.roi-calculator-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
}

.roi-calculator-wrapper h1 {
  font-size: 2em;
  margin-bottom: 30px;
  text-align: center;
}

.general-inputs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.general-inputs label {
  display: flex;
  flex-direction: column;
  font-size: 16px;
}

.input-text {
  padding: 10px;
  font-size: 16px;
  width: 180px;
  border: 1px solid #ccc;
  border-radius: 6px;
  transition: border-color 0.3s;
}

.input-text:focus {
  border-color: #1e9e9e;
  outline: none;
}

.traffic-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.traffic-column {
  padding: 20px;
  border: 1px solid #eaeaea;
  border-radius: 10px;
  background-color: #fafafa;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.traffic-column h3 {
  font-size: 18px;
  margin-bottom: 15px;
  text-align: center;
  color: #1e9e9e;
}

.traffic-column label {
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
  font-size: 14px;
}

.traffic-column p {
  font-size: 15px;
  margin: 6px 0;
}

.traffic-column span {
  font-weight: bold;
}

.chart-wrapper {
  margin-top: 40px;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.toggle-currency {
  text-align: center;
  margin-top: 30px;
}

.toggle-currency span {
  font-size: 18px;
  cursor: pointer;
  padding: 8px 15px;
  margin: 0 10px;
  border-radius: 6px;
  background-color: #e0e0e0;
  transition: all 0.3s;
  display: inline-block;
}

.toggle-currency span.active {
  background-color: #1e9e9e;
  color: #fff;
}

@media (max-width: 768px) {
  .general-inputs {
    flex-direction: column;
    align-items: center;
  }
}