/* Dark theme matching anonib.pro style */
body {
  background-color: #121212;
  color: #f5f5f5;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
}

.calculator-container {
  max-width: 650px;
  margin: auto;
  background: #1e1e1e;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(0,0,0,0.6);
}

h1 {
  text-align: center;
  color: #ff9800;
}

.flow-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.flow-row label {
  margin-right: 10px;
  flex: 0 0 80px;
}

.cashflow-input {
  flex: 1;
  padding: 6px;
  border-radius: 6px;
  border: 1px solid #444;
  background: #2a2a2a;
  color: #fff;
}

.discount-rate {
  margin: 15px 0;
  display: flex;
  justify-content: space-between;
}

.discount-rate input {
  flex: 1;
  margin-left: 10px;
  padding: 6px;
  border-radius: 6px;
  border: 1px solid #444;
  background: #2a2a2a;
  color: #fff;
}

.buttons {
  display: flex;
  justify-content: space-between;
  margin: 15px 0;
}

button {
  background: #ff9800;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  color: #121212;
  transition: 0.3s;
}

button:hover {
  background: #e68900;
}

.calc-btn {
  width: 100%;
  margin-top: 10px;
}

#result {
  margin-top: 20px;
  font-size: 18px;
  text-align: center;
}