body {
  font-family: Arial, sans-serif;
  background-color: #121212;
  color: #f1f1f1;
  display: flex;
  justify-content: center;
  padding: 20px;
}

.container {
  max-width: 1100px;
  width: 100%;
  background: #1e1e1e;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0px 4px 10px rgba(0,0,0,0.5);
}

h1, h2 {
  text-align: center;
  color: #fff;
}

.content {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

/* Left column (forms) */
.forms {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.budget-cards {
  flex: 2;
  background: #2a2a2a;
  padding: 15px;
  border-radius: 10px;
  overflow-y: auto;
  max-height: 80vh;
}

.section {
  padding: 15px;
  background: #2a2a2a;
  border-radius: 10px;
}

input, select, button {
  padding: 10px;
  margin: 5px 0;
  width: 100%;
  border-radius: 8px;
  border: none;
  outline: none;
  font-size: 14px;
}

button {
  background: #444;
  color: #fff;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #666;
}

.category {
  padding: 10px;
  margin-bottom: 10px;
  background: #333;
  border-radius: 8px;
}

.category h3 {
  margin: 0;
}

.warning {
  color: red;
  font-weight: bold;
}