8f9fa;
  padding: 15px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.income-card {
  border-top: 5px solid #28a745;
}

.expense-card {
  border-top: 5px solid #dc3545;
}

.balance-card {
  border-top: 5px solid #007bff;
}

.card h3 {
  margin-bottom: 10px;
  color: #333;
}

.card p {
  font-size: 1.5rem;
  font-weight: bold;
  color: #555;
}

@media (max-width: 768px) {
  .summary-cards {
    flex-direction: column;
  }
  .forms-container {
    flex-direction: column;
  }
  .summary-cards {
    flex-direction: column;
  }
  .forms-container button {
    width: 100%;
    margin: 10px 0;
  }
}

td[colspan="6"] {
  background: #f8f9fa;
  font-style: italic;
}
.chart-container {
  margin-top: 10px;
  max-width: 400px;
  max-height: 600px;
  margin-left: auto;
  margin-right: auto;
  background: #f8f9fa;
  border-radius: 12px;
  padding: 2px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}
.chart-container h2 {
  text-align: center;
  margin-bottom: 5px;
  color: #444;
}
#expenseChart {
  width: 100% !important;  
  height: auto !important;
}