body {
  font-family: Tahoma, sans-serif;
  background: #f4f6f9;
  margin: 0;
  padding: 30px;
}
.container {
  max-width: 1200px;
  margin: auto;
  background: #fff;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
h1 {
  font-size: 20px;
  color: #333;
  margin-bottom: 20px;
  border-bottom: 2px solid #3b82f6;
  padding-bottom: 10px;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}
th, td {
  border: 1px solid #e5e7eb;
  padding: 12px 10px;
  text-align: right;
  font-size: 13px;
}
th {
  background: #f9fafb;
  color: #4b5563;
}
.status-paid {
  color: #047857;
  font-weight: bold;
}
.status-pending {
  color: #d97706;
}
.status-failed {
  color: #dc2626;
}